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

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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-BC229320  Abronia villosa Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  CAS-BOT-BC229364  Abronia villosa Geo. B. Grant 1902-8-1 s.n. Riverside San Jacinto Comment
  RSA652379  Abronia villosa Peter Gail 1961-5-13 s.n. Riverside Palms to Pines Hwy Comment
  RSA663883  Abronia villosa C. R. Annable 1995-3-9 2256 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  RSA714961  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  UCD109811  Abronia villosa Robert C. Bechtel 1952-3-28 33 Riverside Whitewater. 152 Comment
  UCR85139  Abronia villosa A. C. Sanders 1995-3-12 16018 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM9907  Abronia villosa E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  CLARK-A1528-3255  Abronia villosa var. aurita John C. Roos 1942-6-20 1279 Riverside San Jacinto Valley Comment
  UCR256328  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  HSC101275  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UCR241517  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-27 40543 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR241415  Acacia T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7437 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA735217  Acacia greggii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11239 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
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  RSA414904  Acacia greggii var. arizonica N. C. Cooper 1943-10-8 964 Riverside Banning. Comment
  RSA416162  Acamptopappus sphaerocephalus var. sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado desert 400 Comment
  CLARK-A1528-1375  Acer negundo subsp. californicum John C. Roos 1952-6-25 5790 Riverside Fairmont Park Comment
  CDA28089  Achnatherum coronatum F. J. Willmarth 1962-9-7 Riverside San jacinto Mts.; Garner Ranch, Idyllwild Rd. 0 Comment
  RSA510311  Achnatherum coronatum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA6073  Achnatherum coronatum C. B. Wolf 1932-5-24 3660 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  SBBG57016  Achnatherum coronatum M. N. Ackley 1928-4-1 14 Riverside Snow Crk, Mt San Jacinto Comment
  UCR33657  Achyronychia cooperi Faulkner 1978-3-30 411 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  SEINET12558045 Image available Achyronychia cooperi Mary F. Spencer 1920-1 1436 Riverside Palm Springs, Colorado Desert 122 Comment
  SEINET5327356  Acmispon argophyllus var. argophyllus I. W. Clokey, C. B. Clokey; E. G. Anderson 1930-4-15 4638 Riverside Perris-Gavilan Peak, 600 Comment
  UC1922060  Acmispon glaber Scott D. White, Angelia Carey 2004-4-5 10005 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  JOTR36476  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  JOTR34197  Acmispon strigosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2990 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  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
  SD146270  Acmispon strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve Area, North Domenigoni Hills, south of Hemet; Winchester 7.5' quad. 342 Comment
  SDSU14071  Acmispon strigosus Jonathan S. Austin, Michael G. Simpson 2002-4-20 15 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  RSA588171  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak., 33 deg 27'.024 N - 116 deg 57'.923 W. 597 Comment
  UCR242668  Adenostoma fasciculatum A. C. Sanders 2013-7-6 40843 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 Comment
  UCR251946  Adenostoma fasciculatum Harun Bektas 2011-4-26 16 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA33594  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1944-6-4 1342 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  LA207890  Adenostoma sparsifolium Elizabeth McClintock; 1936-7-29 sn Riverside Pines to Palms Hwy Comment
  RSA589088  Adenostoma sparsifolium D. L. Banks, Steve D. Boyd 1995-10-17 799 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 narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC219242  Agnorhiza ovata E. C. Jaeger 1921-6-14 1054 Riverside Barkers Meadow San Jacinto Mts. Comment
Read comments
Nov 6 2011
  UCR80813  Agoseris grandiflora Scott D. White 1993-5-29 1468 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  RSA741208  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-5-15 11959 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  UCR102854  Alchemilla occidentalis A. C. Sanders 1997-4-3 20156 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  RSA469418  Aliciella latifolia Robert Gustafson 1980-4-3 1520 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  POM13892  Allionia incarnata P. A. Munz, D. D. Keck 1922-4-9 4828 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA0027470  Allionia incarnata Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 57 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA793264  Allionia incarnata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 146 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  UC851825  Allionia incarnata Ivan Johnston 1917-4-4 Riverside Colorado Desert, at mouth of Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 228 Comment
  RSA593786  Allium cratericola Jeri Hirshberg 1995-5-19 281 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  SEINET12048030  Allium haematochiton R. F. Thorne, Lathrop, E. 1975-1 45560 Riverside Santa Rosa Plateau, Rancho California, Mesa de Burro 610 Comment
  CAS-BOT-BC132014  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant of ridge E of Estelle Mt., S of Dawson Canyon 670 Comment
  UCR144117  Allium munzii Scott D. White, Kurt Cambell, John Resek 2000-4-26 7736 Riverside Santa Ana Mtns, Lake Elsinore area, low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 412 Comment
  UCR42429  Allium munzii Steve Boyd 1986-4-10 1641 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  UCR213852  Allium peninsulare Scott D. White, Justin M. Wood 2009-5-22 12919 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  RSA162778  Allium praecox J. D. Olmsted 1959-4-17 404 Riverside Eagle T.T. 0.5 mile east of intersection with Main Divide T.T.; 10 miles SSW of Corona. Santa Ana Mountains, Santa Ana River Drainage Area 732 Comment
  UCR129910  Allium praecox Mrs. C. M. Wilder 1905-1 s.n. Riverside Riverside 915 Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UC52841  Allophyllum glutinosum Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mts. Comment
  SD80158  Alnus rhombifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-2-13 339 Riverside East slope San Jacinto Mountains, Andreas Canyon, north bank 100 yards upstream from crossing below Clubhouse 305 Comment
  UC1532831  Alopecurus saccatus Robert F. Thorne and Earl Lathrop 1975-5-25 45549 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  UCR1496  Althaea rosea Annette Price 1962-4-12 24 Riverside Box Springs Mountains, King's Drive-In on 8th Street, at the edge of Riverside, c. 1 block from the UCR campus 305 Comment
  UCR23285  Althaea rosea C. Filmer 1981-5-14 81- 19 Riverside c. 20 m west of Rustin Avenue between Minerva Court and Massachusetts Avenue, City of Riverside. 305 Comment
  UCR77685  Amaranthus albus Steve Boyd 1991-7-13 6415 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
  UCR125907  Amaranthus blitum A. C. Sanders 2002-11-10 25623 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  SD144099  Amaranthus fimbriatus B. Pitzer 1997-10-19 3354 Riverside N foot of Chuckwalla Mtn Rd on S side of Highway I-10, ca. 0.8 miles S of Highway at powerline rd. 500 Comment
  UCR272670  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  UCR89729  Amaranthus palmeri J. M. Stewart 1990-9-23 658 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC13611  Ambrosia acanthicarpa Carl B. Wolf 1931-10-14 2459 Riverside Cabezon, San Gorgonia Pass. 518 Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
Read comments
Nov 2 2011
  UC1518845  Ambrosia acanthicarpa Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55355 Riverside near, in wash between new and old hwy bridges and along Whitewater River Whitewater Post Office; San Bernardino Mts., Whitewater River, Whitewater Canyon 411 Comment
  UCR199558  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-7-2 10575 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CAS-BOT-BC22580  Ambrosia dumosa Marcus E. Jones 1929-9-16 25074 Riverside E of Desert Center Comment
  CAS-BOT-BC22599  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards E of spring Comment
  JEPS40973  Ambrosia dumosa W. L. Jepson 1928-4-25 12588 Riverside The driest and most arid hills Cottonwood Spring; Colorado Desert, Joshua Tree National Monument, Eagle Mounta 731 Comment
  SEINET8071625 Image available Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside Colorado Desert: Chocolate-Chuckwalla Mts.: E of Little Chuckwalla Mts. From Blythe take I-10 W for 17.8 mi, take the Wiley's Well Rd. exit. Turn left (S) on Wiley's Well Rd travel 1.3 mi on paved and then 4.5 mi on unpaved road. 177 Comment
  SFV17216  Ambrosia dumosa 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
  SFV3923  Ambrosia dumosa M. L. Vincent, R. H. Swade 1963-10-19 468 A Riverside On California State Highway 74 about 6 miles south of Palm Desert. Roadside. Comment
  UC519938  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside near Garnet; Colorado Desert, Seven Palms Comment
  UCR154036  Ambrosia dumosa L. McHargue 1966-11-25 s.n. Riverside Colorado Desert, 0.5 mi east of Ramon Road and 1000 Palms Canyon Road junction Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  CAS-BOT-BC30793  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2 1/2 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  SDSU13506  Ambrosia psilostachya W. Miller with C. Mosse 1972-7-13 Riverside west of M.W.D. Station. Comment
  UC1523648  Ambrosia psilostachya Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61194 Riverside along Cole Canyon; Santa Rosa Plateau 533 Comment
  UCR106915  Ambrosia psilostachya D. L. Banks, L. Raz 1996-11-5 1184 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCR167870  Ambrosia pumila T. B. Salvato, Melissa Clemons 2005-6-2 1401 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  CAS-BOT-BC273035  Ambrosia salsola F. A. M. 1936-3-20 14477 Riverside Morongo Valley Comment
  CAS-BOT-BC273040  Ambrosia salsola John H. Thomas 1957-3-30 6538 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert 518 Comment
  SEINET10797869  Ambrosia salsola David B. Dunn, Howard Brown 1947-2-9 Dunn 2856 Riverside Pushawalla Canyon, Indio Hills. In dry wash bed. Comment
  JEPS39443  Ambrosia salsola var. salsola I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
Read comments
Oct 9 2010
  LA204913  Amorpha californica var. californica W. E. Pequegnat; 1937-9-3 sn Riverside Santa Ana Mountains, Bedford Rd 1402 Comment
  RSA787990  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 s.n. Riverside Cleveland National Forest. Roadside. Comment
  RSA415299  Amorpha fruticosa A. Menke 1955-5-22 s.n Riverside Chino Canyon, Palm Springs. Comment
  RSA575847  Amorpha fruticosa 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
  RSA91359  Amorpha fruticosa F. W. Peirson 1919-4-12 702 Riverside Palm Canyon, near Palm springs. Comment
  UCR214116  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37720 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR93051  Amsinckia menziesii var. menziesii Steve Boyd 1986-4-2 1617 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0091460  Amsinckia tessellata R. F. Thorne, R. Carolin 1967-3-21 41634 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  JOTR31083  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  POM115624  Amsonia tomentosa var. tomentosa A. M. Alexander, Louise Kellogg 1941-4-29 2102 Riverside Ten miles south of 29 Palms. 1159 Comment
  RSA585736  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0399 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR89389  Andropogon glomeratus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15873 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UC485495  Antennaria rosea A. W. Anthony 1895-7-9 Riverside San Jacinto Mt. 2529 Comment
  UC891795  Antennaria rosea P. A. Munz 1922-7-6 5977 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
  UCR159768  Anthemis cotula Scott D. White 1999-5-20 7375 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Ethanac Rd., c. 1 mi west of I-215 freeway 442 Comment
  RSA735863  Anthriscus caucalis Scott D. White, Justin Wood 2008-4-16 11893 Riverside Menifee Valley, N of Newport Rd. Drainage ditch down stream from golf course. 436 Comment
  UCR77709  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  JEPS83427  Antirrhinum coulterianum David M. Thompson 1983-5-10 299 Riverside 1.1 miles up Box Springs Mountain Road from junction with Pigeon Pass Road not far below W side of road; Riverside East Quad. (7.5', 1967) 670 Comment
  RSA182339  Antirrhinum coulterianum J. D. Olmsted 1962-5-1 3429 Riverside NE slope just west of top of highest Southern California waterfall; 1/4 miles. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto Comment
Read comments
Nov 24 2011
  RSA33650  Antirrhinum coulterianum N. C. Cooper 1944-7-17 1425 Riverside West side 1524 Comment
  UCR1000  Antirrhinum coulterianum J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCSB12687  Antirrhinum coulterianum Hochberg, Fred 1961-5-6 Riverside 50 ft. off Riverside 1; 7 miles from junction at Banning; base of San Jacinto Mtns 1158 Comment
  UC1191180  Antirrhinum filipes Herbert L. Mason 1952-4-7 14206 Riverside near Palm Springs; Palm Canyon Comment
  CAS-BOT-BC218516  Apiaceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA525410  Apiastrum angustifolium Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4518 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UC310839  Apiastrum angustifolium Philip A. Munz 1925-5-20 9819 Riverside 2 mi w of Dripping Spring; Southern California 426 Comment
  UCR48480  Apiastrum angustifolium Steve Boyd 1986-4-2 1585 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CDA7121  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside South side of UCR campus behind botany greenhouses, Riverside. Comment
  RSA27439  Arabis perennans C. L. Hitchcock 1940-4-5 5966 Riverside Ciffs above Cottonwood Springs Comment
  RSA0128805  Arabis sparsiflora Duncan S. Bell, J. D. England 2010-6-4 1264 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
  UCR165198  Arabis sparsiflora S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR96264  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  SEINET10320300  Arceuthobium campylopodum E. G. Anderson 1935-8-21 6574 Riverside Idyllwild-Banning. 1650 Comment
  CAS-BOT-BC516264  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside San Jacinto Mts., Idyllwild area, SW of PIne Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1859 Comment
Read comments
Oct 23 2018
  RSA629169  Arctostaphylos Jon E. Keeley 1992-7-17 16810 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA629177  Arctostaphylos Jon E. Keeley 1992-7-16 16676 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA629390  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19514 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC23119  Arctostaphylos glandulosa subsp. glandulosa W. Pequenat 1940-4-13 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
Read comments
Mar 13 2018
  SD152874  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6756 Riverside Santa Ana Mountains, Tenaja Trail from junction with Morgan Trail south to Pigeon Spring area. 669 Comment
  RSA629415  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19532 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC24667  Arctostaphylos glauca Vernon O. Bailey 1907-9-11 1276 Riverside Edge of Mojave Desert, e. of Morongo Valley. Comment
  RSA631773  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16546 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA631778  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19293 Riverside Highway 79, at Radec. 580 Comment
  RSA631781  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19276 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631784  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19278 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631832  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15528 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA632226  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4094 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  UCR48503  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA3120  Arctostaphylos glauca var. glauca C. B. Wolf 1932-2-11 2649 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA633573  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22511 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633578  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20116 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633581  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22528 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633584  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22516 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633640  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20137 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633659  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16667 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633723  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16619 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633728  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16626 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635197  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16774 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  RSA0038405  Arctostaphylos patula Elwood Fordham 1951-5-26 s.n. Riverside Fern Canyon, [Los Angeles County] 1219 Comment
  CAS-BOT-BC46343  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at deer Springs trailhead and adjacent area. USGS San Jacinto Pk. 7.5' topo. 1828 Comment
  RSA125341  Arctostaphylos pungens P. H. Raven 1958-5-18 12981 Riverside 1.7 miles NE of Pinyon Flats, San Jacinto Mountains. Comment
  RSA635770  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16746 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635785  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16528 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA192300  Arctostaphylos rainbowensis H. A. Zuill 1966-6-5 203 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
Read comments
Oct 23 2013
  RSA636006  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19553 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UCR23710  Arenaria macradenia John C. Roos 1943-5-23 2673 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  JOTR31158  Arenaria macradenia var. macradenia La Doux, Tasha 2009-6-3 1866 Riverside Joshua Tree National Park. (Stop 4): Little San Bernardino Mountains, Covington Flats Area, gravelly slopes below peak 1511 Comment
  CAS-BOT-BC401680  Argemone munita subsp. munita Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  SEINET4085707  Argemone munita subsp. munita O. M. Clark 1932-1 5108 Riverside South Hemet. Comment
  JOTR31851  Aristida adscensionis La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2109 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  JOTR35378  Aristida adscensionis Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 167 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA786233  Aristida adscensionis C. P. Cowan 1978-4-23 1225 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCD56429  Aristida adscensionis Geoffrey Levin 1976-10-17 1176 Riverside Colorado Desert, Mecca Hill, Salton Sea Basin, Box Canyon, about 11 miles east of Mecca. 91 Comment
  UCD169369  Aristida californica A. C. Sanders; T. B. Salvato 2012-10-12 40440 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing. 114 Comment
  SEINET5336075  Aristida californica H. M. Hall 1905-5-1 5963 Riverside Lower Sonoran Zone, Canons along Colorado River Comment
  UC912641  Aristida californica var. californica Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
  RSA750740  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2009-5-22 12907 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA125879  Aristida purpurea var. longiseta P. H. Raven 1958-5-18 13003 Riverside Hemet Meadows, San Jacinto Mountains. Comment
Read comments
Jun 9 2012
  UCR19699  Aristida purpurea var. parishii John C. Roos 1965-6-13 s.n. Riverside San Jacinto Mtns., west base of the mountains near San Jacinto River, near Hwy 74 Comment
  UC573786  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto Riverside Camp San Jacinto Quadrangle Comment
  CAS-BOT-BC90192  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  CAS-BOT-BC90198  Artemisia californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-12-25 548 Riverside on trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 914 Comment
  SD233728  Artemisia douglasiana A. C. Sanders, Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  UCR92410  Artemisia douglasiana F. M. Reed 1933-8-13 8011 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  UCSB9169  Artemisia douglasiana Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  RSA0059637  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1935-8-21 6984 Riverside West of Keen Camp P.O. 1360 Comment
  UCR111590  Artemisia dracunculus Mitch Provance 1999-1-5 1740 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  SEINET2044554 Image available Artemisia tridentata var. angustifolia H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs, along route 79. Comment
  RSA682325  Artemisia vulgaris O. F. Clarke 2000-12-9 s.n. Riverside Riverside: in yard of O.F. Clarke residence at 266 Frost Court. 360 Comment
  SD204767  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside North base of San Jacinto Mountains, west of Highway 111, just east of Snow Creek Road. Comment
  RSA0025283  Asclepias albicans J. Andre 2013-3-4 23873 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  SBBG5693  Asclepias albicans K. K. Muller 1958-3-22 923 Riverside 5.5 mi E of Desert Center Comment
  UC154644  Asclepias erosa Rensselaer J. Smith May 1904 306 Riverside Palm Springs Comment
Read comments
Aug 27 2011
  UCR51475  Asclepias erosa S. J. Myers 1987-8-6 s.n. Riverside Aguanga, c. 1/2 mi. west of Hwy 371 at intersection of El Pasta and El Reposo Rd. 642 Comment
  POM201679  Asclepias fascicularis L. M. Booth 824 Riverside roadside. Comment
  SJSU11072  Asclepias subulata R. C. McGehee 1970-5-1 260 Riverside Chuckwalla Springs Rd, 1 mi W of Graham Pass Rd c. 7 mi SW of Interstate Hwy 10 Comment
  POM12825  Aster alpigenus Philip A. Munz 1922-9-6 6391 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  UCR277706  Aster subulatus Mitch Provance 2012-11-3 1112- 06 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCR277761  Aster subulatus Mitch Provance 2012-11-10 1112- 03 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  UCSB10440  Astragalus Robert M. Lloyd 1960-3-23 355 Riverside collected 1.0 mi from, along State Highway 111 SE of Palm Springs U S Highway 99 - , State Highway 111 and Palm Springs 396 Comment
Read comments
Nov 19 2014
  RSA748374  Astragalus aridus Justin M. Wood 2009-3-26 408 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  UC667342  Astragalus bernardinus Annie M. Alexander and Louise Kellogg 1941-4-29 2104 Riverside 13 mi ssw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  CAS-BOT-BC177722  Astragalus crotalariae Annie M. Alexander; Louise Kellogg 1941-3-2 1881 Riverside Roadside 5 miles south of Valerie Comment
  UCR241012  Astragalus didymocarpus Tracy Tennant 1998-4-28 257 Riverside San Jacinto, Ramona Expressway and Donna Way, near bank of San Jacinto River 488 Comment
  UCR20403  Astragalus didymocarpus var. didymocarpus John C. Roos 1952-4-9 5484 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR207696  Astragalus douglasii var. parishii Justin M. Wood, Brandy N. Wood 2009-6-13 888 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  CAS-BOT-BC182986  Astragalus gambelianus A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30107 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  HSC14519  Astragalus insularis C. L. Hitchcock 1966-3-21 24331 Riverside About 15 mi. S of Rice, on dirt road to Blythe. Comment
  SEINET1906293 Image available Astragalus lentiginosus var. albiflorus Sarah J. De Groot, J. Mark Porter 2006-1 5197 Riverside North foot of San Jacinto Mts, between snow Creek Road and Highway 111. 366 Comment
  CAS-BOT-BC187158  Astragalus lentiginosus var. coachellae Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6488 Riverside Chuckwalla Valley, 9.5 miles northeast of Desert Center 167 Comment
  POM24940  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert. 240 Comment
  RSA125538  Astragalus leucolobus R. Weatherby 1949-6-6 659 Riverside Santa Rosa Mountain. 1982 Comment
  LA205563  Astragalus nuttallianus var. cedrosensis Philip A. Munz; D. Keck 1922-4-12 4846 Riverside Chuckwalla Mountains, vicinity of Corn Springs 670 Comment
  UC1595797  Astragalus nuttallianus var. imperfectus W. Wisura, J. Dolan, and M. Wall 1992-3-25 4648 Riverside Ford Dry Lake n of I-10 at Hopkins Well; Ford Dry Lake n of Hopkins Well Comment
  SBBG3264  Astragalus palmeri H. and M. Dearing 1936-12-26 837 Riverside Palms to Pines Hwy 1219 Comment
  RSA0003063  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  CAS-BOT-BC194056  Astragalus tricarinatus P. A. Munz; I. M. Johnston 1922-5-6 5196 Riverside Morongo Wash, Colorado Desert Comment
  RSA482218  Athyrium filix-femina Richard Noyes, L. Arnseth 1988-9-11 738 Riverside San Jacinto Mountains: Lake Fulmor, 6 air miles northwest of Idyllwild. 1616 Comment
  RSA482798  Athysanus pusillus Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CDA10364  Atrichoseris platyphylla M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  RSA727006  Atrichoseris platyphylla Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA760149  Atrichoseris platyphylla Gregory Pongetti 2005-4-9 5 -24 Riverside Box Canyon Wash, 7.5 miles on Box Canyon Road south of I-10. Comment
  SBBG104632  Atrichoseris platyphylla T. Glenn 1991-5-2 91 -19 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  SBBG99287  Atrichoseris platyphylla W. L. Halvorson 1977-5-2 77 -17 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR207995  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet 305 Comment
  POM13060  Atriplex canescens E. C. Jaeger 1921-7-15 s.n. Riverside Soboba Hot Springs Comment
  RSA356891  Atriplex canescens R. F. Thorne 1966-10-15 41789 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA643293  Atriplex canescens R. D. Goeden, D. W. Ricker 1964-1-23 s.n. Riverside Coachella Valley: Indio, Jefferson St. at Hwy 111, near Whitewater River Channel., 33 42'30''N, 116 16'W 15 Comment
  RSA736755  Atriplex canescens Scott D. White, Lynn Stafford 2007-6-27 11747 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  UC1080345  Atriplex canescens E. K. Balls and P. C. Everett 1957-11-5 22757 Riverside just s Thermal (State Hwy 111); s of Thermal 30 Comment
  UC850766  Atriplex canescens Lewis S. Rose 1938-12-17 38316 Riverside Palm Springs Palm Springs (Desert washes) 137 Comment
  CAS-BOT-BC170227  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-10-31 324 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. 167 Comment
  CAS-BOT-BC170228  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-8-29 331 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. Comment
  RSA5453  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  UCR18789  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside Perris-Aguanga Basin, 1 mi SE of Perris. San Jacinto River bottomlands. Comment
  UCR63943  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2036 Riverside San Jacinto Valley, 6.5 km west of Hemet, c. 600 m SW of the intersection of Warren Ave and Florida Street, and 0-50 m east of the MWD 'San Diego Canal 457 Comment
  RSA478263  Atriplex hymenelytra N. C. Cooper 1949-4-8 3273 Riverside Mecca Pass east of Indio 549 Comment
  POM278733  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 582 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  HSC80295  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  RSA752292  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR65299  Atriplex suberecta Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Peninsular Range, Vail Lake area, along road, near summit of 'Little' Oak Mtn. 628 Comment
  UCR99570  Azolla filiculoides Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1418 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  JOTR33815  Baccharis brachyphylla La Doux, Tasha, B. Truesdell 2007-11-9 3330 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along park south boundary (STOP 6) 655 Comment
  UCR274215  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  CLARK-A1528-1623  Baccharis emoryi John C. Roos 1948-11-6 4077 Riverside Box Springs Mountains Comment
  CAS-BOT-BC106741  Baccharis salicifolia S. B. Parish 1912-6-27 8127 Riverside Alkaline flats at Mecca Comment
  UCR189288  Baccharis salicifolia Fred M. Roberts, S. Leatherman 2007-9-19 6591 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SEINET10616771  Baccharis salicifolia Frederick M. Reed 1934-1-6 Reed 8686 Riverside Shrub growing on waste ground. 244 Comment
  UC1118894  Baccharis salicifolia subsp. salicifolia A. Lewis 1934-2-1 303 Riverside 2 mi ne Auburndale; Corona Quadrangle 152 Comment
  UC893720  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi nw Elsinore 457 Comment
  JEPS21264  Baccharis salicina S. B. Parish 1912-10-10 8348 Riverside Dos Palmas 0 Comment
  SEINET2045190 Image available Baccharis sarothroides B. Pitzer 1996-11-11 2931 Riverside Orocopia Mountains: Salt Creek Wash, at intersection w/SR211, 4 rd. mi. S of Bob's Cabin. Hayfield 15'USGS Quad.:T7s,R14ESW/4, S7 274 Comment
  SD248322  Baccharis sergiloides A. C. Sanders, T. B. Salvato, et al. 2013-10-2 40957 Riverside Peninsular Range: Wilson Valley Preserve, 0.12 mile south of Wilson Valley Road, 1.1 mile east of Sage Road, 1.65 mile east of Round Top Mountain. 769 Comment
  UC893737  Baccharis sergiloides Carl B. Wolf 1932-10-1 4272 Riverside Morongo Wash, 3/10 mi below San Bernardino Co line Colorado Desert, Little San Bernardino Mts. 670 Comment
  CDA37810  Bacopa monnieri CDFA Staff 1983-1-23 s.n. Riverside Desert Island Country Club, northeast of Rancho Mirage. 0 Comment
  CAS-BOT-BC106612  Baileya pleniradiata Ira L. Wiggins 1941-3-27 9684 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  CHSC26007  Bebbia juncea James Henrickson 1971-4-2 5482 Riverside Near Hidden Oasis, 13 miles E of Palm Springs. 182 Comment
  POM308551  Bebbia juncea Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3144 Riverside 10 miles east of Indio. Comment
  RSA189408  Bebbia juncea L. S. Rose 1966-12-14 66111 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  JEPS20769  Bebbia juncea var. aspera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13263 Riverside divide betw. Little Maria and Big Maria Mts., .5 mi s of Styx siding near Midland Comment
  SEINET3862253  Beloperone californica Sears 1978-3-18 949 Riverside 10 mi. SW of Desert Center, 8 mi S of Interstate 10 on Red Cloud Road following mining Railroad Wash area.; 0 457 Comment
  RSA753535  Berberis nevinii Michael Wall 2009-6-10 518 Riverside CNDDB EO # 04; south of Redlands ca. 0.75 miles up an unnamed canyon off San Timoteo Canyon Rd. ca. 0.5 miles NW of jct with Allesandro Blvd, (road entrance is by an abandoned dairy) 496 Comment
  UC2015577  Bernardia incana A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  SEINET12141255  Bernardia myricifolia S. B. Parish, Parish, W. F. 1882-1 752 Riverside Whitewater Comment
  SEINET3347392 Image available Bernardia myricifolia Andrew C. Sanders, Chika Mori 2011-6-14 39662 Riverside Peninsular Range; Santa Rosa Mtns.; Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  UCR135738  Bernardia myricifolia Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9008 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR13719  Bernardia myricifolia N. R. Zabriskie, W. W. Zabriskie 1971-4-9 364 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  UCR92654  Berula erecta F. M. Reed 1933-8-13 8012 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  CAS-BOT-BC140664  Bidens laevis Oleg Pryadko 2008-5-2 058 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
  UCR239926  Bidens laevis O. F. Clarke 2005-11-25 s.n. Riverside Prado Basin, Santa Ana River near Corona 155 Comment
  CSUSB939  Bloomeria crocea John Milbauer 1976-5-12 Riverside Pigeon Pass Road. Comment
  SEINET8466122 Image available Bloomeria crocea N. Cooper 1944-7-16 1542 Riverside San Jacinto Mtn., Pine Cove. 1524 Comment
  SEINET225802  Bloomeria crocea var. crocea K. M. Kummer 1981-5-19 Riverside Box Springs Mountains Box Springs Reserve 732 Comment
  POM305718  Boechera californica Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1021 Riverside Hemet-Anza, Bautista Creek Road. Comment
  CAS-BOT-BC16256  Boechera glaucovalvula Philip Alexander Munz 1949-4-11 13019 Riverside Mohave Desert. North base of Eagle Mountains. Near Conejo Well. 914 Comment
  CAS-BOT-BC14182  Boechera perennans H. K. Wagnon 1944-3-19 353 Riverside Along South rim of Tahquitz Canyon above Falls, Palm Springs. Comment
  LA204239  Boechera pulchra H. Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  CAS-BOT-BC25456  Boechera retrofracta C. L. Hitchcock 1940-4-5 5966 Riverside Above Cottonwood Spring. Comment
  UCR23481  Boerhavia coccinea John C. Roos 1966-9-20 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  JOTR38525  Boerhavia coulteri var. palmeri Harding, Mitzi, Kipp Callahan 2012-8-27 294 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  JOTR30694  Boerhavia intermedia La Doux, Tasha, Jim Andre 2008-9-13 265 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR215582  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  RSA793475  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 A Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR233938  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  CAS-BOT-BC31018  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  JOTR16775  Bouteloua barbata var. barbata Hogan, J. 1975-9-6 162 Riverside Joshua Tree National Park. 999 Comment
  SBBG128734  Bowlesia incana A. C. Sanders, T. W. Chumley 2013-3-29 40714 Riverside Elsinore Area; Alberhil, Lake St near bridge over Temescal Wash between Temescal Cyn Rd and I-15 Fwy 380 Comment
  SEINET7073401  Bowlesia incana A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC2029928  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  HSC101263  Brandegea bigelovii Jim Andre 2012-3-19 21362 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  JOTR16656  Brandegea bigelovii Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UC700945  Brandegea bigelovii Aven and Ruth Nelson 1939-3-28 3304 Riverside s of Mecca (near Salton Sea, Highway 111); Highway 111 Comment
  UCR102706  Brandegea bigelovii B. G. Pitzer 1998-1-24 3390 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR102950  Brandegea bigelovii George K. Helmkamp 1998-4-4 3169 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR108721  Brandegea bigelovii Scott D. White, Sandy Leatherman 1998-4-15 6287 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  UCR281089  Brandegea bigelovii 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
  CLARK-A1528-344  Brassica geniculata Ken F. Clarke 1971-8-11 Riverside Riverside Comment
  RSA0106891  Brassica nigra Daphne K. Christopher, Hannah Stevens 2003-4-4 95 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  CLARK-A1703-1190  Brassica tournefortii Charles S. Papp 1964-5-22 468 Riverside Riverside Comment
  OBI75937  Brassica tournefortii James M. Andre 2011-2-9 15931 Riverside Mecca Hills; along Box Cyn Rd at upper end of gorge, approx 6 mi SSE of jctn with I-10, approx 12 mi W of Chiraco Summit 284 Comment
  UCR174152  Brassica tournefortii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32527 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA0063254  Brassica tournefortii J. B. Feudge 1927-2-25 1660 Riverside Coachella, Colorado Desert. Comment
  LA203099  Brickellia californica W. E. Pequegnat; 1939-4-8 sn Riverside Santa Ana Mountains Comment
  POM13296  Brickellia californica E. C. Jaeger 1921-10-9 119 Riverside Tacquitz Canyon, Palm Springs. Comment
  RSA191409  Brickellia californica E. W. Lathrop, R. F. Thorne 1967-9-26 6617 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA69831  Brickellia desertorum J. C. Roos 1951-10-19 5328 Riverside Gilman Hot Springs 459 Comment
  UCR279367  Brickellia desertorum A. C. Sanders, Jim Malusa 2017-3-24 42979 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
  UCR41321  Brickellia desertorum N. M. Fellows 1984-11-12 36 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  UCR18575  Brickellia nevinii John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  JOTR31136  Brickellia oblongifolia var. linifolia La Doux, Tasha 2009-6-3 1848 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  RSA191990  Brodiaea filifolia E. W. Lathrop 1966-5-1 6237 Riverside 3 miles W of Murrieta Comment
  RSA92586  Brodiaea filifolia J. C. Roos 1952-5-14 5667 Riverside San Jacinto River bottom 1 mile east of Perris. Comment
  CLARK-A1528-2794  Brodiaea terrestris William E. Wayburn 1973-5-26 730526 Riverside Murrieta 548 Comment
  UCR182519  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 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
  UC1871317  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Peninsular Ranges; Palomar Mountains region; 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. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  RSA653140  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside 1012 Spruce Street, Riverside Comment
  SEINET799016  Bromus arizonicus O. F. Clarke 1973-1 s.n. Riverside The O. F. Clarke residence, 1012 Spruce Street. Comment
  CAS-BOT-BC149443  Bromus berteroanus John Roos; Lucille Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon south of Palm Springs. 274 Comment
  RSA741063  Bromus carinatus Scott D. White, Justin M. Wood 2008-6-5 12070 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  CAS-BOT-BC149307  Bromus carinatus var. carinatus Ralph Hoffmann 1929-9-8 s.n. Riverside Mount San Jacinto. 1828 Comment
  CAS-BOT-BC149308  Bromus carinatus var. carinatus Ralph Hoffman 1929-9-11 s.n. Riverside Mount San Jacinto. 1645 Comment
  UC1131209  Bromus madritensis subsp. rubens A. Lewis Mar 1933 178 Riverside 2 1/2 mi s of Horseshoe Lake ((also found on Gavilon Peak)) 152 Comment
  CLARK-A1528-43  Bromus mollis C. M. Flanagan 1973-5-12 OO 409 Riverside Morongo Indian Reservation 1158 Comment
  CLARK-A1528-44  Bromus mollis Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  SEINET3923287  Bromus rubens D. Atwood 1993-3-27 17691 Riverside Sandy benches above and adjacent to coast. Corona Del Mar State Park along Newport coast Drive.; 0 Comment
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Jul 20 2015
  UCR102764  Bromus rubens B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .2 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
  UCR233072  Bromus rubens Edith B. Allen 2012-1-14 112- 02 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  UC1979650  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. Comment
  UCR230762  Bromus tectorum A. C. Sanders, T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA0034863  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UC816450  Bromus trinii C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument, Cotttonwood Spring wash Joshua Tree National Monument; , Cotttonwood Spring wash Comment
  UCR168225  Bromus trinii Mary F. Spencer 1920-4-5 1545 Riverside Sonoran (Colorado) Desert, Palm Springs 122 Comment
  JEPS76396  Caesalpinia virgata L. R. Heckard 1977-3-15 4519 Riverside e. Mecca (lower end of Box Canyon near Garfield St. Junction); Box Canyon 91 Comment
  POM310141  Caesalpinia virgata Hulda Crooks 1946-3-2 267 Riverside Palm Springs area. 139 Comment
  RSA405287  Caesalpinia virgata N. C. Cooper 1944-5-20 2621 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  SEINET12804035  Caesalpinia virgata Chris Dietrich, M. Merello & H. Schmidt 1994-1 25 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road. BLM land. Desert Access Guide Map #17. 358 Comment
  UC279670  Caesalpinia virgata unknown 1925-12-18 Riverside Fish Traps near Oasis Comment
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Feb 3 2011
  UC380625  Caesalpinia virgata M. E. Jones 1906-4-27 Riverside Indio Comment
  UCR89830  Caesalpinia virgata George K. Helmkamp 1994-3-10 42- 18 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
  UCR172221  Calandrinia ciliata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  RSA192159B  Callitriche marginata E. W. Lathrop 6241 -B Riverside 3 miles west of Murrieta, Santa Ana Mts. Comment
  POM6473  Calocedrus decurrens George B. Grant 1901-08 s.n. Riverside Strawberry Vally, San Jacinto Mts. Comment
  RSA784188  Calochortus J. D. Olmsted 1959-5-17 632 Riverside Hills of the Perris block [/range]. Drainage area to Lake Elsinore. The Gavilan district. 15 mi SE of Corona. 686 Comment
  UCR154627  Calochortus A. C. Sanders, Mike Misenhelter 2005-6-15 30994 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CSUSB393  Calochortus albus Bill Marks 1971-5-16 Riverside Santa Ana Mountains Found in Santa Ana Mountains, Rancho California area near De Luz. Growing on the roadside. Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  LA22459  Calochortus palmeri Elizabeth McClintock; 1938-5-18 sn Riverside San Jacinto Mountains Comment
  SBBG22199  Calochortus palmeri var. munzii H. and M. Dearing 1940-6-8 4352 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  CAS-BOT-BC132461  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UC454390  Calochortus plummerae I. J. Condit 1910-6-21 Riverside San Jacinto Mts. 609 Comment
  UC729646  Calochortus plummerae Carl B. Wolf 1932-5-25 Riverside 1.5 mi sw Summit of Moreno Grade (sw of Beaumont); Bad Lands 548 Comment
  RSA377463  Calochortus splendens N. C. Cooper 1949-6-29 4326 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA377468  Calochortus splendens R. K. Benjamin 1929-5-18 234 Riverside Mt. San Jacinto. Comment
  POM99048  Calycadenia tenella E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  JOTR34060  Calycoseris parryi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2958 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  JOTR01242  Calycoseris parryi Cole, James E. 1941-4-23 641 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  OBI8308  Calycoseris wrightii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12057 Riverside Along Box Cyn rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  CHSC110692  Calystegia longipes Dean Wm. Taylor 2003-5-7 18542 Riverside 1 mi. SE of Steele Peak, 0.4 miles NNW of Good Hope Mine, under electrical transmission line corridor. 579 Comment
  UCR24124  Calystegia macrostegia John C. Roos 1950-4-22 4748 Riverside Pigeon Pass. 457 Comment
  UCR250201  Calystegia macrostegia A. C. Sanders 2014-4-23 41046 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA0051250  Calystegia macrostegia subsp. longiloba Paul McLaughlin 1976-4-7 0407761 Riverside Box Springs Mountains one mile west of Box Springs Mt. Road along County Park trail. 822 Comment
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA0040100  Camissonia arenaria Duncan S. Bell, LeRoy Gross 2014-3-13 6244 Riverside Orocopia Mountains; southern section of range; approximately 1.9 air miles west northwest of Clemens Well. 285 Comment
  CLARK-A1528-652  Camissonia bistorta Charlotte Stocks 1964-5-15 Riverside Warner Hot Springs Comment
  RSA612487  Camissonia bistorta D. L. Banks 1997-2-23 1330 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR20791  Camissonia bistorta A. C. Sanders, Steve Boyd 1980-5-2 1416 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR93824  Camissonia bistorta P. J. MacKay 1996-6-15 003 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  UCR249508  Camissonia boothii subsp. condensata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7282 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA792831  Camissonia brevipes Justin M. Wood, Dustin Ray 2011-4-28 3852 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  RSA75371  Camissonia brevipes subsp. brevipes F. W. Peirson 1930-3-29 8686 Riverside Colorado Desert. Painted Canyon, near Mecca. Comment
  SEINET3093141 Image available Camissonia brevipes subsp. brevipes G. K. Helmkamp, E. A. Helmkamp 1998-1-17 2545 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. Comment
  UCR216225  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-2-25 10819 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  HSC16493  Camissonia californica R. A. Eagle 1964-3-28 22 Riverside 6.3 mi. out of Palm Springs on the Thunderbird Rd. Comment
  UCR98343  Camissonia californica A. C. Sanders, G. Helmkamp 1997-3-15 19919 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  HSC66473  Camissonia cardiophylla Christopher Davidson, Josephine Jones 1980-4-4 9937 Riverside W end of Orocopia Mtns., canyon and wash almost due S of Oro Peak Comment
  RSA20301  Camissonia cardiophylla Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9569 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  CLARK-A1528-5363  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountains Comment
  UCR126445  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 42 Riverside Coachella Valley, 50th St. at Filmore, 2.5 mi east of town of Coachella -8 Comment
  RSA448933  Camissonia claviformis subsp. aurantiaca Robert L. Dressler 1949-3-19 395 Riverside Box Canyon, Orocopia Mts. Comment
  RSA777757  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1078 Riverside Shavers Well area of Mecca Hills 305 Comment
  UCR23207  Camissonia confusa J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  POM13793  Camissonia hirtella P. A. Munz 1922-4-28 5086 Riverside West of Lake Elsinore, base of mountain-slope. 488 Comment
  UCR239879  Camissonia hirtella O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  RSA586097  Camissonia ignota D. L. Banks, Steve D. Boyd 1995-4-5 137 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, along the Dripping Springs Trail. 610 Comment
  UCR120965  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23883 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA612691  Camissonia intermedia D. L. Banks 1997-3-29 1607 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR97672  Camissonia intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19907 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCR97901  Camissonia intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19853 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA771702  Camissonia pallida subsp. hallii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4699 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 W116.65130 604 Comment
  POM13205  Camissonia strigulosa P. A. Munz, I. M. Johnston 1922-5-20 5466 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA186604  Camissonia strigulosa Peter H. Raven 1959-5-17 14234 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  RSA395908  Camissonia strigulosa Steve Boyd 1986-4-22 1774 Riverside Temescal Canyon: Horsethief Wash N of Temescal Cyn. Road. Comment
  UCR256910  Camissonia strigulosa Naomi Fraga, Duncan S. Bell 2009-5-6 2706 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  UCR44448  Camissonia strigulosa A. C. Sanders, B. Pitzer 1986-4-30 6472 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  SD185266  Camissoniopsis bistorta T. B. Salvato, Kent Beaman 2005-5-16 802 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  UCR195707  Camissoniopsis confusa A. C. Sanders 1998-3-17 21746 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
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Mar 13 2015
  SD215583  Camissoniopsis lewisii Steve Boyd, Tim Ross et al 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  SD185273  Camissoniopsis pallida A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Bernardino Mountains/Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62 (Desert Hot Springs 7.5'Q) 609 Comment
  SD225045  Camissoniopsis pallida G. K. Helmkamp 1998-4-3 3064 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. Comment
  CHSC35468  Camissoniopsis pallida subsp. hallii James Henrickson 1973-3-18 8598 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Guanga along Hwy 71. 822 Comment
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Nov 15 2006
  JEPS31585  Camissoniopsis pallida subsp. pallida W. L. Jepson 1914-5-18 6006 Riverside n Indio; Colorado Desert, Pinon Well grade 762 Comment
  UCR181665  Cardamine hirsuta Chet McGaugh 2006-12-12 s.n. Riverside Riverside, Arlington Heights area near Mockingbird Reservoir, Monroe St. at Irving St. 320 Comment
  UCR109622  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1970-3-30 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  CAS-BOT-BC18450  Carex abrupta H. E. Hasse 1903-6-23 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  RSA201250  Carex athrostachya Peter Kamb 1947-6-7 579 Riverside Hall Canyon, San Jacinto Mountains. 1646 Comment
  CAS-BOT-BC412825  Carex barbarae R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  SD127288  Carex feta Reid Moran 1977-7-4 24296 Riverside Summit of Mount San Jacinto; common among rocks. 3050 Comment
  RSA719520  Carex multicostata Naomi Fraga, et al. 2006-7-11 1715 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  POM1479  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Murrieta. 305 Comment
  RSA648963  Carex praegracilis A. C. Sanders, Steve Boyd 1980-5-19 1501 Riverside San Jacinto Mtns., Garner Valley. west of Kenworthy Ranger Station. 1371 Comment
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Mar 25 2011
  POM19848  Carex subfusca Mary F. Spencer 1923-6-12 2177 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  SEINET8573523 Image available Carex subfusca P. Zika, Otting, N 2010-1 25237 Riverside Comment
  RSA400521  Castilleja angustifolia Frances L. Cramer 1941-5-3 20325 Riverside Joshua Tree National Monument Comment
  UCR81101  Castilleja applegatei subsp. martini Scott D. White 1993-5-29 1462 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge Comment
  POM307280  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2139 Riverside Santa Rosa Mountains. Comment
  RSA448700  Castilleja applegatei subsp. martinii Christopher Davidson 1975-6-16 2816 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  RSA507965  Castilleja applegatei subsp. martinii Steve D. Boyd, C. Boyd, R. Noyes, L. Arnseth 1988-5-28 2283 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA730550  Castilleja applegatei subsp. martinii John F. Emmel 1983-6-6 860 Riverside SE end San Jacinto Mts.; switchbacks of trail from Tripp Meadow to Cedar Spring, 0.7 air mile NNW of Pyramid Peak. 1860 Comment
  RSA9765  Castilleja applegatei subsp. martinii Louis C. Wheeler 1931-10-3 193 Riverside Among boulders on summit. Tahquitz Peak, San Jacinto Mts. 2691 Comment
  RSA0010932  Castilleja exserta subsp. exserta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1318 Riverside Palms to Pines Highway. Comment
  CSUSB894  Castilleja foliolosa Steve Kulju 1974-5-9 Riverside Jack Rabbit Trail, one mile south of U.S. Highway 60. 487 Comment
  OBI8275  Castilleja foliolosa David J. Keil, Malcolm McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  POM310144  Castilleja foliolosa Hulda Crooks 1946-4-15 346 Riverside 29 Palms Canyon 396 Comment
  UCR121310  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25008 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  RSA783626  Castilleja martinii J. D. Olmsted 1962-5-3 3495 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  UCR121245  Castilleja martinii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2283 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0030795  Castilleja miniata Mary F. Spencer 1922-6-26 1977 Riverside Idyllwild, San Jacinto Mountains. 1220 Comment
  POM97996  Caulanthus hallii E. C. Jaeger 1926-4-15 s.n. Riverside Smith Canyon, Little San Bernardino Mts 1220 Comment
  RSA736036  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Hills to the W of I-215 and S of Scott Rd. 488 Comment
  SDSU17496  Caulanthus heterophyllus Jerry Jenkins 2001-3-30 2001 -018 Riverside Santa Margarita Ecological Reserve. West side of S.M. river, slightly north of station. UTM zone 6, 481700E, 3699400N. UTM transfered to GIS. Comment
  UCR52325  Caulanthus heterophyllus Maureen Hales Pendleton 1988-2-22 s.n. Riverside Peninsular Range, Rancho California area, c. 8 mi (airline) NE of Temecula, between Bruce Lane and Via View Dr. [c. 2.75 mi. north of Vail Lake dam] 732 Comment
  UCR97481  Caulanthus heterophyllus John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, Chino (Tramway) Canyon, along both sides of road. 500 Comment
  CAS-BOT-BC40265  Caulanthus lasiophyllus Steve Boyd 1986-4-2 1608 Riverside Gavilan Plateau. Gavilan Hills. Harford Springs County Park. 640 Comment
  HSC85460  Caulanthus lasiophyllus Steve Boyd 1986-4-2 1608 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR27051  Caulanthus simulans L. F. LaPre, E. B. Ellis 1982-4-24 s.n. Riverside Santa Rosa mtns, Pinyon Flat, along road to the dump 1220 Comment
  CLARK-A1528-5724  Ceanothus crassifolius John C. Roos 1948-5-22 3862 Riverside Box Springs Mountains Comment
  LA41993  Ceanothus crassifolius W. E. Pequegnat; 1938-1-23 sn Riverside Santa Ana Mountains, Indian Rd 548 Comment
  RSA575071  Ceanothus crassifolius Steve Boyd 1981-3-4 575071 Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575074  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -W Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  CAS-BOT-BC49183  Ceanothus cuneatus Carl B. Wolf 1941-8-12 11144 Riverside San Jacinto Moutains, 4 mi. so. of Idylwild on road to Tauquitz Lodge 1371 Comment
  SD82811  Ceanothus greggii var. perplexans R. S. Woglum 1937-5-22 577 Riverside Santa Rosa Mountains Comment
  HSC86327  Ceanothus integerrimus Jane Hildreth 1981-6-4 16 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  RSA343875  Ceanothus leucodermis Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60665 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  SEINET11192040  Ceanothus oliganthus subsp. oliganthus C. L. Schmidt 1995-3-25 1315 Riverside ca. 10 miles S of Hemet R3 (Sage Road) St. John's Canyon, close to McGee Hills. 610 Comment
  RSA606740  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27407 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
  UCR89465  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7916 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  RSA0054959  Ceanothus papillosus Keith E. Hoffmaster 1932-4-17 503 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  LA44916  Ceanothus perplexans H. Lewis; 1939-4-9 sn Riverside Pines to Palms Highway 761 Comment
  SBBG68316  Ceanothus perplexans M. N. Ackley 1928-4-4 929 Riverside Moreno Grade 762 Comment
  UCR92781  Ceanothus tomentosus Scott D. White 1994-3-29 1936 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SBBG124425  Ceanothus velutinus S. D. White with J. M. Wood 2009-5-21 12866 Riverside 0.5 mi NW of Morris Ranch Rd (Kenworthy Ranger Station), Garner Valley 1372 Comment
  CAS-BOT-BC184975  Cenchrus echinatus Lewis S. Rose 1957-1-3 57006 Riverside La Quinta. 15 Comment
  UCR158860  Cenchrus incertus Scott D. White 1994-6-23 2087 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  CDA7292  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA763063  Centaurea melitensis E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  RSA69871  Centaurea solstitialis J. C. Roos 1951-9-25 5253 Riverside Fairmount 259 Comment
  RSA391499  Centaurium venustum N. C. Cooper 1947-4-5 2096 Riverside Los Alamos Canyon, [Lake] Elsinore. 762 Comment
  UCR143377  Centaurium venustum C. B. Wolf 1932-8-6 3994 Riverside San Jacinto Mountains, 2.9 mi from Idyllwild on the [control] road to Hemet 1220 Comment
  SD134524  Centromadia pungens subsp. laevis Craig Reiser 1991-7-10 Riverside Moreno Valley, Sycamore Canyon Park W of Eucalyptus Street Comment
  SEINET8191759 Image available Centromadia pungens subsp. laevis D. W. Taylor 2003-5-8 18550 Riverside San Jacinto Wildlife Area, Davis Road, 0.5 mile N of Lakeview. 434 Comment
  UC1787515  Centromadia pungens subsp. laevis Barry L. Jones Riverside USGS quad. For Wildomar & Lake Elsinore, Lake Elsinore area, just N of the intersection of Corydon Road and Grand Road. Comment
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Mar 31 2011
  UCR253360  Centromadia pungens subsp. laevis Karyn L. Drennen 2014-5-13 027 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  POM15153  Cercidium floridum Mary F. Spencer 1922-3-27 1403 Riverside Canyon prope [near] Mecca 49 Comment
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May 29 2011
  UC68641  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5784 Riverside 10 mi w Coachella; Colorado Desert 121 Comment
  LA47736  Cercocarpus betuloides Elizabeth McClintock; 1936-7-19 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR79226  Cercocarpus minutiflorus Steve Boyd, T. S. Ross 1992-2-21 6669 Riverside Santa Ana Mtns., Southern part of Mtns., San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 854 Comment
  UCR150010  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CSUSB1489  Chaenactis fremontii Wayne R. White 1975-5-10 S. N. Riverside Chuckwalla Mountians Red Cloud road, south of Highway I-10, Colo. Desert 609 Comment
  JEPS5008  Chaenactis fremontii Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4072 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  RSA100834  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazone Comment
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Feb 15 2013
  RSA550043  Chaenactis fremontii Walter Wisura, A. King, L. Newcomb 1992-4-10 4664 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UC1518618  Chaenactis fremontii Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55440 Riverside e of, at s end of ridge Whitewater Post Office (e of bridge, and on base of w-facing slope of ridge); San Bernardino Mts., Mouth of Whitewater Canyon 411 Comment
  SD153123  Chaenactis fremontii Robert Lauri 2001-3-24 51 Riverside [No locality written on label] (mak 1/08) Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  RSA0087537  Chaenactis glabriuscula Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning. Comment
  POM351763  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-3-25 1029 Riverside Cabazon. 457 Comment
  UC31038  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2056 Riverside vicinity of Chalk Hill; San Jacinto Mountains, Chalk Hill 1524 Comment
  UC63012  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3851 Riverside vicinity of Riverside 457 Comment
  RSA741203  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  JEPS8889  Chaenactis stevioides E. E. Schellenger 1920-5-1 Riverside canon e of Coachella; Colorado Desert Comment
  JOTR35466  Chaenactis stevioides Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 69 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UC494758  Chaenactis stevioides C. L. Hitchcock 1932-4-8 12215 Riverside 1 mi w of Cottonwood Spring Comment
  UC69075  Chaenactis stevioides H. M. Hall 1905-5-1 6018 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs 670 Comment
  UCD20147  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -19 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  POM159842  Chaenactis stevioides var. stevioides E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. Comment
  RSA0021556  Chamaesyce micromera Duncan S. Bell 2012-3-4 3140 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  CHSC39253  Chamaesyce polycarpa M. O. Dillon; E. Rodriguez 1977-1-29 796 Riverside Ca. 1 mi. E of Mecca. Mojave Desert. Comment
  RSA0021558  Chamaesyce polycarpa Duncan S. Bell, Aaron Sims 2012-3-10 2045 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  SBBG4029  Chamaesyce polycarpa H. and M. Dearing 1930-4-14 953 Riverside near Palm Springs Comment
  SEINET3365550  Chamaesyce polycarpa G. Rink 2011-9-25 11074 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  JOTR01095  Chamaesyce polycarpa Cole, James E. 1941-4-13 573 Riverside Joshua Tree National Park. PINTO BASIN; 1/2 MILE NORTH OF MEEK'S CABIN 609 Comment
  UC869131  Chamaesyce setiloba Alice Eastwood 1913-4-30 2978 Riverside Palm Springs Comment
  CAS-BOT-BC70032  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1/2 mi. below fish hatchery 548 Comment
  CAS-BOT-BC70038  Cheilanthes covillei Edmund C. Jaeger 1922-4-10 s.n. Riverside Mouth of Snow Creek, Colorado Desert 304 Comment
  RSA0097134  Cheilanthes covillei Jim M. Andre 2012-4-11 20693 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA85555  Cheilanthes covillei F. W. Peirson 1921-3-22 2331 Riverside Murray Canyon near Palm Springs. 488 Comment
  RSA162781  Cheilanthes covillei J. Olmstead 1959-11-28 1086 Riverside Snow Creek on alluvium near junction of falls creek and Snow creek, San Jacinto Mountain Range. 609 Comment
  RSA0000023  Cheilanthes parishii P. A. Munz 1921-12-31 4696 Riverside Andreas Canyon, Palm Springs. Comment
  CAS-BOT-BC68051  Cheilanthes parryi C. L. Parry; J. G. Lemmon 1876-4-1 s.n. Riverside Colorado Desert side of Mt. San Jacinto Comment
  JOTR35149  Cheilanthes parryi La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3261 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA0120484  Chenopodium Duncan S. Bell, Thomas Stoughton 2016-3-15 s.n. Riverside Orocopia Mountains; southwest section of the range; along the Coachella Canal, near its junction with Dos Palmas Springs Road. 23 Comment
  UC7267  Chenopodium H. M. Hall July 1901 Riverside Fullers Mill Comment
  CLARK-A1528-2557  Chenopodium ambrosioides var. anthelminticum John C. Roos 1952-6-10 5756 Riverside Santa Ana River 259 Comment
  UCR171135  Chenopodium berlandieri John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  CLARK-A1528-4990  Chenopodium californicum John C. Roos 1951-9-25 5301 Riverside Riverside 259 Comment
  RSA523512  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3970 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UCR155168  Chenopodium californicum A. C. Sanders 2005-5-4 29847 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR201431  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCD169562  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills. 1580 Comment
  UCR167682  Chenopodium rubrum T. B. Salvato, Melissa Clemons 2005-6-23 1299 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA356894  Chilopsis linearis R. F. Thorne 1966-10-15 41786 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  UC370345  Chilopsis linearis subsp. arcuata unknown 1928-5-20 3 Riverside Palm Springs Comment
  RSA679073  Chimaphila umbellata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1444 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  CAS-BOT-BC474741  Chloris truncata R. E. Riefner, Jr. 2015-10-24 15 -418 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  CAS-BOT-BC184866  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley. 20 miles west of Blythe on the Mecca Road. 121 Comment
  UCR87944  Chloris virgata A. C. Sanders 1994-1-30 14222 Riverside Corona, Orange Heights section. D.R. Horton Custom Homes tentative tract, north side of Chase Drive between Rimpau (Lester) Avenue and California (Compton) Avenue 300 Comment
  RSA689682  Chloris virgata R. E. Riefner Jr. 2003-10-21 3 -459 Riverside Menifee Valley, along Newport Road 1 mile E of Goetz Road intersection 442 Comment
  JOTR16633  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA392609  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1949-4-8 3240 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  UCR158883  Chorizanthe coriacea Scott D. White 1994-6-14 2067 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR175062  Chorizanthe fimbriata Teresa Nieto 2005-5-26 33 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SDSU13918  Chorizanthe fimbriata var. fimbriata Michael G. Simpson 2000-5-13 2116 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  SDSU4926  Chorizanthe fimbriata var. fimbriata H. Wedberg 1962-5-23 933 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Jan 24 2013
  UCR86987  Chorizanthe fimbriata var. fimbriata Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UC52620  Chorizanthe leptotheca Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR139156  Chorizanthe leptotheca 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 1220 Comment
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  POM13287  Chorizanthe parryi var. parryi E. C. Jaeger 1920-3-25 1058 Riverside Palm Springs. Comment
  POM182352  Chorizanthe parryi var. parryi Katherine Brandegee 1905-5-12 s.n. Riverside Near Riverside. Comment
  UCR220137  Chorizanthe parryi var. parryi D. E. Bramlet 1995-4-13 2393 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, 7800 ft. north of Rawson Rd., 5800 ft. east of MWD canal, & 1200 ft. NE of knoll 2143 616 Comment
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  UCR252763  Chorizanthe polygonoides var. longispina John Dvorak 2011-4-6 011 Riverside Perris Aguanga Basin, Bundy Canyon Road, approximately 80 meters north of intersection with Oak Circle Drive, in mowed/disturbed firebreak buffer 490 Comment
  UCR97276  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2400 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  RSA392745  Chorizanthe rigida Robert Gustafson 1983-3-27 2483 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA555333  Chorizanthe rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12088 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SEINET10445998 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, and Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5km WNW of White Water, 20km NW of Palm Springs 456 Comment
  UCR18188  Chorizanthe xanti var. leucotheca A. C. Sanders 1978-4-30 547 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  RSA797252  Chrysolepis sempervirens Robert F. Thorne, Walter Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  CLARK-A1528-1768  Chrysopsis villosa John C. Roos 1965-9-16 Riverside Hemet Comment
  POM352020  Chrysothamnus paniculatus E. Crow 1928-11-12 88 Riverside Morongo Pass, Colorado Desert Comment
  JOTR34385  Chylismia brevipes subsp. brevipes Andre, Jim 2012-4-16 20908 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UC68524  Chylismia brevipes subsp. brevipes H. M. Hall April, 1905 5833 Riverside near Mecca; Colorado Desert -30 Comment
  SD16812  Chylismia cardiophylla subsp. cardiophylla Allen Keller 1937-3-13 Riverside Painted Canyon. Comment
  UCD103880  Chylismia claviformis R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  CAS-BOT-BC160589  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  CAS-BOT-BC160593  Chylismia claviformis subsp. aurantiaca E. A. McGregor 1917-3-20 704 Riverside Colorado Desert. Indio; north of date ranch Comment
  JEPS23425  Chylismia claviformis subsp. peirsonii Newlon 1922-4-2 418 Riverside hwy between Westmoreland and Indio; Colorado Desert Comment
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Apr 3 2011
  UCR115927  Cichorium intybus Mitch Provance 1996-5-13 1083 Riverside Pedley, Horseshoe Lake, c. 300m SW of BM 718, and c. 0.4 mi north of the Santa Ana River 216 Comment
  CAS-BOT-BC289649  Cirsium occidentale var. californicum R. M. Howie 1952-9-22 s.n. Riverside San Timoteo Canyon, west of Beaumont Comment
  RSA370864  Cirsium vulgare R. F. Thorne 1985-7-18 61280 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA525246  Clarkia epilobioides Steve Boyd, T. S. Ross 1990-5-11 4624 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UC58857  Clarkia epilobioides H. M. Hall 1896-4-6 273 Riverside near Riverside; Box Springs Mt. Comment
  SEINET3093400 Image available Clarkia purpurea Scott White 1991-5-13 91 -113 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  UCR116665  Clarkia purpurea A. C. Sanders, Carolyn Washburn 2001-5-10 24233 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  SDSU13942  Clarkia purpurea subsp. quadrivulnera Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2133 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR23236  Clarkia rhomboidea J. C. Lyman 1981-6-6 s.n. Riverside San Jacinto Mtns., Saunders Meadow Road, Idyllwild, near Desert Sun School stables 1677 Comment
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Apr 29 2011
  UCR81098  Clarkia rhomboidea Scott D. White 1993-5-29 1454 Riverside San Bernardino Mtns, Banning Canyon along the road to Raywood Flat, Yucaipa Ridge 1341 Comment
  CSUSB248  Clarkia unguiculata R. Thomasson 1973-6-1 Riverside On Banks Street, adjacent to Fairmount Park in city of Riverside. 289 Comment
  UCR200687  Claytonia parviflora subsp. parviflora Steve Boyd, Aydee Virgen 2004-4-13 10882 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR91429  Claytonia parviflora subsp. parviflora Scott D. White 1995-3-30 2650 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR151433  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1546 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
  UCR166159  Claytonia perfoliata John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UC1537252  Claytonia perfoliata subsp. mexicana Gordon H. True Jr. 1935-3-1 36 Riverside Gavilan Hills 548 Comment
  UCR93017  Claytonia perfoliata subsp. perfoliata G. P. Schultz 1994-4-7 73 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA720598  Clematis lasiantha T. Tennant 1998-5-7 MOR- 85 Riverside Morongo Indian Reservation, Wood Canyon (polygon W8), ca. 0.6miles NNW of Cabazon. 1280 Comment
  UC1714505  Clematis pauciflora Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA440816  Cleome isomeris N. C. Cooper 1944-4-23 1117 Riverside Cabazon 457 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
  UCR24482  Collinsia heterophylla John C. Roos 1950-4-15 4733 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  UCR94077  Collinsia heterophylla Scott D. White, M. Jacobsmeyer 1996-4-20 3939 Riverside Elsinore Basin, Bundy Canyon, east of Lake Elsinore; c. 1 road mi. east of Bundy Canyon Rd exit from the Interstate Hwy 15 exit 451 Comment
  UCR133716  Collinsia heterophylla var. austromontana N. C. Cooper 1944-6-16 1429 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1524 Comment
  RSA28642  Colubrina californica A. M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside 5.2 miles northwest of Desert Center, Eagle Mountain pumping station road. 457 Comment
  SEINET3080984 Image available Conium maculatum Unknown 1966-5-16 Riverside Specific location: Camp Evans. At the foot of the western side of Mt. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  RSA507510  Conyza bonariensis Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  UCR92353  Conyza bonariensis Scott D. White, S. Ogg 1994-10-17 2462 .2 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  CAS-BOT-BC286037  Conyza canadensis S. B. Parish 1912-10-12 8358 Riverside Salton Basin. Mecca -57 Comment
  UCR123601  Conyza canadensis D. E. Bramlet 2000-8-30 3072 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  RSA78304  Cordylanthus nevinii Philip A. Munz, E. K. Balls 1952-8-21 17976 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  SEINET11837051  Coreopsis bigelovii S. B. Parish, Parish, W. F. 1881-1 224 Riverside Whitewater Riv Comment
  POM230198  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6962 Riverside N Fork San Jacinto River. 1500 Comment
  UC485372  Corethrogyne filaginifolia F. M. Reed 1905-9-25 235 Riverside Arroyo Tequisquit [in Riverside] Comment
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Mar 10 2011
  SEINET11839639  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Wisura, W. 1979-1 1892 Riverside along Hwy 243, 5.6 mi S of jct with Hwy 10, S of Banning 1036 Comment
  UCR251709  Coronopus didymus T. B. Salvato 2014-4-11 7849 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  RSA645672  Coryphantha alversonii Scott D. White 1999-4-20 7269 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  UCD101825  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region; Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  CLARK-A1528-2620  Crossosoma bigelovii John C. Roos 1967-3-25 Riverside Whitewater Canyon Comment
  RSA293867  Crossosoma bigelovii Lyman Benson 1946-4-15 12039 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA397721  Crossosoma bigelovii Martha Hilend 1928-3-11 95 Riverside Morongo Pass, Colorado Desert region. Comment
  UCR88544  Crossosoma bigelovii A. C. Sanders 1995-4-13 16491 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  JEPS52464  Croton californicus W. L. Jepson 1901-5-17 1217 Riverside Riverside Comment
  NY43331  Croton californicus C. R. Annable 1995-3-9 2255 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  PASA1841  Croton californicus R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  SD233275  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Coachella Valley area: Edom Hill; along Edom Hill Road near dump. 0.6 miles from junction of Varner Road and Edom Hill Road. 259 Comment
  SD72207  Croton californicus C. W. Tilforth 1967-2-11 102 Riverside Desert Hot Springs. 334 Comment
  UC63984  Croton californicus L. D. Copeland May 1904 Riverside Palm Springs Colorado Desert Comment
  UCR175366  Croton californicus Jim Andre 2006-4-26 6777 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  SEINET12141354  Croton californicus J. F. Bright, Wyman, C. 1933-1 8058 Riverside near Palm Springs Comment
  SBBG133561  Croton setiger S. D. White, A. Carey 2004-7-2 10573 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR24005  Crypsis schoenoides John C. Roos 1969-11-22 s.n. Riverside San Jacinto Valley, east of Moreno. Quail Lake at the S end of Jack Rabbit Trail. 427 Comment
  GMDRC5507  Cryptantha J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  HSC82765  Cryptantha angustifolia Christopher Davidson, A. P. Romspert, Harvey Surprenant 1979-4-29 7811 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  JOTR28787  Cryptantha angustifolia La Doux, Tasha 2005-3-30 1056 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA562065  Cryptantha angustifolia Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6918 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  SEINET3083709 Image available Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-1-17 2546 Riverside Sonoran (Colorado) Desert; Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal 0 Comment
  UC280442  Cryptantha angustifolia Childs May 1920 Riverside e of Coachella Comment
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Nov 19 2011
  UCR33811  Cryptantha angustifolia Faulkner 1978-3-20 332 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  RSA795812  Cryptantha barbigera C. P. Cowan 1978-4-23 1173 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR214895  Cryptantha barbigera A. C. Sanders 2010-3-23 37533 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR75053  Cryptantha barbigera A. C. Sanders, E. J. Lawlor 1992-4-4 12109 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA777393  Cryptantha barbigera var. barbigera Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 791 Riverside Mecca Hills, just south of Shaver's Well 305 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
  UCR167235  Cryptantha barbigera var. fergusoniae 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
  UCR45198  Cryptantha costata A. C. Sanders 1986-5-10 6496 Riverside Western Colorado Desert, Coachella Valley, mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 mi south of Mecca -70 Comment
  RSA0079095  Cryptantha cycloptera Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  JOTR29357  Cryptantha decipiens La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1434 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  UCR176933  Cryptantha decipiens A. C. Sanders 1995-4-13 16493 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
  UCR52068  Cryptantha decipiens var. decipiens D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  RSA49393  Cryptantha dumetorum P. A. Munz 1949-4-11 13020 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA79569  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  CAS-BOT-BC227841  Cryptantha inaequata Dave Silverman 2010-3-24 7825 Riverside South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10 130 Comment
  UCR256892  Cryptantha inaequata Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  RSA659685  Cryptantha intermedia J. C. Roos 1947-3-21 3366 Riverside Plateau, Reche Canyon Comment
  RSA689515  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-2 8900 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  SBBG55854  Cryptantha intermedia C. Davidson, B. Gustafson 1977-4-7 5579 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  SDSU5408  Cryptantha intermedia S. J. Barnhart 1966-4-17 660417 -9 Riverside 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Utility Rd (dirt) . Intersection of Utility Rd. and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UC1292617  Cryptantha intermedia C. L. Hitchcock and C. V. Muhlick 1964-3-17 23092 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCR42444  Cryptantha intermedia 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
  RSA0075627  Cryptantha intermedia var. johnstonii P. H. Raven 1959-4-23 14020 Riverside 4.1 miles west of Dripping Springs. Comment
  POM46800  Cryptantha maritima Mary F. Spencer 1920-3-24 1520 Riverside Rocks near Indian Wells. 9 Comment
  RSA718865  Cryptantha maritima Michael Honer, L. Hulse 2005-3-8 2041 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  RSA80739  Cryptantha maritima F. W. Peirson 1935-4-17 11474 Riverside 30 miles north of Blythe. Comment
  UCR249503  Cryptantha maritima T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7289 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR89712  Cryptantha maritima J. M. Stewart 1993-3-10 684 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  RSA703480  Cryptantha maritima var. maritima LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1425 -a Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR261447  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41430 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SD39194  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6471 Riverside Desert floor, Palm Springs, western Colorado Desert. Comment
  RSA586298B  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-3 0209 B 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. 500 Comment
  RSA594505  Cryptantha microstachys D. L. Banks, Rashmi Pant 1996-5-13 1016 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  UCR115432  Cryptantha microstachys Scott D. White, D. E. Bramlet 1999-4-22 7244 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR43758  Cryptantha microstachys A. C. Sanders 1986-4-30 6490 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UCR133048  Cryptantha muricata Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243 at Mountain Center 1378 Comment
  UCR174386  Cryptantha muricata A. C. Sanders 2006-5-19 32414 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
  UCR68607  Cryptantha muricata Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4457 Riverside Peninsular Range, Vail Lake Area. east of USFS Dripping Springs Campground along Arroyo Seco Creek, south of Hwy 79. 518 Comment
  RSA0079245  Cryptantha muricata var. jonesii D. L. Banks, S. D. Boyd 1995-5-3 217 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. 500 Comment
  RSA0079417  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 B Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA0079359  Cryptantha muricata var. muricata Steve Boyd, Rita Gentry 1991-5-30 6316 Riverside Murrieta, summit of Hogbacks on Gentry Experimental Farm. 543 Comment
  JOTR30307  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1740 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  RSA499746  Cryptantha nevadensis N. C. Cooper 1948-5-13 2787 Riverside Desert Hot Springs 244 Comment
  UCD119982  Cryptantha nevadensis 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. 1372 Comment
  UCR4405  Cryptantha pterocarya var. pterocarya Frank C. Vasek 1960-3-24 600324- 03 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  RSA614832  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  POM13218  Cryptantha utahensis E. C. Jaeger 1921-4-7 1128 Riverside Mission Creek, Colorado Desert Comment
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Nov 5 2011
  POM158459  Cuscuta californica var. papillosa P. A. Munz 1970-5-21 10870 Riverside 10 miles S.W. of Cochulla Comment
  CDA39932  Cuscuta campestris E. H. Asher 1958-6-9 510 -58 Riverside Indio. 0 Comment
  RSA71009  Cuscuta salina F. W. Peirson 1924-6-21 4760 Riverside Along south end of Lake Elsinore 381 Comment
  UCR260530  Cylindropuntia californica var. parkeri T. B. Salvato 2014-5-29 8039 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  JOTR35523  Cylindropuntia echinocarpa Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-12 131 Riverside Joshua Tree National Park. Eagle Mountains; foothills west of Eagle Mountain 1091 Comment
  SEINET10468112  Cynodon dactylon David B. Dunn, A. Folsom 1948-6-17 Dunn 3797 Riverside At quad 1. At camp in pushawalla canyon under palms. Comment
  SEINET7581721 Image available 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
  UCR92680  Cyperus esculentus Scott D. White 1995-7-7 3458 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA502522  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3577 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  PASA617  Cyperus laevigatus Frank W. Peirson 1924-12-30 Riverside Thousand Palms Canyon 121 Comment
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Jun 24 2016
  CAS-BOT-BC113965  Cyperus odoratus Frederick Morris Reed 1903-12-13 412 Riverside Bog above Bollingers Dam. Arroyo Chico. Comment
  UC1930198  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  UCR41433  Cyperus odoratus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  UC212810  Cyperus rotundus F. M. Reed 1918-1 Riverside Riverside Comment
  JOTR35997  Dalea mollis Harding, Mitzi, Mark Wheeler 2012-9-4 208 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  RSA779806  Dalea mollis Duncan S. Bell 2009-3-9 105 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  POM301796  Dalea mollissima J. Cole 1942-5-19 964 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  CLARK-A1528-2775  Dalea spinosa John C. Roos 1947-2-15 3233 Riverside Eagle Mountains Comment
  UC537050  Danthonia unispicata M. E. Jones Sept. 1933 Riverside San Jacinto Mts. Comment
  UCSB43913  Dasyochloa pulchella Oberholtzer, M. 1980-3-30 Riverside Willey's Well, 10.0 mi SE of Blythe, 0.25 mi N of parking lot on trail to geode diggings 76 Comment
  POM123015  Daucus pusillus Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  RSA487426  Daucus pusillus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  SDSU13564  Deinandra fasciculata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  UC1929622  Deinandra fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside SANTA ANA MOUNTAINS: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  SD247321  Deinandra kelloggii Andy Sanders, S. Leatherman, J. Crain 2015-4-6 41570 Riverside Peninsular Range: Temescal Valley, large open parcel between Horsethief Canyon Road and Hostettler Road just south of I-15. 391 Comment
  UCSB37787  Deinandra kelloggii Roos, John 1965-6-27 Riverside Reche Canyon; Riverside or San Bernardino County Comment
  UCR58460  Deinandra mohavensis 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
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Jan 8 2013
  SD193223  Deinandra paniculata David Charlton 2005-8-10 Riverside Perris-Aguanga Basin Region: Perris, southwest corner of Perris Valley Airport, corner of Mapes Rd. and Goetz Rd. 430 Comment
  UCR274535  Deinandra paniculata Mitch Provance, Ken Halama 2003-6-15 17067 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CAS-BOT-BC7979  Delphinium parishii subsp. parishii Alice Eastwood 1913-4-30 2999 Riverside Palm Springs Comment
  RSA398731  Delphinium parryi Anstruther Davidson 1930-1 s.n. Riverside Mt. San Jacinto. Comment
  RSA763765  Delphinium parryi Doris Bowers 1972-4-15 1843 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  UCR213475  Delphinium parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37841 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA581749  Dendromecon rigida M. Wall 1995-4-13 98 Riverside San Jacinto Mountains, along Hwy 243, 6.95 miles south of Interstate 10 out of Banning, road pull out by dirt road, 1993 burn area. Comment
  SEINET3208900  Dendromecon rigida G. Goodwin 2012-6-14 3456 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  SEINET10476415  Dendromecon rigida David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20755 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi w at the lower edge of the coulter pines and near the chaparral. Decomp granite. Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  CLARK-A1528-353  Descurainia pinnata subsp. halictorum A. R. Gillogly 1966-3-10 Riverside Palm Springs 243 Comment
  UCR182442  Descurainia pinnata subsp. halictorum Mitch Provance 1999-3-16 1761 Riverside San Bernardino Valley, SE Rancho Cucamonga, near the border with Fontana and Ontario, near the old Kaiser Steel Plant, +- between 4th St. and Arrow Route 320 Comment
  UCR188886  Dicentra chrysantha Brent Barnes, Seung-Chul Kim, A. C. Sanders, UCR Plant Taxonomy class 2007-5-20 02 Riverside Peninsular Range; San Jacinto Mtns., Mt. Edna Road off Hwy 74 1159 Comment
  UC3251  Dichelostemma capitatum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  IRVC52  Dichelostemma capitatum subsp. capitatum D. DeVault 1965-4-24 HS 0098 Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  UCR16038  Dichelostemma capitatum subsp. capitatum Loretta Bates 1978-5-27 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: Mesa de Burro south of Tenaja Road, 4 mi west of Murrieta Comment
  UCR188671  Dichelostemma capitatum subsp. capitatum Amanda Lovelady, Tina Hofmann 2007-5-20 29 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UCR215508  Dichelostemma capitatum subsp. capitatum Daphne K. Christopher, Hannah I. Stevens 2003-4-3 082 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  CSUSB27  Dichelostemma pulchellum J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  RSA707354  Dicoria canescens Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 05 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  UCR23773  Dicoria canescens John C. Roos, L. Roos 1957-11-30 6659 Riverside Coachella Valley, 6 mi NW of Thousand Palms 152 Comment
  UC29875  Dieteria asteroides var. asteroides H. M. Hall Aug. 1901 2648 Riverside San Jacinto Comment
  CAS-BOT-BC209014  Digitaria sanguinalis Mary F. Spencer 1919-7-6 1265 Riverside Lacquitz Meadow, San Jacinto Mts. 2377 Comment
  UCR93088  Digitaria sanguinalis A. C. Sanders, S. Ogg 1994-7-28 15179 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD129180  Diplachne fusca var. uninervia G. Helmkamp 1989-9-16 Riverside Circa 1/2 mile South of Highway I-8 West of Blythe, in disturbed soil beside alfalfa field at Seeley Road and State Highway 78. 74 Comment
  CAS-BOT-BC152267  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak 1234 Comment
  CAS-BOT-BC152268  Diplacus clevelandii John Thomas Howell 1931-5-30 6604 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA0019423  Diplacus fremontii N. C. Cooper 1949-6-29 4350 Riverside San Jacinto Mt. above Banning. Comment
  CAS-BOT-BC150871  Diplacus puniceus L. Haines; L. Erickson 1937-4-9 s.n. Riverside Riverside - Hemet Road near Winchester turnoff Comment
  UCR133043  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  SD248299  Distichlis spicata Peter Rubtzoff 1970-7-17 6285 Riverside 5 miles north of Sears Point (Sears Point 7.5'Q) 9 Comment
  UCR103781  Distichlis spicata Scott D. White 1994-10-21 2511 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UC51618  Distichlis spicata var. divaricata Jos. Burtt Davy 1902-4-2 Riverside Salton; ; Salton, Riverside Co. Comment
  UCR102949  Ditaxis californica George K. Helmkamp 1998-4-4 3181 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  CLARK-A1656-844  Ditaxis lanceolata Jon Mark Stewart 1983-10-31 83-50 Riverside Palm Desert 1200 Comment
  HSC47315  Ditaxis lanceolata R. W. Spjut, C. E. Edson 1978-5-6 5030 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  RSA792474  Ditaxis neomexicana Justin M. Wood, Dustin Ray 2011-4-28 3834 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
  UCD142316  Ditaxis serrata L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mts. Colorado Desert. Above Deep Canyon. 914 Comment
  SD46582  Ditaxis serrata var. californica P. C. Everett, E. K. Balls 1956-5-2 21559 Riverside Eagle Mountains, 8.0 miles north of junction with Highway 60/70 on road to Eagle Mountain Pumping Station. 370 Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  JEPS53473  Dithyrea californica L. M. Newlon 1922-4-3 423 Riverside Indian Wells Colorado Desert Comment
  POM265126  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  UCD77605  Dithyrea californica Robert E. Preston 1997-11-11 1065 Riverside East edge of Palo Verde Mesa 99 Comment
  RSA585880  Dodecahema leptoceras D. L. Banks, Peter Morrell 1995-5-4 314 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  RSA784514  Dodecahema leptoceras Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 71 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  RSA557896  Dodecatheon clevelandii Steve Boyd, Orlando Mistretta 1992-4-22 7020 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
  POM9754  Draba saxosa E. C. Jaeger 1921-6-20 s.n. Riverside San Jacinto Mts. 1 mile below Round Valley. Comment
  RSA708420  Draba verna Scott D. White, James Huelsman 2005-2-18 10787 Riverside Anza. Just East of Cary Rd. and N. of Hwy 371. 1143 Comment
  POM12103  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-15 1862 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA0114700  Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17495 Riverside 300 m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5 km ESE of Negro Hill. 1360 Comment
  JEPS2563 Image available Dudleya lanceolata W. L. Jepson 1903-8-6 2285 Riverside Spruce Canyon San Jacinto Mts.; Spruce Canyon, San Jacinto Mts., Southern Calif. 1310 Comment
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Sep 5 2011
  HSC85282  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Alberhill Mtn., lower slopes of S flank, just E of claymine area Comment
  CAS-BOT-BC109649  Dudleya saxosa subsp. aloides D. W. Kyhos 1960-6-1 s.n. Riverside Bed of San Gorgonio River 2 miles north of Banning. Comment
  RSA773192  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4893 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SD48455  Dudleya saxosa subsp. aloides L. W. Lenz 1957-6-7 22623 Riverside Ca. 15 miles south of Hemet, along Highway 79. Comment
  SEINET8060242 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 21 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 5 2016
  HSC25837  Echinocereus engelmannii R. W. Spjut 1972-3-30 2345 Riverside On rocky slopes just SW of Coahulla Indian Reservation, ca. 2 mi. E on Hwy. 71 from Jct. with Hwy. 79, near San Diego Co. line. 1220 Comment
  CAS-BOT-BC56757  Echinocereus engelmannii subsp. engelmannii D. A. Johansen; J. A. Ewan 1932-4-10 7060 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UC1605400  Eclipta prostrata Steve Boyd and Darin Banks 1994-9-29 8370 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  RSA463705  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside [Riverside?] Along Van Buren Boulevard between bridge over Santa Ana river and sewer. Comment
  RSA737428  Eichhornia crassipes Justin M. Wood 2008-8-31 128 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  SBBG92180  Eleocharis montevidensis J. Hirshberg 1989-4-18 Riverside S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta 609 Comment
  UC839229  Eleocharis parishii Ivan Johnston 1917-4-4 Riverside Palm Canyon Southern California, Colorado Desert Comment
  RSA78221  Eleusine indica J. C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside. 259 Comment
  RSA591816  Elymus E. W. Lathrop 1968-5-24 6934 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco Ddistrict. 915 Comment
  SD146093  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mountains, Black Mountain Scenic Area, Black Mountain Trail between Highway 243 and Cinco Poses Trail junction 1700 Comment
  UCD62752  Elymus elymoides Peter H. Raven 1958-5-5 12881 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  RSA561007  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-5-4 72032 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  SEINET258476  Elymus trachycaulus subsp. trachycaulus M. Curto, L Allen 1990-6-25 682 Riverside San Bernadino National Forest ; San Jacinto Mountains about 3 kilometres southeast of Pine Cove on USFS Rd 5510 1830 Comment
  UCR2371  Elymus triticoides F. M. Reed 1904-6-5 167 Riverside Riverside, outlet to dam in Fairmont Park Comment
  RSA613640  Emmenanthe penduliflora D. L. Banks, Victor W. Steinmann 1997-3-13 1479 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
  UC1537546  Emmenanthe penduliflora Gordon H. True Jr. 1935-3-11 65 Riverside Box Springs; Sycamore Canyon 365 Comment
  UC667294  Emmenanthe penduliflora Annie M. Alexander and Louise Kellogg 1941-5-11 2147 Riverside 1.5 miles north of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UCR101581  Emmenanthe penduliflora Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR122750  Emmenanthe penduliflora George K. Helmkamp, E. A. Helmkamp 1998-4-24 3384 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR279566  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43174 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  CAS-BOT-BC131160  Encelia actoni Mary F. Spencer 1919-7-9 1188 Riverside Foothills of San Jacinto Mt. 571 Comment
  POM11524  Encelia actoni P. A. Munz 1922-7-3 5961 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  RSA688855  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR37412  Encelia actoni Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  UCD131281  Encelia californica E. W. Lathrop 1966-3-30 6082 Riverside Skyline Drive between Tin Mine Canyon and Black Star Canyon. 6 miles west of Corona, Santa Ana Mountains. 426 Comment
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Jun 16 2013
  UCR104892  Encelia californica A. C. Sanders, O. F. Clarke 1997-5-4 20672 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 Comment
  RSA727085  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR34969  Encelia farinosa L. B. Ziegler 1976-5-20 547 Riverside San Jacinto Mtns, Potrero Creek (Massacre Canyon), lower canyon below falls. 457 Comment
  POM19630  Encelia farinosa var. farinosa Mary F. Spencer 1923-6-5 2207 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  RSA48418  Encelia farinosa var. farinosa E. K. Balls 1949-4-2 12903 Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  UC895531  Encelia frutescens Alice Eastwood 1913-4-30 3121 Riverside Palm Springs Comment
  POM14278  Ephedra californica Philip A. Munz, I. M. Johnston 1922-5-7 5286 Riverside Between Whitewater & Mission Creeks. Dry rocky mesa. 366 Comment
  SEINET10532236  Ephedra californica var. funera A. K. Evans 1976-4-13 Evans 5129 Riverside Rocky slopes of Santa Rosa mountains. Comment
  SDSU3630  Ephedra nevadensis A. H. Gallup 1949-3-28 359 Riverside South slope, Palms to Pines Hwy. above Desert Center, San Jacinto Mt. Range 762 Comment
  UCR13722  Epilobium canum N. R. Zabriskie, W. W. Zabriskie 1972-10-22 547 Riverside Santa Rosa Mtns., Cactus Spring Trail, between Dolomite mine and Horsethief Canyon 1098 Comment
  SD70929  Epilobium canum subsp. canum Helen V. Witham 1969-7-2 187 Riverside Occasional, De Luz Creek crossing, 4 miles North of De Luz 249 Comment
  CAS-BOT-BC171735  Epilobium canum subsp. latifolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA448475  Epilobium ciliatum Louis C. Wheeler 1932-7-9 928 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA601210  Epilobium ciliatum subsp. ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mtns. Idyllwild Area: Alvin Meadows and unnamed canyon upstream. (immed. adjacent to Idyllild topo) 1524 Comment
  POM48409  Epilobium glaberrimum subsp. glaberrimum P. A. Munz 1924-7-28 8812 Riverside Pine Flats 1738 Comment
  RSA162773  Epilobium glaberrimum subsp. glaberrimum J. D. Olmsted 1959-7-3 s.n. Riverside Strawberry Cr. below dropoff below Isomata belowIdyllwild. Alt: 4700 ft. 1433 Comment
  RSA381725  Epipactis gigantea Joseph A. Ewan 1930-4-17 3051 Riverside Warners Ranch at Whitewater. 396 Comment
  UCR38681  Epipactis gigantea J. M. Stewart 1985-6-2 8523 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, Palm Canyon drainage 244 Comment
  RSA639601  Equisetum arvense L. C. Wheeler 1932-7-9 926 Riverside Santa Ana River at Chino Creek 145 Comment
  RSA450313  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  UCSB12907  Eremothera boothii subsp. condensata Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon near Los Angeles Aqueduct Comment
  UCSB42113  Eremothera chamaenerioides Roos, John 1966-3-26 Riverside 2.5 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  UC23525  Eriastrum densifolium subsp. austromontanum H. M. Hall July, 1901 2384 Riverside San Jacinto Mountains; s side 1584 Comment
  UCSB14758  Eriastrum densifolium subsp. austromontanum Breedlove, Dennis 1961-8-4 Riverside Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  UCR35046  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1964-7-2 005 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  RSA0119711  Eriastrum diffusum subsp. coachellae Lyman Benson 1933-3-31 4172 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR3477  Eriastrum eremicum Sally Bell 1964-4-18 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, on Indian Ave. about 3 mi. from the junction with the 29 Palms Hwy, on east side of road along shoulder 396 Comment
  CAS-BOT-BC514457  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11089 Riverside Between Edom and Garnet, east of San Gorgonio Pass Comment
  CAS-BOT-BC514458  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11010 Riverside Palm Springs Comment
  CAS-BOT-BC514473  Eriastrum eremicum subsp. eremicum Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA0120087  Eriastrum eremicum subsp. eremicum N. C. Cooper 1944-5-20 2643 Riverside Palm Springs. 137 Comment
  RSA0120101  Eriastrum eremicum subsp. eremicum R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53588 -a Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA120688  Eriastrum harwoodii Duncan S. Bell 2010-4-1 650 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR158349  Eriastrum sapphirinum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30089 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
  UCR187487  Eriastrum sapphirinum Diane Menuz 2006-5-16 090 Riverside Peninsular Range, Tule Creek watershed off Happy Valley Road, Dry Ranch, 2.5 miles NE of Aguanga 738 Comment
  UCR129892  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside San Gorgonio Pass, Banning 701 Comment
  RSA0121579  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 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
  SD119909  Eriastrum sapphirinum subsp. sapphirinum Louis B. Ziegler 1972-9-5 492 Riverside Hemet Valley. 1402 Comment
  SEINET2050747 Image available Ericameria brachylepis H. Dearing, M. Dearing 1940-11-10 5013 Riverside Whitewater Comment
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Jan 10 2018
  JOTR31074  Ericameria cooperi var. cooperi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2337 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UCR89903  Ericameria cuneata A. C. Sanders 1995-11-26 17921 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 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
  CAS-BOT-BC298879  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  UC1118789  Ericameria palmeri var. pachylepis R. St. John 1931-1-20 175 Riverside e of Arlington Mountain; Elsinore Quad. 396 Comment
  UCR100373  Ericameria palmeri var. pachylepis A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21616 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  LA27286  Ericameria paniculata Lewis S. Rose; 1946-12-25 46307 Riverside San Gorgonia Pass, 5 mi. E of Cabazon, Comment
  UC1605380  Ericameria parishii var. parishii Steve Boyd and Darin Banks 1994-9-8 8329 Riverside ridge top on nw flank Margarita Peak (near junction of Forest Service Rds 8S01 and 8S01A); Southern Santa Ana Mountains, Cleveland N.F., San Mateo Cany 762 Comment
  RSA740640  Erigeron breweri var. covillei Scott D. White, Justin M. Wood 2008-6-17 12176 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  POM12009  Erigeron foliosus Mary F. Spencer 1921-07 1269 Riverside Strawberry Valley, Idyllwild, San Jacinto Mt. 1616 Comment
  POM19627  Erigeron foliosus Mary F. Spencer 1923-8-1 2215 Riverside Idyllwild, San Jacinto mts. 1646 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
  CAS-BOT-BC296241  Erigeron foliosus var. foliosus F. Grinnell 1908-7-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UCR16872  Erigeron foliosus var. foliosus Kirk Taylor 1976-5-23 76-5-23- 12 Riverside Peninsular Range, Mesa de Colorado, 7 mi west of Murrieta on Tenaja Rd 549 Comment
  UCD132022  Erigeron strigosus var. strigosus Steve Morgan 1994-3-25 94 -1 Riverside in the UCR Botanic Garden. Comment
  JEPS46  Eriodictyon crassifolium var. crassifolium W. L. Jepson May 17 1901-Jun 1 1901 1257 a Riverside San Jacinto River San Jacinto Valley (San Jacinto Valley); , San Jacinto River 487 Comment
  RSA618408  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 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
  SD229193  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 847 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UC6235  Eriogonum apiculatum H. M. Hall July, 1901 2564 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains Comment
  UCD159799  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River. 2377 Comment
  UCR111236  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside San Jacinto Mountains, Strawberry Valley 2134 Comment
  POM13401  Eriogonum davidsonii E. C. Jaeger 1922-8-24 1012 Riverside Between Tahquitz Valley and Long Valley. 2287 Comment
  UCR238089  Eriogonum davidsonii Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2051 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR281912  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-19 43339 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  RSA0012645  Eriogonum fasciculatum April Garbat, Naomi Fraga, Kristin Forgrave, Tyler Schappe 2013-5-21 71 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  SBBG23073  Eriogonum fasciculatum var. flavoviride D. Myrick 1965-3-4 1086 Riverside Morongo Wash, Coachella Valley 701 Comment
  SEINET6418437  Eriogonum fasciculatum var. flavoviride C. Francis Shutts 1949-3-28 104 Riverside Palms to Pines Highway State 74, south of Palm Springs 747 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
  SD229219  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-10-16 850 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  LA206785  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  POM178582  Eriogonum fasciculatum var. polifolium Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  POM294039  Eriogonum fasciculatum var. polifolium Lyman Benson 1945-3-29 11643 Riverside 2 miles south of Whitewater. 366 Comment
  RSA393341  Eriogonum fasciculatum var. polifolium H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
  RSA393344  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  SD229222  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer 2012-8-6 770 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCR91275  Eriogonum fasciculatum var. polifolium Scott D. White 1995-4-5 2707 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR274187  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-7 1441 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA0103443  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8561 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  UCR204181  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Peninsular Range; San Jacinto Mountains, southern spur of Pine Meadow, SE of Hwy 371, NW of Santa Rosa Summit, north side of Hwy 74 1477 Comment
  UCR69795  Eriogonum gracile var. incultum A. C. Sanders, Chet McGaugh 1991-7-19 11140 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
  POM230615  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  UCR242663  Eriogonum molestum A. C. Sanders 2013-7-6 40852 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  RSA761996  Eriogonum nudum var. pauciflorum Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC185100  Eriogonum reniforme S. B. and W. F. Parish Apr 1882 Riverside Agua Caliente Comment
  CAS-BOT-BC268556  Eriogonum saxatile H. M. Hall 1901-7-1 2324 Riverside San Jacinto Mountains. Near Tauquitz [Tahquitz] 2590 Comment
  RSA772580  Eriogonum saxatile Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5051 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
  RSA601446  Eriogonum thurberi Louis C. Wheeler 1932-9-4 1323 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA766489  Eriogonum thurberi E. L. Peterson 1930-5-30 5653 Riverside Warner's Ranch at Whitewater. 366 Comment
  UC412837  Eriogonum trichopes Geo. B. Grant May 1 1906-May 10 1906 444 -6719 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  RSA246  Eriogonum wrightii var. membranaceum J. T. Howell 1927-8-2 556 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA65011  Eriogonum wrightii var. membranaceum F. W. Peirson 1937-11-27 12320 Riverside Deep Canyon Rd. at Forest Service camp, a mile or so east of crossing of the Palm Canyon Stream. N. base of Santa Rosa Mountains. 1372 Comment
  LA207103  Eriogonum wrightii var. nodosum Louis C. Wheeler; 1933-12-1 2294 Riverside San Jacinto Mountains, Mouth of Tahquitz Canyon 152 Comment
  POM229039  Eriogonum wrightii var. nodosum P. A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  SBBG4255  Eriogonum wrightii var. nodosum H. and M. Dearing 1941-11-29 4776 Riverside Cathedral Cyn, 6 mi E of Palm Springs Comment
  SD255647  Eriophyllum confertiflorum Mitch Provance 2012-5-24 512 08 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Silson St. 868 Comment
  UCR175076  Eriophyllum confertiflorum Teresa Nieto 2005-4-24 19 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  JOTR31153  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha 2009-6-3 1862 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  CAS-BOT-BC301800  Eriophyllum multicaule A. C. Sanders; J. C. Lyman 1995-4-16 1655904 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  CLARK-A1528-214  Eriophyllum multicaule Steven W. Berthel 1971-5-27 Riverside Box Springs Mountains Comment
  POM305809  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1050 Riverside Elsinore. Comment
  RSA92742  Eriophyllum multicaule J. C. Roos 1952-5-19 5690 Riverside One year old burn on hills N of Moreno. 503 Comment
  CAS-BOT-BC296927  Eriophyllum wallacei Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC296928  Eriophyllum wallacei John Thomas Howell 1928-3-11 3445 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  POM14085  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-14 4981 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  UCR122749  Eriophyllum wallacei George K. Helmkamp, E. A. Helmkamp 1998-4-24 3383 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR116458  Erodium brachycarpum A. C. Sanders, T. B. Salvato 2001-3-30 23858 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR37471  Erodium brachycarpum Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  CDA4662  Erodium cicutarium M. L. Jack 1973-3-15 Riverside Banning. 0 Comment
  UCR91444  Erodium cicutarium Scott D. White 1995-3-30 2632 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA612846  Erodium cicutarium D. L. Banks 1997-3-1 1370 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
  RSA716188  Erodium moschatum Scott D. White, Angelia Carey 2004-4-5 10037 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA480094  Erodium texanum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2183 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR217546  Eryngium aristulatum var. parishii Diane Menuz 2009-5-14 496 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  JOTR16638  Erysimum capitatum var. capitatum Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  RSA102130  Erysimum capitatum var. capitatum G. B. Rossbach 1955-4-28 585 Riverside 2 mi. E of Santa Rosa Summit on Route 74, NW end of Santa Rosa Mountains. 1503 Comment
  RSA530311  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-19 3681 Riverside Tahquitz Peak. San Jacinto Mts. 2651 Comment
  CAS-BOT-BC166986  Erythranthe guttata Oleg Pryadko 2008-5-2 052 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
  SDSU14002  Erythranthe guttata Jonathan S. Austin, Michael G. Simpson 2002-4-20 22 Riverside About 50 feet from parking area off Tornado road. Riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 229 Comment
  RSA0020066  Erythranthe guttata H. K. Wagnon 1944-3-12 340 Riverside west fork of Eagle Canon stream, between Palm Springs and Cathedral City. Comment
  GMDRC7794  Eschscholzia androuxii J. M. Andre 2015-3-6 33562 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 561 Comment
  UCD96497  Eschscholzia androuxii Shannon M. Still 2009-4-19 547 Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 722 Comment
  JEPS51696  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11652 Riverside Painted Canyon Mecca Hills 76 Comment
  LA85186  Eschscholzia minutiflora F. R. Fosberg; 1941-4-21 209 Riverside Morongo Pass Area, Desert City Comment
  RSA678883  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 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
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  UCD94251  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 387 Riverside California. Riverside County: Joshua Tree National Park. 940 Comment
  UCD96486  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 253 Riverside California. Riverside County: Joshua Tree National Park. 857 Comment
  JOTR31770  Eschscholzia parishii Andre, Jim, Tasha La Doux 2009-3-10 11234 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA767449  Eschscholzia parishii Jim Andre, Tasha La Doux 2009-3-10 11234 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  RSA789476  Eschscholzia parishii Aaron C. Sedgwick, David Fraker 2012-3-28 33 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SDSU18656  Eschscholzia parishii Michael G. Simpson, Kristen Hasenstab 2008-4-2 2946 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  SEINET7048054  Eschscholzia parishii Steven R. Hill 2001-4-29 33529 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR5903  Eschscholzia parishii David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  UCSB3659  Eschscholzia parishii Haller, John 1957-3-23 Riverside at the mouth of Morongo Canyon; ca 8 mi. N of US 99 & o air mile S. of Riverside-San Bernardino Co. line 762 Comment
  SEINET5340034  Eschscholzia parishii N. H. Holmgren, P. K. Holmgren 1974-3-23 7466 Riverside Box Canyon Wash, 11.4 (9 airline) miles east-northeast of Mecca. 244 Comment
  UCR89813  Eucalyptus camaldulensis Scott D. White 1994-1-27 1929 Riverside Murrieta 'California Oaks Detention Basin.' Intermittent 'blueline' stream west of Interstate Hwy 15 and south of Clinton Keith Road. Comment
  UCR90600  Eucalyptus camaldulensis Scott D. White 1995-6-29 3382 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  OBI52783  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Myers 1988-1 s.n. Riverside Temescal Cy, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl 381 Comment
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  RSA770645  Euphorbia crenulata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51996 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SEINET8665762 Image available Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2014-3-20 6263 Riverside Oocopia Mountains: north section of range; 2.75 air miles southwest of Hayfields Lake. 511 Comment
  RSA0102792  Euphorbia lurida Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8586 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UCR26784  Euphorbia misera A. C. Sanders 1982-3-20 2441 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, S end of Whitewater bench, above a small dirt road to the top of the bench and overlooking I-10 Comment
  OBI14400  Euphorbia palmeri Dieter H. Wilken 1965-6-29 375 Riverside Strawberry Meadows, near Idyllwild, San Jacinto Mts 1554 Comment
  UCR103997  Euphorbia polycarpa George K. Helmkamp 1998-4-3 3067 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR46718  Euphorbia serpillifolia B. G. Pitzer, D. C. Hawks 1986-12-2 0368 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  UCR264236  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41843 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  RSA559930  Euphorbia spathulata Steve Boyd 1992-4-18 6899 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  UC22677  Eustoma exaltatum H. M. Hall 1901-8-10 2672 Riverside near Riverside Comment
  RSA0081525  Fagonia laevis Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17931 Riverside Big Maria Mountains, along the Midland-Vidal Road, 12.5km WSW of Quien Sabe Point, 33km NNW of Blythe. 337 Comment
  UCR277634  Fagonia laevis A. C. Sanders, Jim Malusa 2017-1-14 42659 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR33569  Fagonia laevis Faulkner 1978-3-30 408 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCR88155  Fatoua villosa A. C. Sanders, Steve Morgan 1994-10-7 15832 Riverside Box Springs Mtns., UCR Botanic Garden Comment
  UCR102847  Festuca myuros A. C. Sanders 1997-3-26 20108 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  RSA0026299  Filago John F. Emmel 1991-4-28 1169 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA543588  Filago californica Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6140 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA561818  Filago californica Steve Boyd 1992-4-14 6824 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR41525  Filago depressa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6019 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA192327  Filago gallica H. A. Zuill 1966-6-29 267 Riverside about 2 miles west of Murrieta. Comment
  UC1123324  Forestiera pubescens A. Lewis Mar 1934 331 Riverside 2 mi ne Auburndale; Corona Quad. 121 Comment
  RSA668339  Fouquieria splendens C. R. Annable, Lee Barron 1995-3-11 2269 Riverside Cactus City rest stop on I-10. Comment
  SBBG69367  Fouquieria splendens M. N. Ackley -Feb-1926 359 Riverside Box Cyn 304 Comment
  SD232321  Frangula californica subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. 1438 Comment
  RSA293533  Frasera parryi C. W. Tilforth, Walter Wisura 1979-8-8 1902 Riverside Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley Comment
  UC1931133  Frasera parryi Scott D. White, Justin Wood 2008-6-17 12167 Riverside San Jacinto Mountains: Garner Valley - Kenworthy Station (USFS). (Butterfly Peak) Comment
  UCR177107  Frasera parryi Michael D. Wilcox 2004-5-18 s.n. Riverside San Bernardino Mtns., top of Banning Canyon along Forest Service Rd. 1372 Comment
  RSA735358  Fraxinus dipetala Keith E. Hoffmaster 1934-4-8 155 /180 Riverside Santa Ana Mts. Comment
  RSA735984  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  UCR16340  Fraxinus dipetala John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., north slope of Mt. San Jacinto, [at/near Mt. Edna Rd.] 6 mi. SE of Banning on Hwy 243 1159 Comment
  UCR225781  Funastrum cynanchoides var. hartwegii Dave Silverman 2010-3-30 7886 A Riverside Sonoran (Colorado) Desert, East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  HSC101268  Funastrum hirtellum Jim Andre 2012-3-19 21374 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  JOTR35150  Funastrum hirtellum La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3262 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA0040094  Funastrum hirtellum Duncan S. Bell, Deidre Conocchioli 2014-3-18 6258 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA0042855  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-3-20 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCSB4945  Funastrum hirtellum Haller, John 1958-3-22 Riverside Immediately south of highway 60-70, 5.8 miles east of Desert Center 243 Comment
  LA208394  Galium andrewsii A. H. Lange; 1951-5-27 Riverside San Jacinto Mountains, 10 mi S. Hemet Lake Comment
  RSA500082  Galium andrewsii subsp. andrewsii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3230 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCR133446  Galium angustifolium Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 454 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA221072  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-5-8 6448 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  SDSU12910  Galium angustifolium subsp. angustifolium Jutta Buschbom 1991-6-1 49 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCD121584  Galium angustifolium subsp. angustifolium Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument. Comment
  CAS-BOT-BC223051  Galium angustifolium subsp. gracillimum Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  UCR147259  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  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
  JOTR32839  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  UCD170418  Galium porrigens var. porrigens D. O. Burge 2017-3-12 2225 Riverside Alvin Meadows. 1435 Comment
  JOTR35080  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3531 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UCR114330  Gamochaeta pensylvanica Mitch Provance 1998-7-23 914 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 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
  RSA645880  Garrya A. C. Sanders, E. J. Lott 1992-6-12 12406 Riverside Birmingham Ranch in Water Canyon, a tributary from the N of Wildwood Cyn. 1052 Comment
  RSA0099592  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  UCR208878  Garrya flavescens subsp. pallida W. E. Pequegnat 1941-1-11 s.n. Riverside Peninsular Range; Santa Ana Mtns., Indian Truck Trail 976 Comment
  CDA5294  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC303580  Geraea canescens Ira L. Wiggins 1938-3-19 8899 Riverside Colorado Desert 25 miles W of Blythe Comment
  CDA5430  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  RSA27179  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin. Comment
  UCR121667  Geranium robertianum A. C. Sanders, T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  SEINET6969910  Gilia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Base of brush-covered Gavilan Hills west of Perris. Comment
  CLARK-A1528-3502  Gilia angelensis John C. Roos 1952-4-2 5460 Riverside Box Springs 487 Comment
  RSA523543  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4003 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  POM10428  Gilia capitata subsp. abrotanifolia Reed s.n. Riverside Riverside. Comment
  SEINET2084177  Gilia capitata subsp. abrotanifolia G. Rink 1999-5-22 sn Riverside 6 miles S of Banning on Highway. 243, north end of the San Jacinto Mountains 1250 Comment
  UC455672  Gilia capitata subsp. abrotanifolia I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mts.); , rd to Strawberry Valley 914 Comment
  RSA125533  Gilia diegensis R. Weatherby 1949-6-6 668 Riverside Santa Rosa Mountain. 1982 Comment
  UCR112393  Gilia latifolia A. C. Sanders, T. B. Salvato 2000-5-16 23393 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  RSA0016282  Gilia ochroleuca subsp. exilis Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1699 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1616 Comment
  UC310474  Gilia ochroleuca subsp. exilis Philip A. Munz 1926-4-30 10376 Riverside river bottom near Temecula (sandy bottom); river bottom near Temecula Comment
  UC52859  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-8 2764 Riverside vicinity Winchester (Valle Vista, Southern California); vicinity of Winchester, at Valle Vista Comment
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Mar 20 2011
  RSA0017275  Gilia ochroleuca subsp. exilis F. W. Peirson 1938-5-30 12413 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  SEINET12510617 Image available Gilia scopulorum Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-1 6415 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  RSA67645  Gilia sinuata Verne Grant, Alva Grant 1960-4-9 8838 Riverside Pass between Whitewater and Morongo Valley, 0.4 mile S of San Bernardino Co. line Comment
  JOTR34200  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA709879  Gilia stellata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4624 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA767450  Gilia stellata J. Andre, T. La Doux 2009-3-10 11253 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  UC489087  Glyceria elata C. V. Meyer 1928-7-24 519 Riverside Idyllwild Falls; San Jacinto Mts. 1889 Comment
  RSA627456  Glyceria striata Scott D. White 1998-7-31 6954 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  SDSU14083  Gnaphalium californicum Jonathan S. Austin, Michael G. Simpson 2002-4-20 12 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 338 Comment
  UCR146470  Gnaphalium californicum Orlando Mistretta 1992-6-10 518 Riverside Peninsular Ranges; Santa Ana Mtns region, Cleveland National Forest: Along old road coming off 3504 west of Sierra Peak. Head of road. Comment
  UCR178835  Gnaphalium canescens Tracy Tennant 1998-8-28 MOR- 707 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  UCR138595  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  UC896945  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake San Jacinto Mts., Hidden Lake 2438 Comment
  UCR182348  Gnaphalium palustre Mitch Provance 2005-5-17 6550 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
  UCR263237  Gnaphalium palustre A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41453 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA585510  Gnaphalium stramineum D. L. Banks, S. D. Boyd 1995-5-9 0371 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
  UCR172148  Gnaphalium stramineum A. C. Sanders 2006-5-11 32266 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
  JOTR35472  Grayia spinosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 75 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  POM14363  Guillenia lasiophylla P. A. Munz, D. D. Keck 1922-4-9 4805 Riverside Chuckwalla Valley, 10 miles east of Shavers well. 152 Comment
  RSA289828  Gutierrezia californica B. A. Prigge 1980-8-25 4018 Riverside Colorado Desert, Coachella Valley, 1 mile E of Palm Springs Station 341 Comment
  UCR202216  Gutierrezia californica Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  POM359231  Gutierrezia sarothrae H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA544383  Gutierrezia sarothrae Steve Boyd, Tim Ross 1991-6-14 6398 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
  UC63195  Gutierrezia sarothrae W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Box Springs 457 Comment
  SBBG94677  Hazardia squarrosa S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 air mi SW of Temecula, on Via Yerba Rd, E of Vaquero Rd 396 Comment
  SDSU13561  Hazardia squarrosa var. grindelioides W. Miller with C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  CLARK-A1528-2606  Helianthemum scoparium John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  UCR144933  Helianthus annuus Julie A. Greene 1993-5-12 1327 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  CAS-BOT-BC305707  Helianthus gracilentus Peter H. Raven; Sidney R. Snow 1956-7-6 9660 Riverside Vandeventer Flat, San Jacinto Mts. Comment
  CAS-BOT-BC305708  Helianthus gracilentus P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17268 Riverside 3.7 mi. s.e. of Banning along hwy to Idyllwild, San Jacinto Mts. 914 Comment
  CAS-BOT-BC305709  Helianthus gracilentus Wesley O. Griesel 1962-6-29 s.n. Riverside Road between Banning and Idyllwild, San Jacinto Mountains 1524 Comment
  RSA79078  Helianthus gracilentus Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17268 Riverside Locally common perennial to 1.5m. tall. with Adenostoma, Ceanothus, Salvia, on steep, dry banks by roadside in decomposed granite; 3.7 mi. s.e. of Banning along hwy to Idyllwild, Comment
  SFV4472  Helianthus gracilentus A. M. Johnson 1934-8-18 4140 Riverside San Jacinto Mountains Along road on Banning side. Comment
  UCR100378  Helianthus gracilentus A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21611 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  RSA596777  Heliotropium curassavicum D. L. Banks, K. D. Hedge 1996-5-16 1039 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles N of Hwy. 79 on the E side of Pauba Road, along a sandy wash. 377 Comment
  SEINET3083750 Image available Heliotropium curassavicum subsp. oculatum John Dean 1965-4-15 Riverside Palo Verde Valley, 5 miles north of Palo Verde on Highway 78 91 Comment
  UC489018  Hemizonella minima C. V. Meyer 1929-6-16 761 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  UCR91991  Hemizonia fasciculata Michael A. Patten 1993-4-28 s.n. Riverside Winchester (near): roadside ditch at corner of Stowe and California 447 Comment
  RSA450491  Hemizonia kelloggii J. C. Roos 1965-6-27 s.n. Riverside Reche Canyon Comment
  RSA885  Hemizonia kelloggii J. T. Howell 1928-7-8 1042 Riverside Near Glen Ivy. 396 Comment
  UCR180044  Hemizonia kelloggii Mitch Provance 2005-5-18 9811 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
  RSA674600  Hemizonia mohavensis Scott D. White 2000-8-5 8100 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR211859  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1063 B Riverside Peninsular Range; San jacinto Mountains, alongside Hwy 74, c. 1 mile west of junction with Hwy 243 in Mountain Center 1311 Comment
  UCR177120  Hemizonia paniculata Kent Beaman 1998-9-1 s.n. Riverside Peninsular Range; Gavilan Plateau, west of Perris off Ellis Rd., Santa Rosa Mine Rd. near Maywood Gun Club 671 Comment
  UCR180057  Hemizonia paniculata Mitch Provance 2005-5-18 9818 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
  UCR220307  Hemizonia paniculata Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  UCR266254  Hemizonia paniculata D. E. Bramlet 2006-7-26 4041 Riverside Perris-Aguanga Basin Region, Menifee Valley, Old Newport Road west of Briggs Rd. 439 Comment
  UCR114545  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR130517  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 243 Riverside Elsinore Trough, city of Lake Elsinore, vicinity of Campbell Dr. and Diamond Drive 384 Comment
  UCR217806  Hesperocallis undulata Jim Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  UCR49220  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC434234  Hesperoyucca whipplei Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 41 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Hathaway Canyon. 884 Comment
  RSA0075890  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  RSA0103444  Heterotheca sessiliflora Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8562 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  UCR23733  Heterotheca sessiliflora subsp. echioides John C. Roos 1965-9-16 s.n. Riverside On State Street, near Florida St., in Hemet 486 Comment
  RSA1640436A  Heterotheca sessiliflora subsp. fastigiata J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  SDSU20376  Heuchera hirsutissima Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2900 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  UC729893  Heuchera hirsutissima Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. summit of San Jacinto Peak; , summit of San Jacinto Peak 3293 Comment
  JOTR36462  Hibiscus denudatus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3432 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA444305  Hibiscus denudatus W. W. 1988-4-2 4217 Riverside Frontage Rd. off I 10, near pumping station in Pinkham Wash area. Comment
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Jul 24 2013
  RSA4875  Hibiscus denudatus Carl B. Wolf 1932-4-3 2991 Riverside Colorado Desert, 14 mi E of Mecca on Blythe road. 152 Comment
  POM13398  Hieracium horridum E. C. Jaeger 1922-8-22 1016 Riverside Long Valley trail 2439 Comment
  UCSB18870  Hoffmannseggia glauca Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 31 miles E of Desert Center 243 Comment
  RSA0118061  Hoffmannseggia microphylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7618 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA663906  Hoffmannseggia microphylla C. R. Annable 1995-3-10 2260 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  CAS-BOT-BC285037  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  CAS-BOT-BC285038  Hordeum depressum Steve Boyd; Tim Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 731 Comment
  UCR266497  Hordeum depressum Mitch Provance, Matt Amalong 2015-4-6 415- 13 Riverside Temecula/Murrieta Region, About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. 452 Comment
  SEINET271517 Image available Hordeum intercedens A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18046 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  RSA751251  Hordeum marinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35601 Riverside plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR97285  Hordeum marinum Scott D. White 1993-3-12 1157 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCR226065  Hordeum murinum A. C. Sanders, T. B. Salvato 2011-4-1 38968 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  RSA192270  Hordeum murinum subsp. leporinum E. W. Lathrop 1960-5-6 4798 Riverside 10 miles west of Murrieta. Comment
  RSA0026267  Horkelia cuneata subsp. cuneata Fred M. Roberts 2013-6-7 7781 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.1 kilometers NNW Upper San Juan Campground. 518 Comment
  RSA0059090  Hulsea vestita subsp. callicarpha Norman C. Cooper 1944-7-16 1556 Riverside San Jacinto Mtn., above Pine Cove. 2073 Comment
  RSA346259  Hymenoclea salsola R. F. Thorne 1980-4-16 54051 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA696759  Hymenoclea salsola J. R. Bruff 1928-4-1 80 Riverside Whitewater Comment
  UCR109553  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1974-3-1 s.n. Riverside Sonoran (Colorado) Desert, Desert Center 305 Comment
  SD187352  Hypochaeris glabra Scott D. White, Angelia Carey 2004-4-16 10187 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  CAS-BOT-BC219743  Hyptis emoryi Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  JOTR34370  Hyptis emoryi Andre, Jim 2012-4-16 20887 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA420163  Hyptis emoryi Robert Gustafson 1981-4-7 s.n. Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA420168  Hyptis emoryi Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  UCR279529  Hyptis emoryi A. C. Sanders, Jim Malusa 2017-3-29 43184 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCSB52979  Hyptis emoryi Pritchett, David; Fulton, M. 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Hwy. 195 Comment
  RSA0056404  Hyptis emoryi James R. Shevock 1970-12-12 557 Riverside Box Canyon, Hwy. 195. 219 Comment
  SEINET13948477 Image available Hyptis emoryi Lewis S. Rose 1946-1 46308 Riverside Dead Indian Creek Wash, Palms-to-Pines Highwa, 900 ft al, 7 miles SW of Indian Wells 274 Comment
  SEINET13948478 Image available Hyptis emoryi Carl B. Wolf 1932-1 2984 Riverside Colorado Desert. 8 mi E of Mecca on Blythe Road. Ca 300 ft alt 91 Comment
  UCD126502  Ipomoea triloba T. C. Fuller 1962-10-2 9704 Riverside south side of Ave. 32, 0.6 mile east of Ludy Blvd., 6.9 miles southwest of Ripley, Palo Verde Valley. Comment
  RSA366806  Iris hartwegii subsp. australis Robert L. Rutherford 1945-5-24 1658 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 19 2010
  RSA652940  Isocoma menziesii Mitch Provance 1999-3-28 1074 Riverside Belltown area, ''gravel pits'' just S of 26th St. and Hall Ave. 250 Comment
  RSA674592  Isocoma menziesii Scott D. White 2000-5-5 7773 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  POM4691  Isocoma menziesii var. vernonioides I. M. Johnston 1918-5-30 s.n. Riverside Lake Elsinore. 366 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
  UC11122  Isomeris arborea H. M. Hall Apr 1897 450 Riverside Whitewater; Colorado Desert Comment
  UCR101578  Isomeris arborea Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA597055  Jepsonia parryi D. L. Banks, Lauren Raz 1996-11-5 1162 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  RSA0011156  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CAS-BOT-BC140680  Juglans californica A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37148 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR209200  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CAS-BOT-BC167094  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR209197  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  JEPS66902  Juncus acutus subsp. leopoldii W. L. Jepson 1914-5-22 6041 Riverside e of Thousand Palms; Colorado Desert, Palm Canyon Comment
  RSA715452  Juncus balticus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32677 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  RSA247275  Juncus bufonius G. D. Wallace, D. H. Wilken 1966-7-3 650 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  SD187306  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR176938  Juncus bufonius A. C. Sanders, Guy Bruyea 2003-6-12 26887 .2 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  JOTR32467  Juncus bufonius var. bufonius La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2612 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  JOTR00976  Juncus bufonius var. bufonius Cole, James E. 1941-6-9 859 Riverside Joshua Tree National Park. PEARL SPRING 1371 Comment
  UCR159205  Juncus bufonius var. congestus A. C. Sanders, Kelly Volansky 2005-8-31 31566 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  POM14376  Juncus bufonius var. occidentalis Phillip A. Munz 1922-4-29 5062 a Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA198995  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37448 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  POM259160  Juncus effusus subsp. austrocalifornicus Phillip A. Munz 1938-8-14 15367 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  UCR24956  Juncus macrandrus A. C. Sanders 1980-8-23 1759 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 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
  RSA0103092  Juncus rugulosus Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8548 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SD136978  Juncus tiehmii Steve Boyd, Tim Ross 1992-5-15 7390 Riverside Southern Santa Ana Mts,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. Local about vernally active seepage in shallow draw in burned chaparral. 671 Comment
  CAS-BOT-BC234585  Justicia californica Aven Nelson; Ruth Nelson 1939-3-22 3219 Riverside Palm Springs Comment
  SDSU2158  Justicia californica A. H. Gallup 1949-3-28 388 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], San Jacinto Mountain Range, Colorado Desert drainage area, east slope. 152 Comment
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Jan 30 2013
  JOTR29189  Kallstroemia californica La Doux, Tasha 2005-9-8 1302 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  UCR113126  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  LA209286  Keckiella antirrhinoides var. antirrhinoides J. Sauer; R. Minnich 1977-4-7 5960 Riverside N Fork of San Jacinto Canyon near Hemet 609 Comment
  RSA0117832  Keckiella antirrhinoides var. antirrhinoides Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along the Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  POM21136  Keckiella rothrockii subsp. jacintensis Fordyce Griffiths Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  UCR30791  Keckiella ternata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3867 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  UCD85716  Koeleria macrantha A. A. Beetle 1946-6-10 4393 Riverside San Jacinto Mt., San Jacinto Mts. 1219 Comment
  CAS-BOT-BC61419  Krameria bicolor Ivan Johnston 1917-4-4 1097 Riverside Mouth of Andreas Canyon Comment
  CAS-BOT-BC61433  Krameria bicolor D. A. Johansen; J. A. Ewan 1932-4-12 7070 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  SBBG24914  Krameria bicolor D. Myrick 1966-4-1 1348 Riverside adjoining Linda Vista Lodge, Desert Hot Springs Comment
  JOTR36084  Krameria erecta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3311 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  UC1329992  Krameria erecta James E. Cole 1941-5-21 760 Riverside Cottonwood Road Dale (Joshua Tree National Monument); , Dale 914 Comment
  UCR17311  Krameria grayi B. A. Carlson 1978-4-22 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 488 Comment
  UCR75079  Krameria grayi A. C. Sanders, E. J. Lawlor 1992-4-4 12123 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA589083  Lactuca serriola D. L. Banks, S. D. Boyd 1995-10-17 0794 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 narrow benches where Arroyo Seco turns E., Just W of the Metasedimentary hills. 524 Comment
  POM301536  Lamium amplexicaule J. C. Roos 1938-3-12 1642 Riverside Orchard, La Sierra. Comment
  POM292860  Langloisia setosissima subsp. setosissima Lyman Benson 1949-3-28 13579 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  JEPS83151  Larrea tridentata R. P. Allen 1935-3-22 188 Riverside Garnet Comment
  POM310157  Larrea tridentata Hulda Crooks 1946-3-2 265 Riverside Palm Springs area. 139 Comment
  RSA707347  Larrea tridentata Jonathan Snapp-Cook, Kurt Roblek, Kevin Clark, Reas Chavez 2005-6-30 CFW- 11 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune (WGS84/NAD83) 91 Comment
  UC452607  Larrea tridentata F. M. Reed 1917-5-19 3943 Riverside vicinity Riverside (Palm Canyon); Palm Canyon Comment
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May 1 2011
  UCR228400  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 156 Riverside Sonoran (Colorado) Desert, north of Hwy I-10, c.1.5 mi up Corn Springs Road 213 Comment
  UCR261451  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41448 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCSB3567  Larrea tridentata Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99, Western edge of Colorado Desert Comment
  UC63395  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside vicinity of Riverside 304 Comment
  HSC5138  Lasthenia californica R. A. Eagle 1964-3-28 2 Riverside 5 mi. out of Riverside on Van Buren; just off to the side of the road Comment
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Jul 8 2010
  GMDRC7791  Lasthenia coronaria J. M. Andre 2015-3-6 33555 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  POM15179  Lasthenia coronaria Mary F. Spencer 1922-4-10 1951 Riverside Snow Creek, Palm Springs, Colorado Desert. 183 Comment
  RSA361596  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  RSA771760  Lasthenia coronaria Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4637 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR102761  Lasthenia coronaria B. G. Pitzer 1998-3-7 3586 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
  UCR281787  Lasthenia coronaria Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 102 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  JEPS98731  Lasthenia glabrata subsp. coulteri Raymund Chan 1997-3-28 97005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  RSA181983  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19158 Riverside Temecula 305 Comment
  RSA609945  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1995-6-8 2431 Riverside San Jacinto Wildlife Area, Lovell Unit. The population is located in the berms & within the old duck ponds. The site is located 1.71 km East of Davis Road and 46 m south of the existing access road., The size is 640 m. N of the Jan Jacinto River channel. 435 Comment
  SBBG7750  Lasthenia gracilis H. and M. Dearing 1942-3-7 4815 Riverside near Whitewater Wash, Cathedral City Comment
  UC2061414  Lasthenia gracilis Rachael L. Olliff Yang with Alice J. Olliff 2017-3-27 9 Riverside UC Riverside Motte Rimroc Reserve, about 500 m uphill from the research station. Comment
  UCR851  Lasthenia gracilis Osman 1976-4-26 S-76- 2 Riverside Peninsular Range, Woodcrest, 4 - 5 mi west of Hwy 395 Fwy [now I-215], along Van Buren Blvd. and near March Air Force Base 274 Comment
  RSA406640  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-4-22 1130 Riverside Banning 701 Comment
  UCR228853  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-3-28 38819 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA641178  Lemna minor Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38151 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1615 Comment
  RSA588600  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 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 narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  RSA741378  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside Johnson Meadow. 1415 Comment
  CLARK-A1528-5690  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  UCR109459  Lepidium A. C. Sanders, G. Helmkamp 1997-3-15 19978 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  RSA596527  Lepidium didymum D. L. Banks 1996-7-16 1132 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). 426 Comment
  UCR265598  Lepidium didymum Jordan Zylstra 2014-3-18 14012 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  POM14169  Lepidium fremontii P. A. Munz, D. D. Keck 1922-4-9 4899 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA4955  Lepidium fremontii C. B. Wolf 3043 Riverside Colorado Desert, 3/4 miles W of Utopia on the mecca Blythe raod. 152 Comment
  JOTR31002  Lepidium fremontii var. fremontii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1139 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  CAS-BOT-BC89582  Lepidium lasiocarpum Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2122 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  CAS-BOT-BC89588  Lepidium lasiocarpum H. S. Yates 1937-3-23 6426 Riverside California Forest and Range Experiment Station. Near Thermal. 30 Comment
  JOTR30320  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1765 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  UCR116678  Lepidium latifolium A. C. Sanders, Chet McGaugh 2001-7-26 24476 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR201883  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR49237  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA562147  Lepidium virginicum D. Charlton 1988-5-21 1926 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  CAS-BOT-BC329443  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside Whitewater Wash, 0.5 mile above bridge on the Banning to Indio road. 365 Comment
  RSA650943  Lepidospartum squamatum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 379 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
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Dec 15 2011
  SFV11881  Lepidospartum squamatum R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  RSA697078  Lepidospartum squamatum var. obtectum W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  UCR241237  Leptodactylon californicum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 06 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  SEINET7967465 Image available Leptosiphon bicolor Malcolm G. McLeod 1971-6-22 472 Riverside Idyllwild Comment
  POM364533  Leptosiphon ciliatus Anstruther Davidson s.n. Riverside San Jacinto Cal. Comment
  SD247473  Leptosiphon floribundus Tracy Tennant, M. Provance 1998-6-16 MOR 409 Riverside San Bernardino Mountains Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  POM364625  Leptosiphon lemmonii N. C. Cooper 1944-5-6 1187 Riverside Banning. 701 Comment
  RSA494645  Leptosiphon parviflorus B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  UCR229518  Lessingia filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  RSA761323  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 681 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SDSU5364  Leymus X multiflorus H. Wedberg 1962-7-28 993 Riverside In Hemet Meadow, about one mile S from Herkey Creek Publ. Campgr. on the road to Palm Springs, San Jacinto Mtns. 1219 Comment
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Jan 24 2013
  HSC78994  Lilium parryi K. Berg 1980-7-29 244 Riverside San Jacinto Mtns., James Reserve, Hall Canyon, along Indian Creek 1646 Comment
  UCR250204  Limonium sinuatum A. C. Sanders 2014-4-23 41057 Riverside Peninsular Range, Temescal Valley at intersection of Concordia Ranch Rd. and Temescal Canyon Rd., near I-15 364 Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  JOTR34071  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2968 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA0104451  Linanthus dianthiflorus Duncan S. Bell, LeRoy Gross 2015-2-17 7750 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 1.75 air miles northwest of the trout farm, in the vicinity of Red Dome. 796 Comment
  SBBG101706  Linanthus dianthiflorus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6081 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  RSA778832  Linanthus jonesii J. Andre 2011-2-9 15904 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
  SBBG81480  Linanthus jonesii S. A. Junak 1983-3-24 1663 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  RSA741068  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  SEINET2445412  Linaria canadensis Daphne K. Christopher, Hannah Stevens 2003-4-3 77 Riverside Uc Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  UCR220320  Linaria canadensis var. texana John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  UCR20554  Linum lewisii W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCSB18971  Linum lewisii Keefe, Joseph 1961-5-6 Riverside Allendale Pines, north of Idyllwild 1371 Comment
  UCR84063  Lippia nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  RSA659606  Lithophragma affine J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  RSA0010982  Lithophragma affine P. H. Raven 1958-5-17 12956 Riverside 7.4 miles south-east of Banning on road to Idyllwild, Sam Jacinto Mountains. Comment
  RSA0018463  Lithophragma affine N. C. Cooper 1949-6-29 4346 Riverside Pine Cove. 1829 Comment
  RSA586160  Lithophragma affine subsp. affine D. L. Banks, Steve Boyd 1995-3-30 0125 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  SD225109  Lithophragma heterophyllum Scott D. White 1996-3-31 3859 Riverside Elsinore Basin; Bundy Cyn, SE of Lk Elsinore. About 1 road mile E of Bundy Cny Rd exit from I-15 freeway, ca. 40 ft S of rd. along mapped intermittent blueline stream. 451 Comment
  RSA93778  Lobelia cardinalis subsp. graminea F. W. Peirson 1922-12-27 8649 Riverside About 1 miles up in Andreas Canyon, Palm Springs region. Comment
  UCR60245  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  SEINET3004964  Loeseliastrum matthewsii G. Rink 2011-3-23 10388 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  UC809714  Loeseliastrum schottii E. K. Balls 1949-4-4 12963 Riverside between Durmid and Salton (on Hwy. 111); Colorado Desert Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  RSA511058  Lolium perenne Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR89827  Lolium perenne Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) andc. 0.25 mi south of the San Jacinto River 430 Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA180346  Lomatium dasycarpum subsp. dasycarpum E. W. Lathrop 1965-5-9 5717 Riverside 6 miles W of Murrieta. Comment
  RSA0029311  Lomatium dissectum var. multifidum John F. Emmel 1992-4-25 1215 Riverside Bautista Canyon road, 0.9-1.0 road mi NW of Tripp Flats Road turnoff (8.5-8.6 road mi SE of national forest boundary on Bautista Canyon road). 1113 Comment
  UC21218  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  UCR91592  Lomatium lucidum D. L. Banks 1995-4-11 0177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail 829 Comment
  UC63680  Lomatium mohavense H. M. Hall May 1899 1184 Riverside San Jacinto Mts., Van de Venter's 1371 Comment
  UCR37444  Lomatium utriculatum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, Gavilan Springs Comment
  RSA191424  Lonicera subspicata var. denudata E. W. Lathrop, R. F. Thorne 1967-9-26 s.n. Riverside 6 miles NW of Murrieta. Comment
  RSA406723  Lotus argophyllus var. argophyllus E. A. Zumbro 1902-4-10 s.n. Riverside Box Springs Mountain, near Riverside Comment
  UCR103778  Lotus corniculatus Scott D. White 1994-10-17 2480 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  IRVC26259  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside 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 Perris-Aguanga Basin region 396 Comment
  POM46826  Lotus hamatus Mary F. Spencer 1920-3-29 1453 Riverside In desert sand near Tahquitz Canyon, Colorado Desert Comment
  RSA192130  Lotus hamatus E. W. Lathrop 1966-4-13 6148 Riverside De Luz Road between Murrieta and De Luz Comment
  UCR182312  Lotus hamatus Mitch Provance 2003-4-5 6613 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR228932  Lotus hamatus A. C. Sanders 2011-4-6 39001 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
  UCR215615  Lotus heermannii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 04 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR111982  Lotus humistratus A. C. Sanders, T. B. Salvato 2000-5-25 23408 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
  UCR22014  Lotus humistratus Steve Boyd 1980-5-22 299 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  RSA406728  Lotus nevadensis var. nevadensis N. C. Cooper 1944-6-16 1445 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  POM122396  Lotus oblongifolius Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  POM12928  Lotus oblongifolius P. A. Munz 1922-6-27 5853 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  HSC98239  Lotus rigidus C. L. Hitchcock 1966-3-16 24197 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  CSUSB1267  Lotus scoparius Ray O. Perez 1955-5-5 Riverside shady bank 200 yards east of life science building (UCR campus) Comment
  RSA0020377  Lotus scoparius Duncan S. Bell, Keir Morse 2013-3-30 4665 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  UCR174263  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32672 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., near stream crossing of dirt road 549 Comment
  RSA28070  Lotus strigosus I. L. Wiggins 1941-3-27 9701 Riverside 4 mi. north of Whitewater. Comment
  RSA291598  Lotus strigosus C. W. Tilforth, Walter Wisura 1979-4-11 1776 Riverside Along Rancho California Rd. west of Temecula. Comment
  UCR250199  Lotus strigosus A. C. Sanders 2014-4-23 41044 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  VVC2466  Lotus strigosus Tim Thomas 2013-3-18 5927 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  RSA171380  Lotus strigosus var. hirtellus J. D. Olmsted 1962-5-3 3536 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  UCSC000928  Lotus strigosus var. strigosus Grey Hayes 2000-5-15 215 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valley Comment
  UCR116827  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23928 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR260296  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  RSA124415  Lupinus arizonicus Percy C. Everett, E. K. Balls 1958-4-29 23019 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
  RSA788985  Lupinus arizonicus Aaron C. Sedgwick, David Fraker 2012-3-28 21 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR148461  Lupinus arizonicus S. J. Myers 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 8 miles (3.5 air line) east of North Shore along Coachella Canal right-of-way, NW of Rancho Dos Palmas 24 Comment
  UC1542866  Lupinus bicolor David B. Dunn 1949-4-10 5541- 2 -3 Riverside on the s side of the hiway at Xenica Ave. one mi e Beaumont; e of Beaumont Comment
  UCR136254  Lupinus bicolor A. C. Sanders 2004-4-20 27570 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
  UCR174082  Lupinus bicolor A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32543 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR226081  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-4-1 38950 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
  UCR280830  Lupinus bicolor T. B. Salvato, Gregg Miller 2005-6-3 1405 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
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA590649  Lupinus bicolor subsp. umbellatus E. W. Lathrop 1960-4-15 4747 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  RSA0013625  Lupinus concinnus LeRoy Gross, Duncan S. Bell 2013-4-30 6032 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  SDSU4673  Lupinus concinnus Bruhns 1965-5-22 119 Riverside Slope around girl's dormitory of Desert Sun School in Idyllwild. Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  UCR108489  Lupinus concinnus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16226 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA560374  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-14 6808 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  CAS-BOT-BC205383  Lupinus excubitus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37801 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  LA205081  Lupinus excubitus W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SEINET2062854 Image available Lupinus excubitus Howard S. Gentry 1954-7-27 14258 Riverside Dripping Springs along route 79 Comment
  POM307275  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2144 Riverside Santa Rosa Mountains. Comment
  RSA507170  Lupinus excubitus var. austromontanus Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mts, N of Castile Canyon Dr. at Poppet flat, off Hwy 243. Comment
  RSA748383  Lupinus excubitus var. austromontanus Justin M. Wood, Brandy Wood 2009-6-13 891 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA516431  Lupinus excubitus var. hallii Walter Wisura, Bart O'Brien, Tom Hayduk 1990-5-2 4439 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  UC130313  Lupinus formosus H. M. Hall 1899-5-21 1371 Riverside s slope Chalk Hill (foot of Chalk Hill); San Jacinto Mountains, , s slope 1676 Comment
  UCSB3341  Lupinus formosus DeWitt, Jack 1959-5-17 Riverside 5.1 miles S of Hemet Lake, on Hwy. 74; San Nacinto Mtns. 1280 Comment
  UCR252205  Lupinus hirsutissimus J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCR93023  Lupinus hirsutissimus G. P. Schultz 1994-4-7 63 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SEINET10970268  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2742 Riverside San jacinto mts., 500 Ft below the peak. Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UC865140  Lupinus microcarpus var. densiflorus I. W. Clokey, B. C. Templeton 1930-4-9 4632 Riverside e Riverside; e of Riverside Comment
  RSA764578  Lupinus microcarpus var. horizontalis M. Wall 2010-5-10 561 Riverside East Hemet off Florida Ave. (Hwy 74) east of Lake Street, ca. 0.5 miles west of jct. with Mountain Ave [Ramona Expy]. 518 Comment
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May 22 2012
  CDA27545  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava Street (DeLuz Road) 0.4 mile south of junction Washington Avenue in Murietta. 0 Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  SEINET7042763 Image available Lupinus nanus 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
  UCR18117  Lupinus pallidus A. C. Sanders 1978-4-2 00356 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  RSA590650  Lupinus polycarpus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  CHSC108883  Lupinus sparsiflorus Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald, L. Reccia 2010-4-13 4858 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm). Between N34.02559, W116.69098 and N34.01235 and W116.68712. 915 Comment
  RSA0065646  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 40 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2.2 air miles north of the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 885 Comment
  SDSU12937  Lupinus sparsiflorus Jutta Buschbom 1991-6-20 36 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
  UCR113169  Lupinus sparsiflorus A. C. Sanders 1998-2-19 21651 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR199622  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR244296  Lupinus sparsiflorus Jim Andre 2012-4-16 20876 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR282304  Lupinus sparsiflorus Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 873 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCR97657  Lupinus sparsiflorus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19775 Riverside Box Springs Mountains, Pigeon Pass Road on the north side of the pass, at major curves in road just above springs. 518 Comment
  RSA608359  Lupinus sparsiflorus J. Agardh 1930-4-13 s.n. Riverside San Jacinto Mountains. Comment
  RSA528095  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White 1991-4-10 91 -62 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  CLARK-A1656-750  Lupinus truncatus Theo Glenn 1982-3-21 Riverside Snow Creek Comment
  POM320523  Lupinus truncatus Worthman 1968-5-16 182 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  SDSU14088  Lupinus truncatus Joel Tracey 2002-4-20 7 Riverside Santa Margarita Ecological Reserve, 60 feet east of parking area, off intersection of Northside Field Station road and Santa Margarita River. Plant growing in crack of granitic rock, 15 feet north of river. 253 Comment
  SEINET10546455  Lycium brevipes Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 29 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  CLARK-A1656-853  Lythrum californicum Jon Mark Stewart 1983-10-31 Riverside San Jacinto Mountains 548 Comment
  RSA617987  Lythrum californicum R. E. Riefner Jr. 1998-10-15 98 -517 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  UCR110390  Lythrum hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23084 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UCR92321  Lythrum hyssopifolia Scott D. White, S. Ogg 1994-10-17 2473 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  UCR146485  Machaeranthera asteroides Scott D. White, Angelia Carey 2004-9-16 10764 Riverside San Jacinto Mountain foothills, San Jacinto River wash and adjacent alluvial benches; near Indian Creek confluence 534 Comment
  UCR42412  Machaeranthera cognata J. M. Stewart 1986-1-26 86- 9 Riverside Sonoran (Colorado) Desert, S side of Mecca Hills. 107 Comment
  UCR80830  Machaeranthera cognata John Wear, N. Moorhatch 1993-6-11 s.n. Riverside Sonoran (Colorado) Desert, Mecca Hills 61 Comment
  RSA562476  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-5 7260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA180445  Madia gracilis E. W. Lathrop 1965-5-30 5784 Riverside 6 miles west of Murrieta Comment
  CAS-BOT-BC206694  Malacothamnus densiflorus Ynez W. Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  UCR116673  Malacothamnus fasciculatus A. C. Sanders, Carolyn Washburn 2001-5-10 24240 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  SBBG27730  Malacothamnus orbiculatus L. Allen 1967-8-15 Riverside Hwy 71 near Hemet Comment
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May 23 2012
  RSA586732  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-17 0455 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA586865  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-3 0284 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR17638  Malacothrix clevelandii Jeanine Derby, O. F. Clarke 1974-5-3 s.n. Riverside Lakeview Comment
  UCR34956  Malacothrix clevelandii L. B. Ziegler 1972-5-30 471 Riverside San Jacinto Mtns., alongside Hwy 74 1341 Comment
  UCR112969  Malacothrix coulteri B. G. Pitzer, T. Tennant 1998-2-21 3534 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  CAS-BOT-BC347694  Malacothrix glabrata Munz; Street; Williams 1919-3-28 2370 Riverside In San Gorgonio Pass, near Banning 701 Comment
  CAS-BOT-BC347706  Malacothrix glabrata John Thomas Howell 1928-3-25 3550 Riverside 15 miles s. of Palm Springs on road to Indio, Colorado Desert Comment
  CHSC109704  Malacothrix glabrata Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 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
  UCR261454  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41441 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  VVC2031  Malacothrix stebbinsii 2010-4-7 s.n. Riverside Colorado Desert, 3.1 miles ESE of Desert Center on the south side of the highway between two service roads. 254 Comment
  SEINET3449034  Malva sylvestris Unknown 2001-4-29 33518 Riverside Calimesa, Calimesa, south side of route interstate 10 right of way, 0.2 miles west of Desert lawn Road exit, small drainage culvert at San Timoteo Wash 700 Comment
  HSC80237  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Keith Rd. near (just E of) Bear Creek golf course Comment
  UCR59842  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  UC403445  Mammillaria tetrancistra P. A. Munz, D. D. Keck 1921-12-31 5012 Riverside Andreas Canyon Palm Springs Comment
  SEINET11924833  Mammillaria tetrancistra S. B. Parish, Parish, W. F. 1881-1 162 Riverside Whitewater Comment
  OBI74465  Marah macrocarpa David J. Keil 1983-4-15 16902 Riverside E of Temecula on SR 79 Comment
  UC111315  Marah macrocarpa S. B. Parish 1907-4-18 6127 Riverside w edge Colorado Desert (type station); West Canyon 200 Comment
  UCR231777  Marah macrocarpa John F. Green 2008-4-23 08- 17 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA4923  Marina parryi Carl B. Wolf 1932-4-28 3088 Riverside Mesa at S.W. edge of Maria Mts., eastern Colorado Desert, 10 mi. from Blythe on the Rice rd 152 Comment
  RSA784963  Marina parryi Duncan S. Bell 2012-3-18 3227 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SD137726  Marrubium vulgare Darin L. Banks, Steve Boyd 1995-5-3 230 Riverside Cleveland National Forest, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR92166  Marrubium vulgare D. L. Banks, Steve Boyd 1995-5-3 0230 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
  SBBG88003  Matelea parvifolia A. C. Sanders 1986-3-2 6053 Riverside S side of the Chuckwalla Mtns, on the Bradshaw Rd, ca. 2 mi E of the gasline rd 640 Comment
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Aug 29 2010
  POM362447  Matricaria matricarioides N. C. Cooper 1944-4-22 1137 Riverside Banning 732 Comment
  UCR140326  Matricaria occidentalis A. C. Sanders, Guy Bruyea 2004-4-2 27420 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
  SEINET7106389  Matthiola incana N. Duane Atwood 1993-3-28 17719 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  RSA134672  Meconella denticulata C. Epling 1937-5-7 s.n. Riverside Idylwild Road. Comment
  RSA543842  Meconella denticulata Steve Boyd, Orlando Mistretta 1991-5-22 6303 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA759271  Meconella denticulata Robt. Allen, L Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  UCR165193  Medicago polymorpha S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR178300  Medicago polymorpha T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 920 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  JOTR30918  Melica frutescens La Doux, Tasha, Bill Truesdell 2008-4-29 2594 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 7) 1208 Comment
  CAS-BOT-BC281599  Melica imperfecta H. M. Hall 1901-6-1 2079 Riverside In the vicinity of Chalk Hill, San Jacinto Mts 1463 Comment
  POM431212  Melica imperfecta J. C. Roos 1950-4-22 4754 Riverside Summit of Reche Canyon, 0.5 mile NE of summit Comment
  RSA700956  Melica imperfecta Gary D. Wallace 1982-5-15 2008 Riverside Palms to Pines Highway (74), just E of Spring Crest. Comment
  SD107747  Melica imperfecta E. W. Lathrop 1964-5-10 5375 Riverside 10 miles west of Murrieta Comment
  UC818873  Melica imperfecta P. A. Munz and I. M. Johnston 1922-5-21 5500 Riverside near Kenworthy (Hemet Valley); San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCD88006  Melica imperfecta Peter H. Raven 1958-5-5 12879 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  UCR132344  Melica imperfecta John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR177825  Melica imperfecta S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  CSUSB1111  Melilotus indicus David H. Eslinger 1907-5-27 Riverside City of Riverside, UCR campus, near sidewalk along lawn northwest of geology building. 335 Comment
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Jul 26 2011
  CSUSB1309  Melilotus indicus Dean Jones 1966-4-19 Riverside on a lawn above Lot #4, UC Riverside campus. 365 Comment
  RSA556497  Melilotus indicus Julie Greene 1993-4-3 1111 Riverside San Jacinto Wildlife Area; around pond #3. 442 Comment
  UCR149976  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  UCR279572  Mentzelia A. C. Sanders, Jim Malusa 2017-3-29 43170 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 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
  RSA239809  Mentzelia involucrata C. W. Tilforth 1973-4-29 774 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  RSA771947  Mentzelia involucrata Robert F. Thorne, C. W. Tilforth 1973-5-30 43583 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  SFV5018  Mentzelia involucrata var. megalantha F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  CLARK-A1528-3168  Mentzelia micrantha John C. Roos, Lucille Roos 1952-5-19 5695 Riverside Moreno 518 Comment
  CSUSB921  Mentzelia micrantha Richard L. Irwin 1962-4-21 0038 Riverside Beneath center of Crestmore Road bridge over Santa Ana River 243 Comment
  RSA446776  Mentzelia micrantha M. B. Dunkle 1934-6-18 3975 Riverside Upper San Juan Canyon. Comment
  UC64494  Mentzelia montana H. M. Hall June 1897 647 Riverside vicinity strawberry Valley; San Jacinto Mountains 1584 Comment
  CAS-BOT-BC332724  Mercurialis annua O. F. Clarke 2011-2-27 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 365 Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  SEINET13276737 Image available Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-1 315 -27 Riverside Paloma Valley: Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. (Murrieta 7.5' Q.) 450 Comment
  UCR132744  Microseris heterocarpa Scott D. White 1993-4-22 1235 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR162284  Microseris lindleyi S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  CHSC26267  Mimetanthe pilosa Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA0018772  Mimetanthe pilosa Scott D. White, Julie Greene 1998-8-1 6974 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
  SEINET8732073 Image available Mimetanthe pilosa Peter Kamb 1950-1 1932 Riverside Hall Canyon; San Jacinto Mts. 1646 Comment
  POM158440  Mimulus androsaceus P. A. Munz 1927-5-21 10855 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  JEPS87317  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-15 1063 Riverside vicinity Aguanga (1.0 mi nw of San Diego Co. line along Hwy 79) 680 Comment
  RSA38705  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11504 Riverside Indian Canyon, along Indian Canyon Truck Trail. Comment
  RSA550790  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-19 1071 Riverside Joshua Tree National Monument. Hidden Valley Campground, 14 rd. mi. S of Joshua Tree town. 1296 Comment
  UC64230  Mimulus aurantiacus var. pubescens H. M. Hall 1900-5-15 Riverside just se Colton; Reche Canyon 457 Comment
  POM262903  Mimulus aurantiacus var. puniceus J. C. Roos 1941-5-17 123 Riverside About 4 miles SW of March Field. Comment
  RSA343880  Mimulus aurantiacus var. puniceus Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60663 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  RSA0041941  Mimulus bigelovii Duncan S. Bell, Loraine Washburn 2014-4-8 6583 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  CLARK-A1528-4236  Mimulus brevipes Carol Ann Simon 1969-5-20 45 Riverside Riverside 274 Comment
  RSA586799  Mimulus brevipes D. L. Banks, S. D. Boyd 1995-5-3 237 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
  RSA667131  Mimulus brevipes A. C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside S of Hemet, 1/4 mi. S. of Gibbel Rd. about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Bute, S of mouth of Avery Cyn. 518 Comment
  RSA701500  Mimulus brevipes M. Wall, Susan Jett, Perez, Garcia 1994-6-1 53 Riverside S of Hemet 1.75 mi W of Benjie Lane off Hwy R-3. Comment
  UC410543  Mimulus brevipes Mrs. E. C. Van Dyke July, 1928 Riverside along to desert from Idyllwild Comment
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Sep 3 2011
  UC943900  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1897 Riverside Indian Truck Trail, e side of mts., several hundred yards above 1895 C Santa Ana Mts. 960 Comment
  UCR26963  Mimulus clevelandii E. W. Lathrop 1966-5-29 6390 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR48341  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA80440  Mimulus fremontii var. fremontii F. W. Peirson 1920-6-22 4723 Riverside Temescal canyon, western Riverside Co. 305 Comment
  UCR59689  Mimulus guttatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3575 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
  CLARK-A1045-315  Mimulus pilosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains bank of creek at end of Road; Wildomar 7.5'Q Comment
  UCR151097  Mimulus pilosus Scott D. White, Julie Greene 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR193855  Mimulus pilosus A. C. Sanders, Mitch Provance 2008-7-11 35766 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR89771  Mimulus pilosus Scott D. White 1993-5-27 1420 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  JOTR35373  Mirabilis albida Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. trail from Key's View to Inspiration Point 1620 Comment
  RSA60730  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona. Comment
  UCR272255  Mirabilis laevis var. crassifolia Duncan S. Bell, Amanda Turek 2009-3-30 170 Riverside Mojave Desert, southeast section of the Arica Mountains, c. 1.25 air miles southwest of Priest Well 349 Comment
  POM9007  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-3-20 3400 Riverside 5 miles S of Corona 305 Comment
  UC56246  Mirabilis laevis var. retrorsa H. M. Hall Apr 1902 Riverside Coyote Canyon; Western borders of the Colorado Desert 152 Comment
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Aug 14 2010
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA550345  Mirabilis laevis var. villosa Walter Wisura, John Dolan, M. Wall 1992-3-25 4643 Riverside Lowdesert: Cuckwalla Mts. 2.1 mi W of Corn Spring. Comment
  UC444444  Mirabilis tenuiloba W. G. Wright 1880-1 Riverside Colorado Desert Comment
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Dec 17 2016
  POM293604  Mohavea confertiflora Lyman D. Benson 1945-3-29 11633 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA444464  Mohavea confertiflora J. C. Roos 1966-3-20 s.n. Riverside Wash 2 miles SE of Desert Center Comment
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Aug 22 2011
  UCR251724  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 58 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  RSA0010771  Mollugo verticillata P. A. Munz 1919-3-25 2614 Riverside Beaumont. 610 Comment
  CAS-BOT-BC402176  Monardella breweri subsp. glandulifera R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UCR261717  Monardella breweri subsp. lanceolata Dick Newell, Judy Booth 2014-5-18 370 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest on South Main Divide Road, 0.25 mi. east of CNF gate near Elsinore Peak 950 Comment
  IRVC2054  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 280 Riverside Santa Rosa Mtns: Palms to Pines Hwy. Peninsular Ranges 1098 Comment
  UC1995342  Monardella linoides subsp. linoides C. Epling 1935-5-25 Riverside Palms to Pines Hwy. Comment
  UCR132926  Monardella linoides subsp. linoides 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
  LA96077  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 94 Riverside Banning-Idyllwild road. 0.75 mi. beyond Stone Creek Comment
  LA96110  Monardella nana Elizabeth McClintock; 1941-7-15 117 Riverside San Jacinto Mountains, on the Idyllwild road, a short distance below the Keen Camp turn off in the canyon where the Pseudotsugas first occur Comment
  RSA750395  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 31 Riverside 1/2 mile above Santa Rosa Springs, on Santa Rosa Mt. Road. Comment
  RSA750410  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 61 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  RSA768324  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turnoff to Anza Tablet. After crossing narrow valley, passing ranch house, crossing sluggish stream, and going through second gate. Comment
  SEINET2442171  Monardella nana subsp. arida Unknownnown 1941-6-29 80 Riverside Road up Santa Rosa Mt. 51/2 miles beyond canyon where stream crosses road. Comment
  UCR221486  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 075 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 4.5 miles above Pines to Palms Highway, in canyon where stream crosses road 1875 Comment
  RSA651650  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 62 Riverside Road to Santa Rosa Mountain, 2.6 miles above Pines to Palms Highway. [Hwy 74] Comment
  UC1499831  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside trail to Hidden Lake (along switchbacks); San Jacinto Mts. Comment
  UC1499917  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 74 Riverside on road to Black Mt. (1 1/2 mi from snow gate) Comment
  CAS-BOT-BC349795  Monoptilon bellioides J. H. Thomas 1949-2-28 56 Riverside Southern part of Palm Springs Comment
  SBBG25114  Monoptilon bellioides D. Myrick 1966-4-1 1325 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UC672208  Monoptilon bellioides Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR52233  Monoptilon bellioides Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2126 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCD86560  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside and Vicinity spring brook above Fairmont Park. Comment
  JOTR30137  Muhlenbergia microsperma La Doux, Tasha 2008-2-4 1704 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./ Porcupine Wash; deep canyon. 778 Comment
  UCR279504  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2017-3-27 43108 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
  VVC692  Muhlenbergia microsperma P. J. MacKay, C. Sanders 1997-2-8 104 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  JOTR33720  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  CLARK-A1045-175  Muilla maritima George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5' Q Comment
  UCR216948  Myosurus minimus Kim Sparks, Ana Hernandez 2010-3-17 05 Riverside Perris-Aguanga Basin, San Jacinto Valley, Salt Creek, ~155m east of Warren Rd 458 Comment
  UCR60839  Myosurus minimus subsp. apus R. F. Thorne 1973-5-23 43866 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA253658  Nama demissa Noel Holmgren 1973-3-23 6485 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  SEINET3091511 Image available Nama demissa John Adams 1966-3-12 456 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  POM1087  Nassella lepida I. M. Johnston 1917-6-5 1301 Riverside Hills south of Arlington 366 Comment
  RSA653407  Nassella lepida Mitch Provance, J. Ross 1999-4-1 1735 Riverside Jurupa Mountains: Rocky ridges ca. 0.5 km E of peak 1437 in the W portion of the Jurupa Mountains. 411 Comment
  POM116534  Nassella pulchra Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA386942  Nassella pulchra K. Tomlinson, D. Kama, Robert F. Thorne 1985-3-27 890 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SEINET7072823  Nassella pulchra A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 6" North Latitude, -116? deg. 49' 57" West Longitude, Coordinate datum: NAD27.). Comment
  POM10294  Nasturtium officinale H. M. Hall 1897-6-6 300 Riverside Riverside. Comment
  RSA689608  Nasturtium officinale Scott D. White, Michael Honer 2003-5-27 9413 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
  UCR22128  Navarretia atractyloides Steve Boyd 1980-6-4 312 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CLARK-A1528-2369  Nemacladus glanduliferus John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  RSA777398  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 786 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC472905  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail; San Jacinto Mt. 1828 Comment
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Apr 9 2017
  RSA583742  Nemacladus pinnatifidus Steve Boyd 1995-4-24 8489 Riverside Palomar Range, eastern edge of the Agua Tibia Wilderness Area, west of Devil's Hole, along the Wildhorse Trail at a saddle near the corner of section 35. 701 Comment
  RSA0112630  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mtns: NNE of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St. 950 Comment
  RSA526492  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4688 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
  UCR256695  Nemacladus ramosissimus LeRoy Gross, Duncan S. Bell 2013-4-30 6025 Riverside Peninsular Range; San Jacinto Mtns., Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W and ended at 33.72912N 116.75098W 1556 Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  POM305713  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1026 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA483609  Nemophila menziesii D. Charlton 1988-5-21 1958 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA522735  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3841 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
  RSA613142  Nemophila menziesii var. integrifolia D. L. Banks 1997-3-6 1412 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  RSA784968  Nicotiana Duncan S. Bell 2012-3-18 3231 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  POM98160  Nicotiana bigelovii var. wallacei Philip A. Munz 1925-5-20 9852 Riverside 2 mi. east of Aguanga. Comment
  RSA0060122  Nicotiana clevelandii Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  CSUSB760  Nicotiana glauca K. S. Gill 1965-3-21 Riverside Tin Mine Canyon at the foot of Skyline Drive, south of Corona on roadside wasteland. 457 Comment
  RSA777341  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4712 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  RSA0037063  Nicotiana glauca Viki Cruz 1983-5-8 016 Riverside Near the stream one-quarter mile into Magnesha Canyon, Santa Rosa Mts. Comment
  UC1329896  Nicotiana obtusifolia James E. Cole 1941-2-2 431 Riverside s side Pinto Basin; Joshua Tree National Monument Comment
  UC1922385  Nicotiana obtusifolia Michael Honer with L. Hulse 2004-4-2 1875 Riverside Colorado Desert; Little San Bernardino Mountains Region: Blind Canyon; approx. 1/2 mi N of Desert Hot Springs. Comment
  UC279712  Nicotiana obtusifolia unknown 1926-2-20 Riverside near Salton (Canyon Springs Wash); Canyon Springs Wash Comment
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Nov 5 2011
  UCR109558  Nicotiana quadrivalvis R. D. Goeden, Don W. Ricker 1978-10-25 s.n. Riverside Temecula Valley, Temecula, Murrieta Creek at Rancho California Road 305 Comment
  UCR139647  Nicotiana quadrivalvis A. C. Sanders 2004-6-30 28386 B 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
  UCR1549  Nicotiana quadrivalvis David L. Davis 1962-4-15 20 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  RSA0060150  Nicotiana quadrivalvis Scott D. White 2000-5-1 7741 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SD227672  Nolina bigelovii A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer, et al 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo 609 Comment
  RSA58890  Nolina parryi Philip A. Munz, Percy C. Everett 1950-6-23 14920 Riverside 1.5 miles SE of Kenworthy, on road toward Coahuilla and Aguanga. 1524 Comment
  SBBG45299  Notholaena californica W. Wright -Mar-1890 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  CLARK-A1528-3571  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  RSA781799  Oenothera Duncan S. Bell 2010-5-1 881 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
  JOTR16763  Oenothera californica subsp. avita Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1341 Comment
  UC20446  Oenothera californica subsp. californica H. M. Hall June 1901 2143 a Riverside along borders of Colorado Desert eastern base of San Jacinto Mts. Comment
  UC422969  Oenothera californica subsp. californica F. M. Reed 1905-10-2 260 Riverside 547 Chicago Avenue Riverside Comment
  SEINET6630452  Oenothera deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles. North East of Desert Center Comment
  SEINET3092704 Image available Oenothera hookeri B. Pitzer 1986-5-24 243 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery boundary. Whiewater 7.5' quad. Comment
  CAS-BOT-BC427459  Oligomeris linifolia H. M. Hall 1905-6-1 6238 Riverside Vicinity of Riverside 365 Comment
  RSA0050254  Oligomeris linifolia J. M. Andre 2013-3-27 24839 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  UCD116473  Oligomeris linifolia A. H. Frederick 1928-3-1 s.n. Riverside Palm Springs. Comment
  UCR134602  Oligomeris linifolia Marisa Sripracha, Kyle Boyd 2004-2-14 025 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  UC212341  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Cottonwood Springs; Colorado Desert Comment
  RSA0055051  Olneya tesota James R. Shevock 1971-5-8 1026 Riverside Box Cyn. 91 Comment
  UCD134654  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga Region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mile south of Oleander Ave., at south end of Patterson Ave. 457 Comment
  UCR116800  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. south of Van Buren Blvd. 465 Comment
  CAS-BOT-BC58054  Opuntia basilaris var. basilaris F. A. Thackery 1924-2-8 41 Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA751352  Opuntia microdasys John F. Green 2008-6-5 s.n. Riverside south side of Hwy 74, c. 3 miles NE of Lake Elsinore and 3 miles NW of Canyon Lake. 478 Comment
  POM274017  Opuntia parryi Lyman Benson 1933-3-31 4148 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  RSA87939  Opuntia phaeacantha Verne Grant 1954-6-10 19655 Riverside Northwest of Santa Rosa Mountains. 1372 Comment
  RSA356646  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 79300 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  CAS-BOT-BC269273  Orobanche cooperi Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4638 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry) 170 Comment
  JEPS85946  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4520 Riverside ca 1 mi ne Hayfield Lake; s end Eagle Mountains, Chuckwalla Valley 411 Comment
  SEINET3108705  Orobanche cooperi subsp. cooperi Sears 1978-3-16 832 Riverside 12 mi NW of Midla nd, 3 mi SW of Rice. 244 Comment
  SEINET13710345  Orthocarpus purpurascens S. W. Austin, S. W. Austin 1969-1 34 Riverside on SW Side of Alberhill Rd, 2.5 Mi. NW Elsinore 1000 Ft 305 Comment
  SBBG132501  Oxalis californica S. D. White 2003-3-21 8825 Riverside Rancho Mission Viejo, E-facing slopes above an unnamed tributary to San Juan Crk 122 Comment
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May 28 2018
  SD137700  Oxalis californica Darin L. Banks, Steve Boyd 1995-5-9 360 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, the Dorland Mtn area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 792 Comment
  RSA722451  Oxalis corniculata Olive Van Meter s.n. Riverside Black Star Canyon. Comment
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Mar 5 2018
  UCR24260  Oxytheca trilobata John C. Roos 1937-8-17 2544 Riverside San Jacinto Mtns., Near Idyllwild Comment
  UCR35093  Paeonia californica L. B. Ziegler 1967-2-20 110 Riverside San Jacinto Mtns., Red Mountain Road off Hwy 79 762 Comment
  UCR76063  Paeonia californica B. G. Pitzer, Stu Hemstreet 1992-5-21 1937 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  CAS-BOT-BC327910  Palafoxia arida Geo. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert. Palm Springs Comment
  POM308547  Palafoxia arida var. arida Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3148 Riverside 10 miles east of Indio. Comment
  POM363738  Palafoxia arida var. arida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  POM363756  Palafoxia arida var. arida N. C. Cooper 1949-4-8 3244 Riverside Mecca Pass east of Indio. 549 Comment
  UC35598  Palafoxia arida var. arida S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mountain) 152 Comment
  SD211515  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 292 Comment
  SD217187  Panicum capillare Darin L. Banks, Elizabeth Hedge Banks & John B. Hedge 1996-6-6 1122 Riverside Northwest foothills of Dorland Mountain; south end of Los Caballos Road, approximately 20 meters north of the gate to the University of California-Emerson Oaks Reserve, across from the junction with the road to the local golf course, in a vineyard 427 Comment
  OBI69398  Panicum urvilleanum Dave Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mi S of hwy I-10, and 2 mi W of Indian Ave (Desert Hot Springs 7.5' Quad: T3S, R4E, S1/2 of sect 20 & 21, near center line between the two sections) 259 Comment
  UCR133169  Papaver californicum Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UCR1597  Papaver rhoeas R. L. Irwin 1962-5-8 0076 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  RSA561114  Parietaria hespera var. californica Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7358 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  POM183986  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  RSA667027  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  UCR103784  Paspalum distichum Scott D. White 1994-10-21 2507 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  CAS-BOT-BC355869  Pectis papposa var. papposa Ira L. Wiggins 1934-9-4 8035 Riverside Colorado Desert 31 miles west of Blythe on Mecca-Blythe highway Comment
  POM259968  Pectocarya heterocarpa P. A. Munz 1940-3-23 15725 Riverside N end of Pinto Basin mojave desert 915 Comment
  RSA703376  Pectocarya heterocarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1429 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA760784  Pectocarya heterocarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-30 112 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA800116  Pectocarya heterocarpa Duncan S. Bell 2013-4-7 4757 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCR150444  Pectocarya linearis John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR18123  Pectocarya linearis A. C. Sanders 1978-3-26 0830 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  SBBG55770  Pectocarya linearis subsp. ferocula D. Keil, M. McLeod 1977-3-26 12012 -1 Riverside Hwy 71, 8 mi NW of Lake Elsinore St Recreation area 365 Comment
  SD187377  Pectocarya linearis subsp. ferocula Naomi Fraga 2005-2-10 1423 Riverside Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 502 Comment
  RSA678419  Pectocarya penicillata Michael Wall 2003-4-15 267 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
  SEINET241491  Pectocarya penicillata A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23925 Riverside Western Colorado Desert: Coachella Vlly, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditch 347 Comment
  CLARK-A1045-235  Pectocarya platycarpa George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  JOTR32910  Pectocarya recurvata La Doux, Tasha, Jim Andre 2009-2-28 351 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  JEPS68235  Pectocarya setosa W. L. Jepson 1901-5-24 1420 Riverside Van Deventer Ranch Santa Rosa Mountains, Van Deventer Flat, Van Deventer Ranch Comment
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Feb 28 2014
  UC882271  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Joshua Tree National Monument, Cottonwood Springs wash Comment
  SD135327  Pedicularis semibarbata Craig Reiser, Dylan Hannon 1993-5-30 Riverside Saddle between Santa Rosa Peak and Toro Peak Comment
  UC454809  Pedicularis semibarbata I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  RSA450318  Pediomelum californicum J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains, Pinon flats Comment
  UCSB16960  Pediomelum californicum Brooks, Terry 1963-5-5 Riverside Pinon-Flats Campground on California State Highway 74 1219 Comment
  UCR26976  Pellaea andromedifolia E. W. Lathrop 1966-5-8 6462 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  CAS-BOT-BC71397  Pellaea mucronata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 362 Riverside Deep Canyon, south of Hwy. 74, c. 2 miles up water service road, north slope Santa Rosa Mountains 1310 Comment
  RSA102270  Pellaea mucronata subsp. californica S. B. Parish, W. F. Parish 1881-08 511 Riverside San Jacinto [most likely Mount San Jacinto and not the town of San Jacinto, north of Hemet--SB] Comment
  RSA33822  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  RSA747519  Pellaea mucronata var. mucronata Justin M. Wood 2009-3-10 341 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SDSU13691  Pellaea mucronata var. mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 329 Comment
  UCR9268  Pennisetum clandestinum O. F. Clarke 1969-11-10 s.n. Riverside University of California, Riverside Comment
  UCD89445  Pennisetum clandestinum Marvin Miller 1956-5-1 s.n. Riverside Riverside County. Comment
  RSA599122  Pennisetum setaceum V. W. Steinmann 1996-3-16 812 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  UCR89670  Pennisetum setaceum George K. Helmkamp 1994-3-10 42- 17 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
  UC54993  Penstemon X parishii H. M. Hall 1897-5-19 567 Riverside canyon of the San Jacinto River San Jacinto Mountains, canyon of San Jacinto River (Southern California) 914 Comment
  UC218112  Penstemon centranthifolius P. A. Munz 1922-6-27 5847 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 1981 Comment
  UCR135733  Penstemon centranthifolius Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9017 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR50419  Penstemon centranthifolius L. F. LaPre 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  UCR87656  Penstemon centranthifolius A. C. Sanders 1994-5-29 14581 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR98770  Penstemon centranthifolius Scott D. White 1996-8-1 4454 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  UCR133126  Penstemon clevelandii A. C. Sanders 1985-5-4 5776 Riverside Santa Rosa Mtns, Hwy 74 at Santa Rosa Mountain Rd. 1402 Comment
  JEPS3819  Penstemon clevelandii var. connatus Marjorie D. Clary 1934-4-23 Riverside Vandeventer Flats Santa Rosa Mts., Vandeventer Flats 1219 Comment
  NY583953  Penstemon clevelandii var. connatus R. F. Thorne 1978-4-23 52077 Riverside Bighorn Lookout: north slope of Santa Rosa Mountains Comment
  JEPS11570  Penstemon clevelandii var. mohavensis J. B. Feudge 1926-5-9 1584 Riverside Keyes Ranch Conchilla Mountains, Little San Bernardino Mts. 1219 Comment
  POM15010  Penstemon labrosus Mary F. Spencer 1922-7-2 961 Riverside Idyllwild. 1707 Comment
  RSA285588  Penstemon labrosus D. C. Michener 1980-7-18 3712 -a Riverside Below summit Mts. Below summit of Thomas Mts. Comment
  UC103029  Penstemon labrosus A. W. Anthony 1895-7-12 Riverside San Jacinto Mts. 2590 Comment
  NY640880  Penstemon pseudospectabilis subsp. pseudospectabilis P. A. Munz 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457.2 Comment
  UC1971232  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  UC887461  Penstemon rostriflorus I. W. Clokey and E. G. Anderson 1935-8-21 6903 Riverside Fuller's Creek 1500 Comment
  RSA734888  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  UCR122542  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6672 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  SD224780  Pentagramma triangularis Scott D. White 1996-3-23 3843 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch) 594 Comment
  UCSB3810  Peritoma arborea Long, Frances 1939-12-30 Riverside Palm Springs Comment
  JOTR37437  Perityle emoryi Hodges, Stephen R., T. Hender 2015-12-30 559 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road, near Park Boundary (Stop 2) Comment
  SEINET3127005 Image available Perityle emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37477 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  UCR148464  Perityle emoryi John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR200298  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11214 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
  RSA69829  Petunia parviflora J. C. Roos 1951-10-19 5327 Riverside San Jacinto Valley near south end of Old Jackrabbit Trail. 457 Comment
  UCR207529  Petunia parviflora O. F. Clarke 2007-4-28 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  CAS-BOT-BC326770  Peucephyllum schottii Peter H. Raven 1958-3-15 11831 Riverside Painted Canyon near Mecca Comment
  RSA790632  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 11 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  UCR148305  Peucephyllum schottii 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
  SEINET10801062  Peucephyllum schottii David B. Dunn 1946-2-23 Dunn 1975 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  RSA697775  Phacelia J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2439 Comment
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Nov 10 2010
  UCD166239  Phacelia Jack Major 1962-4-16 774 -bd Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA657245  Phacelia ambigua J. Mark Porter 2001-4-2 12344 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  CLARK-A1528-552  Phacelia campanularia Charlotte Stocks 1962-5-15 Riverside Whitewater Canyon Comment
  UCR120601  Phacelia campanularia Steven R. Hill 2001-5-3 33660 A Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA771630  Phacelia campanularia subsp. campanularia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4992 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UCR228836  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-4-27 39335 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  SEINET4681882  Phacelia crenulata C. Davidson 2010-4-1 11657 Riverside Highway 168 to Joshua Tree National Park, about 1 mile from I-10.; 0 515 Comment
  SD215565  Phacelia crenulata var. ambigua W. Wisura, J. Dolan and M. Wall 1992-3-24 4619 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UCR74369  Phacelia crenulata var. ambigua Theo Glenn 1991-4-30 92- 71 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  RSA0055026  Phacelia crenulata var. ambigua James R. Shevock 1971-5-8 1031 Riverside Near So. entrance, Joshua Tree National Monument. Comment
  JOTR34227  Phacelia curvipes La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2012-5-12 3080 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  CLARK-A1528-558  Phacelia distans C. M. Flanagan 1973-4-14 OO 104 Riverside Sunnymead 579 Comment
  RSA125556  Phacelia distans R. Weatherby 1949-5-21 489 Riverside Between Raduc and Hemet. 610 Comment
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May 29 2013
  RSA428216  Phacelia distans Robert Gustafson 1983-3-27 2486 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA703475  Phacelia distans LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1419 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA74954  Phacelia distans F. W. Peirson 1918-03 955 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  UC69330  Phacelia ivesiana var. pediculoides L. A. Greata April 1905 Riverside Coachella Comment
  RSA510314  Phacelia minor Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  SEINET7073437  Phacelia minor A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR261176  Phacelia ramosissima A. C. Sanders, Katie Young, John Hale 2015-4-22 41602 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  POM9581  Phacelia stellaris I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  RSA0093148  Phacelia umbrosa T. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 Riverside San Jacinto Mountains: San Jacinto River Canyon, along south Fork Trail c. halfway between Hwy 74 and the bottom of the canyon. 1110 Comment
  UCR101584  Phacelia vallis-mortae Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  SD128015  Phleum alpinum Michael Curto 1989-8-6 599 Riverside San Jacinto Mts, Fuller Ridge Trail, at springy N headwaters of Fuller Mill Cr. 2695 Comment
  UC880372  Phlox austromontana P. A. Munz and I. M. Johnston 1922-5-19 5450 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1417 Comment
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Mar 25 2011
  POM13316  Pholistoma membranaceum E. C. Jaeger 1920-3-15 1080 Riverside Palm Canyon, Palm Springs. Comment
  UCR178569  Pholistoma membranaceum R. G. Swinney 1967-2-4 0008 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR114127  Phoradendron californicum B. G. Pitzer, J. Ross 1998-3-8 3602 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  UCR139382  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  SBBG113411  Phoradendron leucarpum subsp. tomentosum D. Wilken with E. Painter 2000-11-4 15868 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  UC6088  Phoradendron villosum Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  CAS-BOT-BC260907  Phragmites australis H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chino Canyon, San Jacinto Mts. Comment
  CAS-BOT-BC260908  Phragmites australis S. B. Parish 1912-7-3 8069 Riverside Salton Bridge near Durmid Comment
  RSA444461  Physalis crassifolia Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  UC494680  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  JEPS47919  Pinus jeffreyi W. L. Jepson 1903-8-9 2290 Riverside Strawberrry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  RSA643448  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 0.7 mi W of Bonny Lane, sec. 14 1311 Comment
  RSA762002  Pinus lambertiana Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 654 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB83  Pinus lambertiana Bobkowski, Jr., Vincent 1960-5-14 Riverside Black Mountain Camp, San Bernardino National Forest, San Jacinto Mountains Comment
  UC1931138  Pinus quadrifolia Scott D. White, Justin Wood 2008-6-17 12190 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak) Comment
  UCR273800  Piperia transversa Mitch Provance, Tom Thompson 2016-7-14 716- 25 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  RSA561111  Piptatherum miliaceum Steve Boyd, Timothy S. Ross, D. Bramlet 1993-5-12 7322 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA615136  Pistacia atlantica A. C. Sanders 1997-3-1 19727 Riverside Riverside: UCR Campus., 33Y 58 N, 117Y 19 W 335 Comment
  UCR120797  Plagiobothrys acanthocarpus Ian G. Gillespie 2000-4-26 26 Riverside Perris-Aguanga Basin, S side of Paloma Valley. Hilltop at S end of Lindenberger Road, SW of the intersection of Scott Road and Briggs Road 473 Comment
  UCR80729  Plagiobothrys acanthocarpus Steve Boyd 1992-4-18 6895 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
  RSA716399  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -A Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR98005  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 B Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  CLARK-A1045-185  Plagiobothrys bracteatus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA653420  Plagiobothrys canescens Scott D. White 1999-5-24 7387 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
  RSA709189  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2005-4-28 29769 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  SEINET7063135  Plagiobothrys canescens A. G. Vestal 1963-3-26 s.n. Riverside Near Wood Canyon ?, Banning. UTM Zone 11, 511375mE, 3751508mN. (WGS84/NAD83). 701 Comment
  UC480644  Plagiobothrys canescens Philip A. Munz 1927-5-21 10833 Riverside Coahuila Valley 1219 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
  UCR214576  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37857 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR91471  Plagiobothrys canescens Scott D. White, M. Jacobsmeyer 1996-4-20 3979 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR108842  Plagiobothrys collinus Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR193404  Plagiobothrys collinus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35619 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  SEINET7073313  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR241390  Plagiobothrys collinus var. fulvescens T. B. Salvato, Mike Landers 2013-3-21 7381 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  POM12983  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-19 5416 Riverside Hemet Valley, San Jacinto Mts. on Garner Ranch 1387 Comment
  RSA85112  Plagiobothrys leptocladus J. C. Roos 1952-4-23 5572 Riverside 1 miles southeast of Perris. 427 Comment
  SEINET272326  Plagiobothrys tenellus A. C. Sanders, G Helmkamp 1997-3-15 19961 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  UCR97458  Plagiobothrys tenellus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19876 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CHSC8091  Plantago Edward L. Smith 1958-3-21 371 Riverside Located 6 mi. s of Rice, near Priests Well. Little Santa Maria Mtns. 365 Comment
  RSA0135564  Plantago elongata R. E. Riefner 2017-4-2 17 -144 Riverside City of Hemet, W Hemet, S of W Florida Ave. (SR 74), SW ca. 0.35 mi from Lyn Ave and California Ave. 482 Comment
  RSA750552  Plantago erecta Scott D. White, Justin M. Wood 2009-5-21 12876 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 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
  OBI33514  Plantago major Becky Brooks 1973-5-26 Riverside Corona, E side of third irrigation pond app 250 yds N Ontario hwy and 100 yds E of Compton Ave- found along bank Comment
  UC1125638  Plantago ovata H. S. Yates 1937-3-23 5396 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR108724  Plantago ovata Scott D. White, Pam DeVries 1998-2-9 6085 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA21751  Plantago ovata var. fastigiata Carl B. Wolf 1937-4-6 8423 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA402014A  Plantago ovata var. fastigiata N. C. Cooper 1949-3-15 3030 Riverside Palm Springs. 122 Comment
  SD248470  Plantago patagonica Mitch Provance 2012-4-24 412 09 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave and Bobcat Road (Beaumont 7.5'Q) 735 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
  UCR270186  Platanus racemosa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42409 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA741373  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR167417  Platystemon californicus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR35346  Platystemon californicus L. B. Ziegler 1967-4-25 119 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  POM146224  Pluchea odorata E. C. Jaeger 1927-11-26 s.n. Riverside n end of Salton Sea, in wet soil at Dos Palmos. Comment
  CAS-BOT-BC414255  Pluchea odorata var. odorata R. E. Riefner, Jr. 2011-10-16 11 -143 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  UC73998  Pluchea odorata var. odorata Geo. R. Hall Sept 1905 Riverside near Riverside Comment
  SEINET8753364 Image available Poa annua Norman C. Cooper 1943-1 951 Riverside Hemet 305 Comment
  UCR2675  Poa annua F. M. Reed 1935-4-2 9263 Riverside Car storage tracks 2 miles south of Perris 436 Comment
  RSA621503  Poa annua D. L. Banks 1997-11-15 2198 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  CAS-BOT-BC254572  Poa fendleriana subsp. longiligula Ralph Hoffmann 1929-9-6 s.n. Riverside Mount San Jacinto 2590 Comment
  SEINET186899 Image available Poa secunda Philip A. Munz 15658 Riverside North slope .Whitewater Canyon , 2 miles north of Banning-Indio boulevard. Comment
  UCR162265  Poa secunda 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
  UCR95715  Poa secunda subsp. juncifolia D. L. Banks, Dylan Hannon 1996-5-3 971 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  POM159502  Polygala acanthoclada E. C. Jaeger 1927-11-26 s.n. Riverside Eagle Mountains: 1 mile N of Cottonwood Spring Comment
  SBBG61496  Polygonum douglasii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  RSA630328  Polygonum lapathifolium Scott D. White 1996-9-22 4539 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  RSA430215  Polygonum persicaria D. Thomason 1987-7-7 s.n. Riverside Lake Cahuilla, Coachella Valley. Comment
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Feb 9 2009
  UC6740  Polygonum polygaloides subsp. kelloggii H. M. Hall 1901-6 2354 Riverside Tauquitz Valley San Jacinto Mountains (along stream) 2438 Comment
  RSA495426  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2952 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR172143  Polypogon monspeliensis A. C. Sanders 2006-5-11 32257 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
  UCR22042  Polypogon monspeliensis Steve Boyd 1980-5-15 274 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  IRVC175  Polystichum imbricans subsp. curtum C. Thompson 1965-4-24 HS 548 Riverside Upper San Juan Creek Camp; Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  SD157478  Populus trichocarpa Bill Knerr Jan 1998 Riverside Old Hwy 395, 9 miles south of Hwy 76, flat area Comment
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Sep 7 2013
  RSA472193  Porophyllum gracile Robert Gustafson 1981-4-7 2151 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA561813  Porophyllum gracile Steve Boyd 1992-4-14 6830 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR72162  Porophyllum gracile Theo Glenn 1991-5-7 91- 93 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  CAS-BOT-BC540421  Potentilla gracilis var. fastigiata H. M. Hall 1898-1-1 s.n. Riverside Unspecified Comment
  UC403983  Proboscidea althaeifolia Low Wiley 1905-1 Riverside Paloverde Comment
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Jan 23 2012
  UCR211500  Proboscidea althaeifolia Jim Andre, T. La Doux 2008-9-13 10267 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along dirt road c. 2 mi. north of Desert Center, 0.5 mi. west of Tamarisk Golf Course/Kaiser Road jct. 234 Comment
  SEINET695566  Proboscidea louisianica Howard Scott Gentry 1948-6-30 8181 Riverside Gentry Farm, ca. 3 miles northeast of Murrieta. Comment
  CAS-BOT-BC202362  Prosopis glandulosa var. torreyana A. C. Sanders; Steve Boyd; Mitch Provance 1999-9-14 23075 Riverside San Bernardino Valley: Colton Dunes, dune remnant on Slover Ave. between Pepper Ave and the tank farm, ca. 1 mile due W of Slover Mtn. 320 Comment
  POM348731  Prosopis glandulosa var. torreyana N. C. Cooper 1942-4-17 576 Riverside Palm Springs. Comment
  POM348734  Prosopis glandulosa var. torreyana D. A. Young 1969-4-18 p 354 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  UC668374  Prunus fasciculata Annie M. Alexander and Louise Kellogg 1941-4-24 2075 Riverside Morongo Valley, Dry Morongo Creek Dry Morongo Creek; Morongo Valley, Dry Morongo Creek 640 Comment
  SBBG3057  Prunus fremontii M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  RSA650387  Prunus ilicifolia C. J. Humphrey 1936-6-7 134 Riverside [No location information provided.] Comment
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Dec 15 2011
  RSA697081  Psathyrotes ramosissima J. R. Bruff 1927-10-8 1 -S Riverside Thousand Palms Comment
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Sep 10 2011
  RSA726519  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SBBG8677  Psathyrotes ramosissima H. and M. Dearing 1939-11-11 4028 Riverside E of Palm Springs Comment
  SD234306  Pseudognaphalium beneolens R. E. Riefner Jr. 2006-9-14 06 432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  RSA614635  Pseudognaphalium biolettii D. L. Banks 1997-3-29 1561 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD262210  Pseudognaphalium biolettii Mitch Provance, Matt K. Beyers 2017-6-8 617 12 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. (Alberhill 7.5'Q) 366 Comment
  RSA596145  Pseudognaphalium luteoalbum D. L. Banks 1996-11-7 1193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  IRVC2821  Pseudotsuga macrocarpa R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  UC1078931  Pseudotsuga macrocarpa Job Kuijt 1958-3-14 1496 Riverside 0.6 mi se, on Highway 74 Keen Camp Summit; San Jacinto Mts., Highway 74 1280 Comment
  JEPS41710  Psorothamnus arborescens var. simplicifolius M. French Gilman 1931-5-20 Riverside between Palm Springs and Whitewater Comment
  SD116581  Psorothamnus arborescens var. simplicifolius Barbara Ertter, Jeffrey Strachan 1980-5-20 3568 Riverside West side Whitewater Hill, east side of Whitewater Wash, northwest end of Coachella Valley, north of I-10. 456 Comment
  RSA134875  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
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Aug 18 2010
  UC52161  Psorothamnus emoryi E. E. Schellenger Jul 25 1903-Aug 14 1903 4 Riverside near Palm Springs (Colorado Desert); , near Palm Springs Comment
  SD46419  Psorothamnus emoryi var. emoryi P. C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2 miles north of turn off highway 60/70, west of desert center to eagle Mountain pumping station 259 Comment
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Apr 5 2011
  CAS-BOT-BC340876  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  GMDRC4953  Psorothamnus schottii J. Andre 2011-2-9 15899 Riverside Mecca Hills; along Box Canyon Rd at upper end of gorge, approx. 6 mi. SSE of Jct with I-10, approximately 12 mi. west of Chiraco Summit 284 Comment
  JEPS41679  Psorothamnus schottii W. L. Jepson 1914-5-22 6040 Riverside near Indio (Thousand Palms Canyon, Colorado Desert); Colorado Desert, Thousand Palms Canyon, nr Indio Comment
  RSA113923  Psorothamnus schottii Percy C. Everett, E. K. Balls 1956-5-2 31555 Riverside 4 mi. N from turn-off Hwy. 60/70, W of Desert Center, on rd. to Eagle Mt. Pumping Sta., 305 Comment
  SBBG6275  Psorothamnus schottii T. L. Secrest 1948-4-7 Riverside 18 mi N of Indio 304 Comment
  UCR120973  Psorothamnus schottii Jennie Phui 1998-6-3 306 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  CAS-BOT-BC340950  Psorothamnus spinosus S. B. Parish 1912-6-28 8107 Riverside Painted Canon [Canyon] near Mecca Comment
  RSA404267  Psorothamnus spinosus Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms 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
  RSA91439  Psorothamnus spinosus F. W. Peirson 1921-4-13 568 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  SDSU13320  Pteridium aquilinum var. pubescens 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
  JOTR31854  Pterostegia drymarioides La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2112 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR158350  Pterostegia drymarioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30080 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
  UCR162402  Pterostegia drymarioides 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
  UCR76076  Pterostegia drymarioides B. G. Pitzer, Stu Hemstreet 1992-5-21 1939 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  UCR58875  Pulicaria paludosa J. M. Stewart 1989-10-20 620 Riverside Santa Rosa Mtns, Carrizo Creek Canyon, c. 1 mi south of Hwy 74 Comment
  RSA667366  Punica granatum A. C. Sanders, Mark A. Elvin, Vipul Joshi 2002-4-26 25020 Riverside The Badlands: canyon above Eden Hot Springs. 549 Comment
  UC64543  Purshia tridentata var. glandulosa H. M. Hall 1897-4-7 448 Riverside near Whitewater; Colorado Desert Comment
  RSA0021859  Purshia tridentata var. glandulosa Philip A. Munz, I. M. Johnston 1922-5-20 5494 Riverside Kenworthy. 1433 Comment
  SEINET13953033 Image available Quercus agrifolia Martha P. Creighton 1952-1 464 Riverside 12 miles east of Hemet Comment
  UCR161944  Quercus agrifolia var. oxyadenia Mike Misenhelter 2005-9-9 s.n. Riverside San Bernardino Mtns., northeast of intersection of Basil Lane and Butterfly Drive, just south of Wildwood Canyon Road, north of Cherry Valley 1052 Comment
  RSA221004  Quercus berberidifolia E. W. Lathrop 1966-5-8 6482 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCD45202  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  UCR100773  Quercus berberidifolia A. C. Sanders, T. Tennant 1997-11-14 21602 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  UCR262242  Quercus berberidifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3719 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
  UCR273038  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  UC1010215  Quercus cornelius-mulleri John C. Roos 1946-9-14 3018 Riverside e of Asbestos Mtn.; Santa Rosa Mts., Dos Palmos Spring 1066 Comment
  UCD45606  Quercus cornelius-mulleri K. R. Montgomery 1969-6-9 69 19 Riverside Wilson Valley, 18 miles south of Hemet, Riverside County, California. Elev. 3500'. 1066 Comment
  RSA228817  Quercus engelmannii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 607 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  RSA509348  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  UCR273033  Quercus engelmannii Mitch Provance 2012-1-25 17376 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  UCR66549  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside 0.5 mi. south of Sage 716 Comment
  RSA652367  Quercus kelloggii William Gilbert 1969-5-24 s.n. Riverside Between Banning and Idyllwild 1524 Comment
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Aug 17 2011
  UCR169242  Quercus kelloggii Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 77 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  UCSB1180  Quercus kelloggii Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 74 1524 Comment
  UCD56592  Quercus palmeri Rudolph Fischer 1965-10-8 5 Riverside East foothills of Thomas Mountain. Santa Rosa range. Ca. 10 miles south of Keen Camp. State Highway 74. 1341 Comment
  RSA125969  Quercus wislizeni var. frutescens E. K. Balls, P. C. Everett 1957-11-4 22749 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
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Jun 13 2008
  UCR104910  Rafinesquia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20643 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
  UCR123863  Rafinesquia californica Steven R. Hill 2001-5-3 33678 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA472421  Rafinesquia neomexicana N. C. Cooper 1944-3-25 1038 Riverside Morongo Pass. 457 Comment
  RSA550012  Rafinesquia neomexicana Walter Wisura, John Dolan, C. Demme 1992-4-13 4685 Riverside Wileys Well road, 2.7 miles s of prison Comment
  RSA650948  Rafinesquia neomexicana Marion P. Harthill 1973-2-17 1573 Riverside Snow Creek, Palm Springs 366 Comment
  UCR214562  Rafinesquia neomexicana A. C. Sanders 2010-3-15 37410 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA95060  Rafinesquia neomexicana F. W. Peirson 1914-04 1476 Riverside Whitewater at head of Coachella Valley. Comment
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Apr 30 2011
  POM296  Ranunculus cymbalaria var. saximontanus I. M. Johnston 1917-6-9 1219 Riverside Santa Ana River near Corona Comment
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Nov 20 2011
  UCR18915  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 610 Comment
  CLARK-A1045-161  Ranunculus occidentalis George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  CAS-BOT-BC56050  Rhamnus ilicifolia I. M. Johnston 1930-6-15 3790 Riverside Lost Palms Canyon, above Anschutz Well, Eagle Mts. Comment
  RSA335025  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  RSA764118  Rhamnus tomentella Linda M. Prince, Duncan S. Bell 2009-6-17 583 Riverside Cleveland National Forest Comment
  UC22144  Rhododendron occidentale H. M. Hall June, 1901 2241 Riverside w side of San Jacinto Mountains San Jacinto Mountains 1828 Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  CAS-BOT-BC200030  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA60298  Rhododendron occidentale var. californicum G. R. Campbell 1948-7-4 609 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  HSC101786  Rhus aromatica J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13199 Riverside 1470 Comment
  JOTR34486  Rhus aromatica Andre, Jim 2012-4-16 20970 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA650225  Rhus ovata James Carill 1949-3-26 s.n. Riverside 1/2 mi. So. Palm Springs. 91 Comment
  SD137932  Rhus ovata Darin L. Banks, Steve Boyd 1995-3-16 108 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove, north slope of Wildhorse Peak on Wildhorse trail 669 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
  SEINET10494683  Rhus ovata Timothy Reeves 1978-5-13 Reeves 6878 Riverside San Jacinto Mts. 5 mi S of Banning on Hwy 243. Chaparral. Ferns among rocks (ig) or in crevices. 1097 Comment
  SEINET3080843 Image available Rhus trilobata var. anisophylla Howard Scott Gentry 1948-1 8175 Riverside Gentry Farm, ca. 3 miles NE of Murrieta. Comment
  CLARK-A1528-120  Rhus trilobata var. pilosissima Fred B. Essig 1967-3-18 Riverside Riverside Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  RSA263679  Ribes californicum var. hesperium E. W. Lathrop 1968-5-22 6925 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA180295  Ribes indecorum E. W. Lathrop 1965-4-4 5647 Riverside 8 miles west of Murrieta Comment
  RSA191421  Ribes indecorum E. W. Lathrop, Robert F. Thorne 1967-9-26 6599 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  RSA496659  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Eastern foothills of the Santa Ana Mts, midway beween Murrieta and Temecula. Los Cerritos Ranch and adjacent 80acre property to the NW, N of Cherry St, W of Adams Ave, S of Meadowlark Ridge Lane and Elm St. 366 Comment
  RSA577519  Ribes indecorum D. L. Banks, Steve Boyd 1995-2-16 0047 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. 731 Comment
  UC1608282 Image available Ribes indecorum Steve Boyd, Tim Ross 1993-2-22 7720 Riverside w Perris (in canyon along Santa Rosa road beween Gavilan Plateau and road to Steele Valley); Gavilan Hills 624 Comment
  UCR112398  Ribes indecorum A. C. Sanders, Mitch Provance, E. J. Lawlor 2000-1-23 23313 Riverside Lake Skinner area, summit of Black Mtn. 915 Comment
  UCR114805  Ribes indecorum Mitch Provance 1998-2-17 80 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR178327  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  RSA0021662  Ribes malvaceum Justin M. Wood 2009-3-10 346 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  POM319730  Ricinus communis Patricia Wilder 1970-10-30 4855 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  RSA628428  Robinia pseudoacacia A. C. Sanders, K. C. Rose 1999-6-18 22802 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd. 439 Comment
  CHSC25561  Romneya coulteri Robert A. Schlising 1973-6-25 3105 Riverside Deadend road, 2.1 mi SW jct with Hwy 71 in Corona. Comment
  RSA16365  Romneya coulteri Percy C. Everett 1935-6-17 7167 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 610 Comment
  UCR26623  Romneya coulteri E. W. Lathrop 1966-5-1 6255 Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi. west of Corona Comment
  SD1956  Rorippa nasturtium-aquaticum Frank Stephens 1926-1 Riverside Aguanga Comment
  UCR25953  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  POM366413  Rubus parviflorus Robert L. Rutherford 1944-6-17 1401 Riverside Above Banning. 1372 Comment
  UCR116681  Rubus pensilvanicus A. C. Sanders, Chet McGaugh 2001-7-26 24475 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR68863  Rubus ursinus Steve Boyd, T. S. Ross 1990-5-11 4665 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCR132822  Ruellia A. C. Sanders 1997-10-13 21587 Riverside Riverside, UCR Botanical Garden 366 Comment
  UCR248041  Rumex Kai T. Palenscar 2013-6-11 s.n. Riverside Peninsular Range, City of Lake Elsinore, 2 km southeast of the lake along channel 340 m north of Corydon Rd. on eastern bank 390 Comment
  CAS-BOT-BC433587  Rumex hymenosepalus Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3954 Riverside Vail Lake area, granitic ridge at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  RSA667134  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  UCR90800  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17985 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  RSA697858  Salazaria mexicana J. R. Bruff 1928-4-2 113 Riverside Canyon W of Morengo Comment
  UCR251645  Salazaria mexicana Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 827 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  RSA774509  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4460 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  LA208646  Salix exigua var. hindsiana Carl Hedin; Joseph Ewan 1933-3-19 7677 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  CAS-BOT-BC108114  Salix gooddingii Ivan Johnston 1917-4-4 1056 Riverside Palm Canyon - Colorado Desert 457 Comment
  UC846811  Salix gooddingii Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  UCR231769  Salix gooddingii John F. Green 2008-4-21 02- 05 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA92696  Salix gooddingii F. W. Peirson 1918-03 719 Riverside Near Mecca and the Salton Sea. Comment
  HSC82747  Salix laevigata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54101 Riverside Flood Plain along Whitewater River, 3 mi. N of Whitewater Post Office. 591 Comment
  RSA0014930  Salix laevigata LeRoy Gross, Caitlin Elam 2013-5-14 6179 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UC846611  Salix laevigata Joseph Andorfer Ewan 1933-3-19 10903 Riverside Santa Ana R. at Prado; Santa Ana R. Comment
  UCR151975  Salix lasiolepis Steve Boyd, Aydee Virgen 2004-4-13 10847 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM319717  Salsola tragus Patricia Wilder 1971-9-29 5259 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA0112097  Salsola tragus Duncan S. Bell 2009-8-15 428 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  RSA0094961  Saltugilia australis P. A. Munz 1926-5-2 10424 Riverside 5 miles NW of Dripping Spring. Comment
  RSA0094988  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive & Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  RSA772575  Salvia apiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5008 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SDSU7473  Salvia columbariae Pamela A. Beare 1992-3-13 13 III92C Riverside just norh of Box Canyon road. approx 7 miles ca. east of Painted Canyon Road, east of Mecca. Comment
  SEINET3242546  Salvia columbariae Norman C. Cooper 1944-1 1006 Riverside Cabazon, Riverside Co. 457 Comment
  UCD125694  Salvia columbariae R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  UCR120185  Salvia columbariae Mitch Provance 1998-3-7 170 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.1 km west of peak 1602, c. 0.75 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside. 442 Comment
  UCR265829  Salvia columbariae Mitch Provance 2012-5-24 512- 11 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
  JOTR31088  Salvia dorrii var. pilosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2350 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  UC597633  Salvia eremostachya Philip A. Munz 1937-5-30 15109 Riverside n end Santa Rosa Mountains (Dos Palmos Spring); n end Santa Rosa Mountains, Dos Palmos Spring 1097 Comment
  UCR18805  Salvia greatae John C. Roos 1942-4-6 4142 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., 2.1 mi NE of Dos Palmas Spring 213 Comment
  CHSC26489  Salvia mellifera James Henrickson 1970-4-10 4529 Riverside 8 air miles ESE of Temecula along Hwy. 71-19. 542 Comment
  CLARK-A1528-3122  Salvia mohavensis John C. Roos 1965-6-23 Riverside Lost Palms Canyon Comment
  RSA5425  Salvia mohavensis B. D. Stark 1932-6-15 3743 Riverside Lost Palms Canyon, Eagle Mountains, Colorado Desert 259 Comment
  POM97987  Salvia mohavensis E. C. Jaeger 1926-3-4 s.n. Riverside Eagle Mountains. 1189 Comment
  RSA259187  Salvia pachyphylla P. A. Munz 1938-8-14 15363 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  CDA18821  Salvinia molesta R. O'Connell 1999-8-2 PDR 1142335 Riverside Palo Verde Irrigation District. 0 Comment
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Feb 6 2009
  RSA132549  Sambucus mexicana Donald A. Johansen 1933-7-14 714 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR121092  Sambucus mexicana A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24974 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  SDSU13913  Sanicula arguta Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2067 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  UC1537168  Sanicula bipinnatifida Gordon H. True Jr. 1935-3-14 110 Riverside e of Gavilan Peak (Gavilan Hills); Gavilan Hills 609 Comment
  SEINET13945144 Image available Sanicula bipinnatifida Steve Boyd 1986-1 1379 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area. Elev 1400-1600 ft 488 Comment
  SD181730  Sanicula crassicaulis Scott D. White 2000-5-1 7737 Riverside Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UC1563043  Sanicula crassicaulis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3074 Riverside 0.25 mi e of Pauba Road (s of Highway 79, Vail Lake Area); Vail Lake Area 426 Comment
  RSA613422  Sarcostemma hartwegii D. L. Banks 1997-4-5 1670 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UC68708  Sarcostemma hirtellum H. M. Hall Apr., 1905 5857 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  UCR226768  Sarcostemma hirtellum Jim Andre 2011-2-9 15897 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  SEINET3080653 Image available Schinus molle Unknown 1965-2-28 Riverside Riverside 5226 Olivewood Drive 274 Comment
  UCR113624  Schinus terebinthifolius O. F. Clarke 2000-10-4 s.n. Riverside Santa Ana River Valley, Hidden Valley Nature Center, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  CAS-BOT-BC239933  Schismus arabicus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6464 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  SEINET10597117  Schismus arabicus Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22139 Riverside Temescal Cayon, 8 mi SE of Corona, in open sandy wash. Comment
  RSA466562  Schismus barbatus Christopher Davidson 1973-4-1 1803 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UC1132931  Schismus barbatus H. S. Yates 1937-3-23 6415 Riverside near White Water 304 Comment
  UCD93252  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR59814  Schoenoplectus acutus var. occidentalis Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. 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
  RSA500152  Scirpus microcarpus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3649 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR207610  Scirpus robustus O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  RSA740937  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12439 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA0074165  Scutellaria siphocampyloides Richard Olmstead 1986-6-8 804 Riverside 1.1 mile SE of Mountain Center along Hwy 74. 1448 Comment
  RSA560371  Scutellaria tuberosa Steve Boyd 1992-4-14 6811 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR90826  Searsia lancea A. C. Sanders, G. K. Helmkamp 1996-3-17 17982 Riverside Sonoran (Colorado) Desert, Coachella Valley; Palm Springs, W side of Palm Canyon Dr. just above (S of) junction with Hwy 111 140 Comment
  SEINET3074313 Image available Selaginella bigelovii A. C. Sanders, M. Jacobsmeyer, C. Sanders 1995-2-5 15908 Riverside San Bernardino Mountains; Whitewater Canyon, between Bonnie Bell and the fish hatchery. 550 Comment
  SD181812  Selaginella eremophila Louis C. Wheeler 1964-10-17 8639 Riverside North slope of Orocopia Mountains, southerly from Hayfield Reservoir, below water shedding sloping rock faces in sun. Comment
  SEINET3094739 Image available Senecio douglasii Norman C. Cooper 1943-9-26 926 Riverside Cabazon 549 Comment
  RSA296172  Senecio douglasii var. monoensis B. A. Prigge 1980-8-5 3874 Riverside Whitewater Canyon, 0.5 mile north of trout farm 732 Comment
  CAS-BOT-BC323975  Senecio flaccidus var. douglasii H. M. Hall 1905-5-1 6247 Riverside Colorado Desert. Cottonwood Pass. 609 Comment
  CAS-BOT-BC323994  Senecio flaccidus var. douglasii C. Epling; Wm. Robison 1933-6-24 s.n. Riverside Little San Bernardino Mts. San Gorgonio Wash near Banning. Comment
  CAS-BOT-BC327421  Senecio flaccidus var. douglasii Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  SD136897  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mountains, San Mateo CAnyon Wilderness Area of the Cleveland National Forest. 359 Comment
  UC91464  Senecio flaccidus var. douglasii J. W. Toumey 1894-9-27 71 Riverside Banning Comment
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Mar 13 2011
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  JOTR35365  Senecio mohavensis Harding, Mitzi, M. Wheeler 2011-1-26 149 Riverside Joshua Tree National Park. West Coxcombs, north facing rocky slope (STOP3) 328 Comment
  UCR213264  Senecio mohavensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37452 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
  SEINET2055018 Image available Senecio vulgaris Unknown 1965-4-22 Riverside 2800 Mary Street, Victoria Village Shopping Center, Riverside 262 Comment