Search Results — 2000 specimen records retrieved (1880 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  UC64451  Abies concolor H. M. Hall 1901-7-1 2332 Riverside rocky ridges and peaks near Tauquitz; Southern California, San Jacinto Mountains 2438 Comment
  UCR67715  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 05 Riverside Santa Rosa Mtns, N of Toro Peak at Virgin Spring 2348 Comment
  UCD170131  Abronia villosa var. aurita Mark A. Elvin; Julie M. Vanderwier 2002-5-16 2052 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR127362  Abronia villosa var. aurita A. C. Sanders, D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR214550  Abronia villosa var. villosa A. C. Sanders 2010-3-15 37413 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
  CAS-BOT-BC203219  Abutilon Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea Comment
  CSUSB1008  Abutilon theophrasti Oscar F. Clarke 1967-6-9 Riverside O.F. Clarke residence, Spruce Street, in city of Riverside. Comment
  CLARK-A1528-457  Acacia greggii Charlotte Stocks 1964-8-15 Riverside San Jacinto Mountains 914 Comment
  UC596758  Acacia greggii Rensselaer J. Smith May 1904 310 Riverside Whitewater Comment
  OBI77000  Acamptopappus sphaerocephalus Patrick A. Holden 1969-4-23 782 Riverside Along old hwy 62, ca. 2 mi n of intersection with UAS 60-70 highway, 8 mi sw of Desert Hot Springs Comment
  RSA6009  Achillea millefolium Carl B. Wolf 1932-8-4 3926 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UCR193903  Achillea millefolium A. C. Sanders, Mitch Provance 2008-7-11 35779 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  CAS-BOT-BC210595  Achnatherum coronatum H. M. Hall 1901-6-1 2078 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1463 Comment
  SEINET7300421 Image available Achnatherum coronatum R. W. Pohl 1963-5-29 9429 Riverside S fork of San Jacinto River and N fork of San Jacinto River, Hy 74 Comment
  RSA774934  Achnatherum hymenoides Duncan S. Bell 2011-4-7 2178 Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  SEINET258472 Image available Achnatherum parishii subsp. parishii M. Curto, L Allen 1990-6-18 663 Riverside Santa Rosa Mtn NW slope Santa Rosa Mtn road (SBNF 7502) ca 5 km W of Santa Rosa Springs Campground 1830 Comment
  RSA651621  Achnatherum speciosum Tom Griggs 1968-5-4 s.n. Riverside Palms to Pines Hwy. Comment
  JOTR37710  Achyronychia cooperi Hodges, Stephen R. 2016-3-1 636 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA696573  Achyronychia cooperi Mary Edmunds 1932-3-25 s.n. Riverside Colo. Desert-Coachella Valley. Oasis near sea level. Comment
  RSA718876  Achyronychia cooperi Michael Honer, L. Hulse 2005-3-7 2029 Riverside Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA781740  Achyronychia cooperi Duncan S. Bell 2011-12-30 3032 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
  SD185215  Acmispon argophyllus T. B. Salvato, John F. Green 2004-5-27 632 Riverside Head of Banning Canyon close to the San Bernardino Co. line, 0.5 mile southeast of Oak Gklen Conservation Camp. 1402 Comment
  SD234950  Acmispon brachycarpus R. E. Jr. Riefner 2005-8-28 05 649 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  SDSU14012  Acmispon glaber var. brevialatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 14 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 335 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
  SBBG67414  Acmispon nevadensis var. nevadensis R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  SDSU4355  Acmispon strigosus D. F. Howe 1952-4-6 2178 Riverside 12 miles east of Box Canyon. Comment
  RSA615331  Acourtia microcephala Scott D. White 1997-5-25 5246 -A Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  HSC24974  Adenophyllum porophylloides Richard Spjut 1972-2-1 2167 Riverside Colorado Desert; N face of the Chuckawalla Mountains 305 Comment
  UCR135844  Adenostoma fasciculatum A. C. Sanders 2004-4-20 27533 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR242668  Adenostoma fasciculatum A. C. Sanders 2013-7-6 40843 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 Comment
  SEINET8722549 Image available Adenostoma fasciculatum Jean Coulson 1959-1 86 Riverside San Jacinto Mts. , Riverside County, California. 0.2 mi. E. of N. Fork of San Jacinto R. , on Highway 74. N. side of road. Comment
  CAS-BOT-BC139860  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA450099  Adenostoma sparsifolium J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  RSA453178  Adenostoma sparsifolium M. B. Dunkle 1934-3-11 4234 Riverside Ribbonwood Comment
  UCSB41534  Adenostoma sparsifolium Roos, John 1965-8-18 Riverside Thomas Valley, summit Palms to Pines Hwy., San Jacinto Mtns. Comment
  POM877  Adiantum capillus-veneris G. Ross Robertson s.n. Riverside Santa Ana Canyon 609 Comment
Read comments
Mar 12 2014
  SEINET3412074  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28521 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  SD262155  Agrostis Jim Andre 2012-6-15 30520 Riverside San Jacinto Mountains: San Bedrnardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat (Lake Fulmor 7.5'Q) 1309 Comment
  UCR165188  Agrostis exarata Margaret Bornyasz 2003-8-8 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near Azalea Creek, above Twin Pines Creek Drainage 1085 Comment
  UCR24979  Agrostis exarata A. C. Sanders 1980-7-22 1704 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  RSA644194  Agrostis pallens Scott D. White, Mike Wilcox 1995-6-11 3462 Riverside Santa Ana Mts; Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 731 Comment
  RSA129200  Agrostis stolonifera H. S. Yates 1936-8-29 6374 Riverside Idlewild [Idyllwild]. 1677 Comment
  UCR248029  Akebia quinata O. F. Clarke 2011-3-3 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  UCR162540  Albizia julibrissin Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  POM98787  Aliciella latifolia P. A. Munz 1926-1-31 9967 Riverside Dos Palmas Spring Comment
  UC421609  Allenrolfea occidentalis John Thomas Howell 1928-11-4 4081 Riverside 3 mi. n.w. of Mecca (on rd. to Indio); Coachella Valley Comment
  RSA462623  Allionia incarnata C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
Read comments
Oct 9 2010
  RSA701165  Allionia incarnata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11227 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA367021  Allium Ducelia Sobb 1937-04 s.n. Riverside Near Blythe. Comment
  UCR39548  Allium campanulatum A. C. Sanders 1980-7-19 1694 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove. Along a small stream on the NW slope of the forested large hill (6168) south of the reserve. 1707 Comment
  SEINET8467153 Image available Allium fimbriatum N. C. Cooper 1944-1 1237 Riverside Pinyon Flats, Palms to Pines Hwy, San Jacinto Mts 1219 Comment
  SEINET4174934 Image available Allium haematochiton J. C. Roos 1950-1 4714 Riverside Ca. 3-4 mi. N of Murrieta, Riverside Co., Calif. El. 1500 ft. Comment
  RSA747569  Allium munzii Michael Honer 2003-4-16 1829 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 400 m N of peak 2349 . 701 Comment
  UC1544764  Allium munzii Steve Boyd 1986-4-10 1641 Riverside De Palma Rd.1.0 mi e Indian Truck Trail exit of I-15; Temescal Canyon 371 Comment
  UC843342  Allium munzii C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4621 Riverside Gavilan Peak 600 Comment
  UCR22139  Allium munzii Steve Boyd 1980-5-17 289 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR42167  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills, E edge of plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  UCR251983  Allophyllum A. C. Sanders, T. B. Salvato 2014-7-2 41180 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA263730  Allophyllum glutinosum E. W. Lathrop 1968-5-22 6907 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA773119  Allophyllum violaceum Duncan S. Bell, Ryan Parker 2010-6-1 1230 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. 771 Comment
  UCR178831  Alnus rhombifolia Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 525 A Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon 1159 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
  UCR110393  Amaranthus albus A. C. Sanders, Mitch Provance 1999-9-26 23079 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR263225  Amaranthus blitoides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41467 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
  UCR281091  Amaranthus fimbriatus Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  SFV7070  Amaranthus palmeri T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 770 Riverside Blythe. Adjacent to small oxbow lake just north of Collis Mayflower County Park. 85 Comment
  CLARK-A1528-5235  Amaranthus retroflexus John C. Roos 1937-8-17 2406 Riverside San Jacinto Comment
  RSA500102  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3668 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
Read comments
Mar 7 2012
  SFV17215  Ambrosia acanthicarpa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UC750627  Ambrosia acanthicarpa Lewis S. Rose 1946-12-24 46308 Riverside 5 mi e Cabazon 441 Comment
  UCR77760  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  CAS-BOT-BC22577  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  CAS-BOT-BC22578  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  RSA727011  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA761081  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 148 Riverside W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk). 366 Comment
  UCSB7135  Ambrosia dumosa Hurd, Richard 1956-4-14 Riverside On road to Devils Garden, 3 mi. from Highway 99 Comment
  UC1523648  Ambrosia psilostachya Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61194 Riverside along Cole Canyon; Santa Rosa Plateau 533 Comment
  UCR141234  Ambrosia psilostachya A. C. Sanders, Mike Misenhelter 2004-10-6 28833 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  SD138940  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Adjacent to Nichols Road about 400 yards west of Highway I-15 Comment
  UCSB10223  Ambrosia salsola var. salsola Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  RSA802140  Amelanchier Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5009 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  RSA78298  Amorpha californica P. A. Munz, E. K. Balls 1952-8-21 17988 Riverside Road to Santa Rosa Mt. from Vandeventer Flats. Comment
  UCR91732  Amorpha californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18100 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UC708746  Amorpha californica var. californica H. K. Wagnon 1944-5-25 395 Riverside by stream near entrance to Tahquitz Canyon; Palm Springs Comment
  RSA388426  Amorpha fruticosa R. F. Thorne, S. D. Boyd, E. W. Lathrop 1985-7-18 61186 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
Read comments
Feb 24 2013
  UCR162546  Amsinckia John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  CSUSB987  Amsinckia intermedia Osman 1976-4-26 S-76 44 Riverside 4 miles west of freeway 395, along Van Buren Blvd., near March Air Force Base 274 Comment
  CSUSB988  Amsinckia intermedia Robert M. Hasegawa 1976-4-5 S. N. Riverside University of California, Riverside campus. 1/8 mile south of Perimeter Road. 274 Comment
  UCD119698  Amsinckia intermedia T. B. Salvato; Kent Beaman 2005-5-16 786 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. 549 Comment
  RSA0089937  Amsinckia menziesii var. menziesii Darin L. Banks, Victor W. Steinmann 1997-3-13 1467 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR155169  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  POM48542  Amsinckia tessellata F. M. Reed 1925-3-17 4947 Riverside Palm Springs. Comment
  JOTR30054  Amsonia tomentosa La Doux, Tasha, Jade Mohajerin 2006-10-12 1664 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  SEINET3088586 Image available Anagallis arvensis Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  RSA180491  Anagallis arvensis E. W. Lathrop 1960-4-15 4760 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  POM187412  Angelica tomentosa L. Crutcher 1933-8-2 10 Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  UC1930030  Anisocoma acaulis Scott D. White, Justin Wood 2008-5-15 11964 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. (Idyllwild) Comment
  JEPS16669  Antirrhinum coulterianum Rimo Bacigalupi with Gene Newcomb 1954-4-25 4396 Riverside 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  JOTR31068  Antirrhinum coulterianum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2050 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  JOTR32292  Antirrhinum coulterianum Harding, Mitzi, T. Herskovits 2011-5-12 14 Riverside Joshua Tree National Park. Little San Bernardino mountains; Southwest of Eureka Peak; Steep, gravelly slope above canyon 1398 Comment
  RSA395356  Antirrhinum coulterianum Steve D. Boyd 1986-4-22 1742 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  SD143717  Antirrhinum coulterianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  UCR22013  Antirrhinum coulterianum Steve Boyd 1980-5-21 294 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR98685  Antirrhinum coulterianum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  JOTR32148  Antirrhinum filipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2304 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA4885  Antirrhinum filipes Carl B. Wolf 1932-4-27 3001 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD262335  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617 9 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd (Alberhill 7.5'Q) 366 Comment
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR177645  Apiastrum angustifolium S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR48480  Apiastrum angustifolium Steve Boyd 1986-4-2 1585 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SD187326  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA0129423  Arabis perennans J. D. Olmsted 1962-5-3 3492 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  POM202933  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  SEINET6630818  Arceuthobium campylopodum I. W. Clokey, E. G. Anderson 1935-8-21 6574 Riverside Idlewilde- Banning 1650 Comment
  RSA629139  Arctostaphylos Jon E. Keeley 1992-7-16 16562 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UC1121515  Arctostaphylos R. St. John 1929-5-2 23 Riverside Toro Peak Indio Quadrangle, Santa Rosa Mountains 1676 Comment
  RSA629400  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19529 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629406  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19500 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA752546  Arctostaphylos glandulosa Justin M. Wood 2009-3-10 352 Riverside Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  CLARK-A1528-448  Arctostaphylos glandulosa subsp. glandulosa Shirley Hill 1963-3-31 630331-7 Riverside San Jacinto Mountains 1219 Comment
  POM367424  Arctostaphylos glandulosa subsp. glandulosa N. C. Cooper 1947-4-5 2103 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM254953  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 1098 Comment
  UC1120233  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-28 676 Riverside 3 1/2 mi s Rayneta; San Bernardino National Forest, Riverside Quadrangle Comment
  RSA631829  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16511 Riverside Red Mountain Road, 1 km east of R3. 820 Comment
  RSA701752  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 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
  RSA633770  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16674 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA635643  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16743 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  UCSB26243  Arctostaphylos pringlei subsp. drupacea Gliessman, Stephen 1968-7-17 Riverside 50 yards south of Little Thomas Mountain Road, 3.7 miles north of junction with Highway 74, Little Thomas Mountain 1584 Comment
  UCD50806  Arctostaphylos pringlei var. drupacea A. E. Wieslander 1929-2-1 44 Riverside Near Strawberry Valley. 1828 Comment
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635781  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16530 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  UCSB4764  Arctostaphylos pungens Kamb, Peter 1949-4-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC401603  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  SD236347  Argemone munita Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 100 Riverside San Gorgonio Pass: Morongo Indian Reservation; Road between Millard and Lion Canyon, below deep canyon. 619 Comment
  UCR3412  Argemone munita H. M. Whistler 1964-5-3 640503- 04 Riverside Jack Rabbit Trail, 2.2 mi from its junction with State Hwy 79 610 Comment
  CAS-BOT-BC202503  Argythamnia serrata S. B. Parish 1907-4-16 6131 Riverside Whitewater. Western border of the Colorado Desert 200 Comment
  CAS-BOT-BC137651  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA0018883  Aristida adscensionis Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6016 Riverside Chuckwalla Valley; approximately 17.5 air miles west of Blythe, on the south side of Interstate 10, about 0.4 air mile south of Wileys Well. 120 Comment
  SD224792  Aristida adscensionis G. K. Helmkamp 1998-4-4 3155 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd., to the vicinity of the pumping station. 305 Comment
  UC1930181  Aristida adscensionis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10504 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  RSA0130722  Aristida adscensionis G. Rink 2013-3-19 11887 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  SEINET14214762  Aristida purpurea J. C. Roos 1965-8-15 Riverside Gilman Hot Springs, San Jacinto Valley Comment
  UC576345  Aristida purpurea var. fendleriana H. S. Yates 1937-6-27 6722 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  CAS-BOT-BC137531  Aristida purpurea var. nealleyi Philip A. Munz 1946-10-20 11575 Riverside At edge of Wash, Palms to Pines Highway, 11.5 miles south of Palm Springs to Indio Road. 1036 Comment
  CAS-BOT-BC90101  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Box Springs Mtns. foothills, in the yard at 266 Frost Court, just east of UCR (Riverside EAst 7.5' Q.) 396 Comment
  HSC25255  Artemisia californica Richard Spjut 1972-2-18 2209 Riverside ca. 4 miles south of Beaumont on Hwy.60 Comment
  IRVC14696  Artemisia californica Victoria Sork 1973-4-5 sn Riverside Elsinore; 1.5 mi. N, 0.5 mi. W of intersection of Hwys 74 and 71. Comment
  IRVC473  Artemisia californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 51 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  LA9316  Artemisia californica Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  SD239568  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Peninsular Range; western Gavilan Hills: eastern edge of Corona, north end of radio tower ridge, 1.85 mi. NNE (25a^z) of El Cerrito, 1 mi. SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  UC2015543  Artemisia californica A. C. Sanders with P. MacKay, G. MacKay, A. Knapp and C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella VAlley, Mission Canyon, 1.75 mies above highway 62. Comment
  SEINET4972698  Artemisia dracunculus Unknown 1973-10-16 179 a Riverside Toro Peak, summit of Santa Rosa Mountains, near Palm Springs Comment
  SD48521  Artemisia ludoviciana subsp. albula E. K. Balls, P. C. Everett 1957-11-4 22747 Riverside Snow Creek, near old fish hatchery; north base San Jacinto Mountains. 700 Comment
  RSA90123  Artemisia ludoviciana subsp. incompta E. K. Balls, Percy C. Everett 1953-8-19 18542 Riverside About Mountain Home Spring, Santa Rosa Mountain 1921 Comment
  RSA356610  Artemisia ludoviciana subsp. ludoviciana R. F. Thorne 1966-10-15 41811 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA0065405  Artemisia tridentata Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Hwy. 1219 Comment
  UCR19688  Arundo donax John C. Roos 1966-9-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Indio 3 Comment
  UCR178846  Asclepias californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 393 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  RSA696498  Asclepias eriocarpa Keith E. Hoffmaster 1934-4-8 772 Riverside Santa Ana Mts. Comment
  UC479245  Asclepias erosa Marcus E. Jones, A. M. 1931-9-15 28744 Riverside Hayfields [Colorado Desert, toward Desert Center] Comment
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Jun 12 2012
  UC218669  Aspidotis californica Munz and Harwood 1920-2-28 3236 Riverside 2 mi se Corona 274 Comment
  UCR34893  Aster ascendens L. B. Ziegler 1966-10-11 099 Riverside San Jacinto Mtns, Hemet Valley, near Kenworthy Ranger Station 1375 Comment
  UCR207320  Aster subulatus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA737327  Aster subulatus var. ligulatus Justin M. Wood 2008-9-19 143 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM46821  Astragalus aridus Mary F. Spencer 1920-3-16 1499 Riverside 10 miles from Mecca. -52 Comment
  UCD84938  Astragalus aridus Chuck Hughes 2010-3-23 210 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  RSA715250  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore back basin on NE side of lake. 384 Comment
  UCR208881  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Peninsular Range, Dripping Spring, near Temecula River 457 Comment
  UCSC000909  Astragalus dispermus Peter Kamb 1948-4-11 892 Riverside Aqueduct Road 5 mi east of Garnet Garnet, Aqueduct Road - Coachella Valley 305 Comment
  CAS-BOT-BC178443  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CAS-BOT-BC178450  Astragalus douglasii var. parishii H. M. Hall 1899-5-21 1117 Riverside San Jacinto Mts. 1828 Comment
  UC56443  Astragalus douglasii var. parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside Valle Vista San Jacinto Valley, Valle Vista (S. Jacinto Valley) 548 Comment
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Mar 27 2011
  CLARK-A1528-2743  Astragalus gambelianus John C. Roos 1952-5-19 5689 Riverside Moreno 487 Comment
  CAS-BOT-BC186899  Astragalus insularis var. harwoodii Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center 274 Comment
  UCR25291  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  RSA627041  Astragalus lentiginosus var. coachellae Don Mitchell 1998-4-18 s.n. Riverside Coachella Valley. SW of Edom / 1000 Palms RR siding: along access road to Pacific Bell cellular phone antenna. Nar the point where 300 ft. contour line intersects section line between sects. 19 and 30. 91 Comment
  SEINET948513  Astragalus mohavensis Unknown 1920-1 165 Riverside Monsen Canyon, Eagle Mts. Comment
  RSA653121  Astragalus nuttallianus var. imperfectus B. Pitzer, Tracy Tennant 1998-2-21 3533 Riverside Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi. SE of the pumping station. 396 Comment
  CAS-BOT-BC192755  Astragalus palmeri Milo S. Baker 1928-4-4 2851 b Riverside Hiway a few mies South Palm Sps. Comment
  UC863144  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  UC574974  Astragalus pomonensis C. Epling and J. Ewan June, 1933 Riverside 5 mi above Corona (Temescal Canyon); , above Corona Comment
  UCR150014  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-16 10161 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR158332  Astragalus pomonensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30057 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC193174  Astragalus sabulonum Edmund C. Jaeger 1921-4-13 s.n. Riverside Martinez Canon [Canyon], Colorado Desert Comment
  RSA415845  Astragalus tricarinatus Ralph Hoffmann 1929-9-13 s.n. Riverside Colorado Desert, Riverside. Comment
  RSA779946  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil 2011-5-19 2476 Riverside A small side canyon off of Mission Creek canyon approximately 3.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road; just northwest of gaging station. 795 Comment
  UCSB3025  Astragalus tricarinatus Walker, Clifford 1954-4-10 Riverside East slope of Arroyo near head of White Water Canyon Comment
  SEINET10486810  Astragalus vaseyi L. Rose 1935-12-23 Rose 35700 Riverside San jacinto mts. 22 Mi s of cathedral city. Desert slopes. 914 Comment
  UCR126442  Athysanus pusillus T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 67 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  CAS-BOT-BC98816  Atrichoseris platyphylla Ynez Whilton Winblad 1937-2-16 s.n. Riverside Box Canyon Comment
  RSA0121008  Atrichoseris platyphylla Duncan S. Bell, LeRoy Gross 2016-3-8 8825 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  UC1546694  Atrichoseris platyphylla Barry A. Prigge 1988-2-21 7842 Riverside 2 miles west of, Orocopia Mountains Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR148298  Atrichoseris platyphylla John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR52232  Atrichoseris platyphylla Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2161 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCSB47088  Atrichoseris platyphylla Keller, Paul 1977-2-27 Riverside California 195, 1 mile S of Interstate 10 365 Comment
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Nov 30 2014
  UCR92079  Atriplex canescens Scott D. White 1995-8-23 3590 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  UCR266268  Atriplex coronata var. notatior D. E. Bramlet, Scott D. White, Kerry M. Byrne 2006-5-3 3979 Riverside Perris-Aguanga Basin, area west of Hemet, north of Santa Fe RR tracks and east of California Ave., S of Stetson Ave, between canal and Warren Rd. 456 Comment
  CAS-BOT-BC170252  Atriplex hymenelytra J. Beley 1974-2-21 73 -641 Riverside 1/2 mi. NE of tip of Coxcomb Mt. Comment
  LA204679  Atriplex hymenelytra Miss Halflaud; March 1925 6484 Riverside Palm Springs Comment
  RSA24225  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  UC1519870  Atriplex muelleri J. C. Roos 1965-10-17 Riverside on the roadside 20 mi w Blythe; w of Blythe Comment
  UC1279710  Atriplex polycarpa David B. Dunn, Shago Yamaguchi, H. Lint 1947-12-21 3572 Riverside Comment
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May 24 2012
  RSA737225  Atriplex prostrata Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA592424  Atriplex rosea J. C. Roos 1965-8-4 s.n. Riverside Arlington Comment
  RSA653333  Atriplex serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side fo Latham St., about 1/8 mile W of intersection with Keats Dr., 34 deg 00' 12.2'' N, 117 deg 21' 55.4'' W. 245 Comment
  UCD97796  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR121254  Atriplex serenana var. serenana D. E. Bramlet, D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  OBI32772  Avena barbata E. W. Lathrop 1959-4-26 4497 Riverside 14 W of Murrieta; Tenaja Plateau Comment
  UCR4220  Avena fatua K. S. Gill 1965-3-14 s.n. Riverside UC Riverside Campus, near parking lot 19 244 Comment
  SDSU13513  Azolla filiculoides W. Miller 1972-8-9 Riverside 75 m. north of road. Comment
  UCR143369  Baccharis brachyphylla C. B. Wolf, Percy C. Everett 1942-10-13 11437 Riverside Sonoran (Colorado) Desert, Morongo Pass, 0.3 mi below San Bernardino Co. line 671 Comment
  UCR121891  Baccharis pilularis Ian G. Gillespie 2001-5-7 81 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  CAS-BOT-BC106703  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA5606  Baccharis salicifolia C. B. Wolf 1932-10-11 4273 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  RSA774511  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4463 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SBBG101771  Baccharis salicifolia S. Boyd with T. Ross 1991-6-14 6400 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR139038  Baccharis salicifolia D. L. Banks, V. W. Steinmann 1997-3-13 1426 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCSB23643  Baccharis salicina McMinn, H. 1928-6-27 Riverside Anza to Palms to Pines Highway Comment
  CAS-BOT-BC99870  Baccharis sergiloides G. B. Grant 1906-5-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CLARK-A1528-1632  Baccharis sergiloides John C. Roos 1937-8-20 2500 Riverside San Jacinto Mountains Comment
  IRVC511  Baccharis sergiloides Pat McClellan 1965-5-9 none Riverside Palm Springs Sonoran Desert Comment
  JOTR34413  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  UC87133  Baccharis sergiloides S. B. and W. F. Parish 1880-1-1 2911 Riverside Whitewater Desert Comment
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Jan 14 2010
  CAS-BOT-BC295891  Bahiopsis parishii Lewis S. Rose 1935-12-23 35701 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 1066 Comment
  CAS-BOT-BC99956  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC99970  Baileya pauciradiata Carl B. Wolf 1932-4-28 3080 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  UCR275573  Bassia hyssopifolia T. B. Salvato 2005-6-13 605- 8 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
  UCR109559  Bebbia juncea R. D. Goeden, Don W. Ricker 1980-3-20 s.n. Riverside Western Colorado Desert, Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  UCR214324  Bebbia juncea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR25771  Bebbia juncea John C. Roos 1937-7-12 1508 Riverside Reche Canyon 549 Comment
  SEINET10892149  Bebbia juncea David B. Dunn 1947-9-21 Dunn 3509 Riverside Collected in Pushawalla Canyon. Dry wash near palms. Comment
  UCR277805  Bebbia juncea var. aspera A. C. Sanders, Jim Malusa 2017-1-14 42657 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR9411  Bellis perennis O. F. Clarke 1970-2-13 s.n. Riverside San Bernardino Valley, At the reservoir on East University Ave., Riverside 366 Comment
  CAS-BOT-BC154106  Beloperone californica N. Aitkenhead 1977-2-2 2105 Riverside S-O line S.W. of radio tower top of Chuckwalla Mnts Comment
  CLARK-A1528-5635  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  RSA7461  Berberis dictyota C. B. Wolf 1933-8-24 S.N. Riverside 1/2 mi. below summit of Bedford Motorwaym last slope of the Santa Ana Mts. 976 Comment
  CAS-BOT-BC75738  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain, just south of the east summit 701 Comment
  CLARK-A1528-7859  Berberis nevinii John C. Roos 1949-5-21 4321 Riverside Temecula Creek Comment
  CAS-BOT-BC505214  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basic Region; San Jacinto Valley: San Jacinto Wildlife Area, E of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR110430  Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 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
  RSA479265  Bernardia incana N. R. Zabriskie, W. M. Zabriskie 1972-4-9 509 Riverside Small canyon NW from HWY 74 at 81.72, Deep Canyon Watershed, Santa Rosa Mts. 1220 Comment
  OBI14422  Bernardia myricifolia Annie M. Alexander; Louise Kellogg, Louise Kellogg 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts 1036 Comment
  UC1929408  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  SEINET8466124 Image available Bloomeria crocea B. Fuchs 1968-5-15 12 Riverside Riverside County, California HWY 71, southwest of Lake Elsinore Comment
  SD255216  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley north of I-10. 106 Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
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Sep 24 2017
  UCR26230  Boerhavia triquetra John C. Roos 1946-11-29 3178 Riverside Sonoran (Colorado) Desert, S foot of Eagle Mtns [near Lost Palms Canyon?] Comment
  JOTR30290  Boerhavia wrightii La Doux, Tasha, Bill Truesdell 2006-10-3 1785 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  CAS-BOT-BC31024  Bolboschoenus maritimus Howard Walton Clark 1926-6-1 s.n. Riverside Indio. Comment
  UCR281567  Bolboschoenus maritimus subsp. paludosus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-30 517- 122 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  CLARK-A1528-4506  Bouteloua aristidoides John C. Roos 1943-12-19 2764 Riverside Mecca Hills Comment
  UCD56839  Bouteloua aristidoides Geoffrey Levin 1976-10-17 1177 Riverside About 11 miles east of Mecca. Box Canyon. Mecca Hills. Salton Sea Basin. 91 Comment
  SBBG14669  Bouteloua barbata E. R. Blakley 1961-9-12 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  SBBG19874  Bouteloua barbata M. A. Piehl 1963-9-18 63846 Riverside US Hwy 60, 2.7 mi W of Desert Center 312 Comment
  SEINET4560370  Bouteloua barbata Aaron C. Sedwick, Cody Leslie 2012-1 120 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~ 3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft 243 Comment
  RSA782005  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-18 120 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  CAS-BOT-BC224907  Bowlesia incana A. C. Sanders 2011-4-6 39019 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA525678  Bowlesia incana Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4547 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UC1930171  Brachypodium distachyon Scott D. White, Michael Honer 2003-6-3 9481 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA0104637  Brandegea bigelovii Duncan S. Bell, Evan Meyer 2014-10-28 7661 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  SBBG7427  Brandegea bigelovii H. and M. Dearing 1940-1-1 4060 Riverside Painted Cyn Comment
  SD227797  Brandegea bigelovii Scott D. White, Sandy Leatherman 1998-4-15 6287 Riverside La Quinta / Palm Desert area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes N of Miles ave. and W of Washington St. 29 Comment
  UC1022806  Brandegea bigelovii Philip A. Munz 1940-3-24 15695 Riverside 3 mi s of Cottonwood Springs (Eagle Mountains); Eagle Mountains 457 Comment
  UC354498  Brandegea bigelovii Edmund C. Jaeger 1925-12-19 Riverside Fish Traps near Mecca 3 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  RSA0009698  Brandegea bigelovii Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  RSA0009701  Brandegea bigelovii Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  RSA680345  Brassica tournefortii Scott D. White 2001-3-27 8177 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  SEINET4116784  Brassica tournefortii J. Gibson 2008-1 sn Riverside City of Palm Desert, weed in street landscaping, Sun City retirement community on Westridge Avenue, about 100 yards south of Grape Arbor Avenue. 34 Comment
  UCR113202  Brassica tournefortii A. C. Sanders 1998-3-11 21691 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  UCR239806  Brassica tournefortii O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR93041  Brassica tournefortii Scott D. White 1995-3-30 2647 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
  SEINET11195157  Brassica tournefortii D. Atwood 1993-3-26 17687 Riverside Along Hwy 74, 6 miles NE of San Juan Capistrano. Comment
  RSA0125868  Brassicaceae Duncan S. Bell, Joy D. England 2010-5-17 1004 B Riverside San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA93715  Brickellia arguta F. W. Peirson 1919-4-13 1214 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  JEPS18712  Brickellia atractyloides var. arguta W. L. Jepson 1914-5-18 6012 Riverside Pinon Well, Cottonwood Mts. Comment
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Jul 6 2010
  CLARK-A1528-1661  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Jackrabbit Trail 609 Comment
  SEINET10389830  Brickellia incana A. C. Sanders, Jim Malusa 2015-9-10 41848 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
  RSA745531  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  CAS-BOT-BC149328  Bromus arizonicus F. H. Billings 1931-4-1 s.n. Riverside Redlands. Comment
  UCR112147  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside Riverside, residential garden of O.F. Clarke at 1012 Spruce Street 305 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
  CAS-BOT-BC149439  Bromus berteroanus S. B. Parish 1907-4-18 6140 Riverside Western edge of the Colorado Desert. West Canon [Canyon], Palm Springs. 200 Comment
  UC50578  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  RSA78185  Bromus berteroanus J. C. Roos, L. Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon, south of Palm Spriings. 274 Comment
  SEINET14397418  Bromus carinatus S. D. White 1997-5-18 5154 Riverside Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road miles SE of Banning). 1500 Comment
  POM259162  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-14 15356 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA0014445  Bromus diandrus Justin M. Wood 2010-3-4 1418 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  SBBG47545  Bromus diandrus N. C. Cooper 1944-4-22 1116 Riverside Banning 701 Comment
  UCR180344  Bromus diandrus Scott D. White, Angelia Carey 2004-4-5 10027 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA655218  Bromus grandis Scott D. White 1999-6-6 7446 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR16073  Bromus hordeaceus S. L. Lackey 1973-5-15 s.n. Riverside Riverside, Box Springs Mountain, near lookout station 915 Comment
  UCR169397  Bromus hordeaceus T. B. Salvato, John F. Green 2004-5-27 607 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
  RSA564647  Bromus inermis A. C. Sanders 1980-7-22 1726 Riverside San Jacinto Mountains. Dutchman's Flat in Bear Trap Canyon about 1 mile (airline) west of Idyllwild. 1814 Comment
  HSC79575  Bromus madritensis subsp. rubens Paul Bailey 1972-5-14 120 Riverside 5 mi. NE of Temecula near Rancho Calif. Dr., Tucalota Hills 457 Comment
  JOTR37759  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-2-29 715 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UCR233070  Bromus rubens Edith B. Allen 2012-2-5 212- 02 Riverside Riverside, SW foot of the Box Springs Mtns. on east edge of town, Sycamore Canyon Park, just off Central Ave. near entrance 384 Comment
  RSA651757  Bromus rubens N. R. Zabriskie 1973-4-6 633 Riverside This opposite juncture of North Canyon, stream area, Andreas Canyon, east slope San Jacinto Mtns. 365 Comment
  CAS-BOT-BC185646  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  RSA772964  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4773 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR31933  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA405287  Caesalpinia virgata N. C. Cooper 1944-5-20 2621 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  RSA643332  Caesalpinia virgata R. D. Goeden, D. W. Ricker 1980-3-20 s.n. Riverside Colorado Desert: Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  RSA676052  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC864226  Caesalpinia virgata Lewis S. Rose 1938-12-24 38340 Riverside 10 mi. n. Indio (Los Angeles Aquaduct Rd.) 121 Comment
  CAS-BOT-BC438495  Calandrinia ciliata E. W. Lathrop 1959-4-1 4393 Riverside 18 miles S.W. of Elsinore. Tenaja Canyon. Comment
  UCR121784  Calandrinia ciliata A. C. Sanders, Carolyn Washburn 2001-4-17 24033 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR60549  Calandrinia ciliata var. menziesii R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UC813614  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  CAS-BOT-BC488539  Calochortus concolor E. A. McGregor 1941-6-13 34 Riverside Pines-to-Palms Highway, near Public Camp, San Jacinto Mountains Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  RSA430218  Calochortus splendens E. Misquez 1987-5-16 10 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
  RSA50295  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  UC1563116  Calochortus weedii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-11 3720 Riverside w end Vail Lake (sw of dam, Vail Lake area) 487 Comment
  UCR90296  Calochortus weedii var. weedii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3336 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
  CAS-BOT-BC282912  Calycoseris wrightii K. Larson 1977-5-12 60062 B Riverside Ford Dry Lake ca 25 miles W Blythe Comment
  RSA457756  Calycoseris wrightii Steve Boyd 1988-3-10 2120 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR256759  Calyptridium monandrum T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7889 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR35073  Calyptridium monandrum L. B. Ziegler 1969-5-27 365 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  SD248400  Calystegia macrostegia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41466 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mile NNW (335a^z) of One Horse Spring, wouth of I-10 and SE of water bottling plant, edge of wind farm (White Water 7.5'Q) 452 Comment
  CSUSB671  Calystegia macrostegia subsp. tenuifolia Bill Marks 1971-5-16 Riverside Growing on the side of the road in the Santa Ana Mountains behind Murrietta. Comment
  UCR207596  Calystegia sepium subsp. binghamiae O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  UCR273978  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 12 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  CAS-BOT-BC199282  Calystegia sepium subsp. limnophila S. B. Parish 1907-9-7 6435 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA652944  Calystegia sepium subsp. limnophila Mitch Provance, S. D. Boyd 1999-9-14 1780 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 238 Comment
  SEINET10805071  Camissonia Jennifer H. Jones, Thi (Teresa) Bui; Holly Summers 2006-5-31 Jones 342 Riverside Peninsular Ranges; San Jacinto Mtns.: Just down Mt. Edna Road W off of CA Hwy. 243 (Cabazon 7.5'Q). N facing slope, chaparral with Adenostoma fasciculatum, Eriodictyon crassifolium, Erio gonum fasciculatum and Lotus scoparius. Sandy soil. 1146 Comment
  RSA0120626  Camissonia arenaria Duncan S. Bell, Thomas Stoughton 2016-3-16 8937 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 428 Comment
  RSA4387  Camissonia bistorta Dorothy R. Wolf 1932-3-20 35 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UCR16568  Camissonia bistorta C. M. Bringle, H. Johnston 1967-4-22 670422- 01 Riverside Peninsular Range, Temescal Canyon, 2.2 mi. south of Santa Fe (Railroad) overpass on Highway 71, and 50 ft. south of Glen Eden (nudist colony) mail box 457 Comment
  UCR3352  Camissonia bistorta T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 2 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on SE road fork 793 Comment
  RSA387327  Camissonia boothii subsp. condensata Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 642 -1 Riverside Colorado Desert. West of Chiriaco Summit. Comment
  RSA776944  Camissonia brevipes Amber Swanson 2011-3-19 237 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA443546  Camissonia brevipes subsp. brevipes J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA444553  Camissonia brevipes subsp. brevipes Walter Wisura 1988-3-1 4197 Riverside Colorado Desert. 4.7 miles from Interstate 10 along Box Canyon Road toward Mecca, in gravelly bajada. Comment
  RSA466017  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3253 Riverside Palm Springs. 457 Comment
  RSA263683  Camissonia californica E. W. Lathrop 1975-8-15 7468 Riverside 5 miles W of Murrieta, Los Gatos Road, on south slope of Mesa de Colorado. Comment
  RSA501040  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3161 Riverside Agua Tibia Mountains. Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR93819  Camissonia californica P. J. MacKay 1996-6-15 002 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  CLARK-A1703-1257  Camissonia cardiophylla Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  CHSC8447  Camissonia chamaenerioides Edward Laidlaw Smith 1958-3-21 377 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  UCR166017  Camissonia claviformis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR20765  Camissonia claviformis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1330 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
  UCR50879  Camissonia claviformis A. C. Sanders 1988-5-11 7800 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  POM259740  Camissonia claviformis subsp. aurantiaca E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  UCR115337  Camissonia hirtella A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16247 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR214545  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37845 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR258752  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7912 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
  POM157885  Camissonia intermedia P. A. Munz 1927-5-20 10797 Riverside Mud flat, Murrieta Hot Springs. Comment
  UCR20823  Camissonia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1415 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET242054  Camissonia pallida A. C. Sanders 2001-3-20 23854 Riverside Western Colorado Desert: Coachella Vly, Garnet, N side of 19th Ave, 0.5 mi (air) NW of intersxn of I-10 and Indian Ave. 235 Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  UCR126263  Camissonia pallida Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  JOTR32959  Camissonia pallida subsp. hallii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM14635  Camissonia pallida subsp. pallida P. A. Munz, D. Keck 1922-4-14 4976 Riverside East of White Water Ranch. 244 Comment
  UCR226925  Camissonia pallida subsp. pallida Jim Andre 2011-2-2 16205 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR216226  Camissonia refracta Jim Andre, T. La Doux 2009-2-28 10839 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  UCR249509  Camissonia refracta T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7281 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UCR92181  Camissonia strigulosa D. L. Banks, Steve Boyd 1995-5-3 0196 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SBBG53746  Camissoniopsis bistorta S. Boyd 1980-4-27 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  SDSU3329  Camissoniopsis bistorta H. Wedberg 1958-3-31 200 Riverside About 7.5 miles east of Hemet on road to Mountain Center. 561 Comment
  UCSB42115  Camissoniopsis bistorta Roos, John 1966-4-5 Riverside Winchester Comment
  UCD103463  Camissoniopsis hirtella T. B. Salvato; Kent Beaman 2005-5-16 779 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. 549 Comment
  UC20490  Camissoniopsis ignota Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  UCR165697  Camissoniopsis pallida subsp. pallida A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16289 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCSB4467  Camissoniopsis pallida subsp. pallida Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone, Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  SEINET1869530  Campanulaceae H. M. Hall 1905-1 5819 Riverside Eastern base of Indio Mt., Colorado Desert. 150 Comment
  CLARK-A1528-349  Capsella bursa-pastoris C. M. Flanagan 1973-5-20 OO 514 Riverside Morongo Indian Reservation 1158 Comment
  UCR102856  Capsella bursa-pastoris A. C. Sanders 1997-4-3 20157 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA650983  Capsella bursa-pastoris Robert Arias 1953-1-18 s.n. Riverside Clum Ranch Ave. 54 Thermal. Comment
  UCR99563  Cardamine B. G. Pitzer 1996-12-8 2935 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, UCR campus, lawn in front of Riverside Campus Federal Credit Union, on Canyon Crest Dr. 335 Comment
  SEINET10954770  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4663 Riverside Vail Lake Area, Arroyo Seco drainage, canyon bottom at north base of Wild Horse Peak, southeast of Dripping Springs Campground of Cleveland National Forest. T8S, R1W, N 1/2, Sec 26. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Comment
  RSA572422  Carex globosa Christopher Davidson 1977-5-18 5621 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  POM49093  Carex heteroneura Phillip A. Munz, I. M. Johnston 1924-7-27 8770 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  UCR205299  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside San Jacinto Mountains, junction of Dark Canyon and Fuller Mill Creek 1585 Comment
  CAS-BOT-BC119865  Carex nebrascensis Peter H. Raven 1959-5-18 14239 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  POM1486  Carex praegracilis Phillip A. Munz 1918-4-27 2132 Riverside Elsinore Comment
  RSA680524  Carex praegracilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8649 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA682366  Carex sartwelliana Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1700 Riverside Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UCR4013  Carex senta Val Chase 1965-4-30 105 Riverside San Jacinto Mountains, San Bernardino National Forest. 15 yards downstream from the dam & spillway of Lake Fulmor. 1524 Comment
  SEINET3074273 Image available Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. 0.5 miles SW of the pumping station. 410 Comment
  UC406687  Castela emoryi Marcus E. Jones, A. M. 1929-9-16 24994 Riverside Hayfields , Hayfields (near Desert Center) Comment
  RSA524595  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3910 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SDSU10537  Castilleja affinis D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  SEINET10582737  Castilleja affinis Rimo Bacigalupi 1952-4-1 Bacigalupi 3595 Riverside At edge of chaparral, southeastner end of Pauba Valley, along State Highway No. 71, 12 miles west of Aguanga. 427 Comment
  JEPS8584  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3551 Riverside 2.6 mi n Murrieta (e of Calif Hwy 71, between Wildomar and Murrieta) 396 Comment
  UCR39547  Castilleja applegatei A. C. Sanders 1980-7-18 1664 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  POM305710  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1029 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA448691  Castilleja applegatei subsp. martinii Lon E. Bell 1940-05 s.n. Riverside San Jacitno Comment
Read comments
Feb 15 2013
  UCR162951  Castilleja densiflora Fred M. Roberts, R. E. Riefner Jr. 2005-3-31 6138 Riverside Upper Salt Creek, W of Hemet, 200m east of Calif. Rd and 300m south of Stetson Rd, 1.8km WSW Ryan Field 456 Comment
  UCR152522  Castilleja exserta A. C. Sanders 2005-4-22 29616 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR173151  Castilleja exserta Abby Sirulnik 2000-4-25 17 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  HSC20889  Castilleja exserta subsp. exserta R. A. Eagle 1964-3-28 Riverside 5 mi. out of Riverside on the Van Buren St. Comment
  JEPS10328  Castilleja exserta subsp. exserta W. L. Jepson 1901-5-19 1294 Riverside Strawberry Valley Mt. San Jacinto Comment
  RSA0010935  Castilleja exserta subsp. exserta J. Wear 1998-7-8 s.n. Riverside San Jacinto Mtns: Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain. 1372 Comment
  POM280739  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA221000  Castilleja foliolosa E. W. Lathrop 1966-3-30 6128 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA33474  Castilleja foliolosa N. C. Cooper 1944-5-7 1182 Riverside Banning. 701 Comment
  RSA552740  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6672 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  SD233360  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mts: Old Control Road, above Halfway Spring. (Blackburn Canyon) 1159 Comment
  UCR213887  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mountains, Old Control Road, above Halfway Spring 1463 Comment
  RSA0030795  Castilleja miniata Mary F. Spencer 1922-6-26 1977 Riverside Idyllwild, San Jacinto Mountains. 1220 Comment
  RSA0103096  Castilleja minor subsp. spiralis Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8544 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SEINET3365543  Casuarina equisetifolia G. Rink 2011-10-11 11080 Riverside Next to agricultural fields east of the McCoy Mountains, northwest of Blythe, used as a windbreak for lemon grove 160 Comment
  UCR67345  Caulanthus amplexicaulis var. amplexicaulis S. J. Myers 1991-4-15 91- 01 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  CAS-BOT-BC41139  Caulanthus heterophyllus D. E. Bramlet 1991-5-14 2150 Riverside Perris-Aguanga basin region. North Domenigoni Hills, ca. 0.5 mile southeast of end of Warren Road. 655 Comment
  SD152903  Caulanthus heterophyllus Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6700 Riverside Santa AnaMountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA0123347  Caulanthus lasiophyllus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9008 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
  UC1594220  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3099 Riverside 1 mi W of Vail Lake 609 Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  SD129397  Ceanothus crassifolius 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 or San Diego County Line). 366 Comment
  SD90222  Ceanothus crassifolius Robert F. Thorne, E. Lathrop 1969-6-6 39332 Riverside Santa Rosa Plateau; Rancho California, openings & margins of chaparral 609 Comment
  UC1071025  Ceanothus crassifolius A. Lewis 1934-3-4 310 Riverside Tin Mine Canyon Corona quad, Cleveland Nat. For. 670 Comment
  LA42002  Ceanothus cuneatus W. E. Pequegnat; 1939-4-8 50 Riverside Mira Loma Comment
  RSA399033  Ceanothus cuneatus Ora M. Clark 1929-4-6 1955 Riverside South of Hemet. Comment
  RSA575061  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -F 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
  SD129398  Ceanothus cuneatus Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, 1/2 mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR160056  Ceanothus cuneatus var. cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA0019576  Ceanothus cuneatus var. cuneatus Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  RSA263736  Ceanothus integerrimus var. puberulus E. W. Lathrop 1968-5-22 6919 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UC18306  Ceanothus leucodermis H. M. Hall 1901-6-1 2223 Riverside Ontatt's Valley San Jacinto Mts. 1676 Comment
  UCR30793  Ceanothus leucodermis A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3865 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  UCSB7071  Ceanothus leucodermis Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd 111 609 Comment
  RSA569984  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7918 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA570228  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7897 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  SBBG105057  Ceanothus ophiochilus S. Boyd with K. Boyd 1993-3-28 7909 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd 792 Comment
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Jul 12 2012
  UC1178628  Ceanothus palmeri Peter Kamb 1948-7-4 1158 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UC1071378  Ceanothus spinosus A. Lewis May 1934 408 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UC1071423  Ceanothus tomentosus A. Lewis 1933-2-1 145 Riverside St. John's Grade San Jacinto Quad. Comment
  POM12992  Ceanothus tomentosus subsp. olivaceus P. A. Munz, I. M. Johnston 1922-5-19 5311 Riverside Santa Ana River Canyon. 457 Comment
  RSA158466  Ceanothus tomentosus var. olivaceus P. A. Munz 1927-5-20 10826 Riverside 10 miles south of Hemet Comment
  CLARK-A1656-865  Cenchrus echinatus Jon Mark Stewart 1983-10-24 Riverside Palm Desert Comment
  CAS-BOT-BC334493  Cenchrus setaceus Lynn Sweet; Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns: UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 0.25 mile from end of road 335 Comment
  CAS-BOT-BC277182  Centaurea X pouzinii R. M. Howie No date on label s.n. Riverside Fuller Rancho, Corona Comment
  UCR193853  Centaurea solstitialis John F. Green 2008-7-9 s.n. Riverside Peninsular Range, Menifee Valley, Briggs Rd. south of Scott Rd. and north of Woodbine Lane 447 Comment
  RSA697665  Centaurium exaltatum J. R. Bruff 1934-4-19 540 Riverside Pinon belt-Palms & Pines Hiwy Comment
  UC566918  Centaurium venustum H. L. Mason 1926-4-30 3126 Riverside Pala Grade Temescal Canyon Comment
  RSA650569  Centaurium venustum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 250 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
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Dec 15 2011
  RSA767270  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR266284  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3863 Riverside Perris-Aguanga Basin Region, Temecula, corner of Jefferson Ave. and Cherry St. 319 Comment
  SD237331  Centromadia pungens subsp. pungens Jeremiah George 2011-8-9 Riverside Peninsular Range; Perris-Aguanga Basin Region: Moreno Valley, NW corner of Indian St. and Nandina Ave. 449 Comment
  RSA784845  Cerastium glomeratum J. D. Olmsted 1959-6-23 567 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  UC596757  Cercidium floridum subsp. floridum R. J. S. Feb. 1904 305 Riverside Coachella Desert Comment
  CAS-BOT-BC135451  Cercocarpus betuloides var. betuloides Lathrop; Thorne 1967-9-26 6608 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  RSA708057  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
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Feb 1 2008
  UCR120661  Chaenactis artemisiifolia D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1808 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR167469  Chaenactis carphoclinia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  JOTR37716  Chaenactis carphoclinia var. carphoclinia Hodges, Stephen R., L. Ashfield 2016-1-20 647 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  UC90145  Chaenactis carphoclinia var. carphoclinia C. R. Orcutt 1889-4-1 Riverside Colorado Desert Comment
  CAS-BOT-BC276916  Chaenactis fremontii Ivan Johnston 1917-4-4 1064 Riverside Mouth of Andreas Canyon 228 Comment
  CAS-BOT-BC276919  Chaenactis fremontii S. B. Parish; W. F. Parish 1882-4-1 343 Riverside Borders of the Colorado Desert, Whitewater Comment
  JEPS23578  Chaenactis fremontii P. H. Raven 1958-3-16 11861 A Riverside Smoketree Wash; Joshua Tree National Monument Comment
  POM6061  Chaenactis fremontii I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon, near Palm Springs. 229 Comment
  UC665833  Chaenactis fremontii Ira L. Wiggins 1941-3-27 9700 Riverside slopes 4 mi n of Whitewater Comment
  UCR84636  Chaenactis fremontii Scott D. White, S. Ogg 1994-4-21 1990 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC277405  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA387364  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA507171  Chaenactis glabriuscula var. glabriuscula Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mts, N of Castile Canyon Dr. at Poppet flat, off Hwy 243. Comment
  RSA772854  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4828 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
  UCR18007  Chaenactis parishii A. C. Sanders 1976-3-18 084 Riverside San Jacinto Mtns., S end of Vandeventer Flat, above Coyote Creek [on or near BLM land, probably near Garnet Queen Creek confluence with Coyote Cr.] 1463 Comment
  RSA779020  Chaenactis stevioides Duncan S. Bell 2010-4-1 652 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
  POM2807  Chamaesyce albomarginata Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, sandy foothills near Lake Elsinore. Comment
  UCSB8661  Chamaesyce albomarginata Haller, Norman 1953-5-24 Riverside Pinyon Flats, San Jacinto Mts., Hwy. 74 1219 Comment
  RSA763977  Chamaesyce micromera Justin M. Wood, Dustin M. Ray 2010-10-21 3006 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SBBG4020  Chamaesyce micromera H. and M. Dearing 1936-12-25 946 Riverside Thousand Palms Cyn Comment
  UC1537002  Chamaesyce polycarpa Gordon H. True Jr. 1935-2-20 6 Riverside Box Springs Sycamore Canyon Comment
  POM98788  Chamaesyce polycarpa P. A. Munz 1926-1-31 9966 Riverside Dos Palmas Spring Comment
  CAS-BOT-BC66311  Cheilanthes clevelandii Steve Boyd; C. Boyd; B. Roy 1896-2-2 1201 Riverside Highway 79: At Riverside-San Diego County Line Comment
  HSC990  Cheilanthes covillei W. R. Supernaugh, Jr. 1964-12-21 17 Riverside Joshua Tree Nat'l Mon. 1 mi. S of Jumbo Rocks Campground at old ground observation post 1372 Comment
  SEINET804427  Cheilanthes covillei Carl B. Wolf 1932-1 4277 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash at Riverside County line. 731 Comment
  UCD137406  Cheilanthes covillei Ed LaRue 1989-8-31 s.n. Riverside Tule Valley, E and slightly N of town of Aguanga; ca. 1 mi. S of boundary of Cahuilla Indian Reservation. 1158 Comment
  JOTR32916  Cheilanthes parryi La Doux, Tasha, Jim Andre 2009-2-28 356 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  POM885  Cheilanthes parryi Anonymous 1904-1 s.n. Riverside Chino Canyon, Palm Springs Comment
  RSA189430  Cheilanthes parryi L. S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash Desert 182 Comment
  UC366532 Image available Cheilanthes viscida J. G. Lemmon 1824-1 Riverside White Water River; Colorado Desert Comment
  RSA720652  Chenopodium album John Green 2005-5-4 s.n. Riverside SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 534 Comment
  RSA523478  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3938 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  SEINET238516  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  UCR116602  Chenopodium murale A. C. Sanders 2001-4-8 23984 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  POM13252  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside Banning. Base of McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  UCD121647  Chilopsis linearis subsp. arcuata Richard Bates 1949-4-26 s.n. Riverside Between Cathedral City and Palm Springs. Comment
  RSA0078224  Chloris virgata Sarah J. De Groot, Amy Rouillard 2015-9-15 7562 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  POM313180  Chloris virgata Malcolm A. Nobs, S. Galen Smith 1948-9-3 490 Riverside Palm Springs. Comment
  CAS-BOT-BC191703  Chorizanthe brevicornu var. brevicornu K. L. Chambers 1973-3-19 3619 Riverside Cottonwood Pass Road, at S border of Joshua Tree Natl. Mon. 1.0 miles N of junction with Highway 60. Comment
  JOTR33985  Chorizanthe corrugata La Doux, Tasha, M. Harding 2010-4-7 2873 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0107468  Chorizanthe corrugata Duncan S. Bell, Amanda Turek 2009-3-29 156 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA561865  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-6-10 7625 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01), and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA784658  Chorizanthe fimbriata Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 65 Riverside South main divide road splitting. Comment
  CAS-BOT-BC191347  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just S of Interstate 15 Comment
  UC534896  Chorizanthe leptotheca Susan G. Stokes 1934-7-1 311 Riverside road to Idyllwild (San Jacinto Mountain); San Jacinto Mountain 1219 Comment
  CAS-BOT-BC252788  Chorizanthe parryi var. parryi A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-26 32614 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott. Road and north of Clinton Keith Road 579 Comment
  CAS-BOT-BC523923  Chorizanthe parryi var. parryi D. E. Bramlet 1991-4-30 2090 Riverside Peninsular Range: Shipley Reserve, Crown Valley at NW foot of Black Mtn., transect C-3 731 Comment
  UCR19724  Chorizanthe parryi var. parryi J. R. Holliday 1969-5-5 40 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
  RSA615123  Chorizanthe polygonoides var. longispina A. C. Sanders, G. K. Helmkamp 1997-3-15 19928 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills. 537 Comment
  UCR123226  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-15 2328 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 274 m north of Cajalco Road, 1.2 km west of the entrance gate and 213 m south of the access road 439 Comment
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  UCR189811  Chorizanthe polygonoides var. longispina Diane Menuz 2006-5-23 101 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  UCR217496  Chorizanthe polygonoides var. longispina Lee A. Ripma, Jeff B. Galvin 2008-5-21 100 Riverside Palomar Mtns, Agua Tibia, west of Woodchuck Rd., east of Pechanga Indian Reservation 792 Comment
  JOTR35338  Chorizanthe rigida Harding, Mitzi, Mark Wheeler 2012-2-28 104 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  RSA392736  Chorizanthe rigida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA392741  Chorizanthe rigida N. C. Cooper 1949-4-8 3248 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA65245  Chorizanthe rigida F. W. Peirson 1927-4-12 7174 Riverside Painted canyon, near Mecca. Comment
  RSA263673  Chorizanthe staticoides E. W. Lathrop 1968-6-2 6955 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA586721  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-17 0444 A Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  UCR199924  Chorizanthe staticoides Scott D. White, Justin Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  JOTR30969  Chorizanthe watsonii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1943 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  LA206564  Chorizanthe xanti L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  RSA482020  Chrysothamnus nauseosus subsp. bernardinus Richard Noyes, L. Arnseth 1988-9-10 732 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  POM316422  Chrysothamnus paniculatus R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55386 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles north of Whitewater Post Office 595 Comment
  POM352020  Chrysothamnus paniculatus E. Crow 1928-11-12 88 Riverside Morongo Pass, Colorado Desert Comment
  UCR133967  Chrysothamnus paniculatus Mitch Provance, J. S. Ross 1998-3-27 MOR- 952 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  CAS-BOT-BC160588  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  UC1184364  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11482 Riverside 11.3 mi w Shavers Summit Comment
  UC1184378  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11750 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UC1979881  Chylismia claviformis subsp. aurantiaca Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-27 1078 Riverside Colorado Desert; Northeastern Clorado Desert region: Shavers Well area of Mecca Hills. Comment
  CAS-BOT-BC162785  Chylismia claviformis subsp. claviformis John Thomas Howell 1928-3-11 3420 Riverside Morongo Canyon, N. Colorado Desert 609 Comment
  RSA0059653  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  UC1930022  Cirsium scariosum Scott D. White, Justin Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  RSA0070883  Cirsium scariosum R. F. Thorne, E. Lathrop 1969-6-6 39335 Riverside Santa Rosa Plateau: Rancho California. 609 Comment
  CAS-BOT-BC438859  Cistanthe monandra Javier Penalosa 1963-4-10 2775 Riverside Deep Canyon, 3 mi. south of Palm Desert. 213 Comment
  RSA522728  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3833 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
  RSA680837  Cistanthe monandra Scott D. White, Michael Honer 2003-4-30 9145 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  CAS-BOT-BC164338  Clarkia dudleyana A. C. Sanders 1994-5-29 14568 Riverside San Bernardino Mountains: Millard Canyon, at stream crossing just below site of Millard Station on FS Road 2S05 1100 Comment
  UCR174267  Clarkia epilobioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32662 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
  RSA448298  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-5-25 5643 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA674597  Clarkia purpurea subsp. quadrivulnera Scott D. White 2000-8-5 8103 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  CAS-BOT-BC163865  Clarkia purpurea subsp. quadrivulnera Edmund C. Jaeger 1921-6-14 s.n. Riverside [MacMullen] McMullen Trail, San Jacinto Mts. 1280 Comment
  POM49158  Claytonia parviflora subsp. tenuifolia P. A. Munz 1924-5-18 8145 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  SD217352  Claytonia parviflora subsp. viridis Steve Boyd, Tim Ross, et al 1990-4-2 4036 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UC218122  Claytonia parviflora subsp. viridis P. A. Munz 1922-6-30 5910 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  UCR16938  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  UC63842  Clematis pauciflora Miss Maggie M. Todd Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  POM180019  Cleome isomeris M. French Gilman 1931-3-15 5 Riverside Cabazon. Comment
  CAS-BOT-BC214182  Clinopodium chandleri H. D. Ripley; R. C. Barneby 1940-1-19 2752 Riverside Saxman Grade, Elsinore Mts. 1100 Comment
  UC597598  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside n Vandeventer Flat; Santa Rosa Mtns 1676 Comment
  UCR42324  Collinsia concolor N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 168 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA0030789  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UC50322  Collinsia heterophylla H. M. Hall Apr 1903 3825 Riverside vicinity of Riverside 335 Comment
  RSA343114  Collinsia heterophylla var. heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  RSA0047077  Colubrina californica Amber Swanson, Linda Jean Foster 2011-10-8 644 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  UCR125205  Convolvulus arvensis Mitch Provance 1998-5-27 544 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  UCR102819  Conyza bonariensis A. C. Sanders 1997-3-19 20062 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR211725  Conyza bonariensis Fred M. Roberts, Ileene Anderson 2005-5-20 6207 Riverside Perris Basin, San Jacinto Valley, field 0.5 km west of Sanderson Road, 3.2 km southwest of Gilman Hot Springs 446 Comment
  POM12917  Corallorhiza maculata Philip A. Munz 1922-6-23 5786 Riverside Keen Camp, San Jacinto Mountains 1585 Comment
  POM305808  Coreopsis californica Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1051 Riverside Corona-Elsinore. Comment
  RSA387392  Coreopsis californica Steve Boyd 1986-4-10 1641 b Riverside Temescal Canyon: along DePalma Raod between Indian Truck Trail and Horsethief Canyon. Comment
  RSA0039599  Coreopsis californica var. californica Deidre Conocchioli, Duncan S. Bell 2014-3-4 143 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  SD229081  Corethrogyne filaginifolia Dick Schwenkmeyer 2012-8-7 795 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  SEINET232364  Coryphantha vivipara Leila Shultz, John S. Shultz 1985-4-17 8310 Riverside Southern extension of the Big Mari[o, d?] Mountians. Comment
  SDSU12244  Cotula australis Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 4 Riverside Comment
  RSA618003  Crassula aquatica R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR108849  Crassula connata Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR213620  Crassula connata A. C. Sanders, Matthew Malle 2010-4-23 37990 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA654969  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 23637 Riverside Perris-Anuanga Basin Region: French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., ca. 0.5 km NE of Adobe Spring E. 409 Comment
  CAS-BOT-BC334202  Crinodendron patagua O. F. Clarke 2007-6-3 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  CAS-BOT-BC181567  Crossosoma bigelovii Roxana S. Ferris 1953-3-10 12600 Riverside Whitewater Canyon, about 2 miles north of Whitewater Post Office Comment
  CLARK-A1656-825  Crossosoma bigelovii Jon Mark Stewart 1983-2-4 Riverside Palm Desert 330 Comment
  UC536862  Crossosoma bigelovii M. C. Jones 1934-2-18 Riverside Whitewater Canyon Colorado Desert Comment
  RSA788557  Croton californicus Duncan S. Bell 2012-3-8 3147 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SEINET3089965 Image available Croton californicus H. S. Gentry 1954-1 14246 Riverside NW of Aguanga along road to Sage. Comment
  CDA34537  Croton californicus Mike Lahti 2009-9-1 PDR# 1501825 Riverside 0 Comment
  POM255562  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  CLARK-A1528-2689  Croton californicus var. tenuis John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  SD181766  Crypsis schoenoides Scott D. White 2001-6-29 8632 A Riverside Menifee Valley, about 1.4 airmiles SW of the I-215/Newport Rd Interchange, NW of the intersection of Holland Rd & Bradley Rd; Romoland [quad]. Mostly waste area (soil stockpiles, flood control basin). At bottom of retention basin. 438 Comment
  UCR119447  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23100 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR231767  Cryptantha John F. Green 2008-4-23 09- 03 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
  UCR243508  Cryptantha Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CHSC143  Cryptantha angustifolia R. Baker 1935-4-15 Riverside Thermal. Comment
  RSA0029325  Cryptantha angustifolia Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4688 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
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  SD39166  Cryptantha angustifolia Edith A. Purer 1935-4-21 6457 Riverside Near Palm Springs Comment
  UCR234809  Cryptantha angustifolia Jim Andre, Glenn L. Clifton 2011-2-22 17468 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  SEINET10455849  Cryptantha angustifolia David B. Dunn 1946-2-22 Dunn 1959 Riverside Collected in mud flats dry, caked and split. All American Canal catch basin from desert washes. Oracopia Mts. NE of the Saltan Sea. Very arid country. Comment
  RSA339314  Cryptantha barbigera R. F. Thorne, R. K. Benjamin, C. W. Tilforth, L. M. Shultz, J. Hogge 1980-4-16 54048 Riverside SAN BERNARDINO MTS. : Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA79591  Cryptantha barbigera F. W. Peirson 1919-4-13 1026 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  UC1063930  Cryptantha barbigera H. S. Yates 1937-3-23 6446 Riverside 15 mi nne Medda; Thermal Quad. 457 Comment
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Apr 6 2011
  UCR130120  Cryptantha barbigera Scott D. White 2001-4-3 8273 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR75053  Cryptantha barbigera A. C. Sanders, E. J. Lawlor 1992-4-4 12109 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR35152  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3264 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA781913  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 896 B 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
  UCR137679  Cryptantha barbigera var. fergusoniae A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16133 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR157719  Cryptantha barbigera var. fergusoniae John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  POM368352  Cryptantha circumscissa M. B. Dunkle 1933-5-6 3402 Riverside Colorado Desert. Dry Morongo Creek Comment
  CHSC90589  Cryptantha decipiens Troy Griffiths 1988-4-1 106 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 60 Comment
  SBBG31927  Cryptantha decipiens K. W. Brown 1966-3-10 Riverside Hwy 111, 8.4 mi NW of Palm Springs 304 Comment
  SEINET1909885  Cryptantha dumetorum A. S. Sanders, K. C. Rose 1995-1 16384 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert: Coachella Valley; S of Mission Creek and W of Hwy 62 (Desert Hot Springs 7.5' Q.) 518 Comment
  POM3898  Cryptantha intermedia H. M. Hall 1902-4-22 2944 Riverside Vicinity of Riverside. 366 Comment
  RSA18948  Cryptantha intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9665 Riverside Foot of grade, State Highway #74, along San Jacinto River.[cismontane foothills -SDW 2006] Comment
  UC857162  Cryptantha intermedia Mary F. Spencer 1922-4-23 2087 Riverside Banning Millard Canyon 716 Comment
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Mar 13 2011
  UCD119837  Cryptantha intermedia A. A. Beetle 1940-1 s.n. Riverside near Sage. Comment
  UCD119854  Cryptantha intermedia Gordon Pilone 1961-3-1 95 Riverside White Water Canyon, one-half mile below fish hatchery in San Bernardino Mountain Range. 457 Comment
  UCR111995  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2000-5-25 23431 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR132664  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR241692  Cryptantha intermedia T. B. Salvato 2013-3-22 7400 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR42444  Cryptantha intermedia D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  SDSU21023  Cryptantha juniperensis A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range: Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. (Lake Mathews 7.5' +/- 100m). Sandy californicus, Bromus diandrus. 314 Comment
  SEINET2042094 Image available Cryptantha maritima A. C. Sanders 2001-4-8 23987 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  UCR245655  Cryptantha maritima Duncan S. Bell 2010-4-1 673 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  GMDRC2051  Cryptantha micrantha var. lepida J. Andre 2006-4-26 6769 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 1116.44661164471 deg. 43681' W. Elev. 44661 ft. 1325 Comment
  POM13197  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1922-5-20 5475 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  POM318740  Cryptantha micrantha var. lepida Patricia Wilder 1968-7-5 4319 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  UCR116858  Cryptantha micromeres A. C. Sanders, Steven R. Hill 2001-5-4 24129 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
  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
  UCR158326  Cryptantha muricata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30051 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
  RSA499703  Cryptantha muricata var. jonesii Christopher Davidson, Robert Gustafson 1977-4-7 5578 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  UCR167799  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR75086  Cryptantha nevadensis A. C. Sanders, E. J. Lawlor 1992-4-4 12144 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC1178519  Cryptantha simulans Peter Kamb 1948-7-4 1178 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  CAS-BOT-BC224550  Cuscuta californica A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road 503 Comment
  SD260939  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 812 03 Riverside Colorado Desert: Thousand Palms Canyon Road, A+- 2/3 of the way up into the canyon. 139 Comment
  UCR151122  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Peninsular Ranges/Santa Ana Mtns region, Corona, near Bedford Canyon; ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same 366 Comment
  JEPS66873  Cylindropuntia bigelovii W. L. Jepson 1914-5-18 6033 Riverside n Indio; Colorado Desert, County Well 152 Comment
  SEINET5624439 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-4-9 17531 Riverside 1km north of Chiriaco Summit, 48km east of Indio, Hayfield 7.5' USGS topographic quadrangle 555 Comment
  RSA0083637  Cylindropuntia ganderi Lyman Benson 1962-2-17 16141 Riverside 4 miles northeast of Aguanga. 915 Comment
  SEINET716811  Cylindropuntia ramosissima R. Puente, G. and A. Puente-Reinhardt 1998-11-7 741 Riverside 1.5mi e of Chirico Summit Comment
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Jan 7 2016
  RSA658861  Cymopterus panamintensis var. acutifolius J. C. Roos 1947-2-15 3243 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  UCR211701  Cyperus difformis Fred M. Roberts, Michelle Balk 2006-8-24 6402 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  SEINET269477  Cyperus eragrostis Scott D. White, Steve Ogg 1994-10-17 2490 Riverside City of Temecula Murrieta Ck channel directly W of Cherry St. USGS 71/2' Murrieta Quad. 315 Comment
  UCR272473  Cyperus laevigatus Mitch Provance 2012-8-1 712- 03 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  RSA588665  Cyperus odoratus Darin L. Banks, Steve Boyd 1995-10-17 820 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns to the E., Just W of the Metasedimentary hills. 524 Comment
  UCR109738  Cyperus odoratus T. W. Fisher 1963-9-20 s.n. Riverside Riverside, Santa Ana River 213 Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  JEPS35182  Cystopteris fragilis Carl V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt. 2651 Comment
  CSUSB1208  Dalea mollis Sally Bell 1964-3-26 Riverside Off Dillon Road about 3 miles northeast of the town of Indio, about 500 yards off of road in a dry wash. -6 Comment
  RSA0043045  Dalea mollis Duncan S. Bell, Loraine Washburn 2014-4-8 6579 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  RSA480030  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2155 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR139724  Dalea mollissima B. G. Pitzer 1989-4-15 1289 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Ridgeline Road, c. 0.5 km west of Gasline Road, 5.5 km (airline) SE of Tabaseca Tank 680 Comment
  RSA586338  Datisca glomerata D. L. Banks, S. D. Boyd 1995-5-3 0203 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
  RSA192102  Datura wrightii E. W. Lathrop 1960-6-15 5015 Riverside 10 mi. W. of Murrieta. Comment
  UCR35272  Datura wrightii L. B. Ziegler 1964-9-2 27 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  RSA736293  Daucus pusillus Scott D. White, Justin Wood 2008-5-27 12032 Riverside I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  UCR34984  Daucus pusillus L. B. Ziegler 1968-5-7 286 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  JEPS12649  Deinandra kelloggii W. L. Jepson May 17 1901-Jun 1 1901 1237 Riverside hills near San Jacinto Lake Comment
  UCD131079  Deinandra kelloggii L. LaPre 1988-6-3 s.n. Riverside Indian Trails project site, Indian Truck Trail exit on west side of I-15 freeway in Temescal Canyon. Around 1/4 mile from the freeway near the dirt road. Comment
  UCR238219  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UCD96240  Delphinium parishii H. Lewis; C. Epling 1941-5-4 s.n. Riverside 5 miles S. of White Tank on the road to Pinto Basin, Joshua Tree Nat. Mon. Comment
  UCR16750  Delphinium parishii B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  UCR104941  Delphinium parryi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20696 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR213465  Delphinium parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38360 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA784520  Delphinium parryi subsp. parryi J. D. Olmsted 1962-6-23 5238 Riverside Just south of meadow gate along road from conservation-detention school east of Oak Glen into Banning Water Canyon. 1341 Comment
  UCR107818  Delphinium parryi subsp. parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA395350  Dendromecon rigida subsp. rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA433239  Dendromecon rigida subsp. rigida N. C. Cooper 1945-5-5 2260 Riverside San Gorgonio Mountains above Banning. 1067 Comment
  RSA593912  Deschampsia danthonioides Steve Boyd, Dave Bramlet 1996-4-19 8599 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
  SD232142  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto mountains, Garner Valley, near abandoned duck ponds, South of Quinn Flat. Comment
  UCR201675  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA356706  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop 1975-5-20 45505 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  JEPS53424  Descurainia californica W. L. Jepson 1928-4-25 12572 Riverside n of Shavers Well (Cottonwood Springs); Colorado Desert, Cottonwood Springs 731 Comment
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Jan 6 2009
  UC10810  Descurainia obtusa subsp. adenophora H. M. Hall 1901-6 2623 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  SBBG28426  Descurainia pinnata D. Myrick 1964-4-30 835 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
  UC519842  Descurainia pinnata subsp. glabra N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  RSA317  Dicentra chrysantha J. T. Howell 1928-7-7 1034 Riverside Near Glen Ivy. 457 Comment
  RSA367463  Dichelostemma capitatum subsp. capitatum F. A. Thackery 1927-3-30 289 Riverside Banning Comment
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Mar 13 2011
  RSA586152  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Steve Boyd 1995-3-30 114 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. 713 Comment
  CAS-BOT-BC292178  Dicoria canescens J. Von Loh 1977-10-30 2601 Riverside Margin of Ford Dry Lake Comment
  SBBG8045  Dicoria canescens H. and M. Dearing 1940-11-10 5014 Riverside near Whitewater Comment
  CAS-BOT-BC292246  Dieteria asteroides var. asteroides Ted Hutchinson 1953-10-20 18703 Riverside Along U.S. Hwy 60/70 near Desert Center Comment
  UC60770  Digitaria sanguinalis E. L. Koethen 1897-8-12 5 Riverside Riverside Comment
  CAS-BOT-BC150873  Diplacus puniceus C. F. Baker 1904-4-4 4152 Riverside Elsinore Comment
  SD245482  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Moutains: Along Ortega Highway (74). Comment
  UCR121096  Distichlis spicata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24966 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  JOTR32476  Ditaxis lanceolata Herskovits, Tasya 2011-5-25 12 Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large, sandy, open southeast flowing wash and Cottonwood Canyon (Stop 1) Comment
  RSA721896  Ditaxis lanceolata J. Mark Porter, Orlando Mistretta 2003-6-5 13607 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  UCR119343  Ditaxis lanceolata B. G. Pitzer 2000-5-7 4136 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  CAS-BOT-BC43643  Dithyrea californica Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea. Comment
  CAS-BOT-BC43649  Dithyrea californica N. Aitkenhead 1977-2-3 2212 Riverside North of Mule Mountains to south edge of sand dunes. 121 Comment
  RSA162746  Dithyrea californica John Olmsted 1958-3-29 79 Riverside Transtion zone with interior drainage into Pinto BAsin 10miles N of jct between Cottonwood Pass and Cottonwood Spring Roads on the former which has now becom Pinto Basin Road, Joshua Tree National Monument. 549 Comment
  UC856055  Dithyrea californica Ira L. Wiggins 1937-3-9 8765 Riverside n of Indio Comment
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Dec 16 2011
  UC22360  Dodecatheon alpinum H. M. Hall July, 1901 2348 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2499 Comment
  SD136778  Dodecatheon clevelandii subsp. clevelandii Steve Boyd, Orlando Mistretta 1992-4-22 7020 Riverside San Mateo Wilderness Area. Indian Potrero south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  POM12950  Downingia cuspidata I. M. Johnston 1922-5-19 5380 Riverside Menifee Valley. 412 Comment
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Oct 6 2009
  UC856110  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  UC1606622  Drymocallis glandulosa Steve Boyd and Tim Ross 1992-5-5 7249 Riverside grassland area s Oak Flats (sw of Bluewater Trail, San Mateo Canyon Wilderness Area); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  RSA621448  Dryopteris arguta Darin L. Banks 1997-11-15 2190 Riverside North face of Dorland Mountain, east of the Dorland Mountain Arts Colony 537 Comment
  CAS-BOT-BC411413  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  RSA487429  Dudleya lanceolata Steve Myers 1998-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi. W of N end of Mesa de Burro, W of town of Murrieta Comment
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Dec 5 2014
  UCR217647  Dudleya multicaulis Karyn L. Drennen, John Dvorak, Rose Cook 2010-4-29 06 Riverside Perris-Aguanga Basin, South of the west end of Lake Matthews, 2.13 km south of Cajalco/ La Sierra Ave intersection, 7 m north of dirt road, just west of where road crosses a convergence of drainages. 405 Comment
  CAS-BOT-BC109604  Dudleya saxosa subsp. aloides Reid Moran 1941-5-3 834 Riverside Whitewater, near Banning. 300 Comment
  UCR14557  Dyssodia porophylloides A. C. Sanders 1974-5-12 0100 Riverside Santa Rosa Mtns., San Bernardino National Forest, Cactus Spring Trail between Pinyon Flats and Horsethief Creek 1159 Comment
  CAS-BOT-BC59760  Echinocereus engelmannii var. engelmannii L. R. Abrams 1926-3-26 11210 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0125230  Echinocereus engelmannii var. engelmannii Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground. 503 Comment
  RSA0125253  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4488 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  UC1131542  Echinochloa crus-galli H. S. Yates 1937-6-27 6707 Riverside near Relief Hot Springs; San Jacinto Quad. Comment
  UCR2345  Echinochloa crus-galli F. M. Reed 1903-11-30 223 Riverside Riverside: Blaine Street, Ramona Ranch. 290 Comment
  LA102326  Echinodorus berteroi J. C. Roos; 1937-6-7 2236 Riverside SAN JACINTO MOUNTAINS, vernal lake at foot of Jackrabbit Trail. Comment
  UC1922815  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  SBBG119998  Eleocharis macrostachya A. C. Sanders, K. Volansky 2005-3-17 29234 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UC1930097  Eleocharis macrostachya Scott D. White, Justin Wood 2008-6-5 12087 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  UC839371  Eleocharis macrostachya I. W. Clokey, E. G. Anderson 1935-1 6565 Riverside Hemet Lake 1320 Comment
  UCR220334  Eleocharis macrostachya D. E. Bramlet 1992-4-29 2251 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  RSA289806  Eleocharis montevidensis B. A. Prigge 1980-8-12 3939 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  SEINET3928897  Eleusine tristachya J. T. Columbus, S. Boyd 2003-8-16 4464 Riverside Valle Vista (just E of Hemet), along Fairview Ave. 0.9 rd. mi. S of jct. with Stetson Ave, E. side of road.; 0 600 Comment
  SEINET3929485  Elymus condensatus R. L. Piemeisel 1914-2-17 3812 Riverside Mt. Rubidoux.; 0 Comment
  SBBG59329  Elymus elymoides R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  CAS-BOT-BC206525  Elymus glaucus subsp. glaucus Steve Boyd; Tim Ross 1992-5-4 7203 Riverside Sourthern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 731 Comment
  CLARK-A1528-4607  Elymus triticoides John C. Roos 1951-10-24 5344 Riverside Riverside 259 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
  UCR154453  Emmenanthe penduliflora A. C. Sanders, Mike Misenhelter 2005-6-15 30964 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
  UCR216026  Emmenanthe penduliflora Oleg Pryadko 2008-5-2 084 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
  UCR279563  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43167 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash just above confluence with Salt Creek 338 Comment
  UCR4140  Emmenanthe penduliflora Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  JOTR30211  Emmenanthe penduliflora var. penduliflora Leary, Pat 1974-3-17 334 Riverside In wash area 0.5 mi West of junction of U.S. 60 and CA State Hwy 195 near southern end of Joshua Tree National Monument; T6S R11E sec 14. NOT IN JOSHUA TREE NATIONAL PARK. 472 Comment
  UCR23768  Encelia actoni John C. Roos 1942-6-20 992 Riverside San Jacinto Valley, E of Hemet Comment
  RSA85478  Encelia californica J. C. Roos 1952-4-16 5557 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  UCR520  Encelia californica Eugene Cardiff 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  JEPS34116  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado desert 170 Comment
  OBI16596  Encelia farinosa H. E. McMinn 1937-3-6 5017 Riverside About 40 mi N of Blythe; River rd Comment
  RSA0070273  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot 2015-2-18 17 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the slope to the east of Mission Creek; 0.5 miles north-northwest of the Stone House. 805 Comment
  RSA0105079  Encelia farinosa Daphne K. Christopher, Hannah Stevens 2003-4-6 102 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  UCD81589  Encelia farinosa Chuck Hughes 2009-3-27 72 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  UCR120933  Encelia farinosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24933 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR148454  Encelia farinosa 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
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  POM41502  Encelia farinosa var. farinosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA131518  Encelia farinosa var. farinosa Ronald Basmajian 1956-3-26 29 Riverside Highway to Palm Springs from Yucca Valley. 1 mile south of Riverside-San Bernardino county line on right hand side of road. 762 Comment
  RSA525271  Encelia farinosa var. farinosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4585 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SEINET7845949 Image available Encelia frutescens H. M. Hall 5859 Riverside Colorado Desert, near Canon Springs Comment
  RSA336056  Ephedra aspera Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52061 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  LA31385  Ephedra californica Jane Turner; 1959-3-29 C 181 Riverside Morongo Wash Comment
  OBI7492  Ephedra californica H. E. McMinn 1937-3-5 4474 Riverside 5 I E of Banning Comment
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Feb 14 2013
  POM214536  Ephedra californica Joseph A. Ewan 1932-4-8 7047 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  RSA761130  Ephedra californica Thomas Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-3-31 118 Riverside PCT Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111. 740 Comment
  UC667372  Ephedra californica Annie M. Alexander and Louise Kellogg 1941-5-15 2183 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains (in rock outcrop) 914 Comment
  JOTR35160  Ephedra viridis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3269 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  SDSU12967  Epilobium Michael G. Simpson 1999-10-27 2045 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  RSA621897  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3639 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA6132  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas canyon. 701 Comment
  SEINET13710791  Epipactis gigantea A. Alexis, A. Alexis 1978-1 Riverside Along State Highway 74 Near Sitton Peak Comment
  UCR124147  Epipactis gigantea Steven R. Hill 2001-4-29 33526 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  RSA740620  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA33551  Equisetum hyemale var. affine Norman C. Cooper 1177 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  SBBG89536  Equisetum telmateia subsp. braunii J. Adams 1966-4-28 744 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  JOTR30296  Eragrostis cilianensis La Doux, Tasha, Jim Andre 2007-9-6 130 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UCR158283  Eragrostis cilianensis Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  UCR113925  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA0015411  Eremalche exilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0042158  Eremalche rotundifolia Duncan S. Bell, Evan Meyer 2014-4-2 6503 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR241714  Eremalche rotundifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 42 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  SBBG28432  Eremocarya lepida D. Myrick 1964-4-30 825 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  JOTR34317  Eremothera boothii subsp. condensata Andre, Jim 2012-4-11 20815 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA0105507  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1923-08 s.n. Riverside Tahquitz ridge near Tahquitz peak. San Jacinto Mountains 2439 Comment
  JEPS69026  Eriastrum diffusum subsp. coachellae E. E. Schellenger April 1920 Riverside Coachella Colorado Desert. Comment
  RSA0119716  Eriastrum diffusum subsp. coachellae P. A. Munz 1930-5-1 11921 Riverside Morongo Valley. Comment
  JEPS69032  Eriastrum eremicum subsp. eremicum W. L. Jepson 1920-5-1 8915 Riverside Palm Springs of San Jacinto Comment
  JOTR32480  Eriastrum eremicum subsp. eremicum Herskovits, Tasya 2011-5-25 16 Riverside Joshua Tree National Park. Cottonwood Mountains; Large, sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA0122946  Eriastrum eremicum subsp. eremicum Scott D. White, Justin M. Wood 2009-4-28 12616 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA0120072  Eriastrum eremicum subsp. eremicum P. A. Munz, R. D. Harwood 1920-4-4 3526 Riverside Pass south of Palm Springs. 152 Comment
  RSA0120085  Eriastrum eremicum subsp. eremicum Robert Gustafson 1982-5-19 2570 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  UC23880  Eriastrum sapphirinum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR6423  Eriastrum sapphirinum Lloyd Clark 1967-6-14 s.n. Riverside 0.5 mi north of corner of Wood Rd. and Eschscholtzia St.., Woodcrest Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  CDA23784  Ericameria brachylepis Mike Lahti 2008-10-21 PDR# 1509234 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  RSA674530  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside North of Alvin Meadow near USFS Road 5S10 (Red Hill Rd) (Lk Fulmor/Blackburn Cyn. 1616 Comment
  CAS-BOT-BC287643  Ericameria linearifolia J. E. Cole 1942-5-10 956 Riverside Joshua Tree National Monument 1341 Comment
  CAS-BOT-BC299121  Ericameria nauseosa var. mohavensis R. F. Hoover 1952-11-1 8274 Riverside Along summit ridge, Caliente Mt 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
  RSA614100  Ericameria palmeri var. pachylepis A. C. Sanders, Tracy Tennant 1997-11-14 21605 Riverside San Bernardino Mtns: Morongo Indian Reservation, Hathaway Canyon drainage. 884 Comment
  HSC47477  Ericameria paniculata Richard Spjut 1978-11-21 5234 Riverside Colorado Desert; N of North Palm Springs along Indian Ave. Comment
  CAS-BOT-BC131642  Ericameria parishii var. parishii Edmund C. Jaeger 1923-7-12 1004 Riverside East slope San Jacinto Mts. 2133 Comment
  RSA544321  Ericameria pinifolia Steve Boyd 1991-9-8 6429 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  RSA552731  Ericameria pinifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 a Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  SBBG54332  Erigeron divergens C. Davidson 1978-6-15 7379 Riverside rd from Hwy 74 to Santa Rosa Mtn, ca. 2 mi W of jct to Santa Rosa Springs Cmpgrd 2087 Comment
  RSA761281  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 714 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET192956  Erigeron foliosus Lester Rowntree 1936-5-16 Riverside Pines to Palms Highway. Comment
  UCSB37926  Erigeron foliosus Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
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May 21 2011
  CAS-BOT-BC296235  Erigeron foliosus var. foliosus P. C. Everett 1935-6-17 7158 Riverside Coldwater Canyon trail to Santiago Pk. 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  SBBG133408  Erigeron foliosus var. foliosus S. D. White 2004-4-26 10243 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Crk Watershed 518 Comment
  CAS-BOT-BC189074  Eriodictyon crassifolium Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canon [Canyon] Comment
  LA205604  Eriodictyon crassifolium Tom O'Donnell; 1953-5-23 sn Riverside San Jacinto Mountains, Cranston Ranger station Comment
  RSA396459  Eriodictyon crassifolium Dave Kelly, Walter Wisura 1987-6-19 s.n. Riverside 11.2 miles from Hwy 74 along Thomas Mtn Road S of Lake Hemet, San Jacinto Range. Comment
  SDSU6018  Eriodictyon crassifolium Wende E. Rehlaender 1983-5-28 Riverside Santa Rosa Mountains. Along Highway 74 near turnoff for Ribbonwood Dr. about 19 miles along road from Palm Desert; about 3 miles. NW of Santa Mountain. Common, with Salvia, Adenostoma fasciculatum, A. sparsifolium, Eriogonum fasciculatum. Comment
  SEINET4344743  Eriodictyon crassifolium K. Seydel 1987-5-23 26 Riverside San Jacinto Mountains; off Highway 74, 5.1 miles up the mountain past Bee Canyon Road 914 Comment
  RSA455109  Eriodictyon trichocalyx var. lanatum Christopher Davidson 1978-6-15 7385 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  RSA770680  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4757 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  CAS-BOT-BC248633  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt 2499 Comment
  RSA0093769  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8686 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA239199  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2860 Riverside Along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74, and 1.2 mile south of Alandale Ranger Station Comment
  RSA766438  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 1264 Riverside Tahquitz Peak, San Jacinto Mts. 1829 Comment
  SDSU5921  Eriogonum apiculatum F. Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  SEINET5328306  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  POM146196  Eriogonum baileyi var. baileyi F. M. Reed 1927-10-22 5513 Riverside Big Morongo Valley, south of Mojave Desert [Riverside or San Bernardino County] Comment
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Jun 30 2012
  GMDRC3111  Eriogonum davidsonii J. Andre, T. La Doux 2008-9-13 10278 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Canyon on E. side of paved Hwy.. Elev. 3252 ft. 991 Comment
  UCR102433  Eriogonum davidsonii G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  CLARK-A1528-738  Eriogonum fasciculatum C. M. Flanagan 1973-5-31 OO 629 Riverside Morongo Indian Reservation 0 Comment
  SEINET3086511 Image available Eriogonum fasciculatum J. Harry Lehr 1975-10-12 1697 Riverside Rt. I-10, 2 mile E of Ramsey Street, Banning. 152 Comment
  UCR139640  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2004-6-30 28392 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
  RSA516763  Eriogonum fasciculatum var. foliolosum Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UC1032054  Eriogonum fasciculatum var. foliolosum A. Lewis May 1934 435 Riverside Los Pinos Peak Cleveland National Forest, Elsinore Quadrangle, Los Pinos Pe Comment
  CAS-BOT-BC250140  Eriogonum fasciculatum var. polifolium Munz; Street 1919-5-7 2745 Riverside Palm Springs 198 Comment
  JOTR31139  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  LA26727  Eriogonum fasciculatum var. polifolium H. Lewis; 1941-8-1 sn Riverside San Jacinto Mountains, Herkey Creek Camp Ground, near Keen Camp Comment
  UC412782  Eriogonum fasciculatum var. polifolium R. L. Pendleton 1905-9-28 256 Riverside Riverside Comment
  CLARK-A1528-740  Eriogonum gracile C. M. Flanagan 1973-5-31 OO 653 Riverside Morongo Indian Reservation 0 Comment
  UCR275482  Eriogonum gracile T. B. Salvato, Melissa Clemons 2005-6-9 1511 Riverside Peninsular Range, Gavilan Hills, N/S trending bulldozer track 0.83 mile north of the Nichols Road junction with Hwy 15, and c. 3 miles north of Lake Elsinore 488 Comment
  UCR51856  Eriogonum gracile Steve Boyd 1987-9-27 2029 Riverside Peninsular Range, Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek 366 Comment
  UCR272194  Eriogonum gracile var. gracile Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8566 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  RSA575902  Eriogonum gracile var. incultum Steve Boyd 1994-10-14 8379 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  RSA735613  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -b Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  CAS-BOT-BC257576  Eriogonum inflatum R. F. Hoover 1966-10-15 10168 Riverside Dead Indian Canyon Comment
  RSA5160  Eriogonum inflatum var. inflatum Carl B. Wolf 1932-4-26 2971 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  RSA783167  Eriogonum lobbii J. D. Olmsted 1959-7-1 790 Riverside 0.5 mi. below Deer Springs on Deer Springs trail north of Idyllwild, N Fk. San Jacinto River drainage, west-southwest slope 2500 Comment
  JOTR16814  Eriogonum maculatum Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  UCR244315  Eriogonum maculatum Jim Andre 2012-4-16 20890 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  JEPS56475  Eriogonum pusillum W. L. Jepson 1927-4-11 11625 Riverside Whitewater Bridge 457 Comment
  JEPS56485  Eriogonum pusillum Marjorie D. Clary 1932-5-25 1036 Riverside between Indio and, Berdoo Canyon Pinyon Well; Colorado Desert, San Bernardino Mts., Berdoo Canyon 914 Comment
  POM250548  Eriogonum thomasii I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  JEPS56273  Eriogonum thurberi W. L. Jepson 1901-5-22 1401 Riverside Palm Canyon Mt. San Jacinto, Palm Canyon Comment
  JEPS56283  Eriogonum thurberi Geo. B. Grant 1906-4-20 6717 Riverside Palm Springs Comment
  POM13239  Eriogonum thurberi P. A. Munz, I. M. Johnston 1922-5-19 5348 Riverside 5 miles NE of Murietta. 457 Comment
  POM2305  Eriogonum thurberi Jenkins, Street 1917-5-30 1954 Riverside San Jacinto. Comment
  UCSB24382  Eriogonum wrightii Wheeler, Louis 1933-12-1 Riverside Mouth of Tahquitz Canyon; San Jacinto Mts 152 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  UC56365  Eriogonum wrightii var. membranaceum J. Vandeventer 1903-1 16 Riverside San Jacinto Mts. Comment
  POM160097  Eriophyllum ambiguum var. paleaceum E. C. Jaeger 1927-3-23 s.n. Riverside Travertine Point [Travertine Rock?], Colo. Desert. Comment
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Nov 24 2016
  CAS-BOT-BC297334  Eriophyllum confertiflorum Louis C. Wheeler 1931-10-4 217 Riverside Hemet - Idyllwild Rd, San Jacinto Mts 1402 Comment
  IRVC29077  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Harford Springs County Park Gavilan Hills 610 Comment
  RSA689561  Eriophyllum confertiflorum Scott D. White, Michael Honer 2003-4-25 9110 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR182373  Eriophyllum confertiflorum Andrea Salzman, Ricky Escobar, et al 2006-4-10 52 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  JOTR34189  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2983 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
  UCR174321  Eriophyllum multicaule A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32560 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
  UCR90749  Eriophyllum multicaule Scott D. White 1995-4-5 2739 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JEPS5378  Eriophyllum wallacei W. L. Jepson 1927-4-11 11621 Riverside near Palm Springs RR station; Whitewater Bridge Comment
  RSA695585  Eriophyllum wallacei Keith E. Hoffmaster 1937-3-16 747 Riverside Palm Springs. Comment
  UCSB6534  Eriophyllum wallacei Kamb, Peter 1948-4-11 Riverside Banning-Indio Highway east of Whitewater Wash, Coachella Valley 457 Comment
  CSUSB48  Erodium cicutarium Steve Stadler 1966-3-2 030266 22 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
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Sep 29 2011
  SD255192  Erodium cicutarium Duncan S. Bell, Amanda Bell 2012-1-28 3067 Riverside East side of Arica Mountains; Rice Valley, ca. 6.0 air miles southeast of the ghost town of Rice. 202 Comment
  UC1536993  Erodium cicutarium Gordon H. True 1935-3-1 29 Riverside Box Springs 365 Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA543135  Erodium macrophyllum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6124 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  RSA563891  Erodium moschatum Scott D. White 1993-4-20 1205 Riverside Estelle Peak, Gavilan Hills. 823 Comment
  RSA336175  Eryngium aristulatum var. parishii R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  SBBG54326  Eryngium aristulatum var. parishii C. Davidson 1977-5-25 5653 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  CSUSB1406  Erysimum capitatum K. S. Gill 1965-4-18 S. N. Riverside On UCR campus 243 Comment
  UC488990  Erysimum capitatum C. V. Meyer June 1927 170 Riverside San Jacinto Mts. 1676 Comment
  RSA0020250  Erythranthe floribunda Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2121 Riverside Santa Rosa Mountains. Comment
  SEINET14045869 Image available Erythranthe guttata A. C. Sanders 2006-1 32401 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0018798  Erythranthe guttata N. C. Cooper 1949-6-29 4317 Riverside Hemet Lake, San Jacinto Mt. 1524 Comment
  RSA0014891  Erythranthe moschata J. D. Olmsted 1959-7-25 768 Riverside Lily Fork of Strawberry Creek at start of Devil's Slide Trail NE of Idyllwild. San Jacinto Mountains, Strawberry Creek drainage area. 1738 Comment
  UCD96504  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 511 Riverside California. Riverside County: Joshua Tree National Park. 623 Comment
  UCD96518  Eschscholzia androuxii Shannon M. Still; Robert Lee 2009-3-3 458 Riverside California. Riverside County: Joshua Tree National Park. Smoke Tree Wash. 847 Comment
  RSA0022928  Eschscholzia androuxii Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54039 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  JEPS51792  Eschscholzia californica W. L. Jepson 1901-5-31 1567 Riverside Valley of the Temecula River Comment
  SEINET7073410  Eschscholzia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCD94284  Eschscholzia minutiflora Shannon M. Still 2009-2-21 434 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  UCD96464  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 257 Riverside California. Riverside County: Joshua Tree National Park. 810 Comment
  RSA0022893  Eschscholzia papastillii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs. Colorado desert. Comment
  CAS-BOT-BC419650  Eschscholzia parishii H. L. Mason 1928-3-10 4191 Riverside Whitewater River Comment
  UC111316  Eschscholzia parishii S. B. Parish 1907-4-15 6603 Riverside Whitewater Western edge of Colorado Desert (type station) 600 Comment
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR216220  Eschscholzia parishii Jim Andre, T. La Doux 2009-2-25 10804 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  CSUSB861  Eucalyptus tereticornis Bruce A. Beebe 1970-5-12 39 Riverside Box Springs Mountains North foothills of Box Springs Mountains along Pigeon Pass Road, 0.4 mile from junction with Serpentine Road; about 3 miles north of UC Riverside. 426 Comment
  UCD119345  Eucrypta chrysanthemifolia Geoffrey Levin 1975-4-26 483 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  UCD119350  Eucrypta chrysanthemifolia B. Pitzer 1997-4-20 3193 Riverside Lakeview Mtns: Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  JOTR32027  Eucrypta micrantha La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2257 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  RSA78474  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17503 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  UC68569  Eulobus californicus H. M. Hall May 1905 6242 Riverside Shaver's Well Colorado Desert, Chilcoot Pass Comment
  UCSB4514  Eulobus californicus Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of US 99, & 3 air miles S of Riverside-San Bernardino county line 609 Comment
  UCR240520  Euphorbia abramsiana Tim Thomas, Alice Karl 2011-10-18 5526 Riverside Sonoran (Colorado) Desert, Hayfield Lake, 4 mi east of Chiriaco Summit, just north of Hwy I-10, northwest portion of lake be 437 Comment
  UCR242866  Euphorbia abramsiana Catherine MacGregor 2012-9-13 s.n. Riverside Sonoran (Colorado) Desert, west of Blythe, 1.55 km E of Wileys Well Rd., 2.73 km south of I-10, 3.7 km NE of state prison 127 Comment
  UCR225450  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2011-3-28 38830 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  RSA575852  Euphorbia ocellata subsp. ocellata Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 588 Comment
  UCR256716  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3097 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
  SD229140  Euphorbia polycarpa Dick Schwenkmeyer 2012-11-6 866 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR213543  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37828 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR116398  Euphorbia revoluta J. Zabriskie 1976-10-15 944 Riverside Santa Rosa Mtns / Colorado Desert, Deep Canyon Desert Research Area, downslope to Deep Canyon from Bighorn Overlook, along Hwy 74. 1098 Comment
  UCR101410  Euphorbia serpillifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22235 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  UCR156097  Euphorbia serpillifolia T. B. Salvato, Kent Beaman 2005-5-16 861 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
  CLARK-A1528-5487  Eustoma exaltatum John C. Roos 1951-9-25 5259 Riverside Riverside 259 Comment
  RSA69419  Eustoma exaltatum F. W. Peirson 1919-4-14 879 Riverside Palm Canyon, near Palm Springs Comment
  UC56492  Eustoma exaltatum F. Gilman 1902-1 23 Riverside Palm Springs Comment
  CAS-BOT-BC171045  Fagonia laevis John H. Thomas 1957-3-30 6545 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  JEPS43394  Fagonia laevis Dr. L. M. Newlon 1922-4-4 456 Riverside Palm Canyon; San Jacinto Mts. Comment
  POM182066  Fagonia laevis Philip A. Munz 1932-3-14 11982 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  RSA555335  Fagonia laevis A. C. Sanders, E. J. Lawlor 1992-4-4 12086 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR104005  Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2657 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  SEINET3005065  Fagonia pachyacantha G. Rink 2011-5-1 10503 Riverside North side of the Chuckawalla Mountains 365 Comment
  UCR115433  Festuca microstachys Scott D. White, D. E. Bramlet 1999-4-22 7239 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR158273  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29500 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
  UCR239201  Festuca myuros var. hirsuta Steven R. Hill, A. C. Sanders 2001-5-4 33721 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  UCR104930  Festuca octoflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20640 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  CLARK-A1528-4668  Festuca pacifica John C. Roos 1952-4-9 5481 Riverside Riverside 259 Comment
  UCR48371  Filago arizonica Steve Boyd 1986-5-7 1825 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA336045  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52030 Riverside Chino Canyon Comment
  UCR104922  Filago californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20662 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR196017  Filago gallica R. F. Thorne, E. W. Lathrop 1975-5-20 45508 Riverside Santa Rosa Plateau, Santa Ana Mountains, Rancho California, Mesa de Burro 610 Comment
  RSA336050  Fouquieria splendens Robert F. Thorne 1978-4-23 52049 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
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Apr 24 2011
  SBBG69367  Fouquieria splendens M. N. Ackley -Feb-1926 359 Riverside Box Cyn 304 Comment
  UCSB4144  Fouquieria splendens Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 195 and Hwy. 60-70 at N edge of Orocopia Mts. Comment
  UC19171  Fouquieria splendens subsp. splendens H. M. Hall 1902-4-11 2789 Riverside Coyote Canyon Colorado Desert (w borders of Colorado) 152 Comment
  RSA0018452  Frangula californica subsp. cuspidata T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 132 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  SD229247  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-18 700 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA33863  Frasera parryi Robert L. Rutherford 1944-7-15 1583 Riverside Palms to Pines Hwy 1372 Comment
  RSA464921  Fraxinus dipetala N. C. Cooper 1945-5-5 2263 Riverside San Gorgonio Mountains above Banning. 915 Comment
  UCR81996  Fumaria officinalis Steve Morgan 1994-3-25 94- 2 Riverside UCR Botanic Garden Comment
  SEINET3081970 Image available Funastrum cynanchoides var. hartwegii B. Pitzer 1986-4-26 185 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA458596  Funastrum hirtellum L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River Comment
  RSA740938  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-7-9 12440 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  SEINET3101940  Galium andrewsii subsp. andrewsii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17362 .2 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR154830  Galium angustifolium A. C. Sanders, Mike Misenhelter 2005-3-23 29277 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR159249  Galium angustifolium A. C. Sanders, Kelly Volansky 2005-8-31 31569 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
  JEPS56073  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4241 Riverside at Keyes Drive San Jacinto Mts. Poppet Flat 1097 Comment
  JEPS56083  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4276 Riverside on road to Santa Rosa Mountain 1.8 mi above Mountain Home Spring (w-facing slope) Comment
  RSA740626  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood 2008-7-8 12380 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA741168  Galium aparine Scott D. White, Justin M. Wood 2008-5-15 12004 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR216232  Galium aparine Mike Bell 2008-4-27 016 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 558 Comment
  UC1324393 Image available Galium californicum subsp. primum Lauramay T. Dempster and C. Hardham 1965-6-18 4133 Riverside on road to Alvin Meadow (from Idyllwild); ; Riverside Co. Comment
  RSA567550  Galium parishii Christopher Davidson 1978-6-15 7391 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UCR26357  Galium parishii A. C. Sanders, J. A. Harpel 1981-8-26 2332 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  UCR61028  Galium porrigens var. porrigens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2288 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM184501  Galium stellatum C. Leo Hitchcock 1932-4-7 12208 Riverside Corn Springs, Eastern Riverside. Comment
  RSA0107899  Galium stellatum subsp. eremicum Duncan S. Bell, Thomas Stoughton 2010-3-19 572 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  UC889025  Galium stellatum var. eremicum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  RSA221006  Garrya veatchii E. W. Lathrop 1966-4-20 6191 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA585504  Gastridium phleoides D. L. Banks, Steve Boyd 1995-5-9 365 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
  UC64495  Gayophytum diffusum subsp. parviflorum H. M. Hall May, 1899 Riverside El Toro Mt. San Jacinto Mountains 2042 Comment
  RSA516907  Geraea canescens Steve Boyd, Orlando Mistretta 1986-3-13 1441 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA696891  Geraea canescens Anonymous s.n. Riverside Palm Spring. Comment
  RSA736586  Geraea canescens Keith E. Hoffmaster 1933-4-15 355 Riverside Desert end Palms to Pines road. Comment
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Aug 18 2010
  RSA781746  Geraea canescens Duncan S. Bell 2011-12-30 3046 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
  RSA79150  Geraea canescens P. A. Munz, P. C. Everett 1951-5-2 16254 Riverside 2 miles E of Garnet, Coachella Valley. 30 Comment
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Apr 21 2011
  UCR100866  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-18 2708 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR90169  Geraea canescens R. W. Scora 1966-4-1 3015 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UCR118404  Gilia A. C. Sanders 1994-5-30 14602 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR157881  Gilia A. C. Sanders 1995-4-10 16481 Riverside Peninsular Range, Gavilan Hills, 2360 ft. hill, 1.2 miles WSW of Gavilan Peak, east of Lake Mathews Dr. 683 Comment
  SEINET6969909  Gilia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Base of brush-covered Gavilan Hills west of Perris. Comment
  RSA627297  Gilia angelensis George K. Helmkamp 1998-4-3 3083 Riverside West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. N of Tamarack Rd on Cottonwood Rd. 1280 Comment
  UCR213626  Gilia angelensis A. C. Sanders, Matthew Malle 2010-4-23 37998 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR92046  Gilia angelensis Scott D. White 1995-3-30 2653 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
  UCR259197  Gilia diegensis Mitch Provance, Jeremiah George 2012-4-24 412- 02 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  SEINET12278788  Gilia latifolia H. M. Hall 1902-1 2913 Riverside vicinity of Winchester 457 Comment
  CAS-BOT-BC516256  Gilia maculata R. Patterson; M. Bourell 1994-3-28 1970 Riverside Joshua Tree National Monument; Pinto Basic Rd, ca. 5 mi S of jct with Utah Trail (road to Twenty Nine Palms 1000 Comment
  SBBG101670  Gilia ochroleuca subsp. exilis S. Boyd 1991-5-20 6278 Riverside NW of Lake Elsinore; lower Rice Cyn 0.5 mi E of Cleveland Nat Forest boundary 518 Comment
  RSA480097  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2186 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JOTR30237  Gilia sinuata Leary, C. and Leary, Pat 1979-5-5 3000 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. Comment
  RSA776510  Gilia stellata Amber Swanson, Duncan S. Bell 2011-3-10 210 Riverside Shaver's well in Box Cyn in the Mecca Hills 304 Comment
  UCR1643  Gilia stellata William G. Truesdell 1962-3-25 32562- 3 Riverside San Bernardino Mtns./Western Colorado Desert, Whitewater Canyon, 1 mile from Hwy 60 457 Comment
  UCR88535  Gilia stellata A. C. Sanders 1995-4-13 16492 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
  SD152893  Githopsis diffusa subsp. candida Steve Boyd, Tim Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET1008980  Glandularia pulchella A. C. Sanders, B. Pitzer, D. Charlton 1986-1 16 -B.G. Riverside Cultivated on grid cell # A-3, near B-3 border. 396 Comment
  CDA7195  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mountains; Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. Comment
  RSA0028237  Gnaphalium John F. Emmel 1988-4-23 1082 Riverside Riverside/San Bernardino County Line. Joshua Tree National Monument; wash 0.2 air mile NE to 1.2 air mile NNE of summit of Negro Hill, at NE end Queen Valley. 1363 Comment
  CLARK-A1528-220  Gnaphalium bicolor Fred B. Essig 1967-5-7 Riverside Riverside Comment
  RSA586765  Gnaphalium luteoalbum D. L. Banks, S. D. Boyd 1995-5-17 0463 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCR162772  Gnaphalium luteoalbum S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR34923  Gnaphalium stramineum L. B. Ziegler 1968-7-17 331 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  UCR207485  Gutierrezia californica O. F. Clarke 2003-11-5 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCR91875  Gutierrezia sarothrae A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15901 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  UCR60259  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3196 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  UCR281216  Harpagonella palmeri var. palmeri Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 38 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  UCR89753  Helianthemum scoparium Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3299 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
  UCR256808  Helianthus annuus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7860 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  RSA701121  Helianthus gracilentus Michael Wall 1996-7-1 166 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  UCR100378  Helianthus gracilentus A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21611 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  POM11986  Helianthus niveus subsp. canescens M. French Gilman 1922-05 s.n. Riverside Andrea's Canyon, Palm Springs. Comment
  SEINET3105270  Heliotropium curassavicum Faulkner 1978-4-27 501 Riverside Three miles east of Blythe. 137 Comment
  UCR278884  Heliotropium curassavicum Mitch Provance 2011-6-9 17195 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA653072  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR239919  Hemizonia fasciculata O. F. Clarke 2004-5-2 s.n. Riverside Santa Ana River near Riverside 244 Comment
  RSA714435  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA773102  Hemizonia kelloggii Duncan S. Bell, J. D. England 2010-6-7 1273 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 775 Comment
  UCR211882  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1068 B Riverside Peninsular Range; San jacinto Mountains, Keen Camp Road, east of Hwy 74, west of entrance gate to Camp Tahquitz Meadows 1402 Comment
  SEINET1907213  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-1 6702 Riverside Granitie Knolls and Mesas of Riverside: South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR167688  Hemizonia paniculata T. B. Salvato, Melissa Clemons 2005-6-23 1289 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  UCR172211  Hemizonia paniculata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  UCR229498  Hemizonia paniculata Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  CLARK-A1528-1922  Hemizonia paniculata subsp. paniculata John C. Roos 1965-6-30 Riverside Edgemont Comment
  RSA621638  Hemizonia pungens subsp. laevis R. E. Riefner 1998-4-22 98 -293 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  POM14597  Hesperocallis undulata Bradley 1922-4-10 6 Riverside Near Mecca. Comment
  RSA550338  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4650 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  UCD138403  Hesperocallis undulata Lionel A. Stange 1956-3-31 s.n. Riverside 2 miles east of Mecca on State Highway 195. Comment
  UCR92701  Hesperocnide tenella A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18033 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  UCR97451  Hesperocnide tenella A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19767 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA720461  Heterocodon rariflorum Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1680 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  UCR193393  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35634 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
  SEINET10460700  Heterocodon rariflorum Meryle B. Dunkle 1933-7-21 Dunkle 3726 Riverside SAN JACINTO MTN IDYLWILD Comment
  UC12317  Heteromeles arbutifolia Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR92394  Heterotheca sessiliflora subsp. echioides F. M. Reed 1907-10-20 1978 Riverside South Coast; San Bernardino Valley, Sandy mesa in W Riverside, Crestmore townsite 275 Comment
  RSA695437  Hibiscus denudatus Scott D. White, Michael Honer 2003-5-14 9291 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR41460  Hibiscus denudatus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6130 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  CAS-BOT-BC312331  Hieracium albiflorum J. Ewan 1930-8-31 2131 Riverside North fork Tahquitz Creek, San Jacinto Mts. 2499 Comment
  UCR165641  Hilaria rigida John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR24074  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Sonoran (Colorado) Desert, Coachella Valley, [near Thousand Palms] 8 mi. SE of Garnet 98 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
  LA45786  Hoffmannseggia microphylla E. M. Hyde; 1935-3-17 sn Riverside Palms to Pines Highway 182 Comment
  LA45806  Hoffmannseggia microphylla A. M. Johnson; 1933-4-28 4216 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA0034158  Hoffmannseggia microphylla M. Bourell 1987-4-14 3272 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  SD123998  Hoffmannseggia microphylla C. W. Tilforth 1976-7-21 1221 Riverside Colorado Desert, Painted Canyon NE of Mecca Comment
  UCR2463  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA564766  Hordeum intercedens A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR56703  Hordeum marinum subsp. gussoneanum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau, south of town of Murrieta, west of Mesa de Burro 549 Comment
  SEINET10611043  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 Munz 16651 Riverside Moist slope, north end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  CAS-BOT-BC148557  Horkelia clevelandii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  LA207994  Horkelia clevelandii var. clevelandii Carl Epling; William Robison 1935-6-30 sn Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  SBBG122007  Hulsea heterochroma A. Parikh, N. Gale 2004-6-7 764 Riverside W side of Smith Crk, 2.3 km NE of Highland Springs, 1.1 km W of Banning Bench/Bluff Street 1110 Comment
  UCR213828  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  POM361075  Hymenoclea salsola M. B. Dunkle 1935-4-17 4554 Riverside W. of Wiley Well. Colorado Desert. Comment
  POM41973  Hymenoclea salsola Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA650973  Hymenoclea salsola Marion P. Harthill 1971-3-19 25 Riverside Palm Desert. Comment
  JOTR30090  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  UCR238062  Hymenopappus filifolius var. lugens Mark A. Elvin 2004-6-2 3499 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  JOTR32486  Hymenoxys cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2473 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UC489081  Hypericum anagalloides C. V. Meyer 1928-7-26 532 Riverside w. slope San Jacinto Mt. 2438 Comment
  UC872029  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  SD234894  Hypericum formosum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35632 Riverside Peninsular Range; San Jacinto Mtns.: May Velley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch. 1524 Comment
  RSA0041452  Hyptis emoryi Duncan S. Bell, LeRoy Gross 2014-3-20 6281 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA0041942  Hyptis emoryi Duncan S. Bell, Loraine Washburn 2014-4-10 6594 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  RSA0105947  Hyptis emoryi Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA615340  Hyptis emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2699 Riverside Sonoran (Colorado) Desert Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  SEINET9369856  Hyptis emoryi Unknown 1936-12-19 Riverside Riverside Co., CA (elev 500') 152 Comment
  UCR182535  Ipomoea purpurea Mitch Provance 2003-7-4 4633 Riverside San Bernardino Valley, Riverside, 'Adams Hill', along the N. side of Raintree Ave., 0.2 mi. SW of Adams St., 0.3 mi. SE of Colorado Ave., c. 0.75 mi. SE of the Riverside Municipal Airport 238 Comment
  SD126162  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junctiln with Highway 111 in Coachella. -35 Comment
  UCR72556  Ipomoea triloba Dave Kelly 1991-10-25 92- 20 Riverside Sonoran (Colorado) Desert, Blythe, melon field at 12th and Intake Comment
  CAS-BOT-BC311611  Isocoma acradenia var. eremophila N. Aitkenhead 1977-2-1 2119 Riverside 1000 Palms Sand Dune Natural Area Comment
  POM361285  Isocoma acradenia var. eremophila Allen 1921-10 s.n. Riverside Palm Springs. Comment
  RSA770888  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4591 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA192194  Isocoma menziesii var. vernonioides E. W. Lathrop 1966-4-13 6145 Riverside De Luz Road between Murrieta and De Luz Comment
  CLARK-A1045-325  Isomeris arborea var. angustata George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  UC32937  Iva axillaris subsp. robustior H. M. Hall 1901-5-1 1927 Riverside Coahuilla 1402 Comment
  CAS-BOT-BC126766  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37160 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  SD146110  Juncus balticus subsp. ater Mitch Provance 1999-5-4 1687 Riverside Riverside, Santa Ana River Wash, between the Market Street and Riverside Avenue crossings; Fontana 7.5' quad. Wet margins of pools near the active river channel. 244 Comment
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  SD187306  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR273789  Juncus bufonius Mitch Provance 2012-4-20 412- 24 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  POM14376  Juncus bufonius var. occidentalis Phillip A. Munz 1922-4-29 5062 a Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SD90604  Juncus bufonius var. occidentalis Robert F. Thorne, Earl Lathrop 1969-5-12 37924 Riverside Santa Rosa Plateau, large vernal marsh on south end of Mesa de Colorado, Rancho California. In wet mud and shallow water at northern margin. Comment
  RSA0099584  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  RSA520939  Juncus effusus subsp. austrocalifornicus Steve Boyd, David E. Bramlet 1988-10-8 2862 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  UC1601743  Juncus effusus subsp. austrocalifornicus H. M. Hall Jul 1901 2390 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1645 Comment
  RSA666859  Juncus luciensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Mesa de Burro 610 Comment
  RSA741108  Juncus mexicanus Scott D. White, Justin M. Wood 2008-6-17 12158 Riverside South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UC842923  Juncus mexicanus P. A. Munz 1922-6-23 5775 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR201685  Juncus oxymeris Scott D. White, Justin M. Wood 2008-6-19 12258 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR20884  Juncus sphaerocarpus A. C. Sanders 1978-7-3 784 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA788864  Juncus tiehmii G. D. Wallace 2003-7-8 4038 a Riverside Hidden Lake. Comment
  IRVC2018  Juncus xiphioides R. H. Whittaker, W. A. Niering 1963-6-5 SJ 236 Riverside Santa Rosa Mountains, Andreas Canyon. Slope Valley bottom. 213 Comment
  JOTR30096  Juniperus californica La Doux, Tasha, Alice Miller 2007-5-8 1736 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common 1385 Comment
  UC1543056  Juniperus californica Donald G. Nelson 1936-5-22 400 Riverside near base Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway, on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp) Comment
  RSA80967  Justicia californica G. R. Campbell 1952-4-6 18416 Riverside 3 mi. S. of jct. with road to Cottonwood Springs, Joshua Tree National Monument Road from 29 Palms to Hwy 60-70. 915 Comment
Read comments
Nov 19 2011
  SEINET2043587 Image available Justicia californica B. Pitzer 1988-3-10 640 Riverside W side of Chuckwalla Mountains, on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd. (&wash); ca. 2 airline miles S of HWY I-10 488 Comment
  UC56670  Justicia californica F. Gilman 1902-1 29 Riverside Palm Springs Comment
  JOTR32595  Kallstroemia californica La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2664 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  POM230991  Kallstroemia grandiflora Marjorie D. Clary 1936-10-24 2736 Riverside Chuckwalla Valley near Desert Center, North Colorado Desert. 274 Comment
  CAS-BOT-BC235498  Keckiella antirrhinoides L. R. Abrams 1941-4-22 13882 Riverside Palomar School near Perris Comment
  RSA339618  Keckiella antirrhinoides Robert F. Thorne, W. A. Tilforth 1980-5-28 54209 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA717685  Keckiella antirrhinoides A. C. Sanders 2004-5-5 27764 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  SD187479  Keckiella antirrhinoides Scott D. White, Angelia Carey 2004-4-16 10158 Riverside San Jacinto Mountain Foothills, Indian Creek 548 Comment
  SFV3426  Keckiella antirrhinoides D. Whisler 1959-5-10 Riverside San Jacinto Mountains North scarp. 610 Comment
  UC1063324  Keckiella antirrhinoides A. Lewis May 1934 438 Riverside 1 mi e Ortega Highway; Cleveland National Forest, Elsinore Quad. 944 Comment
  UCR77771  Keckiella antirrhinoides Steve Boyd 1991-5-10 6217 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  RSA496453  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3067 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  SBBG87641  Keckiella antirrhinoides subsp. antirrhinoides A. C. Sanders, B. Pitzer 1986-4-30 6474 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn Comment
  RSA0018942  Keckiella antirrhinoides subsp. antirrhinoides John F. Emmel 1973-3-3 414 Riverside South Fork of San Jacinto River, west of Hemet. 823 Comment
  OBI37488  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Rd, 8.5 mi W of rancho California 274 Comment
  SD70919  Keckiella cordifolia Helen V. Witham 1969-7-2 186 Riverside De Luz Creek crossing, 4 miles north of De Luz. 249 Comment
  UC1563110  Keckiella cordifolia Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3686 Riverside Arroyo Seco; Vail Lake Area 487 Comment
  UCR133703  Keckiella ternata N. C. Cooper 1944-7-15 1581 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  RSA801951  Koeleria macrantha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6162 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR96423  Koeleria macrantha Scott D. White 1996-8-1 4434 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC273677  Koeleria pyramidata Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2281 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SBBG3341  Krameria bicolor H. and M. Dearing 1946-6-8 4343 Riverside 2 mi N of Palm Springs Comment
  RSA457794  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR17325  Krameria erecta Loretta Bates 1978-4-15 s.n. Riverside Chuckwalla Mtns, Corn Springs Road, c. 1 mi east of Corn Springs Campground Comment
  RSA408613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  UCR17305  Krameria grayi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  RSA0056400  Krameria parvifolia var. imparata James R. Shevock 1970-12-13 560 Riverside White Tank Campground; Joshua Tree. 1175 Comment
  SEINET5560172  Lamarckia aurea H. S. Gentry 1973-1 22192 Riverside Gentry ranch, 3.5 miles NE of Murrieta. 396 Comment
  SEINET4670727  Lamarckia aurea H. M. Hall 1900-5-29 1385 Riverside Southern California, Riverside Comment
  UCR158320  Lamium amplexicaule A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30063 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
  UCR19408  Langloisia setosissima Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  JEPS69821  Langloisia setosissima subsp. setosissima W. L. Jepson 1927-4-14 11695 Riverside Silent Canyon, s.e. end Santa Rosa Mts. Colorado Desert, s.e. end Santa Rosa Mts., Silent Canyon 304 Comment
  LA209859  Larrea tridentata A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  RSA390013  Larrea tridentata N. C. Cooper 1944-4-8 1048 Riverside Andreas Canyon. 305 Comment
  SEINET5762028  Larrea tridentata Kelly Wagner 1999-3-8 Riverside Dirt lot on left hand side (heading west) off Palm Canyon Dr. & Golf Club Dr. 148 Comment
  UCD107211  Larrea tridentata Gordon Pilone 1961-3-1 101 Riverside White Water Canyon one-half mile below fish hatchery. San Bernardino Mt. Range. 457 Comment
  UCR214556  Larrea tridentata A. C. Sanders 2010-3-15 37422 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  CAS-BOT-BC338909  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  CLARK-A1528-2148  Lasthenia chrysostoma John C. Roos 1952-4-13 5535 Riverside Box Springs Mountains 396 Comment
  RSA501046  Lasthenia coronaria Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3167 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR41244  Lasthenia coronaria N. M. Fellows 1985-3-16 s.n. Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  JEPS35628  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19158 Riverside Temecula 304 Comment
  RSA550495  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-3 2214 Riverside Entrance to San Jacinto Wildlife area some 152m east of Davis Road. and 10m south of the exisitng access road. The site is some 137m south of the exsiting headquarters building and some 76m south of a waterfowl pond. 434 Comment
  UCR15367  Lasthenia glabrata subsp. coulteri George K. Helmkamp 1977-3-5 s.n. Riverside Perris-Aguanga Basin, west side of the San Jacinto River, 0.5 mi south of the Ramona Expressway 435 Comment
  RSA5024  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UCR213442  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37830 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR91211  Lasthenia gracilis A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18070 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  POM15152  Lathyrus vestitus subsp. laetiflorus Mary F. Spencer 1922-6-24 s.n. Riverside Idyllwild, San Jacinto Mountains. 1768 Comment
  POM306061  Lathyrus vestitus subsp. laetiflorus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1325 Riverside Santa Rosa Mountains. Comment
  SD8722  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-1 Riverside Temecula Comment
  UC219227  Lathyrus vestitus var. vestitus P. A. Munz 1922-4-28 5050 Riverside Leach Canyon Santa Ana Mts. 609 Comment
  POM294111  Layia glandulosa Lyman Benson 1946-4-15 12018 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  CAS-BOT-BC224920  Layia platyglossa A. C. Sanders; T. B. Salvato 2011-3-28 38819 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UC30603  Layia platyglossa Geo. R. Hall 1901-3-17 1670 Riverside near Riverside Comment
  UC62891  Layia platyglossa H. M. Hall 1901-5-1 Riverside W Riverside Comment
  UCR154822  Layia platyglossa A. C. Sanders, Kelly Volansky 2005-3-17 29239 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
  CLARK-A1528-260  Layia platyglossa subsp. campestris Roberta H. Smith 1969-5-4 24 Riverside Lake Matthews 435 Comment
  POM15185  Layia platyglossa subsp. campestris Mary F. Spencer 1922-4-23 1081 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  RSA233324  Layia platyglossa subsp. platyglossa L. B. Ziegler 1968-4-16 s.n. Riverside Hemet Valley, San Jacinto Mts Comment
  SD140222  Leersia oryzoides A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and Santa Ana River, circa 50-100 meters below the lake. 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
  UCR113899  Lepidium chalepense Mitch Provance 1998-4-13 431 Riverside City of Riverside, Vacant lot on corner of California Ave. and Monroe St. in the Arlington area of Riverside 229 Comment
  RSA563912  Lepidium dictyotum A. C. Sanders 1993-4-5 13684 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UCR151368  Lepidium dictyotum Steve Boyd 2001-4-12 10410 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  UCR76176  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-5 13683 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR49239  Lepidium dictyotum var. dictyotum Steve Boyd 1986-4-2 1623 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM14361  Lepidium lasiocarpum P. A. Munz, D. D. Keck 1922-4-9 4806 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  POM272886  Lepidium lasiocarpum Lyman Benson 1933-3-31 4176 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  POM47119  Lepidium lasiocarpum Mary F. Spencer 1918-4-12 764 Riverside Palm Springs 137 Comment
  UC1971244  Lepidium latifolium Scott D. White 1998-6-28 6801 Riverside CORONA: River Road bridge over the Santa Ana River. USGS 7.5' Corona North quad. Comment
  UCR201883  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UC1929468  Lepidium virginicum subsp. menziesii Scott D. White 2001-4-13 8320 Riverside BADLANDS: County Landfill area north Moreno Valley. About 1/4 air mi NW of the SR-60 freeway jtn with Gilman Springs Rd. Comment
  UCR242674  Lepidium virginicum subsp. menziesii A. C. Sanders 2013-7-6 40839 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
  JEPS85756  Lepidium virginicum var. robinsonii Roy E. Buck and A. C. Sanders 1989-3-30 1133 Riverside 2.1 air km ese Sugarloaf Mtn. summit (e of Riverside, Two Trees Canyon, w-facing slope just above confluence of main canyon and side canyon entering from the n); Box Springs Mtns., Two Trees Canyon 426 Comment
  POM113965  Lepidium virginicum var. robinsonii Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  RSA576089  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  SD148197  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 Riverside Hemet, southeast corner of State Street at Gibbil, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR256747  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle 2013-4-15 7536 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 1.10 mi northeast of the junction of Lake Street and Hwy I-15 567 Comment
  UCR3284  Lepidium virginicum var. robinsonii T. R. Plumb 1964-2-23 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, small hill east of Sugarloaf 442 Comment
  RSA604869  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns: Ca 5 road mi SE of Davis RD/Ramona Expwy intersection. 610 Comment
  UCR123821  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 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
  UCR189291  Leptochloa uninervia Fred M. Roberts, S. Leatherman 2007-9-19 6596 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR2518  Leptochloa uninervia F. M. Reed 1926-5-15 5342 Riverside Peninsular Range; Perris/Aguanga Basin Region, Menifee Valley, west of Menifee schoolhouse [which was at corner of corner of Newport and Bradley Roads] 457 Comment
  JEPS69865  Leptodactylon pungens Carl V. Meyer 1928-7-31 611 Riverside near summit of Tahquitz Peak (on w side, San Jacinto Mts.); San Jacinto Mts., nr summit Tahquitz Peak Comment
  POM364532  Leptosiphon ciliatus Christopher Davidson 1975-6-16 2818 Riverside 2 miles N of Alandale station on road R1 from Idyllwild to Banning. 1646 Comment
  HSC85325  Leptosiphon lemmonii Steve Boyd 1986-4-2 1633 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM13198  Leptosiphon lemmonii P. A. Munz 1922-5-20 5477 Riverside Kenworthy, Covering miles of sandy flats. 1463 Comment
  RSA606306  Leptosiphon lemmonii Jon E. Keeley 1994-4-22 25339 Riverside Shipley Reserve. 590 Comment
  POM364643  Leptosiphon liniflorus H. Twining 1888-03 s.n. Riverside Riverside Comment
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  SD215408  Leptosyne californica Steve Boyd, Tim Ross and Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake area, valley betweenBlack Hills and Rocky Ridge. 701 Comment
  UC1378940  Lesquerella tenella Reed C. Rollins 1967-4-17 6755 Riverside near Cottonwood Springs campground; Joshua Tree National Monument, near Cottonwood Springs campg Comment
  SBBG118780  Lessingia glandulifera S. D. White 1999-7-9 7533 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  CAS-BOT-BC339366  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  CAS-BOT-BC339490  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz [Tahquitz] trail Comment
  CAS-BOT-BC274536  Leymus triticoides H. Wedberg 1962-7-28 993 Riverside Meadow in Hemet Valley; about 1 mile from Hurkey Creek Public Camp on the road to Santa Rosa Summit, San Jacinto Mountains 1371 Comment
  SEINET10835382  Leymus triticoides David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20768 Riverside Gas station at SW corner of jct of Hwys 74 & 71. Comment
  IRVC17940  Lilaea scilloides Karlin G. Marsh, Gordon A. Marsh 1980-5-18 s.n. Riverside Santa Ana Mountains, Santa Roa Plateau, pool #1. Comment
  HSC78994  Lilium parryi K. Berg 1980-7-29 244 Riverside San Jacinto Mtns., James Reserve, Hall Canyon, along Indian Creek 1646 Comment
  RSA736765  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR224311  Limonium sinuatum Justin M. Wood, Jamie Miner 2010-5-12 1680 Riverside Santa Ana Canyon, Santa Ana River, c. 0.75 mi downstream of Prado Dam, just northeast of Green River housing estate 137 Comment
  UCR908  Linanthus androsaceus subsp. micranthus Frank C. Vasek 1958-4-26 s.n. Riverside Peninsular Range, Highway '71' [79/371], east of Temecula, 1.6 miles [E] of junction of state Hwy 79 Comment
  RSA0019477  Linanthus arenicola J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24385 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA800105  Linanthus bigelovii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4768 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  OBI33512  Linanthus californicus Sheila Riddell 1973-5-17 730517 -19 Riverside On the roadside of Highway 74, 4.1 miles past El Cariso Fire Station 671 Comment
  UCR121237  Linanthus ciliatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2295 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR161389  Linanthus dianthiflorus 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
  RSA395904  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-22 1779 Riverside Gavillian Hills: Plateau remnant on ridge E of Estelle Mountain, S of Dawson Canyon. Comment
  JOTR34179  Linanthus dichotomus subsp. dichotomus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 140 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA676060  Linanthus jonesii Scott D. White 2001-4-3 8247 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA489837  Linanthus pungens subsp. hallii D. Charlton 1988-5-28 2135 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCR160776  Lithophragma A. C. Sanders 1998-3-11 21681 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR178344  Lithophragma Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1048 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 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
  RSA0018464  Lithophragma affine Scott D. White 1996-3-31 3859 Riverside Bundy Canyon, SE of Lake Elsinore. About 1 road mile (+/- 0.2 mi) E of Bundy Canyon Road exit from I-15 freeway. +/- 40 ft. S of road along mapped intermittent blueline stream. 450 Comment
  RSA586160  Lithophragma affine subsp. affine D. L. Banks, Steve Boyd 1995-3-30 0125 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  CAS-BOT-BC174464  Loeflingia squarrosa John Thomas Howell 1930-5-10 4802 Riverside At top of St. John's Grade Comment
  CLARK-A1528-2455  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside 487 Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  UCSB5126  Loeseliastrum schottii Kamb, Peter 1948-4-11 Riverside Aqueduct Road; 5 mi east of Garnet, Coachella Valley 304 Comment
  UCR54310  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  RSA0105316  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4039 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA180447  Lomatium lucidum E. W. Lathrop 1965-5-18 5755 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  UC56507  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  RSA0020465  Lophocereus schottii Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6031 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  SEINET4604437 Image available Lophocereus schottii Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas, and Alice Karl 2013-9-26 17802 Riverside Chuckwalla Mountains, south side of Corn Springs Wash, 600m ESE of Corn Spring, 12.2 km SE of Desert Center, 70km west of Blythe 480 Comment
  RSA605678  Lotus R. S. Woglum 1939-4-11 2219 A Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  RSA709073  Lotus argophyllus T. B. Salvato, John Green 2004-5-27 632 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA0018559  Lotus argophyllus Keith E. Hoffmaster 1937-6-6 807 Riverside San Jacinto Mtns: along Palms to Pines highway. 610 Comment
  UCR237697  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4508 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 526 Comment
  UCR100025  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 20000 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA498321  Lotus heermannii L. E. Hoffman 1932-11-26 17137 Riverside Pinon Flats, San Jacinto Mts. Comment
  UCR256089  Lotus nevadensis var. davidsonii G. D. Wallace 2003-7-8 4034 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  RSA406220  Lotus oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  RSA714382  Lotus oblongifolius T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR187285  Lotus purshianus Diane Menuz, Theresa Johnson 2006-8-2 197 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, along Santa Margarita River in Temecula Canyon, c. 100 m upstream from road crossing of river 274 Comment
  CLARK-A1528-485  Lotus rigidus John C. Roos 1951-9-25 Riverside Pinyon Crest Comment
  JOTR31879  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  UC1543245  Lotus rigidus Donald G. Nelson 1936-5-22 386 a Riverside near base of Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway, on trail down to stream in Palm Springs Canyon); Santa Rosa Mountains Comment
  UCR41908  Lotus salsuginosus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6045 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  CSUSB1268  Lotus scoparius Robert A. Hawthorne 1957-5-2 Riverside Reche Canyon 518 Comment
  RSA716258  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR21838  Lotus scoparius var. brevialatus 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
  RSA406329  Lotus strigosus N. C. Cooper 1944-6-17 1446 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA525409  Lotus strigosus Steve Boyd, Laurel Arnseth, Yvonne Rasmusson, Hugo Cota 1990-5-3 4517 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA757799  Lotus strigosus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4288 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA783587  Lotus strigosus M. Wall 2011-4-2 600 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 6.5 miles east of jct. with Fairview Ave. 758 Comment
  UC1286987  Lotus strigosus C. L. Hitchcock 1966-3-20 24316 Riverside 5 mi n Milpitas Wash (and 12 nw of Blythe-Glamis road) Comment
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Mar 2 2013
  UCR116984  Lotus strigosus A. C. Sanders, T. B. Salvato 2001-5-3 24079 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR169857  Lotus strigosus T. B. Salvato, John F. Green 2004-5-27 589 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
  UCR178840  Lotus strigosus T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1029 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCR98294  Lotus strigosus Scott D. White 1992-3-29 92- 56 Riverside San Bernardino Mtns, Millard Canyon. Steep W facing slope below fork with East Millard Cyn Rd. Comment
  HSC98230  Lotus strigosus var. hirtellus R. A. Eagle 1963-4-8 7 Riverside San Jacinto Mts., Idyllwild Comment
  UCR42356  Lotus strigosus var. hirtellus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 189 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  POM259731  Lotus tomentellus E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  UCR72384  Lotus tomentellus Theo Glenn 1991-5-8 91- 78 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UCR90319  Lotus tomentellus 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
  RSA234063  Lotus unifoliolatus R. F. Thorne, E. Lathrop 1969-5-19 37965 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  POM10288  Lotus wrangelianus Charlotte M. Wilder 1905-4-19 65 Riverside West Riverside Comment
  RSA496357  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3031 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  RSA736657  Ludwigia peploides Justin M. Wood 2008-7-16 29 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  JEPS64934  Lupinus arizonicus W. L. Jepson 1928-4-23 12553 Riverside wash 2 1/2 mi below Cottonwood Springs; Cottonwood Mts., below Cottonwood Spring 487 Comment
  POM46801  Lupinus arizonicus Mary F. Spencer 1920-4-6 1467 Riverside Palm Springs. 122 Comment
  RSA554018  Lupinus arizonicus A. C. Sanders 1992-4-4 12124 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA660564  Lupinus bicolor Lydia Paneri 1982-4-17 35 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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May 31 2008
  UC495199  Lupinus bicolor Philip A. Munz 1932-3-24 12017 Riverside Corona 365 Comment
  UCR127567  Lupinus bicolor A. C. Sanders, T. B. Salvato 2003-5-21 26790 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR158143  Lupinus bicolor A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30084 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
  UCR194236  Lupinus bicolor Mitch Provance, Michael L. Fugate 2005-4-14 10057 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  POM12737  Lupinus bicolor subsp. microphyllus Philip A. Munz 1922-4-29 5079 Riverside [Sedco] Station, south of Elsinore. Comment
  RSA407105  Lupinus breweri var. grandiflorus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
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Nov 22 2015
  PASA822  Lupinus concinnus Frank W. Peirson 1922-5-19 Riverside Road to Keen's Camp, San Jacinto Mts. Comment
  SBBG3576  Lupinus concinnus H. and M. Dearing 1949-4-9 6744 Riverside Joshua Tree Nat Monument Comment
  SD181516  Lupinus concinnus Scott D. White, Bill LaHaye 2000-5-27 7936 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. Common in burned areas. 1616 Comment
  SD232251  Lupinus concinnus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10483 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Along road to Palm Springs Tram Station. Comment
  POM12633  Lupinus concinnus subsp. optatus Philip A. Munz, I. M. Johnston 1922-5-19 5402 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA413542  Lupinus densiflorus var. lacteus E. Crow 1929-4-21 8323 Riverside Near Lake Elsinore Comment
  CLARK-A1528-2839  Lupinus hirsutissimus John C. Roos 1938-4-4 731 Riverside La Sierra Comment
  UCR127345  Lupinus hirsutissimus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR4134  Lupinus hirsutissimus Ronald M. Cope 1965-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Canyon on E side of Canyon Crest Drive, c. 2.5 mi. from fire prevention lab. 259 Comment
  VVC222  Lupinus hirsutissimus A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20654 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
  SEINET10485439  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2714 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  SD136844  Lupinus latifolius var. parishii Steve Boyd 1992-4-15 6851 Riverside Santa Ana Mountains, San Mateo Canyon wilderness Area, Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  SD8477  Lupinus shockleyi Parish Apr 1882 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  POM12738  Lupinus sparsiflorus Philip A. Munz 1922-4-29 5097 Riverside Dripping Spring, Temecula Creek. 549 Comment
  SDSU13998  Lupinus sparsiflorus Michael G. Simpson, Adrienne Russell 2000-4-29 2074 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UC16021  Lupinus sparsiflorus H. M. Hall Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  UCR137689  Lupinus sparsiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1486 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
  UCR62329  Lupinus sparsiflorus Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  RSA608359  Lupinus sparsiflorus J. Agardh 1930-4-13 s.n. Riverside San Jacinto Mountains. Comment
  RSA718870  Lupinus sparsiflorus Michael Honer, L. Hulse 2005-3-8 2035 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  CLARK-A1045-884  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  RSA414402  Lupinus truncatus N. C. Cooper 1946-4-5 2039 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA699814  Lupinus truncatus Scott D. White, Michael Honer 2003-4-4 8941 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SDSU12527  Lupinus truncatus Tahirih Linz, M. G. Simpson 2000-4-1 4 Riverside Comment
  POM259667  Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  UC219228  Lycium andersonii P. A. Munz 1922-4-29 5115 Riverside Agunaga Aguanga 609 Comment
  UC73599  Lycium andersonii M. F. Gilman 1901-1 29 Riverside Banning Comment
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Mar 13 2011
  UCD126594  Lycium andersonii Geoffrey Levin 1976-3-27 699 Riverside South side of Chino Canyon, West of Palm Springs. San Jacinto Mountains. 457 Comment
  UCR19427  Lycium andersonii Carl Epling, George H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  RSA0120557  Lycium cooperi Duncan S. Bell, Thomas Stoughton 2016-3-16 8940 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 399 Comment
  RSA2056  Lycium torreyi Carl B. Wolf 1931-3-13 1880 Riverside Colorado Desert, between Ripley and Blythe, 152 Comment
  CLARK-A1656-853  Lythrum californicum Jon Mark Stewart 1983-10-31 Riverside San Jacinto Mountains 548 Comment
  UCR6739  Lythrum californicum O. F. Clarke 1967-11-4 671104- 2 Riverside Santa Ana River channel, 0.25 mi. upstream from Salt Lake Railroad Bridge Comment
  UCR149982  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR121335  Machaeranthera asteroides A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25036 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR17808  Machaeranthera canescens O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  UCR18028  Machaeranthera cognata A. C. Sanders 1976-5-14 00150 Riverside Sonoran (Colorado) Desert, Painted Canyon, Mecca Hills 213 Comment
  CAS-BOT-BC206266  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-7-6 9661 Riverside Vandeventer Flat, San Jacinto Mts. 1493 Comment
  RSA263741  Malacothamnus fasciculatus E. W. Lathrop 1968-5-17 6893 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  UC33276  Malacothrix clevelandii H. M. Hall June 1901 2087 Riverside exposed s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  JOTR33975  Malacothrix glabrata La Doux, Tasha, M. Harding 2010-4-7 2863 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM362307  Malacothrix glabrata M. B. Dunkle 1932-3-25 2892 Riverside Cabazon. Comment
  UCR177858  Malacothrix glabrata Marisa Sripracha, K. A. Boyd 2004-3-21 040 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  UCR282414  Malacothrix saxatilis var. tenuifolia Mitch Provance 2009-7-1 709- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  RSA180343  Malosma laurina E. W. Lathrop 1965-5-23 5763 Riverside Riverside, 8 miles W of Murrieta. 610 Comment
  UC1010242  Malva parviflora John and Lucille Roos 1951-5-5 5034 Riverside Riverside, Fairmont Park Fairmont Park; Riverside, Fairmont Park 274 Comment
  SD146224  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Road, 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR19103  Malvella leprosa John C. Roos 1965-6-30 s.n. Riverside Perris-Aguanga Basin region, Perris Comment
  SD215475  Marah macrocarpa Steve Boyd, Tim Ross, et al 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR163589  Marah macrocarpa O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR232049  Marah macrocarpa John F. Green 2008-4-15 0408- 12 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
  CAS-BOT-BC218948  Marina parryi Lester Rowntree 1937-5-26 s.n. Riverside Box Canyon near Mecca Comment
  UCR237636  Marina parryi Duncan S. Bell, Amanda Turek 2010-4-10 791 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR33653  Marina parryi Sears 1977-10-10 S 523 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  UCSB59680  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  VVC2112  Marina parryi Tim Thomas 2012-8-23 5872 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  SEINET7843690  Marina parryi E. Neese 1979-4-11 7099 Riverside Between Blythe & Rice, 11 mi. nw of Blythe 305 Comment
  RSA714662  Matricaria globifera A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam. 457 Comment
  UCR280600  Matricaria occidentalis R. E. Riefner Jr. 2016-4-24 17- 196 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  UCR17807  Medicago minima O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  UCR3350  Medicago polymorpha T. R. Plumb 1964-5-3 s.n. Riverside Riverside, collector's backyard 335 Comment
  RSA651077  Medicago polymorpha Margaret Murphy 1983-5-1 0016 -B Riverside Dry river wash located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  CDA39524  Melasphaerula ramosa O. F. Clarke 2006-4-4 s.n. Riverside University of California, Riverside. Botanic Garden. Comment
  UCR112734  Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Peninsular Range, Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 567 Comment
  UCR114318  Mentha Mitch Provance 1998-3-21 271 B Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  UCR90602  Mentha spicata Scott D. White 1995-6-29 3388 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UCR241513  Mentzelia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40643 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  JOTR29305  Mentzelia involucrata La Doux, Tasha, Mike Bell 2006-5-17 1382 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR31008  Mentzelia involucrata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1294 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA678362  Mentzelia involucrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10503 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  SEINET185935  Mentzelia involucrata Philip A. Munz 1940-3-22 15662 Riverside Whitewater Canyon 2 miles north of Indio-Banning Highway Comment
  UC217974  Mentzelia involucrata P. A. Munz, D. Keck 1922-4-13 4940 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  UCR180230  Mentzelia involucrata Scott D. White, Pam Devries 2006-3-14 11258 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
  POM13053  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4836 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UC217915  Mentzelia jonesii P. A. Munz, D. Keck 1922-4-13 4955 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  UCR45342  Mentzelia jonesii Scott Cantrell 1986-3-28 81 Riverside Sonoran (Colorado) Desert, Box Canyon Road (Hwy 195), 4.8 mi. south of Interstate Hwy 10 toward Mecca 305 Comment
  UCR101459  Mentzelia laevicaulis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22228 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  JEPS26732  Mentzelia puberula Marjorie D. Clary 1936-3-20 2620 Riverside Road from Desert Center Rice; North Colorado Desert, Coxcomb Mountain 304 Comment
  UC1929951  Mentzelia veatchiana Scott D. White, Justin Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR275583  Mesembryanthemum nodiflorum T. B. Salvato 2005-6-13 605- 11 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
  UCR120852B  Microseris douglasii subsp. douglasii D. E. Bramlet 1993-4-14 2326 B Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  SEINET13276737 Image available Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-1 315 -27 Riverside Paloma Valley: Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. (Murrieta 7.5' Q.) 450 Comment
  RSA586495  Microseris heterocarpa D. L. Banks, S. D. Boyd 1995-5-9 0326 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
  RSA763053  Microseris heterocarpa E. W. Lathrop 1969-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR281247  Microseris heterocarpa Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 39 Riverside Temescal Valley, East side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail. 361 Comment
  UCR84878  Microseris lindleyi A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16123 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  CLARK-A1528-5241  Microseris linearifolia John C. Roos 1950-4-5 4721 Riverside Pigeon Pass 426 Comment
  SEINET8732073 Image available Mimetanthe pilosa Peter Kamb 1950-1 1932 Riverside Hall Canyon; San Jacinto Mts. 1646 Comment
  RSA0018783  Mimulus N. C. Cooper 1949-6-29 4345 Riverside Pine Cove. Comment
  SDSU10748  Mimulus aurantiacus D. Hunsaker 1962-4-10 Riverside 3 miles SSW from Temecula. Comment
  SDSU10753  Mimulus aurantiacus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
  RSA0030784  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-7-15 1554 Riverside Palms to Pine Hwy 1463 Comment
  UC943873  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 C Riverside Indian Canyon Truck Trail Santa Ana Mts. 853 Comment
  UCR233080  Mimulus aurantiacus var. pubescens T. B. Salvato, Richard Camacho 2011-6-12 5493 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR234758  Mimulus aurantiacus var. pubescens A. C. Sanders, John F. Green 2012-6-25 40313 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UCR252523  Mimulus aurantiacus var. pubescens J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  RSA442707  Mimulus aurantiacus var. puniceus Robert Gustafson 1983-4-18 2500 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UC1577079  Mimulus aurantiacus var. puniceus C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4728 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  UCR154448  Mimulus brevipes A. C. Sanders, Mike Misenhelter 2005-6-15 30959 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
  UCR87619  Mimulus brevipes A. C. Sanders 1994-5-30 14618 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR145962  Mimulus cardinalis June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR12597  Mimulus floribundus Bill Schultz 1972-4-30 720430- 10 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  SEINET9797064 Image available Mimulus fremontii Sharon McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  JEPS10473  Mimulus guttatus I. W. Clokey 1935-8-21 6906 Riverside Hemet Lake 1220 Comment
  UCR133108  Mimulus guttatus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA376134  Mimulus pilosus Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61278 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UC1374895  Mimulus pilosus Noel H. Holmgren and Liew Fah Seong 1969-6-17 3584 Riverside County road R1 at Black Mountain Turnoff (8.5 mi n of Idyllwild); San Jacinto Mountains Comment
  UC27087  Mimulus primuloides H. M. Hall 1897-1 708 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC388775  Minuartia douglasii Steve Boyd; Tim Ross; Dave Bramlet 1993-5-12 7340 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 426 Comment
  SEINET10845769  Mirabilis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12850 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SEINET10622384  Mirabilis californica Greg Gust, Leith Nye 2005-3-11 Gust 545 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  CLARK-A1656-640  Mirabilis froebelii Lois Ann Scott 1978-5-6 Riverside San Jacinto Mountains 1219 Comment
  RSA736160  Mirabilis laevis Rosemarie Zimmermann 1961-3-21 24 Riverside Mockingbird Canyon, 1/2 miles S of Mockingbird Road, 5 miles E of Arlington, alt 1400ft. Gavilan Hill (5miles to N), Lake Mathews Drainage 427 Comment
  SEINET3225532 Image available Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 204 Comment
  UCR176753  Mirabilis laevis Jennie Phui 1998-5-30 041 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  RSA0027991  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4085 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA60730  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona. Comment
  UC465723  Mirabilis laevis var. retrorsa E. E. Schellenger 1911-4-25 Riverside Point of Rocks, White Water River Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  CAS-BOT-BC434881  Mirabilis multiflora var. pubescens D. E. Breedlove 1961-9-11 1261 Riverside At Pinon Flats Campground along State Highway 74; Santa Rosa Mountains 1249 Comment
  UCR274218  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains, around the mouth of Martinez Canyon, c. 3.5 air miles southwest of Valerie 169 Comment
  JOTR31889  Mohavea confertiflora La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2139 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  SEINET3079860 Image available Mohavea confertiflora John Wear 1995-3-22 Riverside Colorado Desert: Chuckwalla Bench, upper Salt Creek wash W of Eagle Mountain (Kaiser) Railroad. 488 Comment
  UCR213263  Mohavea confertiflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37450 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SBBG69832  Mollugo cerviana R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  SBBG72006  Monardella australis R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns Comment
  UCR121211  Monardella lanceolata D. E. Bramlet 1989-5-19 1871 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  LA62738  Monardella linoides subsp. linoides Harlan Lewis; 1941-8-4 sn Riverside San Jacinto Mountains, Fire road E of Keen Maintenance Station Comment
  CAS-BOT-BC215497  Monardella nana Elizabeth McClintock 1941-7-15 115 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  UC1499874  Monardella nana Elizabeth McClintock 1940-7-21 29 Riverside Santa Rosa Springs Santa Rosa Mt. road Comment
  UC1499884  Monardella nana Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turn off to Anza Tablet. After crossing a narrow valley, passing a ranch house, crossing a sluggish stream and going through a second gate Comment
  RSA750391  Monardella nana subsp. arida C. Epling, H. Lewis 1942-6-17 s.n. Riverside Vanderventer Flats, on Pines to Palms Highway, Santa Rosa Mountains. Comment
  SEINET10582423  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 61 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  SEINET10582211  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 51 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  RSA679947  Monardella nana subsp. tenuiflora LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1114 Riverside Black Moutain Road (4501), southeast of Black Moutain & northwest of Fuller Mill Creek. 2043 Comment
  RSA750294  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 103 Riverside Black Mt. 0.5 mile beyond Black Mt. Spring. Comment
  SEINET10498928  Monardella nana subsp. tenuiflora David B. Dunn 1946-8-17 Dunn 2730 Riverside 1.4 mi w of hidden lake, san jacinto mts. Comment
  UCR121351  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24609 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  POM13770  Monolepis nuttalliana P. A. Munz 1922-4-30 5124 Riverside Lakeview. Comment
  POM13290  Monoptilon bellioides E. C. Jaeger 1921-4-12 141 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  POM363577  Monoptilon bellioides M. B. Dunkle 1933-3-4 3067 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM363587  Monoptilon bellioides F. R. Fosberg 1932-3-13 8095 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA678216  Monoptilon bellioides Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1083 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  SD5346  Monoptilon bellioides Fidella G. Woodcock 1926-3-14 Riverside Palm Springs Comment
  UC501449  Monoptilon bellioides Frank W. Peirson 1927-4-24 7899 Riverside Cottonwood Spring Comment
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Oct 9 2010
  RSA0124005  Muhlenbergia appressa Duncan S. Bell, Thomas Stoughton 2016-4-13 9246 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  HSC84169  Muhlenbergia microsperma B. G. Pitzer, L. F. LaPre 1987-3-2 432 Riverside Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi N of Bundy Canyon Road 703 Comment
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Nov 5 2010
  POM12146  Muhlenbergia microsperma Mary F. Spencer 1921-5-28 1695 Riverside Saboba Hot Springs Comment
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Apr 1 2013
  RSA552746  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6678 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
  RSA91746  Muhlenbergia rigens F. W. Peirson 1921-3-23 2373 Riverside Deep Canyon south of Coachella Valley 335 Comment
  SD137972  Muilla maritima Darin L. Banks, Steve Boyd 1995-5-3 269 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of Dripping Springs Alcove Area, along the lower alluvial benches of arroyo Seco. 512 Comment
  CLARK-A1528-3868  Myosurus minimus subsp. apus John C. Roos 1952-4-9 5515 Riverside Edgemont 487 Comment
  POM12434  Myosurus minimus subsp. apus P. A. Munz, D. M Johnston 1922-5-5 5162 Riverside March field Comment
  SD261013  Myosurus minimus subsp. apus John F. Green 2008-7-9 Riverside Peninsular Range: Menifee Valley, east of Briggs Rd and north of Holland Rd (Romoland 7.5'Q) 438 Comment
  SD217159  Myriopteris covillei Steve Boyd, Tim Ross & Laurel Arnseth 1990-3-30 3968 Riverside Vail Lake area, westerly draining canyon at north base of Big Oak Mountain 640 Comment
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Apr 17 2020
  RSA421096  Nama demissa N. R. Zabriskie, W. M. Zabriskie 1973-4-25 644 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  UCR279494  Nama demissa A. C. Sanders, Jim Malusa 2017-3-25 42992 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR233163A  Nama demissa var. demissa Jim Andre, Glenn L. Clifton 2011-2-22 17448 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA653585  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23173 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  RSA263722  Nassella cernua E. W. Lathrop 1966-5-26 6346 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA779931  Nassella cernua Marc Baker, Michelle Cloud-Hughes 2011-6-10 17360 Riverside Along Morris Ranch Road, 400 m north of Kenworthy Station, 4 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner VAlley, just east of Thomas Mountain 1418 Comment
  SEINET244817  Nassella lepida A. C. Sanders 2002-4-22 24991 Riverside The badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. Burnt chaparral. 670 Comment
  UC1146058  Nassella lepida C. L. Hitchcock and C. V. Muhlick 1964-3-17 23075 Riverside open knoll 8 mi se Corona (along road to Elsinore) Comment
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA623557  Navarretia fossalis R. E. Riefner 1998-10-15 98 -520 Riverside Menefee-Paloma Valley Comment
  UCR90770  Navarretia fossalis D. E. Bramlet 1993-5-16 2355 Riverside 6.0 km west of Hemet, 305 m north of Setson Ave. and 366 m west of Warren Rd. Site is found 640 m east of the MWD canal and 1.3 km south of Florida Ave 456 Comment
  UCSB60198  Navarretia fossalis Bramlet, D. 1992-5-15 Riverside 183 m W. of Davis Road; 213 m N. of Marvin Road 433 Comment
  POM14996  Nemacaulis denudata var. gracilis Mary F. Spencer 1922-3-28 1376 Riverside Mecca ?. -49 Comment
  SEINET3812582 Image available Nemacladus glanduliferus var. glanduliferus Robert F. Thorne, W. Wisura; A. Shmida; R. Whittatker 1978-4-23 52037 Riverside San Jacinto Mtns: Chino Canyon, Palms to Pines highway Comment
  RSA395896  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA586485A  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-5-9 0342 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
  UC29177  Nemacladus ramosissimus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA0006294  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern Base of Indio Mtn. Colorado Desert. 150 Comment
  RSA777419  Nemacladus tenuis var. aliformis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 780 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA421335  Nemophila menziesii Ora M. Clark 1929-3-2 163 Riverside Near Elsinore. Comment
  RSA751918  Nemophila menziesii Scott D. White, Justin M. Wood 2009-5-22 12921 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  SEINET7073387  Nemophila menziesii A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  SBBG35026  Nemophila spatulata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  RSA751270  Nicotiana attenuata A. C. Sanders 2008-7-25 35912 Riverside east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  CLARK-A1528-884  Nicotiana bigelovii C. M. Flanagan 1973-5-22 OO 903 Riverside Rubidoux 228 Comment
  SD122192  Nicotiana glauca James C. Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing 245 Comment
  UCR2978  Nicotiana glauca Wm. Horn Jr. 1963-3-11 630311- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, University of California campus, 50 yards north of Student Health Center 305 Comment
  JOTR35444  Nicotiana obtusifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 49 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  RSA784771  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR245238  Nicotiana obtusifolia Jim Andre 2012-3-19 21328 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR199613  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR275351  Nicotiana quadrivalvis T. B. Salvato, Melissa Clemons 2005-6-9 1494 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  JEPS62091  Nolina parryi W. L. Jepson 1901-5-25 1433 Riverside road from Van Deventer's to Coyote Creek Comment
  POM11513  Nolina parryi Philip A. Munz 1922-6-30 5928 Riverside Santa Rosa Mountains, south of Santa Rosa. 1768 Comment
  RSA703432  Notholaena californica A. C. Sanders, O. F. Clarke, P. Mackay, S. White, C. L. Sanders 1994-11-27 15869 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. 300 Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  UCR127350  Oenothera californica A. C. Sanders, D. Malueg 2003-5-8 26562 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  SEINET3092710 Image available Oenothera deltoides John Adams 1966-3-12 459 Riverside Cathedral City, corner of Palm Canyon and Araby. Comment
  UCR84980  Oenothera deltoides A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16216 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
  POM355577  Oenothera deltoides subsp. deltoides M. B. Dunkle 1935-3-19 4400 Riverside Desert Center. 610 Comment
  POM355587  Oenothera deltoides subsp. deltoides Malcolm M. Rice 1922-5-5 s.n. Riverside Colorado Desert; White Water. Comment
  RSA784235  Oenothera micrantha var. exfoliata J. D. Olmsted 1962-5-1 427 -B 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
  UCR41640  Oenothera primiveris A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6030 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SDSU13604  Olea europaea W. Miller, C. Mosse 1972-7-20 Riverside Along northern road, southwest of Shwanigan Ranch. Comment
  RSA698597  Oligomeris linifolia Calvert Norland 1930-5-18 s.n. Riverside Shavers Well. Comment
  UCD108100  Olneya tesota T. B. Salvato; A. C. Sanders, Mitch Provance 2000-4-18 49 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  RSA747839  Oncosiphon piluliferum Scott D. White, Justin M. Wood 2009-4-28 12617 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR177843  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  UCR234325  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-4-6 40005 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR241412  Oncosiphon piluliferum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7440 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCSB17810  Opuntia basilaris Gerhart, Janet 1963-4-6 Riverside 5.2 miles south of U.S. Highway 60-70 on mine road; 11.5 miles east of turnoff to Joshua Tree National Monument 396 Comment
  SEINET10447237  Opuntia echinocarpa A. Evans 1976-4-13 Evans 5170 Riverside Rocky slopes of santa rosa mtns. Comment
  POM314641  Opuntia phaeacantha G. R. Vasey 1880-1 s.n. Riverside San Jacinto Plains. Comment
  CAS-BOT-BC56908  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 19101 Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM284052B  Opuntia vaseyi Lyman Benson 1955-12-6 15620 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  UCR244920  Orobanche cooperi Jim Andre 2012-3-19 21366 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 1.2 mi. east of Hwy 177 184 Comment
  UCR240643  Orobanche fasciculata Tracy Tennant, Mitch Provance 1998-6-16 MOR- 431 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  RSA0072127  Orobanche ludoviciana var. latiloba Gary Wallace 1967-4-29 721 Riverside NE of the Coxcomb Mtns., 15 mi NE of Desert Center along Parker Dam Hwy. Comment
  RSA0083184  Orthilia secunda P. A. Munz 1922-9-6 6396 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  CLARK-A1528-871  Orthocarpus densiflorus Charlotte Stocks 1962-5-14 Riverside Anza Comment
  RSA722451  Oxalis corniculata Olive Van Meter s.n. Riverside Black Star Canyon. Comment
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Mar 5 2018
  UCR3410  Oxalis rubra H. M. Whistler 1963-5-10 640510- 03 Riverside University of California, Riverside campus housing area, at 3401 Avocado [St.]. 335 Comment
  SD22443  Oxytheca caryophylloides Susan G. Stokes Riverside San Jacinto Mt. Comment
  UC572580  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mi ne Keen Camp; San Jacinto Quad. 1615 Comment
  CAS-BOT-BC327893  Palafoxia arida L. R. Abrams 1926-3-26 11028 Riverside Palm Springs Comment
  CAS-BOT-BC327934  Palafoxia arida Paul F. Covel 1938-4-20 1181 Riverside Palm Springs Junction Comment
  CDA14250  Palafoxia arida G. F. Hrusa, J. A. Hart 1993-4-4 10597 Riverside Cholla Garden, Joshua Tree N.M. Comment
  SFV7072  Palafoxia arida T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 772 Riverside Along US Highway 95 in Big Wash at east end of county. 116 Comment
  POM31647  Palafoxia arida var. arida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA80968  Palafoxia arida var. arida G. R. Campbell 1952-4-6 18417 Riverside Box Canyon, road leading from Hwy 60-70 to Salton Sea. 457 Comment
  UC583283  Palafoxia arida var. arida Lewis S. Rose 1936-1-1 36003 Riverside L. A. Aqueduct Road 15 mi n Indio; Colorado Desert 304 Comment
  UC665749  Palafoxia arida var. arida Ira L. Wiggins 1941-3-24 9573 Riverside slopes along eastern side of sea 2.7 mi s Mortmar; Salton Sea Comment
  UCR260887  Palafoxia arida var. arida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41426 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  VVC1457  Palafoxia arida var. arida A. C. Sanders 1996-11-23 19655 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA395362  Papaver californicum Steve Boyd 1986-4-22 1735 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA612688  Papaver californicum D. L. Banks 1997-3-29 1610 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
  RSA92743  Papaver californicum J. C. Roos 1952-5-19 5692 Riverside On hills north of Moreno. Comment
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May 20 2011
  RSA737261  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR91998  Parkinsonia aculeata Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  JOTR32325  Parkinsonia florida Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  SFV1800  Parkinsonia florida A. Thompson 1959-4-10 s. n. Riverside Palm Desert. About 4 miles froum Palm Desert toward Desert Museum Sanctuary. Comment
  UCR196357  Parkinsonia florida Naomi Fraga, Lisa Rojas 2005-2-10 1383 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  SFV1799  Parkinsonia microphylla F. D. Adair 1959-6-9 s. n. Riverside Palm Springs Wildlife Sanctuary. Comment
  UCR93098  Pectis papposa F. M. Reed 1929-11-6 6636 Riverside Sonoran (Colorado) Desert, mouth of Fish Trap Canyon, south of Indio 46 Comment
  SD255104  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  RSA586093  Pectocarya linearis subsp. ferocula D. L. Banks, S. D. Boyd 1995-4-5 134 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, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  RSA525688  Pectocarya penicillata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4559 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR174067  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32630 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
  RSA703375  Pectocarya platycarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1437 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR241799  Pectocarya platycarpa A. C. Sanders, Ann Howald 2013-2-28 40562 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  JOTR32910  Pectocarya recurvata La Doux, Tasha, Jim Andre 2009-2-28 351 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  UCR41526  Pectocarya recurvata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6020 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  LA209456  Pedicularis densiflora L. Street; M. Munger, G. Williams 1919-3-25 2327 Riverside Beaumont 609 Comment
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Mar 20 2014
  RSA401954A  Pedicularis densiflora Ora M. Clark 1929-4-7 2035 Riverside South of Aguanga Comment
  UCR16845  Pedicularis densiflora Robert A. Clark 1966-3-19 031966- 05 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive 6 miles from entrance off Chase Ave., Corona 762 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
  SD153020  Pellaea mucronata subsp. mucronata Steve Boyd, Tim Ross 1992-5-5 7220 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  JOTR30784  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  RSA228803  Pellaea mucronata var. mucronata Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 612 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  UC809637  Pellaea mucronata var. mucronata Philip A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs; Colorado Desert, w end Eagle Mts 1097 Comment
  JEPS3111  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside on State Highway No. 71, 3 mi e Temecula; e of Temecula Comment
  RSA97019  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-4 444 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  JEPS7547  Penstemon clevelandii var. connatus M. French Gilman 738 Riverside Pinyon Flats Santa Rosa Mts., Pinyon Flats Comment
  JOTR30254  Penstemon clevelandii var. mohavensis Leary, C. and Leary, Pat 1979-5-6 3025 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  UCR25029  Penstemon grinnellii A. C. Sanders 1980-8-21 1772 Riverside San Jacinto Mtns, Along Devil's Slide Trail above Idyllwild 2256 Comment
  UCR23246  Penstemon pseudospectabilis John C. Roos 1958-2-22 s.n. Riverside Chuckwalla Mtns., Canyon 2.5 mi S.E. of Desert Center Comment
  SD229291  Penstemon rostriflorus Dick Schwenkmeyer 2011-8-25 653 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA0120467  Pentagramma triangularis Duncan S. Bell 2016-4-16 9304 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  HSC47345  Peritoma arborea R. W. Spjut, Judy Adams 1978-11-22 5236 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  UCR148333  Peritoma arborea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  JOTR32153  Perityle emoryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2308 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA480022  Perityle emoryi Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2153 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SEINET4568271 Image available Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC170161  Perityle emoryi E. E. Schellenger 1894-12-5 85 Riverside Chuckwalla Bench Colorado Desert, Chuckwalla Bench Comment
  CAS-BOT-BC167756  Petalonyx thurberi K. Larson 1976-6-10 2036 Riverside ~30 mi E. of Indio S. of Chiriaco Summit Comment
  JEPS41242  Petalonyx thurberi Jos. Burtt Davy 1902-4-7 8050 Riverside Salton Comment
  SD67610  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. Frequent in washes and on the desert floor. Comment
  RSA777402  Peucephyllum schottii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 835 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR279243  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-1-14 42656 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  SEINET7907969  Phacelia D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris and Lake Elsinore 488 Comment
  SEINET7907970  Phacelia D. A. Johnson 2005-1 Riverside Between Coachella and S entrance to Joshua Tree Nat'l Park, S of Interstate 10. 914 Comment
  RSA425997  Phacelia ambigua M. B. Dunkle 1937-3-25 4913 Riverside Southeast of Indio. Comment
  RSA427698  Phacelia campanularia N. C. Cooper 1944-4-8 1086 Riverside Andreas Canyon. 305 Comment
  SEINET3158082  Phacelia campanularia S. B. Parish 1907-4-16 6132 Riverside western border of the Colorado Desert 350 Comment
  SJSU6024  Phacelia campanularia R. C. McGehee 1970-4-28 229 Riverside 0.5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR120601  Phacelia campanularia Steven R. Hill 2001-5-3 33660 A Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  POM99023  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1926-4-26 s.n. Riverside Eagle Mts, 30 miles E of Mecca Comment
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Sep 7 2011
  UCR144754  Phacelia cicutaria var. hispida Scott D. White, Michael Honer 2003-4-2 8907 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  HSC28423  Phacelia crenulata Richard Spjut 1973-4-6 3269 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  JEPS4095  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside alluvial slopes 3 1/2 mi e Coachella Comment
  RSA658623  Phacelia crenulata var. ambigua Trudy R. Ericson 1975-4-26 295 Riverside 2.8 mi. on jeep road which intersects Shivers Wells Road 28mi. east of Mecca on north side of paved road. 366 Comment
  RSA777727  Phacelia crenulata var. ambigua Jim Andre, G. L. Clifton 2011-2-22 17434 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UCD120369  Phacelia crenulata var. ambigua P. C. Everett; E. K. Balls 1958-4-29 23011 Riverside U.S. Hwy. 60/70, Indio to Blythe, 6.5 mi. e. from jct. with U.S. Hwy. 99. 243 Comment
  JOTR34034  Phacelia distans La Doux, Tasha, M. Harding 2010-4-7 2919 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA336185  Phacelia distans Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52040 Riverside Just E of Palm Desert. Comment
  RSA49391  Phacelia distans P. A. Munz 1949-4-11 13022 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  UCR276659  Phacelia distans Jim Andre 2015-3-6 33572 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  SBBG41383  Phacelia imbricata J. T. Howell 1927-8-2 Riverside Idyllwild, Strawberry Valley Comment
  UCR24946  Phacelia imbricata A. C. Sanders 1980-7-18 1643 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA510314  Phacelia minor Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  SDSU12857  Phacelia minor Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998A Riverside Creekbed due south of SDSU Santa Margarita Field Station, ca. 1000 feet southwest on road to switchback bend, then ca. 800 feet northeast down to creekbed. 238 Comment
  UCR6185  Phacelia minor Martha Hofmann 1967-5-12 s.n. Riverside S of Corona, off Hwy 71 between El Cerrito and Cajalco Road west of Temescal Road and east of Hwy 71. Comment
  UC68789  Phacelia neglecta H. M. Hall 1905-5-1 5955 Riverside near Paloverde; Colorado Desert 91 Comment
  RSA78725  Phacelia pedicellata P. A. Munz 1952-4-15 17342 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  UCR98690  Phacelia ramosissima 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
  UCSB16948  Phacelia rotundifolia Otey, D. 1963-5-5 Riverside 10.8 miles southwest of Palm Desert on State Highway 74 914 Comment
  RSA0057658  Philadelphus microphyllus var. stramineus P. A. Munz 1938-8-14 15392 Riverside Santa Rosa Mountains, ridge east of Toro Peak. 2439 Comment
  UCR77766  Pholistoma racemosum Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6131 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  CAS-BOT-BC135111  Phoradendron californicum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  LA209832  Phoradendron californicum O. A. Plunkett; 1930-3-28 sn Riverside between Indio and Palm Springs Comment
  RSA668001  Phoradendron californicum C. R. Annable 1995-3-15 2281 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  SFV17321  Phoradendron californicum J. N. Hogue, J. D. Dilley 1998-4-23 108 .4 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC748989  Phoradendron californicum Susan Delano McKelvey 1935-12-6 5035 Riverside between Cottonwood Mts. and Mecca Comment
  UC848865  Phoradendron californicum N. Dunn and A. M. Martin 1932-3-26 Riverside Shavers Well Comment
  RSA612368  Phoradendron villosum D. L. Banks, Joe Moreno 1997-2-5 1254 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  SEINET4567399  Phoradendron villosum R. L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA423821  Physalis crassifolia J. Jones, Christopher Davidson 1980-4-4 9934 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  SBBG97167  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  UC494680  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UCR144084  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside San Gorgonio Pass, Beaumont, 'Oak Valley Golf Course 793 Comment
  SD229029  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 809 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UCSB147  Pinus quadrifolia Cline, C. 1960-5-15 Riverside 0.2 miles West of Hwy. 74 toward Anza 1066 Comment
  UCR156297  Pityrogramma triangularis T. B. Salvato, Kent Beaman 2005-5-16 844 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
  UCR107706  Pityrogramma triangularis var. triangularis A. C. Sanders 1997-3-1 19735 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR171979  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR225727  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-30 38900 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR44159  Plagiobothrys canescens A. C. Sanders 1986-6-1 6566 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR225445  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38850 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR234278  Plagiobothrys collinus A. C. Sanders 2012-4-12 40023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR239800  Plagiobothrys collinus O. F. Clarke 2006-4-15 s.n. Riverside Peninsular Range, Riverside; south side of UCR campus, hills by water tank 401 Comment
  RSA587423  Plagiobothrys collinus var. fulvescens D. L. Banks, S. D. Boyd 1995-6-2 567 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  SD247372  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman and Jeff Crain 2015-4-6 41568 Riverside Peninsular Range: Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15. 370 Comment
  UCR157464  Plagiobothrys collinus var. fulvescens A. C. Sanders 1994-5-30 14614 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  OBI33569  Plagiobothrys fulvus A. C. Sanders & T. Glenn, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mts, 5 mi (airline) SW of Murrieta 610 Comment
  UCR237630  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-10 840 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 Comment
  UCR38139  Plagiobothrys jonesii J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  SD133149  Plagiobothrys stipitatus var. micranthus A. C. Sanders, Rey and D. Willick 1991-4-19 10927 Riverside Edgemont area east of Sycamore Canyon 466 Comment
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Apr 5 2007
  UCR107411  Plagiobothrys tenellus B. G. Pitzer 1997-3-23 2966 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
  UCR87662  Plagiobothrys tenellus A. C. Sanders 1994-5-29 14575 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SDSU21874  Plagiobothrys undulatus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3991 Riverside Santa Rosa Plateau Ecological Reserve, near boardwalk overlook. Approximately 1.1 km east of parking area for vernal pool trail, parking lot ca. 4 miles north on road from Visitor's Center. 624 Comment
  RSA761688  Plantago Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 704 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC224912  Plantago erecta A. C. Sanders; T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR171727  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR91997  Plantago lanceolata Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
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Feb 17 2013
  JEPS22513  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6196 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  RSA402035  Plantago ovata var. fastigiata M. B. Dunkle 1932-3-25 2902 Riverside Near Cathedral Canyon 152 Comment
  RSA698378  Plantago ovata var. fastigiata W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  SD215599  Plantago ovata var. insularis W. Wisura, J Dolan and M Wall 1992-3-24 4626 Riverside 7.7 miles northeast of Mecca on Box Canyon Road. Comment
  UC1931135  Plantago patagonica Scott D. White, Justin Wood 2008-6-17 12193 Riverside San Jacinto Mountains: Morris Ranch road - open area west of Goff Flat (Palm View Peak) Comment
  UCR167982  Plantago patagonica T. B. Salvato, John F. Green 2004-5-27 643 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
  POM19843  Platanthera leucostachys Mary F. Spencer 1923-7-18 2263 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA494648  Platanus racemosa B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  RSA543736  Platystemon californicus Steve Boyd, Mike Hammitt 1991-5-2 6071 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
  RSA691063  Platystemon californicus Scott D. White, Michael Honer 2003-4-9 8981 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR27198  Platystemon californicus Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  UCR102894  Platystemon californicus var. californicus A. C. Sanders 1997-3-26 20102 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR79225  Plectritis ciliosa subsp. insignis Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6761 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Trail from junction with Morgan Trail S to Pigeon Spring area 793 Comment
  JEPS70532  Pleuraphis rigida W. L. Jepson 1912-10-28 5241 Riverside in the wash near Riverside Mts.; along the Colorado River, near Riverside Mts. 45 Comment
  UC68949  Pleurocoronis pluriseta H. M. Hall 1905-5-1 5992 Riverside hills near Indio; Colorado Desert Comment
  UCR22088  Pluchea purpurascens Steve Boyd 1980-9-22 356 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  CAS-BOT-BC326543  Pluchea sericea Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 484 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 609 Comment
  RSA748218  Pluchea sericea G. Gust, L. Nye 2005-3-10 534 Riverside City limits of Lake Elsinore on River bank just off of Auto Center Dr., N of junction with Diamond Dr. 400 Comment
  RSA93084  Pluchea sericea F. W. Peirson 1918-03 1298 Riverside Palm Springs. Comment
  UCR105432  Poa annua A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20702 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  RSA562114  Poa annua Steve Boyd 1992-4-14 6792 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA567198  Poa bigelovii F. M. Reed 1920-3-24 9187 Riverside Murray Canyon 213 Comment
  RSA783398  Poa fendleriana J. D. Olmsted 1962-6-23 5290 Riverside SE San Bernardino Mts: Along trail to Calelectric water intake on S. fk. Whitewater River. Comment
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Feb 24 2013
  POM263182  Poa pratensis J. C. Roos 1937-8-18 466 Riverside Round Valley, San Jacinto Mountains. Comment
  CAS-BOT-BC237698  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-21 310 Riverside Near Observation Point on Highway 74 701 Comment
  RSA770686  Poa secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4790 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR23303  Poa secunda John C. Roos 1952-4-2 5453 Riverside Edgemont, near Box Springs 488 Comment
  RSA571317  Polycarpon depressum Steve Boyd, D. L. Banks 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA575919  Polygala cornuta var. fishiae Steve Boyd 1994-10-14 8378 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  UCR217659  Polygala cornuta var. fishiae Diane Menuz, Joe Veverka 2007-8-2 334 Riverside Santa Ana Mountains, Temecula Canyon, Santa Margarita Ecological Reserve, 2km north of San Diego County line and 3.75 km west of Hwy I-15, 300 m upstream of sharp bend in the Santa Margarita River, near the intersection of a tributary to the southeast. 222 Comment
  SBBG61503  Polygonum aviculare M. N. Ackley 1927-3-13 883 Riverside Coral Reef Ranch -9 Comment
  UC56641  Polygonum lapathifolium H. M. Hall Aug. 1901 Riverside Vicinity of Riverside 304 Comment
  UCR26247B  Polygonum punctatum John C. Roos 1937-8-23 1784 Riverside San Jacinto Mtns, north base of Mt. San Jacinto, Snow Creek 762 Comment
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Apr 22 2012
  UC2026433  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 MILES NNE OF PALO VERDE: Avenue 32 & Rannells Blvd. Comment
  SDSU21791  Polypogon maritimus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3987 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  SBBG53740  Polypogon monspeliensis S. Boyd 1980-4-13 Riverside Harford Springs County Park, NW corner of the Gavilan plateau Comment
  UCR44465  Polystichum imbricans subsp. curtum A. C. Sanders 1986-6-1 6551 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA771107  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4727 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  RSA736580  Porophyllum gracile Keith E. Hoffmaster 1934-4-8 153 Riverside Santa Ana Mts. Comment
  UCR194230  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  RSA0099589  Portulaca oleracea Duncan S. Bell, Evan Meyer 2014-10-28 s.n. Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA788878  Potamogeton diversifolius Gary D. Wallace 2003-7-8 4046 Riverside Hidden Lake. Comment
  HSC24915  Potentilla gracilis var. fastigiata D. H. Wilken 1965-6-29 371 Riverside Strawberry Meadows, near Idyllwild 1555 Comment
  RSA0005686  Potentilla hassei H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC356220  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 1066 Comment
  UCR103739  Proboscidea louisianica A. C. Sanders 1997-11-20 21620 Riverside Lake Skinner Reserve area, along road (on cut) on E side of Lake Skinner near Multispecies Reserve Headquarters 457 Comment
  RSA0014807  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco Rd., 0.2 mi E of its intersection with Clark St. (Old Elsinore Rd.) Comment
  CSUSB1139  Prosopis glandulosa K. A. Lamb 1968-4-21 680421 2 Riverside 1 mile east of Mecca, Highway 195. Roadside, Alkali Sink. Comment
  CAS-BOT-BC206977  Prosopis glandulosa var. torreyana W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Comment
  UCSB28886  Prosopis glandulosa var. torreyana Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  SEINET10487642  Prosopis pubescens Billy Joe Cox 1975-10-10 Cox 4218 Riverside Palo Verde, 1-3 km W, (ca 32 km S of Blythe); creosote desert scrub; andy and gravelly entisols. 70 Comment
  UC218102  Prunus fasciculata A. Gilman 1922-4-10 Riverside Morongo Pass Comment
  UCR39192  Prunus fasciculata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 204 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, at the west side of the main canyon c. 0.5 miles north of Indian Ave. 503 Comment
  UCR4035  Prunus fremontii Val Chase 1965-3-7 8 b Riverside Peninsular Range/Sonoran (Colorado) Desert, 15 miles south of Palm Desert on the Palms to Pines highway 1067 Comment
  SDSU9174  Prunus ilicifolia subsp. ilicifolia W. T. Williams 1962-5-12 Riverside San Jacinto Mts. Highway between Hemet and Idyllwild. 3000 ft. marker East side of roadside 10 ft. 914 Comment
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Nov 10 2008
  CAS-BOT-BC151206  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning, San Jacinto Mts. 1371 Comment
  CAS-BOT-BC356341  Psathyrotes ramosissima Fay A. Mac Fadden 1936-3-21 14465 Riverside Northeast shore Salton Sea Comment
  RSA472314  Psathyrotes ramosissima M. B. Dunkle 1933-3-4 3035 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA0065465  Psathyrotes ramosissima David B. Dunn 1947-7-12 2976 Riverside Pushawalla Canyon Indio Hills. Comment
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  CAS-BOT-BC376153  Pseudognaphalium californicum L. Nye; G. Gust 2005-3-11 62 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA617801  Psilocarphus brevissimus R. E. Riefner 1998-9-11 98 -502 Riverside Chino Fault, Corona Comment
  RSA689438  Psorothamnus arborescens var. simplicifolius Scott D. White, Michael Honer 2003-5-13 9238 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Nov 27 2012
  CAS-BOT-BC353618  Psorothamnus emoryi Geo. B. Grant 1906-4-20 6725 Riverside Palm Springs Comment
  CAS-BOT-BC353645  Psorothamnus emoryi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  SBBG32414  Psorothamnus emoryi L. S. Rose 1959-1-9 Riverside Palm Desert 30 Comment
  UCR130872  Psorothamnus emoryi A. C. Sanders, K. C. Rose 1999-5-28 22795 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 4 Comment
  UCSB28384  Psorothamnus emoryi Blakley, E. 1961-9-10 Riverside 20 miles west of Blythe at desert wash crossing of U.S. Highway 60-70 106 Comment
  CAS-BOT-BC340923  Psorothamnus schottii H. M. Hall 1905-4-1 5758 Riverside Colorado Desert. Palm Springs 152 Comment
  HSC66542  Psorothamnus schottii Christopher Davidson 1979-4-4 7690 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  UCR86207  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  CAS-BOT-BC72618  Pteridium aquilinum Carl B. Wolf 1932-8-4 3911 Riverside San Jacinto Mts., Point View, near Idyllwild 1645 Comment
  UC729515  Pteridium aquilinum var. pubescens Carl B. Wolf 1932-5-25 3664 Riverside mouth of e fork of Snow Creek Canyon; n base San Jacinto Mts 670 Comment
  RSA262103  Pterostegia drymarioides E. W. Lathrop 1969-5-8 7012 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA543741  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6035 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
  SD136777  Punica granatum Steve Boyd 1994-10-14 8394 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, at confluence with Bluewater Canyon 1079 Comment
  JOTR35439  Purshia tridentata var. glandulosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 45 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  RSA0080589  Pyrola dentata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1441 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  CAS-BOT-BC61823  Quercus agrifolia Samuel B. Parish 1891-11-4 2253 Riverside Murrieta Comment
  UCR174133  Quercus agrifolia A. C. Sanders, T. B. Salvato 2006-6-2 33083 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA476867  Quercus agrifolia var. agrifolia E. Fitzgerald 1929-05 s.n. Riverside Idylwild, San Jacinto Mts. Comment
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Mar 29 2014
  SD167108  Quercus agrifolia var. agrifolia A. C. Sanders 2005-8-12 31551 Riverside San Jacinto Mountains; western edge of Vandeventer Flat along Highway 74. 1433 Comment
  UCR158949  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31544 Riverside San Jacinto Mtns., lower Bautista Canyon, 1.1 mi. above Forest Service boundary, 3.2 miles above retention dam at mouth 744 Comment
  RSA559450  Quercus berberidifolia Steve Boyd, T. S. Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR82765  Quercus berberidifolia A. C. Sanders, D. R. Schramm, D. Wappler 1994-10-6 15779 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  UCR162623  Quercus chrysolepis S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR26358  Quercus chrysolepis A. C. Sanders, J. A. Harpel 1981-8-26 2330 Riverside Santa Rosa Mtns., Virgin Spring 2348 Comment
  NY201962  Quercus cornelius-mulleri J. B. Walker 1995-5-3 1408 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  RSA592673  Quercus cornelius-mulleri Scott D. White, Duayne Haselfeld 1996-7-2 4265 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
  UCR60925  Quercus cornelius-mulleri Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3739 Riverside Peninsular Range, Vail Lake area, S flank of Oak Mountain, north of the lake 549 Comment
  UCD46037  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area N of Murrieta. Ca. 1.5 mi NW of intersection of Antelope Road and Hwy I-15, and due N of intersection of Nutmeg and Jackson Streets. 396 Comment
  UCR273964  Quercus engelmannii Mitch Provance 2012-4-27 412- 32 B Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  JOTR30768  Quercus john-tuckeri La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1883 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 5) near Quail Springs, Smith Water Canyon 1161 Comment
  UCSC001110  Quercus kelloggii Peter Kamb 1947-5-17 519 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  RSA654163  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCR111510  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22277 Riverside San Jacinto Mtns., Hwy 74 in Garner Valley (eastern), 2.7 mi. NW of Hwy 371 junction to Anza, Pine Meadow area, 0.8 mi. NW of Devil's Ladder Rd. 1402 Comment
  UCR135728  Quercus wislizeni Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9035 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR169493  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 592 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CLARK-A1528-2914  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mountains 518 Comment
  UCR174365  Rafinesquia californica A. C. Sanders 2006-5-19 32410 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
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  UCR214562  Rafinesquia neomexicana A. C. Sanders 2010-3-15 37410 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  PASA2620  Ranunculus aquatilis M. Stason 1931-5-24 Riverside Pond near Hurkey Creek Camp, Hemet Valley Comment
  UC1931199  Ranunculus aquatilis Scott D. White, Justin Wood 2008-7-9 12442 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  POM99003  Ranunculus californicus E. C. Jaeger 1926-3-27 s.n. Riverside Coahuila, Riverside. Near the Indian Reservation Comment
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Nov 6 2011
  RSA482865  Raphanus sativus N. C. Cooper 1944-5-21 1272 Riverside San Jacinto Mountains, West side 915 Comment
  RSA180358  Rhamnus crocea E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  SD225089  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  SEINET3930658  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79.; 0 Comment
  UCR94264  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  LA207824  Rhamnus crocea subsp. ilicifolia W. E. Pequegnat; 1939-4-8 19 Riverside Santa Ana Mountains Comment
  CAS-BOT-BC56050  Rhamnus ilicifolia I. M. Johnston 1930-6-15 3790 Riverside Lost Palms Canyon, above Anschutz Well, Eagle Mts. Comment
  SD229248  Rhamnus ilicifolia Dick Schwenkmeyer 2012-3-26 672 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCR154841  Rhamnus ilicifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29282 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UCR53758  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 18 Riverside Southern Mojave Desert, Near Split Rock, Joshua Tree National Monument Comment
  UC18585  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA761271  Rhododendron occidentale Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 761 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB25310  Rhododendron occidentale Gliessman, Stephen 1968-7-11 Riverside 0.6 mile south of Little Round Valley on the Deer Springs Trail, San Jacinto Mountains 2895 Comment
  CAS-BOT-BC200029  Rhododendron occidentale var. californicum S. B. Parish; W. F. Parish 1882-6-1 303 Riverside San Jacinto Mt. Comment
  UCR89658  Rhus aromatica Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  JOTR01103  Rhus aromatica Cole, James E. 1941-5-23 775 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1280 Comment
  POM8688  Rhus ovata P. A. Munz, Harwood 1920-2-28 3263 Riverside 2 mi. southwest of Corona. 305 Comment
  SBBG133570  Rhus ovata S. D. White, A. Carey, L. Archa 2004-8-5 10684 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  SD71843  Rhus ovata Helen V. Witham 1969-7-2 213 Riverside Sandia Creek, on road from DeLuz to Murietta. 299 Comment
  CAS-BOT-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 Comment
  CAS-BOT-BC108719  Ribes cereum Louis C. Wheeler 1931-10-3 237 Riverside 1.5 mile north Tahquitz Peak, San Jacinto Mountains. 2514 Comment
  RSA472816  Ribes cereum George R. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto summit. 3294 Comment
  CAS-BOT-BC173135  Ribes indecorum A. J. McClatchie 1892-5-20 s.n. Riverside [Canon] Canyon of St. Rosa Mts., near Elsinore Lake Comment
  CLARK-A1528-4132  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  HSC20371  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi. N of Pala along road to Elsinore Comment
  RSA489177  Ribes indecorum B. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  CAS-BOT-BC168946  Ribes malvaceum Steve Boyd 1981-3-13 186 Riverside Gavilan Hills region, western flank of Estelle Mountain in steep canyon at the border of NW 1/4 sec. 5 and NE 1/4 sec. 6 609 Comment
  LA205484  Ribes malvaceum D. Birindelli; S. Medry 1969-3-9 sn Riverside NW side of Mt. Jacinto 1219 Comment
  UC455588  Ribes montigenum I. J. Condit 1910-6-23 Riverside summit San Jacinto Mt. 3291 Comment
  SFV20141  Ribes nevadense J. N. Hogue, J. M. Wrublik 2000-5-30 153 .1 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  RSA660907  Romneya trichocalyx Mitch Provance 1998-5-29 557 Riverside NW side of North Hill, along the S edge of Lake Evans. 274 Comment
  RSA667028  Rorippa sphaerocarpa A. C. Sanders, Mitch Provance 1999-9-26 23096 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  RSA449714  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA761751  Rubus parviflorus Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 645 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA783124  Rumex J. D. Olmsted 1959-4-17 424 Riverside 3 miles north of Elsinore on Highway 71 in weedy area on east side of road 335 Comment
  UCR125221  Rumex crispus Mitch Provance 1998-5-29 558 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 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
  RSA528094  Rumex hymenosepalus Scott D. White 1991-4-10 91 -61 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  RSA0042752  Rumex hymenosepalus Unspecified s.n. Riverside San Gorgonio River Bridge near Cabazon Comment
  POM153372  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11245 Riverside North end of Lake Elsinore. Comment
  HSC80300  Rumex salicifolius Steve Boyd 1985-7-23 1015 Riverside De Luz Rd., 8 mi. W of Rancho California, Sandia Creek 305 Comment
  UCR194222  Rumex salicifolius Scott D. White, Angelia Carey 2004-6-4 10480 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  SEINET269161  Rumex violascens Chet McGaugh 1996-4-26 Riverside Hemet 0.25 miles west of State Street between Esplande and Cottonwood. Comment
  RSA78777  Rupertia rigida Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17276 Riverside Just W of junction of Hwy 74 and road to Anza, south of Idyllwild 1372 Comment
  CAS-BOT-BC500429  Salazaria mexicana A. C. Sanders; Jim Malusa 2015-3-11 41410 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  UC7469  Salicornia subterminalis H. M. Hall 1899-6-2 Riverside near Perris (along San Jacinto River); San Jacinto River Comment
  RSA770892  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4595 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC469391  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  UC483065  Salix exigua F. R. Fosberg 1932-3-13 8077 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  JOTR30774  Salix exigua var. exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  LA208625  Salix exigua var. exigua N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  CAS-BOT-BC108111  Salix gooddingii C. Epling; J. Ewan 1933-6-1 s.n. Riverside South shore Lake Elsinore Comment
  UCR139631  Salix gooddingii A. C. Sanders 2004-6-30 28400 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  CLARK-A1528-4054  Salix hindsiana var. leucodendroides John C. Roos 1937-5-23 617 Riverside Riverside Comment
  JOTR35495  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  RSA714656  Salix laevigata A. C. Sanders, Guy Bruyea 2004-4-2 27408 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  UC914225  Salix laevigata Charles B. Fiker 1946-4 3365 Riverside s of Temecula bridge (Hwy. 395) Comment
  RSA0010974  Salix laevigata H. de Forest 1933-4-16 17607 Riverside Chino Canyon. Colorado Desert Comment
  POM319101  Salix lasiolepis Patricia Wilder 1971-3-20 4910 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UCR21837  Salix lasiolepis 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
  SD119919  Salsola tragus Louis B. Ziegler 1976-6-20 549 Riverside Vacant land and borders in the San Jacinto Valley. 470 Comment
  RSA501031  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3151 Riverside Agua Tibia Mountains. Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  RSA606300  Saltugilia australis Jon E. Keeley 1994-4-22 25332 Riverside Shipley Reserve. 590 Comment
  UCR108493  Saltugilia australis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16183 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  RSA0094957  Saltugilia australis Ira W. Clokey, Edward Anderson 1935-4-16 6830 Riverside East of Hemet. 600 Comment
  POM49157  Salvia apiana Charlotte M. Wilder 1905-06 627 Riverside Wilder's Canyon, Jurupa Hills. Comment
  RSA585815  Salvia apiana D. L. Banks, Steve D. Boyd 1995-5-9 349 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
  UCR139646  Salvia apiana A. C. Sanders 2004-6-30 28387 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
  SD241861  Salvia carduacea Jay Walker, R. C. Walker 2004-4-15 jbw 3092 Riverside S of Hemet, 1.4 mile S of Gibbel Road about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mile SSE of Hemet Butte, S of mouth of Avery Canyon. Comment
  HSC101579  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  IRVC2083  Salvia columbariae Jim Pierce 1965-4-7 none Riverside Blythe. Sonoran Desert Comment
  JEPS62682  Salvia columbariae Marjorie D. Clary 1932-3-20 1585 Riverside Mission Creek Colorado Desert (n side of Colorado Desert) 457 Comment
  RSA525281  Salvia columbariae Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4595 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR177398  Salvia columbariae Marisa Sripracha, K. A. Boyd 2004-3-21 051 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR251346  Salvia columbariae S. J. Myers 2014-5-21 1069 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR27197  Salvia columbariae Marlyce Myers 1980-4-28 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 518 Comment
  UCR4171  Salvia columbariae R. H. Sauer 1965-4-7 s.n. Riverside Box Springs Mtns., just east of [railroad] tracks c. 0.25 mi. south of end of Big Springs Road, Riverside. 366 Comment
  UCR91665  Salvia columbariae D. L. Banks, Steve Boyd 1995-4-5 0133 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 610 Comment
  SEINET7972640  Salvia columbariae I. W. Clokey 1935-4-17 6875 Riverside Cottonwood Springs. Comment
  CAS-BOT-BC221087  Salvia eremostachya L. Haines; L. Erickson 1937-4-10 s.n. Riverside Palms-to-Pines Highway near road to Shumay [Shumway] Comment
  UCLA70163  Salvia greatae Hall and Greata 1905-4-22 5848 Riverside Canyon Springs Wash; Dos Palmas; Canon Springs Wash, Riverside Co. Comment
  RSA434100  Salvia leucophylla E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  CAS-BOT-BC229984  Salvia mellifera Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  RSA701496  Salvia mellifera M. Wall 1996-1-8 127 Riverside Foothill S of Beaumont off Hwy 79 (Lamb Cyn.), 1.1 mi S of 10 Fwy, just past California Ave., W side of hwy. 610 Comment
  SD67912  Salvia pachyphylla subsp. pachyphylla Reid Moran 1968-8-3 15359 Riverside Ridge 1 mile northwest of Toro Peak 2250 Comment
  JOTR34015  Salvia vaseyi La Doux, Tasha, M. Harding 2010-4-7 2902 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  CAS-BOT-BC414253  Salvinia minima R. E. Riefner, Jr. 2011-10-16 11 -142 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  RSA471419  Sanicula arguta Robert Gustafson 1983-4-18 2506 Riverside Clinton Keith Road, about 5 miles from its junction with Highway 15, eastern slopes of Santa Ana Mountains, Santa Rosa Plateau. 549 Comment
  UCR137474  Sanicula bipinnatifida D. L. Banks 1997-4-5 1692 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
  UC1611580  Sanicula tuberosa Steve Boyd, Tim Ross 1993-3-23 7908 Riverside s of Vail Lake (at n base of Agua Tibia Mtn, Agua Tibia Wilderness Area, Cleveland National Forest, extending s from end of Woodchuck Road); Palomar Range, Agua Tibia Mtn, Cleveland National Forest 731 Comment
  UCR91064  Sarcodes sanguinea Joan Callahan 1996-6-3 s.n. Riverside San Jacinto Mtns, southern Idyllwild, 26281 Lookout road, near Marion View Rd. 1616 Comment
  UCR161404  Sarcostemma cynanchoides A. C. Sanders, Mike Misenhelter 2005-9-20 31686 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  JOTR29559  Sarcostemma hirtellum Andre, Jim, Tasha LaDoux 2006-4-11 6733 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UC566924  Sarcostemma hirtellum H. L. Mason 1928-3-10 4216 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  UCR41841  Sarcostemma hirtellum A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6066 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA0042170  Schismus arabicus Duncan S. Bell, Evan Meyer 2014-4-2 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA784781  Schismus arabicus Duncan S. Bell 2012-3-18 3185 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SD258843  Schismus arabicus Sarah J. De Groot, Thomas Stoughton 2016-2-18 7615 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon 181 Comment
  RSA793417  Schismus barbatus Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3946 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SD146082  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 548 Comment
  RSA595319  Schismus barbatus D. L. Banks, Victor Steinmann 1996-4-20 882 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; On a NE trending ridge, NW of the Administration Cabin. 530 Comment
  UCR201873  Schoenoplectus americanus Justin M. Wood 2008-9-22 152 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR20373  Schoenoplectus americanus John C. Roos, L. Roos 1952-6-10 5762 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  CAS-BOT-BC140674  Scirpus acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA740828  Scrophularia californica Scott D. White, Justin M. Wood 2008-7-8 12387 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  RSA425198  Scrophularia californica subsp. floribunda Christopher Davidson 1975-6-16 2801 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  RSA0026266  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 kilometers NNW Upper San Juan Campground. 536 Comment
  UCR193422  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35641 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
  UCR202605  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12414 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  CAS-BOT-BC341103  Scutellaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument Comment
  LA102320  Scutellaria mexicana John C. Roos; 1958-9-27 sn Riverside Santa Rosa Mountains, Carrizo Creek near Black Hill 914 Comment
  CAS-BOT-BC69807  Selaginella bigelovii Ivan Johnston 1917-4-4 1044 Riverside Palm Canyon, Colorado Desert. 304 Comment
  OBI8327  Selaginella bigelovii David J. Keil, Malcolm McLeod 1977-3-26 K 12027 Riverside 0.7 mi. W of juctn. with Riverside county Rd. R-3 (to Hemet) along Calif. Rt. 79 Comment
  RSA683705  Selaginella bigelovii Mary V. Hood 1945-3-27 s.n. Riverside Verdugo Ranch near Aguanga, Riverside -San Diego Co line. 610 Comment
  UCD135975  Selaginella bigelovii L. S. Rose 1935-12-18 s.n. Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 243 Comment
  UCR48495  Selaginella bigelovii Steve Boyd 1985-12-24 1195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SD67907  Selaginella watsonii Reid Moran 1968-8-3 15356 Riverside 1 mile northwest of Toro Peak 2250 Comment
  SD82568  Selaginella watsonii Louis C. Wheeler 1931-10-3 Riverside San Jacinto Mountain, Tahquitz Peak 2620 Comment
  CAS-BOT-BC363486  Senecio californicus Philip A. Munz No date on label 15663 Riverside Whitewater Canyon, 2 miles north of Indio - Banning boulevard Comment
  UCR162266  Senecio californicus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  RSA38716  Senecio douglasii var. monoensis P. A. Munz 1946-10-20 11584 Riverside Cottonwood Springs, eastern end of Joshua Tree National Monument 1098 Comment
  CAS-BOT-BC323991  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Roadside at Cabezon, San Gorgonio Pass.. 518 Comment
  CDA8634  Senecio flaccidus var. douglasii T. C. Fuller 1958-9-23 2199 Riverside R. 79, 2 miles west of Aguanga. 0 Comment
  UCR179205  Senecio flaccidus var. douglasii Mitch Provance, Tracy Tennant 1998-6-16 MOR- 381 Riverside San Bernardino Mtns., Morongo Indian Reservation, mouth of Millard Canyon 671 Comment
  UC575024  Senecio flaccidus var. monoensis C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Wells; Little San Bernardino Mts. Comment
  SBBG8768  Senecio mohavensis H. and M. Dearing 1942-3-10 4827 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  RSA501017  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3136 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
  SBBG82057  Senna covesii J. M. Stewart 1985-3-16 8503 Riverside Martinez Cyn 259 Comment
  POM243656  Sesbania exaltata E. C. Jaeger 1938-10-30 s.n. Riverside Mecca Comment
  UC665776  Sesuvium verrucosum Ira L. Wiggins 1941-3-24 9582 Riverside 3.5 mi s of Mortmar (along eastern margin of Salton Sea); Salton Sea Comment
  UCD97028  Sesuvium verrucosum T. B. Salvato; A. C. Sanders, Mitch Provance 2000-4-18 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  UCR126421  Setaria adhaerens T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  UCR39399  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  RSA0001999  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mts., Elsinore Peak area south of Lake Elsinore, on Onion Hill, a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 1012 Comment
  HSC86949  Sidalcea malviflora B. Pitzer, E. Misquez 1988-2-28 630 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  UCR102845  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UC1949955  Sidotheca trilobata R. F. Thorne, W. Wisura, D. Mitchener 1982-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. Comment
  RSA85405  Silene antirrhina J. C. Roos, L. Roos 1952-4-28 5590 Riverside Box Springs Mtns. 396 Comment
  UCR20803  Silene antirrhina A. C. Sanders 1980-5-14 01457 Riverside N side of Agua Tibia Mountains; Cleveland Nat. Forest., Dripping Springs 610 Comment
  SBBG54320  Silene gallica C. Davidson 1977-5-25 5642 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  CAS-BOT-BC174883  Silene laciniata H. M. Hall 1901-6-1 2303 Riverside San Jacinto Mountains. In canyons of the west side Comment
  CHSC223  Silene laciniata subsp. laciniata E. Thomas 1940-5-26 Riverside Comment
  JEPS50991  Silene parishii Carl V. Meyer 1928-7-31 608 Riverside near summit Tahquitz Peak; Sn Jacinto Mt., near summit of Tahquitz Peak 2682 Comment
  POM47162  Silene parishii var. viscida P. A. Munz, I. M. Johnston 1924-7-27 8763 Riverside North side of high rock. Dark Canyon, San Jacinto Mts. 2409 Comment
  RSA206257  Silene parishii var. viscida Reid V. Moran 1968-8-3 15369 Riverside NE slope 1 mile west of summit, Santa Rosa Mts.; Near 33 12 N, 116 28 W 2150 Comment
  RSA0086985  Silene platyota Fred M. Roberts 2003-6-25 5936 Riverside Santiago Peak, old road near Orange County line, ca. 150 m N jct. with Main Divide Truck Trail, 0.5 km north summit. 1633 Comment
  CAS-BOT-BC205632  Simmondsia chinensis James R. Shevock 1986-3-23 11354 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  UC1130464  Simmondsia chinensis A. Lewis 1933-2-1 144 Riverside Round Mountain; San Jacinto Quad., Round Mountain Comment
  UC635582  Simmondsia chinensis Herbert L. Mason 1926-5-1 3188 Riverside Aguanga Valley Comment
  UCR178561  Simmondsia chinensis R. G. Swinney 1967-3-12 0082 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, north side, south of Desert Center 366 Comment
  CAS-BOT-BC75039  Sisymbrium altissimum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway. Mount San Jacinto. Comment
  JOTR32361  Sisymbrium altissimum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2476 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UCR177650  Sisymbrium altissimum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail on slope above Juan Diego Flats, toward Reed Valley, NW of Cahuilla Mountain 1250 Comment
  UCSB2432  Sisymbrium altissimum Sturdy, C. 1957-4-20 Riverside 15 mi. east of Coachella on Rt. #60 121 Comment
  UCD115451  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside Riverside, vacant lot on the N side of Spruce Street between Rustin and Canyon Crest Streets. 304 Comment
  CSUSB553  Sisymbrium irio Leland R. Dykes 1962-4-1 17 Riverside White Water Canyon Road, 4.5 miles north of US 60 Comment
  UCR116712  Sisymbrium irio Helen Kennedy, Sara Mills 2001-3-17 5390 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCR25983  Sisymbrium orientale John C. Roos 1952-4-9 5471 Riverside Riverside, E base of Mt. Rubidoux 274 Comment