Search Results — 2000 specimen records retrieved (1896 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-BC73600  Abies concolor H. E. McMinn 1925-7-2 1497 Riverside Tahquitz Trail - San Jacinto Mts. Comment
  UC34  Abies concolor H. M. Hall 1901-8-1 2584 Riverside Tamarack Valley San Jacinto Mountains Comment
  UCR64827  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 08 Riverside Santa Rosa Mtns., Stump Spring Campground 2348 Comment
  SEINET10719539  Abies concolor var. lowiana Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 18 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  CAS-BOT-BC229316  Abronia villosa Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC229340  Abronia villosa Peter H. Raven 1958-1-23 11426 Riverside Fringing United States Highway 99, 6.5 miles north-west of Indio Comment
  CAS-BOT-BC229342  Abronia villosa Scott D. White 1996-4-14 3913 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  RSA461030  Abronia villosa Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  SEINET893717  Abronia villosa Norman C. Cooper 1944-1 1104 Riverside Cabazon. 457 Comment
  UC1392988  Abronia villosa R. F. Hoover 1969-4-14 11232 Riverside Just s of s city limit; Palm Springs Comment
  UCD109820  Abronia villosa Geoffrey Levin 1975-4-5 461 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  RSA461202  Abronia villosa var. aurita P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA652387  Abronia villosa var. aurita J. Bruce Smiley 1940-3-16 s.n. Riverside Mouth of White water 610 Comment
  RSA773658  Abronia villosa var. aurita Duncan S. Bell, Joy England 2010-10-5 1977 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  RSA782341  Abronia villosa var. aurita Jim Andre, G. L. Clifton 2011-2-22 17473 Riverside Coachella Valley; N Palm Springs approx. 0.3 mile north of Hwy. 111, vacant lot at corner of San Rafael and Virginia Street. 189 Comment
  SD60431  Abronia villosa var. aurita Reid Moran 1964-7-27 11868 Riverside Canyon of Santa Margarita River 2.5 miles southsouthwest of Temecula. 199 Comment
  UCR35205  Abronia villosa var. pinetorum L. B. Ziegler 1966-8-25 80 Riverside San Jacinto Mtns., Hemet (Thomas/Garner) Valley 1402 Comment
  RSA343356  Abronia villosa var. villosa F. R. Fosberg, M. H. Sachet 1983-4-23 64173 Riverside Whitewater Bridge. Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  CAS-BOT-BC30905  Acamptopappus sphaerocephalus Frank W. Peirson 1927-4-11 7154 Riverside Colorado Desert, 0.5 mile below Whitewater Bridge Comment
  JOTR34399  Acamptopappus sphaerocephalus var. sphaerocephalus Andre, Jim 2012-4-16 20933 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA557901  Achillea millefolium Steve Boyd, Orlando Mistretta 1992-4-22 7014 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
  RSA771661  Achnatherum coronatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4909 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
  POM365988  Achnatherum hymenoides Christopher Davidson, B. Gustafson 1977-4-7 5590 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  RSA651613  Achnatherum hymenoides D. L. Heald 1966-5-16 53 Riverside Off the road behind Webber Hall at UCR in Riverside. 304 Comment
  SEINET258477  Achnatherum occidentale subsp. pubescens M. Curto, L Allen 1990-6-25 686 Riverside Sante Rosa Mts Toro Peak N slope Santa Rosa Mt Rd ca 2.5 km E of Toro Campground 2435 Comment
  SD134541  Achyrachaena mollis Craig Reiser 1989-4-4 Riverside Southern flank of Amberhill [Alberhill] in western part of county Comment
Read comments
Jul 11 2010
  UCR80730  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  CAS-BOT-BC384736  Achyronychia cooperi Ira L. Wiggins 1941-3-24 9565 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio Comment
  CDA23994  Achyronychia cooperi G. D. Barbe, T. C. Fuller 1973-2-28 1062 Riverside Road to Wiley s Well at I-10, west of Blythe. 0 Comment
  OBI8298  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12056 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 213 Comment
  POM7896  Achyronychia cooperi P. A. Munz 1920-4-4 3527 Riverside Pass South of Palm Springs. Comment
  RSA747796  Achyronychia cooperi Justin M. Wood 2009-3-26 394 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  SD255718  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512 12 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  RSA0120317  Acmispon maritimus var. brevivexillus Duncan S. Bell, Thomas Stoughton 2016-3-16 8954 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA0123348  Acmispon rigidus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9007 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
  UCSB45964  Acmispon rigidus Roos, John 1966-2-12 Riverside Chuckwalla Mtns., 2 1/2 miles SE of Desert Center Comment
  SBBG37495  Acmispon strigosus R. N. Muller 1967-5-5 31 Riverside UC Riverside campus, next to rd outside of SW corner of UCR Botanic Garden Comment
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 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
  SBBG65794  Adenophyllum porophylloides Anstruther Davidson, S. B. Parish 1898-1 Riverside Palm Springs Comment
  SD73614  Adenophyllum porophylloides Helen V. Witham 1970-4-29 822 Riverside Highway 74, 20 miles east of Lake Hemet. 1299 Comment
  UCR16482  Adenostoma fasciculatum K. T. Seng 1966-4-13 660413- 5 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 Comment
  RSA234084  Adenostoma fasciculatum var. fasciculatum Robert F. Thorne, E. W. Lathrop 1969-6-6 39326 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  CAS-BOT-BC139859  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA297387  Adenostoma sparsifolium Larry E. DeBuhr 1972-3-24 532 Riverside Santa Rosa Mountain, on forest road 7S02; abundant at lower elevations. 1646 Comment
  UCD112519  Adenostoma sparsifolium Richard Bates 1949-5-21 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR245794  Adenostoma sparsifolium A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40956 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  RSA0125179  Adiantum capillus-veneris Duncan S. Bell 2016-10-27 10208 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA585792  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-5-9 419 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  UC455165  Agrostis idahoensis I. J. Condit 1910-6-23 Riverside near spring (Tahquitz Camp); San Jacinto Mts., Tahquitz Camp 2438 Comment
  UCR24967  Agrostis scabra A. C. Sanders 1980-7-22 1699 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA450097  Alchemilla occidentalis J. C. Roos 1950-4-22 4751 Riverside On the hills N.E. of the summit of Reche Canyon. 823 Comment
  RSA23240  Aliciella latifolia Ernest Braunton 1940-03 2045 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA71926  Aliciella latifolia F. W. Peirson 1927-4-12 7168 Riverside Painted canyon, near Mecca. Comment
  JOTR35090  Aliciella latifolia subsp. latifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3541 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA709867  Allionia incarnata Scott D. White, Jennifer H. Jones 2005-4-21 10942 Riverside Eastern Coachella Valley. Bajada beneth Mecca Hills, just east of Coachella Canal. Proposed for expanded gravel mining. 24 Comment
  RSA763987  Allionia incarnata Justin M. Wood, D. M. Ray 2010-10-21 2992 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR89697  Allionia incarnata J. M. Stewart 1990-10-28 665 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  RSA0048455  Allionia incarnata A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mountains. 640 Comment
  OBI18921  Allium haematochiton David J. Keil, Malcolm McLeod 1979-3-18 12972 Riverside Alberthill Jctn along hwy 71 366 Comment
  UCR205451  Allium marvinii Diane Menuz 2008-5-16 447 Riverside Peninsular Ranges: San Jacinto Mts foothills, 3.5 miles SE of Beaumont, c. 300 meters from Highland Springs Rd. near entrance to Potrero 728 Comment
  UCR78048  Allium munzii Scott D. White 1993-4-22 1255 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM184740  Allium parishii C. L. Hitchcock 1932-4-9 12226 Riverside White Tanks, Joshua Tree National Monument, East Riverside Comment
  SEINET3878623  Allium peninsulare Steve Boyd, Timothy S. Ross 1991-5-2 6090 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain 3 mi N Hwy 79, 1 mi W of Hwy 371, N Aguanga.; 0 600 Comment
  UCR104619  Allium peninsulare D. E. Bramlet 1997-4-4 2510 A Riverside Tributary to Dawson Canyon, 854 m east of the El Sobrnte landfill and 610 m north of Dawson Canyon. 45 m south of the jeep trail that crosses this triutary. 365 Comment
  UCR77688  Allium peninsulare Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  UCR225217  Allium peninsulare var. peninsulare T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5160 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
  SBBG128719  Allium triquetrum O. F. Clarke 2010-2-20 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  UCR240638  Allophyllum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 435 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR201633  Allophyllum divaricatum Scott D. White, Justin M. Wood 2008-6-18 12205 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 Comment
  RSA411101  Allophyllum glutinosum N. C. Cooper 1944-6-17 1407 Riverside San Jacinto Mountain. West side. 1372 Comment
  POM47185  Alnus rhombifolia P. A. Munz, I. M. Johnston 1924-7-26 8723 Riverside Along Creek at Beckers. 1372 Comment
Read comments
May 30 2011
  UC1199819  Alnus rhombifolia Herbert L. Mason 1928-3-10 4174 Riverside Snow Creek-White Water River Valley Colorado Desert Comment
  UCR263410  Alternanthera caracasana Oscar Avila 2015-8-6 s.n. Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux 228 Comment
  UCR89979  Amaranthus albus Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SD146066  Amaranthus arenicola T. B. Salvato, A. C. Sanders 2000-4-27 60 Riverside Coachella Valley; between Filmore and Buchanan on Avenue 56. 11 Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  CLARK-A1528-5235  Amaranthus retroflexus John C. Roos 1937-8-17 2406 Riverside San Jacinto Comment
  UCR110395  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  POM41494  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA696749  Ambrosia dumosa J. Russell Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  UCR148486  Ambrosia dumosa John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  SEINET10882134  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2041 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SEINET238529 Image available Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains: Jurupa Mountains Cultural Center 1/4 mile SE of peak 1411. 290 Comment
  CAS-BOT-BC273003  Ambrosia salsola Roxana S. Ferris 1918-6-17 1001 Riverside 5 miles east of Gruendikes Well, on Mecca - Blythe Rd. Comment
  HSC66729  Ambrosia salsola D. L. Goforth, D. Reed 1980-3-25 359 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  RSA739851  Ambrosia salsola J. L. Strother 2008-3-10 1370 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  SEINET10797875  Ambrosia salsola David B. Dunn 1947-3-16 Dunn 2920 Riverside Found 1/2 mile west of Cabayon in Banning Pass. Comment
  SEINET10797876  Ambrosia salsola David B. Dunn, Howard Brown 1947-2-9 Dunn 2853 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  RSA0035509  Ambrosia salsola var. pentalepis Deidre Conocchioli, Duncan S. Bell 2014-3-18 261 Riverside In the Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of the Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  SBBG119933  Ambrosia salsola var. salsola C. McGaugh 2004-2-25 Riverside northern Palm Springs, near the Whitewater Channel; T3S R4E S35 SE/4 of SE/4 171 Comment
  CAS-BOT-BC177259  Amorpha fruticosa Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  RSA499971  Amsinckia intermedia M. V. Hood 1945-3-25 s.n. Riverside Aguanga. Comment
  SD124728  Amsinckia intermedia A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6050 Riverside Chuckwalla Bench, south side of the Chuckwalla Mountains, on the Bradshaw Road, ca. 2 miles east of the gasline road 640 Comment
  SEINET7073392  Amsinckia intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC56849 Image available Amsinckia intermedia H. M. Hall 1902-4-1 2891 Riverside vicinity Winchester; Diamond Valley; Diamond Valley, Riverside Co. 548 Comment
Read comments
Mar 20 2011
  RSA0089632  Amsinckia intermedia D. L. Banks 1997-3-1 1387 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UC511119  Amsinckia menziesii var. menziesii Lyman Benson 1932-3-26 3163 Riverside 3 mi n Temecula; San Jacinto Mountain Range 457 Comment
  POM11976  Amsonia brevifolia var. tomentosa Philip A. Munz, D. D. Keck 1922-4-9 4844 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
Read comments
May 28 2011
  UCR275486  Anagallis arvensis T. B. Salvato, Melissa Clemons 2005-6-9 1509 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR166799  Ancistrocarphus filagineus R. E. Riefner Jr. 2005-4-15 05- 200 Riverside Hemet; hills E (c. 1.5 mi) off Winchester Road and Florida Avenue (Hwy 74) 515 Comment
  RSA0000864  Antennaria speciosa H. M. Hall 1891-07 2401 Riverside San Jacinto Mts. Tamarack Valley. 2835 Comment
  RSA614388  Anthemis cotula Scott D. White 1997-5-25 5242 b Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 Comment
  UCR112317  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  SEINET9323908  Antheropeas lanosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  CDA20179  Antirrhinum coulterianum J. Chandler 2003-6-24 PDR 1261516 Riverside Southern California; across from 42525 Wildwood Ln, Aguanga. 0 Comment
  SBBG122774  Antirrhinum coulterianum A. Parikh 1990-4-27 159 Riverside W of Rawson Cyn, 1.7 km WSW of jct of Crown Valley Rd and Rawson Rd 696 Comment
  UC284974  Antirrhinum coulterianum P. A. Munz 1923-6-14 7106 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 914 Comment
Read comments
Apr 1 2013
  UCR98685  Antirrhinum coulterianum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  JEPS5315  Antirrhinum filipes Lawrence Saylor 1935-3-25 222 Riverside 25 mi s 29 Palms Comment
  UCR116075  Antirrhinum nuttallianum O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  RSA304702  Antirrhinum nuttallianum subsp. nuttallianum James R. Shevock 1970-4-25 158 Riverside Coldwater Trail 579 Comment
  RSA354917  Antirrhinum nuttallianum subsp. nuttallianum J. D. Olmsted 1962-5-10 3623 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UCR3275  Antirrhinum nuttallianum subsp. nuttallianum John Kitasako 1964-5-18 45275 Riverside Box Springs Mtns, Stone-face Canyon, side of reservoir at end of Two Trees Rd. 549 Comment
  CLARK-A1528-1418  Apiastrum angustifolium John C. Roos 1938-3-28 728 Riverside La Sierra Comment
  HSC85461  Apiastrum angustifolium Steve Boyd 1986-4-2 1585 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  JEPS29307  Apiastrum angustifolium Rimo Bacigalupi and L. Heckard 1962-3-25 8402 Riverside about 10 air mi nw of Elsinore (near Arcilla siding of the A.T. & S.F. Railway, just below and e of state hwy 71, Temescal Wash); Temescal Wash 289 Comment
  RSA501074  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3192 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  SEINET7063233  Apiastrum angustifolium A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR260558  Apiastrum angustifolium T. B. Salvato 2015-4-2 8102 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  RSA97396  Apiastrum angustifolium F. W. Peirson 1922-5-19 5430 Riverside 5 miles northeast of Murrieta. Comment
  SEINET7882510 Image available Apiastrum angustifolium Jean Coulson 1959-1 144 Riverside San Jacinto Mts, 8.1 mi N of Pine cove on Idyllwild Banning road Comment
  RSA762734  Aquilegia formosa Patrick Garrett 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC9007  Aquilegia formosa H. M. Hall July 1901 2374 Riverside San Jacinto Mtns 1524 Comment
  UCR116427  Arabidopsis thaliana A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-1 24066 Riverside San Bernardino Valley region, Riverside, UCR campus 335 Comment
  UCR27093  Arabis repanda T. P. Krantz, K. Berg 1982-5-25 s.n. Riverside San Jacinto Mtns., south ridge of Taquitz Peak, near the trailhead 1829 Comment
  RSA619573  Arabis sparsiflora var. californica D. L. Banks 1997-5-5 1979 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  POM48870  Arceuthobium campylopodum Philip A. Munz, I. M. Johnston 1924-6-26 8705 Riverside Near Dark Canyon. 1524 Comment
  RSA629145  Arctostaphylos Jon E. Keeley 1992-7-17 16729 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA629409  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19519 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629425  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16844 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CAS-BOT-BC24914  Arctostaphylos glandulosa subsp. adamsii P. A. Munz; E. K. Balls 1952-8-21 17984 Riverside Road-Vandeventer Flat to Santa Rosa Peak. 2072 Comment
  UCR68948  Arctostaphylos glandulosa subsp. cushingiana Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CAS-BOT-BC23119  Arctostaphylos glandulosa subsp. glandulosa W. Pequenat 1940-4-13 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
Read comments
Mar 13 2018
  POM158433  Arctostaphylos glauca P. A. Munz 1927-5-21 10852 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA336405  Arctostaphylos glauca R. F. Thorne, A. Shmida, Robert Whittaker 1978-4-23 52086 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  RSA633558  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21789 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633585  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22529 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633596  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16703 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633604  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22518 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633660  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16659 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633677  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20128 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633712  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16655 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633717  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20135 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633720  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16632 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633758  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16694 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  CAS-BOT-BC44360  Arctostaphylos pringlei subsp. drupacea P. A. Munz; E. K. Balls 1952-8-21 17972 Riverside Road to Santa Rosa Mt. from Vandeventer Flat 1828 Comment
  CAS-BOT-BC44364  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-6-1 207 Riverside Saunders Meadow, San Jacinto Mts. 1706 Comment
  RSA635647  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16613 Riverside Road to Santa Rosa Mtn. (7S02), 1.5 km south of Hwy 74. 1540 Comment
  RSA748159  Arctostaphylos pringlei subsp. drupacea K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 15 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  UCD50806  Arctostaphylos pringlei var. drupacea A. E. Wieslander 1929-2-1 44 Riverside Near Strawberry Valley. 1828 Comment
  RSA635792  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16593 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA750750  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR106339  Arctostaphylos pungens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA636004  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19551 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SD152623  Arctostaphylos rainbowensis Craig Reiser 2000-8-28 Riverside ca. one mile southwest of Pechanga Reservation casino, south of creek and west of substantial tributary, on hilltop (mak 11/06) Comment
  UCR189582  Arctostaphylos rainbowensis Theresa Johnson 2007-4-19 322 Riverside Peninsular Range- Santa Ana Mountains, San Mateo Canyon. Off Tenaja Truck Trail, c. 1.5 km from Fisherman's Camp 447 Comment
  UCR273482  Arctostaphylos rainbowensis A. C. Sanders, Glen Morrison 2016-8-4 42618 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  UCR84602  Arenaria douglasii Scott D. White, S. Ogg 1994-4-21 1951 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR252009  Argemone munita A. C. Sanders, T. B. Salvato 2014-7-2 41179 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  CAS-BOT-BC401649  Argemone munita subsp. argentea Carl B. Wolf 1932-4-27 3038 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  RSA105975  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  CAS-BOT-BC207120  Argythamnia lanceolata Ivan Johnston 1917-4-4 1106 Riverside Andreas Canyon, Colorado Desert 274 Comment
  CAS-BOT-BC207122  Argythamnia lanceolata S. B. Parish 1896-4-4 4141 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 213 Comment
  RSA339663  Argythamnia serrata C. W. Tilforth 1980-5-28 54166 Riverside San Bernardino Mountains: Dry Colorado Desert slopes, S-facing and W-facing, N0S rocky rifge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On rocky ridge at S end. Comment
  UCD166278  Aristida Jack Major 1962-4-17 792 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA784780  Aristida adscensionis Duncan S. Bell 2012-3-18 3184 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR167416  Aristida adscensionis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCSB38733  Aristida adscensionis Cowan, Clark 1978-4-23 Riverside 12.1 mi S on Hwy 74 from jct with Hwy 111 at Indian Wells; Whittacker transect #W-220 Comment
  CAS-BOT-BC137654  Aristida adscensionis J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  CLARK-A1528-4465  Aristida californica John C. Roos 1937-8-22 1209 Riverside Mojave Desert Comment
  CLARK-A1528-4488  Aristida purpurea var. glauca John C. Roos 1946-9-14 3029 Riverside San Jacinto Mountains 1188 Comment
  JOTR38425  Aristida purpurea var. nealleyi Hodges, Stephen, A. Ingersoll 2015-8-26 653 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  RSA129291  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6723 Riverside Head of Deep Canyon. 1220 Comment
  UCD56560  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-22 3184 Riverside Desert Center, Rt. 60. Comment
  UCR196387  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR2173  Aristida purpurea var. purpurea F. M. Reed 1906-7-8 1129 Riverside Plains near the Salt Lake RR, West Riverside Comment
  CAS-BOT-BC90101  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Box Springs Mtns. foothills, in the yard at 266 Frost Court, just east of UCR (Riverside EAst 7.5' Q.) 396 Comment
  RSA784531  Artemisia californica J. D. Olmsted 1959-2-23 266 Riverside Drainage area NE to Santa Ana River: 1 mi SW of olive grove on Oak flat fire rd. 4 mi S of Corona on Lincoln and Chase Dr. to wash then south. 457 Comment
  SDSU12943  Artemisia californica Jutta Buschbom 1991-5-1 12 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR139637  Artemisia californica A. C. Sanders 2004-6-30 28396 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR239462  Artemisia californica Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 718 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Hwy I-10 and Rte 111 732 Comment
  IRVC490  Artemisia douglasiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 223 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  JOTR32639  Artemisia dracunculus La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2560 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  CAS-BOT-BC90767  Artemisia ludoviciana subsp. albula Philip A. Munz 1938-8-13 15335 Riverside ridge east of Santa Rosa Peak 2377 Comment
  RSA741742  Artemisia tridentata subsp. tridentata Michael Wall 2008-11-14 497 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  CLARK-A1528-1461  Asclepias albicans John C. Roos 1946-12-21 3190 Riverside Colorado Desert Comment
  UCR117684  Asclepias californica V. W. Steinmann, D. L. Banks 1997-3-13 1199 Riverside Agua Tibia Mtns., N of Hwy 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 550 Comment
  JEPS6280  Asclepias erosa W. L. Jepson May 17 1901-Jun 1 1901 1346 Riverside Palm Canyon (upper end) Mt. San Jacinto Range Comment
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Sep 15 2015
  RSA401252  Asclepias fascicularis N. C. Cooper 1949-6-24 4313 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA778425  Asclepias subulata Stephanie Rockwood, Christi Gabriel 2011-10-12 88 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
  UCR23408  Asclepias subulata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe airport 75 Comment
  RSA701412  Aspidotis californica Steve Boyd, Aydee Virgen 2004-4-13 10897 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC399493  Aspidotis californica S. B. Parish 1908-4-4 6891 Riverside hills near <Declez> ([W end of Jurupa Hills]) Comment
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Aug 14 2010
  CAS-BOT-BC423305  Asteraceae L. Nye; G. Gust 2005-3-11 68 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  CAS-BOT-BC177460  Astragalus aridus Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13229 Riverside 2.4 mi. S of Rice, on road to Midland and Blythe Comment
  CAS-BOT-BC177462  Astragalus aridus Roxana S. Ferris 1953-3-9 12599 Riverside Near junction of U.S. 60 & 70 with Desert Hot Springs road Comment
  UC700951  Astragalus aridus Aven and Ruth Nelson 1939-3-30 3343 Riverside between Mecca nd Blythe on old road between Mecca nd Blythe on old road (hiway 60) Comment
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Feb 3 2011
  CAS-BOT-BC177731  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  UC73262  Astragalus douglasii var. douglasii Miss M. A. King 1893-1 Riverside Menifee Comment
  CAS-BOT-BC178454  Astragalus douglasii var. parishii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM1998  Astragalus douglasii var. parishii H. M. Hall 1901-06 2229 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  POM274197  Astragalus douglasii var. parishii J. C. Roos 1946-9-27 2788 Riverside Santa Rosa Mtns. 2226 Comment
  POM48194  Astragalus douglasii var. parishii Mary F. Spencer 1919-6-18 1190 Riverside San Jacinto Mtns. Comment
  RSA605935  Astragalus douglasii var. parishii R. S. Woglum 1937-5-22 571 Riverside Santa Rosa Mountains. Comment
  SEINET10490024  Astragalus douglasii var. parishii Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7140 Riverside Scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild Road and hwy 74 on 74. Comment
  UC1128783  Astragalus douglasii var. parishii H. S. Yates 1936-8-29 6382 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  UCR214304  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38400 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR58471  Astragalus gambelianus Jeri Hirshberg 1989-4-3 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, west of Mesa de Burro. 610 Comment
  CAS-BOT-BC187113  Astragalus lentiginosus var. borreganus F. H. Billings 1926-2-28 2 Riverside Colorado Desert Comment
  RSA0031393  Astragalus lentiginosus var. coachellae David Fraker, Aaron Sedgwick 2012-5-8 94 Riverside South of Hwy 111 along dunes at the base of the San Jacinto Mtns. 334 Comment
  RSA0094792  Astragalus lentiginosus var. coachellae Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7933 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  RSA298236  Astragalus lentiginosus var. coachellae T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  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
  RSA800138  Astragalus palmeri Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52076 Riverside Bighorn Lookout. Comment
  CAS-BOT-BC192823  Astragalus pomonensis Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  CAS-BOT-BC194129  Astragalus pomonensis Peter H. Raven; S. R. Snow 1956-6-30 9543 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  CSUSB1296  Astragalus pomonensis Cassandra Peyton 1965-4-21 Riverside 1.5 miles west of La Sierra Ave. (Lake Matthews Dam) on Cajalco Road. 243 Comment
  RSA108534  Astragalus pomonensis P. H. Raven, Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.S. Hwy 60 on State Hwy 79 on route to Gilman Hot Springs, San Jacinto Mtns. Comment
  RSA523524  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3983 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET2060272 Image available Astragalus pomonensis Howard Scott Gentry 1954-7-26 14253 Riverside Dripping springs along Rte 79 Comment
  UCR91989  Astragalus pomonensis Michael A. Patten 1993-4-28 s.n. Riverside Murrieta, 3/4 mi. NW of California Oaks Road, 1/8 mi. NE of Interstate Hwy 15 366 Comment
