Search Results — 2000 specimen records retrieved (1884 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73599  Abies concolor J. R. Bell 1902-1-1 s.n. Riverside Tahquitz Valley, San Jacinto Mts. Comment
  CAS-BOT-BC229316  Abronia villosa Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC389743  Abronia villosa M. Danielson 1963-12-23 s.n. Riverside Beginning of dirt road into Tahquitz Canyon Comment
  CLARK-A1528-3256  Abronia villosa John C. Roos 1946-9-14 3017 Riverside San Jacinto Mountains 1371 Comment
  RSA0040167  Abronia villosa Sarah J. De Groot, April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  SEINET7923626 Image available Abronia villosa H. F. Thut 1971-3-15 Riverside 6 miles east of Palm Sprirgs, Calif. Comment
  UC912625  Abronia villosa H. L. Mason 1928-3-10 4193 Riverside Whitewater River Comment
  SEINET3133246  Abronia villosa var. aurita R. W. Spellenberg, D. Jackson 1972-5-19 2822 Riverside 7 mi E of downtown Hemet on Hwy 74 579 Comment
  SEINET946021  Abronia villosa var. aurita Robert L. Rutherford 1944-1 1592 Riverside Palms to Pines Highway. 1463 Comment
  UCR256328  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  GMDRC7787  Abronia villosa var. villosa J. M. Andre 2015-3-6 33546 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  RSA782338  Abronia villosa var. villosa Jim Andre, G. L. Clifton 2011-2-22 17467 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  UCR161372  Abronia villosa var. villosa Mark A. Elvin 2005-4-25 4220 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  RSA683199  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  CDA33575  Acacia greggii Mike Lahti 2010-5-3 PDR# 1358701 Riverside Palm Desert off Hwy 74. Comment
  CAS-BOT-BC30912  Acamptopappus sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  LA210544  Acamptopappus sphaerocephalus Harlan Lewis; 1935-4-6 1160 Riverside Palm Springs 152 Comment
  SBBG7490  Acamptopappus sphaerocephalus var. hirtellus C. H. Muller 1953-3-21 146 Riverside Whitewater Cyn Comment
  RSA416160  Acamptopappus sphaerocephalus var. sphaerocephalus Ora M. Clark 1929-2-22 1549 Riverside N. of White water, Colorado desert, So. Calif. Comment
  SBBG7491  Acamptopappus sphaerocephalus var. sphaerocephalus H. and M. Dearing 1939-12-31 4044 Riverside N of Palm Springs Comment
  CDA28089  Achnatherum coronatum F. J. Willmarth 1962-9-7 Riverside San jacinto Mts.; Garner Ranch, Idyllwild Rd. 0 Comment
  UC40029  Achnatherum coronatum H. M. Hall June, 1901 2078 Riverside vicinity of Chalk Hill 1463 Comment
  UCD50319  Achnatherum coronatum Frank W. Gould 1943-4-17 2128 Riverside 12 miles S of Corona on road to Elsinore. Comment
  RSA577747  Achnatherum hymenoides F. M. Reed 1927-3-19 5671 Riverside Salt Creek Wash, east of Mecca 213 Comment
  OBI8298  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12056 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 213 Comment
  RSA797564  Achyronychia cooperi Baker, Michelle Cloud-Hughes 2011-12-18 17501 Riverside 67km WNW of Blythe, 17km west of Palen Pass, 27km NNE of Desert Center 175 Comment
  SD227785  Achyronychia cooperi Scott D. White, Pam Devries 1998-2-9 6080 Riverside La Quinta/Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  SEINET3156335  Achyronychia cooperi Unknown 1906-5-1 11 -6707 Riverside collected on Colorado desert at Palm Springs Comment
  UCR167389  Achyronychia cooperi 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
  RSA0056197  Achyronychia cooperi Keith E. Hoffmaster 1935-3-31 581 Riverside Palm Springs. Comment
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  UCD104280  Acmispon rigidus R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway between Hemet and Idyllwild. Comment
  HSC24974  Adenophyllum porophylloides Richard Spjut 1972-2-1 2167 Riverside Colorado Desert; N face of the Chuckawalla Mountains 305 Comment
  RSA0034641  Adenophyllum porophylloides Scott D. White 2001-4-3 8263 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET3005005  Adenophyllum porophylloides G. Rink 2011-4-5 10434 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  CAS-BOT-BC139859  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC139863  Adenostoma sparsifolium Carl Epling 1931-10-4 s.n. Riverside On road between Hemet and Strawberry Valley, San Jacinto Mts. Comment
  UC859042  Adenostoma sparsifolium I. W. Clokey and E. G. Anderson 1935-8-21 6674 Riverside w. Keen Camp P.O. 1200 Comment
  UCR94066  Agave deserti subsp. deserti Scott D. White, D. Haselfeld 1996-7-2 4253 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  CLARK-A1528-7824  Agrostis scabra John C. Roos 1937-8-18 494 Riverside San Jacinto Mountains Comment
  SBBG59488  Agrostis stolonifera R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  RSA554329  Alchemilla arvensis Joe Di Bernardo 1992-4-16 92 -2 Riverside Coachella Valley, Palm Desert. Comment
  UCR79217  Alchemilla occidentalis Steve Boyd 1992-4-14 6815 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area. Western edge of Oak Flats Area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side Bluewater Canyon 793 Comment
  SD70778  Aliciella latifolia David B. Dunn 1948-2-21 3672 Riverside Pushawalla. Comment
  RSA656537  Aliciella latifolia subsp. latifolia A. C. Sanders 2000-4-25 23356 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  JEPS22520  Allionia incarnata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6190 Riverside 9.4 mi n of Blythe (at western base of the Big Maria Mountains); Big Maria Mountains 167 Comment
  RSA462625  Allionia incarnata Robert Gustafson 1980-4-3 1527 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  UC2015645  Allionia incarnata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16079 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  CAS-BOT-BC247  Allium cratericola Philip Alexander Munz; Ivan Murray Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mts 1417 Comment
  UCR49270  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  RSA545777  Allium munzii L. Arnseth 1990-5-11 7 Riverside Gavilan Hills. 0.8 mi. E. of Arroyo del Toro. 488 Comment
  POM184740  Allium parishii C. L. Hitchcock 1932-4-9 12226 Riverside White Tanks, Joshua Tree National Monument, East Riverside Comment
  RSA673549  Allium peninsulare Scott D. White, Tasha LaDoux 2000-4-20 7703 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR156480  Allium peninsulare Jason L. Hlebakos 2005-5-3 622 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  POM1672  Allium peninsulare var. peninsulare E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  UC1537191  Allium praecox Gordon H. True Jr. 1935-2-20 8 Riverside Box Springs, mouth of Sycamore Canyon Sycamore Canyon, Box Springs 365 Comment
  CHSC271  Almutaster pauciflorus E. Thomas 1940-7-18 Riverside Palm Canyon. 243 Comment
  SDSU12237  Alnus rhombifolia Shasta Gaughen, M. G. Simpson 2000-4-29 10 Riverside Comment
  UCR138611  Alnus rhombifolia D. L. Banks 1996-11-7 1189 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  UCR251961  Alnus rhombifolia Max Brodie 2014-4-6 03 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  VVC2245  Aloysia wrightii Jim Andre, T. La 2008-9-16 10685 Riverside Southern Mojave Desert, Joshua Tree National Park; Bell Mtn ca. 0.3 mi N of radio tower 1360 Comment
  SEINET10481952  Alyssum alyssoides Tilforth 1980-6-10 TILFORTH 1995 Riverside Common perennial at all elevations in this area but more abundant at 6700 ft, Masses in open sunny places among pinus jeffreyi. Ca 1/2 mi. S of thomas mt. Campground, at summit of thomas mt. Rd., W of hwy 74 and s of lake hemet. 2042 Comment
  JOTR35022  Amaranthus albus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3120 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  UCR92271  Amaranthus albus Scott D. White 1995-8-23 3564 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC527700  Amaranthus fimbriatus C. B. Wolf 1931-10-14 Riverside 0.5 mi below Fish Hatchery (Snow Creek, n base of the San Jacinto Mts.); San Jacinto Mts., Snow Creek 548 Comment
  RSA650127  Ambrosia J. G. Page 1949-2-1 s.n. Riverside Colledted 30 mi. East of Blyth. Comment
Read comments
Mar 27 2014
  RSA737123  Ambrosia acanthicarpa Justin M. Wood 2008-10-15 189 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR146497  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  JOTR30065  Ambrosia dumosa La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1695 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  RSA703807  Ambrosia dumosa LeRoy Gross 2005-3-3 1602 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SEINET735848  Ambrosia dumosa L. R. Landrum 1998-12-24 9367 Riverside West Palm Springs exit of Hwy 10 across street from Motel 6 in small remnant of desert vegetation. Comment
  UCR227425  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 152 Riverside Little San Bernardino Mountains, north of Desert Center, junction of Hwy 177 and Kaiser Road west of Kaiser Road, north of Hwy 177 335 Comment
  RSA775105  Ambrosia ilicifolia Duncan S. Bell, Michael Hee 2011-3-18 2048 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA777764  Ambrosia ilicifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1085 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  CAS-BOT-BC273000  Ambrosia salsola Cecil Hart 1927-3-30 s.n. Riverside Moronga Valley near Whitewater Comment
  UCD166243  Ambrosia salsola Jack Major 1962-4-17 777 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  SEINET10797864  Ambrosia salsola Billy Joe Cox 1975-4-23 Cox 4138 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe), Riverside-Imperial counties. 70 Comment
  JEPS39439  Ambrosia salsola var. salsola L. M. Newlon 1926-4-2 421 Riverside highway between Westmorland and Indio Comment
  UC480978  Ambrosia salsola var. salsola unknown May 1 1906-May 10 1906 Riverside desert at Palm Springs; Colorado Desert Comment
Read comments
Apr 17 2011
  UC724141  Ambrosia salsola var. salsola Aven and Ruth Nelson 1939-3-22 3220 Riverside near Palm Springs Comment
  UCD80959  Ambrosia salsola var. salsola Chuck Hughes 2009-3-23 56 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UC217996 Image available Amelanchier utahensis P. A. Munz and I. M. Johnston 1922-5-20 5488 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
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Mar 25 2011
  LA204904  Amorpha fruticosa Leo Boyd; 1953-5-24 sn Riverside 11 mi. SW of junction of CA highways 74 and 111, on highway 74 Comment
  CDA40436  Amsinckia eastwoodiae K. Frick 1962-3-14 s.n. Riverside South end of Hemet Valley. 0 Comment
  RSA0089608  Amsinckia intermedia D. L. Banks, S. D. Boyd 1995-5-3 242 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD239634  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38808 Riverside Peninsular Rangte: Perris-Aguanga Basin Region: Menifee Valley between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 433 Comment
  UCR112524  Amsinckia intermedia Mitch Provance 1998-2-13 9 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR158315  Amsinckia intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30054 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
  UCR140314  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR172614  Amsinckia retrorsa A. C. Sanders, John F. Green 2006-5-18 32370 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  RSA0091468  Amsinckia tessellata Steve Boyd, Sara Meury, Richard Noyes, Laurel Arnseth, D. Nordin, Tim Ross 1988-3-10 2150 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  JOTR30962  Amsinckia tessellata var. tessellata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1937 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA778231  Amsinckia tessellata var. tessellata Duncan S. Bell 2009-3-8 36 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA191392  Anagallis arvensis Robert F. Thorne 1967-10-27 6674 Riverside 5 mi. NW of Murrieta, Santa Rosa Ranch. Comment
  SD146104  Andropogon glomeratus var. scabriglumis A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19657 Riverside San Bernardino Mountains, Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain; White Water 7.5' quad. Rocky canyon. In moist sand at the edge of the stream. 534 Comment
  CAS-BOT-BC400336  Anemopsis californica Robert F. Thorne; E. Lathrop 1969-6-6 39340 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  CDA37845  Anemopsis californica Mike Lahti 2012-7-18 PDR# 1590492 Riverside Winchester; near the intersection of Washington St. and Keller Rd. 0 Comment
  RSA503858  Anemopsis californica N. C. Cooper 1949-6-1 3958 Riverside Elsinore. 457 Comment
  UCR34900  Anisocoma acaulis L. B. Ziegler 1969-4-21 351 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  CDA3367  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside North of 1012 Spruce Street, Riverside. Comment
  POM48634  Antennaria rosea Mary F. Spencer 1919-6-25 1219 Riverside Tacquitz Meadow, San Jacinto Mt. 2378 Comment
  UCR104174  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area, roadside of Simpson Ave. <1 mi. west of intersection with Winchester Rd. 445 Comment
  UCR280835  Anthemis cotula T. B. Salvato, Gregg Miller 2005-6-3 1371 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA708156  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside Indian Creek and adjacent slopes. 549 Comment
  POM29600  Antirrhinum coulterianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA192076  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 -b Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  SDSU10433  Antirrhinum coulterianum Greg Snyder 1962-5-12 Riverside On South side of Hwy 115 at the entrance sot San Bernardino National Forest. Comment
Read comments
Mar 30 2014
  UCR7107  Antirrhinum cyathiferum Lloyd Tevis 1968-2-9 s.n. Riverside Sonoran (Colorado) Desert, S of Palm Desert, Coyote Wash at junction with Deep Canyon Wash on Deep Canyon Floodplain 274 Comment
  JOTR32149  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
  UCR158132  Antirrhinum kelloggii A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30100 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
  CLARK-A1528-840  Antirrhinum nuttallianum Fred B. Essig 1967-5-7 Riverside Box Springs Mountains Comment
  UC1929409  Antirrhinum nuttallianum Scott D. White 2004-4-26 10259 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCR103919  Antirrhinum nuttallianum B. G. Pitzer 1997-4-11 3115 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  RSA522741  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3848 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Cyn and adjacent benches on S flank of Big Oak Mountain 396 Comment
  SEINET7882510 Image available Apiastrum angustifolium Jean Coulson 1959-1 144 Riverside San Jacinto Mts, 8.1 mi N of Pine cove on Idyllwild Banning road Comment
  SD144082  Apocynum cannabinum G. Ballmer, K. Stockwell 1996-6-1 Riverside E of Murrieta: Warm Springs Creek ca. I(c) way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  SDSU13348  Apocynum cannabinum Joseph Verfaillie, Shasta Gaughen 2000-4-29 48 Riverside Santa Margarita Eclogical Reserve, (SDSU) The north side of the Santa Margarita river about 1/4 mile west of the pipe line crossing. About 5-15 feet from the river. 235 Comment
  SEINET1908447  Arabis glabra A. C. Sanders, Mitch Provance 2008-1 35821 Riverside Peninsular Range; San Jacinto Mtns,: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trials, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  POM293087  Arabis pulchra Lyman Benson 1946-4-15 12033 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCR18483  Arabis pulchra A. C. Sanders 1978-6-11 00219 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UC848841  Arceuthobium campylopodum I. W. Clokey and E. G. Anderson 1935-8-21 6574 Riverside Idlewilde-Banning 1650 Comment
Read comments
Mar 21 2011
  RSA0128447  Arceuthobium cyanocarpum R. L. Mathiasen, C. M. Daugherty 2009-8-5 0928 Riverside North slope of Tahquitz Peak. 0.4 km west of the jct. of the Tahquitz Peak Trail and the Tahquitz Valley Trail above the trail to Tahquitz Peak. 2640 Comment
  SEINET2117589  Arceuthobium cyanocarpum R. L. Mathiasen, C M. Daugherty 2009-8-5 09 -27 Riverside North slope of Tahquitz Peak. 0.3 km west of the jct. of the Tahquitz Peak Trail and the Tahquitz Valley Trail along the trail to Tahquitz Peak. 2620 Comment
  RSA629177  Arctostaphylos Jon E. Keeley 1992-7-16 16676 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA629383  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15082 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629367  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16819 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  RSA629423  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16846 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA192299  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-2 6047 Riverside 12 miles NW of Murrieta, Skyline drive road at junction of Wildomar & Los Alamos truck trails. 426 Comment
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Jan 1 2007
  UC922081  Arctostaphylos glandulosa subsp. zacaensis Frank W. Gould 1943-4-18 2134 Riverside mt. slopes 8 mi e Idlewild Comment
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Sep 29 2011
  RSA631762  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15068 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631768  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16520 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA631795  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16507 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA633577  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20109 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633704  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
  RSA633735  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16631 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  UCD105733  Arctostaphylos pringlei subsp. drupacea K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 15 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  UCD53745  Arctostaphylos pungens Richard Bates 1949-5-21 s.n. Riverside Along rail to Tahquitz Peak; San Jacinto Mtns. Comment
  RSA636033  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19541 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA210979  Argemone munita C. W. Tilforth 1969-7-25 218 Riverside Terwilliger Road. Terwilliger Valley, se of Anza Comment
  CAS-BOT-BC137658  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside Base of the mountains north of Mecca. Comment
  RSA676257  Aristida adscensionis Scott D. White 2001-4-3 8232 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA718572  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1891 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  RSA727089  Aristida adscensionis Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC572299  Aristida adscensionis H. S. Yates 1937-3-23 6448 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  UCR256346  Aristida adscensionis Duncan S. Bell 2011-12-30 3035 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  POM96836  Aristida adscensionis var. modesta F. M. Reed 1926-5-8 5324 Riverside Rocky hill near [Good Hope] Mine. Comment
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Jul 30 2006
  SEINET4342621  Aristida californica N. D. Atwood 1993-3-27 17690 Riverside Sandy benches above and adjacent to coast. Corona Del Mar State Park along Newport coast Drive 30 Comment
  UCD56512  Aristida purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley, Gilman Hot Springs. Comment
  UCR2162  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 152 Comment
  UCR58440  Aristida purpurea var. nealleyi A. C. Sanders 1989-9-20 9513 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  UCR2173  Aristida purpurea var. purpurea F. M. Reed 1906-7-8 1129 Riverside Plains near the Salt Lake RR, West Riverside Comment
  RSA0124743  Aristida purpurea var. wrightii Duncan S. Bell, LeRoy Gross 2016-3-9 8842 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA295237  Artemisia californica N. R. Zabriskie, W. M. Zabriskie 1972-12-25 548 Riverside On Trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 915 Comment
  JEPS49056  Artemisia dracunculus Lewis S. Rose 1966-12-14 66105 Riverside 3 mi w of Palm Springs; Chino Canyon 670 Comment
  RSA692227  Artemisia dracunculus Scott D. White 2003-10-9 9823 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR127581  Artemisia ludoviciana D. E. Bramlet 2003-4-18 3377 Riverside Base of San Jacinto Mtns., at old facility site, 2,439m south of Cabazon, 2,043m northwest of Cabazon Peak, and 213m northwest of the Colorado River Aqueduct 548 Comment
  CAS-BOT-BC93732  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2297 Riverside Tahquitz Canyon, San Jacinto Mts. 182 Comment
  RSA189420  Artemisia ludoviciana subsp. albula L. S. Rose 1966-12-14 66106 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  SD43533  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1095 Comment
  UCR149415  Arundo donax S. J. Myers 1996-6-6 s.n. Riverside Santa Ana River Valley, Santa Ana River, c. 0.5 mi west of Rubidoux Nature Center Comment
  SBBG87638  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside head of Bee Cyn along Bee Cyn Rd, 1.7 mi above the mouth of the cyn at the San Jacinto River valley 792 Comment
  SBBG14403  Asclepias erosa E. R. Blakley 1961-9-12 4706 Riverside 20 mi W of Blythe at wash crossing of US Hwy 60-70 106 Comment
  CDA39816  Asclepias subulata W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  UCD121362  Asclepias subulata Geoffrey Levin 1975-12-7 659 Riverside Painted Canyon, about 9 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sink drainage area. 76 Comment
  UCR82887  Asclepias subulata A. C. Sanders, S. White & C. Sanders 1994-10-9 15829 Riverside San Bernardino Mtns., Mission Canyon Road 520 Comment
  UCR18598  Asphodelus fistulosus O. F. Clarke 1974-2-28 s.n. Riverside UC Riverside Botanic Garden Comment
  RSA0061163  Asphodelus fistulosus Robt. Allen 2009-4-3 s.n. Riverside Santa Ana Mountains region: Near community of El Cariso. Along South Main Divide Road, 515 air meters(0.32 air miles) southeast of junction with Ortega Hwy (SR74). 843 Comment
  CAS-BOT-BC65781  Aspidotis californica Munz; Harwood 1920-2-28 3236 Riverside 2 mi S.E. of Corona 274 Comment
  UC68624  Astragalus aridus H. M. Hall Apr., 1905 5826 Riverside near Indio (Colorado Desert); , near Indio 0 Comment
  UCR198167  Astragalus aridus Michael Honer, Dave Silverman 2005-3-18 2101 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  POM299592  Astragalus didymocarpus var. dispermus E. C. Jaeger 1945-4-15 s.n Riverside 5 miles East of Garnet. 213 Comment
  RSA415490  Astragalus douglasii var. parishii M. B. Dunkle 1933-7-20 s.n Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA801812  Astragalus douglasii var. parishii LeRoy Gross, Caitlin Elam 2013-5-21 6106 Riverside West edge of Pine Cove. Between Pine Cove and Red Hill Road(5S10). 1784 Comment
  UC1128784  Astragalus douglasii var. parishii H. S. Yates 1937-6-27 6717 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  UCR35360  Astragalus filipes L. B. Ziegler 1972-5-17 456 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1418 Comment
  RSA719067  Astragalus lentiginosus Michael Honer 2005-3-18 2100 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  CAS-BOT-BC187103  Astragalus lentiginosus var. borreganus John Thomas Howell 1928-3-11 3439 Riverside Six miles south-east of Garnet Station, Coachella Valley Comment
  CAS-BOT-BC187118  Astragalus lentiginosus var. borreganus L. R. Abrams 1926-3-26 11118 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  UCR97747  Astragalus lentiginosus var. borreganus Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  RSA6117  Astragalus lentiginosus var. coachellae C. B. Wolf 1932-5-25 3685 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  RSA0029320  Astragalus lentiginosus var. variabilis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4692 -E 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
  CAS-BOT-BC192757  Astragalus palmeri S. B. Parish 1914-3-30 9096 Riverside San Felipe, Colado Desert Comment
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Aug 6 2019
  CAS-BOT-BC194164  Astragalus palmeri P. A. Munz; D. Keck 1922-4-13 4935 a Riverside Eagle Mts., Colorado Desert Comment
  RSA308354  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3029 Riverside Santa Rosa Mountains. 1220 Comment
  JEPS54786  Astragalus pomonensis W. L. Jepson 1901-5-17 1250 Riverside Florida [E-W street in Hemet] , Florida (San Jacinto Valley) Comment
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Jul 5 2010
  UC863012  Astragalus pomonensis C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  UCR37709  Astragalus sabulonum A. C. Sanders, J. M. Stewart 1985-3-24 5408 B Riverside Western Colorado Desert, Coachella Valley, flats along Box Canyon Rd. (Hwy 195), 2.5 mi east of Mecca, 0.7 mi east of Grant Street -15 Comment
  JOTR35473  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 76 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1463 Comment
  RSA0006863  Astragalus tricarinatus Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  RSA415845  Astragalus tricarinatus Ralph Hoffmann 1929-9-13 s.n. Riverside Colorado Desert, Riverside. Comment
  RSA801718  Astragalus trichopodus Keith E. Hoffmaster 1937-6-6 797 Riverside San Jacinto mountains, near Hemet Lake Comment
  UC1417534  Atrichoseris platyphylla J. L. Strother 1973-3-23 1155 Riverside route 195 east of Mecca Comment
  UCSB6375  Atrichoseris platyphylla Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  POM318799  Atriplex canescens Patricia Wilder 1971-9-29 5282 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  UC7053  Atriplex canescens H. M. Hall June 1901 2003 Riverside San Jacinto Valley Comment
  SD80077  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-10-31 325 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  OBI60302  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-1 Riverside Comment
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Dec 9 2014
  RSA696717  Atriplex lentiformis J. R. Bruff 1927-10-8 1 -C Riverside Thousand Palms. Comment
  RSA0104081  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  POM319681  Atriplex rosea Patricia Wilder 1970-10-15 4750 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
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Sep 26 2009
  HSC80295  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  CDA2957  Atriplex suberecta J. C. Roos 1965-10-17 Riverside 20 miles west of Blythe. 0 Comment
  RSA602490  Atriplex suberecta P. J. MacKay 1996-10-3 23 Riverside Menifee Valley: SE corner of Hwy 215 and Newport R., adjacent to Newport, gully behind Ralph s shopping center. 434 Comment
  RSA785197  Atriplex suberecta D. E. Bramlet 1996-5-4 2461 Riverside San Jacinto Valley, San Jacinto Wildlife Area, 300m SW of Pond No. 1, and c. 1 km NE of the reserve entrance at Davis Road 433 Comment
  SEINET238672  Atriplex suberecta A. C. Sanders, Mitch Provance; T. B. Salvato 2000-4-18 23331 Riverside Coachella Valley: along Tyler St. south of I-10 E of Indio and N of Coachella. Comment
  RSA612727  Atriplex suberecta H. C. Stutz 1989-1-18 9557 Riverside 1/2 mile E of Perris. Comment
  RSA0063034  Avena barbata Andrew Haimov, April Sleigh 1992-5-19 92 Riverside 1 1/2 miles east of Davis Road, next to reclaimed water storage site, San Jacinto Wildlife Area. Comment
  UCR232797  Avena fatua John F. Green 2008-4-16 0408- 40 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  IRVC503  Baccharis brachyphylla R. H. Whittaker, W. A. Niering 1963-6-1 SJ 126 Riverside Palms to Pines Hwy, slope NE-30 degrees; open, very rocky, gneiss-gabbroic soil, suffrutescent desert Santa Rosa Mountains 915 Comment
  SEINET959644  Baccharis douglasii G. K. Helmkamp, E. A. Helmkamp 2004-1 8769 Riverside Southern Central Coast: Surf, NW of Lompoc (Surf 7.5) 9 Comment
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May 17 2014
  IRVC523  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  POM50389  Baccharis salicifolia W. W. Eggleston 1924-3-10 19541 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  UCR34877  Baccharis salicifolia L. B. Ziegler 1967-9-18 248 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  CAS-BOT-BC99821  Baccharis sarothroides Carl B. Wolf 1932-10-13 4310 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  SEINET899324  Baccharis sarothroides C. B. Wolf 1932-1 4298 Riverside Pinyon Wells, Little San Bernandino Mts. (Conchilla Mts.) 1219 Comment
  CAS-BOT-BC99875  Baccharis sergiloides Geo. B. Grant 96 -6746 Riverside Palm Springs Comment
  LA202997  Baccharis sergiloides Louis Wheeler; 1933-12-1 2292 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  UC893735  Baccharis sergiloides Carl B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  SD229076  Bahiopsis parishii Dick Schwenkmeyer 2012-5-22 714 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC724347  Baileya pleniradiata Aven Nelson, Ruth A. Nelson 1939-3-30 3339 Riverside between Mecca and Blythe, hwys 60 and 70 Comment
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Feb 3 2011
  UCR79222  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  RSA92398  Bebbia juncea F. W. Peirson 1920-12-28 5282 Riverside Murray Canyon near Palm Springs Comment
  CLARK-A1528-1369  Beloperone californica John C. Roos 1949-4-11 4233 Riverside Chuckwalla Mountains Comment
  RSA550477  Bergia texana D. E. Bramlet 1992-5-15 2286 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approximately 790 m. west of Davis Road. 433 Comment
  RSA557321  Bergia texana Julie Greene, S. D. Boyd, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1432 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  UCR113587  Bidens laevis A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  RSA594786  Bloomeria crocea Darin L. Banks, Dylan Hannon 1996-5-3 981 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SEINET7072854  Bloomeria crocea A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UC3230  Bloomeria crocea Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Mountains Comment
  POM305718  Boechera californica Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1021 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA798842  Boerhavia coulteri Duncan S. Bell, Amanda Bell, Evan Bell 2012-10-7 4343 Riverside Arica Mountains: collecting in narrow canyon in center of range within the Palen/McCoy Wilderness, approximately 2.25 air miles west of Priests Well, or approximately 6.75 air miles southwest of the ghost town of Rice. 429 Comment
  CAS-BOT-BC434515  Boerhavia diffusa S. B. Parish 1916-5-13 10855 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  UCR19110  Boerhavia intermedia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  UCR244886  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  UCR280428  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-10 5622 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, southern margin of Ford Dry Lake, c. 1 km NE of intersection of I-10 and Palen Dunes Rd 111 Comment
  UCR17655  Boerhavia wrightii Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR264214  Boerhavia wrightii A. C. Sanders 2015-9-12 41885 Riverside Sonoran (Colorado) Desert, Desert Center, south of I-10 at the Eagle Mountain Road junction 361 Comment
  UCR58441  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  UCR92280  Bolboschoenus maritimus subsp. paludosus Scott D. White, S. Ogg 1994-10-17 2483 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  RSA38417  Bothriochloa barbinodis P. A. Munz 1946-10-21 11588 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  LA11372  Bouteloua barbata S. B. Parish; 1912-6-28 8102 Riverside Salton Basin Comment
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Mar 1 2014
  RSA385909  Bouteloua barbata George B. Grant 6737 Riverside Palm Springs Comment
  RSA0028730  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-13 114 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  RSA586770  Boykinia rotundifolia D. L. Banks, Steve Boyd 1995-5-17 0468 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., At the spring just inside the wilderness boundary in north-central, section 33. 731 Comment
  UCR125285  Brachychiton populneum A. C. Sanders 2003-1-18 25668 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, near entrance, Santa Ana River, West Riverside 226 Comment
  CLARK-A1528-5383  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  CLARK-A1528-5667  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  JOTR28883  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  SBBG7427  Brandegea bigelovii H. and M. Dearing 1940-1-1 4060 Riverside Painted Cyn Comment
  CAS-BOT-BC30262  Brassica nigra Steve Boyd 1986-5-7 1830 Riverside Temescal Canyon. Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15. Comment
  UCR5972  Brassica rapa Steve Stadler 1966-3-10 31066- 23 Riverside Peninsular Range, Corona Area. Located 1 mi east of Corona along old Temescal Road 1/4 mi north of Rimpau Ave. Corner of Old Temescal Rd. and Rimpau is 1/2 mi west of the John Manuill Fiberglass Plant. 213 Comment
  UCR272313  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Eastern Mojave Desert, Palen/McCoy Wilderness area, large drainage on western section of range 452 Comment
  UCR60708  Brassica tournefortii R. F. Thorne, M. Z. Thorne 1973-3-30 42671 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  LA203067  Brickellia atractyloides var. arguta Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  RSA192010  Brickellia californica E. W. Lathrop 1966-5-15 6311 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA89877  Brickellia desertorum J. C. Roos, L. Roos 1950-9-30 4995 Riverside rocky hills midway between Steele Pk. and Elsinore. (about 3 mi. N of Elsinore) 488 Comment
  SD132940  Brodiaea filifolia Tim Cass, Fred Sproul 1979-6-1 200 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  UCR75964  Brodiaea filifolia D. E. Bramlet 1992-5-6 2266 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley: NW of Lakeview and south of the San Jacinto Wildlife Area, c. 198 m west of Davis Rd. and c. 20 m N of Marvin Rd 433 Comment
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Jan 18 2007
  RSA642608  Brodiaea terrestris subsp. kernensis Darin L. Banks, Mike Kinney 1998-6-8 2221 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  UCD60266  Bromus A. A. Beetle 1946-6-10 4345 Riverside Mt. San Jacinto. Ridge at top of Tahquitz Valley. 2438 Comment
  SEINET186317 Image available Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside Edge of sandy wash 2 mi. north of Cottonwood Springs Eagle Mountains 914 Comment
  SEINET191888 Image available Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument ; Cottonwood Springs wash Comment
  UCR137360  Bromus carinatus 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
  UC37575  Bromus carinatus var. carinatus H. M. Hall May 1899 1112 Riverside San Jacinto Mountain; Southern California, San Jacinto Mountain 1371 Comment
  RSA715939  Bromus diandrus Scott D. White, Angelia Carey 2004-4-5 10027 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR2219  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  UCR2232  Bromus hordeaceus F. M. Reed 1906-5-31 970 Riverside Riverside, on Sedgwick Street in a little arroyo 274 Comment
  UC1117717  Bromus marginatus Alan A. Beetle 1946-6-10 4392 Riverside near Idyllwild (in San Jacinto Mountains); San Jacinto Mountains 1219 Comment
  RSA524447  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4083 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
  RSA771660  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4908 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET3923273  Bromus rubens R. L. Piemeisel 1913-5-4 409467 Riverside Crestmore field.; 0 Comment
  SEINET175439 Image available Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UCR214137  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37717 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR25957  Caesalpinia virgata John C. Roos 1947-3-15 3353 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  UCR127548  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2003-5-21 26803 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
  UCR171966  Calandrinia ciliata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR91464  Calandrinia ciliata Scott D. White 1995-3-30 2659 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  UCR93019  Calandrinia ciliata G. P. Schultz 1994-4-7 81 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  CAS-BOT-BC85769  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  RSA762187  Calocedrus decurrens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 68 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC218107  Calochortus concolor P. A. Munz 1922-6-30 5917 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR193491  Calochortus concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35610 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA679166  Calochortus invenustus Fred M. Roberts 2003-6-25 5935 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  JOTR31119  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2502 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  CHSC2242  Calochortus splendens E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  SDSU11909  Calochortus splendens H. Wedberg 1962-5-23 939 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  CAS-BOT-BC483501  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, 2 miles from Corona to Elsinore Highway, road to Lake Matthews, Gavilan Hills Comment
  RSA1315  Calochortus weedii J. T. Howell 1928-7-9 1079 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  RSA502182  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3720 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA786960  Calochortus weedii var. weedii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49545 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles SSW of El Cariso Comment
  UCR137379  Calochortus weedii var. weedii S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  JOTR35046  Calycoseris wrightii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3499 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UCR244379  Calyptridium monandrum Jim Andre 2012-4-16 20948 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UC489218  Calyptridium monospermum C. V. Meyer 1928-7-27 550 Riverside San Jacinto Peak; Southern California, San Jacinto Peak 3230 Comment
  UC82815  Calyptridium monospermum A. W. Anthony 1895-7-3 Riverside San Jacinto Mountains 2743 Comment
  UC130501  Calyptridium parryi var. parryi Charlotte M. Wilder 1909-7-10 942 Riverside head of Willow Creek (on trail to Round Valley, near log cabin) 2804 Comment
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Apr 2 2008
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  CAS-BOT-BC221319  Calystegia macrostegia subsp. tenuifolia John Thomas Howell 1930-5-10 4801 Riverside At top of St. John's Grade Comment
  CAS-BOT-BC218906  Camissonia Robert F. Thorne; M. Z. Thorne 1973-3-30 42676 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on outwash of Mission Creek 487 Comment
  RSA770637  Camissonia Robert F. Thorne, M. Z. Thorne 1973-3-30 42684 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR156093  Camissonia bistorta T. B. Salvato, Kent Beaman 2005-5-16 802 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
  RSA680555  Camissonia boothii subsp. condensata Scott D. White, Michael Honer 2003-4-30 9134 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  SEINET3005040  Camissonia brevipes G. Rink 2011-4-25 10475 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 118 Comment
  RSA0042383  Camissonia brevipes subsp. brevipes Duncan S. Bell, LeRoy Gross 2014-3-13 6234 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  RSA144673  Camissonia californica William M. Klein 1958-2-11 43 Riverside Along highway 99 [Hwy 86], 2.8 miles NW of the Riverside-Imperial County line, on shoulder of road. Comment
  RSA466163  Camissonia californica Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River. Comment
  RSA594783  Camissonia californica D. L. Banks, Dylan Hannon 1996-5-3 977 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 540 Comment
  RSA651862  Camissonia cardiophylla David B. Dunn 1947-7-12 2982 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA776245  Camissonia cardiophylla Duncan S. Bell 2010-3-20 637 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  UCR104021  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2713 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR118642  Camissonia claviformis George K. Helmkamp 1998-4-3 3081 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR86852  Camissonia claviformis A. C. Sanders 1995-3-29 16272 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
  RSA449192  Camissonia claviformis subsp. aurantiaca E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Calif. Painted Canon. Comment
  POM160102  Camissonia claviformis subsp. peirsonii E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  SDSU3357  Camissonia confusa H. Wedberg 1958-5-18 307 Riverside At Pinon Flat Campground, San Jacinto Mountains. Comment
  UCR118648  Camissonia confusa B. G. Pitzer, O. Clarke, S. Reed, G. Ruiz, et al 1998-3-7 3590 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR116854  Camissonia hirtella A. C. Sanders, Steven R. Hill 2001-5-4 24139 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA527859  Camissonia ignota Scott D. White 1991-5-10 91 -150 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA33569  Camissonia pallida subsp. pallida N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  RSA480033  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2160 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA735318  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11283 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR228167  Camissonia refracta Dave Silverman, Mark Bibbo 2010-3-31 7894 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km ENE of McCoy Pk. 177 Comment
  UCR75091  Camissonia refracta A. C. Sanders, E. J. Lawlor 1992-4-4 12099 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0013032  Camissonia strigulosa LeRoy Gross, Caitlin Elam 2013-5-14 6044 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA508003  Camissonia strigulosa Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2305 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. Sandy opening 0.5 mi S of saddle. 1500 Comment
  UCSB4439  Camissonia strigulosa Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  SBBG101677  Camissoniopsis bistorta S. Boyd with T. Ross, M. Hammitt 1991-5-2 6047 Riverside Vail Lake region, Billy Goat Mtn, ca. 3 mi N of Hwy 79, ca. 1 mi W of Hwy 371, N of Aguanga; T8S, R1E, W1/2 S15 600 Comment
  SBBG60416  Camissoniopsis bistorta M. N. Ackley 1928-3-10 751 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UC50343  Camissoniopsis bistorta H. M. Hall April 1903 3788 Riverside vicinity of Riverside 396 Comment
  CAS-BOT-BC160539  Camissoniopsis lewisii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  CSUSB544  Capsella bursa-pastoris D. T. Wright 1966-3-19 S. N. Riverside 3.5 miles East of Corona, along road by plowed field. Comment
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR26906  Carex alma A. C. Sanders 1980-7-18 1676 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
  SEINET1876644  Carex fracta Malcolm G. McLeod 1971-6-22 470 Riverside Idyllwild Comment
  UC729830  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  UCR29124  Carex praegracilis A. C. Sanders, S. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  UCR27269  Carex sartwelliana A. C. Sanders 1980-8-23 1761 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  SEINET7578801 Image available Carex triquetra Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6753 B Riverside Santa Ana Mountain, San Mateo Cyn Wilderness Area, Morgan Trail from Round Potrero W to jtn with Tenaja Tr in N-fork Bear Creek. 671 Comment
  POM319354  Castilleja applegatei subsp. martinii Patricia Wilder 1968-7-5 4311 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  RSA773666  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-20 1029 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UC886538  Castilleja exserta I. W. Clokey and B. C. Templeton 1930-4-9 4712 Riverside Moreno Grade 700 Comment
  UCR116410  Castilleja exserta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24179 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR139023  Castilleja exserta D. L. Banks 1997-4-5 1709 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR80822  Castilleja exserta Scott D. White 1993-5-29 1440 Riverside San Bernardino Mtns, Banning Canyon along the road to Raywood Flat, Yucaipa Ridge 1341 Comment
  SEINET6985157  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  UC26426  Castilleja foliolosa Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR108395  Castilleja foliolosa D. L. Banks, V. W. Steinmann 1997-3-13 1464 Riverside NW Palomar Mtns, Agua Tibia Mtns: Vail Lake Area, N and south of Hwy 79. The hills east of Dripping Springs Alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 549 Comment
  UCR19744  Castilleja minor subsp. spiralis E. W. Lathrop 1966-6-1 6358 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Range, Los Alamos Road, 14 mi NW of Murrieta Comment
  UCSC000664  Castilleja minor subsp. spiralis I. J. Condit 2010-6-24 s.n. Riverside along stream stream - San Jacinto River Comment
  UCR19707  Caucalis microcarpa John C. Roos 1952-4-9 5502 Riverside Riverside, W face of Mt. Rubidoux 400 Comment
  POM14299  Caulanthus cooperi P. A. Munz, D. D. Keck 1922-4-9 4787 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA567985  Caulanthus heterophyllus Karin Cleary 1992-4-6 117 Riverside Near top of ridge W of California St, Hemet. 610 Comment
  UCR137475  Caulanthus heterophyllus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR174302  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32654 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
  RSA543134  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6123 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  UC729488  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside base of Devil's Slide to Tahquitz Valley San Jacinto Mts., Strawberry Valley 1706 Comment
  UCD111409  Ceanothus cordulatus R. S. Woglum 1941-6-12 3053 Ab Riverside Idyllwild. 1524 Comment
  RSA569988  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7922 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
  RSA575055  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -i 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
  RSA717671  Ceanothus crassifolius A. C. Sanders 2004-2-6 27387 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  SD136772  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7920 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
  SEINET10493624  Ceanothus crassifolius James S. Miller 1992-5-8 Miller 7455 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UC1018191  Ceanothus crassifolius J. Warren 1952-3-16 Riverside Ortega Hwy Mt. Lilac (by Lake Elsinore) 609 Comment
  UCR132416  Ceanothus crassifolius A. C. Sanders 2004-2-6 27387 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  CHSC1505  Ceanothus greggii var. perplexans V. Holt 1942-3-29 Riverside Keen Camp, Santa Rosa Mountains. Comment
  UCR201659  Ceanothus integerrimus Scott D. White, Justin M. Wood 2008-6-5 12059 Riverside San Jacinto Mountains, Hwy 243 near Poppet Flats 1305 Comment
  RSA262096  Ceanothus leucodermis E. W. Lathrop 1969-5-9 7029 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  RSA569982  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7917 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
  RSA606735  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27419 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR114966  Ceanothus ophiochilus Fred M. Roberts, Steve Boyd, Tom Leslie 1992-2-7 4831 Riverside Peninsular Range, Vail Lake, ridge about 2km WSW of lake east of 'Little' Oak Mountain 600 Comment
  POM254873  Ceanothus palmeri W. Pequegnat 1940-5-17 s.n. Riverside Main Divide Rd. 1311 Comment
  POM312128  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside Above Banning. Roadside. 976 Comment
  RSA761995  Ceanothus palmeri Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 77 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG28516  Ceanothus palmeri N. C. Cooper 1944-6-17 1395 Riverside Pine Cove 1524 Comment
  UCR16493  Ceanothus palmeri R. G. Sullivan 1972-5-13 720513- 6 Riverside San Jacinto Mtns., Route 243(road from Banning to Idyllwild), c. 9 mi. from [+- S of] Interstate Hwy 10. 1372 Comment
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  POM305802  Ceanothus spinosus Henry J. Ramsey 1937-4-2 1057 Riverside Elsinore - Capistrano. Comment
  UCR19669  Ceanothus tomentosus E. B. Eldred 1977-5-23 s.n. Riverside Peninsular Range, Turnout on I-15, 5 miles south of Temecula 305 Comment
  RSA524608  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3931 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UC1131362  Cenchrus longispinus H. S. Yates 1937-6-28 6734 Riverside Palm Springs; San Jacinto Quad. Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  UC1608215  Centaurium venustum Steve Boyd and Tim Ross 1992-6-10 7627 Riverside San Mateo Canyon, about Potrero Escondido, due w of junction of Tenaga Rd (7S01) and Los Alamos Rd (7S04), at confluence of Los Alamos Ck w/main San Mateo Ck San Mateo Canyon; Southern Santa Ana MOuntains, San Mateo Canyon Wilderness Ar 670 Comment
  UCR21550  Centaurium venustum W. W. Mayhew 1980-7-18 s.n. Riverside Santa Rosa Mtns., 1 mi. south of Hwy 74 on the road to Santa Rosa Peak. 1585 Comment
  UCR93833  Centaurium venustum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  CAS-BOT-BC279124  Centromadia pungens subsp. laevis John Thomas Howell 1930-5-10 4785 Riverside 1 mile south of Perris Comment
  UCR259225  Centromadia pungens subsp. laevis Mitch Provance 2012-4-20 412- 06 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
  UC161908  Centrostegia thurberi var. thurberi C. R. Orcutt Riverside Colorado Desert Comment
  HSC85246  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Harford Springs County Park, N of big meadow, Gavilan Hills Comment
  RSA498417  Cercidium floridum F. W. Peirson 1919-4-15 575 Riverside Palm Springs. Large tree S of town. Comment
  RSA550276  Cercidium floridum Walter Wisura, John Dolan, Michael Wall 1992-3-24 4620 Riverside Lowdesert: 5.5 Miles NE of Mecca on Box Canyon rd. Comment
  UC168859  Cercidium floridum subsp. floridum Geo. B. Grant May 1 1906-May 10 1906 910 -6723 Riverside Palm Springs Colorado Desert Comment
  UC1979528  Cercocarpus betuloides var. betuloides Darin L. Banks, Steve Boyd 1995-3-16 109 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  UC1424842  Chaenactis artemisiifolia E. W. Lathrop 1968-6-2 6956 Riverside trail between El Carriso and San Mateo Canyon (main divide truck); Santa Ana Mountains, Cleveland Nat'l Forest 1219 Comment
  POM97131  Chaenactis artemisiifolia Philip A. Munz 1925-5-20 9829 Riverside 2 miles W of Dripping Spring. 427 Comment
  CAS-BOT-BC276382  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC276385  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SBBG25008  Chaenactis carphoclinia D. Myrick 1966-4-1 1349 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  RSA731020  Chaenactis carphoclinia var. carphoclinia Michael Wall 2008-4-26 451 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  POM351706  Chaenactis fremontii P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA0123117  Chaenactis fremontii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9024 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA182341  Chaenactis fremontii J. D. Olmsted 1962-5-1 3431 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
  RSA444565  Chaenactis fremontii Walter Wisura 1988-3-23 4209 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  UC566687  Chaenactis fremontii H. L. Mason 1928-3-11 4328 Riverside near Indio Comment
  UC665833  Chaenactis fremontii Ira L. Wiggins 1941-3-27 9700 Riverside slopes 4 mi n of Whitewater Comment
  UCR177856  Chaenactis fremontii Marisa Sripracha, K. A. Boyd 2004-3-21 039 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA695579  Chaenactis glabriuscula Keith E. Hoffmaster 1937-6-6 755 Riverside Near Valle Vista, Hemet Valley. Comment
  SD140205  Chaenactis glabriuscula Scott White 1993-4-22 1229 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SD186071  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles sousouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  UCR261179  Chaenactis glabriuscula A. C. Sanders, Katie Young, John Hale 2015-4-22 41607 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  CAS-BOT-BC284349  Chaenactis stevioides H. M. Hall 1905-5-1 6099 Riverside Ash Hill, Colorado Desert Comment
  POM230183  Chaenactis stevioides I. W. Clokey 1933-4-17 6942 Riverside Cottonwood Springs. Comment
  RSA550344  Chaenactis stevioides Walter Wisura, John Dolan, Michael Wall 1992-3-25 4644 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  UCR29848  Chaenactis stevioides George K. Helmkamp 1983-3-24 383- 20 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA779629  Chaenactis stevioides var. stevioides Duncan S. Bell 2010-4-1 672 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  RSA778324  Chamaesyce Amber Swanson 2011-10-9 653 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  RSA778523  Chamaesyce Amber Swanson, Linda Jean Foster 2011-10-8 625 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA0020043  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6015 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
  RSA588663  Chamaesyce maculata D. L. Banks, S. D. Boyd 1995-10-17 0822 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 488 Comment
  POM263146  Chamaesyce micromera J. C. Roos 1936-4-22 608 Riverside 20 mi west of Blythe Comment
  RSA0020040  Chamaesyce micromera Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6012 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  CHSC39253  Chamaesyce polycarpa M. O. Dillon; E. Rodriguez 1977-1-29 796 Riverside Ca. 1 mi. E of Mecca. Mojave Desert. Comment
  JEPS52387  Chamaesyce polycarpa Ethel Rockwell 400 Riverside northwest Colorado Desert, Edom Comment
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Sep 7 2011
  RSA777345  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4709 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
  SBBG100585  Chamaesyce polycarpa W. L. Halvorson 1977-2-5 77 -14 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  UC56927  Chamaesyce polycarpa H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  POM98788  Chamaesyce polycarpa P. A. Munz 1926-1-31 9966 Riverside Dos Palmas Spring Comment
  POM282536  Chamaesyce polycarpa var. hirtella N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Box canon [canyon]. Comment
  RSA741113  Chamaesyce serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA524228  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4022 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA770847  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4941 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
  CAS-BOT-BC70294  Cheilanthes newberryi Marcus E. Jones 1930-3-15 26517 Riverside Eagle Mountains Comment
  RSA0123692  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2016-3-30 9160 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UC668372  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-4-22 2061 Riverside White Water Canyon; Colorado Desert 548 Comment
  UC812278  Cheilanthes parryi Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 304 Comment
  UCD137390  Cheilanthes parryi Geoffrey Levin 1976-3-27 682 Riverside Chino Canyon. West of Palm Springs. San Jacinto Mts. 396 Comment
  UCR17579  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 350 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon watershed 366 Comment
  CAS-BOT-BC70378  Cheilanthes viscida P. A. Munz 1941-10-1 17237 Riverside on Palms to Pines Highway, north base of Santa Rosa Mts. Comment
  CAS-BOT-BC70380  Cheilanthes viscida Rateaver 1944-2-21 69 Riverside Tahquitz Canyon, Palm Springs Comment
  RSA0120484  Chenopodium Duncan S. Bell, Thomas Stoughton 2016-3-15 s.n. Riverside Orocopia Mountains; southwest section of the range; along the Coachella Canal, near its junction with Dos Palmas Springs Road. 23 Comment
  UCR115139  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2271 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA714432  Chenopodium californicum A. C. Sanders 2004-5-12 27869 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR157948  Chenopodium desiccatum T. B. Salvato, A. C. Sanders 2005-5-17 919 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA0117616  Chilopsis linearis subsp. arcuata Sarah J. J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  RSA701160  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC65010  Chilopsis linearis subsp. arcuata E. E. Schellenger 1905-10-16 32 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR272663  Chilopsis linearis subsp. arcuata Sarah J. De Groot, Duncan S. Bell 2015-5-14 7373 Riverside SE San Bernardino Mtns./Sonoran Desert, White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome 768 Comment
  UCR127526  Chloris gayana Steve Morgan 1997-12-5 s.n. Riverside Riverside, weed in the UCR Botanical Garden, E side of the UCR campus, south of the pond, near the Rutaceae section, in cell blocks J8 & K8. 396 Comment
  CAS-BOT-BC39669  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area. Diamond Valley, along State Street (R3) ca. 0.5 mile north of Newport Road. South of Hemet 488 Comment
  CLARK-A1528-3597  Chorizanthe brevicornu John C. Roos 1948-4-24 3794 Riverside Whitewater 548 Comment
  RSA0130724  Chorizanthe brevicornu Glen Rink 2013-3-18 11883 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CAS-BOT-BC191706  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert. 5 mi E of Mecca, on Blythe Road 30 Comment
  UCR245230  Chorizanthe brevicornu var. brevicornu Jim Andre 2012-3-19 21319 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
  RSA392657  Chorizanthe corrugata N. C. Cooper 1949-4-8 3235 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  UCR51956  Chorizanthe corrugata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2164 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA392639  Chorizanthe fimbriata M. B. Dunkle 1934-6-18 3969 Riverside Upper San Juan Canyon. Comment
  POM229024  Chorizanthe fimbriata var. laciniata P. A. Munz 1937-5-31 15116 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  SEINET7249062  Chorizanthe leptotheca Lee A. Ripma 2008-1 Riverside Comment
  JEPS57785  Chorizanthe parryi var. parryi W. L. Jepson 1935-4-19 17073 Riverside San Gorgonio Pass Comment
  UCR104614  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-25 2359 Riverside Santa Ana Mtns, Elsinore Mtns., c. 730 m SW of Grand Ave. and 305 m SW of Akley Street. 1.7 km NE of Forest Service Road 6S07 Comment
  UCR217497  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-7 042 Riverside Santa Ana Mtns, San Mateo Cyn (West), 1.1km west of Wildomar Rd., and 500m southwest of Tenaja Trail 655 Comment
  SD138828  Chorizanthe polygonoides var. polygonoides Craig Reiser 1996-3-23 Riverside Murrieta; near creek; northeast of Baxter; east of Meadowlark Lane (mak 8/07) Comment
  OBI8369  Chorizanthe rigida David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12254 Riverside Along Box Canyon Rd ca 17 mi ENE of Mecca in Orocopia mts 213 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR42359  Chorizanthe xanti B. G. Pitzer 1986-5-4 0199 Riverside Colorado Desert/San Bernardino Mtns., Whitewater Canyon, at N edge of hatchery to c. 0.25 mi. N; c. 5 mi. north of Interstate Hwy 10 on Whitewater Canyon Road. 732 Comment
  UCR18188  Chorizanthe xanti var. leucotheca A. C. Sanders 1978-4-30 547 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UC489281  Chrysolepis sempervirens C. V. Meyer 1928-7-31 614 Riverside Tahquitz Peak; San Jacinto Mts. 2438 Comment
  POM351998  Chrysothamnus nauseosus subsp. mohavensis H. de Forest, Jack Rempel 1932-10-23 16157 Riverside Between Palm Springs and Whitewater along snow creek Comment
  RSA93246  Chrysothamnus teretifolius F. W. Peirson 1937-10-20 12363 Riverside Santa Rosa Mts 1829 Comment
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Dec 17 2011
  UC1184319  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  CAS-BOT-BC160600  Chylismia claviformis subsp. aurantiaca F. O. Ballou 1926-2-27 s.n. Riverside Painted [Canon] Canyon Comment
  UC1184366  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside alluvial fan Fargo Canyon Comment
  UCR267891  Chylismia claviformis subsp. aurantiaca Jim Andre 2013-3-4 23860 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR276380  Chylismia claviformis subsp. aurantiaca Jim Andre 2015-4-23 32748 Riverside Sonoran (Colorado) Desert, Rice Valley; along Rice-Midland Rd., 3.1 miles south of Hwy 62, eastern end of Arica Mountains 253 Comment
  UCSB4509  Chylismia claviformis subsp. aurantiaca Krogen, Roger 1957-1 Riverside 4 mi. S of Jct. of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  UCR183020  Cirsium occidentale var. occidentale Mitch Provance 2003-5-5 4426 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA438786  Cirsium scariosum Anstruther Davidson 1903-4-1 s.n. Riverside Palm Springs. Comment
  UCR274300  Clarkia purpurea T. B. Salvato, Melissa Clemons 2005-6-6 1410 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  CSUSB230  Clarkia purpurea subsp. quadrivulnera R. Thomasson 1973-5-30 Riverside Box Springs Mountains Box Springs Mountains; Big C turnoff. 0.6 miles from Box Springs Mountain Road. 777 Comment
  RSA653073  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR7738  Clarkia similis Tony Beck 1968-5-11 680511- 01 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi. north of Johnson Ranch near Redonda Mesa, near summit of road. 854 Comment
  JOTR35134  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  RSA503419  Claytonia perfoliata subsp. perfoliata J. D. Olmsted 1962-5-10 3624 Riverside Coldwater Canyon, Corona city water supply 396 Comment
  UCR121661  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20022 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  RSA613430  Clematis D. L. Banks 1997-4-5 1662 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR121311  Clematis pauciflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25007 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  RSA650754  Cleome isomeris Dick Crowell 1949-3-25 s.n. Riverside Collected 15 miles east of Indio on Hwy. 60. 457 Comment
  RSA6638  Cleome isomeris B. D. Stark 1932-6-15 1523 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  POM93721  Cleome isomeris Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR90506  Cnicus benedictus F. M. Reed 1933-5-13 7686 Riverside Peninsular Range, Cattle range in Temecula Valley 549 Comment
  SBBG45110  Collinsia concolor R. N. Muller, S. Lindsey 1967-5-11 Riverside 0.8 mi S of rd to top of Box Springs Mtns from its jct with Pigeon Pass Rd Comment
  UCR193330  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35594 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  UCR91685  Collinsia concolor Steve Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  SEINET7073400  Collinsia heterophylla A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA0117388  Collinsia parviflora E. W. Lathrop 1965-5-9 5721 Riverside 6 miles W of Murrieta. Comment
  SBBG87848  Colubrina californica A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6141 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  HSC86915  Conyza bonariensis Steve Myers 1988-2-1 Riverside Boulder Springs Development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 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
  CAS-BOT-BC237959  Cordylanthus rigidus Scott D. White 1996-8-1 4419 Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  RSA0051769  Coreopsis bigelovii A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Canyon. 548 Comment
  POM305808  Coreopsis californica Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1051 Riverside Corona-Elsinore. Comment
  RSA395352  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA0099991  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC1119251  Corethrogyne filaginifolia A. Lewis 1934-5-1 458 Riverside 1 mi w La Cienaga; Cleveland National Forest, Elsinore Quadrangle 822 Comment
  UCR278880  Corethrogyne filaginifolia Mitch Provance 2012-7-17 712- 20 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  UCR20953  Cornus sericea subsp. occidentalis A. C. Sanders 1978-7-5 00288 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  SD181709  Cotula australis Scott D. White 1999-5-2 7286 Riverside Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215. 440 Comment
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Oct 28 2016
  UCR266333  Crassula aquatica D. E. Bramlet 1992-4-15 2230 Riverside Perris-Aguanga Basin Region, west of Hemet, west of Warren Rd. 457 Comment
  RSA0104911  Crassula connata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7752 Riverside Morongo Canyon Preserve; collecting in Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 563 Comment
  SBBG120133  Crassula connata A. C. Sanders with K. Volansky 2005-3-17 29202 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
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Mar 20 2011
  CDA14402  Cressa truxillensis D. Domenigoni 1997-7-11 Riverside Lake Elsinore. 0 Comment
  NY268554  Crossosoma bigelovii C. B. Wolf 1937-5-4 8525 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 1 mi. below San Bernardino Co. line. 609.6 Comment
  RSA0104697  Crossosoma bigelovii Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-25 7758 Riverside Santa Rosa Mountains; in Agua Alta Canyon to the north of Martinez Canyon, approximately 5.5 air miles southeast of the summit of Martinez Mountain. 440 Comment
  SEINET3089930 Image available Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of Hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad. 731 Comment
  UCR58717  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Peninsular Range, Temecula Gorge, N bank of Santa Margarita River at aqueduct crossing. 250 Comment
  CDA34537  Croton californicus Mike Lahti 2009-9-1 PDR# 1501825 Riverside 0 Comment
  SEINET11263871  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-23 1287 Riverside Penninsular Range, Temescal Valley, Alberhill, instersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at bsse of Walker Canyon (Alberhill 7.5' Q); 0 378 Comment
  CAS-BOT-BC189256  Cryptantha Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  RSA0089136  Cryptantha Mitch Provance 2003-4-5 403 -01 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of Noname Mtn. 755 Comment
  JOTR29579  Cryptantha angustifolia Andre, Jim 2006-4-6 6692 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  NY1154342  Cryptantha angustifolia N. H. Holmgren 1973-3-22 6468 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  POM15232  Cryptantha angustifolia Mary F. Spencer 1922-3-26 2010 Riverside Mecca -49 Comment
  RSA796326  Cryptantha angustifolia Duncan S. Bell 2009-4-18 210 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SEINET3071824  Cryptantha angustifolia Marc A. Baker, Michelle Cloud-Hughes 2011-12-18 17505 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  SEINET3083656 Image available Cryptantha angustifolia John Adams 1966-3-12 453 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  UCR104845  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR214697  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37517 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  JOTR28786  Cryptantha barbigera La Doux, Tasha 2005-3-30 1055 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA667998  Cryptantha barbigera C. R. Annable 1995-3-10 2264 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  RSA796033  Cryptantha barbigera var. barbigera Duncan S. Bell 2009-4-18 251 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  SDSU20599  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2006-3-11 981 Riverside North of I-10 at West Palm Springs along Tamarck Road from Pacific Crest Trail crossing east 0.1 miles to Cottonwood Road junction. 418 Comment
  RSA49359  Cryptantha circumscissa P. A. Munz 1949-4-11 13007 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  SEINET3195135 Image available Cryptantha costata Andrew C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert; pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe (Roosevelt Mine 7.5 Q.) 134 Comment
  SBBG53391  Cryptantha cycloptera J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UCR85239  Cryptantha dumetorum A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15999 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  CLARK-A1045-147  Cryptantha intermedia George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  CSUSB1180  Cryptantha intermedia Ed West 1972-4-27 9 Riverside Box Springs Mountains Box Springs Mountains, 200 yards west of the micro-wave tower above the "C." 609 Comment
  POM368274  Cryptantha intermedia E. Crow 1929-2-24 184 Riverside Near Cabazon, NW Colorado Desert Comment
  RSA658921  Cryptantha intermedia Bob Rogers 1984-4-28 24 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  UC1392642  Cryptantha intermedia R. F. Hoover 1968-6-7 11157 Riverside Head of St. Johns Canyon Comment
  SDSU21016  Cryptantha juniperensis A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of 1-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. (Lake Mathews 7.5'). Sandy benches above wash. 317 Comment
  UCR116599  Cryptantha maritima A. C. Sanders 2001-4-8 23987 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
  UCR249503  Cryptantha maritima T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7289 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR30071  Cryptantha maritima George K. Helmkamp 1983-4-5 483 11 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET10456346  Cryptantha maritima David B. Dunn 1948-2-21 Dunn 3676 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  RSA704585  Cryptantha maritima var. maritima LeRoy Gross 2005-3-3 1584 -a Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA617201  Cryptantha maritima var. pilosa L. C. Wheeler 1953-3-31 7038 a Riverside Near Mountaineer Mine. Comment
  HSC3581  Cryptantha micrantha R. A. Eagle 1963-4-8 8 Riverside San Jacinto Mtns., 3 mi. out of Banning Comment
  UC1178517  Cryptantha micrantha Peter Kamb 1948-7-4 1155 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR238085  Cryptantha micromeres Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2055 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 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
  UCR228911  Cryptantha microstachys A. C. Sanders 2011-4-7 39032 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR90417  Cryptantha microstachys D. L. Banks 1995-5-3 0209 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
  UCR98694  Cryptantha microstachys 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
  UCSB41272  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  SEINET3145436  Cryptantha muricata R. W. Spellenberg, N. Zucker 2001-3-27 13186 Riverside Desert Hot Springs. Indian Ave., 0.5 km S of jxn w/ Calif. Hwy 62 540 Comment
  UCR93063  Cryptantha muricata A. C. Sanders, S. Ogg 1994-7-28 15172 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA786537  Cryptantha muricata var. denticulata C. P. Cowan 1978-4-23 1236 Riverside Santa Rosa Mountains. 17.3 mi (27.2 km) S and W on Hwy 74 from jct w/111 at Indian Wells. San Bernardino National Forest. Whittaker transect no.W-221(voucher). 1180 Comment
  RSA0011415  Cryptantha muricata var. jonesii Duncan S. Bell, Caitlin Elam 2013-5-21 4969 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  CDA40506  Cryptantha nevadensis T. C. Fuller 1962-4-4 7990 Riverside Colorado Desert; Highway 99 [later renumbered Highway 86], 1.3 miles north of Oasis. 0 Comment
  RSA0079104  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2010-4-2 703 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  UC857249  Cryptantha racemosa C. L. Hitchcock 1940-4-1 5913 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  JOTR34322  Cryptantha utahensis Andre, Jim 2012-4-11 20823 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA234105  Cryptantha utahensis R. F. Thorne, R. Carolin 1967-3-21 41635 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  SD87651  Cryptantha utahensis F. W. Peirson 1919-4-13 1025 Riverside Murray Canyon Comment
  RSA502188  Cucurbita foetidissima Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3714 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  HSC80312  Cucurbita palmata R. F. Thorne, W. Wisura, A. Shmida, Robert Whittaker 1978-4-23 52048 Riverside Palm Desert Area; just E of Palm Desert Comment
  SBBG121536  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd; Lakeview Mtns 550 Comment
  SEINET3082941 Image available Cucurbita palmata Unknown 1965-3-7 Riverside Directly 3 miles s of Palm Desert on Palms to Pine highway 122 Comment
  UCSB69266  Cucurbita palmata Reifner, R. 2006-8-2 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd.; USGS 7.5' Quad: Lakeview; UTM: (NAD 83) 11S 0488948E 3735311N 550 Comment
  CLARK-A1703-58  Cuscuta subinclusa H. A. Zuill 1966-7-4 276 Riverside Murrieta Comment
  RSA70999  Cuscuta umbellata F. W. Peirson 1932-11-26 9659 Riverside Thousand Palms Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
Read comments
Nov 5 2011
  SEINET5624455 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17534 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  RSA0114882  Cylindropuntia echinocarpa Marc A. Baker 2014-2-16 17932 Riverside Big Maria Mountains, along the Midland-Vidal Road, 12.5 km WSW of Quien Sabe Point, 33km NNW of Blythe. 337 Comment
  RSA278506  Cymopterus panamintensis var. acutifolius John F. Emmel, Thomas Emmel 1964-3-24 s.n. Riverside Lost Palms Canyon, Joshua Tree Nat. Monument. Comment
  RSA563930  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside Riverside UCR Botanic Garden 400 Comment
  RSA708075  Cynodon dactylon Scott D. White, Angelia Carey 2004-4-16 10167 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA522102  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3795 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA522108  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross 1989-8-28 3801 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR78671  Cyperus esculentus Scott D. White 1992-9-11 793 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  RSA596541  Cyperus odoratus Darin L. Banks, Lauren Raz 1996-8-29 1144 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  RSA289804  Cyperus parishii B. A. Prigge 1980-8-12 3943 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  RSA0029323  Dalea mollis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4687 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
  RSA0124740  Dalea mollis Duncan S. Bell, LeRoy Gross 2016-3-9 8845 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA28052  Dalea mollis I. L. Wiggins 1941-3-27 9680 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  CLARK-A1656-777  Dalea mollissima Theo Glenn 1982-4-6 Riverside Fan Hill Canyon Comment
  POM301796  Dalea mollissima J. Cole 1942-5-19 964 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  RSA613784  Dalea mollissima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2741 Riverside Chuckwalla Mts., 10.6 mi SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  SEINET2061476 Image available Dalea mollissima A. C. Sanders, et al. 1986-3-2 6067 Riverside Chuckwalla Valley, ca. 1/2 mile W of Graham Pass, on powerline road 1/2 mile S of old Hwy 60. 134 Comment
  UC700948  Dalea mollissima Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  SEINET10486090  Dalea spinosa Billy Joe Cox 1975-4-23 Cox 4160 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 70 Comment
  UC64479  Datisca glomerata H. M. Hall July, 1901 2381 Riverside in vicinity of Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 1615 Comment
  UCR194227  Datisca glomerata Scott D. White, Angelia Carey 2004-6-4 10477 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CSUSB772  Datura meteloides Nancy Atha 1963-3-21 3-21-63 7 Riverside Southwest side of hill at the corner of Madison St. and Victoria Ave. in (city of) Riverside. 274 Comment
  RSA0103316  Datura wrightii Jim M. Andre 2012-4-11 20708 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  UCR100312  Datura wrightii B. G. Pitzer 1997-4-20 3173 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  HSC85253  Daucus pusillus Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR116675  Daucus pusillus A. C. Sanders, Carolyn Washburn 2001-5-10 24239 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  CAS-BOT-BC294116  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside Lower St. Johns Canyon south of Hemet Comment
  JEPS122468  Deinandra kelloggii J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  UC1979620  Deinandra paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. Comment
  UC1595568  Delphinium parishii W. Wisura, A. King, and L. Newcomb 1992-4-10 4667 Riverside w Hwy 62 (below Morongo Valley); Low Desert, Mission Creek Ranch Comment
  UCR157113  Delphinium parishii A. C. Sanders 1995-4-13 16485 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
  RSA50296  Delphinium parryi E. K. Balls 1949-5-4 13478 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  RSA69414  Delphinium parryi F. W. Peirson 1929-5-4 8337 Riverside Mostly about bushes on low hill about 2 miles south of summit of St. Johns Grade south of Hemet. 701 Comment
  RSA701498  Delphinium parryi M. Wall 1993-5-19 72 Riverside Sage Rd, 4.6 mi S of Red Mtn Rd SE of Hemet. Associated plants include Adenotstoma fasciculatum, Eriogonum fasciculatum, Collinsia concolor, and exotic grasses. Comment
  UCR194234  Delphinium parryi subsp. parryi Mitch Provance, Michael L. Fugate 2005-4-14 10054 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
  CAS-BOT-BC158124  Dendromecon rigida Abby Sirulnik 2000-5-7 30 Riverside Peninsular Ranges; San Jacinto Mtns.: Along Mt. Edna Rd. off of CA Hwy 243, ca. 5 mi. N of Poppet Flats 1159 Comment
  CAS-BOT-BC82957  Dendromecon rigida Peter H. Raven 1958-5-17 12951 Riverside 7.4 miles southeast of Banning on road to Idyllwild, San Jacinto Mountains. Comment
  UCR173144  Dendromecon rigida Abby Sirulnik 2000-5-7 30 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 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
  RSA740653  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside Meadows at Baldy Mtn. 1585 Comment
  CAS-BOT-BC43360  Descurainia pinnata subsp. glabra Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  UCR35192  Descurainia pinnata subsp. menziesii L. B. Ziegler 1969-4-2 336 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  RSA16363  Dicentra chrysantha Percy C. Everett 1935-6-17 7169 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 610 Comment
  IRVC35  Dichelostemma capitatum subsp. capitatum R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  JOTR37060  Dichelostemma capitatum subsp. capitatum La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3546 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  RSA367462  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-20 1277 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA367468  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 2957 Riverside 4 miles south of Banning. Comment
Read comments
Mar 16 2014
  SEINET8666167 Image available Dichelostemma pulchellum Sandy Gray 1981-4-1 12 Riverside CA Hwy 142 6 miles east of Corona, highway overpass. Comment
  UCR89773  Dicoria canescens George K. Helmkamp 1994-3-10 42 3 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCR207327  Digitaria sanguinalis O. F. Clarke 2000-1-11 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCSB24961  Dimorphotheca sinuata Breedlove, Dennis 1962-3-11 Riverside Alongside road, flood plain of San Jacinto River, 6.2 miles southeast of State 79, on State 74; in Hemet 579 Comment
  CAS-BOT-BC150923  Diplacus bigelovii var. bigelovii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2162 Riverside Palen Pass at the N. end of the Palen Mtns. 50 Comment
  CHSC1799  Diplacus fremontii E. Thomas 1940-4-14 Riverside Temescal Canyon. Comment
  RSA0016057  Diplacus fremontii Duncan S. Bell, Valentin Arvizu 2010-5-10 974 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  JEPS48843  Ditaxis lanceolata Marjorie D. Clary 1932-5-1 946 Riverside Deep Canyon w. Colorado Desert, Santa Rosa Mts., Deep Canyon Comment
  RSA0021557  Ditaxis neomexicana Duncan S. Bell, Aaron Sims 2012-3-10 2044 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  UC604847  Ditaxis neomexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9517 Riverside 19 mi. from Cottonwood Springs (n. edge Pinto Basin); n. edge Pinto Basin Comment
  UCR58872  Ditaxis neomexicana J. M. Stewart 1989-10-16 612 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, canyon on NE side Comment
  CAS-BOT-BC43654  Dithyrea californica Aven Nelson; Ruth Nelson 1939-3-28 3303 Riverside South of Mecca. Comment
  POM14206  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4983 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash 91 Comment
  UCR178570  Dithyrea californica R. G. Swinney 1967-2-4 0012 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 305 Comment
  CAS-BOT-BC136107  Dodecatheon alpinum H. M. Hall 1901-7-1 2348 Riverside Tahquitz [Tauquitz] Valley - San Jacinto Mountains 2499 Comment
  JEPS103619  Downingia cuspidata Lisa Schultheis 1995-5-9 144 -95 Riverside Santa Rosa Plateau Preserve Comment
  RSA777831  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 857 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  UC10521  Draba cuneifolia Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA703471  Draba cuneifolia var. integrifolia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1414 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  RSA562487  Drymocallis glandulosa Steve D. Boyd, Tim S. Ross 1992-5-5 7249 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  POM12103  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-15 1862 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC527311  Drymocallis glandulosa var. viscida C. B. Wolf 1931-5-11 1961 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek 1676 Comment
  IRVC19379  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  UCR26374  Dudleya abramsii subsp. abramsii A. C. Sanders 1981-7-11 2205 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  SD70422  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass. 550 Comment
  CAS-BOT-BC416942  Dudleya pulverulenta L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  CAS-BOT-BC109614  Dudleya saxosa subsp. aloides P. A. Munz; P. C. Everett 1952-5-2 16233 Riverside Dry Morongo Wash, northwest end of Coachella Valley. 457 Comment
  UCR2342  Echinochloa crus-galli F. M. Reed 1936-7-27 9801 Riverside Riverside, Riverside: Bell lot, Massachusetts Ave. 290 Comment
  POM365267  Echinochloa crus-galli S. B. Parish 1913-9-20 8616 Riverside Mecca. Salton Sink. 58 Comment
  UCR30551  Echinodorus berteroi John C. Roos 1937-6-7 2236 Riverside San Jacinto River Valley, Foot of Jackrabbit Trail. [N of San Jacinto] Comment
  UCR19192  Eclipta prostrata John C. Roos 1965-7-5 s.n. Riverside Sonoran (Colorado) Desert, Thermal Airport Comment
  UC1409150  Elatine chilensis Robert F. Thorne and Earl Lathrop 1969-5-12 37939 Riverside Mesa de Colorado, Rancho Californua Santa Rosa Plateau Comment
  UCR196306  Eleocharis acicularis R. F. Thorne 1973-5-23 43850 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  POM14328  Eleocharis acicularis var. acicularis Phillip A. Munz 1922-7-7 6067 Riverside Tahquitz Valley, San Jacinto Mountains. 2226 Comment
  SJSU8873  Eleocharis geniculata R. L. MacDonald 1962-4-19 Riverside Thousand Palms Oasis Comment
  SDSU21795  Eleocharis macrostachya Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3982 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  CDA38957  Eleocharis montevidensis F. J. Willmarth 1958-2-28 s.n. Riverside Riverside. 0 Comment
  RSA741220  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-5 12087 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA736244  Eleocharis parishii Scott D. White, Jonathan Campbell 2008-4-18 11894 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UCR93084  Eleusine indica A. C. Sanders, S. Ogg 1994-7-28 15169 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR158267  Elymus condensatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29495 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
  UC38219  Elymus elymoides subsp. elymoides H. M. Hall 1901-7 2409 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  SD28117  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mountains, along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  HSC101790  Elymus multisetus J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13207 Riverside Along State Route 74 1558 Comment
  RSA754125  Elymus trachycaulus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 16 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  CLARK-A1528-5011  Emmenanthe penduliflora John C. Roos 1937-6-7 2398 Riverside Comment
  CLARK-A1703-1207  Emmenanthe penduliflora Charlotte Stocks 1962-5-16 Riverside Whitewater Canyon 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
  POM4934  Encelia actoni Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
  RSA596770  Encelia actoni D. L. Banks, K. D. Hedge 1996-5-16 1032 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, E of the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  UCR520  Encelia californica Eugene Cardiff 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  CAS-BOT-BC131315  Encelia farinosa N. Artkenhead 1977-2-2 2115 Riverside 1 mi. from junction of J.T. Mon. Rd. and pipeline Comment
  CAS-BOT-BC131327  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of junction of Hwy 78 and Hwy 60-70 near Blythe Comment
  CLARK-A1528-2153  Encelia farinosa Charles S. Papp 1964-5-3 462 Riverside Canyon Crest Comment
  HSC5481  Encelia farinosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23077 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  JEPS34116  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado desert 170 Comment
  RSA696889  Encelia farinosa J. Russell Bruff 1927-3-13 s.n. Riverside Thousand Palms Comment
  UC895522  Encelia farinosa I. Johnston 1917-6-5 1237 Riverside hills s Arlington 365 Comment
  UCD131206  Encelia farinosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCD131213  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley near Eden P.O. Comment
  UCSB29016  Encelia farinosa Hornemann, D. 1977-2-26 Riverside Box Canyon Wash 60 Comment
  RSA556487  Encelia farinosa var. farinosa Julie Greene 1993-3-13 1051 Riverside West of Poleline Rd. 457 Comment
  SEINET3146517  Encelia frutescens L. S. Rose 1935-12-23 35701 Riverside Colorado Desert; above Deep Cyn., San Jacinto Mts., 22 mi. S of Cathedral City 1067 Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  SEINET4898218  Ephedra californica Douglas Wood 1971-3-7 s.n. Riverside Palm Springs Desert Comment
  UCD133047  Ephedra californica James B. Garner 1959-3-17 408 Riverside vicinity of White Water, north of Palm Springs. Comment
  SEINET3220794 Image available Ephedra fasciculata Norman C. Cooper 1949-4-8 3285 Riverside Shaver's Summit east of Indio. Comment
  JOTR30098  Ephedra trifurca La Doux, Tasha, Mike Bell, Amber Holt 2007-2-13 1737 Riverside Joshua Tree National Park. Stop 2: Lost Palms Canyon, Cottonwood Mountains. 621 Comment
  CSUSB1325  Epilobium adenocaulon var. adenocaulon Ed Francisco 1972-6-26 Riverside San Jacinto Mountains At Dark Canyon in the San Jacinto Mountains. Comment
  UCR116476  Epilobium campestre A. C. Sanders, T. B. Salvato 2001-5-25 24376 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR35214  Epilobium canum L. B. Ziegler 1967-9-6 243 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  JOTR36393  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA797242  Epilobium canum subsp. latifolium Robert F. Thorne, Walter Wisura 1977-9-17 50771 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR145965  Epilobium canum subsp. latifolium June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  SBBG60217  Epilobium oregonense R. Hoffmann 1929-9-6 Riverside Tahquitz Valley Comment
  RSA381719  Epipactis gigantea George Henry Grinnell 1923-5-26 s.n. Riverside Riverside. Comment
  RSA568557  Epipactis gigantea George Henry Grinnell 1923-5-28 s.n. Riverside Riverside. Comment
  RSA652885  Equisetum hyemale var. affine John Wallace 1991-5-5 12 Riverside Colorado River, Palo Verde Dam. 5 yards east of outflow foot bridge. Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
Read comments
Jun 9 2011
  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
  UCR95413  Eragrostis curvula var. conferta D. L. Banks, E. H. Banks 1996-5-2 0965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn; Along Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road; along the west side of the road next to a citrus orchard 399 Comment
  RSA432717  Eremalche rotundifolia Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  UCR213313  Eremalche rotundifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37439 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
  UC873994  Eremothera boothii subsp. condensata C. L. Hitchcock 1940-4-4 5954 Riverside Pinto Basin Comment
  UCSB30402  Eremothera boothii subsp. condensata Krasner, Larry 1975-3-22 Riverside 11 miles west of Desert Center, on Highway 10 365 Comment
  SBBG35561  Eremothera boothii subsp. desertorum D. Myrick 1966-4-1 1318 Riverside slope adjoining Linda Vista Lodge, Desert Hot Springs Comment
  UCSB42113  Eremothera chamaenerioides Roos, John 1966-3-26 Riverside 2.5 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  UCD118299  Eriastrum densifolium subsp. densifolium Nancy Ryan Zabriskie; Harold J. Ryan 1972-7-25 530 Riverside Immediately N of Vista Grande Forestry Station at turn-in to Mellor Ranch Road, R side going up Banning-Idyllwild Road; cismontane San Jacino Mountains. 1493 Comment
  JOTR31166  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  RSA0119710  Eriastrum diffusum subsp. coachellae Charlotte M. Wilder 1907-4-9 709 Riverside Below junction of washes from Palm and Murray canyons. Comment
  RSA0119713  Eriastrum diffusum subsp. coachellae Verne Grant, Alva Grant 1950-4-9 8836 Riverside Canyon in pass betw. Whitewater and Morongo Valley, 0.4 miles S. of San Bernardino County line. Comment
  UCR261369  Eriastrum eremicum A. C. Sanders, Katie Young, John Hale 2015-4-22 41611 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  RSA0120095  Eriastrum eremicum subsp. eremicum C. B. Wolf 1932-5-25 3678 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  SEINET3100713  Eriastrum harwoodii G. Rink, M. Honer, K. Christie 2012-3-19 11084 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  UCR140741  Eriastrum sapphirinum A. C. Sanders 2004-5-11 27852 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR201451  Eriastrum sapphirinum Scott D. White, Justin M. Wood 2008-6-16 12125 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR231763  Eriastrum sapphirinum John F. Green 2008-4-23 09- 08 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
  UCR35052  Eriastrum sapphirinum L. B. Ziegler 1967-6-15 156 Riverside Hwy 79; approximately 1 mi south of Sage 762 Comment
  JOTR34488  Ericameria cooperi Andre, Jim 2012-4-16 20972 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  JOTR34482  Ericameria linearifolia Andre, Jim 2012-4-16 20965 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  RSA358580  Ericameria linearifolia Larry E. DeBuhr 1972-3-24 533 Riverside Santa Rosa Mts. along forest road 7S02 in San Bernardino National Forest 1768 Comment
  RSA180299  Ericameria palmeri var. pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles W of Murrieta. 610 Comment
  UCR238029  Ericameria pinifolia Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2046 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR277726  Ericameria pinifolia Kate Kramer 2016-11-29 369 Riverside San Jacinto Mountains, Living Free Animal Sanctuary, 0.6 mile east of the junction of Hwy 74 and Keen Camp Road 1471 Comment
  RSA740640  Erigeron breweri var. covillei Scott D. White, Justin M. Wood 2008-6-17 12176 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC282996  Eriochloa lemmonii Malcom A. Nobs; S. Galen Smith 1948-9-3 495 Riverside 2 miles north of Indio Comment
  POM262958  Eriodictyon crassifolium J. C. Roos 1941-5-10 131 Riverside San Jacinto River bridge, east of Hemet Comment
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Apr 29 2011
  POM3886  Eriodictyon crassifolium Jenkins, L. T. Street s.n. Riverside San Jacinto River Canyon. Comment
  RSA253145  Eriodictyon crassifolium Gary D. Wallace 1975-2-22 1398 Riverside San Jacinto Mtns., alaong hwy, 243, 3-5 mi. N of Poppet Flat Road turn off. Comment
  RSA455013  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1970-3-27 269 Riverside below Andreas Canyon Club clubhouse; Andreas Canyon. 305 Comment
  UCR41221  Eriodictyon crassifolium var. crassifolium N. M. Fellows 1984-3-20 10 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  UCR265844  Eriogonum Mitch Provance, Jeremiah George 2012-8-4 812- 37 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  SEINET6894776  Eriogonum W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  JEPS56713  Eriogonum davidsonii Marjorie D. Clary 1932-8-21 1089 Riverside Hemet Valley Colorado Desert, San Jacinto Mts., Hemet Valley 1371 Comment
  JOTR33944  Eriogonum davidsonii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2833 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  POM50183  Eriogonum davidsonii H. M. Hall 1901-06 2088 Riverside The vicinity of Chalk Hill 1524 Comment
  UC6238  Eriogonum davidsonii H. M. Hall June, 1901 2088 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR242669  Eriogonum davidsonii A. C. Sanders 2013-7-6 40844 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
  CAS-BOT-BC256127  Eriogonum deflexum var. deflexum Annie M. Alexander; Louise Kellogg 1941-5-28 2264 Riverside 2 miles east of Shaver Summit, Colorado Desert Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  JOTR34328  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-11 20832 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  OBI81681  Eriogonum fasciculatum Cecelia Call 1958-7-14 7 Riverside On Chase drive near Corona Comment
  RSA783804  Eriogonum fasciculatum J. D. Olmsted 1960-2-15 1096 Riverside 100ft from highest point in Jurupa Hills, Santa Ana River. 686 Comment
  SEINET208629  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1914-5-17 5986 Riverside unspecified 762 Comment
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Jul 30 2013
  UCR90741  Eriogonum fasciculatum var. foliolosum Scott D. White 1995-4-5 2734 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  OBI62134  Eriogonum fasciculatum var. polifolium P. A. Holden 1969-5-13 847 Riverside SE of the Mission Crk Indian Rservation and 2 mi W of hwy 62 Comment
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Apr 22 2013
  POM123087  Eriogonum fasciculatum var. polifolium Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SBBG35023  Eriogonum fasciculatum var. polifolium T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  UCR237691  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4759 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  UC56796  Eriogonum gracile H. M. Hall 1902-8-6 2655 Riverside vicinity of Riverside 457 Comment
  UCR274187  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-7 1441 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA66029  Eriogonum gracile var. gracile F. W. Peirson 1924-7-29 5029 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA615042  Eriogonum molestum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd (Truck Trail going up Santa Rosa Mountain), ca. 8 mi. SE of the junction with Hwy 74. West of Deep Canyon. Comment
  SEINET9356889  Eriogonum nidularium Unknown 1976-5-4 Riverside Red Mountain Road. Comment
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Dec 17 2019
  CAS-BOT-BC269784  Eriogonum nudum var. pauciflorum Marcus E. Jones 1924-8-29 s.n. Riverside San Jacinto Mts., Idyllwild Comment
  UCR35089  Eriogonum nudum var. pauciflorum L. B. Ziegler 1967-8-30 232 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  CAS-BOT-BC258240  Eriogonum pusillum Lewis S. Rose 1937-4-9 37126 Riverside Palms to Pines Highway, 18 mi. W. of Indio 1036 Comment
  SD95171  Eriogonum pusillum Anne Harrison 1962-4-17 32 Riverside south side of State Highway 74, near Toro Peak Comment
  CAS-BOT-BC253021  Eriogonum reniforme Geo. B. Grant 1906-4-20 6751 Riverside Palm Springs, Colorado Desert Comment
  POM122132  Eriogonum reniforme Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR38702  Eriogonum reniforme J. M. Stewart 1985-4-22 8517 Riverside Santa Rosa Mountains, Dead Indian Wash at Hwy 74, south of Palm Desert Comment
  JOTR32353  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  CAS-BOT-BC263510  Eriogonum thomasii Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canyon 10 miles east of Mecca, Colorado Desert Comment
  CAS-BOT-BC263521  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside Hills just n. of Milpitas Wash, Ogilby-Blythe Road Comment
  CAS-BOT-BC263544  Eriogonum thomasii F. H. Billings 1926-2-6 17 Riverside Desert near Palm Springs Comment
  CLARK-A1528-748  Eriogonum thomasii Fred B. Essig 1967-3-12 Riverside Joshua Tree Monument Comment
  POM13308  Eriogonum thomasii E. C. Jaeger 1921-5-20 1072 Riverside Palm Springs. Comment
  RSA510049  Eriogonum thomasii B. Pitzer 1988-3-10 657 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UC1329832  Eriogonum thomasii James E. Cole 1941-4-13 579 Riverside 0.5 mi n Meek's Cabin (Pinto Pass); Joshua Tree National Monument, Pinto Pass Comment
  UCR163924  Eriogonum thomasii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29130 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR2968  Eriogonum thomasii D. L. Flaherty 1963-4-11 131 Riverside Sonoran (Colorado) Desert, 10 miles east of Mecca on Highway 195 along side of road, Box Canyon 244 Comment
  UCD101296  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3681 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent sedimentary hills to E. 487 Comment
  UCR118213  Eriogonum thurberi Mitch Provance 1999-5-4 1694 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SEINET5331712  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmount Park. 244 Comment
  CAS-BOT-BC263584  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  CAS-BOT-BC268189  Eriogonum umbellatum var. munzii Frank W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  POM183873  Eriogonum wrightii var. membranaceum P. A. Munz 1932-10-16 12839 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  RSA0118094  Eriogonum wrightii var. membranaceum Sarah DeGroot, Duncan S. Bell 2015-9-21 7581 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Dunn Road, between Asbestos Mountains Haystack Mountain. 1241 Comment
  JEPS56121  Eriogonum wrightii var. nodosum Marjorie D. Clary 1932-12-13 771 Riverside 15 mi nw Indio (base of mountains in Deep Canyon); Colorado Desert, Deep Canyon 304 Comment
  POM123233  Eriogonum wrightii var. nodosum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA0097951  Eriogonum wrightii var. nodosum Duncan S. Bell 2014-11-14 7722 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR139390  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside Santa Rosa Mountains, north base of mountains, road [from] Indio to Vandeventer Flat 610 Comment
  UC126860  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside near Palm Springs; Colorado Desert 150 Comment
  UCR142191  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  RSA594045  Eriophyllum confertiflorum var. confertiflorum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0928 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  SBBG54342  Eriophyllum confertiflorum var. confertiflorum C. Davidson 1978-6-15 7392 Riverside Santa Rosa Pk, trail to the top 2407 Comment
  UCR103909  Eriophyllum multicaule B. G. Pitzer 1997-4-11 3110 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  RSA771119  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4922 -a Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET1906294  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-1 5195 Riverside Along snow Creek road, off highway 111, ~1 mi. from Snow Creek Village. 366 Comment
  SD143857  Erodium brachycarpum A. C. Sanders, G. Waines, et al. 1997-3-12 19842 Riverside Lake Skinner area: Lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  UCR199645  Erodium brachycarpum Scott D. White, Justin M. Wood 2008-3-25 11775 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR37471  Erodium brachycarpum Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  SBBG54326  Eryngium aristulatum var. parishii C. Davidson 1977-5-25 5653 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR154547  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-13 680 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
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Feb 3 2015
  RSA282905  Erysimum capitatum var. capitatum C. W. Tilforth, John Dourley 1980-7-15 2069 Riverside Along Thomas Mtn Road, south of Lake Hemet, W of Hwy 74. Comment
  SD229286  Erythranthe cardinalis Dick Schwenkmeyer 2012-6-27 747 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  CAS-BOT-BC9463  Erythranthe diffusa Philip Alexander Munz; Ivan Murray Johnston 1922-5-20 5467 Riverside Kenworthy THomas Valley 1463 Comment
  SD137602  Erythranthe floribunda Steve Boyd 1995-4-24 8492 Riverside Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near peak known as Agua on USGS Vail Lake 7.5' quadrangle 762 Comment
  CAS-BOT-BC166986  Erythranthe guttata Oleg Pryadko 2008-5-2 052 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  SD140040  Eschscholzia californica Scott White 1993-4-22 1243 Riverside Nor Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SDSU13326  Eschscholzia californica Ryan Jacobson, Jeremy Mass 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. About 1.5 miles from south-side facilities. 177 Comment
  UCR97488  Eschscholzia californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19869 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA69367  Eschscholzia californica var. peninsularis G. R. Campbell 1951-5-30 16140 Riverside just west of Cahuilla. 1067 Comment
  UCD94285  Eschscholzia minutiflora Shannon M. Still 2009-2-21 438 Riverside California. Riverside County. 223 Comment
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Sep 2 2017
  UCR132615  Eschscholzia minutiflora Kent Beaman 1983-4-9 06 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Hwy 62 on north side of Indian Ave., end of Worsley Road 549 Comment
  RSA0023222  Eschscholzia papastillii Robert F. Thorne 1963-3-29 32409 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  CAS-BOT-BC419618  Eschscholzia parishii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  GMDRC9793  Eschscholzia parishii J. M. Andre 2017-3-1 37990 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA799408  Eschscholzia parishii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 738 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  RSA0022920  Eschscholzia parishii F. W. Peirson 1921-4-13 5324 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  RSA0022923  Eschscholzia parishii Steve Boyd, Orlando Mistretta 1986-3-13 1452 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SEINET10904736  Eschscholzia parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3753 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  UCR162549  Eucalyptus camaldulensis 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
  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
  RSA583359  Eucrypta chrysanthemifolia Steve Boyd, D. L. Banks 1995-4-5 8420 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA704001  Eucrypta chrysanthemifolia Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 126 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  UCR258636  Eucrypta chrysanthemifolia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7900 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
  RSA682860  Eucrypta chrysanthemifolia var. bipinnatifida Scott D. White 2003-3-23 8832 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA644108  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White 1995-3-30 2640 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  UCR107414  Eucrypta chrysanthemifolia var. chrysanthemifolia B. G. Pitzer 1997-3-23 2954 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR33572  Eucrypta micrantha Faulkner 1978-3-15 273 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  UC20222  Eulobus californicus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  POM49795  Euonymus occidentalis var. parishii I. M. Johnston 1924-7-27 8790 Riverside Dark Canyon, San Jacinto Mountains. Comment
  UCR245990  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  VVC2056  Euphorbia abramsiana Tim Thomas, Alice Karl 2011-10-18 5526 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  UCR89245  Euphorbia albomarginata Scott D. White 1995-9-22 3683 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  SD27987  Euphorbia eriantha Carl B. Wolf 1932-4-29 Riverside Eastern Colorado desert, western edge of Maria Mountains, 17 miles from Blythe on Rice Road Comment
  UCR199835  Euphorbia eriantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-6-14 11262 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains, western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 570 Comment
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Jun 20 2011
  UCR5988  Euphorbia palmeri Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, across the street from entrance to San Jacinto Wilderness State Park, on roadside, in Idyllwild. 1809 Comment
  CLARK-A1656-887  Euphorbia polycarpa Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  UCR214124  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37732 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR128936  Euphorbia setiloba Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR5432  Eustoma exaltatum O. F. Clarke 1966-9-22 660922- 02 Riverside Santa Ana River bottom near Riverside Sewage Plant, Riverside Comment
  CAS-BOT-BC239709  Fabaceae Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC167363  Fagonia laevis A. C. Sanders; K. Rose 1995-4-27 16739 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 550 Comment
  LA209848  Fagonia laevis Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA27589  Fagonia laevis C. Leo Hitchcock 1940-4-2 5920 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA391189  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA576025  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UC68564  Fagonia laevis H. M. Hall Apr 1905 5806 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  UCSB31031  Fagonia laevis Steele, R. 1977-3-28 Riverside Six miles southeast of interstate 10 along Box Canyon Road 304 Comment
  SEINET912731  Fagonia pachyacantha Annie M. Alexander, Louise Kellogg 1941-1 2233 Riverside Box Canyon, east of Mecca. 243 Comment
  SD148116  Fatoua villosa A. C. Saunders, T. B. Saunders 2001-10-8 24878 Riverside Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E. Campus Dr. just N of the reservoir 351 Comment
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Sep 24 2017
  RSA0126277  Festuca octoflora Duncan S. Bell 2016-3-4 8807 Riverside Orocopia Mountains; northwest section of the range, in a small canyon approximately 4 air miles north northwest of the Orocopia Mountain summit area. 622 Comment
  UCR279237  Festuca octoflora Ginny Short 2017-3-17 002 Riverside Coachella Valley, Indio Hills, near Moon Country Trail, c. 0.8 mile west of Thousand Palms Canyon Road and 2.4 miles north of El Ramon Road 247 Comment
  UCR174080  Filago californica A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32514 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR112979  Filago depressa B. G. Pitzer, T. Tennant 1998-2-21 3540 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  UCR166301  Filago depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16129 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR204229  Filago depressa Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1090 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  UCR261411  Filago depressa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41432 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
  UCR15606  Filago gallica George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  UCR48385  Filago gallica Steve Boyd 1986-5-7 1842 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  SDSU12259  Foeniculum vulgare Jeremy Mass, Ryan Jacobsen 2000-4-19 6 Riverside Growing near the streambed of Stone Creek ca. 15 ft east of the road near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  RSA0018447  Fragaria vesca F. W. Peirson 1922-5-19 3038 Riverside San Jacinto River. 1143 Comment
  RSA0045508  Franseria dumosa William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  POM122820  Frasera parryi Marcus E. Jones 1926-6-20 s.n. Riverside Near Idyllwild Comment
  UCR95953  Frasera parryi Scott D. White 1996-8-1 4411 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM9990  Frasera parryi H. M. Hall 1901-07 s.n. Riverside In the vicinity of Strawberry Valley. 1585 Comment
  CAS-BOT-BC212968  Fremontodendron californicum H. M. Hall 1899-6-1 1222 Riverside Lytle Creek Canyon, San Antonio Mountains 1066 Comment
  UCR35265  Fremontodendron californicum L. B. Ziegler 1968-6-12 315 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley (= Garner Valley) 1463 Comment
  UCR67368  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3907 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  SBBG50861  Funastrum cynanchoides var. hartwegii R. W. Woglum 1934-3-18 636 Riverside Snow Crk, (NW of Palm Springs) 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
  UCD121395  Funastrum cynanchoides var. hartwegii Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 272 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon. 304 Comment
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Jun 20 2013
  SEINET10580702  Funastrum hirtellum Dunn 1932-3-26 Dunn s.n. 1932 Riverside Box Canyon Comment
  RSA508016  Galium andrewsii subsp. andrewsii Steve D. Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2292 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SDSU9314  Galium angustifolium S. J. Barnhart 1966-4-24 660424 -5 Riverside 0.1 mile E of McAliister Street along the Metropolitan Water Co. Uitility Rd. (dirt), which is 1.5 mile SE of the intersection of McAliister Street and Victoria Avenue. 457 Comment
  UCR270316  Galium angustifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8342 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  JEPS30387  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside along trail to Suicide Rock and Mt. San Jacinto n Idyllwild; San Jacinto Mts. Comment
  JEPS56074  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4178 Riverside Hwy 79 17.2 mi s Hemet (n-facing slope) Comment
  POM46850  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 B Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA0099989  Galium angustifolium subsp. angustifolium Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8580 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC28166  Galium angustifolium subsp. angustifolium Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  JOTR16839  Galium angustifolium subsp. gracillimum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1676 Comment
  UCR4674  Galium angustifolium subsp. jacinticum Frank C. Vasek 1964-7-25 640725- 25 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  POM367762  Galium aparine Robert Gustafson 1985-5-20 3115 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale. Comment
  RSA701504  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1298 Riverside Along Chimeny Flats Road (5S06) near intersection with Red Hill Road (5S10), on the way to Alvin Meadows. 1463 Comment
  JOTR33777  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2929 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  UCR116473  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR277921  Galium porrigens Mitch Provance 2011-6-3 611- 01 Riverside Badlands of Western Riverside County, Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy. 60. 756 Comment
  RSA673734  Galium porrigens var. porrigens Scott D. White, W. La Haye 2000-5-27 7937 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  POM14223  Galium stellatum Philip A. Munz, D. D. Keck 1922-4-9 4792 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  RSA779685  Galium stellatum subsp. eremicum Duncan S. Bell 2010-4-2 696 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  UCR17453  Galium stellatum subsp. eremicum 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
  UCR143354  Garrya flavescens subsp. pallida W. E. Pequegnat 1940-12-14 s.n. Riverside Santa Ana Mtns., Main Divide Truck Trail 1524 Comment
  UCR199714  Gaura sinuata Scott D. White, Justin Wood 2008-6-26 12292 Riverside Perris Basin, I-215 freeway just north of San Jacinto River crossing 431 Comment
  UCR193412  Gayophytum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35631 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
  SEINET10969634  Gayophytum nuttallii David B. Dunn 1946-8-18 Dunn 2750 Riverside Wellman. Sieniga springs on trail. Peek. San jacinto mts. Comment
  RSA0018591  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA795974  Geraea canescens Duncan S. Bell 2009-4-19 295 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UC598733  Geraea canescens John Bright 1936-4-21 12552 Riverside n Palm Springs; Colorado Desert Comment
  RSA180450  Geranium dissectum E. W. Lathrop 1965-5-30 5783 Riverside 6 miles W of Murrieta. Comment
  UCR154400  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16214 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
  UCR263471  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35591 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  JEPS69449  Gilia angelensis Dr. L. M. Newlon 1922-4-3 433 f Riverside Andreas Canyon San Jacinto Mts., Andreas Canyon Comment
  RSA612480  Gilia angelensis D. L. Banks 1997-2-23 1337 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA678447  Gilia angelensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10457 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
  RSA800742  Gilia angelensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipline route. 366 Comment
  UC737253  Gilia angelensis Frank W. Gould 1943-4-18 2148 Riverside 1 mi w Banning (in the foothills of the San Jacinto Mountains); San Jacinto Mountains Comment
  SEINET7040155  Gilia angelensis A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  UCR133440  Gilia capitata Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 201 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  RSA67306  Gilia diegensis G. R. Campbell 1951-4-22 16003 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  CAS-BOT-BC123780  Gilia hallii Harvey Monroe Hall 1899-5-1 s.n. Riverside El Toro Mt. Comment
  UCR23210  Gilia ochroleuca J. C. Lyman 1981-5-15 s.n. Riverside San Jacinto Mtns, May Valley Road, Idyllwild Comment
  CAS-BOT-BC407608  Gilia ochroleuca subsp. exilis Blanche Trask 1904-11-1 191 Riverside Santa Rosa Mts.; Sta. Rosa Pk Comment
  CAS-BOT-BC407613  Gilia ochroleuca subsp. exilis Verne Grant; Alva Grant 1951-7-22 16107 Riverside San Jacinto Mts., 1 mile N of Fulmor Lake on road from Idyllwile to Banning 1371 Comment
  RSA0016277  Gilia ochroleuca subsp. exilis Ora M. Clark 1929-3-16 1687 Riverside South of Cabazon. Comment
  RSA0017085  Gilia ochroleuca subsp. exilis Marcus E. Jones 1889-4-20 10311 Riverside San Jacinto. Comment
  UCR23211  Gilia sinuata J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  UC937310  Gilia stellata I. W. Clokey 1935-4-17 6801 Riverside Cottonwood Springs Comment
  UCR275446  Gilia stellata Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-30 919 A Riverside Sonoran (Colorado) Desert, McCoy Wash, east side of McCoy Mountains, pavement plain, c. 7 miles north of I-10 335 Comment
  RSA395909  Githopsis diffusa subsp. diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR23687  Githopsis diffusa subsp. diffusa John C. Roos 1950-4-22 4750 Riverside Hills NE of the summit of Reche Canyon 823 Comment
  CAS-BOT-BC280555  Glyceria elata J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  POM17942  Gnaphalium californicum P. A. Munz 1923-6-14 7113 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  UCR90599  Gnaphalium californicum Scott D. White 1995-6-29 3380 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR133947  Gnaphalium canescens subsp. microcephalum John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  CAS-BOT-BC307399  Gnaphalium palustre A. C. Sanders; Guy Bruyea 2003-6-12 26886 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave. ca. 1 km west of Hwy 79/Winchester Road 445 Comment
  RSA678953  Gnaphalium palustre Scott D. White, Michael Honer 2003-6-3 9455 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR21313  Gnaphalium stramineum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR90364  Gnaphalium stramineum Scott D. White 1995-6-30 3425 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA0004481  Godetia quadrivulnera var. rubrissima H. M. Hall 1905-06 6240 Riverside East base Box Springs Mt. 610 Comment
  SDSU18664  Grayia spinosa Michael G. Simpson, Kristen Hasenstab 2008-4-2 2952 Riverside Joshua Tree National Park. Southern end of Hidden Valley. 1333 Comment
  SEINET3071480  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17497 Riverside Queen Mountain quadrangle, zone 11 0584612mE 3763271mN NAD83, Queen Valley, 14.5 km SSW of Twenty Nine Palms, 2.2km south of Negro Hill 1354 Comment
  RSA614287  Guillenia lasiophylla D. L. Banks, V. W. Steinmann 1997-3-13 1521 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA736660  Gutierrezia californica Justin M. Wood 2008-7-16 26 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 27 2010
  CHSC84681  Gutierrezia microcephala John Dittes 2002-1-4 2 46 C Riverside Mojave Desert; Pinto Mountains, ca. 10 air-miles south of Twentynine Palms, 0.3 mile south of White Tank Campground. 1173 Comment
  UC1118605  Gutierrezia sarothrae A. Lewis 1934-5-1 459 Riverside Leach Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UCR85386  Haplopappus acradenius A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15879 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  UCR48477  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. 381 Comment
  RSA0066601  Harpagonella palmeri Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  RSA0066616  Harpagonella palmeri P. A. Munz, Ivan M. Johnston 1922-5-19 5335 a Riverside 5 mi NE of Murietta. 427 Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA360021  Helianthus niveus subsp. canescens A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  UCR136279  Heliotropium curassavicum A. C. Sanders 2004-6-20 28233 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  UCD132956  Helminthotheca echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region: Moreno Valley, east side of ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth. 476 Comment
  SDSU4752  Hemizonella minima D. F. Howe 1941-6-8 1110 Riverside San Jacinto Mts. 1829 Comment
  SEINET2052675 Image available Hemizonia fasciculata Steven J. Southwell 1971-5-25 Riverside E. side of Pidgeon Pass Rd. approx. 3 miles N of Hwy 74. 609 Comment
  RSA564049  Hemizonia kelloggii A. C. Sanders 1993-5-17 14063 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 Comment
  RSA614685  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mts.: N slope of the mts.; nameless tributary of Azalea Creek ca. 1 mile due S of the Twin Pines Ranch building. 1128 Comment
  RSA791795  Hemizonia paniculata J. George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Road and Collier Ave. junction. 384 Comment
  UCR150557  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR189577  Hemizonia pungens subsp. laevis Lee A. Ripma 2007-6-27 002 Riverside San Timoteo Canyon, San Timoteo Canyon Road c. 5 mi west of the junction of Hwy 10 and Hwy 60 and c. 9 mi southeast of Redlands, near county park boundary 644 Comment
  UCR23816  Hemizonia pungens subsp. laevis John C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  UCR241836  Hemizonia pungens subsp. laevis A. C. Sanders, Timothy W. Chumley 2013-4-1 40726 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  CAS-BOT-BC508659  Hesperocallis undulata Lester Rowntree 1937-3-23 s.n. Riverside Coachella Valley near Hidden Springs Comment
  CAS-BOT-BC508663  Hesperocallis undulata Mrs. Jos. Clemens 1922-4-10 s.n. Riverside Mecca Comment
  UCR100297  Hesperocnide tenella B. G. Pitzer 1997-4-20 3185 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UCR22052  Hesperocnide tenella Steve Boyd 1980-4-27 151 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  CAS-BOT-BC434234  Hesperoyucca whipplei Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 41 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Hathaway Canyon. 884 Comment
  CLARK-A1045-1309  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  SD232792  Heteromeles arbutifolia A. C. Sanders 1995-11-26 17913 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. 1203 Comment
  UCR92617  Heterotheca sessiliflora subsp. echioides Scott D. White 1995-8-23 3591 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  LA208989  Heuchera caespitosa M. Hilend; 1928-8-7 Riverside Summit- San Jacinto Peak Comment
  RSA0104950  Heuchera hirsutissima Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8567 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  SBBG98223  Heuchera hirsutissima M. B. Dunkle 1933-7-19 3688 Riverside Tahquitz Pk 2651 Comment
  UCR30525  Heuchera hirsutissima K. Stolte 1983-6-12 s.n. Riverside San Jacinto Mtns., Snow Creek 1677 Comment
  UCR35279  Heuchera hirsutissima L. B. Ziegler 1969-7-4 400 Riverside San Jacinto Mtns., North slope above Black Mtn. Camp and east of Black Mtn 2348 Comment
  RSA719237  Hibiscus denudatus Michael Honer, L. Hulse 2004-4-3 1915 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  POM360445  Hieracium albiflorum E. C. Jaeger 1921-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  POM48033  Hieracium albiflorum P. A. Munz, I. M. Johnston 1924-7-27 8750 Riverside Dark canyon 1982 Comment
  SEINET4585072  Hilaria rigida E. Neese 1979-4-10 7077 Riverside About 25 miles west of Blythe, along I-10 244 Comment
  UCR85750  Hilaria rigida George K. Helmkamp 1994-4-26 88- 01 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA709185  Holocarpha virgata subsp. elongata A. C. Sanders, Kelly Volansky 2005-8-31 31599 Riverside 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., ca 0.5 mi. N of Tenaja Rd. 671 Comment
  CAS-BOT-BC285037  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  UCR211707  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6328 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  SEINET954330 Image available Hordeum intercedens Mitch Provance 2005-1 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 396 Comment
  UCR269909  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3652 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR92703  Hordeum intercedens A. C. Sanders, D. Malueg, K. D. Jones 1996-4-20 18057 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR265605  Hordeum murinum Jordan Zylstra 2014-3-18 14010 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA593918  Hordeum murinum subsp. leporinum Steve Boyd, Dave Bramlet 1996-4-19 8593 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
  POM230992  Horsfordia alata Marjorie D. Clary 1932-12-11 2566 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains 152 Comment
  UCSB26717  Hulsea heterochroma Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along Riverside County Road R1, 7.0 miles northeast of Idyllwild, San Jacinto Mtns. 1645 Comment
  RSA34537  Hulsea vestita subsp. callicarpha N. C. Cooper 1944-5-20 1254 Riverside Palms to Pines Hwy. San Jacinto Mts. 1432 Comment
  RSA797248  Hulsea vestita subsp. callicarpha R. F. Thorne, Walter Wisura 1977-9-17 50786 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR83548  Hydrocotyle umbellata A. C. Sanders, P. MacKay, L. & P. Lubinsky 1994-10-30 15855 Riverside San Bernardino Mtns., Whitewater Canyon near Stills Landing 1040 Comment
  CAS-BOT-BC312628  Hymenopappus filifolius var. lugens H. M. Hall 1899-5-25 11781 Riverside Western borders of the Colorado Desert. Coyote Canyon 1524 Comment
  UC19044  Hypericum formosum var. scouleri H. M. Hall 1897-7-20 9689 Riverside San Jacinto Mts. - streams at 5300 ft San Jacinto Mts. 1615 Comment
  UCR232023  Hypochaeris glabra John F. Green 2008-4-24 16- 04 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  JOTR29560  Hyptis emoryi Andre, Jim, Tasha LaDoux 2006-4-11 6734 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA516910  Hyptis emoryi Steve Boyd, Orlando Mistretta 1986-3-13 1451 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  SFV5022  Hyptis emoryi F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Rocky roadside, Seven Level Hill about 10 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UCD124913  Hyptis emoryi Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCR244923  Hyptis emoryi Jim Andre 2012-3-19 21372 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR19014  Imperata brevifolia John C. Roos 1965-7-22 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  RSA234046  Isoetes howellii R. F. Thorne, E. W. Lathrop 1969-5-12 37942 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UC1605510  Isoetes howellii Terry O'Brien May 1995 2130 Riverside ca 5 mi sw of Grand Ave in Murrieta on Clinton Keith Rd Mesa de Colorado; Santa Rosa Plateau Preserve 600 Comment
  UC857719  Isomeris arborea N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Oasis Comment
  RSA182247  Ivesia saxosa James Henrickson 1965-6-8 2000 Riverside In Joshua Tree Nat. Monument, 3/4 mi. NW of Hidden Valley 1280 Comment
  UCD51381  Jarava speciosa A. A. Beetle 1946-6-10 4387 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  RSA613135  Jepsonia parryi D. L. Banks 1997-3-6 1405 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR261370  Juglans A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41571 Riverside Peninsular Range, Temescal Valley, open parcel on west side of Horsethief Canyon Rd. and south of DePalma Rd. 387 Comment
  CAS-BOT-BC140653  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  UCR281225  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 57 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  SD225005  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1100 Comment
  SDSU14318  Juncus arcticus var. mexicanus Kristin Andrade, Mike Simpson 2002-4-20 12 Riverside On north side of Santa Margarita river, 500 feet from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  RSA69674  Juncus bufonius F. W. Peirson 1919-4-14 2845 Riverside Murray Canyon, near Palm Springs. Comment
  RSA719519  Juncus bufonius Naomi Fraga, et al. 2006-7-11 1725 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA254371  Juncus luciensis E. W. Lathrop 1975-5-4 5451 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burro, 3.0 miles W of Murrieta. Comment
  RSA0123702  Juncus macrophyllus Duncan S. Bell, Thomas Stoughton 2016-4-12 9236 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  UCD169325  Juncus macrophyllus A. C. Sanders 2008-7-25 35885 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
  POM14977  Juncus oxymeris Mary F. Spencer 1922-6-17 1986 Riverside Idyllwild, San Jacinto Mountains. 1677 Comment
  RSA368089  Juncus oxymeris M. B. Dunkle 1933-7-19 3668 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  UCR35289  Juncus oxymeris L. B. Ziegler 1972-6-28 488 Riverside San Jacinto Mtns., Penrod Canyon (a tributary of the S Fork of the San Jacinto River) --upper Hemet (Garner) Valley. 1570 Comment
  RSA191406  Juncus rugulosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6618 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA674566  Juncus rugulosus Scott D. White 2000-5-3 7769 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  NY247726  Juncus tiehmii B. J. Ertter 1979-6-26 2971 Riverside Behind Kenworthy Ranger Station, near highway 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 762.0 Comment
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Mar 25 2011
  RSA708218  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside Indian Creek and adjacent foothills. 549 Comment
  RSA496127  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3006 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA605787  Juniperus californica Scott D. White 1995-12-30 3803 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 441 Comment
  RSA86343  Juniperus californica F. W. Peirson 1922-12-27 3332 Riverside Between forks of Andreas Canyon, near Palm Springs 609 Comment
  JEPS9201  Justicia californica Marjorie D. Clary May, 1930 9 a Riverside Deep Canyon s. Colorado Desert, Santa Rosa Mts., Deep Canyon 152 Comment
  POM6744  Justicia californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2383 Riverside Palm Canyon 183 Comment
  RSA778143  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  RSA788986  Justicia californica Aaron C. Sedgwick, David Fraker 2012-3-28 20 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR143425  Justicia californica Nesta Dunn, A. M. Martin 1932-3-26 s.n. Riverside Sonoran (Colorado) Desert, Shavers Well 305 Comment
  JOTR35989  Kallstroemia californica Harding, Mitzi, Mark Wheeler 2012-9-4 200 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  SBBG129032  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-10 40414 Riverside Sonoran (Colorado) Desert: 120 Comment
  SEINET13768160  Keckiella antirrhinoides A. C. Sanders, G. Helmkamp 1997-3-15 19952 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UCSB11619  Keckiella antirrhinoides Wisehart, Karen 1962-5-5 Riverside along roadside; 2.2 miles south of Banning train station; on road to Idyllwild 792 Comment
  CHSC89890  Keckiella antirrhinoides var. antirrhinoides L. P. Janeway 2004-5-8 8067 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  RSA649981  Keckiella cordifolia Dick Slanker 1949-3-17 s.n. Riverside Palm Springs Desert (near town) 76 Comment
  UC489080  Keckiella rothrockii var. jacintensis C. V. Meyer 1928-7-27 Riverside Round Valley; San Jacinto Mt. 2773 Comment
  UC729831  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 Riverside trail from Idyllwild to Tahquitz Valley; San Jacinto Mts., Summit of Devil's Slide 2438 Comment
  JEPS13633  Keckiella ternata Peter Kamb 1948-7-4 1184 Riverside below Barton Lookout (Banning-Idyllwild road); San Jacinto Mts. 1158 Comment
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May 24 2012
  RSA792473  Koeberlinia spinosa var. tenuispina Justin M. Wood, Dustin Ray 2011-4-28 3835 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  POM17823  Koeleria macrantha P. A. Munz, D. Keck 1923-6-14 7076 Riverside Glen Ivy Trail to Santiago Peak. 1584 Comment
  UCD86080  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mts., Banning Road west of Idyllwild. 1676 Comment
  UCD86081  Koeleria macrantha H. M. Reed 1932-7-3 7294 Riverside San Jacinto Mts., Camp Emerson. Comment
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May 1 2011
  UCR242670  Koeleria macrantha A. C. Sanders 2013-7-6 40845 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11 1793 Comment
  SD21520  Krameria bicolor Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  POM301793  Krameria erecta J. Cole 1942-5-19 968 Riverside White Tanks Area, Joshua Tree National Monument. 61 Comment
  UC667260  Krameria erecta Annie M. Alexander and Louise Kellogg 1941-5-11 2150 Riverside Cottonwood Spring Eagle Mountains, Cottonwood Spring (on side of canyon, Eagle Mountains) 883 Comment
  UCR85433  Krameria erecta George K. Helmkamp 1994-4-26 88- 3 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  CAS-BOT-BC154105  Krameria grayi M. McCollum 1976-6-10 s.n. Riverside 4 mi W. of Desert Hot Springs Comment
  UCR16328  Krameria grayi M. J. Arbaugh 1978-5-27 s.n. Riverside Coachella Valley/Colorado Desert, 2 mi. east of Cabazon on side of telephone access road. Comment
  UCR272254  Krameria grayi Duncan S. Bell, Amanda Turek 2009-3-29 154 Riverside Mojave Desert, large western drainage of the Arica Mountains, within the Palen/McCoy wildernes area 434 Comment
  RSA630338  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  SD136908  Lactuca serriola Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7678 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; upper San Mateo Canyon,from the junction of Tenaja Road and Los Alamos Creek. 395 Comment
  UC64845  Laennecia coulteri E. A. Zumbo 1904-1-1 438 Riverside Cold Water Canyon Santa Ana Mts. Comment
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Jan 11 2007
  UCR1617  Lamarckia aurea R. G. Barber 1962-5-12 s.n. Riverside Peninsular Range, Riverside, north of Big Springs Canyon on the top of Box Springs Mtn. 915 Comment
  UCR174114  Lamarckia aurea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32609 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
  UCR2509  Lamarckia aurea F. M. Reed 1904-1-5 221 Riverside Riverside, Victoria Ranch Comment
  JEPS69831  Langloisia setosissima subsp. setosissima Mary Beal 1941-4-6 859 Riverside Painted Canyon, Mecca Hills Colorado Desert, Mecca Hills, Painted Canyon Comment
  JOTR28942  Larrea tridentata La Doux, Tasha 2005-3-30 1178 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR29391  Larrea tridentata La Doux, Tasha, Mike Bell 2006-5-10 1468 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA0121415  Larrea tridentata Duncan S. Bell, LeRoy Gross 2016-3-30 9183 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA727007  Larrea tridentata Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1444 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA760807  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 156 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  RSA761098  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 105 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA766607  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 176 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  UCR167201  Larrea tridentata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR214295  Larrea tridentata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37474 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA390026  Larrea tridentata Anstruther Davidson 1893-03 s.n. Riverside [Unspecified] Comment
  RSA594508  Lastarriaea coriacea D. L. Banks, Dylan Hannon 1996-5-3 994 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
  RSA753534  Lastarriaea coriacea M. Wall 2009-5-29 513 Riverside Bautista Canyon east of Hemet, ca. 8 miles SE of jct. with Fairview Ave. 756 Comment
  RSA495408  Lasthenia coronaria Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2939 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SD255653  Lasthenia coronaria A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41440 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 427 Comment
  UC1746480  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 Riverside Devils Garden; San Bernardino Mtns.; Colorado Desert 701 Comment
  UCR152634  Lasthenia coronaria A. C. Sanders 2005-4-22 29588 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR18317  Lasthenia coronaria Saul Frommer 1979-4-19 s.n. Riverside Peninsular Range, near Aguanga, on Hwy R3 [closer to Radec] 549 Comment
  UCR91214  Lasthenia coronaria Scott D. White 1996-3-31 3865 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  CAS-BOT-BC328102  Lasthenia glabrata subsp. coulteri Mitch Provance 2005-5-17 6555 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 421 Comment
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Apr 27 2018
  CAS-BOT-BC328105  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 1.6 km W of Nuevo and 120 m N of the end of 11th Street. 45 m E of the San Jacinto River. 433 Comment
  JEPS17279  Lasthenia glabrata subsp. coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1486 Riverside Cahuilla Valley Comment
  RSA736568  Lasthenia gracilis Keith E. Hoffmaster 1935-3-3 839 Riverside Near Santa Ana River, north of Arlington. Comment
  UCR128296  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR270179  Lathyrus vestitus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42398 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR59760  Lathyrus vestitus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3062 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  RSA33776  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-6-4 1374 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR216396  Lathyrus vestitus subsp. vestitus Mike Bell 2008-3-30 023 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  SDSU13342  Lathyrus vestitus var. alefeldii C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 372 Comment
  JEPS40026  Layia glandulosa W. L. Jepson 1901-5-19 1280 Riverside Strawberry Valley; San Jacinto River Canyon 640 Comment
  POM294111  Layia glandulosa Lyman Benson 1946-4-15 12018 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  RSA757620  Layia glandulosa LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4338 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JEPS40023  Layia platyglossa W. L. Jepson 1901-5-20 1322 Riverside Thomas Valley (prob. Garner Valley); Mt. San Jacinto Range 1341 Comment
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Feb 16 2013
  RSA747957  Layia platyglossa Justin M. Wood 2009-5-15 711 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UC828957  Layia platyglossa P. A. Munz and I. M. Johnston 1922-5-20 5453 Riverside 2 mi below Kenworthy; San Jacinto Mountains 1402 Comment
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Mar 25 2011
  UCR3424  Layia platyglossa John Kitasako 1964-5-10 45268 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley, 6 mi SE of Hemet Reservoir 1372 Comment
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Jan 7 2013
  RSA603794  Layia platyglossa subsp. campestris Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles N of Elsinore Comment
  UCR16695  Layia platyglossa subsp. campestris E. W. Lathrop 1971-3-21 7454 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  RSA0057841  Layia platyglossa subsp. campestris Paul McLaughlin 1976-4-9 0409762 Riverside Box Springs Mountains. One mile west of Box Springs Mtn. Road along a County Park trail. 822 Comment
  SD181796  Lemna Scott D. White 2001-6-29 8626 A Riverside Menifee Valley: Ca. 1.4 miles southwest of the I215/Newport Road Interchange, northwest of the intersection of Holland Road and Bradley Road. 438 Comment
  SD6338  Lemna Unknown 1881-5-13 Riverside Temecula. Comment
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Mar 27 2011
  SDSU13654  Lemna minuta W. Miller 1972-8-9 Riverside 357 Comment
  SEINET12872762  Leonotis nepetifolia A. Sanders, Young, Katie 2015-3-23 41433 Riverside Cabazon Comment
  UCR127542  Lepidium A. C. Sanders, T. B. Salvato 2003-5-21 26784 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
  UCR85526  Lepidium chalepense Scott D. White 1993-3-12 1147 Riverside Near Winchester, along Leon Road 445 Comment
  JOTR31807  Lepidium fremontii La Doux, Tasha, Bill Truesdell 2007-11-9 2515 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  UC421649  Lepidium fremontii John Thomas Howell 1928-1-30 3305 Riverside 2 mi e Shaver Well; Colorado Desert Comment
  UC710906  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash Cottonwood Springs Comment
  UCR41832  Lepidium lasiocarpum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6031 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UC673522  Lepidium lasiocarpum var. lasiocarpum Herbert L. Mason 1928-3-11 4243 Riverside near Indio Comment
  UCR127146  Lepidium latifolium A. C. Sanders, Guy Bruyea 2003-6-12 26888 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  SD140144  Lepidium nitidum Scott White 1993-4-20 1203 Riverside Estelle Peak, Gavilan Hills 825 Comment
  SDSU17495  Lepidium virginicum var. pubescens Jerry Jenkins 2001-3-31 2001 -017 Riverside Santa Margarita Ecological Reserve. Sandy path on east side of river, UTM zone 6, 481850E, 3699100N. UTM transfered to GIS. Comment
  RSA543754  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6074 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA576089  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  RSA715299  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 Riverside 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. 579 Comment
  UCR220117  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2633 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  CAS-BOT-BC329440  Lepidospartum squamatum Lewis S. Rose 1935-12-21 35678 Riverside Colorado Desert. Whitewater Wash, 3 mi SE of Palm Springs Station 304 Comment
  UCR277748  Leptochloa fusca subsp. uninervia Mitch Provance 2012-10-15 1012- 08 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  UCR2515  Leptochloa uninervia F. M. Reed 1920-3-25 4201 Riverside Sonoran (Colorado) Desert, Coachella, Salton Basin 46 Comment
  POM145505  Leptosiphon androsaceus J. B. Feudge 1924-5-10 797 Riverside Beaumont 732 Comment
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Nov 17 2011
  RSA508013  Leptosiphon ciliatus Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2295 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA282787  Leptosiphon lemmonii C. W. Tilforth, B. Busenberg 1980-10-6 1989 Riverside Small moist wash 3.8 miles in from Highway 74 along Thomas Mtn. Road, south of Hemet. Comment
  RSA0083863  Leptosiphon pygmaeus subsp. continentalis Andrew C. Sanders 1997-4-3 20164 Riverside Lake Skinner area: hills NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road. 503 Comment
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  SBBG72428  Lesquerella tenella S. W. Hutchinson -Feb-1927 Riverside Colorado Desert Comment
  UCR23837  Lessingia filaginifolia John C. Roos 1965-8-19 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  RSA674604  Lessingia glandulifera var. glandulifera Scott D. White 2000-8-5 8096 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  OBI69966  Leymus condensatus L. LaPre 1988-6-3 s.n. Riverside Indian Trls project site, Indian Truck Trl exit on W side of I-15 fwy in Temescal Cyn, ca 1/4 mi from the fwy near the dirt rd Comment
  RSA388404  Leymus condensatus R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61183 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  POM12132  Leymus triticoides Mary F. Spencer 1921-5-29 1690 Riverside San Jacinto 549 Comment
  UCR201637  Limnanthes gracilis Scott D. White, Justin M. Wood 2008-6-18 12218 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  POM13003  Limosella acaulis Philip A. Munz, I. M. Johnston 1922-5-19 5430 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA20306  Linanthus aureus Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9528 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  SBBG5977  Linanthus bigelovii H. and M. Dearing 1942-3-6 4811 Riverside Cathedral City Comment
  RSA228831  Linanthus californicus Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 591 Riverside Cleveland National Forest; 8.5 miles south of Lake Elsinore along Forest Route 6S08. Comment
  RSA336174  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52004 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA496473  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA68310  Linanthus dianthiflorus subsp. dianthiflorus G. R. Campbell 1951-5-30 16114 Riverside 9 miles west of Anza. 1067 Comment
  POM158446  Linanthus dianthiflorus subsp. farinosus P. A. Munz 1927-5-21 10858 Riverside San Carlos Pass, east of Ansa. 1372 Comment
  UC205674  Linanthus jonesii E. E. Schellenger Riverside Colorado Desert Comment
  UCR101467  Linanthus pygmaeus A. C. Sanders 1997-4-3 20164 Riverside Lake Skinner area, hills NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA85440  Linaria canadensis var. texana J. C. Roos 1952-4-9 5504 Riverside north side of Mt. Rubidoux 381 Comment
  UCR60269  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  RSA387368  Loeflingia squarrosa Steve Boyd 1986-4-19 1699 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  RSA644007  Loeflingia squarrosa var. squarrosa V. W. Steinmann, M. T. Wedlake 1995-4-8 657 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  RSA67046  Loeseliastrum schottii Verne Grant, Alva Grant 1951-4-7 15989 Riverside Below Morongo Valley on road to White Water 732 Comment
  SBBG81482  Loeseliastrum schottii S. A. Junak 1983-3-24 1662 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  SD241133  Loeseliastrum schottii Dave Silverman, Onkar Singh 2010-3-27 7866 Riverside McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, W of A Canal/Levee Blvd., and ca. 7 km N of Blythe Airport. 135 Comment
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Apr 24 2017
  RSA0123279  Logfia filaginoides Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8992 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
  UCR59859  Logfia filaginoides J. M. Stewart 1988-3-21 623 Riverside Sonoran (Colorado) Desert, Corn Spring Canyon about 2 miles west of Aztec Well 688 Comment
  POM356978  Lolium temulentum N. C. Cooper 1944-5-6 1171 Riverside Banning. 701 Comment
  JEPS14183  Lomatium dasycarpum subsp. dasycarpum Carl V. Meyer 1929-6-18 784 Riverside upper end Hemet Valley (San Jacinto Mts.); , Hemet Valley Comment
  UC875217  Lomatium utriculatum Marcus E. Jones, A. M. 1882-4-25 3172 Riverside San Jacinto Comment
  UCR116917  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23954 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  CLARK-A1528-382  Lonicera interrupta C. M. Flanagan 1973-5-31 OO 603 Riverside Morongo Indian Reservation 914 Comment
  CAS-BOT-BC234805  Lonicera subspicata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mts. 1524 Comment
  UCR95946  Lonicera subspicata Scott D. White 1996-8-1 4439 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  POM17806  Lonicera subspicata var. denudata P. A. Munz 1923-6-14 7052 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  PASA278  Lonicera subspicata var. johnstonii 1920-6-22 Riverside Dripping Springs, Temecula River 457 Comment
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Jun 24 2016
  CAS-BOT-BC198547  Lotus Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  SEINET272332  Lotus argophyllus A. C. Sanders, O. F. Clarke; H. Forster 1997-3-2 19765 Riverside Box Springs Mtns.: E side of the range in Pigeon Pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  UC864765  Lotus argophyllus var. argophyllus C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4638 Riverside Perris-Gavilan Peak 600 Comment
  RSA802097  Lotus crassifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4982 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA0018560  Lotus crassifolius Keith E. Hoffmaster 1937-7-5 819 Riverside San Jacinto Mtns. Comment
  UC488993  Lotus crassifolius var. crassifolius C. V. Meyer Jun 1927 182 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
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Sep 14 2010
  RSA180428  Lotus hamatus E. W. Lathrop 1965-5-30 5771 Riverside 6 miles W of Murrieta. Comment
  RSA586095  Lotus hamatus D. L. Banks, S. D. Boyd 1995-4-5 0136 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
  UCR143489  Lotus haydonii B. C. Templeton, I. W. Clokey 1930-4-9 1011 Riverside Sonoran (Colorado) Desert, N of Palm Springs 400 Comment
  UCR22014  Lotus humistratus Steve Boyd 1980-5-22 299 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  UC15662  Lotus nevadensis var. nevadensis H. M. Hall 1901-7 2491 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  UCR193955  Lotus oblongifolius A. C. Sanders 2008-7-25 35889 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
  UCR257222  Lotus purshianus Naomi Fraga, Et al. 2008-8-28 2610 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  JOTR30995  Lotus rigidus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1596 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  POM13048  Lotus rigidus P. A. Munz, D. D. Keck 1922-4-9 4847 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA639647  Lotus salsuginosus var. brevivexillus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52027 Riverside Chino Canyon. Comment
  UCR262274  Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-13 32279 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR234330  Lotus scoparius subsp. scoparius A. C. Sanders, John F. Green 2012-4-6 40009 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, major culvert/wash crossing along Temescal Cyn. Rd., near Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 323 Comment
  JOTR01081  Lotus scoparius var. brevialatus Cole, James E. 1941-5-17 713 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  CDA27329  Lotus strigosus G. D. Barbe, T. C. Fuller 1973-2-27 1057 Riverside 1.3 miles east of Coachella Canal on Highway 195, Box Canyon Wash, east of Mecca. 0 Comment
  RSA406322  Lotus strigosus Dorothy R. Wolf 1932-3-20 2 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA495418  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2938 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA613662  Lotus strigosus D. L. Banks, Victor W. Steinmann 1997-3-13 1458 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA653428  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA657176  Lotus strigosus Bob Rogers 1984-4-28 23 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  RSA776837  Lotus strigosus Amber Swanson, Duncan S. Bell 2011-3-18 221 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UC1979865  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 891 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR103279  Lotus strigosus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3587 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR112559  Lotus strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 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
  UCR250199  Lotus strigosus A. C. Sanders 2014-4-23 41044 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  UCR88305  Lotus strigosus A. C. Sanders, K. C. Rose 1995-4-5 16374 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA406328  Lotus strigosus var. strigosus F. A. Thackery 1927-3-30 292 Riverside Banning. Comment
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Mar 13 2011
  UCR241520  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40648 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 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
  RSA554648  Lotus tomentellus A. C. Sanders, E. J. Lawlor 1992-4-4 12089 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SEINET9332282  Lotus unifoliolatus var. unifoliolatus Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC1929852  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  UCR51134  Lupinus Jack Easton 1988-5-2 s.n. Riverside Peninsular Range, Anza area 1189 Comment
  POM349949  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA33513  Lupinus arizonicus N. C. Cooper 1944-4-8 1078 Riverside Andreas Canyon. 305 Comment
  SD237432  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside UTM in Supplement.N. Palo Verde Mesa, E flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak. Comment
  UCR112090  Lupinus arizonicus A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23364 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR224994  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside Sonoran (Colorado) Desert, East flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  CLARK-A1528-493  Lupinus bicolor C. M. Flanagan 1973-4-21 OO 322 Riverside Banning 1097 Comment
  UC668423  Lupinus bicolor Annie M. Alexander and Louise Kellogg 1941-4-24 2079 Riverside gorge Dry Morongo Creek (Morongo Valley); , gorge of Dry Morongo Creek 640 Comment
  UCR16223  Lupinus bicolor Leland R. Dykes 1962-5-1 60 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  UCR213306  Lupinus bicolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37699 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR23267  Lupinus bicolor J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCD84940  Lupinus concinnus Chuck Hughes 2010-3-23 212 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  UCR241643  Lupinus concinnus T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 361 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC216687  Lupinus excubitus subsp. hallii Elizabeth McClintock 1965-6-25 s.n. Riverside A short distance below the summit, Santa Rosa Mountain Comment
  JOTR34274  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  SD185222  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 Riverside Head of Banning Canyon close to San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA413699  Lupinus hirsutissimus Ora M. Clark 1929-3-16 1685 Riverside South of Cabazon, Colorado Desert. Comment
  RSA645876  Lupinus hirsutissimus Scott D. White, Steve Ogg 1994-4-21 1998 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR224448  Lupinus hirsutissimus Steve Boyd, Susan Jett 2008-3-20 11827 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  RSA307238  Lupinus hyacinthinus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2110 Riverside Santa Rosa Mountains. Comment
  RSA413837  Lupinus latifolius subsp. parishii M. B. Dunkle 1933-7-23 3765 Riverside San Jacinto Mt 2896 Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA560409  Lupinus longifolius Steve D. Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  HSC14928  Lupinus odoratus C. L. Hitchcock, C. V. Muhlick 1964-3-22 23252 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
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Jul 9 2010
  UCR113168  Lupinus sparsiflorus A. C. Sanders 1998-3-11 21690 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  UCR116829  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23930 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR178304  Lupinus sparsiflorus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 927 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR37480  Lupinus sparsiflorus Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  HSC79895  Lupinus sparsiflorus subsp. sparsiflorus James Henrickson 1973-3-18 2700 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  RSA414261  Lupinus sparsiflorus subsp. sparsiflorus Ora M. Clark 1929-3-2 1594 Riverside Near Alberhill Comment
  POM99005  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains, 30 miles east of Mecca 610 Comment
  POM2385  Lupinus truncatus M. French Gilman 1904-1 14 Riverside Banning. Comment
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Mar 13 2011
  RSA775400  Lycium andersonii Duncan S. Bell 2011-4-10 2250 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UC1286996  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside about 5 mi ne Aguanga Comment
  UC303699  Lycium andersonii F. M. Reed Dec 1917 11655 Riverside Terquisquita Canyon [Tequesquite Arroyo] Comment
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Aug 14 2010
  JOTR36408  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  JOTR32974  Lycium fremontii La Doux, Tasha, A. Miller 2008-10-8 2855 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  RSA784977  Lycium pallidum var. oligospermum Duncan S. Bell 2012-3-18 3221 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
  RSA80303  Lycium torreyi F. W. Peirson 1916-4-1 1087 Riverside Palm Springs region, head of Coachella Valley. Comment
  UCR37667  Lycium torreyi J. M. Stewart 1984-11-11 8449 Riverside Sonoran (Colorado) Desert, Biskra Palms Oasis, Indio Hills, Coachella Valley 91 Comment
  UCR115157  Lythrum californicum Mitch Provance 2000-7-2 2259 Riverside San Bernardino Valley Region, Riverside, Santa Ana River wash, c. 0.25 mi north of the Market St. Bridge 244 Comment
  UCR222294  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55215 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA191413  Lythrum hyssopifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6615 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR107746  Madia gracilis D. L. Banks 1997-5-5 1991 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
  RSA561079  Malacothamnus densiflorus var. densiflorus Steve Boyd, Orlando Mistretta 1992-4-22 7006 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  CAS-BOT-BC345426  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA543907  Malacothrix clevelandii Steve Boyd, Orlando Mistretta 1991-5-22 6284 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR279364  Malacothrix coulteri A. C. Sanders, Jim Malusa 2017-3-24 42980 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, upper end of canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 736 Comment
  CAS-BOT-BC348024  Malacothrix stebbinsii Annie M. Alexander; Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  CSUSB1014  Malva parviflora Susan Larisch 1963-5-8 Riverside City of Riverside; C.E.S. Field # 14. Comment
  UCR117703  Malva parviflora Mitch Provance 1998-3-7 175 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  RSA764877  Malvella leprosa Justin M. Wood 2010-9-8 2596 Riverside Beaumont Badlands: San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR207305  Malvella leprosa John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  RSA543785  Marah macrocarpa Steve Boyd 1991-5-2 6042 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA652410  Marah macrocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  SEINET3083011 Image available Marah macrocarpa A. C. Sanders, M. Jacobsmyer & C. Sanders 1995-2-5 15909 Riverside San Bernardino Mtns: Whitewater Canyon, between Bonnie Bell and the fish hatchery. 550 Comment
  UC28935  Marah macrocarpa W. G. Wright 1892-1 Riverside Colorado Desert Comment
  UCR120939  Marah macrocarpa A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24954 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA615336  Marina parryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2694 Riverside Sonoran (Colorado) Desert Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA409844  Marrubium vulgare Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  RSA357150  Marsilea vestita R. F. Thorne 1973-5-23 43846 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  CAS-BOT-BC348065  Matricaria discoidea Scott D. White 1996-4-14 3888 Riverside Perris Basin, W Riverside Co. Hemet: along Florida Ave. Comment
  UC1537025  Medicago polymorpha Gordon H. True Jr. 1935-3-18 120 Riverside valley e Citrus Expt. Station; Box Springs Comment
  RSA593991  Medicago polymorpha D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0947 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  CSUSB1307  Medicago sativa C. M. Flanagan 1971-4-23 Riverside Southeast corner of the UCR campus garden project in the city of Riverside. Comment
  CAS-BOT-BC271702  Melica frutescens A. C. Sanders; Mitch Provance; T. B. Salvato 2000-6-1 23442 Riverside S of Newport Road, N of Holland Road and E of Bradley Road, 2 miles due east of Railroad Canyon Lake, Menifee Valley 487 Comment
  CAS-BOT-BC271705  Melica frutescens Frank W. Gould 1944-4-5 2233 Riverside 17 miles east of Temecula on Highway 79 Comment
  UC736844  Melica frutescens Frank W. Gould 1944-4-5 2233 Riverside 17 mi e Temecula (on Highway 79) Comment
  RSA97127  Melica frutescens H. K. Buechner 1955-5-30 C- 86 Riverside 4 miles south of Palm Desert, north base of Santa Rosa Mountains Comment
  CAS-BOT-BC281599  Melica imperfecta H. M. Hall 1901-6-1 2079 Riverside In the vicinity of Chalk Hill, San Jacinto Mts 1463 Comment
  CAS-BOT-BC281602  Melica imperfecta W. A. Silveus 1938-4-16 2646 Riverside Near Elsinore Comment
  CAS-BOT-BC281605  Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 miles NW of Elsinore 457 Comment
  RSA32494  Melica imperfecta Frank W. Gould 1943-4-17 2132 Riverside 4 miles east of Elsinore Comment
  SEINET238466 Image available Melica imperfecta A. C. Sanders 1998-3-11 21682 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills N of Diamond Valley near old mine site above San Jacinto Valley 610 Comment
  SEINET949795 Image available Melica imperfecta Mitch Provance 2003-1 9906 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 274 Comment
  UC1930074  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8927 Riverside TEMESCAL CANYON: Dissected bajada bench, below and east of Horsethief Canyon; immediately south of I-15 Freeway. (Alberhill) Comment
  UCR121175  Melica imperfecta D. E. Bramlet 1990-4-27 1992 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR241212  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 52 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  RSA613318  Melilotus albus D. L. Banks 1997-3-1 1383 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA525680  Melilotus indicus Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4551 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR143385  Mentha aquatica Joseph A. Ewan 1931-10-3 5212 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  RSA0060677  Mentzelia desertorum A. C. Sanders 2010-3-15 37415 Riverside 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. 134 Comment
  SEINET1908634  Mentzelia dispersa A. C. Sanders, Mitch Provance 2008-1 35767 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 Kreenwild Fire Station (Idyllwild 7.5' Q.) 1463 Comment
  RSA554206  Mentzelia involucrata Theo Glenn 1991-5-2 91 -29 Riverside McCoy Mtns, NW of Blythe. 350 Comment
  UC872489  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside ca 100 yards e Spring; Cottonwood Canyon Comment
  UCR232515  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  RSA0038374  Mentzelia involucrata A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  RSA209562  Mentzelia involucrata var. megalantha P. Healy 1968-4-13 s.n. Riverside Joshua Tree National Forest. Comment
  UC68740  Mentzelia jonesii H. M. Hall May 1905 6002 Riverside Colorado Desert, Cottonwood Pass 701 Comment
  UC64490  Mentzelia montana H. M. Hall 1901-6-1 2225 Riverside San Jacinto Mountains, Onstatt's Valley 1584 Comment
  UCR201624  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA660486  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  CAS-BOT-BC348454  Micropus californicus var. californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed of Bluewater Cyn, S of Sitton Pk. 853 Comment
  UC1595562  Micropus californicus var. californicus Steve Boyd and Orlando Mistretta 1991-5-22 6302 Riverside e of Dorland (w of Kolb Cr., base of Agua Tibia Mtn., Vail Lake area); Vail Lake, Agua Tibia Mtn. 548 Comment
  SD262200  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George 2017-3-23 317 40 Riverside Temescal Valley: East side of Campbell Ranch Rd, A+-500 ft north of Indian Truck Trail (Alberhill 7.5'Q) 360 Comment
  SD262201  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317 39 Riverside Temescal Valley: East side of Campbell Ranch Rd, A+-500 ft north of Indian Truck Trail (Alberhill 7.5'Q) 360 Comment
  UCR132744  Microseris heterocarpa Scott D. White 1993-4-22 1235 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM33642  Microseris lindleyi Marcus E. Jones 1882-4-25 s.n. Riverside End of track [probably near San Jacinto Plains] Comment
  RSA528067  Microseris lindleyi Scott D. White 1991-4-10 91 -48 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  UCR178841  Microseris lindleyi Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 017 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA38705  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11504 Riverside Indian Canyon, along Indian Canyon Truck Trail. Comment
  RSA550792  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1069 Riverside 3.3 mi. N of Lakeview (at Ramona Expressway) along Davis Rd. ; 308 rd. mi. S of Hwy 60 485 Comment
  UCR193984  Mimulus aurantiacus var. pubescens A. C. Sanders 2008-7-25 35909 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCSB16147  Mimulus aurantiacus var. pubescens Keefe, Joseph 1963-3-15 Riverside on north slope above State Highway 74; 1.2 miles west of junction with Grand Avenue; Elsinore 533 Comment
  POM13820  Mimulus aurantiacus var. puniceus P. A. Munz 1922-4-28 5054 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  UC1238899  Mimulus aurantiacus var. puniceus Freed W. Hoffman 1950-4-24 3573 Riverside where Winchester road turns off from Highway 74; Rock Brook Ranch Comment
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Mar 20 2011
  UCR155328  Mimulus aurantiacus var. puniceus A. C. Sanders, Mike Misenhelter 2005-3-23 29260 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR279587  Mimulus bigelovii A. C. Sanders, Jim Malusa 2017-3-28 43149 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA420968  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3275 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA554425  Mimulus bigelovii var. bigelovii Theo Glenn 1991-5-24 91 -130 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  UCR41848  Mimulus bigelovii var. bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6101 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCSB10262  Mimulus bigelovii var. bigelovii Sage, Paul 1958-3-22 Riverside on S. side of U.S. 60; 6 mi. E. Desert Center 274 Comment
  RSA522089  Mimulus brevipes Steve Boyd, Tim S. Ross, Kyle Boyd 1989-6-24 3755 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little' Oak Mtn., W of Kolb Creek drainage, N of Hwy 79. Comment
  UC1012086  Mimulus brevipes F. W. Pennell and A. L. Grant 1940-4-28 25275 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  NY90708  Mimulus diffusus W. L. Jepson 1961-5-29 1959 Riverside Palomar Comment
  RSA632473  Mimulus floribundus Scott D. White 1998-6-17 6745 Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. 488 Comment
  RSA660685  Mimulus guttatus Diane T. Liggett 1985-5-12 42 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Galivan Road. Ten to 40 ft from road edge. Comment
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Dec 2 2014
  SEINET4678065  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-23 1307 Riverside Peninsular Range; Temescal Valley: Walker Canyon, 1.5 miles due east of Alberhill, North of Hwy I-15 (Lake Elsinore 7.5ft Q); 0 411 Comment
  UC63725  Mimulus guttatus H. M. Hall May 1899 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  SEINET10929299  Mimulus guttatus David B. Dunn 1946-8-17 Dunn 2683 Riverside Stream edge. Near stream at camp in taquitz valley damp meadow area. San jacinto Mts. Comment
  RSA356745  Mimulus guttatus subsp. guttatus Robert F. Thorne 1973-5-23 45517 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA0054845  Mimulus guttatus var. nasutus Keith E. Hoffmaster 1933-4-14 528 Riverside Tahquitz canyon. Comment
  UCR82901  Mimulus parishii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15803 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UC26914 Image available Mimulus pilosus J. W. Toumey 1899-9-27 Riverside Banning Comment
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Mar 13 2011
  UCR167307  Mimulus pilosus Scott D. White, Jennifer H. Jones 2005-5-24 11092 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR167686  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-23 1295 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR21163  Mimulus pilosus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  CLARK-A1045-316  Mimulus puniceus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains near Murietta; ; Wildomar 7.5'Q 426 Comment
  CLARK-A1528-4269  Mimulus puniceus John C. Roos 1937-5-10 2334 Riverside Elsinore Comment
  UC64159  Minuartia douglasii H. M. Hall May 17 1901-Jun 1 1901 1813 Riverside San Jacinto Mt.; s side 1524 Comment
  UCR18111  Mirabilis albida J. Zabriskie 1976-6-2 848 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Springs Trail near Horsethief Creek 1098 Comment
  SEINET10478627  Mirabilis bigelovii var. bigelovii Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 19 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 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
  POM293182  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12024 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  RSA60730  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona. Comment
  UC1136596  Mirabilis laevis var. crassifolia R. St. John 1931-3-17 197 Riverside hill N of Corona 310 Comment
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Nov 27 2011
  UCD98149  Mirabilis laevis var. crassifolia Geoffrey Levin 1975-4-26 479 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  CAS-BOT-BC434821  Mirabilis laevis var. retrorsa J. H. Thomas 1949-4-24 462 Riverside Between Cabazon and Whitewater near U. S. Highway # 99. Comment
  POM250680  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs. Comment
  SEINET3142120  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western base of Colorado desert 360 Comment
  UC851827  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood springs Comment
  RSA700904  Mirabilis multiflora var. pubescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Pinon Flat Comment
  JEPS61339  Mirabilis tenuiloba Marjorie Clary 1932-6-22 658 Riverside Canyons at base of Santa Rosa Mountains, SW of Coral Reed, Coachella Valley Comment
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Apr 4 2011
  RSA0035939  Mirabilis tenuiloba Deidre Conocchioli, Duncan S. Bell 2014-3-4 149 Riverside 1.3 miles down dirt BLM road from paved 58th Avenue; 4WD road south of Lake Cahuila and La Quinta. Just northeast of mouth of Devil Canyon, east side of Santa Rosa Mountains, west edge of Coachella Valley 37 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
  UC495307  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside near Deep Canyon (Coachella Valley); Coachella Valley 91 Comment
  POM161200  Mollugo cerviana Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  SD120888  Monardella hypoleuca subsp. intermedia Wayne P. Armstrong 1987-4-25 1277 Riverside Santa Rosa Plateau, north end of Mesa de Colorado 600 Comment
  CLARK-A1528-1335  Monardella linoides John C. Roos 1946-9-14 3009 Riverside San Jacinto Mountains 1097 Comment
  SD241076  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Peninsular Range; San Jacinto Mountains: Garner Valley, east of Hwy 74 between Fobes Ranch Road and Morris Ranch Road at base of foothills (Anza/Idyllwild 7.5'Q) 1387 Comment
  UC63757  Monardella linoides subsp. linoides H. M. Hall June 1901 2137 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  LA96109  Monardella nana Elizabeth McClintock; 1941-6-8 69 Riverside 3 mi. E of Ribbonwood Camp, Pines to Palms Hwy Comment
  UC1499820  Monardella nana Elizabeth McClintock 1941-7-21 123 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance below Willow Creek. Comment
  POM12895  Monardella nana subsp. arida P. A. Munz 1922-7-1 5936 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  UCR221478  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 105 Riverside Peninsular Range; San Jacinto Mtns., a few hundred feet beyond the forks on the trail to Suicide Rock 2195 Comment
  CHSC67960  Monardella nana subsp. leptosiphon Alison Graff 1993-6-23 M- 9 Riverside San Bernardino National Forest, San Jacinto Mtns. 0.1 mi down FS 4S02 from Black Mtn. Rd. (FS 4S01). Comment
  UC1035954  Monardella nana subsp. tenuiflora Helen K. Sharsmith 1954-7-7 4444 Riverside between Fuller Creek and Idlewild (on Forest Service road to Black Mountain ca. 1 mi from highway); San Jacinto Mountains, San Bernardino National Forest 1981 Comment
  UCR221472  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, about one mile beyond [Skunk Cabbage Meadow] the cienega 2439 Comment
  UCR260159  Monolepis nuttalliana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4777 Riverside Eastern Mojave Desert, east side of Arica Mountains, west side of Rice Valley c. 6 air mi southeast of the ghost town of Rice or c. 5.25 air mi east-southeast of Priests Well 211 Comment
  POM363591  Monoptilon bellioides P. J. Remple 1942-3-1 s.n. Riverside Palm Springs (Sapp's Place) Comment
  RSA0118056  Monoptilon bellioides Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7613 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UC573975  Muhlenbergia asperifolia H. S. Yates 1936-8-28 6370 Riverside 3 mi nw San Jacinto; San Jacinto Quadrangle Comment
  UCR174308  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32651 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
  UCR260295  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  RSA750555  Muilla maritima Scott D. White, Justin M. Wood 2009-5-21 12882 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR216955  Myosurus minimus Ana Hernandez, Kim Sparks 2010-3-17 014 Riverside Perris-Aguanga Basin, San Jacinto Valley, Salt Creek, 125m east of Warren Rd. 460 Comment
  RSA359887  Myosurus minimus subsp. apus Steve Boyd 1986-4-2 1591 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD134392  Myosurus minimus var. apus Craig Reiser 1992-5-9 Riverside Hemet, corner of Stowe and California Streets Comment
  SEINET3830468  Myriophyllum spicatum G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-1 10333 a Riverside Private. Canal two mile north of Blythe. 70 Comment
  RSA421109  Nama demissa Martha Hilend 1928-3-9 s.n. Riverside Near White Water Bridge. Colorado Desert. Comment
  RSA771679  Nama demissa var. demissa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4986 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SD38525  Nama demissa var. demissa Edith A. Purer 1935-4-21 6476 Riverside Near Palm Springs, Colorado Desert. Comment
  RSA689453  Nassella lepida Scott D. White, Michael Honer 2003-4-9 8997 Riverside 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
  UC822024  Nassella lepida P. A. Munz 1922-7-4 5970 Riverside Hemet Valley San Jacinto Mts. (dry edge of meadow) 1371 Comment
  UCD87802  Nassella lepida A. A. Beetle 1943-4-27 1939 Riverside Near Beaumont. Comment
  SEINET3087892  Navarretia fossalis Craig Reiser 1993-1 Riverside Comment
  RSA356635  Navarretia hamata W. A. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; desiccated bed of vernal pools near N end of Mesa 610 Comment
  SEINET10461231  Nemacladus glanduliferus var. glanduliferus Boyd 1988-3-10 BOYD 2134 Riverside North end Palen Mountains, 2 miles west of Palen Pass North end Palen Mountains, 2 miles west of Palen Pass 300 Comment
  SEINET10458391  Nemacladus longiflorus Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2976 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. T6N R3E Sec. 25 Comment
  RSA0126347  Nemacladus longiflorus var. longiflorus P. A. Munz 1927-5-20 10864 Riverside Cohuila. Comment
  UCR260544  Nemacladus ramosissimus T. B. Salvato, Matt Malle 2014-5-29 8023 B Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  SJSU1899  Nemacladus rubescens J. W. Tilden 1957-4-18 1104 Riverside near Whitewater, east of San Gorgonio Pass Comment
  UCR157883  Nemacladus rubescens A. C. Sanders, M. Skinner 1995-4-6 16396 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  SEINET12336151  Nemacladus rubescens N. H. Holmgren, Holmgren, P. K.; Kern, R. E. 1973-1 6480 Riverside At the south entrance to Joshua Tre National Monument, near Interstate 10, 24 mi E of Indio 549 Comment
  UC29179  Nemacladus sigmoideus W. G. Wright 1889-1 1766 Riverside Colorado Desert Comment
  POM3740  Nemophila menziesii Alice Eastwood 1904-4-4 4124 Riverside Elsinore, Riverside County. Comment
  RSA673727  Nemophila menziesii Scott D. White 2000-4-12 7644 Riverside Baldy Mtn. area. 1616 Comment
  SD7438  Nemophila menziesii unknown Apr 1881 Riverside Temecula Comment
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Nov 29 2010
  SEINET3091664 Image available Nemophila menziesii Norman C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 914 Comment
  UC643397  Nemophila menziesii I. W. Clokey, B. C. Templeton 1930-4-9 4666 Riverside n Banning; n of Banning Comment
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Dec 11 2016
  UC131504  Nemophila menziesii var. integrifolia C. F. Baker 1903-4-4 4123 Riverside Elsinore Comment
  SBBG35026  Nemophila spatulata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  RSA699016  Nicotiana attenuata J. R. Bruff 1934-6-19 548 Riverside San Jacinto Mountains. Comment
  POM13032  Nicotiana clevelandii Philip A. Munz, D. D. Keck 1922-4-13 4921 Riverside Shavers Well, near Mecca. 91 Comment
  UC1922054  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA0060575  Nicotiana glauca Bob Rogers 1984-4-14 1 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  RSA648308  Nicotiana glauca Mark Hotchkiss 1977-4-12 s.n. Riverside La Loma hills. 0.25 mi. N. of Center St. Comment
  JOTR30637  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SBBG6606  Nicotiana obtusifolia H. and M. Dearing 1942-3-12 4832 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR41350  Nicotiana obtusifolia N. M. Fellows, A. C. Sanders 1985-5-7 162 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
  POM258905  Nolina bigelovii E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  CAS-BOT-BC131887  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA606184  Nolina parryi C. Epling, William Robison 1933-6-26 s.n. Riverside Little San Bernardino Mountains: Key s View [Salton View]. 1524 Comment
  CAS-BOT-BC71173  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  RSA655092  Notholaena californica Scott D. White 2000-4-17 7650 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  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
  UCR273659  Notholaena californica Mitch Provance 2011-7-26 17032 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon area, vicinity of Bly Quarry, just N of Fleming St. 351 Comment
  SBBG122762  Nuttallanthus texanus A. Parikh 1990-4-27 162 Riverside Rawson Cyn, SW of Crown Valley, 1.6 km SW of jct of Crown Valley Rd and Rawson Rd 612 Comment
  RSA614421  Oenothera californica subsp. californica D. L. Banks 1997-3-29 1554 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UCR134599  Oenothera deltoides Marisa Sripracha, Kyle Boyd 2004-2-14 015 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA615333  Oenothera deltoides subsp. deltoides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2689 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  UC635277  Oenothera deltoides subsp. deltoides Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UC1929327  Oenothera hookeri Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10675 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  RSA395358  Olea europaea Steve Boyd 1986-4-22 1739 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  CAS-BOT-BC427457  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside Near Thermal 30 Comment
  SBBG87842  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6114 Riverside Corn Spring, Chuckalla Mtns, wash below the spring; T6S, R16E, S28 487 Comment
  UCR117377  Oligomeris linifolia B. G. Pitzer 1998-2-1 3446 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR163937  Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29135 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR232390  Oligomeris linifolia Dave Silverman 2010-3-24 7826 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  CLARK-A1528-513  Olneya tesota C. W. Tilforth 1967-6-5 120 Riverside Blythe Comment
  CAS-BOT-BC478175  Oncosiphon piluliferum R. E. Jr. Riefner 2015-6-3 15 -168 Riverside City of Hemet, ca. 100 yards N of W. Devonshire Ave and Meyers Street 473 Comment
  CDA7539  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region; Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. S of Oleander Ave., at S end of Patterson Ave. Comment
  UCR263244  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41474 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  RSA0031146  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  RSA500567  Opuntia basilaris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3852 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  UCR47518  Opuntia leucotricha A. C. Sanders, Mira M. Bogen 1987-5-28 7105 B Riverside City of Riverside, along Van Buren Boulevard, near the bridge over the Santa Ana River, at Riverside sewer plant 244 Comment
  POM305019  Opuntia parryi Lyman Benson 1962-2-17 16142 Riverside 4 miles northeast of Aguanga. 915 Comment
  POM285349  Opuntia phaeacantha Lyman Benson 1955-12-6 15629 Riverside San Jacinto Mountain Range; Pines-to-Palms Highway. 1372 Comment
  SEINET10732174  Opuntia ramosissima Joseph A. Ewan 1933-2-19 Ewan 10836 Riverside Occasional in dry sand of mountain slopes near White [Fa ] Comment
  RSA757047  Orcuttia californica D. E. Bramlet, Rick Riefner 2005-5-17 3856 Riverside Stowe vernal pool. The site is located 152m N of Stowe Rd. & 213m W of California Ave. The pools are located 8km west of Hemet. 456 Comment
  UC1532824  Orcuttia californica Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47312 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  UCR113635  Orcuttia californica June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro, pond near rocks 610 Comment
  JOTR32529  Orobanche cooperi Manson, Stacy 2011-4-6 s.n. Riverside Joshua Tree National Park. southeast Pinto Basin; Pinto Wash, along the road to Pinto Wells 304 Comment
  RSA788726  Orobanche cooperi Duncan S. Bell 2012-3-8 3153 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  RSA0076581  Orobanche cooperi Gary Wallace 1967-4-29 721 Riverside NE of the Coxcomb Mtns., 15 mi NE of Desert Center along Parker Dam Hwy. Comment
  RSA612963  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-29 1632 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
  RSA753478  Oxytheca emarginata Scott D. White, Justin M. Wood 2009-5-21 12869 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA36552  Oxytheca trilobata Sara M. Schenck 1942-6-5 s.n. Riverside Black Springs Wash; Joshua Tree National Monument. Comment
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Feb 16 2013
  UCR194205  Ozothamnus diosmifolius Scott D. White, J. Wood 2007-4-16 11650 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  RSA500066  Paeonia californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3245 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  CAS-BOT-BC327923  Palafoxia arida N. Aitkenhead 1977-2-1 2209 Riverside Sand dunes 0.5 mi E of Dillon Rd-T/L Junction Comment
  RSA778484  Palafoxia arida Duncan S. Bell 2009-3-8 49 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET3148312  Palafoxia arida S. B. Parish 1907-4-19 6098 Riverside Western border of the Colorado desert 150 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
  UCD134888  Palafoxia arida Geoffrey Levin 1975-4-5 462 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCD77897  Palafoxia arida Robert E. Preston 1997-11-11 1061 Riverside edge of Palo Verde Mesa 99 Comment
  JEPS26054  Palafoxia arida var. arida Spencer W. Brown and U. Nur 1960-2-6 Riverside 4 mi E of Beaumont on Hwy 99 Comment
  UC472878  Palafoxia arida var. arida Mary F. Spencer 1920-3-28 222 Riverside Palm Springs Colorado Desert 121 Comment
  UC61508  Palafoxia arida var. arida L. D. Copeland 1904-5-5 Riverside Palm Springs Comment
  UC1922850  Panicum acuminatum Scott D. White, Jennifer H. Jones 2005-5-25 11112 Riverside Santa Ana Mountains: Rainbow area; mountain foothills west of I-15 Freeway and immediately N of San Diego County line. Temecula 7.5' Quad. Comment
  RSA557879  Panicum capillare Steve Boyd, O. Mistretta 1992-4-23 7051 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA535743  Panicum capillare Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6649 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  CLARK-A1528-80  Panicum capillare var. occidentale John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  JEPS70592  Panicum urvilleanum W. L. Jepson 1914-5-23 6049 Riverside Conchilla Desert Edom; Conchilla Desert Comment
  POM366029  Panicum urvilleanum Martha Hilend 1928-3-11 105 Riverside About 6 miles SE of Garnet Station Comment
  RSA445556  Papaver californicum Robert Gustafson 1983-4-18 2497 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  RSA0042108  Parietaria hespera Duncan S. Bell, Deidre Conocchioli 2014-3-11 6227 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA701411  Parietaria hespera var. californica Steve D. Boyd, Aydee Virgen 2004-4-13 10885 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCD111487  Parietaria hespera var. californica A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24172 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 502 Comment
  UCR101559  Parietaria hespera var. californica A. C. Sanders 1997-3-19 20052 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  UCR49218  Parietaria hespera var. californica Steve Boyd 1986-4-2 1596 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  JEPS43448  Parietaria hespera var. hespera S. B. Parish 1920-3-25 20013 Riverside Indian Wells; Colorado Desert Comment
  SBBG1355  Parietaria hespera var. hespera H. and M. Dearing 1942-1-25 4787 Riverside San Jacinto Mtns 1219 Comment
  SEINET8044077 Image available Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41551 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns.: opposite So. Cal. Edison Ivy Glen Substation, Temescal Valley at mouth of Mayhew Canyon, west of the I-15 crossing of Temescal Canyon Rd., north of massive minng operation, 0.6 km SE (101 degrees) of Temescal Fire Station. 329 Comment
  LA31743  Parkinsonia florida Mary V. Hood; 1941-11-20 41- 180 k* Riverside S of Indio. near Imperial County line. Sea Level Comment
  UCD170848  Parkinsonia florida A. C. Sanders; T. B. Salvato, Mitch Provance 2000-4-25 23368 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella. 24 Comment
  RSA179519  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside 10 miles W of Murrieta. Comment
  UCR265207  Pectis papposa Ken Halama 2015-10-9 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris, eastern edge of the Gavilan Hills 542 Comment
  JEPS15395  Pectis papposa var. papposa Joseph and Hilda Grinnell 1937-11-30 1084 a Riverside 24 mi w Blythe; bed of Ford Dry Lake 106 Comment
  JOTR38523  Pectis papposa var. papposa Harding, Mitzi, Kipp Callahan 2012-8-27 292 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UC2026451  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10049 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  CAS-BOT-BC169754  Pectocarya anisocarpa W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside 5 miles S of Winchester Comment
  RSA703376  Pectocarya heterocarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1429 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA0001856  Pectocarya heterocarpa P. A. Munz, D. Keck 1922-4-9 4780 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA611563  Pectocarya linearis subsp. ferocula R. S. Woglum 1939-4-22 2194 Riverside Peninsular Ranges: Near Aguanga; Cleveland National Forest. Comment
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Jun 9 2012
  SD187377  Pectocarya linearis subsp. ferocula Naomi Fraga 2005-2-10 1423 Riverside Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 502 Comment
  CLARK-A1528-338  Pectocarya penicillata C. M. Flanagan 1973-4-21 OO 302 Riverside Morongo Indian Reservation 914 Comment
  RSA0013702  Pectocarya penicillata LeRoy Gross, Grace Cho 2013-4-9 5997 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA594113  Pectocarya penicillata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 919 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR86889  Pectocarya penicillata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16280 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
  UCR211817  Pectocarya peninsularis Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  SEINET7063462  Pectocarya platycarpa A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  RSA500996  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3115 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. 524 Comment
  UCR84837  Pectocarya recurvata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16208 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  SD233779  Pectocarya setosa A. C. Sanders, G. Helmkamp, L. Helmkamp 1995-4-30 16881 Riverside San Bernardino Mountains: Burns Canyon , 2.1 miles above Rimrick Rd, just below Burns Spring. 1530 Comment
  UCR91598  Pedicularis densiflora D. L. Banks, Steve Boyd 1995-3-15 0060 Riverside NW Palomar Mtns, Agua Tibia Mountains Watershed: Agua Tibia Wilderness Area, N face of Agua Tibia Mountain, Dorland Mountain area 680 Comment
  UCSB11051  Pedicularis semibarbata Haines, Bruce 1962-5-5 Riverside 5 miles north of Idyllwild, 19.1 miles southwest of Banning on Banning to Idyllwild Road 1767 Comment
  CHSC8341  Pellaea andromedifolia Edward L. Smith 1958-3-6 343 Riverside Located at Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  RSA686929  Pellaea mucronata Norman C. Cooper 1947-4-5 2034 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SD144514  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  SEINET7063453  Pellaea mucronata var. californica A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 564 Comment
  JOTR30214  Pellaea mucronata var. mucronata Leary, C. and Leary, Pat 1979-5-5 2989 Riverside Joshua Tree National Park. On west facing slope above Lower Covington Flats, Joshua Tree National Monument; T2S R7E sec 6 Comment
  JOTR35127  Pellaea mucronata var. mucronata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3239 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA25155  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi. northwest of Elsinore 457 Comment
  UC1080396  Pellaea mucronata var. mucronata E. K. Balls and P. C. Everett 1957-8-20 22673 Riverside 14.7 mi sw and w along State Hwy 74 from Palm Village (junction with State Hwy 111) 1127 Comment
  UC399533  Pellaea mucronata var. mucronata Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 762 Comment
  JOTR32899  Pennisetum setaceum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1543 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  SEINET4691941  Pennisetum setaceum Duncan S. Bell, John Anderson & Keir Morse 2012-1 4380 Riverside Colorado Desert; Chocolate-Chukwalla mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx 0.6 air miles southeast of hidden spring and 0.6 air mile south of the Grotto 250 Comment
  UC454143  Penstemon X parishii I. J. Condit 1910-6-24 Riverside road to Idyllwild lower foot hills San Jacinto Mts. (lower foot hills San Jacinto Mts.) Comment
  UCR178017  Penstemon X parishii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA96915  Penstemon X parishii R. M. Straw 1954-6-10 603 -b Riverside Lake Fulmor. Comment
  RSA285587  Penstemon centranthifolius D. C. Michener 1980-6-11 3672 Riverside Bautista canyon 7.1 mi. above jct (end) of Lower BAutista Canyon Rd. (5S14) and short road to CA 74. Comment
  RSA412458  Penstemon centranthifolius N. C. Cooper 1949-6-29 4331 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR137170  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mtns., San Bernardino National Forest, along forest road 7S02 to Santa Rosa Mt. 1646 Comment
  SFV17407  Penstemon clevelandii M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-5 73 Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  UCSB37946  Penstemon clevelandii Carlson, B. 1978-4-22 Riverside Santa Rosa Mtns; 13.5 mi. S. of Palm Desert; along Hwy 74 883 Comment
  CAS-BOT-BC265283  Penstemon clevelandii subsp. connatus Ivan Johnston 1917-4-4 1043 Riverside Andreas Canyon, Colorado Desert 274 Comment
  NY601159  Penstemon grinnellii N. H. Holmgren 1969-6-18 3586 Riverside San Jacinto Mountains, San Jacinto Wilderness, along trail above Humber Park, about 3 airline miles northeast of Idyllwild. Comment
  RSA401809  Penstemon spectabilis Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  UCR117713  Penstemon spectabilis Mitch Provance 1998-6-11 682 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  SD181688  Pentachaeta aurea Scott D. White, Bill La Haye 2000-5-27 7953 Riverside San Jacinto Mountains: Baldy Mountain area. 1616 Comment
  UCR193737  Pentachaeta aurea A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35655 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA0070918  Pentagramma maxonii Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  CAS-BOT-BC71581  Pentagramma triangularis subsp. maxonii D. A. Johansen; J. A. Ewan 1932-4-11 7069 Riverside Ravine at mouth of Tahquitz Canyon, Western Colorado Desert Comment
  UCD137797  Pentagramma triangularis subsp. maxonii Geoffrey Levin 1976-3-27 683 Riverside San Jacinto Mts, Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mountains. Salton Sea Basin drainage area. 396 Comment
  UCSB9462  Peritoma arborea Lloyd, Robert 1960-3-23 Riverside 1 mile from U.S. Highway 99 on State Rd. 111 to Palm Springs; San Jacinto Mt. Range; Colorado Desert drainage area 396 Comment
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Nov 19 2014
  CAS-BOT-BC355978  Perityle emoryi H. M. Hall 1902-4-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  CAS-BOT-BC355986  Perityle emoryi Carl B. Wolf 1932-4-27 3050 Riverside Colorado Desert. 1 mi. off Mecca - Blythe Road. Lower end of Lost Palms Canyon at 1st. rocky hills 243 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
  UCR214159  Perityle emoryi T. B. Salvato 2010-4-20 4057 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  SD143774  Persicaria punctata Andy C. Sanders, P. MacKay 1994-10-23 15851 Riverside Whitewater River Canyon, between the trout hatchery and Bonnie Bell 580 Comment
  RSA445152  Petalonyx thurberi Martha Hilend 1928-4-15 183 Riverside Colorado Desert, sand dunes below Garnet Station Comment
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Jan 8 2013
  RSA445158  Petalonyx thurberi A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  POM319385  Petunia parviflora Patricia Wilder 1970-10-15 4813 Riverside At base of Prado Dam near locks in Prado Flood Control Basin. East of Chino Hills, Santa Ana River. 122 Comment
  UCR209674  Petunia parviflora Fred M. Roberts, Carol A. Roberts 1999-10-23 5252 Riverside San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak 433 Comment
  CAS-BOT-BC326734  Peucephyllum schottii Roxana S. Ferris 1918-6-14 984 Riverside Box Canyon near Shavers Well, Chocolate Mts., Mecca - Blythe Road Comment
  RSA308425  Peucephyllum schottii Henry J. Ramsey, Henry J. Ramsey 1938-4-26 3074 Riverside Near Desert Center-Indio. Comment
  RSA471975  Peucephyllum schottii M. B. Dunkle 1933-3-4 3069 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA696807  Peucephyllum schottii J. R. Bruff 1928-4-2 96 Riverside Canyon wash west of Morango Comment
  RSA709861  Phacelia ambigua Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4585 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA79154  Phacelia ambigua P. A. Munz, Percy C. Everett 1952-5-2 16250 Riverside 2 miles west of Desert Hot Springs. 183 Comment
  POM18746  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA697792  Phacelia campanularia J. R. Bruff 1927-3-12 2 -T Riverside Whitewater. Comment
  JOTR35925  Phacelia campanularia subsp. campanularia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  CAS-BOT-BC133956  Phacelia cicutaria Milo S. Baker 1928-4-3 2834 b Riverside Tahquitz canon near Palm Sps. Comment
  CAS-BOT-BC133960  Phacelia cicutaria L. R. Abrams 1935-4-7 13662 Riverside Favilan Hills, 2 miles S.W. of Perris Comment
  UCR139026  Phacelia cicutaria var. hispida D. L. Banks 1997-4-5 1686 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
  JEPS2302  Phacelia crenulata var. ambigua Dr. L. M. Newlon 1922-4-3 426 Riverside 6 mi w Indian Wells; Colorado Desert Comment
  JOTR28948  Phacelia crenulata var. ambigua La Doux, Tasha 2005-3-30 1184 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0118003  Phacelia crenulata var. ambigua Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7625 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA795747  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21302 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SJSU11240  Phacelia crenulata var. ambigua T. N. Seeno 1963-4-12 279 Riverside Sky Valley 10 mi N of Palm Springs 426 Comment
  UC68753  Phacelia crenulata var. ambigua H. M. Hall Apr. 1905 5765 Riverside Cathedral Canyon Colorado Desert 91 Comment
  UC668398  Phacelia curvipes Annie M. Alexander and Louise Kellogg 1941-4-24 2080 Riverside gorge of Dry Morongo Morongo Valley 640 Comment
  POM74228  Phacelia distans Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  SBBG80514  Phacelia distans M. Rosczyk, G. K. Helmkamp 1985-4-4 256 Riverside W side of the main cyn just below the BLM gate 533 Comment
  UC702033  Phacelia distans Frank W. Gould 1943-4-17 2104 Riverside on Elsinore road 12 mi s Corona Comment
  UCD120417  Phacelia distans Geoffrey Levin 1974-3-30 5 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCR117095  Phacelia distans A. C. Sanders, T. B. Salvato 2001-5-16 24291 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR202041  Phacelia distans Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR243128  Phacelia distans Kate Kramer 2012-5-25 263 Riverside Along Highway 243, between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  SEINET12280101  Phacelia distans H. M. Hall 1902-1 2953 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  UC1228376  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside near Idyllwild (along edge of meadow); San Jacinto Mountains, Saunders Meadow Comment
  UC489184  Phacelia imbricata subsp. patula C. V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  SEINET10638467  Phacelia lemmonii Philip A. Munz 1937-5-29 Munz 15101 Riverside damp banks, Shumway, edge of Pinyon Flat, Santa Rosa Mts. 4000 feet. 1220 Comment
  JEPS24830  Phacelia minor Peter M. Ray 1949-3-12 1353 Riverside 2 mi w Whitewater (n side of valley); Coachella Valley 457 Comment
  RSA516417  Phacelia minor Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4426 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA614537  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR113174  Phacelia minor A. C. Sanders 1998-1-15 21643 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR258750  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7915 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
  JEPS1166  Phacelia mutabilis W. L. Jepson 1903-8-8 2309 Riverside Tauquitz Valley San Jacinto Mts. 2438 Comment
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Jul 6 2010
  UCR22110  Phacelia ramosissima Steve Boyd 1980-5-15 280 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR263717  Phacelia ramosissima Mark A. Elvin, Tricia Wotipka 2002-5-1 1965 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, southeast portion of La Borde Canyon 579 Comment
  UC1040771  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley 475 Comment
  UCD89012  Phalaris lemmonii J. C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet). Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  CAS-BOT-BC128869  Philadelphus microphyllus Edmund C. Jaeger 1922-8-16 s.n. Riverside Ridges on rim of San Jacinto Mts. above Chino Canyon [Canon] - San Jacinto Mts. 2590 Comment
  UC219241  Philadelphus microphyllus var. stramineus E. C. Jaeger 1922-8-20 1015 Riverside Long Valley. Comment
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Mar 8 2012
  RSA71998  Phlox austromontana F. W. Peirson 1922-5-20 908 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  UCR178569  Pholistoma membranaceum R. G. Swinney 1967-2-4 0008 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  LA209832  Phoradendron californicum O. A. Plunkett; 1930-3-28 sn Riverside between Indio and Palm Springs Comment
  RSA475287  Phoradendron californicum Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA640172  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UCR260262  Phoradendron californicum A. C. Sanders, Jim Malusa 2015-3-11 41402 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  UCR48551  Phoradendron californicum J. Glazner 1985-4-5 s.n. Riverside Sonoran (Colorado) Desert, Near Red Rooster resort on Hwy 95 at the Colorado River c. 20 mi. north of Blythe, near mouth of Slaughter Tree Wash 91 Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  RSA356997  Phoradendron libocedri Robert F. Thorne, Percy C. Everett 1966-10-18 41856 Riverside Santa Rosa Mountains. Comment
  SEINET4567399  Phoradendron villosum R. L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  NY43270  Physalis crassifolia var. crassifolia C. R. Annable 1995-3-15 2285 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  POM11828  Pilularia americana P. A. Munz, I. M. Johnston 1922-5-19 5567 Riverside Menifee Valley. 427 Comment
  RSA234022  Pilularia americana R. F. Thorne, Earl Lathrop 1969-5-12 37919 Riverside Santa Rosa Plateau: Large vernal marsh on S end of Mesa de Colorado, Rancho California 625 Comment
  UCSB9212  Pinus jeffreyi Koran, Jr., John 1958-5-16 Riverside 5.2 miles east of Idyllwild on Idyllwild-Banning Hwy. 1584 Comment
  RSA78321  Pinus lambertiana Philip A. Munz, E. K. Balls 1952-8-21 17978 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  SEINET10833975  Pinus lambertiana James S. Miller 1992-5-8 Miller 7471 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  NY62435  Pinus quadrifolia M. Parratt 1962-2-24 114 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1134099  Pinus quadrifolia H. A. Jensen 1933-2-6 263 Riverside Cuahuilla Valley San Jacinto Quad., Cuahuilla Valley 1097 Comment
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Feb 23 2011
  UCSB26244  Piperia transversa Gliessman, Stephen 1968-7-24 Riverside 50 yards south of Saunders Road; 0.1 mile east of junction with Idyllwild Road; San Jacinto Mountains 1584 Comment
  UCR97467  Pityrogramma triangularis var. triangularis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19892 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SBBG120130  Plagiobothrys acanthocarpus A. C. Sanders with K. Volansky 2005-3-17 29201 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
  SEINET959162  Plagiobothrys canescens John F. Green 2006-1 Riverside Northeast of Murrieta, just south of Los Alamos Rd. (''Clinton Keith Rd.'') on east and west sides of Liberty Rd. border between City of Murrieta and uniincorporated French Valley (Murrieta 7.5' Q) 415 Comment
  UCR225509  Plagiobothrys collinus A. C. Sanders 2011-3-29 38862 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR225614  Plagiobothrys collinus A. C. Sanders 2011-3-30 38920 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR241931  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2013-3-27 40692 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  UC1608031  Plagiobothrys jonesii A. C. Sanders with E. J. Lawlor 1992-4-4 12143 Riverside within 1/2 mi McCoy Spring (alluvial slopes below and to s, and canyon bottom above the spring); Colorado Desert, McCoy Mountains 243 Comment
  RSA0012077  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR97261  Plagiobothrys leptocladus Scott D. White 1993-3-12 1155 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCR97680  Plagiobothrys nothofulvus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19911 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  UC25066  Plagiobothrys tenellus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA234043  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-19 37972 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 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
  UCR48174  Plagiobothrys undulatus R. F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  VVC2184  Plagiobothrys undulatus Tim Thomas, Bill Baker 1983-6-30 579 C Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  RSA556463  Plantago bigelovii subsp. californica Julie Greene 1993-4-30 1245 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
  UCR112323  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  RSA560361  Plantago erecta Steve Boyd 1992-4-14 6820 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  SEINET12284339  Plantago insularis J. F. Bright, Wyman, C. 1933-1 8059 Riverside near Palm Springs Comment
  UCD124522  Plantago major R. N. Raynor 1933-5-1 s.n. Riverside Eden Hot Springs. Comment
  RSA221053  Plantago major E. W. Lathrop 1966-5-8 6414 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SD122442  Plantago ovata Duffie Clemons, Erik Jonsson 1988-2-13 Riverside Ca. 3.0 miles north of I-10 along Washington St. southwest of Indio Hills, Coachella Valley. Comment
  UCR123829  Plantago ovata Steven R. Hill, K. Kramer 2001-4-27 33487 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  POM46966  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-13 1488 Riverside Mecca -60 Comment
  RSA402042  Plantago ovata var. fastigiata N. C. Cooper 1944-5-20 2622 Riverside Pinyon Flats. 1067 Comment
  RSA4937  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 3060 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA678228  Plantago ovata var. fastigiata Valerie L. Soza, J. Mark Porter, G. D. Wallace 2001-4-2 1097 Riverside Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. 396 Comment
  UCSB7590  Plantago ovata var. fastigiata Beeks, Richard 1952-4-4 Riverside 7 mi above Mecca in Box Cyn Comment
  RSA770451  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4563 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  CLARK-A1528-698  Platanus racemosa Rand Ch. Isbell 1970-5-14 3 Riverside Box Springs 365 Comment
  HSC85459  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA495824  Platystemon californicus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2935 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UC818425  Pleuraphis rigida C. L. Hitchcock 5934 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
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Nov 6 2011
  RSA91979  Pleuraphis rigida F. W. Peirson 1921-3-22 2369 Riverside Murray Canyon, near Palm Springs 396 Comment
  POM10244  Pluchea odorata E. A. Zumbro 1903-05 s.n. Riverside Riverside Comment
  SDSU17532  Pluchea sericea Jerry Jenkins 2001-4-2 2001 -049 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UCR182091  Poa annua Tom Chester 2005-5-3 605 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Waterline Road, 0.2 miles (0.3 km) southwest of Visitor Center, at jct. with Granite Loop Trail 536 Comment
  UCR207463  Poa annua O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA179490  Poa bulbosa E. W. Lathrop 1965-4-18 5661 Riverside 10 miles west of Murrieta. Comment
  RSA740830  Poa pratensis Scott D. White, Justin M. Wood 2008-7-8 12390 Riverside Johnson Meadow. 1439 Comment
  UCR202574  Poa pratensis Scott D. White, Justin M. Wood 2008-7-8 12390 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR3215  Poa pratensis V. L. McFarland 1964-5-21 s.n. Riverside San Bernardino/ upper Santa Ana River Valley, Riverside, lawn of Faculty Club on UCR campus 335 Comment
  RSA697344  Poa secunda Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mts., a mile or so from a public camp near Keen Camp. Comment
  SEINET244233 Image available Poa secunda A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24939 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  UC1930121  Poa secunda Scott D. White 2003-3-21 8823 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCD91881  Poa secunda subsp. secunda Fred M. Reed 1905-2-26 671 Riverside Tequesquite Arroyo near Victoria Club House. Comment
  UCR189814  Polygala cornuta var. fishiae Theresa Johnson 2007-5-2 332 Riverside Peninsular Range, Santa Ana Mountains, Santa Rosa Plateau. Near Mesa de Burro Comment
  CDA22826  Polygonum lapathifolium P. Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. 0 Comment
  UCR277742  Polypogon viridis Mitch Provance 2012-10-15 1012- 02 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  CAS-BOT-BC102603  Populus fremontii Alice Eastwood 1919-3-15 7990 Riverside Indio Comment
  SEINET2064882 Image available Populus fremontii A. C. Sanders 1995-2-5 15905 Riverside San Bernardino Mountains, Whitewater Canyon, betyween Bonnie Bell and the fish hatchery. 548 Comment
  UC729747  Populus fremontii subsp. fremontii Carl B. Wolf 1932-4-28 3084 Riverside along the Colorado River near Blythe Bridge (Colorado Desert); , along the Colorado River 91 Comment
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Mar 26 2011
  RSA0106574  Porophyllum gracile Duncan S. Bell 2010-4-2 719 Riverside West side of the Arica Mountians; just below the ridgeline of the range, approx. 2.5 air miles northwest of Priest Well. 560 Comment
  RSA599946  Porophyllum gracile L. C. Wheeler 1959-12-27 7635 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UC1929601  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UCD135035  Porophyllum gracile William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UC420632  Portulaca oleracea F. M. Reed 1905-9-25 Riverside Riverside Comment
  UC123556  Potamogeton foliosus F. M. Reed 1906-7-31 1154 Riverside Riverside and vicinity Riverside Comment
  SDSU13486  Primula clevelandii var. clevelandii Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 8 Riverside Santa Margarita Ecological Reserve North End. Comment
  CAS-BOT-BC216513  Prosopis pubescens John Thomas Howell 1927-8-1 2879 Riverside J Cross K Ranch, N Colorado Desert, Bottom of Mission Creek 609 Comment
  UC63796  Prunella vulgaris var. lanceolata H. M. Hall 1897-6-17 652 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity of Strawberry Valley 1615 Comment
  RSA304834  Prunus fremontii James R. Shevock 1972-2-26 1352 Riverside Coyote Cyn, near Anza. 1006 Comment
  UC400189  Prunus fremontii Ynes Mexia 1929-2-16 2327 Riverside near Palm Springs; Murray Canyon, Colorado Desert Comment
  UCD166228  Prunus fremontii Jack Major 1962-4-16 771 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  HSC66537  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  UCD135004  Psathyrotes ramosissima Geoffrey Levin 1976-10-17 1174 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills mountain range. 91 Comment
  SEINET10530886  Pseudotsuga macrocarpa David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46547 Riverside Collected in the San Jacinto Mts. above Idylwild. At the base of the trail to Taquitz Peak. 2286 Comment
  RSA192184  Psilocarphus brevissimus E. W. Lathrop 1966-5-1 6244 Riverside 2 miles west of Murrieta Comment
  RSA234028  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrop 1969-5-19 37955 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  SD237349  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal. 500 Comment
  CAS-BOT-BC361787  Psilocarphus brevissimus var. brevissimus A. C. Sanders; K. C. Rose 1998-5-21 21855 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  CAS-BOT-BC353581  Psorothamnus arborescens var. simplicifolius H. M. Hall 1901-6-1 2008 Riverside San Jacinto Mountains, Canyon of the San Jacinto River 670 Comment
  JEPS41709  Psorothamnus arborescens var. simplicifolius M. F. Gilman 1904-1 51 Riverside Colorado Desert Comment
  LA205211  Psorothamnus arborescens var. simplicifolius J. A. Ewan; 1930-4-18 3080 Riverside 3 mi. E of Painted Hill, road to Morongo Valley Comment
  RSA772529  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4430 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
  SEINET3407778 Image available Psorothamnus arborescens var. simplicifolius A. Stanley 1969-5-3 48 Riverside 2 miles from Morango Valley Rd. on Dillion Rd. Little San Bernardino Mountains 457 Comment
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Jun 12 2019
  UCR16206  Psorothamnus arborescens var. simplicifolius Grace Sprague 1968-5-3 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  UCR38699  Psorothamnus arborescens var. simplicifolius J. M. Stewart 1985-4-28 8515 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  LA205189  Psorothamnus emoryi A. M. Johnson; 1933-4-28 4225 Riverside below Palm Springs, over mountains to Hemet Comment
  CAS-BOT-BC340900  Psorothamnus schottii Ira L. Wiggins 1937-3-9 8754 A Riverside 5 miles west of Shaver's Well Comment
  OBI2854  Psorothamnus schottii Lanny Swerdlow 1967-5-21 30 Riverside Ca. 22 mi NNW of Indio in Thousand Palm Cyn in Colorado Desert 195 Comment
  RSA404245  Psorothamnus schottii Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA66970  Psorothamnus schottii Marcus E. Jones 1924-2-26 s.n. Riverside Shavers Well. Comment
  UCR201995  Psorothamnus schottii Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR279509  Psorothamnus schottii A. C. Sanders, Jim Malusa 2017-3-27 43116 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCSB3060  Psorothamnus schottii Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  UCR280645  Pterocarya stenoptera A. C. Sanders 2017-5-15 43206 Riverside Riverside, eastern side of UCR campus, in canyon below the UCR Botanic Garden, adjacent to parking area 340 Comment
  UCR35110  Pterospora andromedea L. B. Ziegler 1970-6-28 409 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon) 1677 Comment
  POM13862  Pterostegia drymarioides P. A. Munz 1922-4-29 5082 Riverside Among rocks west of Lake Elsinore. Base of Elsinore Mountains, 488 Comment
  RSA678222  Pterostegia drymarioides Valerie L. Soza, J. Mark Porter, G. D. Wallace 2001-4-2 1091 Riverside Big Morongo Wash. 473 Comment
  RSA776020  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA784661  Pterostegia drymarioides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 68 Riverside South main divide road splitting Comment
  RSA249100  Pulicaria hispanica O. F. Clarke 1972-9-17 s.n. Riverside Santa Ana river bottom. Adjacent river view drive Rubidoux Comment
  SEINET3077228 Image available Purshia glandulosa Howard Scott Gentry 1985-5-22 23809 Riverside Pinyon Flats, Santa Rosa Mountains. 1219 Comment
  JEPS18607  Purshia tridentata var. glandulosa W. L. Jepson 1914-5-18 5988 Riverside w of Pinyon Well; Colorado Desert, Lookout Mt. Comment
  RSA0083325  Pyrola picta Mary F. Spencer 1923-7-8 2219 Riverside [Illegible portion of locality information on top of label.] Banning road in Idyllwild, San Jacinto Mt. 1829 Comment
  RSA649673  Quercus X acutidens R. E. Riefner Jr. 2000-6-10 20 -483 Riverside San Bernardino National Forest: Hwy. 74 near Pinyon Flats Campground 1220 Comment
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Apr 3 2011
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  RSA640178  Quercus agrifolia var. agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal Valley: Wright Ranch. Comment
  UCR138601  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  POM13780  Quercus berberidifolia P. A. Munz, I. M. Johnston 1922-5-5 5150 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  CAS-BOT-BC62435  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  CAS-BOT-BC45770  Quercus cornelius-mulleri Paul F. Covel 1937-4-21 s.n. Riverside Hiden Valley Comment
  UC667379  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-4-27 2094 Riverside road s of Twenty-nine Palms; Joshua Tree National Monument 1310 Comment
  RSA761235  Quercus kelloggii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 718 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA654175  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22287 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. E of Hwy 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  UC848228  Quercus palmeri P. A. Munz and I. M. Johnston 1922-5-21 5513 Riverside Head of Hemet Valley San Jacinto Mts. 1524 Comment
  CAS-BOT-BC134752  Quercus wislizeni H. M. Hall 1898-4-23 3779 Riverside Lyttle Creek Canon [canyon] Comment
  UCR23315  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  RSA180443  Rafinesquia californica E. W. Lathrop 1965-5-9 5728 Riverside 6 miles W of Murrieta. Comment
  UCR180107  Rafinesquia californica Mitch Provance 2003-4-26 9899 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  POM311103  Rafinesquia neomexicana H. K. Sharsmith 1952-4-10 4059 Riverside Smoke Tree Wash, ca 5 mi. NE of Cottonwood Spirngs, Joshua Tree National Monument 854 Comment
  RSA26987  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR147737  Ranunculus hebecarpus Steve Boyd, Aydee Virgen 2004-4-13 10887 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  SEINET3930658  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79.; 0 Comment
  OBI42534  Rhamnus ilicifolia Robert F. Thorne 1985-5-18 60666 Riverside Santa Rosa Plateau 610 Comment
  RSA612815  Rhamnus ilicifolia D. L. Banks 1997-3-1 1354 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SBBG87983  Rhamnus ilicifolia L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau Comment
  UCR133453  Rhamnus ilicifolia Tracy Tennant, J. S. Ross 1998-7-28 MOR- 669 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, upper Millard Cyn. (polygon M16) 1372 Comment
  RSA787603  Rhododendron occidentale Keith E. Hoffmaster 1937-7-5 817 Riverside San Jacinto Mountains, Pine Flat. Comment
  SD229133  Rhododendron occidentale Dick Schwenkmeyer 2012-8-28 828 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA60298  Rhododendron occidentale var. californicum G. R. Campbell 1948-7-4 609 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  JOTR32001  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  JOTR37449  Rhus aromatica Hodges, Stephen, T. Green 2016-5-24 571 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  UCR154729  Rhus aromatica T. B. Salvato, Kent Beaman 2005-5-16 770 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
  UCR16588  Rhus integrifolia Joe Buriel 1966-2-26 s.n. Riverside E slope of small hill north of Mt. Rubidoux 306 Comment
  CLARK-A1528-1414  Rhus laurina John C. Roos 1954-7-10 6191 Riverside Box Springs Mountains 487 Comment
  RSA543127  Rhus ovata Steve Boyd 1991-3-17 5471 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR241208  Rhus ovata Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 04 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UCR79261  Ribes californicum var. hesperium Steve Boyd, Orlando Mistretta 1992-4-22 6994 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA1173  Ribes indecorum B. D. Stark 1930-3-18 1487 c Riverside 1/2 way up west side of Mt San Jacinto. Comment
  RSA439668  Ribes indecorum J. D. Olmsted 1962-5-10 3637 Riverside Sky Ranch, S Divide TT, near SE end of Elsinore, Santa Ana Mtns. 945 Comment
  SD152830  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside San Mateo Canyon Wilderness Area; south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 975 Comment
  UCR114805  Ribes indecorum Mitch Provance 1998-2-17 80 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR97671  Ribes indecorum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA476214  Ribes nevadense Gale Sphon 1955-5-21 s.n. Riverside Fullermill Creek. Comment
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Feb 22 2013
  UC11633  Ribes nevadense H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mountains Comment
  SEINET9754141 Image available Ribes nevadense Sharon J. McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  SEINET13942920 Image available Ribes quercetorum Scott D. White 1995-1 2752 Riverside SW of Juniper Flat Road, USGS Lakeview 7.5' quad., Lakeview mountains About 1900 ft elev. 33 deg. 48' N, 117 deg. 6' W. T4S, R2W, S28 NE 1/4 579 Comment
  LA205506  Ribes roezlii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR24947  Ribes roezlii A. C. Sanders 1980-7-18 1658 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  POM256958  Ribes speciosum W. Pequegnat 1939-12-29 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 610 Comment
  UCR79260  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR110381  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 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
  UCR17072  Rorippa curvisiliqua James K. Ryan 1969-6-1 111 Riverside City of Riverside, University of California Riverside [UCR] campus, in front of Bachelor Hall 335 Comment
  UCR212974  Rorippa curvisiliqua Justin M. Wood, Brandy N. Wood 2009-7-4 1040 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  SDSU13629  Rorippa nasturtium-aquaticum W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UC56908  Rorippa nasturtium-aquaticum H. M. Hall Apr. 1902 2958 Riverside vicinity Riverside; vicinity of Riverside 243 Comment
  UCR125229  Rorippa nasturtium-aquaticum Mitch Provance, Twoc Tran 1998-5-30 560 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR168276  Rorippa nasturtium-aquaticum N. C. Cooper 1944-5-6 1175 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  CAS-BOT-BC147178  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  POM366435  Rubus ursinus E. Crow 1929-4-21 343 Riverside North of Alberhill. Comment
  RSA711839  Rumex A. C. Sanders 2004-4-9 27474 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  CLARK-A1528-765  Rumex crispus Bruce Freeman 1968-5-22 680522-1 Riverside University of California 304 Comment
  UCR113563  Rumex crispus Mitch Provance, A. C. Sanders 2000-7-4 2084 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC445  Ruppia cirrhosa A. J. McClatchie May 1892 42 Riverside near Elsinore (Salt Lake); Salt Lake Comment
  UCR23460  Ruta chalepensis John C. Roos 1950-4-22 4749 Riverside In the pass between Reche Canyon and Pigeon Pass Road 457 Comment
  RSA559964  Sagina decumbens subsp. occidentalis Steve Boyd 1992-4-28 7078 Riverside Santa Ana Mountains, Elsinore Peak area, old Main Divide roadbed about 0.25 mile due south of peak. 1021 Comment
  UCR19559  Sagina saginoides var. hesperia E. C. Jaeger 1922-7-6 s.n. Riverside San Jacinto Mtns., Long Valley 2439 Comment
  SEINET4095114  Sairocarpus coulterianus O. M. Clark 1929-1 1686 Riverside South Cabazon, southern California. Comment
  UCR260268  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 containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  SEINET10626255  Salix Nye Leith, Greg Gust 2005-3-11 Nye 66 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  SEINET10538623  Salix amygdaloides Billy Joe Cox 1975-4-23 Cox 4164 Riverside Palo verde, 1-3 km w (ca 32 mi s of blythe); creosote desert scrub; sandy and Gravelly entisols; riverside and imperial co. 95 Comment
  CAS-BOT-BC129702  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 391 Riverside The more easterly of a pair gaurding entrance to sandy bay at foot of falls above crossing of water service road; Deep Canyon, N. slope Santa Rosa Mts. 1316 Comment
  POM2076  Salix exigua I. M. Johnston 1918-5-26 1994 Riverside Santa Ana River, NW of Corona. 152 Comment
  POM319270  Salix exigua Patricia Wilder 1972-2-18 5354 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  RSA342546  Salix exigua Robert F. Thorne 1980-4-16 54100 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA613312  Salix exigua D. L. Banks 1997-3-1 1377 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SDSU12997  Salix gooddingii Michael G. Simpson 1999-10-27 2027 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR138720  Salix gooddingii Julie A. Greene 1993-4-17 1219 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  RSA0030853  Salix gooddingii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  PASA2676  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  POM177760  Salix laevigata Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  RSA233003  Salix laevigata D. A. Young 1969-3-21 P 417 Riverside 3 miles west of Elsinore, California on a dirt road north of Highway 71, 500 yards off the road. 244 Comment
  RSA44861  Salix laevigata J. C. Roos, L. Roos 1947-11-1 3758 Riverside Eagle Mountains, Lost Palms Canyon. Comment
  RSA601909  Salix laevigata Louis C. Wheeler 1964-6-19 8488 Riverside Chino Creek, oasis near Palm Springs. Comment
  UC506447  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-19 7679 Riverside Comment
  UC634547  Salix laevigata H. L. Mason 1928-3-10 4170 Riverside Snow Creek Colorado Desert, White Water River Valley, Snow Creek Comment
  UC914196  Salix laevigata Charles B. Fiker 1946-5-30 3361 Riverside 100 yards from dismantled service station on Pala Rd. from Temecula bridge Comment
  POM2044  Salix lasiolepis W. L. Jepson, H. M. Hall 1901-5-17 1307 Riverside Strawberry Valley. 1616 Comment
  UCR87878  Salix lasiolepis G. F. Pratt 1994-3-13 94- 5 Riverside Mojave Desert, Joshua Tree National Monument, N canyon off of Quail Mountain 1280 Comment
  RSA696725  Salsola tragus J. R. Bruff 1927-10-16 1 -W Riverside Roadside near Elsinore. Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  SEINET2065984 Image available Salvia apiana Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 365 Comment
  UCR136260  Salvia apiana A. C. Sanders 2004-6-20 28228 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  UCR234759  Salvia apiana A. C. Sanders, John F. Green 2012-6-25 40314 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
  RSA736954  Salvia carduacea Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills: W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  RSA707891  Salvia columbariae Scott D. White, Angelia Carey 2004-4-16 10164 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  POM229037  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  SBBG6390  Salvia eremostachya H. and M. Dearing 1942-3-29 4848 Riverside Dos Palmas Spring, near Palms to Pines Hwy Comment
  SD241871  Salvia eremostachya Jay Walker, R. C. Walker 2004-4-15 3098 Riverside 4.5 miles NE of Pinyon Flats, along hwy 74. Rocks on west side (50 meters off) of Hwy. Comment
  UCLA69704  Salvia eremostachya K. Watkins and E. McClintock 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  RSA97250  Salvia eremostachya H. K. Buechner 1955-6-1 C- 111 Riverside 4.5 miles south of Palm Desert. north base of Santa Rosa Mountains. Comment
  CLARK-A1528-587  Salvia mellifera Dorothy Detrich 1966-5-16 43 Riverside Gavilan Hills Comment
  SEINET7907890  Salvia mellifera D. A. Johnson 2005-1 2005- 02 -18-01 Riverside 1 mi E of CA 74, River Rd, between Perris & Lake Elsinore 488 Comment
  UCR155322  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-3-23 29250 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR89858  Salvia mellifera Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3325 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
  UCR3325  Salvia vaseyi Anne Brown, C. Brown 1964-4-11 11464- 4 Riverside Santa Rosa Mtns, Palms to Pines Hwy 1067 Comment
  UC1936223  Salvinia minima R. E. Riefner Jr. 2008-7-5 08 -214 Riverside Cathedral City, Perez Road at Date Palm Drive Comment
  UCR178335  Sambucus mexicana Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 657 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Potrero Canyon 793 Comment
  UCR268291  Sambucus nigra subsp. caerulea Jim Andre 2012-6-15 30530 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCSB6271  Sambucus nigra subsp. caerulea Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon; Santa Ana Mt. Range; Pacific slope Drainage Area 335 Comment
  RSA263674  Sanicula crassicaulis E. W. Lathrop 1968-5-22 6922 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA570230  Sanicula crassicaulis Steve Boyd, Timothy S. Ross 1993-3-23 7904 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
  POM19642  Sarcodes sanguinea Mary F. Spencer 1923-6-13 2220 Riverside Prope [near] Idyllwild, San Jacinto Mts. 1677 Comment
  CLARK-A1528-1467  Sarcostemma cynanchoides subsp. hartwegii John C. Roos 1952-8-27 5891 Riverside Reche Canyon 457 Comment
  UCR146731  Sarcostemma cynanchoides subsp. hartwegii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UC566924  Sarcostemma hirtellum H. L. Mason 1928-3-10 4216 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  UCR72191  Sarcostemma hirtellum Theo Glenn 1991-5-2 91- 125 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  UCR102855  Saxifraga californica A. C. Sanders 1997-4-3 20159 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR196370  Schismus arabicus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1442 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  RSA784744  Schismus barbatus Duncan S. Bell 2012-2-12 3089 A Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR41394  Schismus barbatus N. M. Fellows 1985-3-3 94 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA289835  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4084 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA520943  Scirpus microcarpus Steve Boyd, David E. Bramlet 1988-10-8 2865 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA752879  Scirpus microcarpus Orlando Mistretta 2009-7-10 3999 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  CSUSB908  Scrophularia californica Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  RSA487444  Scrophularia californica Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  UC64201  Scrophularia californica H. M. Hall 1897-3-14 3921 Riverside Winchester Comment
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Mar 20 2011
  UCR139639  Scrophularia californica A. C. Sanders 2004-6-30 28393 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
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  RSA654615  Scrophularia californica subsp. floribunda Bruce Albert 1982-4-17 75 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  RSA496729  Scrophularia californica subsp. floribunda B. Pitzer 1987-4-21 497 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  LA55076  Scutellaria mexicana A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  SBBG93065  Scutellaria mexicana A. C. Sanders 1989-9-19 9502 Riverside 1.75 km S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  POM12857  Scutellaria siphocampyloides P. A. Munz 1922-6-27 5854 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  UCR281207  Scutellaria tuberosa Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 35 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  UCR99406  Searsia pendulina A. C. Sanders 1997-2-26 19688 Riverside Riverside: SE side of UCR campus at NW corner of reservoir 305 Comment
  SEINET7048001  Selaginella asprella Steven R. Hill, Kate Kramer and family 2001-4-26 33465 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  SEINET3864016 Image available Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water.; 0 427 Comment
  SEINET7073445  Selaginella bigelovii A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  SEINET7048182  Selaginella bigelovii Steven R. Hill 2001-5-3 33691 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UC50350  Senecio californicus H. M. Hall March 1903 3721 Riverside vicinity Riverside 609 Comment
  UCR18572  Senecio californicus John C. Roos 1966-4-5 s.n. Riverside Winchester Comment
  LA203924  Senecio flaccidus var. douglasii C. B. Wolf; 1931-10-14 2461 Riverside San Gorgonio Pass, roadside at Cabazon 518 Comment
  RSA575920  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCSB12346  Senecio mohavensis Dearing, Hugh; Dearing, Margaret 1942-3-10 Riverside Dos Palmas Canyon, nr. Palms to Pines Highway Comment
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Nov 19 2011
  RSA614654  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  RSA220388  Senna armata C. W. Tilforth, John Dourley 1921-4-14 343 Riverside Pinto Basin, Joshua Tree National Monument. Comment
  UCR126433  Sesuvium verrucosum T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 45 Riverside Coachella Valley, 50th St. c. 1 mi west of Filmore, 1.5 mi east of town of Coachella. -24 Comment
  SD126131  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junction with Highway 111 in Coachella and 3.85 miles north of Valerie Jean, 0.55 mile north of Ave. 60. -10 Comment
  UCR157942  Setaria adhaerens T. B. Salvato, A. C. Sanders 2005-5-17 911 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
  RSA605766  Setaria adhaerens A. C. Sanders 1995-5-23 17121 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. Comment
  HSC82844  Setaria verticillata A. C. Sanders 1985-8-24 5948 Riverside Lower Coachella valley near Oasis on the dirt extension of Ave. 76, 0.4 mi E of Hwy 195, along the S side of a large drain flowing toward the Salton Sea -55 Comment
  RSA433914  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-4-22 1133 Riverside Banning. 762 Comment
  UCR23558  Sidalcea neomexicana John C. Roos 1966-5-19 s.n. Riverside San Jacinto Valley, 3 mi. west of San Jacinto Comment
  CAS-BOT-BC434381  Sidotheca trilobata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA561060  Silene antirrhina Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7353 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment