Search Results — 2000 specimen records retrieved (1908 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519128  Abies concolor F. C. Vasek 1977-11-25 771125 -5 Riverside San Jacinto Mountains, area around Boulder Basin Campground, just below Black Mountain Look Out. Comment
  CAS-BOT-BC229312  Abronia villosa Mrs. J. C. Angsbury 1926-1-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC229324  Abronia villosa Lester Rowntree 1937-5-27 s.n. Riverside Box Canon [Canyon] Comment
  CAS-BOT-BC229340  Abronia villosa Peter H. Raven 1958-1-23 11426 Riverside Fringing United States Highway 99, 6.5 miles north-west of Indio Comment
  HSC16148  Abronia villosa R. A. Eagle 1964-3-28 25 Riverside 19 mi. out of Palm Springs on main Hwy. Comment
  SD122379  Abronia villosa Duffie Clemons, Erikl Jonsson 1988-2-13 1935 Riverside Ca. 3 miles north of I-10 along Washington St. southwest of Indio Hills. Coachella Valley. Comment
  SD126093  Abronia villosa Lyman Benson 1949-3-28 13582 Riverside 1.0 mile north of Palm Springs, from east end of Pines to Palms Highway, Santa Rosa Mountains. 99 Comment
  UC917887  Abronia villosa Frank W. Gould 1943-4-17 2119 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UCD109820  Abronia villosa Geoffrey Levin 1975-4-5 461 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  JEPS100433  Abronia villosa var. aurita Dean W. Taylor 2003-5-6 18514 Riverside wash of the San Gorgonio River ca. 1 mile South of the intersection of Highway 111 with Interstate 10 365 Comment
  RSA461180  Abronia villosa var. aurita N. C. Cooper 1949-3-15 3170 Riverside North of Palm Springs. 122 Comment
  RSA575827  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  RSA68330  Abronia villosa var. aurita G. R. Campbell 1951-5-30 16148 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UCR161372  Abronia villosa var. villosa Mark A. Elvin 2005-4-25 4220 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  JEPS64739  Acacia greggii Marjorie Clary 1929-5-17 10 Riverside San Jacinto Mountains, Palm Springs Palm Springs; San Jacinto Mountains, Palm Springs Comment
  RSA651434  Acacia greggii Harold Lint 1952-5-25 s.n. Riverside Palms to Pines Hwy. Comment
  POM48487  Acacia greggii var. arizonica P. A. Munz 1924-7-29 8886 Riverside Banning. Comment
  RSA414906  Acacia greggii var. arizonica L. C. Wheeler 1933-12-1 2285 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA688848  Acamptopappus sphaerocephalus Scott D. White, Michael Honer 2003-5-13 9249 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SEINET9122084  Acamptopappus sphaerocephalus N. Zabriskie, W. Zabriskie 1969-1 192 Riverside Andreas Canyon near Palm Springs. 411 Comment
  UC218165  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz, I. M. Johnston 1922-5-6 5172 Riverside on dry gravelly soil near Whitewater San Gorgonio Pass 304 Comment
  UC63196  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall May 17 1901-Jun 1 1901 1933 Riverside east base San Jacinto Mt. 609 Comment
  RSA741571  Acer negundo Scott D. White, Justin M. Wood 2008-6-17 12163 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR81106  Acer negundo Scott D. White 1993-5-29 1464 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UC472801  Acer negundo var. interior M. F. Spencer 1923-8-8 319 Riverside Pipe Creek Desert Mts., Pipe Creek Comment
Read comments
Mar 24 2011
  CAS-BOT-BC260327  Achnatherum hymenoides Ivan Johnston 1917-4-4 1098 Riverside Colorado Desert. Whitewater, about station Comment
  JEPS485  Achnatherum speciosum W. L. Jepson 1928-4-25 12574 Riverside Cottonwood Spring Colorado Desert 731 Comment
  JOTR31233  Achyronychia cooperi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2017 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  JOTR33800  Achyronychia cooperi La Doux, Tasha, B. Truesdell 2007-11-9 3298 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP 1) 532 Comment
  SD227785  Achyronychia cooperi Scott D. White, Pam Devries 1998-2-9 6080 Riverside La Quinta/Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  UCR245245  Achyronychia cooperi Jim Andre 2012-3-19 21338 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  UCR33657  Achyronychia cooperi Faulkner 1978-3-30 411 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  LA47824  Acmispon argophyllus var. argophyllus L. Haines; L. Erickson 1937-4-9 sn Riverside Riverside-Hemet road near Winchester turnoff Comment
  SDSU14012  Acmispon glaber var. brevialatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 14 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 335 Comment
  SEINET957371  Acmispon grandiflorus L. B. Ziegler 1968-1 327 Riverside San Jacinto Mountians- Strawberry Valley. Yellow Pine Forest. 1951 Comment
  SDSU13937  Acmispon strigosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2094 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA588171  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak., 33 deg 27'.024 N - 116 deg 57'.923 W. 597 Comment
  JEPS30394  Adenophyllum cooperi Peter H. Raven and David Verity 1960-6-5 15499 Riverside Queen Valley; Joshua Tree Natl. Monument, Queen Valley Comment
  SBBG65794  Adenophyllum porophylloides Anstruther Davidson, S. B. Parish 1898-1 Riverside Palm Springs Comment
