Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67715  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 05 Riverside Santa Rosa Mtns, N of Toro Peak at Virgin Spring 2348 Comment
  SDSU13664  Abronia umbellata var. umbellata W. Miller Riverside Comment
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Feb 2 2019
  CAS-BOT-BC229340  Abronia villosa Peter H. Raven 1958-1-23 11426 Riverside Fringing United States Highway 99, 6.5 miles north-west of Indio Comment
  OBI26123  Abronia villosa David J. Keil 1976-12-12 11923 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  RSA155551  Abronia villosa L. S. Rose 1962-3-2 62010 Riverside La Quinta 3 Comment
  RSA175175  Abronia villosa Robert F. Thorne 1963-3-29 32365 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  SEINET1906290  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-1 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  POM202487  Abronia villosa var. aurita Marcus E. Jones 1934-5-9 s.n. Riverside Corona Comment
  RSA652385  Abronia villosa var. aurita Jim M. Morrow 1959-5-24 s.n. Riverside Edge of old Hwy 71, Temescal Canyon. Near Alber hill. 305 Comment
  SD143825  Abronia villosa var. aurita Scott D. White 1997-5-25 5221 Riverside Bautista Canyon, along Bautista Canyon Rd. ca. 1.3 miles northwest of Hixon Trailhead. 700 Comment
  UCR12006  Abronia villosa var. aurita Coleta A. Lawler 1968-8-18 251 Riverside San Jacinto Mtns., Hwy 74, just south of junction with road leading to Lake Hemet 1311 Comment
  UCR234804  Abronia villosa var. aurita Jim Andre, Glenn L. Clifton 2011-2-22 17473 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  RSA779201  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  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
  CSUSB1602  Acacia greggii Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
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Jun 3 2012
  RSA414905  Acacia greggii N. C. Cooper 1944-5-20 2632 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  POM2530  Acacia greggii var. arizonica J. S. Chase 1916-04 s.n Riverside Palm Springs. Comment
  CAS-BOT-BC30907  Acamptopappus sphaerocephalus Herman Knoche 1919-6-2 635 Riverside Whitewater Comment
  SD121846  Acamptopappus sphaerocephalus C. H. Muller 1952-5-20 Riverside Whitewater Canyon Comment
  SEINET1956958 Image available Acamptopappus sphaerocephalus var. sphaerocephalus A. J. Breitung 1953-6-12 15554 Riverside Santa Rosa Mts. Hwy. 74, San Bernardino National Forest Riverside Co., California Comment
  UC74095  Acamptopappus sphaerocephalus var. sphaerocephalus M. F. Gilman 1904-1-1 39 Riverside Banning; Southern California Comment
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Mar 21 2011
  UCR167983  Acer macrophyllum T. B. Salvato, John F. Green 2004-5-27 649 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR169320  Acer negundo T. B. Salvato, John F. Green 2004-5-27 619 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA263721  Achnatherum coronatum E. W. Lathrop 1966-5-26 6341 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA129687  Achnatherum hymenoides H. S. Yates 1937-3-23 6414 Riverside Near Whitewater 305 Comment
  RSA714960  Achnatherum hymenoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5204 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  RSA588840  Achnatherum speciosum D. L. Banks, Steve Boyd 1995-10-17 783 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  CAS-BOT-BC384722  Achyronychia cooperi S. B. Parish 1896-4-1 4139 Riverside Palm Springs, Colorado Desert Comment
  SBBG133770  Acmispon brachycarpus A. C. Sanders 2011-4-26 39327 Riverside Alberhill Mtn, S side near Nichols Rd, ca. 350 m WNW (276 deg ) of Nichols Rd and Pierce St intersection 395 Comment
  RSA799086  Acmispon rigidus Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6883 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  SBBG34207  Acmispon strigosus T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  SBBG53747  Acmispon strigosus S. Boyd 1980-5-2 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  JOTR16557  Adenophyllum cooperi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY; NORTH SIDE MONUMENT ROAD 1341 Comment
  SEINET10859062  Adenophyllum porophylloides A. K. Evans 1976-4-13 Evans 5204 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  RSA234084  Adenostoma fasciculatum var. fasciculatum Robert F. Thorne, E. W. Lathrop 1969-6-6 39326 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  SD84929  Adenostoma sparsifolium Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 430 Riverside North side of canyon ca. 350 yds above 1st turnout, east side of Santa Rosa Mt. Rd. south of Hwy 74, Palm Canyon drainage, Santa Rosa Mts. 1524 Comment
  CAS-BOT-BC69648  Adiantum capillus-veneris Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, Colorado Desert, 5 mi. e. of Palm Springs. Comment
  RSA687684  Adiantum capillus-veneris Marjorie D. Clary 1932-6-5 1954 Riverside Eagle Canyon, W side Colo. D. 457 Comment
  RSA523501  Adiantum jordanii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3961 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UCR92229  Adiantum jordanii D. L. Banks, Steve Boyd 1995-5-9 419 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  POM162734  Agrostis exarata Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  UCR272822  Agrostis idahoensis Mitch Provance 2015-7-23 715- 05 Riverside San Jacinto Mountains, Fern Valley, Strawberry Creek, vicinity of Rim Rock Drive. 1866 Comment
  OBI26126  Aliciella latifolia subsp. latifolia David Keil 1976-12-12 11904 Riverside 5 miles E. of Indio along I-10. Larrea-Atriplex desert. Comment
  JEPS22520  Allionia incarnata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6190 Riverside 9.4 mi n of Blythe (at western base of the Big Maria Mountains); Big Maria Mountains 167 Comment
  SEINET11941862  Allionia incarnata M. T. Doutt 1931-1 779 Riverside Chino Canyon, Palm Springs Comment
  CAS-BOT-BC131979  Allium haematochiton S. Mashayekhi; M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from S. main divide, below the Radio Tower 971 Comment
  RSA770542  Allium haematochiton S. Mashayekhi, M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from south main divide, below the Radio Tower 971 Comment
  SD119912  Allium lacunosum var. davisiae Louis B. Ziegler 1967-6-27 181 Riverside San Jacinto Mountains, Hemet Valley, on flat on top of Pleistocene Sedimentaries, Morris Ranch Road area. 1615 Comment
  RSA706306  Allium munzii Valentin Arvizu 2005-4-20 1 Riverside Temescal Valley, mouth of Indian Canyon, 15 fwy x Indian Truck Trail., CNDDB EO# 8 (probable Type Locality for Allium munzii), Sycamore Creek housing development site. 381 Comment
  UC63835  Allium munzii H. M. Hall 1897-5-5 525 Riverside vicinity of Winchester 426 Comment
Read comments
Mar 25 2012
  SEINET7882508 Image available Allium peninsulare Jean Coulson 1959-1 s.n. Riverside Box Spring Mts. Riverside County, California. 200 yds. beyond the fork in the radio tower road, on the road which goes to the 'C'. E. of road 100 ft. up small, dry stream bed. Comment
  UCR111767  Allium praecox Mitch Provance 1998-3-17 222 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.7 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside. 375 Comment
  RSA0112629  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns.: east side of May Valley, NE of Bonita Vista Rd. at foot of hills. Comment
  UCR104085  Allophyllum divaricatum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20633 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
  CAS-BOT-BC170132  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside N base of San jacinto Mts., Snow Creek Canyon, 1/2 mi below Fish Hatchery 548 Comment
  JOTR35164  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 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
  UCD97074  Amaranthus arenicola T. B. Salvato; A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore and Buchanan on Avenue 56. -37 Comment
  UCR78632  Amaranthus blitoides Scott D. White 1992-9-11 s.n. Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  UCR4345  Amaranthus powellii O. F. Clarke, Jeanine Derby 1973-9-23 s.n. Riverside Santa Ana River Valley, City of Corona, river bottom area Comment
  JEPS54324  Amaranthus retroflexus M. and J. Lesley Oct 1929 Riverside Riverside Comment
  RSA711758  Amaranthus retroflexus B. L. Phillips 1994-9-12 s.n. Riverside A weed on the UCR campus at the community vegetable gardens at the NE corner of the intersection of Canyon Crest Dr. and M.L. King Blvd. (=Pennsylvania Avenue). Comment
  CAS-BOT-BC13615  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon 609 Comment
  UC1929936  Ambrosia acanthicarpa Scott D. White 2003-10-9 9826 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. San Jacinto Peak 7.5' Quad. Comment
  CDA9976  Ambrosia dumosa A. C. Browne 1957-4-6 s.n. Riverside 6 miles east of Indio. 0 Comment
  JOTR29388  Ambrosia dumosa La Doux, Tasha, Mike Bell 2006-5-10 1465 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA289720  Ambrosia dumosa Lyman Benson 1933-3-31 4162 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  UC218034  Ambrosia dumosa P. A. Munz, D. Keck 1922-4-13 4934 Riverside slope of Aushurtz Canyon; Colorado Desert, Eagle Mts. 274 Comment
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
Read comments
Jul 14 2012
  UCR174457  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32374 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR77564  Ambrosia pumila Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6331 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  LA36849  Ambrosia salsola LeRoy Abrams; 1941-4-24 13935 Riverside San Jacinto Mountains, San Gorgonio Pass, near Cabazon Comment
  SD229059  Ambrosia salsola Dick Schwenkmeyer 2012-5-22 725 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SDSU1709  Ambrosia salsola Marjorie Collier 1951-3-25 9145 Riverside Palm Canyon, 5 miles south of Palm Springs. Comment
  UCR244304  Ambrosia salsola Jim Andre 2012-4-15 20855 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCSB6610  Ambrosia salsola var. salsola Haller, John 1960-4-2 Riverside Orocopia Mountains, 1.5 mi. S of the junc. of U.S. 60-70 and the S entrance road to Joshua Natl. Monument 579 Comment
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
Read comments
Nov 23 2010
  UCR110411  Ammannia robusta A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23176 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CLARK-A1528-2723  Amorpha californica John C. Roos 1952-6-13 5767 Riverside Box Springs Mountains 487 Comment
  UC1563129  Amorpha fruticosa Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3580 Riverside Vail Lake Vail Lake area, Oak Mtn. (hills at nw end, e end of mt., n of Wilson Creek) 487 Comment
  UCR17127.2  Amorpha fruticosa var. occidentalis Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  UCR23978  Amorpha fruticosa var. occidentalis John C. Roos 1966-5-5 s.n. Riverside Gilman Hot Springs, San Jacinto Valley Comment
  SEINET13203158 Image available Amsinckia Mitch Provance 2005-1 6571 Riverside Warm Springs Valley: Terra Cotta Nichols Rd. Wetland at Alberhill Creek, ca. 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. (Lake Elsinore 7.5' Q.) 396 Comment
  RSA523552  Amsinckia intermedia G. H. True 1936-2-22 10 Riverside Mockingbird Canyon [in or near City of Riverside -SDW] 457 Comment
  UCD119702  Amsinckia intermedia R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon. Comment
  UCR167069  Amsinckia intermedia Scott D. White 2005-3-29 10845 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA0089919  Amsinckia menziesii Justin M. Wood 2008-12-2 265 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  JEPS90275  Amsinckia tessellata var. tessellata Roderick MacDonald 1973-3-18 1019 Riverside vicinity of Live Oak Tank (Colorado Desert, Joshua Tree National Monument); Colorado Desert, Joshua Tree National Monument 1280 Comment
Read comments
Nov 6 2011
  POM115619  Amsonia brevifolia var. tomentosa A. M. Alexander, Louise Kellogg 1941-5-23 2225 Riverside one-half mile north of cottonwood spring, Eagle mountains. 915 Comment
  RSA524431  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Timothy S. Ross, Jaime Bonilla 1990-4-3 4047 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA385148  Andropogon glomeratus Anstruther Davidson 1898-1 s.n. Riverside Palm Springs. Comment
  RSA0016114  Androstephium breviflorum Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24397 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UCR97751  Androstephium breviflorum Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  UCR5124  Angelica tomentosa Frank C. Vasek 1966-9-5 660905- 10 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  UC63096  Anisocoma acaulis H. M. Hall May 17 1901-Jun 1 1901 1807 Riverside s side, (journey from Riverside to Santa Rosa Peak and Palomar) San Jacinto Mt. 1554 Comment
Read comments
Nov 9 2015
  SEINET10721346  Antennaria David B. Dunn 1946-8-18 Dunn 2760 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to Round valley & to Peak; but 50 feet farther up trail. 2743 Comment
  RSA800236  Anthemis cotula Justin M. Wood 2010-6-17 2047 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  JEPS26104  Antirrhinum coulterianum Peter H. Raven 1958-5-17 12942 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  JEPS57290  Antirrhinum coulterianum L. R. Heckard and R. C. Bacigalupi 1968-5-5 1804 Riverside 2.6 mi n Radec 548 Comment
  SBBG117123  Antirrhinum coulterianum J. Chandler 2003-6-24 Riverside across from 42525 Wildwood Lane, Aguanga Comment
  UCR160124  Antirrhinum coulterianum J. Chandler 2003-6-24 1261516 Riverside Peninsular Range, Vacant lot across from 42525 Wildwood Lane, Aguanga 1006 Comment
  CDA36138  Antirrhinum cyathiferum CDFA Staff 2011-10-4 s.n. Riverside Grown from seed collected in Deep Canyon, Riverside County. Sacramento, CDFA greenhouse on Meadowview Road. 0 Comment
  RSA0123683  Antirrhinum filipes Duncan S. Bell, LeRoy Gross 2016-3-9 8858 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  SD136754  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area. Indian Potrero Trail from Verdugo Potrero to Indian Potrero Trail on ridge between Talega Canyon and Nickel Canyon 609 Comment
  UCR232353  Antirrhinum nuttallianum John F. Green 2008-4-15 0408- 21 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA304702  Antirrhinum nuttallianum subsp. nuttallianum James R. Shevock 1970-4-25 158 Riverside Coldwater Trail 579 Comment
  UC1537412  Antirrhinum nuttallianum subsp. nuttallianum Gordon H. True Jr. 1935-4-17 242 Riverside Mockingbird Canyon 457 Comment
  SD143759  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: Northeast of Skinner Lake in a tributary to Rawson Canyon, along dirt road. North-facing slope in a brushy side canyon 502 Comment
  SD185109  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  SDSU17494  Apiastrum angustifolium Jerry Jenkins 2001-3-30 2001 -016 Riverside Santa Margarita Ecological Reserve. West side of S.M. River, slightly north of station. UTM zone 6, 481700E, 3699150N UTM transfered to GIS. Comment
  RSA768577  Apium graveolens Justin M. Wood 2010-5-19 1846 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  SD136932  Apocynum cannabinum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7327 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon, along stream from Los Alamos Canyon to Tenaja Canyon 365 Comment
  UC455476  Apocynum cannabinum F. M. Reed Riverside Riverside Comment
  JEPS53033  Arabis glabra Carl V. Meyer Jun 1927 198 Riverside Saunders Meadow Comment
  UCR5969  Arabis sparsiflora var. arcuata Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above Fuller Mill Creek, 0.5 mi upstream from Banning-Idyllwild Rd. 1677 Comment
  POM354173  Arceuthobium campylopodum M. B. Dunkle 1933-7-21 3735 Riverside Idyllwild. 1616 Comment
  RSA629136  Arctostaphylos Jon E. Keeley 1992-7-16 16574 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629166  Arctostaphylos Jon E. Keeley 1992-7-17 16806 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  UCR122853  Arctostaphylos glandulosa Susanne M. James 1979-1-20 12 Riverside San Jacinto Mtns., 2.5 mi north of Soboba Indian Reservation and 1 mi west of San Bernardino National Forest along Poppet Flat Road Comment
  UCR277893  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42673 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  RSA629438  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16557 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629441  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16554 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629468  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16840 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  UCR124132  Arctostaphylos glandulosa subsp. leucophylla Steve Boyd, D. E. Bramlet 1988-10-8 2869 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  JEPS38730  Arctostaphylos glauca Marjorie D. Clary 1934-4-23 Riverside se Kenworthy; Santa Rosa Mts. 1371 Comment
  POM3409  Arctostaphylos glauca L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  POM367314  Arctostaphylos glauca Anstruther Davidson 1892-05 1765 Riverside Banning. Comment
  RSA631759  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15065 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA387365  Arctostaphylos glauca var. glauca Steve Boyd 1986-4-19 1704 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA633537  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22670 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633567  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20142 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633716  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20126 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC434238  Arctostaphylos pringlei Tracy Tennant; Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  NY43173  Arctostaphylos pringlei subsp. drupacea J. B. Walker 1995-5-3 1409 Riverside San Bernardino National Forest, S of Pinyon Flat Campground, at terminus of USFS Rd 1900 Comment
  RSA635635  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16738 Riverside Morris Ranch Rd. (6S06), 4.2 km east of Hwy 74, Garner Valley, San Jacinto Mtns. 1650 Comment
  UCSB26243  Arctostaphylos pringlei subsp. drupacea Gliessman, Stephen 1968-7-17 Riverside 50 yards south of Little Thomas Mountain Road, 3.7 miles north of junction with Highway 74, Little Thomas Mountain 1584 Comment
  CSUSB1375  Arctostaphylos pringlei var. drupacea Richard G. Sullivan 1972-5-13 7 Riverside San Jacinto Mountains, Idyllwild Comment
  RSA635774  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16584 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  SD229131  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 680 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA636029  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15060 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  RSA667364  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  SD73608  Argemone munita subsp. munita Helen V. Witham 1970-5-1 862 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  CAS-BOT-BC401738  Argemone munita subsp. rotundata Winfield 1975-4-27 2363 Riverside Snow Ck. Rd. ~3 mi from Hiway 111 Comment
  JEPS68439  Aristida adscensionis W. L. Jepson 1928-4-25 12585 a Riverside Cottonwood Spring Colorado Desert, Eagle Mts. 731 Comment
  JOTR31976  Aristida adscensionis La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2212 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA591402  Aristida adscensionis L. C. Wheeler 1931-11-26 373 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UCR144088  Aristida adscensionis Scott D. White 1999-4-20 7275 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR20454  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Riverside, east face of Mt. Rubidoux 366 Comment
  UCR229271  Aristida adscensionis Ginny Short 2011-3-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Canyon Rd., c. 9 miles due east of Cathedral City 183 Comment
  SEINET4342621  Aristida californica N. D. Atwood 1993-3-27 17690 Riverside Sandy benches above and adjacent to coast. Corona Del Mar State Park along Newport coast Drive 30 Comment
  SEINET239055  Aristida divaricata A. C. Sanders, S. D. Boyd; Mitch Provance J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern) 1 mile. NW of Hwy 371 junction to Anza (Butterfl 1441 Comment
  UCR157594  Aristida purpurea A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16181 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  JOTR35421  Aristida purpurea var. longiseta Andre, Jim 2012-4-16 20957 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  RSA0094182  Aristida purpurea var. nealleyi Jim M. Andre 2012-4-11 20698 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
  UCR2163  Aristida purpurea var. parishii F. M. Reed 1927-3-19 5440 Riverside Sonoran (Colorado) Desert, upper fork of Salt Creek Wash [east of the Salton Sea] 549 Comment
  POM10300  Artemisia douglasiana Anonymous 1904-9-9 s.n. Riverside Near West Riverside Bridge Comment
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Jul 4 2010
  UCR114341  Artemisia douglasiana Mitch Provance, S. D. Boyd 1999-9-14 1783 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  JOTR32639  Artemisia dracunculus La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2560 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  OBI17028  Artemisia ludoviciana subsp. albula Lewis S. Rose 1966-12-14 66106 Riverside Chino Cyn, 3 mi W of Palm Springs 671 Comment
  HSC84131  Artemisia ludoviciana subsp. ludoviciana David Charlton 1986-12-26 652 Riverside Coxcomb Range, at E end of Joshua Tree Nat. Monument, northernmost W facing large canyon in the range, just N of Specter Peak 915 Comment
  CAS-BOT-BC90853  Artemisia nova Louis B. Ziegler 1964-8-15 s.n. Riverside on an area of about ten across about one and one-half miles north of Kenworthy Ranger Station, Garner Valley, 1615 Comment
  UCR138603  Artemisia tridentata subsp. tridentata D. L. Banks 1996-11-7 1207 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, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  OBI38404  Asclepias albicans A. C. Sanders, Charlton, Pitzer, Kniffen and Wright 1986-3-10 6250 Riverside Coyote Mtns, 2.15 mi N of Hwy S-2 on a dirt road 1.1 mi SE of the San Diego Co line. 305 Comment
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Jun 30 2018
  PASA1941  Asclepias albicans 4/28 Riverside Hidden Springs Comment
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Aug 27 2016
  UCR279537  Asclepias albicans A. C. Sanders, Jim Malusa 2017-3-27 43125 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
  UCR137701  Asclepias californica D. L. Banks, V. W. Steinmann 1997-3-13 1491 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  POM19648  Asclepias eriocarpa Mary F. Spencer 1923-7-20 2223 Riverside Idyllwild, San Jacinto Mts. 1646 Comment
  RSA561893  Asclepias eriocarpa Steve Boyd 1992-6-10 7636 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  SEINET3081707 Image available Asclepias erosa E. R. Blakley 1961-9-12 4706 Riverside 20 miles west of Blythe at Desert wash crossing of US Highway 60-70. 107 Comment
  RSA90127  Asclepias fascicularis E. K. Balls, P. C. Everett 1953-8-19 18538 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  SD181724  Asclepias fascicularis Scott D. White 2000-8-5 8098 Riverside San Jacinto Mountains: Near Mountain Center, unnamed ephemeral drainage. 1402 Comment
  JOTR35993  Asclepias subulata Harding, Mitzi, Mark Wheeler 2012-9-4 204 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  RSA0011738  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR119439  Aster ascendens A. C. Sanders, Mitch Provance 1999-9-26 23103 Riverside San Jacinto Mountains, Garner Valley, along Hwy 74 east of the upper end of Hemet Lake, SE of Lake Hemet store 1326 Comment
  CLARK-A1528-450  Astragalus aridus Charlotte Stocks 1963-5-19 Riverside Coachella Valley Comment
  RSA0014460  Astragalus aridus Justin M. Wood, J. Miner 2010-4-29 1533 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UC1546948  Astragalus aridus Leila M. Shultz, John S. Shultz 1985-4-15 8243 Riverside along Wiley's well road Chuckawalla Valley depression (Chuckawalla Valley depression) 121 Comment
  JOTR31123  Astragalus bernardinus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2505 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  CAS-BOT-BC177717  Astragalus crotalariae Peter H. Raven 1958-1-25 11484 Riverside Salton Sea State Park, 10.5 miles south of Mecca, on east side of Salton Sea Comment
  SBBG3168  Astragalus crotalariae H. and M. Dearing 1949-12-3 4065 Riverside NE end of Salton Sea Comment
  SEINET898798  Astragalus didymocarpus Carl B. Wolf 1935-1 6301 Riverside Gavilan Hills Region. 2 mi. SW. of Perris. 427 Comment
  RSA779009  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-4-1 643 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  RSA800102  Astragalus didymocarpus var. dispermus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4771 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  CAS-BOT-BC182632  Astragalus didymocarpus var. obispoensis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside Pasture 1 mi. West of San Jacinto Comment
  RSA775122  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5025 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
  UC56443  Astragalus douglasii var. parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside Valle Vista San Jacinto Valley, Valle Vista (S. Jacinto Valley) 548 Comment
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Mar 27 2011
  UC862682  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside e Keen Camp P.O.; e of Keen Camp P.O. 1350 Comment
  RSA776179  Astragalus insularis var. harwoodii Amber Swanson 2011-3-20 244 Riverside On Railroad tracks on Summit Rd near the Bradshaw trail 479 Comment
  RSA719067  Astragalus lentiginosus Michael Honer 2005-3-18 2100 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 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
  UCR182558  Astragalus lentiginosus var. coachellae Linda Archer 2006-5-3 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, SW edge of Desert Hot Springs, east of Morongo Wash 293 Comment
  RSA776840  Astragalus nuttallianus var. austrinus Amber Swanson, Duncan S. Bell 2011-3-18 225 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  RSA415715  Astragalus pachypus var. jaegeri H. M. Hall 1897-4-18 477 Riverside Beaumont Comment
  UCR217502  Astragalus pachypus var. jaegeri Diane Menuz 2008-4-11 419 Riverside Peninsular Range: San Jacinto Mtns, Potrero unit of San Jacinto Wildlife Area; about 600 m west of Potrero Creek and 600 meters east of road 731 Comment
  POM202254  Astragalus pomonensis Marcus E. Jones 1933-4-5 s.n Riverside Hemet. Comment
  RSA192131  Astragalus pomonensis E. W. Lathrop 1964-5-10 5357 Riverside 10 miles west of Murrieta. 610 Comment
  RSA651408  Astragalus pomonensis Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 609 Comment
  RSA482797  Athysanus pusillus Christopher Davidson 1973-4-1 1822 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  RSA552696  Athysanus pusillus Steve Boyd 1992-2-26 6704 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC98815  Atrichoseris platyphylla Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Painted Canyon near Indio Comment
  SFV7922  Atrichoseris platyphylla T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1285 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  POM305642  Atriplex Henry J. Ramsey, Henry J. Ramsey 1937-3-2 857 Riverside Desert center, Mojave Desert Comment
  UCR92310  Atriplex argentea Scott D. White, S. Ogg 1994-10-17 2456 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  JOTR36490  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3340 Riverside Joshua Tree National Park. Pleasant Valley: S of Hexie Mountains, on edge of road in playa 999 Comment
  SD123919  Atriplex canescens subsp. canescens Robert F. Thorne, Kay Wright & Richard Benjamin 1982-10-8 55354 Riverside San Bernardino Mountains; mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges. 409 Comment
  RSA773114  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-10-7 673 Riverside Hwy 177. N of Desert Lily Sanctuary. Palen Valley. 274 Comment
  SD240965  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  UC206814  Atriplex coronata G. R. Vasey 1880-1 549 Riverside San Jacinto Valley Comment
  RSA520931  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2060 Riverside In uncultivated portion of an agricultural field, some 1760 m. W of Nuevo, approximately 260 m. northeast of the intersection of Nuevo Rd. & Pico Ave. 473 Comment
  SD134476  Atriplex coronata var. notatior Craig Reiser 1991-4-30 Riverside East of Pico near Lake Perris, south of Ramona Expressway (see map) Comment
  UC1765895  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside Flood plain SE of Bernasconi Hills. 432 Comment
