Search Results — 2000 specimen records retrieved (1902 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD132533  Abies concolor F. C. Vasek 1977-11-25 771125 12 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Lookout Comment
  CDA23833  Abronia pogonantha M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  CAS-BOT-BC229319  Abronia villosa Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  UCR233709  Abronia villosa Duncan S. Bell 2010-5-1 870 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 11 air miles west of Rice, at the junction of Hwy 62 and the aqueduct access road 242 Comment
  RSA655629  Abronia villosa var. aurita A. C. Sanders 2000-3-19 23315 Riverside Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 485 Comment
  UCR162950  Abronia villosa var. aurita Fred M. Roberts 2005-3-23 6135 Riverside Peninsular Range, Temescal Valley; old Temescal Wash along Temescal Canyon Road, near Glen Ivy Hot Springs, 1.2 km NW of junction with Indian Truck Trail, 3.6 km WSW Estelle Peak 312 Comment
  JOTR29583  Abronia villosa var. villosa Andre, Jim 2006-4-6 6715 Riverside Joshua Tree National Park. Along Desert Queen Mine Rd 1362 Comment
  RSA0029326  Abronia villosa var. villosa Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4685 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA461200  Abronia villosa var. villosa H. de Forest, Dr. Freda Detmers 1933-3-24 17154 Riverside Between Beaumont and Banning, roadside just beyond San Gorgonio Pass Comment
Read comments
Mar 9 2011
  SEINET3005055  Abronia villosa var. villosa G. Rink 2011-4-29 10493 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  SEINET937284  Abronia villosa var. villosa Leo A. Galloway 1970-1 1228 Riverside 23.5 miles southeast of Twentynine Palms in Joshua Tree National Monument. Comment
  CLARK-A1528-456  Acacia farnesiana Charlotte Stocks 1962-5-15 Riverside Palm Desert Comment
  JEPS90901  Acacia greggii W. L. Jepson 1912-10-29 5246 Riverside Riverside Mountains, along the Colorado River, Needles to Yuma Colorado River; Riverside Mountains, Colorado River 91 Comment
  RSA795935  Acacia greggii Duncan S. Bell 2009-4-19 261 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CAS-BOT-BC30950  Acamptopappus sphaerocephalus L. R. Abrams 1941-4-23 13923 Riverside White Water wash, Palm Springs railroad station Comment
  RSA1218  Acamptopappus sphaerocephalus var. sphaerocephalus B. D. Stark 1930-4-1 1491 Riverside Devils garden. Comment
  CAS-BOT-BC539369  Acer circinatum O. F. Clarke 2003-6-10 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 350 Comment
  UCR3296  Achillea millefolium T. R. Plumb 1964-Apr-May- s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, dry wash W side of Forest Fire Lab, Canyon Crest Dr. 306 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
  RSA396479  Achnatherum coronatum Walter Wisura 1987-5-21 4151 Riverside 4.6 miles from Hwy 243 along old Idyllwild rd. Comment
  RSA544402  Achnatherum coronatum Steve Boyd, Timothy S. Ross 1991-6-14 6370 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
  SBBG122757  Achnatherum coronatum A. Parikh 1990-5-10 165 Riverside S shore of Diamond Valley Lake, 3.4 km S of jct of Warren and Simpson Rds, 4.9 km E of Winchester Rd 543 Comment
Read comments
Apr 23 2011
  RSA772402  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4866 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA775347  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5014 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 W116.66014 750 Comment
Read comments
May 22 2012
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  UCR214874  Achyronychia cooperi A. C. Sanders 2010-3-15 37388 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  JOTR33854  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SDSU4342  Acmispon glaber var. brevialatus H. Wedberg 1965-5-23 1117 Riverside At 1/2 mile east of Cranston Ranger Station on the road from Hemet to Mountain Center. 610 Comment
  RSA0120317  Acmispon maritimus var. brevivexillus Duncan S. Bell, Thomas Stoughton 2016-3-16 8954 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA0042854  Acmispon rigidus Duncan S. Bell, LeRoy Gross 2014-3-20 6274 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCD104282  Acmispon rigidus L. S. Rose 1935-12-23 s.n. Riverside Above Deep Canyon, San Jacinto Mts., 22 mi. so. Of Cathedral City, Colorado Desert. 1066 Comment
  JOTR35283  Acmispon strigosus Andre, Jim 2012-4-11 20775 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  SD2574  Acmispon strigosus Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountains, Idyllwild Comment
  SDSU13528  Acourtia microcephala W. Miller, C. Mosse 1972-7-12 Riverside Comment
  UC31367  Adenophyllum porophylloides H. M. Hall May 17 1901-Jun 1 1901 1835 Riverside East base San Jacinto Mountain 457 Comment
Read comments
Sep 17 2011
  RSA453184  Adenostoma sparsifolium H. de Forest 1932-8-24 s.n. Riverside West side of San Jacinto Valley. Comment
  SD186012  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce St. 305 Comment
  POM123023  Agoseris retrorsa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CAS-BOT-BC249029  Agrostis A. C. Sanders; Mitch Provance 2008-7-11 35808 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
  RSA797247  Agrostis R. F. Thorne, Walter Wisura 1977-9-17 50785 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 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 (Idyllwild 7.5' Q.) 1450 Comment
  RSA739512  Ailanthus altissima A. C. Sanders 1997-5-1 20619 Riverside Lake Skinner Area: old house site at gated road junction into Shipley Reserve Area, ca 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  UCR79266  Alchemilla occidentalis Steve Boyd, Orlando Mistretta 1992-4-22 6995 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA4925  Allionia incarnata var. villosa Carl B. Wolf 1932-4-28 3073 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
Read comments
Mar 26 2011
  CAS-BOT-BC131992  Allium haematochiton J. C. Roos 1966-3-24 s.n. Riverside Bundy Canyon Road east of Elsinore Comment
  CAS-BOT-BC472712  Allium lacunosum var. lacunosum Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  UCR42166  Allium munzii Steve Boyd 1986-4-10 1645 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  CAS-BOT-BC475411  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UC1931113  Allophyllum divaricatum Scott D. White, Justin Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. Comment
  UCR16652  Allophyllum divaricatum Robert Eaton 1968-5-13 680513- 8 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  RSA0093972  Allophyllum glutinosum A. C. Sanders 2013-7-6 40840 Riverside Peninsular Range; San Jacinto Mountains. Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  RSA67296  Allophyllum glutinosum Verne Grant, Alva Grant 1951-6-4 16009 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  RSA648741  Alnus rhombifolia J. C. Roos 1948-5-8 3828 Riverside Along stream at Whitewater. 518 Comment
  RSA740088  Alnus rhombifolia Justin M. Wood 2008-11-17 231 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SD68947  Alopecurus saccatus Robert F. Thorne, E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau, open dessicated mud at margin of vernal marsh, Mesa de Colorado. 671 Comment
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  JOTR35166  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
  UCD97079  Amaranthus blitum subsp. emarginatus A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60. Comment
  UCR260949  Amaranthus palmeri Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6020 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  JEPS123814  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain USGS 7.5' Quad. Comment
  UCR272195  Amaranthus torreyi Duncan S. Bell 2015-9-30 8649 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  RSA588803  Ambrosia acanthicarpa Darin L. Banks, Steve Boyd 1995-10-17 0756 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
  UCR276350  Ambrosia confertiflora Arlee Montalvo 2016-10-3 671 Riverside Dos Lagos-Temescal Wash Conservation Easement through Dos Lagos Golf Course, just north of main bridge below golf club (east of intersection of Temescal Canyon Dr. and Cabot Dr.), east of I-15 Fwy & 3/4 mile due south of Cajalco Rd., south of Corona 260 Comment
  CAS-BOT-BC22601  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -328 Riverside Joshua Tree National Monument: about 2 mi S of Entrance to Cottonwood Springs Campground Comment
  RSA608585  Ambrosia dumosa R. S. Woglum 1939-4-11 2207 Riverside Sonora Desert: Desert Center. Comment
  UCR17119  Ambrosia dumosa J. Texera 1970-3-27 11 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  CAS-BOT-BC30794  Ambrosia ilicifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  POM246654  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  POM318866  Ambrosia psilostachya Patricia Wilder 1970-10-30 4835 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  UCSB9148  Ambrosia psilostachya Ballard 1954-10-26 Riverside 3 miles south of Men's Reform School (Chino Institute), Chino 182 Comment
  CAS-BOT-BC273017  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon 304 Comment
  OBI16024  Ambrosia salsola Tracey Call, Viola Call 1962-4-6 2109 Riverside 3 mi S of Morongo Valley in desert 671 Comment
  OBI16027  Ambrosia salsola P. A. Holden 1969-3-29 675 Riverside Just west of Hwy 62 at foot of Morongo Grade 8 mi W of Desert Hot Springs Comment
  UCR110380  Ammannia robusta A. C. Sanders, Mitch Provance 1999-9-26 23114 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
  UCR26242  Ammannia robusta John C. Roos 1937-6-7 2401 Riverside San Jacinto River Valley, Foot of Jackrabbit Trail. [N of San Jacinto] Comment
  RSA415299  Amorpha fruticosa A. Menke 1955-5-22 s.n Riverside Chino Canyon, Palm Springs. Comment
  SDSU12999  Amorpha fruticosa Michael G. Simpson 1999-10-27 2029 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC213972  Amsinckia John H. Thomas 1957-3-29 6515 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  SDSU18982  Amsinckia intermedia C. Matt Guilliams, Jeannine Ross 2008-3-5 496 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR163218  Amsinckia intermedia T. B. Salvato, Kelly Volansky 2003-3-27 135 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR37793  Amsinckia intermedia A. C. Sanders 1985-3-1 5389 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  RSA0089920  Amsinckia menziesii Duncan S. Bell 2010-4-1 671 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  SEINET3083516 Image available Amsinckia menziesii J. Hirshberg 1989-5-20 Riverside Santa Rosa Plateau, S of town of Murrieta; SW of Mesa de Burro. Comment
  RSA525325  Ancistrocarphus filagineus Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4456 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA543603  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6135 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA503858  Anemopsis californica N. C. Cooper 1949-6-1 3958 Riverside Elsinore. 457 Comment
  POM122258  Angelica tomentosa Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC79936  Antennaria microphylla Philip A. Munz 1922-7-6 5977 Riverside Tahquitz Valley 2225 Comment
  CLARK-A1045-341  Antirrhinum coulterianum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
Read comments
Jun 22 2013
  POM17948  Antirrhinum coulterianum Philip A. Munz 1923-6-14 7106 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  POM19565  Antirrhinum coulterianum Mary F. Spencer 1923-9-8 2185 Riverside Idyllwild 2134 Comment
  RSA425790  Antirrhinum coulterianum R. S. Woglum 1941-5-17 3048 Riverside Peninsular Ranges / Sonora Desert jct: Coyote Canyon [Riverside/San Diego counties]. Comment
  RSA507485  Antirrhinum coulterianum Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
Read comments
Aug 3 2010
  RSA527858  Antirrhinum coulterianum Scott D. White 1991-5-10 91 -154 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR71982  Antirrhinum coulterianum Steve Morgan, H. M. Soldan 1992-5-25 92 5 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  POM14066  Antirrhinum filipes Philip A. Munz, D. D. Keck 1922-4-9 4868 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  POM183981  Antirrhinum filipes Philip A. Munz 1932-3-14 11996 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA425812  Antirrhinum filipes Christopher Davidson, J. Jones 1980-4-4 9944 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
Read comments
Sep 17 2011
  UCR133666  Antirrhinum kelloggii 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
  UCR107893  Antirrhinum nuttallianum G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  VVC475  Antirrhinum nuttallianum A. C. Sanders 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA180499  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1965-5-23 5766 -a Riverside Riverside, 8 miles W of Murrieta 610 Comment
  JEPS29307  Apiastrum angustifolium Rimo Bacigalupi and L. Heckard 1962-3-25 8402 Riverside about 10 air mi nw of Elsinore (near Arcilla siding of the A.T. & S.F. Railway, just below and e of state hwy 71, Temescal Wash); Temescal Wash 289 Comment
  UCR260558  Apiastrum angustifolium T. B. Salvato 2015-4-2 8102 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  UCR52584  Arabis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns, along dirt road to the north of Castille Canyon Dr. at Poppet Flat, off Hwy 243. Comment
  RSA0126159  Arabis glabra C. B. Wolf 1931-5-11 1962 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  RSA66762  Arabis pulchra F. W. Peirson 1941-4-9 13077 Riverside Open desert among shrubs; Pinto Basin road at junction with road to Cottonwood Springs. Comment
  CAS-BOT-BC409998  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside Idyllwild Area: N of ISOMATA along USFS Rd 5S24.1 1645 Comment
  UCR205285  Arceuthobium campylopodum Scott D. White, T. B. Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  SD110279  Arctostaphylos glandulosa J. Dice, J. Kerbavaz 1981-1-26 Riverside West side of I-15 just north of Italian Aires restaurant, southernmost Riverside County. Comment
  RSA526501  Arctostaphylos glandulosa subsp. adamsii Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA50293  Arctostaphylos glandulosa subsp. leucophylla E. K. Balls 1949-5-4 13483 Riverside 2 miles west of Fuller Creek Campground. San Jacinto Mtns. 1494 Comment
  RSA631724  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19287 Riverside Highway 79, at Radec. 580 Comment
  RSA631768  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16520 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA631831  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15529 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  UCR280977  Arctostaphylos glauca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 73 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
  RSA633562  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16720 Riverside Road to Santa Rosa Mountain (7S02), 2.1 km south of Highway 74. 1600 Comment
  RSA633632  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22656 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633766  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16621 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  UCR187287  Arctostaphylos pringlei Diane Menuz 2006-6-27 185 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 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
  RSA489840  Arctostaphylos pringlei subsp. drupacea D. Charlton 1988-5-28 2138 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCD52976  Arctostaphylos pringlei subsp. drupacea A. E. Wieslander 1938-10-23 821 Riverside Idyllwild; Strawberry Valley. 1676 Comment
  CAS-BOT-BC46339  Arctostaphylos pungens Peter H. Raven 1958-5-18 12981 Riverside 3.0 mi. e. of junction to Aguanga, San Jacinto Mts. Comment
  RSA635768  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16730 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA636180  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19545 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  RSA592687  Aristida Scott D. White, D. Haselfeld 1996-7-2 4271 Riverside Pinyon Flat Area: N of Highway 74, ca. 10 road miles E of junction with Highway 371. W-facing slope of Sugarloaf Mountain and adjacent valley. 1250 Comment
  JOTR35378  Aristida adscensionis Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 167 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA781412  Aristida adscensionis Duncan S. Bell 2011-10-22 2992 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR100872  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2701 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR233942  Aristida adscensionis Duncan S. Bell 2011-10-22 2992 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  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
  CLARK-A1528-4475  Aristida parishii John C. Roos 1940-2-17 891 Riverside Reche Canyon 457 Comment
  UCSB45567  Aristida purpurea Roos, John 1966-4-29 Riverside Rocky hills between March Air Force Base and Lakeview Comment
  CAS-BOT-BC137529  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside North base of San Jacinto Mountains. Snow Creek Canyon. 0.5 mile below Fish Hatchery. 548 Comment
  SEINET190985 Image available Aristida purpurea var. nealleyi A. A. Beetle 1942-4-22 3184 Riverside Desert Center Rt 40 Comment
  SEINET3004998  Aristida purpurea var. nealleyi G. Rink 2011-4-4 10426 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UCR120861  Aristida purpurea var. parishii J. Zabriskie 1976-12-21 963 Riverside Sonoran (Colorado) Desert/Peninsular Range, Deep Canyon Desert Research Area. Coyote Canyon, 1 mi east of research station 335 Comment
  CAS-BOT-BC137490  Aristida purpurea var. wrightii Rateaver 1944-1-17 34 Riverside Along trail abouve Tahquitz Falls, Tahquitz Canyon, Palm Springs. Comment
  RSA703454  Aristida purpurea var. wrightii R. E. Riefner Jr. 2004-6-26 04 -210 Riverside Back basin of Lake Elsinore, west off Pete Lehr Drive from Diamond Stadium along berm road. 381 Comment
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Feb 28 2016
  UCR19696  Aristida purpurea var. wrightii J. R. Holliday 1969-5-5 44 Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hwy 79, 1.5 mi NW of Gilman Hot Springs, 200 yards north of the road junction 463 Comment
  CAS-BOT-BC90189  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Harford Springs County Park Comment
  CAS-BOT-BC90420  Artemisia douglasiana E. W. Lathrop 1966-3-20 6067 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and the Tenaja Guard Station Comment
  RSA561511  Artemisia douglasiana Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7662 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confuluence of Los Alamos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCSB6349  Artemisia douglasiana Kamb, Peter 1948-10-31 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SBBG105095  Artemisia dracunculus S. Boyd with T. Ross, T. Columbus 1993-10-23 8193 Riverside upper Morrell Cyn along Morgan Trail (Rd 5W02) 877 Comment
  SD43534  Artemisia dracunculus Philip A. Munz 1946-10-19 11566 Riverside Coahuila 1095 Comment
  RSA417412  Artemisia tridentata H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  UC29715  Artemisia tridentata Dr. D. P. Barrows 1898-1 59 Riverside Comment
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Jul 16 2012
  RSA716111  Artemisia tridentata subsp. tridentata Michael Wall 2006-11-18 425 Riverside San Jacinto River channel at Bautista Creek confluence, east Hemet near Mountain Ave. and Cedar Ave. 504 Comment
  RSA0104762  Asclepias californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18122 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1098 Comment
  RSA496467  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3083 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  SEINET195890  Asclepias californica F. A. Thackery 1928-5-22 478 Riverside Banning Hights. Comment
  UCR21552  Asclepias fascicularis W. W. Mayhew 1980-8-1 s.n. Riverside Santa Rosa Mtns, 2 mi. south of Hwy 74 on road to Santa Rosa Peak 1646 Comment
  SEINET10779846  Asclepias subulata Marcus E. Jones 1906-4-30 Jones s.n. 1906 Riverside Indio Comment
  POM57861  Aster subulatus var. ligulatus Geo. R. Hall 1905-09 280 Riverside Riverside Comment
  SEINET6811874  Asteraceae Unknown 1997-4-16 Riverside Monterey Avenue; Monterey Avenue Comment
  GMDRC5834  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  UCR146120  Astragalus bicristatus Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1460 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, along 7S02 Road above Virgin Spring 2379 Comment
  UC68514  Astragalus crotalariae H. M. Hall April, 1905 5828 Riverside Indio , Indio (Colorado Desert) 0 Comment
  RSA415494  Astragalus douglasii var. parishii Robert Gustafson 1985-5-20 3117 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale Comment
  UCR104622  Astragalus douglasii var. parishii D. E. Bramlet 1990-6-20 2040 Riverside Arroyo Seco. Approximately 915 m south of Hwy 79 and 152 m south of the Dripping Springs Campground, 30 m east of the main wash. 494 Comment
  UCR97747  Astragalus lentiginosus var. borreganus 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
  LA204981  Astragalus lentiginosus var. coachellae Carl Epling; 1937-3-27 sn Riverside Thousand Palms Comment
  POM24215  Astragalus pachypus var. jaegeri S. B. Parish 1880-06 1134 Riverside 5 miles south of Temecula Comment
  UCR101917  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  CAS-BOT-BC194145  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  RSA108533  Astragalus pomonensis P. H. Raven, Sidney R. Snow 1956-6-30 9543 Riverside Deserty flats 1.7 miles west of Dripping Springs Guard Station, Temecula River. 365 Comment
  SEINET3132645  Astragalus pomonensis R. W. Spellenberg, D. Jackson 1972-5-19 2821 Riverside Road to Teneja Guard Station, 8.0 mi SE of station, 7.6 mi NW of Murieta Comment
  UC718549  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside 1 mi w Val Verde (Gavilan Hills Region); , w of Val Verde 487 Comment
  UCR107895  Astragalus pomonensis G. F. Pratt 1997-3-11 s.n. Riverside March Air Force Base, Cactus Ave., c. 1 mi. west of 215 Fwy & south of Assesandro Blvd. 518 Comment
  UCR4173  Astragalus pomonensis R. H. Sauer 1965-4-21 s.n. Riverside Mockingbird Canyon Road, 4 mi. SE of intersection with Van Buren Boulevard, SE of Riverside, NE of Lake Mathews 244 Comment
  UCR59516  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  POM183481  Astragalus tricarinatus Joseph A. Ewan 1930-4-18 3096 Riverside Dry Morongo Creek below Morongo valley. 518 Comment
  RSA415845  Astragalus tricarinatus Ralph Hoffmann 1929-9-13 s.n. Riverside Colorado Desert, Riverside. Comment
  POM12715  Athyrium filix-femina P. A. Munz 1922-7-6 5991 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  SJSU12733  Athyrium filix-femina var. cyclosorum C. W. Sharsmith 1945-8-28 5451 Riverside by Indian Creek W side Mt. San Jacinto 1828 Comment
  RSA777775  Atrichoseris platyphylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 761 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR180227  Atrichoseris platyphylla Scott D. White, Pam Devries 2006-3-14 11254 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCSB9777  Atrichoseris platyphylla Haller, John 1958-3-22 Riverside Immediately S. of Hwys 60-70, 5.8 miles E. of Desert Center Comment
  UCR176901  Atriplex argentea Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  UCR274536  Atriplex argentea Mitch Provance, Ken Halama 2003-6-15 17045 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA357127  Atriplex argentea subsp. expansa R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37608 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  CLARK-A1528-5402  Atriplex canescens John C. Roos 1951-10-19 5326 Riverside San Jacinto Valley 457 Comment
  RSA451005  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1038 Riverside Living Desert Reserve, Palm Desert Comment
  UCR169926  Atriplex canescens A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29128 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  CAS-BOT-BC170217  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 378 Riverside 2 mi. SE Salton Bench Mark -76 Comment
  RSA314407  Atriplex canescens subsp. canescens R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 s.n. Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SD130238  Atriplex coronata var. notatior George Ruffner 1990-5-2 Riverside San Jacinto Wildlife Area, east of Davis Road, vicinity of duck ponds on west edge of playa of Lake San Jacinto. Comment
  SD127576  Atriplex hymenelytra David Charlton 1988-2-19 1202 Riverside Orocopia Mountains; Mudstone wash north of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca. 459 Comment
  RSA289849  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  CLARK-A1528-2549  Atriplex polycarpa John C. Roos 1943-12-19 2763 Riverside Mecca Hills Comment
  SEINET13297607 Image available Atriplex semibaccata Mitch Provance 2013-1 613 -22 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren (Riverside West 7.5' Q.) 226 Comment
  UCD97788  Atriplex serenana Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  UCR275576  Atriplex suberecta T. B. Salvato, Jennifer Weiland 2005-6-13 605- 3 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR281872  Atriplex triangularis Mitch Provance 2012-11-9 1112- 19 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  RSA0063034  Avena barbata Andrew Haimov, April Sleigh 1992-5-19 92 Riverside 1 1/2 miles east of Davis Road, next to reclaimed water storage site, San Jacinto Wildlife Area. Comment
  SEINET6188286 Image available Avena barbata Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-1 4467 Riverside Transversa Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  RSA552715  Avena fatua Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  UCR9373  Ayenia compacta Richard A. Weaver 1970-1-14 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., western portion of range 915 Comment
  CAS-BOT-BC98777  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Monson Canyon, Eagle Mts. 1066 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
  RSA0015687  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  POM182370  Baccharis emoryi Joseph A. Ewan 1931-10-3 5216 Riverside Santa Ana River, 4 mi. NW if Corona. Comment
  RSA376137  Baccharis pilularis R. F. Thorne 1985-7-18 61282 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  UCR138647  Baccharis salicifolia D. L. Banks 1997-2-17 1277 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  SEINET10616764  Baccharis salicifolia David B. Dunn 1946-2-22 Dunn 1945 Riverside Collected on north side of Whitewater Canyon. Colorado Desert. Comment
  UC50298  Baccharis salicifolia subsp. salicifolia H. M. Hall 1903-4-1 3812 Riverside vicinity of Riverside Riverside 304 Comment
  CAS-BOT-BC106627  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  RSA496379  Baccharis sergiloides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3056 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  CDA41201  Bacopa monnieri Brad Ballen 1982-12-27 s.n. Riverside Desert Island Country Club, Rancho Mirage. 0 Comment
  RSA252707  Bacopa monnieri J. T. Gordon 1974-11-16 775 Riverside forming small mounds in damp soil along Colorado River at Agnes Wilson Rd. 104 Comment
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Jun 12 2020
  CAS-BOT-BC99948  Baileya pauciradiata Mrs. W. J. Anderson 1925-3-27 s.n. Riverside Indio Comment
  POM13024  Baileya pauciradiata Philip A. Munz, D. D. Keck 1922-4-14 4965 Riverside Indian Wells 107 Comment
  RSA21759  Baileya pauciradiata C. B. Wolf 1937-4-6 8431 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
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Sep 23 2011
  JOTR32373  Baileya pleniradiata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2484 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UCR42403  Baileya pleniradiata J. M. Stewart 1986-3-3 86- 15 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  RSA189408  Bebbia juncea L. S. Rose 1966-12-14 66111 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA350776  Bebbia juncea Joseph A. Ewan 1931-4-4 4155 Riverside Summit E of Shaver's Well 518 Comment
  SEINET10616172  Bebbia juncea David B. Dunn 1948-2-21 Dunn 3661 Riverside Pushawalla; a raing about 2 weeks earlier in wash. Hills still quite dry. Pushawalla Canyon, Indio Hills of the Colorado Desert. West of Indio. Comment
  SEINET10925101  Bebbia juncea David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2885 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  CAS-BOT-BC100120  Bebbia juncea var. aspera H. M. Hall 1903-4-1 3803 Riverside Point of Rocks, vicinity of Riverside 396 Comment
  CAS-BOT-BC100133  Bebbia juncea var. aspera Roxana S. Ferris 1918-6-14 982 Riverside in Box [Canon] Canyon at Shaver's Well, Chocolate Mts - Mecca-Blythe Road Comment
  SD137906  Bebbia juncea var. aspera Darin L. Banks, Steve Boyd 1995-10-17 782 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National 'Forest; along lower Arroyo Seco. 515 Comment
  UC68873  Bebbia juncea var. aspera S. Grout 1903-7-1 Riverside Rubidoux Mt. Comment
  UCR256796  Bebbia juncea var. aspera T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7870 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA0120035  Beloperone californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  UCR59772  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake Area, Temecula Creek Cyn below Vail Lake dam 457 Comment
  UCR266823  Bergia texana D. E. Bramlet 2005-7-13 3898 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  SD51809  Bernardia incana Rimo Bacigalupi, L. R. Heckard 1953-5-5 4075 Riverside Along the Palms to Pines Highway, above Seven Level Hill, western slopes of Deep Canyon, about half way between the Santa Rosa Mountains and the San Jacinto Mountains. Comment
  UCD166227  Bernardia incana Jack Major 1962-4-16 770 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UCR13719  Bernardia myricifolia N. R. Zabriskie, W. W. Zabriskie 1971-4-9 364 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  CLARK-A1528-2552  Beta vulgaris John C. Roos 1937-5-23 2059 Riverside La Sierra Comment
  CAS-BOT-BC25975  Boechera xylopoda Annie M. Alexander; Louise Kellogg 1941-5-19 2201 Riverside Colorado Desert. Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  JOTR30697  Boerhavia wrightii Andre, Jim, Tasha La Doux 2008-9-13 10259 Riverside Joshua Tree National Park. Palen Valley along the W. side of Hwy 177, just W. of Palen Valley Sand Dunes area, E. side of Coxcomb Mountains, E. boundary of Joshua Tree National Park 204 Comment
  JOTR38520  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 289 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR242288  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40421 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR242654  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40438 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  SD137967  Bothriochloa barbinodis Darin Banks, Steve Boyd 1995-10-17 798 Riverside Northwest Palomar Mountains, Agua Tibia Mountains, Cleveland National Forest, Agua Tibia wilderness area, along lower arroyo seco, South of the Dripping Springs Campground Comment
  UCR60438  Bothriochloa barbinodis S. J. Myers 1989-8-3 s.n. Riverside Peninsular Range, 1.5 mi SW of Temecula, and 0.5 mi west of the confluence of Murrieta and Temecula Creeks 396 Comment
  JOTR29180  Bouteloua aristidoides var. aristidoides La Doux, Tasha 2003-9-24 1257 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  RSA792555  Bouteloua barbata Duncan S. Bell 2012-9-13 4182 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  JOTR32423  Bouteloua barbata var. barbata Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 12 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  UCR195794  Bouteloua barbata var. barbata Tasha La Doux, J. Andre 2007-9-6 135 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  SEINET3081272 Image available Bowlesia incana David C. Hawks, G. Bruyea 1987-4-3 Riverside Peninsular Range; Gaylord property, NW of Aguanga 550 Comment
  SBBG89122  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 -1 Riverside Vista Grande Rd (USFS Rd 3S08) 1524 Comment
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Jun 7 2008
  RSA787121  Brachychiton populneum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49546 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles SSW of El Cariso Comment
  OBI8337  Brandegea bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12059 Riverside Along Box Cyn Rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UC373179  Brandegea bigelovii Marcus E. Jones, A. M. 1906-4-20 Riverside Indio Comment
  UCR103351  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-1-17 2540 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  POM312158  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mountain. West side. 1372 Comment
  UCR104898  Brassica nigra A. C. Sanders 1997-3-19 20027 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  RSA346617  Brassica tournefortii R. F. Thorne, Dick Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54032 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA799882  Brassica tournefortii D. M. Ray 2011-3-5 9 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UC1329827  Brickellia atractyloides James E. Cole 1941-5-23 776 Riverside Split Rock Area Joshua Tree National Monument 1280 Comment
  CAS-BOT-BC106339  Brickellia atractyloides var. arguta Annie M. Alexander; Louise Kellogg 1941-5-10 2145 Riverside Growing in among rocks, 3 miles northweast of Cottonwood Spring, Eagle Mountains 1036 Comment
  JOTR16568  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECTS 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  SD82941  Brickellia californica C. W. Tilforth, John Dourley 1970-10-16 316 Riverside Road to Santa Rosa Mountain, along and above intermittent stream bed Comment
  CLARK-A1528-1670  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains Comment
  UCR231199  Brickellia desertorum A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39946 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  SD126056  Brickellia oblongifolia var. linifolia K. Harper 1988-5-14 Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74. Comment
  UCR18656  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside Perris-Aguanga Basin region, 1 mi east of Perris along the San Jacinto River 427 Comment
  UCR157593  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16220 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UC50578  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  UCD57762  Bromus berteroanus Peter H. Raven 1958-5-5 12882 Riverside Jumbo Rocks Camp Ground. Joshua Tree National Monument. Comment
  SEINET3921841  Bromus carinatus Elizabeth Neese 1979-4-11 7104 Riverside Road jct halfway between Blythe & Rice.; 0 Comment
  CAS-BOT-BC148745  Bromus carinatus var. marginatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains. Tanquits Valley. 2133 Comment
  UCR174075  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32589 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR94068  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3951 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UCR91923  Bromus tectorum A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18028 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  JEPS24876  Caesalpinia virgata Peter M. Ray 1949-3-12 1379 Riverside e. Mecca (Painted Canyon, Orocopia Mts.); Orocopia Mts., Painted Canyon Comment
  UC310280  Calandrinia ambigua Philip A. Munz 1926-1-31 9982 Riverside clay hills w Dos Palmos; Colorado Desert Comment
  UCR250126  Calandrinia ciliata A. C. Sanders 2014-4-8 40985 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  UCR251714  Calandrinia ciliata T. B. Salvato 2014-4-9 7844 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR107787  Calocedrus decurrens D. L. Banks 1997-5-5 1960 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  UCR112404  Calochortus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23459 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA774062  Calochortus concolor Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1431 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1388 Comment
  UCR132665  Calochortus plummerae D. E. Bramlet 1994-6-16 2385 Riverside Tucalota Hills area of Lake Skinner County Park, along equestrian trail and 60 ft. south of access road from BM 1487 494 Comment
  RSA496570  Calochortus splendens Bill Wagner 1988-4-5 s.n. Riverside NW of Murrieta. 381 Comment
  UCD139571  Calochortus splendens Geoffrey Levin 1975-4-26 481 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  UCR169860  Calochortus splendens Jason L. Hlebakos 2005-5-3 613 Riverside Santa Ana Mtns, Elsinore Peak 1039 Comment
  RSA68622  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2180 Riverside Grade south of Temecula River, going toward Dripping Spring 427 Comment
  CLARK-A1528-1794  Calycadenia tenella John C. Roos 1952-7-19 5816 Riverside Santa Ana Mountains 761 Comment
  RSA680922  Calycoseris wrightii Scott D. White, Michael Honer 2003-5-14 9279 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SEINET5336237  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavilan Mesa Comment
  CLARK-A1528-7874  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  UCR24124  Calystegia macrostegia John C. Roos 1950-4-22 4748 Riverside Pigeon Pass. 457 Comment
  UCR108936  Calystegia macrostegia subsp. arida Scott D. White 1997-5-18 5168 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  SDSU5682  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  UCR18965  Calystegia sepium subsp. binghamiae John C. Roos, L. Roos 1952-6-10 5763 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  RSA186653  Camissonia bistorta Peter H. Raven 1959-4-23 14023 Riverside 5.1 miles west of Dripping Springs. Comment
  RSA295606  Camissonia bistorta Lyman Benson 1946-4-15 12019 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  RSA523490  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3950 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  SEINET4680863  Camissonia bistorta Steve Boyd, Laurel Arnseth; Yvonne Rasmussen 1990-5-3 4549 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Rd. NE of the lake.; 0 Comment
  UCR232076  Camissonia bistorta John F. Green 2008-4-24 15- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, in vicinity of Riverside St. 488 Comment
  RSA774989  Camissonia boothii Duncan S. Bell 2011-4-7 2172 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UCR41541  Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 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
  RSA586795  Camissonia californica D. L. Banks, Steve D. Boyd 1995-5-3 233 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  JOTR30963  Camissonia campestris subsp. campestris La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1938 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC20448  Camissonia campestris subsp. campestris Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA454739  Camissonia cardiophylla Christopher Davidson, Josephine Jones 1980-4-4 9937 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA454743  Camissonia cardiophylla Robert Gustafson 1981-4-7 2159 Riverside Western end of Salt Creek Wash, along the southern margin of the Orocopia Mts. 61 Comment
  POM160073  Camissonia chamaenerioides E. C. Jaeger 1927-3-23 s.n. Riverside Travertine Point [Travertine Rock?], Colorado Desert. Comment
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Nov 24 2016
  CLARK-A1528-5363  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountains Comment
  RSA781997  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  POM27200  Camissonia claviformis subsp. aurantiaca Lyman Benson 1933-3-31 4168 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA135284  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-16 11862 Riverside Fried Liver wash, Pinto Basin, Joshua Tree National Monument. Comment
  RSA449184  Camissonia claviformis subsp. aurantiaca Bonnie C. Templeton, I. W. Clokey 1930-4-9 1054 Riverside N. of Palm Springs, Colorado Desert 450 Comment
  RSA776818  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1091 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  RSA525443  Camissonia hirtella Steve Boyd, Dave Bramlet 1990-4-29 4488 B Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR116854  Camissonia hirtella A. C. Sanders, Steven R. Hill 2001-5-4 24139 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR98676  Camissonia hirtella S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA524479  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR121178  Camissonia ignota D. E. Bramlet 1990-4-27 1987 Riverside 1,000 ft. (~0.2 mi.) south of Crown Valley and 200 ft. west of access road 631 Comment
  UCR22073  Camissonia ignota Steve Boyd 1980-4-27 147 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  SEINET1109638  Camissonia pallida A. C. Sanders, K. C. Rose 1995-1 16368 Riverside San Bernardino Mtns. Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  SEINET273116  Camissonia pallida G. K. Helmkamp, AC Sanders 1997-3-15 1501 Riverside Skinner Lake; Grassland at base of Bachelor Mtn and adjoining chaparral. UTM 10km cell; 11SMH-9E 1N Skinner Reservoir 488 Comment
  RSA145171  Camissonia pallida subsp. pallida William M. Klein 1958-2-11 29 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 546 Comment
  RSA449247  Camissonia pallida subsp. pallida Ora M. Clark 1929-3-16 1726 Riverside N. Whitewater. Comment
  RSA449053  Camissonia refracta Anstruther Davidson, E. C. Jaeger 1922-3-29 s.n. Riverside Box Canon near Mecca. Comment
  RSA449055  Camissonia refracta M. B. Dunkle 1935-4-17 4563 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA586331  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-3 196 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA85085  Camissonia strigulosa J. C. Roos 1952-4-16 5554 Riverside Reche Canyon. 457 Comment
  UCR18396  Camissonia strigulosa A. C. Sanders 1978-5-20 465 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR201464  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-5-15 11974 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  SBBG93053  Camissoniopsis bistorta G. Ballmer 1990-5-5 Riverside SE boundary of San Jacinto Potrero land grant, just N of the Colorado River aqueduct, where rd crosses creek at the mouth of unnamed cyn to the E Comment
  UCR166108  Camissoniopsis pallida subsp. hallii A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UC874016  Camissoniopsis pallida subsp. pallida Lewis S. Rose 1937-4-9 37092 Riverside Cabazon 563 Comment
  CAS-BOT-BC18027  Carex athrostachya Peter Kamb 1948-7-4 1177 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  UCR27268  Carex athrostachya A. C. Sanders 1980-8-23 1764 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  CHSC89824  Carex barbarae L. P. Janeway 2004-5-8 8061 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; between Tenaja Trail and the creek, 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Flattish bench above and away from the creek. 387 Comment
  RSA572422  Carex globosa Christopher Davidson 1977-5-18 5621 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  POM14315  Carex hoodii Phillip A. Munz 1922-7-6 6005 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  UCR96415  Carex multicaulis Scott D. White 1996-8-1 4410 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA515340  Carex praegracilis Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on S side of Mesa de Burro. 549 Comment
  UCR169316  Carex praegracilis T. B. Salvato, John F. Green 2004-5-27 601 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
  UC835304  Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek 1500 Comment
  RSA126700  Carex senta Peter H. Raven 1959-5-18 s.n. Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA422123  Castela emoryi Anstruther Davidson s.n. Riverside Between Shaver's Well and Desert Center. Comment
  RSA425938  Castilleja affinis Bonnie C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. 600 Comment
  RSA289455  Castilleja applegatei subsp. martinii R. C. Bacigalupi, L. R. Heckard, C. L. Custer 1953-5-5 4076 Riverside 1.1 miles souh of Keen Summit, along State Highway 74. 1524 Comment
  RSA448696  Castilleja applegatei subsp. martinii N. C. Cooper 1945-5-24 1666 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR100966  Castilleja densiflora G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR116860  Castilleja exserta A. C. Sanders, Steven R. Hill 2001-5-4 24133 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA586141  Castilleja exserta subsp. exserta D. L. Banks 1995-4-11 184 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trai. 512 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
  RSA0010938  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-24 999 Riverside Banning. 701 Comment
  SD185309  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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 1402 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
  RSA0010958  Castilleja miniata subsp. miniata Verne Grant, Alva Grant 1951-7-20 16098 Riverside Idyllwild 1646 Comment
  RSA674609  Castilleja minor Scott D. White 2000-8-5 8110 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA0010912  Castilleja minor subsp. spiralis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2136 Riverside Santa Rosa Mountains. Comment
  UC64211  Castilleja minor subsp. spiralis H. M. Hall 1901-7-24 2542 Riverside n side San Jacinto Mountains Comment
  UCR998  Castilleja minor subsp. spiralis J. E. Dimitman 1957-5-18 s.n. Riverside San jacinto Mtns., Bautista Canyon 610 Comment
  UCSC000664  Castilleja minor subsp. spiralis I. J. Condit 2010-6-24 s.n. Riverside along stream stream - San Jacinto River Comment
  UCR19451  Caulanthus cooperi Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 3 miles north of Cottonwood Spring 945 Comment
  UC1492738  Caulanthus hallii Freed W. Hoffman 1950-4-26 3404 Riverside road to Santa Rosa Spring on El Toro Mt. (a branch of Palms-to-Pines Highway 74, 1.2 mi from Highway 74); road to Santa Rosa Spring on El Toro Mt. Comment
  UCR251313  Caulanthus heterophyllus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7422 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCSB9774  Caulanthus heterophyllus Haller, John 1957-3-23 Riverside Morongo wash, ca. 4.5 road miles N of U.S. 99 and 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  SBBG101701  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6103 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR51946  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2172 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  CHSC36013  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  SDSU10257  Ceanothus cordulatus T. B. Bruhns 1965-5-22 106 Riverside Strawberry Valley. Trail beginning above Idyllwild. Comment
  UC489223  Ceanothus cordulatus C. V. Meyer 1928-7-31 615 Riverside 7500 ft Tahquitz Peak; San Jacinto Mts. Comment
  RSA575064  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -O Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA606777  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27354 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD138816  Ceanothus crassifolius Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 Growing with both putative parents (IPB 5/06) Comment
  UC1071027  Ceanothus crassifolius R. St. John 1930-3-16 106 Riverside Lakeview Mountains 609 Comment
  UCR225190  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UC489159  Ceanothus integerrimus C. V. Meyer June 1927 178 Riverside San Jacinto Mountains 1828 Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  UC1018193  Ceanothus leucodermis J. Warren 1952-5-25 Riverside w of Idylwild 1371 Comment
  UCR161149  Ceanothus leucodermis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA0019596  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1922-5-19 5401 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  LA212135  Ceanothus oliganthus Nancy Anderson; 1955-5-21 s.n. Riverside Banning - Idyllwild Hwy. 1523 Comment
  CAS-BOT-BC83761  Ceanothus ophiochilus D. O. Burge 2007-3-20 800 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  RSA606747  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27403 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
  SD136769  Ceanothus ophiochilus Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 A Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain (Type locality for species0 609 Comment
  SDSU13887  Ceanothus tomentosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2088 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA524608  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3931 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SBBG68539  Ceanothus vestitus R. Hoffmann 1929-9-11 Riverside Hamilton Grade Comment
  UCR263227  Centaurea benedicta A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41464 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA430195  Centaurea melitensis E. Misquez 1987-5-16 9 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  RSA773475  Centaurea melitensis Duncan S. Bell, Ryan Parker 2010-6-15 1311 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1063 Comment
  UCR104169  Centaurium venustum Scott D. White 1997-5-25 5243 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  CAS-BOT-BC279123  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  HSC85246  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Harford Springs County Park, N of big meadow, Gavilan Hills Comment
  RSA674918  Cerastium glomeratum Scott D. White 2000-5-1 7738 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR174039  Cerastium glomeratum A. C. Sanders 2006-5-19 32461 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
  OBI5880  Cercocarpus betuloides Carl B. Wolf 1931-5-11 1950 Riverside Above Hemet Valley, San Jacinto Mts 1695 Comment
  CAS-BOT-BC135454  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  SD229254  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-8-6 772 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  RSA678925  Cercocarpus minutiflorus Scott D. White, Michael Honer 2003-6-3 9468 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC1979560  Cercocarpus minutiflorus Darin L. Banks, Steve Boyd 1995-3-30 112 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  UCR67363  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3962 Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  CAS-BOT-BC279439  Chaenactis Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  RSA586793  Chaenactis artemisiifolia Darin L. Banks, Steve Boyd 1995-5-3 0231 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SD152948  Chaenactis artemisiifolia Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7335 Riverside Southern Santa Ana Mountains; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon. 365 Comment
  CAS-BOT-BC276391  Chaenactis carphoclinia E. C. Jaeger No date on label s.n. Riverside Eagle Canyon Comment
  CAS-BOT-BC276398  Chaenactis carphoclinia N. Aitkenhead 1977-2-3 2112 Riverside At intersection of T/L with Chuckwalla Road Comment
  RSA681036  Chaenactis carphoclinia Scott D. White, Michael Honer 2003-5-14 9268 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG104629  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -69 Riverside McCoy Mtns, NW of Blythe; T6S, R 21E, S18 280 Comment
  UCD130227  Chaenactis carphoclinia P. C. Everett; E. K. Balls 1958-4-29 23012 Riverside U.S. Highway 60/70, Indio to Blythe, 6.5 miles east from junction with U.S. Hwy. 99. 243 Comment
  JEPS8864  Chaenactis carphoclinia var. carphoclinia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1357 Riverside Palm Canon and return to Van Deventer's Palm Canon 914 Comment
  RSA457778  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2210 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC276927  Chaenactis fremontii Geo. B. Grant 1906-5-1 6708 Riverside On Colorado Desert at Palm Springs Comment
  JEPS8867  Chaenactis fremontii W. L. Jepson 1901-5-22 1501 Riverside upper end Palm Canyon 1219 Comment
  RSA100836  Chaenactis fremontii Palmer Stockwell 1940-4-24 1507 Riverside 1 mile E of Banning. Comment
  RSA33655  Chaenactis fremontii N. C. Cooper 1944-3-25 996 Riverside Cabazon 549 Comment
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Nov 22 2011
  RSA341992  Chaenactis fremontii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54054 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA34531  Chaenactis fremontii N. C. Cooper 1944-4-8 1046 Riverside Andreas Canyon 457 Comment
  RSA717622  Chaenactis fremontii Scott D. White, Andrea Warniment 2006-3-29 11275 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCR132866  Chaenactis fremontii Kent Beaman 1983-4-2 02 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  UCR137685  Chaenactis fremontii G. A. Reese, S. Kaime 1998-4-6 4717 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  UCR205283  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 10462 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  VVC2884  Chaenactis fremontii Tim Thomas, P. J. MacKay 2010-4-12 5024 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR123233  Chaenactis glabriuscula S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR155057  Chaenactis glabriuscula Jason L. Hlebakos 2005-5-30 815 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR22117  Chaenactis glabriuscula Steve Boyd 1980-5-15 283 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR24931  Chaenactis glabriuscula A. C. Sanders 1980-7-18 01683 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  RSA543769  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6029 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA771809  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  UC1537042  Chaenactis glabriuscula var. glabriuscula Gordon H. True Jr. 1935-5-15 112 Riverside Box Springs 34 Comment
  UCD130386  Chaenactis glabriuscula var. glabriuscula J. C. Roos 1937-4-18 s.n. Riverside Cabazon. Comment
  UCR108882  Chaenactis glabriuscula var. glabriuscula Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  CAS-BOT-BC277555  Chaenactis glabriuscula var. lanosa H. M. Hall 1902-4-21 2933 Riverside Vicinity of Riverside 274 Comment
  SEINET5763241 Image available Chaenactis glabriuscula var. lanosa Norman C. Cooper 1944-4-21 1109 Riverside Banning. Comment
  JEPS8902  Chaenactis xantiana Marjorie D. Clary 1932-5-26 1652 Riverside Pleasant Valley Colorado Desert, , Hexie Mt. 1066 Comment
  RSA778324  Chamaesyce Amber Swanson 2011-10-9 653 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  SFV10855  Chamaesyce micromera M. L. Vincent, R. H. Swade 1963-10-19 454 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  RSA505009  Chamaesyce polycarpa D. Charlton 1988-2-18 1154 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  RSA793463  Chamaesyce polycarpa Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4371 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  UC1130420  Chamaesyce polycarpa H. S. Yates 1937-3-23 6439 Riverside 15 mi nne Mecca 548 Comment
  UC1547000  Chamaesyce polycarpa Leila M. Shultz and John S. Shultz 1985-4-17 8316 Riverside southern extension of the Big Maria Mtns Comment
  RSA433509A  Chamaesyce polycarpa var. polycarpa L. H. Jones 1910-3-17 s.n. Riverside In Sand, Riverside Mountain, Colorado river. Comment
  RSA232933  Chamaesyce setiloba L. S. Rose 1967-12-19 s.n. Riverside La Quinta. 15 Comment
  RSA793612  Chamaesyce setiloba Duncan S. Bell, Aaron Sedgwick 2012-9-13 4201 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  CAS-BOT-BC66319  Cheilanthes clevelandii John Thomas Howell 1927-8-2 2907 Riverside a few miles south of Banning on road to Strawberry Valley of Mt. San Jacinto 670 Comment
  UCR144101  Cheilanthes clevelandii Scott D. White 1998-2-7 6070 Riverside Agua Tibia Mtns, N boundary of USFS Agua Tibia Wilderness, c. 1 air mi south of the Hwy 79 junction with Woodchuck Road 640 Comment
  RSA388057  Cheilanthes covillei Steve Boyd 1985-12-25 1199 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor. Comment
  RSA171334  Cheilanthes newberryi J. Olmstead 1962-5-2 3455 Riverside NW partly shady spot in small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 563 Comment
  CAS-BOT-BC68057  Cheilanthes parryi Annie M. Alexander; Louise Kellogg 1941-4-22 2061 Riverside Colorado Desert - White Water Canyon 548 Comment
  CAS-BOT-BC70329  Cheilanthes parryi Munz; Street; Williams 1919-3-25 2325 Riverside Palm Canyon 243 Comment
  UC667373  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-5-21 2214 Riverside n slope Eagle Mts (bed of canyon near its mouth); Colorado Desert, Eagle Mts 1158 Comment
  RSA0014459  Chenopodium Justin M. Wood, J. Miner 2010-4-29 1532 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA781298  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  SEINET269557  Chenopodium californicum Scott D. White 1996-5-27 4072 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  SEINET3090675 Image available Chenopodium californicum Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. Comment
  UCR154444  Chenopodium californicum A. C. Sanders, Mike Misenhelter 2005-6-15 30976 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
  CHSC98216  Chenopodium giganteum A. C. Sanders; Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  SEINET14416905  Chenopodium missouriense Mitch Provance 2012-1 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, .25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR256891  Chenopodium murale Duncan S. Bell, Evan Meyer 2014-4-2 6492 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness boundary, southern section of range; c. 0.4 air mile south of Canyon Spring 352 Comment
  UCSB63440  Chenopodium murale Helmkamp, G. 1996-3-11 Riverside At 35th Ave. and CA-78, 1.7 mi. north of Palo Verde 91 Comment
  POM248398  Chenopodium pratericola Philip Crow 1939-7-20 s.n. Riverside Blythe. Comment
  CAS-BOT-BC231791  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-26 s.n. Riverside Lost Palms Canyon, Eagle Mts. 762 Comment
  SEINET2065474 Image available Chilopsis linearis M. Roskey, F. Boyen 1933-6-5 521 Riverside Big Morongo Nature Conservancy Preserve, south of Morongo Valley. 502 Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  UCR87944  Chloris virgata A. C. Sanders 1994-1-30 14222 Riverside Corona, Orange Heights section. D.R. Horton Custom Homes tentative tract, north side of Chase Drive between Rimpau (Lester) Avenue and California (Compton) Avenue 300 Comment
  UCR75065  Chorizanthe brevicornu A. C. Sanders, E. J. Lawlor 1992-4-4 12116 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM122109  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UCR16538  Chorizanthe coriacea H. C. Sharma 1976-4-25 760425- 04 Riverside San Bernardino Valley, Reche Canyon, area opposite 7382 Reche Canyon Road 457 Comment
  CAS-BOT-BC191851  Chorizanthe corrugata Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canon [canyon] 30 Comment
  CHSC1316  Chorizanthe fimbriata var. fimbriata E. Thomas 1931-6-3 5 /26/1940 Riverside Temecula canyon. Comment
Read comments
Mar 27 2011
  RSA500530  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3620 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR24615  Chorizanthe leptoceras T. P. Krantz, G. Krantz, K. Berg 1980-4-24 s.n. Riverside San Jacinto River, one mile east of Valle Vista, just north of Highway 74 Comment
  CAS-BOT-BC191351  Chorizanthe leptotheca S. G. Stokes 1933-7-1 311 Riverside Road to Idyllwild, San Jacinto Mts. Comment
  UCR205450  Chorizanthe leptotheca Diane Menuz 2008-6-19 465 Riverside Peninsular Ranges: San Jacinto Mts, Garner Valley; c 0.3 mi east of Hwy 74, north of Morris Ranch Rd 1374 Comment
  UCR243124  Chorizanthe leptotheca Kate Kramer 2012-5-8 259 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  RSA666893  Chorizanthe parryi var. parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24183 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
  UCR116991  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato 2001-5-3 24072 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR275198  Chorizanthe parryi var. parryi T. B. Salvato, Gregg Miller 2005-6-7 1452 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  SBBG101663  Chorizanthe polygonoides var. longispina S. Boyd 1991-5-20 6265 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  SD148094  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-10 2348 Riverside Lake Skinner area, Lake Skinner County Park, 0.5 miles west of 'Old' Warren Road, 1.9 miles west of west of 'Old' Warren Road, 0.25 miles south of access road; Bachelor Mountain 7.5' quad. 470 Comment
  SEINET2026223 Image available Chorizanthe staticoides Scott D. White 2001-4-19 8380 Riverside Perris Basin. Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of I-215. 442 Comment
  UCR59224  Chorizanthe staticoides Ed LaRue 1989-5-3 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon 488 Comment
  SEINET3087441 Image available Chorizanthe xanti B. Pitzer 1986-4-26 190 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (Whitewater 7.5' quad). 732 Comment
  RSA736762  Chrysanthemum coronarium Scott D. White, Lynn Stafford 2007-7-5 11754 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  CLARK-A1528-1769  Chrysopsis villosa John C. Roos 1951-9-25 5299 Riverside Santa Ana River 259 Comment
  POM259197  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1938-8-14 15386 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  UCR23781  Chrysothamnus teretifolius John C. Roos 1943-10-16 2737 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  RSA0025897  Chylismia brevipes subsp. brevipes Jim Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UC1184319  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UC873886  Chylismia brevipes subsp. brevipes Ira L. Wiggins 1937-3-9 8756 Riverside wash 5 mi w Shaver's Well Comment
  UCD103877  Chylismia claviformis William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR279575  Chylismia claviformis A. C. Sanders, Jim Malusa 2017-3-28 43140 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CAS-BOT-BC160582  Chylismia claviformis subsp. aurantiaca N. Aitkenhead 1977-2-2 2185 Riverside ~1 mi. from intersection of JT Mon Rd & pipeline Comment
  GMDRC9795  Chylismia claviformis subsp. aurantiaca J. M. Andre 2017-3-1 37997 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  UC700979  Chylismia claviformis subsp. aurantiaca Aven Nelson, Ruth A. Nelson 1939-3-22 3215 Riverside Hwy 99 near Palm Springs Comment
  UC874160  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  CAS-BOT-BC162782  Chylismia claviformis subsp. claviformis N. Aitkenhead 1977-2-2 60062 A Riverside ~1 mile from junction of J.T. Mon. Rd. & pipeline. Comment
  RSA725957  Cichorium intybus Mitch Provance 2003-7-4 4643 Riverside San Bernardino Valley: Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives. 226 Comment
  JEPS30448  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mi up road toward Mount Santa Rosa summit; San Jacinto Mts. Comment
  RSA85521  Cirsium occidentale var. californicum J. C. Roos 1952-4-27 5586 Riverside San Timoteo Canyon south of Redlands. 427 Comment
  UC1175017  Cirsium occidentale var. californicum P. C. Everett, E. K. Balls, L. W. Lenz 1959-5-29 23821 Riverside 7.9 mi from Banning (on road to Idylwild, San Jacinto Mountains); San Jacinto Mountains Comment
  RSA0066519  Cirsium occidentale var. californicum Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17270 Riverside 7.9 miles SE of Banning on Hwy to Idyllwild, San Jacinto Mts. 1220 Comment
  UCR25723  Cirsium scariosum John LaSalle 1982-4-29 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta; c. 3 mi. SW of Palomar Rd on Clinton Keith Rd. 549 Comment
  CAS-BOT-BC285737  Cirsium vulgare Scott D. White 1996-9-22 4537 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  CAS-BOT-BC438847  Cistanthe monandra H. S. Yates 1937-3-23 6405 Riverside 2 miles north of Palm Springs 213 Comment
  RSA33775  Cistanthe monandra N. C. Cooper 1944-5-21 1284 Riverside San Jacinto Mountains, West side 915 Comment
  UCR57226  Clarkia Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UCR37455  Clarkia deflexa Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA85121  Clarkia epilobioides J. C. Roos 1952-5-7 5618 Riverside Box Springs Mountains, north of Canyon Crest Heights 488 Comment
  CLARK-A1528-2655  Clarkia purpurea Mark Wilson 1980-5-30 5-30- 80 /3 Riverside San Timoteo Canyon Comment
  UCR158718  Clarkia purpurea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30034 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
  OBI33538  Clarkia purpurea subsp. quadrivulnera Patricia Tomlinson 1981-5-24 33 Riverside SW Riverside Co. At Mesa Colorado, approx 1 mi S of Tenaja rd, 3 mi E of Squaw Mtn, area near vernal pools 652 Comment
  UC20333  Clarkia purpurea subsp. quadrivulnera H. M. Hall June, 1901 Riverside s side Small Valley; San Jacinto Mountains 1310 Comment
  UC1422887  Clarkia rhomboidea Raven 1957-7-26 11085 Riverside 0.9 mi n Vista Grande Ranger Station (Banning to Idyllwild road, 1.9 mi s of road to Poppet Flat); San Jacinto Mountains Comment
  CHSC109027  Claytonia parviflora Duncan S. Bell; Joy England 2010-5-17 1003 Riverside insular ranges; San Jacino Mountains regions: San Bernardino National Forest: Rouse rrdge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potentail habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  RSA523483  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3943 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  UCR16509  Claytonia parviflora subsp. utahensis Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., Tahquitz Meadows [Camp Tahquitz Meadows, north of Hwy 74 at site of Keen Camp, east of Mtn. Center], about 25 yards northeast from place stream crosses under road 1372 Comment
  RSA527872  Claytonia perfoliata Scott D. White 1991-5-24 91 -70 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf & W of Hwy 38, S of Hwy 18 & Baldwin Lake. 2073 Comment
  UCR241201  Claytonia perfoliata Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 255 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  OBI74378  Clematis lasiantha David J. Keil 1983-4-15 16900 Riverside E of Temecula on SR 79 Comment
  POM17833  Clematis lasiantha P. A. Munz, D. D. Keck 1923-6-14 7084 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  POM8679  Clematis pauciflora P. A. Munz, Harwood 1920-2-28 3264 Riverside 2 mi. southwest of Corona. 305 Comment
  RSA180259  Clematis pauciflora E. W. Lathrop 1965-3-30 5593 Riverside Tenaja Guard Station, 16 mi. W of Murrieta. Comment
  UC1506119  Clematis pauciflora E. R. and T. P. Clausen 1963-4-23 Riverside s. of Red Mt. (s. slope of transverse ridge); Transverse Ranges 980 Comment
  POM13027  Cleome isomeris P. A. Munz 1922-4-13 4933 Riverside Eagle Mountains, Colorado Desert. Sandy wash from Anshutz Canyon. 366 Comment
  RSA440810  Cleome isomeris N. C. Cooper 1944-4-23 1117 Riverside Cabazon 457 Comment
  RSA663837  Cleome isomeris C. R. Annable, Lee Barron 1995-3-11 2268 Riverside Cactus City rest stop on I-10. Comment
  UCR85282  Coleogyne ramosissima Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Pinto Mtns, west of Arch Rock along geology trail to Grand Tank, at 'Disappearing Rock' signboard and in campground adjacent to trail 1189 Comment
  RSA0018455  Collinsia concolor Keith E. Hoffmaster 1937-6-6 773 Riverside San Jacinto Mountains. Comment
  RSA0117429  Collinsia concolor Steve D. Boyd, Orlando Mistretta 1991-5-22 6299 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UC50322  Collinsia heterophylla H. M. Hall Apr 1903 3825 Riverside vicinity of Riverside 335 Comment
  SD140011  Colubrina californica Andy C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside McCoy Mountains; within I(c) mile of Mc Coy Spring, below and to the south of the canyon bottom 244 Comment
  UC520002  Conium maculatum Joseph Andorfer Ewan 1932-7-9 7493 Riverside 1 mi n of Rincon (in Chico Creek at Santa Ana River); Santa Ana River, Chico Creek Comment
Read comments
Nov 6 2011
  RSA394802  Convolvulus arvensis Luther A. Rice 1891-6-1 s.n. Riverside Near Riverside Comment
  UCR201428  Convolvulus arvensis Scott D. White, Justin M. Wood 2008-6-17 12162 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC224364  Convolvulus simulans D. Bramlet 1993-4-14 2327 Riverside Gavilan Hills: Black Rocks Area. The site is 762m NE of Black Rocks and 1.2km south of Cajalco Road. The locality is 305m east of the existing orange groves 445 Comment
  UCR189783  Convolvulus simulans Diane Menuz 2006-4-21 049 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, near Mesa de Burro, on and north of Waterline Road 570 Comment
  CLARK-A1656-875  Conyza canadensis Jim Cornett 1977-9-23 Riverside Palm Springs 149 Comment
  RSA78304  Cordylanthus nevinii Philip A. Munz, E. K. Balls 1952-8-21 17976 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UCR132920  Cordylanthus rigidus 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
  RSA412304  Cordylanthus rigidus subsp. setiger N. C. Cooper 1943-9-11 892 Riverside San Jacinto Mountians, Idlewild. 1829 Comment
  UC26344  Cordylanthus rigidus subsp. setiger Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UC1262274  Coreopsis californica var. californica C. W. Tilforth, J. Dourley, W. Wisura 1978-3-10 1502 Riverside 5 mi mw of Alberhill (along Hiway 71) 365 Comment
  RSA192329  Corethrogyne filaginifolia E. W. Lathrop 1966-9-14 6596 Riverside 3 miles SW of Murrieta. Comment
  RSA293512  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Walter Wisura 1979-8-8 1892 Riverside Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. 1037 Comment
  UCR32325  Coryphantha vivipara var. alversonii Faulkner 1978-3-21 342 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  CAS-BOT-BC291361  Cotula coronopifolia Mrs. J. D. Abrams 1901-5-23 s.n. Riverside Elsinore Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR281094  Crassula aquatica Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 51 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  GMDRC6925  Crassula connata J. M. Andre 2015-3-2 31357 Riverside along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 529 Comment
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 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
  UCR174942  Crassula connata Jennifer H. Jones, Toby Bartels 2006-4-23 282 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR97293  Crassula solieri Scott D. White 1993-3-12 1151 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCD101825  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region; Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  OBI37523  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Keith Rd, just E of the Bear Crk development golfcourse Comment
  SEINET3091112 Image available Cressa truxillensis J. Jacobi 1970-4-30 0430 -4 Riverside Coll. 1 mi. N of Lakeview, Calif in flat, open area. Comment
  SD137802  Crocanthemum aldersonii Darin L. Banks, Steve Boyd 1995-6-2 572 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tiobia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  SD49852  Crossosoma bigelovii Jane Turner 1959-3-21 75 Riverside Morongo Wash, 8 miles north of US Hwy 99 along road to Morongo Valley Comment
  RSA0034095  Croton californicus Duncan S. Bell 2013-1-30 4455 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SD2813  Croton californicus Ruth B. Randall 1926-2-22 66 Riverside Whitewater Pass. Comment
  UC570802  Croton californicus Margaret Stason 1927-3-12 Riverside Thousand Palms Colorado Desert Comment
  UCSB3576  Croton californicus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  POM14053  Croton californicus var. mohavensis P. A. Munz, D. D. Keck 1922-4-14 5010 Riverside East of Whitewater Ranch 244 Comment
  RSA38278  Croton californicus var. tenuis P. A. Munz 1946-10-18 11561 Riverside Round-top hill northwest of Aguanga. 793 Comment
  UC1010304  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside river bottomland 1 1/2 mi se Perris; San Jacinto River 426 Comment
  RSA650994  Cryptantha angustifolia David B. Dunn, H. Lint 1955-4-1 11832 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  RSA791597  Cryptantha angustifolia D. Silverman 2010-3-24 7825 Riverside South Palen Lake, Chuckawalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10. 130 Comment
  UC1063929  Cryptantha angustifolia H. S. Yates 1936-4-7 5442 Riverside 2.5 mi s Willis Palms; Thermal Quad. 243 Comment
  UCR148856  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR228174  Cryptantha angustifolia Dave Silverman, Onkar Singh 2010-3-26 7849 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 2.2 km E of Black Creek Rd, c. 5 km W of McCoy Wash, and c. 8 km N of I-10 146 Comment
  UCR279573  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-28 43143 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR6094  Cryptantha angustifolia A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert on Hwy. 74 and 0.5 mi E '350 ft. 183 Comment
  UCR138587  Cryptantha barbigera Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1330 Riverside Western Colorado Desert, Mecca Hills: Box Canyon, along Hwy 195 305 Comment
  JOTR34338  Cryptantha barbigera var. fergusoniae Andre, Jim 2012-4-11 20681 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
  SD167193  Cryptantha barbigera var. fergusoniae A. C. Sanders Feb 1987 6976 Riverside Sonoran (Colorado) Desert; foot of Ra;bbit Peak on the trail up from the mountain from the east. 121 Comment
  SD186127  Cryptantha barbigera var. fergusoniae N. M. Fellows, A. C. Sanders and A. Strickland 1986-4-8 180 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains. 488 Comment
  SDSU21880  Cryptantha barbigera var. fergusoniae Kristen Hasenstab, M. G. Simpson 2008-4-2 66 Riverside Joshua Tree National Park. North side of Split Rock, 100ft south of the trail wrapping around Split Rock. 1294 Comment
  UCR182314  Cryptantha corollata Mitch Provance 2003-4-5 6614 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  POM47499  Cryptantha costata Mary F. Spencer 1920-4-7 1527 Riverside Palm Canyon. Colorado Desert 182 Comment
  RSA0078808  Cryptantha cycloptera Duncan S. Bell 2009-3-7 21 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
  CAS-BOT-BC218763  Cryptantha holoptera A. C. Sanders; T. B. Salvato 2000-5-16 23391 Riverside Colorado Desert: Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon; where large wash crosses under powerlines. 30 Comment
  CLARK-A1528-2217  Cryptantha intermedia John C. Roos 1947-3-21 3366 Riverside Reche Canyon Comment
  JEPS67649  Cryptantha intermedia W. L. Jepson 1935-4-17 19155 Riverside 1.5 mi n Elsinore (sw Riverside County) 457 Comment
  RSA500070  Cryptantha intermedia Steve Boyd 1989-4-2 3241 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  SBBG53358  Cryptantha intermedia J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UCR122540  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 2001-5-20 6669 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR142239  Cryptantha intermedia June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR172756  Cryptantha intermedia Abby Sirulnik, Ian G. Gillespie 2000-5-14 43 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR268582  Cryptantha intermedia var. intermedia Jim Andre 2012-6-15 30492 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA0075620  Cryptantha intermedia var. johnstonii Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA0014315  Cryptantha maritima Justin M. Wood, J. Miner 2010-4-30 1549 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  UCR41597  Cryptantha maritima A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6121 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SDSU18679 SDSU18679
Image available
Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 45 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  UC1601969  Cryptantha micrantha A. W. Anthony 1895-7-9 Riverside San Jacinto Mt. 2438 Comment
  UC24833  Cryptantha micrantha H. M. Hall 1901-6-24 Riverside Fuller's Mill, w side of San Jaicnto Mountains San Jacinto Mountains 1767 Comment
  JOTR35464  Cryptantha micrantha var. lepida Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 67 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR133046  Cryptantha micromeres Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; at top of Cole Canyon 579 Comment
  RSA735924  Cryptantha microstachys Scott D. White, Justin Wood 2008-5-29 12047 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR100438  Cryptantha microstachys B. G. Pitzer 1997-4-11 3118 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  RSA585729  Cryptantha muricata D. L. Banks, S. D. Boyd 1995-5-9 391 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR167792  Cryptantha muricata T. B. Salvato, Gregg Miller 2005-6-3 1382 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  RSA0014945  Cryptantha muricata var. jonesii LeRoy Gross, Evan Meyer 2013-5-21 6114 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  RSA0079425  Cryptantha muricata var. jonesii P. A. Munz, I. M. Johnston 1922-5-21 5502 Riverside Kenworthy, San Jacinto Mountains. 1432 Comment
  RSA0079426  Cryptantha muricata var. jonesii Robert Gustafson 1983-4-18 2501 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UC64412  Cryptantha oxygona H. M. Hall May 1899 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  CAS-BOT-BC68028  Cryptogramma acrostichoides J. Ewan 1930-9-1 2165 Riverside Summit of Mt. San Jacinto 3293 Comment
  UCR77763  Cucurbita foetidissima Steve Boyd 1991-9-8 6431 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  UCR215592  Cucurbita palmata Jim Andre, T. La Doux 2008-9-16 10705 Riverside Mojave Desert, Joshua Tree National Park, on the northeast end of Splitock Picnic Area 1327 Comment
  UC1134206  Cupressus forbesii H. E. Norton 1931-3-20 40 A Riverside 4 mi se Corona; Corona Quad. 457 Comment
  POM198070  Cuscuta californica Joseph A. Ewan 1932-3-11 7095 Riverside Deep Canyon wash Comment
  UC23232  Cuscuta californica H. M. Hall Jun 1901 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  CAS-BOT-BC224604  Cuscuta californica var. papillosa Lewis S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash Comment
  UCR127530  Cuscuta pentagona Scott D. White 1995-7-7 3452 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA0097555  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18291 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  RSA0097199  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-7 18399 Riverside San Gorgonio River, 2 km south of Cabazon, 2.6 km NNW of Hurley Flat, 26 km WNW of central Palm Springs. 510 Comment
  RSA706977  Cynodon dactylon L. M. Prince, J. I. Davis, J. Mark Porter, R. Cerros, N. Refulio 2002-3-16 2 -265 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  RSA544300  Cynodon dactylon Steve Boyd 1991-7-13 6419 -B Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  CAS-BOT-BC114543  Cyperus eragrostis Crawford; Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona. Comment
  RSA630336  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  UCR265057  Cyperus involucratus Mitch Provance 2012-11-9 612- 52 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  SEINET3228137  Cyperus rotundus G. Rink, K. Routson 2012-9-3 11660 Riverside Agricultural fields about 10 miles southwest of Blythe 70 Comment
  CAS-BOT-BC70571  Cystopteris fragilis Geo. B. Grant 1901-8-1 464 Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  JEPS35183  Cystopteris fragilis Carl V. Meyer 1928-7-27 555 Riverside summit San Jacinto Peak Comment
  CLARK-A1528-2767  Dalea emoryi John C. Roos 1966-5-2 Riverside Palm Springs 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
  RSA796027  Dalea mollis Duncan S. Bell 2009-4-18 237 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC1212086  Dalea mollis Peter M. Ray 1949-3-6 1327 Riverside near 1000 Palms (Willis Palms); Coachella Valley, Willis Palms Comment
  UCR166721  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  POM172738  Dalea mollissima M. French Gilman 1930-4-6 1 Riverside East of Mecca. Comment
  RSA0031553  Dalea mollissima Duncan S. Bell 2013-1-30 4443 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  RSA23177  Dalea mollissima I. L. Wiggins 1938-3-25 8928 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  CLARK-A1656-794  Dalea schottii Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 853 Comment
  SEINET3407708 Image available Dalea spinosa C. W. Tilforth 1976-7-21 Riverside Large wash along Hwy. 195, c. 15 miles ne of Mecca, Colorado Desert Comment
  CAS-BOT-BC283037  Dasyochloa pulchella Carl B. Wolf 1932-4-27 2995 Riverside 14 mi. east of Mecca on Blythe Road, E. of Shavers Well, Colorado Desert 152 Comment
  CAS-BOT-BC402177  Datisca glomerata R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SD70874  Datisca glomerata Helen V. Witham 1969-7-2 168 Riverside De Luz Creek crossing, 4 miles north of De Luz (mak 6/06) 249 Comment
  SEINET5765990 Image available Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Riverside: residence of O. F. Clarke, 1012 Spruce St.; cultivated plants and weeds on 3 1/2 acres of former orange orchard. 1000 Comment
  UCR16392  Datura wrightii J. R. Sweeten 1965-5-15 017 Riverside San Bernardino Mtns., White Water Canyon Road, about 3 mi from its jct with Hwy 60 549 Comment
  JOTR01199  Datura wrightii Cole, James E. 1941-4-13 562 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA487426  Daucus pusillus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA666895  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 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
  SDSU13564  Deinandra fasciculata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  UCSB37786  Deinandra fasciculata Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  OBI16255  Deinandra kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Cyn s of Hemet Comment
  UC2030093  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  UCR94070  Deinandra mohavensis Scott D. White 1995-8-23 3562 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
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Jan 8 2013
  CAS-BOT-BC7982  Delphinium parishii subsp. parishii S. Parish 1896-4-1 S.N. Riverside Palm Springs Comment
  PASA2532  Delphinium parryi 1922-5-18 Riverside Road south of Lake Elsinore 377 Comment
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Jun 24 2016
  SD140017  Delphinium parryi Scott White 1993-4-22 1249 Riverside North Aberhill Ranch, in hills N of Walker Canyon 487 Comment
  SDSU10045  Delphinium parryi H. Wedberg 1962-5-23 942 Riverside 4.8 miles from hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR174549  Delphinium parryi Jennifer H. Jones 2006-6-6 401 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA221050  Dendromecon rigida subsp. rigida E. W. Lathrop 1966-3-23 6090 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 610 Comment
  RSA433242  Dendromecon rigida subsp. rigida A. M. Johnson 1932-8-18 4137 Riverside San Jacinto Mtns. east side along road Comment
  RSA760321  Deschampsia danthonioides R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55219 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  RSA234055  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop 1969-5-12 37950 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  RSA775969  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 860 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  RSA775809  Dichelostemma capitatum subsp. capitatum Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 889 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  SD133245  Dichelostemma capitatum subsp. capitatum Scott White 1991-5-13 91 106 Riverside Highway 79, immediately west of U.S. Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  UCSB37803  Dicoria canescens Roos, John 1957-12-26 Riverside 6 miles N.W. of Thousand Palms, Coachella Valley 152 Comment
  SEINET11853153  Dicoria canescens S. B. Parish, Parish, W. F. 1880-1 7 Riverside Whitewater Comment
  CAS-BOT-BC131051  Dieteria canescens var. ziegleri Philip A. Munz 1938-8-13 15332 Riverside Near Santa Rosa Peak 2316 Comment
  SD115008  Dieteria canescens var. ziegleri Fred T. Sproul 1977-8-13 185 Riverside Along road to Santa Rosa Pk. At beginning of Pine-Oak Woodland (mak 11/07) Comment
  UCR207224  Digitaria ischaemum O. F. Clarke 2003-6-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0018435  Diplacus longiflorus var. calycinus N. C. Cooper 1944-7-15 1554 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  JOTR37429  Ditaxis lanceolata La Doux, Tasha 2016-3-9 3664 Riverside Above Hayfield Dry Lake - Stop 3 524 Comment
  UCR274222  Ditaxis serrata var. californica Duncan S. Bell, Evan Meyer 2014-10-28 7660 Riverside Santa Rosa Mountains, the foot of the mountains between Toro Canyon and Martinez Canyon 169 Comment
  SBBG72435  Dithyrea californica unknown 1895-1 Riverside Palm Springs Comment
  SD224894  Dithyrea californica A. C. Sanders, K. Rose & D. Woodard 1995-3-15 16142 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 328 Comment
  SEINET3195132 Image available Dithyrea californica Andrew C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert; pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe (Roosevelt Mine 7.5' Q.) 134 Comment
  UCD84928  Dithyrea californica Chuck Hughes 2010-3-21 200 Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  CLARK-A1045-178  Downingia cuspidata George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UC489272  Draba corrugata var. saxosa C. V. Meyer 1928-7-27 549 Riverside San Jacinto Peak 3291 Comment