  UCR137562  Adenostoma fasciculatum A. C. Sanders 2004-5-5 27761 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  IRVC29859  Adenostoma sparsifolium Mark A. Elvin 2004-10-12 3812 Riverside S of Idyllwild, N of Mountain Center along Hwy 243. San Jacinto Moutnains 1524 Comment
  OBI30248  Adenostoma sparsifolium G. B. Smith 1967-10-21 E 11 Riverside hwy 74, 5 mi S of Idylwild 1585 Comment
  UCR17483  Adenostoma sparsifolium N. R. Zabriskie, W. W. Zabriskie 1971-8-20 430 Riverside Santa Rosa Mtns, Canyon above first turnout E side of Santa Rosa Mountain Road, 0.6 mi above Hwy 74 1524 Comment
  UCR35154  Adenostoma sparsifolium L. B. Ziegler 1964-8-24 38 Riverside San Jacinto Mtns., Garner [Hemet] Valley 1402 Comment
  RSA0034426  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road 1372 Comment
  POM877  Adiantum capillus-veneris G. Ross Robertson s.n. Riverside Santa Ana Canyon 609 Comment
Read comments
Mar 12 2014
  RSA687680  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside Andreas Canyon 457 Comment
  RSA750595  Agave deserti subsp. deserti K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  RSA773663  Agoseris retrorsa Duncan S. Bell, J. D. England 2010-5-20 1026 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCR213895  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-22 12892 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCD52295  Agrostis exarata Peter M. Ray Date Unknown 1934 Riverside Hall Canyon, San Jacinto Mtns. Comment
  UCD52431  Agrostis exarata August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Sep 8 2011
  UCR194216  Agrostis semiverticillata Scott D. White, Angelia Carey 2004-6-4 10470 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR201412  Agrostis viridis Justin M. Wood 2008-9-30 175 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA777332  Allionia incarnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 829 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR148041  Allionia incarnata Steve Boyd, Et al. 2004-5-14 11227 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 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 549 Comment
  UCR9390  Allium fimbriatum var. fimbriatum D. H. Wilken 1966-3-26 769 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  UCR37470  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  RSA574739  Allium munzii Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  UCR129910  Allium praecox Mrs. C. M. Wilder 1905-1 s.n. Riverside Riverside 915 Comment
  UCR214332  Allophyllum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38371 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
  UCR261368  Allophyllum A. C. Sanders, Katie Young, John Hale 2015-4-22 41612 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  RSA87940  Allophyllum glutinosum Verne Grant 1954-6-10 9395 Riverside Just above Garnet Queen Mine on Santa Rosa Mt. 1829 Comment
  UCR108853  Allophyllum glutinosum Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  CAS-BOT-BC170129  Alnus rhombifolia Lewis S. Rose 1938-2-1 38003 Riverside Whitewater 213 Comment
  SACT002778  Alnus rhombifolia A. Delisle 1961-6-27 Riverside Within 5 feet of Dripping Wells Falls, right where water drips on the roots. Tree 25ft. Comment
Read comments
Aug 25 2013
  RSA801724  Alopecurus pratensis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6167 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  RSA736797  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR166723  Amaranthus albus Scott D. White, Jennifer H. Jones 2005-4-12 10863 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR42375  Amaranthus albus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 191 B 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
  RSA596768  Amaranthus albus D. L. Banks, K. D. Hedge 1996-5-16 1034 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve., At the junction with the road to the local golf course. 426 Comment
  POM153376  Amaranthus californicus P. A. Munz, I. M. Johnston 1928-9-12 11247 Riverside Temescal Canyon, Lee s Lake. Comment
  RSA484737  Amaranthus fimbriatus A. C. Sanders 1988-10-22 8723 Riverside Pinyon Flats area Santa Rosa Mountains, along the trail about 1/2 mi. W of the Dolomite Mine. 1200 Comment
  UCR163892  Amaranthus fimbriatus B. G. Pitzer 2001-8-19 4343 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  RSA751506  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Joshua Tree National Park: along Bell Mtn. Rd., atop Bell Mtn. approx 0.3 mi. N of radio tower. 1359 Comment
  CAS-BOT-BC13615  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon 609 Comment
  SFV17215  Ambrosia acanthicarpa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  RSA735398  Ambrosia dumosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11224 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
  RSA774505  Ambrosia dumosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4428 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
Read comments
May 26 2013
  UC896716  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  RSA776937  Ambrosia ilicifolia Amber Swanson, Duncan S. Bell 2011-3-18 220 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  SD44840  Ambrosia ilicifolia Darley F. Howe 1952-4-28 2191 Riverside Chuckwalla Mountains. Comment
Read comments
Jul 12 2012
  SEINET238529 Image available Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains: Jurupa Mountains Cultural Center 1/4 mile SE of peak 1411. 290 Comment
  CAS-BOT-BC273012  Ambrosia salsola Peter H. Raven 1958-2-15 11577 Riverside Corn Springs, Chuckwalla Mountains Comment
  CAS-BOT-BC273024  Ambrosia salsola Philip A. Munz 1932-3-14 11972 Riverside Sandy wash of Deep Canyon, Coachella Valley 91 Comment
  CAS-BOT-BC273040  Ambrosia salsola John H. Thomas 1957-3-30 6538 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert 518 Comment
  LA203746  Ambrosia salsola Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 121 Comment
  SFV9294  Ambrosia salsola D. H. Hoover 1968-3-23 68 43A Riverside Colorado Desert Morongo Valley. North of Palm Springs area. Comment
  UC1279725  Ambrosia salsola David B. Dunn 1946-2-21 3656 Riverside w of Indio (near Pushawalla); Colorado Desert, Indio Hills, Pushawalla Canyon Comment
  UC1979867  Ambrosia salsola Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-24 848 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Chuckwalla Mountas Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas. Comment
  SEINET10797869  Ambrosia salsola David B. Dunn, Howard Brown 1947-2-9 Dunn 2856 Riverside Pushawalla Canyon, Indio Hills. In dry wash bed. Comment
  SD128756  Ambrosia salsola var. salsola Darley F. Howe 1980-4-15 Riverside 4 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  UC724141  Ambrosia salsola var. salsola Aven and Ruth Nelson 1939-3-22 3220 Riverside near Palm Springs Comment
  SD146229  Ammannia robusta A. C. Sanders, D. Bramlet et al 1999-10-15 23176 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden Hot Spr. Comment
  JEPS14148 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckwalla Valley Colorado Desert (Hayfields); Chuckawalla Valley, Colorado Desert 152 Comment
  UCR133457  Amorpha californica var. californica Tracy Tennant, J. S. Ross 1998-7-30 MOR- 677 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  SD119926  Amorpha fruticosa Louis B. Ziegler 1967-9-6 237 Riverside San Jacinto Mountains, Quinn Flats region, along dry stream beds 1370 Comment
  CLARK-A1528-323  Amsinckia intermedia C. M. Flanagan 1973-4-26 OO 312 Riverside Morongo Indian Reservation 914 Comment
  UCD119699  Amsinckia intermedia A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  POM9598  Amsinckia intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview. Comment
  RSA0089614  Amsinckia intermedia John F. Emmel 1973-4-7 426 Riverside Twin Pines Creek, at north base of San Jacinto Mts., ca. 1 1/2 air miles SW of Cabazon. 512 Comment
  UCR103588  Amsinckia menziesii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2727 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR172163  Amsinckia retrorsa T. B. Salvato, Gregg Miller 2005-6-3 1380 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
  POM14034  Amsinckia tessellata P. A. Munz, D. D. Keck 1922-4-15 4987 Riverside Near Moreno. Grain field. 366 Comment
Read comments
Mar 20 2011
  RSA779783  Amsinckia tessellata Duncan S. Bell 2010-4-2 692 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UC667382  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-4-29 2102 Riverside 10 mi. s. 29 Palms; Joshua Tree Nat'l Monument 1158 Comment
  UC68764  Amsonia tomentosa H. M. Hall May, 1905 6006 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass 701 Comment
  RSA757457  Anagallis minima Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55198 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  RSA575830  Anemopsis californica Steve Boyd 1981-5-8 s.n. Riverside Gavilan Hills region, Gavilan Springs, western edge of the Gavilan Plateau at the head of Dawson Canyon. 610 Comment
  POM10108  Antirrhinum coulterianum Charlotte M. Wilder 1904-5-15 183 Riverside North side of Jurupa Hills, NW of Riverside Comment
  RSA666723  Antirrhinum kelloggii A. C. Sanders, Steven R. Hill 2001-5-4 24131 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro ( to Sandia Crk. Dr.), E side of Rancho C. Rd. 488 Comment
  CLARK-A1528-4169  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  UCR135828  Apiastrum angustifolium A. C. Sanders 2004-4-20 27519 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
  UCR207607  Apium graveolens O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  JEPS60401  Aquilegia formosa Carl V. Meyer 1927-6-1 181 Riverside San Jacinto Mts. Comment
  UC9005  Aquilegia formosa H. M. Hall July, 1901 2417 Riverside San Jacinto Mtns 3261 Comment
  UCR13411  Arabis holboellii William E. Mortenson 1973-5-27 730527- 02 Riverside San Jacinto Mtns., 1.2 mi SW of Idyllwild, 0.5 mi west of Hwy 243 on Delano Road near intersection with Tollgate road. Along stream bank where Strawberry Creek crosses Toll Gate Road 1580 Comment
Read comments
Nov 13 2008
  RSA740235  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 -C Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  RSA0011414  Arabis sparsiflora Duncan S. Bell, Caitlin Elam 2013-5-21 4968 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  CAS-BOT-BC409998  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside Idyllwild Area: N of ISOMATA along USFS Rd 5S24.1 1645 Comment
  RSA33617  Arceuthobium campylopodum N. C. