Search Results — 2000 specimen records retrieved (1897 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229019  Abies concolor Dick Schwenkmeyer 2012-8-28 813 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA0077541  Abies concolor G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC229337  Abronia villosa A. C. Sanders 2010-3-15 37413 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CAS-BOT-BC229362  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside Six miles south-east of Garnet Station, Coachella Valley, Colorado Desert Comment
  NY43447  Abronia villosa C. R. Annable 1995-3-9 2256 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  SEINET1906290  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-1 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  UC218065  Abronia villosa P. A. Munz, D. Keck 1922-4-14 4968 Riverside Colorado Desert, Indian Wells 91 Comment
  POM47006  Abronia villosa var. aurita Mary F. Spencer 1919-6-17 1330 Riverside Near San Jacinto 305 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
  RSA461201  Abronia villosa var. aurita N. C. Cooper 1944-7-15 1592 Riverside Palms to Pine Hwy 1463 Comment
  UCR234277  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. Comment
  UCR268585  Abronia villosa var. aurita Jim Andre 2012-6-15 30546 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA778491  Abronia villosa var. villosa Duncan S. Bell 2009-3-8 58 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  RSA17761  Acacia farnesiana C. Epling, Wm. Robison 1935-2-6 s.n. Riverside Lower California- Cahualli Comment
Read comments
Sep 3 2010
  RSA623995  Acacia greggii var. arizonica E. C. Jaeger 1921-10-9 286 Riverside Little Palm Canyon. 366 Comment
  UCD104648  Acacia iteaphylla A. C. Sanders; S. Morgan 1997-11-6 21588 Riverside UCR Botanical Garden, dry W-facing slopes E of the Australian section. 396 Comment
  CAS-BOT-BC30950  Acamptopappus sphaerocephalus L. R. Abrams 1941-4-23 13923 Riverside White Water wash, Palm Springs railroad station Comment
  CAS-BOT-BC30909  Acamptopappus sphaerocephalus E. C. Jaeger s.n. Riverside Whitewater Comment
  UCD50311  Achnatherum coronatum Fred M. Reed 1933-5-31 7921 Riverside California, Riverside County. San Jacinto Mtns., Vandeventer Flats. Comment
  RSA775347  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5014 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66014 750 Comment
Read comments
May 22 2012
  UCD50439  Achnatherum hymenoides F. M. Reed 1921-3-19 5671 Riverside California, Riverside County. Salt Creek Wash, Colorado Desert. east of Mecca. 213 Comment
  UCD50446  Achnatherum hymenoides John Thomas Howell 1928-3-11 3428 Riverside 6 miles se. of Garnett Station, Colorado Desert, Riverside County. 152 Comment
  SEINET260234 Image available Achnatherum latiglume M. Curto, LS Allen 1991-6-26 766 Riverside San Bernardino National Forest ; Thomas Mt nr former lookout tower site summit rd SW off San Bernardino NF Rd 5S15 2060 Comment
  SEINET3156335  Achyronychia cooperi Unknown 1906-5-1 11 -6707 Riverside collected on Colorado desert at Palm Springs Comment
  CAS-BOT-BC204876  Acmispon argyraeus var. argyraeus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SBBG51125  Acmispon nevadensis var. davidsonii N. R. Zabriskie, W. Zabriskie 1973-4-6 628 Riverside Andreas Cyn 365 Comment
  SBBG51532  Acmispon strigosus N. R. Zabriskie 1970-5-3 297 Riverside Strawberry Firebreak, S of S end of Marion Ridge Rd, Pine Cove, NW of Idyllwild 1938 Comment
  SDSU13682  Acmispon strigosus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998M Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 500 feet southwest on road to switchback, west side of road. 311 Comment
  UCR245229  Acmispon strigosus Jim Andre 2012-3-19 21317 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UC1929910  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR126960  Adenostoma fasciculatum 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
  RSA613428  Adenostoma fasciculatum var. fasciculatum D. L. Banks 1997-4-5 1664 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  POM78684  Adenostoma sparsifolium Albert J. Perkins 1916-9-9 s.n. Riverside Road, Idyllwild to Hemet. Comment
  RSA102323  Adenostoma sparsifolium S. B. Parish, William F. Parish 1881-07 552 Riverside San Jacinto Mountains. Comment
  RSA716087  Adenostoma sparsifolium Fred M. Roberts, Robert Allen 2006-8-5 6398 Riverside Santa Ana Mtns region: just east of Bear Creek, 0.5km SE Upper San Juan Campground. 668 Comment
  RSA712690  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce Street. 305 Comment
  JEPS36230  Agoseris grandiflora var. grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside Van Deventer's Ranch (journey from Riverside to Santa Rosa Peak and Palomar) Southern California Comment
  UC36983  Agrostis idahoensis H. M. Hall 1901-7 2476 Riverside shores Lake Surprise; San Jacinto Mountains, shores Lake Surprise 2499 Comment
  RSA535467  Agrostis pallens Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6652 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  RSA591754  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA87376  Agrostis scabra F. W. Peirson 1924-7-27 4982 Riverside Dark Canyon, San Jacinto Mountains. 1768 Comment
  SD114219  Aliciella micromeria Darley F. Howe 1969-5-15 4588 Riverside Near Dripping Springs Camp ground. 456 Comment
  RSA717649  Allionia incarnata Scott D. White, Pam DeVries 2006-3-14 11248 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR148480  Allionia incarnata 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
  CAS-BOT-BC536069  Allium haematochiton Youssef C. Atallah 2016-4-27 s.n. Riverside San Bernardino Mtns. Foothills: Banning, Bluff S., c. 1 mile beyond the end of San Gorgonia Ave., c. 2.1 mi N of I-10 Fwy 882 Comment
  IRVC25  Allium haematochiton R. H. Whittaker, W. A. Niering 1963-6-20 SJ 501 Riverside Peninsular Ranges, San Jacinto Mountains 1677 Comment
  RSA0013615  Allium haematochiton LeRoy Gross, Duncan S. Bell 2013-4-30 6022 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA286816  Allium lacunosum var. lacunosum Robert F. Thorne 1974-5-23 44661 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UCR215368  Allium marvinii Fred M. Roberts 2006-5-11 6333 Riverside Peninsular Range; Santa Ana Mtns., vicinity of Elsinore Peak, along Main Divide Truck Trail, 0.7 km west of summit of Elsinore Peak 1006 Comment
Read comments
Dec 12 2013
  RSA770516  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 012 Riverside East of Elsinore Peak, on clay hill. Comment
  JOTR35461  Allium parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  POM230632  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  UCR2921  Allium praecox Nancy Atha 1963-3-3 3363- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, north side of [Quarry Hill] at the corner of Madison St. and Victoria Ave. 274 Comment
  CDA7194  Allium roseum A. C. Sanders 1999-4-28 22709 B Riverside UCR Botanic Garden, Riverside. Comment
  UCR139151  Allophyllum S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  CAS-BOT-BC170127  Alnus rhombifolia Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  RSA763307  Amaranthus albus Scott D. White, Angelia Carey 2004-6-4 10476 -B Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  JOTR33808  Amaranthus fimbriatus La Doux, Tasha, B. Truesdell 2007-11-9 3325 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Canyon, near mouth of canyon along south park boundary (STOP 3) 635 Comment
  RSA356608  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41817 Riverside Palm Springs. Comment
  RSA737123  Ambrosia acanthicarpa Justin M. Wood 2008-10-15 189 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA772062  Ambrosia acanthicarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4628 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD124208  Ambrosia acanthicarpa Barry A. Prigge 1980-9-16 4049 Riverside Coachella Valley stormwater channel: west of Munroe St., Indio. Comment
  SD187332  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  CAS-BOT-BC166536  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  JOTR28961  Ambrosia dumosa La Doux, Tasha 2005-3-30 1197 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM198001  Ambrosia dumosa Joseph A. Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet Comment
  RSA191738  Ambrosia dumosa R. F. Thorne 1963-3-29 32401 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
Read comments
Dec 14 2011
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  UCR120969  Ambrosia dumosa Jennie Phui 1998-6-3 106 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
  UCR263655  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 021 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  SEINET10725765  Ambrosia dumosa David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3612 Riverside Pushawalla Canyon, Indio Hills of the Colorado desert; west of Indio. Comment
  UCR172727  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32367 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  SD229061  Ambrosia salsola Dick Schwenkmeyer 2013-6-11 902 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UC718798  Ambrosia salsola L. R. Abrams 1941-4-24 13935 Riverside near Cabazon; San Gorgonio Pass Comment
  JEPS121497  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 412 Riverside West side of Highway 177. Comment
  RSA653661  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  SD148121  Ammannia coccinea D. E. Bramlet, A. C. Sanders et al. 1999-10-15 2818 Riverside 198 m S of Gilman Hot Springs Rd., 1.22 km NW of Hwy 79 and 2.1 Km S of Jackrabbit Trail. 433 Comment
Read comments
Mar 21 2011
  UCR211700  Ammannia robusta Fred M. Roberts, Michelle Balk 2006-8-24 6404 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  SD84908  Amorpha californica Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-21 441 Riverside Santa Rosa Mountains, Palm Canyon drainage, above Garnet Queen Cr. crossing of Santa Rosa Mountain Road 1830 Comment
  UCD170781  Amorpha californica Tracy Tennant; Jeffrey Ross 1998-6-23 MOR-- 517 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat. 1113 Comment
  UCR79992  Amorpha fruticosa Scott D. White 1992-9-2 765 Riverside San Jacinto Valley, Vicinity of Gilman Hot Spirngs, north side of San Jacinto River, and a thin strip tending north of the river & west of the Hot Springs. 451 Comment
  RSA91359  Amorpha fruticosa F. W. Peirson 1919-4-12 702 Riverside Palm Canyon, near Palm springs. Comment
  CAS-BOT-BC213971  Amsinckia John H. Thomas 1957-3-30 6571 Riverside About 3 miles southeast of White Tank near teh road to Cholla Cactus Garden, about 20 miles northeast of Indio, Joshua Tree National Monument 883 Comment
  UCR182528  Amsinckia Mitch Provance 2005-5-17 6571 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
  RSA613407  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  SEINET3084380 Image available Amsinckia intermedia C. F. Shutts 1949-3-19 55 Riverside White Tank, Joshua Tree Nat'l Mon. 457 Comment
  UCD119698  Amsinckia intermedia T. B. Salvato; Kent Beaman 2005-5-16 786 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR37793  Amsinckia intermedia A. C. Sanders 1985-3-1 5389 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  RSA0089617  Amsinckia intermedia J. Olmstead 1962-5-2 3449 Riverside Sandy flat by saddle just N of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  JEPS61106  Amsinckia menziesii var. menziesii W. L. Jepson 1939-4-17 19123 Riverside 2 mi s on Road to Temecula Corona Comment
  SDSU18984  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-5 495 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
  SDSU18985  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 522 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
  UC1228555  Amsinckia spectabilis C. L. Hitchcock, C. V. Muhlick 1962-3-16 22131 Riverside 8 mi se of Corona; Temescal Canyon Comment
  RSA649255  Amsinckia tessellata Sears 1978-3-16 828 Riverside 2.5 mi. NW of Midland. in wash area beyond gap between Little Maria and Big Maria Mts. Comment
  UC1329904  Amsonia tomentosa James E. Cole 1941-5-5 695 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1310 Comment
  UCR281914  Amsonia tomentosa var. brevifolia A. C. Sanders, Jim Malusa 2017-9-19 43341 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  CAS-BOT-BC272872  Ancistrocarphus filagineus Steve Boyd 1986-4-2 1588 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR180054  Anemopsis californica Mitch Provance 2005-5-18 9801 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
  RSA741202  Anisocoma acaulis Scott D. White, Justin M. Wood 2008-5-15 11964 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  UCR34900  Anisocoma acaulis L. B. Ziegler 1969-4-21 351 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  SEINET10721346  Antennaria David B. Dunn 1946-8-18 Dunn 2760 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to Round valley & to Peak; but 50 feet farther up trail. 2743 Comment
  UCSB37910  Antirrhinum coulterianum Hood, Mary 1944-4-4 Riverside Cottonwood Creek; near Aguanga 609 Comment
  UCR233157A  Antirrhinum filipes Jim Andre, Glenn L. Clifton 2011-2-22 17455 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UC1262268  Antirrhinum kelloggii E. W. Lathrop 1969-5-8 7010 Riverside trail between El Carriso and San Mateo Canyon (Main Divide Truck, Santa Ana Mountains); Santa Ana Mountains, Cleveland National Forest 1219 Comment
  VVC475  Antirrhinum nuttallianum A. C. Sanders 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UC1424878  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth 1978-4-30 1564 Riverside East of Norco Comment
  RSA586114  Apiastrum angustifolium D. L. Banks, S. D. Boyd 1995-4-5 154 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, W of the Dripping Springs Trail. 503 Comment
  UCR107748  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 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
  UCR187495  Apiastrum angustifolium Theresa Johnson 2006-5-23 125 Riverside Peninsular Range, Oak Mountain, 1.5 mi. NNW of Vail Lake dam Comment
  CLARK-A1528-136  Apium graveolens Margaret Ferro 1970-5-16 19 Riverside Jurupa 365 Comment
  OBI37485  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd, 7 mi W of Rancho Calif 366 Comment
  POM319710  Apium graveolens Patricia Wilder 1970-10-30 4844 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  RSA575846  Apocynum cannabinum Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  CAS-BOT-BC405878  Aquilegia formosa Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA0029823  Arabis John F. Emmel 1987-5-23 1054 Riverside Little San Bernardino Mts.; Eureka Peak. San Bernardino/Riverside Co. line. 1646 Comment
  UCR120625  Arabis glabra Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2290 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA66494  Arabis perennans F. W. Peirson 1933-4-15 10656 Riverside Steep South slope of Whitewater Canyon, head of Coachella Valley. 701 Comment
  POM184733  Arabis pulchra var. gracilis C. L. Hitchcock 1932-4-9 12229 Riverside Joshua Tree National Monument; White Tanks, eastern Riverside. Comment
  CAS-BOT-BC410046  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside Strawberry Valley, San Jacinto Mountains 1584 Comment
  RSA629382  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15084 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629401  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19520 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629439  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16579 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  POM49870  Arctostaphylos glandulosa var. adamsii P. A. Munz, I. M. Johnston 1924-7-29 8859 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA631769  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15064 Riverside Crosley Road, above Temecula Creek, 1 km south of Highway 79. 550 Comment
  RSA631830  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15535 Riverside Road to Elsinore Peak, 10 km south of Highway 74. 900 Comment
  RSA632226  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4094 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  SBBG21961  Arctostaphylos glauca R. F. Thorne with J. Olmstead 1963-7-26 32817 Riverside Trabuco District, Cleveland Nat Forest 304 Comment
  UCR100167  Arctostaphylos glauca Scott D. White 1992-12-16 986 Riverside Vail Lake area, c. 7 air mi NE of Aguanga (junction of Hwys 371 & 79) & 4 air mi N-NW of Beauty Mtn Peak. 1159 Comment
  UCR60640  Arctostaphylos glauca C. B. Wolf 1932-2-11 02649 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  RSA78198  Arctostaphylos glauca var. eremicola P. A. Munz 1953-5-31 18516 Riverside ridge between Juniper Flats and Stubby Springs, Joshua Tree Nat'l Mon. Comment
  RSA633538  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22661 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633570  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16675 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633591  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22527 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633606  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22525 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633716  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20126 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633746  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21791 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633768  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16617 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  UCR188223  Arctostaphylos patula Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1696 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  CAS-BOT-BC44369  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  CAS-BOT-BC44374  Arctostaphylos pringlei subsp. drupacea E. K. Balls; P. A. Munz 1952-8-21 17972 Riverside Road to Santa Rosa Mt. from Vandeventer Flat 1828 Comment
  RSA761984  Arctostaphylos pringlei subsp. drupacea Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 666 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA635787  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16866 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UC8107  Arenaria macradenia var. macradenia H. M. Hall 1901-6-1 2126 Riverside San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1645 Comment
  UCR133358  Argemone munita Tracy Tennant, J. S. Ross 1998-4-30 MOR- 62 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR3412  Argemone munita H. M. Whistler 1964-5-3 640503- 04 Riverside Jack Rabbit Trail, 2.2 mi from its junction with State Hwy 79 610 Comment
  SD73608  Argemone munita subsp. munita Helen V. Witham 1970-5-1 862 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  SEINET10903238  Argythamnia lanceolata Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6425 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35. Frequent In wash bottoms. A subshrub. 290 Comment
  RSA682162  Aristida adscensionis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10504 Riverside West side of mouth of Chino Canyon. Comment
  UCD57988  Aristida adscensionis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin. Ca. 10 miles ESE of North Shore along Coachella Canal right-of-way, North of Rancho Dos Palmas. 15 Comment
  GMDRC5515  Aristida californica J. Andre 2012-3-19 21352 Riverside Chuckwalla Valley: along Hwy 177, 8.6 mi. NE of Jct with I-10 152 Comment
  JOTR35999  Aristida californica Harding, Mitzi, Mark Wheeler 2012-9-4 210 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  RSA782353  Aristida purpurea Stephanie Rockwood, Christi Gabriel 2011-10-18 132 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
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Sep 10 2016
  UCR54264  Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  RSA518304  Aristida purpurea var. purpurea A. C. Sanders 1989-9-20 9513 Riverside Chocolate Mountains Aerial Gunnery Range. In extreme northern end of Chocolate Mountains. (UTM: 11S, PH-35E, 09N) 610 Comment
  RSA596672  Artemisia californica Darin L. Banks, Lauren Raz 1996-11-5 1146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  CLARK-A1528-1574  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  JEPS36925  Artemisia dracunculus Carl V. Meyer 1928-7-30 597 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow 1676 Comment
  POM319658  Artemisia dracunculus Patricia Wilder 1971-9-29 5278 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. Base of the San Jacintos. 518 Comment
  UC29674  Artemisia dracunculus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCD129327  Artemisia ludoviciana subsp. albula E. K. Balls; P. C. Everett 1957-11-4 22747 Riverside Snow Creek, about old Fish Hatchery, north base of San Jacinto Mountains. 701 Comment
  UCR272197  Artemisia ludoviciana subsp. albula Duncan S. Bell 2015-9-30 8660 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  RSA715091  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside N base of San Jacinto Mountains, W of Hwy 111, just E of Snow Creek Road. Comment
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Jan 23 2010
  SDSU12236  Arundo donax Tahirih Linz, M. G. Simpson 2000-4-1 5 Riverside 244 Comment
  SEINET3919668  Arundo donax Faulkner 1978-4-27 481 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  SD259960  Asclepias albicans J. Andre 2012-4-11 20788 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Sutah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky (granitic) hills and large wash. 729 Comment
  JEPS5170  Asclepias californica W. L. Jepson 1939-4-19 19214 Riverside w Aguanga; Dripping Spring Comment
  RSA192148  Asclepias eriocarpa H. A. Zuill 1966-6-5 186 Riverside 1 mile SW of Murrieta on the Tenaja Grade. Comment
  UCR193857  Asclepias eriocarpa A. C. Sanders, Mitch Provance 2008-7-11 35822 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
  SEINET10580564  Asclepias erosa Marcus E. Jones 1931-9-15 Jones 28744 Riverside Hayfields Comment
  CDA39815  Asclepias subulata W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  CLARK-A1656-605  Asclepias subulata Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  CDA2687  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin; Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. Comment
  UC218669  Aspidotis californica Munz and Harwood 1920-2-28 3236 Riverside 2 mi se Corona 274 Comment
  JEPS54674  Astragalus W. L. Jepson 1901-5-25 1448 Riverside trail to Santa Rosa Peak; trail to Santa Rosa Peak Comment
  RSA782074  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  RSA795930  Astragalus aridus Duncan S. Bell 2009-4-18 234 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC862521  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5927 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
  UCSB3511  Astragalus bernardinus Krogen, Roger 1957-1 Riverside Along Hwy. 195, 8 mi. W of junction of Hwys 60-70 and 195 Comment
  SEINET938073  Astragalus coulteri G. B. Cummins 1906-1 A- 77 -6747 Riverside Colorado desert at Palm Springs. Comment
  SBBG3168  Astragalus crotalariae H. and M. Dearing 1949-12-3 4065 Riverside NE end of Salton Sea Comment
  UCR19769  Astragalus crotalariae Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  UCSB45527  Astragalus didymocarpus Roos, John 1952-4-30 Riverside Hills between Camp Haan and Riverside 518 Comment
  RSA49368  Astragalus didymocarpus var. dispermus P. A. Munz 1949-4-11 12996 Riverside North base of Eagle Mtns. 945 Comment
  UC862649  Astragalus didymocarpus var. obispoensis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  SBBG93268  Astragalus douglasii D. G. Nelson 1936-5-21 380 Riverside slopes just N of meadow in valley just E of Hurkey Crk Camp area, E of Lake Hemet and N of Mt Thomas Comment
  RSA741071  Astragalus douglasii var. parishii Scott D. White, Justin M. Wood 2008-6-5 12079 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA254139  Astragalus insularis var. harwoodii Noel Holmgren, Patricia K. Homgren, Ruth E. Kern 1973-3-22 6454 Riverside Rice Valley 7 miles south southwest of Rice. 274 Comment
  UCR18937  Astragalus insularis var. harwoodii John C. Roos, Lucille Roos 1949-4-10 4222 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mountains Comment
  UCSB45547  Astragalus insularis var. harwoodii Roos, John 1958-3-15 Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  UC862962  Astragalus nuttallianus var. imperfectus C. L. Hitchcock 1940-4-3 5935 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree National Monument); , ne of Cottonwood Spring Comment
  RSA525233  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross 1990-5-11 4610 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  CAS-BOT-BC192757  Astragalus palmeri S. B. Parish 1914-3-30 9096 Riverside San Felipe, Colado Desert Comment
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Aug 6 2019
  JOTR37474  Astragalus palmeri Hodges, Stephen, T. Green 2016-5-5 595 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  CSUSB1294  Astragalus pomonensis Annette Price 1962-4-22 042 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in open field in foothill woodland region, on Tenaja Road, 4 miles from Washington Ave. Comment
  CSUSB1295  Astragalus pomonensis I. S. Singh 1972-5-2 Riverside Highway 71, 5 miles south of Elsinore Comment
  HSC101369  Astragalus pomonensis John F. Green 2005-3-7 Riverside Peninsular Range: Wildomar, west of Grand Ave, off Sweet Nectar Rd. 415 Comment
  RSA524468  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4071 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
  RSA587543  Astragalus pomonensis D. L. Banks, S. D. Boyd 1995-6-2 0579 Riverside NW Palomar Mountains; Agua Tibia Mountains; NE of the Dorland Mountain area, N of the Agua Tibia Wilderness Area, E of Kolb Creek; Approximately 100 m E of the junction between the Woodchuck Road and Highway 79. 512 Comment
  UCR97259  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3983 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA0003063  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  RSA45535  Astragalus sabulonum J. C. Roos, L. Roos 1949-3-26 4119 Riverside Sandy flats 2 or 3 miles E of Mecca. Comment
  RSA19083  Athyrium filix-femina I. W. Clokey, E. G. Anderson 1935-8-21 6504 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  CLARK-A1528-2295  Athysanus pusillus John C. Roos 1947-3-21 3363 Riverside Reche Canyon Comment
  RSA543778  Athysanus pusillus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6025 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  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
  SEINET4073000  Athysanus pusillus O. M. Clark 1929-1 1945 Riverside South Hemet, southern California. Comment
  UCR112953  Athysanus pusillus B. G. Pitzer 1998-3-1 3552 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  JOTR36387  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3340 Riverside Joshua Tree National Park. Pleasant Valley: S of Hexie Mountains, on edge of road in playa 999 Comment
  UCR228638  Atriplex canescens subsp. canescens Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-20 145 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  SD80077  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-10-31 325 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  UCR228217  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7829 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  JEPS2765  Atriplex coronata var. notatior W. L. Jepson 1901-5-17 1240 Riverside San Jacinto Lake Bed San Jacinto Lake Comment
  RSA532569  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
  SEINET3931218  Atriplex coronata var. notatior D. Bramlet 1991-1 Riverside Comment
  UC1392858  Atriplex coronata var. notatior R. F. Hoover 1968-6-6 11154 Riverside 1 mi e Perris; e of Perris Comment
  UCD169503  Atriplex coronata var. notatior Mitch Provance 2005-5-17 6594 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. 396 Comment
  UCR66978  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2058 Riverside c. 6.3 km. west of Hemet, beside a dirt road in an open field, about 440 m west of intersection of Florida and Warren Streets, south side of Florida, c. 267 m from the road edge 500 Comment
  UCR90767  Atriplex davidsonii D. E. Bramlet 1993-5-16 2354 Riverside San Jacinto Valley, 5.8 km west of Hemet, 732m south of Florida Avenue and 244m west of Warren Road, 549m east of the MWD canal and 30m east of the San Diego Aqueduct. 456 Comment
  OBI17313  Atriplex hymenelytra H. E. McMinn 1937-3-6 5014 Riverside River road about 40 mi N of Blythe Comment
  SEINET4135666  Atriplex parishii var. parishii Howard C. Stutz, G. L. Chu 1995-6-29 9773 Riverside 2 mi. S of Hemet, 1/4 mi. E of end of California Ave.; 0 Comment
  SEINET4135543  Atriplex polycarpa David Charlton 1988-2-19 1200 Riverside Orocopia Mountains. Mudstone wash N of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca.; 0 762 Comment
  UCD97827  Atriplex serenana A. C. Sanders; K. C. Rose 1999-6-18 22830 Riverside Domenigoni Valley; upper Warm Springs Creek between Hwy 79 (Winchester Road) and Scott Road, Domenigoni Ranch, South of Winchester. 433 Comment
  UCR119421  Atriplex suberecta Mitch Provance 1998-6-20 709 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR201871  Atriplex suberecta Justin M. Wood 2008-9-22 154 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR23926  Avena barbata John C. Roos, L. Roos 1950-4-15 4738 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  UCR139033  Avena fatua D. L. Banks, V. W. Steinmann 1997-3-13 1448 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  VVC547  Avena fatua A. C. Sanders, J. Mac 1997-5-4 20649 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR277758  Azolla filiculoides Mitch Provance 2011-7-29 17040 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR96037  Baccharis brachyphylla A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19646 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  RSA655084  Baccharis emoryi Scott D. White 1999-11-12 7630 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA502921  Baccharis salicifolia Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  UCR189288  Baccharis salicifolia Fred M. Roberts, S. Leatherman 2007-9-19 6591 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SEINET10616771  Baccharis salicifolia Frederick M. Reed 1934-1-6 Reed 8686 Riverside Shrub growing on waste ground. 244 Comment
  JEPS40677  Baccharis salicifolia subsp. salicifolia L. M. Newlon 1922-4-3 443 Riverside Andreas Canyon Comment
  CAS-BOT-BC99871  Baccharis sergiloides John Thomas Howell 1928-1-30 3313 Riverside Cottonwood Spring, Colorado Desert Comment
  LA202997  Baccharis sergiloides Louis Wheeler; 1933-12-1 2292 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  RSA178643  Baccharis sergiloides C. B. Wolf 1932-10-12 4298 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA5607  Baccharis sergiloides C. B. Wolf 1932-10-12 4298 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  SD229070  Baccharis sergiloides Dick Schwenkmeyer 2012-5-22 731 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC1979618  Baccharis sergiloides D. L. Banks, Steve Boyd 1995-10-26 0831 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. Comment
  UCR28277  Bacopa monnieri B. Ballen 1982-12-27 588487 Riverside Sonoran (Colorado) Desert, Rancho Mirage. Lake edge at Desert Island Country Club, 71-777 Frank Sinatra Drive. 91 Comment
  RSA442014  Bahiopsis parishii N. C. Cooper 1944-4-8 1077 Riverside Andreas Canyon. 305 Comment
  RSA700064  Bahiopsis parishii Scott D. White, Michael Honer 2003-4-25 9095 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
  SD253370  Bahiopsis parishii A. C. Sanders 2015-9-11 41872 Riverside Sonoran Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  JOTR31219  Baileya pauciradiata La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2003 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 2) sand ramps, interspersed with basalt outcrops, sparsely vegetated 349 Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  POM308639  Baileya pleniradiata Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3210 Riverside Near Indio. Comment
  UCR268584  Barbarea orthoceras Jim Andre 2012-6-15 30549 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR221456  Bassia hyssopifolia Bill Wagner 2005-6-17 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  POM350777  Bebbia juncea A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  RSA519228  Bebbia juncea Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  LA203075  Bebbia juncea var. aspera Flora Murray Scott; 1928-3-24 sn Riverside Painted Canyon Comment
  UCR277610  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Adkins 2012-10-23 142 Riverside Sonoran (Colorado) Desert, off Corn Springs Rd. in Chuckwalla Wilderness and Chuckwalla Mtns., c. 4 miles south of I-10 427 Comment
  CLARK-A1528-171  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  RSA450130  Bidens pilosa J. C. Roos 1965-8-18 s.n. Riverside In Corona. Comment
  UCR172237  Bloomeria crocea John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  RSA34558  Boechera californica N. C. Cooper 1944-6-16 1427 Riverside San Jacinto Mountains, west side. 1372 Comment
  SD229113  Boechera californica Dick Schwenkmeyer 2012-4-17 697 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SBBG72285  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  CAS-BOT-BC14160  Boechera perennans C. L. Hitchcock 1940-4-1 5918 Riverside Cottonwood Spring wash. Comment
  RSA0062788  Boerhavia coulteri Duncan S. Bell, Evan Meyer 2014-10-22 7653 B 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
  RSA793474  Boerhavia coulteri Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 B Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  CAS-BOT-BC434531  Boerhavia intermedia F. H. Lewis 1939-10-23 1043 Riverside Pines to Palms Hiway, Colorado Desert 304 Comment
  UCR211474  Boerhavia intermedia Jim Andre, T. La Doux 2008-9-13 10279 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  CAS-BOT-BC540735  Boerhavia triquetra Sarah J. De Groot; Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  JOTR30838  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  POM246588  Boerhavia wrightii E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  RSA518305  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  RSA793475  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 A Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  SD247457  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi. SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  SEINET10389837  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 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
  UCR248093  Boerhavia wrightii Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4375 Riverside Sonoran (Colorado) Desert, Mecca Hills, upper branch of Hidden Spring Canyon, c. 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  SEINET7249055  Boraginaceae Dave Silverman, A. C. Sanders, Jeanette Duffels, Richard Dwerlkotte, Tammie Beyerl 2010-1 Riverside Comment
  CAS-BOT-BC145605  Bouteloua barbata var. barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles west of Blythe. Comment
  RSA716109  Bouteloua barbata var. barbata Michael Wall 2006-10-8 422 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  RSA0104626  Bouteloua curtipendula Duncan S. Bell 2015-9-30 8676 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR201433  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA463718  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 -1 Riverside Vista Grande Road (3508) 1.0 mi. E of Banning-Idyllwild Road (SH243). Comment
  CHSC25967  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill. 670 Comment
  UCR41529  Brandegea bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6103 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR166431  Brassica A. C. Sanders 1992-2-28 12036 Riverside University of California, Riverside. Botanic Garden 366 Comment
  UCR215512  Brassica geniculata Daphne K. Christopher, Hannah I. Stevens 2003-4-4 095 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  CLARK-A1656-706  Brassica tournefortii Theo Glenn 1979-2-11 Riverside Snow Creek Comment
  UCR92797  Brassica tournefortii Scott D. White 1994-3-29 1938 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CLARK-A1528-1664  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside Whitewater Canyon 609 Comment
  JEPS88669  Brickellia desertorum Annie M. Alexander and Louise Kellogg 1938-12-11 267 Riverside Lost Palm Canyon 685 Comment
  POM301772  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UCR13707  Brickellia desertorum N. R. Zabriskie, N. Bercovitz 1971-11-15 463 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, E slope San Jacinto Mtns. 306 Comment
  UCR20317  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, E side Whitewater Canyon, 2.2 mi. north of Hwy 99 [=I-10]; W side of Painted Hill 612 Comment
  UCR23692  Brickellia desertorum John C. Roos 1946-9-14 3023 Riverside Santa Rosa Mountains, Pines-to-Palms Highway. 1100 Comment
  CLARK-A1528-1675  Brickellia incana John C. Roos 1965-6-23 Riverside Lost Palms Wash Comment
  UC279716  Brickellia incana Edmund C. Jaeger 1926-2-20 Riverside near Salton (Canon Springs); Canon Springs Comment
  UC473480  Brodiaea filifolia John Thomas Howell 1930-5-10 4790 Riverside clay flats, 2 mi S of Perris Comment
  CAS-BOT-BC149330  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside 8th Street, Riverside. Comment
  CAS-BOT-BC149440  Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  CAS-BOT-BC221150  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37794 Riverside Peninsula 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
  UCR125474  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  UCR102758  Bromus diandrus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3581 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  SD136965  Bromus hordeaceus Steve Boyd 1992-4-14 6794 Riverside Santa Ana Mts.; San Mateo Cyn Wilderness area; Along Verdugo Trail from Tenaja Tr to Bluewater Tr in upper watershed of Bluewater Cyn; S of Sitton Pk; 792 Comment
  UCD58491  Bromus hordeaceus subsp. divaricatus E. W. Lathrop 1960-6-7 4850 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  UC34040  Bromus madritensis subsp. rubens H. M. Hall 1901-6-10 2074 Riverside San Jacinto Mountain, Chalk Hill Chalk Hill; San Jacinto Mountain, Chalk Hill Comment
  UCR120195  Bromus rubens Mitch Provance 1998-3-6 145 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  RSA0020665  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3637 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  RSA784946  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA86998  Caesalpinia virgata F. W. Peirson 1930-3-1 8691 Riverside Open desert at foot of Painted Canyon, near Mecca. Comment
  SEINET4009128  Caesalpinia virgata G. T. Manthey 1977-1 1610 Riverside About 10 miles wast of Mecca, on road going to Joshua Tree National Forest. Comment
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Jul 19 2015
  SEINET7347688  Caesalpinia virgata N. H. Holmgren, P. K. Holmgren 1974-3-23 7462 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  POM280839  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  RSA180250  Calandrinia ciliata E. W. Lathrop 1965-4-18 s.n. Riverside 10 miles west of Murrieta. Comment
  UCR225576  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38873 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR225584  Calandrinia ciliata A. C. Sanders 2011-3-29 38864 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR241947  Calandrinia ciliata A. C. Sanders, Timothy W. Chumley 2013-3-28 40706 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 393 Comment
  POM13644  Callitriche marginata P. A. Munz 1922-5-18 5325 Riverside 1/2 mile south of Lake Elsinore. Comment
  RSA572048  Calocedrus decurrens C. Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mountains; on mountainside. 1584 Comment
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Sep 22 2013
  SEINET3208897  Calocedrus decurrens G. Goodwin 2012-6-14 3452 Riverside San Jacinto Mountains, south of Idyllwild adjacent to highway 243 1680 Comment
  UC813614  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  UCR131460  Calocedrus decurrens June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  UCR1199  Calochortus albus Bennie Brist 1960-5-7 s.n. Riverside Santa Ana Mtns., along Hwy 74 near W boundary of Riverside Co. 610 Comment
  CAS-BOT-BC483419  Calochortus invenustus R. Bacigalupi 1925-7-2 1243 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1767 Comment
  UC3447  Calochortus plummerae H. M. Hall Jun 1901 2015 Riverside Canyon of the San Jacinto River San Jacinto Mountains 762 Comment
  RSA648019  Calochortus splendens Bruce Albert 1982-4-17 57 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  UCR273986  Calochortus splendens Mitch Provance 2012-4-27 412- 31 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR60910  Calochortus weedii var. intermedius Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3720 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam 488 Comment
  CAS-BOT-BC497281  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 365 Comment
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Dec 10 2018
  RSA680491  Calochortus weedii var. weedii Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9594 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  RSA234072  Calycadenia tenella R. F. Thorne 1969-5-19 37980 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA525319  Calycadenia tenella Steve Boyd 1990-4-29 4473 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA561883  Calycadenia tenella Steve Boyd 1992-6-10 7626 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR48513  Calycadenia tenella Steve Boyd 1986-5-7 1837 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA81019  Calycoseris parryi G. R. Campbell 1952-4-6 18408 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 975 Comment
  VVC2465  Calycoseris wrightii Tim Thomas 2013-3-18 5935 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCD100286  Calyptridium monandrum Steve Boyd 1986-3-1 1359 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  UC130501  Calyptridium parryi var. parryi Charlotte M. Wilder 1909-7-10 942 Riverside head of Willow Creek (on trail to Round Valley, near log cabin) 2804 Comment
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Apr 2 2008
  CSUSB954  Calystegia macrostegia Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  LA50072  Calystegia macrostegia subsp. cyclostegia W. Pequegnat; 1938-4-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  RSA422171  Calystegia occidentalis subsp. fulcrata Robert L. Rutherford 1945-6-17 1667 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA507460  Camissonia D. C. Hawks 1986-4-15 s.n. Riverside Whitewater River area, ca 1 mi. SW of Garnet, 1/2 mi. S. of Hwy I-10 and 1/2 mi. W of Indian Avenue., UTM grid cell NH-N5, E4 (Garnet). 213 Comment
  RSA524613  Camissonia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3936 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  CSUSB951  Camissonia bistorta Charlotte M. Bringle, Heather Johnston 1967-4-22 Riverside Near Lake Elsinore, 2.2 miles south of Santa Fe overpass on Highway 71, and 50 feet south of Glen Eden mail box. In canyon. Comment
  GMDRC6549  Camissonia bistorta J. M. Andre 2012-6-15 30501 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA711220  Camissonia bistorta A. C. Sanders 2004-4-9 27471 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  RSA784971  Camissonia brevipes Duncan S. Bell 2012-3-18 3214 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR208854  Camissonia brevipes Scott D. White 2001-4-17 8335 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  UCR103556  Camissonia brevipes subsp. brevipes George K. Helmkamp 1998-1-17 2545 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  RSA339645  Camissonia californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54238 Riverside San Bernardino Mountains: rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater PO and Highway 10. Comment
  UCR96880  Camissonia californica Scott D. White 1993-3-12 1183 Riverside Near Winchester 466 Comment
  POM3227  Camissonia cardiophylla I. M. Johnston 1917-4-4 1083 Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR168277  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Sonoran (Colorado) Desert, Painted Canyon 91 Comment
  UCR18418  Camissonia chamaenerioides A. C. Sanders, S. Hagopian 1977-4-17 451 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, Irish Wash near Corn Springs 671 Comment
  RSA781810  Camissonia claviformis Duncan S. Bell 2010-5-1 889 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR60768  Camissonia claviformis Steve Boyd, Orlando Mistretta 1986-3-13 1410 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  POM14095  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4775 Riverside Shavers Well, near Mecca. 76 Comment
  POM6848  Camissonia claviformis subsp. aurantiaca P. A. Munz, L. T. Street, G. Williams 1919-3-27 2353 Riverside Salton Sea Comment
  RSA449213  Camissonia claviformis subsp. aurantiaca Robert M. Perkins, H. de Forest 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  UCR103325  Camissonia claviformis subsp. claviformis George K. Helmkamp 1998-2-5 2637 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  POM158464  Camissonia confusa P. A. Munz 1927-5-20 10819 Riverside 10 miles S. of Hemet. Comment
  UCR117392  Camissonia confusa S. J. Myers 1991-4-15 91- 3 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  RSA503  Camissonia hirtella J. T. Howell 1927-8-2 565 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  POM13246  Camissonia intermedia P. A. Munz, I. M. Johnston 1922-5-19 5354 Riverside 5 miles NE of Murietta. 457 Comment
  UCR201508  Camissonia intermedia Scott D. White, Justin M. Wood 2008-6-18 12208 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA278984  Camissonia pallida subsp. pallida Barry A. Prigge, L. Martinez 1978-3-23 2437 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR216354  Camissonia pallida subsp. pallida Mike Bell 2008-3-19 044 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  RSA144820  Camissonia refracta E. G. Linsley, J. W. MacSwain 1960-3-2 60 -5 Riverside 2 miles west of Desert Center. Comment
  CLARK-A1528-665  Camissonia strigulosa Charlotte Stocks 1963-4-28 Riverside Box Canyon Comment
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Jul 7 2020
  POM13205  Camissonia strigulosa P. A. Munz, I. M. Johnston 1922-5-20 5466 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA593998  Camissonia strigulosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 941 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UC140596  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
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Mar 24 2011
  UCR201464  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-5-15 11974 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  SBBG60416  Camissoniopsis bistorta M. N. Ackley 1928-3-10 751 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SDSU3328  Camissoniopsis bistorta H. Wedberg 1958-3-30 196 Riverside City of Perris At Cajalco Road (Lake Mathew road) roadside, 6.1 mi west of Hwy 395 and 0.2 mi. west of Cajalco Fire Station. 458 Comment
  SBBG89039  Camissoniopsis confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto River Valley at the mouth of Bee Cyn 609 Comment
  UCSB10494  Camissoniopsis ignota Breedlove, Dennis 1962-3-11 Riverside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  UC874016  Camissoniopsis pallida subsp. pallida Lewis S. Rose 1937-4-9 37092 Riverside Cabazon 563 Comment
  UCR166099  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16206 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
  UCSB4467  Camissoniopsis pallida subsp. pallida Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone, Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  CLARK-A1528-349  Capsella bursa-pastoris C. M. Flanagan 1973-5-20 OO 514 Riverside Morongo Indian Reservation 1158 Comment
  UCR109466  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside City of Riverside, UCR campus 367 Comment
  UCR56079  Carex J. A. Adams 1966-4-28 748 Riverside Santa Rosa Plateau, dirt road from Murrieta to De Luz. 15 mi east of De Luz 762 Comment
  UCR92649  Carex barbarae F. M. Reed 1930-3-7 6770 Riverside San Jacinto Mountains, cienega in Indian [Creek] Canyon, NE of San Jacinto. 762 Comment
  CAS-BOT-BC21915  Carex heteroneura H. E. Hasse 1903-6-1 s.n. Riverside Round Valley. S. Jacinto Mountain. 2895 Comment
  CAS-BOT-BC32037  Carex multicaulis Peter H. Raven 1959-5-17 14229 Riverside San Jacinto Mts., Lake Fulmor. Comment
  RSA633879  Carex nebrascensis Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38142 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR40571  Carex occidentalis A. C. Sanders 1980-7-22 1703 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  RSA544377  Carex praegracilis Steve Boyd, Timothy S. Ross 1991-6-14 3692 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UC72470  Carex praegracilis H. M. Hall June, 1901 2664 Riverside Fuller's Mills Mountains San Jacinto Mountains 1584 Comment
  UCR158885  Carex praegracilis Scott D. White 1994-6-14 2059 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UC729842  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  RSA614159  Carex triquetra Darin L. Banks 1997-2-23 1318 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCD105617  Cassia nemophila A. C. Sanders; K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. 10 Comment
  UCR41641  Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6041 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SDSU10537  Castilleja affinis D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  JOTR31005  Castilleja chromosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1288 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  SBBG35075  Castilleja exserta T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  UCR152522  Castilleja exserta A. C. Sanders 2005-4-22 29616 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  SEINET7063419  Castilleja exserta subsp. exserta A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile below the dam in Railroad Canyon east of Lake Elsinore. UTM Zone 11, 469824mE, 3727524mN. (WGS84/NAD83). 402 Comment
  JEPS16163  Castilleja foliolosa Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4073 Riverside halfway between Santa Rosa Mountains and San Jacinto Mts. (along the Palms-to-Pines Hwy (CA Hwy 74), above Seven Level Hill, w slopes of Deep Canyon, bordering w Coachella Vlly); Deep Canyon, Coachella Valley 1066 Comment
  UCR165850  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA0046825  Castilleja foliolosa Tamara Joy Hanna 1991-5-4 1 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  POM42518  Castilleja pruinosa Marcus E. Jones 1882-6-29 s.n. Riverside [Unspecified] Comment
  JOTR16634  Caulanthus cooperi Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH JUMBO ROCKS 1280 Comment
  SBBG2587  Caulanthus lasiophyllus H. and M. Dearing 1936-12-12 507 Riverside N of Indio Comment
  RSA500186  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3205 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA0043377  Caulanthus major John F. Emmel 1996-6-16 1409 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  RSA755790  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-3-21 DOB 803 c Riverside San Jacinto Mountains at intersection of Chimney Flats Road and USFS Road 5S13, 2.8 road miles from highway 243 via Toll Gate Road, Apela Drive, and USFS roads 5S24 and 5S13, 4.57 kilometers 257 degrees true west-southwest of Idyllwild. 1440 Comment
  CAS-BOT-BC51283  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above Fish Hatchery 792 Comment
  UC1979666  Ceanothus leucodermis Darin L. Banks, Steve Boyd 1995-3-16 98 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCSB4009  Ceanothus leucodermis Gill, Robert 1960-3-23 Riverside Snow Canyon - near end of road 563 Comment
  RSA0019585  Ceanothus leucodermis Toppenberg 1961-5-12 s.n. Riverside Hwy to Idyllwild, Beaumont side. Comment
  SEINET11192040  Ceanothus oliganthus subsp. oliganthus C. L. Schmidt 1995-3-25 1315 Riverside ca. 10 miles S of Hemet R3 (Sage Road) St. John's Canyon, close to McGee Hills. 610 Comment
  RSA221090  Ceanothus palmeri E. W. Lathrop 1966-3-30 6120 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  UCR3421  Ceanothus perplexans Heidi A. Haid 1964-5-10 64510- 9 Riverside Peninsular Range; San Jacinto Mtns., Cahuilla Valley, Hwy 71 [=371], 8 miles south of Hwy 74 junction 1220 Comment
  UCR35173  Ceanothus perplexans L. B. Ziegler 1969-4-21 349 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  UC56264  Ceanothus tomentosus H. M. Hall 1902-4-1 2896 Riverside Near Sage 609 Comment
  UCR114753  Ceanothus tomentosus Scott D. White, D. E. Bramlet 1999-4-22 7234 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, 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 482 Comment
  UCR92333  Centaurea solstitialis Scott D. White, M. Wilcox 1995-7-13 3473 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA69871  Centaurea solstitialis J. C. Roos 1951-9-25 5253 Riverside Fairmount 259 Comment
  RSA0055011  Centaurium exaltatum James R. Shevock 1971-9-18 1310 Riverside Vail Lake. 457 Comment
  RSA191405  Centaurium venustum E. W. Lathrop, Robert F. Thorne 1967-9-26 6651 Riverside 6 miles NW of Murrieta. Comment
  UCR22142  Centaurium venustum Steve Boyd 1980-6-4 315 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC288826  Centromadia parryi subsp. australis James I. McMurphy 1916-8-13 s.n. Riverside Temecula Comment
  SD6128  Centrostegia thurberi 1917-5-1 Riverside Mojave Desert near Hesperia Comment
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Nov 20 2011
  CAS-BOT-BC388360  Cerastium glomeratum A. C. Sanders; G. Helmkamp 1996-3-17 17983 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail 163 Comment
  UCR108366  Ceratophyllum demersum L. C. Wheeler 1961-6-24 7912 Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA232956  Cercidium floridum D. A. Young 1969-4-18 P- 320 Riverside 3 miles SE of Hwy 74 ( approx. 8 miles S of Palm Desert, Cali.) on Carriage Trail road near the Deep Canyon Research Station. 366 Comment
  RSA405363  Cercidium floridum W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
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Apr 1 2019
  CSUSB1862  Cercocarpus betuloides A. H. Wheeler 1974-7-22 Riverside San Jacinto Mountains Palms To Pines Highway- Juniper Flats 1219 Comment
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Dec 4 2011
  UCR18833  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  POM13455  Chaenactis artemisiifolia Philip A. Munz 1922-5-19 5353 Riverside 5 miles NE of Murietta. 457 Comment
  SDSU13518  Chaenactis artemisiifolia W. Miller with C. Mosse 1972-7-12 Riverside West of M.W. D. Station. Comment
  CAS-BOT-BC276397  Chaenactis carphoclinia F. O. Ballow 1926-2-27 s.n. Riverside Painted Canyon Comment
  SD185127  Chaenactis carphoclinia John F. Green 2005-3-14 Riverside East of north shore of Salton Sea, northnortheast of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29. 24 Comment
  RSA0130726  Chaenactis carphoclinia Glen Rink 2013-3-18 11878 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  LA203117  Chaenactis carphoclinia var. carphoclinia A. M. Johnson; 1928-5-5 360 Riverside Painted Canyon Comment
  POM351671  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1903-5-3 2250 Riverside Thermal. Comment
  RSA735324  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11291 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
  UC310585  Chaenactis carphoclinia var. carphoclinia Philip A. Munz 1926-1-31 9953 Riverside Dos Palmas Colorado Desert, Dos Palmas Comment
  OBI8303  Chaenactis fremontii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12067 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd, 5.5 mi N of Cottonwood campgrounds Comment
  RSA21754  Chaenactis fremontii C. B. Wolf 1937-4-6 8426 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  SEINET2042093 Image available Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  UC1478689  Chaenactis fremontii Barry Prigge with L. Martinez 1978-3-23 2416 Riverside 1.2 mi e of Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UC1539719  Chaenactis fremontii Chas. B. Fiker 1946-4-16 3414 Riverside w side of Colorado Desert Comment
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Mar 23 2014
  RSA93812  Chaenactis fremontii F. W. Peirson 1926-2-22 6501 Riverside On talus slope east of bridge over Whitewater River, head of Coachella Valley Comment
  UCR187494  Chaenactis glabriuscula Theresa Johnson 2006-5-22 118 Riverside Peninsular Range, southern Durasno Valley, Silverado site, 5 miles SSW of Anza 1311 Comment
  UCR213851  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  POM351767  Chaenactis glabriuscula var. glabriuscula Robert L. Rutherford 1945-6-17 1674 Riverside Burned Canyon, Banning. 1220 Comment
  UC63008  Chaenactis glabriuscula var. glabriuscula W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Chalk Hill San Jacinto Mt., Chalk Hill 1524 Comment
  UC63011  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2036 Riverside s side of San Jacinto Mts. 1341 Comment
  UC63022  Chaenactis glabriuscula var. lanosa H. M. Hall May 1899 1141 Riverside Kenworthy San Jacinto Mtns 1432 Comment
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Mar 25 2011
  CAS-BOT-BC284348  Chaenactis stevioides H. M. Hall 1905-5-1 6018 Riverside Cottonwood Springs, Colorado Desert 670 Comment
  JEPS8866  Chaenactis stevioides W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1414 Riverside Van Deventer's Comment
  POM351836  Chaenactis stevioides var. stevioides L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA793610  Chamaesyce Duncan S. Bell, Aaron Sedgwick 2012-9-13 4203 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  RSA792549  Chamaesyce abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  JOTR30954  Chamaesyce albomarginata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1929 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA602099  Chamaesyce albomarginata L. C. Wheeler 1955-6-16 7161 Riverside 1 mile W of Santa Rosa Summit, on Palm Pines Highway. Comment
  RSA619314  Chamaesyce albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  RSA614334  Chamaesyce maculata George K. Helmkamp, E. A. Helmkamp 1997-1-8 1279 Riverside Palm Springs. Lawn at El Cielo and Tahquitz-McCallum. 152 Comment
  RSA0020040  Chamaesyce micromera Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6012 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  SEINET4358093 Image available Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  RSA628535  Chamaesyce serpillifolia A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22212 Riverside Morongo Indian Reservation, East Branch of Millard Canyon 1128 Comment
  RSA599303  Chamaesyce setiloba L. C. Wheeler 1954-9-25 7096 Riverside South end of Mule Mountains, near Ripley. Comment
  RSA608166  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10052 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA685683  Cheilanthes clevelandii M. B. Dunkle 1934-6-18 3991 Riverside Upper San Juan Canyon. Comment
  UC199915  Cheilanthes clevelandii S. B. and W. F. Parish April, 1882 508 Riverside Potrero San Jacinto Comment
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Nov 9 2009
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  JOTR16825  Cheilanthes covillei Supernaugh, William JR. 1967-2-16 57 Riverside Joshua Tree National Park. 1/4 MILE SOUTH OF RYAN HOMESTEAD 1341 Comment
  RSA0123694  Cheilanthes covillei Duncan S. Bell, LeRoy Gross 2016-3-30 9161 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
  SEINET903950  Cheilanthes covillei Norman C. Cooper 1944-1 1193 Riverside Banning. 701 Comment
  UCR261572  Cheilanthes newberryi Joseph Cahill 2011-1-8 111- 05 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
  RSA615511  Cheilanthes parryi L. C. Wheeler 1952-12-15 7026 Riverside Riverside Mountains: Mountaineer Mine. . Comment
  UCR41455  Cheilanthes parryi A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6133 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  POM9932  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  SD70909  Chenopodium album Helen V. Witham 1969-7-2 180 Riverside De Luz Creek crossing, 4 mi north of De Luz. Comment
  UCR114542  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1999-6-18 22810 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR93232  Chenopodium botrys A. C. Sanders, S. Ogg 1994-7-28 15184 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  UCR114326  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside, Prenda area, south side of Hermosa St., c. 0.25 mile west of the intersection with Washington St. 610 Comment
  UCR193972  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  RSA740960  Chenopodium pumilio Scott D. White, Justin M. Wood 2008-6-18 12216 Riverside K Flat Meadow. 1433 Comment
  UCR22144  Chenopodium pumilio Steve Boyd 1980-9-22 355 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  CAS-BOT-BC231787  Chilopsis linearis H. E. McMinn 1925-7-1 1479 Riverside Palm Canon [Canyon] Comment
  UCSB47186  Chilopsis linearis Hornemann, D. 1977-2-27 Riverside Box Canyon Wash 60 Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  RSA19547  Chilopsis linearis subsp. arcuata Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 S.N. Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UC489077  Chimaphila menziesii C. V. Meyer 1928-6-14 451 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  RSA615389  Chloris truncata A. C. Sanders 1997-3-26 200095 Riverside Lake Skinner area: N edge of Temecula vinyard district, Borel Road, 0.1 mile W of turnoff to Lake Skinner (33 deg 34'N, 117 deg 02'W; Bachelor Mt. 7.5 Quad: T7S R2W NE/4 Sec.13). Alt. 488 m/ 1600 ft. 488 Comment
  UCR2285  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Riverside, on the Bell lot, Massachusetts Avenue 290 Comment
  UC63965  Chlorogalum parviflorum Miss Ella Foster 1897-5-15 534 Riverside Menifee Menifee (Southern California) Comment
  CAS-BOT-BC39669  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area. Diamond Valley, along State Street (R3) ca. 0.5 mile north of Newport Road. South of Hemet 488 Comment
  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
  HSC28452  Chorizanthe brevicornu var. brevicornu Richard Spjut 1973-4-5 3267 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  POM2177  Chorizanthe brevicornu var. brevicornu I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA721888  Chorizanthe brevicornu var. brevicornu J. Mark Porter, Orlando Mistretta 2003-6-5 13617 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  UC849122  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring Comment
  UCR20757  Chorizanthe brevicornu var. brevicornu A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1324 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA715070  Chorizanthe coriacea A. C. Sanders, D. Malueg 2003-5-8 26576 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  CAS-BOT-BC191854  Chorizanthe corrugata Frank W. Peirson 1927-4-12 7175 Riverside Painted Canyon, near camp at forks Comment
  CLARK-A1528-3599  Chorizanthe fimbriata John C. Roos 1937-4-23 1807 Riverside White Water Comment
  RSA407722  Chorizanthe fimbriata Steve Boyd 1986-5-1 1785 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  SD245440  Chorizanthe fimbriata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  CAS-BOT-BC191353  Chorizanthe leptotheca John Thomas Howell 1927-8-2 2926 Riverside top of Control on road to Hemet, Mt. San Jacinto 1371 Comment
  UCR217641  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 134 Riverside San Jacinto Mountains, East of Valle Vista, north of Cranston Ranger Station, along San Jacinto River 572 Comment
  SEINET3132306  Chorizanthe parryi var. parryi K. Brandegee 1905-5-12 sn Riverside Riverside Comment
  UC1929714  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside SAN BERNARDINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  UCR104614  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-25 2359 Riverside Santa Ana Mtns, Elsinore Mtns., c. 730 m SW of Grand Ave. and 305 m SW of Akley Street. 1.7 km NE of Forest Service Road 6S07 Comment
  UCR174164  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32606 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
  UC2029936  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10408 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  SEINET7063455  Chorizanthe procumbens A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  UCR90406  Chorizanthe procumbens D. L. Banks, Steve Boyd 1995-5-9 0389 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  JOTR35338  Chorizanthe rigida Harding, Mitzi, Mark Wheeler 2012-2-28 104 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  RSA701086  Chorizanthe rigida Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11243 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  POM265700  Chorizanthe uniaristata J. C. Roos 1937-4-23 1807 Riverside At Whitewater. Comment
  CAS-BOT-BC248057  Chorizanthe xanti var. leucotheca E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Temescal Canyon, between Corona and Elsinore 350 Comment
  RSA601162  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. 884 Comment
  POM188066  Chrysothamnus nauseosus subsp. bernardinus L. Crutcher 1933-8-23 21 Riverside Long Valley, San Jacinto Mts. Comment
  UCR279347  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-23 42936 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  UCR245256  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21294 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  SBBG60504  Chylismia cardiophylla subsp. cardiophylla Anstruther Davidson 1893-1 Riverside Agua Caliente Springs Comment
  UCSB4425  Chylismia claviformis subsp. aurantiaca Beeks, Richard 1952-4-4 Riverside US 99; opposite Twenty Nine Palms turnoff Comment
  UC1922422  Chylismia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR276075  Cirsium occidentale T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3800 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  CAS-BOT-BC289649  Cirsium occidentale var. californicum R. M. Howie 1952-9-22 s.n. Riverside San Timoteo Canyon, west of Beaumont Comment
  POM301814  Cirsium occidentale var. venustum James E. Cole 1942-5-10 958 Riverside Joshua Tree National Monument 1341 Comment
  CAS-BOT-BC286461  Cirsium scariosum Cecil Hart 1922-5-21 26 Riverside San Jacinto Mt. Comment
  UCR201465  Cirsium scariosum Scott D. White, Justin M. Wood 2008-5-15 11975 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  POM48378  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  SD144144  Cladium californicum A. C. Sanders, P. MacKay, et al 1994-12-4 15878 Riverside Colorado desert; Salton Sea sink; Dos Palmas Oasis area; San Andres palm grove, 1.75 Km (1.1 miles) west south west of Rancho Dos Palmas, marked seep on Durmid 7.5' Quad. Comment
  UCR158089  Clarkia A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20683 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  RSA561136  Clarkia bottae Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7339 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. 366 Comment
  OBI35627  Clarkia dudleyana Louis B. Ziegler 1972-6-5 473 Riverside San Jacinto Mts-in cyn at lower end of Poppet flats 1067 Comment
  UC20307  Clarkia dudleyana H. M. Hall June 1901 2265 Riverside in canyons of the w side San Jacinto Mountains 1524 Comment
  CAS-BOT-BC163866  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  CSUSB228  Clarkia purpurea subsp. quadrivulnera Lynn Baasch 1971-5-22 Riverside DeLuz Road, 4 miles north of Garnsay's Lake, southeast of road, grassey bank. Comment
  UC1520010  Clarkia purpurea subsp. quadrivulnera Robert Gustafson, Gary Wallace 1983-6-23 2718 Riverside Mesa de Burron Santa Ana Mts., Santa Rosa region 701 Comment
  JOTR30648  Claytonia parviflora subsp. utahensis La Doux, Tasha, Erin Babich 2008-4-21 1808 Riverside Joshua Tree National Park. Stop 7- Little San Bernardino Mountains, Upper East Deception Canyon 1327 Comment
  UCR49233  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA585627  Claytonia perfoliata subsp. perfoliata D. L. Banks, Steve Boyd 1995-3-15 0062 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  RSA314403  Clematis ligusticifolia Robert F. Thorne, Kay L. Wright, Ricahrd K. Benjamin 1982-10-8 55396 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UC667312  Clematis pauciflora Annie M. Alexander and Louise Kellogg 1941-5-4 2115 Riverside Joshua Tree Nat'l Monument, Barker Dam 1310 Comment
  UCD169470  Clematis pauciflora Scott D. White 1995-4-5 2735 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Street at ' T ' intersection with Central, in town of Nuevo. 487 Comment
  UCR120194  Clematis pauciflora Mitch Provance 1998-3-7 146 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  RSA188725  Cleome isomeris H. U. Stauffer, R. F. Thorne 1964-5-5 5922 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  RSA440809  Cleome isomeris Robert Gustafson 1981-4-7 2150 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA618415  Cnicus benedictus D. L. Banks 1997-5-5 1961 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  SJSU11586  Collinsia concolor N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3.5 mi E of E shore, Lake Elsinore Comment
  UCR42324  Collinsia concolor N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 168 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA0117410  Collinsia concolor R. C. Bacigalupi, Gene Newcomb 1954-4-25 4401 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  SBBG47466  Collinsia heterophylla N. C. Cooper 1944-6-17 1429 Riverside Pine Cove 1371 Comment
  UCR115429  Collinsia heterophylla Scott D. White, D. E. Bramlet 1999-4-22 7240 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR24482  Collinsia heterophylla John C. Roos 1950-4-15 4733 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  UCR92231  Collinsia heterophylla D. L. Banks, Steve Boyd 1995-5-3 0263 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
  SEINET2445248  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 Riverside San Bernardino Mtns. Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. Forest Falls 7.5' Q.; 0 1341 Comment
  CLARK-A1528-3912  Colubrina californica John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  HSC28498  Colubrina californica Richard Spjut 1973-4-10 3296 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  SBBG71425  Colubrina californica I. M. Johnston 1930-6-15 Riverside N of Mecca-Blythe Rd at SW end of Eagle Mtns Comment
  UCD112186  Condalia globosa var. pubescens Robert Cowell 1959-5-4 s.n. Riverside North of the Bradshaw Stage Road, 0.75 mile east of the Imperial Gas Line Road, between Chocolate and Chuckwalla Mountains. Comment
  RSA554286  Conyza bonariensis Scott D. White 1992-2-25 92 -10 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  UCR132920  Cordylanthus rigidus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA412306  Cordylanthus rigidus subsp. setiger Albert J. Perkins 1916-9-2 s.n. Riverside Idyllwld. Comment
  UC1523633  Cordylanthus rigidus subsp. setiger Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61201 Riverside Cole Canyon Santa Rosa Plateau, Nature Conservancy Reserve 535 Comment
  CAS-BOT-BC287882  Coreopsis californica A. C. Sanders; K. Rose 1995-4-5 16357 Riverside San Bernardino Mts/Coachella Valley: S of Mission Creek and E of Highway 62 700 Comment
  RSA585647  Coreopsis californica var. californica D. L. Banks, Steve Boyd 1995-3-16 0083 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. 506 Comment
  UC1211956  Corethrogyne filaginifolia Otto T. Solbrig 1958-8-18 2759 Riverside on Hwy 78 2 mi w Temecula (w side of stream on road bank) Comment
  RSA588810  Corethrogyne filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-17 0763 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SFV18009  Cornus nuttallii J. D. Dilley 1999-7-26 383 Riverside San Jacinto Mountains 0.25 miles south of Dark Canyon Camp on road from San Jacinto State Park. 1799 Comment
  RSA0042781  Cornus nuttallii Nancy Anderson 1955-5-22 s.n. Riverside Dark Canyon. 1676 Comment
  RSA656148  Coryphantha alversonii Clarence Bonner 1961-12-1 s.n. Riverside Eagle Mountain Range: East end of the Eagle Mountains near Eagle Mountain pumping station, Metropolitan Water District Aqueduct. 305 Comment
  UCR19712  Crassula aquatica John C. Roos 1952-4-9 5514 Riverside Rolling flats at Edgemont, near Box Springs 488 Comment
  UCR111585  Crassula connata Mitch Provance 1999-5-4 1689 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR174165  Crassula connata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32639 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA654969  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 23637 Riverside Perris-Anuanga Basin Region: French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., ca. 0.5 km NE of Adobe Spring E. 409 Comment
  SD253431  Cressa truxillensis Mitch Provance 2013-6-16 613 19 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, ca. 0.4 mile west of Van Buren. 226 Comment
  UCR40461  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  JOTR29573  Croton californicus Andre, Jim 2006-4-26 6777 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  OBI75913  Croton californicus James M. Andre 2011-2-9 15946 Riverside Coachella Valley; along Varner Rd between Desert Hot Springs and Palm Desert; 2 mi N of I-10 189 Comment
  POM293088  Croton californicus Lyman Benson 1946-4-15 12021 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
Read comments
Jun 10 2008
  RSA184046  Croton californicus var. mohavensis I. L. Wiggins 1966-11-22 20461 Riverside Along Highway 60 about 1.5 mi. SE of garnet Hill. Comment
  RSA575953  Crypsis schoenoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  SEINET9359277  Cryptantha Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  JOTR35370  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 164 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA479850  Cryptantha angustifolia L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado Desert, Palo Verde Mesa, W of Blythe. South of Hwy 1-10 at the W end of 16th St. (approx sec. 4) 99 Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SBBG6232  Cryptantha angustifolia H. and M. Dearing 1942-2-6 4799 Riverside Cathedral City Comment
  SBBG6234  Cryptantha angustifolia C. H. Muller 1952-4-6 9503 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  SEINET3071824  Cryptantha angustifolia Marc A. Baker, Michelle Cloud-Hughes 2011-12-18 17505 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  UCR18176  Cryptantha angustifolia A. C. Sanders 1978-4-2 00183 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR214419  Cryptantha angustifolia A. C. Sanders 2010-3-15 37421 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  JOTR35391  Cryptantha barbigera Stoughton, Thomas, S. DeGroot, N. Fraga, D. Fraker, A. Sedgwick 2012-4-28 1509 Riverside Joshua Tree National Park. Coxcomb Mountains, SE Coxcombs, foothills 835 Comment
  POM311695  Cryptantha barbigera Wm. Jeffrey 1957-4-3 145 Riverside 1 mile from mouth of Whitwater Canyon. 610 Comment
  POM368288  Cryptantha barbigera Robert Gustafson 1983-3-27 2487 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  JOTR34275  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3290 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  POM368351  Cryptantha circumscissa Christopher Davidson 1973-4-19 1997 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA784959  Cryptantha holoptera Duncan S. Bell 2012-2-12 3117 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC1186497  Cryptantha holoptera Peter M. Ray 1949-3-12 1391 Riverside e of Mecca; Orocopia Mountains, Painted Canyon Comment
  POM293650  Cryptantha intermedia Lyman Benson 1946-4-15 12027 Riverside 2 miles east of Banning, Colorado Desert 609 Comment
  RSA691983  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-2 8917 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  UCD119841  Cryptantha intermedia Dave Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75 miles (airline) NE of Aguanga, SE of intersection of Dove and Sycamore Streets, south of Highway 371. 762 Comment
  UCR174947  Cryptantha intermedia Jennifer H. Jones, Toby Bartels 2006-4-23 275 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR239597  Cryptantha intermedia O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; hills above UCR Botanical Garden 436 Comment
  POM9604  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  RSA678413  Cryptantha intermedia var. intermedia Michael Wall 2003-4-6 259 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  UCR281023  Cryptantha maritima Fred M. Roberts 2016-3-5 8001 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC24830  Cryptantha micrantha H. M. Hall May 1901 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCSB12462  Cryptantha micrantha Dearing, Hugh; Dearing, Margaret 1942-2-5 Riverside Cathedral City Comment
  SEINET12280852  Cryptantha micrantha Unknown 1936-1 12847 Riverside Colorado Desert 5 mi N of Palm Springs Comment
  UCR196107  Cryptantha micrantha var. lepida Jim Andre 2006-4-6 8145 Riverside S Mojave Desert, Joshua Tree National Park, along 1.7 mile loop trail just south of Black Rock Visitor Center 1228 Comment
  POM157916  Cryptantha microstachys P. A. Munz 1927-5-20 10822 Riverside 10 miles S. of Hemet. Comment
  RSA543935  Cryptantha microstachys Steve Boyd 1991-5-10 6213 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA650981  Cryptantha microstachys Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA679821  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UC1595623  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside w flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR120624  Cryptantha muricata Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2304 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0079246  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA0106708  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UCR102700  Cryptantha nevadensis B. G. Pitzer 1998-1-24 3383 .1 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
  RSA777442  Cryptantha pterocarya var. cycloptera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 973 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR38134  Cryptantha pterocarya var. cycloptera J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA0078923  Cryptantha pterocarya var. pterocarya J. Mark Porter 2001-4-2 12332 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA0120314  Cryptantha racemosa Duncan S. Bell, Thomas Stoughton 2016-3-16 8957 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  JOTR30922  Cryptantha utahensis La Doux, Tasha, Bill Truesdell 2008-4-29 2597 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  JOTR37475  Cryptantha utahensis Hodges, Stephen, T. Green 2016-5-5 596 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  UC489225  Cryptogramma acrostichoides C. V. Meyer 1928-7-27 554 Riverside San Jacinto Peak 3261 Comment
  UCR241232  Cucurbita foetidissima Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 690 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  JEPS42630  Cucurbita palmata W. L. Jepson 1912-10-28 5234 Riverside Riverside Mts. 91 Comment
  POM3644  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA70996  Cuscuta californica F. W. Peirson 1914-04 898 Riverside Whitewater at head of Coachella Valley. Comment
  LA210098  Cuscuta californica var. papillosa A. M. Johnson; 1933-4-28 4124 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA160502  Cuscuta indecora J. D. Olmsted 1959-9-23 993 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395. 427 Comment
Read comments
Jan 1 2007
  UCR281261  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417- 25 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  CLARK-A1703-58  Cuscuta subinclusa H. A. Zuill 1966-7-4 276 Riverside Murrieta Comment
  UCR90280  Cycloloma atriplicifolium Scott D. White 1995-7-7 3446 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  SEINET9037745 Image available Cylindropuntia bigelovii Marc A. Baker 2015-1 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2km north of its junction with Interstate 10, 13 km NW of central Palm Springs 353 Comment
  RSA0031143  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2013-3-20 17720 .2 Riverside 800m south of Smoke Tree Wash, 5.5km north of Cottonwood Spring, 40km NE of Indio. UTM datum in NAD83. Lat-Long datum in WGS84. 940 Comment
  SEINET5624467 Image available Cylindropuntia chuckwallensis Marc A. Baker 2012-4-9 17533 Riverside East of Red Canyon 7.5' USGS topographic quadrangle, along Salt Creek, 17.5km WNW of Black Butte in the Chuckwalla Mountains, 18km SE of Chiriaco Summit 498 Comment
  RSA0072260  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas, Kelsey Black 2013-3-24 089 Riverside Palo Verde Mesa, 14km WSW of Blythe. 120 Comment
  RSA232997  Cylindropuntia echinocarpa D. A. Young 1969-4-18 P- 415 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
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Jan 28 2007
  UCR251900  Cylindropuntia echinocarpa Jim Andre 2013-3-27 24824 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  SEINET2449498  Cylindropuntia ramosissima Sears 1978-3-16 811 Riverside 10 mi N of Blythe along road to Midland. Forrhills of the Big Maria Mts.; 0 229 Comment
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Nov 18 2015
  CAS-BOT-BC143217  Cyperus albostriatus O. F. Clarke 2006-4-25 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC114543  Cyperus eragrostis Crawford; Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona. Comment
  UCR176767  Cyperus eragrostis G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR59812  Cyperus eragrostis Jeri Hirshberg 1989-7-19 s.n. Riverside vicinity of Lake Skinner: dry streambed below dam, north of stock pond & treatment plant Comment
  RSA737420  Cyperus esculentus Justin M. Wood 2008-9-19 131 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CDA2604  Cyperus rotundus Steve Boyd 1989-7-9 3774 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA554337  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa and N of Calle del Lago 348 Comment
  SEINET10773991  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12828 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 ca 1.3 km on Whitewater Canyon Road. Comment
  SEINET958515  Dalea mollis Dave Silverman, Cindy Hopkins 2005-1 5755 Riverside NE Riverside County, transition between Ward and Rice Valleys, S of Danby Dry Lake, S. of Highway 62, along Colorado River Aqueduct. 277 Comment
  RSA27027  Dalea mollissima C. L. Hitchcock 1940-3-29 5846 Riverside 12 miles east of Indio. Comment
  CLARK-A1656-794  Dalea schottii Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 853 Comment
  CLARK-A1656-873  Dalea spinosa Jim Cornett 1977-6-24 Riverside Palm Springs 146 Comment
  RSA777778  Datura discolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 758 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA792556  Datura discolor Duncan S. Bell 2012-9-13 4183 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR167369  Datura discolor 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
  UCR230920  Datura wrightii T. B. Salvato, Richard Camacho 2011-6-12 5483 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR260562  Daucus pusillus T. B. Salvato 2015-4-2 8106 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  RSA703539  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  CAS-BOT-BC131033  Deinandra paniculata Peter H. Raven; Sidney R. Snow 1956-6-30 9531 Riverside Dripping Springs Guard Station, Temecula River Comment
  UC1746493  Deinandra paniculata A. C. Sanders with D. Malueg, K. D. Jones 2000-9-8 23635 Riverside gasline right of way across Pinto and Hoopes Ranches; Perris-Aguanga Basin Region; gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UC1787311  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UC1792825  Deinandra paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side just north of Rose Rd. 463 Comment
  UCR247554  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10- 50 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  RSA149640  Delphinium parishii Harlan Lewis, C. Epling 1941-5-4 s.n. Riverside 5 miles S. of White Tank on the road to Pinto Basin, Joshua Tree Nat. Mon. Comment
  RSA79175  Delphinium parishii P. A. Munz, Percy C. Everett 1952-5-2 16240 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR16749  Delphinium parishii M. Quinlan 1974-4-18 s.n. Riverside Western Colorado Desert/ San Jacinto Mtns, Agua Caliente Indian Reservation, c. 4 mi. outside Palm Springs, in Andreas Canyon 305 Comment
  RSA0020482  Delphinium parishii subsp. parishii L. Haines, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
  RSA356748  Delphinium parryi Robert F. Thorne 1973-5-23 45514 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 610 Comment
  SEINET8753380 Image available Delphinium parryi Gale Sphon 1955-1 Riverside Horsethief Canyon, Elsinore Mountains Comment
  CAS-BOT-BC82957  Dendromecon rigida Peter H. Raven 1958-5-17 12951 Riverside 7.4 miles southeast of Banning on road to Idyllwild, San Jacinto Mountains. Comment
  UC1287009  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside in wash 3 mi e Glen Ivy Hot Springs 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
  JOTR37758  Descurainia pinnata subsp. glabra Hodges, Stephen R. 2016-2-29 714 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UCR116807  Dichelostemma capitatum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23937 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR140723  Dichelostemma capitatum A. C. Sanders 2004-5-12 27878 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR154826  Dichelostemma capitatum A. C. Sanders, Mike Misenhelter 2005-3-23 29275 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  HSC84223  Dichelostemma capitatum subsp. capitatum Cindy Coutts 1987-5-2 29 Riverside Bee Canyon Rd. in San Jacinto Mtns., 0.9 mi. above Hwy. 74 762 Comment
  SD153003  Dichelostemma capitatum subsp. capitatum Steve Boyd, Tim Ross 1992-5-4 7183 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, Oak Flats area east of Verdugo Potrero. Rolling terrain. Common on heavy soil, native grassland and adjacent openings in chaparral and oak woodland. 730 Comment
  CAS-BOT-BC292184  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  CAS-BOT-BC292188  Dicoria canescens Geo. B. Grant 1909-1-20 s.n. Riverside Palm Springs Comment
  GMDRC7548  Dicoria canescens J. M. Andre 2015-4-23 32756 Riverside Rice Valley: along Rice-Midland Rd, 3.1 mi. south of Hwy 62, eastern end of Arica Mountains 253 Comment
  UC1523589  Dicoria canescens Robert F. Thorne and C. W. Tilforth 1980-5-28 54158 Riverside n-s rocky ridge at e side Whitewater River (at mouth of canyon, ca. 1/4 - 1/2 mi e of Whitewater Post Office); San Bernardino Mts., Colorado Desert Comment
  SEINET11853153  Dicoria canescens S. B. Parish, Parish, W. F. 1880-1 7 Riverside Whitewater Comment
  RSA735857  Dimorphotheca sinuata Scott D. White, Justin M. Wood 2008-4-16 11881 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  CAS-BOT-BC150930  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  SEINET210006  Diplacus brevipes Noel H. Holmgren, Liew Fah Seong 1969-1 3583 Riverside San Jacinto Nts, county rd Rl, at Black Mt turnoff, 8.5 mi N of Idyllwild Comment
  RSA0019403  Diplacus fremontii James L. Reveal, C. Rose Broome 1987-6-27 6609 Riverside San Jacinto Mtns, along California Hwy 243, 1.8 miles N of Mountain Center and 2.7 miles S of Idyllwild. 1494 Comment
  SBBG102809  Diplacus longiflorus D. M. Thompson 1992-5-18 1069 Riverside Lakeview (at Roman Expressway) along Davis Rd; 3.8 road mi S of St Hwy 60 484 Comment
  SD239915  Diplacus longiflorus A. C. Sanders 2010-11-18 38689 Riverside Peninsular Range: western Gavilan Hills; eastern edge of Corona, north end of radio tower' ridge, 1.85 nukes BBE (25a^z) of El Cerrito, 1 mile SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 440 Comment
  SEINET13778043  Diplacus puniceus Ynez W. Winblad 1938-1 Riverside Between El Capistrano and Lake Elsinore Comment
  UCD114701  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden. 351 Comment
  RSA668431  Ditaxis lanceolata S. Granger 1979-4-12 s.n. Riverside Chuckawalla Mountains. 610 Comment
  JOTR32617  Ditaxis neomexicana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1634 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  SD109126  Ditaxis neomexicana Grady L. Webster, R. Hildreth 1966-12-9 7456 Riverside Joshua Tree National Monument, NW end of Pinto Basin, 2.8 miles NW of Cholla Gardens 790 Comment
  UCR245249  Ditaxis neomexicana Jim Andre 2012-3-19 21298 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CAS-BOT-BC43657  Dithyrea californica Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Comment
  RSA530741  Dithyrea californica N. C. Cooper 1949-3-15 3031 Riverside Palm Springs 122 Comment
  RSA574736  Dodecatheon clevelandii Steve Boyd 1981-3-2 s.n. Riverside Gavilan Hills region, summit of Estelle Mountain near site of old fire lookout. 823 Comment
  RSA728149  Dodecatheon clevelandii Daphne K. Christopher, Hannah Stevens 2003-4-8 119 Riverside Santa Rosa Plateau Nature Conservancy Preserve. 556 Comment
  RSA60297  Drymocallis glandulosa G. R. Campbell 1948-7-4 608 Riverside Azalea Trails Girl Scout Camp, north of Idyllwood, Dark Canyon. 1646 Comment
  CAS-BOT-BC411416  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi. W of Hwy I-15 on N facing slope Comment
  CAS-BOT-BC173206  Dudleya multicaulis Mitch Provance 2003-4-26 9880 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 427 Comment
  RSA192089  Dudleya pulverulenta E. W. Lathrop 1966-5-15 6317 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA588661  Dudleya pulverulenta subsp. pulverulenta D. L. Banks, S. D. Boyd 1995-10-17 0818 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  POM182211  Dudleya saxosa subsp. aloides P. A. Munz 1932-4-24 12396 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA79116  Dudleya saxosa subsp. aloides P. A. Munz, P. C. Everett 1952-5-2 16233 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SEINET3071816  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17500 Riverside Queen Mountain quadrangle, 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
  CDA4578  Eclipta prostrata Gene Drake 1975-7-3 Riverside Riverside Canal, Nixon at McKinley, Riverside. 0 Comment
  UCR93030  Eclipta prostrata Steve Boyd, D. L. Banks 1994-9-29 8370 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  UCR90992  Ehrharta erecta A. C. Sanders, S. D. White 1996-2-19 17954 Riverside UC Riverside Botanic garden, from near the general purpose building 335 Comment
  UCR91011  Ehrharta erecta A. C. Sanders, O. F. Clarke 1996-2-17 17952 Riverside O.F. Clarke residence on 1012 Spruce Street [now the site of an apartment complex, 2001]. 305 Comment
  UCR225740  Eichhornia crassipes A. C. Sanders, T. B. Salvato 2011-3-30 38888 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, pond on NE side of Baker St. near Bromley Ave. intersection, c. 0.2 km NW of Hwy 74/Riverside Dr. 383 Comment
  POM13641  Elatine californica P. A. Munz 1922-4-29 5066 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UC838787  Eleocharis acicularis P. A. Munz 1922-7-7 6067 Riverside Tahquitz Valley San Jacinto Mts. 2225 Comment
  RSA559350  Eleocharis bella Steve Boyd, Timothy S. Ross 1992-5-15 7392 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  SDSU21795  Eleocharis macrostachya Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3982 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA199000  Eleocharis parishii Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37454 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR178205  Eleocharis parishii T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 903 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR199635  Eleocharis parishii Scott D. White, J. Campbell 2008-4-18 11894 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area 366 Comment
  OBI37477  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd, 0.8 mi E of jtn with 8S01 and 8S02 Comment
  RSA179522  Eleocharis radicans E. W. Lathrop 1960-6-14 5010 Riverside 14 miles west of Murrieta. Comment
  UCR20779  Elymus condensatus A. C. Sanders, Steve Boyd 1980-5-2 1391 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA741059  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside Quinn Flat Meadow. 1372 Comment
  UCR154465  Elymus elymoides Jason L. Hlebakos 2005-5-30 810 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
  RSA0125989  Emmenanthe penduliflora Duncan S. Bell 2016-3-4 8795 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCR116828  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23929 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR165405  Emmenanthe penduliflora A. C. Sanders 2005-4-21 29567 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR35122  Emmenanthe penduliflora L. B. Ziegler 1967-5-18 129 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  POM49128  Encelia actoni Mary F. Spencer 1919-7-9 1188 Riverside Foothills of San Jacinto Mt. 572 Comment
  UC101061  Encelia actoni Dr. R. J. Smith 1904-1-1 302 Riverside Cabezon Comment
  UCR34968  Encelia actoni L. B. Ziegler 1964-9-2 026 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCR21943  Encelia californica Steve Boyd 1980-5-3 192 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SEINET11859827  Encelia californica H. M. Hall 1902-1 2922 Riverside vicinity of Riverside 366 Comment
  CAS-BOT-BC131329  Encelia farinosa Munz; Street; Williams 1919-3-26 2337 Riverside Palm Springs 213 Comment
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  HSC87147  Encelia farinosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2142 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JEPS34112  Encelia farinosa Newlon 1922-4-2 420 Riverside highway between Westmoreland and Indio; Colorado Desert Comment
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Feb 18 2013
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  RSA26861  Encelia farinosa var. farinosa I. L. Wiggins 1941-3-24 9577 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  CAS-BOT-BC131425  Encelia frutescens Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13228 Riverside Rice-Desert Center road, at intersection of San Bernardino-Riverside county line 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
  RSA703486  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -a Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  CAS-BOT-BC81545  Ephedra californica John Thomas Howell 1928-3-11 3409 Riverside East end of Morongo Valley, S. [Mohave] Mojave Desert 914 Comment
  RSA339625  Ephedra californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54162 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA339644  Ephedra californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54240 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA770791  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4532 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305 487 Comment
  RSA777283  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4739 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  SD55  Ephedra californica Ruth B. Randall 1926-2-22 277 Riverside Cabazon near Whitewater 760 Comment
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Mar 13 2011
  SD84922  Ephedra viridis Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-28 480 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 609 Comment
  CAS-BOT-BC165934  Epilobium campestre A. C. Sanders; T. B. Salvato 2001-5-25 24376 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR35212  Epilobium canum L. B. Ziegler 1966-9-13 100 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  UCR35214  Epilobium canum L. B. Ziegler 1967-9-6 243 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  LA206110  Epilobium canum subsp. latifolium Louis C. Wheeler; 1933-12-1 2291 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  SBBG60174  Epilobium ciliatum subsp. ciliatum R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  CAS-BOT-BC165938  Epilobium densiflorum Scott D. White 1996-8-1 4423 (1 of 2 replicates) Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  RSA674611  Epilobium densiflorum Scott D. White 2000-8-5 8180 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SD193324  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek; 0.5 mile north of Tenaja Rd. 671 Comment
  RSA458733  Epilobium oregonense M. B. Dunkle 1933-7-22 3745 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  UCR202585  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 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
  UCR159110  Eragrostis A. C. Sanders 1997-12-3 21627 Riverside Moreno Valley, March Air Base, near Riverside 466 Comment
  RSA737222  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC576272  Eragrostis cilianensis H. S. Yates 1936-8-29 6372 Riverside Idlewild; San Jacinto Quadrangle Comment
  UCR83128  Eragrostis curvula var. conferta A. C. Sanders, S. Ogg 1994-7-28 15183 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR142069  Eragrostis intermedia A. C. Sanders 2002-11-21 25653 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR85141  Eragrostis lehmanniana A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16023 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCD63450  Eragrostis mexicana subsp. mexicana Beecher Crampton 1963-5-7 6777 Riverside Riverside, 1 mile west U.C. - Riverside Campus. Comment
  UCR25241  Eragrostis mexicana subsp. mexicana John C. Roos 1952-5-14 5659 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  RSA450464  Eragrostis mexicana subsp. virescens J. C. Roos 1965-7-7 s.n. Riverside San Jacinto. On the edge of alfalfa field. Comment
  CSUSB1449  Eremalche exilis Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA0108941  Eremalche exilis Duncan S. Bell, Amanda Bell 2012-1-28 3069 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA605216  Eremalche exilis A. C. Sanders, G. Helmkamp, P. Mackay 1995-3-12 16022 Riverside Sonoran (Colorado) Desert Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111). -7 Comment
  JOTR31898  Eremalche rotundifolia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2147 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  CHSC109246  Eremogone macradenia var. macradenia Scott D. White; Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). Meadow and adjacent uplands. 1390 Comment
  CAS-BOT-BC160061  Eremothera boothii subsp. condensata Forrest Shreve 1937-3-12 7904 Riverside 6 mi. NE of Desert Center Comment
  UC2030110  Eremothera boothii subsp. condensata V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1095 Riverside Transverse Ranges, Little San Bernardino MOuntains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  CDA37645  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  JOTR34036  Eremothera refracta La Doux, Tasha, M. Harding 2010-4-7 2920 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA0105499  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR133417  Eriastrum diffusum Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 312 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UC472923  Eriastrum diffusum subsp. diffusum P. C. Standley Aug 1922 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  UC729666  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside 1 mi below Fish Hatchery; No. base of San Jacinto Mts., Snow Creek Canyon 396 Comment
  RSA0120094  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-3-4 2027 Riverside 5 mi. East of Shaver's Well. Comment
  SDSU3049  Eriastrum sapphirinum A. H. Gallup 1948-6-12 223 Riverside San Jacinto Mt. Road from the town of San Jacinto. 823 Comment
  RSA0122951  Eriastrum sapphirinum subsp. dasyanthum D. L. Banks, Victor W. Steinmann 1995-7-10 0753 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. E of the major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  SD181417  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Tasha La Doux 2000-6-3 7998 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA696802  Ericameria cuneata var. spathulata J. Russell Bruff 1928-4-2 s.n. Riverside White Tanks Comment
  SD84911  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 372 Riverside 2.0 miles up water service road leading south from Highway 72, Deep Canyon. 1310 Comment
  UC50451  Ericameria linearifolia H. M. Hall 1902-4-1 2902 Riverside hills between Sage and Coahuila; Coahuila Hills 914 Comment
  JOTR01233  Ericameria linearifolia Cole, James E. 1942-5-10 956 Riverside Joshua Tree National Park. 1341 Comment
  CAS-BOT-BC298122  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  RSA180299  Ericameria palmeri var. pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles W of Murrieta. 610 Comment
  SD137893  Ericameria pinifolia Darin L. Banks, Steve Boyd 1995-10-17 788 Riverside Agua Tibia Mountains, Northwest Palomar Mountain, Cleveland National Forest, Along lower Arroyo Seco, south of the Dripping Springs Campground 515 Comment
  UC55177  Ericameria pinifolia Geo. R. Hall 1902-10-25 Riverside near Riverside Comment
  JOTR31170  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  UCR101806  Erigeron foliosus George K. Helmkamp, E. A. Helmkamp 1998-8-17 4438 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR159251  Erigeron foliosus A. C. Sanders, Kelly Volansky 2005-8-31 31571 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCD65733  Eriochloa contracta J. C. Roos 1963-8-10 Riverside Blythe. Comment
  POM319080  Eriodictyon crassifolium Patricia Wilder 1971-9-29 5267 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  CLARK-A1528-5715  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  POM49861  Eriogonum apiculatum P. A. Munz, I. M. Johnston 1924-7-27 8757 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA754120  Eriogonum apiculatum W. Schlegel, Matt McDonald 2009-4-9 37 Riverside Idyllwild: Red Mountain Lookout and communications site on a hilltop. Comment
  SBBG55325  Eriogonum apiculatum R. Moran 1973-7-28 21108 Riverside summit of Toro Pk 2500 Comment
  SEINET6328740  Eriogonum apiculatum Wesley O. Griesel 1962-9-18 s.n. Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  CAS-BOT-BC242789  Eriogonum davidsonii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Between Idyllwild & Keen Camp Comment
  UCR164567  Eriogonum davidsonii S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  CHSC8078  Eriogonum deflexum Edward L. Smith 1958-3-22 396 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  RSA296167  Eriogonum elongatum Barry A. Prigge 1980-8-5 3864 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 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
  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
  CAS-BOT-BC249955  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 713 Riverside Mesa Mira Comment
  JOTR31138  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  RSA509530  Eriogonum fasciculatum var. polifolium Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  RSA708051  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  SD229223  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 642 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  SD90099  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  UC1349024  Eriogonum gracile Lathrop and Thorne 1967-9-26 6647 Riverside 6 mi nw Murietta Comment
  UCR154394  Eriogonum gracile A. C. Sanders, Mike Misenhelter 2005-6-15 30971 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
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  RSA650877  Eriogonum inflatum David B. Dunn 1947-7-12 2961 Riverside Pushawalla Canyon, Indio Hills. Comment
  JEPS56846  Eriogonum inflatum var. inflatum W. L. Jepson 1914-5-18 5987 Riverside n Indio; Pinyon Well 762 Comment
  RSA131328  Eriogonum inflatum var. inflatum Peter H. Raven 1958-1-23 s.n. Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
  RSA393580  Eriogonum inflatum var. inflatum P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  RSA0094199  Eriogonum maculatum Jim M. Andre 2012-4-11 20794 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  RSA126714  Eriogonum maculatum Peter H. Raven 1958-5-18 s.n. Riverside Hemet Meadows, San Jacinto Mountains. Comment
  CAS-BOT-BC253013  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA424859A  Eriogonum reniforme M. B. Dunkle 4912 Riverside Colorado Desert, east of Indio. Comment
  JEPS56267  Eriogonum thomasii W. L. Jepson 1928-4-23 12546 Riverside Shaver's Well Colorado Desert, Shaver's Well 152 Comment
  POM259741  Eriogonum thomasii E. C. Jaeger 1939-12-28 s.n. Riverside Burro Canon, 5 miles east of Thousand Palms. 183 Comment
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Apr 3 2011
  RSA480007  Eriogonum thomasii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2136 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA775399  Eriogonum thomasii Duncan S. Bell 2011-4-10 2251 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  RSA776816  Eriogonum thomasii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1089 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UC912698  Eriogonum thomasii C. L. Hitchcock 1940-3-31 5890 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR72234  Eriogonum thomasii Theo Glenn 1991-5-24 91- 131 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  CHSC1328  Eriogonum thurberi Sonia R. Westerberg 1938-5-16 Riverside Palm Springs. Comment
  POM13239  Eriogonum thurberi P. A. Munz, I. M. Johnston 1922-5-19 5348 Riverside 5 miles NE of Murietta. 457 Comment
  UC6475  Eriogonum thurberi A. J. McClatchie 1890-1 45 Riverside near Elsinore Comment
  UCR153673  Eriogonum thurberi Scott D. White 1999-5-24 7396 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  CAS-BOT-BC263595  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  POM204399  Eriogonum wrightii var. membranaceum F. M. Reed 1934-9-26 8973 Riverside San Jacinto Mountains. 1341 Comment
  RSA0104484  Eriogonum wrightii var. membranaceum Duncan S. Bell 2015-9-30 8671 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SFV18745  Eriogonum wrightii var. membranaceum J. N. Hogue 2003-9-13 205 .1 Riverside San Jacinto Mountains Hall Canyon, 500 m northeast of Lake Fulmor. James Reserve, University of California. 1645 Comment
  UC1133260  Erioneuron pulchellum H. S. Yates 1937-6-27 Riverside Deep Canyon Thermal Quadrangle (head) Comment
  CAS-BOT-BC298484  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs, Colorado Desert 150 Comment
  POM47482  Eriophyllum ambiguum var. paleaceum Mary F. Spencer 1920-4-7 1428 Riverside Palm Canyon 244 Comment
  UC31677  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 4 1896-Apr 13 1896 4120 Riverside base San Jacinto Mt. (Palm Springs (Agua Caliente)); , Palm Springs (Agua Caliente) 152 Comment
  CAS-BOT-BC297341  Eriophyllum confertiflorum Annie M. Alexander; Louise Kellogg 1941-4-24 2073 Riverside Gorge of Dry Morongo Creek, Morongo Valley Comment
  RSA543182  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6121 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
  RSA695682  Eriophyllum confertiflorum Kenneth Beard 1934-04 s.n Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
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Oct 31 2011
  UCR160059  Eriophyllum confertiflorum Steve Boyd, Valerie Soza 2004-6-22 11550 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
  SEINET7048189  Eriophyllum confertiflorum Steven R. Hill, Andrew C. Sanders 2001-5-4 33698 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  LA203537  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-8-31 sn Riverside SANTA ANA MOUNTAINS, Indian Truck Trail. Comment
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Oct 7 2013
  UC597602  Eriophyllum confertiflorum var. confertiflorum Philip A. Munz 1937-5-30 15096 Riverside n of Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  UCD132129  Eriophyllum multicaule J. C. Roos 1948-5-22 3866 Riverside San Timoteo Canyon, south of Redlands. Comment
  UCR126  Eriophyllum wallacei R. O. Perez 1955-5-20 s.n. Riverside San Jacinto Valley, 5 mi. east of Hemet [San Jacinto River Valley, c. 1-3 mi. east of Valle Vista] 579 Comment
  UCR133961  Eriophyllum wallacei Mitch Provance, J. S. Ross 1998-3-27 MOR- 942 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR272902  Erodium cicutarium Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3067 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  UCR279594  Erodium cicutarium A. C. Sanders, Jim Malusa 2017-3-28 43161 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  JOTR33986  Erodium texanum La Doux, Tasha, M. Harding 2010-4-7 2874 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR154547  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-13 680 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
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Feb 3 2015
  CAS-BOT-BC54340  Erysimum capitatum Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1700 Comment
  SEINET8411978  Erythranthe microphylla G. R. Campbell 1948-7-3 606 Riverside 3 miles north of Dark Canyon, road between Idyllwild and Banning. Comment
  RSA0014890  Erythranthe tilingii Charlotte M. Wilder s.n. Riverside Tahquitz. San Jacinto Mountains. Comment
  UCD96492  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 252 Riverside California. Riverside County: Joshua Tree National Park. 835 Comment
  UCD96494  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 254 Riverside California. Riverside County: Joshua Tree National Park. 856 Comment
  SDSU18743  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 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. 410 Comment
  PASA453  Eschscholzia glyptosperma Riverside Painted Canyon Comment
  RSA0022945  Eschscholzia minutiflora Duncan S. Bell 2010-4-1 647 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  RSA0011218  Eschscholzia minutiflora Richard Snow 1953-4-5 51 a Riverside Box Canyon. Comment
  SEINET10904735  Eschscholzia minutiflora Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6449 Riverside Blythe-rice rd, 17 airline mi n-nw of blythe. T4s, r21e, sec13. Locally common in gravelly wash banks. 259 Comment
  UC724249  Eschscholzia parishii Aven and Ruth Nelson 1939-3-29 3320 Riverside near Palm grove; Hidden Spring Canyon Comment
  UCR138571  Eschscholzia parishii Steve Boyd, Orlando Mistretta 1986-3-13 1452 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR251644  Eschscholzia parishii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 826 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  RSA0022917  Eschscholzia parishii Christopher Davidson 1973-4-1 1840 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  SDSU12879  Eucalyptus camaldulensis J. Jill Steinberg, Leon Steinberg 1998-4-5 36 Riverside Ca. 50 yards north of abandoned trailer northwest of entrance gate to Santa Magarita (SDSU) Field Station, in abandoned grove of Eucalyptus just south of small stream. 311 Comment
  UCR46722  Eucalyptus camaldulensis B. G. Pitzer, D. C. Hawks 1986-12-2 359 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  OBI69838  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 33 Riverside Temescal Cyn Rd, Corona, side of rd Comment
  UC1608077  Eucalyptus tereticornis D. Goodward April 1987 27 Riverside s. of Alessandro Blvd. near Nason St., Eucalyptus irrigation plot, Tree R1T9 U.C. Riverside Moreno Valley Field Station; Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  POM256724  Eucrypta chrysanthemifolia W. Pequegnat 1940-4-13 s.n. Riverside Bedford Truck Trail. Santa Ana Mountains. 793 Comment
  RSA790935  Eucrypta chrysanthemifolia Doris Bowers 1972-4-15 1837 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  SDSU18406  Eucrypta chrysanthemifolia var. chrysanthemifolia C. Matt Guilliams 2008-2-27 481 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. 407 Comment
  POM49793  Euonymus occidentalis var. parishii P. A. Munz, I. M. Johnston 1924-7-27 8790 Riverside Dark Canyon, San Jacinto Mountains. 1616 Comment
  UCR121894  Euphorbia albomarginata Ian G. Gillespie 2001-5-7 084 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
  GMDRC3749  Euphorbia eriantha J. Andre, J. AndreT. La Doux 2009-3-1 11246 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  UCR111584  Euphorbia maculata Mitch Provance 1999-1-23 1742 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  UCR58873  Euphorbia setiloba J. M. Stewart 1989-10-17 615 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  RSA606143  Euthamia occidentalis L. C. Wheeler 1932-9-4 1318 Riverside Santa Ana River at Chino Creek. 183 Comment
  CAS-BOT-BC239709  Fabaceae Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC167372  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside Between Hayfields Reservoir and Desert Center, Indio-Blythe Highway Comment
  POM258736  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside between Hayfields Reservoir and Desert Center. Indio-Blythe Highway. Comment
  RSA480018  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2147 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC569996  Fagonia laevis H. S. Yates 1936-4-7 5445 Riverside 8 mi n Mecca; Thermal Quad. 457 Comment
  UCR159767  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  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
  CAS-BOT-BC56787  Ferocactus cylindraceus Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR244711  Ferocactus cylindraceus Jim Andre 2012-3-19 21370 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR225585  Festuca microstachys A. C. Sanders 2011-3-29 38863 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR117081  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24199 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
  UCR91279  Festuca myuros Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA524398  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4116 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mt., just S of the E summit 610 Comment
  RSA393725  Filago californica Robert Gustafson 1983-4-18 2502 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA621905  Foeniculum vulgare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3223 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  POM11930  Forestiera pubescens P. A. Munz, I. M. Johnston 1922-5-21 5511 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR121099  Forestiera pubescens A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR4475  Forestiera pubescens L. B. Ziegler 1963-3-18 s.n. Riverside 2 mi south of Mt. Russel (S of Moreno) Comment
  CLARK-A1656-798  Franseria acanthicarpa Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  POM48951  Frasera parryi P. A. Munz, I. M. Johnston 1924-7-26 8720 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  CLARK-A1528-1040  Fraxinus dipetala Joyce Davis 1965-3-16 12 Riverside Tin Mine Canyon 304 Comment
  CAS-BOT-BC211021  Fraxinus velutina J. Ewan 1931-10-3 517 Riverside Santa Ana River, 4 mi. N.W. of Corona Comment
  SFV21862  Funastrum cynanchoides var. hartwegii J. R. Pucci 2001-4-7 10 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  POM97113  Funastrum cynanchoides var. hartwegii P. A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  JOTR31809  Funastrum hirtellum La Doux, Tasha, Bill Truesdell 2007-11-9 2517 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  POM122774  Funastrum hirtellum Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. 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
  SBBG58627  Funastrum hirtellum M. N. Ackley 1928-4-3 13 Riverside Clary's Cyn 243 Comment
  UCR174232  Galium angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32667 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR277475  Galium angustifolium Mitch Provance 2012-5-22 512- 01 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  JEPS29515  Galium angustifolium subsp. angustifolium Lauramay T. Dempster 1962-4-17 1890 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  RSA609659  Galium angustifolium subsp. jacinticum R. S. Woglum 1937-5-22 509 c Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA761233  Galium angustifolium subsp. jacinticum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 722 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR158343  Galium aparine A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30076 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  LA208517  Galium johnstonii Carl Epling; William Robison 1935-6-30 Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  UC219086  Galium parishii P. A. Munz 1922-7-6 6022 Riverside near Hidden Lake; San Jacinto Mts. 2560 Comment
  POM367816  Galium stellatum E. C. Jaeger 1920-03 s.n. Riverside Palm Springs. Comment
  POM9333  Galium stellatum Mary F. Spencer 1920-3-27 745 Riverside Palm Springs. 122 Comment
  POM125121  Gayophytum diffusum subsp. parviflorum Mary F. Spencer 1921-7-9 1228 Riverside Tahquitz trail, Idyllwild. San Jacinto Mountains. 1829 Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SD229208  Gayophytum diffusum subsp. parviflorum Dick Schwenkmeyer 2012-9-18 834 Riverside Skunk Cabagge Meadow, 3 mi. (via trail) east od Humber Park, Idyllwild. 2432 Comment
  UC20259  Gayophytum diffusum subsp. parviflorum H. M. Hall June, 1901 2279 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  RSA559938  Gazania longiscapa Steve Boyd 1992-4-18 6889 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  CAS-BOT-BC303571  Geraea canescens Peter H. Raven 1958-2-15 11585 Riverside Along US Highway 60, 8.7 miles E of road to WIley Wells Comment
  JOTR33850  Geraea canescens La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3062 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; Pinto Wash 322 Comment
  UC68869  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  RSA690936  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA470133  Gilia angelensis Ora M. Clark 1929-3-16 1688 Riverside South of Cabazon. Comment
  UCR167533  Gilia angelensis Scott D. White 2005-3-29 10833 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
  UCR171980  Gilia angelensis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR177945  Gilia angelensis Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 027 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR241950  Gilia angelensis A. C. Sanders, Timothy W. Chumley 2013-3-28 40709 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  SEINET1909895  Gilia capitata T. B. Salvato, John F. Green 2004-1 559 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  UCR106884  Gilia capitata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20666 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  JEPS4116  Gilia diegensis W. L. Jepson 1901-5-19 1311 Riverside Strawberry Valley , Strawberry Valley (Mt. San Jacinto) Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR103549  Gilia latifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2533 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  UCR148443  Gilia latifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA0016242  Gilia ochroleuca Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4735 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC407609  Gilia ochroleuca subsp. exilis E. A. McGregor 1941-6-12 14 Riverside Idyllwile, San Jacinto Mountains Comment
  RSA0014947  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  RSA480028  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  JOTR30237  Gilia sinuata Leary, C. and Leary, Pat 1979-5-5 3000 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. Comment
  UCR269837  Gilia stellata A. C. Sanders, Jim Malusa 2016-3-18 42381 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SBBG55269  Gilia stellata T. Criswell 1977-2-27 15 Riverside S side of St Hwy 195, ca. 500' W of its jct with Interstate 10, Upper Box Cyn 365 Comment
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Aug 23 2016
  CAS-BOT-BC280555  Glyceria elata J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  RSA519248  Gnaphalium californicum 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. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR94954  Gnaphalium canescens subsp. beneolens Scott D. White 1996-8-15 4471 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR27180  Gnaphalium luteoalbum A. C. Sanders, S. Hagopian 1981-5-20 2157 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  POM157887  Gnaphalium palustre P. A. Munz 1927-5-20 10799 Riverside Murrieta Hot Springs. Comment
  RSA559458  Gnaphalium palustre Steve Boyd, Tim Ross 1992-5-4 7209 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  JOTR01265  Gutierrezia microcephala Cole, James E. 1941-10-20 932 Riverside Joshua Tree National Park. LOST HORSE VALLEY; OPTIMIST MINE ROAD 1310 Comment
  UCR13690  Haplopappus menziesii J. Gull 1973-7-31 s.n. Riverside Hills east of Norco Comment
  HSC85385  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temscal Canyon: Along DePalma Rd. between Indian Truck Trail and Horsethief Canyon. 1.0 mi. E of Indian Truck Trail Comment
  RSA0066610  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3920 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA441799  Helianthemum scoparium var. aldersonii Ann Grove 1971-8-10 15 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murietta Comment
  POM360004  Helianthus gracilentus N. C. Cooper 1947-6-9 C- 2803 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SBBG8404  Helianthus niveus H. and M. Dearing 1942-3-21 4836 Riverside Cathedral City, near Palm Springs Comment
  UCR18115  Helianthus niveus subsp. canescens A. C. Sanders 1978-4-2 00137 Riverside Sonoran (Colorado) Desert, Coachella Valley, between Miles Ave. and Hwy 111, just east of Washington St 30 Comment
  UC164852  Heliotropium curassavicum S. B. Parish 1912-7-3 8072 Riverside Salton <Border ?> near <Dermid>; Colorado Desert Comment
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Sep 4 2011
  UCR248086  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  UCR111740  Hemizonia fasciculata S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  RSA674809  Hemizonia kelloggii Scott D. White 2001-6-29 8628 -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
  UCR116670  Hemizonia kelloggii A. C. Sanders, Carolyn Washburn 2001-5-10 24242 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR98687  Hemizonia kelloggii 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
  RSA614683  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek. 915 Comment
  UCR217558  Hemizonia mohavensis Jeff B. Galvin 2009-7-14 94 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  RSA191404  Hemizonia paniculata E. W. Lathrop 1967-9-26 6641 Riverside 6 miles NW of Murrieta. Comment
  UCR113183  Hemizonia paniculata Mitch Provance 1998-3-3 141 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St. on the north side of Granite Hill Dr. 305 Comment
  UCR117711  Hemizonia paniculata Mitch Provance 1998-6-11 678 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR172160  Hemizonia paniculata T. B. Salvato, Gregg Miller 2005-6-3 1378 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  UCR258629  Hemizonia paniculata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-6-2 8061 Riverside Peninsular Range; Perris-Aguanga Basin, rolling hills just north of Franklin Street between Miramar and Channing Way, c. 1 mi northeast of Lake Elsinore 429 Comment
  RSA520923  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2055 Riverside California Dept. of Fish and Game, San Jacinto Wildlife Area. Populations are found just west of the old San Jacinto river channel and adjacent to the first waterfowl pond. 476 Comment
  UCR20805  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-14 270 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR213882  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  UCR266367  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-5-16 3846 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, canal right-of-way, east of Sanderson Ave. and south of Ramona Expressway 457 Comment
  RSA180452  Hesperevax acaulis E. W. Lathrop 1965-5-9 5739 -b Riverside 6 miles W of Murrieta. Comment
  RSA764160  Hesperocallis undulata Linda M. Prince 2009-4-18 520 Riverside Joshua Tree National Park. Turkey Wash 549 Comment
  SEINET3196409 Image available Hesperocallis undulata John F. Green 2005-1 s.n. Riverside Sonoran (Colorado) Desert; Salton Basin, east of Salton Sea, c. 4 mi N of Niland; Coachella Canal right of way, between siphones 10 and 11, along county road west of canal (Wister 7.5' Q. ) 26 Comment
  UCR112130  Hesperocnide tenella A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21756 Riverside Box Springs Mtns., Highgrove, Pigeon Pass Canyon just below the county dump 366 Comment
  UCR24463  Hesperocnide tenella John C. Roos 1952-4-13 5537 Riverside Riverside, north base of the Box Springs Mtns. 396 Comment
  RSA91385  Hesperolinon micranthum F. W. Peirson 1922-5-19 3023 Riverside 2.5 miles NE of Murrieta 381 Comment
  RSA583483  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  SDSU9054  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Temecula Gorge, north bank of Santa Margarita River, just east pf aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of section 27. 244 Comment
  UCR270747  Heteromeles arbutifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8351 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  SDSU13566  Heterotheca grandiflora W. Miller with C. Mosse 1972-7-13 Riverside West of M.W.D. Station. Comment
  UCR176668  Heterotheca grandiflora G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR119441  Heterotheca sessiliflora subsp. echioides A. C. Sanders, Mitch Provance 1999-9-26 23088 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR94952  Heterotheca sessiliflora subsp. echioides Scott D. White 1996-8-15 4473 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  SBBG55857  Hibiscus denudatus C. Davidson, J. Jones 1980-4-4 9961 Riverside W end of the Orocopia Mtns in a small cyn and wash almost S of Oro Peak 518 Comment
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Sep 17 2011
  UC1971213  Hieracium albiflorum Scott D. White, J. Greene 1998-8-1 6971 Riverside IDYLLWILD AREA: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. San Jacinto Peak USGS 7.5' quad. Comment
  UC63101  Hieracium albiflorum H. M. Hall 1897-8-9 817 Riverside San Jacinto Mountains 1981 Comment
  UCR263654  Hilaria rigida David Fraker, Aaron C. Sedgwick 2012-3-22 022 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCSB33254  Hoffmannseggia microphylla Miller, Brian 1963-6-1 Riverside Powerline Access Road, 1/2 mile SW of Biskra Palms 24 Comment
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Jun 1 2013
  SBBG95145  Hoita macrostachya M. Hales 1977-11-6 Riverside Oasis de Los Osos, Snow Crk Cyn Comment
  UCR217500  Holocarpha virgata subsp. elongata Karyn L. Drennen 2009-6-19 1 Riverside Santa Ana Mtns- foothills, Santa Rosa Plateau, north of Monument Hill Rd 586 Comment
  UCR112394  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR266497  Hordeum depressum Mitch Provance, Matt Amalong 2015-4-6 415- 13 Riverside Temecula/Murrieta Region, About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. 452 Comment
  UCR97285  Hordeum marinum Scott D. White 1993-3-12 1157 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UC1719527  Hordeum murinum D. Atwood 1993-3-28 17710 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game. Comment
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Jun 3 2012
  RSA594520  Hordeum murinum subsp. leporinum D. L. Banks, Rashmi Pant 1996-5-13 1025 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station;, (100 m E of where Hwy. 79 leaves the Forest Service Boundary). On the S side of Hwy. 79. T8S R1W; Just N of the NE 1/4, NW 1/4 of sec. 23. 487 Comment
  RSA614126  Hordeum murinum subsp. leporinum D. L. Banks 1997-2-23 1293 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UCR83242  Hordeum vulgare N. M. Fellows 1982-4-14 s.n. Riverside Riverside, on the edge of Pigeon Pass Road north of Hwy 60 518 Comment
  RSA0018951  Horkelia clevelandii H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  HSC79039  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields 0.25 mi. S of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  SD212603  Hosackia oblongifolia T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  CAS-BOT-BC312589  Hulsea vestita subsp. callicarpha H. E. McMinn 1925-7-2 1509 Riverside Tahquitz Peak trail from Idyllwild-San Jacinto Mts. Comment
  LA203770  Hulsea vestita subsp. callicarpha Jonathan Sauer; H. Walter 1980-5-17 280 Riverside James San Jacinto Mountains Reserve, Near Lake Fulmor Comment
  UC1181321  Hydrocotyle ranunculoides Peter H. Raven 1959-5-17 14232 Riverside San Jacinto Mts., Lake Fulmor Comment
  UCR137742  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA190629  Hymenoclea salsola L. B. Ziegler 1967-6-5 s.n. Riverside Pinyon Flats, San Jacinto Mts. Comment
  SEINET156514  Hymenoclea salsola Norman C. Cooper 1944-4-23 1120 Riverside Cabazon. 457 Comment
  SEINET11847653  Hymenoclea salsola Unknown 1936-1 12744 Riverside Colorado Desert N of Palm Springs Comment
  LA203762  Hymenoclea salsola var. fasciculata D. Birindelli; 1969-3-9 Riverside near Palm Desert 121 Comment
  POM12866  Hymenopappus filifolius var. lugens P. A. Munz 1922-6-29 s.n. Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  UC872029  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  RSA739710  Hypericum formosum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35632 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
  CAS-BOT-BC219764  Hyptis emoryi F. O. Ballou 1926-2-25 s.n. Riverside Painted Canon [Canyon] near Mecca Comment
  CAS-BOT-BC219768  Hyptis emoryi R. Freeman 1977-3-9 2172 Riverside S-O & Q-O South side of Chuckwalla Mnts. Comment
  LA61824  Hyptis emoryi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  RSA38873  Hyptis emoryi E. A. Purer 1933-3-25 4980 Riverside Palm Springs. Comment
  SEINET2065619 Image available Hyptis emoryi E. R. Blakley 1962-11-25 5483 Riverside 5 mi W of Blyth on US 60 & 70 121 Comment
  SEINET3004987  Hyptis emoryi G. Rink, M. Baker 2011-4-2 10414 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  SFV6300  Hyptis emoryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 54 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCD124928  Hyptis emoryi G. L. Webster; R. Hildreth 1966-12-9 7458 Riverside Joshua Tree National Monument. 0.3 mi NW Cholla Gardens. 853 Comment
  UCR244923  Hyptis emoryi Jim Andre 2012-3-19 21372 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR72556  Ipomoea triloba Dave Kelly 1991-10-25 92- 20 Riverside Sonoran (Colorado) Desert, Blythe, melon field at 12th and Intake Comment
  UCR45123  Isocoma acradenia var. eremophila L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA486457  Isocoma menziesii var. vernonioides Richard Noyes, L. Arnseth 1988-10-30 759 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UCSB45953  Isocoma menziesii var. vernonioides Roos, John 1965-9-21 Riverside On the west side of March Air Force Base along 395 Highway Comment
  UC987813  Ivesia saxosa Reid Moran 1941-5-5 846 Riverside e of Quail Spring; Joshua Tree National Monument 1300 Comment
  UCR132724  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  SD225005  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1100 Comment
  UCR127917  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  SD129143  Juncus balticus subsp. ater Jerilyn Hirshberg 1989-7-25 Riverside Marsh near southwest edge of Vail Lake. Comment
  RSA85105  Juncus bufonius J. C. Roos 1952-4-30 5602 Riverside Between Camp Haan and Riverside 534 Comment
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Feb 20 2007
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UCR162937  Juncus bufonius Fred M. Roberts, D. E. Bramlet 2005-4-1 6150 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR164299  Juncus bufonius S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  UCR214306  Juncus bufonius A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38377 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
  RSA356718  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop 1975-5-20 45500 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  RSA713779  Juncus dubius A. C. Sanders, Steve Boyd, J. S. Ross, Mitch Provance 1998-10-25 22274 Riverside Hwy 74, roadside seep ca. 2 miles below (west of) Mountain Center.11S NH-2E, 2N 1250 Comment
  UC729844  Juncus macrophyllus Carl B. Wolf 1932-8-5 3940 Riverside along trail from Tauquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  UCR24961  Juncus macrophyllus A. C. Sanders 1980-7-22 1714 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  RSA368244  Juncus mexicanus H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  RSA368245  Juncus mexicanus Lester H. Cushman 1932-5-8 s,n, Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  UCR177389  Juncus saximontanus A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15796 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA526136  Juncus tiehmii Steve Boyd, Timothy S. Ross 1990-5-11 4649 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
  RSA500193  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3551 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR19748  Juncus xiphioides H. A. Zuill 1966-6-27 250 Riverside Santa Ana Mtns., Santa Rosa Plateau, Fisherman's Camp in Tenaja Canyon c. 13 mi SW of Murrieta Comment
  RSA25246  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  SD80105  Juniperus californica Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 385 Riverside Santa Rosa Mountains, north slope, Deep Canyon, east side of water service road, about 1.5 miles south of Highway #74 Comment
  LA202783  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  POM11223  Justicia californica E. A. McGregor 1917-3-18 731 Riverside 6 mi., Painted Canyon. Comment
  RSA463156  Justicia californica Lyman D. Benson 1933-3-31 4183 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SBBG68768  Justicia californica M. N. Ackley 1928-4-24 Riverside Palm Springs 182 Comment
  JEPS95221  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  RSA0027476  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran Basin and Range- Chuckwalla Valley. From Blythe, head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross over interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of rd, near intersection of Graham Pass Rd. 120 Comment
  SBBG129032  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-10 40414 Riverside Sonoran (Colorado) Desert: 120 Comment
  RSA601085  Keckiella antirrhinoides A. C. Sanders, J. Goetzen 1996-5-1 18123 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  SDSU10659  Keckiella antirrhinoides Wende Rahlaender 1983-5-28 7 Riverside Santa Rosa Mtns, Big Horn Sheep Lookout: pn NW rom of Deep Canyon, about 15 miles along Hwy 74 from Palm desert; just SE of Sugarloaf Mtn., 5 miles NE of Santa Rosa Mtn. Comment
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Jul 14 2013
  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
  LA209342  Keckiella antirrhinoides subsp. microphylla Elizabeth McClintock; 1940-5-26 sn Riverside 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  UCR20710  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Steve Boyd 1980-5-2 1444 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0019436  Keckiella ternata subsp. ternata N. C. Cooper 1949-6-29 4303 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA85408  Koeleria macrantha J. C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  UCR2486  Koeleria macrantha F. M. Reed 1907-5-5 1338 Riverside City of Riverside; Fairmont Park 244 Comment
  CAS-BOT-BC273674  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  CAS-BOT-BC61436  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 502 Comment
  SBBG3340  Krameria bicolor H. and M. Dearing 1936-12-25 821 Riverside Thousand Palms Comment
  UCSB37889  Krameria bicolor Roos, John 1965-6-23 Riverside Colorado Desert, Lost Palms Canyon in the Eagle Mtns. Comment
  RSA718174  Krameria canescens Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms Comment
  CLARK-A1528-567  Krameria grayi I. Rauch 1968-4-9 Riverside Palm Desert Comment
  SD245277  Lactuca serriola Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49541 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UCR94926  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  SD178133  Laennecia coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile southeast of Alberhill. Margins of muddy pool in old clay pit. Around high water line of pool and in upper parts of dried bed. 438 Comment
  RSA192323  Lagophylla ramosissima E. W. Lathrop 1966-9-14 6584 Riverside 3 miles SW of Murrieta. Comment
  RSA198982  Lamarckia aurea R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37584 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  SD143875  Lamium amplexicaule Scott D. White 1993-3-3 1089 Riverside Romoland/Winchester Area 440 Comment
  UC963824  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside ca. 2.5 mi. beyond Mission Well (near Meek Mine); Mohave Desert, Pinto Mts. 579 Comment
  JOTR32129  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2285 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  LA209863  Larrea tridentata A. M. Johnson; 1933-4-28 4223 Riverside flat below Palm Springs along hwy over mountains to Hemet Comment
  POM48453  Larrea tridentata Philip A. Munz, D. D. Keck 1925-3-7 9349 Riverside Painted Canyon, Mecca. Comment
  POM8310  Larrea tridentata Mary F. Spencer 1920-4-9 223 Riverside In desert sand. Palm Springs. 122 Comment
  RSA0034156  Larrea tridentata M. Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  RSA390019  Larrea tridentata M. B. Dunkle 1935-3-17 4409 Riverside Desert Center 61 Comment
  UC665863  Larrea tridentata Ira L. Wiggins 1941-3-24 9567 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  RSA0106455  Lasthenia californica Daphne K. Christopher, Hannah Stevens 2003-4-3 81 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak trail. 536 Comment
  CAS-BOT-BC354214  Lasthenia coronaria A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37811 Riverside Peninsular Range: southeastern Gavilan Hills N 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
  JEPS29319  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-26 8415 Riverside 2.2 mi nw Alberhill (at headwaters of Temescal Creek); Temescal Creek Comment
  RSA771760  Lasthenia coronaria Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4637 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC665882  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside 4 mi n of Whitewater Comment
  UCR85566  Lasthenia glabrata subsp. coulteri Julie A. Greene 1993-4-10 1149 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  PASA1563  Lasthenia glabrata var. coulteri Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 374 Comment
  RSA5024  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC69222  Lasthenia gracilis F. M. Reed 1905-5-15 16 Riverside canyon in hills near Auburndale Bridge (vicinity of Riverside) Comment
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR232361  Lasthenia gracilis John F. Green 2008-4-16 0408- 36 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  POM2641  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1918-4-27 2127 Riverside Elsinore Comment
  RSA33899  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  SD133092  Lathyrus vestitus var. alefeldii Scott White 1991-5-10 91 80 Riverside Hwy 79 immediately west of US Forest service Campground at Dripping Springs 548 Comment
  UCR112395  Layia platyglossa A. C. Sanders, K. C. Rose 1998-5-21 21856 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR180055  Layia platyglossa Mitch Provance 2005-5-18 9805 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
  UCR281278  Layia platyglossa Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 21 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
  RSA748054  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA549244  Leersia oryzoides A. C. Sanders, CNPS field trip, O. F. Clarke 1991-10-5 11740 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. Comment
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Jan 9 2008
  SD140222  Leersia oryzoides A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and Santa Ana River, circa 50-100 meters below the lake. Comment
  SD114841  Lemna gibba Wayne P. Armstrong 1983-10-8 1170 Riverside Santa Ana River, east of bridge where Highway 31 crosses river (north of Norco). 206 Comment
  SD80983  Lepechinia cardiophylla Dick Potter 1970-8-1 Riverside 20 miles southsoutheast of Corona on Horsethief trail in vicinity of Main Divide Road. 1219 Comment
  UCR228828  Lepidium dictyotum var. dictyotum A. C. Sanders, T. B. Salvato 2011-4-4 38972 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  CAS-BOT-BC89433  Lepidium fremontii Ira L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring, Chuckawalla Mountains. Comment
  JEPS53618  Lepidium fremontii John Thomas Howell 1928-1-30 3305 Riverside 2 mi e Shaver's Well; Colorado Desert Comment
  LA204439  Lepidium fremontii Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  UC170137  Lepidium fremontii E. E. Schellenger 1895-12-5 92 Riverside Chuckawalla Bench Colorado Desert Comment
  UCR260254  Lepidium fremontii A. C. Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  POM48142  Lepidium lasiocarpum E. E. Schellenger 1920-05 s.n. Riverside E of Mecca, Colorado Desert. Comment
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Jun 18 2011
  POM8520  Lepidium lasiocarpum Mary F. Spencer 1920-4-20 1495 Riverside Palm Springs. 122 Comment
  UC1929605  Lepidium lasiocarpum Scott D. White 2001-3-13 8162 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UCR140329  Lepidium lasiocarpum A. C. Sanders, Guy Bruyea 2004-4-2 27424 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA651362  Lepidium nitidum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 762 Comment
  RSA681895  Lepidium nitidum Scott D. White 2001-3-13 8162 Riverside Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  RSA736319  Lepidium nitidum Scott D. White, Justin Wood 2008-3-25 11773 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SD136872  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Western Flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA751098  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2009-5-21 12853 Riverside Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UCR1539  Lepidium virginicum var. robinsonii R. L. Irwin 1962-5-8 69 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.4 mi S on Canyon Crest Dr. from Pennsylvania Ave.; then left on a dirt road c. 0.3 mi; then to right about 0.5 mi to end ofroad; then over hill and up stream about 0.25 mi. 351 Comment
  UCR21995  Lepidospartum squamatum Steve Boyd 1980-7-12 334 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM319106  Leptochloa fusca subsp. uninervia Patricia Wilder 1970-10-15 4814 Riverside At base of Prado Dam near locks in Prado Flood Control Basin. East of Chino Hills, Santa Ana River. 122 Comment
  RSA289874  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4089 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  SEINET3412102 Image available Leptochloa fusca subsp. uninervia Unknown 1987-8-19 8054 Riverside 2 km south of Ripley. Along an irrigation ditch at edge of a cotton field. Forming large and conpicuous clumps. Locally common 15 Comment
  CAS-BOT-BC274376  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  RSA425021  Leptochloa panicea subsp. mucronata J. C. Roos 1958-9-28 s.n. Riverside Coachella. Comment
  SEINET3829011  Leptochloa uninervia Steve Boyd, Orlando Mistretta 1992-1 7050 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCR35057  Leptodactylon californicum L. B. Ziegler 1967-4-18 116 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  UC597604  Leptodactylon pungens Philip A. Munz 1937-5-29 15100 Riverside Shumway Santa Rosa Mts., edge of Pinyon Flat (edge of Pinyon Flat) 1219 Comment
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Dec 18 2011
  RSA221059  Leptosiphon floribundus subsp. glaber E. W. Lathrop 1966-4-27 6216 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  POM364723  Leptosiphon lemmonii E. C. Jaeger 1921-6-16 s.n. Riverside Strawberry Valley. 1585 Comment
  RSA74294  Leptosiphon lemmonii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SD137679  Leptosiphon lemmonii Darin L. Banks, Steve Boyd 1995-5-30 475 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north flank of Agua Tibia Mountain along the Drippiong Springs Trail; south opf the Dripping Springs Campground just inside the wilderness boundary. 505 Comment
  RSA356650  Leptosiphon liniflorus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47303 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro: E side of Mesa 609 Comment
  UC1378940  Lesquerella tenella Reed C. Rollins 1967-4-17 6755 Riverside near Cottonwood Springs campground; Joshua Tree National Monument, near Cottonwood Springs campg Comment
  CAS-BOT-BC339370  Lessingia glandulifera var. glandulifera John F. Emmel 1970-9-24 328 Riverside Highway between Idyllwild and Mountain Center, San Jacinto Mts. 1524 Comment
  UCR113537  Leymus condensatus Mitch Provance 1998-6-6 687 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  POM265758  Leymus triticoides J. C. Roos 1937-5-19 2062 Riverside Along Santa Ana River, near Norco. Comment
  CAS-BOT-BC451635  Lilaea scilloides Robert F. Thorne; E. Lathrop; P. Munz 1968-5-8 37569 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 670 Comment
  UC1265371  Lilaea scilloides Robert F. Thorne and Earl Lathrop 1969-5-12 37932 Riverside s end Mesa de Colorado, Rancho (nw of large marsh); Santa Rosa Plateau 624 Comment
  JOTR30666  Linanthus aureus subsp. aureus La Doux, Tasha, Jim Andre 2008-3-21 142 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  RSA49349  Linanthus aureus var. decorus P. A. Munz 1949-4-11 13017 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA757733  Linanthus bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  RSA689560  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-25 9106 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
  RSA720466  Linanthus dianthiflorus Naomi Fraga, Tim Thibault 2006-5-16 1672 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UC665884  Linanthus dianthiflorus Ira L. Wiggins 1941-3-27 9692 Riverside 4 mi n Whitewater Comment
  UC52544  Linanthus floribundus subsp. hallii H. M. Hall 1902-4-9 2767 a Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 182 Comment
  UCR279327  Linanthus jonesii A. C. Sanders, Jim Malusa 2017-3-23 42915 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR82883  Linanthus liniflorus A. C. Sanders, P. J. MacKay 1994-10-23 15847 Riverside San Bernardino Mtns., Between the trout hatchery and Bonnie Bell 780 Comment
  RSA678423  Linanthus parviflorus Michael Wall 2003-4-26 304 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  RSA468523  Linanthus pungens Robert Kessler 1920-7-4 17044 Riverside Mount San Jacinto. Comment
  UCR91407  Linaria canadensis Scott D. White 1995-4-5 2743 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR8101  Linum lewisii B. Freeman 1969-6-14 690614- 3 Riverside San Jacinto Mtns, University of California, Riverside's James Reserve, road from Banning to Idyllwild, near Lake Fulmor. Trailfinder's Camp. 1646 Comment
  UCSB18971  Linum lewisii Keefe, Joseph 1961-5-6 Riverside Allendale Pines, north of Idyllwild 1371 Comment
  UCR13412.2  Lithophragma affine William E. Mortenson 1973-5-27 8 Riverside San Jacinto Mtns., 14.1 mi south of Banning on Calif. Route 243 (Palms to Pines Hwy). 100 yds. west of Hwy in a wooded area 1677 Comment
  POM128389  Lithophragma affine subsp. mixtum T. Craig 1927-4-23 221 Riverside Glen Ivy. Comment
  POM1582  Lithophragma affine subsp. mixtum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  UCR41246  Loeflingia squarrosa N. M. Fellows, A. C. Sanders 1985-4-9 122 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
  UCR83196  Logfia filaginoides A. C. Sanders 1994-5-15 14487 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  SEINET251732 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -3 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  RSA511058  Lolium perenne Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR23302  Lolium perenne subsp. multiflorum John C. Roos 1952-5-14 5661 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  RSA691957  Lomatium dasycarpum Scott D. White, Michael Honer 2003-4-9 8980 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA221026  Lomatium lucidum E. W. Lathrop 1966-3-23 6089 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UC874770  Lomatium mohavense Lee Haines 1937-4-11 Riverside Keys View Little San Bernardino Mountains Comment
  POM13704  Lomatium mohavense subsp. longilobum P. A. Munz, I. M. Johnston 1922-5-21 5501 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  SD236257  Lonicera japonica Jeffrey Ross 1998-6-4 152 Riverside Upper Santa Ana River/San Bernardino Valley: Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside (Riverside 7.5'Q) 305 Comment
  POM12914  Lonicera subspicata var. denudata P. A. Munz 1922-6-25 5823 Riverside San Jacinto Mts. Between Vandeventer and Hemet Valley. 1433 Comment
  RSA33622  Lonicera subspicata var. denudata N. C. Cooper 1944-7-15 1582 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA388333  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UC1125311  Lonicera subspicata var. denudata R. St. John 1931-1-24 177 Riverside ne Oak Mountain; San Jacinto Quadrangle Comment
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Nov 27 2011
  UCSB26906  Lonicera subspicata var. denudata Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mountains Comment
  UCR87651  Lotus argophyllus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA496733  Lotus argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts., near southernmost radio towers 793 Comment
  RSA504557  Lotus argophyllus var. argophyllus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on Nuevo. 640 Comment
  JEPS55400  Lotus argyraeus var. argyraeus W. L. Jepson 1901-5-25 1440 Riverside Coyote Canyon near El Toro (Journey from Riverside to Santa Rosa Peak and Palomar); Coyote Canyon Comment
  RSA0027734  Lotus crassifolius John F. Emmel 1985-6-30 945 Riverside Along north edge of Strawberry Creek, west of Idyllwild. Comment
  UCR174051  Lotus hamatus A. C. Sanders 2006-5-19 32445 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA195479  Lotus heermannii C. R. Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  UC15609  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR181159  Lotus humistratus R. E. Riefner Jr. 2005-8-28 05- 649 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR151041  Lotus nevadensis var. davidsonii Scott D. White 1998-7-31 6943 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA339624  Lotus procumbens R. F. Thorne, C. W. Tilforth 1980-5-28 54164 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UCR171137  Lotus purshianus John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UC1543245  Lotus rigidus Donald G. Nelson 1936-5-22 386 a Riverside near base of Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway, on trail down to stream in Palm Springs Canyon); Santa Rosa Mountains Comment
  UC864926  Lotus salsuginosus var. brevivexillus C. L. Hitchcock 1940-3-29 5854 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  UCR214273  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37744 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA192128  Lotus scoparius var. scoparius E. W. Lathrop 1965-5-9 5749 Riverside 6 miles W of Murrieta. Comment
  RSA498847  Lotus scoparius var. scoparius G. R. Johnstone 1934-3-27 18576 Riverside Near Wildomar. Inland route to Temecula. Comment
  CLARK-A1528-2808  Lotus strigosus John C. Roos 1954-5-15 6120 Riverside Reche Canyon 731 Comment
  RSA571289  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8269 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  UC15698  Lotus strigosus H. M. Hall May 17 1901-Jun 1 1901 1809 Riverside s side San Jacinto Mt. 1615 Comment
  UCR42356  Lotus strigosus var. hirtellus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 189 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR279350  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-23 42939 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  CLARK-A1528-2810  Lotus subpinnatus John C. Roos 1952-4-9 5478 Riverside Riverside 259 Comment
  CLARK-A1045-401  Ludwigia peploides George K. Helmkamp 1979-5-15 Riverside Jurupa ""at S.A. Picnic Area""; ; Fontana 7.5' Q 243 Comment
  UC64309  Ludwigia peploides subsp. peploides H. M. Hall Riverside Riverside Comment
  UCR177944  Lupinus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 028 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA0042165  Lupinus arizonicus Duncan S. Bell, Evan Meyer 2014-4-2 6521 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA160028  Lupinus arizonicus David B. Dunn 1946-2-22 1965 Riverside All American Canal catch basin from desert washes. Orocopia Mts. north east of the Salton Sea. Comment
  RSA788985  Lupinus arizonicus Aaron C. Sedgwick, David Fraker 2012-3-28 21 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG38558  Lupinus arizonicus E. R. Blakley 1966-4-9 6755 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  UCR166873  Lupinus arizonicus Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR167214  Lupinus arizonicus S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR213387  Lupinus arizonicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37446 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SBBG69034  Lupinus concinnus M. N. Ackley -Mar-1922 524 Riverside Murrieta Hot Springs 398 Comment
  SDSU13492  Lupinus concinnus Ryan Jacobson, Jeremy Mass 2000-9-8 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. 177 Comment
  UC68638  Lupinus concinnus H. M. Hall May, 1905 6022 Riverside Cottonwood Mts.; Colorado Desert, Cottonwood Mts. 609 Comment
  RSA645612  Lupinus concinnus subsp. optatus Scott D. White, Steve Ogg 1994-4-21 1988 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA719047  Lupinus concinnus subsp. orcuttii Michael Honer 2005-3-11 2053 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  RSA519404  Lupinus elatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC205387  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  JOTR34274  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  UCR77720  Lupinus excubitus var. austromontanus Steve Boyd 1991-5-7 6159 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  POM2498  Lupinus excubitus var. hallii L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA502514  Lupinus excubitus var. hallii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3571 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA613448  Lupinus excubitus var. hallii D. L. Banks, Victor W. Steinmann 1997-3-13 1444 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA618414  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 south fork of Pechanga Creek. 396 Comment
  SEINET10865805  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7146 Riverside Chaparral along roadside. 0.8 Mi w of anza on hwy 71. 1036 Comment
  RSA0012054  Lupinus hirsutissimus Steve D. Boyd, Susan Jett 2008-3-20 11827 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  UCR41701  Lupinus hirsutissimus George K. Helmkamp 1986-4-7 755 Riverside Sonoran (Colorado) Desert, S of Morongo Valley. First canyon east of and parallel to Hwy 62 north of Indian Ave. 579 Comment
  SD229155  Lupinus hyacinthinus Dick Schwenkmeyer 2012-8-7 782 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UC729932  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3985 Riverside along trail from Tahquitz Valley to San Jacinto Peak (near junction of Round Valley Trail); San Jacinto Mts., trail fr Tahquitz Valley to San Jacinto Pe 2956 Comment
  SEINET10485438  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2716 Riverside 1/4 mi. Along trail to hidden lake from round meadow. San jacinto mts. Comment
  POM280801  Lupinus microcarpus var. densiflorus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  UCR20386  Lupinus shockleyi W. W. Mayhew 1980-4-8 s.n. Riverside Sonoran (Colorado) Desert, 300 ft. north of 38th Ave. between Washington and the (Interstate Hwy 10) freeway, Coachella Valley 49 Comment
  SBBG3699  Lupinus sparsiflorus H. and M. Dearing 1937-4-10 648 Riverside E of Banning Comment
  UC1287153  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside about 5 mi ne Aguanga Comment
  UCR225720  Lupinus sparsiflorus A. C. Sanders 2011-3-30 38907 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR86885  Lupinus sparsiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16290 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
  POM12644  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-9 4901 a Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA414268  Lupinus sparsiflorus var. mohavensis N. C. Cooper 1944-3-25 2014 Riverside Cabazon. 549 Comment
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Nov 22 2011
  RSA660561  Lupinus succulentus Bruce Albert 1982-4-17 59 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  SEINET10490985  Lupinus succulentus var. succulentus August J. Breitung 1953-4-26 Breitung 14772 Riverside San jacinto. Sandy field. Flowers blue. Keel ciliate above and below near Base. Comment
  CSUSB1456  Lupinus truncatus Charles Herrick 1974-4-7 Riverside San Timoteo Creek Wash next to freeway 10 Comment
  UCR138827  Lupinus truncatus D. L. Banks 1997-2-23 1311 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR47243  Lupinus truncatus B. G. Pitzer, L. F. LaPre 1987-3-2 0422 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  CAS-BOT-BC231412  Lycium andersonii J. C. Roos 1966-2-12 s.n. Riverside 2 miles east of Desert Center Comment
  UCR216218  Lycium andersonii Jim Andre, T. La Doux 2009-2-25 10893 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JOTR30955  Lycium cooperi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1930 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA0125107  Lythrum californicum Duncan S. Bell 2016-10-27 10216 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA575859  Machaeranthera asteroides var. asteroides Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UCR34936  Machaeranthera canescens subsp. canescens L. B. Ziegler 1964-10-10 45 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  CLARK-A1528-5378  Machaeranthera tephrodes John C. Roos 1951-10-19 5330 Riverside San Jacinto River 457 Comment
  RSA180445  Madia gracilis E. W. Lathrop 1965-5-30 5784 Riverside 6 miles west of Murrieta Comment
  UC1595643  Madia gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6186 Riverside lower flank of range along Bedford Truck Trail on ridge between Bedford Cyn. and McBribe Cyn.; Santa Ana Mountains 548 Comment
  CSUSB1367  Malacothamnus fasciculatus James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. 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
  RSA180425  Malacothrix clevelandii E. W. Lathrop 1965-5-9 5246 Riverside 6 miles W of Murrieta. Comment
  CAS-BOT-BC347699  Malacothrix glabrata N. Aitkenhead 1977-2-2 2122 Riverside ~1 mi. from junction of JT Mon Rd & pipeline Comment
  CHSC100692  Malacothrix glabrata Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  RSA771656  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4912 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
  RSA776022  Malacothrix glabrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 985 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UC55115  Malacothrix glabrata H. M. Hall 1902-4-12 2838 Riverside Coyote Canyon, w Colorado Desert Colorado Desert 152 Comment
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Jun 21 2011
  UCR165827  Malacothrix glabrata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR270750  Malacothrix saxatilis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8363 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  OBI37525  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Kieth Rd, just E of the Bear Crk dev golfcourse Comment
  SD260975  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley: edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. betweeen Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  POM254731  Marina parryi Philip A. Munz 1940-3-23 15685 Riverside Gold Crown mine, Pinto Mts. east of 29 Palms. 915 Comment
  RSA113922  Marina parryi Percy C. Everett, E. K. Balls 1956-5-2 21554 Riverside 4 miles North from turnoff Hwy. 60/70, W of Desert Center, on road to Eagle Mt. Pumping Station. 305 Comment
  RSA404230  Marina parryi N. C. Cooper 1949-4-8 3295 Riverside Desert Center. 610 Comment
  SD121977  Marina parryi Leota Davidson 1966-4-3 317 Riverside Highway 10 at Wiley Wells turn-off, 20 miles east of Desert Center. Comment
  UCR72199  Marina parryi Theo Glenn 1991-5-20 91- 99 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UCR90323  Marina parryi Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  UCR167689  Marrubium vulgare T. B. Salvato, Melissa Clemons 2005-6-23 1288 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  RSA192107  Marrubium vulgare E. W. Lathrop 1959-5-17 4555 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC348065  Matricaria discoidea Scott D. White 1996-4-14 3888 Riverside Perris Basin, W Riverside Co. Hemet: along Florida Ave. Comment
  RSA741103  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-5 12084 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR282161  Matricaria occidentalis R. E. Riefner Jr. 2017-4-2 17- 139 Riverside Perris-Aguanga Basin, city of Hemet, along California Ave. near Stowe Road 468 Comment
  POM348041  Medicago polymorpha Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA652171  Medicago polymorpha W. H. Grady 1948-5-6 s.n. Riverside Found 2 mi. west of Riverside near drainage ditch, west of Santa Ana River. 243 Comment
  UCR149992  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  SD162826  Melica californica A. C. Sanders 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills, rocky gabbro and granite hill 566 Comment
  CLARK-A1528-72  Melica imperfecta Fred B. Essig 1967-5-7 Riverside Box Springs Mountains Comment
  SD144118  Melica imperfecta Scott D. White 1997-5-25 5235 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing 975 Comment
  UCR128559  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23905 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SD126627  Melilotus indicus Ed LaRue 1989-4-21 129 Riverside Moreno Valley, University of California agricultural experimental farms, 0.5 mile south of Alessandro Blvd at northeast corner of Cactus Avenue and Nason Street. Comment
  SD137761  Melilotus indicus Darin L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Wilderness Area; north sloope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR104900  Melilotus indicus A. C. Sanders 1997-3-19 20032 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR143385  Mentha aquatica Joseph A. Ewan 1931-10-3 5212 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  SD227845  Mentzelia affinis Scott D. White, Pam Devries 1998-3-3 6088 Riverside La Quinta / Palm Desert area; Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  RSA239809  Mentzelia involucrata C. W. Tilforth 1973-4-29 774 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  RSA777730  Mentzelia involucrata Jim Andre, G. L. Clifton 2011-2-22 17440 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  SBBG81726  Mentzelia involucrata S. A. Junak 1983-3-23 1647 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  RSA4941  Mentzelia involucrata var. megalantha Carl B. Wolf 1932-4-27 3056 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UCR22118  Mentzelia montana Steve Boyd 1980-5-15 279 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  GMDRC9792  Mentzelia nitens J. M. Andre 2017-3-1 37989 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA674685  Mentzelia obscura Scott D. White 2001-4-27 8423 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA180424  Micropus californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta. Comment
  UCR102895A  Microseris douglasii subsp. douglasii A. C. Sanders 1997-4-3 20168 A Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA524416  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4108 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
  RSA648663  Microseris heterocarpa R. E. Riefner 1998-3-22 98 -184 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  UCR116506  Microseris heterocarpa A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 745 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR120954B  Microseris heterocarpa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 B Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR132744  Microseris heterocarpa Scott D. White 1993-4-22 1235 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR180042  Microseris lindleyi Mitch Provance 2005-5-18 9813 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
  UCR137478  Mimulus aurantiacus D. L. Banks 1997-3-16 1532 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  UCR234758  Mimulus aurantiacus var. pubescens A. C. Sanders, John F. Green 2012-6-25 40313 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  SDSU12851  Mimulus aurantiacus var. puniceus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998H Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  UCR174553  Mimulus aurantiacus var. puniceus Jennifer H. Jones 2006-6-6 405 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UCR251705  Mimulus aurantiacus var. puniceus T. B. Salvato, Mike Landers 2013-3-21 7412 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  UCR72232  Mimulus bigelovii Theo Glenn 1991-5-24 91- 130 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  UCR174079  Mimulus brevipes A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32583 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
  UCR201953  Mimulus brevipes Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  SFV21864  Mimulus cardinalis L. Malessa 2000-7-23 s. n. Riverside San Jacinto Mountains Dark Canyon, North Fork San Jacinto River. Dark Canyon Campground. 1770 Comment
  UCSC000865  Mimulus cardinalis Peter Kamb 1948-7-11 1199 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  JEPS26106  Mimulus fremontii var. fremontii Peter H. Raven 1958-5-17 12946 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR12633  Mimulus fremontii var. fremontii Ed West 1972-5-5 06 Riverside San Jacinto Mtns, 15.3 miles from Banning on the Palms to Pines Hwy [Hwy 243] 1738 Comment
  UCR163338  Mimulus guttatus T. B. Salvato, Kelly Volansky 2003-3-27 127 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR18441  Mimulus guttatus J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  UCR42547  Mimulus guttatus B. G. Pitzer 1986-4-26 191 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA356647  Mimulus pilosus Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47301 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA559317  Mimulus pilosus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7371 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR256786  Mimulus pilosus T. B. Salvato, Matthew Malle 2013-5-20 7573 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  CLARK-A1528-4269  Mimulus puniceus John C. Roos 1937-5-10 2334 Riverside Elsinore Comment
  CAS-BOT-BC388771  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon: Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15 Comment
  UCR107707  Mirabilis californica A. C. Sanders 1997-3-1 19745 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  CAS-BOT-BC434683  Mirabilis laevis var. crassifolia Catherine A. Toschi 1963-4-5 63 :101 Riverside 3 miles northeast of Moreno 304 Comment
  RSA0027988  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3874 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA0107846  Mirabilis laevis var. crassifolia Duncan S. Bell, Amanda Turek 2009-3-30 170 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  SD143816  Mirabilis laevis var. crassifolia A. C. Sanders, G. Waines, et al. 1997-3-12 19886 Riverside Lake Skinner area; lower Rawson Canyon, northeast of the lake and southwest of Black Mountain. 518 Comment
  SEINET3142104  Mirabilis laevis var. crassifolia P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon, 2 mi N of Banning - Indio blvd. Comment
  UC1136585  Mirabilis laevis var. crassifolia R. St. John 1931-2-13 184 Riverside Rome Hill Elsinore 1310 Comment
  UC1537367  Mirabilis laevis var. crassifolia Gordon H. True 1935-2-27 21 Riverside Box Springs 365 Comment
  SJSU8552  Mirabilis laevis var. retrorsa R. C. McGehee 1970-4-28 239 Riverside 2 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  RSA0112090  Mirabilis laevis var. villosa Duncan S. Bell 2010-2-21 546 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  POM12912  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek, Hemet Valley Comment
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Mar 24 2011
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  JOTR16852  Mohavea confertiflora Vanderspek & Youse 1964-4-19 64524 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  RSA408770  Mohavea confertiflora Robert Gustafson 1983-3-27 2479 Riverside Dry rocky canyon southwest of Lake Cahuilla. Comment
  UC1007179  Mohavea confertiflora Philip A. Munz 1940-3-23 15673 Riverside road Dale to Cottonwood Springs (s base of Pinto Mountains); Pinto Mountains 609 Comment
  UCR233183A  Mohavea confertiflora Jim Andre, Glenn L. Clifton 2011-2-22 17422 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCSB10569  Mohavea confertiflora Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  RSA0027469  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 58 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
  UCR163875  Mollugo cerviana B. G. Pitzer 2000-11-4 4243 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
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UC1995305  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  CAS-BOT-BC402176  Monardella breweri subsp. glandulifera R. F. Thorne; 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
  UC729818  Monardella breweri subsp. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  RSA587580  Monardella lanceolata D. L. Banks, Steve Boyd 1995-6-15 704 Riverside NW Palomar Mountains; Agua Tibia Mountains; Devils Hole area, NNE of the Crosley Homestead; On the Crosley Road, approximately 0.2 miles N from its junction with the Cutca Road. 732 Comment
  POM192932  Monardella lanceolata var. lanceolata Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
  RSA771487  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  UC597718  Monardella nana Philip A. Munz 1937-5-31 15114 Riverside At Anza Tablet, head of Coyote Canyon, SW Riverside County 1066 Comment
  RSA750401  Monardella nana subsp. arida Elizabeth McClintock 1941-5-22 s.n. Riverside Anza Monument, 5 miles south of Anza, on road to Coyote Canyon. Comment
  UCR221497  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 05 Riverside Peninsular Range; Santa Rosa Mtns., 0.25 mi. off Pines to Palms Highway, on road to Santa Rosa Mtn. 1433 Comment
  IRVC2061  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-9 SJ 354 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1814 Comment
  RSA750288  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 96 Riverside Banning-Idyllwild road. 2 miles beyond Stone Creek. Comment
  SEINET3996321 Image available Monardella nana subsp. tenuiflora Helen K. Sharsmith 1954-7-7 4444 Riverside San Bernardino National Forest; between Fuller Creek and Idlewild, on FS road to Black Mountain ca 1 mile from highway 1981 Comment
  UCR123187  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns, Split Rock, Joshua Tree National Park, north of 'Ruby' VABM 4351 on west side of road 1296 Comment
  UC68566  Monolepis nuttalliana H. M. Hall Apr., 1905 5750 Riverside vicinity of Riverside (Box Springs Grade) 457 Comment
  CAS-BOT-BC349806  Monoptilon bellioides S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  POM7906  Monoptilon bellioides P. A. Munz, R. D. Harwood 1920-4-4 3512 Riverside Pass south of Palm Springs. 152 Comment
  RSA623606  Monoptilon bellioides Ernest Braunton 1940-4-3 2012 Riverside 25 miles Northeast of Indio. Comment
  RSA0018893  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  CAS-BOT-BC274913  Muhlenbergia rigens H. M. Hall 1901-6-1 2427 Riverside San Jacinto Mountains. Tauquitz Valley 1889 Comment
  UCR163587  Myosurus minimus Robert Noll 1998-3-31 s.n. Riverside West of Hemet, junction of Florida and Warren, c. 200 ft. NE of intersection 457 Comment
  UCR281106  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 26 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UC217896  Nama P. A. Munz, D. Keck 1922-4-8 4740 Riverside Mecca , Mecca (Colorado Desert) -30 Comment
  RSA33376  Nama demissa N. C. Cooper 1944-3-25 1036 Riverside Morongo Pass. 457 Comment
  RSA346261  Nama demissa Robert F. Thorne, C. W. Tilforth, L. M. Shultz, Elbert Benjamine, J. Hogge 1980-4-16 54047 Riverside Along Whitewater River, E of bridge and levee. Comment
  UCR30093  Nama demissa George K. Helmkamp 1983-4-5 483- 40 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCSB13108  Nama demissa Dearing, Hugh; Dearing, Margaret 1941-4-9 Riverside Eight miles south of Mecca; Riverside County, California Comment
  UCR157356  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 s.n. Riverside San Jacinto Valley, Mystic Lake, lakeshore west of Bridge Street intersection with Gilman Springs Road 436 Comment
  UCR209672  Nama stenocarpa Fred M. Roberts, Carol A. Roberts 1999-10-23 5254 Riverside San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak 433 Comment
  RSA496122  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2999 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA557878  Nassella lepida Steve Boyd, Orlando Mistretta 1992-4-23 7052 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCD87874  Nassella lepida Peter Kamb 1948-2-1 798 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. Upper Sonoran Zone. 304 Comment
  UC1931110  Nasturtium officinale Scott D. White, Justin Wood 2008-6-18 12229 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  RSA681894  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-17 9554 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  SEINET7063230  Nemacladus longiflorus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR1558  Nemacladus longiflorus var. longiflorus David L. Davis 1962-5-19 132 Riverside San Jacinto Mtns, Bautista Canyon, along road c. 13 mi. from Hwy 74 610 Comment
  RSA586115  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-4-5 0155 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, W of the Dripping Springs Trail. 503 Comment
  UCR44436  Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  SEINET10840519  Nemacladus rubescens Secrest 1948-4-7 SECREST s.n. Riverside Near Desert Springs Comment
  SEINET10906123  Nemacladus rubescens Philip A. Munz 1926-1-31 Munz 9979 Riverside Dos Palmos Spring Comment
  RSA0126416  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 -A Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  RSA510051  Nemacladus tenuis var. aliformis B. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 604 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA517834  Nemacladus tenuis var. aliformis Steve Boyd, Orlando Mistretta 1986-3-13 1460 Riverside West side Palen Mts.: NE of Desert Center. Comment
  POM258226  Nemophila menziesii Lester Rowntree 1941-3-26 s.n. Riverside Soboba Springs. Comment
  RSA421362  Nemophila menziesii H. de Forest 1929-3-16 14644 Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  RSA523488  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3948 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  SD181486  Nemophila menziesii Scott D. White 2000-4-12 7644 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  UCR35124  Nemophila menziesii var. integrifolia L. B. Ziegler 1968-5-1 280 Riverside San Jacinto Mtns., at Chimney Flats 1468 Comment
  POM157926  Nemophila pedunculata P. A. Munz 1927-5-21 10845 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  SD227909  Nicotiana acuminata var. multiflora Andrew C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22232 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Hathaway Creek Canyon. 837 Comment
  RSA192313  Nicotiana bigelovii var. wallacei H. A. Zuill 1966-7-1 272 Riverside Main Divide Truck Trail in the moutains south of Elsinore Lake. Comment
  SEINET3224404  Nicotiana glauca G. Goodwin 2012-6-15 3458 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR132745  Nicotiana obtusifolia Scott D. White 1993-2-5 1044 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  SD4487  Nicotiana quadrivalvis F. G. Woodstock 1928-4-27 Riverside Desert road to Aguanga Comment
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Jul 21 2013
  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
  CAS-BOT-BC131882  Nolina parryi Peter H. Raven 1959-5-18 14246 Riverside 0.9 miles south of Mountain Center on road to Aguanga, San Jacinto Mountains Comment
  UC336517  Notholaena californica unknown May 1880 Riverside San Jacinto Mountains Comment
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Mar 12 2011
  CLARK-A1528-35  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  UCR106343  Oenothera californica John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UC63396  Oenothera californica subsp. californica H. M. Hall 1904-5-20 4952 Riverside along S.P.R.R. vicinity of Riverside 262 Comment
  RSA0036090  Oenothera claviformis Norman C. Cooper 1944-3-26 1028 Riverside Morongo Pass 457 Comment
  POM355592  Oenothera deltoides subsp. deltoides H. Green 1939-4-1 s.n. Riverside Palm Springs. Comment
  CLARK-A1528-5707  Oenothera dentata John C. Roos 1937-4-18 1365 Riverside Cabazon Comment
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Jun 24 2020
  RSA736921  Oenothera elata subsp. hirsutissima Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10675 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA0124736  Oenothera primiveris Duncan S. Bell, LeRoy Gross 2016-3-9 8836 Riverside Orocopia Mountains; southern section of range; along the Bradshaw Trail, approximately 2 air miles southeast of Gucci Spring. 345 Comment
  UCSB4343  Oenothera sinuosa Koran, John 1958-4-14 Riverside 14.2 mi. W. of HWY111 on HWY 74; just outside of Palm Desert 609 Comment
  UC219187  Oligomeris linifolia P. A. Munz and D. Keck 1922-4-8 4741 Riverside 1/2 mi e Indio; Colorado Desert -15 Comment
  CAS-BOT-BC474745  Oncosiphon piluliferum R. E. Riefner, Jr. 2015-11-1 15 -430 Riverside City of Perris/Romoland area, Antelope Rd. at McLaughlin Rd. 452 Comment
  CAS-BOT-BC478175  Oncosiphon piluliferum R. E. Jr. Riefner 2015-6-3 15 -168 Riverside City of Hemet, ca. 100 yards N of W. Devonshire Ave and Meyers Street 473 Comment
  CDA7534  Oncosiphon piluliferum Mitch Provance 2003-4-18 6607 Riverside San Bernardino Valley; Riverside, Santa Ana River Wash, just under and northeast of the Market Street Bridge. Comment
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Feb 1 2018
  UCD134654  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga Region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mile south of Oleander Ave., at south end of Patterson Ave. 457 Comment
  UCD134655  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga Region: Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mile south of Van Buren Blvd. 465 Comment
  UCR249221  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  UCR282055  Opuntia basilaris Nathan Moorhatch, Michael D. Wilcox 2017-9-5 s.n. Riverside Riverside, Canyon Crest area, Box Springs Canyon just above flood control basin, north of Central Ave and east of Canyon Crest Dr. 346 Comment
  CAS-BOT-BC58052  Opuntia basilaris var. basilaris Catherine A. Toschi 1963-4-12 63 :128 Riverside Field redacted by CAS, contact the data manager for more information 304 Comment
  RSA7219  Opuntia chlorotica B. D. Stark 1932-6-5 3709 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  RSA285347  Opuntia phaeacantha Lyman Benson 1955-12-6 15625 Riverside Whitewater River canyon 5 miles above US 99. 610 Comment
  UCR41413  Opuntia phaeacantha A. C. Sanders 1984-4-21 5017 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  RSA285350  Opuntia polyacantha var. erinacea Lyman Benson 1955-12-6 15628 Riverside Pines to Palms Hwy; San Jacinto Mts. 1372 Comment
  CAS-BOT-BC56907  Opuntia polyacantha var. hystricina P. A. Munz 1952-8-21 8046 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA356627  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1979-8-29 47312 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  SEINET4080625  Orcuttia californica L. M. Boykin, P. M. Hall 2003-1 Riverside Comment
  JEPS70887  Orobanche cooperi L. R. Heckard 1973-4-24 3320 Riverside 2.5 mi e Joshua Tree National Monument entrance (s tip of Eagle Mountains); Eagle Mountains 533 Comment
  UCSB7503  Orobanche cooperi Nowell, J. 1958-3-22 Riverside Highway 60-70, 3 miles west of Desert Center Comment
  SEINET3108705  Orobanche cooperi subsp. cooperi Sears 1978-3-16 832 Riverside 12 mi NW of Midla nd, 3 mi SW of Rice. 244 Comment
  UCR24887  Orobanche fasciculata A. C. Sanders 1980-7-18 1635 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SEINET10745019  Orobanche fasciculata George Yatskievych 1981-4-26 Yatskievych 81 -137 Riverside State Highway 74, ca. 4 mi SE of Bee Canyon. 823 Comment
  CAS-BOT-BC355750  Osmadenia tenella Steve Boyd 1986-5-7 1847 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  SBBG132501  Oxalis californica S. D. White 2003-3-21 8825 Riverside Rancho Mission Viejo, E-facing slopes above an unnamed tributary to San Juan Crk 122 Comment
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May 28 2018
  POM11906  Paeonia californica P. A. Munz 1922-4-29 5112 Riverside E of Aguanga, Riverside Comment
  POM270840  Paeonia californica Lyman Benson 1932-3-26 3178 Riverside Temecula Grade. Temecula Valley. 549 Comment
  CAS-BOT-BC327919  Palafoxia arida John H. Thomas 1957-3-30 6552 Riverside 8.1 miles E of Cactus City, about 20 miles E of Coachella. Colorado Desert. 426 Comment
  CDA8434  Palafoxia arida D. Y. Rosenberg 1957-7-29 Riverside Near Mecca. 0 Comment
  UCR85144  Palafoxia arida A. C. Sanders, G. K. Helmkamp, P. MacKay 1995-3-12 16041 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  SEINET10799061  Palafoxia arida David B. Dunn 1946-2-23 Dunn 1958 Riverside Collected in mud flats dry and caked and split. All American CAnal catch basin from desert washes. Orascopia Mts. northeast of the Saltan Sea. Comment
  POM363731  Palafoxia arida var. arida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7812 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  UC577424  Palafoxia arida var. arida J. and H. W. Grinnell 1937-11-30 1089 a Riverside lakebed 24 mi w Blythe; Ford Dry Lake Comment
  SEINET3388822 Image available Palafoxia linearis Lewis S. Rose 1936-1-1 36003 Riverside Colorado Desert, L.A. Aqueduct Road, 15 mi. N. of Indio. 305 Comment
  SEINET3271553 Image available Panicum O. F. Clarke 2002-11-3 Riverside Peninsular Range; Riverside; UCR Botanical Garden 340 Comment
  RSA535743  Panicum capillare Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6649 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  SBBG133577  Panicum capillare J. M. Wood 2008-9-19 130 Riverside SW Perris Basin, Temecula-Murrieta Crk, downstream of 1st street bridge 293 Comment
  UCD89972  Panicum urvilleanum A. A. Beetle 1943-4-27 1937 Riverside Near Thousand Palms. Comment
  CSUSB1048  Papaver californicum Tony Beck 1968-5-4 680504 7 Riverside San Jacinto Mountains San Jacinto Mountains. 10 miles south of Banning on highway 74, in burned chaparral- Oak woodland. About 10-20 yards up hill on right side of road. 1219 Comment
  UCR1597  Papaver rhoeas R. L. Irwin 1962-5-8 0076 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  SD237635  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Road, 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi NE (25a^z)of Temescal Canyon Road where it goes under I-15 (Alberhill 7.5'Q) 404 Comment
  RSA0125268  Parietaria hespera var. hespera Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8758 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  SEINET13711433  Parkinsonia aculeata J. Adams, J. Adams (Botany) 1965-1 211 Riverside N Part of Palm Springs, on Hwy 111, 800 Ft 244 Comment
  GMDRC5514  Parkinsonia florida J. Andre 2012-3-19 21342 Riverside Chuckwalla Valley: along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of Jct with I-10 freeway 157 Comment
  RSA339330  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53567 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
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Apr 25 2011
  UCR163874  Pectis papposa B. G. Pitzer 2000-11-4 4242 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
  UCR241927  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  SD127609  Pectocarya heterocarpa David Charlton 1988-2-18 1147 Riverside Alluvial fan, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park,1 mile east of junction Dillon Road and Fargo Canyon Rd 609 Comment
  UCR127338  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR86877  Pectocarya linearis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16243 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
  RSA0028398  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4978 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA770312  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4402 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64310 487 Comment
  SBBG15824  Pectocarya linearis subsp. ferocula D. E. Breedlove 1962-3-11 1900 Riverside 5.7 mi SE of US Hwy 395 on St Hwy 74; rd to Hemet 487 Comment
  UCR108483  Pectocarya peninsularis A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15998 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  CLARK-A1045-235  Pectocarya platycarpa George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  JEPS20128  Pectocarya platycarpa I. W. Clokey 1935-4-17 6860 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  UC882286  Pectocarya platycarpa I. W. Clokey 1935-4-17 6860 Riverside Colorado Desert, Cottonwood Springs Comment
  JOTR38689  Pectocarya recurvata Hodges, Stephen R. 2017-2-7 705 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  SD70779  Pectocarya recurvata D. B. Dunn, Shogo, Schroeder, Bruskin and Folsom 1948-3-13 3723 Riverside Indio Hills, Colorado Desert, near Pushawalla. Comment
  SEINET7073385  Pectocarya recurvata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR228848  Pectocarya recurvata A. C. Sanders, Nathan Moorhatch 2011-3-22 38791 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR244392  Pectocarya setosa Jim Andre 2012-4-16 20966 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UC454809  Pedicularis semibarbata I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  UCR245611  Pelargonium capitatum O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  UCR170119  Pellaea andromedifolia Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 121 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  HSC35461  Pellaea mucronata J. D. Ackerman, A. M. Montalvo 1975-6-26 525 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  RSA771629  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4995 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UC54993  Penstemon X parishii H. M. Hall 1897-5-19 567 Riverside canyon of the San Jacinto River San Jacinto Mountains, canyon of San Jacinto River (Southern California) 914 Comment
  UCR189574  Penstemon californicus Theresa Johnson 2006-6-9 161 Riverside Pennisular Range; San Jacinto Mountains, Garner Valley. South of Morris Creek, north of Pipe Creek, c. 0.5 mi east of Highway 74 Comment
  POM12969  Penstemon centranthifolius Philip A. Munz, I. M. Johnston 1922-5-21 5538 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  UCSB16963  Penstemon centranthifolius Feldmann, P. 1963-5-4 Riverside 5 mi. along road from Banning; on road from Banning to Idyllwild 1371 Comment
  RSA97013  Penstemon centranthifolius R. M. Straw 1953-6-4 429 Riverside 0.5 mi. west of Santa Rosa Mountain Truck Trail on Palms to Pines Hwy. Comment
  RSA412502  Penstemon clevelandii subsp. connatus Gale Sphon 1956-6-13 s.n. Riverside Palms to Pines Hwy Comment
  JEPS44383  Penstemon grinnellii var. grinnellii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4263 Riverside 1 mi se Toro Peak ridge (Santa Rosa Mountains); , se of Toro Peak ridge 2286 Comment
  JEPS13908  Penstemon rostriflorus I. W. Clokey, E. G. Anderson 1935-8-2 6903 Riverside Fuller's Creek San Jacinto Mts., Fuller's Creek 1500 Comment
  UCR122523  Penstemon spectabilis George K. Helmkamp, E. A. Helmkamp 2001-5-20 6683 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR164932  Penstemon spectabilis T. B. Salvato, John F. Green 2004-5-27 627 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
  RSA621904  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3221 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  UCR268278  Penstemon spectabilis var. subviscosus Jim Andre 2012-6-15 30503 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  CAS-BOT-BC330344  Pentachaeta aurea John Thomas Howell 1927-8-2 2911 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  LA203845  Pentachaeta aurea W. B. Welch; 1925-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SBBG34196  Pentachaeta aurea T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake Comment
  UC218151  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-5 6367 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  SD216467  Peritoma arborea var. angustata Carol R. Annable, Lee Baron 1995-3-11 2268 Riverside Cactus City rest stop on Interstate 10. Comment
  SEINET5763216 Image available Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert Comment
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May 6 2015
  UCR167252  Perityle emoryi 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
  UCR227293  Perityle emoryi Jim Andre 2011-2-9 15928 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  SD181450  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado desert, Shavers Valley, near the I-10 Freeway, ca. 15 miles east of the Indio junction of I-10/SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station; Cottonwood Basin [quad]. 395 Comment
  UCR172747  Petunia parviflora Robert Cox, Chris E. True 2005-6-2 s.n. Riverside Perris-Aguanga Basin, SE of Perris Reservoir; Off Ramona Expressway c. 1.5 mi. west of Davis Road. Near San Jacinto River Channel and buried gas line 433 Comment
  UCR35269  Petunia parviflora L. B. Ziegler 1969-6-12 374 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) in sandy stream bed near Pine Meadows 1433 Comment
  CAS-BOT-BC326764  Peucephyllum schottii Carl B. Wolf 1932-4-26 2980 Riverside On Blythe Road 8 miles east of Mecca, Colorado Desert 91 Comment
  CAS-BOT-BC326775  Peucephyllum schottii Aven Nelson; Ruth Nelson 1939-3-27 3291 Riverside Near Fish Springs west of teh Salton Sea Comment
  JOTR35082  Peucephyllum schottii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3533 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  UC1546692  Peucephyllum schottii Barry A. Prigge 1988-2-21 7848 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR167447  Peucephyllum schottii 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
  UCSB36152  Peucephyllum schottii Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument 1/4 mile East Rd. 750 Comment
  POM259462  Phacelia ambigua E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  POM305413  Phacelia ambigua Henry J. Ramsey, Henry J. Ramsey 1939-11-28 687 Riverside 10 miles east of Indio. Comment
  RSA21752  Phacelia ambigua Carl B. Wolf 1937-4-6 8424 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  JEPS1555  Phacelia brachyloba W. L. Jepson May 17 1901-Jun 1 1901 1282 Riverside near Strawberry Valley; Mt. San Jacinto, San Jacinto Canyon Comment
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Jul 8 2014
  RSA525406  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4515 Riverside Vail Lake area, benches along Kolb Crk. W of Dripping Springs, S of Hwy 79, at jtn w/ Woodchuck Rd. 488 Comment
  SBBG65004  Phacelia campanularia E. C. Jaeger 1926-3-1 Riverside Whitewater Bench, Whitewater River Comment
  SBBG65005  Phacelia campanularia B. L. Clary -Feb-1928 Riverside near Edom 64 Comment
  JOTR33993  Phacelia campanularia subsp. vasiformis La Doux, Tasha, M. Harding 2010-4-7 2881 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
  RSA748599  Phacelia campanularia subsp. vasiformis Scott D. White, Justin M. Wood 2009-4-29 12627 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC648449  Phacelia crenulata var. ambigua Ira L. Wiggins 1937-3-9 8751 Riverside 1 mi below Chuckawalla Springs; Chuckawalla Mountains Comment
  UCSB34131  Phacelia crenulata var. ambigua Nilsen, Erik 1977-3-5 Riverside Upper Bajata, Riverside county 304 Comment
  CAS-BOT-BC133962  Phacelia distans John H. Thomas 1957-3-30 6568 Riverside Joshua Tree National Monument. About 3 miles southeast of White Tank near the road to Cholla Cactus Garden. About 20 miles northeast of Indio. 883 Comment
  CHSC109015  Phacelia distans Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4408 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.94127, W116.64118 and N33.94722, W116.64305. 488 Comment
  JEPS2381  Phacelia distans Dr. L. M. Newlon 1922-4-3 425 Riverside 6 mi w Indian Wells; Colorado Desert, Coachella Valley Comment
  RSA278976  Phacelia distans Barry A. Prigge 1978-3-23 2426 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA33656  Phacelia distans N. C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  RSA426072  Phacelia distans E. A. McGregor 1966-3-21 s.n. Riverside Coachella Valley, San Diego County. [Riverside Co] Comment
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Mar 4 2009
  RSA511360  Phacelia distans B. Pitzer 1988-3-12 664 Riverside Santa Rosa Mtns., Pinyon Flats Campground. 1220 Comment
  RSA555478  Phacelia distans D. Charlton 1988-2-18 1183 Riverside Alluvial Fan, S side of Little San Bernardino Mtns, Fargo Canyon road to Cottonwood wash, S of Joshua Tree National Par, Parallel to I10. 1 mile E of Jct Dillon Road and Fargo Canyon road. 610 Comment
  RSA667994  Phacelia distans C. R. Annable 1995-3-15 2280 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  SD38344  Phacelia distans Edith A. Purer 1935-4-21 6486 Riverside Western edge of Colorado Desert near Palm Springs. Comment
  UCR268945  Phacelia distans Jim Andre 2015-3-2 31360 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  SEINET12280101  Phacelia distans H. M. Hall 1902-1 2953 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  POM187413  Phacelia imbricata subsp. patula L. Crutcher 1933-8-1 9 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  UC1021341  Phacelia ivesiana var. pediculoides Harlan Lewis and Margaret Lewis March 1955 Riverside 2 mi e school (on road to Clark Lake); Borrego Valley Comment
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Feb 19 2013
  RSA0106452  Phacelia minor Daphne K. Christopher, Hannah Stevens 2003-4-4 87 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR98212  Phacelia minor B. G. Pitzer 1997-4-1 3060 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCSB5420  Phacelia minor Mazzia, Linda 1960-5-15 Riverside 2.2 miles south of Highway 70 and 99 on road from Banning to Idyllwild on north side of San Jacinto Mountains 914 Comment
  POM8639  Phacelia neglecta P. A. Munz, R. D. Harwood 1920-4-3 3562 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  POM13911  Phacelia pedicellata P. A. Munz, D. D. Keck 1922-4-9 4758 Riverside Shavers Well, near Mecca. 76 Comment
  RSA74795  Phacelia pedicellata F. W. Peirson 1920-2-16 970 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  UC64049  Phacelia ramosissima var. latifolia H. M. Hall June, 1901 2284 Riverside in vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  UCR23998  Phalaris aquatica John C. Roos 1962-6-30 s.n. Riverside Santa Ana Mtns, Head of Tin Mine Canyon Comment
  CAS-BOT-BC250727  Phalaris paradoxa A. C. Sanders; T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley: west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR174430  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32478 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  JEPS1853  Pholistoma membranaceum Marjorie D. Clary 1932-4-3 1617 Riverside 1/4 mi. s.w. Indio (Deep Canyon); Colorado Desert, Deep Canyon 365 Comment
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Nov 1 2011
  UCR97435  Pholistoma membranaceum A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19683 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  RSA132803  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines highway between Palm Springs and Keen Camp, State Hgwy 74.Colorado Desert Vegetation Type.Parasitic on Dalea spinosa. Comment
  RSA698148  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  RSA489836  Phoradendron pauciflorum D. Charlton 1988-5-28 2134 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  CAS-BOT-BC260907  Phragmites australis H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chino Canyon, San Jacinto Mts. Comment
  RSA0093978  Physalis crassifolia A. C. Sanders, Jim Malusa 2015-9-10 41858 Riverside Sonoran (Colorado) Desert. Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range. 480 Comment
  SEINET7907900  Physalis crassifolia D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to JoshuaTree Nat'l Park, S of Interstate 10 914 Comment
  UC26187  Physalis crassifolia S. B. Parish Apr 4 1896-Apr 13 1896 4131 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of San Jacinto Mt) 152 Comment
  UC583284  Physalis crassifolia Lewis S. Rose 1936-1-1 36001 Riverside 19 mi n Indio (Aqueduct Road); Colorado Desert 609 Comment
  JEPS8969  Physalis philadelphica Mr. McGraw 1904-1 Riverside Riverside Comment
  SJSU5755  Physaria tenella R. C. McGehee 1970-4-16 211 Riverside W of Wiley Well Comment
  UCR260255  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  POM12205  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SDSU21794  Pilularia americana Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3985 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC729934  Pinus flexilis Carl B. Wolf 1932-8-5 3982 Riverside summit of San Jacinto Peak San Jacinto Mountains, San Jacinto Peak 3293 Comment
  SD232127  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. Comment
  UCSB144  Pinus quadrifolia Bobkowski, Jr., Vincent 1960-5-15 Riverside 0.2 miles off of Highway 74 on the Road to Anza Comment
  RSA599117  Piptatherum miliaceum V. W. Steinmann, D. L. Banks 1996-4-20 842 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UCR172750  Plagiobothrys collinus Abby Sirulnik, Ian G. Gillespie 2000-5-14 42 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR92045  Plagiobothrys collinus Scott D. White 1995-3-30 2666 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
  UC25041  Plagiobothrys collinus var. californicus W. H. Brewer 1861-2-1 157 Riverside se from mines (center Temescal Range); center Temescal Range Comment
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Jul 6 2010
  POM287591  Plagiobothrys tenellus Lyman Benson 1932-3-26 3175 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA543869  Plantago bigelovii subsp. californica Steve Boyd, D. Bramlet 1991-5-13 6230 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR115936  Plantago erecta Mitch Provance 1998-4-7 1779 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
  UCR139179  Plantago erecta Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR182518  Plantago erecta Mitch Provance 2005-5-17 6567 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
  UCR232039  Plantago lanceolata John F. Green 2008-4-22 04- 01 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  RSA575826  Plantago major Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, upper Dawson Canyon. 549 Comment
  UCR165266  Plantago ovata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA708430  Plantago patagonica Scott D. White 2005-3-29 10827 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA771697  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4694 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  SEINET1109636  Plantago patagonica A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-1 16240 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. 335 Comment
  UCR90372  Plantago patagonica D. L. Banks, Steve Boyd 1995-5-3 0293 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
  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
  RSA162787  Platanthera leucostachys John Olmsted 1959-7-1 710 Riverside Deer Spring; N of Idyllwild along Deer Springs trail to San Jacinto Peak, San Jacinto Mountains. N Fork San Jacinto River Drainage Area. 2591 Comment
  SDSU12973  Platanus racemosa Michael G. Simpson 1999-10-27 2040 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SEINET10476457  Platanus racemosa James S. Miller 1992-5-8 Miller 7463 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  SEINET6084766  Platanus racemosa Unknown 2007-6-22 Riverside SE of Hemet, Bautista Canyon. Ca 4 road mi SE of jct. of Bautista Canyon Road and Fairview Ave. Comment
  CAS-BOT-BC91875  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside Two miles south of Temecula. Comment
  RSA660063  Platystemon californicus Matt Bogdanoff 1981-4-11 8 Riverside Cajalco Rd., 5.9 mi E of junction with La Sierra Ave., SE of Lake Mathews. 488 Comment
  UC635476  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside two mi s Temecula Comment
  RSA751408  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -395 Riverside City of Temecula, Vine St. at Peach Tree St. 361 Comment
  JEPS6894  Plectritis ciliosa subsp. insignis Marcus E. Jones, A. M. 1882-4-24 3167 Riverside San Jacinto Comment
  JOTR32119  Pleuraphis rigida La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2277 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  POM1025  Pleuraphis rigida I. M. Johnston s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  JOTR36086  Pleurocoronis pluriseta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3313 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  POM41003  Pleurocoronis pluriseta H. M. Hall 1905-4-16 s.n. Riverside Marshall Canyon, 11km W of Coachella, Colorado Desert 30 Comment
  CAS-BOT-BC356103  Pluchea odorata Mrs. E. C. Van Dyke 1928-5-26 s.n. Riverside Coachella Comment
  CHSC26129  Pluchea sericea A. Beck 1967-5-21 79 Riverside Colorado Desert, Thousand Palms Oasis. 1950 Comment
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Jul 23 2007
  SFV4077  Pluchea sericea P. G. Kilburn 1958-5-16 796 Riverside San Jacinto Mountains San Andreas Canyon, 5 miles south of Palm Springs on Agua Caliente Indian Reservation. 300 Comment
  UC154813  Pluchea sericea Rensselaer J. Smith 331 Riverside Andreas canyon Andreas 457 Comment
  UCR207463  Poa annua O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA747968  Poa bulbosa Justin M. Wood 2009-5-11 686 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  POM249988  Poa fendleriana E. C. Jaeger 1939-5-28 s.n. Riverside Pinon Alta Flats. 1828 Comment
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Aug 30 2011
  CAS-BOT-BC247398  Poa pratensis Cecil Hart 1922-5-21 7 Riverside San Jacinto Mt. Comment
  CLARK-A1528-4837  Poa scabrella John C. Roos 1950-2-25 4170 Riverside Reche Canyon 457 Comment
  UCD91691  Poa secunda subsp. secunda J. G. Lemmon 1888-4-14 s.n. Riverside Elsinore. Comment
  POM19164  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside Temecula Canyon. Comment
  CLARK-A1528-757  Polygonum aubertii Ross G Barber 1962-5-15 119 Riverside Riverside Comment
  SEINET1004376  Polygonum convolvulus T. B. Salvato, Kent Beaman 2005-1 855 Riverside San Jancito Mtn foothills; San Jacinto River E of Valle Vista just downstream from Forest Service boundry and N of CA Hwy 74. 549 Comment
  UCR67000  Polygonum hydropiperoides S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  UCR92093  Polygonum lapathifolium Scott D. White, S. Ogg 1994-10-17 2461 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  JOTR35917  Polypogon monspeliensis De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  SEINET3130262  Polypogon monspeliensis W. B. Crockatt sn Riverside Prado 91 Comment
  UC821249  Polypogon monspeliensis P. A. Munz 1922-6-23 5774 Riverside San Jacinto Mts. Hemet Valley; , Hemet Valley 1371 Comment
  UCR182566  Polypogon monspeliensis Andrea Salzman, Carlos Navarro 2006-6-6 146 Riverside Peninsular Range; Santa Rosa Plateau, Mesa de Burro 581 Comment
  RSA16477  Polystichum imbricans subsp. curtum Percy C. Everett 1935-6-19 7230 Riverside Main Divide Motorway, Bear Spring 1219 Comment
  UCR235080  Populus fremontii A. C. Sanders, John F. Green 2012-6-1 40233 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
  SD229274  Populus fremontii subsp. fremontii Dick Schwenkmeyer 2012-5-22 717 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  RSA753027  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. and Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  RSA701158  Porophyllum gracile Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11261 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA796473  Porophyllum gracile Duncan S. Bell 2009-4-18 207 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
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  UC829295  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi below Cottonwood Spgs.; Joshua Tree National Monument Comment
  UCR89542  Porophyllum gracile Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument; E side of Hexie Mtns., Porcupine Wash, near the junction with Ruby Lee Canyon 732 Comment
  UCR65271  Potamogeton pectinatus Steve Boyd, Orlando Mistretta 1989-7-18 3760 Riverside Peninsular Range, Vail Lake area, along W shore of lake 0.5 mi south of the dam 427 Comment
  JEPS47218  Potentilla gracilis Carl V. Meyer June 1927 188 Riverside Saunder's Meadow Comment
  UC12550  Potentilla gracilis H. M. Hall June, 1901 2184 Riverside Thomas Valley San Jacinto Mountains, Thomas Valley 1371 Comment
  UC1746640  Potentilla norvegica T. Schram and D. Wappler 1994-7-14 Riverside Lake Hemet San Jacinto Mountains Comment
  UCR87114  Proboscidea louisianica Steve Boyd 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Road 427 Comment
  CAS-BOT-BC206993  Prosopis glandulosa var. torreyana Milo S. Baker 1928-4-3 3244 b Riverside Palm Spr. Canyon at camp. Comment
  POM348752  Prosopis glandulosa var. torreyana Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA628534  Prosopis glandulosa var. torreyana A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22223 Riverside Morongo Indian Reservation, Lion Canyon. 671 Comment
  UC495305  Prunus fasciculata C. L. Hitchcock 1932-4-8 12219 Riverside 1 mi W of Cottonwood Springs; eastern Riverside Co. Comment
  RSA453236  Prunus fremontii Robert Gustafson, Gary D. Wallace 1982-5-19 2565 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  UCR35156  Prunus fremontii L. B. Ziegler 1969-4-9 340 Riverside San Jacinto Mtns., Pinyon Flats. Near Palm Canyon Drive 1250 Comment
  POM259943  Psathyrotes ramosissima P. A. Munz 1940-3-23 15670 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  POM6913  Psathyrotes ramosissima P. A. Munz, Williams, Street 1919-3-28 2382 Riverside Between Palm Springs & Indio 183 Comment
  UCSB36484  Psathyrotes ramosissima Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 Comment
  UCR121316  Pseudognaphalium biolettii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25002 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  GMDRC6556  Pseudognaphalium californicum J. M. Andre 2012-6-15 30510 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UCR270708  Pseudognaphalium microcephalum John F. Emmel 1998-8-9 1584 Riverside San Jacinto Mountains, foothills at southwest edge of the mountains, Bautista Canyon, 0.4-0.5 road mile southeast of national forest boundary 723 Comment
  SBBG46429  Psorothamnus arborescens C. H. Muller 1952-5-21 9515 Riverside outwash plain at mouth of Morongo Cyn 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-BC353644  Psorothamnus emoryi E. R. Johnson 1928-6-8 s.n. Riverside along highway, south of Mecca, west side of Salton Sea Comment
  UC729727  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside on Blythe Road 3 mi e Mecca (Colorado Desert); , e of Mecca 0 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
  UCR264248  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2015-9-11 41878 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, hills along dirt road above Iris Pass 735 Comment
  CAS-BOT-BC340896  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  RSA4874  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  CAS-BOT-BC340948  Psorothamnus spinosus Roxana S. Ferris 1918-6-14 973 Riverside Between Palm Springs and Indian Wells Comment
  CDA27787  Psorothamnus spinosus W. E. Henson Jul 1932 Riverside Coachella Valley. 0 Comment
  SD224976  Psorothamnus spinosus B. Pitzer 1996-11-11 2933 Riverside Orocopia Mts: Salt Creek Wash, at intersection w/ SR 211, 4rd. Mi. S of Bob's Cabin. Hayfield USGS Quad. 274 Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UCSB33255  Psorothamnus spinosus Miller, Brian 1963-6-1 Riverside Powerline access road 4 mi. S of Curtis Palms 24 Comment
  CAS-BOT-BC460530  Pterospora andromedea Mary F. Spencer 1919-6-25 1223 Riverside San Jacinto Mt. 1676 Comment
  RSA467857  Pterospora andromedea L. C. Wheeler 1931-10-3 234 Riverside Strawberry Valley, San Jacinto Mts. 1890 Comment
  CAS-BOT-BC421261  Pterostegia drymarioides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  CHSC101907  Pterostegia drymarioides Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: east side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA180247  Pterostegia drymarioides E. W. Lathrop 1965-5-23 5765 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  RSA552699  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6707 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR265828  Pterostegia drymarioides Mitch Provance 2012-5-24 512- 09 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SD67914  Pyrola picta f. aphylla Reid Moran 1968-8-3 15367 Riverside under firs, north slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  UCD170872  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UC5829  Quercus X acutidens Samuel B. Parish 1891-11-5 2260 Riverside near Temecula (McGee's Stone) Comment
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Mar 27 2011
  CAS-BOT-BC86598  Quercus X munzii Robert F. Thorne; Rolf M. T. Dahlgren; Gertrud Dahlgren 1979-8-22 53573 Riverside Joshue Tree National Monument: just S of San Bernardino Co. line near jct or road to Split Rock and 29 Palms 1325 Comment
  SBBG119788  Quercus X munzii D. H. Wilken 2005-10-1 Riverside Live Oak Tank, ca. 1 km NE of Jumbo Rocks 1290 Comment
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Nov 6 2011
  UCR174133  Quercus agrifolia A. C. Sanders, T. B. Salvato 2006-6-2 33083 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA78297A  Quercus agrifolia var. agrifolia P. A. Munz, E. K. Balls 1952-8-21 17994 -A Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  UC5521  Quercus chrysolepis H. M. Hall Jul 1901 Riverside s side San Jacinto Mountains (base of Tahquitz trail) 1828 Comment
  JEPS37668  Quercus cornelius-mulleri H. M. Hall May 17 1901-Jun 1 1901 1915 Riverside Van Deventer's Comment
  CAS-BOT-BC257626  Quercus dumosa P. S. Manos 1988-10-27 676 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  CAS-BOT-BC257778  Quercus dumosa P. S. Manos 1988-10-27 668 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  CLARK-A1528-2921  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  SD129201  Quercus engelmannii B. Pitzer 1988-6-8 1046 Riverside Rancho California area, avocado grove south of Avenida del Oro, just past Calle Capistrano Comment
  UCR189773  Quercus engelmannii Theresa Johnson 2006-10-10 289 Riverside Peninsular Ranges, Perris-Aguanga Basin, San Jacinto Wildlife Area, Potrero unit south side. 1.7 mi east of Lamb Canyon road. In steep ravine near air strip 630 Comment
  UCR262458  Quercus engelmannii Cecile Shohet 2015-6-24 s.n. Riverside Beaumont, NW of 'Plantation on the Lake' mobile home park, south of I-10, east of Cherry Valley Blvd., west of Plantation Dr., under powerlines 728 Comment
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR111511  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns., Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. east of Hwy 371 junction to Anza, just west of Vandeventer Flat 1463 Comment
  CAS-BOT-BC104997  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  LA205338  Quercus wislizeni Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  UCR51925  Quercus wislizeni Steve Boyd 1987-11-23 2096 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  SEINET5584426  Rafinesquia californica Stephen Hale, Jake Mohlmann 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  CAS-BOT-BC537216  Rafinesquia neomexicana Cheryl Sevilla; Sarah J. De Groot 2015-2-18 14 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the E of Mission Creek, 0.4 mi NW of the Stone House 783 Comment
  RSA0069664  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 14 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA26987  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  RSA618176  Ranunculus hebecarpus D. L. Banks 1997-5-5 2010 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., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR169393  Rhamnus californica subsp. ursina T. B. Salvato, John F. Green 2004-5-27 597 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
  UC870815  Rhamnus crocea C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4733 Riverside Gavilan Peak 700 Comment
  SEINET5569763  Rhamnus ilicifolia R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  UCR154464  Rhamnus ilicifolia Jason L. Hlebakos 2005-5-30 802 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
  RSA731532  Rhamnus pilosa R. E. Riefner 2007-9-6 7 -376 Riverside W of Rainbow Canyon ca. 2 mi E of I-15 SW of Pechanga Indian Reservation 668 Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  UCD116881  Rhus aromatica Ted C. MacRae 1995-5-26 43 b Riverside Santa Rosa Mts., Pinyon Flats Cpgd., 15.5 mi S Palm Desert. 1219 Comment
  RSA125660  Rhus integrifolia R. Weatherby 1950-3-6 1059 Riverside Arlington Hills, near Lake Matthews. 335 Comment
  CAS-BOT-BC167935  Rhus ovata Munz; Harwood 1920-2-28 3263 Riverside 2 mi. S.W. of Corona 304 Comment
  UC63999  Rhus trilobata H. M. Hall 1897-5-19 559 Riverside vicinity of Chalk Hill; San Jacinto Mountains Comment
  SD229189  Ribes Dick Schwenkmeyer 2012-8-7 779 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR102861  Ribes aureum var. gracillimum A. C. Sanders 1997-3-26 20114 Riverside Lake Skinner area, arroyo draining toward the SE arm of the lake, crossing the entrance road near the old house site (and relocated school building) 453 Comment
  UCR110988  Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  CLARK-A1528-4130  Ribes indecorum John C. Roos 1952-2-29 5360 Riverside Box Springs Mountains 487 Comment
  POM614517  Ribes indecorum A. C. Sanders 1994-1-30 14229 Riverside Box Springs Mtns at the head of Two Trees Canyon. 686 Comment
  RSA162688  Ribes indecorum J. D. Olmsted 1960-2-15 1094 Riverside 100ft from highest point in Jurupa Hills, Santa Ana River. 686 Comment
  RSA221071  Ribes indecorum E. W. Lathrop 1966-3-23 6113 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA604868  Ribes indecorum Scott D. White 1995-12-24 3800 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  RSA717839  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04. 1128 Comment
  UC1292280  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi n Pala (along road to Elsinore) Comment
  UCR135830  Ribes indecorum A. C. Sanders 2004-4-20 27555 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR278098  Ribes indecorum A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42672 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  UCR160774  Ribes malvaceum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19772 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UC69253  Ribes malvaceum var. viridifolium H. M. Hall 1896-12-13 346 Riverside vicinity Winchester (Juniper Flat) 670 Comment
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Mar 20 2011
  CAS-BOT-BC219234  Ribes nevadense Carl B. Wolf 1932-8-5 3968 Riverside Above small stream and Meadows feeding Tahquitz Creek, on trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains 2804 Comment
  UCR4163  Ricinus communis R. H. Sauer 1965-4-30 s.n. Riverside Peninsular Range, Intersection of Chase Drive and Skyline Drive, 3.5 mi SW of Corona 244 Comment
  UCR201636  Rorippa nasturtium-aquaticum Scott D. White, Justin M. Wood 2008-6-18 12229 Riverside San Jacinto Mountains, K Flat Meadow 1445 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
  SD187470  Rosa californica Scott D. White, Angela Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR202584  Rubus laciniatus Scott D. White, Justin M. Wood 2008-7-8 12372 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  POM366412  Rubus parviflorus N. C. Cooper 1944-6-17 1401 Riverside San Jacinto Mts., above Banning. 1372 Comment
  UCR91738  Rubus ursinus A. C. Sanders, J. Goetzen 1996-5-1 18131 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CLARK-A1528-766  Rumex crispus C. M. Flanagan 1973-5-20 OO 521 Riverside Morongo Indian Reservation Comment
  RSA0034564  Rumex obtusifolius Louis C. Wheeler 1933-8-5 2059 Riverside Millard's Canyon at foot of falls San Bernardino Mountains. 579 Comment
  RSA717629  Rumex salicifolius Scott D. White 2006-4-27 11288 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA784662  Rumex salicifolius Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 69 Riverside Margarite road further down to the valley after turn towards Robcar road Comment
  UCR167978  Rumex salicifolius T. B. Salvato, John F. Green 2004-5-27 652 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
  RSA389636  Sagina C. Sylber 1986-5-20 s.n. Riverside Yard at 1040 Central Ave., Riverside. Comment
  JEPS62517  Salazaria mexicana Marjorie Clary 1931-4-4 5 Riverside Coachella Valley Devils' Canyon (slopes of Santa Rosa Mts., West Colorado Desert); West Colorado Desert, slopes of Santa Rosa Mts. Comment
  UCR89544  Salazaria mexicana Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino Mtns., Joshua Tree National Monument [now National Park]: Hidden Gold Canyon 1115 Comment
  RSA735989  Salicornia virginica Scott D. White, Justin Wood 2008-6-26 12296 Riverside I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  CAS-BOT-BC103891  Salix exigua 1932-4-12 s.n. Riverside unspecified Comment
  RSA49197  Salix exigua Philip A. Munz 1949-4-13 13046 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA698841  Salix exigua J. R. Bruff 1927-10-8 1 -F-2 Riverside Thousand Palms. Comment
  SD229272  Salix exigua Dick Schwenkmeyer 2012-5-22 719 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR41239  Salix exigua N. M. Fellows 1985-3-3 79 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCR93234  Salix exigua A. C. Sanders 1994-7-27 15161 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  SD80150  Salix exigua var. exigua Nancy Ryan Zabriske, Walter Zabriske 1971-3-7 353 Riverside Andreas Canyon, east slope San Jacinto Mountains 359 Comment
  UC494349  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside 4.8 km. n Arlington (on rd. to Pedley, 4 mi w of Riverside, e side of bridge over Santa Ana R., down embankment either side of hwy.) 240 Comment
  UC847053  Salix exigua var. hindsiana I. M. Johnston 1918-5-26 1994 Riverside nw of Cornoa; Santa Ana R. 152 Comment
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Nov 20 2011
  RSA737440  Salix gooddingii Justin M. Wood 2008-8-31 116 Riverside [Perris Basin:] Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA0030818  Salix hindsiana var. leucodendroides H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UC717265  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  RSA0010974  Salix laevigata H. de Forest 1933-4-16 17607 Riverside Chino Canyon. Colorado Desert Comment
  UCR239857  Salix lasiolepis O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR13438  Salix lucida subsp. lasiandra Mike McCloskey 1973-5-10 s.n. Riverside Riverside, Santa Ana River bed a few hundred yards east of Union Pacific RR crossing 229 Comment
  CDA1356  Salsola australis R. E. Riefner Jr. 2007-2-19 Jul- 69 Riverside Hemet; Florida Ave (Hwy 74) .25 mi N of Warren Rd. at MWD Right of Way 0 Comment
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Nov 27 2013
  RSA74956  Saltugilia australis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR116415  Saltugilia australis S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA67604  Saltugilia splendens Verne Grant, Alva Grant 1950-4-9 8839 Riverside Palm Springs. Comment
  CLARK-A1045-112  Salvia apiana George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  POM70719  Salvia apiana Marcus E. Jones 1906-4-19 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  SEINET2065984 Image available Salvia apiana Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 365 Comment
  RSA401486A  Salvia columbariae N. R. Zabriskie, Walter Zabriskie 1973-4-25 655 Riverside On slopes east of Hwy 74 opposite Black Hill; Deep Canyon drainage area, N slope Santa Rosa Mts. 915 Comment
  RSA401493A  Salvia columbariae Ora M. Clark 1929-3-2 1600 Riverside Near Alberhill Comment
  RSA651682  Salvia columbariae Marion P. Harthill 1971-3-19 34 Riverside Palm Desert. Comment
  RSA775812  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 892 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR154395  Salvia columbariae A. C. Sanders, Mike Misenhelter 2005-6-15 30973 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
  UCR279595  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-28 43162 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  SEINET12273131  Salvia columbariae J. F. Bright, Wyman, C. 1933-1 8096 Riverside Near Palm Springs Comment
  SBBG6390  Salvia eremostachya H. and M. Dearing 1942-3-29 4848 Riverside Dos Palmas Spring, near Palms to Pines Hwy Comment
  UCSB18091  Salvia eremostachya Gill, Robert 1964-5-10 Riverside state hiway 74; 4.7 mi E of Pinyon Flats 944 Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  UC129483  Salvia greatae H. M. Hall 1905-4-22 5848 Riverside near Dos Palmas, Colorado Desert, Riverside Co. Comment
  UCLA70164  Salvia greatae H. M. Hall and L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas; Colorado Desert Comment
  RSA434173  Salvia pachyphylla N. R. Zabriskie, Walter Zabriskie 1971-8-21 438 Riverside Below Santa Rosa Spring Camp, Santa Rosa Mountain road. 2195 Comment
  RSA314158  Salvia vaseyi Walter Wisura 1983-7-9 3915 Riverside 5.4 mi from the junction with Hwy 111 along Hwy 74. Comment
  RSA448916  Salvia vaseyi Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
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Jun 8 2013
  RSA727067  Salvia vaseyi Jay Walker, R. C. Walker 3101 Riverside Ca. 6 miles NE of Pinyon Flats, along hwy 74, at mile marker 87.25 in the first pullout uphill from Vista Point. Comment
  UCR55834  Salvia vaseyi J. A. Adams 1965-4-17 127 Riverside Sonoran (Colorado) Desert, Hwy 111, 2 mi east of Palm Springs near foothills 244 Comment
  RSA5254  Sambucus caerulea C. B. Wolf 1932-8-6 3991 Riverside Strawberry Valley, at base of Devil s slide Trail to Tahquitz Valley. Alt. 5600 ft. 1707 Comment
  CSUSB691  Sambucus mexicana I. Rauch 1968-5-14 Riverside Santa Ana Mountains Santa Ana Mountains Comment
  UCR116848  Sanicula arguta A. C. Sanders, Steven R. Hill 2001-5-4 24144 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR171897  Sanicula arguta John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR79221  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  SEINET273147  Sanicula bipinnatifida A. C. Sanders 1997-3-26 20137 Riverside Lake Skinner Area; large clay patch adjacent to the Skinner entrance rd ca 1 km NE of Borel Rd. UTM 10km cell; MH-9E 473 Comment
  UCR140892  Sarcostemma cynanchoides subsp. hartwegii Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  CLARK-A1528-1469  Sarcostemma hirtellum John C. Roos 1937-4-18 Riverside Colorado Desert Comment
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Mar 3 2014
  UCR163082  Sarcostemma hirtellum B. G. Pitzer 2000-5-7 4139 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR82819  Sarcostemma hirtellum Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  UCR189575  Satureja chandleri Amy Rowland 2007-4-26 58 Riverside Peninsular Range, Santa Rosa Plateau east slope of Mesa de Burro off of Guava Rd 349 Comment
  SEINET3386494 Image available Schedonorus arundinaceus Mitchell Provance 2003-1 6528 Riverside San Bernardino Valley; Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  RSA574566  Schedonorus arundinaceus Steve Boyd 1985-7-23 1016 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  CAS-BOT-BC243465  Schismus barbatus John Thomas Howell 1956-3-19 31118 Riverside San Jacinto Comment
  HSC101533  Schismus barbatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12755 Riverside Roadside 455 Comment
  JOTR16789  Schismus barbatus Leary, Pat and Hogan, J. 1975-2-11 899 Riverside Joshua Tree National Park. EAST END OF PLEASANT VALLEY 975 Comment
  RSA0036799  Schismus barbatus Starr Streight 1982-4-17 23 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  SDSU18397  Schismus barbatus C. Matt Guilliams 2008-2-27 484 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. 370 Comment
  UCR59814  Schoenoplectus acutus var. occidentalis Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  UCR89763  Schoenoplectus acutus var. occidentalis Scott D. White 1993-5-27 1435 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SBBG87827  Schoenoplectus americanus A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6093 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  CAS-BOT-BC111456  Schoenoplectus californicus Ira L. Wiggins 1937-2-19 8572 Riverside Tule swamp 1/2 mile north of Palo Verde. Comment
  SEINET3913622  Scirpus americanus Faulkner 1978-4-27 502 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River.; 0 137 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
  RSA520943  Scirpus microcarpus Steve Boyd, David E. Bramlet 1988-10-8 2865 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA802250  Scirpus microcarpus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4996 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA783651  Scrophularia californica J. D. Olmsted 1958-6-10 157 Riverside 6 miles SW of Corona on Oak Flat fire road (turn S from US on Lincoln). Lower Santa Ana Reservoir. 732 Comment
  UCR124658  Scrophularia californica B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1480 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  RSA282932  Scrophularia californica subsp. floribunda C. W. Tilforth, B. Busenberg 1980-4-17 2017 Riverside Open slope south of Toolbox Spring Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Hiway 74. Comment
  RSA654615  Scrophularia californica subsp. floribunda Bruce Albert 1982-4-17 75 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  SEINET7048159  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SEINET8020853  Scutellaria bolanderi G. F. Reinhardt 1897-1 s.n. Riverside San Jacinto Valley Comment
  RSA0074165  Scutellaria siphocampyloides Richard Olmstead 1986-6-8 804 Riverside 1.1 mile SE of Mountain Center along Hwy 74. 1448 Comment
  UCR169870  Sedum spathulifolium Dave Goodward 2004-1 s.n. Riverside San Jacinto Mtns., mouth of narrow side canyon off South Fork San Jacinto River 1159 Comment
  POM120674  Selaginella bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA543296  Selaginella bigelovii Steve Boyd 1991-3-17 5515 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
  RSA683763  Selaginella bigelovii Norman C. Cooper 1947-4-5 2035 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR202013  Selaginella bigelovii Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  SD181812  Selaginella eremophila Louis C. Wheeler 1964-10-17 8639 Riverside North slope of Orocopia Mountains, southerly from Hayfield Reservoir, below water shedding sloping rock faces in sun. Comment
  SEINET4065944  Selaginella eremophila S. B. Parish 1907-1 611 Riverside Collected from the western border of the Colorado desert. 200 Comment
  CAS-BOT-BC327392  Senecio aphanactis Mrs. Wilder 1909-4-1 s.n. Riverside Near Riverside Comment
  UCR123225  Senecio californicus D. E. Bramlet 1993-4-15 2329 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 335 m north of Cajalco Road, 1.2 km west of the entrance gate and 152 m south of the access road 439 Comment
  SEINET6692566 Image available Senecio douglasii Norman C. Cooper 1944-5-20 2624 Riverside Palms to Pines Hwy. San Jacinto Mtns. Comment
  RSA472948  Senecio flaccidus var. douglasii N. C. Cooper 1949-6-29 4361 Riverside East side of San Jacinto Mountains. 457 Comment
  UCR34949  Senecio flaccidus var. douglasii L. B. Ziegler 1964-8-20 041 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  LA203935  Senecio flaccidus var. monoensis C. L. Hitchcock; 1940-4-5 5964 Riverside 3 mi. below Cottonwood Springs Comment
  RSA709863  Senecio mohavensis Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4588 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC36015  Senecio triangularis H. M. Hall July 1901 2571 Riverside vicinity Deer Springs (San Jacinto Mountains, Southern California); San Jacinto Mountains 2743 Comment
  CLARK-A1528-2093  Senecio vulgaris John C. Roos 1967-2-7 Riverside Hemet Comment
  UCR158719  Senecio vulgaris A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30033 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR265848  Senecio vulgaris Mitch Provance 2013-4-8 413- 04 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA552718  Senecio vulgaris Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6687 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCSB14603  Senegalia greggii Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74 at Pinon Flats Campground 1249 Comment