  UCR189561  Atriplex coronata var. notatior Theresa Johnson 2007-5-9 341 Riverside Peninsular Range, San Jacinto Wildlife Area; c. 500 m west of Davis Road, southwest of riparian area Comment
  CAS-BOT-BC170254  Atriplex hymenelytra G. P. Rixford 1911-4-1 s.n. Riverside 10 miles SE of Mecca Comment
  POM182561  Atriplex lentiformis J. B. Feudge 1930-9-25 2064 Riverside Blythe Comment
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Nov 8 2011
  RSA478278  Atriplex lentiformis Jack Rempel 1932-11-11 16115 Riverside Dos Palmos Springs, Colorado Desert Comment
  SD48525  Atriplex lentiformis E. K. Balls, P. C. Everett 1957-11-5 22758 Riverside South of Thermal, State Highway 111. 29 Comment
  UCR49995  Atriplex lentiformis Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  POM279028  Atriplex polycarpa Grant D. Brown 1949-12-15 479 Riverside 3 miles south of Mecca on highway 111 Comment
  RSA478375  Atriplex polycarpa Allen 1920-10 s.n. Riverside Palm Springs. Comment
  RSA735942  Atriplex serenana var. serenana Scott D. White, Justin Wood 2008-6-13 12105 Riverside San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR144155  Atriplex suberecta Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  UCR97902  Avena barbata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19841 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR158254  Avena fatua A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30114 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA600393  Avena sativa V. W. Steinmann 1996-4-13 829 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  POM12202  Azolla filiculoides Philip A. Munz 1922-4-29 5095 Riverside Dripping Springs, near Temecula Creek 518 Comment
  CAS-BOT-BC98783  Baccharis brachyphylla Carl B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mi. below the San Bernardino Co. line. 670 Comment
  UCR25196  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  RSA621887  Baccharis emoryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3004 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  SD9147  Baccharis glutinosa C. R. Orcutt Nov 1883 Riverside Riverside Comment
  POM231959  Baccharis pilularis Noel Wallace 1937-11-15 s.n. Riverside Sheltered place in a canyon on N slope of Box Springs Mts. Comment
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Sep 7 2011
  POM8302  Baccharis salicifolia Philip A. Munz, R. D. Harwood 1920-2-28 3245 Riverside 3 mi SW of Corona. 305 Comment
  SD40814  Baccharis salicifolia Carl B. Wolf 1932-10-11 4174 Riverside Little San Bernardino Mountains, Morongo Wash. 669 Comment
  SBBG63299  Baccharis sarothroides R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  SEINET899324  Baccharis sarothroides C. B. Wolf 1932-1 4298 Riverside Pinyon Wells, Little San Bernandino Mts. (Conchilla Mts.) 1219 Comment
  UCR167328  Baccharis sarothroides Scott D. White, J. Wood 2005-9-27 11231 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  CAS-BOT-BC540849  Baccharis sergiloides Sarah J. De Groot; Duncan S. Bell 2015-9-21 7583 Riverside Santa Rosa Mountains SSW of Palm Desert. Near Potrero Spring near head of Potrero Canyon, W of Dunn Rd, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  IRVC513  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  JOTR29285  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 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
  RSA772839  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4724 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 W116.65121 604 Comment
  RSA93159  Baccharis sergiloides F. W. Peirson 1920-12-28 1295 Riverside Murray Canyon near Palm Springs Comment
  UCR121819  Baccharis sergiloides A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24601 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR20318  Baccharis sergiloides John C. Roos 1949-9-17 4660 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Palm oasis in a side canyon on the E side of Whitewater Wash 612 Comment
  UCR207615  Baccharis sergiloides O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  POM13024  Baileya pauciradiata Philip A. Munz, D. D. Keck 1922-4-14 4965 Riverside Indian Wells 107 Comment
  RSA776905  Baileya pauciradiata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 963 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR110429  Bassia hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23130 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA597464  Bebbia juncea L. C. Wheeler 1959-12-27 7637 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SEINET13276697 Image available Bebbia juncea Mitch Provance 2012-1 712 -06 Riverside Colorado Desert: Thousand Palms Canyon Road, +-2/3 of the way up into the canyon. (Myoma 7.5' Q.) 140 Comment
  UCSB22705  Bebbia juncea McMinn, H. 1935-6-22 Riverside 1 mi. North of Elsinore Comment
  RSA92403  Bebbia juncea F. W. Peirson 1917-4-1 1323 Riverside Palm Springs Comment
  SDSU13510  Bebbia juncea var. aspera W. Miller with C. Mosse 1972-8-9 Riverside 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
  UCR266819  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  POM172733  Bernardia incana M. French Gilman 1930-4-6 9 Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA70433  Bernardia incana F. W. Peirson 1928-4-25 7917 Riverside Cottonwood Spring Region, Northern Colorado Desert. Comment
  RSA736708  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UCR270394  Boechera johnstonii John F. Emmel 2001-4-28 1698 Riverside San Jacinto Mountains, Garner Valley, 0.2 air mile south of trailhead parking area for Ramona Trail 1402 Comment
  CAS-BOT-BC25658  Boechera pulchra Annie M. Alexander; Louise Kellogg 1941-5-19 2201 Riverside Colorado Desert. Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  CAS-BOT-BC434522  Boerhavia diffusa S. B. Parish; W. F. Parish 1881-7-1 590 Riverside Base of San Jacinto Mt. 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
  RSA683913  Boerhavia intermedia Michael Denslow 2003-9-13 1549 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  UC406764  Boerhavia intermedia Marcus E. Jones, A. M. 1929-9-16 24796 Riverside near Desert Center (Hayfields); Hayfields Comment
  UCR248051  Boerhavia triquetra var. intermedia Duncan S. Bell, Aaron Sedgwick 2012-9-13 4199 Riverside Sonoran (Colorado) Desert, Hayfield Lake; eastern section of dry lake, c. 3.75 air mi southeast of Hayfield Pumping Plant 420 Comment
  UCR274420  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside southwestern section of Orocopia Mountains, c. 3.6 air miles north-northeast of Dos Plmas 404 Comment
  RSA0088439  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2011-7-4 17180 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR264614  Bolboschoenus robustus Mitch Provance 2011-6-6 17011 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UC406749  Bouteloua barbata var. barbata Marcus E. Jones, A. M. 1929-9-16 24716 Riverside near Desert Center; Hayfields Comment
  CHSC109259  Bowlesia incana Scott D. White; Justin M. Hood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  UCR155167  Bowlesia incana A. C. Sanders 2005-5-4 29848 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA674966  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA0043066  Brandegea bigelovii Duncan S. Bell, LeRoy Gross 2014-3-20 6266 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA394238  Brandegea bigelovii Christopher Davidson, J. Jones 1980-4-4 9943 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  UCR245073  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2012-10-12 40413 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  UCR41529  Brandegea bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6103 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA0106891  Brassica nigra Daphne K. Christopher, Hannah Stevens 2003-4-4 95 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA776350  Brassica tournefortii Duncan S. Bell 2010-3-20 618 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SDSU2623  Brassica tournefortii D. F. Howe 1949-3-21 Riverside 12 mi. west of Blythe. 122 Comment
  UCR41558  Brassica tournefortii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6014 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
  CLARK-A1528-5509  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  RSA0104483  Brickellia desertorum Duncan S. Bell 2015-9-30 8673 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR25770  Brickellia desertorum John C. Roos 1943-8-17 2709 Riverside Plateau in Reche Canyon Comment
  UCR264241  Brickellia incana A. C. Sanders, Jim Malusa 2015-9-10 41848 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR218077  Brodiaea santarosae Steve Boyd 2010-5-28 12282 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers 1012 Comment
  RSA740234  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12391 Riverside Johnson Meadow. 1439 Comment
  UC69352  Bromus carinatus var. carinatus H. M. Hall 1901-7 2408 Riverside San Jacinto Mountains, Tamarack Valley Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2926 Comment
  RSA263719  Bromus diandrus E. W. Lathrop 1966-3-23 6072 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA561068  Bromus grandis Steve Boyd, Timothy S. Ross, D. E. Bramlet s.n. Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream, adjacent benches, and lower slopes from confluence with Tenaja Canyon. 366 Comment
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Jun 12 2012
  RSA769822  Bromus grandis E. W. Lathrop 1973-6-28 7439 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR147665  Bromus rubens Steve Boyd, Aydee Virgen 2004-4-13 10864 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA495406  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2893 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA613628  Bromus tectorum D. L. Banks, Victor Steinmann 1997-3-13 1489 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
  RSA0019728  Bromus tectorum E. W. Lathrop 1966-5-15 6321 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  RSA405294  Caesalpinia virgata Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. 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
  UCR225584  Calandrinia ciliata A. C. Sanders 2011-3-29 38864 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR41303  Calandrinia ciliata N. M. Fellows, A. C. Sanders 1985-4-9 146 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR35005  Calia secundiflora L. B. Ziegler 1976-8-25 552 Riverside San Jacinto Valley, upper part of valley on slopes below the hills on east side 457 Comment
  RSA667102  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region: between Pedley & Mira Loma, Sims property at NE corner of Limonite Av. & Bain St. 210 Comment
  RSA592423  Callitriche marginata J. C. Roos 1966-3-6 s.n. Riverside Across 395 from March Air Force Base. Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  UCSB9238  Calocedrus decurrens Haller, Norman 1953-5-24 Riverside Fern Valley, base of Devil's Slide Trail, San Jacinto Mtns. Comment
  SEINET10531073  Calocedrus decurrens James S. Miller 1992-5-8 Miller 7469 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  POM158454  Calochortus concolor Philip A. Munz 1927-5-21 10875 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA0120439  Calochortus concolor Duncan S. Bell, LeRoy Gross 2016-5-18 9596 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  RSA79328  Calochortus concolor Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17280 Riverside Highway 74, W of junction with road from Idyllwild. 1067 Comment
  UC3393  Calochortus invenustus H. M. Hall Jul 1901 2475 Riverside Tauquitz Valley San Jacinto Mountains 2712 Comment
  CAS-BOT-BC483414  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside On trail from Tahquitz Valley to San Jacinto Peak, fork of Tahquitz Creek, San Jacinto Mts. 2743 Comment
  CSUSB399  Calochortus splendens I. S. Singh 1972-5-2 Riverside 5.1 miles west of Taneja Road from Murrieta. Comment
  RSA501004  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3122 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA516757  Calochortus splendens Ed LaRue 1989-4-25 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SBBG34221  Calochortus splendens T. L. Secrest 1951-5-20 Riverside 3 mi S of Banning Comment
  UCR167860  Calochortus splendens T. B. Salvato, John F. Green 2004-5-27 651 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 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
  SD71847  Calochortus weedii var. weedii Helen V. Witham 1969-7-2 206 Riverside Near Sandia Creek, on road from De Luz to Murietta 299 Comment
  CAS-BOT-BC282912  Calycoseris wrightii K. Larson 1977-5-12 60062 B Riverside Ford Dry Lake ca 25 miles W Blythe Comment
  POM15169  Calycoseris wrightii Mary F. Spencer 1922-4-10 1955 Riverside Snow Creek prope [near] Palm Springs Comment
  SD38093  Calyptridium monandrum Edith A. Purer 1935-4-21 6477 Riverside Near Palm Springs, Colorado Desert Comment
  SEINET7073439  Calyptridium monandrum A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  SJSU1865  Calyptridium monandrum J. W. Tilden 1957-4-18 1095 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  SBBG37494  Calystegia macrostegia R. N. Muller, S. Lindsey 1967-5-11 Riverside 1.5 mi S on Pigeon Pass Rd from jct with rd to Riverside Co Dump Comment
  UC50356  Calystegia macrostegia H. M. Hall Apr., 1903 3802 Riverside vicinity Riverside; vicinity of Riverside 365 Comment
  RSA18953  Calystegia macrostegia subsp. intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74, along San Jacinto River. Comment
  RSA271855  Calystegia macrostegia subsp. intermedia C. W. Tilforth 1978-4-30 1565 Riverside Low rounded hills east of Norco Comment
  RSA721873  Camissonia J. Mark Porter, Orlando Mistretta 2003-6-5 13605 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  UCR172219  Camissonia bistorta 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
  UCR35220  Camissonia bistorta L. B. Ziegler 1967-2-20 108 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  RSA136656  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11436 Riverside Fargo Canyon, alluvial fan. Comment
  RSA137350  Camissonia californica David Gregory 1958-4-11 2 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  RSA144811  Camissonia californica E. G. Linsley, J. W. MacSwain 1960-3-1 60 -2 Riverside Colorado Desert, Palm Springs, Tamarisk Avenue Comment
  UCR47224  Camissonia californica B. G. Pitzer, L. F. LaPre 1987-3-2 0416 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA75387  Camissonia cardiophylla F. W. Peirson 1930-3-29 8687 Riverside Painted canyon, near Mecca. Comment
  UCR86860  Camissonia cardiophylla A. C. Sanders, K. Rose 1995-4-27 16728 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  HSC101255  Camissonia cardiophylla subsp. cardiophylla Jim Andre 2012-3-19 21391 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA135282  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11752 Riverside Plain near Colorado River, along U.S. Highway 95, 37.5 miles north of Blythe. Comment
  RSA766614  Camissonia claviformis subsp. peirsonii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 174 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  UCR48512  Camissonia graciliflora Steve Boyd 1986-4-2 1637 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR258630  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7895 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA113833  Camissonia pallida subsp. hallii Harlan Lewis 1957-4-5 1682 Riverside Colorado Desert, Morongo Canyon. Comment
  RSA34606  Camissonia pallida subsp. pallida N. C. Cooper 1944-4-23 1157 Riverside Banning. 701 Comment
  SEINET269601  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert: Wash along Eagle Mountain Road N of I-10 near Deset Center. Comment
  RSA789347  Camissonia strigulosa Naomi S. Fraga, Duncan S. Bell 2009-5-6 2706 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  SDSU3404  Camissonia strigulosa H. Wedberg 1958-3-30 192 Riverside On Machado Road, 1.0 mile southwest of Hwy 71, near Elsinore. Roadside in olive grove. Comment
  UC454559  Camissonia strigulosa I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  UCR116465  Camissonia strigulosa A. C. Sanders, T. B. Salvato 2001-3-30 23862 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
  UCR84659  Camissonia strigulosa Scott D. White, S. Ogg 1994-4-21 2007 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UC56468  Camissoniopsis bistorta H. M. Hall April, 1902 2918 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UC20636  Camissoniopsis ignota unknown 1861-2-1 151 Riverside Temescal Mountains Comment
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Jul 4 2010
  JOTR34475  Camissoniopsis pallida Andre, Jim 2012-4-16 20945 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  UC1122273  Camissoniopsis pallida subsp. pallida H. S. Yates 1936-4-7 5429 Riverside near Whitewater; San Jacinto Quadrangle Comment
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Dec 15 2011
  UC668352  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1941-4-22 2059 Riverside top of Morongo Pass Mohave Desert, Morongo Valley Gorge 701 Comment
  UCR166113  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al 1995-3-19 16160 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  UCR166114  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16137 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SD8373  Capsella bursa-pastoris Daniel Cleveland 1882-5-5 Riverside Temecula Plains Comment
  POM289945  Carex alma Lyman Benson 1932-3-26 3165 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
  RSA462420  Carex alma N. C. Cooper 1944-4-8 1049 Riverside Andreas Canyon 305 Comment
  RSA192256  Carex schottii E. W. Lathrop 1966-6-1 6366 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  POM172032  Carex subfusca F. M. Reed 1928-7-15 6133 Riverside Strawberry Valley, San Jacinto Mountains. Comment
  RSA544296  Castilleja affinis Steve D. Boyd, Tim S. Ross 1991-6-14 6351 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR201407  Castilleja applegatei subsp. martini Justin M. Wood, Brandy N. Ulrich 2008-7-14 20 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  JEPS13641  Castilleja applegatei subsp. martinii Peter Kamb 1948-7-3 1145 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA448695  Castilleja applegatei subsp. martinii N. C. Cooper 1945-5-24 1624 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  RSA741067  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12075 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA33496  Castilleja foliolosa N. C. Cooper 1944-5-6 1183 Riverside Banning. 701 Comment
  UCR102934  Castilleja foliolosa George K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  RSA305818  Castilleja linariifolia James R. Shevock 1971-5-8 1042 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  UCR133711  Castilleja martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mtns., [road to Idyllwild] above Banning 1372 Comment
  LA209249  Castilleja miniata Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  RSA0010910  Castilleja minor subsp. spiralis Philip A. Munz 1938-8-14 15343 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCR193267  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35618 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
  CDA6525  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region; Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. Comment
  UCD166236  Caulanthus Jack Major 1962-4-16 774 -b Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  JOTR37755  Caulanthus cooperi Hodges, Stephen R. 2016-2-29 712 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  RSA248730  Caulanthus cooperi Christopher Davidson 1973-4-19 1993 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA531135  Caulanthus hallii M. B. Dunkle 1937-3-25 4942 Riverside Colorado Desert. Shaver s Well Comment
  UCR60777  Caulanthus heterophyllus Steve Boyd 1986-3-1 1364 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  SD247618  Caulanthus simulans Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest: near Main Divide Road approx. 2 km southeast of Ortega Highway. 843 Comment
  UCR265570  Caulanthus simulans Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 9 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA0026296  Caulanthus simulans John F. Emmel 1991-4-28 1166 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
  RSA16507  Ceanothus crassifolius Percy C. Everett 1935-6-17 7151 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA343087  Ceanothus crassifolius Robert F. Thorne, Walter Wisura, E. W. Lathrop 1985-5-18 60628 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA606766  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27353 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UC1071022  Ceanothus crassifolius A. Lewis 1934-5-1 444 Riverside Ortega Hwy Elsinore quad, Cleveland Nat. For. 762 Comment
  SEINET13945817 Image available Ceanothus cuneatus S. Lambert 1981-1 1937 Riverside San Bernadino Natl. Forest, 14.45 mi. E of Hemet, SW slope 1219 Comment
  CAS-BOT-BC83811  Ceanothus cuneatus var. cuneatus D. O. Burge 2008-4-27 982 b Riverside Tucalota Creek watershed, roadside on Sage Road (County Road R3) 730 Comment
  RSA77146  Ceanothus greggii var. perplexans F. W. Peirson 1918-03 728 Riverside Jack Rabbit Grade, from Moreno to Beaumont Comment
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Mar 20 2011
  UC1070694  Ceanothus greggii var. perplexans A. Lewis Jul 1932 128 Riverside White-water Canyon 822 Comment
  RSA399847  Ceanothus greggii var. vestitus M. B. Dunkle 1934-2-25 3852 Riverside Dry Morongo, Colorado Desert. 244 Comment
  HSC94288  Ceanothus leucodermis D. Atwood 1993-3-26 17680 Riverside Santa Ana Mtns., 4.8 mi. S of Lake Elsinore along Hwy. 74 808 Comment
  RSA606736  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27416 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
  RSA0019593  Ceanothus palmeri Keith E. Hoffmaster 1937-6-6 776 Riverside San Jacinto Mountains. Comment
  RSA0022328  Ceanothus perplexans A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24949 Riverside The Badland: hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR115378  Ceanothus tomentosus June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  RSA495804  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2913 Riverside Southwest end of Oak Mountain northwest of Vail Lake. T8S, R1W NE corner sec. 5. 549 Comment
  UCR241220  Ceanothus vestitus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1012 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
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Jul 20 2015
  UCR224856  Cenchrus ciliaris Chris McDonald 2010-6-8 s.n. Riverside Sonoran (Colorado) Desert, Indio, on Indio Blvd. 0.14 km east of Burr St. on south side of street, between Burr and Madison streets 12 Comment
  CDA7294  Centaurea X pouzinii F. J. Willmarth 1961-10-18 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA771880  Centaurium venustum Steve Boyd 2010-5-28 12286 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  UC729471  Centaurium venustum Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  CAS-BOT-BC354343  Centromadia pungens subsp. pungens R. E. Riefner, Jr. 2012-7-23 12 -321 Riverside City of Hemet, ca 100 yds N of W. Devonshire Ave. and Meyers St. 473 Comment
  UCR265602  Cerastium glomeratum Jordan Zylstra 2014-3-18 14003 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA395888  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Gavalin Hills-Gavalin Hills: Harford Springs Co. Park. Comment
  RSA191420  Cercocarpus betuloides E. W. Lathrop, Robert F. Thorne 1967-9-26 6608 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA19719  Cercocarpus betuloides I. W. Clokey, E. G. Anderson 1935-4-16 6732 Riverside East of Hemet 600 Comment
  CAS-BOT-BC147688  Cercocarpus betuloides var. betuloides Lathrop; Thorne 1967-9-26 6597 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Stat. 609 Comment
  RSA673499  Cercocarpus minutiflorus Scott D. White, Sandra Leatherman 2000-4-19 7665 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  SBBG99385  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR167261  Chaenactis carphoclinia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CDA7363  Chaenactis carphoclinia var. attenuata A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  JOTR30662  Chaenactis carphoclinia var. carphoclinia Andre, Jim, Tasha La Doux 2008-3-21 8839 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  SBBG7873  Chaenactis fremontii C. H. Muller 1952-4-6 9510 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  SBBG7876  Chaenactis fremontii C. H. Muller 1952-4-5 9496 Riverside White Water Cyn, ca. 1 mi above White Water Comment
  SBBG89088  Chaenactis fremontii D. Charlton 1988-2-25 1225 Riverside Dillon Rd and 1000 Palms Oasis Rd jct, parallel to Interstate 10, ca. 5 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UCR4208  Chaenactis fremontii J. R. Sweeten 1965-5-15 21 Riverside San Bernardino Mtns., Whitewater Canyon, Whitewater Cyn Rd. about 4 miles from Hwy 60 Comment
  UCR682  Chaenactis fremontii S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  UCR213851  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR262227  Chaenactis glabriuscula T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3706 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
  JEPS19504  Chaenactis glabriuscula var. glabriuscula Peter H. Raven with R. Snow 1957-7-26 11105 Riverside meadow just below Vista Grande Ranger Station (Banning to Idyllwild road); San Jacinto Mountains Comment
  CAS-BOT-BC284590  Chaenactis glabriuscula var. lanosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  SEINET5763241 Image available Chaenactis glabriuscula var. lanosa Norman C. Cooper 1944-4-21 1109 Riverside Banning. Comment
  UC219589  Chaenactis glabriuscula var. lanosa P. A. Munz 1922-6-23 5780 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  CDA10731  Chaenactis stevioides G. D. Barbe, T. C. Fuller 1973-2-28 1065 Riverside South of I-10 at road to Wiley s Well, west of Blythe. 0 Comment
  UCR20633  Chaetopappa aurea W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, 2 mi. west of Idyllwild 1494 Comment
  RSA232907  Chamaesyce L. S. Rose 1967-12-20 67186 Riverside 5 mi. N of Thousand Palms oasis. 0 Comment
  SBBG29402  Chamaesyce abramsiana D. Myrick 1968-3-5 1813 Riverside Country Club Rd, E of Palm Desert 60 Comment
  JOTR16672  Chamaesyce albomarginata Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS 1280 Comment
  SEINET3089523 Image available Chamaesyce maculata Marvin Nakashima 1971-5-22 Riverside Gage canal and an abandoned orchard overlooking Riverside Freeway at University Ave. 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
  RSA316541  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
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Apr 5 2011
  SEINET4358093 Image available Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  SBBG118575  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside near cynyn E of Painted Cyn Comment
  JEPS52381  Chamaesyce polycarpa Mary Beal 1939-10-25 708 Riverside Mojave Desert, Palm Springs area Comment
  RSA0040027  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-4-2 6501 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0099441  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-10-29 7697 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA775100  Chamaesyce polycarpa Duncan S. Bell, Michael Hee 2011-3-18 2053 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA779800  Chamaesyce polycarpa Duncan S. Bell 2009-3-8 98 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SJSU4459  Chamaesyce polycarpa G. B. Youngberg 1956-3-27 179 Riverside hills near La Sierra College, Arlington 300 Comment
  UC1547000  Chamaesyce polycarpa Leila M. Shultz and John S. Shultz 1985-4-17 8316 Riverside southern extension of the Big Maria Mtns Comment
  RSA432470  Chamaesyce polycarpa var. hirtella Christopher Davidson 1973-4-1 1837 Riverside Palm Springs. 488 Comment
  POM8325  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  RSA559343  Chamaesyce serpillifolia Steve Boyd, T. S. Ross 1992-5-15 7399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA432499B  Chamaesyce setiloba M. French Gilman 1940-1-22 4030 Riverside Smoketree Canyon. 305 Comment
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Sep 29 2011
  RSA0000022  Cheilanthes X fibrillosa S. B. Parish 1882-06 s.n. Riverside Oak Cliff, San Jacinto Canyon Comment
  RSA0093765  Cheilanthes covillei Duncan S. Bell 2015-9-30 8690 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA125966  Cheilanthes covillei E. K. Balls, Percy C. Everett 1957-11-4 22752 Riverside Snow Creek, about Old Fish Hatchery, N base San Jacinto Mtns. 701 Comment
  RSA675698  Cheilanthes covillei Scott D. White 2001-5-1 8437 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  SFV13136  Cheilanthes covillei M. J. Thor 1982-9-17 147 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  RSA718776  Cheilanthes parryi Michael Honer, L. Hulse 2004-4-3 1925 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  UC669240  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1875 Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  RSA0047238  Cheilanthes parryi Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mountains. 671 Comment
  CDA23353  Chenopodium album Magally 2007-12-1 PDR# 1377324 Riverside Thermal, S-E Jacson & 58th Ave 0 Comment
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May 21 2016
  UCR110396  Chenopodium berlandieri A. C. Sanders, Mitch Provance 1999-9-26 23076 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR114616  Chenopodium berlandieri var. zschackei Mitch Provance 2000-9-1 2223 B Riverside Juupa Mtns., Belltown/Rubidoux area, along the RR tracks on the E side of Rubidoux Blvd at the SW side of Crestmore Hill (Riverside Cement Company). 274 Comment
  UCR92339  Chenopodium botrys Scott D. White 1995-7-7 3444 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA614160  Chenopodium californicum D. L. Banks 1997-2-23 1317 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
  UCR281470  Chenopodium californicum Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 99 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  UCR157948  Chenopodium desiccatum T. B. Salvato, A. C. Sanders 2005-5-17 919 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
  CDA3069  Chenopodium murale T. C. Fuller 1962-4-4 7994 Riverside Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  CAS-BOT-BC231791  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-26 s.n. Riverside Lost Palms Canyon, Eagle Mts. 762 Comment
  SEINET9355101  Chilopsis linearis Unknown 1953-6-22 Riverside Between Palm Springs and Banning. Comment
  CHSC132  Chilopsis linearis subsp. arcuata V. Holt 1954-4-16 Riverside Painted Canyon n. of Salton Sea -30 Comment
  RSA69269  Chimaphila menziesii F. W. Peirson 1924-7-27 4986 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  SEINET3004919  Chloracantha spinosa G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10337 Riverside Canal two miles north of Blythe. 70 Comment
  POM257340  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
  RSA674936  Chlorogalum pomeridianum Scott D. White 2000-5-30 7968 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El centro Rd jtn. Adv to new housing construction. Alluvial terrances with steep, incised channels. 335 Comment
  CAS-BOT-BC191708  Chorizanthe brevicornu var. brevicornu L. R. Abrams 1926-3-26 11016 Riverside Palm Springs Comment
  RSA772060  Chorizanthe brevicornu var. brevicornu Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4626 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD73617  Chorizanthe brevicornu var. brevicornu Helen V. Witham 1970-4-29 828 Riverside sandy flat; 24.3 miles east of Lake Hemet, Hwy 74 395 Comment
  UCR30088  Chorizanthe brevicornu var. brevicornu George K. Helmkamp 1983-4-5 483 26 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA715070  Chorizanthe coriacea A. C. Sanders, D. Malueg 2003-5-8 26576 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UCR59536  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3237 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  JEPS57635  Chorizanthe corrugata E. E. Schellenger May 1920 Riverside near Mecca (Hayfields, Colorado Desert); Colorado Desert, Hayfields Comment
  SBBG1404  Chorizanthe corrugata H. and M. Dearing 1940-1-1 4071 Riverside below Painted Cyn near Mecca Comment
  UC161901  Chorizanthe corrugata T. S. Brandegee Riverside Colorado Desert Comment
  CAS-BOT-BC191347  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just S of Interstate 15 Comment
  RSA688849  Chorizanthe parryi Scott D. White, Michael Honer 2003-5-13 9252 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  RSA537268  Chorizanthe parryi var. parryi D. E. Bramlet 1991-5-3 2115 Riverside On a samll ridge of a steep canyon between Diamond and Crown Valleys, some 1100 m. S of Diamond Valley. The population is found on a S-tending ridge 76 m. N of a blue line stream and some 300 m. W of the existing Rawson Road. 177 Comment
  SD134409  Chorizanthe parryi var. parryi Craig Reiser 1991-4-25 Riverside Just S of Harford County Park and Idaleona Road Comment
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Jul 11 2010
  UCR267171  Chorizanthe parryi var. parryi D. E. Bramlet 1998-6-10 2635 Riverside North Domenigoni Hills, c. 3-8 km ESE of Winchester 625 Comment
  UCR87624  Chorizanthe parryi var. parryi A. C. Sanders 1994-5-30 14609 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UC2029939  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. Comment
  UCR123226  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-15 2328 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 274 m north of Cajalco Road, 1.2 km west of the entrance gate and 213 m south of the access road 439 Comment
  UC494675  Chorizanthe rigida Philip A. Munz 1932-3-14 11998 Riverside edge of wash Deep Canyon (Coachella Valley); , Deep Canyon 91 Comment
  RSA263673  Chorizanthe staticoides E. W. Lathrop 1968-6-2 6955 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  SD136786  Chorizanthe staticoides Steve Boyd 1993-5-13 7377 Riverside San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confuence with Los Alamos Canyon upstream approx. 1 mile, deep pools present in lower 1/3 mile of Wildhorse Canyon 410 Comment
  POM265700  Chorizanthe uniaristata J. C. Roos 1937-4-23 1807 Riverside At Whitewater. Comment
  RSA314670  Chorizanthe xanti var. leucotheca Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55494 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA6112  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  SD28075  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside No. base of San Jacinto Mts. Snow Creek Canyon., 1 mi. below fish hatchery 395 Comment
  UCR127577  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3451 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 2104m south of Cabazon, 457m north of the Colorado aqueduct 535 Comment
  CAS-BOT-BC36263  Chrysolepis sempervirens Louis C. Wheeler 1931-10-3 239 Riverside 1/2 mi. NE Tahquitz Peak, San Jacinto Mts. 2590 Comment
  POM48353  Chrysolepis sempervirens P. A. Munz, I. M. Johnston 1924-7-27 8789 Riverside Dark Canyon, just below Deer Springs, San Jacinto Mts. 2439 Comment
  UCR34882  Chrysothamnus nauseosus L. B. Ziegler 1977-10-24 576 Riverside San Jacinto Mtns., Black Mtn. Campground 2287 Comment
  POM40227  Chrysothamnus paniculatus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SEINET3146291  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert; Whitewater Wash, 3 mi SE Palm Springs Station 305 Comment
  SEINET11860603  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert, Whitewater Wash, 3 mi SE of Palm Springs Station 305 Comment
  UCR269847  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42375 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB4394  Chylismia brevipes Long, Frances 1939-12-31 Riverside Salton Sea Comment
  UC873886  Chylismia brevipes subsp. brevipes Ira L. Wiggins 1937-3-9 8756 Riverside wash 5 mi w Shaver's Well Comment
  OBI23317  Chylismia claviformis Robert F. Hoover 1969-4-14 11233 Riverside Palm Springs, just S of S city limit Comment
  UCSB4426  Chylismia claviformis Long, Frances 1939-12-31 Riverside -5 Palm Springs Comment
  CAS-BOT-BC160618  Chylismia claviformis subsp. aurantiaca Alice Eastwood 1913-4-30 2983 Riverside Palm Springs Comment
  CAS-BOT-BC287960  Cirsium occidentale var. californicum John Thomas Howell 1952-10-24 28862 Riverside San Timeteo Canyon Comment
  CAS-BOT-BC285633  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside Vicinity of Riverside. Santa Ana River bottom 213 Comment
  CAS-BOT-BC438668  Cistanthe ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon [Canyon] Comment
  POM307245  Cistanthe monandra Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2103 Riverside Santa Rosa Mountains. Comment
  POM46849  Cistanthe monandra H. M. Hall 1904-5-19 4944 Riverside Fairmont Park. Comment
  CAS-BOT-BC114814  Cladium californicum Annie M. Alexander; Louise Kellogg 1941-5-17 2191 Riverside Old pond near Dos Palmas. Comment
  CLARK-A1528-642  Clarkia deflexa C. M. Flanagan 1973-5-31 OO 601 Riverside Morongo Indian Reservation 914 Comment
  UCR177939  Clarkia dudleyana Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 529 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CAS-BOT-BC163864  Clarkia purpurea subsp. quadrivulnera E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore 350 Comment
  SEINET6944613  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  UCSB4304  Clarkia rhomboidea Kamb, Peter 1948-7-4 Riverside Hall Cyn; San Jacinto Mtns 1645 Comment
  RSA527852  Clarkia similis Scott D. White 1991-5-13 91 -87 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA735848  Claytonia parviflora subsp. parviflora Scott D. White, Justin Wood 2008-3-25 11780 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  JOTR35134  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  RSA221081  Clematis lasiantha E. W. Lathrop 1966-4-28 6220 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. 610 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
  UCR5925  Clematis lasiantha K. T. Seng 1966-4-13 660413- 9 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 Comment
  UCSB10606  Clematis pauciflora Gill, Robert 1960-3-23 Riverside San Jacinto Mt. Range; Snow Cayon; near end of road 563 Comment
  RSA374496  Cleome isomeris A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. City of Riverside. 427 Comment
  RSA440816  Cleome isomeris N. C. Cooper 1944-4-23 1117 Riverside Cabazon 457 Comment
  RSA49191  Cleome isomeris P. A. Munz 1949-4-13 13042 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  JOTR35465  Coleogyne ramosissima Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 68 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR80821  Collinsia concolor Scott D. White 1993-5-29 1477 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  CLARK-A1528-849  Collinsia heterophylla F. Zaebst 1959-4-29 Riverside Temecula Comment
  POM4203  Collinsia heterophylla Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA543957  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1991-5-9 6188 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR132612  Collinsia heterophylla Kent Beaman 1983-4-24 03 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR41565  Condalia globosa var. pubescens A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mtns, 9 miles south of Hwy I-10 on the Gasline Road, 2 mi. airline south of the Model Mine 579 Comment
  RSA0106274  Convolvulus arvensis Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR35148  Convolvulus arvensis L. B. Ziegler 1977-6-6 567 Riverside San Jacinto Valley 473 Comment
  UCR103480  Convolvulus simulans D. E. Bramlet 1993-4-3 2308 Riverside South Cajalco Bend, c. 61m south of Cajalco Road, at location 3.2 km east of intersection of Cajalco Road and La Sierra Ave., c. 152m east of intersection with old Monument Peak access road 439 Comment
  RSA575928  Conyza bonariensis Steve Boyd, Darin L. Banks 1994-9-29 8368 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR242667  Cordylanthus nevinii A. C. Sanders 2013-7-6 40848 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  UCR164284  Cordylanthus rigidus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  POM15182  Coreopsis californica Mary F. Spencer 1922-4-10 653 Riverside Snow Creek prope [near] Palm Springs Comment
  RSA6034  Corethrogyne filaginifolia C. B. Wolf 1932-8-4 3919 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  SFV13133  Corethrogyne filaginifolia M. J. Thor 1982-9-16 118 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UC63361  Corethrogyne filaginifolia E. A. Zumbro 1902-10-1 363 Riverside Riverside Comment
  SDSU4694  Corethrogyne filaginifolia var. filaginifolia James C. Dice, J. D. Tenhumen 1987-9-9 723 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northwest 1/4 of northwest 1/4 of section 35. 378 Comment
  CDA19738  Corethrogyne filaginifolia var. virgata H. R. Leach 1958-9-12 s.n. Riverside Southern California; River Valley. 0 Comment
  RSA526177  Cotula australis Steve Boyd, Timothy S. Ross 1990-5-11 4679 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
  UCR139159  Crassula connata 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 1128 Comment
  CLARK-A1528-4992  Crossosoma bigelovii John C. Roos 1948-4-24 3803 Riverside Whitewater 609 Comment
  POM48342  Crossosoma bigelovii E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  LA28882  Croton californicus P. J. Remple; 1942-3-3 Riverside Garnet Springs near Palm Springs Comment
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Mar 13 2014
  SD137786  Croton californicus Darin L. Banks, Steve Boyd 1995-5-3 275 Riverside Agua Tibia Mountains Watershed; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 515 Comment
  SDSU13473  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, on north bank of Santa Margarita River at aqueduct crosing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 250 Comment
  SEINET3089965 Image available Croton californicus H. S. Gentry 1954-1 14246 Riverside NW of Aguanga along road to Sage. Comment
  UCR131532  Croton californicus Jennie Phui 1998-5-30 021 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  UCR237489  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Mojave Desert, Coachella Valey area, Edom Hill, along Edom Hill Road near dump, 0.6 road mi from junction with Varner Road 259 Comment
  UCR154604  Croton setiger A. C. Sanders, Mike Misenhelter 2005-6-15 30998 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
  RSA339316  Cryptantha angustifolia R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54028 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA4903  Cryptantha angustifolia C. B. Wolf 1932-4-27 3019 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA791601  Cryptantha angustifolia D. Silverman 2010-3-23 7820 Riverside Chuckawalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well. 128 Comment
  SBBG100804  Cryptantha angustifolia W. L. Halvorson 1977-2-5 77 -4 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR279376  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-24 42962 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SEINET10906612  Cryptantha angustifolia David B. Dunn, Howard Brown 1947-1-12 Dunn 2833 Riverside On same sheet as Dunn 3684, UMO 69397. Pushawalla Cnayon, Indio Hills. In dry wash. Comment
  RSA136586  Cryptantha barbigera var. barbigera P. H. Raven 1960-5-6 12928 Riverside Along State Hwy 74, 15.6 miles SW of Palm Desert, San Jacinto Mtns. 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
  RSA357780  Cryptantha circumscissa R. F. Thorne, M. Z. Thorne 1973-3-30 42667 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SBBG63826  Cryptantha dumetorum M. N. Ackley 1928-3-10 46 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SEINET10906620  Cryptantha flaccida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2911 Riverside On same sheet as Dunn 2068, UMO 162037. Dry hillside by quadrat 4. Pushawalla Canyon biota. Indio Hills. Nutlets smooth, shining, 1.4 mm long. Comment
  OBI45217  Cryptantha intermedia D. Hawkes 1987-5-16 s.n. Riverside S of Anza, Terwilliger Valley, Terwilliger Rd, 0.9 mi S of intersection with Wellman rd 1189 Comment
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Dec 4 2014
  RSA287662  Cryptantha intermedia Lyman Benson 1932-3-26 3177 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA683853  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-4 8959 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA778140  Cryptantha intermedia J. Andre 2011-2-2 16213 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SEINET7073314  Cryptantha intermedia A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  SEINET7073407  Cryptantha intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR113227  Cryptantha intermedia A. C. Sanders 1998-1-15 21635 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  RSA0062497  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  HSC87254  Cryptantha maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2179 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  POM147640  Cryptantha maritima F. M. Reed 1927-3-19 5434 Riverside Dos Palmas Springs north of Salton Sea Comment
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Apr 6 2011
  RSA0033751  Cryptantha maritima Jim Andre 2013-3-27 24831 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  UCR112400  Cryptantha maritima A. C. Sanders, T. B. Salvato 2000-5-16 23392 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  RSA499656  Cryptantha micrantha M. B. Dunkle 1933-4-1 3269 Riverside Dry Morongo, Riverside County Comment
  RSA728603  Cryptantha micrantha Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1893 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  UC24830  Cryptantha micrantha H. M. Hall May 1901 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  VVC1938  Cryptantha micrantha var. lepida Tim Thomas, C. Sanders 2008-6-24 4533 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  SDSU21766  Cryptantha micrantha var. micrantha R. F. Thorne 1995-3-29 63025 Riverside Transverse Ranges; San Bernardino Mountains region: White Water Canyon. 600 Comment
  RSA797509  Cryptantha microstachys C. P. Cowan 1978-4-25 1272 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  SD247355  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside San Jacinto Mountains: Coldwater Creek watershed, ca. 1.25 miles ENE of Mountain Center, nameless tributary to Coldwater Creek, north of Johnson Meadow, above mapped spring. 1524 Comment
  UCR133655  Cryptantha microstachys Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR213616  Cryptantha microstachys A. C. Sanders, Matthew Malle 2010-4-23 38010 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR266468  Cryptantha microstachys Mitch Provance, Robin Kinmont 2015-3-27 315- 55 Riverside Perris-Aguanga Basin Region, Murrieta Hot Springs, Leon Rd. (unmarked dirt portion) on unnamed hill c. 0.5 miles W of Skunk Hollow, vicinity of W terminus of Promontory Parkway. 430 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
  UCR167799  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  POM118684  Cryptantha nevadensis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR267893  Cryptantha nevadensis var. nevadensis Jim Andre 2013-3-4 23858 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA0079289  Cryptantha pterocarya var. pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA0043033  Cryptantha racemosa Duncan S. Bell, Evan Meyer 2014-4-3 6534 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  RSA27050  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA97125  Cryptantha racemosa H. K. Buechner 1955-5-29 C- 79 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  UC667346  Cryptantha utahensis Annie M. Alexander and Louise Kellogg 1941-5-7 2136 Riverside Split Rock, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  UCR21519  Cucurbita foetidissima Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA719238  Cucurbita palmata Michael Honer, L. Hulse 2004-4-3 1914 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  POM188621  Cuscuta ceanothi L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UCR201868  Cycloloma atriplicifolium Justin M. Wood 2008-9-30 178 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  SEINET5624451 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .7 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET5624452 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  SEINET5624453 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .4 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET5624483 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-4-10 17536 .1 Riverside North side of Chuckwalla Mountains, 1.7km NNE of Chuckwalla Spring, 57km west of Blythe, Chuckwalla Spring 7.5' USGS topographic quadrangle 498 Comment
  SD229117  Cylindropuntia ganderi Dick Schwenkmeyer 2012-10-16 852 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR63622  Cymbalaria muralis B. G. Pitzer 1990-8-5 1478 Riverside University of California / Riverside Botanic Garden, near the border between grid cells F-6 and G-6. Growing out of cracks of granite on the SE side of the trail, about 50 ft west of the main trail up Alder Canyon 396 Comment
  HSC86936  Cyperus eragrostis S. J. Myers 1987-10-27 Riverside 3 mi. W of Temecula, NE portion of Santa Rosa plateau, 3/4 mi. E of Walker Basin Comment
  UCR59804  Cyperus eragrostis Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Marsh near SW edge of Vail Lake Comment
  UCR272474  Cyperus esculentus Mitch Provance 2012-7-25 712- 01 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  SD148283  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino/ upper Santa Ana River region; Box Springs Mountains foothills, Box Springs Canyon above Sheriff's Academy, north of Central Avenue. 366 Comment
  UCR272473  Cyperus laevigatus Mitch Provance 2012-8-1 712- 03 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  CDA38903  Cyperus odoratus T. C. Fuller 1961-10-18 7161 Riverside Santa Ana River Canyon at Green River Golf Course, Highway 91. 0 Comment
  UCR77750  Cyperus odoratus Steve Boyd 1991-7-13 6409 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
  RSA797251  Cystopteris fragilis R. F. Thorne, Walter Wisura 1977-9-17 50789 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UC811748  Cystopteris fragilis P. A. Munz 1922-7-6 6041 Riverside San Jacinto Peak at summit San Jacinto Peak 3285 Comment
  UCR235348  Dalea Kai T. Palenscar 2010-7-22 s.n. Riverside Riverside, UCR Agricultural Operations fields, near office off M.L. King Blvd., along main E-W road beside canal 311 Comment
  POM13346  Dalea mollis E. C. Jaeger s.n Riverside Martinez Canyon wash Comment
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Aug 29 2016
  RSA0106713  Dalea mollis Duncan S. Bell 2011-9-30 2943 A Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA708494  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land northeast of the I-10 Freeway interchange at Jefferson. 12 Comment
  SBBG68019  Dalea mollis unknown 1893-1 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  RSA480074  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR5569  Dalea mollissima O. F. Clarke 1966-10-5 661005- 12 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  CAS-BOT-BC283042  Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi. below Cottonwood Spring, Joshua Tree Nat. Monument Comment
  UCD65767  Dasyochloa pulchella H. Clemons 1952-1-1 Riverside Idyllwild. Comment
  POM12730  Datisca glomerata P. A. Munz 1922-7-1 5932 Riverside Santa Rosa Mts: Old Nicholas Canyon. 1432 Comment
  SEINET7048217  Datisca glomerata Steven R. Hill, Andrew C. Sanders 2001-5-4 33730 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters), Fallbrook 7.5' quad. Elevation 1140-1180 feet. 359 Comment
  CSUSB774  Datura meteloides Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  CLARK-A1528-7776  Daucus pusillus John C. Roos 1937-5-2 1399 Riverside La Sierra Comment
  VVC5  Daucus pusillus A. C. Sanders, J. Mac 1997-5-4 20684 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  SDSU4604  Deinandra fasciculata Charles F. Phleger 1962-5-23 Riverside 25 miles north of Escondido. Comment
  UC63237  Deinandra kelloggii H. M. Hall Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  CDA7818  Deinandra mohavensis K. Esau 1935-6-15 Riverside Hemet Valley. 0 Comment
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Dec 14 2011
  CAS-BOT-BC414250  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -305 Riverside City of Riverside, Moreno Valley, Box Springs Blvd. ca. 0.3 mi N of Eastridge Ave., W of 215-Freeway 482 Comment
  UCD131168  Deinandra paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  UCR256518  Deinandra paniculata R. E. Riefner Jr. 2013-4-21 13- 68 Riverside City of Riverside, Moreno Valley, west of Box Springs Mountains, east of 215 Fwy, general vicinity of Morton Ave. and Box Springs Ave. 482 Comment
  UC9213  Delphinium H. M. Hall June 1901 2161 Riverside e base of mts along borders of Colorado Desert; San Jacinto Mountains Comment
  UC111321  Delphinium parishii subsp. parishii S. B. Parish 1907-4-18 6074 Riverside w edge Colorado Desert; Palm Springs 200 Comment
  RSA343878  Delphinium parryi Robert F. Thorne 1985-5-18 60668 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UCR158709  Delphinium parryi A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30008 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
  UC310788  Delphinium parryi subsp. maritimum Edmund C. Jaeger 1926-5-1 Riverside Joseph Canyon Santa Ana Mts. Comment
  CAS-BOT-BC121422  Delphinium parryi subsp. parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15. Comment
  RSA700102  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center fot Natural Lands Management. Section 33 of two that comprise mitigation bank. (Section 27 and 33). Accessed from Wilson Valley Road. Comment
  UC9162  Delphinium parryi subsp. parryi H. M. Hall June 1901 2171 Riverside In the Meadows of Thomas Valley 1371 Comment
  UCR149979  Delphinium parryi subsp. parryi Scott D. White, Angelia Carey 2004-5-7 10324 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA0018961  Delphinium parryi subsp. parryi Robert L. Rutherford 1944-6-17 1431 Riverside San Jacinto Mtns. West side. 1524 Comment
  SDSU800  Dendromecon rigida A. H. Gallup 1948-6-12 197 Riverside San Jacinto Mountain range. 914 Comment
  UCR201675  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA697471  Descurainia pinnata Mary Edmunds 1932-3-26 s.n. Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  SEINET269274  Descurainia pinnata Bern Schwen 1994-4-17 Riverside Joshua Tree National Monument ; Pinto Mountains at bottom of Grand Tank (dry) 1189 Comment
  CAS-BOT-BC43198  Descurainia pinnata subsp. brachycarpa H. M. Hall 1898-7-22 1053 Riverside San Bernardino Mountains. Comment
  IRVC55  Dichelostemma capitatum subsp. capitatum Lorene Lewton 1965-4-24 HS 0079 Riverside Hwy 71 [79] 1.5 mi. W of Dripping Springs Guard Station. Palomar Mtns 488 Comment
  RSA124448  Dicoria canescens Percy C. Everett, E. K. Balls 1958-4-29 23024 Riverside 5.3 mi. NE from Desert Center along road to Rice and Vidal Jct. 244 Comment
  RSA737263  Digitaria sanguinalis Scott D. White, Justin M. Wood 2008-9-17 12539 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SEINET210006  Diplacus brevipes Noel H. Holmgren, Liew Fah Seong 1969-1 3583 Riverside San Jacinto Nts, county rd Rl, at Black Mt turnoff, 8.5 mi N of Idyllwild Comment
  RSA0018430  Diplacus longiflorus var. calycinus P. A. Munz, Percy C. Everett 1950-6-23 14909 Riverside 2 mi. NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  SEINET13778024 Image available Diplacus puniceus L. R. Abrams 1941-1 13876 Riverside Palomar School near Perris Comment
  CDA3683  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside UCR Botanical Garden, Riverside. Comment
  UCD114701  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden. 351 Comment
  UCR121096  Distichlis spicata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24966 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR49400  Distichlis spicata Theo Glenn 1984-9-30 s.n. Riverside Sonoran (Colorado) Desert, N end of the Salton Sea, along a canal at the Whitewater River delta -67 Comment
  UC868541  Ditaxis lanceolata Alice Eastwood 1913-4-30 3008 Riverside Blue Canyon Palm Springs; , Blue Canyon Comment
  RSA778006  Ditaxis neomexicana J. Andre 2011-2-9 15930 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
  RSA21755  Dithyrea californica C. B. Wolf 1937-4-6 8427 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA48407  Dithyrea californica E. K. Balls 1949-4-2 12892 Riverside Highway 111 between Thermal ana Arabia. Comment
  RSA550336  Dithyrea californica W. Wisura, John Dolan, M. Wall 1992-3-25 4652 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  SBBG24505  Dithyrea californica A. I. Richardson 1966-3-23 Riverside S of Desert Highland Hot Springs rd to village of Thousand Palms Comment
  UC1606957  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside e side of wash between I-15 and Temescal Canyon Road; Temescal Canyon, Indian Wash Comment
  UCR22108  Draba cuneifolia Steve Boyd 1980-5-15 271 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR65289  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3867 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA60297  Drymocallis glandulosa G. R. Campbell 1948-7-4 608 Riverside Azalea Trails Girl Scout Camp, north of Idyllwood, Dark Canyon. 1646 Comment
  UC12558  Drymocallis lactea var. lactea H. M. Hall July, 1901 2355 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley (San Jacinto Mountains, Southern California) 2499 Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR149997  Dryopteris arguta Scott D. White 2000-11-15 8146 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  UCR178152  Dryopteris arguta Tracy Tennant 1998-3-10 MOR- 1109 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  CAS-BOT-BC173206  Dudleya multicaulis Mitch Provance 2003-4-26 9880 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 427 Comment
  OBI32761  Dudleya saxosa Wendy Smith 1981-1 Riverside Comment
  UC101033  Dudleya saxosa H. M. Hall 1901-7-1 2095 Riverside s side San Jacinto Mtns 1584 Comment
  RSA6650  Dudleya saxosa subsp. aloides C. B. Wolf 1932-5-25 1504 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  RSA6659  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 4536 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  UCR215765  Dudleya saxosa subsp. aloides Jim Andre, T. La Doux 2006-4-26 11711 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, western drainage 1165 Comment
  UCR72348  Dyssodia porophylloides Theo Glenn 1991-5-15 91- 35 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA779017  Echinocactus polycephalus var. polycephalus Duncan S. Bell 2010-4-1 677 Riverside Arica Mountains: east side of mountain range approximately 1.5 air miles northwest of Priests Well, and approximately 5.7 air miles southwest of the ghost town of Rice. 389 Comment
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  RSA675022  Ehrharta calycina Scott D. White, Tasha LaDoux 2000-4-20 7691 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  RSA234015  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 39740 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  RSA192161  Elatine chilensis E. W. Lathrop 1966-5-1 6243 Riverside 3 miles W of Murrieta. Comment
  HSC97606  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert, Coachella Valley, 84th Ave. E of Johnson St., near W edge of Salton Sea -67 Comment
  RSA365354  Eleocharis geniculata Anstruther Davidson 1904-5-1 1100 Riverside Murray Canyon, Palm Springs. Comment
  CAS-BOT-BC112921  Eleocharis macrostachya A. C. Sanders; K. C. Rose 1968-5-15 6875 Riverside Domenigone Valley: upper Warm Springs Creek between Hwy79 (Winchester Rd) and Scott Rd. 432 Comment
  POM14326  Eleocharis palustris Phillip A. Munz 1922-7-4 5972 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  SBBG101684  Eleocharis palustris S. Boyd, T. Ross, D. Zippin, T. Coerbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 mi E of Murrieta Hot Springs just W of Second San Diego Aqueduct Comment
  OBI37477  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd, 0.8 mi E of jtn with 8S01 and 8S02 Comment
  RSA335009  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  UCR260552  Elymus condensatus T. B. Salvato, Matt Malle 2014-5-29 8018 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA144656  Elymus elymoides William McKinley Klein 1960-8-22 1585 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  UC38190  Elymus glaucus H. S. Yates June 1901 2207 Riverside San Jacinto Mountains; s side 1645 Comment
  SD232144  Elymus trachycaulus Scott D. White, Justin M. Wood 2008-6-19 12273 Riverside San Jacinto mountains, Meadows at Baldy mountain 483 Comment
  SEINET3222769 Image available Elymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd, 5.5 mi W of Rancho California. 400 Comment
  RSA0125989  Emmenanthe penduliflora Duncan S. Bell 2016-3-4 8795 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA500219  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-5-7 3524 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA524425  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Tim Ross, J. Bonilla 1990-4-3 4121 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA559344  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA770311  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4401 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR182440  Emmenanthe penduliflora Mitch Provance 2003-5-5 4421 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR22481  Emmenanthe penduliflora C. S. Jones 1979-3-27 23 Riverside Sonoran (Colorado) Desert, SE facing canyon about 0.5 mi north of unnamed dirt road c. 5 mi north of I-10, 4 mi west of Desert Center 442 Comment
  UCR263239  Emmenanthe penduliflora A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41481 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  JOTR32151  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2306 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  CAS-BOT-BC131162  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  RSA707892  Encelia actoni Scott D. White, Angelia Carey 2004-4-16 10165 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UC1118035  Encelia actoni A. Lewis 1933-1-26 140 Riverside Cactus Valley San Jacinto Quad., Cactus Valley 640 Comment
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Mar 20 2011
  UCR235217  Encelia actoni A. C. Sanders, John F. Green 2012-6-1 40243 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA0088362  Encelia farinosa Phung Hoang 2016-4-9 16 Riverside LA basin, White water canyon reserve. 536 Comment
  RSA593975  Encelia farinosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0960 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA695714  Encelia farinosa Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  SBBG115962  Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside ca. 6.2 mi W of jct of Hwy St 78 and US Hwy 60-70, near Blythe Comment
  SD229087  Encelia farinosa Dick Schwenkmeyer 2012-5-22 721 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC1922403  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC31400  Encelia farinosa C. R. Orcutt 1882-5-10 Riverside Box Springs Comment
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Jun 8 2012
  UCR101567  Encelia farinosa Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR254624  Encelia farinosa Jim Andre 2013-3-21 24400 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  RSA515197  Encelia farinosa var. farinosa Steve Boyd 1986-3-13 1466 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SDSU12239  Encelia farinosa var. farinosa Shasta Gaughen, M. G. Simpson 2000-4-1 5 Riverside N. side of Santa Margarita River gorge where service road from Northside Field Station, Santa Margarita Ecological Reserve (SDSU) crosses the river. 232 Comment
  JEPS34124  Encelia frutescens Marjorie D. Clary 1933-4-9 2178 Riverside Clemens Well Orocopia Mountains, Clemens Well 243 Comment
  SD251191  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 242 Comment
  UCR177328  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  RSA85180  Ephedra fasciculata F. W. Peirson 1928-4-24 7904 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
  POM310587  Ephedra nevadensis G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  RSA796329  Ephedra trifurca Duncan S. Bell 2009-4-18 222 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR274797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-4-30 068 B Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, at the bottom of Rice Valley, c. 2 miles south of Hwy 62, south of the RR tracks 243 Comment
  RSA787332  Epilobium adenocaulon var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR161443  Epilobium canum A. C. Sanders, Mike Misenhelter 2005-9-20 31679 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR274530  Epilobium canum Mitch Provance, Ken Halama 2003-6-15 17058 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA17493  Epilobium canum subsp. canum Percy C. Everett 1936-8-28 8235 Riverside Santa Ana Mountains. North end of La Cienega. 732 Comment
  RSA180495  Epilobium canum subsp. canum E. W. Lathrop 1965-9-22 6017 Riverside 8 miles west of Murrieta. Comment
  CAS-BOT-BC171732  Epilobium canum subsp. latifolium R. J. Kessler 1921-10-1 1921 Riverside San Jacinto Mts. Comment
  RSA162769  Epilobium canum subsp. latifolium John Olmsted 1958-9-21 207 Riverside Dark Canyon just above its intersection with Banning Idyllwild road. Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA588530  Epilobium canum subsp. latifolium J. S. Stubblefield 1932-10-10 s.n. Riverside Near Colorado River. Comment
  UCR174239  Epilobium ciliatum A. C. Sanders, T. B. Salvato 2006-6-2 33081 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
  RSA680526  Epilobium ciliatum subsp. ciliatum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8647 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek, i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC56487  Epilobium ciliatum subsp. ciliatum E. E. Schellenger July, 1901 Riverside Thompson's Springs Comment
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Mar 22 2014
  RSA633883  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38157 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  RSA92723  Epilobium pygmaeum J. C. Roos 1952-5-14 5662 Riverside Edgemont, near Box Springs. 488 Comment
  POM48356  Epipactis gigantea Philip A. Munz, I. M. Johnston 1924-7-27 8793 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA381719  Epipactis gigantea George Henry Grinnell 1923-5-26 s.n. Riverside Riverside. Comment
  CAS-BOT-BC56935  Equisetum arvense Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  MACF022019  Equisetum laevigatum Katherine Jizba 1977-4-30 Riverside Roadside in Pine Cove Rt. 1 Comment
  RSA639636  Equisetum telmateia var. braunii E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  CAS-BOT-BC204487  Eragrostis cilianensis S. B. Parish 1913-2-7 8442 Riverside Salton Basin. Mesa near Mecca -60 Comment
  UCR113928  Eragrostis cilianensis Mitch Provance 2000-6-24 2050 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR26522  Eragrostis cilianensis A. C. Sanders, S. Hagopian 1981-5-20 2155 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  RSA450452  Eragrostis curvula J. C. Roos 1965-9-16 s.n. Riverside Lakeview Comment
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Sep 19 2018
  UCD63462  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. and Sparky (just E of Washington and S of I-10). 30 Comment
  RSA664936  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  SBBG63731  Eremocarya lepida R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1981 Comment
  CAS-BOT-BC160061  Eremothera boothii subsp. condensata Forrest Shreve 1937-3-12 7904 Riverside 6 mi. NE of Desert Center Comment
  UC196143  Eremothera boothii subsp. condensata S. B. and W. F. Parish April 1882 628 Riverside Agua Caliente Colorado Desert Comment
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Nov 24 2011
  SDSU3044  Eriastrum densifolium Wende E. Rehlaender 1983-5-28 111 Riverside Santa Rosa Mountains; next to Hwy 74, about 12 miles along road from Palm Desert; 1/2 mile W of Deep Canyon, 3 miles NW of Sheep Mountain. Comment
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Jan 24 2013
  RSA0105503  Eriastrum densifolium subsp. austromontanum John F. Emmel 1978-7-17 615 Riverside Santa Rosa Mountains; Mountain Home Springs. 1921 Comment
  SD146198  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-12 699 Riverside Santa Ana River Wash, Riverside, 1/8 mile northwest of Tequesquite Ave. and Gregory Rd. 228 Comment
  UCR252812  Eriastrum densifolium subsp. sanctorum Ana Hernandez, Angela Collada 2013-6-12 046 Riverside Santa Ana River, between Market Street and Mission Blvd 245 Comment
  SEINET3218487 Image available Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert; Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5' Q.) 123 Comment
  RSA0120083  Eriastrum eremicum subsp. eremicum Alan Prather, Alice Hempel 1993-5-16 1343 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  RSA0020092  Eriastrum harwoodii J. Andre 2013-3-27 24794 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UCR237492  Eriastrum harwoodii Duncan S. Bell 2011-4-7 2176 Riverside Sonoran (Colorado) Desert, northeast side of the Arica Mountains, c. 2.5 air mi northwest of Priests Well or c. 4.3 air mi southwest of the ghost town of Rice 339 Comment
  UC455473  Eriastrum sapphirinum I. J. Condit 1910-6-24 Riverside on lower slopes and in San Jacinto Canyon San Jacinto Mts. 914 Comment
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Nov 1 2007
  UC729817  Eriastrum sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  UCR178416  Eriastrum sapphirinum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  SD181417  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Tasha La Doux 2000-6-3 7998 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA0121592  Eriastrum sapphirinum subsp. dasyanthum F. W. Peirson 1920-6-22 4708 Riverside Temescal Canyon. 305 Comment
  CAS-BOT-BC515047  Eriastrum sapphirinum subsp. sapphirinum D. E. Breedlove 1961-8-5 948 Riverside San Jacinto Mts., Along State Hwy 74, 5 mi E of Keen Camp, Hemet Valley 1341 Comment
  CAS-BOT-BC131670  Ericameria brachylepis Louis C. Wheeler 1933-12-1 2288 Riverside 2 mi. E Cabezon, San Gorgonio Pass 640 Comment
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Jan 10 2018
  CAS-BOT-BC286793  Ericameria cuneata var. spathulata John Thomas Howell 1928-1-31 3321 Riverside At nw. end of Pinto Basin, n. Colorado Desert Comment
  RSA771628  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4994 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR34965  Ericameria linearifolia L. B. Ziegler 1968-4-16 275 Riverside San Jacinto Mtns, W slope of mtns at Dry Creek & Hwy 74 1067 Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  CAS-BOT-BC131643  Ericameria parishii var. parishii Edmund C. Jaeger 1920-4-9 s.n. Riverside Snow Creek, Colorado Desert 914 Comment
  RSA552731  Ericameria pinifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 a Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  CAS-BOT-BC294844  Erigeron breweri var. jacinteus Mrs. C. M. Wilder 1909-7-12 972 Riverside Snow Creek, San Jacinto Mts. Comment
  UCR106353  Erigeron divergens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA709453  Erigeron foliosus T. B. Salvato, John Green 2004-5-27 634 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA761281  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 714 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS41504  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall 1901-5-31 1568 Riverside near Temecula 335 Comment
  JOTR37453  Erigeron foliosus var. foliosus Hodges, Stephen, T. Green 2016-5-24 575 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UC729659  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside just above Fish Hatchery; No. Base of San Jacinto Mts., Snow Creek 670 Comment
  POM48945  Erigeron foliosus var. stenophyllus P. A. Munz, I. M. Johnston 1924-7-26 8722 Riverside Saw Mill on Banning-Idyllwild Rd. 1707 Comment
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May 30 2011
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCR241678  Eriochloa O. F. Clarke 2010-5-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  CLARK-A1528-1026  Eriodictyon crassifolium John C. Roos 1941-5-10 131 Riverside Hemet 670 Comment
  CLARK-A1528-540  Eriodictyon crassifolium Fred B. Essig 1967-3-23 Riverside San Jacinto River Comment
  RSA0034762  Eriodictyon crassifolium Norman C. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 304 Comment
  CDA22491  Eriogonum davidsonii A. C. Browne 1951-10-28 Riverside Aguanga. 0 Comment
  RSA783185  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 383 Riverside San Jacintos, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  UCD99970  Eriogonum fasciculatum subsp. fasciculatum K. Esau 1935-6-15 s.n. Riverside Riverside County. Comment
  CAS-BOT-BC249899  Eriogonum fasciculatum var. flavoviride C. L. Hitchcock 1940-4-1 5903 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument Comment
  RSA392663  Eriogonum fasciculatum var. flavoviride Jack Rempel, Erwin Miller 1934-4-28 s.n. Riverside Lost Horse 1296 Comment
  UC218175  Eriogonum fasciculatum var. flavoviride P. A. Munz, D. Keck 1922-4-13 4949 Riverside Eagle Mtns. Colorado Desert, Eagle Mtns. 243 Comment
  CAS-BOT-BC249961  Eriogonum fasciculatum var. foliolosum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JEPS57288  Eriogonum fasciculatum var. polifolium L. R. Heckard and R. C. Bacigalupi 1968-5-5 1806 Riverside 2/6 mi n Radec 548 Comment
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Jun 1 2012
  JOTR29157  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1234 Riverside Joshua Tree National Park. Key's view Comment
  RSA0117852  Eriogonum fasciculatum var. polifolium Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA316417  Eriogonum fasciculatum var. polifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55399 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA613762  Eriogonum fasciculatum var. polifolium B. Pitzer 1997-4-20 3195 Riverside Lakeview Mtns: Warren Rd., just before it connects with Pulsar View Rd., ca. 1 air mi. N of Juniper Flats Rd. 518 Comment
  RSA771762  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4575 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA775285  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4287 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  SD90099  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  UC1329844  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-17 715 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  UC1463086  Eriogonum fasciculatum var. polifolium Arthur S. Barclay and Juan Arguelles 1965-3-22 1870 Riverside 10 mi se, along State Highway 74 State Highway 111 914 Comment
  SEINET5329485  Eriogonum gracile J. L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and aboot 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp, Comment
  RSA192354  Eriogonum gracile var. gracile E. W. Lathrop 1966-5-23 6331 Riverside 6 miles NW of Murrieta. Comment
  RSA393247  Eriogonum gracile var. gracile T. W. Minthorn 1925-7-4 s.n. Riverside Near Perris. Comment
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Nov 17 2011
  SD136783  Eriogonum gracile var. gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon Wilderness Area of the Cleveland Nartional Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  RSA698435  Eriogonum inflatum Unspecified s.n. Riverside Indio. Comment
  RSA783818  Eriogonum molestum var. davidsonii John Olmsted 1958-9-21 206 Riverside Dark Canyon just above its intersection with Banning Idyllwild road. Comment
  JOTR32479  Eriogonum nidularium Herskovits, Tasya 2011-5-25 15 Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large, sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  RSA224  Eriogonum nudum var. pauciflorum J. T. Howell 1927-8-2 570 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  SFV8352  Eriogonum pusillum M. Andriessen 1962-4-18 34 Riverside San Jacinto Mountains State Highway 74, about 10 miles from Palm Desert. Comment
  POM14255  Eriogonum reniforme P. A. Munz, D. D. Keck 1922-4-9 4919 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  CAS-BOT-BC263521  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside Hills just n. of Milpitas Wash, Ogilby-Blythe Road Comment
  RSA0020370  Eriogonum thomasii Duncan S. Bell 2012-3-4 3129 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA644221  Eriogonum thomasii Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1368 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  RSA676149  Eriogonum thomasii Scott D. White 2001-4-12 8314 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA776241  Eriogonum thomasii Duncan S. Bell 2010-3-20 598 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC310593  Eriogonum thomasii Philip A. Munz 1926-1-31 9971 Riverside Dos Palmos Spring Colorado Desert, Dos Palmos Spring Comment
  UCR92748  Eriogonum thurberi A. C. Sanders 1994-7-27 15160 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  CAS-BOT-BC263597  Eriogonum trichopes C. F. Saunders 1932-6-21 s.n. Riverside Palm Springs Comment
  CLARK-A1528-3723  Eriogonum wrightii John C. Roos 1967-10-28 Riverside Whitewater 426 Comment
  UCSB24382  Eriogonum wrightii Wheeler, Louis 1933-12-1 Riverside Mouth of Tahquitz Canyon; San Jacinto Mts 152 Comment
  UCSB42148  Eriogonum wrightii Roos, John 1965-9-26 Riverside Palm Springs Station Comment
  CAS-BOT-BC264926  Eriogonum wrightii var. membranaceum P. A. Munz 1941-10-1 17235 Riverside Dosa Palmos Springn north base of Santa Rosa Mts. Comment
  OBI10923  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-3 181 Riverside Strawberry Valley, San Jacinto Mts 1585 Comment
  RSA593382  Eriogonum wrightii var. membranaceum Scott D. White 1996-7-23 4363 Riverside San Jacinto/ Santa Rosa Mountains: Pine Meadow: Along Hwy 74 just SE of Garner Valley and about 2 road miles NW of jct. w/ Hwy 371. 1418 Comment
  POM123356  Eriogonum wrightii var. nodosum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  CAS-BOT-BC298479  Eriophyllum ambiguum var. paleaceum Edmund C. Jaeger 1922-3-19 s.n. Riverside Painted Canon near Mecca Comment
  UC62976  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 1 1896-Apr 10 1896 Riverside Palm Spring Colorado Desert, Palm Spring Comment
  POM12793  Eriophyllum confertiflorum P. A. Munz 1922-6-27 5857 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  RSA357968  Eriophyllum confertiflorum E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  RSA0041966  Eriophyllum confertiflorum Paul Shirokawa 1998-5-15 35 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  JOTR35450  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 54 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  UC31712  Eriophyllum confertiflorum var. confertiflorum Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Mountains Comment
  RSA728604  Eriophyllum wallacei Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1892 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  SD37566  Eriophyllum wallacei Edith A. Purer 1935-4-21 6481 Riverside Near Palm Springs. Comment
  UCD132248  Eriophyllum wallacei William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCSB38656  Eriophyllum wallacei Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  POM17787  Erodium brachycarpum H. Baer 1923-2-25 s.n. Riverside Temecula Canyon. Comment
  RSA757736  Erodium cicutarium LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4311 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR104158  Erodium cicutarium Scott D. White 1997-5-25 5232 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR177860  Erodium cicutarium Marisa Sripracha, K. A. Boyd 2004-3-21 042 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR20740  Erodium cicutarium A. C. Sanders, Steve Boyd 1980-5-2 1421 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET13752389  Erodium texanum Heather Breakiron 2017-3-21 1 Riverside 11 miles southwest of Blythe, CA Comment
  RSA530202  Erysimum capitatum var. capitatum Robert L. Rutherford 1944-6-17 1381 Riverside Above Banning. 1372 Comment
  SDSU10781  Erythranthe guttata Wende Rehlaender 1983-5-22 Riverside Across road from Console Springs. Reche Canyon, approx. 7 miles from NW end of Reche Canyon Rd.; about 3 miles N of Sunnymead. Comment
  SEINET14045869 Image available Erythranthe guttata A. C. Sanders 2006-1 32401 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0018797  Erythranthe guttata N. C. Cooper 1944-5-21 1286 Riverside San Jacinto Mountains, West side 915 Comment
  UCD96463  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 256 Riverside California. Riverside County: Joshua Tree National Park. 862 Comment
  SEINET7073410  Eschscholzia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  CLARK-A1656-689  Eschscholzia glyptosperma Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  RSA0022948  Eschscholzia minutiflora Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4770 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  RSA717445  Eschscholzia minutiflora Scott D. White, Pam De Vries 2006-3-14 11257 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  UCR240995  Eschscholzia minutiflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 50 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR249659  Eschscholzia minutiflora T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7296 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
  UCD96466  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 260 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  JEPS123741  Eschscholzia parishii J. Andre, T. La Doux 2009-2-25 10804 Riverside Chuckwalla Mountains: approx. 0.5 mi south of I-10 freeway at Eagle Mountain Road Exit. Desert Center 7.5' USGS Quad. Comment
  JEPS51818  Eschscholzia parishii S. B. Parish 1920-3-25 20027 Riverside Palm Springs Colorado Desert Comment
  JOTR30632  Eschscholzia parishii Andre, Jim, Tasha La Doux 2008-3-21 8836 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  UCR148448  Eschscholzia parishii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SEINET10871889  Eschscholzia parishii Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7466 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s. R10e. Sec 35. Common in wash. 244 Comment
  UCR113559  Eucalyptus camaldulensis Mitch Provance 2000-9-1 2230 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR192672  Eucalyptus camaldulensis Matt Ritter, Jenn Yost, A. C. Sanders 2007-10-18 322 Riverside University of California, Riverside; Botanic Garden 366 Comment
  RSA420834  Eucrypta chrysanthemifolia H. Twining 1890-02 s.n. Riverside Riverside. Comment
  RSA681994  Eucrypta chrysanthemifolia var. bipinnatifida Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10487 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
  UC1287119  Eucrypta chrysanthemifolia var. chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 0.25 mi w Aguanga Comment
  SBBG37500  Eucrypta micrantha R. N. Muller 1967-5-5 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  JOTR33981  Eulobus californicus La Doux, Tasha, M. Harding 2010-4-7 2869 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  OBI35625  Eulobus californicus Carolyn Eytcheson 1977-12-10 577 Riverside In hills W of San Jacinto and Hemet 488 Comment
  UCR240765  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2070 Riverside Sonoran (Colorado) Desert, Midland Rd. due east of Midland 282 Comment
  UCR260829  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-3-11 41397 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  PASA701  Euphorbia polycarpa 4/28 Riverside Hidden Springs Comment
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Jun 24 2016
  SEINET10848001  Euphorbia polycarpa A. K. Evans 1976-4-13 Evans 5162 Riverside Desert canyons of Santa Rosa Mountains. Comment
  OBI14405  Euphorbia polycarpa var. hirtella Lewis S. Rose 1959-1-8 59003 Riverside La Quinta 15 Comment
  UCR105  Euphorbia polycarpa var. hirtella Mark Bishner 1971-4-15 s.n. Riverside Western Colorado Desert, 5 mi. east of Desert Hot Springs 396 Comment
  CLARK-A1528-441  Euphorbia serpyllifolia C. M. Flanagan 1973-6-13 OO 717 Riverside Morongo Indian Reservation 1127 Comment
  RSA515307  Euphorbia spathulata Jeri Hirshberg 1989-4-11 s.n Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 609 Comment
  POM319662  Euthamia occidentalis Patricia Wilder 1971-11-11 5290 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  RSA681032  Fagonia laevis Scott D. White, Michael Honer 2003-5-14 9262 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR148076  Fagonia laevis John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR226728  Fagonia laevis Jim Andre 2011-2-9 15910 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
  RSA605769  Fagonia pachyacantha A. C. Sanders 1995-5-23 17126 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns, near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  RSA784766  Fagonia pachyacantha Duncan S. Bell 2012-3-18 3170 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR86159  Fagonia pachyacantha A. C. Sanders 1995-5-23 17126 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  SBBG119166  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside ca. 3 mi ENE of Perris, W of Menifee Rd (Pozos Ave) and S of Nuevo Rd, between San Jacinto River and Nuevo 432 Comment
  POM286350  Ferocactus cylindraceus var. cylindraceus Lyman Benson 1945-3-28 11641 Riverside 2 miles south of Whitewater. Colorado Desert. 366 Comment
  UCR108861  Festuca microstachys Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR117305  Festuca myuros A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 734 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  JOTR35351  Festuca octoflora Andre, Jim 2012-4-11 20680 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SDSU12931  Festuca perennis Jutta Buschbom 1991-5-31 7 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
  UCR48391  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA716822  Filago californica A. C. Sanders, Teresa B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR16771  Fragaria vesca subsp. californica Ed West 1972-5-5 07 Riverside San Jacinto Mtns, 17.4 mi from Banning on the Palms-to-Pines Hwy [Hwy 243], beside Fuller Mill Creek 1707 Comment
  CAS-BOT-BC53341  Frangula californica subsp. cuspidata H. E. McMinn 1925-7-2 1511 Riverside Tahquitz Trail to Tahquitz Peak, San Jacinto Mts. Comment
  SEINET1004423  Frankenia salina A. C. Sanders 2004-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region; Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi e of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun city 457 Comment
  UCR139625  Frankenia salina A. C. Sanders 2004-7-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  RSA735358  Fraxinus dipetala Keith E. Hoffmaster 1934-4-8 155 /180 Riverside Santa Ana Mts. Comment
  SD152807  Fraxinus velutina var. velutina Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7330 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 confluece with Tenaja Canyon. 366 Comment
  UC1979596  Fremontodendron californicum subsp. californicum D. L. Banks, Victor Steinmann 1995-7-10 0755 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage S of the peak Agua. Comment
  RSA524461  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4064 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  UCR23170  Fritillaria biflora C. Filmer 1981-4-12 81- 18 Riverside Gavilan Hills, c. 25 m north of the S entrance to Harford Springs Co. Park. 579 Comment
  RSA33514  Funastrum cynanchoides var. hartwegii N. C. Cooper 1944-4-8 1076 Riverside Andreas Canyon 305 Comment
  RSA458589  Funastrum cynanchoides var. hartwegii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA702728  Funastrum cynanchoides var. hartwegii Scott D. White, Michael Honer 2004-4-6 10061 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 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
  HSC25819  Funastrum hirtellum R. W. Spjut 1972-3-20 2291 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  POM76095  Funastrum hirtellum Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SEINET10496383  Funastrum hirtellum A. Evans 1976-4-13 Evans 5178 Riverside Desert canyons of Santa Rosa Mts. Comment
  SD236403  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UCR180698  Galium angustifolium Mitch Provance 2003-4-26 9881 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR195705  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) Comment
  POM367635  Galium angustifolium subsp. angustifolium E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  UCR41306  Galium angustifolium subsp. gracillimum N. M. Fellows, A. C. Sanders 1985-4-9 160 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA761270  Galium angustifolium subsp. jacinticum Shawn Krosnick, Lucinda A. McDade, Naomi S. Fraga 2010-8-14 670 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR217520  Galium angustifolium subsp. jacinticum Jeff B. Galvin 2010-8-6 98 Riverside San Jacinto Mountains, 108m east of Hwy 243, west of Fern Basin 1782 Comment
  UCD121722  Galium aparine B. Pitzer 1987-4-11 478 Riverside West of Murrieta at Santa Rosa Plateau Preserve, Mesa de Colorado. 609 Comment
  RSA612370  Galium nuttallii D. L. Banks, Joe Moreno 1997-2-5 1252 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  RSA679075  Galium parishii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1442 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UC1979634  Galium porrigens var. porrigens D. L Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCR271514  Galium porrigens var. tenue T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8348 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA0042107  Galium stellatum Duncan S. Bell, Deidre Conocchioli 2014-3-11 6228 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA577513  Garrya veatchii D. L. Banks, Steve D. Boyd 1995-1-18 42 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness. N slope of Agua Tibia Mnt., W of Wild Horse Peak, along the Dripping 963 Comment
  UCR195137  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  RSA788879  Gayophytum diffusum subsp. parviflorum Gary D. Wallace 2003-7-8 4045 Riverside Hidden Lake. Comment
  RSA577514  Gazania linearis D. L. Banks, S. D. Boyd 1995-2-16 0043 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, along the Woodchuck Trail. 627 Comment
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Feb 20 2020
  SEINET10859115  Gazania linearis Nye Leith, Greg Gust 2005-3-11 Nye 68 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  CAS-BOT-BC303580  Geraea canescens Ira L. Wiggins 1938-3-19 8899 Riverside Colorado Desert 25 miles W of Blythe Comment
  POM358679  Geraea canescens M. B. Dunkle 1935-4-17 4553 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA652943  Geranium carolinianum Mitch Provance 1998-4-25 1126 Riverside Jurupa Mountains: City of Fontana, Jurupa Hills Regional Park, E to SW traversing canyon just S of Martin Tudor Park, and along the W edge of Sierra Blvd. 366 Comment
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Oct 5 2016
  RSA667120  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region; Riverside, UCR Botanical Garden, E side of the campus. 121 Comment
  UCR252001  Gilia A. C. Sanders, T. B. Salvato 2014-7-2 41175 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA470126  Gilia angelensis N. C. Cooper 1944-4-23 1100 Riverside Banning 701 Comment
  RSA705182  Gilia angelensis J. Mark Porter, Sarah J. De Groot 2005-3-9 14257 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  UCR137504  Gilia angelensis D. L. Banks, V. W. Steinmann 1997-3-13 1453 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR251707  Gilia angelensis T. B. Salvato 2014-4-9 7832 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  SDSU3069  Gilia australis H. Wedberg 1962-4-20 907 Riverside About 1 miles SE of Pinyon Flats on road to Palm Springs. Comment
  UCR193894  Gilia capitata A. C. Sanders, Mitch Provance 2008-7-11 35797 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR3356  Gilia capitata Heidi A. Haid 1964-5-15 64515- 05 Riverside San Bernardino Valley, Reche Canyon Road, c. 5 mi. from junction with Barton Road 610 Comment
  RSA783529  Gilia latiflora J. D. Olmsted 1958-6-15 175 Riverside Idyllwild School of Music and Arts, south of Idyllwild. In dry grassland near Strawberry Creek. 1524 Comment
  UC665781  Gilia latifolia Ira L. Wiggins 1941-3-24 9587 Riverside 1 mi n Imperial County Line (on e side Salton Sea); e side of Salton Sea Comment
  RSA0016277  Gilia ochroleuca subsp. exilis Ora M. Clark 1929-3-16 1687 Riverside South of Cabazon. Comment
  RSA0017085  Gilia ochroleuca subsp. exilis Marcus E. Jones 1889-4-20 10311 Riverside San Jacinto. Comment
  RSA469736  Gilia stellata Robert L. Dressler 1949-3-19 423 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  SD225059  Gilia stellata G. K. Helmkamp 1998-4-4 3130 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center - Rice Rd). 474 Comment
  SJSU8432  Gilia stellata R. C. McGehee 1970-4-30 246 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  UCR162851  Gilia stellata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 239 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, W edge of main canyon near the BLM gate 534 Comment
  UCR213265  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37449 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
  UCSB52568  Gilia stellata Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot; Chino Canyon; Whittaker transect #W-217 570 Comment
  SBBG55269  Gilia stellata T. Criswell 1977-2-27 15 Riverside S side of St Hwy 195, ca. 500' W of its jct with Interstate 10, Upper Box Cyn 365 Comment
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Aug 23 2016
  UCR99575  Glycyrrhiza lepidota G. R. Ballmer 1996-5-19 s.n. Riverside E of Murrieta: near margin of Warm Springs Creek, adjacent to Hwy I-15 right-of-way. 366 Comment
  UCR136272  Gnaphalium californicum A. C. Sanders 2004-4-20 27563 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
  UCR16698  Gnaphalium californicum R. H. Smith 1969-5-20 40 Riverside San Bernardino Valley Region, Box Springs Mtns, below water reservoir, Sugarloaf Peak. 305 Comment
  RSA596162  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  POM15072  Gnaphalium chilense Mary F. Spencer 1922-4-10 1959 Riverside Palm Springs, alt 500ft, Riverside County 152 Comment
  UCR121821  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24603 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR91735  Gnaphalium luteoalbum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18105 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  SD197684  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 Riverside San Jacinto Mountain foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and north of California Highway 74. 548 Comment
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Jul 11 2010
  RSA91699  Gnaphalium palustre F. W. Peirson 1924-7-29 5030 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  JOTR31076  Grayia spinosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2339 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA271604  Guillenia lasiophylla Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6427 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  RSA593377  Gutierrezia californica Scott D. White 1996-7-23 4357 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  RSA715264  Gutierrezia californica T. B. Salvato, Gregg Miller 2005-6-3 1381 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  RSA504547  Gutierrezia sarothrae Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UC284166  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 mi n Lake Elsinore Comment
  RSA0066603  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park, at south end of park. 609 Comment
  RSA0057845  Heleochloa schoenoides J. C. Roos 1969-11-22 Riverside Quail Lake at the south end of Jack Rabbit Trail. Prostrate in the mud at the border of a receding winter-flood lake. Growing in the lake bed. San Jacino Valley, east of Moreno. 426 Comment
  GMDRC6565  Helianthemum scoparium J. M. Andre 2012-6-15 30521 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA595918  Helianthus annuus D. L. Banks, Lauren Raz 1996-11-5 1177 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  SD181695  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road near intersection with Wilson Ave., west of San Jacinto River crossing. 434 Comment
  RSA683854  Helianthus gracilentus Scott D. White, Michael Honer 2003-4-4 8960 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR140718  Helianthus gracilentus A. C. Sanders 2004-5-12 27889 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR250136  Helianthus gracilentus Dick Newell, Judy Booth 2013-11-24 343 Riverside Peninsular Range; Santa Ana Mtns., North Main Divide Road, Cleveland National Forest, 0.5 mi. east of Orange Co. line 825 Comment
  SD232182  Helianthus nuttallii subsp. nuttallii Scott D. White 2003-10-9 9816 Riverside San Jacinto Mountains: Pine Cove. Lily Creek just north of crossing at Hwy 243. 1737 Comment
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Sep 8 2015
  UCR174961  Heliotropium curassavicum Teresa Nieto 2005-5-26 52 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  JEPS38323  Hemizonella minima Carl V. Meyer 1929-6-16 761 Riverside slope s Saunder's Meadows; San Jacinto Mts. Comment
  UCR43409  Hemizonia fasciculata B. G. Pitzer, Karen Kirtland 1986-5-16 0262 Riverside Peninsular Range, Woodcrest area, adjacent to W side of Van Buren Blvd, and just north of Riverside city limit; E border adjacent to Gage Canal 351 Comment
  UCR274307  Hemizonia kelloggii T. B. Salvato, Melissa Clemons 2005-6-6 1428 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA678262  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  RSA740627  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-8 12382 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR161254  Hemizonia mohavensis A. C. Sanders, Mike Misenhelter 2005-9-20 31680 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR200998  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 023 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  RSA656543  Hemizonia paniculata A. C. Sanders 2000-5-25 23423 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR108831  Hemizonia paniculata O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR167830  Hemizonia paniculata T. B. Salvato, Melissa Clemons 2005-6-2 1354 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
  UCR199653  Hemizonia paniculata Justin M. Wood 2008-7-16 25 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR21957  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-13 268 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  JEPS61976  Hesperocallis undulata Marjorie D. Clary 1932-4-13 1592 Riverside Colorado Desert, Coachella Valley, Mecca Coachella Valley; Colorado Desert, , Mecca -60 Comment
  RSA562056  Hesperocallis undulata Steve Boyd, Carol Boyd 1992-4-19 6928 Riverside N end of the Granite Mountains along powerline road near junction of Highway 177 and Highway 62. Area of transition between Mojave and colorado Deserts. Comment
  CAS-BOT-BC508659  Hesperocallis undulata Lester Rowntree 1937-3-23 s.n. Riverside Coachella Valley near Hidden Springs Comment
  SD152814  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  SD186321  Heteromeles arbutifolia Andy C. Sanders 2004-6-20 28211 Riverside Peninsular Range: Temescal Canyon, Serrando Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the i-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR92177  Heterotheca grandiflora D. L. Banks, Steve Boyd 1995-10-17 0770 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  SEINET3167706  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km S of CA-243, S of Lake Hemet Comment
  CLARK-A1528-3226  Hibiscus denudatus John C. Roos 1939-4-6 4145 Riverside Orocopia Mountains Comment
  CLARK-A1656-652  Hibiscus denudatus Milton Walker 1978-3-3 Riverside La Quinta 45 Comment
  POM2930  Hibiscus denudatus I. M. Johnston 1917-4-4 s.n. Riverside mouth of Andreas Canyon 244 Comment
  RSA704590  Hibiscus denudatus LeRoy Gross 2005-3-3 1589 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR251642  Hibiscus denudatus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 799 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  HSC34760  Hilaria rigida R. E. Cooksey Mar 1974 201 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  RSA0031467  Hoffmannseggia glauca Kristin Forgrave, Josh Paolini 2013-8-7 27 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  UCD105854  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  CAS-BOT-BC284939  Hordeum brachyantherum subsp. californicum Robert F. Thorne; Earl Lathrop 1969-5-12 37936 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California Comment
  RSA618000  Hordeum depressum R. E. Riefner 1998-6-19 98 -362 Riverside Elsinore Trough between Willard and Murrieta Creek Comment
  UCR211731  Hordeum intercedens Fred M. Roberts, D. E. Bramlet 2005-5-5 6179 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  RSA0093141  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region.: Western base of Eisenhower Mountain, southeast of the Living Desert at mouth of Deep Canyon. 366 Comment
  RSA121044  Hordeum murinum subsp. glaucum J. T. Howell 1956-3-19 31117 Riverside San Jacinto. Comment
  RSA552725  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6767 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  CAS-BOT-BC148555  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area - San Jacinto Mts. 1828 Comment
  UCR186852  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah M. Siedschlag 2006-5-22 1681 Riverside San Jacinto Mountains, On road that leads to Duchess Canyon, east of Fobes Ranch 1677 Comment
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  JOTR32364  Hymenopappus filifolius var. lugens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2479 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit (Stop 4) Comment
  RSA78308  Hymenopappus filifolius var. lugens P. A. Munz, E. K. Balls 1952-8-21 17987 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UC68917  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Paloverde Valley Colorado Desert 76 Comment
  POM12643  Hypericum androsaemum P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  POM19805  Hypericum formosum var. scouleri Mary F. Spencer 1923-7-29 2257 Riverside Saunders Meadow 1677 Comment
  RSA496568  Hypochaeris glabra Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  CAS-BOT-BC219769  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca 45 Comment
  LA61542  Hyptis emoryi Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 138 Comment
  POM69497  Hyptis emoryi George B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs. Comment
  RSA115037  Hyptis emoryi E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20977 Riverside Material Collected on Hwy 74, 15.5 mi NE from PinyonFlat F.S. Campground on road to Palm Springs. 701 Comment
  RSA727391  Hyptis emoryi Naomi S. Fraga, Lisa Rojas 2005-2-10 1382 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA83467  Hyptis emoryi F. W. Peirson 1919-4-13 1078 Riverside first canyon east of Palm Canyon, Palm Springs region. Comment
  UC218091  Hyptis emoryi P. A. Munz and D. Keck 1922-4-9 4767 Riverside near Mecca (Shavers Well); Shavers Well 76 Comment
  UCR196355  Hyptis emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1382 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR166827  Ipomoea purpurea Michael D. Wilcox 2005-11-19 s.n. Riverside San Bernardino Valley, Mira Loma, 13 acre fallow field at the south east junction of Hamner Ave. and Galena St., at the San Bernardino County line approximately 1.6 miles north of Swan Lake Trailer park 229 Comment
  CDA5543  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside Northwest of Neighbors Boulevard & Avenue 22, 1.4 miles north of Ripley. 0 Comment
  UCR9262  Isocoma acradenia var. eremophila O. F. Clarke 1969-11-10 s.n. Riverside Sonoran (Colorado) Desert, Near Whitewater on Hwy 111, 2 mi. SE of point where 111 merges into Hwy I-10 at Verbenia Ave. 351 Comment
  UCR113634  Isoetes howellii June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  UC857716  Isomeris arborea Lewis S. Rose 1938-12-18 38323 Riverside Palm Springs 137 Comment
  UCR235052  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  UC1523439  Ivesia saxosa Robert F. Thorne, Rolf and Gertrud Dahlgren 1979-8-22 53577 Riverside base of Ryan Mountains (vicinity of Ryan Camp); Joshua Tree National Monument 1341 Comment
  UCD51330  Jarava speciosa Fred M. Reed 1920-5-10 4489 Riverside Colorado Desert, Murray Canyon. 426 Comment
  UCR84500  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside S Santa Ana Mtns, San Mateo Canyon Widerness Area of the Cleveland National Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  SD229194  Juglans californica Dick Schwenkmeyer 2012-10-16 843 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SD237479  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  SEINET1004544  Juncus balticus Mitch Provance 2005-1 9806 Riverside Warm Springs Valley; Nichols road wetland area at Alberhill Creek, S 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
  UCR108825  Juncus balticus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  HSC87024  Juncus balticus subsp. ater L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  SD140239  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Western edge of Hemet, 14 acre parcel at northeast corner of Intersection of Meyers Street and Devonshire Avenue, 3/4 mile northeast of the intersection of Florida avenue (Highway 74) and Warren Road, just south of Tres Cerritos. 459 Comment
  UCR116993  Juncus bufonius A. C. Sanders, T. B. Salvato 2001-5-3 24100 B Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR170124  Juncus bufonius Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 103 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  SD146108  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley,upper Warm Springs Ck,bet. Hwy 79(Winchester Rd)&Scott Rd,Domenigoni Ranch,S of Winchester;Winchester 7.5' quad. Silty alkaline loam in flat valley bet. low hills. In mud along drying ck margins in dense herbs bet. old fields. 433 Comment
  RSA741268  Juncus effusus subsp. austrocalifornicus Scott D. White, Justin M. Wood 2008-7-10 12451 Riverside Fobes Spring 1500 Comment
  UCR111737  Juncus effusus subsp. austrocalifornicus S. J. Myers, Chet McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UC1601813  Juncus macrandrus H. M. Hall Jul 1901 2248 Riverside Fuller's Mills San Jacinto Mountains Comment
  RSA0123702  Juncus macrophyllus Duncan S. Bell, Thomas Stoughton 2016-4-12 9236 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  RSA562485  Juncus mexicanus Steve Boyd, Timothy S. Ross 1992-5-5 7251 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
  CHSC23887  Juncus tiehmii R. F. Thorne 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  RSA33651  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  RSA496126  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3003 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR241509  Juniperus californica A. C. Sanders 2013-4-16 40801 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  CAS-BOT-BC234581  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs 138 Comment
  CAS-BOT-BC234600  Justicia californica L. R. Abrams 1926-3-26 11063 Riverside Palm Springs to Palm Canyon Comment
  GMDRC9805  Justicia californica J. M. Andre 2017-3-1 38022 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  POM292861  Justicia californica Lyman D. Benson 1949-3-28 13577 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. 305 Comment
  POM3996  Justicia californica Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UC869489  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs Comment
  VVC700  Justicia californica P. J. MacKay, T. Thomas 1997-2-8 95 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  SEINET10956018  Keckiella antirrhinoides var. antirrhinoides Greg Gust, Leith Nye 2005-3-11 Gust 544 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UCR111997  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, T. B. Salvato 2000-5-25 23430 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
  NY786709  Keckiella antirrhinoides var. antirrhinoides C. C. Parry 1876-1 301 Riverside Comment
  JOTR34044  Keckiella antirrhinoides var. microphylla La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2945 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  UC729831  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 Riverside trail from Idyllwild to Tahquitz Valley; San Jacinto Mts., Summit of Devil's Slide 2438 Comment
  RSA0019438  Keckiella ternata subsp. ternata N. C. Cooper 1944-7-15 1581 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  VVC2010  Koeberlinia spinosa var. tenuispina Corey Mitchell 2010-4-19 s.n. Riverside Colorado Desert, 6.5 miles north of Desert Center 201 Comment
  UCR121691  Koeleria macrantha D. E. Bramlet 1989-5-19 1872 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  JOTR38529  Krameria erecta Harding, Mitzi, Kipp Callahan 2012-8-27 300 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  RSA676280  Krameria grayi Scott D. White 2001-4-3 8249 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC574955  Krameria grayi C. Epling and Wm. Robison 1933-6-24 Riverside Morongo Pass , Morongo Pass (Little San Bernardino Mountains) Comment
  VVC289  Krameria grayi W. W. Mayhew 1960-4-14 s.n. Riverside Colorado Desert, 3 miles NW of Palm Springs 85 Comment
  RSA543124  Lamarckia aurea Steve Boyd 1991-3-17 5474 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC1595558  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside e of Dorland Mountain (w of Kolb Creek, base of Agua Tibia Mountain, Vail Lake Area); Vail Lake Area, Agua Tibia Mountain 548 Comment
  POM2798  Larrea tridentata Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  RSA796459  Larrea tridentata Duncan S. Bell 2009-4-18 217 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC1922404  Larrea tridentata Naomi Fraga, Lisa Rojas 2005-2-10 1373 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCSB3566  Larrea tridentata Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone, Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  CAS-BOT-BC338921  Lasthenia californica H. M. Hall 1902-4-22 2941 Riverside Rialto. Vicinity of Riverside Comment
  CAS-BOT-BC338925  Lasthenia californica C. F. Baker 1904-4-4 4087 Riverside Elsinore Comment
  SEINET7073456  Lasthenia californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  CAS-BOT-BC353285  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside Vicinity of Riverside 396 Comment
  RSA12916  Lasthenia coronaria C. B. Wolf 1935-4-7 6306 Riverside 2 mi. SW of Perris. 427 Comment
  UCR177830  Lasthenia coronaria S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  CAS-BOT-BC328104  Lasthenia glabrata subsp. coulteri D. Bramlet 1995-5-5 2407 Riverside 7.5 km W of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  RSA0013138  Lasthenia glabrata subsp. coulteri LeRoy Gross, Caitlin Elam 2013-5-14 6075 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip., Started near 33.66575N, 116.66716W. 1332 Comment
  UC893747  Lasthenia gracilis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  UCR176886  Lasthenia gracilis Tracy Tennant 1998-6-5 1021 Riverside San Jacinto Valley, Stowe Road at California Ave., midway between Winchester and Hemet-Ryan Airport 457 Comment
  UCR183335  Lasthenia gracilis Mitch Provance 2003-4-26 9881 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR224454  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38806 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  RSA802253  Lathyrus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4999 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA802254  Lathyrus vestitus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5000 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA651396  Lathyrus vestitus subsp. laetiflorus Sandy Gray 1981-5-15 27 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  SD137783  Lathyrus vestitus var. alefeldii Darin L. Banks 1995-4-5 144 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail 651 Comment
  UC864430  Lathyrus vestitus var. vestitus P. A. Munz and I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  SD237493  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  POM30365  Layia glandulosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning Comment
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Mar 13 2011
  UC68881  Layia glandulosa H. M. Hall 1905-4-1 5771 Riverside Indian Well Colorado Desert, Indian Well Comment
  CAS-BOT-BC379672  Layia platyglossa Munz; Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  UC1537069  Layia platyglossa Gordon H. True Jr. 1935-3-16 91 Riverside Mockingbird Canyon 365 Comment
  POM30579  Layia platyglossa subsp. campestris Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA660657  Layia platyglossa subsp. campestris C. A. Schideler 1981-4-11 21 Riverside E on Cajalco Rd., mil. 520916. Comment
  UC218246  Lemna gibba P. A. Munz and I. M. Johnston 1922-5-19 5437 Riverside 1 mi from Garner Ranch (San Jacinto Mountains, Hemet Valley); San Jacinto Mountains, Hemet Valley 1386 Comment
  UCR91866  Leonotis nepetifolia A. C. Sanders, G. K. Helmkamp 1995-12-5 17931 Riverside Riverside, yard of O.F. Clarke, 1012 Spruce Street [now an apartment complex], near Canyon Crest Drive 300 Comment
  SD114969  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide; Santa Ana Mountains. Comment
  UC205107  Lepidium dictyotum D. Cleveland 1882-5-3 Riverside Temecula Plain Comment
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Nov 9 2009
  UCR228828  Lepidium dictyotum var. dictyotum A. C. Sanders, T. B. Salvato 2011-4-4 38972 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  JEPS53617  Lepidium fremontii E. E. Schellenger May 1920 Riverside s. Mecca (Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. Comment
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Sep 8 2011
  POM118639  Lepidium fremontii Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  UCR112961  Lepidium fremontii B. G. Pitzer, T. Tennant 1998-2-21 3541 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  UCR266340  Lepidium latipes D. E. Bramlet 1994-4-22 2371 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.7 km SW of Hemet at the Dilworth property, NE of Winchester, north of the railroad tracks and east of California Ave. 457 Comment
  RSA593694  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8632 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  CSUSB1413  Lepidium virginicum Mike Meloy 1964-4-22 640422 1 Riverside Box springs mountain, 50 yards south of big "C" 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
  UCR133111  Lepidium virginicum 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
  RSA716369  Lepidium virginicum var. robinsonii Scott D. White 2006-5-19 11475 Riverside South of Hemet, Santa Rosa Hills near Hemet Butte. 549 Comment
  RSA85151  Lepidium virginicum var. robinsonii J. C. Roos 1952-4-9 5475 Riverside Fairmount Park 259 Comment
  SD254575  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 miles ESE (97a^z) of Winchester (Winchester 7.5'Q) 608 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR112593  Lepidium virginicum var. robinsonii Mitch Provance 1998-2-17 77 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR250202  Lepidium virginicum var. robinsonii A. C. Sanders 2014-4-23 41047 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
  UCR266910  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  SD127552  Lepidospartum squamatum Reid Moran 1967-11-7 14647 Riverside 4 mi N of Palm Springs 299 Comment
  UCR177855  Lepidospartum squamatum Marisa Sripracha, K. A. Boyd 2004-3-21 047 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA0086969  Lepidospartum squamatum H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Gorgonio Wash, near Snow Creek Canyon. San Bernardino Mts. Comment
  SEINET10588834  Leptochloa fusca subsp. uninervia Paul M. Peterson 1988-8-24 Peterson 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), just N of Cedar and Mountain, NE end of Hemet. Sandy wash. Comment
  CDA29073  Leptochloa uninervia Mike Lahti 2008-12-12 PDR# 1509355 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. 0 Comment
  SEINET4854776  Leptodactylon californicum subsp. tomentosum C. Leo Hitchcock 1940-4-12 6041 Riverside 8 mi NW of Elsinore. 457 Comment
  JOTR31146  Leptodactylon pungens La Doux, Tasha 2009-6-3 1856 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  JOTR01154  Leptodactylon pungens Cole, James E. 1941-5-29 812 Riverside Joshua Tree National Park. STUBBE SPRING ROAD 1432 Comment
  POM99052  Leptosiphon floribundus E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  UC1930095  Leptosiphon liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Comment
  SBBG55791  Leptosyne calliopsidea D. Keil, M. McLeod 1977-3-26 12010 Riverside Hwy 71, ca. 8 mi NW of Lake Elsinore St Recreation Area 365 Comment
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Jul 15 2020
  UC856649  Lesquerella tenella C. L. Hitchcock 1940-3-31 5881 Riverside Cottonwood Springs 1/2 mi below Spring; Cottonwood Springs Comment
  UCR107388  Lessingia filaginifolia B. G. Pitzer 1997-3-23 2969 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR139966  Lessingia glandulifera var. glandulifera Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  RSA544405  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6373 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 Spings. Comment
  RSA632469  Ligustrum Scott D. White 1998-6-17 6753 -A Riverside Along Gavilan Rd. or Santa Rosa Mine Rd., ca. 7 miles survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 488 Comment
  UCR40359  Limnanthes gracilis subsp. parishii Tom Griggs, E. W. Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, Mesa de Colorado, on The Nature Conservancy Preserve, 4 mi. west of Murrieta Comment
  UCD105112  Limonium R. E. Riefner Jr. 2006-8-2 06 356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Rd. 289 Comment
  UCR187317  Limosella acaulis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1774 Riverside Peninsular Ranges; San Jacinto Mountains region, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA783373  Linanthus ciliatus J. D. Olmsted 1959-6-23 664 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild 1646 Comment
  JEPS58360  Linanthus dianthiflorus W. L. Jepson 1901-5-17 1238 a Riverside near San Jacinto Lake Comment
  SBBG98235  Linanthus dianthiflorus N. C. Cooper 1944-3-24 1014 Riverside Banning 701 Comment
  UC879931  Linanthus dianthiflorus P. A. Munz and I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley San Jacinto Mts. 1386 Comment
  POM364579  Linanthus dianthiflorus subsp. dianthiflorus E. Crow 1929-4-7 H.- 8284 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA775946  Linanthus jonesii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 936 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR214286  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37487 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA554129  Linanthus maculatus George K. Helmkamp 1992-4-16 92 -4 Riverside Coachella Valley, soft, sandy bench of Mission Creek, 0.4 miles S of Indian Ave. on old Hwy 62. [A few scattered plants found on N side of Mission Creek between Hwy 62 & old Hwy 62, but none S of creek or W of Hwy 62.] 20 Comment
  UC1608254  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Creek, from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  CLARK-A1528-3486  Linanthus pygmaeus John C. Roos 1950-4-22 4757 Riverside Reche Canyon 822 Comment
  RSA740081  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR35319  Linum lewisii L. B. Ziegler 1967-5-30 135 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley). 1372 Comment
  UCR103306  Loeseliastrum matthewsii George K. Helmkamp 1998-4-4 3151 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  POM127674  Loeseliastrum schottii E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  POM8008  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-2 3569 Riverside Ford's well, west of Blythe. 305 Comment
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Dec 13 2016
  SBBG64737  Loeseliastrum schottii M. N. Ackley -Apr-1928 845 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  CAS-BOT-BC342107  Logfia arizonica Steve Boyd 1986-5-1 1789 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  RSA741555  Lolium perenne Justin M. Wood 2008-11-17 234 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA234069  Lolium temulentum R. F. Thorne, E. Lathrop 1969-5-19 37982 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  UCR80526  Lomatium dasycarpum Scott D. White 1992-4-19 92- 129 Riverside San Jacinto Mountains, Garner Valley near Kenworthy Station Comment
  SEINET7063052  Lomatium utriculatum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  CAS-BOT-BC234887  Lonicera subspicata var. denudata No date on label s.n. Riverside San Jacinto Mts Comment
  RSA18956  Lotus argophyllus var. argophyllus Roxana S. Ferris, Ruth P. Rossbach 1938-5-19 9656 Riverside Lower edge of Pinon (Pinyon?) Belt desert side of divide Comment
  UCR6717  Lotus crassifolius Frank C. Vasek 1964-7-25 640725- 15 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  UCR26372  Lotus grandiflorus A. C. Sanders 1981-7-11 2207 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  SEINET7048200  Lotus hamatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33710 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UC15655  Lotus heermannii H. M. Hall 1897-1 Riverside San Jacinto Mountains 1828 Comment
  UCR193410  Lotus heermannii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35574 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. 1585 Comment
  RSA680834  Lotus heermannii var. heermannii Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8665 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA406728  Lotus nevadensis var. nevadensis N. C. Cooper 1944-6-16 1445 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  UCR17520  Lotus nevadensis var. nevadensis Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  POM230750  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  JOTR30145  Lotus rigidus La Doux, Tasha 2008-2-4 1710 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  UCSB16928  Lotus rigidus Dennis E. Breedlove 1962-3-11 1893 Riverside collected 8.0 mi SW, along State Highway 74 Palm Desert - Palm Desert and State Highway 74 640 Comment
  RSA0018564  Lotus rigidus Keith E. Hoffmaster 1937-6-6 808 Riverside San Jacinto Mtns: along Palms to Pines highway. 610 Comment
  RSA799918  Lotus strigosus Justin M. Wood, D. M. Ray 2011-4-28 3851 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
  UCR102933  Lotus strigosus George K. Helmkamp 1998-4-3 3080 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR151101  Lotus strigosus var. hirtellus Scott D. White, Julie Greene 1998-8-1 6970 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
  UCR164061  Lotus strigosus var. tomentellus A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29140 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR251673  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 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
  RSA406377  Lotus tomentellus M. B. Dunkle 1933-5-6 3447 Riverside Painted Canyon. Comment
  UCR6026  Lotus tomentellus A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 8.4 mi. NW of Palm Springs Post Office on Highway 111, 200 yards north of highway 244 Comment
  JEPS85675  Lupinus W. L. Jepson 1939-4-17 19122 Riverside on rd to Temecula 2 mi s Corona (Corona); s of Corona Comment
  RSA496358  Lupinus agardhianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3032 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  RSA414840  Lupinus arizonicus Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning Comment
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Oct 23 2011
  UC495147  Lupinus arizonicus Philip A. Munz 1932-3-14 11986 Riverside Deep Canyon Coachella Valley (Coachella Valley); , Deep Canyon 91 Comment
  UCR160076  Lupinus arizonicus Robin Schramm, R. Schoeninger 1998-3-14 16 Riverside Sonoran (Colorado) Desert, 0.5 miles north of I-10 fwy on Eagle Mtn Rd exit 305 Comment
  UCR200297  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11217 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
  SBBG35127  Lupinus bicolor T. L. Secrest 1948-4-10 Riverside near Sage Comment
  SD215534  Lupinus bicolor W. Wisura, A. King and L. Newcomb 1992-4-10 4672 Riverside Gorgonio Pass; Stubbe Canyon north of W-Palm Springs. Comment
  UCR182512  Lupinus bicolor Mitch Provance 2005-5-17 6570 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
  SD181516  Lupinus concinnus Scott D. White, Bill LaHaye 2000-5-27 7936 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. Common in burned areas. 1616 Comment
  RSA407142  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  OBI30747  Lupinus excubitus Rhonda Riggins 1982-4-15 1342 Riverside Roadside CA 371 in Anza Valley, 7.5 mi N jctn CA 79 in Aguanga Comment
  UC213289  Lupinus excubitus I. M. Johnston 1918-4-27 1869 Riverside near Elsinore; near Elsinore 396 Comment
  UCR146444  Lupinus excubitus var. hallii R. F. Thorne, Et al. 1969-6-24 38129 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  UCR142196  Lupinus hirsutissimus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR156461  Lupinus hirsutissimus T. B. Salvato, A. C. Sanders 2005-5-17 901 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
  SEINET8042261  Lupinus hirsutissimus Unknown 404 Riverside Boxsprings Mts. Comment
  UCR228258  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2011-4-1 38927 Riverside Peninsular Range, Lake Elsinore, near intersection of Pierce St., Baker St., and Nichols Rd., flats at south side of Alberhill Mtn. 389 Comment
  SD83396  Lupinus microcarpus var. densiflorus R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2063 Riverside Fig Tree Valley, sandy area along trail 690 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
  UCR78444  Lupinus sparsiflorus Scott D. White 1993-4-22 1244 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCSB3381  Lupinus sparsiflorus Graney, Don 1953-3-20 Riverside Arroyos of Whitewater Canyon, 1 mile from White Water, Colorado Desert Comment
  SEINET12154750  Lupinus sparsiflorus Unknown 1936-1 12819 Riverside San Jacinta Mts, S of Palm Springs Comment
  POM24304  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM266067  Lupinus sparsiflorus subsp. sparsiflorus C. Leo Hitchcock 1940-3-29 5852 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA263707  Lupinus truncatus E. W. Lathrop 1971-3-21 7457 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  RSA673477  Lupinus truncatus Scott D. White, Tasha La Doux 2000-4-20 7694 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA699814  Lupinus truncatus Scott D. White, Michael Honer 2003-4-4 8941 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA716384  Lupinus truncatus Scott D. White, Angelia Carey 2004-4-5 9998 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  POM12139  Luzula comosa Mary F. Spencer 1921-6-15 1278 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  POM13933  Lycium andersonii Philip A. Munz 1922-3-12 4710 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA0046718  Lycium andersonii Jim Andre 2014-1-27 26654 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR179764  Lycium andersonii R. E. Riefner Jr. 2006-5-23 06- 203 Riverside Temescal Canyon, near city of Corona, 0.25 mi. SE from Cajalco Rd. at Temescal Wash 254 Comment
  RSA0125267  Lycium brevipes Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8761 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA428584  Lycium brevipes var. brevipes Louis C. Wheeler 1931-11-26 384 Riverside 1/4 mi. SW Salton BM. Sea level. Comment
  POM250365  Lycium cooperi I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  SD259061  Lycium fremontii Sarah J. De Groot, Thomas Stoughton 2016-2-18 7626 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon. 185 Comment
  RSA370865  Lythrum californicum Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61277 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  SD187433  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR34958  Madia elegans subsp. wheeleri L. B. Ziegler 1968-6-12 312 Riverside San Jacinto Mtns, Thomas Mtn 1982 Comment
  SDSU13822  Madia gracilis W. Miller 1972-8-19 Riverside Comment
  RSA0008554  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  JEPS26394 Image available Malacothamnus densiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1, 1901 1387 Riverside Palm Canyon, San Jacinto Mts. Comment
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Dec 14 2017
  SDSU7520  Malacothamnus fasciculatus H. Wedberg 1962-5-23 949 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  CAS-BOT-BC345286  Malacothrix californica Marian L. Campbell 1921-3-19 17 Riverside Palm Springs Comment
  SD8990  Malacothrix californica Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  CAS-BOT-BC345426  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  CAS-BOT-BC347699  Malacothrix glabrata N. Aitkenhead 1977-2-2 2122 Riverside ~1 mi. from junction of JT Mon Rd & pipeline Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  RSA145914  Malacothrix glabrata William McKinley Klein 1958-2-11 32 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  SBBG100476  Malacothrix glabrata W. L. Halvorson 1977-3-8 77 -86 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  SD224860  Malacothrix glabrata G. K. Helmkamp 1998-4-4 3140 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) and CA hwy 177 (Desert Center-Rice Rd.) 456 Comment
  CAS-BOT-BC347891  Malacothrix saxatilis var. tenuifolia H. M. Hall 1901-6-1 2011 Riverside San Jacinto Mountains. Canyon of the San Jacinto River 609 Comment
  CAS-BOT-BC347895  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1931-6-4 6643 Riverside Summit of Jackrabbit Trail Comment
  SD129607  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek. 700 Comment
  SDSU13928  Malosma laurina Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2153 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  POM10402  Malvella leprosa Charlotte M. Wilder 1904-10 s.n. Riverside Between Elsinore and Corona. Comment
  RSA180304  Marah macrocarpa E. W. Lathrop 1965-4-4 5623 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA552761  Marah macrocarpa Steve Boyd 1992-3-31 6747 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  JEPS78484  Marah macrocarpa var. macrocarpa Marjorie D. Clary 1932-3-20 1476 Riverside 10 mi ne Garnet (Mission Creek); Colorado Desert, Mission Creek 457 Comment
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Apr 5 2011
  CAS-BOT-BC216180  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  UCR52003  Marina parryi Steve Boyd 1988-3-10 2131 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA776949  Marina parryi Amber Swanson 2011-3-19 242 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA667003  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR228922  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-3-28 38817 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  POM13828  Meconella denticulata P. A. Munz 1922-4-28 5040 Riverside Leach Canyon 610 Comment
  RSA543900  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  SD152792  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 Comment
  UCR51133  Meconella denticulata B. G. Pitzer, E. Misquez 1988-3-20 0671 Riverside Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 4 mi. west of El Cariso Village, just across the Hwy from Ortega Parks [Oaks?] Store 549 Comment
  UCR57131  Meconella denticulata Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  CLARK-A1528-5055  Medicago sativa John C. Roos 1951-9-25 5292 Riverside Riverside 259 Comment
  CSUSB1099  Medicago sativa Heather Johnston 1967-5-21 052167 3 Riverside By exit from route 395 onto Lawless Road. 365 Comment
  RSA192125  Medicago sativa H. A. Zuill 1966-6-27 256 Riverside Between Tenaja Guard Station and the Main Divide Truck Trial. Comment
  SBBG122770  Melica frutescens A. Parikh 1990-5-8 164 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1 km E of Old Elsinore Rd 518 Comment
  SDSU17522  Melica frutescens Jerry Jenkins 2001 -035 Riverside Santa Margarita Ecological Reserve. West shore of S.M. river, on granite bluffs. UTM zone 6, 481900E, 3699850N. UTM transfered to GIS. 165 Comment
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Aug 11 2017
  CAS-BOT-BC281599  Melica imperfecta H. M. Hall 1901-6-1 2079 Riverside In the vicinity of Chalk Hill, San Jacinto Mts 1463 Comment
  RSA403495  Melica imperfecta Ora M. Clark 1929-3-16 1700 Riverside San Jacinto Mountains Comment
  UCR41432  Melilotus albus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  RSA735073  Melinis repens Scott D. White, Justin M. Wood 2007-4-16 11652 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR108743  Mentzelia affinis Scott D. White 1998-3-3 6088 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  UCR193329  Mentzelia dispersa A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35593 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA440413  Mentzelia involucrata L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  UCR119342  Mentzelia involucrata B. G. Pitzer 2000-5-7 4134 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCSB4221  Mentzelia involucrata Atsatt, Pete 1958-3-21 Riverside 1.5 miles from town of Whitewater, U.S. Highway 66 & 99; up Whitewater Canyon 518 Comment
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Nov 19 2014
  CSUSB821  Mentzelia involucrata var. megalantha Wayne White 1974-5-24 Riverside Chuckwalla Mountains, Colorado Desert On Highway I-10 near Red Cloud Road; Chuckwalla Mountains in Colorado Desert 609 Comment
  UCD84490  Mentzelia longiloba Chuck Hughes 2010-6-13 148 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  CAS-BOT-BC170850  Mentzelia veatchiana R. F. Hoover 1969-4-11 11212 Riverside Mouth of Morongo Valley Canyon Comment
  RSA740070  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR77624  Mesembryanthemum nodiflorum D. E. Bramlet, Steve Boyd, A. C. Sanders, Fred M. Roberts 1992-5-21 2291 Riverside San Jacinto Valley, c. 8 km SW of Hemet, NW of intersection of California Ave. & Stowe Rd. 456 Comment
  UCR226075  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2011-4-1 38944 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  RSA652926  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA0018788  Mimetanthe pilosa Steve D. Boyd, Tim S. Ross 1991-6-8 6328 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  JOTR30253  Mimulus aurantiacus Leary, C. and Leary, Pat 1979-5-6 3024 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  UCR280951  Mimulus aurantiacus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 66 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  RSA519233  Mimulus aurantiacus var. pubescens Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA60830  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi. east of Temecula. Comment
  UC943851  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 C Riverside Temecula Grade Comment
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA719268  Mimulus bigelovii Michael Honer, L. Hulse 2004-4-3 1899 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  UC672455  Mimulus brevipes H. L. Mason 1926-4-30 3121 Riverside Temecula to Pala (Pala Grade); Temescal Canyon Comment
  UCR220127  Mimulus brevipes D. E. Bramlet 1989-4-7 1823 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UCR281481  Mimulus brevipes Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 79 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  UCR193862  Mimulus floribundus A. C. Sanders, Mitch Provance 2008-7-11 35768 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
  UCR30842  Mimulus fremontii var. fremontii A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3869 Riverside San Jacinto Mtns, Black Mountain: Forest Road 4S01, 3.9 mi above Hwy 243 2012 Comment
  JEPS10588  Mimulus pilosus W. L. Jepson May 17 1901-Jun 1 1901 1583 Riverside wash near Corona Comment
  JOTR32389  Mimulus pilosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2493 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
  POM157886  Mimulus pilosus P. A. Munz 1927-5-20 10798 Riverside Murrieta Hot Springs. Comment
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UC26914 Image available Mimulus pilosus J. W. Toumey 1899-9-27 Riverside Banning Comment
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Mar 13 2011
  UCR194225  Mimulus pilosus Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CLARK-A1528-4269  Mimulus puniceus John C. Roos 1937-5-10 2334 Riverside Elsinore Comment
  RSA719779  Mimulus suksdorfii Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1736 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UC27010  Mimulus tilingii H. M. Hall Jul. 1901 2472 Riverside Tauquitz Valley San Jacinto Mountains 2590 Comment
  CLARK-A1703-67  Mirabilis bigelovii Donna Lee Hobbs 1962-3-18 3-18- 62 -26 Riverside Whitewater Canyon Comment
  SEINET186897  Mirabilis bigelovii var. retrorsa P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of boulevard to Indio Comment
  SEINET204358  Mirabilis californica R. Bacigalupi, L Heckard 1962-3-25 8405 Riverside Nr hdwtrs Temescal Wash/Canyon W base Estelle Mt opposite Indian Cyn 3.3 mi NW Alberhill on Hwy 71 305 Comment
  UCR132705  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCR215523  Mirabilis laevis Daphne K. Christopher, Hannah Stevens 2003-4-6 101 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 540 Comment
  UC75793  Mirabilis laevis var. crassifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA701029  Mirabilis laevis var. glutinosa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA49185  Mirabilis laevis var. retrorsa P. A. Munz 1949-4-12 13036 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  SEINET3142126  Mirabilis laevis var. retrorsa J. Keck 1935-4-15 3841 Riverside Lower Morongo Canyon Comment
  UC851737  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi below Cottonwood Springs, Joshua Tree National Monument Comment
  SEINET8255138  Mohavea D. W. McNeal 1988-3-18 3230 Riverside bottom of Mecca Canyon beside Hwy. #195, 9.5 mi. sw. of Interstate #10 s. of Joshua Tree Nat. Mon. Comment
  UCR148330  Mohavea confertiflora 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
  UCR110408  Mollugo verticillata A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23178 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA0005446  Monardella hypoleuca D. L. Banks 1997-2-5 1256 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., Including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  POM12918  Monardella linoides subsp. linoides P. A. Munz 1922-6-30 5921 Riverside Santa Rosa 1982 Comment
  CLARK-A1528-3179  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  HSC86859  Monardella nana K. Harper 1988-5-14 Riverside San Jacinto Mtns., lower 5 mi. of the graded dirt rd. from Hwy. 74 to Santa Rosa Mtn. Comment
  RSA750402  Monardella nana subsp. arida Elizabeth McClintock 1940-9-1 s.n. Riverside San Jacinto Mts. Trail between Tahquitz Valley and Hidden Lake. Comment
  UCR221484  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 069 Riverside Peninsular Range; Santa Rosa Mtns., 3 miles east of Ribbonwood Camp [Pinyon Flat], Pines to Palms Highway 1220 Comment
  RSA651653  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA750307  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 123 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UCR221469  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  SEINET10895197  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 39 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  UC75893  Monolopia lanceolata Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA94162A  Monoptilon bellidiforme F. W. Peirson 1928-4-24 7899 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  JOTR28937  Monoptilon bellioides La Doux, Tasha 2005-3-30 1173 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR31922  Monoptilon bellioides La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2164 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  POM13677  Monoptilon bellioides E. C. Jaeger 1923-3-18 1033 Riverside Painted Canyon near mecca. Comment
  RSA778233  Monoptilon bellioides Duncan S. Bell 2009-3-8 38 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCSB10245  Monoptilon bellioides Phillips, Priscilla 1958-3-22 Riverside South entrance to Joshua Tree Monument Comment
  CAS-BOT-BC444629  Montia chamissoi H. M. Hall 1901-7-1 2362 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2743 Comment
  CAS-BOT-BC275295  Muhlenbergia microsperma Munz; Harwood 1920-2-28 3238 Riverside 2 miles SE of Corona 274 Comment
  UC1584117  Muhlenbergia microsperma Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3840 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (and adjacent benches on s flank of 'Big' Oak Mtn.); Vail Lake area 396 Comment
  RSA403609  Muhlenbergia richardsonis Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  RSA750555  Muilla maritima Scott D. White, Justin M. Wood 2009-5-21 12882 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR42546  Muilla maritima B. G. Pitzer 1986-4-26 0182 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SDSU13692  Myriopteris newberryi James C. Dice, Tu Chung 1987-10-19 738 C 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
  UC880823  Nama demissa var. demissa I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs Comment
  RSA719037  Nama hispida Michael Honer 2005-3-11 2063 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  CAS-BOT-BC259971  Nassella lepida Steve Boyd 1986-5-7 1828 Riverside Alberhill Mountain: Lower slopes of S flank, just E of claymine area Comment
  UCD48339  Navarretia atractyloides K. Esau 1935-6-15 Riverside Riverside County. Comment
  OBI11307  Navarretia fossalis Robert F. Hoover 1968-1 Riverside Comment
  RSA623558  Navarretia fossalis R. E. Riefner 1998-7-10 98 -415 Riverside Menifee Valley Comment
  SD135281  Navarretia fossalis Craig Reiser 1992-5-9 Riverside Hemet, corner of Stowe and California Streets. Massive vernal pool. (IPB 3/06) Comment
  UCR166713  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  UCR222306  Navarretia intertexta R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55217 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  UC472774  Nemacaulis denudata var. gracilis P. C. Standley 1920-4-6 1376 Riverside in vupibus pr. Palm Springs; Colorado Desert 121 Comment
  RSA439263C  Nemacladus glanduliferus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  POM316395  Nemacladus glanduliferus var. glanduliferus P. A. Munz, D. D. Keck 1922-4-9 4824 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA0126315  Nemacladus longiflorus var. longiflorus Charlotte M. Wilder 1905-05 s.n. Riverside Wilders Canyon, Riverside. Comment
  JEPS5405  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 B Riverside Temecula River; sw Riverside County Comment
  SEINET10939171  Nemacladus pinnatifidus Willis L. Jepson 1901-5-30 Jepson 1555 B Riverside Flood bed. Temecula River, southwestern Riverside County Comment
  SEINET3815124 Image available Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4473 Riverside Near summit of grade along State Hwy 79, 3/4 mile south of Sage 762 Comment
  RSA522262  Nemacladus rubescens Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6480 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  RSA79151  Nemacladus rubescens P. A. Munz, Percy C. Everett 1952-5-2 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  JOTR35435  Nemacladus sigmoideus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 41 Riverside Joshua Tree National Park. Little San Bernardino Mtns; upper reaches of Fan Canyon W of Juniper Flats Comment
  JOTR33970  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding 2010-4-7 2858 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 Comment
  CSUSB122  Nemophila menziesii var. menziesii Kenneth Hibberd 1966-2-20 Riverside Arlington Ave., 1 mile east of Victoria Street, 100 yards south of road. City of Riverside. 304 Comment
  RSA511361  Nemophila pedunculata B. Pitzer, E. Misquez 1988-3-20 666 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 549 Comment
  POM13032  Nicotiana clevelandii Philip A. Munz, D. D. Keck 1922-4-13 4921 Riverside Shavers Well, near Mecca. 91 Comment
  SDSU13689  Nicotiana glauca James C. Dice with J. Dewald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 247 Comment
  UCR176679  Nicotiana glauca G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR176697  Nicotiana glauca R. D. Goeden 1966-1-20 s.n. Riverside Riverside, UCR Campus, near reservoir 366 Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SEINET12808835  Nicotiana obtusifolia Chris Dietrich, M. Merello, & H. Schmidt 1994-1 20 Riverside 9 mi NNW of Indio, off Dillon Road 1.9 mi NE on Berdoo Canyon Road (J241). BLM Land. Desert Access Guide Map #17. 358 Comment
  UCD126754  Nicotiana obtusifolia H. S. Yates 1936-4-7 5448 Riverside 8 miles north of Mecca. 457 Comment
  UCR139381  Nicotiana obtusifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR174031  Nicotiana quadrivalvis A. C. Sanders 2006-5-19 32426 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
  UCR18845  Nolina parryi John C. Roos 1965-7-8 s.n. Riverside San Jacinto Mtns., Thomas Valley at the Pathfinder Camp. Comment
  CAS-BOT-BC71160  Notholaena californica P. A. Munz; I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  RSA686403  Notholaena californica Anstruther Davidson 1893-4-10 114 Riverside Palm Springs. Comment
  UC197907  Notholaena californica S. B. and W. F. Parish 1882-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Mar 9 2011
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  CLARK-A1528-3542  Notholaena parryi John C. Roos 1948-5-15 3849 Riverside Eagle Mountain Comment
  UCR132749  Notholaena parryi Scott D. White 1993-2-5 1048 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR14367  Oenothera bistorta Steven Wickler 1974-4-21 003 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  UC702812  Oenothera californica subsp. californica Charles B. Fiker 1946-5-30 3493 Riverside dip s Temecula bridge (on Hwy 395) Comment
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Aug 12 2016
  SEINET10492359  Oenothera decorticans David B. Dunn 1946-3-16 Dunn 2080 Riverside Collected on arid slope in pushawalla canyon about 1 mi above the main palm group. Indio hills. Comment
  RSA726579  Oenothera deltoides Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1428 Riverside Along Palen Road near Hwy 177. 170 Comment
  SEINET7909439  Oenothera scapoidea P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  CAS-BOT-BC427456  Oligomeris linifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2128 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  CAS-BOT-BC427470  Oligomeris linifolia John Thomas Howell 1928-1-28 3281 Riverside Thousand Palms, Colorado Desert Comment
  RSA457800  Oligomeris linifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2199 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA709899  Oligomeris linifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4601 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR68715  Oligomeris linifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4574 Riverside Agua Tibia Mtns., Vail Lake area, steep SE flank of Oak Mountain, above NE end of lake. 549 Comment
  RSA0012647  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  SBBG67466  Olneya tesota M. N. Ackley 1928-3-31 618 Riverside Hidden Spring Cyn 243 Comment
  SD237345  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development. 363 Comment
  UCR252209  Oncosiphon piluliferum J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR96902  Oncosiphon piluliferum D. E. Bramlet 1992-5-6 2265 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Wildlife Area, c. 920 m NW of Lakeview, 487 m west of Davis Rd. and 46 m north of Marvin Rd 433 Comment
  RSA0097547  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18413 Riverside San Gorgonio River, 2 km SW of Cabazon, 27 km WNW of central Palm Springs, 14 km WSW of the historical site of Whitewater. 513 Comment
  POM83411  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  RSA709916  Opuntia basilaris var. basilaris Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground., Between N33deg 37' 15'', W115deg 19' 39'' and N33deg 36' 52, W115deg 19' 54. 503 Comment
  UCR1489  Opuntia basilaris var. basilaris Howard York 1962-4-6 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, 2.5 miles up canyon from Hwy 99 [now frontage rd. just north of I-10] 'alt. 1500 ft. 549 Comment
  CAS-BOT-BC56829  Opuntia chlorotica Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET9037739 Image available Opuntia phaeacantha M. A. Baker 2015-1 18327 Riverside San Gorgonio Pass, 8km east of Banning, 30km WNW of Palm Springs, 4km WNW of Cabazon 646 Comment
  RSA524212  Opuntia vaseyi B. D. Parfitt, A. C. Sanders, R. Anthony 1986-4-18 3486 Riverside University of California Riverside: Botanical Garden Entrance. Native on grassy slopes across walk in front of herbarium. 335 Comment
  RSA594513  Opuntia vaseyi D. L. Banks, Rashmi Pant 1996-5-13 1018 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79,, just S of the Cleveland National Forest Boundary. 396 Comment
  NY9649  Orcuttia californica C. W. Thorne 1975-8-29 47318 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR217551  Orcuttia californica Diane Menuz 2009-5-14 492 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  UCR16339  Orobanche bulbosa Charles Prentiss 1966-5-5 s.n. Riverside San Jacinto Mtns., road to Lake Fulmor, 1 mi. below lake 1524 Comment
  UC68787  Orobanche cooperi E. E. Schellenger Riverside Colorado Desert, Santa Maria Mountains Santa Maria Mountains; Colorado Desert, Santa Maria Mountains Comment
  RSA0076581  Orobanche cooperi Gary Wallace 1967-4-29 721 Riverside NE of the Coxcomb Mtns., 15 mi NE of Desert Center along Parker Dam Hwy. Comment
  RSA0059226  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert, 4 mi. So. of Brown's Well, on the Blythe-Rice road. 213 Comment
  UCR132658  Orobanche fasciculata L. F. LaPre 2001-5-13 s.n. Riverside San Jacinto Mtns., Bautista Canyon, section 1 1280 Comment
  UCR58949  Orobanche fasciculata Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  CAS-BOT-BC500137  Orobanche fasciculata Ivan Johnston 1917-4-4 1102 Riverside Andreas Canyon 243 Comment
  RSA487430  Orthocarpus purpurascens 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
  RSA359869  Orthocarpus purpurascens Steve D. Boyd 1986-4-2 1612 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA648279  Orthocarpus purpurascens var. purpurascens Margaret Murphy 1983-4-15 0014 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA0080081  Oryzopsis hymenoides A. R. Roos 1937-4-18 s.n. Riverside Snow Creek. Comment
  RSA574735  Oxalis albicans subsp. californica Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills regiion, upper western flank of Estelle Mountain. 671 Comment
  SD129364  Oxalis californica Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area: along Los Gatos Road, I(c) mile south of Buena Vista Road (2 miles west of Sandia Canyon and 0.1 mile north of San Diego County line). 366 Comment
  RSA751627  Oxalis pes-caprae G. Gust, L. Nye 2005-3-11 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 Comment
  UC219562  Oxytheca emarginata P. A. Munz 1922-6-24 5793 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1432 Comment
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Mar 25 2011
  UCR35081  Oxytheca trilobata L. B. Ziegler 1964-7-26 06 Riverside San Jacinto Mtns., Upper Herkey Creek on road to May Valley 1585 Comment
  UCR55276  Oxytheca trilobata Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  SD1660  Paeonia californica Edmund C. Jaeger 1925-2-1 Riverside Joseph CaA'on near Corona. 975 Comment
  UC1979663  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  CAS-BOT-BC327890  Palafoxia arida Carl B. Wolf 1932-5-25 3684 Riverside San Gorgonia Wash, on road to Snow Creek Canyon 365 Comment
  CAS-BOT-BC327938  Palafoxia arida L. A. Greata 1905-4-1 421 Riverside Coachella Comment
  RSA779596  Palafoxia arida Duncan S. Bell 2009-3-7 28 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA278961  Palafoxia arida var. arida B. A. Prigge, L. Martinez 1978-3-23 2406 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 244 Comment
  RSA489136  Palafoxia arida var. arida Don Pendleton 1988-5-17 s.n. Riverside Blythe, in a lemon orchard on the mesa W of town. Comment
  UC1537047  Palafoxia arida var. arida Gordon H. True 1938-3-15 976 Riverside e Indio (near Kane Springs) 3 Comment
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Feb 24 2013
  UC831417  Palafoxia arida var. arida Lewis S. Rose 1938-12-19 38327 Riverside 6 mi s Cathedral City 45 Comment
  UCR239246  Palafoxia arida var. arida Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-1 722 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  UCR277798  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-1-15 42666 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, wash below Canyon Spring in side canyon off Salt Creek, c. 1.5 miles below Red Canyon confluence 345 Comment
  UCR113876  Panicum capillare Mitch Provance, A. C. Sanders 2000-7-4 2085 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  LA8568  Panicum hirticaule Marcus E. Jones; 1929-9-16 sn Riverside Desert Center Comment
  CAS-BOT-BC253898  Panicum urvilleanum A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16246 Riverside San Jacinto Mountains/San Gorgonio Pass: at the mouth of Snow Creek, between Highway 111 and Snow Creek Village, ca. 1 mile E of Snow Creek Road Comment
  RSA359884  Parietaria hespera var. californica Steve D. Boyd 1986-4-2 1596 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA314455  Parietaria hespera var. hespera Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55462 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR25062  Parthenium hysterophorus L. Ziska 1981-11-15 s.n. Riverside City of Riverside, Agricultural operations fields on the campus of University of California, Riverside. Field # 10? near a guayule planting. Comment
  UCR89828  Paspalum distichum 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
  SEINET3102119  Pectis papposa Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17460 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  CAS-BOT-BC355865  Pectis papposa var. papposa S. B. Parish 1912-10-11 8371 Riverside Salton Basin. Flats near Mecca -57 Comment
  RSA708432  Pectocarya linearis Scott D. White 2005-3-29 10847 Riverside Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SD236234  Pectocarya linearis John F. Green 2006-4-18 Riverside NE of Murrieta, just S of Los Alamos Road (Clinton Keath Rd) on E and W sides of Liberty Road border between City of Murrietta and unincorporated French Valley (Murrieta 7.5'Q) 415 Comment
  SD247368  Pectocarya linearis A. C. Sanders, Jake Schweitzer and Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.25 miles NNE f One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  SEINET998821  Pectocarya linearis Mitch Provance 2003-1 6602 Riverside San Bernardino Valley: Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge. 244 Comment
  UCR241691  Pectocarya linearis T. B. Salvato 2013-3-22 7401 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  SEINET7882516 Image available Pectocarya linearis Jean Coulson 1959-1 127 Riverside U. C. R. Campus, Riverside County, California, 200 yds. S. of water tank. Comment
  OBI23292  Pectocarya linearis subsp. ferocula Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  RSA689498B  Pectocarya linearis subsp. ferocula Scott D. White 2001-4-19 8374 -B Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR282315  Pectocarya linearis subsp. ferocula Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 863 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR216116  Pectocarya platycarpa Jim Andre, T. La Doux 2009-2-25 10815 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  POM368817  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR233173A  Pectocarya recurvata Jim Andre, Glenn L. Clifton 2011-2-22 17436 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCSB41268  Pectocarya setosa Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W on Hwy. 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Berndo. Nat. Forest; Whittaker transect #W-221 1180 Comment
  RSA651837  Pellaea andromedifolia W. A. Peard 1949-2-4 s.n. Riverside Kroonen Canyon, Corona. 365 Comment
  RSA689566  Pellaea andromedifolia Scott D. White, Michael Honer 2003-4-25 9118 Riverside Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA686749  Pellaea andromedifolia var. andromedifolia Christopher Davidson, B. Gustafson 1977-4-7 5592 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  SDSU12874  Pellaea andromedifolia var. andromedifolia J. Jill Steinberg, Janet Knotts and Kevin Contreras 1998-3-25 30 Riverside At switchback in road from Santa Margarita (SDSU) Field Station trailer leading down into Santa Margarita River Gorge, north of river. 256 Comment
  IRVC3153  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  RSA771794  Pennisetum setaceum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4471 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 W116.64309 487 Comment
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Sep 9 2012
  SD73461  Penstemon E. W. Lathrop 1969-5-29 7082 Riverside 8 miles west of Murrieta on the Main Divide Truck Trail between Tenaja Rd. and Los Alamos Canyon, along stream Comment
  NY1084028  Penstemon X parishii C. B. Wolf 1938-6-11 9416 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  POM49149  Penstemon centranthifolius Philip A. Munz 1924-5-18 8132 Riverside 18 miles from Banning on Idyllwild Road Alt. 1524 Comment
  RSA507962  Penstemon centranthifolius Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR24780  Penstemon centranthifolius W. W. Mayhew 1981-4-23 s.n. Riverside Santa Rosa Mtns, Near the intersection of Carrizo Road and Hwy 74 1052 Comment
  POM263058  Penstemon clevelandii subsp. connatus J. C. Roos 1941-5-10 128 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  RSA408448  Penstemon grinnellii M. B. Dunkle 1933-7-21 s.n. Riverside Idyllwild. 1616 Comment
  RSA0014859  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  RSA653390  Penstemon spectabilis Mitch Provance 1998-6-11 682 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  NY661179  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-25 487 Riverside Santa Rosa Mountain Truck Trail, San Jacinto Mountains, Palms to Pines Highway 1676.4 Comment
  SEINET9628509 Image available Pentagramma triangularis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23110 Riverside Along steep bank, 10 mi N of Pala, along road to Elsinore. Comment
  CAS-BOT-BC73729  Peritoma arborea var. arborea N. Aitkenhead 1977-1-31 2214 Riverside ~1 mi. W. of dillon Rd. - T/L junction in N. Palm Springs Comment
  RSA305912  Perityle emoryi Fay A. MacFadden 1940-3-17 15304 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Riverside Co. Comment
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Oct 16 2011
  RSA4935  Perityle emoryi C. B. Wolf 1932-4-27 3062 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA736585  Perityle emoryi Keith E. Hoffmaster 1933-4-14 369 Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  UC306393  Perityle emoryi Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  CAS-BOT-BC419047  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  JOTR30075  Petalonyx thurberi subsp. thurberi La Doux, Tasha, Bill Truesdell 2006-10-3 1718 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA709856  Peucephyllum schottii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4608 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR41424  Peucephyllum schottii A. C. Sanders 1985-12-22 5962 B Riverside Coachella Valley, foot of the Santa Rosa Mountains, W end of Ave. 74, 2.6 mi west of Polk Street. Southern edge of Martinez Canyon. 122 Comment
  RSA94111  Peucephyllum schottii F. W. Peirson 1918-03 1244 Riverside SE side of desert embankment at Palm Springs and almost opposite Andreas Canyon. Comment
  CHSC8289  Phacelia Edward L. Smith 1958-3-22 409 Riverside Located in sand dunes 3 mi. s of Rice, Calif. Little Santa Maria Mts. 335 Comment
  RSA0106803  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  RSA428309B  Phacelia Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert Road to Indio. [county not specified] Comment
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Jan 24 2015
  POM98706  Phacelia ambigua P. A. Munz 1926-1-31 9958 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA124330  Phacelia ambigua Percy C. Everett, E. K. Balls 1958-4-29 23011 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA427705A  Phacelia ambigua Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA791582  Phacelia ambigua var. minutiflora D. Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 137 Comment
  RSA600  Phacelia brachyloba J. T. Howell 1927-8-2 561 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA0003811  Phacelia californica var. jacintensis E. C. Jaeger 1922-7-1 1045 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  SDSU18657  Phacelia campanularia subsp. vasiformis Michael G. Simpson, Kristen Hasenstab 2008-4-2 2947 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UC881077  Phacelia cicutaria var. hispida C. L. Hitchcock 1940-4-12 6040 Riverside 8 mi nw Elsinore 457 Comment
  UCR241819  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR104637  Phacelia ciliata D. E. Bramlet 1996-4-12 2451 Riverside San Jacinto Wildlife Area. 46m S and 23m west of the N end of Pond No. 1. 1.4 km NE of the reserve at Davis rd. 433 Comment
  SFV5032  Phacelia crenulata F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UCR16832  Phacelia crenulata W. C. Anderson 1968-4-22 680422- 9 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  UCD120369  Phacelia crenulata var. ambigua P. C. Everett; E. K. Balls 1958-4-29 23011 Riverside U.S. Hwy. 60/70, Indio to Blythe, 6.5 mi. e. from jct. with U.S. Hwy. 99. 243 Comment
  UCR269869  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2016-3-18 42369 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  JOTR28949  Phacelia distans La Doux, Tasha 2005-3-30 1185 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA335347  Phacelia distans D. A. Hoover 1985-4-21 383 Riverside Canyon east of the upper Desert wash trail, Southeast of Morongo Valley 793 Comment
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Dec 3 2014
  RSA444326  Phacelia distans Walter Wisura 1988-3-1 4194 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  SBBG6165  Phacelia distans C. H. Muller 1952-4-6 9509 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  UCR98861  Phacelia distans A. C. Sanders, G. Helmkamp 1997-3-15 19986 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  SD72110  Phacelia imbricata subsp. patula John Thomas Howell 1927-8-2 2915 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto. Comment
  RSA28081  Phacelia minor I. L. Wiggins 1941-3-27 9707 Riverside 4 mi. north of Whitewater. Comment
  SBBG55031  Phacelia minor D. Keil, M. McLeod 1979-3-18 12968 Riverside Alberhill Jct along St Hwy 71 365 Comment
  SDSU13339  Phacelia minor C. Matt Guilliams 2000-4-29 10 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  SFV17400  Phacelia minor M. S. Valenzuela, P. Wilson 1998-6-2 66 Riverside Highway 74, dirt road near mile marker 54. Comment
  UCR207553  Phacelia ramosissima O. F. Clarke 2005-5-12 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  POM122256  Phacelia ramosissima var. latifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA74706  Phacelia rotundifolia F. W. Peirson 1919-4-13 4125 Riverside Alkali Canyon, eastward from Palm Canyon; Colorado Desert. Comment
  UCR76159  Phalaris minor A. C. Sanders 1993-4-1 76159 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR199940  Phalaris paradoxa Scott D. White, Justin Wood 2008-5-13 11954 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  RSA91911  Phleum alpinum F. W. Peirson 1924-7-27 4996 Riverside Deer Springs, San Jacinto Mountains 2668 Comment
  RSA40604  Phlox austromontana J. C. Roos 1946-8-27 2922 Riverside Santa Rosa Mountains. 2287 Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  SEINET7048058  Phoradendron californicum Steven R. Hill 2001-4-29 33535 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
  UCR17964  Phoradendron californicum A. C. Sanders 1976-4-20 882 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR52006  Phoradendron californicum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA612203  Phoradendron densum N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  UCR270703  Phoradendron densum John F. Emmel 1998-8-3 1583 Riverside Peninsular Range, north end of the Santa Rosa Mountains, south base of Sugarloaf Mountain, Pinyon Flat 1220 Comment
  UCR94061  Phoradendron densum Duayne Haselfeld 1996-7-2 4264 Riverside San Jacinto Mtns., Pinyon Flat Area, north of Hwy 74, c. 10 road miles east of jct. w/ Hwy 371. W facing slope of Sugerloaf Mtn. and adjacent valley 1400 Comment
  CAS-BOT-BC135181  Phoradendron juniperinum Edmund C. Jaeger 1922-6-20 s.n. Riverside Caramba Camp. Tacquitz Creek, San Jacinto Mts. Comment
  SD187490  Phoradendron macrophyllum Scott D. White, Angelia Carey 2004-4-16 10156 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  SEINET4567399  Phoradendron villosum R. L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1219 Comment
  POM172734  Phragmites australis M. French Gilman 1930-4-6 s.n. Riverside [Monsen] Canyon, Eagle Mts. Comment
  POM214537  Phragmites australis Joseph A. Ewan 1932-4-8 7044 Riverside Seven Palms near Garnet Comment
  UC699665  Phyla lanceolata Kay H. Beach 1942-10-22 1660 Riverside three mi nw Corona city limits (along Chino Creek); along Chino Creek 198 Comment
  RSA611912  Physalis crassifolia C. Epling 1934-10 s.n. Riverside Palms to Pines Hwy. Comment
  SBBG88687  Physalis crassifolia K. K. Muller 1971-11-7 2982 Riverside just S of US 60 opposite S entrance to Joshua Tree Nat Monument Comment
  SD181326  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Southern Foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, wash, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe 89 Comment
  UC724160  Physalis crassifolia Aven and Ruth Nelson 1939-3-29 3327 Riverside near Hidden Spring (a few mi from Mecca) Comment
  SD235051  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knolls of Riverside: Riverside, Versity Hill (Coyote Hill), S side of the UCR campus. 417 Comment
  RSA0126964  Physalis philadelphica R. E. Riefner 2017-5-18 17 -260 Riverside City of Hemet, E. of Winchester, N of Simpson Road, E. of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  JOTR35302  Physaria tenella Andre, Jim 2012-4-11 20800 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA206502  Pilularia americana E. W. Lathrop 1969-5-12 7034 Riverside 6 mi W of Murrieta, Mesa de Colorado of the Santa Rosa Plateau 625 Comment
  CAS-BOT-BC78556  Pinus coulteri P. C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (N.) main divide motorway 1219 Comment
  CAS-BOT-BC78594  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  JEPS46817  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
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Apr 11 2014
  UCR55209  Pinus lambertiana J. A. Adams 1965-7-3 341 Riverside San Jacinto Mtns., Azalea Canyon above campground 1829 Comment
  CLARK-A1656-882  Pinus monophylla Jim Cornett 1977-7-14 Riverside San Jacinto Mountains 1341 Comment
  SBBG56389  Pinus murrayana R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  RSA356996  Pinus quadrifolia Robert F. Thorne, P. Everett 1966-10-18 41854 Riverside Santa Rosa Mountains Comment
  RSA479441  Pinus quadrifolia Lyman Benson 1962-2-17 16139 Riverside 1/2 mile SW of Jct of Palms-to-Pines Rd and Hwy 243 to Anza. 1220 Comment
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  UCSB46880  Pinus quadrifolia Roos, John 1965-8-18 Riverside Summit of Pines to Palm Hwy., Thomas Valley, San jacinto Mtns. Comment
  UCSB26244  Piperia transversa Gliessman, Stephen 1968-7-24 Riverside 50 yards south of Saunders Road; 0.1 mile east of junction with Idyllwild Road; San Jacinto Mountains 1584 Comment
  CAS-BOT-BC170425  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 400 Comment
  SD227712  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. Comment
  UCR90960  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-16 3832 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR92660  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-23 3843 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UCR97467  Pityrogramma triangularis var. triangularis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19892 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  CLARK-A1528-2260  Plagiobothrys canescens John C. Roos 1966-3-24 Riverside Winchester Comment
  UCR266807  Plagiobothrys canescens Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 10 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR231779  Plagiobothrys collinus John F. Green 2008-4-23 08- 23 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
  POM13769  Plagiobothrys collinus var. californicus P. A. Munz 1922-4-29 5089 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA716876  Plagiobothrys collinus var. californicus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25847 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SD6744  Plagiobothrys collinus var. fulvescens Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains Comment
  UCR180146  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-26 9895 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR265816  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-5-24 512- 06 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UCR273791  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-4-20 412- 26 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  UC551786  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  UCR225583  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-29 38872 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  JEPS127776  Plantago ovata Adam C. Schneider with Will Freyman 2014-2-16 411 Riverside East side of Highway 177. Comment
  RSA778627  Plantago ovata Duncan S. Bell 2009-3-8 68 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  RSA781617  Plantago ovata Duncan S. Bell 2009-3-8 85 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  UC1279712  Plantago ovata David B. Dunn 1948-2-21 3686 Riverside n of Pushawalla Comment
  UCR103575  Plantago ovata George K. Helmkamp 1998-1-17 2527 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR227087  Plantago ovata Jim Andre 2011-2-9 15927 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
  RSA503143  Plantago ovata var. fastigiata Gary D. Wallace 1966-3-26 232 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat'l For. 427 Comment
  SD258963  Plantago ovata var. fastigiata Sarah J. De Groot, Thomas Stoughton 2016-2-18 7612 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon. 181 Comment
  UCR84590  Plantago patagonica Scott D. White, S. Ogg 1994-4-21 1972 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR182820  Platanus racemosa R. E. Riefner Jr. 2006-9-19 06- 445 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River 301 Comment
  UCR91742  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CAS-BOT-BC91883  Platystemon californicus Lyman Benson 1932-3-26 3162 Riverside 3 miles north of Temecula. 457 Comment
  UC167979  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  RSA0014931  Plectritis ciliosa LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6039 Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  SEINET3162856  Plectritis macrocera M. E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  CAS-BOT-BC326642  Pleurocoronis pluriseta C. L. Hitchcock 1966-3-21 24339 Riverside At summit of pass through Sheep Hole Mountains about 40 miles south of Amboy Comment
  SBBG53816  Pleurocoronis pluriseta E. A. Cardiff 1968-2-25 Riverside S side of Painted Cyn in Mecca Hills Comment
  SD229104  Pluchea sericea Dick Schwenkmeyer 2012-11-6 881 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC1563108  Pluchea sericea Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3663 Riverside below the dam Temecula Creek canyon; Vail Lake Area 457 Comment
  UCR101357  Pluchea sericea A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22227 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  SD137945  Poa annua Darin L. Banks 1995-5-3 257 Riverside Cleveland National Firest, 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
  UCR99857  Poa annua Scott D. White 1993-3-3 1107 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA614130  Poa annua D. L. Banks 1997-2-23 1297 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA179491  Poa bulbosa E. W. Lathrop 1960-4-15 4737 Riverside 14 miles W of Murrieta. Comment
  SEINET6654149  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mtn.; 0 1585 Comment
  UCD91843  Poa pratensis Alan A. Beetle 1946-6-20 4397 Riverside San Jacinto Mt., near Idlewilde. 1219 Comment
  UCR164301  Poa pratensis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  SEINET1909737  Poa secunda Sarah De Groot, Beth Kempton 2006-1 5209 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  UC1930121  Poa secunda Scott D. White 2003-3-21 8823 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCR243155  Poa secunda subsp. secunda LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4286 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  POM179207  Polygala acanthoclada A. M. Alexander, Loiuse Kellogg 1941-5-18 2195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
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Oct 9 2010
  UCR100169  Polygonum aviculare Scott D. White 1996-12-26 4644 Riverside Perris Basin, Perris area 442 Comment
  SEINET10522814  Polypogon interruptus David B. Dunn, A. Folsom 1948-6-17 Dunn 3798 Riverside At camp in Pushawalla canyon under palms. Comment
  UC1132911  Polypogon monspeliensis A. Lewis Mar 1934 330 Riverside Mouth of Bedford Canyon Bedford Canyon; Corona Quad., mouth of Bedford Canyon Comment
  UCR160845  Polypogon monspeliensis T. B. Salvato, Kelly Volansky 2003-3-27 118 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR2728  Polypogon monspeliensis F. M. Reed 1932-9-26 7304 Riverside San Jacinto Mtns., Stream bed above Hemet Lake, near bridge 1326 Comment
  RSA771034  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4541 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  HSC25126  Porophyllum gracile Richard Spjut 1972-2-12 2190 Riverside Colorado River: N base and face of the Chuckawalla Mtns., ca. 3 to 4 mi. S of Desert Center 305 Comment
  UCR172250  Porophyllum gracile John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR202324  Portulaca oleracea Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  RSA388398  Potamogeton foliosus Robert F. Thorne, E. W. Lathrop, Steve Boyd 1985-7-18 61200 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  SD136945  Potamogeton foliosus subsp. foliosus Steve Boyd 1994-10-14 8387 Riverside San Mateo Canyon Wilderness Area of the Clevelanmd National Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  UCR35171  Potentilla norvegica L. B. Ziegler 1971-9-8 428 Riverside San Jacinto Mtns., Hemet Lake 1341 Comment
  UCR115127  Proboscidea louisianica Mitch Provance 2000-10-28 2282 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR277623  Proboscidea parviflora subsp. parviflora Aaron C. Sedgwick, Cody Leslie 2012-9-21 126 Riverside Mojave Desert, Rice Valley, c. 10 miles south of Hwy 62 on Rice/Blythe Road 281 Comment
  CSUSB1139  Prosopis glandulosa K. A. Lamb 1968-4-21 680421 2 Riverside 1 mile east of Mecca, Highway 195. Roadside, Alkali Sink. Comment
  UCR108726  Prosopis glandulosa Scott D. White, Sandy Leatherman 1998-4-15 6284 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
  POM348752  Prosopis glandulosa var. torreyana Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR275139  Prosopis glandulosa var. torreyana David Fraker, Aaron C. Sedgwick 2012-4-5 078 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  SD229258  Prunus emarginata Dick Schwenkmeyer 2012-9-20 836 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  RSA453229  Prunus fasciculata M. B. Dunkle 1935-3-31 4443 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  RSA0121429  Prunus fremontii Duncan S. Bell, LeRoy Gross 2016-3-29 9128 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR120721  Prunus fremontii Helen Kennedy, T. B. Salvato 2002-2-2 5442 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  OBI45158  Psathyrotes ramosissima A. Liston, T. S. Elias, O. R. Dorado & S. Zona 1986-11-29 640 -21 Riverside Painted Cyn, Mecca Hills Comment
  RSA472319  Psathyrotes ramosissima Anstruther Davidson 1922-04 3530 Riverside Palm Springs. Comment
  RSA5161  Psathyrotes ramosissima C. B. Wolf 1932-4-26 2972 Riverside 5 miles east of Mecca on Blythe Road, Colorado Desert 30 Comment
  UC1007175  Psathyrotes ramosissima Philip A. Munz 1940-3-23 15670 Riverside road from Dale to Cottonwood Springs (s base of Pinto Mts); Pinto Mts. 609 Comment
  POM10053  Pseudognaphalium biolettii Charlotte M. Wilder 1903-4-19 23 Riverside Wilder Canyon, W Riverside County Comment
  POM4652  Pseudognaphalium biolettii Robinson, Crocker 1916-3-29 569 Riverside Santa Ana Mountains, canyons near Murietta. Comment
  SDSU13559  Pseudognaphalium microcephalum W. Miller with C. Mosse 1972-8-9 Riverside Bank of road leading to top of plateau above river, north of. Comment
  UCR169163  Pseudotsuga macrocarpa June Latting 1972-5-3 s.n. Riverside San Jacinto Mtns, 1 mile east of Keen Summit, 2.5 miles east of Mountain Center (junction of Calif. Hwy 74 and Calif. Hwy 243), a short distance east of Pasadena YMCA camp on the south side of Calif. Hwy 74 1402 Comment
  RSA198968  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37436 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  SD244088  Psilocarphus brevissimus T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7444 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  UCR116994  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2001-5-3 24103 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CAS-BOT-BC361783  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37436 Riverside Santa Rosa Plateau: Mesa de Colorado 670 Comment
  UCR138156  Psilocarphus tenellus var. tenellus D. L. Banks 1997-3-29 1625 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR41396  Psoralea macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside San Jacinto Mountains, 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 488 Comment
  UC574887  Psorothamnus arborescens var. simplicifolius C. Epling, Wm. Robison 1933-6-24 Riverside San Gorgonio Wash near Banning; Little San Bernardino Mountains Comment
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Jun 26 2012
  HSC101260  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UC555346  Psorothamnus emoryi Margaret Stason 1927-3-12 Riverside Thousand Palms , Thousand Palms (Colorado Desert) Comment
  UC81886  Psorothamnus emoryi S. B. and W. F. Parish Apr 1882 93 Riverside Agua Caliente Comment
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Jul 12 2010
  SD27953  Psorothamnus emoryi var. emoryi Carl B. Wolf 1932-4-26 2967 Riverside Colorado Desert 3 miles east of Mecca on blythe road Comment
  CAS-BOT-BC340897  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA498748  Psorothamnus schottii W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs. Comment
  RSA788556  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SDSU5216  Psorothamnus schottii D. F. Howe 1952-4-27 2190 Riverside 5 miles south of highway east of Mecca, along All-American Canal. Comment
  UC555343  Psorothamnus schottii Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UC667343  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-12 2161 Riverside road to Black Eagle Mine , road to Black Eagle Mine (Eagle Mountains) 777 Comment
  UC68508  Psorothamnus schottii H. M. Hall Apr., 1905 5990 Riverside near Indio (Colorado Desert); , near Indio 30 Comment
  RSA404272  Psorothamnus spinosus Ora M. Clark 1929-2-22 1587 Riverside Sandy desert valleys. So. of Palm Springs. Colorado Desert. Comment
  RSA523518  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3977 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR3714  Pterospora andromedea Frank C. Vasek 1964-7-25 640725 16 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR126371  Pterostegia drymarioides A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 679 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR241821  Pterostegia drymarioides A. C. Sanders, Timothy W. Chumley 2013-4-2 40755 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR273239  Quercus Mitch Provance, Jeremiah George 2012-1-30 17372 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  JEPS20059  Quercus X morehus Carl V. Meyer 1929-11-25 Riverside Saunder's Meadow Mt. San Jacinto Comment
  RSA38770  Quercus X munzii P. A. Munz 1947-8-21 12270 Riverside [No location information on label.] Comment
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Jul 24 2019
  UCD47059  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside (Q. turbinella Green subsp. Californica Tucker). Live Oak tank, Joshua Tree National Monument, Riverside County, California. 1219 Comment
  CAS-BOT-BC418623  Quercus agrifolia Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-11 673 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  POM319728  Quercus agrifolia var. agrifolia Patricia Wilder 1971-9-29 5286 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  LA46615  Quercus berberidifolia W. Pequegnat; 1939-4-8 37 Riverside Santa Ana Mountains Comment
  SD186231  Quercus berberidifolia A. C. Sanders, T. B. Salvato 2004-2-16 27392 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  SD254630  Quercus berberidifolia Mitch Provance 2012-1-25 17378 Riverside Badlands of Western Riverside County; San Timoteo Canyon, SW end along SCE powerline access road between El Casco Substation and Hwy 60. 654 Comment
  UC1605403  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside between Tenaja Trail and Fisherman's Camp (San Mateo Canyon, along San Mateo Trail , Southern Santa Ana Mountains); Cleveland Natl. For., Santa Ana Mts., San Mateo Canyon Wilde 426 Comment
  UCR22024  Quercus berberidifolia Steve Boyd 1980-5-11 239 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CHSC21929  Quercus cornelius-mulleri L. A. Bellue; R. A. Schlising 1970-11-7 2955 Riverside Near Kenworhty Forest Station on Morris Ranch Road, 3.3 miles north of Highway 74. Comment
  JOTR34174  Quercus cornelius-mulleri Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 135 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  SD146254  Quercus cornelius-mulleri A. C. Sanders, S. D. Boyd, M. Provance, J. Ross 1998-10-25 22288 Riverside San Jacinto Mountains, along Hwy 74 4.4 miles east of Hwy 371 junction to Anza, just east of Vandeventer Flat; Butterfly Peak 7.5' quad. 1387 Comment
  UCR93997  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  JOTR00985  Quercus cornelius-mulleri Cole, James E. 1941-5-17 728 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  CAS-BOT-BC94187  Quercus engelmannii A. C. Sanders; Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns. Santa Rosa Plateau: hills W of the head of De Luz Creek, 0.4 mi S of Tenaja Rd. on W side of Calle Roble 671 Comment
  UCR56698  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area north of Murrieta. c. 1.5 mi. NW of intersection of Antelope Road and Hwy I-15, and due north of intersection of Nutmeg and Jackson Streets. 396 Comment
  UC848095  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  CAS-BOT-BC104314  Quercus palmeri J. E. Cole 1947-2-6 1001 Riverside Lower Covington Flat 1463 Comment
  SD185232  Quercus palmeri D. E. Bramlet, Fred M. Roberts 2004-4-13 3552 Riverside South Bernasconi Hills, 1.3 km south of Ramona Expressway and 1.4 km west of San Jacinto river. 515 Comment
  UCD47104  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mts. Near the Kentworth Ranger Station. 1417 Comment
  UCR112025  Quercus palmeri A. C. Sanders, Mitch Provance 1998-5-14 21848 Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  UCD47608  Quercus wislizeni Louis B. Ziegler 1969-10-24 s.n. Riverside Near Kenworthy Ranger Station, Hemet Valley, San Jacinto Mts. 1417 Comment
  UCR262384  Quercus wislizeni Tom Scott 2011-1 2011- 567 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon, USFS Road 2S01, c. 1 mile north of locked gate at Bluff St. 1003 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  RSA653157  Rafinesquia californica Mitch Provance 1998-6-6 694 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  UCR106423  Rafinesquia californica George K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR107390  Rafinesquia californica B. G. Pitzer 1997-3-23 2971 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR158717  Rafinesquia californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30017 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
  UCR98079  Rafinesquia californica A. C. Sanders, G. Helmkamp 1997-3-15 19953 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  JEPS30457  Rafinesquia neomexicana Peter H. Raven 1958-2-15 11581 Riverside Corn Springs Chuckwalla Mountains Comment
  POM293698  Rafinesquia neomexicana Lyman Benson, Robert Benson 1952-4-8 14854 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area 610 Comment
  RSA0108819  Rafinesquia neomexicana Duncan S. Bell, Amanda Turek 2009-3-30 184 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA676271  Rafinesquia neomexicana Scott D. White 2001-4-3 8259 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG67864  Rafinesquia neomexicana M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  SD45166  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Joshua Tree National Monument, 5 miles northeast of Cottonwood Springs Smoke Tree Wash 854 Comment
  UCR279567  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-29 43176 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
  SD187468  Ranunculus sceleratus Scott D. White 2004-5-7 10319 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCSB2431  Raphanus sativus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  RSA7214  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  CAS-BOT-BC56045  Rhamnus ilicifolia L. R. Abrams 1908-7-21 s.n. Riverside Santa Ana Mountains, near Elsinore Comment
  HSC87045  Rhamnus ilicifolia David Charlton 1988-5-21 1909 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  RSA1791  Rhamnus ilicifolia Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  POM320393  Rhododendron occidentale Greg Wright 1971-7-15 290 Riverside County Highway R1, Black Mountain Creek. San Jacinto Mountains 1677 Comment
  CAS-BOT-BC200028  Rhododendron occidentale var. californicum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CDA28764  Rhododendron occidentale var. californicum G. F. Hrusa 1993-6-23 9769 Riverside San Jacinto Mountains; N Fk. San Jacinto River, Dark Canyon. 1694 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
  UC217847  Rhus ovata P. A. Munz, D. Keck 1922-4-14 5004 Riverside e Whitewater Ranch; Colorado Desert 213 Comment
  UCR91602  Rhus ovata D. L. Banks, Steve Boyd 1995-3-16 0108 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtns., west of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 671 Comment
  UC195328  Rhus trilobata S. B. Parish 1906-5-13 10839 Riverside Cottenwood Spring; Colorado Desert Comment
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Sep 4 2011
  POM11525  Rhus trilobata var. anisophylla P. A. Munz 1922-7-3 5956 Riverside S slope of Santa Rosa Mountains 1524 Comment
  RSA476418  Ribes californicum var. hesperium J. D. Olmsted 1962-5-10 3626 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  CAS-BOT-BC173134  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  HSC86990  Ribes indecorum Maureen Pendleton 1988-2-22 Riverside Rancho California area, ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 701 Comment
  RSA1249  Ribes indecorum B. D. Stark 1930-3-18 1487 b Riverside 1/2 way up west side of Mt San Jacinto. Comment
  RSA496744  Ribes indecorum Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  SBBG104048  Ribes indecorum S. D. White 1992-3-29 92 -55 Riverside Millard cyn, slope below fork with E Millard Cyn Rd Comment
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Sep 8 2014
  RSA511348  Ribes malvaceum var. viridifolium B. Pitzer 1988-1 661 Riverside San Jacinto Mts, Hwy 74 below Mtn Center at a large turn out. 1220 Comment
  JEPS49293  Ribes nevadense F. M. Reed 1908-7-13 2309 Riverside Tahquitz Valley Mt. San Jacinto 2438 Comment
  CLARK-A1528-5729  Ribes quercetorum John C. Roos 1952-2-18 5354 Riverside Reche Canyon 761 Comment
  SD2150  Ribes quercetorum Edmund Jaeger 1925-12-23 Riverside Aguanga 1067 Comment
  RSA221070  Ribes speciosum E. W. Lathrop 1966-3-23 6087 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  SEINET3089522 Image available Ricinus communis Michael DeJong 1971-4-10 Riverside Riverside, Hill behind apartments 5400 block of Olivewood Avenue, Riverside Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UCR207702  Rorippa palustris subsp. occidentalis Justin M. Wood, Jamie Miner 2009-4-2 464 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  RSA761162  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 694 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA627520  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  SD229265  Rubus parviflorus Dick Schwenkmeyer 2012-8-28 827 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SD51945  Rumex californicus Reid Moran 1962-7-7 9861 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  OBI32610  Rumex conglomeratus O. F. Clarke 1972-5-28 s.n. Riverside Residence of O.F. Clarke, 1012 Spruce St, Riverside Comment
  UCR90773  Rumex maritimus D. E. Bramlet 1995-5-5 2406 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  UCR202243  Rumex salicifolius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR101300  Rumex violascens L. C. Wheeler 1955-6-10 7155 Riverside Sonoran (Colorado) Desert, Colorado River at John's Boat Landing Comment
  UC64163  Sagina saginoides H. M. Hall June 1901 Riverside San Jacinto Mts., Fuller's Mill Mts., Box Spring 1615 Comment
  POM2076  Salix exigua I. M. Johnston 1918-5-26 1994 Riverside Santa Ana River, NW of Corona. 152 Comment
  RSA698841  Salix exigua J. R. Bruff 1927-10-8 1 -F-2 Riverside Thousand Palms. Comment
  UC483065  Salix exigua F. R. Fosberg 1932-3-13 8077 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  UC494329  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  POM202536  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside North of Elsinore 305 Comment
  SD233938  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  UCR139631  Salix gooddingii A. C. Sanders 2004-6-30 28400 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
  POM177828  Salix laevigata Marcus E. Jones 1930-3-2 s.n. Riverside Corona. Comment
  UC57071  Salix laevigata H. M. Hall Apr. 1902 2940 Riverside vicinity Riverside (along Santa Ana River); Santa Ana River 243 Comment
  UCR140701  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SD225104  Salix lasiolepis Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3848 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 533 Comment
  SEINET272324  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19966 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  SEINET998782  Salix lasiolepis T. B. Salvato 2004-1 594 Riverside San Bernardino Mts.: head of Banning (San Gorginio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. (Forest Falls 7.5 Q) 1402 Comment
  UC914203  Salix lasiolepis Charles B. Fiker 1946-2-19 3337 Riverside 35 mi. air-line from coast and near Santa Rosa Summit 1341 Comment
  CAS-BOT-BC128448  Salix lasiolepis var. lasiolepis Frank W. Peirson 1933-4-13 10646 Riverside Road from Deep Canyon to Idlewild at the Palm Creek crossing. 1356 Comment
  RSA651770  Salix lasiolepis var. lasiolepis Carol Zuck 1981-2-16 35 Riverside On Santa Rosa Road, 3.1 miles east of Lake Mathew Road. [Between Corona and Perris] Comment
  UCR89887  Salsola paulsenii A. C. Sanders 1992-4-5 12160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  SDSU13633  Salsola tragus W. Miller with C. Mosse 1972-7-12 Riverside Northwest corner, west of woodland (west of R.C. Weather Station). Comment
  RSA357771  Saltugilia splendens R. F. Thorne, M. Z. Thorne 1973-3-30 42669 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA469678  Saltugilia splendens E. C. Jaeger 1921-6-18 5457 Riverside San Jacinto Mountains: Caramba, Tahquitz Creek. 1829 Comment
  IRVC2064  Salvia apiana R. H. Whittaker, W. A. Niering 1963-5-29 SJ 52 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  RSA770780  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4618 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SDSU13634  Salvia apiana W. Miller, C. Mosse 1972-7-20 Riverside R.C. Weather station. Comment
  UCR76077  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside, Mt. Rubidoux, near Peace Arch Comment
  RSA411371  Salvia carduacea Ora M. Clark 1929-3-16 1689 Riverside South of Cabazon. Comment
  RSA411380  Salvia carduacea C. Epling 1932-5-28 s.n. Riverside Perris-Hemet. Comment
  UCR62858  Salvia clevelandii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  JEPS62684  Salvia columbariae L. M. Newlon 1922-4-3 431 Riverside 6 mi w Indian Wells (sw Colorado Desert); Colorado Desert Comment
  POM10197  Salvia columbariae P. A. Munz 1921-4-30 4501 Riverside Pinyon Wells 1220 Comment
  RSA401483  Salvia columbariae M. B. Dunkle 1932-3-25 2890 Riverside Cabazon, Colorado Desert. 457 Comment
  RSA747719  Salvia columbariae Justin M. Wood 2009-3-26 400 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR121678  Salvia columbariae Ian G. Gillespie, Abby Sirulnik 2000-5-7 37 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR167458  Salvia columbariae 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
  UCR22032  Salvia columbariae Steve Boyd 1980-5-11 236 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  RSA0121600  Salvia eremostachya Duncan S. Bell, LeRoy Gross 2016-3-29 9102 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  RSA793461  Salvia greatae Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4373 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UC310596  Salvia greatae M. Hill and M. Canby Mar 1926 Riverside wash E of Dos Palmas Comment
  SEINET5332706 Image available Salvia greatae H. M. Hall, L. A. Greata 1905-4-22 5848 Riverside Near Dos Palmos Comment
  RSA434148  Salvia mellifera Richard C. Barkelew 1929-3-3 s.n. Riverside Perris. Comment
  RSA524448  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4084 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD244178  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, south of I-15 Fwy, SE of Coroa (Lee) Lake (Alberhill 7.5'Q) 405 Comment
  SDSU12925  Salvia mellifera Jutta Buschbom 1991-6-20 40 b 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
  UCR91418  Salvia mellifera Scott D. White 1995-4-5 2708 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  CAS-BOT-BC224851  Salvia pachyphylla H. M. Hall 1901-7-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  UCR260518  Sambucus nigra subsp. caerulea T. B. Salvato 2014-5-28 8000 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  RSA263674  Sanicula crassicaulis E. W. Lathrop 1968-5-22 6922 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA612936  Sanicula crassicaulis D. L. Banks 1997-3-29 1641 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  POM305707  Sanicula tuberosa Henry J. Ramsey 1939-4-22 I- 32 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA471125  Sarcodes sanguinea Christopher Davidson 1978-6-15 7396 a Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UC456155  Sarcodes sanguinea I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  UC907579  Sarcostemma hirtellum Mary L. Bowerman 1949-4-18 4303 Riverside 14.8 mi. e. of junction with Hwy. 99 U.S. Hwy. 70 (Indio to Blythe) (0.4 mi. e. of Cactus City garage, n. of hwy.) 502 Comment
  RSA180270  Satureja chandleri E. W. Lathrop 1965-4-18 5654 Riverside 10 miles west of Murrieta. Comment
  RSA585633  Saxifraga californica D. L. Banks, Steve Boyd 1995-3-15 0068 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 720 Comment
  RSA596933  Schinus polygamus A. C. Sanders 1996-4-17 18041 Riverside Riverside: UCR campus, weedy shrub in a moist gully near the lower end of Botanic Garden parking lot., 33Y 58 N, 117Y 19 W 335 Comment
  JOTR30117  Schismus arabicus La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1683 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  UCR241545  Schismus arabicus A. C. Sanders, Ann Howald 2013-2-27 40550 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UC1551915  Schismus barbatus David Charlton 1988-2-18 1142 Riverside s of Joshua Tree National Park (s side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, parallel to I-10, 1 mi e of Jct Dillon Rd & Fargo Canyon Rd); Little San Bernardino Mountains 609 Comment
  UCR139036  Schismus barbatus D. L. Banks, V. W. Steinmann 1997-3-13 1434 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR156355  Schismus barbatus T. B. Salvato, Kent Beaman 2005-5-16 866 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
  RSA736655  Schoenoplectus americanus Justin M. Wood 2008-7-16 31 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  SEINET9753397 Image available Schoenoplectus tabernaemontani Richard Carter 2005-6-25 Riverside Temecula, along west side Del Rio Road, vic. jct. with Calle Cortez Comment
  CAS-BOT-BC111019  Scirpus microcarpus Earl W. Lathrop 1965-5-7 57156 Riverside 5 miles SW of Murrieta on the DeLuz road Comment
  UCR199569  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA654615  Scrophularia californica subsp. floribunda Bruce Albert 1982-4-17 75 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR123877  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 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
  UCR35330  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1964-7-26 28 Riverside San Jacinto Mtns., Upper May Valley 1616 Comment
  CAS-BOT-BC341107  Scutellaria mexicana H. M. Hall 1905-4-1 5861 Riverside Colorado Desert. Near Canon [Canyon] Springs Comment
  RSA543845  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CAS-BOT-BC227205  Secale cereale A. C. Sanders; T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA603301  Sedum niveum R. E. Riefner 1997-8-7 97 -241 Riverside Santa Rosa Mountain: near summit 2439 Comment
  SEINET10875856  Selaginella J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12854 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CAS-BOT-BC69809  Selaginella bigelovii John Thomas Howell 1927-8-1 2886 A Riverside Morongo Canyon, n. Colorado desert. 609 Comment
  SD134577  Selaginella bigelovii Craig Reiser 1987-5-15 Riverside Barren hills north of Sun City Comment
Read comments
Apr 9 2008
  UCD135975  Selaginella bigelovii L. S. Rose 1935-12-18 s.n. Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 243 Comment
  UCR101427  Selaginella bigelovii A. C. Sanders 1997-3-19 20026 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  LA209672  Selaginella eremophila Lawrence L. Kiefer; 1963-3-24 485 Riverside San Jacinto Mountains, Andreas Canyon, vicinity of Palm Springs, 304 Comment
  UC729894  Selaginella watsonii Carl B. Wolf 1932-8-5 3976 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  UCR59500  Senecio californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3236 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  CAS-BOT-BC323968  Senecio flaccidus var. douglasii Lewis S. Rose 1938-12-25 38349 Riverside 31 mi W of Indio, Palms to Pines Highway, San Jacinto Mts. 1280 Comment
  POM13744  Senecio vulgaris E. C. Jaeger 1921-6-12 1192 Riverside Fairmount Park, Riverside Comment
  RSA0121595  Senna covesii Duncan S. Bell, LeRoy Gross 2016-3-29 9107 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  CDA4262  Sesbania herbacea T. C. Fuller 1958-9-23 2153 Riverside Clinton Street & Avenue 46, north of Indio. 0 Comment
  CAS-BOT-BC438211  Sesuvium verrucosum E. A. McGregor 1917-3-17 722 Riverside Colorado Desert. Agua Dulce Springs, N.W. corner of Salton Sea Comment
  RSA598041  Setaria parviflora F. M. Reed 1908-7-29 2553 Riverside Riverside, along upper side of Gage Canal near 8th Str bridge., 117Y'20'W, 33Y'58.5'N 311 Comment
  SBBG87892  Sidalcea sparsifolia B. Pitzer, K. Kirtland 1986-5-6 202 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley, in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield State Rd 457 Comment
  CAS-BOT-BC109421  Sidotheca emarginata Peter H. Raven 1958-5-18 13002 Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR113045  Silene gallica Mitch Provance 1998-3-5 137 Riverside City of Riverside, Between the Harvest Church parking lot and Riverside Airport, c. 500 yards north of the corner of Adams St. and Arlington Ave. 241 Comment
  RSA58726  Silene gallica D. L. Banks, Steve Boyd 1995-5-9 0395 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
  SEINET7048198  Silene multinervia Steven R. Hill, Andrew C. Sanders 2001-5-4 33707 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  RSA65036  Silene parishii var. viscida F. W. Peirson 1924-7-27 5001 Riverside Pinnacle, 0.5 miles west of Deer Springs, Comment
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Nov 17 2011
  RSA421792  Simmondsia chinensis E. C. Jaeger 1922-3-25 754 Riverside Murray Canon, near Palm Springs. 305 Comment
  UCR1480  Sisymbrium orientale B. L. Estes 1961-3-30 s.n. Riverside [Riverside, UCR campus] 100 yards SE of the Citrus Experiment Station Administration Building 366 Comment
  UCR164931  Sisymbrium orientale T. B. Salvato, John F. Green 2004-5-27 629 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA366951  Sisyrinchium bellum Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  UCR112476  Solanum americanum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23323 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment