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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73600  Abies concolor H. E. McMinn 1925-7-2 1497 Riverside Tahquitz Trail - San Jacinto Mts. Comment
  UC34  Abies concolor H. M. Hall 1901-8-1 2584 Riverside Tamarack Valley San Jacinto Mountains Comment
  CAS-BOT-BC229324  Abronia villosa Lester Rowntree 1937-5-27 s.n. Riverside Box Canon [Canyon] Comment
  OBI28973  Abronia villosa David J. Keil 1976-11-28 11879 Riverside Just E of Indio along I-10 Comment
  POM122577  Abronia villosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA782198  Abronia villosa Duncan S. Bell 2011-10-22 2985 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SBBG35008  Abronia villosa T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR163077  Abronia villosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4229 Riverside Sonoran (Colorado) Desert, c. 0.25 mi. west of Wiley's Well Rd. on south side of Hwy I-10 120 Comment
  RSA0013028  Abronia villosa var. aurita LeRoy Gross, Caitlin Elam 2013-5-14 6047 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
  RSA749942  Abronia villosa var. aurita Justin M. Wood 2009-3-26 409 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UC454270  Abronia villosa var. aurita I. J. Condit 1910-6-24 Riverside Along San Jacinto River Valley San Jacinto Mts, San Jacinto River Valley Comment
  UCR248475  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3154 Riverside Mojave Desert, Southern section of the Mecca Hills, c. 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other 37 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
  RSA343356  Abronia villosa var. villosa F. R. Fosberg, M. H. Sachet 1983-4-23 64173 Riverside Whitewater Bridge. Comment
  RSA461186  Abronia villosa var. villosa Louis C. Wheeler 1931-11-26 380 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  SD187439  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region: along Palen Road near Hwy 177 170 Comment
  UC1128723  Acacia greggii H. S. Yates 1937-6-27 6727 Riverside Mouth of Deep Canyon 304 Comment
  POM2530  Acacia greggii var. arizonica J. S. Chase 1916-04 s.n Riverside Palm Springs. Comment
  CAS-BOT-BC172853  Acamptopappus sphaerocephalus Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9004 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  OBI17154  Acamptopappus sphaerocephalus Tracey Call, Viola Call 1962-4-6 2116 Riverside 4 mi w of Desert Hot Springs at rd jctn 213 Comment
  CAS-BOT-BC218715  Achnatherum coronatum S. B. Parish; W. F. Parish 1882-5-1 872 Riverside Foothills of the San Bernardino Mts. Comment
Read comments
Aug 31 2019
  RSA263721  Achnatherum coronatum E. W. Lathrop 1966-5-26 6341 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA544402  Achnatherum coronatum Steve Boyd, Timothy S. Ross 1991-6-14 6370 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA700957  Achnatherum speciosum Gary D. Wallace 1982-5-15 1998 Riverside Palms to Pines Highway, 7 level hill. Comment
  OBI26118  Achyronychia cooperi David J. Keil 1976-12-12 11919 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  RSA0124001  Acmispon argyraeus var. argyraeus Duncan S. Bell, Thomas Stoughton 2016-4-13 9249 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCD104137  Acmispon glaber var. brevialatus T. B. Salvato; Kent Beaman 2005-5-16 793 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  UCD170827  Acmispon glaber var. brevialatus T. B. Salvato; John F. Green 2004-5-27 622 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. Comment
  SBBG3417  Acmispon grandiflorus var. grandiflorus H. and M. Dearing 1940-6-9 4363 Riverside Palms to Pines Hwy Comment
  RSA775668  Adenophyllum porophylloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 804 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC472326  Adenophyllum porophylloides F. M. Reed 1917-5-19 3862 Riverside Palm Canon; Colorado Desert Comment
  UCR137562  Adenostoma fasciculatum A. C. Sanders 2004-5-5 27761 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR250196  Adenostoma fasciculatum var. fasciculatum A. C. Sanders 2014-4-23 41041 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
  PASA1206  Adenostoma sparsifolium Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  SEINET270932  Adenostoma sparsifolium Richard J. Shaw 1958-4-6 1104 Riverside Highway 74 between Palm Desert and Idylwild Junction. 914 Comment
  UCSB2736  Adenostoma sparsifolium Gill, Robert 1959-11-22 Riverside Pines to Palms Highway 1219 Comment
  UCR34897  Agoseris retrorsa L. B. Ziegler 1969-6-3 371 Riverside San Jacinto Mtns, Thomas Mtn. 1835 Comment
  RSA296133  Agrostis exarata B. A. Prigge 1980-8-5 3846 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  POM49571  Agrostis idahoensis P. A. Munz 1924-7-27 8785 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  RSA263175  Agrostis idahoensis J. C. Roos 1937-8-18 465 Riverside Round Valley, San Jacinto Mountains. Comment
  UCR24967  Agrostis scabra A. C. Sanders 1980-7-22 1699 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UCR113940  Agrostis viridis Mitch Provance, A. C. Sanders 2000-7-4 2106 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR162540  Albizia julibrissin Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  UCR50718  Alhagi pseudalhagi Don Pendleton 1988-5-17 s.n. Riverside Eastern Colorado Desert, Blythe, in a lemon orchard on the mesa west of town Comment
  RSA703745  Allionia incarnata LeRoy Gross 2005-3-3 1563 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA718574  Allionia incarnata Michael Honer, L. Hulse 2004-4-3 1893 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  CAS-BOT-BC464447  Allium burlewii Edmund C. Jaeger 1922-6-21 s.n. Riverside Caramba, Tacquitz creek,San Jacinto Mts. 1828 Comment
  RSA366452  Allium fimbriatum var. fimbriatum N. C. Cooper 1944-4-20 1237 Riverside Pinyon Flats, Palms to Pines Highway. San Jacinto Mountains. 1220 Comment
  CAS-BOT-BC131979  Allium haematochiton S. Mashayekhi; M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from S. main divide, below the Radio Tower 971 Comment
  RSA395911  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA802137  Allium haematochiton Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5012 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR193130  Allium lacunosum var. davisiae A. C. Sanders, Tim Thomas 2008-6-20 35532 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR22054  Allium munzii Steve Boyd 1980-5-8 214 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  JOTR34173  Allium parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 129 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  RSA70189  Allium parishii F. W. Peirson 1928-4-25 7918 Riverside Western edge of broken country northwest of Cottonwood Springs, southern Mojave Desert. Comment
  RSA495445  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2973 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
Read comments
Mar 27 2011
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  SEINET5536155 Image available Alnus rhombifolia Lewis S. Rose 1938-1 38003 Riverside Whitewater 213 Comment
  JOTR30695  Aloysia wrightii La Doux, Tasha, Jim Andre 2008-9-13 264 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  RSA737437  Amaranthus albus Justin M. Wood 2008-8-31 119 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA714661  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60. 503 Comment
  RSA191450  Amaranthus californicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6666 Riverside 6 miles NW of Murrieta. 610 Comment
  SEINET10389835  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR272130  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  CAS-BOT-BC13615  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon 609 Comment
  JEPS40939  Ambrosia acanthicarpa Marjorie D. Clary 1932-10-2 1572 Riverside 6 mi w Indio; Colorado Desert, Point Happy 30 Comment
  UCR199558  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-7-2 10575 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CAS-BOT-BC22600  Ambrosia dumosa P. H. Raven 1960-3-16 14843 Riverside 2.2 miles W of Desert Center Comment
  HSC78666  Ambrosia dumosa R. F. Thorne, Drs. Fosberg, Herbst, Sachet 1983-4-23 55425 Riverside Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge, in sandy wash E of bridge, and on base of W-facing slope of ridge 412 Comment
  POM4817  Ambrosia dumosa I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA416967  Ambrosia dumosa A. Menke 1955-4-25 s.d. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
Read comments
Sep 10 2011
  RSA696738  Ambrosia dumosa J. Russell Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  UC1979834  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 986 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  RSA90532  Ambrosia dumosa S. Carlquist 1958-3-30 425 Riverside 2 miles west of palm Springs, on Palm-Springs-Cabazon road. Comment
  CAS-BOT-BC30792  Ambrosia ilicifolia E. E. Schellenger 4 Riverside Santa Marie Mts Comment
  RSA615546  Ambrosia pumila Fred M. Roberts 1997-6-29 5043 Riverside Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore. 117 Comment
  CAS-BOT-BC273023  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. s. of Palm Desert, along Palms to Pines Hiway Comment
  SEINET10797877  Ambrosia salsola var. pentalepis David B. Dunn, A. Folsom 1948-6-17 Dunn 3800 Riverside By quad 2. At camp in Pushawalla Canyon under palms. Desert dry wash. Indio Hills, Colorado Desert. Comment
  UC64802  Ambrosia salsola var. salsola E. E. Schellenger 1904-3-15 66 Riverside McCoy Wash Colorado Desert, Paloverde Comment
  UCR277746  Ammannia coccinea Mitch Provance 2011-7-29 17035 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  SD146229  Ammannia robusta A. C. Sanders, D. Bramlet et al 1999-10-15 23176 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden Hot Spr. Comment
  SBBG68008  Amorpha californica Anstruther Davidson -May-1893 Riverside Banning Comment
  SD187399  Amorpha fruticosa Scott D. White, Angelia Carey 2004-9-16 10765 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 502 Comment
  UC1563129  Amorpha fruticosa Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3580 Riverside Vail Lake Vail Lake area, Oak Mtn. (hills at nw end, e end of mt., n of Wilson Creek) 487 Comment
  UCR150015  Amorpha fruticosa Scott D. White, Angelia Carey 2004-4-16 10163 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  HSC84226  Amsinckia intermedia Karin Cleary 1987-4-8 11 Riverside Banning; 1.5 km N of the intersection of I-10 and Sunset Ave. E side of Sunset 835 Comment
  RSA0086762  Amsinckia intermedia R. G. Swinney 1967-5-26 11727 Riverside Snow Creek. 335 Comment
  RSA499893  Amsinckia intermedia Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert, Indio Rd. Comment
Read comments
Oct 23 2011
  SEINET3083521 Image available Amsinckia menziesii J. Hirshberg 1989-3-20 Riverside Santa Rosa Plateau, S of town of Murrieta; SW of Mesa de Burro. Comment
  SDSU18987  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 532 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 428 Comment
  UCR121798  Amsinckia menziesii var. menziesii A. C. Sanders, Carolyn Washburn 2001-4-17 24034 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  SD178189  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. southeast of summit of Gavilan Peak. 625 Comment
  UCR41524  Amsinckia tessellata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA586498  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0329 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR208065  Anemopsis californica Michael Wall 2000-7-16 145 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley: South side of Ramona Expressway, 0.5 mi. E of Sanderson Ave. in swale along agricultural field fence 457 Comment
  RSA77438  Angelica tomentosa F. W. Peirson 1924-7-29 5024 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  POM9753  Antennaria rosea E. C. Jaeger 1921-6-20 275 Riverside Long Valley, San Jacinto Mts. Comment
Read comments
Oct 6 2009
  RSA519212  Anthemis cotula M. Lee Overholtzer 1962-6-20 271 Riverside 4 miles southwest of Corona at Las Barrancas on oak Street. Comment
  UCR89925  Anthemis cotula Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SEINET269529 Image available Antirrhinum coulterianum Scott D. White, Steve Myers; S. Ogg M. Wilcox 1995-6-16 3303 Riverside Lake Elsinore Pumped Storage hydroelectric project. Steep northeast facing mountain slope west of Lake Elsinore southe 396 Comment
  UCR178849  Antirrhinum coulterianum T. B. Salvato, Tracy Tennant 1998-6-23 MOR- 445 A Riverside San Bernardino Mtns., Morongo Indian Reservation, polygon 13, N end of Hathaway Canyon 1280 Comment
  UCR59528  Antirrhinum coulterianum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3595 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA689390  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-17 9546 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  SEINET6057800  Antirrhinum nuttallianum Parish, Greata 4746 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  POM354920  Antirrhinum nuttallianum subsp. nuttallianum J. D. Olmsted 1962-5-10 3659 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  SD137619  Antirrhinum nuttallianum subsp. nuttallianum Darin L. Banks, Steve Boyd 1995-5-9 370 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 792 Comment
  SDSU13336  Antirrhinum nuttallianum subsp. nuttallianum Tom Duffy, Tarja Sagar 2000-4-29 3 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field Station. 320 Comment
  UC1536018  Antirrhinum nuttallianum subsp. nuttallianum Robert F. Thorne and Earl Lathrop 1975-5-25 45547 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro (Mesa de Burro) 609 Comment
  UC64224  Antirrhinum nuttallianum subsp. nuttallianum H. M. Hall 1897-6-1 Riverside Riverside foothills Riverside Comment
  RSA519254  Apiastrum angustifolium Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCD127240  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles southwest of Corona, Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  UCR130850  Apium graveolens S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UC455476  Apocynum cannabinum F. M. Reed Riverside Riverside Comment
  RSA69364  Aquilegia formosa var. hypolasia Verne Grant, Alva Grant 1951-7-19 16092 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA0125490  Arabis M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  UC667363  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument 1249 Comment
  RSA0128804  Arabis sparsiflora var. californica M. Wall 2008-7-4 483 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  RSA629424  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16847 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CAS-BOT-BC23119  Arctostaphylos glandulosa subsp. glandulosa W. Pequenat 1940-4-13 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
Read comments
Mar 13 2018
  POM367284  Arctostaphylos glandulosa subsp. glandulosa H. de Forest, Jack Rempel 1933-6-25 18035 Riverside San Jacinto Mts. 1098 Comment
  SD217272  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6655 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness; lower half of Tenaja Canyon especially about Fisherman/s Camp Comment
  POM254922  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Southwest Santiago Peak, Santa Ana Mts. 1735 Comment
  POM367316  Arctostaphylos glauca Kenneth R. Montgomery 1969-9-7 69 -24 Riverside Wilson Valley Road, 18 miles south of Hemet 1220 Comment
  RSA631832  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15528 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA632643  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16585 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  SBBG60020  Arctostaphylos glauca R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  SDSU17428  Arctostaphylos glauca C. Matt Guilliams 2007-8-2 394 Riverside Temescal Valley, west of Interstate 15. Along Cleveland National Forest margin in east-west trending ravine, on shaded north-facing slope. Housing development in progress. Ravine near intersection of McVicker Canyon Park Road and Gateway Rd. 630 Comment
  RSA633574  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633603  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22514 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633636  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20133 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633686  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16669 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA0038405  Arctostaphylos patula Elwood Fordham 1951-5-26 s.n. Riverside Fern Canyon, [Los Angeles County] 1219 Comment
  CAS-BOT-BC434238  Arctostaphylos pringlei Tracy Tennant; Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  CAS-BOT-BC44330  Arctostaphylos pringlei subsp. drupacea H. E. McMinn 1925-7-2 1495 a Riverside Tahquitz Trail, San Jacinto Mts. Comment
  CLARK-A1528-449  Arctostaphylos pringlei subsp. drupacea Kim Mortensen 1969-5-10 24 Riverside San Jacinto Mountains Comment
  LA42421  Arctostaphylos pringlei subsp. drupacea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  RSA489840  Arctostaphylos pringlei subsp. drupacea D. Charlton 1988-5-28 2138 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  SBBG118569  Arctostaphylos pringlei subsp. drupacea L. Gross, F. Navidara, V. Soza 2003-6-23 1120 Riverside Black Mtn Rd (4501), SE of Black Mtn and NW of Fuller Mill Crk; T4S R2E S14 2012 Comment
  UCSB4719  Arctostaphylos pringlei subsp. drupacea Newby, Ron 1959-5-16 Riverside 5 miles N of Idyllwild on trail to Mt. San Jacinto Saddle, 2 miles up the trail; San Jacinto Mountain Range 2590 Comment
  RSA0036097  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, one and one-half miles from Idyllwild on road to Banning, San Jacinto Mts. 1706 Comment
  RSA635779  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16727 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  SD180725  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 409 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 299 Comment
  UC488976  Argemone munita C. V. Meyer 1927-6-1 208 Riverside San Jacinto Mountains, Foot of Idyllwild Grade Foot of Idyllwild Grade; San Jacinto Mountains, Foot of Idyllwild Grade 762 Comment
  RSA0122711  Argyrochosma jonesii Duncan S. Bell, LeRoy Gross 2016-3-30 9149 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
  CAS-BOT-BC207119  Argythamnia lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center Comment
  RSA0042171  Argythamnia lanceolata Duncan S. Bell, Evan Meyer 2014-4-2 6515 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC729728  Aristida adscensionis Carl B. Wolf 1932-4-27 2987 Riverside on Blythe Rd 14 mi e Mecca (e of Shavers Well); Colorado Desert 152 Comment
  UCR211473  Aristida adscensionis Tasha La Doux, Jim Andre 2008-9-13 273 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  JOTR32023  Aristida californica var. californica La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2253 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; sandy ramps at base of Pinto Mountain (Stop 1) 504 Comment
  RSA795925  Aristida purpurea Duncan S. Bell 2009-4-19 284 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET14198857  Aristida purpurea J. C. Roos 1966-4-22 Riverside Rocky hills between March AFB and Lakeview Comment
  UCR112019  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA700958  Aristida purpurea var. parishii Gary D. Wallace 1982-5-15 2003 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  JOTR30829  Aristida purpurea var. wrightii La Doux, Tasha, Jim Andre 2008-9-16 345 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  CLARK-A1528-4993  Artemisia californica John C. Roos 1948-4-24 3806 Riverside Whitewater Comment
  SFV3693  Artemisia californica M. L. Vincent, R. H. Swade 1963-10-19 458 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  POM320341  Artemisia douglasiana Patricia Wilder 1971-11-11 5301 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  JOTR32835  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  CAS-BOT-BC93732  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2297 Riverside Tahquitz Canyon, San Jacinto Mts. 182 Comment
  CAS-BOT-BC93699  Artemisia ludoviciana subsp. incompta Grant 1901-8-1 4441 Riverside Strawberry Valley Comment
  JOTR33674  Artemisia ludoviciana subsp. incompta La Doux, Tasha 2003-9-24 1589 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  UCR100165  Artemisia tridentata Scott D. White 1992-12-16 982 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 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
  RSA773105  Asclepias californica Duncan S. Bell, Joy England 2010-6-14 1297 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1384 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
  RSA180460  Asclepias eriocarpa E. W. Lathrop 1960-6-6 4820 Riverside 14 miles W. of Murrieta. Comment
  RSA674619  Asclepias eriocarpa Scott D. White, Sandy Leatherman 2000-5-31 7978 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  SEINET3081813 Image available Asclepias erosa Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6487 Riverside Chuckwalla Valley, 2.8 miles northeast of Desert Center 198 Comment
  SEINET10580564  Asclepias erosa Marcus E. Jones 1931-9-15 Jones 28744 Riverside Hayfields Comment
  JOTR32397  Asclepias fascicularis Harding, Mitzi 2011-7-18 s.n. Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  SD122939  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau, Northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8SO1 and 8SO2 Comment
  SEINET12518425 Image available Asclepias subulata Mark Fishbein, Frankie Coburn, Danny Fuller 2016-1 7547 Riverside Along US Hwy 95 at jct Lonesome Dove Rd, 18 km north-northeast of jct I-10 at Blythe, west base of Big Maria Mountains, Colorado River valley. 93 Comment
  UCSB12490  Asclepias subulata Breedlove, Dennis 1961-9-11 Riverside Along roadside U.S. 60-70, 16.4 mi. E of Indio 441 Comment
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Mar 29 2014
  RSA585635  Aspidotis californica Darin L. Banks, Steve Boyd 1995-3-15 70 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UC811349  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside n-facing slope Santa Ana Mts., Leach Canyon 762 Comment
  POM17575  Aster bernardinus Dr H. Baer 1923-9-23 s.n. Riverside 2 miles S of Murietta. Comment
  CLARK-A1528-1605  Aster chilensis John C. Roos 1946-9-14 3014 Riverside San Jacinto Mountains 1371 Comment
  RSA21765  Astragalus aridus C. B. Wolf 1937-4-6 8437 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  UC667342  Astragalus bernardinus Annie M. Alexander and Louise Kellogg 1941-4-29 2104 Riverside 13 mi ssw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  CAS-BOT-BC177529  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  JOTR30999  Astragalus coccineus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1131 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  SBBG43626  Astragalus coccineus H. and M. Dearing 1952-3-26 6949 Riverside 3 mi N of Pinyon Flat, Pines to Palms Hwy Comment
  UCR35036  Astragalus coccineus L. B. Ziegler 1969-4-20 337 Riverside San Jacinto Mtns, Pinyon Flats. 1250 Comment
  JEPS54790  Astragalus crotalariae Marjorie D. Clary 1932-12-18 1751 Riverside 6 mi sw Coachella (Conchilla Desert, Colorado Desert); Colorado Desert, sw of Coachella, Conchilla Desert -15 Comment
  UC50312  Astragalus didymocarpus H. M. Hall Apr. 1903 3846 Riverside Moreno Valley Comment
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Mar 20 2011
  POM15067  Astragalus didymocarpus var. dispermus Mary F. Spencer 1922-3-25 1426 Riverside Mecca. -49 Comment
  CAS-BOT-BC178440  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  CAS-BOT-BC178455  Astragalus douglasii var. parishii Mary F. Spencer 1919-6-18 1190 Riverside San Jacinto Mts. 1615 Comment
  SD128289  Astragalus douglasii var. parishii R. Mitchel Beauchamp 1971-5-15 2419 Riverside Black Mountain Road, San Jacinto Mountains. 1615 Comment
  UC574637  Astragalus douglasii var. parishii S. B. and W. F. Parish 1880-1 1407 Riverside San Jacinto Mountain Comment
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Oct 17 2016
  UCD104743  Astragalus douglasii var. parishii R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR228909  Astragalus gambelianus A. C. Sanders 2011-4-7 39034 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
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  CAS-BOT-BC187104  Astragalus lentiginosus var. borreganus Ivan Johnston 1917-4-4 1065 Riverside Whitewater Comment
  IRVC28833  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-26 4226 Riverside Coachella Valley; E of Flat Top Mtn; at base in sand dunes. Northern Sonoran Desert 152 Comment
  UCR11604  Astragalus lentiginosus var. coachellae O. H. Kappler 1950-4-1 2046 Riverside Western Colorado Desert, Four mi. east of Palm Springs, north of Cathedral City. 183 Comment
  UCR101919  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  UCR240270  Astragalus pachypus var. jaegeri Theresa Johnson 2010-6-17 s.n. Riverside San Jacinto Mtns. Foothills, Lamb Canyon 701 Comment
  UCR58485  Astragalus pachypus var. jaegeri Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  POM26491  Astragalus pomonensis George B. Grant 1898-3-15 1609 Riverside Riverside. Comment
  SBBG121979  Astragalus pomonensis S. D. White, A. Carey 2004-4-16 10161 Riverside Indian Crk and adjacent slopes 549 Comment
  UCR139183  Astragalus pomonensis Virginia Moran 2003-4-23 s.n. Riverside March Air Force Base, west of I-215, in vegetation sampling plot set up by Center for Natural Lands Management 488 Comment
  POM9021  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-3-20 3376 Riverside 5 miles S of Corona. 305 Comment
  POM26331  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n Riverside Indio. Comment
  RSA779938  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2375 Riverside Just off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.6 air miles northeast of Red Dome. 859 Comment
  UCR25858  Astragalus tricarinatus John C. Roos 1949-4-2 4131 Riverside San Bernardino Mtns., near Whitewater 692 Comment
  RSA586037  Athysanus pusillus D. L. Banks, S. D. Boyd 1995-3-16 89 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  RSA758486  Athysanus pusillus M. Wall 2010-4-9 552 Riverside Bautista Creek east of Hemet, Bautista Canyon Rd. ca. 6.4 Miles SE of jct. with Fairview Ave. 713 Comment
  UCR91430  Athysanus pusillus Scott D. White 1995-3-30 2645 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA480072  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  CLARK-A1528-5402  Atriplex canescens John C. Roos 1951-10-19 5326 Riverside San Jacinto Valley 457 Comment
  POM202640  Atriplex canescens W. M. Ingram 1934-10 4 Riverside Colorado Desert Comment
  SEINET3930599  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana R. NW. of Arlington.; 0 Comment
  UCR266256  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west Hemet area, north of Stetson Ave. and east of the EMWD canal 456 Comment
  UCR92692  Atriplex coronata var. notatior A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18059 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR70541  Atriplex davidsonii D. E. Bramlet 1991-6-20 2200 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 8m east of Davis Rd & 150 m north of the San Jacinto River levee. Old river bed beside the channelized area of the river. 475 Comment
  SBBG65383  Atriplex hymenelytra S. W. Hutchinson 1928-2-1 107 Riverside Thousand Palms 243 Comment
  CAS-BOT-BC169292  Atriplex lentiformis John Thomas Howell 1928-1-28 3280 Riverside Thousand Palms, Colorado Desert Comment
  UCR77764  Atriplex rosea Steve Boyd 1991-7-13 6411 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  POM121924A  Atriplex semibaccata Marcus E. Jones 1900-7-16 6526 Riverside Temecula. Comment
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Mar 27 2011
  RSA737438  Atriplex serenana var. serenana Justin M. Wood 2008-8-31 118 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  CDA2957  Atriplex suberecta J. C. Roos 1965-10-17 Riverside 20 miles west of Blythe. 0 Comment
  SD211580  Atriplex suberecta Scott D. White 2008-8-20 12537 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameria and Oleander Streets. (Perris, Sunnymead) 445 Comment
  UCR172145  Atriplex suberecta A. C. Sanders 2006-5-11 32261 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  RSA689434  Atriplex suberecta R. E. Riefner 2003-5-27 3 -253 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  UCR114340  Atriplex triangularis Mitch Provance, S. D. Boyd 1999-9-14 1781 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA771662  Avena barbata Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4905 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
  UCR177506  Avena barbata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  RSA516752  Avena fatua Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA45533  Baccharis brachyphylla J. C. Roos 1949-4-2 4133 Riverside Near Palm oasis in the side canyon of Whitewater Canyon. 549 Comment
  RSA595736  Baccharis brachyphylla L. C. Wheeler 1966-10-15 8984 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  UCR120718  Baccharis glutinosa D. E. Bramlet 2000-8-30 3075 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  RSA296140  Baccharis salicifolia B. A. Prigge 1980-8-5 3885 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  SBBG63297  Baccharis salicifolia R. H. Nordhoff 1940-11-10 611 Riverside ca. 20 mi below Banning Comment
  UCR21852  Baccharis salicifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR97239  Baccharis salicifolia Scott D. White 1997-2-9 4674 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  RSA0086782  Baccharis sarothroides R. G. Swinney 1967-5-26 14063 Riverside Snow Creek. 457 Comment
  UCR262319  Baccharis sarothroides Duncan S. Bell 2013-10-30 s.n. Riverside Arica Mountains, east side of range, western section of Rice Valley, c. 6 air misoutheast of the ghost town of Rice 211 Comment
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  JOTR34045  Bahiopsis parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2946 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA442011  Bahiopsis parishii Robert Gustafson 1980-5-5 1563 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  JOTR37508  Baileya pauciradiata Hodges, Stephen R. 2016-3-1 634 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  POM41586  Baileya pauciradiata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA684337  Baileya pauciradiata Scott D. White, Michael Honer 2003-4-18 9036 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  CAS-BOT-BC106614  Baileya pleniradiata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  SD5792  Baileya pleniradiata Frances Keys 1929-6-28 Riverside Palm Springs; Desert Queen Ranch. Comment
  RSA556459  Bassia hyssopifolia Julie Greene 1993-4-30 1253 Riverside San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, E of Davis Road. 433 Comment
  SBBG133352  Bebbia juncea S. D. White, A. Carey 2004-7-2 10563 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  SBBG60781  Bebbia juncea S. W. Hutchinson, M. N. Ackley -Feb-1926 231 Riverside Painted Cyn, near Mecca 12 Comment
  CAS-BOT-BC106402  Bebbia juncea var. aspera J. Beley 1974-2-21 1817 Riverside Halfway between 195 & Cactus City (Buried Mtn.) on roadside. Comment
  JEPS19299  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1266 Riverside San Jacinto River to Strawberry Valley Comment
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Jul 8 2014
  JOTR31821  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  LA203072  Bebbia juncea var. aspera Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi. below Cottonwood Springs Comment
  RSA792934  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-23 142 Riverside Off of Corn Springs Rd. in the Chuckwalla Wilderness and Chuckwalla Mtns. South of Hwy. 10 ~4 mi. In a wash running north-south. 427 Comment
  UCR244893  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR104618  Berberis dictyota D. E. Bramlet, E. Robertson 1989-5-17 1863 Riverside Perris-Aguanga basin, Lake Perris, S facing slope of Mt. Russell, some 457m SW of the summit. The site is approximately 2.07 km west of Davis Road and 1.74 km south of Alessandro Blvd. 732 Comment
  HSC78521  Bergia texana J. C. Roos 1952-5-28 5730 Riverside San Jacinto River bottomland, 1 mi. SE of Perris. 427 Comment
  UC2015577  Bernardia incana A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  SBBG3990  Bernardia myricifolia H. and M. Dearing 1942-1-2 4783 Riverside E slopes of Palms to Pines Hwy 853 Comment
  POM78906  Berula erecta I. M. Johnston 1925-7-19 5332 Riverside Pedley-Arlington Road. Comment
  UC64498  Beta vulgaris H. M. Hall June, 1901 2004 Riverside San Jacinto Valley Comment
  CAS-BOT-BC412943  Bistorta bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  UCR183002  Bloomeria crocea Mitch Provance 2003-5-5 4428 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA0128828  Boechera P. A. Munz, D. M. Johnston 1922-5-20 5493 Riverside Kenworthy. 1433 Comment
  CAS-BOT-BC16089  Boechera californica Mary F. Spencer 1919-6-25 1224 Riverside San Jacinto Mountain. 1645 Comment
  CAS-BOT-BC16106  Boechera californica Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  RSA34558  Boechera californica N. C. Cooper 1944-6-16 1427 Riverside San Jacinto Mountains, west side. 1372 Comment
  UCR245996  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 A Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  UCD56839  Bouteloua aristidoides Geoffrey Levin 1976-10-17 1177 Riverside About 11 miles east of Mecca. Box Canyon. Mecca Hills. Salton Sea Basin. 91 Comment
  UCR111989  Bouteloua aristidoides A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23370 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella 24 Comment
  RSA0022745  Bouteloua aristidoides var. aristidoides April Garbat, Deidre Conocchioli 2013-9-12 124 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR265476  Bouteloua curtipendula Jordan Zylstra 2014-8-17 14027 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCR213309  Bowlesia incana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37696 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
  UCR41245  Bowlesia incana N. M. Fellows, A. C. Sanders 1985-4-9 139 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  SEINET13276693 Image available Brachypodium distachyon Steve Boyd 2011-1 12306 Riverside Coastal plains and basins; San Bernardino basin region.: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  JOTR35013  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA113921  Brandegea bigelovii P. C. Everett, E. K. Balls 1956-5-2 21553 Riverside 2 mi. N from turnoff Hwy 60/70 W of Desert Center, Rd to Eagle Mt. Pumping Station Comment
  UCR148303  Brandegea bigelovii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA0009699  Brandegea bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SBBG82062  Brassica nigra O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  CLARK-A1528-347  Brassica tournefortii R. Stoltz 1969-4-12 15 Riverside Cabazon 548 Comment
  RSA543311  Brassica tournefortii Steve Boyd 1991-3-17 5485 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
  RSA618764  Brassica tournefortii L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon. 457 Comment
  CLARK-A1528-5508  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  CAS-BOT-BC100514  Brickellia incana K. Larson 1977-5-11 2297 Riverside 10 mi. W. of Desert Center Comment
  LA102370  Brickellia nevinii John C. Roos; 1965-9-12 sn Riverside Santa Ana Mountains, Tin Mine Canyon, 3 mi. SW of Corona 548 Comment
  CAS-BOT-BC100608  Brickellia oblongifolia var. linifolia H. M. Hall 1901-6-1 2142 Riverside San Jacinto Mountains, Easetern base, along the borders of the Colorado Desert Comment
  JOTR34204  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2996 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UCR191211  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-22 934 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: Avenaloca Mesa; north side of Avocado Mesa Road at La Cuesta Road 750 Comment
  UCR50784  Brodiaea santarosae S. J. Myers 1988-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi west of the N end of Mesa de Burro, west of the town of Murrieta Comment
  LA13864  Bromus berteroanus F. M. Reed; 1909-4-7 1274 Riverside Box Spring Mountains Comment
  SD247282  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass: San Gorbonio 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 (White Water 7.5'Q) 433 Comment
  UC53323  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
  SEINET223812 Image available Bromus carinatus var. carinatus Elizabeth Neese 1979-4-11 7104 Riverside Road jct halfway between Blythe & Rice Comment
  UC69352  Bromus carinatus var. carinatus H. M. Hall 1901-7 2408 Riverside San Jacinto Mountains, Tamarack Valley Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2926 Comment
  UCD58337  Bromus catharticus L. Reese 1956-5-29 12 Riverside San Jacinto Valley. 475 Comment
  UC1861757  Bromus grandis Steve Boyd, Valerie Soza 2004-6-22 11539 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range in Hall Cnayon, at the south end of Lake Fulmor, just north of Hwy 243 1645 Comment
  UCR2219  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  RSA740713  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-7-8 12402 Riverside Johnson Meadow. 1439 Comment
  UCR2232  Bromus hordeaceus F. M. Reed 1906-5-31 970 Riverside Riverside, on Sedgwick Street in a little arroyo 274 Comment
  SBBG56628  Bromus laevipes R. Hoffmann 1929-9-6 Riverside near Tahquitz Pk Comment
  SDSU956  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  RSA778204  Bromus rubens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 798 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  SDSU17477  Bromus rubens Jerry Jenkins 2001-3-30 2001 -001 Riverside Santa Margarita Ecological Reserve. Roads and fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA716385  Bromus tectorum Scott D. White, Angelia Carey 2004-4-5 9995 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET244831 Image available Bromus tectorum A. C. Sanders 2002-4-16 24957 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UCD59901  Bromus tectorum Lowell J. Bean 1967-6-1 s.n. Riverside San Jacinto Mountains, Lake Fulmor. Comment
  UCR115995  Bromus tectorum A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23317 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  JEPS9627  Bursera microphylla Marjorie Clary 1939-3-2 Riverside 17 mi sw Coachella; Santa Rosa Mountains, Martinez Canyon Comment
  SBBG133350  Caesalpinia gilliesii S. D. White, A. Carey 2004-7-2 10577 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR199557  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CHSC851  Caesalpinia virgata M. Anthony 1954-4-15 Riverside Canyon east of Mecca. 152 Comment
  POM47669  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA124111  Caesalpinia virgata Percy C. Everett, E. K. Balls 1958-4-29 22958 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  RSA20297  Caesalpinia virgata Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9564 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UC700985  Calandrinia ambigua Aven and Ruth Nelson 1939-3-29 3326 Riverside near Palm Grove (at Hidden Springs at the Mecca road) Comment
  CAS-BOT-BC438491  Calandrinia ciliata A. C. Sanders; Kelly Volansky 2005-3-17 29238 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct. 412 Comment
  UCR138909  Calandrinia ciliata Julie A. Greene 1993-4-17 1199 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCR21911  Calandrinia ciliata Steve Boyd 1980-5-2 158 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR60512  Callitriche marginata R. F. Thorne 1973-5-23 43842 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  MACF022933  Calocedrus decurrens Trudy R. Ericson 1979-5-28 1018 Riverside 1.6 mi. from intersection of F. S. Rd. opposite Toledo Springs Campground and Thomas Mtn. Loop Road on F. S. Rd., Santa Rosa Mtns. 2072 Comment
  RSA352867  Calocedrus decurrens Albert J. Perkins 1917-6-19 s.n. Riverside San Jacinto Mts. Strawberry Valley. Comment
  UCR154627  Calochortus A. C. Sanders, Mike Misenhelter 2005-6-15 30994 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA369046  Calochortus palmeri var. munzii N. C. Cooper 1949-6-29 4315 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR193293  Calochortus palmeri var. munzii A. C. Sanders, Tim Thomas 2008-6-20 35543 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA377469  Calochortus splendens Christopher Davidson 1977-5-25 5652 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA524581  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4129 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  RSA659415  Calochortus splendens Marcy Keys 1981-5-16 64 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  UCR1591  Calochortus splendens R. L. Needham 1962-5-20 10089 Riverside San Jacinto Mtns., Banning-Idyllwild Hwy [243], c. 5 mi from Banning 915 Comment
  UCR167860  Calochortus splendens T. B. Salvato, John F. Green 2004-5-27 651 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR81099  Calochortus splendens Scott D. White 1993-5-29 1442 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA674712  Calycadenia tenella Scott D. White 2000-5-1 7748 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  RSA757793  Calycoseris parryi LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4294 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
  UC218071  Calyptridium monandrum Munz and Johnston 1922-5-19 5365 Riverside 5 mi ne of Murietta 457 Comment
  RSA422205  Calystegia macrostegia subsp. arida Christopher Davidson 1975-6-16 2806 Riverside Ca. 4 mi. S of Banning on roas R1 to Idyllwild. 1128 Comment
  RSA716492  Calystegia macrostegia subsp. tenuifolia Scott D. White 2006-4-27 11301 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC604976  Calystegia macrostegia subsp. tenuifolia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9664 Riverside foot of grade State Highway #74 (along San Jacinto River); along San Jacinto River Comment
  CAS-BOT-BC199280  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  HSC16408  Camissonia bistorta C. L. Hitchcock 1966-3-15 24173 Riverside 4 mi. NE of Aguanga Comment
  UCR251309  Camissonia bistorta T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7426 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  SEINET4681021  Camissonia boothii Elizabeth Neese 1979-4-10 7072 Riverside Joshua Tree National Monument S of Twenty-nine Palms, near Cottonwood Sp.; 0 305 Comment
  RSA465966  Camissonia boothii subsp. condensata N. C. Cooper 1949-4-8 3298 Riverside Desert Center. 610 Comment
  SEINET3093151 Image available Camissonia boothii subsp. desertorum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi SSW of Chuckwalla Valley Rd. [UTM 10km cell:PH-7E, 0N. Graham Pass] 488 Comment
  UCR148336  Camissonia brevipes John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  JOTR32163  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2315 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA144621  Camissonia brevipes subsp. brevipes William M. Klein, David P. Gregory 1958-2-14 150 Riverside Chuckwalla Mountains. Mouth of Corn Springs. Comment
  SEINET7097945  Camissonia brevipes subsp. brevipes A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao W NAD 27 (Converted to WGS84 decimal degrees). Comment
  UCR19027  Camissonia cardiophylla John C. Roos 1946-12-7 3181 Riverside Western Colorado Desert, Pushawalla Wash Comment
  RSA777404  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 837 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  POM13089  Camissonia chamaenerioides E. C. Jaeger 1920-3-1 s.n. Riverside Palm Springs Comment
  SEINET3005056  Camissonia claviformis G. Rink 2011-4-29 10494 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR134591  Camissonia claviformis Marisa Sripracha, Kyle Boyd 2004-2-14 007 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR256702  Camissonia claviformis Duncan S. Bell 2012-3-18 3216 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
  SEINET10492065  Camissonia claviformis David B. Dunn 1946-3-15 Dunn 2033 Riverside Collected on dry plateau in vicinity of pushawall canyon, indio hills. Sparse desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  RSA135291  Camissonia claviformis subsp. aurantiaca William M. Klein 1958-2-14 143 Riverside 15.4 mi. n. of Midway Well on road to Blythe [Hwy 78]. Comment
  RSA175093  Camissonia claviformis subsp. yumae Robert F. Thorne 1963-3-29 32394 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  POM20021  Camissonia confusa Mary F. Spencer 1923-06 2202 Riverside Idyllwild, San Jacinto Mt. 2561 Comment
  UCR23207  Camissonia confusa J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  RSA628479  Camissonia hirtella A. C. Sanders 1994-5-30 14594 Riverside Foothills NNE of Beaumont. 945 Comment
  RSA613897  Camissonia ignota A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19853 Riverside [Skinner Reservoir] 457 Comment
  UCR214335  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  SEINET7040153  Camissonia ignota 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
  RSA449244  Camissonia pallida subsp. hallii N. C. Cooper 1944-3-24 2001 Riverside Banning. 701 Comment
  POM99019  Camissonia refracta E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  SEINET10492424  Camissonia refracta David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3707 Riverside Found growing in a wash. Indio hills, colorado desert. Near fushawalla. Comment
  POM204502  Camissonia strigulosa Hibbard 1934-11-1 s.n. Riverside San Jacinto Mts. Comment
  UCR180354  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC50343  Camissoniopsis bistorta H. M. Hall April 1903 3788 Riverside vicinity of Riverside 396 Comment
  GMDRC7788  Camissoniopsis pallida J. M. Andre 2015-3-6 33549 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  UC635401  Camissoniopsis pallida subsp. pallida H. L. Mason 1928-3-10 4234 Riverside near Indio Comment
  UCSB4471  Camissoniopsis pallida subsp. pallida Koran, John 1958-4-15 Riverside 4.5 miles W. of HWY 111 on HWY 74, Just west of Palm Desert Comment
  RSA5009  Cardamine californica var. integrifolia C. B. Wolf 1932-3-20 9 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  POM289945  Carex alma Lyman Benson 1932-3-26 3165 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
  CAS-BOT-BC19173  Carex barbarae H. E. Hasse 1903-6-21 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  SEINET7485220 Image available Carex fracta P. F. Zika, Nick Otting 2010-1 25298 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest 1910 Comment
  UC837261  Carex nebrascensis P. A. Munz 1922-7-7 6047 Riverside Round Valley San Jacinto Mts. 2743 Comment
  POM1480  Carex praegracilis I. M. Johnston 1918-5-30 s.n. Riverside Temescal. 305 Comment
  CAS-BOT-BC117862  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside San Jacinto Mountains. Along trail from Tahquitz valley to San Jacinto Peak. 2621 Comment
  POM1518  Carex schottii I. M. Johnston 1918-4-27 1859 Riverside Murrieta. 305 Comment
  POM7120  Carex senta Phillip A. Munz, L. T. Street 1919-5-7 2726 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
  SD112262  Carex subfusca Darley F. Howe 1941-6-9 1291 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  CLARK-A1528-1691  Carthamus tinctorius John C. Roos 1965-7-7 Riverside Beaumont Comment
  UCD110245  Carya illinoinensis A. C. Sanders; T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development. 335 Comment
  SEINET3074273 Image available Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. 0.5 miles SW of the pumping station. 410 Comment
  RSA425880  Castilleja affinis M. V. Hood 1945-3-28 s.n. Riverside Hwy. 79 to Hemet from Aguaga. Ele. 1,800 ft. 549 Comment
  POM184739  Castilleja angustifolia C. Leo Hitchcock 1932-4-9 12225 Riverside White tanks, eastern Riverside. Comment
  POM19581  Castilleja applegatei subsp. martinii Mary F. Spencer 1923-7-18 2233 Riverside San Jacinto Mts. 2439 Comment
  UCR139416  Castilleja exserta P. A. Munz 1922-4-28 5031 Riverside Peninsular Range, Temescal Canyon 366 Comment
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Apr 3 2011
  UCR49232  Castilleja exserta Steve Boyd 1986-4-2 1612 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  JEPS16164  Castilleja foliolosa Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4068 Riverside Canyon sides along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  JEPS8770  Castilleja foliolosa W. L. Jepson May 17 1901-Jun 1 1901 1417 Riverside VanDeventer's Ranch Santa Rosa Mts., Vandeventer Flat 1493 Comment
  POM4325  Castilleja foliolosa Jenkins, Street 1917-5-30 s.n. Riverside Idylwild Canyon. Comment
  UCSB46696  Castilleja foliolosa Leen, Rosemary 1977-5-22 Riverside San Jacinto Mts; Highway 243 Comment
  RSA448750  Castilleja miniata M. B. Dunkle 1933-7-20 3710 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA0010952  Castilleja miniata subsp. miniata Mary F. Spencer 1923-7-8 2234 Riverside Saunders Meadows. pr. Idyllwild, San Jacinto Mt. 1829 Comment
  RSA0010956  Castilleja miniata subsp. miniata L. Crutcher 1933-8-22 5 Riverside Summit of Tahquitz Peak, San Jacinto Mts. Comment
  UCR110968  Castilleja minor George K. Helmkamp 1998-6-27 4099 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UC64209  Castilleja minor subsp. spiralis H. M. Hall 1897-6-4 Riverside Riverside Comment
  RSA552763  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6749 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UCR281782  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-5 417- 107 Riverside Temescal Valley, Foothills of the Gavilan Range, ridge +- 0.5 miles NNW of Lake St. and Walker Canyon Rd. 543 Comment
  UCR48357  Caulanthus heterophyllus Steve Boyd 1986-4-22 1743 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  SD247618  Caulanthus simulans Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest: near Main Divide Road approx. 2 km southeast of Ortega Highway. 843 Comment
  RSA343087  Ceanothus crassifolius Robert F. Thorne, Walter Wisura, E. W. Lathrop 1985-5-18 60628 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA569991  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7900 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
  RSA606763  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27426 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
  RSA19720  Ceanothus cuneatus I. W. Clokey, E. G. Anderson 1935-4-16 6733 Riverside East of Hemet 560 Comment
  UC1861758  Ceanothus cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  SEINET13945835 Image available Ceanothus cuneatus I. W. Clokey, E. G. Anderson 1935-1 6734 Riverside East of Hemet, Riverside County. 820 Comment
  UC520086  Ceanothus cuneatus var. cuneatus C. Epling 1932-6-24 Riverside near Idyllwild Comment
  UCR154461  Ceanothus cuneatus var. cuneatus Jason L. Hlebakos 2005-5-30 803 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  RSA5478  Ceanothus greggii var. perplexans Carl B. Wolf 1932-5-24 3655 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  RSA221091  Ceanothus integerrimus var. californicus E. W. Lathrop 1966-5-8 6416 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  HSC94288  Ceanothus leucodermis D. Atwood 1993-3-26 17680 Riverside Santa Ana Mtns., 4.8 mi. S of Lake Elsinore along Hwy. 74 808 Comment
  RSA0019598  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 339 Riverside Palms to Pines Highway. Comment
  RSA570235  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7909 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
  UCR165203  Ceanothus papillosus Robert Cox 2003-9-8 s.n. Riverside Peninsular Ranges, Santa Ana Mtns., Main Divide Road, between Bedford and Bald peaks 1098 Comment
  POM305802  Ceanothus spinosus Henry J. Ramsey 1937-4-2 1057 Riverside Elsinore - Capistrano. Comment
  CAS-BOT-BC63256  Ceanothus tomentosus var. olivaceus D. Bramlet 1999-4-10 2733 Riverside Bachelor Mountain. Alongside the existing dirt road leading to Bachelor Mth., on a plateau area 305 m. e. of peak. This 737 Comment
  CAS-BOT-BC63258  Ceanothus tomentosus var. olivaceus Robinson; Crocker 1916-3-29 s.n. Riverside Near Murrietta. Santa Ana Mts. Comment
  UCR26085  Centaurea repens John C. Roos, L. Roos 1951-10-24 5335 Riverside City of Riverside, between Arlington area and Pedley 229 Comment
  RSA734492  Centaurium venustum subsp. venustum M. Wall 2008-6-20 487 Riverside San Jacinto River east of Hemet off Hwy 74 just east of confluence with the North Fork; 637 Comment
  RSA707579  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  POM2210  Centrostegia thurberi H. M. Hall 1905-05 6021 Riverside Cottonwood Mountains, Colorado Desert 610 Comment
  UCR91863  Cerastium glomeratum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18116 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  POM122304  Cercidium floridum Marcus E. Jones 1926-6-8 sn Riverside Palm Springs Comment
  RSA27030  Cercidium floridum C. L. Hitchcock 1940-3-29 5844 Riverside 12 miles east of Indio. Comment
  VVC204  Cercidium floridum W. W. Mayhew 1959-2-11 s.n. Riverside Colorado Desert, Joshua Tree National Monument 732 Comment
  UC51614  Cercidium floridum subsp. floridum Jos. Burtt Davy 1902-4-2 8043 Riverside Salton Comment
  LA47736  Cercocarpus betuloides Elizabeth McClintock; 1936-7-19 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UC75942  Chaenactis artemisiifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  SBBG97181  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  JOTR31919  Chaenactis carphoclinia var. carphoclinia Harding, Mitzi, T. Herskovits 2011-4-10 s.n. Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; where foothills border Hwy 177 278 Comment
  UC69024  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1905-4-1 5847 Riverside Canon Springs Colorado Desert, Canon Springs Comment
  CAS-BOT-BC276935  Chaenactis fremontii Javier Penalosa 1963-4-10 2777 Riverside Deep Canyon, 3 miles S of Palm Desert 213 Comment
  LA212022  Chaenactis fremontii Deidre Conocchioli; Duncan Bell 2014-3-4 142 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695.0 Comment
  RSA568710  Chaenactis fremontii Walter Wisura, A. King, L. Newcomb 1992-4-10 4664 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UCR682  Chaenactis fremontii S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  UCSB49254  Chaenactis fremontii Hibbard, Doug 1977-5-16 Riverside Off NW side of Hwy. 74, 11.8 mi. from intersection with Hwy. 111 1036 Comment
  UCR180596  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-4-5 10020 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR34889  Chaenactis glabriuscula L. B. Ziegler 1967-4-18 117 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  RSA27591  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi. northwest of Elsinore 457 Comment
  OBI33598  Chaenactis glabriuscula var. lanosa John C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview Comment
  UCD130366  Chaenactis glabriuscula var. lanosa J. C. Roos 1966-4-29 s.n. Riverside between March AFB and Lakeview. Comment
  UCR201491  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UC456027  Chaenactis parishii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA695676  Chaenactis stevioides J. Russell Bruff 1928-4-3 179 Riverside 13 miles W of Desert Center. Comment
  SBBG25120  Chaenactis stevioides D. Myrick 1966-4-5 1382 Riverside US Hwy 60, ca. 5 mi W of Blythe Comment
  UCD20137  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -10 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCR89894  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  UCR97750  Chaenactis stevioides 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
  UCR20633  Chaetopappa aurea W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, 2 mi. west of Idyllwild 1494 Comment
  RSA651898  Chamaesyce albomarginata W. H. Grady 1948-4-24 s.n. Riverside Found 8 mi. west of Riverside at edge of dry grain field. 243 Comment
  RSA0062786  Chamaesyce micromera Duncan S. Bell, Evan Meyer 2014-10-22 7654 Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  JEPS52373  Chamaesyce polycarpa W. L. Jepson 1914-3-23 6054 Riverside Colorado Desert, Conchilla Desert 60 Comment
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Sep 1 2007
  JOTR32295  Chamaesyce polycarpa Herskovits, Tasya, M. Harding, M. Wheeler 2011-6-22 6 Riverside Joshua Tree National Park. Eagle Mountains; .5 mile east of Pinto Basin road and north of southern park boundary; Open sandy bajada 553 Comment
  RSA0040027  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-4-2 6501 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0042474  Chamaesyce polycarpa Deidre Conocchioli, Kristin Forgrave, April Garbat 2013-8-13 1 Riverside Chuckwalla Valley Road approximately 4 miles east of Corn Springs 194 Comment
  UC195031  Chamaesyce polycarpa Joseph Grinnell 1910-3-17 Riverside Colorado River, Riverside Mtn Comment
  RSA4  Cheilanthes clevelandii J. T. Howell 1927-8-2 552 Riverside Near Banning. 671 Comment
  RSA85548  Cheilanthes covillei F. W. Peirson 1928-11-30 8213 Riverside about 1 mile north of Cottonwood Spring, northeast of Mecca. Comment
  UC42441  Cheilanthes covillei Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  UC729539  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside 1/2 mi below fish hatchery Snow Creek Canyon; N Base San Jacinto Mts 548 Comment
  RSA605762  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  UCR214010  Cheilanthes newberryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37798 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  POM292790  Cheilanthes parryi Lyman Benson 1949-3-28 13560 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  RSA748607  Cheilanthes parryi Scott D. White, Justin M. Wood 2009-4-28 12604 Riverside City of Desert Hot Springs. Comment
  UCR155814  Chenopodium album John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA613314  Chenopodium album D. L. Banks 1997-3-1 1379 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
  RSA0106273  Chenopodium ambrosioides Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  CLARK-A1528-2557  Chenopodium ambrosioides var. anthelminticum John C. Roos 1952-6-10 5756 Riverside Santa Ana River 259 Comment
  UCR275354  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-9 1497 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR133377  Chenopodium californicum Mitch Provance, J. S. Ross 1998-3-27 MOR- 989 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR141237  Chenopodium missouriense A. C. Sanders, Mike Misenhelter 2004-10-6 28840 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA788562  Chenopodium murale Duncan S. Bell 2012-3-8 3142 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  RSA549246  Chenopodium rubrum A. C. Sanders, O. F. Clarke 1991-10-5 11741 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  CDA3103  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns.; Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. Comment
  UCR93823  Chenopodium strictum var. glaucophyllum P. J. MacKay 1996-6-15 007 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  CAS-BOT-BC231771  Chilopsis linearis Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  CLARK-A1528-2282  Chilopsis linearis John C. Roos 1943-5-23 2669 Riverside Dry Morongo Wash Comment
  UCSB8346  Chilopsis linearis Ralph, F. 1959-5-17 Riverside Along Hwy. 74 between Cathedral City and Palm Desert, 0.3 miles east of Cathedral City limits 152 Comment
  SD131994  Chilopsis linearis subsp. arcuata W. L. Jepson 1914-5-18 5999 Riverside Colorado Desert, Cottonwood Mountains, PiA'on Well Grade Comment
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Jul 11 2010
  UC2031354  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains:Hayfields Dry Lake, N of Interstate10, about 1 mile SW of the pumping station. Comment
  UCR6748  Chloris gayana J. M. Harper 1967-11-18 s.n. Riverside Riverside, residence at 4212 Locust Street 256 Comment
  RSA724119  Chloris truncata R. E. Riefner 2003-5-27 3 -254 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  CAS-BOT-BC184864  Chloris virgata Fred M. Reed 1904-8-14 94 Riverside On Monroe Street between Duffer's and Victoria Aremnes-Arlington Heights. Comment
  POM364942  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Thermal, Salton Basin. -40 Comment
  UCR114638  Chorispora tenella Fred M. Roberts 1992-4-8 4854 Riverside San Jacinto Valley, Hemet, Upper Salt Creek Watershed, along west side of Warren Road, c.a. 0.3km jct. with Florida Ave. 457 Comment
  UCR277700  Chorizanthe Mitch Provance 2012-4-1 412- 37 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  JOTR30957  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1932 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SD21515  Chorizanthe brevicornu var. brevicornu Frank F. Gander 1938-5-21 5758 Riverside Shaver's Summit Comment
  UCR30161  Chorizanthe corrugata A. C. Sanders 1983-4-24 3801 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  UCR1214  Chorizanthe fimbriata var. fimbriata Standley 1960-5-11 s.n. Riverside Perris-Aguanga Basin Region, 8 miles east of Temecula on Hwy 71 [=79] to Warner Springs, near Vail Lake and Dripping Springs 500 Comment
  UCR59523  Chorizanthe leptotheca Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3605 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  CAS-BOT-BC252788  Chorizanthe parryi var. parryi A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-26 32614 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott. Road and north of Clinton Keith Road 579 Comment
  POM13242  Chorizanthe parryi var. parryi P. A. Munz, J. M. Johnston 1922-5-19 5359 Riverside 5 miles NE of Murietta. 457 Comment
  UCR217550  Chorizanthe parryi var. parryi Diane Menuz 2008-3-24 377 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  UCR220144  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-11 2351 Riverside Peninsular Range, Lake Skinner County Park; north of old pig farm, 2000 ft. NE of Tucalota Creek & 6500 ft. east of Lake Skinner 485 Comment
  RSA720446  Chorizanthe polygonoides var. longispina Naomi Fraga, Valentin Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1697 Riverside East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  UC284215  Chorizanthe staticoides P. A. Munz and D. D. Keck 1923-6-14 7085 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1463 Comment
  UCR209584  Chorizanthe xanti subsp. leucotheca Robert J. Steers, Matt Willis, Jodi Ross 2009-6-3 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, between Pipeline Rd. and San Gorgonio River, south of I-10 and 0.46 mi. west of Agnes Ave. crossing of Blanche Ave. 552 Comment
  SD224832  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. Rocky creek bed 883 Comment
  CDA19741  Chrysopsis villosa H. R. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  RSA696808  Chrysothamnus teretifolius J. Russell Bruff 1928-12-4 s.n. Riverside Split Rock Comment
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Oct 23 2011
  UCR150648  Chrysothamnus teretifolius Bern Schwenn 1994-11-5 s.n. Riverside Joshua Tree National Monument, Eagle Mtns: 3.2 mi south of Black Eagle Rd on BLM route J289; junction of J289 and Black Eagle Rd. is 8 mi east of paved Pinto Basin Rd Comment
  UC1184297  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11475 Riverside 5.5 mi se Painted Canyon turn-off; Box Canyon Comment
  SBBG60506  Chylismia cardiophylla subsp. cardiophylla S. W. Hutchinson -Feb-1926 752 Riverside entrance to Painted Cyn Comment
  CAS-BOT-BC160579  Chylismia claviformis subsp. aurantiaca G. Helmkamp; E. Helmkamp 1998-1-17 2531 Riverside Coachella Valley; Bob Hope Dr. 0.9 mi. S of I-10 42 Comment
  SBBG5110  Chylismia claviformis subsp. aurantiaca H. and M. Dearing 1939-12-31 4048 Riverside 5 mi N Palm Springs Comment
  RSA0123701  Cirsium neomexicanum Duncan S. Bell, Thomas Stoughton 2016-4-12 9235 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
  POM306147  Cirsium occidentale var. californicum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1338 Riverside Santa Rosa Mountains. Comment
  UCR165605  Cirsium occidentale var. californicum T. B. Salvato, John F. Green 2004-5-27 707 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
  POM13155  Cirsium scariosum P. A. Munz, I. M. Johnston 1922-5-19 5449 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM226887  Cistanthe monandra L. R. Abrams 1935-4-7 13670 Riverside Gavilan Hills, 2 mi. SW. of Perris. Comment
  UCR65511  Clarkia delicata E. W. Lathrop 1989-5-10 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 4 mi. SW of Corona. Comment
  UCR133429  Clarkia dudleyana Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 206 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  RSA699819  Clarkia epilobioides Scott D. White, Michael Honer 2003-4-4 8928 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA526131  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross 1990-5-11 4644 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA678934  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-6-3 9477 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SDSU12921  Claytonia parviflora subsp. parviflora J. Jill Steinberg with Janet Knotts 1998-3-11 5 Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 305 Comment
  UCR54244  Claytonia parviflora subsp. viridis David Charlton 1988-5-21 1922 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  RSA276910  Claytonia perfoliata subsp. mexicana J. M. Miller 1978-3-25 724 Riverside San Gorgonio Pass, foothills of the San Jacinto Mountains; 3 mi. S of Banning, Hwy 243. 854 Comment
  RSA228816  Claytonia perfoliata subsp. perfoliata Colin M. Wainwright, Larry DeBuhr 1972-2-10 602 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  SD136775  Clematis ligusticifolia Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7676 Riverside San Mateo Canyon Wilderness, Upper San Mateo Canyon, top of Tenaja Falls 671 Comment
  CAS-BOT-BC92822  Clematis pauciflora Frank W. Peirson 1921-3-22 2372 Riverside Murray Canyon. 426 Comment
  SBBG71894  Clematis pauciflora E. C. Jaeger 1925-5-2 Riverside Kyes Cyn, Box Spring Mts near Riverside Comment
  UCR116896  Clematis pauciflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24203 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
  SEINET3089077 Image available Cleome isomeris C. F. Shutts 1949-3-19 57 Riverside Cottonwood Pass, Little San Bernardino Mtns. 305 Comment
  UCR107404  Cnicus benedictus B. G. Pitzer 1997-3-23 2976 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
  UCR234409  Cnicus benedictus Kai T. Palenscar 2010-4-3 s.n. Riverside City of Riverside; Santa Ana River, just north of Martha McLean-Anza Narrows Park 217 Comment
  UCR42621  Cnicus benedictus B. G. Pitzer, Karen Kirtland 1986-5-6 0264 Riverside 1.5 miles SE of Murrieta along Murrieta Creek; bounded north by Fig St, on south by Elm St., on east by Adams ave, and on west by Jefferson ave. 317 Comment
  RSA0117450  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35594 Riverside Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1500 Comment
  RSA0117452  Collinsia concolor Duncan S. Bell, Lucilla Reccia 2010-5-5 965 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  UCR102835  Collinsia concolor A. C. Sanders 1997-4-3 20165 Riverside Lake Skinner area, hills NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR2967  Convolvulus arvensis Patricia Gavin 1963-5-4 5-4-63- 3 Riverside Riverside, on Canyon Crest Road, 25 ft. from Monte Vista Road Comment
  UCR35148  Convolvulus arvensis L. B. Ziegler 1977-6-6 567 Riverside San Jacinto Valley 473 Comment
  POM10308  Conyza bonariensis Anonymous s.n. Riverside Riverside Comment
  UCR193958  Conyza canadensis A. C. Sanders 2008-7-25 35886 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
  JEPS6760  Cordylanthus nevinii W. L. Jepson 1903-8-6 2274 Riverside Dark Canyon San Jacinto Mountains Comment
  POM10303  Corethrogyne filaginifolia F. M. Reed 1907-10-20 1980 Riverside Columbia Ave, near Spanishtown Road Comment
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Nov 30 2009
  RSA681896  Crassula connata Scott D. White 2001-3-13 8164 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  SBBG55786  Crassula connata D. Keil, M. McLeod 1977-3-26 12014 Riverside Hwy 71, 8 mi NW of Lake Elsinore St Recreation area 365 Comment
  JEPS49997  Crassula connata var. erectoides L. M. Newlon 1922-4-3 449 Riverside Mt. San Jacinto, Andreas Canyon Comment
  RSA575913  Cressa truxillensis Steve Boyd, Darin L. Banks, Bob Boyd 1994-9-29 8373 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR266332  Cressa truxillensis D. E. Bramlet 1992-5-15 2283 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  RSA394758  Cressa truxillensis Anstruther Davidson 1903-5-3 1899 Riverside Thermal. Comment
  UCR274217  Crossosoma bigelovii Duncan S. Bell, Evan Meyer 2014-10-29 7678 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  OBI75912  Croton californicus James M. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella valley; just S of I-10 at Amtrak Train station parking, just W of N Indian Cyn Dr 186 Comment
  SDSU13473  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, on north bank of Santa Margarita River at aqueduct crosing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 250 Comment
  SEINET3164599  Croton californicus L. S. Copel 1904-5-4 sn Riverside West Canyon, Palm Springs; Colorado Desert Comment
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Aug 3 2013
  UCSB7616  Croton californicus Ullman, Sydney 1956-4-14 Riverside Town of Whitewater Comment
  RSA674754  Crypsis schoenoides Scott D. White 2001-6-29 8632 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  RSA0116808  Cryptantha A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of I-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. 317 Comment
  UCR260583  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41567 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  RSA191745  Cryptantha angustifolia R. F. Thorne 1963-3-29 32410 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA777540  Cryptantha angustifolia Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 900 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  RSA796472  Cryptantha angustifolia Duncan S. Bell 2009-4-18 208 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
  RSA799816  Cryptantha angustifolia D. M. Ray 2011-3-5 14 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG6237  Cryptantha angustifolia H. and M. Dearing 1939-12-31 4052 Riverside near Indio Comment
  SBBG6240  Cryptantha angustifolia H. and M. Dearing 1938-3-5 1962 Riverside between Blythe and Desert Center Comment
  UCR228174  Cryptantha angustifolia Dave Silverman, Onkar Singh 2010-3-26 7849 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 2.2 km E of Black Creek Rd, c. 5 km W of McCoy Wash, and c. 8 km N of I-10 146 Comment
  UCR279403  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-25 43017 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR29934A  Cryptantha barbigera Melissa Luckow, R. Riggins 1982-4-14 806 Riverside Mojave Desert, Joshua Tree National Monument, 4.5 mi north of Cholla Gardens. 7 mi SE of jct with Monument Road on Pinto Basin Road 915 Comment
  POM96832  Cryptantha barbigera F. M. Reed 1926-3-3 5162 Riverside Wash of Whitewater River near Bridge on Hwy. Comment
  JOTR29584  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-6 6716 Riverside Joshua Tree National Park. about 50 m. north of the Keys View Parking area 1552 Comment
  UCR281802  Cryptantha corollata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 125 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  RSA0023243  Cryptantha dumetorum J. Andre 2013-3-4 23868 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  UCR200397  Cryptantha dumetorum Tasha La Doux, Jim Andre 2008-3-21 149 Riverside Eastern Mojave Desert, Joshua Tree National Park, Lower Wilson Wash along NE side of paved road 853 Comment
  HSC3617  Cryptantha intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23092 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  RSA683853  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-4 8959 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SBBG89123  Cryptantha intermedia D. Hawks 1988-4-2 Riverside Tule Crk drainage, 1.75 air mi NE of Aguanga, SE of intersection of Dove and Sycamore streets, S of Hwy 371 762 Comment
  UCR116897  Cryptantha intermedia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24193 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
  UCR260533  Cryptantha intermedia T. B. Salvato 2014-5-29 8028 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR89846  Cryptantha intermedia Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3304 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
  POM287672  Cryptantha maritima Lyman Benson 1933-3-31 4170 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA524410  Cryptantha maritima Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4102 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
  UC598645  Cryptantha maritima John Bright 1936-4-21 12823 Riverside n of Palm Springs; Colorado Desert Comment
  UCR102705  Cryptantha maritima B. G. Pitzer 1998-1-24 3383 .2 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  POM72168  Cryptantha micrantha Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA728603  Cryptantha micrantha Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1893 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  UC1063825  Cryptantha micrantha H. S. Yates 1937-3-23 6400 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  SBBG101671  Cryptantha microstachys S. Boyd, O. Mistretta 1991-5-22 6282 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  UC1563133  Cryptantha muricata Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3162 Riverside just sw Vail Lake Area dam; Vail Lake Area 487 Comment
  UCR20918  Cryptantha muricata A. C. Sanders 1978-7-5 00205 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  UCR262451  Cryptantha muricata John F. Green 2015-6-23 615- 05 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  CLARK-A1528-2227  Cryptantha muricata var. jonesii John C. Roos 1950-4-15 4732 Riverside Reche Canyon 792 Comment
  RSA0079314  Cryptantha muricata var. jonesii T. B. Salvato, A. C. Sanders 2005-5-17 892 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR228203  Cryptantha nevadensis Dave Silverman 2010-3-30 7884 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  UCR214897  Cryptantha nevadensis var. nevadensis A. C. Sanders 2010-3-23 37530 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR279550  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-25 43013 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SDSU18692  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-1 55 Riverside Joshua Tree National Park. 1000 ft southeast of Cottonwood Springs campground. Near sign for entrance from campground to Mastodon loop trail. North facing slopes. 905 Comment
  UCR279373  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-24 42954 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR72188  Cryptantha pterocarya var. cycloptera Theo Glenn 1992-3-31 92- 08 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA0079266  Cryptantha pterocarya var. pterocarya J. D. Olmsted 1958-3-30 89 Riverside A few miles north of southern entrance to Joshua Tree National Monument on Cottonwood Pass Road. 838 Comment
  UCR101577  Cryptantha racemosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA339347  Cryptantha utahensis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54077 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0024547  Cryptantha wigginsii Steve Boyd 1986-5-1 1797 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR113223  Cucurbita foetidissima A. C. Sanders 1997-11-25 21624 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  SEINET3082991 Image available Cucurbita maxima A. C. Sanders 1987-9-27 7386 -A Riverside Cultivated in the vegetable garden at 422 Campus View Dr. Comment
  UCR282354  Cuscuta Mitch Provance, Jeremiah George 2017-7-26 717- 04 Riverside San Bernardino Valley, Jurupa Valley, northeast side of the Riverside Basin, just SE of Philadelphia St. and Wineville Rd. 247 Comment
  CAS-BOT-BC224552  Cuscuta californica H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  SBBG35570  Cuscuta californica D. Myrick 1966-4-2 1330 Riverside Palms to Pines Hwy 74 ca. 3 mi W of Palm Desert Comment
  UCR21937  Cuscuta californica var. californica Steve Boyd 1980-5-11 220 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM222642  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek. 152 Comment
  SEINET5624442 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  SEINET5624443 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .1 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET5624461 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  RSA0039057  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 Riverside Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR114205  Cylindropuntia prolifera A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23645 Riverside Temecula Valley, gasline route on east edge of Temecula, c. 2 km SW of Skunk Hollow and 1 km north of Nicolas Rd., north side of next arroyo north of Santa Gertrudis Creek, NE of elementary school 381 Comment
  SEINET10468117  Cynodon dactylon Billy Joe Cox 1975-6-26 Cox 4198 Riverside Co. Imperial. Palo Verde, 1-3 km E, (ca. 32 mi S of Blythe); creosote desert scrub; sandy and gravelly entisols; 70 Comment
  RSA788097  Cyperus eragrostis Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49551 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR23202  Cyperus eragrostis S. Gallagher 1981-6-1 24 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  RSA273007  Cyperus erythrorhizos C. W. Tilforth, Walter Wisura 1978-10-6 1714 Riverside Lake Skinner, north-east of Temecula 451 Comment
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Apr 30 2011
  UCR85376  Cyperus niger A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11745 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  SBBG94682  Cyperus odoratus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd Comment
  UCR207812  Cyperus odoratus O. F. Clarke 2004-8-5 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  POM11496  Cystopteris fragilis P. A. Munz 1922-7-7 6051 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  CAS-BOT-BC280861  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio Comment
  RSA684338  Dalea mollis Scott D. White, Michael Honer 2003-4-18 9037 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  SD224957  Dalea mollissima G. K. Helmkamp 1998-2-5 2673 Riverside Little San Bernardino Mtns., 3.2 mi N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  SEINET3005047  Dalea mollissima G. Rink 2011-4-25 10483 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  CLARK-A1528-2772  Dalea schottii John C. Roos 1966-5-2 Riverside Indio Hills Comment
  CAS-BOT-BC283036  Dasyochloa pulchella Carl B. Wolf 1932-4-27 3034 Riverside Mecca - Blythe Road 3/4 mi. west of Utopia, Colorado Desert 152 Comment
  RSA356644  Datisca glomerata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47299 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  SD137794  Datisca glomerata Darin L. Banks, Steve Boyd 1995-5-3 203 Riverside Agua Tibia Wilderness Area, Cleveland National Forest, N slope of Agua Tibia Mtn. 490 Comment
  CLARK-A1528-4340  Datura discolor John C. Roos 1949-3-5 4094 Riverside Colorado Desert Comment
  RSA709692  Datura discolor M. B. Dunkle 1935-4-17 4562 Riverside W. of Wiley Well. Colorado Desert. Comment
  UCR1668  Daucus pusillus Annette Price 1962-5-8 088 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road, c. 4 mi. [west] from Washington Avenue, Murrieta 549 Comment
  SEINET7837536  Deinandra M. Wall, Whiting, Dick 2005-8-6 402 Riverside Peninsular Ranges. Perris-Aguanga Basin region. SE Hemet, Santa Rosa Hills, Simpson Park. Comment
  UC32756  Deinandra kelloggii Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  CAS-BOT-BC131021  Deinandra mohavensis A. C. Sanders; T. Schram; D. Wappler 1994-10-4 15775 Riverside San Jacinto Mountains: nameless tributary of Azalea Creek ca. 1 mile due S of the Twin Pines Ranch buildings 1130 Comment
  CAS-BOT-BC257279  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region: SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  CAS-BOT-BC523925  Deinandra paniculata D. E. Bramlet 2006-8-11 4045 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, W of Hemet at Hemet-Ryan Airport 458 Comment
  RSA736329  Deinandra paniculata Scott D. White, Justin M. Wood 2008-5-27 12036 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  RSA736661  Deinandra paniculata Justin M. Wood 2008-7-16 25 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  SD148238  Deinandra paniculata A. C. Sanders, T. B. Salvato 2001-5-24 24365 Riverside Perris-Aguanga Basin region:Temecula, Long Canyon west of Del Rey Road, along bottom of canyon west of junction of Av. Pina Colada (mak 10/07) 345 Comment
  LA207333  Delphinium gypsophilum L. N. Goodding; November 1943 sn Riverside 50 mi. S of Indio, along highway Comment
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Mar 26 2014
  HSC34791  Delphinium hesperium R. E. Cooksey Mar 1974 205 Riverside Salton Sink in San Bernardino Mtns., White Water Canyons 305 Comment
  CAS-BOT-BC7977  Delphinium parishii subsp. parishii Emmet Rixford 1917-4-17 S.N. Riverside Coachella Valley. Comment
  PASA2532  Delphinium parryi 1922-5-18 Riverside Road south of Lake Elsinore 377 Comment
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Jun 24 2016
  UC1979564  Delphinium parryi subsp. parryi Darin L. Banks, Steve Boyd 1995-5-9 396 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  RSA400030  Delphinium patens subsp. hepaticoideum J. C. Marvin 1921-4-1 s.n. Riverside Near Banning. Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  RSA433243  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18015 Riverside Along road to Banning, San Jacinto Mts Comment
  UC1931201  Deschampsia danthonioides Scott D. White, Justin Wood 2008-6-19 12267 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR85536  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  POM369423  Descurainia pinnata Dr H. de Forest 1929-2-16 s.n. Riverside San Gorgonio Pass(San Bernardino Mtns. on label) Comment
  UCR241478  Descurainia pinnata Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1007 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  CAS-BOT-BC43198  Descurainia pinnata subsp. brachycarpa H. M. Hall 1898-7-22 1053 Riverside San Bernardino Mountains. Comment
  RSA770787  Descurainia pinnata subsp. glabra Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4527 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA740649  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-19 12272 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA716261  Dichelostemma capitatum Scott D. White, Angelia Carey 2004-4-5 10000 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  IRVC14695  Dichelostemma capitatum subsp. capitatum Victoria Sork 1973-4-5 s.n. Riverside Elsinore; 1.5 mi. N, 0.5 mi. W of intersection of Hwys 74 and 71. Comment
  SDSU12268  Dichelostemma capitatum subsp. capitatum Jeremy Mass, Ryan Jacobsen 2000-4-19 12 Riverside Along edge of road near Stone Creek, close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  RSA70375  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1919-4-12 s.n. Riverside Tahquitz canyon near Palm Springs. Comment
  RSA431199  Dicoria canescens J. C. Roos 1957-11-30 6659 Riverside 6 mi NW of Thousand Palms. 152 Comment
  UC527699  Dicoria canescens C. B. Wolf 1930-1 2547 Riverside roadside at Cabezon; San Gorgonio Pass 518 Comment
  OBI4098  Dieteria asteroides var. asteroides Donald Myrick 1969-10-20 2127 Riverside Near Mt. San Jacinto College, San Jacinto Comment
  LA102182  Digitaria ischaemum John C. Roos; 1965-9-28 sn Riverside San Jacinto Comment
  UCR113933  Digitaria ischaemum Mitch Provance, A. C. Sanders 2000-7-4 2096 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM47470  Digitaria sanguinalis Mary F. Spencer 1919-7-6 1265 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  CAS-BOT-BC291030  Dimorphotheca sinuata John Thomas Howell 1960-3-24 35145 Riverside Hemet Comment
  CAS-BOT-BC150933  Diplacus bigelovii var. bigelovii T. Mosquin 1958-2-22 3203 Riverside Corn Spring, Chuckwalla Mts. Comment
  CAS-BOT-BC150941  Diplacus bigelovii var. bigelovii Milo S. Baker 1928-4-3 3285 b Riverside Palm [Canon] Canyon Comment
  CAS-BOT-BC152914  Diplacus brevipes R. S. Woglum 1937-5-22 528 Riverside Temecula, Riverside county (southwest) Comment
  RSA0019290  Diplacus brevipes A. C. Sanders 2008-7-25 35896 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA0019292  Diplacus brevipes Duncan S. Bell, Joy D. England 2010-6-7 1270 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 780 Comment
  RSA0042922  Distichlis spicata Duncan S. Bell, Evan Meyer 2014-4-2 6493 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; Canyon Spring. 367 Comment
  UCR2336  Distichlis spicata H. S. Fawcett 1913-12-11 1084 Riverside Riverside, north of [Mt.] Rubidoux, flat in sand [along Santa Ana River] 244 Comment
  JEPS3936  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral reef Ranch, Coachella Valley Comment
  SBBG81483  Ditaxis claryana S. A. Junak 1983-3-23 1638 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SBBG81673  Ditaxis lanceolata S. A. Junak 1983-3-23 1645 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  SEINET3197205 Image available Ditaxis lanceolata Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  UC2026381  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10054 B Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCD142874  Ditaxis lanceolata James Henrickson 1963-3-29 1215 Riverside 12 miles West of Desert Center, near Eagle Mt. 533 Comment
  UCR25853  Ditaxis lanceolata John C. Roos, Lucille Roos 1949-4-6 4147 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  JOTR29562  Ditaxis neomexicana Andre, Jim, Tasha LaDoux 2006-4-11 6736 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 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
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  CAS-BOT-BC43641  Dithyrea californica P. A. Munz; L. Street; I. Williams 1919-3-25 2309 Riverside Whitewater. 304 Comment
  UCR245959  Dithyrea californica Duncan S. Bell 2009-3-8 63 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  RSA753813A  Dodecahema leptoceras D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  CLARK-A1528-3836  Dodecatheon clevelandii John C. Roos 1952-2-29 5370 Riverside Box Springs Mountains 457 Comment
  CLARK-A1045-157  Downingia cuspidata George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  POM370046  Draba cuneifolia var. sonorae Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM366541  Drymocallis glandulosa var. viscida H. E. Hasse 1894-7-4 s.n. Riverside [Unspecified] Comment
  RSA115730  Dryopteris arguta Lucille Weight 1957-1 s.n. Riverside north Malapai Hill, Joshua Tree National Monument, southern end of Mojave Desert Comment
  RSA85439  Dryopteris arguta J. C. Roos 1952-4-13 5519 Riverside Box Springs Mts. 518 Comment
  SDSU5784  Dudleya edulis James C. Dice, J. DeWald 1987-10-5 731 Riverside Temecula Gorge, south side of aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 259 Comment
  SD212578  Dudleya lanceolata A. C. Sanders, T. B. Salvato and Kelly Volansky 2006-5-28 32628 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon/Scott road and north of Clinton Keith Rd. 579 Comment
  HSC25837  Echinocereus engelmannii R. W. Spjut 1972-3-30 2345 Riverside On rocky slopes just SW of Coahulla Indian Reservation, ca. 2 mi. E on Hwy. 71 from Jct. with Hwy. 79, near San Diego Co. line. 1220 Comment
  UCSB24787  Echinocereus engelmannii Head, W. 1966-5-15 Riverside Pinyon Flats Campground 1249 Comment
  CLARK-A1528-1805  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside Comment
  UCR114333  Ehrharta erecta Mitch Provance 1998-7-23 922 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  RSA575831  Eleocharis acicularis var. acicularis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, western edge of the Gavilan Plateau at the head of Dawson Canyon. 585 Comment
  CLARK-A1656-829  Eleocharis geniculata Jon Mark Stewart 1982-11-13 82-014 Riverside Indio Hills 198 Comment
  RSA770879  Eleocharis geniculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4602 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CLARK-A1528-15  Eleocharis montevidensis C. M. Flanagan 1973-6-13 OO 709 Riverside Morongo Indian Reservation 1127 Comment
  UCR132717  Eleocharis montevidensis A. C. Sanders, O. F. Clarke 1991-6-10 11126 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR207560  Eleusine indica O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  SEINET3929485  Elymus condensatus R. L. Piemeisel 1914-2-17 3812 Riverside Mt. Rubidoux.; 0 Comment
  UCR154389  Elymus condensatus A. C. Sanders, Mike Misenhelter 2005-6-15 30984 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA701650  Elymus elymoides subsp. elymoides Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UCR122532  Elymus elymoides subsp. elymoides George K. Helmkamp, E. A. Helmkamp 2001-5-20 6680 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  SD181764  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes 640 Comment
  UC729843  Elymus glaucus Carl B. Wolf 1932-8-5 3942 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  UCR75542  Elymus triticoides A. C. Sanders 1993-5-12 14015 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  RSA525223  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4601 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR116927  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR135993  Emmenanthe penduliflora Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR178001  Emmenanthe penduliflora S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR41358  Emmenanthe penduliflora N. M. Fellows 1985-3-16 107 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UC1929885  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside SAN BERNANDINO MOUNTAINS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. (Whitewater) Comment
  UC456075  Encelia actoni I. J. Condit 1910-6-24 Riverside road to Strawberry valley; San Jacinto River Canyon Comment
  CAS-BOT-BC131323  Encelia farinosa Javier Penalosa 1963-4-11 2806 Riverside Pines to Palms hwy. (#74) above Palm Desert 762 Comment
  RSA593975  Encelia farinosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0960 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA709903  Encelia farinosa Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4606 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1923762  Encelia farinosa John L. Strother 2008-3-10 1368 Riverside ca. 18 km (11 mi) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  RSA0045152  Encelia farinosa Andrew Haimov, April Sleigh 1992-5-10 84 Riverside East side of Davis Road, 3 miles south of Allessandro Road, bordering San Jacinto Wildlife Area. Comment
  POM7902  Encelia farinosa var. phenicodonta P. A. Munz, R. D. Harwood 1920-4-2 3568 Riverside Colorado Desert, near Blythe. 152 Comment
  RSA792915  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  SEINET4560237  Encelia frutescens J. Andre 2012-1 21367 Riverside Palen Valley; along Palen Pass Rd (dirt) 1.2 mi. east of Hwy 177 184 Comment
  CHSC99338  Ephedra aspera LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 a Riverside Colorado Desert; Chocolate-Chuckwalla Mountains Region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 37' 32'N, 115 19' 35'W: UTM 3721895N, 655238E Elevation 1574 feet to 33 36' 52'N, 115 19' 54'W: UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottom and slopes. 514 Comment
  RSA383860  Ephedra aspera N. R. Zabriskie 1969-1-4 176 Riverside Andreas Canyon near Palm Springs. 365 Comment
  SEINET3197212 Image available Ephedra aspera G. Rink 2011-4-4 10425 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  JOTR29438  Ephedra californica La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1372 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  JOTR33745  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2743 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  OBI7492  Ephedra californica H. E. McMinn 1937-3-5 4474 Riverside 5 I E of Banning Comment
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Feb 14 2013
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  SJSU126  Ephedra californica C. D. Duncan 1933-3-24 Riverside Palm Springs Comment
  UC1929705  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  RSA0019796  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -B Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  POM179210  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside Sand dunes southeast of Iron Mts. Comment
  RSA660215  Ephedra viridis L. C. Wheeler 1955-6-16 7159 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  SEINET3220674 Image available Ephedra viridis P. Leary 1975-4-12 1049 Riverside 3/4 mile N of Sheep Pass, Joshua Tree National Monument. 1402 Comment
  OBI11871  Epilobium canum Carl B. Wolf 1940-10-31 9759 Riverside Colorado Desert. Cottonwood Springs 290 Comment
  POM158194  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1928-9-6 11277 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UC20067  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-7-3 2377 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1584 Comment
  RSA612920  Equisetum arvense L. C. Wheeler 1931-10-4 214 Riverside San Jacinto Mts. Strawberry valley 1554 Comment
  RSA740620  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA520081  Equisetum laevigatum Steve Boyd, Dave Bramlet 1988-10-8 2871 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR156276  Eragrostis T. B. Salvato, Kent Beaman 2005-5-16 852 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
  UCR23990  Eragrostis mexicana subsp. virescens John C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  UCR113858  Eragrostis pectinacea var. miserrima Mitch Provance 2000-6-24 2039 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  POM14908  Eremalche exilis Mary F. Spencer 1922-3-25 180 Riverside Mecca. -49 Comment
  UC68598  Eremalche exilis H. M. Hall Apr. 1905 5928 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCR26781  Eremalche exilis A. C. Sanders 1982-3-30 2442 Riverside Sonoran (Colorado) Desert, Palm Desert, Monterey Avenue, c. 0.1 mi. south of Country Club Drive, opposite Sagewood Drive. 122 Comment
  RSA695438  Eremalche rotundifolia Scott D. White, Michael Honer 2003-5-14 9289 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC724382  Eremalche rotundifolia Aven and Ruth Nelson 1939-3-29 3317 Riverside s. of Mecca (Hidden Springs Canyon) Comment
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Jul 14 2012
  UCR102741  Eremalche rotundifolia B. G. Pitzer 1998-2-1 3439 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA421558  Eremocarpus setiger M. M. Thompson 1947-6-9 C- 2065 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  JOTR35345  Eremothera refracta Harding, Mitzi, Mark Wheeler 2012-2-28 112 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  UC52825  Eriastrum densifolium subsp. austromontanum Mr. Chas. Van Deventer July 1901 Riverside El Toro Mt.; w base 1371 Comment
  UC1787319  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek 487 Comment
  UCR189573  Eriastrum densifolium subsp. sanctorum Josh Koepke 2005-7-26 045 Riverside Santa Ana River, within Santa Ana River bed nearest the western edge, 0.1 miles north of Hwy 60 overpass 247 Comment
  JOTR34313  Eriastrum eremicum subsp. eremicum Andre, Jim 2012-4-11 20811 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  SD258993  Eriastrum eremicum subsp. eremicum Sarah J. De Groot 2005-5-16 4967 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through bajada of Little San Bernardino Mountains. 495 Comment
  UCD118275  Eriastrum eremicum subsp. eremicum A. C. Sanders 1988-5-11 7810 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
  RSA0120072  Eriastrum eremicum subsp. eremicum P. A. Munz, R. D. Harwood 1920-4-4 3526 Riverside Pass south of Palm Springs. 152 Comment
  RSA0120076  Eriastrum eremicum subsp. eremicum Albert J. Perkins 1916-4-15 s.n. Riverside Palm Springs. Comment
  RSA0120086  Eriastrum eremicum subsp. eremicum P. A. Munz 1937-5-29 15148 Riverside Palms to Pines Highway, Deep Canyon, Santa Rosa Mountains. 1067 Comment
  UCR18321  Eriastrum filifolium Frank C. Vasek 1979-6-25 790625- 01 Riverside about 2 mi east of Sage on Chaffey Ranch Comment
  UCR174123  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32617 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
  CAS-BOT-BC515005  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1931-6-5 6656 Riverside San Gorgonio Pass at Cabazon Comment
  UCSB14840  Eriastrum sapphirinum subsp. sapphirinum Breedlove, Dennis 1961-5-6 Riverside 7 miles S of Banning, Hwy 234, San Jacinto Mountains 1158 Comment
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Jun 2 2013
  RSA0122977  Eriastrum sapphirinum subsp. sapphirinum C. B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  SEINET3858674 Image available Eriastrum sparsiflorum Leila M. Shultz, John S. Shultz 1985-4-16 8256 Riverside Chuckawalla Valley, east of Chuckwalla Mountains 122 Comment
  SBBG8361  Ericameria brachylepis H. and M. Dearing 1940-11-10 5013 Riverside Whitewater Comment
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Jan 10 2018
  JEPS19170  Ericameria cuneata var. spathulata W. L. Jepson 1928-4-25 12582 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 914 Comment
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Oct 9 2010
  JEPS19256  Ericameria cuneata var. spathulata W. L. Jepson 1914-5-17 5985 Riverside between Twenty-seven Palms and Indio (near Pleasant Valley); Cottonwood Mts. Comment
  UCR91727  Ericameria linearifolia A. C. Sanders, J. Goetzen 1996-5-1 18130 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  POM359410  Ericameria linearifolia Anstruther Davidson 1927-6-1 s.n. Riverside Riverside County Comment
  POM183885  Ericameria pinifolia P. A. Munz 1932-10-16 12841 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  RSA192006  Erigeron foliosus E. W. Lathrop 1966-5-15 6302 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA751929  Erigeron foliosus Scott D. White, Justin M. Wood 2009-5-21 12837 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR174063  Erigeron foliosus A. C. Sanders 2006-5-19 32440 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  CLARK-A1528-2970  Eriodictyon crassifolium John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  RSA0034877  Eriodictyon crassifolium Norman C. Cooper 1944-5-20 1309 Riverside Palms to Pines Highway. San Jacinto Mountains. 1280 Comment
  UCR235079  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-1 40234 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, SE of I-15 junction with Horsethief Cyn. Rd., 7 miles N of Lake Elsinore 381 Comment
  UCR110967  Eriodictyon trichocalyx George K. Helmkamp 1998-6-27 4098 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR241241  Eriodictyon trichocalyx Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 501 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  JOTR32456  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2603 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  SEINET6328739  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  UC1395196  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside 4.4 mi nnw, along California Highway 243 Idyllwild (8.9 mi n of the junction with Highway 74, and 1 mi s of Alandale Ranger Station); San Jacinto Mountains Comment
  UCR251985  Eriogonum apiculatum A. C. Sanders, T. B. Salvato 2014-7-2 41168 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  CAS-BOT-BC242783  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  CAS-BOT-BC242799  Eriogonum davidsonii H. M. Hall 1901-7-1 2624 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1584 Comment
  RSA792161  Eriogonum davidsonii A. C. Sanders, Mitch Provance 2008-7-11 35750 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1450 Comment
  SD241143  Eriogonum davidsonii A. C. Sanders 2008-7-25 35919 Riverside Peninsular Range: San Jacinto Mountains: east side of May Valley, NE of Bonita Vista Road at foot of hills (Idyllwild 7.5'Q) Comment
  UC6302  Eriogonum davidsonii H. M. Hall Aug. 1897 860 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  UCR203962  Eriogonum davidsonii Michael Wall 2008-10-6 495 Riverside Perris-Aguanga Basin, San Jacinto Valley, Bautista Road southeast of Hemet, Bautista Creek c. 6.0 mi southeast of Fairview Ave. 778 Comment
  UCR129152  Eriogonum deflexum Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  CAS-BOT-BC256130  Eriogonum deflexum var. deflexum Howard Scott Gentry 1936-11-1 2968 Riverside West side of Colorado Desert 152 Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  JEPS35768  Eriogonum deflexum var. deflexum W. L. Jepson 1927-4-12 11679 Riverside Mecca Hills, Painted Canyon 76 Comment
  RSA393285  Eriogonum deflexum var. deflexum S. B. Parish 1912-10-11 8290 Riverside Caleb, Salton Basin. -61 Comment
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Sep 4 2011
  SBBG61997  Eriogonum deserticola R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  CLARK-A1528-736  Eriogonum fasciculatum I. Rauch 1968-3-6 Riverside Riverside Comment
  CLARK-A1528-738  Eriogonum fasciculatum C. M. Flanagan 1973-5-31 OO 629 Riverside Morongo Indian Reservation 0 Comment
  UCR89541  Eriogonum fasciculatum Bern Schwenn 1994-4-30 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument: E side of Hexie Mountains along Ruby Lee Well Rd. between paved Pinto Basin Rd. and divide 823 Comment
  UCR140742  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2004-5-11 27851 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR178204  Eriogonum fasciculatum subsp. polifolium Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 642 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  POM115625  Eriogonum fasciculatum var. flavoviride Louise Kellogg, Annie M. Alexander 1941-5-15 2190 Riverside North base of Eagle Mountains. 1159 Comment
  CHSC89852  Eriogonum fasciculatum var. foliolosum L. P. Janeway 2004-5-8 8078 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  RSA614407  Eriogonum fasciculatum var. foliolosum D. L. Banks 1997-3-16 1540 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  CAS-BOT-BC250135  Eriogonum fasciculatum var. polifolium A. C. Sanders; Mark Elvin; Vipul Joshi 2002-4-26 25034 Riverside The Badlands: west fork of Laborde Canyon near old rocket test facility 622 Comment
  POM123083  Eriogonum fasciculatum var. polifolium Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM49850  Eriogonum fasciculatum var. polifolium P. A. Munz, I. M. Johnston 1924-7-29 8881 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA561115  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7320 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR10197  Eriogonum fasciculatum var. polifolium N. R. Zabriskie 1969-4-27 204 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon near Palm Springs 366 Comment
  CAS-BOT-BC253487  Eriogonum gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon, sandy benches in canyon bottom at the confluence with Bluewataer Canyon, Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest 304 Comment
  UC1563140  Eriogonum gracile Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3660 Riverside Temecula Creek canyon below dam; Vail Lake area, Temecula Creek canyon; Coordinates: T8 R1W NW1/4 NW1/4 sec.10, NE1/4 NE1/4 sec.9 457 Comment
  UC6567  Eriogonum gracile A. J. McClatchie 1890-1 47 Riverside near Elsinore Comment
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Jul 8 2009
  POM10480  Eriogonum gracile var. gracile Charlotte M. Wilder 1904-7-6 376 Riverside Wilder's Canon. Jurupa Hills. Comment
  SD137666  Eriogonum gracile var. gracile Darin L. Banks, Victor Steinman 1995-7-10 754 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage N of the peak Agua 3280 Comment
  RSA0100140  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8558 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC1601637  Eriogonum gracillimum Jenkins and Street 1917-5-30 1970 Riverside San Jacinto Comment
  UC849226  Eriogonum maculatum I. W. Clokey 1935-4-17 6582 Riverside Cottonwood Springs Comment
  UC1395200  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-10 2870 Riverside 1.1 mi se, along California Highway 243 Alandale Ranger Station (4.3 mi nnw of Idyllwild; 8.8 mi n of the junction with Highway 74); San Jacinto Mountains Comment
  UCR106334  Eriogonum nudum var. pauciflorum John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  JOTR16820  Eriogonum pusillum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR30958  Eriogonum pusillum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1933 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA770788  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4528 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG1606  Eriogonum pusillum H. and M. Dearing 1942-3-7 4813 Riverside Cathedral City Comment
  CAS-BOT-BC253019  Eriogonum reniforme John H. Thomas 1957-3-30 6575 Riverside About 3 miles southeast of White Tank near the road to Cholla Cactus Garden about 20 miles northeast of Indio, Joshua Tree National Monument 883 Comment
  CLARK-A1528-749  Eriogonum thomasii Charlotte Stocks 1966-6-15 Riverside Coachella Valley Comment
  JEPS56267  Eriogonum thomasii W. L. Jepson 1928-4-23 12546 Riverside Shaver's Well Colorado Desert, Shaver's Well 152 Comment
  JOTR35200  Eriogonum thomasii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3256 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  RSA176944  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles SW of junct. with routes 60-70. At the base of S facing bluffs in Box Canyon. Comment
  RSA496745  Eriogonum thomasii A. C. Sanders 1988-5-11 7811 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  RSA777533  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 907 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  RSA796827  Eriogonum thomasii Jim Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  UC1930209  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11213 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Comment
  UCR72382  Eriogonum thomasii Theo Glenn 1991-5-7 91- 86 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  UCR75076  Eriogonum thomasii A. C. Sanders, E. J. Lawlor 1992-4-4 12120 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC1922711  Eriogonum thomasii Michael Honer with L. Hulse 2004-4-4 1934 Riverside Colorado Desert; Little San Bernardino Mountains region: SW base of Cottonwood Mtns., near MWD aqueduct, appx. 0.75 mi. N of I-10. E edge of Pinkham Wash. Comment
  POM10478  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmont Park. Comment
  RSA525239  Eriogonum thurberi Steve Boyd, Tim S. Ross 1990-5-11 4616 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SBBG121989  Eriogonum thurberi S. D. White with J. H. Jones 2005-5-24 11100 Riverside Banning Pass area; Cabazon, San Gorgonio River wash and adjacent alluvial flats and benches to west 573 Comment
  SBBG28174  Eriogonum vimineum S. G. Stokes 1933-7-1 106 Riverside near Idyllwilld Comment
  CAS-BOT-BC261778  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside North base of Santa Rosa Mts., road Indio to Vandeventer Flat 609 Comment
  CAS-BOT-BC261780  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2mi. north of main highway, northwestern corner of Coachella Valley Comment
  CAS-BOT-BC261783  Eriogonum wrightii var. nodosum Frank W. Peirson 1922-12-27 3333 Riverside Andreas, between Forks, East slope San Jacinto Comment
  SD229231  Eriogonum wrightii var. nodosum Dick Schwenkmeyer 2012-11-6 868 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  CAS-BOT-BC297356  Eriophyllum confertiflorum E. W. Lathrop 1960-5-6 4802 Riverside 10 miles W of Murrieta Comment
  RSA689561  Eriophyllum confertiflorum Scott D. White, Michael Honer 2003-4-25 9110 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR174616  Eriophyllum confertiflorum Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 341 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  JEPS5378  Eriophyllum wallacei W. L. Jepson 1927-4-11 11621 Riverside near Palm Springs RR station; Whitewater Bridge Comment
  SD185134  Eriophyllum wallacei T. B. Salvato, Kent Beaman 2005-5-16 764 Riverside San Jiaconto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA. Highway 74. 548 Comment
  UCR98698  Erodium botrys 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
  UCSB69523  Erodium botrys White, Scott 2005-3-29 Riverside San Gorgonio Pass: Cabazon; Alluvial fan and benches west of San Gorgonio river and south of 1-10 Freeway; West of existing gravel quarry; likely to be proposed for quarry expansion 598 Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR26956  Erodium cicutarium E. W. Lathrop 1966-5-8 6485 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  RSA678224  Erodium texanum Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1093 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  SD129534  Erythranthe guttata Miles Fellows 1985-10-3 163 Riverside Oasis de Los Osos Preserve of the Nature Conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mountains near stream Comment
  UCR239863  Escallonia O. F. Clarke 2004-10-4 s.n. Riverside La Sierra area of Riverside, Kaiser Park Sierra Hospital, Magnolia Ave. at Park Sierra Dr. 220 Comment
  JOTR30806  Eschscholzia La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1748 Riverside Joshua Tree National Park. Stop # 4 =Northwest end of Eagle mountains, near road leading to Cottonwood Canyon. 910 Comment
  UCD96488  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 255 Riverside California. Riverside County: Joshua Tree National Park. 862 Comment
  RSA0022931  Eschscholzia androuxii F. W. Peirson 1926-2-22 s.n. Riverside Thousand Palm canyon, near Indio. Comment
  SDSU832  Eschscholzia californica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  SEINET3094862 Image available Eschscholzia minutiflora Norman C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  UCR88121  Eschscholzia minutiflora A. C. Sanders, G. Nuhn 1995-4-20 16598 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA0023221  Eschscholzia papastillii Barry A. Prigge 1988-2-21 7841 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  UCD102061  Eschscholzia papastillii Shannon M. Still 2009-4-19 546 A Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 724 Comment
  UCD96470  Eschscholzia papastillii Shannon M. Still 2009-2-21 435 -A Riverside California. Riverside County. 168 Comment
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Sep 2 2017
  CAS-BOT-BC419649  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside Colorado Desert. 5 miles south of Cottonwood Spring, Eagle Mountains Comment
  RSA445442  Eschscholzia parishii E. C. Jaeger 1922-3-27 708 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  SBBG2341  Eschscholzia parishii H. and M. Dearing 1937-4-10 415 Riverside NW of Indio Comment
  UC1202952  Eschscholzia parishii Peter H. Raven 1958-1-25 11478 Riverside Box Canyon Comment
  UCR148439  Eschscholzia parishii S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCSB8552  Eschscholzia parishii Walker, Clifford 1954-4-10 Riverside Mouth of White Water Canyon Comment
  CHSC98094  Eucalyptus A. C. Sanders 1988-5-29 7878 B Riverside University of California, Riverside. Botanic Garden. Australian Section, gred cell P-5 (near O-4). 366 Comment
  RSA0010855  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve: SW of Crown Valley in upper Rawson Canyon area 595 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
  SEINET272340  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19900 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR241636  Eucrypta chrysanthemifolia T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 350 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR259204  Eucrypta chrysanthemifolia Mitch Provance 2012-3-30 312- 03 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  UCR3345  Eucrypta chrysanthemifolia var. chrysanthemifolia T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on S fork of road 762 Comment
  GMDRC9813  Eucrypta micrantha J. M. Andre 2017-3-1 38039 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  JEPS22524  Eucrypta micrantha Rimo Bacigalupi with Paul Hutchison 1958-2-19 6186 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts); Big Maria Mts. 167 Comment
  POM13894  Eucrypta micrantha P. A. Munz, D. D. Keck 1920-4-9 4830 Riverside S base of Eagle Mtns. 213 Comment
  UCR51984  Eucrypta micrantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2175 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SBBG55788  Eulobus californicus D. Keil, M. McLeod 1977-3-26 12008 -1 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  CDA16951  Euonymus occidentalis var. parishii G. F. Hrusa 1993-6-25 11242 Riverside Rancho Cuyamaca State Park; along Fuller Mill Creek. Approx. 1/4 mi. upstream from bridge crossing of Hwy 243. Comment
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Feb 2 2013
  CLARK-A1528-436  Euphorbia albomarginata Charlotte Stocks 1964-8-19 Riverside Rancho Mirage Comment
  UCD142522  Euphorbia albomarginata K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR199620  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SEINET3106568  Euphorbia eriantha Sears 1977-10-12 S- 562 Riverside Corn Springs Rd. in Corn Springs wash, 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  UCR244425  Euphorbia eriantha Jim Andre 2012-4-16 20920 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  SEINET4691939  Euphorbia micromera Duncan S. Bell 2012-1 4175 Riverside Rice Valley; east side of the Arica Mountians; approx 6 air miles southeast of the ghost town of Rice and Approx. 5.5 air miles east of Priests Well 202 Comment
  RSA339680  Euphorbia misera R. F. Thorne 1980-5-25 54154 Riverside S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon. ca. 1/4-1/2 mile E of Whitewater Post office; S-facing end of rocky ridge above old rad, due N o hwy to Indio. Comment
  UCR128427  Euphorbia nutans A. C. Sanders 2003-10-17 27353 Riverside San Bernardino Valley Region, Riverside, 3rd St. west of Chicago Ave. 287 Comment
  UCR49371  Euphorbia ocellata Theo Glenn 1986-4-5 s.n. Riverside Western Colorado Desert, Coachella Valley, Willow Hole, between Thousand Palms and Desert Hot Springs 213 Comment
  RSA696840  Euphorbia polycarpa Mary Edmunds 1932-3-24 s.n. Riverside Oasis. [Coachella Valley? County not specified] Comment
  SEINET2055683 Image available Euphorbia polycarpa Helen Kennedy, T. B. Salvato 2002-2-2 5448 Riverside Western Colorado Desert: Coachella Valley, Aqua Caliente Inidian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2. Along roadside 10 m from large water tank on construction road. 195 Comment
  UCR213504  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37810 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCD142790  Euphorbia serpillifolia Louis C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer's Grove. Comment
  UCR178313  Euphorbia serpillifolia T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 613 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR193879  Euphorbia serpillifolia A. C. Sanders, Mitch Provance 2008-7-11 35770 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR252231  Euphorbia serpillifolia Marissa Manahan 2011-5-13 s.n. Riverside Riverside, Andulka Park, Tequesquite Arroyo at Chicago Ave. 277 Comment
  RSA392122  Eustoma exaltatum Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UC56492  Eustoma exaltatum F. Gilman 1902-1 23 Riverside Palm Springs Comment
  CAS-BOT-BC171040  Fagonia laevis Martha Hilend 1932-3-25 s.n. Riverside Chuckawalla mts., about 3 miles above Corn Springs, So. Calif. Comment
  CAS-BOT-BC177595  Fagonia laevis Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4620 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  IRVC28829  Fagonia laevis Mark A. Elvin 2005-4-26 4230 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  RSA123084  Fagonia laevis H. S. Yates 1936-4-7 5445 Riverside 8 mi. N of Mecca. 457 Comment
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Dec 15 2011
  RSA681032  Fagonia laevis Scott D. White, Michael Honer 2003-5-14 9262 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG29416  Fagonia laevis D. Myrick 1968-3-4 1810 Riverside Palms to Pines Hwy out of Palm Desert Comment
  UCR104001  Fagonia pachyacantha George K. Helmkamp 1998-4-4 3158 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA645543  Fatoua villosa A. C. Sanders, S. Morgan 1995-11-30 17927 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  UCR228926  Festuca microstachys A. C. Sanders 2011-4-6 39023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between freeway and SCE substation, SE of Glen Ivy Hot Springs 329 Comment
  SBBG119938  Ficus carica A. C. Sanders with O. F. Clarke 1991-6-10 11119 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  RSA500099  Filago arizonica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA524432  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4048 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  POM47488  Filago californica Mary F. Spencer 1920-3-28 1630 Riverside In desert sand near Palm Springs Comment
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Aug 27 2011
  UCR37452  Filago californica Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA475292  Filago depressa Steve Boyd, Sara Meury, R. Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2108 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  NY43039  Forestiera pubescens J. B. Walker 1995-4-4 1310 Riverside San Bernardino National Forest, Santa Rosa Mtn truck trail, 4km S of Hwy 74 1600 Comment
  UCR4149  Fouquieria splendens Ronald M. Cope 1965-4-8 s.n. Riverside Sonoran (Colorado) Desert, between Desert Center and Indio, c. 25 mi. west of Desert Center, north side of road [vicinity of Cottonwood Springs Rd.] 30 Comment
  RSA750122  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 175 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  UC1122141  Fouquieria splendens subsp. splendens H. S. Yates 1936-4-7 5449 Riverside 8 mi n Mecca; Thermal Quad. 457 Comment
  RSA80819  Frankenia grandifolia F. W. Peirson 1924-6-21 4761 Riverside Alkaline flat near Lake Elsinore near south end 375 Comment
  RSA17494  Frasera parryi Percy C. Everett 1936-8-28 8234 Riverside Santa Ana Mts, north end of La Cienega 732 Comment
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Dec 16 2011
  UCR164889  Frasera parryi T. B. Salvato, John F. Green 2004-5-27 628 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
  UC219212  Fraxinus dipetala P. A. Munz and I. M. Johnston 1922-5-5 5149 Riverside near Beaumont (Head of Jack Rabbit Trail); Southern California, Jack Rabbit Trail 731 Comment
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Mar 21 2011
  CAS-BOT-BC130239  Fritillaria biflora Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of 'Big' Oak Mtn 822 Comment
  RSA0042920  Funastrum hirtellum Duncan S. Bell, Evan Meyer 2014-4-2 6495 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA737323  Gaillardia pulchella Justin M. Wood 2008-9-22 156 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC223035  Galium angustifolium A. C. Sanders 1995-4-13 16483 Riverside San Bernardino Mtns./Colorado Desert: Devil's Garden, E end of the mtns., 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. 800 Comment
  CLARK-A1528-3945  Galium angustifolium Charles S. Papp 1964-6-6 507 Riverside Cleveland National Forest 853 Comment
  JEPS56034  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-18 4135 Riverside on Route R1 s Idyllwild; Keenwild Station Comment
  JEPS56084  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4127 Riverside road from Banning to Idyllwild 2 mi n road to Twin Pines Ranch 304 Comment
  RSA180485  Galium angustifolium subsp. angustifolium E. W. Lathrop 1960-6-9 4983 Riverside 14 miles west of Murrieta. Comment
  RSA339348  Galium angustifolium subsp. angustifolium Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54076 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UC888700  Galium angustifolium subsp. angustifolium C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp Fuller's Mill; Mt. San Jacinto Comment
  UCR96250  Galium angustifolium subsp. gracillimum Scott D. White 1996-8-1 4407 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA633329  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38091 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  JOTR35471  Galium multiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 74 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  UCR92044  Galium nuttallii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3346 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
  RSA489829  Galium parishii D. Charlton 1988-5-28 2123 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  RSA66724  Galium stellatum F. W. Peirson 1919-4-12 1191 Riverside Along the Tahquitz Creek stream near Palm Springs Comment
  RSA0107899  Galium stellatum subsp. eremicum Duncan S. Bell, Thomas Stoughton 2010-3-19 572 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  JOTR31769  Galium stellatum var. eremicum Andre, Jim, Tasha La Doux 2009-3-10 11235 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA776012  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 616 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  POM261678  Garrya flavescens var. pallida W. Pequegnat 1940-12-14 s.n. Riverside Main Divide Truck Trail, near Pleasant Pk. Santa Ana Mts. 1067 Comment
  SD60361  Garrya veatchii Peter H. Raven 1958-5-18 12970 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains. Comment
  UC1212187  Garrya veatchii H. E. and S. T. Parks 1938-2-15 24087 Riverside Highway 3 mi n of Idlewild Junction (San Jacinto Mountains); San Jacinto Mountains 1219 Comment
  POM48902  Gayophytum diffusum subsp. parviflorum P. A. Munz 1924-7-27 8850 Riverside 7 miles SE of Poppet Flat. San Jacinto Mountains. 1524 Comment
  UCR92793  Gazania longiscapa Scott D. White 1994-3-29 1932 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CAS-BOT-BC303574  Geraea canescens L. R. Abrams 1926-3-26 11086 Riverside Indian Wells to Indio Comment
  POM358663  Geraea canescens F. R. Fosberg 1932-3-13 8088 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA781908  Geraea canescens Duncan S. Bell 2010-5-1 900 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UC909785  Geraea canescens Norman C. Cooper 1949-3-15 3027 Riverside Palm Springs Palm Springs (roadside) 121 Comment
  UCD132593  Geraea canescens R. W. Scora 1966-4-1 3003 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  UCR166007  Geraea canescens Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR214898  Geraea canescens A. C. Sanders 2010-3-23 37529 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  RSA652943  Geranium carolinianum Mitch Provance 1998-4-25 1126 Riverside Jurupa Mountains: City of Fontana, Jurupa Hills Regional Park, E to SW traversing canyon just S of Martin Tudor Park, and along the W edge of Sierra Blvd. 366 Comment
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Oct 5 2016
  UCR177324  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR139140  Gilia John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA0047255  Gilia angelensis J. Mark Porter, Leigh A. Johnson 1997-3-10 11462 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  SEINET1908463  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-1 34424 Riverside San Bernardino Valley Region: Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. L. King (ex Pennsylvania) Ave. 296 Comment
  UC1563106  Gilia angelensis Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3155 Riverside in hills just to sw dam (Vail Lake area); Vail Lake area 487 Comment
  UC880101  Gilia angelensis K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  UCR114822  Gilia angelensis Mitch Provance, Seychelle Provance 1998-2-21 90 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR116976  Gilia angelensis A. C. Sanders, T. B. Salvato 2001-5-3 24087 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR59665  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2927 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR98059  Gilia angelensis A. C. Sanders 1997-3-1 19711 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR20820  Gilia australis A. C. Sanders, Steve Boyd 1980-5-2 1414 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 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
  RSA192344  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1966-5-9 6274 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  POM13097  Gilia diegensis P. A. Munz, I. M. Johnston 1922-5-20 5484 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  SEINET14643485  Gilia diegensis H. M. Hall 1902-1 2913 Riverside Vicinity of Winchester. 457 Comment
  CAS-BOT-BC407609  Gilia ochroleuca subsp. exilis E. A. McGregor 1941-6-12 14 Riverside Idyllwile, San Jacinto Mountains Comment
  CAS-BOT-BC407621  Gilia ochroleuca subsp. exilis Frank W. Peirson 1919-4-15 921 Riverside Whitewater Grade above Cabazon Comment
  RSA0017095  Gilia ochroleuca subsp. exilis Scott D. White 1991-5-13 91 -114 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA0017265  Gilia ochroleuca subsp. exilis T. B. Salvato 2004-5-27 587 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
  SBBG101681  Gilia ochroleuca subsp. exilis S. Boyd 1986-4-19 1703 Riverside E side of Indian Wash between Interstate 15 and Temescal Cyn Rd; Temescal Cyn Comment
  SEINET7040152  Gilia ochroleuca subsp. exilis 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
  JEPS2614 Image available Gilia stellata L. M. Newlon 1922-4-3 433 Riverside Andreas Canyon San Jacinto Mts.; Andreas Canyon, San Jacinto Mts. Comment
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Apr 7 2011
  RSA49190  Gilia stellata P. A. Munz 1949-4-13 13043 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SBBG81689  Gilia stellata S. A. Junak 1983-3-23 1643 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  UCR21161  Gnaphalium californicum 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
  UCR225728  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2011-3-30 38899 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA276714  Gnaphalium luteoalbum John F. Emmel 1978-5-14 604 Riverside Vacant lot, in Southeast Hemet, near intersection of Stanford Street and Sttson Street. 518 Comment
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Jun 25 2013
  UCR160843  Gnaphalium luteoalbum T. B. Salvato, Kelly Volansky 2003-3-27 119 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR169466  Gnaphalium luteoalbum John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UC485697  Gnaphalium palustre Katharine Brandegee 1906-1 Riverside near Riverside; Wilders Ranch Comment
  UC56732  Guillenia lasiophylla H. M. Hall Apr 1902 2967 Riverside vicinity Riverside 457 Comment
  UCD132630  Gutierrezia californica Lewis S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 miles west of Palm Springs. 670 Comment
  UC1214003  Gutierrezia sarothrae Otto T. Solbrig 1958-3-21 2516 Riverside road from Idylwide 28 mi w Palm Desert Comment
  UCR260529  Gutierrezia sarothrae T. B. Salvato 2014-5-29 8041 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR264083  Gutierrezia sarothrae T. B. Salvato, Arlee Montalvo 2015-8-22 8232 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  CLARK-A1528-1891  Haplopappus linearifolius John C. Roos 1952-4-2 5466 Riverside Box Springs Canyon 426 Comment
  CAS-BOT-BC231097  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Between Indian Truck Trail and Horsethief Wash 365 Comment
  UCR104617  Harpagonella palmeri D. E. Bramlet 1993-3-30 2301 Riverside Siegal Ranch Road approximately 120 m south of Cajalco Road and 1 km east of the intersection of Cajalco Rd. and Sierra Ave., 180 m west of Siegal Ranch Road 427 Comment
  UCR22069  Harpagonella palmeri Steve Boyd 1980-4-27 142 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UC480841  Helenium bigelovii A. W. Anthony 1895-7-13 Riverside San Jacinto Mt. 243 Comment
  UCSC001464  Helianthus annuus Peter Kamb 1948-2-1 772 Riverside Valley in the Jurupa Mts. west of Colton Jurupa Mts., Colton - San Bernardino 305 Comment
  UCR193545  Helianthus californicus A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35663 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 1555 Comment
  POM360037  Helianthus gracilentus Christopher Davidson 1975-6-16 2802 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  RSA741261  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR133327  Helianthus gracilentus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  SD145987  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca.1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 456 Comment
  RSA801728  Hemizonella minima LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6182 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA653072  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR91991  Hemizonia fasciculata Michael A. Patten 1993-4-28 s.n. Riverside Winchester (near): roadside ditch at corner of Stowe and California 447 Comment
  RSA553902  Hemizonia kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside San Timoteo Canyon Rd., 0.8 mi E of jct with Redlands Blvd. Comment
  RSA716064  Hemizonia mohavensis Scott D. White, Justin M. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills: Gibbel Flat in the Santa Rosa Hills 610 Comment
  UCR82813  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mtns., N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing 854 Comment
  RSA683227  Hemizonia paniculata Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA683228  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR267879  Hemizonia paniculata D. E. Bramlet 2005-4-19 3820 A Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  RSA0008433  Hemizonia pungens subsp. laevis R. C. Bacigalupi, G. T. Robbins 1954-5-16 4466 Riverside Valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formerly Ginsberg) Hot Springs. 433 Comment
  RSA450756  Hemizonia pungens subsp. laevis J. C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  UCR104204  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 B Riverside Perris Basin, Winchester area, roadside of Simpson Ave. <1 mi. west of intersection with Winchester Rd. 445 Comment
  UCR126977  Hemizonia pungens subsp. laevis A. C. Sanders, T. B. Salvato 2003-5-9 26584 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR225211  Herniaria hirsuta subsp. cinerea T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5164 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  RSA180452  Hesperevax acaulis E. W. Lathrop 1965-5-9 5739 -b Riverside 6 miles W of Murrieta. Comment
  RSA124445  Hesperocallis undulata Percy C. Everett, E. K. Balls 1958-4-29 23027 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  SBBG25149  Hesperocallis undulata Leota Davidson 1966-4-3 235 Riverside ca. 3 mi off Interstate 10 on Wyley Wells Rd, ca. 31 mi E of Desert Center, Chuckawalla Mts Comment
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Jul 1 2016
  UCR56699  Hesperolinon micranthum Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW slope of Mesa de Burro 579 Comment
  SD136868  Heterocodon rariflorum Steve Boyd, Tim Ross & Dave Bramlet 1993-5-13 7380 B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Wildhorse Canyon. 409 Comment
  UCR263464  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35587 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, above mapped spring 1524 Comment
  UCR90358  Heterocodon rariflorum D. L. Banks, Steve Boyd 1995-5-30 0480 Riverside Peninsular Range; Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, along the Dripping Springs Trail; at first saddle area in section 34, NNE of two peaks of Agua Tibia Mtn. 1134 Comment
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Apr 28 2009
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  UCR23812  Heterotheca subaxillaris John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Jackson St., Indio Comment
  UCR128306  Heuchera Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8637 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
  RSA0100142  Heuchera hirsutissima Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8584 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 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
  UC489217  Heuchera hirsutissima C. V. Meyer 1928-7-27 551 Riverside San Jacinto Peak 3291 Comment
  RSA695437  Hibiscus denudatus Scott D. White, Michael Honer 2003-5-14 9291 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG104702  Hibiscus denudatus T. Glenn 1991-5-2 91 -22 Riverside McCoy Mtns NW of Blythe 350 Comment
  POM12871  Hieracium horridum P. A. Munz 1922-7-6 6023 Riverside Zigzag on trail from Tahquitz to Hidden Lake; San Jacinto Mts, 2378 Comment
  UCR84841  Hilaria rigida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16205 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
  RSA0135568  Hilaria rigida G. Rink 2013-3-20 11900 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CAS-BOT-BC207511  Hoffmannseggia glauca Aven Nelson; Ruth Nelson 1939-3-30 3344 Riverside Hiway 70, between Mecca and Blythe Comment
  CAS-BOT-BC207567  Hoffmannseggia microphylla M. E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC540725  Hoffmannseggia microphylla Sarah J. De Groot; Duncan S. Bell; Cheryl Sevilla 2015-2-10 7359 Riverside Bear Creek drainage, East Fork; E side of Santa Rose Mountains, S of La Quinta, W of Lake Cahuilla 195 Comment
  SD258922  Hoffmannseggia microphylla Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road; Side canyon forking N from Little Box Canyon, E of Box Canyon;; E side of Mecca Hills, E-NE of Mecca 281 Comment
  SD49373  Hoffmannseggia microphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca & Shaver's Well, in gravelly soil Comment
  UCR126978  Hordeum depressum A. C. Sanders, T. B. Salvato 2003-5-9 26582 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR234426  Hordeum murinum Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  SDSU9063  Horkelia bolanderi F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  POM48124  Horkelia clevelandii Mary F. Spencer 1919-6-19 1202 Riverside Idyllwild. 1646 Comment
  SBBG119362  Horkelia clevelandii O. Mistretta, M. Elvin 1995-6-19 1772 Riverside San Jacinto Mtns 1463 Comment
  RSA695584  Hulsea brevifolia Keith E. Hoffmaster 1937-6-6 782 Riverside San Jacinto Mountains. Comment
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2
  RSA502893  Hulsea heterochroma Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  UCR34974  Hulsea heterochroma L. B. Ziegler 1972-6-5 477 Riverside San Jacinto Mtns., Along road above Poppet Flats 1143 Comment
  SD51949  Hulsea vestita subsp. callicarpha Reid Moran 1962-7-7 9870 Riverside Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains 1550 Comment
  SDSU1684  Hulsea vestita subsp. callicarpha D. F. Howe 1941-6-8 1281 Riverside San Jacinto Mts. 1524 Comment
  SEINET5325105 Image available Hulsea vestita subsp. callicarpha D. H. Wilken 1969-6-30 7844 Riverside Riverside County Road R1, near Black Mtn. Junction, 8.6 mi N of Idyllwild, San Jacinto Mtns 1524 Comment
  UCR92447  Hydrocotyle ranunculoides A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18113 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  POM361069  Hymenoclea salsola N. C. Cooper 1949-4-8 3311 Riverside Desert Center. 609 Comment
  RSA1229  Hymenoclea salsola B. D. Stark 1930-4-1 775 Riverside Devils garden. Comment
  UCR114306  Hypochaeris glabra Julie A. Greene 1993-4-30 1264 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  CDA40745  Hyptis emoryi T. C. Fuller 1963-4-23 10285 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA171143  Hyptis emoryi Robert F. Thorne 1963-3-29 32429 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA420174  Hyptis emoryi M. B. Dunkle 1932-3-25 2907 Riverside Palm Springs. 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
  UC987821  Hyptis emoryi Reid Moran 1941-5-5 854 Riverside Eagle Mountains Cottonwood Pass; , Cottonwood Pass Comment
  POM4691  Isocoma menziesii var. vernonioides I. M. Johnston 1918-5-30 s.n. Riverside Lake Elsinore. 366 Comment
  UCR260540  Isocoma menziesii var. vernonioides T. B. Salvato 2014-5-29 8051 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  CAS-BOT-BC69870  Isoetes orcuttii Robert F. Thorne 1974-5-23 44672 Riverside Santa Rosa Plateau, Rancho California: n. edge of large vernal marsh, Mesa de Colorado. 624 Comment
  CSUSB720  Isomeris arborea Daniel Sall 1970-4-25 Riverside Palm Springs, about 150 yards from start of trail in Tahquitz Canyon wash 304 Comment
  UCR101578  Isomeris arborea Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  UCR49988  Jepsonia parryi S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  SD229195  Juglans californica Dick Schwenkmeyer 2012-10-16 854 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UC2015650  Juglans californica Scott D. White 1995-3-30 2683 Riverside San Jacinto Valley. Moreno Valley; base of Badlands slopes, N of Highland Bl. and W of Theodore St. Comment
  SD243034  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. Near edge of stream, c. 100m below lake. 238 Comment
  UCR216053  Juglans hindsii R. E. Riefner Jr. 2009-8-15 09- 174 Riverside Temecula, Temecula Canyon, Santa Margarita River, c. 1.5 mi. west 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
  SBBG57379  Juncus R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  UCR237513  Juncus acutus subsp. leopoldii Amber Swanson, Duncan S. Bell 2011-3-11 214 Riverside Mojave Desert, Coachella Valley Preserve, Willis Trail, Willis Palm Oasis near spring off Thousand Palms Road 104 Comment
  RSA741055  Juncus arcticus var. mexicanus Scott D. White, Justin M. Wood 2008-6-5 12062 Riverside Quinn Flat Meadow. 1372 Comment
  UCR132718  Juncus balticus A. C. Sanders, O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR177507  Juncus bryoides S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  RSA0119964  Juncus bufonius Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9075 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA180435  Juncus mexicanus E. W. Lathrop 1960-6-8 4822 Riverside 14 miles west of Murrieta Comment
  RSA559965  Juncus tiehmii Steve Boyd, Timothy S. Ross 1992-4-28 7079 Riverside Santa Ana Mountains, Elsinore Peak area, old Main Divide roadbed about 0.25 mile due south of peak. 1021 Comment
  RSA368376  Juncus torreyi S. B. Parish 1913-9-20 8619 Riverside Mecca, Salton Sink. 58 Comment
  SEINET10879492  Juncus xiphioides J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12833 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  SEINET3220925 Image available Juncus xiphioides B. Pitzer 1986-5-24 236 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. 732 Comment
  UCR121893  Juncus xiphioides Ian G. Gillespie 2001-5-7 83 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  RSA278297  Juniperus californica John F. Emmel 1976-3-17 542 Riverside Canyon 0.8 air mile N. of peak 4353, NE slope of Granite Mts. WSW of Rice, south-eastern Mojave Desert 976 Comment
  CAS-BOT-BC234577  Justicia californica David Dreyer 1967-3-18 s.n. Riverside Unspecified 152 Comment
  CAS-BOT-BC234594  Justicia californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9557 Riverside 1 mile below Cottonwood Springs Comment
  POM11223  Justicia californica E. A. McGregor 1917-3-18 731 Riverside 6 mi., Painted Canyon. Comment
  POM305376  Keckiella antirrhinoides Henry J. Ramsey, Henry J. Ramsey 1938-5-4 642 Riverside Elsinore Comment
  RSA424815  Keckiella antirrhinoides E. Crow 1929-3-17 189 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA660491  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  SFV3426  Keckiella antirrhinoides D. Whisler 1959-5-10 Riverside San Jacinto Mountains North scarp. 610 Comment
  RSA0018941  Keckiella antirrhinoides subsp. antirrhinoides Christopher Davidson 1975-6-16 2804 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  UCR138896  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1997-4-5 1658 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
  CHSC1856  Keckiella cordifolia E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  CLARK-A1528-855  Keckiella cordifolia C. M. Flanagan 1973-6-13 OO 715 Riverside Morongo Indian Reservation 914 Comment
  RSA293262  Keckiella ternata subsp. ternata D. C. Michener 1980-7-18 3711 Riverside Old Banning rd. 2.7 mi. north west of jct with Poppet Flat rd. 1100 Comment
  UCR201642  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR2484  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mtns., Banning Road west of Idyllwild 1677 Comment
  UCSB37889  Krameria bicolor Roos, John 1965-6-23 Riverside Colorado Desert, Lost Palms Canyon in the Eagle Mtns. Comment
  RSA776573  Krameria erecta Amber Swanson 2011-4-8 368 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR120968  Krameria grayi Jennie Phui 1998-6-3 105 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  RSA696130  Lactuca serriola A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24604 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  UC87469  Laennecia coulteri T. S. Brandegee 1901-3-28 Riverside Indian Wells Colorado Desert, Indian Wells Comment
  UCR26506  Lagophylla ramosissima subsp. ramosissima A. C. Sanders, S. Hagopian 1981-5-20 2147 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  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
  POM10522  Lamarckia aurea C. F. Baker 1909-04 s.n. Riverside Riverside. Comment
  RSA0106755  Langloisia setosissima subsp. punctata Duncan S. Bell, Amanda Turek 2009-3-29 146 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  JEPS69822  Langloisia setosissima subsp. setosissima W. L. Jepson 1927-4-12 11659 Riverside Mecca Hills, Painted Canyon 76 Comment
  RSA776334  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2010-4-10 821 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA390013  Larrea tridentata N. C. Cooper 1944-4-8 1048 Riverside Andreas Canyon. 305 Comment
  UC1334680  Larrea tridentata Nancy Ryan Zabriskie 1969-4-1 174 Riverside Andreas Canyon near Palm Springs; Andreas Canyon 365 Comment
  UCR227438  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-3-30 110 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, 4 mi from Ramon Road on Thousand Palms Canyon Road 381 Comment
  RSA610612  Lastarriaea coriacea R. S. Woglum 1938-5-1 1605 B Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  RSA563928  Lasthenia californica M. A. Patten 1993-3-20 s.n. Riverside SW edge of Hemet, vernal pools at the NW corner of Warren Rd. and Stetson Rd., adjacent to Ryan Field. 457 Comment
  POM361560  Lasthenia coronaria Ora M. Clark 1929-2-24 1518 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  UC1746505  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains; S extension of ''Rattlesnake Mt.'', <100 m W of peak 1739. Comment
  UCR140443  Lasthenia coronaria A. C. Sanders 2004-4-9 27453 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  IRVC26814  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  UCR100154  Lathyrus vestitus Scott D. White 1994-4-23 2033 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UCR263733  Lathyrus vestitus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5000 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  SD8724  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  UC917891  Lathyrus vestitus var. alefeldii Frank W. Gould 1944-4-4 2211 Riverside 9 mi se Temecula (on Highway 71) Comment
  UCR116928  Layia platyglossa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24215 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR121796  Layia platyglossa A. C. Sanders, Carolyn Washburn 2001-4-17 24036 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR12202  Layia platyglossa S. W. Berthel 1971-5-27 s.n. Riverside Box Springs Mtns, Just above 'C' Comment
  UCR142912  Layia platyglossa Mary V. Hood 1945-3-25 s.n. Riverside Peninsular Range, Aguanga, Cottonwood Creek 610 Comment
  UCR241409  Layia platyglossa T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7443 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR250572  Layia platyglossa A. C. Sanders 2014-4-18 41035 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  RSA262086  Layia platyglossa subsp. campestris E. W. Lathrop 1968-6-2 6951 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA563927  Layia platyglossa subsp. platyglossa M. A. Patten 1993-3-20 s.n. Riverside SW edge of Hemet, vernal pools at the NW corner of Warren Rd. and Stetson Rd., adjacent to Ryan Field. 457 Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  UC218246  Lemna gibba P. A. Munz and I. M. Johnston 1922-5-19 5437 Riverside 1 mi from Garner Ranch (San Jacinto Mountains, Hemet Valley); San Jacinto Mountains, Hemet Valley 1386 Comment
  UC205107  Lepidium dictyotum D. Cleveland 1882-5-3 Riverside Temecula Plain Comment
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Nov 9 2009
  UCR281275  Lepidium lasiocarpum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 15 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCD80950  Lepidium lasiocarpum subsp. lasiocarpum Chuck Hughes 2009-3-23 65 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR251914  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2013-3-27 24836 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA777768  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 977 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UC10638  Lepidium lasiocarpum var. lasiocarpum W. G. Wright 1889-1 1756 Riverside Colorado Desert Comment
  UCR63882  Lepidium latifolium Marlene Braun 1989-4-30 18 Riverside Santa Ana River Valley, Hidden Valley Wildlife Refuge, Arlington Ave., 1 mi from Arlington Ave & California St. intersection in Norco 195 Comment
  UC10656  Lepidium nitidum W. H. Brewer Jan 1861 152 Riverside Temescal Mountains Comment
  UCR127325  Lepidium nitidum A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UC1536949  Lepidium virginicum var. robinsonii Gordon H. True Jr. 1935-3-11 66 Riverside Box Springs Sycamore Canyon 426 Comment
  JEPS30687  Lepidospartum squamatum Peter H. Raven 1961-10-8 16841 Riverside Whitewater Wash along Snow Creek Road, near State Highway 111 350 Comment
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Jun 9 2012
  JOTR29437  Lepidospartum squamatum La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1371 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  OBI48834  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside 3 mi SE of Palm Springs Station, Whitewater wash 274 Comment
  RSA314464  Lepidospartum squamatum R. F. Thorne 1982-10-8 55352 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA650945  Lepidospartum squamatum Marion P. Harthill 1971-3-19 37 a Riverside Palm Desert. Comment
  SFV17213  Lepidospartum squamatum J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  CLARK-A1528-5128  Lepidospartum squamatum var. palmeri John C. Roos 1965-10-12 Riverside Whitewater Comment
  CDA29073  Leptochloa uninervia Mike Lahti 2008-12-12 PDR# 1509355 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. 0 Comment
  UC1924330  Leptochloa uninervia P. M. Peterson with D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River(Wash), just N of Cedar and Mountain, NE end of Hemet. Comment
  UC1123902  Leptodactylon californicum R. St. John 1929-3-12 13 Riverside Potrero Creek; Elsinore Quad., Potrero Creek Comment
  POM13671  Leptosiphon floribundus P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  RSA192029  Leptosiphon floribundus E. W. Lathrop 1959-4-2 4428 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
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Apr 28 2011
  POM364624  Leptosiphon lemmonii T. W. Minthorn 1926-05 s.n. Riverside Near Banning. Comment
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Nov 13 2016
  POM74296  Leptosiphon lemmonii T. S. Brandegee 1902-5-19 10399 Riverside Banning. Comment
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Nov 21 2016
  SD227874  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation, side canyon E of Middle Branch Millard Canyon (Cabazon 7.5' Q) 1280 Comment
  UCR22016  Lessingia filaginifolia Steve Boyd 1980-9-16 352 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  SD146007  Lessingia glandulifera A. C. Sanders, S. D. Boyd and Mitch Provance 1999-9-14 23072 Riverside San Bernardino Valley; Colton Dunes, dune remnant on Slover Ave. between Pepper Ave. and the tank farm, ca. 1.0 mile due west of Slover Mt. 320 Comment
  UCR269221  Lessingia glandulifera T. B. Salvato, Arlee Montalvo 2015-8-22 8234 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  RSA748056  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR115344  Ligustrum lucidum A. C. Sanders 2000-12-16 23728 Riverside San Bernardino Valley, City of Riverside; UCR campus, along Big Springs Rd. just east of Campus Dr. 323 Comment
  CAS-BOT-BC45841  Limnanthes gracilis var. parishii A. C. Sanders; Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista R. and east of Herkey Creek 1550 Comment
  RSA655086  Limonium perezii Scott D. White 1999-11-12 7633 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  JOTR31046  Linanthus aureus subsp. aureus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2029 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  CLARK-A1045-63  Linanthus dianthiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  SEINET7073398  Linanthus dianthiflorus 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
  UCR213673  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  UCR86881  Linanthus dianthiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16241 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
  POM364587  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-3-16 H.- 6998 Riverside South of Cabazon. Comment
  POM364588  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-6 1944 Riverside South of Hemet Comment
  RSA487446  Linanthus dianthiflorus subsp. dianthiflorus Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA543171  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, Mike Hammitt, T. S. Ross 1991-5-2 6081 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
  POM13247  Linanthus dianthiflorus subsp. farinosus P. A. Munz, I. M. Johnston 1922-5-19 5361 Riverside 5 miles NE of Murietta. 457 Comment
  UCR214286  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37487 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  JEPS58471  Linanthus liniflorus Carl V. Meyer 1929-6-18 765 Riverside Hemet Valley; lower part Comment
  RSA741064  Linanthus liniflorus Scott D. White, Justin M. Wood 2008-6-5 12071 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC52447  Linanthus parviflorus H. M. Hall Mar 1898 Riverside Temescal Comment
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Nov 26 2011
  UCR57229  Linanthus pygmaeus Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  RSA741082  Linaria pinifolia Justin M. Wood 2008-11-17 229 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM10221  Lobelia cardinalis subsp. graminea Anonymous 1903-8-23 436 Riverside Spring Brook west of Elliotta. [City of Riverside] Comment
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Jan 5 2015
  JEPS78512  Lobelia cardinalis var. pseudosplendens Marjorie D. Clary 1932-8-7 1683 Riverside Colorado Desert, San Jacinto Mountains, Snow Creek Comment
  UCR167852  Loeflingia squarrosa T. B. Salvato, Melissa Clemons 2005-6-2 1339 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UC809714  Loeseliastrum schottii E. K. Balls 1949-4-4 12963 Riverside between Durmid and Salton (on Hwy. 111); Colorado Desert Comment
  CAS-BOT-BC342108  Logfia arizonica S. B. Parish 1907-4-17 6084 Riverside Palm Springs, Western edge of the Colorado Desert 60 Comment
  UCR58851  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3207 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  SEINET12800906  Logfia depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-1 16129 Riverside Sonoran Desert: mouth of Sand Gorgonio Pass, along Whitewater River wash btw. Windy Point & I-10, Coachella Valley; T3S, R3E, S11, S/2; T3S, R3E, SS/2 13, 14, N/2 24; 11S NH-3E, 5N. Alt: 329-396 m 397 Comment
  CAS-BOT-BC342260  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside Vicinity of Riverside 365 Comment
  JEPS20926  Logfia filaginoides W. L. Jepson 1935-4-19 17074 Riverside San Gorgonio Pass Comment
  UCR54311  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SEINET10893749  Lolium rigidum Walter Graves 2002-5-15 Graves 502 -26 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields Riverside East 7.5' Q. 305 Comment
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  RSA336410  Lomatium mohavense subsp. longilobum R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  SD120074  Lomatium utriculatum Louis B. Ziegler 1969-5-18 345 Riverside San Jacinto Mountains, Hemet Valley near Pine Meadows, bottom of valley floor 1435 Comment
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA0035627  Lotus John F. Emmel 1986-5-7 1002 Riverside San Jacinto Mts.; junction Bee Canyon Road and San Jacinto Ridge Road. 792 Comment
  RSA526167  Lotus argophyllus var. argophyllus Steve Boyd, T. S. Ross 1990-5-11 4670 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA644113  Lotus argophyllus var. argophyllus Scott D. White 1995-3-30 2655 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
  RSA770293  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4578 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1784125  Lotus hamatus Milo S. Baker Apr 3-4 1928 2804 c Riverside Tahquitz Canon near Palm Springs, California Comment
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Aug 18 2010
  UCR100025  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 20000 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR250200  Lotus humistratus A. C. Sanders 2014-4-23 41045 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
  CDA12285  Lotus nevadensis G. F. Hrusa 1993-6-24 11238 Riverside Mt. San Jacinto State Park; Marion Mt. campground, Mt. San Jacinto State Park. Comment
  RSA6031  Lotus nevadensis var. nevadensis C. B. Wolf 1932-8-4 3916 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  UC56575  Lotus salsuginosus var. brevivexillus H. M. Hall 1902-4-12 2848 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  RSA406911  Lotus scoparius M. B. Dunkle 1933-5-6 3384 Riverside Dry Morongo Creek. Comment
  UCR260845  Lotus scoparius subsp. brevialatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41508 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  RSA586121  Lotus scoparius var. brevialatus D. L. Banks, S. D. Boyd 1995-4-5 0161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
  CLARK-A1528-1165  Lotus strigosus Cameron Duncan 1966-3-27 Riverside Riverside 914 Comment
  RSA0021298  Lotus strigosus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4660 B Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  UCR1136  Lotus strigosus Frank C. Vasek 1958-4-26 580426- 30 Riverside Peninsular Range, U.S. Hwy 395, 3.9 mi south of junction with State Hwy 74 [Menifee Valley, near Newport Rd.] 434 Comment
  UCR155039  Lotus strigosus A. C. Sanders, Kelly Volansky 2005-3-17 29221 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR251673  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  RSA498730  Lotus wrangelianus Mark Morris, Richard C. Barkelew 1929-3-3 13717 Riverside Perris, Riverside Comment
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Nov 9 2011
  RSA680556  Lotus wrangelianus Scott D. White, Michael Honer 2003-4-30 9135 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCSC000931  Lotus wrangelianus Peter Kamb 1947-5-17 515 Riverside San Jacinto Mts., Hall Canyon 1646 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
  RSA654057  Lupinus arizonicus R. Spellenberg, N. Zucker 2000-3-28 13048 Riverside E side of Thermal, ca. 1 km E of Calif. Hwy. 111, ca. 5 air km NW of Mecca 30 Comment
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Feb 3 2011
  RSA692204  Lupinus arizonicus Scott D. White, Michael Honer 2003-5-14 9285 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA613859  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  RSA87098  Lupinus bicolor F. W. Peirson 1921-3-19 91 Riverside 2 miles east of Banning on road to Indio, Riverside Comment
  UC1183611  Lupinus bicolor Dave Dunn 1941-3-30 989 Riverside 3 mi e Banning; e of Banning Comment
  UCR116793  Lupinus bicolor A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24153 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR126385  Lupinus bicolor A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 695 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR4176  Lupinus bicolor R. H. Sauer 1965-4-3 s.n. Riverside Peninsular Range, Riverside, south side of Big Springs Road, c. 500 feet from the east end of the street; west foot of Box Springs Mtns. 396 Comment
  HSC84137  Lupinus densiflorus Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtn., 1 mi. up Bee Canyon off Hwy. 74 457 Comment
  RSA507949  Lupinus excubitus var. austromontanus Steve D. Boyd 1988-5-28 2268 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR106012  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  RSA171372  Lupinus formosus J. D. Olmsted 1962-5-3 3541 Riverside Along road from Santa Rosa Indian Reservation to Old village, West of Santa Rosa Peak 1494 Comment
  RSA413643  Lupinus formosus var. formosus N. C. Cooper 1945-5-5 2225 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA89958  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-7-1 18350 Riverside 6.6 miles SE of San Bernardino National Forest Boundary on road from Idyllwild to Banning, San Jacinto Mts. 1829 Comment
  UCR79236  Lupinus longifolius Steve Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  UCR137096  Lupinus microcarpus var. densiflorus June Latting 1958-4-13 s.n. Riverside San Gorgonio Pass, White Water 415 Comment
  RSA3983  Lupinus shockleyi Carl B. Wolf 1932-4-29 3121 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  SEINET7907968  Lupinus shockleyi D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  CSUSB1450  Lupinus sparsiflorus Dick Bernier 1966-4-11 Riverside 1.8 miles past Canyon Crest Golf Club in a ditch of the road 274 Comment
  JOTR34001  Lupinus sparsiflorus La Doux, Tasha, M. Harding 2010-4-7 2889 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR133960  Lupinus sparsiflorus Mitch Provance, J. S. Ross 1998-3-27 MOR- 980 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  RSA670571  Lupinus sparsiflorus subsp. sparsiflorus B. C. Templeton 1930-4-9 1081 Riverside Moreno Grade 610 Comment
  UCR91447  Lupinus succulentus Scott D. White 1995-3-30 2658 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
  RSA524455  Lupinus truncatus Steve D. Boyd 1990-4-3 4091 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
  CAS-BOT-BC231413  Lycium andersonii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2178 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  POM183693  Lycium andersonii Philip A. Munz 1931-3-13 11969 Riverside 5 mi. S. W. of Blythe. Comment
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Dec 3 2011
  RSA774990  Lycium andersonii Duncan S. Bell 2011-4-7 2171 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  SEINET3005044  Lycium andersonii G. Rink 2011-4-25 10480 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  UC303697  Lycium andersonii I. M. Johnston 1918-5-30 2028 Riverside w of High School (Elsinore); Elsinore 365 Comment
  SD225120  Lycium brevipes A. C. Sanders 1997-3-1 19723 Riverside Box Springs Mountains: Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 422 Comment
  RSA2056  Lycium torreyi Carl B. Wolf 1931-3-13 1880 Riverside Colorado Desert, between Ripley and Blythe, 152 Comment
  UCR180050  Lythrum californicum Mitch Provance 2005-5-18 9804 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  CLARK-A1528-2000  Machaeranthera cognata John C. Roos 1949-4-6 4138 Riverside Orocopia Mountains Comment
  RSA0112047  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2009-10-9 497 Riverside Southwest section of the Arica Mountains. 410 Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR193911  Madia gracilis A. C. Sanders, Mitch Provance 2008-7-11 35809 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UC284860  Malacothamnus densiflorus P. A. Munz 1923-6-14 7099 Riverside trail to Santiago Peak Glen Ivy; Santa Ana Mtns 914 Comment
  UCR252648  Malacothamnus densiflorus T. B. Salvato, Matthew Malle 2013-4-5 7512 Riverside Perris-Aguanga Basin, Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle 604 Comment
  CAS-BOT-BC206262  Malacothamnus fasciculatus A. M. White 1974-6-5 74 -671 Riverside Indian Road ca. 15 mi. W of Sun City 1219 Comment
  POM202489  Malacothamnus fasciculatus Marcus E. Jones 1934-5-10 s.n. Riverside Elsinore Comment
  UCR104173  Malacothamnus fasciculatus Scott D. White 1997-5-25 5249 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  RSA282907  Malacothrix clevelandii C. W. Tilforth, John Dourley 1980-7-15 2013 Riverside Along Thomas Mtn. Rd. south of Hemet, west of Hiway 74. 1662 Comment
  UC1595631  Malacothrix clevelandii Steve Boyd and Dave Bramlet 1991-5-13 6246 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Comment
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Feb 13 2006
  UC218096  Malacothrix clevelandii P. A. Munz and I. M. Johnston 1922-5-19 5347 Riverside 5 mi ne Murietta 457 Comment
  UCR72183  Malacothrix coulteri Theo Glenn 1992-3-31 92 10 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  CAS-BOT-BC347690  Malacothrix glabrata L. R. Abrams 1926-3-27 11126 Riverside Near Whitewater Comment
  CAS-BOT-BC347693  Malacothrix glabrata H. M. Hall 1905-5-1 6028 Riverside Colorado Desert. Near Pinto Mts. Comment
  CLARK-A1656-698  Malacothrix glabrata Theo Glenn 1979-3-9 Riverside Palm Springs Comment
  SEINET2053710 Image available Malacothrix glabrata Glen W. Forister 1967-3-23 Riverside Whitewater Cyn., on west-facing slope by the Whitewater Trout Farm. 609 Comment
  UC1563069  Malacothrix glabrata Steve Boyd and Orlando Mistretta 1986-3-13 1433 Riverside ne of Desert Center (jtn of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges); Palen Mountains 243 Comment
  UC63260  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  UC990705  Malacothrix glabrata Roxana S. Ferris and R. Bacigalupi 1953-4-20 12633 Riverside between crossing of Eagle Mt. Iron Mine R.R. and Shaver Summit (s of hayfields, U.S. Highways 60 and 70) Comment
  UCR182522  Malvella leprosa Mitch Provance 2005-5-17 6561 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UC403439  Mammillaria dioica L. J. Childs Jan. 1925 Riverside Deep Creek Colorado Desert (mouth) Comment
  OBI20387  Marah macrocarpa David J. Keil 1979-3-18 12976 Riverside About 1/2 mi W of jctn with Riverside county rd R-3 along Calif 79 549 Comment
  UCR74372  Marina parryi Theo Glenn 1991-5-2 91- 26 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA660642  Marrubium vulgare Lydia Paneri 1982-4-17 6 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA753475  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  SEINET2053698 Image available Matricaria matricarioides Penny Stead 1970-5-5 Riverside Roadside near Fawcett Lab, University of California, Riverside 274 Comment
  RSA667003  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR102814  Medicago polymorpha A. C. Sanders 1997-3-19 20057 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR102885  Medicago polymorpha A. C. Sanders 1997-3-26 20136 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  SEINET238471 Image available Melica frutescens A. C. Sanders, Mitch Provance; T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  SD107747  Melica imperfecta E. W. Lathrop 1964-5-10 5375 Riverside 10 miles west of Murrieta Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR107766  Mentha D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  POM3010  Mentzelia affinis I. M. Johnston, P. A. Munz 1918-4-27 2163 Riverside Near Corona. 274 Comment
  RSA523549  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4009 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA543892  Mentzelia affinis Steve Boyd 1991-5-13 6257 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  SD215572  Mentzelia affinis Steve Boyd, Dave Bramlet 1991-5-13 6257 Riverside Domenigoni Hills, north side of Domenigoni Diamond Valleys, eastsoutheast of Winchester. 1800 Comment
  RSA698073  Mentzelia involucrata J. R. Bruff 1928-4-2 93 Riverside Whitewater. Comment
  UCR4133  Mentzelia involucrata Ronald M. Cope 1965-3-20 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Small canyon on W side of Whitewater Canyon Road c. 2 mi. from trout hatchery. 549 Comment
  UCR48410  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavilan Plateau, Gavilan Hills: Santa Rosa Road just west of Piedras Road Comment
  RSA402616  Mesembryanthemum crystallinum Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Mecca. Comment
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Jun 5 2011
  CAS-BOT-BC435294  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
  RSA714427  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
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Jul 8 2009
  UCR67371  Microseris douglasii subsp. platycarpha Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4108 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  CLARK-A1045-155  Microseris elegans George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  SEINET273066  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd.side 1550 Comment
  UCR133406  Microseris lindleyi Tracy Tennant, J. S. Ross 1998-5-7 MOR- 112 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR174173  Microseris lindleyi A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32524 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
  SD51957  Mimetanthe pilosa Reid Moran 1962-7-7 9859 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR84594  Mimulus Scott D. White, S. Ogg 1994-4-21 1961 Riverside San Bernardino Mtns., Millard Canyon, near jct of E and W forks of USFS Road 2S05, c. 2.5 mi south of Bear Wallow Spring. 976 Comment
  POM8468  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  RSA271860  Mimulus aurantiacus var. pubescens C. W. Tilforth 1978-4-30 1566 Riverside Low rounded hills east of Norco. Comment
  RSA0030783  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-6-16 1428 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA510031  Mimulus aurantiacus var. puniceus B. Pitzer, E. Misqez 1988-2-28 631 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  JEPS8177  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-4 452 Riverside near Palm Springs; Palm Canyon Comment
  UC1080454  Mimulus bigelovii var. bigelovii P. C. Everett and E. K. Balls 1958-4-29 23017 Riverside 1 mi w Cactus City (U.S. Hwy. 60/70, Indio to Blythe) 548 Comment
  UCR137488  Mimulus brevipes D. L. Banks 1997-3-29 1571 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR162767  Mimulus brevipes S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA388422  Mimulus cardinalis Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61190 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR90353  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-5-17 460 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 659 Comment
  RSA296183  Mimulus floribundus Barry A. Prigge 1980-8-5 3821 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR18484  Mimulus floribundus A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR162768  Mimulus fremontii S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR193372  Mimulus fremontii A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35638 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
  JEPS8218  Mimulus fremontii var. fremontii W. L. Jepson and H. M. Hall 1901-5-19 1293 Riverside San Jacinto Canyon 640 Comment
  SEINET5767803  Mimulus guttatus var. depauperatus Norman C. Cooper 1944-6-17 1415 Riverside San Jacinto Mtns. above Banning. Comment
  UCR187286  Mimulus moschatus Diane Menuz, Carlos Navarro 2006-8-4 211 Riverside Peninsular Range; San Jacinto Mtns, along Willow Creek Trail about 700 m east of Saddle Junction 2439 Comment
  JOTR16849  Mimulus pilosus Moore, Sue 1968-6-19 s.n. Riverside Joshua Tree National Park. BARKER DAM 1280 Comment
  UCR155835  Mimulus pilosus John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  SEINET10570263  Mimulus primuloides David B. Dunn 1946-8-17 Dunn 2690 Riverside Near stream at camp in taquitz valley damp meadow area. San jacinto mtns. Comment
  SEINET186897  Mirabilis bigelovii var. retrorsa P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of boulevard to Indio Comment
  UCR4473  Mirabilis bigelovii var. retrorsa Frank C. Vasek 1960-3-17 600317- 11 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  CLARK-A1528-637  Mirabilis californica Fred B. Essig 1967-5-7 67-5- 7 -6 Riverside Box Springs Mountains Comment
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  UCR133328  Mirabilis laevis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR182994  Mirabilis laevis Mitch Provance 2003-5-5 4419 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  JEPS29310  Mirabilis laevis var. crassifolia Rimo Bacigalupi and L. Heckard 1962-3-25 8405 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from W); 3.3 miles NW of Alberhill along highway 71 304 Comment
  RSA0123999  Mirabilis laevis var. crassifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9251 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  SJSU4253  Mirabilis laevis var. crassifolia G. B. Youngberg 1956-3-29 216 Riverside by Lake Matthews, Arlington c. 8 mi E of Corona Comment
  CAS-BOT-BC434830  Mirabilis laevis var. retrorsa John Thomas Howell 1928-3-11 3416 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  RSA314622  Mirabilis laevis var. retrorsa Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55411 Riverside San Bernardino Mountains; Mouth of Whitewater canyon, east of Whitewater Post Office at south end of ridge, in sandy wash east of bridge, and on base of west-facing slope of ridge. 412 Comment
  RSA49185  Mirabilis laevis var. retrorsa P. A. Munz 1949-4-12 13036 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  UC217923  Mirabilis laevis var. retrorsa P. A. Munz and D. D. Keck 1922-4-14 5008 Riverside E of Whitewater Ranch; Colorado Desert 213 Comment
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Jan 14 2010
  UCR274218  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains, around the mouth of Martinez Canyon, c. 3.5 air miles southwest of Valerie 169 Comment
  UCR114329  Miscanthus sinensis Mitch Provance 1998-9-28 1159 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA80248  Mohavea confertiflora F. W. Peirson 1917-4-1 1102 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  JEPS63419  Monardella australis subsp. australis W. L. Jepson 1903-8-8 2314 Riverside San Jacinto Peak 3139 Comment
  RSA753939  Monardella lanceolata W. Schlegel 2009-6-2 44 Riverside Idyllwild, Red Mountain Fire Lookout Telecom Sites. Comment
  UC2042134  Monardella lanceolata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UCR221489  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 078 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 2.3 miles beyond canyon where stream crosses road 2165 Comment
  SEINET10582423  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 61 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  RSA750281  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-9 87 Riverside San Jacinto Mts. Trail to Suicide Rock, about 3 miles from Fern Valley. Comment
  UC1499800  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 104 Riverside Deer Springs and Suicide Rock trail, one switchback below the forks San Jacinto Mts. Comment
  UC1499950  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 96 Riverside 2 mi beyond Stone Creek (Banning-Idyllwild road) Comment
  UC25483  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-17 691 Riverside e Strawberry Valley; San Jacinto Mts. 1828 Comment
  RSA96049  Monardella robisonii E. K. Balls 1954-8-4 19752 Riverside grown in Botanic Garden. Comment
  POM363575  Monoptilon bellioides E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 70 Comment
  CAS-BOT-BC275299  Muhlenbergia microsperma Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA25135  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR181625  Muhlenbergia microsperma Mitch Provance 2004-5-1 7604 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  RSA192079  Muhlenbergia rigens E. W. Lathrop 1966-5-25 6333 Riverside 5 miles NW of Murrieta. Comment
  UCR116064  Muilla maritima O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR209389  Muilla maritima Fred M. Roberts, Brenda McMillan 1998-3-31 5101 Riverside Paloma Valley, vicinity of Murreta, Ferndale Lane on hill top, 1.4 km southwest of the intersection of Briggs Road and Scott Road 480 Comment
  UCR52587  Muilla maritima Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  UCR92179  Muilla maritima D. L. Banks, Steve Boyd 1995-5-3 269 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
  SD9581  Myriopteris viscida S. B. Parish, W. F. Parish Mar 1881 Riverside Whitewater, desert side of San Bernardino Mountains Comment
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Jan 14 2010
  RSA421102  Nama demissa M. B. Dunkle 1933-3-5 3074 Riverside Palm Springs. Colorado Desert. 152 Comment
  UCR241426  Nama demissa Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 24 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  JEPS1372  Nama demissa var. demissa L. M. Newlon 1922-4-3 447 Riverside Andreas Canyon Mt. San Jacinto, Andreas Canyon (Mt. San Jacinto, Southern California) Comment
  RSA19236  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  UCSB44672  Nama hispida Hibbard, Doug 1977-5-16 Riverside Northwest side of Hwy. 74; 11.8 miles from its intersection with Hwy. 111 1036 Comment
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  UC1537220  Nassella lepida Gordon H. True 1935-3-11 93 Riverside Mockingbird Canyon Comment
  UCD87689  Nassella pulchra Scott D. White; Michael Honer 2004-4-6 10060 Riverside Perris/Elsinore Basins. Temescal Valley, just north of the I-15 freeway and east of Indian Truck Trail, south and est of Lee Lake. 335 Comment
  UCR158882  Navarretia atractyloides Scott D. White 1994-6-14 2070 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA593895  Navarretia fossalis R. E. Riefner 1995-11-29 94 -396 Riverside E side of Davis Rd. San Jacinto Wildlife Sanctuary, 100' N of Old San Jacinto River. Comment
  UCR266257  Navarretia fossalis D. E. Bramlet 2006-5-25 4003 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto River bed, 20 m south of the Nuevo Road bridge 430 Comment
  UCR71845  Nemacladus longiflorus var. breviflorus George K. Helmkamp 1995-4-16 92- 5 Riverside Sonoran (Colorado) Desert, Coachella Valley; Mission Creek, 0.4 mi. south of Indian Avenue on old Hwy 62 500 Comment
  RSA586311  Nemacladus longiflorus var. longiflorus D. L. Banks, S. D. Boyd 1995-5-3 0222 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
  UC64329  Nemacladus longiflorus var. longiflorus H. M. Hall Jun 1897 661 Riverside Onstatt's Valley; San Jacinto Mts. Comment
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Nov 24 2012
  RSA0126449  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail. Idyllwild. San Jacinto Mtns region. 1829 Comment
  JEPS5403  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 A Riverside San Jacinto River Comment
  RSA0121064  Nemacladus ramosissimus Duncan S. Bell, Thomas Stoughton 2016-3-16 8950 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR121208  Nemacladus ramosissimus D. E. Bramlet 1991-5-10 2143 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  UCR281483  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 90 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  SEINET4853073  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mountain, Colorado Desert. 150 Comment
  RSA75150  Nemacladus tenuis var. tenuis H. K. Wagnon 1944-5-20 387 Riverside Tachevah canyon, Palm Springs. Comment
  RSA606291  Nemophila menziesii Jon E. Keeley 1994-4-7 25291 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  UC1537401  Nemophila menziesii Gordon H. True Jr. 1935-2-22 11 Riverside Mockingbird Canyon 457 Comment
  RSA180273  Nemophila menziesii var. integrifolia E. W. Lathrop 1965-4-4 5611 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC1329953  Nicolletia occidentalis James E. Cole 1941-5-31 842 Riverside Lost Horse Mine Road Joshua Tree National Monument 1402 Comment
  UCR113857  Nicotiana acuminata var. multiflora Mitch Provance 2000-6-24 2040 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR180600  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA796828  Nicotiana obtusifolia Jim Andre 2012-4-11 20776 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  SD128719  Nicotiana obtusifolia Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  UCR133689  Nicotiana quadrivalvis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0060148  Nicotiana quadrivalvis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3559 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CLARK-A1045-307  Nicotiana trigonophylla George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  CLARK-A1528-4355  Nicotiana trigonophylla John C. Roos 1966-2-5 Riverside Indio Hills Comment
  LA29048  Nolina parryi Mary V. Hood; 1939-12-30 39- 160 k* Riverside Palms to Pines Highway 1158 Comment
  UC218120  Nolina parryi P. A. Munz 1922-6-30 5920 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UC63870  Nolina parryi H. M. Hall July 1901 2432 Riverside lower end San Jacinto Mts., Tahquitz Val. 1828 Comment
  SD122666  Nolina parryi C. C. Parry 1876-1 Riverside Probably Riverside County. Desert east of San Bernardino, (See cotype at MO for more specific locality information). Photograph of specimen only. Comment
  UC197907  Notholaena californica S. B. and W. F. Parish 1882-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Mar 9 2011
  CLARK-A1528-3542  Notholaena parryi John C. Roos 1948-5-15 3849 Riverside Eagle Mountain Comment
  POM204401  Oenothera biennis F. M. Reed 1934-10-15 s.n. Riverside Chicago Ave. Comment
  UCR23216  Oenothera californica Wendy Smith 1981-5-23 41 Riverside Peninsular Range; San Jacinto Mtns./Santa Rosa Mtns., Garner Valley. Off Hwy 74, at the entrance to Indian Rock Ranch, 28.1 mi south of its jct with Hwy 111 in Palm Desert 1707 Comment
  SEINET7249060  Oenothera deltoides Teresa B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-1 Riverside Comment
  RSA75413  Oenothera deltoides subsp. deltoides F. W. Peirson 1918-03 779 Riverside Irrigated field near Indio. Comment
  RSA771509  Oenothera dentata Keith E. Hoffmaster 1937-6-6 760 Riverside Near Valle Vista, Hemet Valley. Comment
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Jun 24 2020
  RSA600664  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1949-8-24 6752 -b Riverside Riverside. Comment
  UCR103586  Oligomeris linifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2715 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  POM348467  Olneya tesota Robert M. Perkins 1937-3-15 388 Riverside 20 miles east of Desert Center. Comment
  POM348468  Olneya tesota Lester H. Cushman 1932-3-21 15130 Riverside 1 miles East of Mecca Colorado Desert Comment
  UCR103913  Oncosiphon piluliferum B. G. Pitzer 1997-4-11 3121 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
  UCR260579  Oncosiphon piluliferum A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41536 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  UCR261194  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41716 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  SEINET8674695  Opuntia X vaseyi Rosemary Trelease, Nancy Foisy, Joni Ward 2004-4-27 54525 Riverside Originally received into the Desert Botanical Garden living collection as a plant collected by Bruce Parfitt 3503 19 April 1986 with R. Anthony and A. Sanders from California, Riverside County, Pauba Valley, Highway 79 crossing of Temecula River (or Creek), 4.6 miles east of junction with road to Pala in the vicinity of the given coordinates as determined by Google Earth; collector's notes: Spiny and spineless pads on same plant; sage scrub hillside E of creek and S of highway. 1000 Comment
  RSA0097547  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18413 Riverside San Gorgonio River, 2 km SW of Cabazon, 27 km WNW of central Palm Springs, 14 km WSW of the historical site of Whitewater. 513 Comment
  SEINET3071813  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17499 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  UCR178139  Opuntia basilaris Tracy Tennant 1998-4-30 MOR- 069 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  POM306432  Opuntia chlorotica Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  RSA653226  Opuntia microdasys A. C. Sanders, T. B. Salvato 2000-5-30 23438 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Brandley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCSB24788  Opuntia polyacantha var. erinacea Rieser, D. 1966-5-15 Riverside Pinyon Flats Campground on south side of road, 9.0 miles southeast from junction with road to Anza. Comment
  RSA655210  Opuntia vaseyi Scott D. White 1999-5-20 7373 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
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Dec 8 2010
  SBBG122754  Orcuttia californica A. Parikh 1990-5-14 171 Riverside Santa Rosa Plateau Ecological Reserve, NE part of Mesa de Burro, S of Miller Cyn, 3.3 km SSW of Murrieta 593 Comment
  SEINET4080621  Orcuttia californica L. M. Boykin, P. M. Hall 2001-1 Riverside Comment
  JEPS11649  Orobanche cooperi Marjorie D. Clary 1932-3-23 1679 Riverside 8 mi sw of Coachella (Colorado Desert, Santa Rosa Mountains); Colorado Desert, Santa Rosa Mountains 152 Comment
  RSA800867  Orobanche cooperi Jim Andre 2012-3-18 21288 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  UCR168364  Orobanche cooperi G. D. Wallace 1967-4-29 721 Riverside Sonoran (Colorado) Desert, NE of Coxcomb Mtns.; 15 miles NE of Desert Center along Parker Dam Hwy 305 Comment
  UCR60781  Orobanche cooperi Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1326 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  UCR168256  Orobanche fasciculata I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Andreas Canyon 244 Comment
  UCR124636  Oryzopsis hymenoides B. C. Templeton, I. W. Clokey 1930-4-9 1018 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UC1979671  Osmorhiza brachypoda Darin L. Banks, Steve Boyd 1995-3-30 113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  UC1608279  Oxalis corniculata Steve Boyd and Tim Ross 1992-5-5 7258 Riverside along Serrano Springs drainage (Oak Flats, between Lucas Canyon Trail and junction of Bluewater and Verdugo Tails); Southern Santa Ana Mountains, San Mateo Wilderness Area 731 Comment
  POM229449  Oxytheca emarginata P. A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  POM121835  Oxytheca trilobata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC572580  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mi ne Keen Camp; San Jacinto Quad. 1615 Comment
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA192040  Paeonia californica E. W. Lathrop 1959-3-26 4361 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  CAS-BOT-BC327920  Palafoxia arida John H. Thomas 1957-3-30 6528 Riverside 8.1 miles E of Cactus City, about 13 miles E of Coachella. near US Hwys 60 and 70. Colorado Desert. 518 Comment
  UCR167457  Palafoxia arida 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
  SEINET10799060  Palafoxia arida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2887 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  SEINET10941632  Palafoxia arida David B. Dunn, Howard Brown 1947-1-12 Dunn 2840 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  POM248396  Palafoxia arida var. arida Philip Crow 1939-7-18 s.n. Riverside Blythe Comment
  POM301788  Palafoxia arida var. arida J. Cole 1942-06 973 Riverside Ruby Lee Mill Site, Joshua Tree National Monument. 915 Comment
  RSA28074  Palafoxia arida var. arida I. L. Wiggins 1941-3-24 9564 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  RSA0040035  Palafoxia linearis W. Marquart 1938-3-12 s.n. Riverside Wiley's Well. Comment
  RSA0045506  Palafoxia linearis William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  UCR158855  Panicum capillare Scott D. White 1994-6-23 2094 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  CAS-BOT-BC253850  Panicum hirticaule Marcus E. Jones 1929-9-16 24653 Riverside E of Desert Center Comment
  SD204783  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 Riverside North foot of San Jacinto Mountains between Snow Creek Road and Highway 111. 366 Comment
  CAS-BOT-BC422791  Papaver californicum John Roos; Lucille Roos 1952-5-19 5692 Riverside On hills north of Moreno. 518 Comment
  RSA314455  Parietaria hespera var. hespera Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55462 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA405373  Parkinsonia aculeata S. B. Parish 1913-9-23 8624 Riverside Colorado Desert Comment
  RSA0054941  Parosela emoryi Keith E. Hoffmaster 1933-4-14 449 Riverside Palm Springs. Comment
  CLARK-A1528-81  Paspalum dilatatum C. M. Flanagan 1973-6-13 OO 707 Riverside Morongo Indian Reservation 1127 Comment
  RSA69815  Paspalum dilatatum J. C. Roos 1951-9-25 5262 Riverside West end Fairmount Park 259 Comment
  RSA0062770  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-21 7650 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  RSA778525  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 631 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  RSA777767  Pectocarya heterocarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 979 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR134605  Pectocarya heterocarpa Marisa Sripracha, Kyle Boyd 2004-2-14 028 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR167073  Pectocarya linearis Scott D. White 2005-3-29 10847 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  OBI23292  Pectocarya linearis subsp. ferocula Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  RSA519018  Pectocarya linearis subsp. ferocula George K. Helmkamp 1986-4-7 770 Riverside South of Morongo Valley: First canyon east of and parallel to Hwy 62 north of Indian Ave. B.M. land. 579 Comment
  RSA528100  Pectocarya linearis subsp. ferocula Steve Myers 1991-4-15 91 -16 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UCR121207  Pectocarya penicillata D. E. Bramlet 1990-4-27 1993 Riverside Peninsular Range; Perris-Aguanga basin region, ridgeline south of Diamond Valley, NW of Crown Valley, 600 ft. west of access road 665 Comment
  UCR167411  Pectocarya peninsularis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CLARK-A1045-85  Pectocarya platycarpa George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  JOTR33868  Pectocarya platycarpa La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3054 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  SEINET3083986 Image available Pectocarya recurvata P. Leary 1975-2-2 876 Riverside 2.4 miles southeast of White Tank in Wilson's Canyon, Joshua Tree National Monument. Comment
  RSA523493  Pedicularis densiflora Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3953 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  SD234418  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley: Riverside, residence at 1009 Bascomb Drive (Riverside East 7.5' Q) 305 Comment
  UCR118636  Pelargonium grossularioides O. F. Clarke 2001-4-30 s.n. Riverside Riverside, yard of Arlee Montalvo, Picacho Dr. east of UCR campus off Watkins Dr. 366 Comment
  RSA747516  Pellaea andromedifolia Justin M. Wood 2009-3-10 344 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  RSA586088  Pellaea andromedifolia var. andromedifolia Darin L. Banks, Steve Boyd 1995-3-30 116 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  SDSU13607  Pellaea andromedifolia var. andromedifolia W. Miller, C. Mosse Riverside Comment
  RSA686923  Pellaea mucronata T. R. Pray 1960-3-4 1648 Riverside Andreas Canyon Comment
  UCR121652  Pellaea mucronata A. C. Sanders, Kent Beaman 2002-5-10 25048 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  RSA0104671  Pellaea mucronata subsp. californica Duncan S. Bell 2015-9-30 8691 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA97212  Penstemon X parishii R. M. Straw 1953-6-24 480 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  CAS-BOT-BC265283  Penstemon clevelandii subsp. connatus Ivan Johnston 1917-4-4 1043 Riverside Andreas Canyon, Colorado Desert 274 Comment
  UCR16011  Penstemon clevelandii subsp. mohavensis Susan McIver 1962-4-22 73 Riverside Mojave Desert, Joshua Tree National Monument, rocky slopes along highway Calif. '15 1067 Comment
  NY601200  Penstemon clevelandii var. mohavensis A. M. Alexander 1941-5-4 2120 Riverside Barker Dam 1322.8 Comment
  UC1329887  Penstemon eatonii var. undosus James E. Cole 1941-5-29 813 Riverside Stubby Spring Road Joshua Tree National Monument, Stubby Spring Road 1432 Comment
  UC27487  Penstemon grinnellii H. M. Hall 1897-7-28 737 Riverside San Jacinto Mts. Comment
  JEPS8086  Penstemon grinnellii var. grinnellii Carl V. Meyer 1928-7-31 607 Riverside Summit of Tahquitz Peak San Jacinto Mountains, Summit of Tahquitz Peak Comment
  RSA412472B  Penstemon labrosus Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UCSB26814  Penstemon labrosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  SEINET2043265 Image available Penstemon pseudospectabilis Howard Scott Gentry 1957-4-20 7635 Riverside Gentry Farm: 3miles NE of Murrieta. 396 Comment
  RSA0014856  Penstemon rostriflorus Philip A. Munz 1922-7-6 6007 Riverside Trail from Valley to Tahquitz Valley. 2134 Comment
  RSA583741  Penstemon spectabilis var. spectabilis Steve D. Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  UC1329888  Penstemon thurberi James E. Cole 1941-6-14 892 Riverside near junction of Queen Wash and Lost Horse Wash (Joshua Tree National Monument); Joshua Tree National Monument 1219 Comment
  RSA0070733  Pentagramma maxonii Scott D. White 2006-4-27 11294 Riverside Perris Basin/San Jacinto Mtn. Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA687392  Pentagramma triangularis May N. Ackley 1928-4-1 85 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  SEINET10793779  Pentagramma triangularis subsp. triangularis George Yatskievych 1981-4-25 Yatskievych 81 -141 Riverside Ca. 0.6 mile NE of El Carizo, overlooking Lake Elsinore, off State Highway 74. T06S R05W S16 - NE4. 808 Comment
  JEPS34967  Perityle emoryi I. W. Clokey and B. C. Templeton 1930-4-9 4700 Riverside n of Palm Springs; Colorado Desert 170 Comment
  JOTR32852  Perityle emoryi La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1166 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  RSA471861  Perityle emoryi B. C. Templeton, I. W. Clokey 1930-4-9 1082 Riverside North of Palm Springs. Colorado desert 400 Comment
  SD144022  Perityle emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  UC1595790  Perityle emoryi W. Wisura, J. Dolan, and M. Wall 1992-3-24 4640 Riverside 5.6 mi s of I-10 on rd to Corn Spring Comment
  UC565485  Perityle emoryi Margaret Stason 1927-3-12 Riverside Colorado Desert Comment
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Nov 12 2011
  UCD134908  Perityle emoryi Geoffrey Levin 1975-4-5 467 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. Colorado Desert. 60 Comment
  RSA445161  Petalonyx thurberi N. R. Zabriskie, W. M. Zabriskie 1971-10-23 452 Riverside near Andreas Canyon Club gate, S Palm Canyon Drive, palm Canyon Drainage, E slope San Jacinto Mtns 168 Comment
  RSA781907  Petalonyx thurberi Duncan S. Bell 2010-5-1 901 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  SEINET218494  Petalonyx thurberi A. J. Breitung 1953-6-12 15525 Riverside Palm Springs. Comment
  SEINET3094522 Image available Petalonyx thurberi E. R. Blakley 1952-8-17 B- 1556 Riverside Shavers Summit. Comment
  SEINET3094523 Image available Petalonyx thurberi R. Mitchel Beauchamp 1970-11-15 1392 Riverside 10 miles east of Mecca. 90 Comment
  LA49855  Petalonyx thurberi subsp. thurberi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside at foot of Palms to Pines Highway Comment
  CAS-BOT-BC326842  Peucephyllum schottii H. M. Hall; L. A. Greata 1905-4-1 5849 Riverside Near Dos Palms [Dos Palmas], Colorado Desert Comment
  JOTR36012  Peucephyllum schottii Harding, Mitzi, T. Herskovits 2012-3-16 219 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA696807  Peucephyllum schottii J. R. Bruff 1928-4-2 96 Riverside Canyon wash west of Morango Comment
  UCR233172A  Peucephyllum schottii Jim Andre, Glenn L. Clifton 2011-2-22 17439 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  POM18746  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  POM14060  Phacelia campanularia P. A. Munz, D. D. Keck 1922-4-14 5003 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  UCR60240  Phacelia campanularia R. F. Thorne, M. Z. Thorne 1973-3-30 42658 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
  JEPS2212  Phacelia campanularia subsp. campanularia Marjorie Clary March, 1929 18 Riverside Whitewater Canyon Comment
  UCR123753  Phacelia campanularia subsp. campanularia Steven R. Hill 2001-4-29 33529 A Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SDSU18405  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-12 523 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UC64056  Phacelia ciliata var. ciliata H. M. Hall 1897-3-20 394 Riverside Temescal Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  RSA0043230  Phacelia crenulata var. ambigua Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11284 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
  RSA0043232  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-20 302 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC1523544  Phacelia crenulata var. ambigua Robert F. Thorne 1963-3-29 32368 Riverside 5 miles E of Mecca, Mecca Hills Comment
  UCR72170  Phacelia crenulata var. ambigua Theo Glenn 1991-5-7 91- 96 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  CHSC99633  Phacelia distans LeRoy Gross; Leland Lubinsky, Victor Steinman, Linda Worlow 2005-2-17 1419 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of campground. Near 33 37' 32' N, 115 19' 35' W: UTM 3721895N, 655238E Elevation 1574 feet. to 33 36' 52' N, 115 19' 54': UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottoms and slopes. 479 Comment
  RSA741605  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA763659  Phacelia distans Doris Bowers 1972-4-15 1828 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  RSA770840  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4685 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65122 604 Comment
  UC2015576  Phacelia distans A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16090 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  CLARK-A1528-560  Phacelia fremontii Ellen Predmore 1971-5-3 Riverside 457 Comment
  UCSB45414  Phacelia fremontii Kaplan, Lisa 1979-3-4 Riverside Box Canyon Wash @ 1 mile east of Mecca 6 Comment
  UCR8339  Phacelia imbricata subsp. patula B. Freeman 1969-7-25 690625- 34 Riverside San Jacinto Mtn., University of California James Reserve, Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild 1646 Comment
  RSA33574  Phacelia minor N. C. Cooper 1944-5-21 1266 Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA700025  Phacelia minor Scott D. White, Michael Honer 2003-4-25 9100 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UC24494  Phacelia minor H. M. Hall June 1901 2280 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  UCR24948  Phacelia mutabilis A. C. Sanders 1980-8-23 1756 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA0121175  Phacelia pedicellata Duncan S. Bell, LeRoy Gross 2016-3-30 9175 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
  SDSU13608  Phacelia ramosissima var. latifolia W. Miller with C. Mosse 1972-7-11 Riverside On trail southeast of dam by main road. Comment
  UC666584  Phacelia ramosissima var. latifolia Harlan Lewis and Carl Epling 1942-5-2 1600 Riverside near Palm Springs; Andreas Canyon Comment
  UCR1457  Phacelia ramosissima var. suffrutescens R. D. Keys 1973-5-13 s.n. Riverside Box Springs Mtns, 0.5 - 1 mi from end of Box Springs Ridge Road. 915 Comment
  UCR123223  Phacelia stellaris O. F. Clarke, Helga Forster 2000-1 s.n. Riverside San Bernardino Valley region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  SD140218  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the new San Diego Aqueduct and Warren, vernally wet depressions 456 Comment
  UCR266364  Phalaris lemmonii D. E. Bramlet 2005-5-4 3845 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, Winchester, along railroad tracks 454 Comment
  UCR18203  Phalaris minor A. C. Sanders 1978-4-2 880 Riverside Sonoran (Colorado) Desert, Coachella Valley near Indio, intersection of Hwy 111 and Washington St. 30 Comment
  POM13686B  Phlox austromontana E. C. Jaeger 1921-6-23 s.n. Riverside Palms to Pines trail. 1463 Comment
  RSA97670  Phlox austromontana R. M. Straw 1954-6-10 610 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  UCR151223  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside Peninsular Ranges; Perris-Aguanga Basin region, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  RSA459293  Pholistoma membranaceum Ora M. Clark 1929-2-23 1541 Riverside South Cabazon. Comment
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Mar 13 2011
  SD152825  Pholistoma racemosum Steve Boyd, Carol Boyd, Kyle Boyd 1992-3-21 6737 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Tenaja Cyn, along trail from wilderness boundary downstream towards Fisherman's Camp. In shady understory of mesic chaparral. 366 Comment
  CAS-BOT-BC135110  Phoradendron californicum E. A. McGregor 1917-3-17 718 Riverside Sloping alluvial mesa W of Fig Trees, Salton Sink Comment
  HSC86934  Phoradendron californicum Dennis E. Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Rd., Morongo Indian Reservation 610 Comment
  RSA640172  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  SD260308  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 694 Comment
  RSA0034750  Phoradendron californicum Phillip A. Munz, Street, Williams 1919-3-26 2333 Riverside Indio. Comment
  RSA612368  Phoradendron villosum D. L. Banks, Joe Moreno 1997-2-5 1254 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UC1930134  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UCSB41543  Physalis acutifolia Roos, John 1965-9-5 Riverside Blythe Comment
  POM304698  Physalis crassifolia Henry J. Ramsey 1940-5-26 198 Riverside State, Cal. Locality, 10 mi. east of Indio. Comment
  RSA733960  Physalis crassifolia W. Marquart 1938-3-12 s.n. Riverside 20 miles west of Blyth. Comment
  RSA782197  Physalis crassifolia Duncan S. Bell 2011-10-22 2984 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SBBG97167  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  UC397416  Physalis crassifolia P. A. Munz 1921-4-30 4508 Riverside Pinyon Well 1219 Comment
  UC577930  Physalis crassifolia H. S. Yates 1937-3-23 6447 Riverside 1.5 mi ne Mecca; Thermal Quad. 457 Comment
  UCR116605  Physalis crassifolia A. C. Sanders 2001-4-8 23980 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
  UCR89671  Physalis crassifolia George K. Helmkamp 1994-3-10 42- 23 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
  UC175  Pinus contorta subsp. murrayana H. M. Hall 1901-6-1 2321 Riverside near Tahquitz; San Jacinto Mountains 2590 Comment
  RSA0065519  Pinus coulteri Peter Gail 1961-5-6 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  CAS-BOT-BC78594  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  JEPS46817  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
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Apr 11 2014
  RSA5238  Pinus flexilis C. B. Wolf 1932-8-5 3982 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA595732B  Pinus flexilis L. C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  UCSB70  Pinus jeffreyi Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  RSA78321  Pinus lambertiana Philip A. Munz, E. K. Balls 1952-8-21 17978 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  CLARK-A1528-3557  Pinus monophylla John C. Roos 1947-4-5 3435 Riverside San Jacinto Mountains 1310 Comment
  RSA450184  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  SBBG358  Pinus quadrifolia M. Van Rensselaer 1937-9-21 Riverside W of Vandeventer Flat Comment
  UCD134979  Pinus quadrifolia Jo Ann Olson; Gary R. Robbins 1969-3-29 21 Riverside On Vandeventer Flat, 2 miles south of State Highway 74 and 21 miles (by car) west of Palm Desert. 1447 Comment
  UCR273800  Piperia transversa Mitch Provance, Tom Thompson 2016-7-14 716- 25 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  UCR98064  Pistacia atlantica A. C. Sanders 1997-3-1 19727 Riverside Riverside: E side of University of California campus. 335 Comment
  CLARK-A1528-5814  Pityrogramma triangularis John C. Roos 1952-2-29 5362 Riverside Box Springs Mountains 457 Comment
  CSUSB957  Plagiobothrys californicus H. C. Sharma 1976-4-26 760426 1 Riverside Van Buren Blvd., 1/2 mile south of highway 15 on left side of Van Buren Blvd. 320 Comment
  RSA674847  Plagiobothrys canescens Scott D. White 2000-5-3 7760 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  UC1347182  Plagiobothrys canescens Alice Eastwood and John Thomas Howell 1937-4-24 3917 Riverside above Elsinore; Summit of Santa Ana Mts. Comment
  UCR225727  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-30 38900 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR122564  Plagiobothrys collinus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3375 Riverside San Jacinto Mountains, 0.1 mi east of the junction of Calif. Hwy 74 and Calif. Hwy 371, SE side of the mountains 1494 Comment
  POM368913  Plagiobothrys collinus var. californicus Albert J. Perkins 1895-04 s.n. Riverside Near Riverside, Calif. Comment
  UCR20732  Plagiobothrys collinus var. californicus A. C. Sanders, Steve Boyd 1980-5-2 1406 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SD6744  Plagiobothrys collinus var. fulvescens Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains Comment
  UCR114308  Plagiobothrys collinus var. gracilis Julie A. Greene 1993-4-10 1138 B Riverside San Jacinto Wildlife Area 476 Comment
  SDSU13679  Plagiobothrys nothofulvus Jutta Buschbom 1991-5-1 45 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SBBG103908  Plagiobothrys tenellus S. D. White 1993-4-20 1209 Riverside Estelle Peak, Gavilan Hills 822 Comment
  SBBG53772  Plagiobothrys tenellus S. Boyd 1980-4-27 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  POM184244  Plantago erecta P. A. Munz 1932-3-24 12021 Riverside North of Elsinore 305 Comment
  RSA586497  Plantago erecta D. L. Banks, S. D. Boyd 1995-5-9 328 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR231759  Plantago erecta John F. Green 2008-4-23 09- 11 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR92096  Plantago erecta Scott D. White, M. Jacobsmeyer 1996-4-20 3948 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  UCR245253  Plantago ovata Jim Andre 2012-3-18 21289 Riverside Sonoran (Colorado) Desert, Palen Valley, along Rice Rd (Hwy 177) east of Coxcomb Mtns, 9.6 mi. south of Hwy 62 208 Comment
  UCSB7590  Plantago ovata var. fastigiata Beeks, Richard 1952-4-4 Riverside 7 mi above Mecca in Box Cyn Comment
  JEPS3456  Plantago patagonica Marjorie D. Clary 1932-5-13 1633 Riverside Lost Horse Canyon Colorado Desert, Little San Bernardino Mountains 1219 Comment
  POM157910  Plantago patagonica P. A. Munz 1927-5-20 10809 Riverside 10 miles S. of Hemet. Comment
  UCR166079  Plantago patagonica S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 854 Comment
  RSA761892  Plantago subnuda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 705 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CHSC35880  Platanus racemosa James Henrickson 1972-5-21 7193 a Riverside Ca. 13 air mi. W. of Temecula in Matec Cyn. along Tenaja Rd. in flat area above steep falls along rd; ca. 4 mi. N. of Tenaja Campground. 457 Comment
  CLARK-A1528-3420  Platanus racemosa 1970-5-14 5575 Riverside Box Springs 487 Comment
  CLARK-A1528-1356  Platystemon californicus Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  SEINET12102791  Platystemon californicus E. A. Purer 1935-1 6440 Riverside Pine Valley on Pines to Palms Highway Comment
  SBBG123195  Plecostachys serpyllifolia R. E. Riefner 2008-12-16 08 -369 Riverside Pechanga Parkway at Pechanga Resort Drive; Temecula 338 Comment
  UCR102852  Plectritis ciliosa subsp. insignis A. C. Sanders 1997-4-3 20153 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  POM13268  Pleuraphis rigida E. C. Jaeger 1921-4-5 123 Riverside Murray Canyon. Comment
  RSA697726  Pleuraphis rigida J. Russell Bruff s.n. Riverside Palm Springs. Comment
  RSA697727  Pleuraphis rigida Wilma Griset 1931-3-29 s.n. Riverside Colorado Desert, Indio. Comment
  RSA775667  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 803 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 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
  RSA0011629  Pleuraphis rigida J. Russell Bruff s.n. Riverside 3 mi. south of Garnet Comment
  CAS-BOT-BC326642  Pleurocoronis pluriseta C. L. Hitchcock 1966-3-21 24339 Riverside At summit of pass through Sheep Hole Mountains about 40 miles south of Amboy Comment
  RSA0043057  Pleurocoronis pluriseta Duncan S. Bell, Evan Meyer 2014-4-1 6484 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 4.5 air miles northwest of Gucci Spring; about 4.5 air miles north of the Bradshaw Trail. 652 Comment
  RSA695628  Pleurocoronis pluriseta J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  RSA729918  Pleurocoronis pluriseta R. F. Thorne 1966-10-15 41784 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SEINET12534722 Image available Pleurocoronis pluriseta H. M. Hall 5992 Riverside Hills near Indio Comment
  CAS-BOT-BC326536  Pluchea sericea H. M. Hall 1901-6-8 2018 Riverside Canyon of the San Jacinto River, San Jacinto Mountains 762 Comment
  RSA342539  Pluchea sericea R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54092 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA586922  Poa annua D. L. Banks, Steve Boyd 1995-5-3 257 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA653711  Poa annua Scott D. White 2000-3-23 7636 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  SD136950  Poa annua Steve Boyd 1992-4-14 6816 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. From Verdugo Tr. S to crest of ridge W side of Bluewater Cyn. 730 Comment
  UCR25361  Poa pratensis John C. Roos 1952-5-7 5622 Riverside Flats at Edgemont 488 Comment
  UC71021  Poa pratensis subsp. pratensis F. A. Blake 1901-6-2 Riverside Rayneta [Idyllwild] Comment
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May 26 2013
  JOTR33942  Poa secunda subsp. secunda La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2831 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
  UCD91779  Poa secunda subsp. secunda F. W. Peirson 1919-4-12 1551 Riverside Tahquitz Camp, Palm Springs, Colorado Desert. Comment
  POM159502  Polygala acanthoclada E. C. Jaeger 1927-11-26 s.n. Riverside Eagle Mountains: 1 mile N of Cottonwood Spring Comment
  UCR91950  Polygonum argyrocoleon George K. Helmkamp 1996-3-11 1002 Riverside Sonoran (Colorado) Desert, Colorado River Valley, 35th Avenue and California Hwy 78, 1.7 mi north of PaloVerde 72 Comment
  UCR260160  Polygonum aviculare Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4776 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
  UCR261422  Polypodium californicum Joseph Cahill 2011-1-8 111- 14 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR2720  Polypogon australis F. M. Reed 1906-5-5 973 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA736306  Polypogon interruptus Scott D. White, Justin M. Wood 2008-5-13 11953 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCD91193  Polypogon maritimus K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UCR280824  Polypogon monspeliensis T. B. Salvato, Gregg Miller 2005-6-3 1364 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
  RSA314482  Polypogon viridis R. F. Thorne 1982-10-8 55369 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA735355  Populus fremontii Keith E. Hoffmaster 1937-3-16 746 Riverside Near Palm Springs Station Comment
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Aug 27 2011
  UCR3415  Populus fremontii H. M. Whistler 1964-5-3 640503- 01 Riverside San Bernardino Valley Region, city of Riverside, Santa Ana River bottom, 0.25 mi north of Buena Vista Ave. on Scout Lane 244 Comment
  UC1134775  Populus fremontii subsp. fremontii R. St. John 1930-2-14 95 Riverside Lewis Valley; San Jacinto Quad., Lewis Valley Comment
  RSA320351  Porophyllum gracile J. R. Shevock 1978-4-26 5883 Riverside Along Skyline Road, Santa Ana Mtns, Cleveland National Forest. 366 Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  UCR147744  Porophyllum gracile Steve Boyd, Et al. 2004-5-14 11261 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, 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 Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR280994  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 56 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  POM33495  Prenanthella exigua Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  POM244814  Prosopis glandulosa var. torreyana E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek, 20 miles south of Hemet 976 Comment
  UCSB33253  Prosopis pubescens Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  CLARK-A1528-4030  Prunus fasciculata John C. Roos 1966-3-20 Riverside Eagle Mountains Comment
  OBI10061  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canon Comment
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Jun 21 2012
  UC114552  Prunus ilicifolia J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC356342  Psathyrotes ramosissima Lewis S. Rose 1935-12-23 35686 Riverside Colorado Desert. 7 mi. S. of Cathedral City 152 Comment
  RSA472313  Psathyrotes ramosissima M. B. Dunkle 1933-5-6 3445 Riverside Painted Canyon, Colorado Desert 30 Comment
  RSA550274  Psathyrotes ramosissima Walter Wisura, John Dolan, Michael Wall 1992-3-24 4622 Riverside Lowdesert: 6.0mi NE of Mecca on Box Canyon Rd. Comment
  RSA726519  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SD27984  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 Riverside Santa Ana Mts., Hidden Canyon, 5 miles west of Corona, base of Skyline Drive. 405 Comment
  CAS-BOT-BC356793  Pseudognaphalium californicum A. C. Sanders 1997-3-19 20007 Riverside Lake Skinner area: slopes N of Tucalota Creek ca. 3/4 mi. (1.25 km) E of the lake 470 Comment
  JOTR35159  Pseudognaphalium canescens Harding, Mitzi, T. Herskovits 2011-9-14 158 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  JOTR30788  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  RSA220975  Pseudotsuga macrocarpa E. W. Lathrop 1966-3-23 6111 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  UCR169369  Pseudotsuga macrocarpa June Latting 1972-5-3 s.n. Riverside San Jacinto Mtns, 1 mile east of Keen Summit, 2.5 miles east of Mountain Center (junction of Calif. Hwy 74 and Calif. Hwy 243), a short distance east of Pasadena YMCA camp on the south side of Calif. Hwy 74 1402 Comment
  CLARK-A1045-174  Psilocarphus brevissimus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains along road; drying mud of vernal pools; Wildomar 7.5'Q Comment
  CLARK-A1045-184  Psilocarphus brevissimus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  POM212613  Psilocarphus brevissimus P. A. Munz 1941-5-18 16648 Riverside About 15 miles northeast of Temecula. Comment
  CAS-BOT-BC362111  Psilostrophe cooperi H. M. Hall; L. A. Greata 1905-4-1 5890 Riverside Chuckawalla Bench, Colorado Desert Comment
  UCR239508  Psilostrophe cooperi A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40511 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  CLARK-A1528-518  Psoralea californica Charlotte Stocks 1962-6-10 Riverside San Jacinto Mountains Comment
  RSA698039  Psorothamnus arborescens W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  CAS-BOT-BC353585  Psorothamnus arborescens var. simplicifolius Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  JEPS41716  Psorothamnus arborescens var. simplicifolius W. L. Jepson 1914-5-17 5982 Riverside Summit of Cottonwood Mountains = Lookout Mountain!; Mohave Desert 1219 Comment
  CAS-BOT-BC353625  Psorothamnus emoryi John Thomas Howell 1928-3-11 3436 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado 152 Comment
  HSC101260  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UCR166008  Psorothamnus emoryi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  RSA776384  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  CDA27788  Psorothamnus schottii G. D. Barbe, J. L. Johnson 1982-11-2 4023 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  POM6746  Psorothamnus schottii Philip A. Munz 1919-5-7 2749 Riverside Palm Springs. 183 Comment
  RSA0042113  Psorothamnus schottii Duncan S. Bell, LeRoy Gross 2014-3-6 6190 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  UC68600  Psorothamnus schottii H. M. Hall Apr, 1905 5781 Riverside 10 mi w Coachella; Colorado Desert, w of Coachella 152 Comment
  UCR148473  Psorothamnus schottii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  POM295543  Psorothamnus schottii Lyman D. Benson 1979-3-28 13575 Riverside Was at E end of PInes to Palms Hwy just above junction of palm springs- indio road. 305 Comment
  CAS-BOT-BC340964  Psorothamnus spinosus Roxana S. Ferris 1918-6-14 973 Riverside Between Palm Springs and Indian Wells Comment
  JOTR32398  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  SDSU5214  Psorothamnus spinosus Joan Godsil 1953-1-18 555 Riverside Joshua Natioanl Monument, 29 Palms To Cottonwood Highway. 625 Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  CAS-BOT-BC421262  Pterostegia drymarioides Winfield 1975-4-27 2367 Riverside Snow Creek Rd. ~3 mi from Hiway 111 Comment
  UCR21940  Pterostegia drymarioides Steve Boyd 1980-4-8 104 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0080590  Pyrola dentata P. A. Munz, I. M. Johnston 1924-7-27 8767 Riverside Dark Canyon, just below Deer Springs, San Jacinto Mts. 2439 Comment
  CAS-BOT-BC418623  Quercus agrifolia Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-11 673 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  UC66532  Quercus agrifolia E. A. Zumbro 1904-1 424 Riverside Cold Water Canyon Santa Ana Mts. Comment
  RSA192169  Quercus berberidifolia E. W. Lathrop 1965-10-24 6033 Riverside 8 miles W of Murrieta Comment
  SEINET7249070  Quercus berberidifolia Jeremiah George 2012-1 Riverside Comment
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Nov 18 2015
  UCD45202  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  UCR272999  Quercus berberidifolia Mitch Provance 2012-9-13 912- 03 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  CDA37126  Quercus cornelius-mulleri Mike Lahti 2012-4-5 PDR# 1590321 Riverside Anza. Comment
  JEPS37668  Quercus cornelius-mulleri H. M. Hall May 17 1901-Jun 1 1901 1915 Riverside Van Deventer's Comment
  RSA503824  Quercus cornelius-mulleri M. B. Dunkle 1933-5-6 3378 Riverside Dry Morongo Creek. Comment
  RSA772411  Quercus cornelius-mulleri Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4854 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. 915 Comment
  SD229173  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 643 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  SD262289  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617 01 Riverside Temescal Valley: Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  UC1135590  Quercus engelmannii R. St. John 1931-2-3 181 Riverside Santa Rosa Ranch, at extreme Head of Tenaja Canyon San Luis Rey Quad., Tenaja Canyon 640 Comment
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Nov 27 2011
  CAS-BOT-BC105323  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Mts, Santa Rosa 1981 Comment
  SD229178  Quercus kelloggii Dick Schwenkmeyer 2012-4-18 706 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  SJSU10151  Quercus kelloggii A. W. Jacobs 1938-8-1 Riverside Mt Tahquitz trail near Keen Ranger Station 1409 Comment
  SD229180  Quercus palmeri Dick Schwenkmeyer 2012-3-26 671 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA489833  Quercus turbinella D. Charlton 1988-5-28 2128 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  UCR135728  Quercus wislizeni Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9035 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA215586  Quercus wislizeni L. B. Ziegler 1969-10-24 s.n. Riverside Kenworthy Ranger Station. Hemet Valley, San Jacinto Mts. 1418 Comment
  RSA288004  Quercus wislizeni var. frutescens C. W. Tilforth, Walter Wisura 1979-11-10 1920 Riverside 2 miles W of Hwy 74 along Thomas Mtn Road. 1 mile south of Lake Hemet, Garner Valley. Comment
  CAS-BOT-BC362519  Rafinesquia californica John Thomas Howell 1931-5-30 6592 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR91351  Rafinesquia californica Scott D. White, Marty Jacobsmeyer 1996-4-20 3955 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  JEPS26553  Rafinesquia neomexicana Peter Kamb 1948-4-11 861 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley Comment
  JOTR32039  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2269 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  SBBG8706  Rafinesquia neomexicana C. H. Muller 1952-4-4 9495 Riverside White Water Cyn, ca. 1 mi above White Water Comment
  UC64124  Ranunculus californicus H. M. Hall Riverside meadows near Hemet Valley; San Jacinto Mts., Johnston Ranch 1463 Comment
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Mar 25 2011
  UCR389  Ranunculus cymbalaria var. saximontanus K. H. Fisher 1968-4-4 680404- 03 Riverside Peninsular Range; San Jacinto Mtns., San Jacinto River, near Lake Hemet. c. 100 yards east of Hwy 74 1326 Comment
  UC1922903  Ranunculus testiculatus Scott D. White 2005-3-24 10809 Riverside East Mojave Desert: Mountain Pass. Sandy bajadas, canyons, and washes N of the I-15 Freeway and S of the Molycorp quarry. (Mescal Range) Comment
  CAS-BOT-BC74228  Raphanus sativus T. Winfield 1975-5-3 s.n. Riverside Perris Dam - Base of Dam. Comment
  RSA381079  Rhamnus ilicifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61182 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR35109  Rhododendron occidentale L. B. Ziegler 1978-6-21 594 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  RSA105377  Rhododendron occidentale var. paludosum G. D. Barbe 1955-7-5 114 Riverside 12 mi south of Etna on French Creek Rd. where the road crosses the creek. 1098 Comment
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Jul 23 2013
  RSA702741  Rhus ovata Scott D. White, Michael Honer 2004-4-6 10045 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SD144093  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  SD146054  Rhus ovata Mitch Provance 1998-6-6 688 B Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on west side of Sierra Blvd., just east of corner of 29th St. and Scenic Drive. 305 Comment
  UC1130537  Rhus ovata H. S. Yates 1937-3-24 6469 Riverside s of Pinyon Flat 975 Comment
  UC1130538  Rhus ovata R. St. John 1929-4-28 22 Riverside Old Nicholas Canyon; Santa Rosa Mountains 1280 Comment
  UCR58632  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Peninsular Range, Temecula Gorge, south side of aqueduct crossing 260 Comment
  CAS-BOT-BC92347  Ribes amarum James R. Shevock 1978-4-26 5905 Riverside Along the northeast side of Pleasants Peak. Santa Ana Mountains, Cleveland National Forest. 1188 Comment
  CAS-BOT-BC173139  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  UCR106065  Ribes malvaceum A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  VVC471  Ribes malvaceum P. J. MacKay 1975-1 s.n. Riverside Transverse Mountain Range, "Few miles S. of Banning on Hwy. 243, 22.18 miles from county line"??? the liberty was taken to juxtapose a google location as 22 miles from N or S Co line places the location in Idyllwild and the label data clearly states chaparral and a few miles S of Banning; so.... 1534 Comment
  RSA535479  Ribes malvaceum var. viridifolium Tim S. Ross, Orlando Mistretta 1992-2-2 6657 Riverside Santa Ana Mts, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  RSA575881  Ribes malvaceum var. viridifolium Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain in steep canyon at the border of NW 1/4 Sec. 5 and NE 1/4 Sec. 6. 610 Comment
  UCD102356  Ribes malvaceum var. viridifolium F. R. Lawson 1930-3-2 s.n. Riverside Riverside. Comment
  UCSB12539  Ribes nevadense Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning; on Banning-Idyllwild road; In the San Bernardino National Forest; San Jacinto Mountains 1584 Comment
  UCR154628  Ribes quercetorum A. C. Sanders, Mike Misenhelter 2005-6-15 31003 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CHSC95394  Rigiopappus leptocladus C. Spurrier; Way, M. J. 2001-6-13 2 Riverside Riverside County. Big Morongo Canyon Preserve. Wash, 1.3 km north of Indian Avenue, just east of Highway 62. 525 Comment
  UC1126496  Romneya coulteri R. St. John 1930-4-13 112 Riverside Temescal Wash Corona Quadrangle 304 Comment
  UCR125202  Romneya trichocalyx Mitch Provance 1998-5-29 557 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  CLARK-A1528-5386  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Whitewater Comment
  RSA788096  Rosa californica Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49552 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  PASA1195  Rubus parviflorus Sally Ellis 1939-6-24 Riverside Halona Comment
  SDSU12267  Rubus ursinus Jeremy Mass, Ryan Jacobsen 2000-4-19 14 Riverside Along road near edge of Stone Creek close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  RSA507469  Rumex acetosella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR193957  Rumex salicifolius A. C. Sanders 2008-7-25 35905 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  UCR23254  Rumex salicifolius var. denticulatus John C. Roos 1952-5-26 5719 Riverside Haas' Ranch, Reche Canyon 457 Comment
  UC1536017  Rumex salicifolius var. salicifolius Robert F. Thorne and Earl Lathrop 1975-5-25 45548 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  SD136842  Rupertia physodes Steve Boyd, Time Ross 1992-5-15 7401 Riverside San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails. 671 Comment
  UC441327  Sagittaria longiloba E. E. Schellenger 1894-8-6 79 Riverside Sanch Ranch Colorado Desert (Colorado Desert) Comment
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Aug 23 2007
  CAS-BOT-BC500429  Salazaria mexicana A. C. Sanders; Jim Malusa 2015-3-11 41410 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  CHSC778  Salazaria mexicana M. Anthony 1954-4-15 Riverside Near Joshua Tree Monument. Comment
  RSA401569C  Salazaria mexicana Jack Rempel, Lester H. Cushman 1932-5-1 15210 Riverside 1 miles south of Morengo Valley. Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  RSA586038  Salix exigua D. L. Banks, Steve D. Boyd 1995-3-16 91 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, Arroyo Seco drainage. 512 Comment
  SDSU9444  Salix exigua A. H. Gallup 1949-3-28 360 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope. 762 Comment
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Jan 30 2013
  UC469391  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  UC498686  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside 4.8 km. n Arlington (4 mi w of Riverside, e side of bridge over Santa Ana R., on rd. to Pedley) 240 Comment
  RSA0030829  Salix exigua Norman C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 304 Comment
  UC537090  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n of Elsinore 304 Comment
  SD1047  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  SD137624  Salix gooddingii Darin L. Banks, Steve Boyd 1995-4-5 141 Riverside Cleveland National Forest, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 658 Comment
  SEINET10626236  Salix gooddingii Nye Leith, Greg Gust 2005-3-11 Nye 57 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  RSA0038295  Salix hindsiana H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR93828  Salix laevigata 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
  RSA444943  Salsola tragus N. C. Cooper 1943-10-9 945 Riverside Hemet. 305 Comment
  UCR77759  Salsola tragus Steve Boyd 1991-9-8 6423 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  JEPS86050  Saltugilia australis W. L. Jepson 1901-5-19 1284 Riverside San Jacinto Canyon , San Jacinto Canyon (San Jacinto Mtns.) Comment
  RSA0095103  Saltugilia australis N. C. Cooper 1944-5-20 1282 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  RSA525435  Saltugilia australis Steve Boyd, D. E. Bramlet 1990-4-29 4480 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  CHSC780  Salvia apiana 1935-4-1 Riverside Colorado Desert. Comment
  RSA714428  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area. 450 Comment
  UCR121341  Salvia apiana A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25030 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  SEINET2066008 Image available Salvia carduacea Howard Gentry, Marie Gentry 1982-8-3 23714 Riverside Five miles SW of Anza along Hwy 371. 1066 Comment
  UCR35342  Salvia carduacea L. B. Ziegler 1967-2-20 111 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  POM4121  Salvia columbariae M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  SDSU13925  Salvia columbariae Michael G. Simpson, Adrienne Russell 2000-4-29 2075 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR167458  Salvia columbariae John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR216409  Salvia columbariae Michael L. O'Leary 2008-4-16 07 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCR241686  Salvia columbariae T. B. Salvato 2013-3-22 7406 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  RSA434132  Salvia mellifera N. C. Cooper 1944-4-22 1108 Riverside Banning. 701 Comment
  RSA434155  Salvia mellifera Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, Mountain slope 549 Comment
  UCR241822  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  RSA0099994  Salvia pachyphylla Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8576 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA727072  Salvia pachyphylla Jay Walker, R. C. Walker 3093 Riverside Santa Rosa Mtn., 7.3 miles up Santa Rosa Mtn. truck trail from jct with hwy 74. Comment
  SBBG6506  Salvia pachyphylla H. and M. Dearing 1937-11-27 1569 Riverside Santa Rosa Mtn Comment
  UCR26240  Salvia pachyphylla John C. Roos 1946-8-27 2914 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  CAS-BOT-BC233340  Salvia vaseyi E. K. Balls 1959-6-25 23860 Riverside Along road to 29 Palms, 7.5 mi. N. of jct. with U.S. Hwys. 60/70/99 381 Comment
  RSA748608  Salvia vaseyi Scott D. White, Justin M. Wood 2009-4-28 12606 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA82388  Salvia vaseyi F. W. Peirson 1933-4-13 10635 Riverside Deep Canyon to Santa Rosa Mts. road 488 Comment
  SBBG6512  Salvia vaseyi H. and M. Dearing 1936-12-25 1562 Riverside Long Cyn, Colorado Desert Comment
  SEINET13947704 Image available Salvia vaseyi J. C. Roos 1965-1 s.n. Riverside Palms to Pines Highway (74), below Dos Palmos Springs, Santa Rosa Mtns. Comment
  UC875453  Sanicula bipinnatifida I. W. Clokey, E. G. Anderson 1935-4-16 6776 Riverside e of Hemet 800 Comment
  UC796594  Sanicula graveolens LeRoy Abrams 1901-6-15 1840 Riverside Santiago Peak Comment
  CAS-BOT-BC466220  Sarcodes sanguinea Peter H. Raven 1959-5-18 14240 Riverside San Jacinto Mts: Lake Fulmor Comment
  UCR214314  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38390 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  VVC691  Sarcostemma cynanchoides P. J. MacKay, T. Thomas 1997-2-8 105 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  LA202876  Sarcostemma cynanchoides subsp. hartwegii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Box Canyon Comment
  RSA0016887  Satureja chandleri Robinson, Crocker 1916-3-29 571 Riverside Santa Ana Mountains, near Murrieta. Comment
  UCR29624  Saxifraga californica Don Emery 1983-3-25 s.n. Riverside Box Springs Mtns., E of Riverside. On the U.C. Reserve on the crest of the range, near the 'C'. 732 Comment
  UCR90922  Schinus polygamus A. C. Sanders 1996-4-17 18041 Riverside Riverside, UCR campus 335 Comment
  SEINET7072825  Schismus arabicus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  CAS-BOT-BC243457  Schismus barbatus Rateaver 1944-2-21 58 Riverside Fan of Tahquitz Creek, Palm Springs Comment
  RSA0106763  Schismus barbatus Duncan S. Bell, Amanda Turek 2009-3-29 138 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  RSA406829  Schismus barbatus Christopher Davidson 1973-4-1 1800 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UCR263482  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 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
  UCR97461  Schismus barbatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19872 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA596534  Schismus barbatus D. L. Banks 1996-7-16 1125 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road);, along a disturbed hillside and adjacent roadside 426 Comment
  CAS-BOT-BC111456  Schoenoplectus californicus Ira L. Wiggins 1937-2-19 8572 Riverside Tule swamp 1/2 mile north of Palo Verde. Comment
  POM1421  Scirpus acutus var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona Comment
  UCR179756  Scirpus americanus R. E. Riefner Jr. 2006-9-19 06- 446 Riverside Temecula Valley, c. 0.1 mi. west of I-15 Freeway at the confluence of Temecula and Murrieta Creeks, head of Santa Margarita River 300 Comment
  UCR50002  Scirpus cernuus Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  SBBG37513  Scrophularia californica R. N. Muller 1962-5-5 34 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  SEINET3078484 Image available Scrophularia californica Susan Larisch 1963-3-18 51 Riverside Growing at base of large rock about 1/2 way up large wash in the U.C.R. Botanical Garden. Comment
  RSA16360  Scrophularia californica subsp. floribunda Percy C. Everett 1935-6-18 7172 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  IRVC3584  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-29 SJ 57 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  RSA613236  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  UC50350  Senecio californicus H. M. Hall March 1903 3721 Riverside vicinity Riverside 609 Comment
  UCR100372  Senecio flaccidus var. douglasii A. C. Sanders, T. Tennant 1997-11-14 21599 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  RSA777731  Senecio mohavensis J. Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  RSA612367  Senecio vulgaris D. L. Banks, Joe Moreno 1997-2-5 1255 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  RSA220388  Senna armata C. W. Tilforth, John Dourley 1921-4-14 343 Riverside Pinto Basin, Joshua Tree National Monument. Comment
  SDSU14022  Senna artemisioides Michael G. Simpson 2000-4-30 2082 Riverside Along dirt road, directly east of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
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Oct 5 2011
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  CAS-BOT-BC240117  Setaria adhaerens Malcom A. Nobs; S. Galen Smith 1948-9-3 492 Riverside Imperial Valley. 2 miles north of Indio Comment
  UCR4566  Setaria pumila O. F. Clarke 1959-8-6 580806- 2 Riverside Riverside, residence of O.F.Clarke, 1012 Spruce St. 300 Comment
  UC1132950  Setaria viridis H. S. Yates 1937-6-28 6742 Riverside near Indio; Thermal Quad. Comment
  RSA614623  Sidalcea malviflora subsp. sparsifolia D. L. Banks 1997-3-29 1573 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