  CAS-BOT-BC193173  Astragalus sabulonum Ira L. Wiggins 1938-3-19 8901 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  POM183481  Astragalus tricarinatus Joseph A. Ewan 1930-4-18 3096 Riverside Dry Morongo Creek below Morongo valley. 518 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
  JEPS30499  Atrichoseris platyphylla Donald Kyhos 1958-2-15 58 -14 Riverside Cold Springs Chuckawalla Mountains, Cold Springs Comment
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Nov 22 2011
  UCSB6734  Atrichoseris platyphylla Krogen, Roger 1957-1 Riverside 4 mi. S of jct. of Hwys 195 and 60-70, at N edge of Orocopia Mts. Comment
  UCR201824  Atriplex argentea subsp. expansa Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR59478  Atriplex argentea subsp. expansa Ed LaRue 1989-9-22 s.n. Riverside Perris area: just north of intersection of Nuevo Rd and Foothill Ave 457 Comment
  UCR213892  Atriplex argentea var. mohavensis Scott D. White 2009-8-10 13354 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  POM318799  Atriplex canescens Patricia Wilder 1971-9-29 5282 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  SD40818  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  UC7053  Atriplex canescens H. M. Hall June 1901 2003 Riverside San Jacinto Valley Comment
  RSA0089542  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3923 A Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 Comment
  SD133118  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2058 Riverside 6.6 km west of Hemet and ca. 880 meters west of intersection of Florida and Warren Streets. 500 Comment
  UCR66970  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2050 Riverside 2.3 km south of Perris, just east of Perris Valley Airport, c. 400 m east of N part of runway; c. 500 m south of Case Road. 433 Comment
  CDA23259  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 -350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Road and Temescal Wash; south ca. 1.5 miles of Blue Diamond Quarry. Comment
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  OBI17313  Atriplex hymenelytra H. E. McMinn 1937-3-6 5014 Riverside River road about 40 mi N of Blythe Comment
  SEINET4135126  Atriplex hymenelytra Howard C. Stutz 1988-1-6 94549 Riverside 12 mi. N of Desert Center.; 0 Comment
  RSA0039846  Atriplex lentiformis Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC in Outer West Spring, near the fence into Quail Triangle. Comment
  UCR49995  Atriplex lentiformis Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  UCSB22915  Atriplex lentiformis Wheeler, Louis 1931-11-27 Riverside 3 mi. SE Salton bench mark -76 Comment
  RSA724123  Atriplex polycarpa R. E. Riefner 2006-10-9 6 -488 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Dr. at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  UCR239218  Atriplex polycarpa Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Colorado Desert; Northeastern Colorado Desert, Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road 305 Comment
  RSA422258  Atriplex saltonensis S. B. Parish 1913-9-20 8600 Riverside Mecca, Salton Sink. 58 Comment
  UCR121168  Atriplex semibaccata D. E. Bramlet 1989-7-6 1935 Riverside Auld Creek west of the Lake Skinner Dam; c. 1,000 ft. NE of the intersection of Washington St. and Auld Road. 423 Comment
  RSA226346  Atriplex semibaccata C. W. Tilforth, John Dourley 1971-6-8 385 Riverside Roadside near Alberhill, NW of Lake Elsinore. Comment
  POM78943  Atriplex serenana I. M. Johnston 1923-7-19 s.n. Riverside Norco-Pedley Road 4 mi. SSE of Wineville. Comment
  UCD97796  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR40489  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  SD181603  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside Menifee, ca. 1 mile southwest of Bell Mountain and I(c) mile east of I-215 Freeway; Romoland [quad]. Barley field and disused cattle pond. Disturbed area around seasonally pooled place. 445 Comment
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Jan 8 2009
  UCR272488  Atriplex suberecta Mitch Provance 2013-6-16 613- 20 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA346270  Avena barbata R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54036 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA516752  Avena fatua Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR158254  Avena fatua A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30114 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA703632  Azolla filiculoides Scott D. White, Angelia Carey 2004-9-16 10762 Riverside Indian Creek. Stream and margins in slow-flowing areas, gen. beneath riparian canopy. 549 Comment
  SDSU13513  Azolla filiculoides W. Miller 1972-8-9 Riverside 75 m. north of road. Comment
  RSA89967  Baccharis brachyphylla J. C. Roos 1950-10-15 5008 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  CAS-BOT-BC106701  Baccharis salicifolia Ivan Johnston 1917-4-4 1117 Riverside Palm Canyon 304 Comment
  CAS-BOT-BC106741  Baccharis salicifolia S. B. Parish 1912-6-27 8127 Riverside Alkaline flats at Mecca Comment
  HSC5132  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  JOTR29288  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 Comment
  JEPS21256  Baccharis salicina Mr. McGraw 1904-1-1 Riverside Comment
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Sep 5 2011
  POM350455  Baccharis sergiloides H. de Forest 1933-4-16 17592 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
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Mar 28 2011
  POM46867  Baccharis sergiloides George B. Grant 1906-05 s.n. Riverside Palm Springs Comment
  UC1118933  Baccharis sergiloides H. S. Yates 1936-6-4 5413 Riverside Palm Springs San Jacinto Quad. 137 Comment
  UCR19179  Baccharis sergiloides John C. Roos 1948-9-14 3003 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  RSA0094095  Bahia dissecta Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8721 Riverside Santa Rosa Mountains; approximately 0.4 air mile southeast of the summit of Santa Rosa Mountain. 2410 Comment
  HSC6309  Bahiopsis parishii C. L. Hitchcock 1966-3-16 24202 Riverside Along Palms to Pines Hwy., 7 mi. S of Palm Desert Comment
  RSA442011  Bahiopsis parishii Robert Gustafson 1980-5-5 1563 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  SEINET3104137  Bahiopsis parishii Sears 1977-10-12 S-- 559 Riverside Corn Springs Road in Corn Springs wash 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  POM350666  Baileya pauciradiata M. B. Dunkle 1932-2-25 2920 Riverside 6 miles NW of Indio. Comment
  UCR33599  Baileya pauciradiata Faulkner 1978-4-28 529 Riverside Sonoran (Colorado) Desert, sand dunes 3 miles south of Rice 245 Comment
  JOTR16564  Baileya pleniradiata Walters, Jim 1967-5-12 s.n. Riverside Joshua Tree National Park. EAST-WEST ACCESS ROAD TO LOST HORSE RANGER STATION Comment
  HSC5183  Bebbia juncea var. aspera C. L. Hitchcock 1966-3-16 24212 Riverside Along Palms to Pines Hwy., 4 mi. S of Palm Desert 610 Comment
  RSA676127  Beloperone californica Scott D. White 2001-4-12 8297 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR113891  Berberis nevinii Mitch Provance 1999-1-1 1039 Riverside City of Riverside, Granitic knoll c. 0.1 miles SW of Victoria Hill (pk 1005), west of the corner of Ivy St. and Victoria Ave. 311 Comment
  RSA293511  Bernardia incana W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook, Highway 74 above Deep Canyon, south of Palm Desert. Comment
  UCR176673  Bidens pilosa G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  SDSU11577  Bloomeria crocea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  UC56911  Boechera perennans H. M. Hall 1901-5-24 1897 Riverside e base San Jacinto Mts. (Vandeventer's, along borders of the Colorado Desert,); , Colorado Desert 1371 Comment
  LA204239  Boechera pulchra H. Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  UC667362  Boechera pulchra Annie M. Alexander and Louise Kellogg 1941-5-19 2201 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert 975 Comment
  JEPS61277  Boerhavia coccinea W. L. Jepson 1928-4-25 12611 Riverside Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  UCR94923  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 762 Comment
  UCR264211  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert, Desert Center, south of I-10 at the Eagle Mountain Road junction 361 Comment
  UCR280429  Boerhavia coulteri var. palmeri Onkar Singh 2015-11-10 5621 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, southern margin of Ford Dry Lake, c. 1 km NE of intersection of I-10 and Palen Dunes Rd 111 Comment
  RSA0045134  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40410 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  OBI38271  Boerhavia wrightii David J. Keil 1985-8-30 18953 Riverside Chiriaco Summit exit from I-10 Comment
  RSA778409  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-5 58 Riverside Corn Springs Wash off Corn Springs Road. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 416 Comment
  UC851715  Boerhavia wrightii C. Epling and Wm. Stewart 1936-9-1 Riverside Desert Center Comment
  UCR113864  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2000-6-24 2069 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1528-4512  Bouteloua barbata John C. Roos 1946-9-14 3025 Riverside San Jacinto Mountains 1219 Comment
  RSA613130  Bowlesia incana D. L. Banks 1997-3-6 1399 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  JEPS43805  Boykinia rotundifolia Marjorie D. Clary 1932-8-7 1640 Riverside Snow Creek; Colorado Desert, San Jacinto Mts., Snow Creek 365 Comment
  SDSU17528  Brachypodium distachyon Jerry Jenkins 2001 -043 Riverside Santa Margarita Ecological Reserve. Weed in orange grove, collected with Jenkins 2001-041. UTM transfered to GIS. Comment
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Aug 11 2017
  CLARK-A1528-5383  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  JEPS42503  Brandegea bigelovii W. L. Jepson 1927-4-12 11671 Riverside Mecca Hills Painted Canyon (Painted Canyon); , Painted Canyon 76 Comment
  JOTR31888  Brandegea bigelovii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  POM7546  Brandegea bigelovii P. A. Munz, R. D. Harwood 1920-4-2 3564 Riverside Between Blythe Junction and Blythe 305 Comment
  RSA747717  Brandegea bigelovii Justin M. Wood 2009-3-26 398 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR214158  Brandegea bigelovii T. B. Salvato 2010-4-20 4056 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR41529  Brandegea bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6103 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA0102675  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA620356  Brassica tournefortii A. C. Sanders 1997-3-1 19719 Riverside Box Springs Mountains: Coyote Hill (Bench Mark Versity , 1386 feet) and ridge S and SE of the UCR Botanic Garden. 427 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
  POM182399  Brickellia arguta A. M. Alexander 1941-5-10 2145 Riverside 3 mi. NE of Cottonwood Springs, Eagle Mountains 1037 Comment
  RSA342531  Brickellia arguta R. F. Thorne 1980-4-16 54075 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  JOTR30933  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 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
  CAS-BOT-BC106186  Brickellia desertorum Scott D. White 1996-9-22 4527 Riverside Lakeview Mts - N of Homeland, along Juniper Flats Rd., ca. 1.2 road miles N of intersect. w/St. Hwy. 74. 502 Comment
  CLARK-A1528-1669  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  UCR23273  Brickellia desertorum John C. Roos, L. Roos 1950-9-9 4986 Riverside Mt. Rubidoux. 400 Comment
  UCR60372  Brodiaea jolonensis R. Balsamo 1989-5-7 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, The Nature Conservancy's Santa Rosa Plateau Preserve, 4.1 mi west of Hwy I-15 on Clinton Keith Rd., directly across the road from vernal pools 762 Comment
  LA13769  Bromus carinatus var. marginatus F. M. Reed; 1908-7-11 2503 Riverside San Jacinto Mountains, trail to San Jacinto Peak 3078 Comment
  RSA775445  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4447 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 W116.64313 487 Comment
  UCR158271  Bromus diandrus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29502 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR232031  Bromus diandrus John F. Green 2008-4-15 0408- 17 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR2221  Bromus grandis F. M. Reed 1925-5-23 5034 Riverside Peninsular Range; Santa Ana Mtns., Horsethief Canyon, Temescal Mountains 976 Comment
  UCR232080  Bromus hordeaceus John F. Green 2008-4-22 06- 06 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  UC1925783  Bromus laevipes Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1286 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  UCSB9692  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  UCR9398  Bromus marginatus D. H. Wilken 1965-6-21 281 Riverside San Jacinto Mtns., Herkey Creek Public Camp, W end of the Hemet (Garner) Valley 1372 Comment
  RSA682074  Bromus rubens Scott D. White 2001-3-27 8172 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 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
  UCR85320  Bromus trinii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16168 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  UCR88740  Bromus trinii A. C. Sanders 1995-4-13 16509 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
  JEPS54871  Caesalpinia virgata John Thomas Howell 1928-1-30 3307 Riverside 2 mi. e. Shaver's Well; Colorado Desert Comment
  RSA779926  Caesalpinia virgata Jim Andre 2011-2-9 15908 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR161366  Caesalpinia virgata Mark A. Elvin 2005-4-26 4227 Riverside Northern Sonoarn Desert, Coachella Valley; west of Coachella Valley Preserve 84 Comment
  UCR21911  Calandrinia ciliata Steve Boyd 1980-5-2 158 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR259201  Calandrinia ciliata Mitch Provance, Jeremiah George 2012-4-24 412- 12 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  RSA198958  Callitriche marginata R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37562 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  MACF022933  Calocedrus decurrens Trudy R. Ericson 1979-5-28 1018 Riverside 1.6 mi. from intersection of F. S. Rd. opposite Toledo Springs Campground and Thomas Mtn. Loop Road on F. S. Rd., Santa Rosa Mtns. 2072 Comment
  UCR24899  Calocedrus decurrens A. C. Sanders 1980-7-18 1632 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA377348  Calochortus concolor N. C. Cooper 1949-6-29 4330 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA779939  Calochortus concolor Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2376 Riverside Just off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.6 air miles northeast of Red Dome. 859 Comment
  SD63338  Calochortus invenustus Walter Bertsch 1957-6-29 948 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2660 Comment
  UC3394  Calochortus invenustus H. M. Hall 1897-6-17 642 Riverside Strawberry Valley San Jacinto Mountains 1828 Comment
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Sep 2 2011
  UCR20921  Calochortus invenustus A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  CAS-BOT-BC132463  Calochortus plummerae Carl B. Wolf 1932-5-25 3696 Riverside [Bad Lands] Badlands, SW. of Beaumont, 1 1/2 mi. SW. of summit of Moreno Grade 548 Comment
  UCR135840  Calochortus splendens A. C. Sanders 2004-4-20 27543 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
  UCR297  Calochortus splendens Frank C. Vasek 1955-5-14 228 Riverside Peninsular Range, [Wolf Valley], 8 miles north of Pala on S16 366 Comment
  RSA1314  Calochortus weedii J. T. Howell 1928-7-8 1045 Riverside Santa Ana Mountains above Glen Ivy 1067 Comment
  UCD169808  Calochortus weedii var. weedii R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49545 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles south-southwest of El Cariso. 650 Comment
  RSA794  Calycadenia tenella J. T. Howell 1928-7-9 1074 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  JOTR32182  Calycoseris parryi Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  POM158062  Calycoseris parryi A. M. Alexander 1941-5-11 2146 Riverside 1.5 mi N of Cottonwood Spring, Eagle Mts. 976 Comment
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Oct 9 2010
  UCR101842  Calyptridium monandrum B. G. Pitzer 1997-4-1 3055 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR216353  Calyptridium monandrum Mike Bell 2008-3-19 043 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  UCD126080  Calystegia macrostegia B. Pitzer 1997-4-20 3200 Riverside Lakeview Mtns: Pulsar View Road, around 1.2 mi. up from the base of the hills (at end of Warren Road). Around 1 air mile north of Juniper Flats (Contour) Road. 549 Comment
  UCR21841  Calystegia macrostegia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR252228  Calystegia macrostegia Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  RSA413243  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. 350 Comment
  UCR111999  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23428 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
  UCR140296  Camissonia bistorta A. C. Sanders 2004-4-9 27471 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  CLARK-A1528-655  Camissonia boothii Charlotte Stocks 1964-4-20 Riverside Coachella Comment
  RSA795944  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 276 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA180409  Camissonia californica E. W. Lathrop 1965-5-30 5774 Riverside 6 miles W of Murrieta. Comment
  RSA466168  Camissonia californica Christopher Davidson, B. Gustafson 1977-4-7 5584 Riverside Whitewater Canyon Road, (exit from I-10 ca. 2.5 miles W of junction I-10 with State 62. Near start of Angeles [actually Pacific] Crest Trail.). Rocky sandy stream channel joining the main Whitewater Wash. 610 Comment
  UCR137687  Camissonia californica D. L. Banks, V. W. Steinmann 1997-3-13 1483 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
  POM13156  Camissonia cardiophylla P. A. Munz, D. Keck 1922-4-9 4785 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA139363  Camissonia cardiophylla Thomas W. Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  RSA454732  Camissonia cardiophylla Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA75387  Camissonia cardiophylla F. W. Peirson 1930-3-29 8687 Riverside Painted canyon, near Mecca. Comment
  JOTR29345  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1422 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  RSA0021246  Camissonia claviformis Michael Honer 2005-3-18 2092 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  RSA448924  Camissonia claviformis subsp. aurantiaca Ora M. Clark 1929-2-23 1559 Riverside E. Whitewater. Comment
  UCR103316  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2666 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA175094  Camissonia claviformis subsp. yumae Robert F. Thorne 1963-3-29 32412 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  SDSU3350  Camissonia confusa H. Wedberg 1958-3-30 191 Riverside Adjacent to men's toilet at El Cariso Public Camp, on Hwy 74 about 11 miles west of Elsinore. Cleistogamous. Comment
  UCR249923  Camissonia graciliflora A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36792 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR20698  Camissonia hirtella A. C. Sanders 1980-5-14 1459 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UCR265813  Camissonia hirtella Mitch Provance 2012-5-24 512- 03 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
  RSA449035  Camissonia ignota Christopher Davidson 1973-4-1 1802 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  UCR258634  Camissonia intermedia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7901 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
  RSA698241  Camissonia pallida J. R. Bruff 1928-4-2 83 Riverside Whitewater. Comment
  SEINET1109638  Camissonia pallida A. C. Sanders, K. C. Rose 1995-1 16368 Riverside San Bernardino Mtns. Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  RSA339671  Camissonia pallida subsp. hallii Robert F. Thorne, C. W. Tilforth 1980-5-28 54222 Riverside San Bernardino Mountains: rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater PO and Highway 10. Comment
  RSA449238  Camissonia pallida subsp. pallida Anstruther Davidson 1906-01 1146 Riverside Taquitz Canon, Colorado Desert. Comment
  JOTR01133  Camissonia pallida subsp. pallida Cole, James E. 1941-6-17 923 Riverside Joshua Tree National Park. IN LIVE OAK TANK 1219 Comment
  UC1922393  Camissonia refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  CLARK-A1528-3362  Camissonia strigulosa John C. Roos 1943-8-8 2703 Riverside San Jacinto Mountains 1615 Comment
  CLARK-A1528-665  Camissonia strigulosa Charlotte Stocks 1963-4-28 Riverside Box Canyon Comment
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Jul 7 2020
  RSA0112637  Camissoniopsis confusa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23904 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
  SBBG89039  Camissoniopsis confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto River Valley at the mouth of Bee Cyn 609 Comment
  SBBG101667  Camissoniopsis intermedia S. Boyd 1991-5-20 6273 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  UCR216391  Capsella bursa-pastoris Mike Bell 2008-3-30 018 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR37463  Capsella bursa-pastoris Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  RSA770448  Carex alma Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4560 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC20701  Carex fracta C. Epling; Wm. Robison 1935-6-29 s.n. Riverside Mt San Jacinto. Marion Peak. Comment
  UC72160  Carex fracta H. M. Hall May 17 1901 - Jun 1 1901 2665 Riverside Strawberry Valley, San Jacinto Mountain 1600 Comment
  CAS-BOT-BC118508  Carex praegracilis Earl W. Lathrop 1965-3-30 5605 Riverside 12 mi W of Murrieta Comment
  UCR158885  Carex praegracilis Scott D. White 1994-6-14 2059 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA608702  Carex senta L. C. Wheeler 1961-6-20 7893 Riverside West Fork Tahquitz Creek 2377 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
  JEPS46520  Castela emoryi E. E. Schellenger May 1920 Riverside Hayfields e Mecca (Colorado Desert); , Hayfields e of Mecca Comment
  SD131918  Castilleja affinis Rimo Bacigalupi, J. F. Macbride, Ruth D. Sanderson, C. Leroy Custer 1952-3-30 3551 Riverside On west-facing hillslopes to the east of State Highway No. 71 between Wildomar and Murrieta, 2.6 miles north of Murrieta 395 Comment
  RSA400521  Castilleja angustifolia Frances L. Cramer 1941-5-3 20325 Riverside Joshua Tree National Monument Comment
  POM319354  Castilleja applegatei subsp. martinii Patricia Wilder 1968-7-5 4311 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  UCR117311  Castilleja densiflora A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 737 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA0010919  Castilleja densiflora subsp. gracilis B. Pitzer, E. Misqez 1988-2-28 622 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SEINET7073308  Castilleja exserta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  RSA0010935  Castilleja exserta subsp. exserta J. 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. 1372 Comment
  RSA648202  Castilleja exserta subsp. exserta Glenda Long 1981-4-11 8 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  SEINET3078515 Image available Castilleja exserta subsp. exserta F. A. Rauch 1966-4-4 s.n. Riverside East slope of Sugarloaf Mtn. (Box Springs Mtns.) 457 Comment
  RSA0010956  Castilleja miniata subsp. miniata L. Crutcher 1933-8-22 5 Riverside Summit of Tahquitz Peak, San Jacinto Mts. Comment
  UCR106733  Castilleja minor subsp. spiralis John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA717466  Caulanthus heterophyllus Scott D. White 2006-4-28 11323 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR104638  Caulanthus heterophyllus D. E. Bramlet, Steve Boyd 1991-5-13 2150 A Riverside Shipley Multi-species reserve. N Domenigoni Hills. 1.37 km SE of the intersection of Warren Road and Simpson Ave., on the large peak in Section 31, near the end of the old mine road Comment
  UCR251313  Caulanthus heterophyllus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7422 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  POM97125  Caulanthus heterophyllus P. A. Munz 1925-5-20 9825 Riverside 2 miles W of Dripping Spring. 427 Comment
  CAS-BOT-BC40265  Caulanthus lasiophyllus Steve Boyd 1986-4-2 1608 Riverside Gavilan Plateau. Gavilan Hills. Harford Springs County Park. 640 Comment
  UCR241592  Caulanthus lasiophyllus A. C. Sanders, Ann Howald 2013-2-28 40558 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR77706  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6122 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  OBI42531  Caulanthus simulans L. F. LaPre 1986-4-17 s.n. Riverside Bull Canyon, Gavilan Hills Comment
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Nov 21 2014
  SEINET3507419 Image available Caulanthus simulans L. F. LaPre 1986-4-17 Riverside Bull Canyon, Gavilan Hills. Comment
  UC1611558  Ceanothus Steve Boyd, Chris Frazier 1993-4-24 8013 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 1000 Comment
  RSA0019602  Ceanothus cordulatus J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto. [Presumably collected in San Jacinto Mtns., not in City of San Jacinto] 2439 Comment
  CDA1657  Ceanothus crassifolius Mike Lahti 2007-5-31 PDR# 1361019 Riverside Murrieta; 26550 Pabesu Rd. Jo-Dan Farms Nursery. Comment
  LA41978  Ceanothus crassifolius W. E. Pequegnat; 1939-4-8 34 Riverside Santa Ana Mts Comment
  RSA605763  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Lakeview Mts, N of Winchester, at 'Maze Stone' Picnic Area. SE-facing slope. 610 Comment
  UCR138820  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 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
  SEINET13945800 Image available Ceanothus crassifolius Lewis S. Rose 1949-1 49072 Riverside 2 mi. south of Temecula 366 Comment
  CAS-BOT-BC49185  Ceanothus cuneatus H. E. McMinn 1925-7-1 1490 Riverside Lower control to Idyllwild - San Jacinto Mtns. Comment
  RSA399033  Ceanothus cuneatus Ora M. Clark 1929-4-6 1955 Riverside South of Hemet. Comment
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  SEINET10805182  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-3-21 Burge DOB 803 d Riverside San Jacinto Mountains, at intersection of Chimney Flats Road and USFS Road 5S13, 2.8 road miles (4.5 km) from Hwy 243 via Toll Gate Road, Apela Drive, and USFS roads 5S24 and 5S13, 4.57 km 257 deg. (True) WSW of Idyllwild. 1440 Comment
  POM48313  Ceanothus leucodermis E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA586046  Ceanothus leucodermis D. L. Banks, S. D. Boyd 1995-3-16 98 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, Arroyo Seco drainage. 549 Comment
  UCR160061  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA708423  Ceanothus oliganthus Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10783 Riverside Santa Ana Mountains: Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  CAS-BOT-BC63567  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7208 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1.5 mi. below (n.) main divide motorway. 1280 Comment
  RSA606743  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27406 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA399915  Ceanothus palmeri N. C. Cooper 1949-6-29 4348 Riverside Pine Cove. 1829 Comment
  UCR120908  Ceanothus perplexans A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24949 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  SD107755  Ceanothus tomentosus C. W. Tilforth, W. Wisura 1979-4-11 1762 Riverside East end of Murrieta-DeLuz Rd. ca. 2 air mi. south of Murrieta 334 Comment
  UCR130875  Cenchrus spinifex A. C. Sanders, K. C. Rose 1999-5-28 22789 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  RSA773475  Centaurea melitensis Duncan S. Bell, Ryan Parker 2010-6-15 1311 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1063 Comment
  UC63138  Centaurea melitensis H. M. Hall 1900-6-1 Riverside Riverside Comment
  UCR174375  Centaurea melitensis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32623 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  RSA741180  Centaurium venustum Scott D. White, Justin M. Wood 2008-7-10 12459 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  CAS-BOT-BC279119  Centromadia pungens subsp. laevis G. R. Ballmer 1992-6-23 92 -10 Riverside San Timoteo Canyon Road, 3.2 mi. E of junction with Redlands Blvd. N side of railroad tracks Comment
  CAS-BOT-BC279123  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  SD134524  Centromadia pungens subsp. laevis Craig Reiser 1991-7-10 Riverside Moreno Valley, Sycamore Canyon Park W of Eucalyptus Street Comment
  UCR266496  Centromadia pungens subsp. laevis Mitch Provance, Matt Amalong 2015-4-6 415- 12 Riverside Temecula/Murrieta Region, About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. 452 Comment
  POM46965  Cercidium floridum Mary F. Spencer 1918-3-27 755 Riverside Palm Springs. 137 Comment
  LA47751  Cercocarpus betuloides Elizabeth McClintock; 1940-4-23 sn Riverside Upper part of Idyllwild grade Comment
  UCR262260  Chaenactis artemisiifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3725 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  CAS-BOT-BC276377  Chaenactis carphoclinia S. B. Parish 1916-5-15 10838 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  CAS-BOT-BC276403  Chaenactis carphoclinia M. Bourell; R. Patterson 1987-4-14 3269 Riverside Spur N of Box Canyon Highway 195, BLM Conservation Area 150 Comment
  UC1595787  Chaenactis carphoclinia var. carphoclinia W. Wisura, J. Dolan, and M. Wall 1992-3-24 4615 Riverside 4.7 mi ne Mecca (on Box Canyon Rd) Comment
  CAS-BOT-BC276937  Chaenactis fremontii S. B. Parish 1896-4-4 4119 Riverside Palm Springs, {Agua Caliente), desert base of San Jacinto Mountain 213 Comment
  POM6061  Chaenactis fremontii I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon, near Palm Springs. 229 Comment
  RSA0077069  Chaenactis fremontii Jim M. Andre 2015-3-2 31350 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  RSA730040  Chaenactis fremontii R. F. Thorne 1973-3-30 72674 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA770843  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4947 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
  SEINET7988559  Chaenactis fremontii Ana Lilia Reina G. 2003-3-31 2003 -325 Riverside Palm Spring, Palm Spring 159 Comment
  UCR116802  Chaenactis fremontii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23932 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR180387  Chaenactis fremontii Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11275 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  SEINET10798240  Chaenactis fremontii David B. Dunn 1948-3-14 Dunn 3775 Riverside Found 1/4 mile west of Garnet along roadside in a low spot of the desert sands of Colorado Desert. Comment
  UCR241830  Chaenactis glabriuscula A. C. Sanders, Timothy W. Chumley 2013-4-3 40762 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  UC1873028  Chaenactis glabriuscula var. glabriuscula John S. Mooring 1962-3-10 572 Riverside Rim of Whitewater Canyon ca. 5 mi N of hwy 60-70. Comment
  UC63012  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3851 Riverside vicinity of Riverside 457 Comment
  RSA776767  Chaenactis stevioides Amber Swanson 2011-4-8 381 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UC69075  Chaenactis stevioides H. M. Hall 1905-5-1 6018 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs 670 Comment
  UC69077  Chaenactis stevioides H. M. Hall 1905-4-1 5935 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  POM118283  Chaenactis stevioides var. stevioides A. M. Alexander, Louise Kellogg 1941-5-11 2149 Riverside 1.5 mi N of Cottonwood Spring, Eagle Mts. 976 Comment
Read comments
Oct 9 2010
  RSA0123690  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9148 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
  RSA544306  Chamaesyce maculata Steve Boyd 1991-7-13 6412 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  RSA0099440  Chamaesyce micromera Duncan S. Bell, Evan Meyer 2014-10-29 7698 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  SBBG118575  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside near cynyn E of Painted Cyn Comment
  CDA35263  Chamaesyce polycarpa M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  SBBG100585  Chamaesyce polycarpa W. L. Halvorson 1977-2-5 77 -14 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC68677  Chamaesyce polycarpa H. M. Hall Apr., 1905 5900 Riverside Cuckawalla Wash Colorado Desert Comment
  RSA346267  Chamaesyce polycarpa var. hirtella R. F. Thorne, Dick Tilforth, L. M. Shultz, J. Hogge 1980-4-16 54037 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA432470  Chamaesyce polycarpa var. hirtella Christopher Davidson 1973-4-1 1837 Riverside Palm Springs. 488 Comment
  RSA432483B  Chamaesyce polycarpa var. hirtella G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert Cal. Comment
  RSA576451  Chamaesyce polycarpa var. hirtella Marjorie D. Clary 1937-3-7 2785 Riverside Road to Fargo Canyon, Little San Bernardino Mts., north side of Colorado Desert; 244 Comment
  RSA487533  Chamaesyce polycarpa var. polycarpa B. Pitzer 1988-3-10 644 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA670445  Chamaesyce setiloba B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  SBBG67777  Chamaesyce setiloba M. N. Ackley -Feb-1926 347 Riverside near Edom 64 Comment
  RSA320393  Cheilanthes clevelandii B. Busenberg, Walter Wisura 1984-10-19 4025 Riverside Ca. 4 mi fr. I 10 at Banning, along road to Idyllwild Comment
Read comments
Dec 4 2014
  CAS-BOT-BC66311  Cheilanthes clevelandii Steve Boyd; C. Boyd; B. Roy 1896-2-2 1201 Riverside Highway 79: At Riverside-San Diego County Line Comment
  CAS-BOT-BC70040  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-29 s.n. Riverside Palm Springs Comment
  JOTR30987  Cheilanthes covillei La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1965 Riverside Joshua Tree National Park. (Stop 3) Hexie Mountains, slopes above Blue Cut Gorge Comment
  RSA685714  Cheilanthes covillei N. R. Zabriskie, W. M. Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacino Mts. Comment
  RSA336041  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52022 Riverside Chino Canyon Comment
  UC433200  Cheilanthes parryi J. G. Lemmon 1876-4-26 Riverside San Gorgonio Pass; Mt San Jacinto Comment
  POM299277  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-5-21 2214 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  UC668386  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-24 2083 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  UCR82220  Chenopodium J. M. Stewart 1994-5-2 857 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  UCR167786  Chenopodium berlandieri T. B. Salvato, Gregg Miller 2005-6-3 1388 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR167823  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-23 1308 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR22147  Chenopodium berlandieri Steve Boyd 1980-7-20 337 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR69753  Chenopodium berlandieri A. C. Sanders, Chet McGaugh 1991-7-19 11154 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA741576  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside Garner Valley- Kenworthy Station (USFS) 1378 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
  POM121941  Chenopodium murale Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA612035  Chilopsis linearis C. Epling 1932-11-9 s.n. Riverside Murray Canyon, Palm Springs, Calif. Comment
  UCSB12243  Chilopsis linearis Creighton, B. 1961-5-7 Riverside 3 miles northwest of Cathedral City and 4 miles southeast of Palm Springs, on State Highway 111, in the Coachella Valley 91 Comment
  RSA33365  Chilopsis linearis subsp. arcuata N. Cooper 1943-9-26 925 Riverside Cabazon. 549 Comment
  SEINET13310687  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle. 480 Comment
  UC1125579  Chilopsis linearis subsp. arcuata H. S. Yates 1937-6-28 6739 Riverside near Palm Springs; San Jacinto Quad. Comment
  SEINET251683 Image available Chloris gayana S. Morgan 1997-12-5 Riverside Riverside : weed in the UCR Botanical Graden, E side of the UCR campus, S. of the pond, near the Rutaceae section, in the cell blocks J8 & K8. (Riverside East 7.5 Q.) 396 Comment
  UCR6748  Chloris gayana J. M. Harper 1967-11-18 s.n. Riverside Riverside, residence at 4212 Locust Street 256 Comment
  RSA192175  Chlorogalum parviflorum E. W. Lathrop 1966-6-1 6370 Riverside 14 miles NW of Murrieta, Los Alamos Road between Fisherman Camp and Main Divide Truck Trail. Cleveland National Forest. Comment
  RSA776770  Chorizanthe brevicornu Amber Swanson 2011-4-8 378 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  JEPS57786  Chorizanthe brevicornu var. brevicornu W. L. Jepson 1927-4-13 11677 Riverside Painted Canyon, NE of Mecca, Colorado Desert Comment
  RSA65200  Chorizanthe brevicornu var. brevicornu F. W. Peirson 1920-2-16 1775 Riverside East of Palm Springs. Comment
  RSA776958  Chorizanthe brevicornu var. brevicornu Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 906 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SEINET7048175  Chorizanthe brevicornu var. brevicornu Steven R. Hill 2001-5-3 33681 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA0035905  Chorizanthe corrugata J. M. Andre 2013-3-27 24826 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  UCR167204  Chorizanthe corrugata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR15524  Chorizanthe fimbriata var. fimbriata Robin L. Kobaly, G. K. Helmkamp, N. Burchett 1978-6-1 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, south of Murrieta Comment
  UCR55655  Chorizanthe leptoceras L. F. LaPre 1988-6-3 s.n. Riverside Peninsular Range, Indian Truck trail, sandy bench south of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  UCD99733  Chorizanthe leptotheca R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR260596  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41473 Riverside San Gorgonio Pass, north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 mi. ENE (77 deg. ) of water bottling plant, north edge of wind farm 451 Comment
  RSA586722  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-17 0444 B Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  CAS-BOT-BC246237  Chorizanthe rigida Carl B. Wolf 1932-4-29 s.n. Riverside EASTERN COLORADO DESERT. W. EDGE OF MARIA MTS. 17 MI. FROM BLYTHE ON RICE ROAD 152 Comment
  UCR79490  Chorizanthe staticoides Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approximately 1 mi 534 Comment
  RSA0097129  Chorizanthe xanti var. leucotheca Marc A. Baker 2015-7-9 18402 Riverside San Gorgonio Pass, 32 km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4 km ENE of Banning. 638 Comment
  CLARK-A1528-1730  Chrysothamnus paniculatus John C. Roos 1942-10-23 2578 Riverside Dry Morongo Canyon Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  RSA40319  Chrysothamnus paniculatus L. S. Rose 1945-12-25 45323 Riverside 4 miles N of Palm Springs. Comment
  RSA0117920  Chylismia cardiophylla subsp. cardiophylla Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7653 Riverside Mecca Hills: Side canyon along Painted Canyon Road. northeast of Mecca, northwest of Box Canyon. 170 Comment
  CAS-BOT-BC160591  Chylismia claviformis subsp. aurantiaca A. N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Coachella Comment
  JOTR33760  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2758 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  SD232176  Cirsium occidentale var. occidentale Scott D. White 2003-3-21 8796 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 121 Comment
  RSA737351  Cirsium vulgare Justin M. Wood 2008-9-19 134 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA740254  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains: Johnson Meadow 1415 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-BC438666  Cistanthe ambigua Lewis S. Rose 1937-4-10 37150 Riverside La Quinta. Alt. sea level. 0 Comment
  UCR241940  Citrullus lanatus var. citroides A. C. Sanders, Jose Aguiar 2012-12-19 40530 Riverside Sonoran (Colorado) Desert, Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal -8 Comment
  UCR266485  Clarkia epilobioides Mitch Provance, Eric Kline 2015-3-26 315- 44 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 424 Comment
  UCR107817  Clarkia purpurea subsp. quadrivulnera D. L. Banks 1997-5-5 2018 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
  SEINET6944614  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  UC1979621  Clarkia similis D. L Banks, Steve Boyd 1995-5-3 0185 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
  UCR112821  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR35362  Clarkia similis L. B. Ziegler 1969-5-12 359 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  SDSU13483  Claytonia parviflora subsp. parviflora Shawn Johnston, Calf. Plant Taxonomy Class 2000-4-1 16 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA614415  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1548 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  OBI32523  Claytonia perfoliata subsp. mexicana Richard L. Irwin 1962-4-15 26 Riverside Sycamore Cyn- ca. 1.4 mi S on Cyn Crest Dr from Penn Ave; then to left on dirt rd ca 0.3 mi; then to right about 1/2 mi to end of rd; then over rise and to crk 335 Comment
  UCR139030  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. The area along Magee Truck Trail betweem the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR169311  Clematis ligusticifolia T. B. Salvato, John F. Green 2004-5-27 598 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
  RSA0119895  Clematis pauciflora Duncan S. Bell, Thomas Stoughton 2016-4-12 9225 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA747517  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SDSU20292  Clematis pauciflora Adrienne D. Russell, Michael G. Simpson 2000-4-29 129 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky hillside between trailer and gorge on edge of lot, driveway. Comment
  POM90994  Clematis pauciflora E. C. Jaeger 1925-12-11 s.n. Riverside Aguanga. Comment
  POM500A  Cleome isomeris I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  CLARK-A1528-2207  Coldenia palmeri John C. Roos 1947-3-1 3299 Riverside Coachella Valley Comment
  JOTR31071  Coleogyne ramosissima La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2334 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UCR177947  Collinsia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 037 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA0117456  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1263 Riverside San Bernardino National Forest: Garner Valley, along forest service road 6S13 approximately 0.5 air mile west of junction of forest service road 6S04 and forest service road 6S13. 1372 Comment
  UCR80821  Collinsia concolor Scott D. White 1993-5-29 1477 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA736260  Collinsia heterophylla Scott D. White, Justin M. Wood 2008-4-3 11790 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  UC1608269  Collinsia heterophylla Steve Boyd, Orlando Mistretta 1992-4-23 7073 Riverside following San Mateo Trail upstream to confluence with Bluewater Canyon (along San Mateo Creek from Riverside Co. line, San Mateo Canyon Wilderness Area, Southern Santa Ana Mts.); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 243 Comment
  UCR84599  Collinsia heterophylla Scott D. White, S. Ogg 1994-4-21 1967 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SBBG55041  Condea emoryi M. Dimmitt 1965-4-24 142 Riverside Cathedral Cyn 304 Comment
  JEPS6811  Cordylanthus nevinii Carl V. Meyer 1928-7-26 528 Riverside Roach Sawmill site San Jacinto Mountains 2072 Comment
  UCR146125  Cordylanthus nevinii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1453 Riverside Peninsular Ranges; San Jacinto Mountains, Northeast of South Ridge trailhead, east of Idyllwild 2012 Comment
  RSA412306  Cordylanthus rigidus subsp. setiger Albert J. Perkins 1916-9-2 s.n. Riverside Idyllwld. Comment
  UCR35228  Cordylanthus rigidus subsp. setiger L. B. Ziegler 1967-9-6 241 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  CAS-BOT-BC287877  Coreopsis californica Munz; Street; Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 542 Comment
  RSA585647  Coreopsis californica var. californica D. L. Banks, Steve Boyd 1995-3-16 0083 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, Arroyo Seco drainage. 506 Comment
  POM153345  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1928-9-12 11309 Riverside Dry flats near Lake Elsinore Comment
  UCSB32534  Corethrogyne filaginifolia Smith, O. 1977-4-1 Riverside 1 mile up Ellis Rd. in Perris, CA 365 Comment
  CLARK-A1528-1782  Corethrogyne filaginifolia var. bernardina John C. Roos 1951-9-25 5272 Riverside Riverside 259 Comment
  HSC85402  Cotula coronopifolia Steve Boyd 1986-4-19 1720 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Rd. Comment
  UC84529  Cotula coronopifolia Stephens 1895-3-31 Riverside Palmetto Springs [Palm Springs] Comment
Read comments
Apr 17 2011
  SDSU13954  Crassula connata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2136 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  RSA357164B  Crassula solieri R. F. Thorne, E. W. Lathrop 1975-5-25 45561 -B Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  CLARK-A1528-2611  Cressa truxillensis John C. Roos 1937-5-10 2074 Riverside Lake Elsinore Comment
  CLARK-A1656-825  Crossosoma bigelovii Jon Mark Stewart 1983-2-4 Riverside Palm Desert 330 Comment
  JOTR37743  Crossosoma bigelovii Hodges, Stephen, Aliya Ingersoll 2016-2-24 657 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  RSA721999  Crossosoma bigelovii Christopher Davidson, B. Gustafson 1977-4-7 5587 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  SBBG2864  Crossosoma bigelovii H. and M. Dearing 1949-4-17 6754 Riverside Morongo Cyn 640 Comment
  JEPS52464  Croton californicus W. L. Jepson 1901-5-17 1217 Riverside Riverside Comment
  JOTR30082  Croton californicus La Doux, Tasha, Bill Truesdell 2006-10-3 1721 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  SD230228  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 1111, 1 km northwest of Palm Slprings (measured from the intersection with San Rafael Dr.) south of the highway. 214 Comment
  SEINET3089930 Image available Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of Hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad. 731 Comment
  UCD141968  Croton californicus Robert F. Thorne; C. W. Tilforth 1980-5-28 54159 Riverside San Bernardino Mts: Colorado Desert slopes, south-facing and west-facing, N-S rocky ridge at east side of Whitewater River at mouth of canyon. Around 1/4-1/2 mile east of Whitewater Post Office. Comment
  UCR245236  Croton californicus Jim Andre 2012-3-19 21343 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  RSA480700  Croton californicus var. mohavensis Christopher Davidson, B. Gustafson 1977-4-7 5589 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  UCR183167  Cryptantha Mitch Provance 2003-5-5 4408 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM6558  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-27 2354 Riverside Salton Sea Comment
  SBBG81513  Cryptantha angustifolia S. A. Junak 1983-3-23 1616 a Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR148331  Cryptantha angustifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  JEPS20702  Cryptantha barbigera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13245 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  RSA796091  Cryptantha barbigera Duncan S. Bell 2009-4-20 311 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR167272  Cryptantha barbigera 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
  SEINET10455558  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3722 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR228427  Cryptantha barbigera var. barbigera Dave Silverman 2010-3-30 7883 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  CAS-BOT-BC218763  Cryptantha holoptera A. C. Sanders; T. B. Salvato 2000-5-16 23391 Riverside Colorado Desert: Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon; where large wash crosses under powerlines. 30 Comment
  POM368240  Cryptantha holoptera M. B. Dunkle 1933-5-6 3436 Riverside Painted Canyon Comment
  POM280807  Cryptantha intermedia Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA778145  Cryptantha intermedia J. Andre 2011-2-2 16234 Riverside Coachella Valley; mouth of Big Morongo Wash, 1 mile east of Hwy. 62, just N of North Indian Canyon Road, west of Desert Hot Springs. 7.5 miles north of I-10 487 Comment
  UC64407  Cryptantha intermedia H. M. Hall 1899-5-1 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR277702  Cryptantha intermedia Mitch Provance 2013-4-16 413- 20 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR80812  Cryptantha intermedia Scott D. White 1993-5-29 1452 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA0075620  Cryptantha intermedia var. johnstonii Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  JOTR35287  Cryptantha maritima Andre, Jim 2012-4-11 20780 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA770987  Cryptantha maritima J. Andre, T. La Doux 2009-2-25 10809 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR147845  Cryptantha maritima Steve Boyd, Et al. 2004-5-14 11274 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR167246  Cryptantha maritima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR275516  Cryptantha maritima D. E. Bramlet 2010-3-1 4451 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UC1063822  Cryptantha micrantha H. S. Yates 1937-3-23 6394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC1279966  Cryptantha micrantha Peter H. Raven with R. Snow 1957-7-26 11122 Riverside 1.8 mi above Lake Fulmor; San Jacinto Mountains Comment
  CAS-BOT-BC520377  Cryptantha micrantha var. lepida Steve Boyd; Gary Wallace 2005-7-30 11639 Riverside Peninsular Ranges, San Jacinto Mountains region: San Jacinto Mtns State Park, Hidden Lake area, NE of Hidden Divide, SE of Long Valley, near head of Hidden Fork of Tahquitz Creek 2682 Comment
  JOTR33922  Cryptantha micrantha var. lepida La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2813 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
  UCR177832  Cryptantha micrantha var. lepida S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR150974  Cryptantha micromeres D. L. Banks 1997-3-29 1636 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  SBBG34215  Cryptantha microstachys H. Haid 1969-5-11 Riverside Bautista Cyn foothills, ca. 20 mi SE of Hemet 914 Comment
  SEINET273057  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. on E si 473 Comment
  UCR162400  Cryptantha microstachys S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR21522  Cryptantha microstachys Steve Boyd 1980-5-6 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris. Burned area in NE corner of Reserve Comment
  UCSB40037  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  RSA0079421  Cryptantha muricata var. jonesii Steve Boyd 1991-5-20 6276 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR279550  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-25 43013 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
  RSA0125985  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2016-3-4 8811 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  SBBG6272  Cryptantha racemosa H. and M. Dearing 1942-3-10 4826 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  RSA0119886  Cryptantha utahensis Duncan S. Bell, Thomas Stoughton 2016-4-12 9218 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  RSA699862  Cryptantha utahensis J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  SEINET2042095 Image available Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  SEINET3082991 Image available Cucurbita maxima A. C. Sanders 1987-9-27 7386 -A Riverside Cultivated in the vegetable garden at 422 Campus View Dr. Comment
  POM6747  Cucurbita palmata P. A. Munz, Street Street 1919-5-7 s.n. Riverside Palm springs 183 Comment
  HSC6392  Cuscuta californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23076 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  POM9395  Cuscuta californica I. M. Johnston 1920-5-8 2269 Riverside Jurupa Mountains, extreme west end. Comment
  UCR21937  Cuscuta californica var. californica Steve Boyd 1980-5-11 220 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
  RSA614596  Cuscuta campestris A. C. Sanders, Steve Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  RSA795921  Cuscuta denticulata Duncan S. Bell 2009-4-19 289 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CAS-BOT-BC56142  Cylindropuntia californica var. californica L. R. Abrams 1908-7-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET3085681  Cylindropuntia munzii Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17306 Riverside South Side of Chuckwalla Mountains, 67km WSW of Blythe, 3.8km SSW of Augustine Pass. 665 Comment
  UCD97943  Cylindropuntia ramosissima William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  RSA297076  Cymopterus panamintensis var. acutifolius John F. Emmel 1974-4-27 486 Riverside Canyon 0.4 air mile NE of peak 3263 on 1956 USGS topographic quad. N end Coxcomb Mts. 762 Comment
  CHSC36065  Cynodon dactylon Paul Bailey 1972-5-14 131 Riverside Roadside 5 miles SE of Temecula, Hwy S 16, Pechanga Canyon. 670 Comment
  SDSU13535  Cynodon dactylon W. Miller with C. Mosse 1972-7-11 Riverside Dam. Comment
  UCR33713  Cynodon dactylon Faulkner 1978-3-21 348 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  IRVC5332  Cyperus eragrostis B. Freeman 1968-5-21 680521 1 Riverside UCR campus; wet drainage gulley below Watkins House. southern coastal 305 Comment
  RSA500204  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3540 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA575850  Cyperus erythrorhizos Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  UCR188894  Cyperus erythrorhizos Fred M. Roberts, S. Leatherman 2007-9-19 6588 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA605754  Cyperus involucratus A. C. Sanders, G. K. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Canyon in vicinity of the debris basin above the W end of Sunny Dunes Road. 183 Comment
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  UCR78635  Cyperus odoratus Scott D. White 1992-9-11 792 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  SD227679  Cyperus parishii A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22234 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  UCR119808  Cyperus squarrosus A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  UCR42742  Dactylis glomerata B. G. Pitzer, Karen Kirtland 1986-5-20 225 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  RSA598033  Dactylis glomerata F. M. Reed 1933-5-15 s.n. Riverside Riverside. 290 Comment
  CAS-BOT-BC280861  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio Comment
  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
  SEINET3102116  Dalea mollissima Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17458 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  UC700948  Dalea mollissima Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UCR92140  Datisca glomerata D. L. Banks, Steve Boyd 1995-5-3 0202 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA64346  Datura discolor S. B. Parish 1912-10-10 8335 Riverside Salton Basin -58 Comment
  RSA421892  Datura wrightii F. A. Thackery 1928-4-25 180 Riverside Indio. Comment
  SD84921  Datura wrightii Nancy Ryan Zabriske, Walter Zabriske 1972-3-28 483 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 366 Comment
  UCR167795  Datura wrightii T. B. Salvato, Melissa Clemons 2005-6-23 1321 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA587429  Daucus pusillus D. L. Banks, S. D. Boyd 1995-6-2 573 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  UCR139189  Daucus pusillus Virginia Moran 2003-5-17 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  CAS-BOT-BC293817  Deinandra fasciculata Mitch Provance 1998-6-24 714 Riverside Jurupa Mountains: Canyon NE of the Jurupa Mountains Culture Center, ca. 0.7km SW of peak 1701 335 Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
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Apr 16 2011
  UC9213  Delphinium H. M. Hall June 1901 2161 Riverside e base of mts along borders of Colorado Desert; San Jacinto Mountains Comment
  JEPS5521  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1429 Riverside Van Deventer's Ranch San Jacinto Mts. Comment
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Nov 9 2009
  UC1126030  Delphinium parryi J. B. Spring 1931-4-21 36 Riverside Branch of Mockingbird Canyon Elsinore Quadrangle Comment
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Apr 2 2011
  UCR100967  Delphinium parryi G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR89801  Delphinium parryi Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3343 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
  UCSB2144  Dendromecon rigida Kamb, Peter 1947-5-17 Riverside Banning-Idyllwild Road at Vista Grande Ranger Station, San Jacinto Mts. 1463 Comment
  UC1931201  Deschampsia danthonioides Scott D. White, Justin Wood 2008-6-19 12267 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  RSA651379  Descurainia pinnata Marion P. Harthill 1971-3-19 28 Riverside Palm Desert. Comment
  CAS-BOT-BC43357  Descurainia pinnata subsp. glabra Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley. Comment
  POM489  Descurainia pinnata subsp. glabra I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  RSA0120489  Descurainia pinnata subsp. glabra Duncan S. Bell, Thomas Stoughton 2016-3-17 8958 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  RSA773188  Descurainia pinnata subsp. halictorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4899 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
  RSA772016  Dicentra chrysantha Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4954 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
  UC3251  Dichelostemma capitatum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR107885  Dichelostemma capitatum B. G. Pitzer 1997-3-23 2952 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  SD153003  Dichelostemma capitatum subsp. capitatum Steve Boyd, Tim Ross 1992-5-4 7183 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, Oak Flats area east of Verdugo Potrero. Rolling terrain. Common on heavy soil, native grassland and adjacent openings in chaparral and oak woodland. 730 Comment
  SBBG51155  Dichelostemma capitatum subsp. pauciflorum W. Zabriskie 1973-3-21 Riverside Beeseep Cyn, Deep Cyn drainage 304 Comment
  RSA775090  Dicoria canescens Duncan S. Bell, Amber Swanson 2011-2-18 2040 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCD131261  Dieteria canescens var. canescens J. C. Roos 1965-10-5 s.n. Riverside Exact location unknown. Comment
  UCR207327  Digitaria sanguinalis O. F. Clarke 2000-1-11 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET269429 Image available Diplacus bigelovii var. bigelovii John Wear 1995-1 Riverside Colorado Desert; wash along Eagle Mountain Road north of I-10 near Desert Center Comment
  SD137603  Diplacus clevelandii Darin L. Banks, Steve Boyd 1995-5-17 460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mointain., E of the dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco 658 Comment
  SEINET270935  Diplacus fremontii Richard J. Shaw 1958-1 1095 Riverside Joshua Tree National Monument; Main highway approximately 10 miles from White Tank Campground. Comment
  RSA0019414  Diplacus fremontii J. T. Howell 1927-8-2 562 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA0012650  Distichlis spicata LeRoy Gross, Caitlin Elam 2013-5-14 6077 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip., Started near 33.66575N, 116.66716W. 1332 Comment
  UCR259226  Distichlis spicata Mitch Provance 2012-4-20 412- 05 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  UCR274543  Distichlis spicata Mitch Provance, Ken Halama 2003-6-15 17059 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  JEPS3936  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral reef Ranch, Coachella Valley Comment
  SBBG81483  Ditaxis claryana S. A. Junak 1983-3-23 1638 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  JOTR35215  Ditaxis lanceolata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3639 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SBBG104636  Ditaxis lanceolata T. Glenn 1991-4-29 91 -62 Riverside McCoy Mtns, NW of Blythe; T5S, R20E, S 27 & 34 Comment
  VVC2196  Ditaxis lanceolata Tim Thomas 2012-8-23 5868 Riverside Colorado Desert, WNW of Blythe, site of Blythe Solar field, at this time it is scheduled to be destroyed. 134 Comment
  JOTR29562  Ditaxis neomexicana Andre, Jim, Tasha LaDoux 2006-4-11 6736 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  SD143929  Ditaxis neomexicana G. K. Helmkamp, A. C. Sanders, P. McKay, T. Thomas 1997-2-8 19685 Riverside Colorado Desert/San Jacinto Mountains, Palm Springs area, Murray Canyon off Palm Canyon, on south side of boulders along trail near the mouth of the canyon 244 Comment
  SEINET1109560  Ditaxis neomexicana George K. Helmkamp 1998-1 3180 Riverside Sonoran (Colorado) Desert: 2.3 mi. N of Hwy I-10 on nEagle Mtn Rd. 274 Comment
  VVC648  Ditaxis neomexicana P. J. MacKay 1997-2-8 103 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA782274  Ditaxis serrata R. W. Spjut 2007-10-12 16153 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  POM12370  Ditaxis serrata var. californica P. A. Munz, D. D. Keck 1922-4-8 4833 Riverside [Unspecified] 213 Comment
  RSA793974  Ditaxis serrata var. californica Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4351 Riverside Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam. 97 Comment
  RSA530749  Dithyrea californica Robert L. Dressler 1949-3-19 420 Riverside 5 miles NE of Desert Center. Comment
  RSA718759  Dithyrea californica Michael Honer, L. Hulse 2004-4-14 1946 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  UC1595800  Dithyrea californica W. Wisura, J. Dolan, and M. Wall 1992-3-25 4652 Riverside 2.7 mi s prison on Wileys Well Rd. Comment
  CAS-BOT-BC412633  Dodecahema leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  RSA461341  Dodecatheon clevelandii Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  UCR19087  Draba cuneifolia var. integrifolia John C. Roos 1952-3-19 5402 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  RSA577525  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  SD255020  Dryopteris arguta R. F. Thorne, E. W. Lathrop 1977-5-18 49758 Riverside Santa Ana Mountains: Bera Spring (East slope of Santiage Peak) Comment
  RSA423467  Dudleya Elizabeth A. White 1928-04 s.n. Riverside Near 7 [Seven] Palms. Comment
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Aug 18 2010
  CAS-BOT-BC109628  Dudleya multicaulis Mrs. C. M. Walden s.n. Riverside West of Riverside. Comment
  RSA562430  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside Tributary to Olsen Cyn., some 76 m. S of the Cyn. and 90 m E of the existing dirt road. The site is approx 213m NE of the existing El Sobrante landfill. 375 Comment
  CAS-BOT-BC109607  Dudleya saxosa subsp. aloides Carl B. Wolf 1937-4-5 8414 Riverside San Gorgonio Pass, 1 mile west of Whitewater. 365 Comment
  CAS-BOT-BC109647  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 682 Riverside San Jacinto Mountains, Thomas Mountain, ca. 0.5 mile from Highway 74 on Ramona Trail. Comment
  POM229021  Dudleya saxosa subsp. aloides P. A. Munz 1937-5-31 15119 Riverside Head of Coyote canyon 1067 Comment
  UCR282413  Dysphania ambrosioides Mitch Provance 2009-7-1 709- 06 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  RSA0125225  Echinocereus engelmannii var. engelmannii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  SDSU14052  Ehrharta longiflora Michael Powers 2002-4-2 9 Riverside North of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 800 feet east of parking lot. 229 Comment
  UC489191  Eleocharis acicularis C. V. Meyer 1928-7-27 566 Riverside Hidden Lake San Jacinto Mts. 2651 Comment
  UCR220334  Eleocharis macrostachya D. E. Bramlet 1992-4-29 2251 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  UCR90340  Eleocharis montevidensis Scott D. White 1995-6-29 3409 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  CDA20777  Eleusine indica M. Lahti 2006-9-18 PDR 1357285 B Riverside Island Growers, Anza Rd., Temecula. In Ivy stock containers. Widespread weed in nursery, but not particularly common. 0 Comment
  RSA574565  Elymus glaucus subsp. glaucus Steve Boyd 1985-7-23 1016 -A Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  CAS-BOT-BC234140  Elymus multisetus Le Roy Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UC37060  Elymus trachycaulus H. M. Hall July 1901 2569 Riverside Dark Canyon San Jacinto Mountains 2133 Comment
  CLARK-A1703-1207  Emmenanthe penduliflora Charlotte Stocks 1962-5-16 Riverside Whitewater Canyon Comment
  RSA524425  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Tim Ross, J. Bonilla 1990-4-3 4121 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA648274  Emmenanthe penduliflora Tamara Joy Hanna 1991-5-19 48 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  UC1537546  Emmenanthe penduliflora Gordon H. True Jr. 1935-3-11 65 Riverside Box Springs; Sycamore Canyon 365 Comment
  JEPS23538  Encelia farinosa Peter H. Raven 1958-2-15 11587 Riverside along United States Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  RSA678416  Encelia farinosa Michael Wall 2003-4-15 334 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  SDSU16481  Encelia farinosa Ben Czerwiec, Taxonomy of California Plants class 2005-5-2 13 Riverside One quarter mile south of the 111 highway in a canyon facing the North. Individual slopes face east and west. Five to six miles east of Interstate 10. 457 Comment
  UC472322  Encelia farinosa Geo. B. Grant 1906-4-20 396 -6720 Riverside Palm Springs Southern California, Palm Springs Comment
  UCR119416  Encelia farinosa Mitch Provance 1998-2-13 42 Riverside Jurupa Mountains, Glen Avon Hts., .2 km. north of Campbell St., along the SW portion of the range. 262 Comment
  UCR41336  Encelia farinosa N. M. Fellows 1985-3-16 101 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  RSA519245  Encelia farinosa var. farinosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  CAS-BOT-BC131421  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near [Canon] Canyon Springs Comment
  SEINET4560237  Encelia frutescens J. Andre 2012-1 21367 Riverside Palen Valley; along Palen Pass Rd (dirt) 1.2 mi. east of Hwy 177 184 Comment
  UCR277614  Encelia frutescens Aaron C. Sedgwick, Duncan S. Bell 2012-9-20 123 Riverside Rice Valley, c. 3 miles south of Rice on Rice-Blythe [Midland] Rd. and then c. [1.5] miles [SE] on unmarked dirt road 235 Comment
  SEINET7845949 Image available Encelia frutescens H. M. Hall 5859 Riverside Colorado Desert, near Canon Springs Comment
  NY70043  Ephedra aspera L. Abrams 1903-4-6 3204 Riverside Palm Springs station Comment
  NY70354  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca, 100 yards east of Spring. Comment
  SEINET3197212 Image available Ephedra aspera G. Rink 2011-4-4 10425 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 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
  SBBG21950  Ephedra californica R. F. Thorne 1964-5-3 33851 Riverside near hwy ca. 4 mi S of Morongo Valley, ca. 3 mi S of San Bernardino Co line Comment
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Apr 24 2011
  RSA0056204  Ephedra californica W. Marquart 1938-3-12 s.n. Riverside Mule Mountains south of Chuckawall Range. Comment
  SEINET10834110  Ephedra californica David B. Dunn 1946-2-22 Dunn 1953 -A Riverside Collected on N side of Whitewater Canyon in Colorado Desert. Comment
  UCR137682  Ephedra nevadensis A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al. 1995-5-5 15986 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Manirobra Valley, 1.6-3 mi south of frontage road (old 60) along I-10, S to edge of BLM wilderness 187 Comment
  RSA0019797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -A Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  RSA19084  Ephedra viridis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs. Colorado desert. Comment
  UC1134412  Ephedra viridis H. S. Yates 1937-3-24 6465 Riverside near head of Deep Canyon; Thermal Quad. Comment
  CLARK-A1528-649  Epilobium adenocaulon Frank C. Vasek 1964-6-24 640624-1 Riverside University of California Comment
  RSA596531  Epilobium brachycarpum D. L. Banks 1996-7-16 1128 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road) . 427 Comment
  RSA761224  Epilobium canescens Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 709 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC171741  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA448507  Epilobium canum subsp. latifolium N. R. Zabriskie 1969-11-8 239 Riverside Andreas Canyon near Palm Springs. 274 Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA588345  Epilobium canum subsp. latifolium N. C. Cooper 1943-9-11 922 Riverside San Jacinto Mountains, Below Idyllwild. 1372 Comment
  SBBG94827  Epilobium densiflorum E. LaRue 1989-7-13 Riverside Santa Rosa Plateau, N side of Tenaja Rd where De Luz Crk crosses rd, NW of Mesa de Colorado Comment
  UCR159202  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA607567  Epipactis gigantea Louis C. Wheeler 1964-6-19 8487 Riverside Chino Creek, oasis near Palm Springs. Comment
  RSA595260  Eragrostis curvula var. conferta D. L. Banks, Elizabeth Hedge Banks 1996-5-2 965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the W side of the road next to a citrus orchard. 399 Comment
  UCR98119  Eragrostis mexicana Scott D. White, Megan Phillips 1992-4-29 s.n. Riverside San Jacinto Valley, large area on San Jacinto Reservior on N and E sides, east of Sanderson Street, and SW of Ramona Expressway Comment
  UCR139981  Eragrostis pectinacea var. pectinacea A. C. Sanders 2004-8-10 28767 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA0015415  Eremalche exilis Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR279597  Eremalche rotundifolia A. C. Sanders, Jim Malusa 2017-3-28 43164 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA575897  Eremocarpus setiger Steve Boyd 1994-10-14 8390 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  POM12813  Eremogone ferrisiae P. A. Munz 1922-6-23 5789 Riverside 2 miles below Kenworthy, Hemet Valley. 1372 Comment
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Mar 25 2011
  SBBG60424  Eremothera boothii subsp. decorticans M. N. Ackley 1928-4-3 761 Riverside Devil's Cyn, Coral Reef Ranch 152 Comment
  UCR19159  Eriastrum densifolium subsp. densifolium John C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mtns., Dos Palmas Spring Comment
  UCR35047  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-5-31 137 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  UC73654  Eriastrum eremicum subsp. eremicum M. F. Gilman 1904-1 21 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC514450  Eriastrum eremicum subsp. eremicum Philip A. Munz; R. D. Harwood 1950-4-4 3526 Riverside Pass S of Palm Springs 152 Comment
  CAS-BOT-BC514452  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2789 b Riverside Palm Canyon Road to Palm Springs Comment
  SEINET3005079  Eriastrum harwoodii G. Rink 2011-5-7 10517 Riverside Large powerlines about 10 miles west-southwest of Blythe, active sand dunes 121 Comment
  UCR125208  Eriastrum sapphirinum Mitch Provance 1998-5-24 536 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  OBI11547  Eriastrum sapphirinum subsp. dasyanthum R. F. Hoover 1968-6-7 11159 Riverside Hemet, Head of St. Johns Canyon, south of Hemet. Comment
  JEPS122467  Eriastrum sapphirinum subsp. sapphirinum J. M. Andre 2012-6-15 30544 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  RSA0122963  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan S. Bell 2008-9-16 3581 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA0122977  Eriastrum sapphirinum subsp. sapphirinum C. B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  RSA489839  Ericameria cuneata D. Charlton 1988-5-28 2137 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  RSA0125105  Ericameria cuneata var. spathulata Duncan S. Bell 2016-10-27 10214 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  LA202469  Ericameria linearifolia J. Warren; sn Riverside Palm Springs 457 Comment
  SD260179  Ericameria nauseosa Mitch Provance 2013-6-18 613 32 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA0034555  Ericameria palmeri var. pachylepis Scott D. White 1999-10-7 7624 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA544321  Ericameria pinifolia Steve Boyd 1991-9-8 6429 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  JOTR16591  Erigeron breweri var. covillei Baker, James K. & Baker, Ilisa T. 1976-2-7 6 /17/1966 Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA606237  Erigeron divergens R. S. Woglum 1937-5-22 585 Riverside Santa Rosa Mountains. Comment
  RSA751929  Erigeron foliosus Scott D. White, Justin M. Wood 2009-5-21 12837 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SEINET7062959  Erigeron foliosus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  UCR133443  Erigeron foliosus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 457 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR159251  Erigeron foliosus A. C. Sanders, Kelly Volansky 2005-8-31 31571 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CAS-BOT-BC189079  Eriodictyon crassifolium H. E. McMinn 1925-7-1 1519 Riverside By wash, between Palm Springs and the canyon mouth Comment
  RSA455025  Eriodictyon crassifolium E. C. Jaeger 1921-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat], north slope San Jacinto Mts Comment
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Nov 5 2011
  UC24074  Eriodictyon crassifolium H. M. Hall June, 1901 2006 Riverside western base San Jacinto Mountains; western base San Jacinto Mountains Comment
  SD229192  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 901 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  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
  POM209904  Eriodictyon trichocalyx var. lanatum Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  RSA770680  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4757 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  UC107133  Eriodictyon trichocalyx var. trichocalyx T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  UCSB9700  Eriodictyon trichocalyx var. trichocalyx Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon Comment
  SEINET272278  Eriogonum G. R. Ballmer 1991-8-11 Riverside Santa Rosa Mtns Santa Rosa Mnt Rd ca 8 mi SE of the jct with Hwy 74. W of Deep Canyon Comment
  CAS-BOT-BC248629  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  UC1395196  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside 4.4 mi nnw, along California Highway 243 Idyllwild (8.9 mi n of the junction with Highway 74, and 1 mi s of Alandale Ranger Station); San Jacinto Mountains Comment
  CAS-BOT-BC242788  Eriogonum davidsonii Philip A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  RSA393466  Eriogonum davidsonii N. C. Cooper 1944-5-20 1231 Riverside Pine Flats, Palms to Pines Highway. 1220 Comment
  UCR243181  Eriogonum davidsonii A. C. Sanders 2013-7-6 40842 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Valley View Dr. toward Crestview Dr., at intersection with N-S road of unknown name 1680 Comment
  JEPS35729  Eriogonum deflexum var. deflexum Frank W. Peirson 1928-11-30 Riverside foot of canyon below Shavers Well 0 Comment
  UCR200305  Eriogonum deflexum var. deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11244 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  SEINET6417985  Eriogonum elongatum Andrew C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills; Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 549 Comment
  SD132454  Eriogonum elongatum var. elongatum Scott White 1990-10-2 Riverside Vail Lake Area; Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  RSA783804  Eriogonum fasciculatum J. D. Olmsted 1960-2-15 1096 Riverside 100ft from highest point in Jurupa Hills, Santa Ana River. 686 Comment
  UCR235218  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, John F. Green 2012-6-1 40241 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA0065505  Eriogonum fasciculatum subsp. polifolium Marion P. Harthill 1971-3-19 45 & 52 Riverside Borrego Desert. Comment
  SBBG62044  Eriogonum fasciculatum var. fasciculatum R. Hoffmann 1929-9-9 Riverside Temecula Grade Comment
  CAS-BOT-BC249950  Eriogonum fasciculatum var. foliolosum G. P. Rixford 1915-4-3 s.n. Riverside Riverside Comment
  CAS-BOT-BC249952  Eriogonum fasciculatum var. foliolosum James L. Reveal; Caroline G. Reveal 1972-8-6 2842 a Riverside Along California Highway 71, north of the junction of Highway 74 at Elsinore, 2 miles north of Ilsinore [Elsinore] Comment
  UCR90741  Eriogonum fasciculatum var. foliolosum Scott D. White 1995-4-5 2734 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCSB1525  Eriogonum fasciculatum var. polifolium Ullman, Sydney 1956-4-14 Riverside Town of Whitewater Comment
  UCR251984  Eriogonum gracile A. C. Sanders, T. B. Salvato 2014-7-2 41167 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR280831  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-3 1404 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 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
  RSA242183  Eriogonum gracile var. incultum James L. Reveal, Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  RSA423103  Eriogonum gracile var. incultum Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
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Nov 6 2011
  RSA500167  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, Laurel Arnseth 1989-6-10 3660 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  SEINET10280030 Image available Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6614 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 miles northeast of California Highway 74 and about 1.5 miles northeast of Kenworthy Guard Station, about 8 air miles southeast of Mountain Center 1585 Comment
  UCR148040  Eriogonum inflatum Steve Boyd, Et al. 2004-5-14 11230 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  POM2270  Eriogonum inflatum var. inflatum I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 229 Comment
  UC1018185  Eriogonum inflatum var. inflatum J. Warren 1952-4-6 Riverside Palm Springs 457 Comment
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Apr 20 2013
  CAS-BOT-BC270953  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA679987  Eriogonum molestum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1119 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  UCR17518  Eriogonum nudum var. pauciflorum Frank C. Vasek 1979-7-26 790726- 01 Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR243514  Eriogonum pusillum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21079 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCR199838  Eriogonum reniforme Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11294 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  CAS-BOT-BC263526  Eriogonum thomasii Annie M. Alexander; Louise Kellogg 1941-5-28 2260 Riverside Metropolitan Aqueduct Road, east of Hayfield Comment
  POM122085  Eriogonum thomasii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SBBG28232  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Cyn, near Mecca Comment
  UC665773  Eriogonum thomasii Ira L. Wiggins 1941-3-24 9586 Riverside 1 mi n Imperial county line (e side of Salton Sea); Salton Sea Comment
  UCR16512  Eriogonum thomasii David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  UCSB1534  Eriogonum thomasii Haller, John 1957-3-23 Riverside S. boundary of Joshua Tree Nat Mon; 4 air miles S. of Cottonwood sprs, & 1 mile N. of June with US 60 609 Comment
  RSA653433  Eriogonum thurberi Scott D. White 1999-5-24 7396 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
  UCR108472  Eriogonum thurberi A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16196 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  UCR177859  Eriogonum thurberi Marisa Sripracha, K. A. Boyd 2004-3-21 041 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR364  Eriogonum thurberi R. O. Perez 1955-5-7 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  UCR68865  Eriogonum thurberi Steve Boyd, T. S. Ross 1990-5-11 4703 A Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA420617  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-27 s.n. Riverside Gavilan Hills. Comment
  RSA423082  Eriogonum wrightii var. membranaceum N. R. Zabriskie, Walter Zabriskie 1969-11-22 240 Riverside South end Marion Ridge Rd., Pine Cove, Idyllwild, San Jacinto Mountains. 1829 Comment
  UCR131586  Eriogonum wrightii var. nodosum L. C. Wheeler 1933-12-1 2294 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Tahquitz Canyon 152 Comment
  POM47482  Eriophyllum ambiguum var. paleaceum Mary F. Spencer 1920-4-7 1428 Riverside Palm Canyon 244 Comment
  RSA651119  Eriophyllum confertiflorum Diane M. Ramirez 1983-5-15 28 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill 1253 Comment
  RSA92625  Eriophyllum confertiflorum F. W. Peirson 1924-7-29 5023 Riverside Road between Banning and Idyllwild. 1767 Comment
  UC1537022  Eriophyllum multicaule Gordon H. True Jr. 1935-3-19 130 Riverside 6 mi se Perris 487 Comment
  CAS-BOT-BC296968  Eriophyllum wallacei Carl B. Wolf 1932-5-25 s.n. Riverside NO. BASE OF SAN JACINTO MTS. SNOW CREEK CANYON. 1 MI. BELOW FISH HATCHERY 396 Comment
  CLARK-A1528-1111  Eriophyllum wallacei Charles S. Papp 1965-5-1 816 Riverside San Jacinto River 609 Comment
  SD37566  Eriophyllum wallacei Edith A. Purer 1935-4-21 6481 Riverside Near Palm Springs. Comment
  UCSB54161  Eriophyllum wallacei McKinley, Gale 1985-3-27 Riverside 1/2 mile N of site #9 in Ryan Campground in Joshua Tree National Monument 1280 Comment
  RSA736645  Erodium botrys Scott D. White, Angelia Carey 2004-4-5 10030 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA703473  Erodium cicutarium LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1418 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC1536993  Erodium cicutarium Gordon H. True 1935-3-1 29 Riverside Box Springs 365 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA390918  Erodium moschatum Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  RSA0020241  Erythranthe floribunda Kenneth Burden 1949-7-4 s.n. Riverside Damp soil along trail between Idyllwild to Tahquitz Meadow. 2134 Comment
  SDSU10781  Erythranthe guttata Wende Rehlaender 1983-5-22 Riverside Across road from Console Springs. Reche Canyon, approx. 7 miles from NW end of Reche Canyon Rd.; about 3 miles N of Sunnymead. Comment
  RSA0022958  Eschscholzia androuxii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4300 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA329551  Eschscholzia caespitosa subsp. caespitosa Gary D. Wallace 1966-3-26 274 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  RSA433686  Eschscholzia californica G. R. Johnstone 1934-3-27 18569 Riverside Near Wildomar. Inland route to Temecula. Comment
  RSA433695  Eschscholzia californica D. A. Young 1969-3-21 395 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  UC917873  Eschscholzia californica Frank W. Gould 1944-4-5 2224 Riverside 17 mi e Temecula Comment
  UCR113140  Eschscholzia californica A. C. Sanders 1998-3-11 21664 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 Comment
  UC69220  Eschscholzia glyptosperma E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  JOTR28881  Eschscholzia minutiflora La Doux, Tasha 2004-2-24 1116 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  UCSB33609  Eschscholzia minutiflora Simmons, Karen 1979-3-25 Riverside 8.8 miles south-west of Hwy 10; on Box Canyon Road 30 Comment
  UCSB3653  Eschscholzia minutiflora Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles north of U.S. Hwy 99; Western edge of Colorado Desert Comment
  SEINET10476297  Eschscholzia minutiflora David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2899 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  CAS-BOT-BC5931  Eschscholzia minutiflora var. parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Eastern slope of San Bernardino Mt., Whitewater. Comment
  UCD96498  Eschscholzia papastillii Shannon M. Still 2009-4-19 546 A Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 724 Comment
  UCR114123  Eschscholzia parishii B. G. Pitzer, J. Ross 1998-3-8 3616 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  CAS-BOT-BC334462  Eucalyptus A. C. Sanders; John F. Green 2013-3-27 40687 Riverside Peninsular Range: Alberhill, along Lake St. near the old clay mines, 1.16 km S of I-15 Fwy 388 Comment
  UCR241792  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40711 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  UCR41234  Eucalyptus camaldulensis N. M. Fellows 1985-3-3 75 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  SEINET2445417  Eucrypta chrysanthemifolia var. chrysanthemifolia Daphne K. Christopher, Hannah Stevens 2003-4-4 90 Riverside Uc Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR123876  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill 2001-4-29 33521 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCR149996  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR279516  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-27 43104 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR281196  Eulobus californicus Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  RSA0040031  Euphorbia albomarginata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  OBI39241  Euphorbia maculata A. C. Sanders 1982-6-12 2713 Riverside Riverside, garden at 422 Campus View Dr Comment
  UCD142573  Euphorbia micromera Geoffrey Levin 1976-10-17 1172 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  RSA676156  Euphorbia polycarpa Scott D. White 2001-4-3 8258 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR31670  Euphorbia polycarpa John C. Roos 1947-11-1 3755 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  UCR4218  Euphorbia polycarpa K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  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
  UCR33700  Euphorbia polycarpa var. hirtella Sears 1978-3-18 947 Riverside Sonoran (Colorado) Desert, 10 mi. SW of Desert Center, 8 mi. south of Interstate Hwy 10 on Red Cloud Mine Road, following mining railroad 457 Comment
  POM163315  Eustoma exaltatum R. C. Bacigalupi 1925-7-1 1245 Riverside Riverside Canyon. Comment
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Feb 22 2014
  UCR163890  Eustoma exaltatum B. G. Pitzer 2001-8-19 4345 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  HSC82755  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains, Box Canyon on Box Canyon Rd., 5.9 miles E of Mecca. 305 Comment
  RSA663918  Fagonia laevis C. R. Annable 1995-3-15 2279 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  UCR104005  Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2657 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR121665  Fatoua villosa A. C. Sanders, T. B. Salvato 2001-10-8 24878 Riverside Santa Ana River Valley Region, Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E Campus Dr., just north of the reservoir 351 Comment
  CHSC8314  Ferocactus cylindraceus Edward L. Smith 1957-4-3 229 Riverside At White Water Canyon entrance, San Bernardino Mts. 579 Comment
  JEPS66846  Ferocactus cylindraceus S. B. and W. F. Parish April, 1882 Riverside Whitewater; borders of the Colorado Desert, Whitewater Comment
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Jul 15 2009
  UC1608284  Festuca arundinacea Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7338 Riverside from confluence with Los Alamos Canyon downstream Tenaja Canyon (San Mateo Canyon); Southern Santa Ana Mountains, San Mateo Wilderness Area, San 365 Comment
  UCR93057  Festuca microstachys Steve Boyd 1986-4-2 1628 B Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  VVC2909  Festuca microstachys var. pauciflora Tim Thomas, P. J. MacKay 2010-4-12 5040 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA339654  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54230 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR18116  Filago depressa A. C. Sanders 1978-4-2 116 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  RSA575828  Filago gallica Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain 317 Comment
  CSUSB831  Fouquieria splendens Steve G. Nelson 1974-4-13 Riverside Highway 195, four miles southwest of junction with US Highway 10. Comment
  RSA799921  Fouquieria splendens Justin M. Wood, D. M. Ray 2011-4-28 3832 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  UC454004  Fragaria vesca I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mountains 1524 Comment
  RSA0018946  Fragaria vesca Philip A. Munz 1922-6-27 5855 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  RSA464919  Fraxinus dipetala E. Crow 1929-4-7 287 Riverside East end of Corona Skyline Drive, Santa Ana Mts. Comment
  UCR199672  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont, northeast point of the Beaumont Badlands, north of Mt. Davis 793 Comment
  JEPS42940  Fraxinus velutina W. L. Jepson 1901-5-22 14599 Riverside near Van De Venter's; San Jacinto Mts., Palm Canyon Comment
  RSA717478  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  SD247460  Fraxinus velutina Fred T. Sproul, Julia Groebner 2014-7-21 6006 Riverside Santa Ana River at Norco (Corona North 7.5'Q) 175 Comment
  RSA0027940  Fremontodendron John F. Emmel 1992-6-10 1225 Riverside San Jacinto Mts: Fobes Ranch Road, 2.1 road mi NE of Hwy 74. 1494 Comment
  UCD95139  Fumaria parviflora Gary W. Sanderson 1960-2-24 s.n. Riverside east side of State Highway 111, 1 mile north of Indio towards Palm Springs. Comment
  RSA638869  Funastrum cynanchoides var. hartwegii Scott D. White 1998-10-9 7169 Riverside Corona, near Bedford Canyon: ''Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  SJSU11071  Funastrum hirtellum R. C. McGhee 1970-4-14 186 Riverside E base Coxcomb Mts at end of rd 2.3 mi W of junction with Desert Center-Rice Rd Comment
  UCR241528  Funastrum hirtellum A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40635 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  CDA3333  Galenia pubescens E. C. Nord 1971-1-29 Riverside Fire Lab, Riverside. 0 Comment
  POM46851  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 A Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  SDSU14282  Galium angustifolium subsp. angustifolium Ryan Jacobson, Jeremy Mass 2000-4-19 7 Riverside Santa Margarita Ecological Reserve. Near banks west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  CAS-BOT-BC223055  Galium angustifolium subsp. gracillimum Carl B. Wolf 1932-5-24 3648 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below Fish Hatchery 548 Comment
  UCR180590  Galium aparine Scott D. White, Angelia Carey 2004-4-5 9983 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR92225  Galium aparine D. L. Banks, Steve Boyd 1995-3-16 0105 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail 610 Comment
  UCD170417  Galium californicum subsp. primum D. O. Burge 2017-3-12 2224 Riverside Pine Cove area, roadside on Red Hill Road. 1720 Comment
  UCR147554  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1285 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  JOTR33777  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2929 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
  UCR86553  Galium nuttallii subsp. nuttallii A. C. Sanders 1994-5-30 14606 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UC102542  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2529 Comment
  UC219086  Galium parishii P. A. Munz 1922-7-6 6022 Riverside near Hidden Lake; San Jacinto Mts. 2560 Comment
  JOTR36465  Galium stellatum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3435 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA776012  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 616 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR208932  Garrya flavescens Larry E. DeBuhr 1972-3-23 529 Riverside Peninsular Range, Santa Rosa Mountains, San Bernardino National Forest, across the valley from Santa Rosa Springs, below TV transmitter station 2317 Comment
  CLARK-A1528-534  Garrya flavescens subsp. pallida C. M. Flanagan 1973-5-31 OO 643 Riverside Morongo Indian Reservation 975 Comment
  RSA797255  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50793 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  POM3205  Gayophytum diffusum subsp. parviflorum F. M. Reed 1908-7-12 2557 Riverside South side of Round Valley. San Jacinto Mountains. Comment
  CAS-BOT-BC303590  Geraea canescens Lewis S. Rose 1936-12-29 36833 Riverside La Quinta 0 Comment
  RSA155569  Geraea canescens L. S. Rose 1962-3-2 s.n. Riverside La Quinta 3 Comment
  RSA27179  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin. Comment
  UC53923  Geraea canescens F. Gilman 1902-1 38 Riverside Palm Springs Comment
  SD186237  Geranium dissectum A. C. Sanders 2004-4-20 27569 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA4383  Gilia angelensis Dorothy R. Wolf 1932-3-20 29 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA495459  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2987 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA72287  Gilia angelensis F. W. Peirson 1929-5-4 8334 Riverside Summit of St John's grade. 792 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  UC52692  Gilia angelensis H. M. Hall 1897-3-13 389 Riverside Wildomar Comment
  UCR103168  Gilia angelensis Scott D. White, Julie Greene 1997-3-12 4781 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR103176  Gilia angelensis Scott D. White, Julie Greene 1997-3-12 4771 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR207246  Gilia angelensis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  UCR96914  Gilia angelensis G. F. Pratt 1997-3-18 s.n. Riverside March Air Force Base, vicinity of Arnold Heights, east of Alessandro Blvd. 460 Comment
  UCR110972  Gilia diegensis George K. Helmkamp 1998-6-27 4102 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR259197  Gilia diegensis Mitch Provance, Jeremiah George 2012-4-24 412- 02 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  RSA777651  Gilia latifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 773 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA0017102  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SEINET7040152  Gilia ochroleuca subsp. exilis A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  POM99004  Gilia stellata E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains, 30 miles east of Mecca 610 Comment
  UCD66770  Glyceria declinata A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside San Bernardino Mtns: Morongo Indian Reservation. At SE edge of Burro Flats. 1097 Comment
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May 5 2012
  UCR16698  Gnaphalium californicum R. H. Smith 1969-5-20 40 Riverside San Bernardino Valley Region, Box Springs Mtns, below water reservoir, Sugarloaf Peak. 305 Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR135981  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27903 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR234241  Gnaphalium leucocephalum A. C. Sanders, T. B. Salvato 2012-4-27 40086 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  UC1979606  Gnaphalium luteoalbum D. L Banks, Steve Boyd 1995-5-17 0463 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. Comment
  RSA535469  Gnaphalium microcephalum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6644 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UCR125223  Gnaphalium palustre Mitch Provance, Twoc Tran 1998-5-30 565 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR37617  Gnaphalium palustre George K. Helmkamp 1984-5-2 D- 21 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA655040  Gnaphalium stramineum Scott D. White 1999-6-6 7529 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR216243  Gnaphalium stramineum Oleg Pryadko 2008-5-2 080 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR93061  Gnaphalium stramineum A. C. Sanders, S. Ogg 1994-7-28 15178 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA613651  Guillenia lasiophylla D. L. Banks, Victor Steinmann 1997-3-13 1468 Riverside Agua Tibia Mountains: Vail Lake area, north and just S 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
  UCR244433  Guillenia lasiophylla Jim Andre 2012-4-16 20928 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  UCR107400  Gutierrezia californica B. G. Pitzer 1997-3-23 2988 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  CAS-BOT-BC540847  Gutierrezia sarothrae Sarah J. De Groot; Duncan S. Bell 2015-9-21 7580 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Dunn Rd, between Asbestos Mountain and Haystack Mountain 1240 Comment
  UCR103456  Gutierrezia sarothrae Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1341 Comment
  UCR128243  Haplopappus venetus A. C. Sanders, Kelly Volansky 2003-10-16 27334 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR60259  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3196 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  RSA17257  Helianthemum scoparium var. aldersonii C. B. Wolf 1936-6-17 7956 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  RSA357134  Helianthemum scoparium var. vulgare R. F. Thorne 1969-10-25 41853 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  RSA0018590  Helianthus annuus Duncan S. Bell 2013-1-30 4456 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  CAS-BOT-BC305619  Helianthus californicus Louis C. Wheeler 1931-10-4 202 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR58164  Helianthus californicus George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  SD187376  Heliotropium curassavicum Scott d. White, Angelia Carey 2004-5-7 10345 Riverside Indian Creek and adjacent foothills. 548 Comment
  UCR112490  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2000-5-30 23436 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
  UCR275275  Heliotropium curassavicum T. B. Salvato, Gregg Miller 2005-6-7 1459 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  SEINET7067549  Hemizonia fasciculata A. G. Vestal 1947-6-13 s.n. Riverside About 2.5 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 473710mE, 3702441mN. Comment
  UCR121807  Hemizonia fasciculata A. C. Sanders, Carolyn Washburn 2001-4-17 24061 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR207786  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA360324  Hemizonia paniculata E. Crow 1929-4-21 350 Riverside North of Elsinore Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR182427  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6702 Riverside Granitie Knolls and Mesas of Riverside, South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR266357  Hemizonia paniculata D. E. Bramlet 2005-6-28 3884 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  RSA735851  Hemizonia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-4-15 11874 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR161460  Hemizonia pungens subsp. pungens Nathan Moorhatch 2005-9-23 s.n. Riverside Perris-Aguanga Basin, SW side of March ARB, north side of Nandina Avenue, west of Patterson Avenue 457 Comment
  UCR199712  Hemizonia pungens subsp. pungens Scott D. White, Justin Wood 2008-6-26 12295 Riverside Perris Basin, Hwy I-215 at stream crossing, just west of golf course and just north of Newport Road 434 Comment
  UC68675  Hesperocallis undulata H. M. Hall Apr. 1905 5831 Riverside Colorado Desert, Mecca Mecca; Colorado Desert, Mecca -45 Comment
  UCD138396  Hesperocallis undulata P. C. Everett; E. K. Balls 1958-4-29 23027 Riverside 5.4 miles northeast from Desert Center along road to Rice and Vidal junction. 259 Comment
  RSA0049544  Hesperocallis undulata Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2222 Riverside Northwest end of the McCoy Mountains, NW of Blackjack Mine. 400 Comment
  SEINET5641188  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  CLARK-A1045-1309  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  UC191682  Heterocodon rariflorum S. B. and W. F. Parish Jun 1882 1425 Riverside base of San Jacinto Mt. Comment
  POM9845  Heterotheca horrida subsp. cinerascens E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  JEPS2489  Heterotheca sessiliflora subsp. fastigiata Marjorie D. Clary 1931-11-15 715 Riverside near Thousand Palms Comment
  VVC693  Hibiscus denudatus P. J. MacKay, T. Thomas 1997-2-8 102 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  CAS-BOT-BC312336  Hieracium albiflorum Edmund C. Jaeger 1921-6-29 s.n. Riverside Idyllwild, San Jacinto Mts. 1584 Comment
  SD224799  Hilaria rigida A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16205 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  UCR213393  Hilaria rigida A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37456 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR89862  Hoffmannseggia glauca J. M. Stewart 1990-9-23 654 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC206107  Hoffmannseggia microphylla Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC284939  Hordeum brachyantherum subsp. californicum Robert F. Thorne; Earl Lathrop 1969-5-12 37936 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California Comment
  SEINET244670 Image available Hordeum depressum A. C. Sanders, D. Malueg 2001-5-17 24358 Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UCR264619  Hordeum depressum Mitch Provance 2011-6-6 17006 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  SEINET271520 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  UCR58496  Hordeum marinum subsp. gussoneanum 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
  RSA179511  Hordeum marinum subsp. gussoneanum E. W. Lathrop 1965-4-30 5700 Riverside 5 miles W of Murrieta. 610 Comment
  RSA774502  Hordeum murinum subsp. glaucum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4424 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 W116.64316 487 Comment
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May 7 2014
  UC856344  Hornungia procumbens P. A. Munz 1922-4-29 5120 Riverside Lancaster Valley Comment
  RSA433955  Horsfordia newberryi M. V. Hood 1931-05 s.n. Riverside Devil s Canyon, Coachella Valley. Comment
  CAS-BOT-BC201090  Hosackia crassifolia Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  CAS-BOT-BC201092  Hosackia crassifolia Carl B. Wolf 1932-8-4 3909 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  RSA695584  Hulsea brevifolia Keith E. Hoffmaster 1937-6-6 782 Riverside San Jacinto Mountains. Comment
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2
  UCR213828  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 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
  RSA33501  Hymenoclea salsola N. C. Cooper 1944-4-23 1120 Riverside Cabazon 457 Comment
  RSA771744  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4762 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
  RSA458248  Hypericum formosum var. scouleri M. B. Dunkle 1933-7-20 3711 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA507508  Hypochaeris glabra Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  LA61542  Hyptis emoryi Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 138 Comment
  RSA420155  Hyptis emoryi Ora M. Clark 1929-3-17 1727 Riverside Palm Springs. Comment
  RSA651635  Hyptis emoryi Christy Hightower 1982-3-26 1 Riverside on hillside of Magnesia Canyon aprox. 2 1/2 mi. SW of Rancho Mirage. Santa Rosa Mts. Comment
  UC63795  Hyptis emoryi H. M. Hall May 17 1901-Jun 1 1901 1838 Riverside Palm Canyon 457 Comment
  UC987821  Hyptis emoryi Reid Moran 1941-5-5 854 Riverside Eagle Mountains Cottonwood Pass; , Cottonwood Pass Comment
  UCSB45953  Isocoma menziesii var. vernonioides Roos, John 1965-9-21 Riverside On the west side of March Air Force Base along 395 Highway 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
  RSA544400  Iva axillaris subsp. robustior Steve Boyd, Tim Ross 1991-6-14 6368 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
  UC76429  Iva axillaris subsp. robustior Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  UCR262277  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 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
  UCR189782  Juglans californica var. californica Theresa Johnson 2007-10-24 403 Riverside Peninsular Ranges, Perris-Aguanga basin, Badlands, just north of Highland Blvd Comment
  UCR246479  Juglans hindsii R. E. Riefner Jr. 2012-7-23 12- 322 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  CAS-BOT-BC110065  Juncus acutus Elizabeth McClintock 1964-4-8 s.n. Riverside Pushawalla Palms Canyon, Colorado Desert, east of Indio. Comment
  RSA44869  Juncus acutus subsp. leopoldii J. C. Roos 1948-5-15 3855 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  UC111320  Juncus acutus subsp. leopoldii S. B. Parish 1907-4-22 6149 Riverside w edge Colorado Desert 200 Comment
  RSA198996  Juncus bufonius Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37449 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  UCR121176  Juncus bufonius D. E. Bramlet 1991-5-2 2111 Riverside Crown Valley, c. 2300 ft. (~0.44 mi.) SE of Rawson Road 701 Comment
  UCR222304  Juncus bufonius R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55214 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  SD137986  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 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. 500 Comment
  UCR256088  Juncus bufonius var. occidentalis G. D. Wallace 2003-7-8 4038 B Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR197054  Juncus effusus subsp. austrocalifornicus A. C. Sanders, D. L. Sanders 2008-9-27 36100 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UCR94960  Juncus effusus subsp. austrocalifornicus Scott D. White 1996-8-15 4463 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UC842783  Juncus macrandrus Crawford and Johnston 1917-6-9 1232 Riverside near Corona; Santa Ana River Comment
  RSA690935  Juncus mexicanus Scott D. White, Michael Honer 2003-5-27 9416 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 2349. 396 Comment
  RSA768247  Juncus mexicanus Justin M. Wood 2010-5-19 1845 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UCR193528  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35564 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  RSA368338  Juncus rugulosus L. C. Wheeler 1933-12-2 2322 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  UCR164296  Juncus rugulosus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA526089  Juncus textilis Steve Boyd, Timothy S. Ross 1990-5-11 4662 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
  JEPS9192  Justicia californica Marjorie D. Clary 1934-3-3 Riverside 18 mi. w. of Indio (Carrizo Canyon); Carrizo Canyon 304 Comment
  RSA398811  Justicia californica H. de Forest 1929-3-16 14170 Riverside Painted Canyon near Mecca Comment
  JOTR30680  Kallstroemia californica Andre, Jim, Tasha La Doux 2008-9-13 10262 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  RSA0103624  Kallstroemia parviflora Duncan S. Bell 2015-9-30 8650 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA424820  Keckiella antirrhinoides Gale Sphon 1955-4-2 s.n. Riverside Perris. Comment
  SJSU7917  Keckiella antirrhinoides G. B. Youngberg 1956-3-20 225 Riverside near La Sierra College, Arlington 231 Comment
  UC410544  Keckiella antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 Riverside near Idyllwild Comment
  UC667295  Keckiella antirrhinoides Annie M. Alexander and Louise Kellogg 1941-5-21 2215 Riverside n base Eagle Mountains; Colorado Desert 1158 Comment
  UCD39067  Keckiella antirrhinoides Beecher Crampton 1963-5-7 6785 Riverside Western. 2 miles W of Lakeland Village, Elsinore Mountains. Cleveland National Forest. Comment
  CAS-BOT-BC236723  Keckiella antirrhinoides subsp. microphylla Annie M. Alexander; Louise Kellogg 1941-5-21 2215 Riverside North base of Eagle Mountains, Colorado Desert 1158 Comment
  RSA0092491  Keckiella antirrhinoides subsp. microphylla Mark E. Fishbein, Victor Steinmann, Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-12-4 4104 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  RSA6731  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-4-2 4534 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  NY786536  Keckiella antirrhinoides var. antirrhinoides F. W. Pennell 1940-4-27 25273 Riverside 5 miles south of Winchester 457.2 Comment
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Mar 20 2011
  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
  JOTR31063  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2045 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  SEINET7048170  Keckiella antirrhinoides var. microphylla Steven R. Hill 2001-5-3 33676 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  LA209268  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 sn Riverside Santa Ana Mountains, 0.25 mi above Bear Springs 1402 Comment
  RSA89026  Keckiella cordifolia M. Dillon 1954-6-15 s.n. Riverside Canyon near Glen Ivy Hot Springs Comment
  UCR101549  Keckiella cordifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22221 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  RSA498183  Keckiella rothrockii subsp. jacintensis Anstruther Davidson 1876-7-11 s.n. Riverside Mt. San Jacinto 2439 Comment
  UCR193750  Keckiella ternata A. C. Sanders, Mitch Provance 2008-7-11 35753 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA0019438  Keckiella ternata subsp. ternata N. C. Cooper 1944-7-15 1581 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  POM162482  Koeleria macrantha Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  RSA585503  Koeleria macrantha D. L. Banks, Steve Boyd 1995-5-9 0364 B Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  UCR35301  Koeleria macrantha L. B. Ziegler 1968-5-21 294 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UC1280880  Krameria erecta H. E. McMinn 1935-6-27 4062 Riverside Palms to Pines Highway Comment
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Jul 30 2009
  UC472703  Krameria grayi M. F. Spencer 1922-4-28 405 Riverside Chino Canyon Palm Springs (Palm Springs); Colo. Desert, , Chino Canyon <Colorado Desert> Comment
  RSA510312  Lactuca serriola Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA784731  Lactuca serriola Duncan S. Bell 2012-3-18 3198 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  CLARK-A1528-4706  Lamarckia aurea John C. Roos 1952-4-2 5462 Riverside Box Springs Comment
  RSA715936  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR49265  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0081255  Langloisia setosissima subsp. punctata David B. Dunn, Harold Lint 1955-4-1 11835 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  RSA776334  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2010-4-10 821 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  CSUSB321  Larrea tridentata K. S. Gill 1965-4-17 Riverside White Water Canyon- 5 miles north of Highway 60 in Colorado Desert. 609 Comment
  RSA33309  Larrea tridentata N. C. Cooper 1943-10-3 942 Riverside Whitewater Canyon. Riverbank 762 Comment
  UCR131823  Larrea tridentata Jennie Phui 1998-5-30 024 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR260355  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA390026  Larrea tridentata Anstruther Davidson 1893-03 s.n. Riverside [Unspecified] 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
  SEINET6083065  Lasthenia californica Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA0069665  Lasthenia coronaria Cheryl Sevilla, Sarah J. De Groot 2015-2-18 13 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  UC1536902  Lasthenia coronaria G. H. True 1935-3-14 103 Riverside Goulan Hills Comment
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Dec 12 2011
  UCR97899  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR191543  Lasthenia glabrata subsp. coulteri A. C. Sanders 2008-4-15 34890 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 383 Comment
  POM361559  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA501051  Lasthenia gracilis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3170 C Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR20786  Lasthenia gracilis A. C. Sanders, Steve Boyd 1980-5-2 1402 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM12943  Lathyrus vestitus subsp. laetiflorus P. A. Munz, I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  RSA501002  Lathyrus vestitus subsp. laetiflorus Steve Boyd, Tim S. Ross, Laurel Arnseth, Bob Boyd 1989-4-1 3121 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  POM294111  Layia glandulosa Lyman Benson 1946-4-15 12018 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  CAS-BOT-BC379627  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles north of Elsinore Comment
  JEPS29302  Layia platyglossa Rimo Bacigalupi and L. Heckard 1962-3-25 8397 Riverside at e base of the Santa Ana Mountains about 5 mi se of Corona; Bedford Canyon Comment
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA5025  Layia platyglossa subsp. campestris Dorothy R. Wolf 1932-3-20 25 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  RSA524409  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4100 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD140146  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-5 13683 Riverside Western edge of Hemet, along south side of Devenshire Avenue between Old Warren and Warren Roads, south west of Tres Cerritos and north of Flo 459 Comment
  UCR91886  Lepidium dictyotum var. acutidens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18056 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR79366  Lepidium dictyotum var. dictyotum Steve Boyd, T. S. Ross 1992-4-1 6773 Riverside Peninsular Range, Temecal Canyon, terrace escarpments betwee Indian and Horsethief Washes along DePalma Road. 412 Comment
  CAS-BOT-BC154109  Lepidium fremontii N. Aitkenhead 1977-2-2 s.n. Riverside S-O line SW of radio tower top of Chuckwalla Mnts. Comment
  RSA485839  Lepidium fremontii T. S. Elias 1988-2-26 10677 Riverside Joshua Tree National Monument, Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  UCR104029  Lepidium lasiocarpum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2714 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  POM98996  Lepidium lasiocarpum E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  UCR280924  Lepidium lasiocarpum subsp. lasiocarpum Fred M. Roberts 2016-3-5 7992 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  UCR20842  Lepidium latifolium A. C. Sanders 1980-5-13 01454 Riverside SE edge of Riverside. In Mockingbird Creek near where it crosses Van Buren Blvd. 366 Comment
  RSA516883  Lepidium nitidum Steve Boyd 1986-3-1 1368 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA653672  Lepidium pinnatifidum A. C. Sanders, K. C. Rose 1999-6-18 22823 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  POM96474  Lepidium virginicum var. pubescens P. A. Munz 1926-4-30 10377 Riverside Alberhill Comment
  POM361783  Lepidospartum squamatum N. C. Cooper 1943-10-3 938 Riverside Whitewater Canyon. Comment
  SFV17213  Lepidospartum squamatum J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UC1303125  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside 1/2 mi above bridge on the Banning to Indio road; Whitewater wash. 365 Comment
  RSA0106416  Lepidospartum squamatum Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed between Riverside Ave & Market St. Bridge. Comment
  UCR113242  Leptochloa filiformis Mitch Provance 2000-9-11 2242 Riverside Jurupa Hills, Sunnyslope, 0.4 miles NW of Armstrong Rd. on Sierra Blvd. 305 Comment
  CLARK-A1528-4712  Leptochloa uninervia John C. Roos 1965-9-5 Riverside Blythe Comment
  UCR2518  Leptochloa uninervia F. M. Reed 1926-5-15 5342 Riverside Peninsular Range; Perris/Aguanga Basin Region, Menifee Valley, west of Menifee schoolhouse [which was at corner of corner of Newport and Bradley Roads] 457 Comment
  CLARK-A1528-721  Leptodactylon californicum Larry Cohen 1969-5-10 Riverside 655 Comment
  JOTR30239  Leptosiphon aureus subsp. aureus Leary, C. and Leary, Pat 1979-5-5 2987 Riverside Joshua Tree National Park. At the end of the Lower Covington Flats road, Joshua Tree National Monument Comment
  RSA627523  Leptosiphon ciliatus Scott D. White, Julie Greene 1998-8-1 6975 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  SD227874  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation, side canyon E of Middle Branch Millard Canyon (Cabazon 7.5' Q) 1280 Comment
  UCR281227  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 47 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  JEPS20574  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA781835  Leymus condensatus Michael Wall 2011-8-5 611 Riverside Along Bautista Canyon Rd., confluence of unnamed canyon ca. 1.5 miles SE of jct. with Fairview Ave. 629 Comment
  UC38169  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  RSA179523  Leymus triticoides E. W. Lathrop 1960-6-6 4847 Riverside 14 miles W. of Murrieta. Comment
  UCD87572  Leymus triticoides H. M. Hall 1904-5-19 4959 Riverside Fairmount Park. 243 Comment
  RSA627508  Lilium parryi Scott D. White, Julie Green 1998-8-1 6978 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  UCR224311  Limonium sinuatum Justin M. Wood, Jamie Miner 2010-5-12 1680 Riverside Santa Ana Canyon, Santa Ana River, c. 0.75 mi downstream of Prado Dam, just northeast of Green River housing estate 137 Comment
  UCR21922  Linanthus androsaceus Steve Boyd 1980-4-8 105 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC604858  Linanthus aureus subsp. aureus Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9528 Riverside 2 mi from Cottonwood Springs; Cottonwood Mts. Comment
  RSA783373  Linanthus ciliatus J. D. Olmsted 1959-6-23 664 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild 1646 Comment
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  SEINET6692571 Image available Linanthus dianthiflorus Bonnie C. Templeton 1930-4-9 1010 Riverside Near Banning., Colorado Desert 400 Comment
  SEINET11266059  Linanthus floribundus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 409 Riverside San Bernadino Mtns. Foothills; Morongo Indian Reservation, upper Millar Canyon, north of Cabazon (Cabazon 7.5' Q.); 0 1098 Comment
  UC880279  Linanthus floribundus subsp. glaber P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  UCR50990  Linanthus jonesii B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 0603 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  UCR154458  Linanthus lemmonii Jason L. Hlebakos 2005-5-30 808 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR177640  Linanthus lemmonii S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  JEPS58471  Linanthus liniflorus Carl V. Meyer 1929-6-18 765 Riverside Hemet Valley; lower part Comment
  CLARK-A1528-3482  Linanthus nuttallii subsp. floribundus John C. Roos 1962-5-19 Riverside Santa Ana Mountains Comment
  UCR41453  Linaria bipartita B. G. Pitzer 1986-2-22 0017 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  UCR116851  Linaria canadensis var. texana A. C. Sanders, Steven R. Hill 2001-5-4 24142 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  CAS-BOT-BC401085  Loeseliastrum matthewsii Sarah J. De Groot; April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley 396 Comment
  RSA750716  Loeseliastrum matthewsii R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53588 -b Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SD173064  Loeseliastrum matthewsii Juergen Schrenk 2006-5-7 51 Riverside Anza Borrego Desert State Park, Pacific Crest Trail ca. 2 miles W of Coyote Canyon. (IPB 4/07) 1050 Comment
  UC106720  Loeseliastrum matthewsii T. S. Brandegee 1892-5-14 Riverside Whitewater Comment
Read comments
Jan 14 2010
  RSA468347  Loeseliastrum schottii Robert M. Perkins 1937-3-15 376 Riverside West of blythe. Comment
  JEPS33559  Logfia filaginoides W. L. Jepson 1928-4-19 12428 Riverside hills 5 mi n Elsinore 609 Comment
  RSA691965  Logfia filaginoides Scott D. White 2001-4-18 8359 B Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCD134141  Logfia filaginoides J. C. Roos 1952-4-9 5510 Riverside southeast face Mt. Rubidoux, Riverside. 335 Comment
  SD137889  Logfia gallica Darin L. Banks, Steve Boyd 1995-5-9 334 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
Read comments
Apr 15 2009
  UCR243130  Logfia gallica Kate Kramer 2012-5-8 256 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  SEINET251732 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -3 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  RSA595327  Lolium perenne D. L. Banks, Victor Steinmann 1996-4-20 0877 B Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  RSA234069  Lolium temulentum R. F. Thorne, E. Lathrop 1969-5-19 37982 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  RSA586134  Lomatium lucidum D. L. Banks 1995-4-11 177 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 829 Comment
  POM13704  Lomatium mohavense subsp. longilobum P. A. Munz, I. M. Johnston 1922-5-21 5501 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UCR193966  Lonicera subspicata A. C. Sanders 2008-7-25 35920 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR201460  Lonicera subspicata Scott D. White, Justin M. Wood 2008-7-10 12448 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA406124  Lotus argophyllus var. argophyllus N. R. Zabriskie, Walter M. Zabriskie 1973-4-6 628 Riverside South side of stream, Andreas Canyon, E slope San Jacinto Mountains 366 Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  UCR209402  Lotus crassifolius var. crassifolius Fred M. Roberts, Robt. L. Allen 2008-6-23 7052 Riverside Santa Ana Mountains, Santiago Peak, east slope, Main Divide Truck Trail, 0.7 km northeast of summit 1580 Comment
  UCR17301  Lotus grandiflorus Tim Robertson 1971-5-14 s.n. Riverside San Jacinto Mtns, graded turnout areas on Hwy 74, midway between Valle Vista and Mountain Center. Comment
  RSA585881  Lotus hamatus D. L. Banks, Peter Morrell 1995-5-4 0315 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground,, on Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 536 Comment
  UCR174115  Lotus hamatus A. C. Sanders, T. B. Salvato 2006-6-2 33085 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  UCR17999  Lotus heermannii Steve Boyd 1979-12-16 791216 04 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon 2.5 mi north of I-10 Comment
  UCR158263  Lotus humistratus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30115 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR228851  Lotus humistratus A. C. Sanders 2011-4-26 39327 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  RSA219224  Lotus oblongifolius C. W. Tilforth, John Dourley 1970-10-16 318 Riverside Along road to Santa Rosa Mtn. Comment
  JEPS55729  Lotus oblongifolius var. oblongifolius W. L. Jepson 1903-8-6 2258 a Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  UC864848  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  UC80895  Lotus purshianus var. purshianus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountain Comment
  UCR122769  Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3376 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  RSA639647  Lotus salsuginosus var. brevivexillus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52027 Riverside Chino Canyon. Comment
  UC1595587  Lotus salsuginosus var. salsuginosus Steve Boyd and Orlando Mistretta 1991-5-9 6177 Riverside on ridge between Bedford Canyon and McBribe Canyon (lower flank of range along the Bedford Truck Trail); Santa Ana Mountains 548 Comment
  CSUSB1258  Lotus scoparius Leland E. Francois 1966-3-27 32766 2 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  HSC85457  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  JOTR31054  Lotus strigosus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2037 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA512134  Lotus strigosus Ed LaRue, A. C. Sanders 1989-4-21 s.n. Riverside Moreno Valley ca. 1 mi. S of Hwy 60 on Nason Street adjacent to W side of Nason S of Dracaea Ave. Comment
  UCR113166  Lotus strigosus A. C. Sanders 1998-3-11 21677 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR234803  Lotus strigosus Jim Andre, Glenn L. Clifton 2011-2-22 17474 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR96812  Lotus strigosus Scott D. White 1993-3-12 1182 Riverside Near Winchester 466 Comment
  RSA49170  Lotus tomentellus P. A. Munz 1949-4-13 13063 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UC1929852  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  POM12767  Lupinus arizonicus P. A. Munz, D. D. Keck 1922-4-9 4809 Riverside Shavers Well, near Mecca. 76 Comment
  POM349961  Lupinus arizonicus C. P. Smith 1936-1 2167 Riverside West side of Colorado Desert. -30 Comment
  RSA510034  Lupinus arizonicus B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 603 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
  RSA644185  Lupinus arizonicus George K. Helmkamp 1995-3-16 s.n. Riverside Colorado Desert: below rocky slopes of Coxcomb Mtns., W of Rice Rd., 10.3 miles NE of Desert Center. 200 Comment
  SBBG19617  Lupinus arizonicus D. Emery 1957-3-30 Riverside Hwy 74, just above Palm Desert Comment
  SBBG3528  Lupinus arizonicus K. K. Muller 1952-4-6 560 Riverside E of Shaver Summit Comment
  UCR89579  Lupinus arizonicus George K. Helmkamp 1994-3-8 41 14 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  SBBG47453  Lupinus concinnus N. C. Cooper 1944-6-17 1434 Riverside W side of San Jacinto Mtn 1371 Comment
  POM12635B  Lupinus densiflorus var. densiflorus Philip A. Munz 1922-4-30 5102 Riverside Dripping Spring near Temecula Creek. Comment
  UC489156  Lupinus excubitus C. V. Meyer June 1927 166 Riverside San Jacinto Mts. 1737 Comment
  SFV20142  Lupinus excubitus var. austromontanus J. N. Hogue, J. M. Wrublik 2000-5-30 153 .2 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  RSA5027  Lupinus excubitus var. hallii Carl B. Wolf 1932-3-20 27 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  RSA594769  Lupinus hirsutissimus D. L. Banks, Dylan Hannon 1996-5-3 0995 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR60538  Lupinus microcarpus C. W. Tilforth, W. Wisura 1979-5-23 1806 Riverside Santa Ana Mtns., Santa Rosa Plateau, Murrieta to De Luz road, c. 2 air mi. south of Murrieta 335 Comment
  JEPS65100  Lupinus microcarpus var. densiflorus W. L. Jepson 1901-5-17 1248 Riverside San Jacinto Valley lands at Florida; San Jacinto Valley, Valley Lands at Florida Comment
  SBBG98278  Lupinus sparsiflorus E. K. Balls 1949-4-2 12895 Riverside Hwy 111 between Mecca and Mortmar -60 Comment
Read comments
Jun 24 2012
  UCR103278  Lupinus sparsiflorus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3585 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM12771  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-14 4996 Riverside Mouth of Whitewater Creek 244 Comment
  RSA613469  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1452 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
  SD133082  Lupinus truncatus Scott White 1991-5-10 91 148 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  SD237445  Lupinus truncatus T. B. Salvato, Matt MallA^, Tim Searl 2011-4-19 5165 Riverside Peninsular Range: Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 (Alberhill 7.5'Q) 462 Comment
  UC1979644  Lupinus truncatus Steve Boyd, D. L. Banks 1995-4-5 8427 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west off the lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  UCR120205  Lupinus truncatus Mitch Provance 1998-3-5 195 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR270392  Lupinus truncatus John F. Emmel 1998-5-2 1545 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.8 road mile SE of national forest boundary 729 Comment
  POM13933  Lycium andersonii Philip A. Munz 1922-3-12 4710 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA0046718  Lycium andersonii Jim Andre 2014-1-27 26654 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR100785  Lycium andersonii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR103780  Lycium barbarum Scott D. White 1994-10-21 2506 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UC884612  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  CAS-BOT-BC231641  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canon [Canyon], Colorado Desert Comment
  UC103834  Lycium torreyi E. Palmer, M. D. Mar 1876 425 Riverside Valley of the Colorado Comment
  RSA535484  Lythrum californicum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6632 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  SD187433  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR55266  Lythrum hyssopifolia L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  UCR199720  Machaeranthera canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10668 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA585728  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0392 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  POM12800  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp 1524 Comment
  UCR250109  Malacothamnus densiflorus A. C. Sanders 2014-4-9 41006 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  CSUSB1447  Malacothamnus fasciculatus Karen Cook 1966-5-19 Riverside North-facing slope at foot of Mount Rubidoux, in Riverside. 243 Comment
  CAS-BOT-BC345284  Malacothrix californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  RSA180425  Malacothrix clevelandii E. W. Lathrop 1965-5-9 5246 Riverside 6 miles W of Murrieta. Comment
  RSA673873  Malacothrix clevelandii Scott D. White 2000-5-27 7939 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  JOTR35039  Malacothrix glabrata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3492 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  SEINET3082467 Image available Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 airline miles S of Hwy I-10. 487 Comment
  UC831146  Malacothrix glabrata Ivan Johnston Apr 4 1917-Apr 6 1917 1004 Riverside Mouth of Palm Canyon Colorado Desert Comment
  UCR135999  Malacothrix glabrata Virginia Moran 2003-3-26 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
  UCR165827  Malacothrix glabrata 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
  UCR12641  Malacothrix saxatilis Paul Lamos 1972-4-20 042072- 0301 Riverside 2 mi SW hwy 60 on Jack Rabbit trail 610 Comment
  POM114622  Malacothrix stebbinsii A. M. Alexander, Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms 1311 Comment
  UC667301  Malacothrix stebbinsii Annie M. Alexander and Louise Kellogg 1941-4-27 2095 Riverside Joshua Tree Monument Joshua Tree Monument (Riverside and San Bernardino Counties) 1310 Comment
  RSA543128  Malosma laurina Steve Boyd 1991-3-17 5470 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
  UC1042990  Malosma laurina John and Lucille Roos 1954-7-10 6191 Riverside n. side Pigeon Pass; Box Springs Mts. 487 Comment
  UCSB45543  Malva parviflora Roos, John; Roos, Lucille 1951-5-5 Riverside Fairmont Park, Riverside Comment
  UCR92234  Marah macrocarpa var. macrocarpa D. L. Banks, Steve Boyd 1995-3-30 0131 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  JOTR16700  Marina parryi Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR28792  Marina parryi La Doux, Tasha 2005-3-30 1061 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR29085  Marina parryi La Doux, Tasha 2005-3-30 1202 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SBBG53735  Marina parryi C. Epling, H. Lewis 1941-5-2 Riverside Corn Spring, Chuckawalla Mtns Comment
  UCR148309  Marina parryi John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  CAS-BOT-BC71092  Marsilea vestita John Thomas Howell 1930-5-10 4777 Riverside March Field Comment
  SD240893  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range: Perris-Aguanga Basin Region; Romoland, McLaughlin Road, east of Palomar Road, near powerplant and railroad (Romoland 7.5'Q) 445 Comment
  SD152791  Meconella denticulata Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon, along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  UCR78096  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  CDA4189  Medicago lupulina Steve Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA552741  Medicago polymorpha Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6673 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCD66801  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Colorado Desert, Murray Canyon. 457 Comment
  CAS-BOT-BC281606  Melica imperfecta Steve Boyd; et al. 1990-4-3 4103 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mt, just S of the E summit 701 Comment
  OBI74467  Melica imperfecta David J. Keil 1983-4-15 16895 Riverside E of Temecula on SR79 Comment
  RSA571861  Melica imperfecta Christopher Davidson 1977-5-18 5622 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  UCR128559  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23905 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
  UCR164285  Melica imperfecta S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA500170  Melilotus albus Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3657 Riverside Vail Lake area, disturbed area at base of dam, head of Temecula Creek Cyn. 457 Comment
  SD126627  Melilotus indicus Ed LaRue 1989-4-21 129 Riverside Moreno Valley, University of California agricultural experimental farms, 0.5 mile south of Alessandro Blvd at northeast corner of Cactus Avenue and Nason Street. Comment
  RSA440354  Mentzelia affinis H. M. Hall 1905-04 5766 Riverside Cathedral Canyon 91 Comment
  UCR244388  Mentzelia albicaulis Jim Andre 2012-4-16 20969 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  POM14007  Mentzelia involucrata P. A. Munz, D. D. Keck 1922-4-9 4827 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA440414  Mentzelia involucrata H. M. Hall 1905-04 5803 Riverside 8 miles W of Indio Comment
  UC217974  Mentzelia involucrata P. A. Munz, D. Keck 1922-4-13 4940 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  SD62566  Mentzelia longiloba var. longiloba W. D. Asserson Mar 1966 Riverside Big Maria Mountains, Point, Quien Sabe, 20 miles north of Blythe 149 Comment
  UC336437  Mentzelia tricuspis J. G. Lemmon Apr 1876 258 Riverside Colorado Desert, White-water Comment
  JOTR33956  Mentzelia veatchiana La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2842 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
  RSA395915  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavalin Hills-Gavalin Hills: Harford Springs Co. Park. Comment
  UCD117398  Mentzelia veatchiana Geoffrey Levin 1975-4-26 488 Riverside Mayhew Canyon, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR241676  Mercurialis annua O. F. Clarke 2010-5-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA543843  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 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
  UC2029930  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10406 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. Comment
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  UCR225447  Microseris heterocarpa A. C. Sanders 2011-3-29 38837 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  UCR156373  Microseris lindleyi T. B. Salvato, Kent Beaman 2005-5-16 875 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
  CHSC26267  Mimetanthe pilosa Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  JOTR01209  Mimulus aurantiacus Moran, Reid 1941-5-5 845 Riverside Joshua Tree National Park. EAST OF QUAIL SPRING 396 Comment
  UC26700  Mimulus aurantiacus var. pubescens H. M. Hall June, 1901 2077 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UCR139153  Mimulus aurantiacus var. pubescens S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  CLARK-A1528-4233  Mimulus bigelovii John C. Roos 1947-2-15 3260 Riverside Hayfield Comment
  RSA420956  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon 91 Comment
  SEINET187379  Mimulus bigelovii var. bigelovii P. A. Munz 1940-3-23 15719 Riverside 3 mi N of Cottonwood Springs Eagle Mts 914 Comment
  UC56260  Mimulus bigelovii var. bigelovii H. M. Hall 1902-4-11 2804 Riverside Coyote Canyon, w borders of desert Colorado Desert 137 Comment
  RSA68348  Mimulus brevipes G. R. Campbell 1951-5-30 16158 Riverside 9 miles west of Anza. 1067 Comment
  UCR127360  Mimulus brevipes A. C. Sanders, D. Malueg 2003-5-8 26565 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
  RSA589078  Mimulus cardinalis D. L. Banks, S. D. Boyd 1995-10-17 789 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA570551  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  RSA0014937  Mimulus fremontii var. fremontii LeRoy Gross, Evan Meyer 2013-5-21 6122 Riverside 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 [coordinates given.] 1631 Comment
  CSUSB947  Mimulus guttatus Linda Stangor Riverside Santa Ana River Santa Ana River bottom, near old railroad bridge. Comment
  SEINET3078510 Image available Mimulus guttatus Ronald H Sauer 1965-4-21 s Riverside In the drainage ditch by the large black walnut at the base of hill of road to green houses, U.C.R. campus 366 Comment
  UCR133108  Mimulus guttatus 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
  UCR35254  Mimulus guttatus L. B. Ziegler 1968-7-17 330 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley). Valley floor; meadowy region near Lake Hemet 1357 Comment
  JEPS10766  Mimulus inodorus W. L. Jepson 1903-8-8 2300 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  CLARK-A1528-4258  Mimulus longiflorus John C. Roos 1937-5-2 1400 Riverside La Sierra Comment
  CSUSB915  Mimulus longiflorus Steve G. Nelson 1974-5-22 Riverside Box Spring Mountains Box Springs Mountains. Found at edge of rock outcrop 457 Comment
  JOTR30252  Mimulus pilosus Leary, C. and Leary, Pat 1979-5-6 3032 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  RSA564286  Mimulus pilosus Jack Easton 1993-5-27 s.n. Riverside Murietta Oaks, 3.0 miles (airline) NW of Murrieta Hot Springs. W side of Highway 215. 451 Comment
  UC1518762  Mimulus pilosus Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38098 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  JEPS24631 Image available Mimulus rattanii John Thomas Howell 1931-5-30 6613 Riverside Santiago Peak Santa Ana Mts. Comment
  RSA719779  Mimulus suksdorfii Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1736 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA593800  Minuartia pusilla Jeri Hirshberg 1995-5-19 272 Riverside San Jacinto Mountains, Garner Valley. Comment
  UCR121350  Mirabilis albida A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24611 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA770933  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4960 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UC917853  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona Comment
  POM91014  Mirabilis laevis var. crassifolia E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  RSA0027989  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 63 Riverside Flat field south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  POM121880  Mirabilis laevis var. retrorsa Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  POM14052  Mirabilis laevis var. retrorsa P. A. Munz, D. D. Keck 1922-4-14 5008 Riverside East of Whitwater Ranch 213 Comment
  RSA113272  Mirabilis laevis var. retrorsa E. K. Balls 1955-4-1 20416 Riverside Hwy 74, 10.2mi, S from jct. of Hwy. 111 to Palm Springs 915 Comment
  RSA464244  Mirabilis laevis var. retrorsa Christopher Davidson 1980-4-4 9939 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  NY43171  Mirabilis multiflora var. pubescens J. B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  JOTR33998  Mohavea confertiflora La Doux, Tasha, M. Harding 2010-4-7 2886 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  POM308421  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3099 Riverside 10 miles east of Indio. Comment
  RSA0031616  Mohavea confertiflora Jim Andre 2013-3-27 24812 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UCR112401  Mohavea confertiflora A. C. Sanders, T. B. Salvato 2000-5-16 23390 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  SEINET12345268  Mohavea confertiflora S. B. Parish, Parish, W. F. 1881-1 209 Riverside Whitewater Comment
  JOTR32601  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  CAS-BOT-BC220030  Monardella breweri subsp. lanceolata H. M. Hall 1901-7-1 2527 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC220032  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 s.n. Riverside Jarupa [Jurupa] Hills Comment
  RSA801725  Monardella breweri subsp. lanceolata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6166 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  LA62720  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  POM259259  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  PASA1143  Monardella macrantha var. longiloba Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 2224 Comment
  CAS-BOT-BC215499  Monardella nana H. E. McMinn 1925-7-2 1493 Riverside Trail to Tahquitz Peak from Idylwild 2133 Comment
  LA96070  Monardella nana Elizabeth McClintock; 1941-5-31 44 Riverside 5 mi from turn off tp Anza Tablet Comment
  LA96079  Monardella nana Carl Epling; 1942-6-17 sn Riverside Santa Rosa Mountains, Vandeventer Flat, on Pines to Palms Hwy Comment
  UC1499809  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  UC1499831  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside trail to Hidden Lake (along switchbacks); San Jacinto Mts. Comment
  UC25483  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-17 691 Riverside e Strawberry Valley; San Jacinto Mts. 1828 Comment
  UCR23122  Monardella nana subsp. tenuiflora Jeanine Derby 1978-6-9 s.n. Riverside San Jacinto Mtns, SE of Lake Fulmor parking lot. Comment
  CAS-BOT-BC349808  Monoptilon bellioides LeRoy Abrams 1903-4-6 3210 Riverside Palm Springs Station Comment
  UC672207  Monoptilon bellioides H. L. Mason 1928-3-10 4245 Riverside road from Indio to Palm Springs Comment
  SEINET10800999  Monoptilon bellioides David B. Dunn 1946-3-17 Dunn 2086 Riverside Very sparse specimens gathered over about 5 areas of ravine and plateau east of Palms. Pushawalla Canyon. Indio Hills. Comment
  UC852064  Montia fontana P. A. Munz 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  SEINET10599983  Muhlenbergia microsperma Charles L. Hitchcock 1940-4-2 Hitchcock 5915 Riverside In rocks, Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR178011  Muilla maritima T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 609 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR208174  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside Perris-Aguanga Region, 2 miles south of Lake Elsinore along boulevard 366 Comment
  SEINET3830468  Myriophyllum spicatum G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-1 10333 a Riverside Private. Canal two mile north of Blythe. 70 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
  UC217897  Nama P. A. Munz, D. Keck 1922-4-13 4931 Riverside Hayfields Colorado Desert, Chuckawalla Valley, Hayfields (Chuckawalla Valley, Colorado Desert, dry basin) 152 Comment
  UCR140955  Nama demissa June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  RSA484101  Nassella cernua N. C. Cooper 1944-5-6 1174 Riverside Banning. 701 Comment
  UC188932  Nassella cernua Fred M. Reed 1903-12-13 219 Riverside Bluffs Ranch Riverside; <Bluffs Ranch on Arroyo Tequesquite, terrace at S end> Comment
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Apr 30 2011
  CAS-BOT-BC259970  Nassella lepida C. L. Hitchcock; C. V. Muhlick 1964-3-17 23075 Riverside 8 miles SE of Corona, along road to Elsinore Comment
  CAS-BOT-BC259972  Nassella lepida H. Haid 1968-5-19 s.n. Riverside San Jacinto Mountains: Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCD87874  Nassella lepida Peter Kamb 1948-2-1 798 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. Upper Sonoran Zone. 304 Comment
  LA102250  Navarretia atractyloides John C. Roos; 1950-5-27 4818 Riverside NE summit of Reche Canyon 761 Comment
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  UCR92336  Navarretia atractyloides Scott D. White, M. D. Wilcox 1995-7-13 3476 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA623557  Navarretia fossalis R. E. Riefner 1998-10-15 98 -520 Riverside Menefee-Paloma Valley Comment
  LA207124  Nemacaulis denudata var. gracilis H. L.; 1935-4-6 sn Riverside Palm Springs 152 Comment
  UC29161  Nemacladus longiflorus var. longiflorus H. M. Hall Jun 1901 2047 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UC218060  Nemacladus orientalis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4852 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  POM11654  Nemacladus ramosissimus P. A. Munz 1922-5-21 5503 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
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Mar 25 2011
  SEINET3417797  Nemacladus ramosissimus Andrew C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30061 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  RSA0120629  Nemacladus tenuis var. aliformis Duncan S. Bell, Thomas Stoughton 2016-3-16 8951 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA799238  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  RSA0037196  Nemophila menziesii Tamara Joy Hanna 1991-5-12 29 Riverside Area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  POM98160  Nicotiana bigelovii var. wallacei Philip A. Munz 1925-5-20 9852 Riverside 2 mi. east of Aguanga. Comment
  UCR90973  Nicotiana glauca Scott D. White 1996-2-18 3805 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  SEINET7882515 Image available Nicotiana glauca Jean Coulson 1959-1 175 Riverside U.C.R. Campus, Riverside County, Calif. E. of garden behind Agricultural Extention Bldg. in rock out-crop. 1 Comment
  JOTR38662  Nicotiana obtusifolia Hodges, Stephen R. 2017-2-1 668 Riverside Joshua Tree National Park. Eagle Mountains, just inside the park boundary on the road to Pinto Wells Comment
  OBI2986  Nicotiana obtusifolia Lewis S. Rose 1967-12-19 67182 Riverside La Quinta 15 Comment
  RSA659516  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  UCR104846  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA0018755  Nicotiana obtusifolia Kraemer 1929-3-17 s.n. Riverside S. La Quinta. Comment
  RSA0060153  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC76178  Nicotiana quadrivalvis Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA0020228  Nicotiana quadrivalvis R. S. Woglum 1937-5-22 532 Riverside Anza, Cahuilla Valley. Comment
  UCR119272  Oenothera biennis Mitch Provance 1998-6-11 658 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  IRVC26251  Oenothera californica A. C. Sanders, D. Malueg 2003-5-8 26562 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  RSA162850  Oenothera californica J. D. Olmsted 1959-4-21 447 Riverside Along roadside at intersection of Archibald Ave U.S 60. 2 mile W of Jurupa Hills to Santa Ana River 259 Comment
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Jun 3 2013
  RSA355279  Oenothera californica subsp. californica N. C. Cooper 1949-6-29 4306 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SEINET10492362  Oenothera decorticans David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3703 Riverside Leaving dry spike. Pushawalla canyon growing in the wash, indio hills, colorado desert. Comment
  RSA779628  Oenothera deltoides Duncan S. Bell 2010-4-1 44222 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  POM355582  Oenothera deltoides subsp. deltoides E. C. Jaeger 1922-4-5 721 Riverside Desert Center, Chuckwalla Valley. 366 Comment
  CLARK-A1528-5707  Oenothera dentata John C. Roos 1937-4-18 1365 Riverside Cabazon Comment
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Jun 24 2020
  RSA192047  Oenothera elata subsp. hirsutissima H. A. Zuill 1966-6-23 240 Riverside De Luz Road about 9 miles SW of Murrieta. Comment
  RSA652333  Oenothera elata subsp. hirsutissima T. Sargent 1959-5-22 s.n. Riverside S. of Temecula (Hghy. 395.) ? Comment
  UCR172149  Olea europaea A. C. Sanders 2006-5-11 32267 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  JEPS25897  Oligomeris linifolia E. E. Schellenger April 1920 Riverside canyon e Coachella; Colorado Desert Comment
  UCR166850  Oligomeris linifolia 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
  POM348469  Olneya tesota Anstruther Davidson 1928-05 s.n. Riverside Colorado Desert. Comment
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Dec 14 2015
  UC212341  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Cottonwood Springs; Colorado Desert Comment
  UCD108100  Olneya tesota T. B. Salvato; A. C. Sanders, Mitch Provance 2000-4-18 49 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
  CDA7540  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. Comment
  RSA666778  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Romoland, onramp to Hwy 215 from Hwy 74, just east of 215. 434 Comment
  RSA355169  Opuntia chlorotica A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6462 Riverside Pinyon Flats, Santa Rosa Mountains, ca. 0.1 mi. S of Hwy 74 on the road to the refuse transfer station and the dolomite mine, S of campground. 1220 Comment
  SEINET6044361  Opuntia chlorotica Unknown 1996-7-2 4268 Riverside San Jacinto & Santa Rosa Mnts. Pinyon Flat Area. North of Highway 74 ca 10 road miles east of jct. with Hwy 371. West facing slope. Comment
  UCD170242  Opuntia chlorotica K. M. Meyer; A. Townesmith 2007-3-19 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  SBBG87607  Opuntia phaeacantha A. C. Sanders, B. Parfitt, R. Anthony 1986-4-21 6464 Riverside rocky N-facing slope near the mouth of Hamilton Crk Cyn, 2.6 mi E of Anza Post Office on Hwy 371 Comment
  POM317695  Opuntia vaseyi Lyman Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  UCR48211  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47312 Riverside Santa Rosa Plateau, Santa Ana Mtns., Rancho California, Mesa de Burro 610 Comment
  UC1401346  Oreostemma alpigenum var. andersonii David B. Dunn 1946-8-17 2693 Riverside Taquitz Valley, meadow area near stream San Jacinto Mts., Tahquitz Valley 2438 Comment
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May 24 2012
  UCR241503  Orobanche cooperi A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40632 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA0078559  Orobanche parishii Robert F. Thorne, C. W. Tilforth 1980-5-28 54165 Riverside San Bernardino Mts: Colorado Desert. At E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. Comment
  CLARK-A1528-4283  Orthocarpus purpurascens John C. Roos 1947-3-21 3368 Riverside Reche Canyon Comment
  RSA0080081  Oryzopsis hymenoides A. R. Roos 1937-4-18 s.n. Riverside Snow Creek. Comment
  CLARK-A1528-4778  Oryzopsis miliacea John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  SD136900  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Cyn about Potrero Escondido due west of junction Tenaja and Los Alamos Rds 669 Comment
  OBI32754  Osmorhiza brachypoda E. W. Lathrop 1966-3-30 6124 Riverside Plants of Santa Ana Mts. Trl between El Carriso and Santiago Peak, Cleveland Natl forest 1219 Comment
  RSA192042  Oxalis albicans subsp. californica E. W. Lathrop 1965-4-26 5686 -b Riverside 4 miles southwest of Murrieta. Comment
  SD116585  Oxytheca emarginata Barbara Ertter, Jeffrey Strachan 1980-5-21 3480 Riverside Santa Rosa Mt Road (Forest Road 7S02) 4.5 miles south of Highway 74 (Pines to Palms Highway), 1829 Comment
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR194205  Ozothamnus diosmifolius Scott D. White, J. Wood 2007-4-16 11650 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  RSA228806  Paeonia californica Colin M. Wainwright 1972-2-10 595 Riverside Santa Rosa Plateau, 9 miles SW of Murrietta near Forest Route 7S01, near Tenaja Ranger Str. 671 Comment
  RSA495437  Paeonia californica Steve Boyd 1989-3-12 2964 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  UCR138812  Paeonia californica D. L. Banks, J. Moreno 1997-2-5 1260 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  CAS-BOT-BC327943  Palafoxia arida J. Beley 1974-2-21 0431 Riverside Halfway between 195 and Cactus City. Comment
  CDA8433  Palafoxia arida G. D. Barbe, T. C. Fuller 1973-2-27 1043 Riverside West side of Coachella Canal, 5 miles east of Mecca on Highway 195, mouth of Box Canyon Wash. 0 Comment
  SBBG65761  Palafoxia arida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SEINET4344932 Image available Palafoxia arida var. arida Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UCSB9918  Palafoxia arida var. arida Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70, in a Colorado Desert dry wash Comment
  UCR3744  Panicum capillare O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  CAS-BOT-BC540738  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot; Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  JOTR35018  Panicum hirticaule subsp. hirticaule La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3116 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  CLARK-A1656-857  Panicum urvilleanum Jon Mark Stewart 1983-9-26 83-35 Riverside Coachella Valley 85 Comment
  UCR49218  Parietaria hespera var. californica Steve Boyd 1986-4-2 1596 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM14163  Parietaria hespera var. hespera Philip A. Munz, D. D. Keck 1922-4-9 4783 Riverside Vicinity of Corn Springs, Chuckwalla Mountain, Colorado Desert. 457 Comment
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Apr 5 2011
  UC217969  Parietaria hespera var. hespera P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4783 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR111981  Parkinsonia florida A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23368 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella 24 Comment
  UCR24743  Parkinsonia florida N. R. Zabriskie, Harold J. Ryan 1970-4-27 283 Riverside Sonoran (Colorado) Desert, Boyd Deep Canyon Research Center near Palm Desert 213 Comment
  POM192451  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  RSA778527  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 628 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  UCR90758  Pectocarya anisocarpa Scott D. White 1995-4-5 2740 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  CLARK-A1528-2247  Pectocarya heterocarpa John C. Roos 1966-3-20 Riverside Comment
  JEPS20707  Pectocarya heterocarpa Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13251 Riverside 11.3 mi n Blythe; US Hwy 95 Comment
  POM36803  Pectocarya heterocarpa P. A. Munz 1932-3-14 11993 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM8540  Pectocarya heterocarpa Mary F. Spencer 1920-4-9 115 Riverside In desert sand. Palm Springs. 122 Comment
  UCR155081  Pectocarya linearis A. C. Sanders, Kelly Volansky 2005-3-17 29222 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
  UCR256745  Pectocarya linearis T. B. Salvato, Matthew Malle 2013-4-11 7534 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UCR42446  Pectocarya linearis D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  JOTR35926  Pectocarya penicillata De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA676088  Pectocarya penicillata Scott D. White 2001-4-13 8323 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR163141  Pectocarya peninsularis A. C. Sanders, G. K. Helmkamp & P. J. MacKay 1995-3-12 16085 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR42930  Pectocarya recurvata D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  SD39276  Pectocarya setosa Edith A. Purer 1935-4-21 6451 Riverside Pine Valley, Pines to Palms Highway Comment
  UC597695  Pediomelum californicum Philip A. Munz 1937-5-29 15104 Riverside at Public Camp Ground at Nightingale's (on Palms to Pines Highway, Santa Rosa Mts.); Santa Rosa Mts., Nightengale's 1219 Comment
  RSA787609  Pellaea andromedifolia John S. Garth 1944-4-8 1089 Riverside Andreas Canyon. 457 Comment
  UCR265835  Pellaea andromedifolia Mitch Provance 2012-5-24 512- 18 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
  SDSU14026  Pellaea andromedifolia var. andromedifolia Kristin Andrade, Mike Simpson 2002-4-20 7 Riverside 10 feet from observation point on Loop trail at Santa Margarita Ecological Reserve 361 Comment
  JEPS19080  Pellaea mucronata var. mucronata Marjorie D. Clary 1932-3-20 1627 Riverside 10 mi nw of Garnet (Mission Creek); Colorado Desert 457 Comment
  SDSU13338  Pellaea mucronata var. mucronata C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCR82882  Pennisetum setaceum A. C. Sanders, P. J. MacKay 1994-10-23 15848 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  RSA747967  Penstemon californicus Justin M. Wood 2009-5-11 687 Riverside [San Jacinto Mountains:] Garner Valley, Quinn Flat area. 1372 Comment
  RSA750550  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR47791  Penstemon californicus D. C. Michener, W. Wisura 1982-6-8 4052 Riverside San Jacinto Mtns., Slopes on NE side of Garner Valley immediately adjacent to valley floor just NW of the junction of Morris Ranch road & Calif. Hwy 74. Comment
  RSA305628  Penstemon centranthifolius C. W. Tilforth, Walter Wisura 1979-10-10 1915 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley. 1341 Comment
  SD227907  Penstemon centranthifolius Andrew C. Sanders 1994-5-29 14581 Riverside San Bernardino Mountains: East Branch Millard Canyon, along FS Road 4S45. 1200 Comment
  SD229288  Penstemon centranthifolius Dick Schwenkmeyer 2012-6-27 744 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR20544  Penstemon centranthifolius W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  SEINET3079809 Image available Penstemon clevelandii John Adams 1965-5-9 197 Riverside San Jacinto Mountains, 3 mi above Banning on road toward Idyllwild. 1067 Comment
  JEPS7907  Penstemon clevelandii var. connatus Rimo Bacigalupi with L. R. Heckard 1953-5-5 4074 Riverside w slopes of Deep Canyon btw Santa Rosa Mts and San Jacinto Mts, Coachella Valley (along Palms-to-Pines Highway (Calif 74) above Seven Level Hill, mts w side Coachel1a Valley, 1/2-way btw Santa Rosa and San Jacinto Mts) Comment
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Dec 23 2011
  POM11202  Penstemon grinnellii Philip A. Munz 1922-7-8 6062 Riverside Fern Valley 1768 Comment
  JEPS11261  Penstemon labrosus M. French Gilman c. 1918 741 Riverside Mt. San Jacinto Comment
  NY604276  Penstemon labrosus V. E. Grant 1951-7-20 16099 Riverside Idyllwild, San Jacinto Mountains 1645.9 Comment
  POM11257  Penstemon spectabilis Philip A. Munz 1922-6-24 5796 Riverside Pipe Creek, Hemet Valley 1555 Comment
  UCR15978  Penstemon spectabilis K. S. Gill 1965-3-21 49 Riverside Santa Ana Mtns, Tin Mine Canyon at the foot of Skyline Drive, south of Corona 610 Comment
  UCR59687  Penstemon spectabilis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3567 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
  NY661175  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-6 457 Riverside 0.4 mile north of Fulmore Lake on Idylwild to Banning Road Comment
  POM4217  Penstemon spectabilis var. spectabilis Jenkins, Street 1917-5-30 1936 Riverside San Jacinto River. Comment
  RSA502512  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3567 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SD119891  Penstemon spectabilis var. spectabilis Louis B. Ziegler 1972-5-9 453 Riverside San Jacinto Valley, open field 472 Comment
  UC1329888  Penstemon thurberi James E. Cole 1941-6-14 892 Riverside near junction of Queen Wash and Lost Horse Wash (Joshua Tree National Monument); Joshua Tree National Monument 1219 Comment
  RSA93215  Pentachaeta aurea F. W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA0070922  Pentagramma maxonii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10470 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA0070719  Pentagramma triangularis Scott D. White 2001-4-19 8375 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi west of Interstate 215. 442 Comment
  UC21313  Perideridia parishii subsp. latifolia H. M. Hall 1897-8 851 Riverside Tauquitz Valley San Jacinto Mountains (bogs) 2438 Comment
  RSA0034536  Peritoma arborea D. Dunlop 1977-3-21 204 Riverside Desert Hot Springs. Comment
  CAS-BOT-BC73729  Peritoma arborea var. arborea N. Aitkenhead 1977-1-31 2214 Riverside ~1 mi. W. of dillon Rd. - T/L junction in N. Palm Springs Comment
  CAS-BOT-BC73773  Peritoma arborea var. arborea Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC77571  Peritoma arborea var. globosa Steve Boyd 1994-10-14 8402 Riverside Southern Santa Ana Mountains, Santa Rosa Plateau, east of the Tenaja Guard Station of the Cleveland National Forest 670 Comment
  RSA124410  Perityle emoryi P. C. Everett, E. K. Balls 1958-4-29 23014 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  SJSU11661  Perityle emoryi R. C. McGehee 1970-3-5 132 Riverside Corn Springs, Chuckwalla Mts 18 mi SE of Desert Center Comment
  UC1478692  Perityle emoryi Barry Prigge with L. Martinez 1978-3-23 2415 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads); nw Colorado Desert 335 Comment
  UCR260245  Perityle emoryi A. C. Sanders, Jim Malusa 2015-3-10 41387 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  SEINET10800180  Perityle emoryi David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3710 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA167782  Petalonyx thurberi Robert F. Thorne, R. Rutherford 1964-4-10 33599 Riverside At Desert Beach along NE side Salton Sea -61 Comment
  RSA38401  Petalonyx thurberi P. A. Munz 1946-10-20 11582 Riverside Foot of grade on Palms to Pines Hwy, North base of Santa Rosa Mts. 152 Comment
  SEINET2073357  Petalonyx thurberi S. Rhodes 2000-9-14 147 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  UCD117310  Petalonyx thurberi Geoffrey Levin 1975-12-7 661 Riverside Painted Canyon, about 9 miles northeast of Mecca. 76 Comment
  CAS-BOT-BC326834  Peucephyllum schottii Frank W. Peirson 1919-4-13 4737 Riverside 1st canyon east of Palm Canyon, Colorado Desert Comment
  JOTR36012  Peucephyllum schottii Harding, Mitzi, T. Herskovits 2012-3-16 219 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA20298  Peucephyllum schottii Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA308425  Peucephyllum schottii Henry J. Ramsey, Henry J. Ramsey 1938-4-26 3074 Riverside Near Desert Center-Indio. Comment
  SBBG62763  Peucephyllum schottii M. N. Ackley 1928-3-31 303 Riverside Hidden Spring 304 Comment
  UCSB36152  Peucephyllum schottii Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument 1/4 mile East Rd. 750 Comment
  POM311268  Phacelia ambigua Shirley See 1958-3-30 206 Riverside South entrance to Joshua Tree National Monument. 610 Comment
  RSA0043368  Phacelia ambigua var. minutiflora Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17712 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  RSA740084  Phacelia brachyloba Scott D. White, Justin M. Wood 2008-6-16 12149 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UC1069364  Phacelia campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle Comment
  UC519860  Phacelia campanularia subsp. vasiformis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UC666536  Phacelia campanularia subsp. vasiformis Reid Moran 1941-5-5 856 Riverside Cottonwood Pass Eagle Mts. Comment
  CDA19646  Phacelia crenulata var. ambigua G. D. Barbe, T. C. Fuller 1973-3-12 1049 Riverside 0.2 mi east of Coachella Canal on state route 195, ca. 5 mi east of Mecca. Box Canyon Wash. 24 Comment
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Mar 10 2011
  RSA0043233  Phacelia crenulata var. ambigua Duncan S. Bell 2010-5-1 882 A Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  SBBG14721  Phacelia curvipes P. H. Raven 1962-5-18 17756 Riverside Rd to Indian Hill Cyn 0.6 mi E of Santiago Pk 1615 Comment
  CLARK-A1045-321  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of hills, north of the Malki Museum; ; Cabazon 7.5'Q Comment
  HSC93338  Phacelia distans Scott D. White 1996-4-14 3902 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  JOTR34041  Phacelia distans La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2942 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA444556  Phacelia distans Walter Wisura 1988-3-1 4200 Riverside Black Eagle Mine Rd., just outside the boundry of Josua Tree Natl. Mon., Comment
  RSA85090  Phacelia distans J. C. Roos 1952-4-9 5493 Riverside Riverside, W face of Mt. Rubidoux. 400 Comment
  UC809715  Phacelia distans Philip A. Munz 1949-4-11 13022 Riverside wash near Conejo Well; Mojave Desert, north base of Eagle Mts. 914 Comment
  UCR241647  Phacelia distans T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 365 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  SEINET10638467  Phacelia lemmonii Philip A. Munz 1937-5-29 Munz 15101 Riverside damp banks, Shumway, edge of Pinyon Flat, Santa Rosa Mts. 4000 feet. 1220 Comment
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  UCR155324  Phacelia minor A. C. Sanders, Mike Misenhelter 2005-3-23 29256 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SEINET10780736 Image available Phacelia minor George Yatskievych, Eckhard Wollenweber 1990-5-2 Yatskievych 90 -49 Riverside State Highway 74, ca. 2 mi E. of Clevland National Forest boundry, overlooking Lake Elsinore. Burned over slope in oak woodlands, in sandy soil. 762 Comment
  SBBG64962  Phacelia mutabilis R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2438 Comment
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Sep 2 2009
  UCR24948  Phacelia mutabilis A. C. Sanders 1980-8-23 1756 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  SDSU13319  Phacelia parryi Ryan Jacobson, Jeremy Mass 2000-4-19 13 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  UCR131795  Phacelia ramosissima Mitch Provance 1998-5-24 532 B Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  UC73694  Phacelia ramosissima var. latifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR20521  Phacelia viscida H. A. Zuill 1966-6-5 197 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR279380  Phalaris minor A. C. Sanders, Jim Malusa 2017-3-24 42975 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  RSA459292  Pholistoma membranaceum E. Crow 1929-2-24 181 Riverside Andreas Canyon, S of Palm Springs, Colorado Desert. Comment
  RSA459297  Pholistoma membranaceum N. C. Cooper 1944-3-25 1039 Riverside Morongo Pass. 457 Comment
  SBBG6207  Pholistoma membranaceum C. H. Muller 1952-4-5 9492 Riverside White Water Cyn, 1 mi above Whitewater Comment
  UC1518627  Pholistoma membranaceum Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55455 Riverside ca. 3.3 mi. n. Whitewater Post Office (side canyon w. side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  UCR17965  Pholistoma membranaceum A. C. Sanders 1976-4-20 00980 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  CDA22364  Phoradendron californicum T. C. Fuller 1961-1-1 5493 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  RSA420777  Phoradendron californicum Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  RSA48336  Phoradendron californicum E. K. Balls 1949-4-4 12972 Riverside At Desert Beach on Hwy 111, Colorado Desert. -15 Comment
  RSA651773  Phoradendron californicum Darrell Garrett 1949-6-2 s.n. Riverside 6 miles west of Palm Springs. 114 Comment
  CAS-BOT-BC135182  Phoradendron juniperinum Edmund C. Jaeger 1922-6-13 s.n. Riverside E slope San Jacinto Mts. 1371 Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  UCR100048  Phoradendron tomentosum subsp. macrophyllum Scott D. White 1993-2-2 1042 Riverside Peninsular Range; Perris-Aguanga Basin Region, Wilson Creek, at point where it crosses Sage Rd (Hwy R3), c. 2 rd. miles north of Radec Comment
  UCR122584  Phoradendron villosum George K. Helmkamp 1995-11-16 119 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  CAS-BOT-BC260909  Phragmites australis S. B. Parish 1912-7-3 8068 Riverside Salton Bridge near Durmid Comment
  RSA101223  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA600123  Physalis crassifolia Louis C. Wheeler 1959-12-27 7640 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA79895  Physalis crassifolia F. W. Peirson 1921-3-20 4485 Riverside Andreas Canyon, near Palm Springs 244 Comment
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Oct 18 2007
  UCR74361  Physalis crassifolia Theo Glenn 1991-5-2 91- 20 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA0126964  Physalis philadelphica R. E. Riefner 2017-5-18 17 -260 Riverside City of Hemet, E. of Winchester, N of Simpson Road, E. of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  RSA356751  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-20 45541 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  SEINET10530648  Pinus attenuata James S. Miller 1992-5-8 Miller 7468 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  LA6049  Pinus contorta subsp. murrayana Virginia Mars; 1951-5-26 sn Riverside San Jacinto Mountains, Tahquitz Peak 2285 Comment
  UC175  Pinus contorta subsp. murrayana H. M. Hall 1901-6-1 2321 Riverside near Tahquitz; San Jacinto Mountains 2590 Comment
  LA6071  Pinus coulteri Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Tahquitz Peak 1981 Comment
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Mar 29 2014
  CAS-BOT-BC78592  Pinus flexilis Carl B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along trail above [round valley] Round Valley 2926 Comment
  RSA78326  Pinus jeffreyi Philip A. Munz, E. K. Balls 1952-8-21 17979 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  CDA541  Pinus monophylla L. D. Merrill 1999-8-27 s.n. Riverside Santa Rosa Mtns., Cactus Springs trailhead. 0 Comment
  JEPS47943  Pinus monophylla W. L. Jepson and H. M. Hall 1901-5-22 1373 Riverside Palm Canon and return to Van Deventer Comment
  RSA709443  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Colorado Desert: Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. 70 Comment
  UCR12624  Pityrogramma triangularis K. H. Fisher 1968-5-14 3 Riverside Santa Ana Mtns., Santa Rosa Plateau, near De Luz & Saxman Grade Rd where De Luz Creek crosses road c. 8 mi SW of Saxman Grade stone marker 152 Comment
  UCR104804  Pityrogramma triangularis var. triangularis George K. Helmkamp, E. A. Helmkamp 1998-1-7 2559 Riverside San Jacinto Valley, 4.7 mi. SE of Florida Ave. (Hemet) on Bautista Rd. 701 Comment
  RSA792561  Plagiobothrys arizonicus Justin M. Wood 2011-4-4 3405 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR137477  Plagiobothrys canescens D. L. Banks 1997-3-16 1537 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR171912  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR226082  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-4-1 38951 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  UCR250215  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-8 40979 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR201477  Plagiobothrys collinus var. fulvescens Scott D. White, Justin M. Wood 2008-6-18 12243 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR260517  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7999 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  SBBG92112  Plagiobothrys fulvus J. Hirshberg 1989-4-4 Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro 609 Comment
  RSA80216  Plagiobothrys leptocladus F. W. Peirson 1922-4-29 4273 Riverside Field S of Lake Elsinore 375 Comment
  UCR162820  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 0.5 mile (air) south of Mesa de Burro, just north of Mesa de la Punta 610 Comment
  RSA388325  Plagiobothrys tenellus Steve Boyd 1986-5-7 1840 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  UCR201615  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-6-18 12242 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR20646  Plagiobothrys tenellus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  SD90575  Plagiobothrys undulatus Robert F. Thorne, Eatl Lathrop 1969-5-12 37931 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  UCR222298  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55209 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UCR85586  Plantago elongata Julie A. Greene 1993-4-10 1155 a Riverside San Jacinto Valley, San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  CLARK-A1528-3430  Plantago erecta John C. Roos 1952-4-2 5461 Riverside Box Springs 487 Comment
  SD137693  Plantago erecta Darin L. Banks 1995-5-9 328 Riverside NW Palomar Mountains N. of the Agua Tibia Wilderness Area. N. slope of agua Tibia Mtn. The Dorland Mtn area, W. of the dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
  SD122968  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5.0 miles west of Ranco California at junction of Rancho California Road and DeLuz Road. 427 Comment
  SD136799  Plantago lanceolata Steve Boyd, Tim Ross 1992-5-5 7262 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area, northwest of Oak Flats along Verdugo Trail between junctions with Bluewater and Lucas Canyon Trails. 762 Comment
  RSA228821  Plantago major Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 603 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  JEPS7190  Plantago ovata S. B. Parish 1912-10-23 8342 Riverside Mecca Salton Basin -57 Comment
  UC1125638  Plantago ovata H. S. Yates 1937-3-23 5396 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC494677  Plantago ovata Philip A. Munz 1932-3-14 12001 Riverside Coachella Valley, Deep Canyon 91 Comment
  RSA761892  Plantago subnuda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 705 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA722418  Platanthera sparsiflora J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 2744 Comment
  RSA652518  Platanus racemosa T. C. Thomas 1974-7-5 s.n. Riverside Riverside. 366 Comment
  RSA659486  Platanus racemosa Bob Rogers 1984-4-14 6 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center. 610 Comment
  UCR120911  Platanus racemosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24951 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR91742  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  LA206260  Platystemon californicus Elizabeth McClintock; 1938-5-30 sn Riverside San Jacinto Comment
  SD181427  Platystemon californicus Scott D. White, Bill La Haye 2000-5-27 7946 Riverside San Jacinto Mountains; Baldy Mountain area. 1616 Comment
  SEINET7042762  Platystemon californicus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside South end of Buck Road, Notheast of Long Valley, south southeast of Winchester. Comment
  SEINET8719638 Image available Platystemon californicus Jean Coulson 1959-1 s.n. Riverside Box Springs Mts. 2.1 mi. S. of turn off to Radio stations from Pidgeon Pass road. On E. side of road. Comment
  UCSB70490  Plecostachys serpyllifolia Riefner, R. 2008-12-16 Riverside City of Temecula, Pechanga Pkwy. at Pechanga Resort Dr. Comment
  UC70076  Plectritis ciliosa subsp. insignis F. M. Reed 1905-4-20 728 Riverside vicinity of Riverside (top of Box Springs Mountain); Box Springs Mountain Comment
  JOTR28940  Pleuraphis rigida La Doux, Tasha 2005-3-30 1176 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0014312  Pleuraphis rigida Justin M. Wood, J. Miner 2010-4-30 1547 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA780232  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 111 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
  UCR244415  Pleurocoronis pluriseta Jim Andre 2012-4-16 20910 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UC35681  Pluchea odorata var. odorata E. G. Koethen 1897-10-16 A Riverside w Riverside 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
  UCR103731  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  RSA179508  Poa annua E. W. Lathrop 1959-5-17 4573 a Riverside 12 miles W of Murrieta, Riverside County Comment
  UCD91844  Poa pratensis Alan A. Beetle 1946-6-10 4403 Riverside San Jacinto Mountain, Camp Keene Meadow. Comment
  UCR24951  Poa pratensis A. C. Sanders 1980-8-23 1766 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  SBBG61503  Polygonum aviculare M. N. Ackley 1927-3-13 883 Riverside Coral Reef Ranch -9 Comment
  SBBG61495  Polygonum douglasii R. Hoffmann 1929-9-5 Riverside Tahquitz Valley Comment
  UCR122569  Polygonum hydropiperoides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5985 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  CHSC8342  Polypodium californicum Edward L. Smith 1958-3-6 344 Riverside Located at Cold Water Canyon, Glenn Ivy, sw side of Temescal Road, Temescal Mtns. 762 Comment
  SEINET10522814  Polypogon interruptus David B. Dunn, A. Folsom 1948-6-17 Dunn 3798 Riverside At camp in Pushawalla canyon under palms. Comment
  SEINET3130262  Polypogon monspeliensis W. B. Crockatt sn Riverside Prado 91 Comment
  UC1931197  Polypogon monspeliensis Scott D. White, Justin Wood 2008-7-9 12412 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCD91484  Polypogon viridis H. S. Yates 1936-8-29 6376 Riverside near Keen Canyon. 1615 Comment
  POM360762  Populus fremontii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
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Mar 28 2011
  RSA757730  Populus fremontii subsp. fremontii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4353 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JOTR32652  Porophyllum gracile La Doux, Tasha, Bill Truesdell 2007-11-9 2526 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA124075  Porophyllum gracile P. C. Everett, E. K. Balls 1958-4-29 23035 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  RSA4946  Porophyllum gracile C. B. Wolf 1932-4-27 3052 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  UCR41826  Porophyllum gracile A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6106 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA752140  Potamogeton pusillus Justin M. Wood, Brandy Wood 2009-7-4 1045 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  SEINET9291376  Potentilla glandulosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR117669  Potentilla norvegica subsp. monspeliensis T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  SBBG3760  Prosopis glandulosa var. torreyana H. and M. Dearing 1930-4-13 815 Riverside near Palm Springs Comment
  SEINET3269556 Image available Prosopis glandulosa var. torreyana M. F. Wojciechowski 2000-4-5 875 Riverside Ca. 5 mi north of Blythe along US 95. Comment
  UCD170965  Prunus caroliniana A. C. Sanders 2002-3-20 24899 Riverside Western Colorado Desert: Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo. 137 Comment
  RSA453217  Prunus emarginata N. C. Cooper 1945-5-24 1665 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC861038  Prunus fasciculata C. L. Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring, Joshua Tree National Monument Cottonwood Spring; Joshua Tree National Monument, Cottonwood Spring Comment
  POM9357  Prunus fremontii Mary F. Spencer 1918-4-1 759 Riverside Andreas Valley near Palm Springs, Colorado Desert. 152 Comment
  CLARK-A1528-4034  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR193978  Prunus ilicifolia A. C. Sanders 2008-7-25 35913 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  CAS-BOT-BC356329  Psathyrotes ramosissima H. M. Hall 1905-5-1 5864 Riverside Colorado Desert. Chuckawalla [Chuckwalla] Springs Comment
  JEPS37148  Psathyrotes ramosissima W. L. Jepson 1927-4-12 11663 a Riverside Painted Canyon Mecca Hills Comment
  UCD135009  Psathyrotes ramosissima Lewis S. Rose 1935-12-23 s.n. Riverside 7 miles south of Cathedral City. Colorado Desert. 152 Comment
  UCR121316  Pseudognaphalium biolettii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25002 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR90953  Pseudognaphalium biolettii Scott D. White 1996-3-16 3826 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR169163  Pseudotsuga macrocarpa June Latting 1972-5-3 s.n. Riverside San Jacinto Mtns, 1 mile east of Keen Summit, 2.5 miles east of Mountain Center (junction of Calif. Hwy 74 and Calif. Hwy 243), a short distance east of Pasadena YMCA camp on the south side of Calif. Hwy 74 1402 Comment
  RSA286801  Psilocarphus brevissimus R. F. Thorne 1974-5-23 44668 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  RSA563880  Psilocarphus brevissimus A. C. Sanders 1993-5-12 13996 Riverside Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Road, between San Diego Aqueduct and Warren. 457 Comment
  UCR112396  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 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
  UCR182525  Psilocarphus brevissimus Mitch Provance 2005-5-17 6574 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
  UCR266318  Psilocarphus brevissimus D. E. Bramlet 1991-4-29 2076 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR266339  Psilocarphus brevissimus D. E. Bramlet 1993-5-8 2342 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit, east of Davis Rd. and north of old San Jacinto River channel 433 Comment
  SD68944  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, E. Lathrop and O. Clark, and S. Carlquist 1968-4-18 37436 Riverside Mesa de Colorado, Rancho Californioa, Santa Rosa Plateau. 669 Comment
  SD247348  Psilostrophe cooperi A. C. Sanders 2015-9-11 41868 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline rd. Large wash. 646 Comment
  SBBG87900  Psorothamnus arborescens R. F. Thorne, W. A. Tilforth 1980-5-28 54213 Riverside branch ravine running W from Whitewater Cyn, W of rd, ca. 3.2 mi N of Interstate 10 and Whitewater P.O. 609 Comment
  SEINET2063861 Image available Psorothamnus arborescens B. Pitzer 1986-4-26 Riverside Whitewater Canyon, ca. 4.5 miles N of Interstate 10 on Whitewater Canyon Road, Whitewater 7.5' Quad. 731 Comment
  UCR263240  Psorothamnus arborescens var. simplicifolius A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41480 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
  SD174890  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoran Desert: Coachella Valley; N of Palm Springs; N of I-10; S of Dillan Road; E of Indian Avenue. 244 Comment
  SFV1811  Psorothamnus emoryi E. R. Blakley 1961-9-10 4707 Riverside 20 miles west of Blythe at desert wash crossing of US-Highway 60-70. 107 Comment
  UCSB3043  Psorothamnus emoryi Mooney, Harold 1956-4-14 Riverside Turn off to Desert Hot Springs on Highways U.S. 60, 70, 99 Comment
  CAS-BOT-BC340917  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  RSA404256  Psorothamnus schottii N. C. Cooper 1944-5-20 2647 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  RSA13819  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  RSA784975  Psorothamnus spinosus Duncan S. Bell 2012-3-18 3218 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SBBG34287  Pteridium aquilinum var. pubescens M. Lewis 1947-8-26 18 Riverside San Jacinto Mtns 1981 Comment
  UC876176  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Idyllwild San Jacinto Mt. (Banning Rd) 1524 Comment
  CAS-BOT-BC421256  Pterostegia drymarioides Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM128387  Pterostegia drymarioides Thos. Craig 1927-4-23 224 Riverside Glen Ivy. Comment
  RSA776020  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC1930054  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
  UCR276077  Pterostegia drymarioides T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3796 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
  UCR130093  Pulicaria paludosa G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  UC217995  Purshia tridentata var. glandulosa P. A. Munz and I. M. Johnston 1922-5-20 5494 Riverside Kenworthy; San Jacinto Mts. 1432 Comment
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Mar 25 2011
  RSA0081607  Pyrola aphylla P. A. Munz, I. M. Johnston 1924-7-27 8725 Riverside Dark Canyon, San Jacinto Mts. 1982 Comment
  UC21716  Pyrola picta H. M. Hall Jun 1901 Riverside in Canyons of the west side; dark Canyon Comment
  UCSC000553  Pyrola picta I. J. Condit 2010-6-22 s.n. Riverside San Jacinto Mts. 2438 Comment
  UCR266458  Quercus Mitch Provance 2009-9-10 17425 Riverside San Bernardino Mountains, Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  UCR278567  Quercus Mitch Provance 2012-9-5 912- 10 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
  RSA39111  Quercus X munzii C. Epling 1945-1 s.n. Riverside Near Keyes Ranch, Little San Bernardino Mts. Comment
  UCD45052  Quercus agrifolia K. R. Montgomery 1969-7-9 69 26 Riverside Wilson Valley. Elev. C. 3500', 18 miles south of Hemet, Riverside County, California. 1066 Comment
  UCR158896  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR174133  Quercus agrifolia A. C. Sanders, T. B. Salvato 2006-6-2 33083 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
  RSA640179  Quercus agrifolia var. agrifolia Louis C. Wheeler 1965-3-26 8707 Riverside Temescal Valley: Wright Ranch. Comment
  UCR168032  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 580 Riverside San Bernardino National Forest: San Jacinto Mountains, 2.3 mi. west of Santa Rosa Mountain Rd on SR 74 at Vandeventer Flat 1430 Comment
  SD244164  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range: Temescal Canyon, east of Glen Ivy near where Temescal Canyon Road passes under I-15 (Lake Mathews 7.5'Q) 317 Comment
  CAS-BOT-BC62438  Quercus chrysolepis Winifern W. Swarth 1914-9-27 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UC63841  Quercus cornelius-mulleri H. M. Hall May 1901 1915 Riverside VanDeventer's, e base of San Jacinto Mts., along borders of the Colorado Desert Colorado Desert, San Jacinto Mts. Comment
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Oct 23 2009
  UCD45614  Quercus cornelius-mulleri Frank C. Vasek 1975-9-11 s.n. Riverside In pinyon woodland (desert margin), elevation ca. 5000 feet; South Sheep Mountain, at the South edge of the Deep Canyon Reserve, Riverside County, California. 1524 Comment
  CLARK-A1528-530  Quercus dumosa C. M. Flanagan 1973-4-26 OO 304 Riverside Morongo Indian Reservation 914 Comment
  UCR161009  Quercus engelmannii John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  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
  UCSB1229  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  IRVC1363  Quercus turbinella R. H. Whittaker, W. A. Niering 1963-6-6 SJ 253 Riverside San Jacinto Mountains: 5509, back road. On a NE 2 degree slope above granite soil. 854 Comment
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Jun 27 2013
  UCR169493  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 592 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
  RSA0120465  Rafinesquia californica Duncan S. Bell 2016-4-16 9305 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC667269  Rafinesquia californica Annie M. Alexander and Louise Kellogg 1941-4-27 2091 Riverside Joshua Tree National Monument, Riverside and San Bernardino Counties Joshua Tree National Monument 1310 Comment
  JOTR35057  Rafinesquia neomexicana La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3509 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
  POM250454  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs. Comment
  SEINET6088758  Rafinesquia neomexicana Unknown 1944-3-25 1038 Riverside Morongo Pass. Comment
  RSA90129  Ranunculus cymbalaria var. saximontanus E. K. Balls, Percy C. Everett 1953-8-19 18536 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  UC1931082  Ranunculus sceleratus Scott D. White, Justin Wood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  CSUSB568  Raphanus raphanistrum Penny Stead 1970-4-14 Riverside Found in vacant behind A. & I. dorm at University of California, Riverside. 274 Comment
  CAS-BOT-BC56051  Rhamnus ilicifolia H. M. Hall 1901-6-1 2017 Riverside Canyon of the San Jacinto River Comment
  RSA796514  Rhamnus ilicifolia Robert F. Thorne, E. W. Lathrop 1977-5-18 49724 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SD122915  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau region, NW base of Rdonda Mesa on Tenaja Rd., 0.8 mi. east of jtn with 8S01 and 8S02. Comment
  UCR174540  Rhamnus tomentella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 359 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  UC218263  Rhamnus tomentella subsp. cuspidata P. A. Munz 1922-6-25 5817 Riverside between Vandeventer and Santa Rosa; Santa Rosa Mts. 1524 Comment
  CLARK-A1528-2685  Rhododendron occidentale John C. Roos 1941-8-2 79 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC200035  Rhododendron occidentale var. californicum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mts.: Above & in James Reserve 1676 Comment
  POM12748  Rhododendron occidentale var. californicum P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  POM19647  Rhododendron occidentale var. californicum Mary F. Spencer 1923-6-11 2141 Riverside Idyllwild. 2043 Comment
  UCR120923  Rhus aromatica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CLARK-A1528-5595  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  CAS-BOT-BC167966  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mts. 1066 Comment
  OBI74471  Rhus ovata David J. Keil 1983-4-15 16891 Riverside E of Temecula on SR79. Comment
  RSA297382  Rhus ovata Larry E. DeBuhr 1972-2-25 508 Riverside Santa Rosa Mountains along forest road 7S02 to santa Rosa Pk. 1738 Comment
  SD122182  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aquaduct crossing. 259 Comment
  SDSU13694  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 259 Comment
  RSA162816  Ribes roezlii J. D. Olmsted 1959-7-1 724 Riverside Just west of Strawberry Cienega trail above Idyllwild. 2622 Comment
  CAS-BOT-BC186239  Ribes roezlii var. roezlii Carl B. Wolf 1932-8-5 3969 Riverside San Jacinto Mts. On trail from Tahquitz Valley to San Jacinto Peak 2804 Comment
  RSA722426  Romneya coulteri Pomeroy 1929-5-11 s.n. Riverside Glenn Ivy Comment
  RSA692223  Rorippa curvipes var. truncata Scott D. White 2003-10-9 9818 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  SD186153  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Temescal Valley; Walker Canyon, 1.5 mile due east of Alberhill, north of Highway I-15. 412 Comment
  UCR268297  Rosa californica Jim Andre 2012-6-15 30551 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UC1931116  Rumex acetosella Scott D. White, Justin Wood 2008-6-18 12236 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  UCR180047  Rumex crispus Mitch Provance 2005-5-18 9808 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR20814  Rumex dentatus A. C. Sanders, Steve Boyd 1980-5-19 1475 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  UCR199646  Rumex maritimus Justin M. Wood 2008-7-16 39 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  RSA601678  Rumex obtusifolius Louis C. Wheeler 1933-8-5 2059 Riverside Millard's Canyon at foot of falls San Bernardino Mountains. 579 Comment
  RSA690944  Rumex salicifolius Scott D. White 1998-7-31 6948 -(unic.) Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  SEINET4178297  Rumex salicifolius var. salicifolius I. W. Clokey 1935-8-21 6601 Riverside Fuller's Creek 1500 Comment
  CLARK-A1528-5728  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  UC883833  Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi below Cottonwood Springs (Joshua Tree National Monument); , below Cottonwood Springs Comment
  UC851293  Salicornia subterminalis P. A. Munz and I. M. Johnston 1922-5-19 5413 Riverside Perris 441 Comment
  CAS-BOT-BC103898  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR138719  Salix exigua Julie A. Greene 1993-4-17 1220 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR92246  Salix exigua Scott D. White 1995-7-7 3450 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  LA208628  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 599 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  SBBG101690  Salix exigua var. hindsiana S. Boyd with T. Ross 1991-6-14 6367 Riverside Warm Springs Crk at NE end of Hogbacks Ridge, 2-3 mi NW of Murrieta Hot Springs Comment
  UC498066  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n Elsinore (along small stream) 304 Comment
  RSA509527  Salix gooddingii Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  RSA714426  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SD1047  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  POM184903  Salix hindsiana H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR228874  Salix laevigata A. C. Sanders 2011-4-6 39016 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  SEINET272322  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19969 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR97694  Salix lasiolepis A. C. Sanders, G. Helmkamp 1997-3-15 19969 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  SD175812  Salsola australis D. G. Kelch 2006-12-8 06 524 Riverside Santa Rosa Plateau, roadside. Comment
  CAS-BOT-BC176910  Salsola tragus Ira L. Wiggins; Reed C. Rollins 1941-9-14 483 Riverside Roadside, one-half mile east of Indio Comment
  RSA424901B  Saltugilia australis N. M. Fellows, A. C. Sanders 1985-4-9 134 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mi west of Snow Creek Village. 489 Comment
  RSA524527  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4123 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR106417  Saltugilia australis George K. Helmkamp, A. C. Sanders 1997-3-15 1500 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  CLARK-A1045-112  Salvia apiana George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  POM78751  Salvia apiana Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SD4321  Salvia apiana Fidella G. Woodcock 1928-4-27 Riverside San Jacinto mountain near bridge of S.J. Creek Comment
  UC218131  Salvia apiana P. A. Munz 1922-6-26 5828 Riverside s slope Santa Rosa Mts. 1706 Comment
  JEPS62549  Salvia carduacea W. L. Jepson 1901-5-17 1252 Riverside San Jacinto 487 Comment
  RSA543192  Salvia carduacea Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6112 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
  UCR136929  Salvia carduacea B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1482 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  UCR228392  Salvia carduacea Thomas R. Stoughton, J. McConnaughy, A. Monks. M. Volke 2010-3-31 115 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater 869 Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SD137721  Salvia columbariae Darin L Banks 1995-4-5 133 Riverside Cleveland Nat Forest, Agua Tibia Wilderness area, N Slope of Agua Tibia Mt. E of Dripping Springs Alcove, along Dripping Springs Trail 609 Comment
  UCSB44881  Salvia columbariae Collins, Elizabeth 1977-3-30 Riverside Corn Springs Campground; 8 miles south of Hwy. 10; base of Chuckwalla Mts 457 Comment
  RSA0034463  Salvia columbariae var. columbariae Bruce Albert 1982-4-17 70 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  CAS-BOT-BC229984  Salvia mellifera Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  RSA701496  Salvia mellifera M. Wall 1996-1-8 127 Riverside Foothill S of Beaumont off Hwy 79 (Lamb Cyn.), 1.1 mi S of 10 Fwy, just past California Ave., W side of hwy. 610 Comment
  SBBG97213  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UCR213599  Salvia mellifera A. C. Sanders, Matthew Malle 2010-4-23 37987 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  CLARK-A1528-3123  Salvia mohavensis John C. Roos 1947-2-15 3234 Riverside Eagle Mountain Comment
  UCLA69831  Salvia mohavensis C. Epling and Wm. Robison 1933-6-26 Riverside Key's View; Little San Bernardino Mountains 1524 Comment
  SBBG6506  Salvia pachyphylla H. and M. Dearing 1937-11-27 1569 Riverside Santa Rosa Mtn Comment
  UC187491  Salvia pachyphylla A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  SEINET2077546  Salvia pachyphylla S. Rhodes, L. Brandt, R. Taylor, M. Hansen 1999-1 Riverside Comment
  UC1080395  Salvia vaseyi E. K. Balls and P. C. Everett 1957-8-20 22669 Riverside 6.6 mi sw Palm Village (along State Hwy 74 (jct State Hwy 111)) 502 Comment
  UC73592  Salvia vaseyi H. E. Wilder 1906-1 Riverside e of San Gorgonio (along Mission Creek); Colorado Desert, Mission Creek Comment
  RSA739278  Salvinia minima Richard E. Riefner 2008-7-5 8 -214 Riverside Riverside County: Cathedral City, Perez road at Date Palm Dr. 82 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
  UCR57130  Sanicula bipinnata Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  UCR158321  Sanicula crassicaulis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30064 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  JOTR16553  Sarcostemma hirtellum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA192333  Satureja chandleri E. W. Lathrop 1966-5-11 6287 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  RSA597079  Schedonorus arundinaceus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1117 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
  RSA480014  Schismus arabicus Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2141 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA704586  Schismus arabicus LeRoy Gross 2005-3-3 1585 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SEINET8043499 Image available Schismus arabicus Duncan S. Bell, Evan Meyer 2014-1 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern sectin of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR89564  Schismus arabicus George K. Helmkamp 1994-3-10 42- 14 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
  JOTR16789  Schismus barbatus Leary, Pat and Hogan, J. 1975-2-11 899 Riverside Joshua Tree National Park. EAST END OF PLEASANT VALLEY 975 Comment
  UCR116509  Schismus barbatus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20656 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR158344  Schismus barbatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29497 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC111477  Schoenoplectus americanus Joseph Cook (Rev.) Nevin 1882-1-1 128 Riverside Temecula Comment
  UCR41637  Schoenoplectus americanus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6093 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM1387  Schoenoplectus californicus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  UCR235087  Schoenoplectus californicus A. C. Sanders, John F. Green 2012-5-27 40209 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  UC574975  Scirpus maritimus C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  CAS-BOT-BC111020  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. Confluence. 365 Comment
  SEINET13276759 Image available Scirpus microcarpus Mitch Provance 2012-1 196 -01 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  RSA425210  Scrophularia californica subsp. floribunda E. Crow 1929-3-17 202 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA0035196  Scrophularia californica var. floribunda Bruce Albert 1982-4-17 49 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  RSA160553  Scutellaria bolanderi subsp. austromontana J. D. Olmsted 1959-3-7 728 Riverside Strawberry Creek just above drop off near Isomata below Idyllwild. Alt: 4950 ft. 1509 Comment
  UCR193486  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35606 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  SD29583  Scutellaria siphocampyloides Darley F. Howe 1941-6-9 1111 Riverside San Jacinto Mountains. Comment
  UC577086  Selaginella bigelovii Lewis S. Rose 1934-12-25 34495 Riverside 10 mi n Whitewater (T Cross K Ranch); Mission Canyon Comment
  CAS-BOT-BC62092  Selaginella eremophila W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz near Palm Springs Comment
  CAS-BOT-BC62253  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak 3285 Comment
  CAS-BOT-BC62258  Selaginella watsonii Louis C. Wheeler 1931-10-3 176 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  RSA522761  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3868 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
  RSA302016  Senecio douglasii var. monoensis J. R. Shevock 1972-10-14 2317 Riverside Upper Coyote Canyon, Anza-Borrego State Park Comment
  CAS-BOT-BC323973  Senecio flaccidus var. douglasii P. C. Everett 1935-6-17 7145 Riverside Santa Ana Mts., Coldwater Can. Trail to Santiago Pk, 1 mi. above Glen Ivy Resort. 548 Comment
  UC74096  Senecio flaccidus var. douglasii M. F. Gilman 1904-1 30 Riverside Banning , Southern California (Southern California) Comment
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Mar 21 2011
  POM15176  Senecio mohavensis Mary F. Spencer 1922-3-27 1926 Riverside Shavers Canyon. Mecca, Colorado Desert. Comment
  SBBG81721  Senecio mohavensis S. A. Junak 1983-3-23 1625 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC2031350  Senna covesii Duncan S. Bell with John Anderson, Kim Clark, and Ed Howland 2013-9-29 6036 Riverside Chuckawalla Mountains: on the S side of Corn Springs Wash, approx. 3 air miles W of Corn Springs, and about 0.5 air miles S of Aztec Well. Comment
  UC574994  Sesuvium verrucosum C. Epling, J. Ewan June, 1933 Riverside s shore of Lake Elsinore Comment
  UCR2737  Setaria parviflora F. M. Reed 1908-7-29 2553 Riverside South Coast; San Bernardino Valley, Riverside: upper side of Gage Canal near 8th Street bridge 311 Comment
  UCR174566  Sherardia arvensis Jennifer H. Jones 2006-5-1 291 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  RSA162828  Sidalcea oregana subsp. spicata J. D. Olmsted 1959-6-23 677 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  RSA586798  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-3 0236 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC506669  Silene gallica Jordan Zylstra 2014-3-18 14005 Riverside San Jacinto Mtns: Apple Canyon, W of Apple Canyon Road 1453 Comment
  UCR156361  Silene gallica T. B. Salvato, Kent Beaman 2005-5-16 872 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
  RSA559349  Silene multinervia Steve Boyd, Timothy S. Ross 1992-5-15 7393 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670