  POM90569  Draba cuneifolia var. integrifolia E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  RSA0006633  Draba saxosa Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  RSA423468  Dudleya Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  SDSU13670B  Dysphania ambrosioides W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR211721  Dysphania botrys Fred M. Roberts, D. E. Bramlet 2005-6-6 6246 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  CAS-BOT-BC334247  Echeveria A. C. Sanders 2010-5-23 38426 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Comment
  SEINET8060010 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 11 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 4 2016
  SEINET8060926 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 13 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north. Directly under power lines, near base of tower. West of the hill 900 Comment
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Jun 5 2016
  UC403451  Echinocereus engelmannii Munz and Johnston 1922-5-21 5570 Riverside 2 mi below Kenworthy; San Jacinto Mts., Thomas Valley Comment
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Mar 25 2011
  UCR163093  Echinochloa colona B. G. Pitzer, G. R. Ballmer 2000-10-14 4225 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  JEPS32219  Echinodorus berteroi S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
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Aug 8 2010
  RSA69869  Eclipta prostrata J. C. Roos 1951-9-22 52332 Riverside Fairmont Park. 244 Comment
  RSA206504  Eleocharis acicularis E. W. Lathrop 1969-5-29 7080 Riverside 8 miles west of Murrieta, Trail between Tenja Road and Los Alamos Canyon. Comment
  UCR272501  Eleocharis acicularis Mitch Provance 2012-8-8 812- 01 Riverside San Gorgonio Pass, Banning, S. Hathaway St., between Adams St. and Bryan St. 659 Comment
  JEPS19328  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  RSA703625  Eleocharis parishii Scott D. White, Angelia Carey 2004-9-16 10763 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  UCR111564  Eleocharis parishii Mitch Provance 1999-5-4 1683 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR241227  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 508 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA69833  Elymus X gouldii J. C. Roos, L. Roos 1951-10-24 5344 Riverside Fairmount Park. 259 Comment
  UC729841  Elymus elymoides subsp. elymoides Carl B. Wolf 1932-8-5 3948 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  CAS-BOT-BC203642  Elymus glaucus subsp. glaucus S. B. Parish; W. F. Parish 1881-7-1 1014 Riverside San Jacinto Mts., Tahquitz Valley Comment
  UCR252007  Elymus hispidus A. C. Sanders, T. B. Salvato 2014-7-2 41185 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR75542  Elymus triticoides A. C. Sanders 1993-5-12 14015 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  HSC93130  Emmenanthe penduliflora Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA613640  Emmenanthe penduliflora D. L. Banks, Victor W. Steinmann 1997-3-13 1479 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA697748  Emmenanthe penduliflora J. R. Bruff s.n. Riverside Palm Springs. Comment
  UC667294  Emmenanthe penduliflora Annie M. Alexander and Louise Kellogg 1941-5-11 2147 Riverside 1.5 miles north of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UCR260542  Emmenanthe penduliflora var. penduliflora T. B. Salvato 2014-5-29 8027 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UC101061  Encelia actoni Dr. R. J. Smith 1904-1-1 302 Riverside Cabezon Comment
  UC111183  Encelia californica F. M. Reed 1907-2-2 1211 Riverside near Prenda Station; Lincoln Heights Comment
  CAS-BOT-BC131321  Encelia farinosa Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC131328  Encelia farinosa Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2127 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  LA31386  Encelia farinosa Jane Turner; Barbara Wlatreel, Virginia Sjaholm 1959-3-21 C 173 Riverside Morongo Wash Comment
  RSA739853  Encelia farinosa J. L. Strother 2008-3-10 1368 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  UC1929638  Encelia farinosa V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  UC895519  Encelia farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs Comment
  UCR250882  Encelia farinosa S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1051 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  UCR256721  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  POM289849  Encelia farinosa var. farinosa Lyman Benson 1933-3-31 4157 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto. 305 Comment
  RSA556519  Encelia farinosa var. farinosa Julie Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  CAS-BOT-BC131423  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near Chuckawalla Springs Comment
  RSA761294  Encelia frutescens Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-25 217 Riverside Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62. 420 Comment
  SD224841  Encelia frutescens G. K. Helmkamp 1998-4-4 3132 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  LA81891  Ephedra californica Robert F. Thorne; 1964-5-3 33851 Riverside near hwy ca 4 mi. S of Morongo Valley and ca 3 mi. S of San Bernandino Co. line Comment
  RSA383871  Ephedra californica M. B. Dunkle 1932-3-25 2874 Riverside Cabazon, Colorado Desert. Comment
  RSA650254  Ephedra californica Donald W. Harshberger 1949-2-6 s.n. Riverside 10 miles NE of Palm Springs, on Lazy B Ranch, at sea level 0 Comment
  UC205579  Ephedra californica H. M. Hall 1919-3-25 Riverside Whitewater Wash Comment
  UCR237686  Ephedra californica Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4739 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  CAS-BOT-BC81873  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  POM47979  Epilobium angustifolium subsp. circumvagum P. A. Munz, I. M. Johnston 1924-7-27 8731 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  UC873162  Epilobium campestre P. A. Munz and J. M. Johnston 1922-5-19 5368 Riverside Menifee Valley 426 Comment
  SDSU13550  Epilobium canum subsp. canum W. Miller, C. Mosse 1972-7-12 Riverside Comment
  CAS-BOT-BC171747  Epilobium canum subsp. latifolium Lewis S. Rose 1935-12-18 35656 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert 182 Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA72330  Epilobium canum subsp. latifolium F. W. Peirson 1928-11-30 8212 Riverside Cottonwood Spring, northern Colorado Desert. Comment
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Oct 9 2010
  UC20676 Image available Epilobium canum subsp. latifolium H. M. Hall 1901-7-1 2567 Riverside ridge of w side San Jacinto Mountains 2042 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  UCR159202  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UC20067  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-7-3 2377 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1584 Comment
  UC472831  Epilobium glaberrimum subsp. glaberrimum Mary Fiske Spencer 1919-7-1 Riverside Idyllwild San Jacinto Mt. 1584 Comment
  RSA381718  Epipactis gigantea Burton 1908-5-30 s.n. Riverside Riverside. Comment
  UC472747  Epipactis gigantea M. F. Spencer 1922-6-23 33 Riverside near Idyllwild; Colorado Desert, San Jacinto Mt. Comment
  POM965  Equisetum arvense L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  POM961  Equisetum laevigatum Crawford, Johnston 1216 Riverside Santa Ana River near Corona. Comment
  CAS-BOT-BC204533  Eragrostis curvula S. Morgan 1992-7-27 92 -7 Riverside UCR campus. In the Latin American section of the UCR Botanical Garden; garden quad. F-4 Comment
  UCR23990  Eragrostis mexicana subsp. virescens John C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  UC577615  Eragrostis minor H. S. Yates 1937-6-28 6731 Riverside Palm Springs; San Jacinto Quad. Comment
  POM78995  Eragrostis pectinacea I. M. Johnson 1925-7-19 s.n. Riverside Pedley. Comment
  UCR115141  Eragrostis pectinacea var. miserrima Mitch Provance 2000-10-28 2277 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  CAS-BOT-BC168359  Eremogone ferrisiae Reid Moran 1968-8-3 15366 Riverside North slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  CAS-BOT-BC160056  Eremothera boothii subsp. condensata Alice Eastwood 1913-4-30 3001 Riverside Palm Springs Comment
  UCR279539  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-28 43156 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR279551  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-29 43175 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
  CLARK-A1528-3491  Eriastrum densifolium John C. Roos 1965-7-22 Riverside San Jacinto Mountains Comment
  UC909037  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. San Jacinto Comment
  CAS-BOT-BC514316  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside About halfway, on road between Banning and Strawberry Valley, Mt. San Jacinto 1524 Comment
  UCR126206  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  JOTR31166  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  UC1143718  Eriastrum diffusum subsp. coachellae P. A. Munz and I. M. Johnston 1922-5-6 5169 Riverside Dry Morongo Wash, Little San Bernardino Mts. Comment
  RSA0120678  Eriastrum harwoodii Duncan S. Bell 2012-4-5 3311 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  RSA120688  Eriastrum harwoodii Duncan S. Bell 2010-4-1 650 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA0135761  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot, Robert K. Lauri 2005-7-7 5113 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08. 796 Comment
  RSA0122013  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4591 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA0122950  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  RSA0122974  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-08 2635 Riverside San Jacinto Mountains. The south side. 1585 Comment
  RSA696813  Ericameria monactis W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
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May 28 2014
  LA204641  Ericameria nauseosa H. Lewis; 1939-10-22 1035 Riverside San Jacinto Mountains, Hemet Lake Comment
  GMDRC2526  Ericameria nauseosa var. mohavensis J. Andre, T. La Doux 2007-9-6 8703 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  UCR141252  Ericameria palmeri var. pachylepis A. C. Sanders, Kelly Volansky 2004-10-6 28818 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR150558  Ericameria palmeri var. pachylepis Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  JEPS21393  Ericameria paniculata W. L. Jepson 1916-5-18 6031 Riverside n of Indio (County Well, n side of Colorado Desert); Colorado Desert, Conchilla Mts. Comment
  JOTR34118  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  UCR251343  Ericameria paniculata S. J. Myers 2014-5-21 1054 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR274002  Erigeron canadensis Mitch Provance 2012-9-11 17628 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  POM97995  Erigeron divergens E. C. Jaeger 1926-4-15 s.n. Riverside Desert Queen Mine 1220 Comment
  RSA701120  Erigeron foliosus Michael Wall 1996-7-1 168 Riverside Cherry Valley, Beaumont/Oak Glen Rd., 2.6 mi. N of Cherry Valley Blvd., W side of road in open flat field. 610 Comment
  JOTR32351  Erigeron parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2467 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
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May 18 2013
  UCSB51407  Eriochloa acuminata Roos, A. 1937-11-28 Riverside East Washington St., Riverside Comment
  UC1100239  Eriochloa acuminata var. acuminata Malcolm A. Nobs, S. Galen Smith 1948-9-3 495 Riverside 2 mi n of Indio (Imperial Valley); Imperial Valley Comment
  LA102173  Eriochloa aristata var. aristata John C. Roos; 1965-9-26 sn Riverside Indio Comment
  CAS-BOT-BC189077  Eriodictyon crassifolium Carl B. Wolf 1932-5-24 3650 Riverside 0.5 mile below fish hatchery, Snow Creek Canyon, N base of San Jacinto Mountains 548 Comment
  HSC84146  Eriodictyon crassifolium Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtn., 1 mi. up Bee Canyon off Hwy. 74 457 Comment
  POM8683  Eriodictyon crassifolium P. A. Munz, R. D. Harwood 1920-2-28 3262 Riverside 2 mi. southeast of Corona, 305 Comment
  RSA600575  Eriodictyon crassifolium Louis C. Wheeler 1962-7-28 8182 Riverside Temescal Valley. 100 yards north of well and north of Sambucus with ''No Trespassing, No Hunting'' sign. Comment
  UCR156084  Eriodictyon crassifolium T. B. Salvato, Kent Beaman 2005-5-16 806 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
  RSA0106413  Eriodictyon trichocalyx subsp. trichocalyx Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed above Market St. Bridge. Comment
  RSA784543  Eriogonum J. D. Olmsted 1959-9-22 s.n. Riverside Santa Ana Mts. to south, Drainage area to Pacific Ocean: Tributary from south into Santa Ana Can. at 3M clay workings [3M is a company]. North of Hwy 0.5 mi south of Santa Ana River. 8-10 mi SW of Corona. 131 Comment
  UCR193406  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35621 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  RSA6028  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  JOTR29585  Eriogonum davidsonii Andre, Jim 2006-4-26 6764 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA393472  Eriogonum davidsonii H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA766423  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 1000 Riverside Mount San Jacinto. 1829 Comment
  SEINET6340502  Eriogonum davidsonii Norman C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountain, above Pine Cove 2073 Comment
  UC6305  Eriogonum davidsonii H. M. Hall 1898-6-27 953 Riverside El Toro Mt. San Jacinto Mountains, El Toro Mt. 1828 Comment
  UCR89690  Eriogonum davidsonii G. R. Ballmer 1992-5-17 92 35 Riverside Santa Rosa Mtns, Deep Canyon, trail from Hwy 74 to bottom of canyon, in vicinity of Pinyon Crest 915 Comment
  SEINET11932637  Eriogonum davidsonii J. F. Emmel 1979-1 694 Riverside SE end Jacinte Mts S base of Sugarleaf Mt. near SE end of Pinyon Flat 1219 Comment
  SEINET11937895  Eriogonum deflexum var. deflexum L. S. Rose 1936-1 36824 Riverside Hayfield, 5 mi W of Desert Center 610 Comment
  RSA393519  Eriogonum elongatum N. C. Cooper 1943-9-26 930 Riverside Cabazon. 549 Comment
  RSA708052  Eriogonum fasciculatum subsp. foliolosum Scott D. White, Angelia Carey 2004-4-16 10169 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR137035  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2004-5-5 27780 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  POM158441  Eriogonum fasciculatum var. foliolosum P. A. Munz 1927-5-21 10881 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  UCR141248  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Kelly Volansky 2004-10-6 28816 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  CAS-BOT-BC250136  Eriogonum fasciculatum var. polifolium Annie M. Alexander; Louise Kellogg 1941-5-23 2223 Riverside Colorado Desert. 1.5 miles northeast of Cottonwood Spring, Eagle Mountains 975 Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  RSA393340  Eriogonum fasciculatum var. polifolium H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  UC1032089  Eriogonum fasciculatum var. polifolium A. Lewis 1933-1-26 175 F Riverside Cactus Valley San Jacinto Quadrangle, Cactus Valley Comment
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Mar 20 2011
  UCR235221  Eriogonum gracile A. C. Sanders, John F. Green 2012-6-1 40238 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
  RSA562608  Eriogonum gracile var. gracile Steve Boyd 1992-10-14 7718 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak. 976 Comment
  UCR21845  Eriogonum gracile var. gracile 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
  RSA0100140  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8558 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR272193  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8561 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  UCR75071  Eriogonum inflatum A. C. Sanders, E. J. Lawlor 1992-4-4 12138 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA338172  Eriogonum maculatum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53580 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA520944  Eriogonum nudum var. pauciflorum Steve Boyd, Dave Bramlet 1988-10-8 2867 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCSB12437  Eriogonum nudum var. pauciflorum Breedlove, Dennis 1961-8-4 Riverside Black Mtn Campground; NW side of Black Mtn; San Jacinto Mtns 2286 Comment
  SFV8352  Eriogonum pusillum M. Andriessen 1962-4-18 34 Riverside San Jacinto Mountains State Highway 74, about 10 miles from Palm Desert. Comment
  UC668383  Eriogonum pusillum Annie M. Alexander and Louise Kellogg 1941-4-22 2056 Riverside Morongo Valley Gorge 701 Comment
  UC598736  Eriogonum reniforme John Bright 1936-4-21 12845 Riverside about 5 mi n Palm Springs; Colorado Desert Comment
  JEPS56317  Eriogonum saxatile H. M. Hall May 17 1901-Jun 1 1901 1842 Riverside Comment
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Sep 17 2011
  CAS-BOT-BC263509  Eriogonum thomasii E. A. McGregor 1917-3-18 790 Riverside 4 mi. up Painted Canyon Comment
  CAS-BOT-BC263523  Eriogonum thomasii John H. Thomas 1957-3-30 6549 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  CAS-BOT-BC263530  Eriogonum thomasii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  RSA554427  Eriogonum thomasii Theo Glenn 1991-5-24 91 -131 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  RSA779594  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UC2058836  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio Junction I-10 /SR 111. Cottonwood Basin 7.5' Quad. Comment
  UCR245950  Eriogonum thomasii Duncan S. Bell 2009-3-7 08 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  RSA0130725  Eriogonum thomasii Glen Rink 2013-3-18 11882 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  RSA424978  Eriogonum thurberi H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  RSA708566  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UC534947  Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside road to Idyllwild 1219 Comment
  UCR174130  Eriogonum thurberi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32610 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JOTR35348  Eriogonum trichopes Harding, Mitzi, Mark Wheeler 2012-2-28 115 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  LA207113  Eriogonum wrightii var. membranaceum F. H. Lewis; 1939-11-22 1026 Riverside 1523 Comment
  RSA297402  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  UC1133262  Erioneuron pulchellum H. S. Yates 1937-3-24 6454 Riverside Deep Canyon Thermal Quadrangle Comment
  POM256950  Eriophyllum confertiflorum W. Pequegnat 1940-5-17 s.n. Riverside Bedford Truck Trail, Santa Ana Mountains. 426 Comment
  UCR116926  Eriophyllum confertiflorum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24219 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCSB6520  Eriophyllum confertiflorum Kamb, Peter 1947-6-7 Riverside Arid Transition Zone; Hall Canyon, San Jacinto Mts. 1645 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
  CAS-BOT-BC296972  Eriophyllum wallacei S. B. Parish 1916-5-13 10802 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  JOTR30965  Eriophyllum wallacei La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1940 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM157921  Eriophyllum wallacei P. A. Munz 1927-5-21 10864 Riverside Coahuila Valley. Comment
  UCSB9200  Eriophyllum wallacei Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  RSA650518  Erodium botrys David B. Dunn, Lint 1955-4-1 11845 Riverside About two miles east of Cabazon, along the railroad right of way. 488 Comment
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May 24 2012
  UCR137705  Erodium brachycarpum D. L. Banks 1997-3-16 1541 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR21910  Erodium cicutarium Steve Boyd 1980-5-2 162 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR164929  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 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
  UCR174958  Erysimum capitatum Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 352 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  JEPS53569  Erysimum capitatum var. capitatum Carl V. Meyer June 1927 170 Riverside Saunder's Meadow San Jacinto Mt Comment
  JOTR16638  Erysimum capitatum var. capitatum Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  RSA0016048  Erythranthe cardinalis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5015 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  RSA0019316  Erythranthe guttata Carl B. Wolf 1932-5-25 3673 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains. 396 Comment
  UCR89834  Eschscholzia caespitosa Scott D. White 1993-5-27 1431 A Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR92152  Eschscholzia californica D. L. Banks, Peter L. Morrell 1995-5-4 0313 Riverside Agua Tibia Mtns., Cleveland National Forest, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground at base of hills north of Wildhorse Peak. 537 Comment
  LA46237  Eschscholzia minutiflora Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  UC69219  Eschscholzia minutiflora E. E. Schellenger April 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  UCR245964  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains, west side of range in main drainage, c. 2.5 air miles west of Priest Well, or c. 7 air miles SW of ghost town of Rice 420 Comment
  UCSB33609  Eschscholzia minutiflora Simmons, Karen 1979-3-25 Riverside 8.8 miles south-west of Hwy 10; on Box Canyon Road 30 Comment
  SEINET5339996  Eschscholzia minutiflora var. darwinensis I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  GMDRC5577  Eschscholzia papastillii Shannon M. Still 2009-2-21 433 Riverside 172 Comment
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Sep 2 2017
  CAS-BOT-BC419620  Eschscholzia parishii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley Comment
  CAS-BOT-BC419633  Eschscholzia parishii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2176 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  GMDRC9793  Eschscholzia parishii J. M. Andre 2017-3-1 37990 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  JOTR35290  Eschscholzia parishii Andre, Jim 2012-4-11 20783 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA550269  Eschscholzia parishii Walter Wisura, John Dolan, M. Wall 1992-3-24 4627 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  SEINET3347397 Image available Eschscholzia parishii Jim Andre, T. La Doux 2009-3-10 11234 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR5903  Eschscholzia parishii David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  SBBG104165  Escobaria vivipara var. alversonii E. R. Blakley 1993-5-20 7567 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  RSA0042973  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40711 Riverside Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  SD185050  Eucalyptus rudis Alden Kelly 1986-3-17 Riverside Edgmont area of Moreno Valley from planting along W side of Hwy 215 at Eucalyptus Ave. Row runs ca. 1 mi along 215 456 Comment
  SBBG35042  Eucrypta chrysanthemifolia var. bipinnatifida T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning Comment
  UCR107414  Eucrypta chrysanthemifolia var. chrysanthemifolia B. G. Pitzer 1997-3-23 2954 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
  JEPS22524  Eucrypta micrantha Rimo Bacigalupi with Paul Hutchison 1958-2-19 6186 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts); Big Maria Mts. 167 Comment
  RSA78475  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17504 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  UCD170236  Euonymus occidentalis var. parishii K. M. Meyer; A. Townesmith 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  RSA715767  Euphorbia albomarginata A. C. Sanders, Guy Bruyea 2003-6-12 26896 Riverside Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR128913  Euphorbia albomarginata A. C. Sanders, Mitch Provance 2001-4-5 23916 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR260520  Euphorbia albomarginata T. B. Salvato 2014-5-29 8053 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR199835  Euphorbia eriantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-6-14 11262 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains, western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 570 Comment
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Jun 20 2011
  CAS-BOT-BC123992  Euphorbia micromera John Thomas Howell 1931-6-5 6651 Riverside South of Palm Springs near Cathedral City Comment
  SEINET10389831  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR264235  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41842 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  UCR28985  Euphorbia micromera A. C. Sanders 1982-12-19 3452 A Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  POM19838  Euphorbia palmeri Mary F. Spencer 1923-6-26 2244 Riverside San Jacinto Mtns. 1524 Comment
  UC17653  Euphorbia palmeri Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  RSA786284  Euphorbia parishii C. P. Cowan 1978-4-23 1189 Riverside 2.7 miles (4.3 km) South on Highway 74 from its jct with Highway 111 at Indian Wells. Whittaker transect- W-218 210 Comment
  RSA234071  Euphorbia spathulata R. F. Thorne, E. Lathrop, et al. 1969-5-19 37977 Riverside Santa Rosa Plateau. Mesa de Colorado. 625 Comment
  CLARK-A1528-537  Eustoma exaltatum John C. Roos 1951-9-25 5259 Riverside Riverside 259 Comment
  SEINET10741473  Eustoma exaltatum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12840 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 a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  CAS-BOT-BC167368  Fagonia laevis H. M. Hall 1905-4-1 5806 Riverside 10 miles west of Coachella. Colorado Desert 152 Comment
  IRVC28531  Fagonia laevis John F. Green 2005-1-14 s.n. Riverside Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek Sonoran (Colorado) Desert 23 Comment
  UCD170726  Fagonia laevis A. C. Sanders; Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon. 435 Comment
  UCR19356  Festuca grayi John C. Roos 1952-4-2 5463 Riverside Riverside, near Box Springs 457 Comment
  CLARK-A1528-4658  Festuca microstachys John C. Roos 1937-5-10 2071 Riverside Lake Elsinore Comment
  RSA272184  Filago californica C. W. Tilforth 1978-4-30 1581 b Riverside Low, rounded hills east of Norco Comment
  UCR48530  Filago californica Steve Boyd 1986-4-19 1695 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCSB63087  Flaveria trinervia Sanders, A. 1981-10-31 Riverside McKinley St. between Riverside and Corona, 3/10 mi. north of Hwy 91 and +100 yds west of McKinley 304 Comment
  SDSU12259  Foeniculum vulgare Jeremy Mass, Ryan Jacobsen 2000-4-19 6 Riverside Growing near the streambed of Stone Creek ca. 15 ft east of the road near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  RSA113276  Forestiera pubescens E. K. Balls 1955-4-1 20412 Riverside Head of Palm Canyon, Hwy 74, from S end of San Jacinto Mts to Palm Springs. 1250 Comment
  UC1123328  Forestiera pubescens A. E. Wieslander 1938-5-5 734 Riverside Vandeventer Flat; Thermal Quad. 1493 Comment
  UCR207510  Forestiera pubescens O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  UCR207695  Fragaria vesca Justin M. Wood, Brandy N. Wood 2009-6-13 885 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  UCR18543  Fragaria vesca subsp. californica A. C. Sanders 1978-6-11 583 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR89686  Frankenia salina Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR130707  Frasera parryi George K. Helmkamp, E. A. Helmkamp 1998-6-27 4071 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  LA50901  Fraxinus dipetala Joseph Andorfer Ewan; 1933-3-19 10897 Riverside Santa Ana Mountains, Tin Mine Canyon Comment
  UCR178341  Fraxinus dipetala T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 139 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR209165  Fraxinus pennsylvanica subsp. velutina A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37153 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UC1537226  Fritillaria biflora Gordon H. True Jr. 1935-4-5 219 Riverside Gavilan Hills 609 Comment
  RSA0120004  Galium andrewsii Duncan S. Bell, Thomas Stoughton 2016-4-13 9257 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  JEPS56082  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4281 Riverside along hwy about 1 1/2 mi w Mountain Center (at junction with Baldy Mountain Camp Rd, steep s-facing hillside) Comment
  RSA6036  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-8-4 3921 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  RSA689703  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1696 b Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  SD229268  Galium angustifolium subsp. jacinticum Dick Schwenkmeyer 2011-8-25 655 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  SD229270  Galium angustifolium subsp. jacinticum Dick Schwenkmeyer 2012-8-7 792 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA454424  Galium parishii Robert Kessler 1920-07 s.n. Riverside Tahquitz Peak. 2707 Comment
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Aug 3 2008
  RSA655211  Galium porrigens Scott D. White 1999-7-9 7536 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  RSA735314  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11268 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC666515  Galium stellatum var. eremicum Annie M. Alexander and Louise Kellogg 1941-5-18 2200 Riverside n slope Colorado Desert, Eagle Mountains 1066 Comment
  CAS-BOT-BC178389  Garrya flavescens Carl B. Wolf 1939-1-20 9485 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  UCR101447  Garrya flavescens A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22222 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR133357  Garrya flavescens Tracy Tennant, J. S. Ross 1998-5-7 MOR- 126 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  SD42278  Garrya flavescens subsp. pallida Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts., east side, alonmg Eagle Motor Way, 1 mi below summit Comment
  UC21605  Garrya fremontii H. M. Hall 1901-6 2452 Riverside Tauquitz Falley; San Jacinto Mountains 1981 Comment
  SBBG89551  Gastridium phleoides J. Adams 1966-4-28 736 b Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  UCR95302  Gazania linearis Steve Boyd, L. Fuentes 1996-5-2 8765 Riverside Santa Ana Mtns., Santa Rosa Plateau, intersection of Tenaja Rd. and Rancho California Rd, SE of Tenaja Guard Station, in flats between Redonda Mesa and Squaw Mtn. 610 Comment
  CAS-BOT-BC303574  Geraea canescens L. R. Abrams 1926-3-26 11086 Riverside Indian Wells to Indio Comment
  POM358658  Geraea canescens H. S. Gentry 6201 Riverside 15 miles N of Desert Center, Riverside County? Comment
  POM358672  Geraea canescens M. B. Dunkle 1932-3-25 2917 Riverside 10 miles NW of Indio. Comment
  RSA27446  Geraea canescens I. L. Wiggins 1941-3-24 9570 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  SBBG32350  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside ca. 6 mi SE of Thousand Palms 15 Comment
  UCD132581  Geraea canescens P. C. Everett; E. K. Balls 1958-4-29 22956 Riverside US Hwy. 60/70 Indio to Blythe, 2.7 miles east of junction with Highway 99. 30 Comment
  UCR148314  Geraea canescens John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  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
  RSA70499  Geranium carolinianum F. W. Peirson 1922-4-10 2859 Riverside Murray Canyon, near Palm Springs. 305 Comment
  UCR193420  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35639 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CLARK-A1528-3498  Gilia achilleifolia subsp. multicaulis John C. Roos 1937-4-4 1389 Riverside La Sierra Comment
  RSA192032  Gilia angelensis E. W. Lathrop 1964-5-10 5358 Riverside 10 miles west of Murrieta. 610 Comment
  RSA785866  Gilia angelensis Doris Bowers 1972-4-15 1839 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  SEINET7072822  Gilia angelensis A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 6" North Latitude, -116? deg. 49' 57" West Longitude, Coordinate datum: NAD27.). Comment
  UCR241950  Gilia angelensis A. C. Sanders, Timothy W. Chumley 2013-3-28 40709 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  UC489136  Gilia capitata subsp. abrotanifolia C. V. Meyer June 1927-June 1929 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1676 Comment
  UCR202425  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Peninsular Range, Agua Tibia Wilderness Area, 2.4 mi. (air) WSW of Radec 622 Comment
  RSA470270  Gilia capitata subsp. abrotanifolia N. C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC126042  Gilia diegensis D. Cleveland 1882-5-3 Riverside Temecula Comment
  RSA774718  Gilia modocensis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4523 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC52864  Gilia ochroleuca subsp. exilis H. M. Hall April, 1902 2912 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA0017086  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-29 5098 Riverside Dripping Springs, near Temecula Creek 518 Comment
  RSA67645  Gilia sinuata Verne Grant, Alva Grant 1960-4-9 8838 Riverside Pass between Whitewater and Morongo Valley, 0.4 mile S of San Bernardino Co. line Comment
  CAS-BOT-BC123828  Gilia splendens subsp. australis Herbert Louis Mason 1926-5-2 3195 Riverside Temecula Valley Comment
  JOTR30803  Gilia stellata La Doux, Tasha 2008-3-10 1823 Riverside Joshua Tree National Park. Northwest end of Eagle Mountains, near road to Cottonwood Canyon 898 Comment
  POM8527  Gilia stellata Mary F. Spencer 1920-4-5 64 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA26979  Gilia stellata C. L. Hitchcock 1940-4-3 5931 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA469733  Gilia stellata M. B. Dunkle 1935-3-31 4446 Riverside N Cottonwood Springs. 762 Comment
  RSA469735  Gilia stellata Robert Gustafson 1978-3-21 846 -a Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  RSA775401  Gilia stellata Duncan S. Bell 2011-4-10 2249 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  RSA777655  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 757 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR1363  Gilia stellata Frank C. Vasek 1960-3-17 600317- 07 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  CAS-BOT-BC266539  Githopsis diffusa John Roos; Lucille Roos 1952-5-24 5710 Riverside N of Moreno 502 Comment
  UCR90762  Githopsis diffusa subsp. candida D. E. Bramlet 1995-4-26 2397 A Riverside Perris-Aguanga Basin, Shipley Multi-species Reserve, SW of Tucalota Creek 488 Comment
  CAS-BOT-BC282820  Glyceria X occidentalis A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation vicinity of natural pond and bog at SE edge of Burro Flats, San Bernardino Mtns. 1158 Comment
  SEINET3386513 Image available Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 905 Riverside San Bernardino Mtns: Morongo Indian Reservation, seep in Wood Canyon 550 Comment
  RSA717580  Gnaphalium californicum A. C. Sanders 2004-5-11 27841 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area 439 Comment
  UCR225728  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2011-3-30 38899 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  CAS-BOT-BC307400  Gnaphalium palustre Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  POM259120  Gnaphalium palustre P. A. Munz 1938-8-14 15352 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA289833  Gnaphalium palustre B. A. Prigge 1980-8-12 3953 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  UCR154974  Gnaphalium palustre A. C. Sanders, Kelly Volansky 2005-3-17 29209 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  JOTR30989  Guillenia lasiophylla La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1967 Riverside Joshua Tree National Park. (Stop 5) Hexie Mountains, slopes above north side of Blue Cut Gorge Comment
  RSA524433  Gutierrezia californica Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4049 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  SD48519  Gutierrezia californica E. K. Balls, P. C. Everett 1957-11-4 22744 Riverside Snow Creek, north base San Jacinto Mountains. 700 Comment
  UCR202216  Gutierrezia californica Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR139027  Harpagonella palmeri D. L. Banks 1997-4-5 1680 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR67356  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4008 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA0094790  Hedypnois cretica Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7935 A Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  UCR262278  Hedypnois cretica A. C. Sanders 2006-5-13 32286 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA525439  Helianthemum scoparium var. scoparium Steve Boyd, Dave Bramlet, Bob Boyd 1990-4-29 4484 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA597077  Helianthus annuus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1115 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 378 Comment
  RSA741261  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SD229099  Helianthus gracilentus Dick Schwenkmeyer 2012-10-16 928 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR174043  Helianthus gracilentus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32521 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR280917  Helianthus gracilentus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 27 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UCSB31631  Helianthus gracilentus Gresley, Wesley 1962-6-29 Riverside Road between Banning and Idyllwild; San Jacinto Mountains 1524 Comment
  CAS-BOT-BC305798  Helianthus petiolaris Katherine Esau 1935-6-15 s.n. Riverside Hemet Valley Comment
  UCR281806  Heliotropium curassavicum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 98 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  POM122242  Hemizonia fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside, on the coastal slope of southern California (Cismontane area) 360 Comment
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Sep 3 2011
  UCR132838  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22275 Riverside San Jacinto Mtns., along entrance road to McCall Memorial Park, c. 0.5 mi. west of Mountain Center 1355 Comment
  UCR189785  Hemizonia mohavensis Diane Menuz 2007-7-19 330 Riverside Peninsular Range; San Jacinto Mountains, c. 0.5 km [east] of Highway 74, along a dirt road (Apple Canyon Road) 1335 Comment
  RSA544391  Hemizonia paniculata Steve Boyd 1991-5-30 6319 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  RSA588672  Hemizonia paniculata D. L. Banks, S. D. Boyd 1995-10-26 0829 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. 939 Comment
  RSA663305  Hemizonia paniculata Mitch Provance 1998-3-6 702 Riverside Jurupa Mountains: Glen Avon Hts., Boulder Park, 0.7 km W of Pyrite St.on the N side of Granite Hill Dr. 305 Comment
  RSA674594  Hemizonia paniculata Scott D. White 2000-5-5 7771 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  RSA702550  Hemizonia paniculata Scott D. White, Brian Leatherman 2004-10-7 10769 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  POM187878  Hemizonia pungens subsp. laevis E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  UCR201021  Hemizonia pungens subsp. pungens Scott D. White 2008-8-20 12535 Riverside Peninsular Range; Perris-Aguanga Basin, City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets 451 Comment
  RSA377048  Hesperocallis undulata M. B. Dunkle 1935-3-17 4395 Riverside Desert Center. 610 Comment
  RSA377052  Hesperocallis undulata Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA612484  Hesperocnide tenella D. L. Banks 1997-2-23 1333 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
  CLARK-A1528-3994  Heteromeles arbutifolia John C. Roos, Lucille Roos 1952-6-21 5780 Riverside Reche Canyon 487 Comment
  UCR234753  Heteromeles arbutifolia A. C. Sanders, John F. Green 2012-6-25 40302 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  RSA0074602  Heterotheca fastigiata J. C. Roos, Lucille Roos 1949-9-17 4657 Riverside Whitewater Wash, 2.2 miles N of Whitewater. 518 Comment
  CAS-BOT-BC312304  Heterotheca villosa var. nana John Roos; Lucille Roos 1950-10-21 5011 Riverside Wonderland of Rocks, Little San Bernardinno Mts. 1219 Comment
  POM12887  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside Summit of San Jacinto Peak. 3287 Comment
  CAS-BOT-BC425261  Heuchera rubescens Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Peak, San Jacinto Mts. 3293 Comment
  CAS-BOT-BC203348  Hibiscus denudatus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  UC472813  Hibiscus denudatus F. G. Woodcock and M. F. Spencer 1922-4-28 412 Riverside Chino Canyon Palm Springs; Colorado Desert, , Palm Springs Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  UC897885  Hieracium horridum P. A. Munz 1922-7-6 6023 Riverside zigzag on trail from Tahquitz to Hidden Lake; San Jacinto Mts. 2377 Comment
  CLARK-A1528-4681  Hilaria rigida John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  SD129177  Hilaria rigida A. C. Sanders 1989-9-19 9496 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 kilometers (airline) south of the Tabaseca Tank, along the wash above Tabaseca Target (UTM: 11S, PH-35E, 07N) 680 Comment
  SDSU254  Hilaria rigida A. H. Gallup 1949-3-28 375 Riverside In sandy wash near Palms to Pines Hwy. San Jacinto Mtn. Range. Slope: east. 762 Comment
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Jan 24 2013
  UCR241804  Hilaria rigida A. C. Sanders, Ann Howald 2013-2-28 40553 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  SD187381  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-16 10170 Riverside Indian Creek and adjacent slopes. 548 Comment
  CAS-BOT-BC207507  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  UC570587  Hoffmannseggia glauca Frank W. Peirson 1935-4-17 11469 Riverside 9 mi s Blythe Comment
  CAS-BOT-BC207561  Hoffmannseggia microphylla Roxana S. Ferris 1918-6-14 979 Riverside in box canyon [canon] near Shavers Well on Mecca-Blythe Rd. Comment
  CAS-BOT-BC207568  Hoffmannseggia microphylla B. D. Stark 1931-4-27 1091 -seed Riverside Hidden Springs Canyon, 8 1/2 miles from Mecca, Colorado Desert 6 Comment
  UCD84877  Holcus lanatus Ralph Garmus 1963-7-22 s.n. Riverside Riverside County. Comment
  UCR163992  Holocarpha virgata subsp. elongata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  RSA717054  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR121792  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24040 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR199636  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR211707  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6328 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  UCR189806  Hordeum intercedens Andrea Salzman 2006-5-9 095 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 460 Comment
  UCR180348  Hordeum murinum Scott D. White, Angelia Carey 2004-4-5 10032 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR202504  Hordeum murinum Justin M. Wood 2008-12-2 259 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR114311  Hordeum murinum subsp. glaucum Julie A. Greene 1993-4-17 1229 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  POM12102  Horkelia clevelandii Mary F. Spencer 1921-6-15 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC12390  Horkelia clevelandii H. M. Hall 1897-6-16 648 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCR142729  Hornungia procumbens F. W. Peirson 1922-4-30 1896 Riverside Peninsular Range, Lancaster Valley, road from Hemet to Temecula 518 Comment
  JEPS68629  Horsfordia alata Mrs. Ben L. Clary 1930-12-7 Riverside Coral Reef Ranch Coachella Comment
  POM230992  Horsfordia alata Marjorie D. Clary 1932-12-11 2566 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains 152 Comment
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  RSA93954  Hymenoclea monogyra F. W. Peirson 1919-4-12 1317 Riverside Tahquitz canyon near Palm Springs. Comment
  POM361070  Hymenoclea salsola N. C. Cooper 1949-4-8 3266 Riverside Mecca Pass east of Indio. 610 Comment
  RSA480011  Hymenoclea salsola Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2132 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA696756  Hymenoclea salsola W. Marquart 1938-3-12 s.n. Riverside 20 mi. W. of Blythe. Found along deep road embankment. Comment
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Dec 18 2011
  RSA93957  Hymenoclea salsola F. W. Peirson 1914-04 2494 Riverside Whitewater at head of Coachella Valley. Comment
  RSA314159  Hymenopappus filifolius var. lugens Walter Wisura 1983-6-25 3914 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  RSA658720  Hypochaeris glabra Margaret Murphy 1983-5-21 0036 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  CAS-BOT-BC219731  Hyptis emoryi R. F. Hoover 1966-10-15 10164 Riverside Dead Indian Canyon Comment
  CAS-BOT-BC219738  Hyptis emoryi Reid Moran 1941-5-5 854 Riverside Cottonwood Pass, Eagle Mts. Comment
  RSA795746  Hyptis emoryi Jim Andre 2012-3-19 21303 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  CAS-BOT-BC274060  Imperata brevifolia Louis Wheeler 1933-12-2 2318 Riverside U. S. 99 2 mi. NW Whitewater Station 365 Comment
  POM431208  Imperata brevifolia J. C. Roos 1965-6-23 s.n. Riverside Palm Springs Comment
  POM182406  Isocoma acradenia var. eremophila J. B. Feudge 1930-9-25 2067 Riverside Mecca. Comment
  POM359530  Isocoma acradenia var. eremophila L. C. Wheeler 1931-11-27 375 Riverside 5 miles SE Mecca. -61 Comment
  RSA0009749  Isocoma acradenia var. eremophila Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR115155  Isocoma menziesii var. vernonioides Mitch Provance 2000-8-24 2221 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  JEPS11392  Jepsonia parryi H. M. Hall 1896-12-12 345 Riverside Winchester Comment
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Mar 20 2011
  RSA0011076  Juglans californica Steve Boyd 1991-3-17 5494 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
  CAS-BOT-BC110074  Juncus acutus David B. Dunn 1948-2-21 3689 Riverside Pushawalla Canyon, Indio Hills of the Colorado Desert. West of Indio. Comment
  UCR92279  Juncus balticus Scott D. White, S. Ogg 1994-10-17 2482 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  RSA234053  Juncus bufonius Robert F. Thorne, E. Lathrop, et al. 1969-5-19 37964 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  UCR117312  Juncus bufonius A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 735 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA500202  Juncus bufonius var. bufonius Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3541 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA70095  Juncus bufonius var. occidentalis F. W. Peirson 1922-4-29 2928 Riverside South of Lake Elsinore. 381 Comment
  SD232562  Juncus effusus Scott D. White 1996-8-15 4463 Riverside Idyllwild area: Alvin Meadows and unnamed canyon upstream. Site is at upper margin of area burned in July 1996. 1525 Comment
  RSA692228  Juncus effusus subsp. austrocalifornicus Scott D. White 2003-10-9 9815 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  UCR242660  Juncus longistylis A. C. Sanders 2013-7-6 40849 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  UCR98899  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC70341  Juncus oxymeris H. M. Hall 1901-7-23 2543 Riverside n side tributary of Snow Creek; San Jacinto Mountains 1767 Comment
  UCR193370  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35636 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA162796  Juncus rugulosus John Olmsted 1959-11-28 1088 Riverside East Fork Snow Creek above dropoff, Snow Creek-Whitewater River Drainage Area, San Jacinto Mountains. 899 Comment
  JEPS63873  Juncus textilis unknown Riverside Coahuilla Valley region Coahuilla Valley Comment
  RSA502192  Juncus textilis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3700 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  RSA526089  Juncus textilis Steve Boyd, Timothy S. Ross 1990-5-11 4662 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA402300  Justicia californica A. M. Johnson 1933-4-28 4235 Riverside On wash along Pines to Palms highway, below Palm Springs. Comment
  UC972195  Justicia californica Alice Yates and Jas. E. Wilcox 1952-4-5 29 Riverside between Box Canyon and Smoke Tree Nat'l Monument 152 Comment
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Aug 21 2007
  CAS-BOT-BC235499  Keckiella antirrhinoides C. W. Tilforth 1969-7-24 215 Riverside Along Red Mountain Road, east of County Hiway R-3, south of Hemet Comment
  SDSU10663  Keckiella antirrhinoides W. T. Williams 1962-5-12 Riverside San Jacinto Mtns., 2000ft marker on Hwy between Hemet and Idyllwild. Left side of Hwy going to Idyllwild 30 ft. just before the wash. 610 Comment
  UCR137049  Keckiella antirrhinoides A. C. Sanders 2004-5-5 27764 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR174045  Keckiella antirrhinoides A. C. Sanders 2006-5-19 32448 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
  UCR233579  Keckiella antirrhinoides A. C. Sanders, John F. Green 2012-4-12 40039 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  JOTR30062  Krameria grayi La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1693 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour Rd., N of Malapai Hill 1286 Comment
  RSA795811  Krameria grayi C. P. Cowan 1978-4-23 1170 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  POM248405  Lactuca serriola Philip Crow 1939-07 8 Riverside Blythe. Comment
  UCR22000  Lactuca serriola Steve Boyd 1980-7-12 336 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR202423  Lagophylla ramosissima Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  SEINET3221824 Image available Lamarckia aurea Howard Gentry, Bruce Gentry 1973-4-16 23192 Riverside Gentry Ranch, 3.5 mi NE of Murrieta. 396 Comment
  UCR224992  Lamium amplexicaule Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 6993 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 200 m S of East Westward Ave. 634 Comment
  UCR41544  Langloisia schottii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6012 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
  RSA0123345  Langloisia setosissima subsp. setosissima Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8988 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA778235  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-3-8 40 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA795949  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-19 268 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CAS-BOT-BC171124  Larrea tridentata Javier Penalosa 1963-4-10 2790 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CSUSB2115  Larrea tridentata Wayne White 1975-5-10 700 Riverside On Highway I-10 to Red Cloud Road Chuckwalla Mts. Colorado Desert 451 Comment
  UCR228391  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 149 Riverside Colorado Desert; Little San Bernardino Mountains region, W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk) 366 Comment
  UCR228402  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 105 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  RSA0034537  Larrea tridentata D. Dunlop 1977-3-21 205 Riverside Desert Hot Springs. Comment
  RSA753534  Lastarriaea coriacea M. Wall 2009-5-29 513 Riverside Bautista Canyon east of Hemet, ca. 8 miles SE of jct. with Fairview Ave. 756 Comment
  SEINET7073483  Lastarriaea coriacea A. G. Vestal 1963-4-27 s.n. Riverside Graely near Big Rocks in Cottonwood Canyon. Coordinate datum: WGS84/NAD83. (33? deg. 43' 47" North Latitude; -115? deg. 49' 17" West Longitude. UTM Zone 11, 609194mN, 3732627mN. Coordinate datum: NAD27). Comment
  SD181692  Lasthenia coronaria Scott D. White, Tash La Doux 2000-4-20 7707 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UC1536903  Lasthenia coronaria G. H. True 1935-3-11 70 Riverside Sycamore Canyon Box springs 365 Comment
  UCR109450  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR241007  Lasthenia coronaria Tracy Tennant 1998-4-7 237 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  RSA92992  Lasthenia coronaria F. W. Peirson 1919-4-15 1373 Riverside Whitewater Grade east of Banning 610 Comment
  IRVC26814  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  JEPS29321  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-26 8417 Riverside 2.4 mi nw Romoland (s of Perris, flats on either side of creek) - Railroad Creek [San Jacinto River, flowing toward Railroad Canyon] 457 Comment
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Jul 14 2012
  RSA543858  Lasthenia gracilis Steve Boyd, David E. Bramlet 1991-5-13 6236 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UC1536905  Lasthenia gracilis G. H. True 1935-3-19 132 Riverside 6 mi se Perris 487 Comment
  UC30439  Lasthenia gracilis Geo. R. Hall 1901-3-17 1676 b Riverside Riverside Comment
  UCR167521  Lasthenia gracilis Scott D. White 2005-3-29 10834 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
  UCR260572  Lasthenia gracilis T. B. Salvato 2014-5-29 8030 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA5013  Lathyrus vestitus subsp. alefeldii Dorothy R. Wolf 1932-3-20 13 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA406627  Lathyrus vestitus subsp. vestitus H. M. Hall 1897-7-18 s.n. Riverside Beaumont Comment
  RSA0014946  Lathyrus vestitus var. vestitus LeRoy Gross, Evan Meyer 2013-5-21 6113 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  POM361744  Layia H. M. Hall 1897-4-3 442 .5 Riverside Winchester. Comment
  RSA657628  Layia glandulosa Colleen Callan 1992-5-2 32 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR19470  Layia glandulosa C. S. Papp 1965-6-13 846 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  RSA716823  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SEINET7063241  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UC1979554  Layia platyglossa Darin L. Banks, Steve Boyd 1995-5-9 380 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  CLARK-A1528-260  Layia platyglossa subsp. campestris Roberta H. Smith 1969-5-4 24 Riverside Lake Matthews 435 Comment
  POM4829  Layia platyglossa subsp. campestris Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA522763  Layia platyglossa subsp. campestris Steve Boyd, L. Arnseth 1990-3-29 3870 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA549244  Leersia oryzoides A. C. Sanders, CNPS field trip, O. F. Clarke 1991-10-5 11740 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. Comment
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Jan 9 2008
  RSA500133  Lemna minuta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3677 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA231128  Lepechinia cardiophylla Dick Potter 1970-8-1 s.n. Riverside ca. 20 mi. SSE of Corona on Horsethief trail in vicinity of Main Divide Rd. 1220 Comment
  RSA429965  Lepidium Ora M. Clark 1929-3-17 s.n. Riverside N of La Quinta. Comment
  JOTR34263  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2987 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UC673522  Lepidium lasiocarpum var. lasiocarpum Herbert L. Mason 1928-3-11 4243 Riverside near Indio Comment
  RSA0135567  Lepidium lasiocarpum var. lasiocarpum G. Rink 2013-3-18 11873 Riverside About twelve miles west of Blythe, on proposed Quartzite solar power plant site. 105 Comment
  CAS-BOT-BC126745  Lepidium nitidum A. C. Sanders; T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City and Perris, along powerline corridor between Byers St. and west end of McLaughlin Rd. and Wheat St. 447 Comment
  CLARK-A1528-2326  Lepidium nitidum John C. Roos 1937-2-21 1313 Riverside La Sierra Comment
  UCR225593  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  RSA561806  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR202010  Lepidium virginicum var. pubescens 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
  UCR39177  Lepidium virginicum var. pubescens M. L. Rosczyk, G. K. Helmkamp 1985-4-4 230 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
  RSA289819  Lepidospartum squamatum B. A. Prigge 1980-9-16 4037 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  UCR93089  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns., c. 5 road mi SE of Davis Road/Ramona Expressway intersection. 610 Comment
  UCD64135  Leptochloa panicea subsp. mucronata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside Imperial Valley, 2 miles north of Indio. Comment
  UC1924330  Leptochloa uninervia P. M. Peterson with D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River(Wash), just N of Cedar and Mountain, NE end of Hemet. Comment
  RSA525323  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4454 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR115153  Lessingia filaginifolia Mitch Provance 2000-8-24 2220 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  UCR143313  Lessingia filaginifolia var. filaginifolia I. W. Clokey, E. G. Anderson 1935-8-21 6962 Riverside Peninsular Ranges; San Jacinto Mountains, North fork, San Jacinto River 1500 Comment
  UC468916  Lessingia glandulifera var. glandulifera F. M. Reed Riverside Comment
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Dec 6 2014
  RSA593780  Lewisia rediviva Jeri Hirshberg 1995-5-19 275 Riverside San Jacinto Mountains, Garner Valley. Comment
  POM319687  Leymus triticoides Patricia Wilder 1971-11-11 5293 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  RSA734988  Limnanthes gracilis subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR22022  Linanthus androsaceus Steve Boyd 1980-5-20 291 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  RSA49349  Linanthus aureus var. decorus P. A. Munz 1949-4-11 13017 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA552713  Linanthus californicus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6682 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  CLARK-A1045-673  Linanthus ciliatus George K. Helmkamp 1977-5-21 Riverside San Jacinto Mountains forest west of Pine Cove; Palm Springs 15'Q Comment
  UCR151098  Linanthus ciliatus Scott D. White, Julie Greene 1998-8-1 6975 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
  RSA773167  Linanthus dianthiflorus Duncan S. Bell, Valentin Arvizu 2010-5-24 1106 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  RSA543897  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1991-5-20 6272 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR24238  Linanthus floribundus John C. Roos 1962-5-19 s.n. Riverside Peninsular Range, Santa Ana Mtns., Strawberry [=Santiago? Sugarloaf?] Peak [on the Orange county line] Comment
  CLARK-A1528-5712  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  UCR80801  Linum lewisii var. lewisii Scott D. White 1993-5-29 1472 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  UCR84063  Lippia nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  CAS-BOT-BC434237  Lithophragma Tracy Tennant; Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  UCR240642  Lithophragma Tracy Tennant, Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA0010979  Lithophragma affine Scott D. White, Angelia Carey 2004-4-5 9990 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR213617  Loeflingia squarrosa A. C. Sanders, Matthew Malle 2010-4-23 38011 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  JOTR30672  Loeseliastrum matthewsii La Doux, Tasha, Jim Andre 2008-3-21 141 Riverside Joshua Tree National Park. N. side of paved road to Cottonwood, at Fried Liver Wash crossing 557 Comment
  RSA0040185  Loeseliastrum matthewsii Sarah J. De Groot, April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley. 396 Comment
  RSA639631  Loeseliastrum schottii R. F. Thorne 1973-3-30 42679 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  CAS-BOT-BC342109  Logfia arizonica Dave Silverman; Onkar Singh 2010-3-25 7843 Riverside Palo Verde Mesa, 1.4 km E of Black Creek Rd, 4.9 km W of McCoy Wash, and 8.8 km N of I-10 151 Comment
  CAS-BOT-BC342260  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside Vicinity of Riverside 365 Comment
  RSA747282  Logfia filaginoides Orlando Mistretta 1992-6-10 529 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UCR83196  Logfia filaginoides A. C. Sanders 1994-5-15 14487 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR137703  Lolium perenne subsp. multiflorum D. L. Banks, V. W. Steinmann 1997-3-13 1494 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
  UCR91876  Lolium perenne subsp. multiflorum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18055 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR138828  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-3-29 1640 Riverside Agua Tibia Mtns., NW Palomar 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 Co. line 482 Comment
  RSA495814  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2924 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR166156  Lonicera interrupta T. B. Salvato, John F. Green 2004-5-27 564 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
  UCR262252  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 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
  RSA613857  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden. 370 Comment
  UCR104190  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 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
  UCR84621  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UC864765  Lotus argophyllus var. argophyllus C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4638 Riverside Perris-Gavilan Peak 600 Comment
  RSA0018560  Lotus crassifolius Keith E. Hoffmaster 1937-7-5 819 Riverside San Jacinto Mtns. Comment
  UCR24896  Lotus grandiflorus A. C. Sanders 1980-7-22 1702 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
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Dec 22 2018
  UCR174051  Lotus hamatus A. C. Sanders 2006-5-19 32445 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
  CSUSB1265  Lotus heermannii Steve Stadler 1966-3-8 030866 72 Riverside Box Springs Mountains. 10 yards off Pigeon Pass Road. 4.2 miles north of Riverside-Beaumont Highway. 457 Comment
  CLARK-A1656-671  Lotus humistratus Milton Walker 1978-3-6 Riverside San Jacinto Mountains 1097 Comment
  UCR241928  Lotus humistratus A. C. Sanders, John F. Green 2013-3-27 40686 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 416 Comment
  POM12088  Lotus nevadensis var. nevadensis Mary F. Spencer 1921-6-2 89 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  UCR94920  Lotus purshianus var. purshianus Scott D. White 1996-6-15 4466 Riverside Peninsular Ranges, San Jacinto Mountains, Idyllwild area. Alvin Meadows and unnamed canyon upstream. 1585 Comment
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  UC864872  Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 670 Comment
  CSUSB1263  Lotus scoparius A. P. Donaldson 1966-4-9 Riverside Collected by the roadside about 30 yards off 6.7 miles from turnoff to Hemet from Highway 60. 365 Comment
  RSA182340  Lotus scoparius var. brevialatus J. D. Olmsted 1962-5-1 3430 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  RSA406330  Lotus strigosus N. C. Cooper 1945-5-24 1629 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
  RSA498742  Lotus strigosus E. C. Jaeger 1922-3-15 724 Riverside Mecca calif alt 200ft.Colorado Desert region. Comment
  RSA781906  Lotus strigosus Duncan S. Bell 2010-5-1 884 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA784932  Lotus strigosus Duncan S. Bell 2012-2-12 3100 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR155316  Lotus strigosus A. C. Sanders, Mike Misenhelter 2005-3-23 29255 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR18185  Lotus strigosus A. C. Sanders 1978-4-30 00341 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR98206  Lotus strigosus B. G. Pitzer 1997-4-1 3048 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR35029  Lotus strigosus var. hirtellus L. B. Ziegler 1968-4-30 279 Riverside Peninsular Ranges, San Jacinto Mountains, Hemet (= Garner) Valley, at Thomas Subdivision. 1402 Comment
  UCR166547  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA501009  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3128 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
  RSA524435  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4051 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA525445  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4490 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UC1595620  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside s flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Cyn 426 Comment
  POM312142  Lupinus albifrons var. eminens N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  CLARK-A1656-890  Lupinus arizonicus Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 137 Comment
  POM276399  Lupinus arizonicus Lyman Benson 1933-3-31 4165 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  RSA517839  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1469 Riverside West side Palen Mts.: NE of Desert Center. Comment
  OBI22889  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2 mi W of Corona Comment
  RSA0031713  Lupinus bicolor Tamara Joy Hanna 1991-5-4 4 Riverside Area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  RSA660639  Lupinus bicolor Lydia Paneri 1982-4-17 2 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA711767  Lupinus bicolor A. C. Sanders, Kelly Volansky 2005-3-17 29231 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  SBBG103916  Lupinus bicolor S. D. White 1993-4-22 1224 Riverside N Alberhill Ranch, in hills N of Walker Cyn 487 Comment
  UC1537129  Lupinus bicolor Gordon H. True Jr. 1935-3-18 124 Riverside hills e Citrus Expt. Station (Box Springs); e of Citrus Expt. Station, Box Springs 365 Comment
  UCR132906  Lupinus bicolor 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
  UCR91492  Lupinus bicolor Scott D. White 1995-4-5 2725 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA561785  Lupinus bicolor subsp. marginatus Steve Boyd 1992-4-14 6843 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Mar 23 2007
  RSA0123382  Lupinus concinnus Duncan S. Bell, Thomas Stoughton 2016-4-14 9294 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  POM50377  Lupinus densiflorus var. lacteus W. W. Eggleston 1924-3-8 19523 Riverside Hemet. 480 Comment
  RSA670630  Lupinus densiflorus var. lacteus B. C. Templeton 1930-4-9 1493 Riverside East of Riverside 700 Comment
  SD186209  Lupinus excubitus A. C. Sanders 2004-4-20 27572 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR100820  Lupinus excubitus G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  CAS-BOT-BC216681  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3687 Riverside Gilman Ranch in the foothills of Banning 853 Comment
  CAS-BOT-BC216688  Lupinus excubitus subsp. hallii Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  POM125537  Lupinus excubitus var. austromontanus R. Weatherby 1949-6-6 663 Riverside Santa Rosa Mountain. 1982 Comment
  JOTR33934  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2824 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  POM312120  Lupinus formosus N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  UC1178516  Lupinus formosus Peter Kamb 1948-7-3 1149 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  UCR176927  Lupinus hirsutissimus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1103 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR93023  Lupinus hirsutissimus G. P. Schultz 1994-4-7 63 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA442334  Lupinus hyacinthinus George R. Johnston 1928-9-3 s.n. Riverside San Jacinto Mt. 3277 Comment
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Jul 6 2008
  SEINET10970268  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2742 Riverside San jacinto mts., 500 Ft below the peak. Comment
  RSA519403  Lupinus latifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA90133  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-8-19 18532 Riverside North of Fullermill Co., 1.3 miles north of Black Mt, Truck Trail, hwy from Banning to Idyllwild 1829 Comment
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Jul 14 2012
  UC16021  Lupinus sparsiflorus H. M. Hall Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  UCR225610  Lupinus sparsiflorus A. C. Sanders 2011-3-29 38833 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  UCSB39323  Lupinus sparsiflorus Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 130 Comment
  RSA414819  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 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
  RSA314674  Lupinus truncatus Robert F. Thorne, F. R. Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55499 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA450467  Lupinus truncatus J. C. Roos 1966-4-5 s.n. Riverside Winchester. Comment
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Mar 20 2011
  RSA605684  Lupinus truncatus R. S. Woglum 1938-5-1 1611 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  UCSB10439  Lupinus truncatus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road; from State Rd. 111; Colorado Desert Drainage Area; San Jacinto Mountain Range 609 Comment
  RSA80331  Lycium andersonii F. W. Peirson 1922-4-29 1084 Riverside Aguanga, western Riverside Co. 610 Comment
  UCR100094  Lycium andersonii R. G. Swinney 1967-3-5 s.n. Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR100785  Lycium andersonii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA1922  Lycium andersonii var. deserticola B. D. Stark 1930-3-17 s.n. Riverside Mockingbird Canyon Dam Comment
  UCR139380  Lycium brevipes I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  CHSC1921  Lycium torreyi Margery Anthony 1954-4-15 Riverside Near Joshua National Monument. Comment
  UCR59227  Lythrum californicum Ed LaRue 1989-5-9 s.n. Riverside Peninsular Range, N side of Temescal Wash, north of frontage road along Hwy 71, c. 1/2 mi (airline) NW of Alberhill 396 Comment
  POM17576  Machaeranthera asteroides H. Baer 1923-9-30 s.n. Riverside Hemet Comment
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Nov 17 2011
  RSA515322  Madia gracilis Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, south of town of Murrieta, Miller Canyon, north of Mesa de Burro 610 Comment
  UCD134317  Madia gracilis E. W. Lathrop 1966-5-5 6268 Riverside 5 miles west of Murrieta. Comment
  UCR19101  Malacothamnus densiflorus John C. Roos 1960-6-5 s.n. Riverside Peninsular Range; Santa Ana Mtns., off the Ortega Hwy, NE slope of Sugarloaf Peak [=Pleasants Peak] 1067 Comment
  RSA0119357  Malacothamnus fasciculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4436 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
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  SD144033  Malacothrix clevelandii A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20629 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740. 1067 Comment
  POM362318  Malacothrix glabrata W. Hutchinson 1925-04 s.n. Riverside Palm Springs. Comment
  RSA4970  Malacothrix glabrata C. B. Wolf 1932-4-27 3028 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA716262  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC194251  Malacothrix glabrata S. B. and W. F. Parish April, 1882 301 Riverside Agua Caliente, borders of Colorado Desert Colorado Desert Comment
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Nov 24 2011
  UC990705  Malacothrix glabrata Roxana S. Ferris and R. Bacigalupi 1953-4-20 12633 Riverside between crossing of Eagle Mt. Iron Mine R.R. and Shaver Summit (s of hayfields, U.S. Highways 60 and 70) Comment
  RSA692250  Malacothrix saxatilis var. tenuifolia Scott D. White, Michael Honer 2003-5-27 9401 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  CAS-BOT-BC348025  Malacothrix stebbinsii Carl B. Wolf 1941-4-28 10092 Riverside Mojave Desert. S. base of Old Dad-Granite Mt. Range. Mouth of Willow Spring Canyon 1219 Comment
  UC667300  Malacothrix stebbinsii Annie M. Alexander and Louise Kellogg 1941-5-7 2129 Riverside 12 mi sw 29 Palms; Colorado Desert, Joshua Tree National Monument 1310 Comment
  UCR51560  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  CSUSB589  Marah macrocarpa I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  RSA441228  Marah macrocarpa E. Crow 1929-3-17 284 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA543785  Marah macrocarpa Steve Boyd 1991-5-2 6042 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA569718  Marah macrocarpa L. C. Wheeler 1960-5-11 7701 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  UCR112523  Marah macrocarpa Mitch Provance 1998-2-13 12 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  RSA607362  Marina parryi R. S. Woglum 1939-4-11 2229 Riverside Sonora Desert: Rice to Parker. Comment
  UCR185117  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Northeastern Colorado Desert, Palen Mountains, S side. Near end of old prospect road 244 Comment
  UCD169617  Marina parryi Amber Swanson 2011-3-19 242 Riverside W of Eagle Mountain Road to Railroad tracks about 5 miles N of I-10. 306 Comment
  UCR140727  Marrubium vulgare A. C. Sanders 2004-5-12 27882 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CLARK-A1528-3624  Marsilea vestita John C. Roos 1965-9-16 Riverside Lakeview Comment
  POM78929  Marsilea vestita I. M. Johnston 1925-7-7 5285 Riverside ca. 1 mile NW of Norco 182 Comment
  RSA593887  Matricaria occidentalis Steve Boyd, David E. Bramlet 1996-4-19 8613 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR116900  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  SEINET7882514 Image available Matricaria suaveolens Jean Coulson 1959-1 s.n. Riverside Riverside; Canyon Crest Blvd., 100 yds S. of Liden 0 Comment
  POM13828  Meconella denticulata P. A. Munz 1922-4-28 5040 Riverside Leach Canyon 610 Comment
  RSA543842  Meconella denticulata Steve Boyd, Orlando Mistretta 1991-5-22 6303 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR165425  Melica imperfecta A. C. Sanders 2005-4-21 29582 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR215796  Melica imperfecta Anuja Parikh 1990-5-8 163 Riverside Perris/Aguanga Basin, west of Perris Valley, Motte Rimrock Reserve, 0.6 km south of Cajalco Road, 1.4 km east of old Elsinore Road 510 Comment
  UCR91514  Melica imperfecta Scott D. White 1996-3-31 3854 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR98258  Melica imperfecta Scott D. White 1997-2-28 4703 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SEINET10559686  Melica imperfecta Frank W. Gould 1943-4-17 Gould 2132 Riverside In small clumps on open rocky slopes; 4 miles east of Elsinore Comment
  CLARK-A1528-511  Melilotus albus Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  RSA556497  Melilotus indicus Julie Greene 1993-4-3 1111 Riverside San Jacinto Wildlife Area; around pond #3. 442 Comment
  CLARK-A1528-573  Mentha citrata John C. Roos 1951-9-25 5289 Riverside Riverside 259 Comment
  LA91117  Mentzelia affinis Peter H. Raven; 1958-3-15 11845 Riverside Box Canyon, E of Mecca Comment
  POM10382  Mentzelia affinis Charlotte M. Wilder 1906-05 7 Riverside Salt Lake fill [Salt Lake RR Bridge over Santa Ana River, Riverside] Comment
Read comments
Sep 4 2011
  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
  CDA36649  Mentzelia albicaulis G. D. Barbe, T. C. Fuller 1973-2-27 1050 Riverside 0.2 mile east of Coachella Canal on Highway 195, Box Canyon Wash, northeast of Mecca. 0 Comment
  RSA782078  Mentzelia albicaulis Duncan S. Bell 2009-3-9 116 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SD260065  Mentzelia albicaulis J. Andre 2012-4-11 20778 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  RSA457752  Mentzelia californica Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2113 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR20846  Mentzelia desertorum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1334 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UC64310  Mentzelia dispersa H. M. Hall June 1897 657 Riverside vicinity Strawberry Valley; San Jacitno Mountains 1584 Comment
  CSUSB969  Mentzelia involucrata Leland R. Dykes 1962-4-1 10 Riverside White Water Canyon Road, 4.5 miles north of US 60 Comment
  POM14007  Mentzelia involucrata P. A. Munz, D. D. Keck 1922-4-9 4827 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  UCR112106  Mentzelia involucrata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23358 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR16331  Mentzelia involucrata Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Hwy 195, 3 km north of Painted Canyon Road Comment
  SD3178  Mentzelia laevicaulis Fidella G. Woodcock 1928-4-27 Riverside North grade near base of San Jacinto Mountain at San Jacinto Creek. Comment
  RSA0107475  Mentzelia longiloba var. longiloba Duncan S. Bell, Amanda Turek 2009-3-29 149 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA0126945  Mentzelia longiloba var. longiloba P. A. Munz, R. D. Harwood 1920-4-3 3580 Riverside Ford's Well west of Blythe. 305 Comment
  UCR48410  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavilan Plateau, Gavilan Hills: Santa Rosa Road just west of Piedras Road Comment
  HSC85400  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon, Warm Springs Valley, Alberhill Creek E of Nichols Rd. 366 Comment
  RSA546307  Mesembryanthemum nodiflorum D. E. Bramlet, S. D. Boyd, A. C. Sanders, F. Roberts 1992-5-21 2291 Riverside The site is approximately 8 km southwest of Hemet. Found on the margin of vernal pools, which are located northwest of the intersection California Ave. and Stowe Rd., The site is located some 60 m N of Stowe Rd and some 122 m west of California Ave. 456 Comment
  RSA192187  Microseris douglasii subsp. platycarpha E. W. Lathrop 1959-4-16 4446 B Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  UC1595606  Microseris douglasii subsp. platycarpha Steve Boyd and Orlando Mistretta 1991-5-22 6293 Riverside e of Dorland Mtn. (w of Kolb Crk, base of Agua Tibia Mtn., Vail Lake area); Vail Lake, Agua Tibia Mtn. 548 Comment
  UCR132535  Microseris heterocarpa A. C. Sanders, Kent Beaman 2002-5-10 25051 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
  RSA0106592  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-9 0323 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA0018773  Mimetanthe pilosa Gary D. Wallace 2003-7-8 4035 Riverside Hidden Lake. Comment
  POM8582  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 8582 Riverside Butte west of Lakeview. 610 Comment
  UCR1657  Mimulus aurantiacus var. pubescens Leland R. Dykes 1962-5-1 61 Riverside Santa Ana Mtns, San Mateo Canyon Road, c. 10.5 mi west of Palomar Road, Murrieta Comment
  UCR270312  Mimulus aurantiacus var. pubescens T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8346 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 384 Comment
  RSA1323  Mimulus aurantiacus var. puniceus J. T. Howell 1928-7-9 1068 Riverside San Juan Canon Rd., Elsinore Mts. 610 Comment
  UCR101554  Mimulus aurantiacus var. puniceus A. C. Sanders 1997-3-19 20055 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  UCR139090  Mimulus brevipes Scott D. White 1997-5-18 5185 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  CAS-BOT-BC9460  Mimulus diffusus Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  JOTR01207  Mimulus guttatus Cole, James E. 1941-5-27 792 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR144750  Mimulus parishii Scott D. White, Brian Leatherman 2002-6-10 8780 Riverside San Bernardino Mtns., Whitewater River Canyon, c. 1 mi below trout farm 628 Comment
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  UCR216246  Mimulus pilosus Oleg Pryadko 2008-5-2 087 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  SEINET3079830 Image available Mimulus puniceus Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  POM158453  Minuartia douglasii P. A. Munz 1927-5-21 10876 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  SEINET7097939  Minuartia douglasii A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  RSA600122  Mirabilis bigelovii var. retrorsa Louis C. Wheeler 1959-12-27 7639 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR113591  Mirabilis californica A. C. Sanders 1998-1-15 21633 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  CLARK-A1656-640  Mirabilis froebelii Lois Ann Scott 1978-5-6 Riverside San Jacinto Mountains 1219 Comment
  UCR264233  Mirabilis laevis A. C. Sanders, Jim Malusa 2015-9-10 41860 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 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
  RSA0125279  Mirabilis laevis var. retrorsa Duncan S. Bell 2016-3-3 8784 Riverside Whitewater Canyon; near mouth of canyon, approximately 1 air mile south of Bonnie Bell, east side of the road, north of large gravel pit. 460 Comment
  UC912283  Mirabilis laevis var. retrorsa Herbert L. Mason 1928-3-10 4176 Riverside Snow Creek, Whitewater River Valley, Colorado Desert Comment
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA494625  Mirabilis multiflora var. pubescens Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  VVC701  Mirabilis tenuiloba P. J. MacKay, C. Sanders 1997-2-8 94 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  JOTR38682  Mohavea confertiflora Hodges, Stephen R. 2017-2-7 698 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  LA96069  Monardella linoides subsp. linoides Elizabeth McClintock; 1941-5-31 40 Riverside 1.5 to 2 mi from turn off to Anza Mounument, on rd to Coyote Canyon Comment
  UC1007166  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside ridge Toro Peak; Santa Rosa Mts. 2286 Comment
  UC25468  Monardella linoides subsp. linoides H. M. Hall 1897-7-30 758 Riverside 20 mi s Palm Spring Comment
  UC1499859  Monardella nana Elizabeth McClintock 1940-5-19 6 Riverside 1/2 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  RSA750393  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 47 Riverside About 5 miles from the Anza Monument turn off. Comment
  RSA750395  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 31 Riverside 1/2 mile above Santa Rosa Springs, on Santa Rosa Mt. Road. Comment
  RSA750408  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 65 Riverside Pines to Palms Highway, at turn off to Santa Rosa Mt. Comment
  RSA78307  Monardella nana subsp. arida P. A. Munz, E. K. Balls 1952-8-21 17986 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  UC123562  Monardella nana subsp. tenuiflora F. M. Reed 1908-7-13 2491 Riverside ridge n Tahquitz Valley; San Jacinto Mountains 2621 Comment
  UC1499831  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside trail to Hidden Lake (along switchbacks); San Jacinto Mts. Comment
  UC1499945  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 94 Riverside 3/4 mi beyond Stone Creek (Banning-Idyllwild road) Comment
  UC68566  Monolepis nuttalliana H. M. Hall Apr., 1905 5750 Riverside vicinity of Riverside (Box Springs Grade) 457 Comment
  RSA550352  Monoptilon bellioides Walter Wisura, John Dolan, Michael Wall 1992-3-24 4636 Riverside Lowdesert: 14.0mi NE of Mecca, Bajadas above Box Canyon. 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
  UC1069984  Monoptilon bellioides H. S. Yates 1936-4-7 5425 Riverside near Whitewater; San Jacinto Quadrangle Comment
  UC831346  Monoptilon bellioides Alice Eastwood 1913-4-30 2996 Riverside Palm Springs Comment
  UC852064  Montia fontana P. A. Munz 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  UCR117410  Morus alba S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR132709  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA777314  Muhlenbergia asperifolia Michael Wall 2010-9-9 592 Riverside Bautista Canyon east of Hemet; ca. 8 miles southeast of junction with Fairview Avenue, shaded narrow part of the canyon. 760 Comment
  CAS-BOT-BC267021  Muhlenbergia filiformis Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountain 1828 Comment
  RSA0012062  Muhlenbergia filiformis Steve Boyd, Gary D. Wallace 2005-7-30 11655 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UCR215454  Muhlenbergia porteri Jim Andre, T. La Doux 2008-9-16 10689 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  JOTR33124  Muhlenbergia rigens La Doux, Tasha, Mike Bell 2003-10-17 1593 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  CLARK-A1045-175  Muilla maritima George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5' Q Comment
  RSA359530  Muilla maritima Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
Read comments
Jan 15 2009
  UCR52587  Muilla maritima Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  RSA543872  Myosurus minimus subsp. apus Steve Boyd, Dave Bramlet 1991-5-13 6227 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR60559  Nama demissa R. F. Thorne, C. W. Tilforth 1980-5-28 54249 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  POM8457  Nama demissa var. deserti Mary F. Spencer 1920-4-5 207 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA800100  Nama hispida Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4772 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
  SD146244  Nama stenocarpa Andy Sanders, D. Bramlet et al 1999-10-15 23173 Riverside San Jacinto Valley; Mystic (San Jacinto) Lake, 1.4 mi southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spr., gental slope on dried lake bed, scattered along lakeshore for nearly 1 km (mak 10/07) 433 Comment
  RSA234041  Navarretia prostrata R. F. Thorne, E. W. Lathrop 1969-5-12 37937 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR258872  Nemacladus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7910 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  SD73181  Nemacladus longiflorus Darley F. Howe 1969-5-15 Riverside Near Dripping Springs Camp. 455 Comment
  SD137820  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia mountain, east of the Dripping Springs Alcove Area. 500 Comment
  SBBG35012  Nemacladus longiflorus var. longiflorus T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, few mi E of Hemet Comment
  RSA0126316  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR20718  Nemacladus ramosissimus A. C. Sanders, Steve Boyd 1980-5-2 1438 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR281783  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-5 417- 106 Riverside Temescal Valley, Foothills of the Gavilan Range, ridge +- 0.5 miles NNW of Lake St. and Walker Canyon Rd. 543 Comment
  JEPS78489  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 A Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains 731 Comment
  RSA777653  Nemacladus tenuis var. aliformis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 B Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA620357  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR225595  Nemophila menziesii A. C. Sanders 2011-3-29 38859 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
  SD128719  Nicotiana obtusifolia Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  RSA0018755  Nicotiana obtusifolia Kraemer 1929-3-17 s.n. Riverside S. La Quinta. Comment
  UCD126680  Nicotiana obtusifolia Dan Axelrod 1932-3-20 s.n. Riverside exact location unknown. Comment
  SEINET3077688 Image available Nicotiana quadrivalvis Rodney Hendrick 1965-5-2 Riverside 6 mi west Aguanga on Hwy 71. Comment
  SEINET3077948 Image available Nicotiana quadrivalvis Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murrieta. 366 Comment
  UCR232046  Nicotiana quadrivalvis John F. Green 2008-4-15 0408- 09 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
  UCR59509  Nicotiana quadrivalvis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3559 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  SD134472  Nitrophila occidentalis Craig Reiser 1988-7-1 Riverside Near Gilman Hot Springs Comment
  POM11513  Nolina parryi Philip A. Munz 1922-6-30 5928 Riverside Santa Rosa Mountains, south of Santa Rosa. 1768 Comment
  SD67899  Nolina parryi Reid Moran 1968-8-3 15374 Riverside W slope of Santa Rosa Mtn. 1750 Comment
  SD80151  Nolina parryi Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 402 Riverside N slope Santa Rosa Mts., Deep Canyon, 1 mi. S of Hwy. 74; water serviceroad Comment
  UC218120  Nolina parryi P. A. Munz 1922-6-30 5920 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  CAS-BOT-BC71173  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  RSA655092  Notholaena californica Scott D. White 2000-4-17 7650 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  SEINET7248436  Nymphaea odorata Kim Klementowski 2001-1 Riverside Cibola National Wildlife Refuge. 66 Comment
  CHSC8395  Oenothera Edward L. Smith 1957-4-3 234 Riverside 1 mi. n on hwy. 99 to 29 Palms. San Bernardino Mts. 91 Comment
  RSA146098  Oenothera californica subsp. californica Peter H. Raven 1959-4-23 14021 Riverside 4.1 miles west of Dripping Springs. Comment
  LA206154  Oenothera deltoides A. M. Johnson; 1932-3-20 3903 Riverside Indian Wells, below Palm Springs Comment
  UC1922396  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1428 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA0048795  Oenothera deltoides subsp. deltoides Jim Andre 2013-3-27 24807 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  RSA615333  Oenothera deltoides subsp. deltoides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2689 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA783633  Oenothera micrantha J. D. Olmsted 1959-8-18 829 Riverside Southeast corner of Hunter Hall Desert Sun School near Idyllwild, Main fork of San Jacinto River drainage area, south slope. 1646 Comment
  UCR40267  Olea europaea Steve Boyd 1985-7-23 1004 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 5.5 mi west of Rancho California 396 Comment
  RSA605206  Oligomeris linifolia A. C. Sanders, G. K. Helmkamp, P. Mackay 1995-3-12 16026 Riverside Sonoran (Colorado) Desert Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111). -7 Comment
  SEINET7259361 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 5323 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  UCR266155  Oncosiphon piluliferum R. E. Riefner Jr. 2015-4-3 15- 108 Riverside Perris-Agunaga Basin, city of Menifee, Haun Road at Holland Road 446 Comment
  SEINET10447235  Opuntia basilaris David B. Dunn 1946-3-16 Dunn 2057 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Comment
  RSA5407  Opuntia bigelovii var. bigelovii C. B. Wolf 1932-10-12 4301 Riverside Northwest end of Pinto Basin, about 4 mi east of El Dorado Queen Mine. 915 Comment
  SEINET224185  Opuntia littoralis var. martiniana Lyman Benson, Robert Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal/springs 488 Comment
  SEINET10732264  Opuntia parryi Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 691 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  POM288145B  Opuntia phaeacantha David Griffiths 1909-5-10 9675 Riverside Banning. Comment
  POM306430  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  UCR60724  Orcuttia californica R. F. Thorne 1973-5-23 43859 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CAS-BOT-BC355575  Oreostemma alpigenum var. andersonii Carl B. Wolf 1932-8-5 3953 Riverside San Jacinto Mts. 1st. real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  UCR35210  Orobanche californica subsp. feudgei L. B. Ziegler 1972-6-14 483 Riverside San Jacinto Mtns, Hemet (= Garner) Valley. 1402 Comment
  RSA0020373  Orobanche cooperi Duncan S. Bell 2012-3-4 3132 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UC729742  Orobanche cooperi Carl B. Wolf 1932-4-29 3113 Riverside 4 mi s of Browns Well (Eastern Colorado Desert, Blythe-Rice Road); Eastern Colorado Desert, Blythe-Rice Road 213 Comment
  UC887969  Orobanche cooperi C. L. Hitchcock 1940-3-29 5845 Riverside 12 mi e of Indio Comment
  CLARK-A1528-4283  Orthocarpus purpurascens John C. Roos 1947-3-21 3368 Riverside Reche Canyon Comment
  POM256964  Orthocarpus purpurascens var. pallidus W. Pequegnat 1940-4-28 s.n. Riverside Bedford Truck Trail. 366 Comment
  RSA221028  Osmorhiza brachypoda E. W. Lathrop 1966-3-30 6124 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UC1608279  Oxalis corniculata Steve Boyd and Tim Ross 1992-5-5 7258 Riverside along Serrano Springs drainage (Oak Flats, between Lucas Canyon Trail and junction of Bluewater and Verdugo Tails); Southern Santa Ana Mountains, San Mateo Wilderness Area 731 Comment
  UCR158337  Oxalis pes-caprae A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30074 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
  UCR165202  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns. Banning/Idyllwild Road 243, 0.9 mi N of Vista Grande Guard Station 1425 Comment
  PASA2619  Paeonia brownii Sally Ellis 1940-3-18 Riverside Dripping Springs Comment
  RSA594000  Paeonia californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 932 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  CAS-BOT-BC327895  Palafoxia arida E. A. Macgregor 1917-3-19 714 Riverside Colorado Desert. Indio Sands Comment
  SD227758  Palafoxia arida Scott D. White, Pam Devries 1998-2-9 6084 Riverside Coachella Valley. La Quinta / Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  UCR248433  Palafoxia arida Duncan S. Bell 2012-2-12 3126 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UC51605  Palafoxia arida var. arida Jos. Burtt Davy 1902-4-2 8055 Riverside Salton Comment
  UCR279543  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43128 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  UCR43000  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside Vacant lot where an orange grove was recently removed, across the street from 1012 Spruce St. 305 Comment
  RSA0020044  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  SD67091  Papaver californicum E. Norland 1967-5-12 Riverside Temecula Canyon on Santa Margarita River, northwest of Rainbow. Comment
  RSA776019  Parietaria hespera Duncan S. Bell 2010-3-20 609 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR49218  Parietaria hespera var. californica Steve Boyd 1986-4-2 1596 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC495207  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Canyon; Coachella Valley 91 Comment
  UCR124096  Parietaria hespera var. hespera Steven R. Hill 2001-5-3 33659 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
  SBBG68551  Parkinsonia florida H. and M. Dearing 1930-4-14 Riverside between Salton Sea and Palm Springs Comment
  SEINET10940084  Parkinsonia florida Billy Joe Cox 1975-4-23 Cox 4137 Riverside 1-3 km W, (ca 32 m S of Blythe). 70 Comment
  RSA599120  Paspalum dilatatum V. W. Steinmann, D. L. Banks 1996-4-20 846 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  RSA500149  Paspalum distichum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3651 D Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  RSA0089248  Pectis papposa Ken Halama 2015-10-9 s.n. Riverside Perris Basin: Motte Reserve, c. 2.5 mi NW of Perris, eastern edge of the Gavilan hills. 542 Comment
  RSA356887  Pectis papposa R. F. Thorne 1966-10-15 41795 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA387326  Pectis papposa Aaron Liston, Thomas S. Elias, Oscar Dorado, S. Zona 1986-11-29 643 -2 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
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Oct 9 2010
  UCR17641  Pectis papposa Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  UCR242714  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  CAS-BOT-BC355871  Pectis papposa var. papposa R. F. Hoover 1966-10-15 10174 Riverside Bighorn Drive, San Jacinto Mts. Comment
  CAS-BOT-BC541409  Pectis papposa var. papposa Sarah J. De Groot; Duncan S. Bell 2015-9-21 7585 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Carrizo Rd just N of Hwy 74 1053 Comment
  GMDRC3106  Pectis papposa var. papposa J. Andre, T. La Doux 2008-9-13 10268 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  UC577423  Pectis papposa var. papposa J. and H. W. Grinnell 1937-11-30 1084 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  UCR216202  Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA716825  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR180352  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR91431  Pectocarya linearis Scott D. White 1995-3-30 2644 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  POM368785  Pectocarya penicillata E. Crow 1929-4-21 336 Riverside North of Alberhill Comment
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Sep 29 2011
  RSA543783  Pectocarya penicillata Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6040 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA676088  Pectocarya penicillata Scott D. White 2001-4-13 8323 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  RSA744306  Pectocarya penicillata Michael Wall 2009-3-27 499 -C Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  RSA779011  Pectocarya platycarpa Duncan S. Bell 2010-4-1 644 B 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
  UCR177295  Pectocarya recurvata Scott D. White 2003-3-23 8834 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR91517  Pectocarya recurvata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  SEINET10840877  Pectocarya recurvata David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2910 Riverside Hillside by quadrat 4. Pushawalla Canyon. Comment
  RSA525234  Pectocarya setosa Steve Boyd, Timothy S. Ross 1990-5-11 4611 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA262084  Pedicularis densiflora E. W. Lathrop 1969-4-9 6968 Riverside 4 mi west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive.Southern oak woodland with occasional Coulter Pine and Bigcone Spruce. Comment
  UC1543142  Pediomelum californicum Fullerton Junior College Botany students 1936-5-22 Riverside San Jacinto Mountains Comment
  IRVC3139  Pellaea andromedifolia R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  RSA770698  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4802 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG35234  Pellaea andromedifolia T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR174257  Pellaea andromedifolia A. C. Sanders, T. B. Salvato 2006-6-2 33065 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA743826  Pellaea andromedifolia var. andromedifolia Sarah J. De Groot, J. Mark Porter 2005-3-9 4773 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  SDSU14026  Pellaea andromedifolia var. andromedifolia Kristin Andrade, Mike Simpson 2002-4-20 7 Riverside 10 feet from observation point on Loop trail at Santa Margarita Ecological Reserve 361 Comment
  UCR22114  Pellaea mucronata Steve Boyd 1980-4-8 117 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR89842  Pellaea mucronata Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3307 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  IRVC3156  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-30 SJ 89 Riverside Santa Rosa Road. Peninsular Ranges, Santa Rosa Mountains 1585 Comment
  RSA126030  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-8-20 22673 Riverside 14.7 mi. SW and W along State Hwy. 74 from Palm Village (jct. with State Hwy 111) 1127 Comment
  OBI69399  Pennisetum setaceum Dave Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mi S of hwy I-10, and 2 mi W of Indian Ave (Desert Hot Springs 7.5' Quad: T3S, R4E, S1/2 of sect 20 & 21, near center line between the two sections) 259 Comment
  CAS-BOT-BC266692  Penstemon californicus Philip A. Munz 1937-5-31 15122 Riverside Kenworthy, S end of San Jacinto Mountains 1371 Comment
  UC886862  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside Kenworthy San Jacinto Mts., Hemet Valley; Kenworthy, Hemet Valley 1371 Comment
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Mar 25 2011
  JEPS3111  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside on State Highway No. 71, 3 mi e Temecula; e of Temecula Comment
  RSA502508  Penstemon centranthifolius Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3558 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR137170  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mtns., San Bernardino National Forest, along forest road 7S02 to Santa Rosa Mt. 1646 Comment
  UCR202246  Penstemon centranthifolius 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
  UCR50419  Penstemon centranthifolius L. F. LaPre 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  RSA97015  Penstemon centranthifolius R. M. Straw 1953-6-4 431 Riverside Pinyon Flats, Palms to Pines Hwy. 1220 Comment
  SD73628  Penstemon clevelandii var. connatus Helen V. Witham 1970-4-29 823 Riverside 22 miles east of Lake Hemet, on Hwy 74. 1299 Comment
  POM250043  Penstemon eatonii E. C. Jaeger 1939-5-20 s.n. Riverside Falcon Flats, 20 miles south of Warren's Well 1220 Comment
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Oct 30 2012
  RSA772326  Penstemon grinnellii subsp. grinnellii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4506 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1329890  Penstemon incertus James E. Cole 1941-6-16 916 Riverside Lost Horse Valley Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  RSA284585  Penstemon labrosus C. W. Tilforth, John Dourley 1980-7-15 2072 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UC55001  Penstemon rostriflorus H. M. Hall 1898-6-25 940 Riverside Van Deventer Flat Western borders Colorado Desert, Van Deventer Flat 1371 Comment
  RSA401809  Penstemon spectabilis Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  RSA621904  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3221 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  LA203844  Pentachaeta aurea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  RSA773473  Pentachaeta aurea Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 A Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  SEINET10545725  Perideridia parishii David B. Dunn 1946-8-17 Dunn 2694 Riverside Grass near stream at camp in Taquity Valley damp meadow area. 2438 Comment
  SBBG2637  Peritoma arborea H. and M. Dearing 1938-3-5 1075 Riverside Box Cyn, N of Mecca Comment
  UCSB3817  Peritoma arborea Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy. 99, western edge of the Colorado Desert Comment
  JOTR35352  Peritoma arborea var. angustata Andre, Jim 2012-4-11 20704 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
  CAS-BOT-BC355983  Perityle emoryi D. A. Johansen; J. A. Ewan 1932-4-10 7059 Riverside Mouth of Tahquitz Canyon, western Colorado Desert Comment
  CAS-BOT-BC356001  Perityle emoryi Alice Eastwood 1913-4-30 2977 Riverside Palm Springs Comment
  RSA550348  Perityle emoryi Walter Wisura, John Dolan, Michael Wall 1992-3-24 4640 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  UCR90335  Perityle emoryi Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  CLARK-A1656-878  Petalonyx thurberi Jim Cornett 1977-6-25 Riverside Desert Hot Springs 396 Comment
  LA106265  Peucephyllum schottii David S. Verity; Sue Verity 1986-1-2 sn Riverside Hidden Palms, Indio Hills Comment
  LA203891  Peucephyllum schottii Martha Hilend Kinsey; 1935-3-24 sn Riverside Painted Canyon Comment
  RSA286433  Phacelia ambigua Mary H. O Brien 1976-4-14 s.n. Riverside Roadside of Amboy Road 3 miles of Adobe Road in 29 Palms. 595 Comment
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Mar 29 2014
  RSA348924  Phacelia ambigua Robert F. Thorne, R. Rutherford 1964-4-12 33657 a Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA426002  Phacelia ambigua M. B. Dunkle 1932-3-25 2914 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA697778  Phacelia ambigua J. R. Bruff 1927-3-13 22 Riverside Thousand Palms Comment
  POM13112  Phacelia brachyloba P. A. Munz, I. M. Johnston 1922-5-19 5344 Riverside 5 mi. E of Murrieta. 488 Comment
  UC1287099  Phacelia cicutaria var. hispida C. L. Hitchcock 1966-3-15 24156 Riverside 1 mi e Glen Ivy Hot Springs Comment
  RSA776690  Phacelia crenulata Duncan S. Bell, Amanda Turek 2010-4-10 793 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  RSA426222  Phacelia distans Ora M. Clark 1929-2-23 1590 Riverside North Whitewater. Comment
  RSA428216  Phacelia distans Robert Gustafson 1983-3-27 2486 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA444556  Phacelia distans Walter Wisura 1988-3-1 4200 Riverside Black Eagle Mine Rd., just outside the boundry of Josua Tree Natl. Mon., Comment
  RSA770840  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4685 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65122 604 Comment
  UCR134646  Phacelia distans Mitch Provance 1998-4-10 416 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  POM9668  Phacelia distans P. A. Munz, R. D. Harwood 1920-2-28 3246 Riverside 3 miles west of Corona. 305 Comment
  RSA595740  Phacelia imbricata Louis C. Wheeler 1945-10-6 6135 Riverside Head of west fork of Snow Creek. 2378 Comment
  CAS-BOT-BC145042  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  RSA428297B  Phacelia minor M. B. Dunkle 1933-4-5 3375 Riverside Jack Rabbit Trail 915 Comment
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Mar 21 2011
  RSA659353  Phacelia minor P. Shirokawa 1998-5-15 29 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  SBBG55017  Phacelia minor D. Keil, M. McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  POM14110  Phacelia neglecta P. A. Munz, D. D. Keck 1922-4-9 4873 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  JOTR30642  Phacelia pedicellata La Doux, Tasha, Erin Babich 2008-4-21 1804 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  RSA645684  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  CDA40393  Phacelia ramosissima var. suffrutescens T. C. Fuller 1964-4-14 11830 Riverside On disturbed cut above road, Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  POM7721  Phacelia tanacetifolia P. A. Munz, R. D. Harwood 1920-3-20 3372 Riverside 5 miles S of Corona 305 Comment
  UCR20521  Phacelia viscida H. A. Zuill 1966-6-5 197 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  RSA0034096  Phalaris minor Duncan S. Bell 2013-1-30 4454 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  CAS-BOT-BC174320  Phalaris paradoxa A. C. Sanders 2003-5-9 26590 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA736307  Phalaris paradoxa Scott D. White, Justin M. Wood 2008-5-13 11954 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA0057661  Philadelphus microphyllus var. stramineus Percy C. Everett 1942-7-28 11294 Riverside Several hundred yards below summit of Devil's Slide Trail (Trail to Mt. San Jacinto), San Jacinto Mountains. 2439 Comment
  SEINET10516949  Phleum alpinum David B. Dunn 1946-8-17 Dunn 2680 Riverside Grass near stream at camp in Taquity valley damp meadow area. San Jacinto Mountains. 2438 Comment
  JOTR32531C  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  HSC15304  Pholisma arenarium C. L. Hitchcock, C. V. Muhlick 1964-3-22 23269 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  RSA459291  Pholistoma membranaceum Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SBBG1369  Phoradendron bolleanum H. and M. Dearing 1940-11-11 5020 Riverside Morongo Cyn Comment
  RSA132739  Phoradendron densum Del Wiens 1954-10-19 962 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. 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
  RSA78286  Phoradendron villosum Philip A. Munz, E. K. Balls 1952-8-21 17969 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  CAS-BOT-BC260907  Phragmites australis H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chino Canyon, San Jacinto Mts. Comment
  RSA23174  Physalis crassifolia I. L. Wiggins 1938-3-25 8926 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  RSA615335  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2692 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  UCD126791  Physalis crassifolia Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, et al 2004-5-14 11216 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC1129859  Pickeringia montana var. montana R. St. John 1931-2-27 189 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
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Nov 27 2011
  UCR77756  Pilularia americana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6348 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA769823  Pinus coulteri E. W. Lathrop 1968-5-22 6933 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD229025  Pinus jeffreyi Dick Schwenkmeyer 2012-9-20 841 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  RSA741587  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCSB38389  Pinus pinea S. Austin 1969-10-10 Riverside UNIV. CALIF. RIVERSIDE Comment
  UCD134983  Pinus quadrifolia Lionel A. Stange 1956-5-12 s.n. Riverside Fifteen miles south of Banning on road to Idyllwild. Comment
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Mar 13 2014
  UCR97686  Plagiobothrys canescens A. C. Sanders, G. Helmkamp 1997-3-15 19964 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  SD260921  Plagiobothrys collinus Andrew C. Sanders, T. B. Salvato 2012-4-27 40089 Riverside Peninsular Range: Santa Ana Mtns Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and nouth of Mayhew Cyn (Lake Mathews 7.5'Q) 313 Comment
  UCR121810  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-4-17 24058 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  LA210029  Plagiobothrys collinus var. californicus John O'Leary; 1975-4-12 346 Riverside Slope of Box Spring Mountain, about 5 mi from summit 609 Comment
  UC1605427  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UCR112525  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-13 8 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR228916  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-7 39028 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  POM13593  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5158 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  HSC78730  Plagiobothrys nothofulvus A. C. Sanders, T. Glenn 1983-4-17 3737 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  RSA543605  Plagiobothrys nothofulvus Steve Boyd 1991-5-7 6167 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SEINET242057  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region: Temecula, Long Cnyn W of Del Rey Rd., along bottom of cnyn W of junxn of Ave. Pina Colada 366 Comment
  UCR58499  Plagiobothrys nothofulvus Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  CLARK-A1045-190  Plagiobothrys tenellus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  UC1931224  Plagiobothrys tenellus Scott D. White, Justin Wood 2008-6-18 12242 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  SDSU18408  Plantago erecta C. Matt Guilliams 2008-2-21 473 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR231759  Plantago erecta John F. Green 2008-4-23 09- 11 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR92086  Plantago major Scott D. White, S. Ogg 1994-10-17 2476 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  JOTR35285  Plantago ovata Andre, Jim 2012-4-11 20779 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  OBI53571  Plantago ovata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2104 Riverside N end Palen Mts, 2 mi W of Palen Pass 300 Comment
  UCR103339  Plantago ovata George K. Helmkamp 1998-2-5 2647 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR233179A  Plantago ovata Jim Andre, Glenn L. Clifton 2011-2-22 17427 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  POM305630  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 869 Riverside Blythe, Colorado River bluffs. Comment
  POM4543  Plantago ovata var. fastigiata I. M. Johnston 1917-4-6 s.n. Riverside Palm Canyon. 274 Comment
  RSA0069667  Plantago ovata var. fastigiata Cheryl Sevilla, Sarah J. De Groot 2015-2-18 11 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA401953B  Plantago ovata var. fastigiata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA402039B  Plantago ovata var. fastigiata M. B. Dunkle 1933-3-4 3046 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA4881  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 2997 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road. 152 Comment
  UCR120901  Plantago virginica A. C. Sanders 2002-3-20 24897 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  RSA382936  Platanthera leucostachys Anstruther Davidson 1896-07 s.n. Riverside Strawberry Valley. 2439 Comment
  JEPS29293  Platystemon californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8388 Riverside about 5 mi se Corona (just n of Bedford Canyon); eastern base of Santa Ana Mountains, n of Bedford Canyon 304 Comment
  RSA660063  Platystemon californicus Matt Bogdanoff 1981-4-11 8 Riverside Cajalco Rd., 5.9 mi E of junction with La Sierra Ave., SE of Lake Mathews. 488 Comment
  UC167979  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UC70076  Plectritis ciliosa subsp. insignis F. M. Reed 1905-4-20 728 Riverside vicinity of Riverside (top of Box Springs Mountain); Box Springs Mountain Comment
  JOTR28940  Pleuraphis rigida La Doux, Tasha 2005-3-30 1176 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR32119  Pleuraphis rigida La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2277 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA0019778  Pleuraphis rigida April Garbat, Rachel Poutasse 2013-3-20 10 Riverside Graham Pass Rd, S 5 miles from junction with Chuckwalla Rd. In drainage/wash to west of rd, 1 mile S of power lines. 145 Comment
  RSA780232  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 111 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
  CAS-BOT-BC177608  Pleurocoronis pluriseta Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  SDSU18649  Pleurocoronis pluriseta Michael G. Simpson, Kristen Hasenstab 2008-4-1 2941 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  UC729734  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mi off Mecca-Blythe Road (lower end of Lost Palms Canyon at first rocky hills); Colorado Desert, Lost Palms Canyon 243 Comment
  CDA8481  Pluchea odorata Leo Kroonen 1943-10-18 Riverside Corona. 0 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
  UCR111600  Pluchea sericea Mitch Provance 1998-4-8 1775 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  SEINET244767 Image available Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns.; Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  LA206407  Poa nevadensis Frank W. Gould; 1943-4-18 2153 Riverside San Jacinto Mountains, 1 mi. W of Banning, foothills of mountains Comment
  UCR126381  Poa secunda A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 690 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR178028  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  JEPS50498  Polygonum amphibium var. stipulaceum Samuel B. Parish June 1882 Riverside Aguanga Comment
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Mar 9 2011
  UCR106332  Polygonum aviculare John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  SBBG61496  Polygonum douglasii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  RSA575829  Polygonum lapathifolium Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  RSA653320  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, about 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco. 191 Comment
  UCR101189  Polygonum ramosissimum L. C. Wheeler 1955-6-10 7152 Riverside Sonoran (Colorado) Desert, 3.5 miles NNE of Palo Verde; Avenue 32 and Rannells Blvd Comment
  UC1930144  Polypodium californicum Scott D. White 2003-3-21 8806 Riverside SANTA ROSA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  RSA588606  Polypogon maritimus D. L. Banks, Steve Boyd 1995-10-17 0816 B Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC39757  Polypogon monspeliensis H. M. Hall June, 1901 2274 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1615 Comment
  UC472732  Polypogon monspeliensis A. S. Hitchcock 1918-3-27 Riverside Colorado Desert Palm Springs; , Palm Springs 100 Comment
  RSA510044  Polypogon viridis B. Pitzer, H. Pitzer, J. Hall 1987-5-23 577 Riverside Whitewater Canyon, from N edge of Fish Hatchery to ca. 1/2 mile N of it; ca. 5.5 mile N of I-10 on Whitewater Canyon Road. 732 Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  RSA180294  Populus trichocarpa E. W. Lathrop 1965-4-18 5651 Riverside 10 miles west of Murrieta. Comment
  RSA681883  Porophyllum gracile Scott D. White 2001-3-13 s.n. Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  RSA701158  Porophyllum gracile Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11261 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR41826  Porophyllum gracile A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6106 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JOTR29089  Portulaca halimoides La Doux, Tasha, Bill Truesdell 2003-9-24 1259 Riverside Joshua Tree National Park. Queen Mountains, along trail to Barker Dam 1296 Comment
  RSA797661  Potentilla glandulosa subsp. glandulosa Robert F. Thorne, E. W. Lathrop 1977-5-18 49765 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  SD229257  Potentilla gracilis Dick Schwenkmeyer 2012-6-27 759 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA795933  Prenanthella exigua Duncan S. Bell 2009-4-19 263 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CAS-BOT-BC202362  Prosopis glandulosa var. torreyana A. C. Sanders; Steve Boyd; Mitch Provance 1999-9-14 23075 Riverside San Bernardino Valley: Colton Dunes, dune remnant on Slover Ave. between Pepper Ave and the tank farm, ca. 1 mile due W of Slover Mtn. 320 Comment
  JOTR32425  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  JEPS44624  Prunus fasciculata W. L. Jepson 1901-5-22 1344 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  RSA698640  Prunus fasciculata J. R. Bruff 1928-4-2 167 Riverside Cottonwood Springs. Comment
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Mar 23 2015
  UC218102  Prunus fasciculata A. Gilman 1922-4-10 Riverside Morongo Pass Comment
  JOTR34484  Prunus fasciculata var. fasciculata Andre, Jim 2012-4-16 20967 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  RSA212925  Prunus fremontii L. B. Ziegler 1969-4-6 s.n. Riverside Pinyon Flats southeast of San Jacinto Mts. 1524 Comment
  CLARK-A1528-3072  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  CAS-BOT-BC356350  Psathyrotes ramosissima Beley; Larson 1975-4-24 1769 Riverside Near intersection of Varner Road and T/L approx. 5 mi. N. of Palm Springs Comment
  UC1595718  Psathyrotes ramosissima W. Wisura, J. Dolan, and M. Wall 1992-3-24 4622 Riverside 6.0 mi ne Mecca (on Box Canyon Rd.) Comment
  UCR34952  Psathyrotes ramosissima L. B. Ziegler 1976-9-20 554 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  POM10053  Pseudognaphalium biolettii Charlotte M. Wilder 1903-4-19 23 Riverside Wilder Canyon, W Riverside County Comment
  UCR174310  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32642 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR199566  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  CAS-BOT-BC356792  Pseudognaphalium californicum Peter H. Raven 1958-5-17 12953 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  LA6328  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, Herky Creek Comment
  CLARK-A1528-286  Psilocarphus brevissimus Ruth Cooper 1941-6-8 68 K Riverside Comment
  CAS-BOT-BC361790  Psilocarphus brevissimus var. brevissimus Philip A. Munz 1941-5-18 16648 Riverside About 15 miles north-east of Temecula Comment
  UCR85735  Psilocarphus brevissimus var. brevissimus Scott D. White 1993-4-30 1318 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR264249  Psilostrophe cooperi A. C. Sanders 2015-9-11 41868 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  UC667322  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-22 2217 Riverside 1.5 mi n Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, n of Cottonwood Spring 975 Comment
  UCR144127  Psorothamnus arborescens var. simplicifolius Scott D. White 2001-4-18 8357 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  CAS-BOT-BC353641  Psorothamnus emoryi Cecil Hart 1926-3-9 s.n. Riverside between Whitewater and Indio Comment
  LA205188  Psorothamnus emoryi A. M. Johnson; 1928-5-5 342 Riverside Travertine Rock Comment
  RSA336191  Psorothamnus emoryi Robert F. Thorne 1978-4-23 52042 Riverside Just E of Palm Desert. Comment
  SDSU5209  Psorothamnus emoryi J. Beley 1975-4-23 74 -671 Riverside 10 miles north Palm Springs along paved T/access. Comment
  UC1129831  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside 2 mi s Willis Palm; Thermal Quad., s of Willis Palm Comment
  UC484161  Psorothamnus emoryi B. D. Stark 1930-4-2 1501 Riverside w Indio; w of Indio 0 Comment
  UCD108298  Psorothamnus emoryi Dan Axelrod 1932-3-20 s.n. Riverside 8 mi. east of Oasis on Jones Ranch. Comment
  UCR237516  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Southcentral Mojave Desert, Granite Mountains area east of Hwy 177 near junction 62 423 Comment
  JEPS41676  Psorothamnus schottii W. L. Jepson 1927-4-14 11704 Riverside Silent Canyon Colorado Desert, , Silent Canyon (se end Santa Rosa Mts.) Comment
  RSA113923  Psorothamnus schottii Percy C. Everett, E. K. Balls 1956-5-2 31555 Riverside 4 mi. N from turn-off Hwy. 60/70, W of Desert Center, on rd. to Eagle Mt. Pumping Sta., 305 Comment
  RSA6199  Psorothamnus schottii B. D. Stark 1932-6-5 1515 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  SFV4381  Psorothamnus schottii F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  UC169102  Psorothamnus schottii S. B. Parish 1907-4-23 6107 Riverside Palm Springs , Palm Springs (Colorado Desert) Comment
  UCSB42194  Psorothamnus schottii Roos, John 1966-5-2 Riverside At the mouth of Pushawalla Canyon, Indio Mtns. Comment
  SBBG68033  Psorothamnus spinosus M. Van Rensselaer 1945-11-18 1919 Riverside S of Cathedral City Comment
  SBBG68035  Psorothamnus spinosus V. Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Cyn 243 Comment
  POM19645  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Banning road prope [near] Idyllwild. San Jacinto Mt. 1829 Comment
  RSA69241  Pterospora andromedea F. W. Peirson 1924-7-27 4987 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  CLARK-A1528-5208  Pterostegia drymarioides John C. Roos 1952-3-19 5397 Riverside Box Springs Mountains Comment
  RSA158396  Pulicaria hispanica J. C. Roos 1962-10-19 s.n. Riverside Whitewater Canyon 549 Comment
  CAS-BOT-BC362147  Pulicaria paludosa A. C. Sanders 2002-11-21 25640 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA771347  Pulicaria paludosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4530 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  CAS-BOT-BC156399  Purshia tridentata var. glandulosa Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  UC511836  Purshia tridentata var. glandulosa Frank W. Peirson 1933-4-13 10645 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  UCSB41281  Purshia tridentata var. tridentata Cowan, Clark 1978-4-25 Riverside Pinon Flat Campgrd. Hwy. 74, 8.9 mi (14.2 km) E of jct. Hwy 74 & 371. San Bernardino Nat. Forest. Comment
  RSA0081603  Pyrola aphylla R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38139 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. On hill above lake. 1677 Comment
  UC1135500  Quercus X acutidens A. Lewis Mar 1934 354 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quad. 1066 Comment
  CAS-BOT-BC61821  Quercus agrifolia B. Trowbridge 1979-4-13 6074 Riverside ca. 5 miles west of Temecula off Hwy. 71 457 Comment
  UC5840  Quercus agrifolia Samuel B. Parish 1891-11-3 2254 Riverside Murietta Comment
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Jul 16 2009
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  HSC34608  Quercus berberidifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 520 Riverside Cleveland National Forest, Hwy. 74 between San Juan Capistrano and Lake Elsinor near Upper San Juan Campground, Comment
  UCR273038  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  UCR51371  Quercus berberidifolia Maureen Hales Pendleton 1988-2-1 s.n. Riverside Peninsular Range, c. 2.5 mi. south of Temecula between Interstate Hwy 215 and Rainbow Canyon Road. 412 Comment
  CAS-BOT-BC86540  Quercus cornelius-mulleri Edmund C. Jaeger 1923-5-20 s.n. Riverside One mile S of Reyes Ranch 1280 Comment
  SBBG44664  Quercus cornelius-mulleri W. B. Holt 1941-10-21 10 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  UCR106904  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1160 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCR217514  Quercus engelmannii Jeff B. Galvin 2009-7-16 96 Riverside Perris-Aguanga Basin, Drainage on north of Estelle Mtn running into Dawson Cyn 431 Comment
  UCR169243  Quercus kelloggii Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 83 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  CAS-BOT-BC104313  Quercus palmeri E. K. Balls; P. C. Everett 1952-11-18 18257 Riverside by entrance to Santa Rosa Indian reservation, Vandeventer Flats 1402 Comment
  POM13705  Quercus palmeri P. A. Munz, I. M. Johnston 1922-5-21 5513 Riverside Head of Hemet Valley, along edges of valley from Kenworthy 1524 Comment
  SD229181  Quercus turbinella Dick Schwenkmeyer 2012-5-22 715 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  CAS-BOT-BC134753  Quercus wislizeni W. R. Dudley; F. H. Lamb 1896-6-14 4486 Riverside Cuddy Canyon Comment
  UCR262385  Quercus wislizeni Tom Scott 2011-1 2011- 568 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
  CLARK-A1528-2914  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mountains 518 Comment
  RSA477131  Quercus wislizeni var. frutescens Christopher Davidson 1977-5-18 5631 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA701404  Rafinesquia californica Steve Boyd, Aydee Virgen 2004-4-13 10889 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SBBG67864  Rafinesquia neomexicana M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  SEINET6035485  Rafinesquia neomexicana Ivan Johnston 1917-4-4 Riverside Palm Canyon. Comment
  UCR233149A  Rafinesquia neomexicana Jim Andre, Glenn L. Clifton 2011-2-22 17463 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UC1260165  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside e Redondo Mesa; Santa Rosa Plateau, Rancho California 609 Comment
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Aug 19 2010
  UCSB2063  Ranunculus cymbalaria Haller, John 1950-5-21 Riverside San Jacinto Mtns., shore of Hemet Lake 1463 Comment
  UCR174535  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UCR207268  Ranunculus muricatus O. F. Clarke 2005-3-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR93826  Ratibida columnaris G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Murrieta, Warm Springs Creek, c. 1/2 mile south of Murrieta Hot SpringsFreshwater marsh with seep and stream flow; with Juncus rugulosus, Typha, Xanthium stru., Rorippa nast-aq., Echinochloa crusgalli, etc. 457 Comment
  RSA0119873  Rhamnus ilicifolia Duncan S. Bell, Thomas Stoughton 2016-4-12 9233 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA496734  Rhamnus ilicifolia B. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  POM19809  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1923-7-1 2189 Riverside Fern Valley. 1677 Comment
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Nov 18 2011
  CLARK-A1528-2685  Rhododendron occidentale John C. Roos 1941-8-2 79 Riverside San Jacinto Mountains Comment
  RSA787602  Rhododendron occidentale C. H. Tingley 1927-1 741 Riverside San Jacinto Mountains. Comment
  RSA802096  Rhododendron occidentale Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4983 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  POM15029  Rhododendron occidentale var. californicum Mary F. Spencer 1922-6-26 698 Riverside pr. [=near] Idyllwild. 1524 Comment
  OBI77006  Rhus aromatica Malcolm McLeod, David J. Keil 1977-3-26 12019 Riverside 9 mi east of jctn with I-15 along Calif 79 518 Comment
  UCR164570  Rhus aromatica S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR234755  Rhus aromatica A. C. Sanders, John F. Green 2012-6-25 40300 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  UCR77708  Rhus integrifolia Steve Boyd 1991-3-17 5472 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  POM86228  Rhus ovata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA6101  Rhus ovata C. B. Wolf 1932-5-24 3643 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  SD229049  Rhus ovata Dick Schwenkmeyer 2012-5-22 720 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC534836  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 mi e Pinyon Flat; Santa Rosa Mountains 1066 Comment
  RSA586155  Ribes amarum D. L. Banks, Steve D. Boyd 1995-3-30 120 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  RSA717670  Ribes californicum A. C. Sanders 2004-2-6 27379 Riverside Foothills at edge of Temescal Valley, ridge proposed for removal at development called Trilogy at Glen Ivy, south of Brown Canyon. 427 Comment
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Jun 27 2010
  POM229047  Ribes cereum P. A. Munz 1937-5-30 15142 Riverside Rocky Crest, Santa Rosa Peak 2439 Comment
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Dec 18 2011
  CAS-BOT-BC173136  Ribes indecorum A. J. McC. 1892-5-20 70 Riverside [Canon] Canyon of St. Rosa Mts., near Elsinore Comment
  RSA439667  Ribes indecorum J. S. Stubblefield 1939-3-23 s.n. Riverside Temecula. Comment
  SEINET272333 Image available Ribes indecorum A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  SEINET3095401 Image available Ribes indecorum B. Pitzer, Jack Easton 1987-3-10 405 Riverside Anza area, hills S of Thomas Mtn., ca 3 mi. (airline) E of town of Anza on N side of Hwy 371. (Butterfly Peak Quad) Comment
  UCR51365  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  RSA615113  Ribes indecorum A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 3754 [?] Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley. 595 Comment
  VVC471  Ribes malvaceum P. J. MacKay 1975-1 s.n. Riverside Transverse Mountain Range, "Few miles S. of Banning on Hwy. 243, 22.18 miles from county line"??? the liberty was taken to juxtapose a google location as 22 miles from N or S Co line places the location in Idyllwild and the label data clearly states chaparral and a few miles S of Banning; so.... 1534 Comment
  UC11632  Ribes nevadense H. M. Hall 1897-5-1 520 Riverside along w side San Jacinto Mountains 1524 Comment
  UC729897  Ribes roezlii Carl B. Wolf 1932-8-5 3969 Riverside above small stream and meadows feeding Tahquitz Creek (on trail from Tahquitz Valley to San Jacinto Peak); San Jacinto Mts. 2804 Comment
  CSUSB1657  Robinia pseudoacacia Schreiner 1973-7-23 Riverside Lucerne Valley 609 Comment
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Jun 8 2013
  SEINET3245813  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38413 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. (Alberhill 7.5') 399 Comment
  UCR89837  Romneya coulteri Scott D. White 1993-5-27 1433 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC92174  Romneya coulteri var. coulteri E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore. 350 Comment
  RSA710933  Rondeletia amoena A. C. Sanders, T. B. Salvato, O. F. Clarke 1999-9-10 23071 Riverside new O.F. Clarke residence at 266 Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  SD136237  Rorippa obtusa Dylan T. Hannon 1993-5-6 176 Riverside Norco, ca 3 miles west of Interstae 15, along north side of Santa Ana River bordering dairy fields Comment
  UCD115383  Rorippa sphaerocarpa A. C. Sanders; Mitch Provance 1999-9-26 23096 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area. 1323 Comment
  RSA160533  Rubus parviflorus John Olmsted 1958-6-15 168 Riverside Dark Canyon at intersection of N Fork San Jacinto R with Idyllwild Banning Road, San Jacinto Mtns. 1509 Comment
  RSA741112  Rumex acetosella Scott D. White, Justin M. Wood 2008-6-18 12236 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  SEINET156318  Rumex acetosella Norman C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  RSA507469  Rumex acetosella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  UCR262248  Rumex crispus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3735 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
  UCR178282  Rumex hymenosepalus T. B. Salvato, Tracy Tennant 1998-1 MOR- 800 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR113770  Rumex obtusifolius Mitch Provance, A. C. Sanders 2000-7-4 2093 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR135819  Rumex salicifolius A. C. Sanders, Guy Bruyea 2004-4-2 27432 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  RSA774117  Rumex salicifolius var. denticulatus Duncan S. Bell, Colleen Wheeler 2010-7-19 1628 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UCR90819  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17995 Riverside Coachella Valley, Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  CAS-BOT-BC445714  Sagittaria latifolia A. C. Sanders; Mitch Provance; T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, ca. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco. 191 Comment
  POM306692  Salazaria mexicana Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1690 Riverside Near Desert Center. Comment
  UCR75534  Salicornia subterminalis A. C. Sanders 1993-5-12 14006 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  CAS-BOT-BC129743  Salix bonplandiana H. L. Mason 1928-3-10 4171 Riverside Snow Creek, White Water River Valley, Colorado Desert Comment
  UCR97690  Salix exigua A. C. Sanders, G. Helmkamp 1997-3-15 19967 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA0030829  Salix exigua Norman C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 304 Comment
  SEINET10539067  Salix gooddingii David B. Dunn, A. Folsom 1948-6-17 Dunn 3792 Riverside At camp in pushawalla canyon under palms. Indio hills. Colorado desert. Comment
  CLARK-A1528-5201  Salix hindsiana var. leucodendroides John C. Roos, Lucille Roos 1952-3-1 5382 Riverside Moreno Comment
  RSA0038337  Salix hindsiana var. leucodendroides H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 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
  CAS-BOT-BC126316  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR45119  Salsola paulsenii L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  CDA40955  Salvia apiana T. C. Fuller 1964-4-14 11829 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  POM158455  Salvia apiana P. A. Munz 1927-5-21 10874 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  SDSU13634  Salvia apiana W. Miller, C. Mosse 1972-7-20 Riverside R.C. Weather station. Comment
  UCR252227  Salvia apiana Marissa Manahan 2011-5-13 s.n. Riverside Riverside, Andulka Park, Tequesquite Arroyo at Chicago Ave. 277 Comment
  RSA69373  Salvia carduacea G. R. Campbell 1951-5-30 16142 Riverside Just east of Cahuilla. 1098 Comment
  RSA401493A  Salvia columbariae Ora M. Clark 1929-3-2 1600 Riverside Near Alberhill Comment
  SFV4255B  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  SD58389  Salvia greatae Marjorie D. Clary 1938-4-17 2844 Riverside Bajada at base of Orocopia Mountains, north of the Salton Sea. 244 Comment
  UCR23566  Salvia greatae John C. Roos 1958-3-29 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek Wash, 3 miles north of Coachella Canal on [south] base of Orocopia Mtns. 305 Comment
  CLARK-A1528-587  Salvia mellifera Dorothy Detrich 1966-5-16 43 Riverside Gavilan Hills Comment
  RSA434155  Salvia mellifera Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA583737  Salvia mellifera Steve Boyd 1995-4-24 8494 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil s Hole, along Wildhorse Trail near the rounded gabbro peak known as Agua . 762 Comment
  SEINET272395  Salvia mellifera A. C. Sanders, G Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UCD166201  Salvia mellifera Jack Major 1962-4-16 766 -a Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  RSA434171  Salvia pachyphylla subsp. pachyphylla Albert J. Perkins 1915-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Peak. Comment
  RSA82389  Salvia vaseyi F. W. Peirson 1930-6-1 8930 Riverside Morongo Canyon, head of Coachella Valley. 610 Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA562479  Sambucus mexicana Steve Boyd, Timothy S. Ross 1992-5-5 7257 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
  UCR112798  Sambucus mexicana A. C. Sanders 1997-5-1 20618 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR139619  Sambucus mexicana A. C. Sanders 2004-6-30 28383 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR27181  Sanicula bipinnatifida A. C. Sanders, S. Hagopian 1981-5-20 2140 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA614423  Sanicula crassicaulis D. L. Banks 1997-3-29 1556 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD63339  Sarcodes sanguinea Walter Birtsch 1957-6-29 958 Riverside Santa Rosa Mountains, Desert Slope of Toro Peak 2660 Comment
  RSA650260  Schinus molle W. H. Grady 1948-5-18 s.n. Riverside Found in Riverside, growing in Fairmont Park. 259 Comment
  RSA751626  Schinus molle G. Gust, L. Nye 2005-3-11 538 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 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
  RSA0021563  Schismus barbatus Duncan S. Bell 2012-3-4 3134 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA776627  Schismus barbatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 941 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCD93275  Schismus barbatus Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Palm Springs. Comment
  UC574919  Schoenoplectus acutus var. occidentalis C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  UCR47885  Schoenoplectus acutus var. occidentalis S. J. Myers 1987-6-24 s.n. Riverside Peninsular Range, Murrieta Creek, at confluence with Temecula Creek, near the town of Murrieta 290 Comment
  CAS-BOT-BC111577  Schoenoplectus americanus Ivan Murray Johnston 1917-4-4 1037 Riverside Frequent in damp sand along creek, Palm Canyon 274 Comment
  UCR69790  Schoenoplectus californicus A. C. Sanders, Chet McGaugh 1991-7-19 11149 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA289835  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4084 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  UC574975  Scirpus maritimus C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  CAS-BOT-BC111016  Scirpus microcarpus L. F. Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canon, edge of stream. Comment
  UCSB25710  Scrophularia californica Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.7 miles southwest of junction with Highway 74, Little Thomas Mountain 1524 Comment
  UCR111550  Scrophularia californica subsp. floribunda Mitch Provance 1998-5-4 1713 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  CAS-BOT-BC341107  Scutellaria mexicana H. M. Hall 1905-4-1 5861 Riverside Colorado Desert. Near Canon [Canyon] Springs 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
  RSA85934  Selaginella bigelovii Frank W. Peirson 1920-2-15 1530 Riverside Murray Canyon near Palm Springs Comment
  RSA85942  Selaginella bigelovii Frank W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  UCR234816  Selaginella eremophila Jim Andre, Glenn L. Clifton 2011-2-22 17481 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  UC729894  Selaginella watsonii Carl B. Wolf 1932-8-5 3976 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  UC130481  Senecio aphanactis Charlotte M. Wilder 1909-3-28 894 Riverside Wilder's Canyon , Wilder's Canyon (Jurupa Hills) Comment
  CAS-BOT-BC323975  Senecio flaccidus var. douglasii H. M. Hall 1905-5-1 6247 Riverside Colorado Desert. Cottonwood Pass. 609 Comment
  CLARK-A1528-2086  Senecio mohavensis John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  SEINET6692556 Image available Senecio monoensis Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains. 1036 Comment
  UC63068  Senecio triangularis H. M. Hall July 1901 2535 Riverside streams of n side San Jacinto Mountains (Southern California); n side San Jacinto Mountains 2499 Comment
  JOTR34186  Senecio vulgaris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3235 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA314644  Senecio vulgaris R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55453 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA449948  Senecio vulgaris J. C. Roos 1967-2-7 s.n. Riverside City of Hemet. Comment
  UCR126000  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UCR122570  Sesbania herbacea George K. Helmkamp, E. A. Helmkamp 2000-8-29 5984 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  SEINET10594020  Setaria verticillata Salvato 2005-5-17 SALVATO 932 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74 (Blackburn Canyon 7.5' Q. Old clearing on sandy alluvial terrace, riparian forest and wash woodland. 549 Comment
  RSA561783  Silene antirrhina Steve Boyd 1992-4-14 6845 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR193298  Silene antirrhina A. C. Sanders, Tim Thomas 2008-6-20 35546 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  HSC86950  Silene gallica B. Pitzer, E. Misquez 1988-2-28 634 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  RSA701677  Silene laciniata subsp. major Steve Boyd, Valerie Soza 2004-6-22 11555 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR177941  Silene lemmonii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 532 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SD148189  Silene multinervia A. C. Sanders, Steven R. Hill 2001-5-4 24130 Riverside West of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Creek Dr.), east side of 487 Comment
  CAS-BOT-BC389585  Silene parishii Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  GMDRC2591  Simmondsia chinensis J. Andre, T. La Doux 2008-3-21 8834 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  RSA421790  Simmondsia chinensis Gale Sphon 1955-5-22 s.n. Riverside Dead Indian Canyon near Palm Springs Comment
  UC1563037  Simmondsia chinensis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 3002 Riverside Temecula Creek Canyon below Vail Lake Dam (Vail Lake area); , Temecula Creek Cyn 457 Comment
  UCR17694  Simmondsia chinensis B. A. Carlson 1978-4-8 s.n. Riverside Santa Rosa Mtns, 5 mi south of Palm Desert, east of Hwy 74. 488 Comment
  RSA735267  Sisymbrium altissimum Keith E. Hoffmaster 1937-6-6 798 Riverside Desert grade of Palms to Pines Highway. Comment
  SD125634  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside Riverside: Vacant lot on the north side of Spruce St. between Rustin and Canyon Crest Streets. Was an orange orchard with a house in it. 305 Comment
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Jul 11 2010
  RSA614135  Sisymbrium irio D. L. Banks 1997-2-23 1302 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
  UCR245227  Sisymbrium irio Jim Andre 2012-3-19 21311 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
  RSA0012654  Sisyrinchium bellum LeRoy Gross, Caitlin Elam 2013-5-14 6080 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 1332 Comment
  UCR159246  Solanum americanum A. C. Sanders, Kelly Volansky 2005-8-31 31576 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR160882  Solanum douglasii T. B. Salvato, Kelly Volansky 2003-3-27 117 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR41348 <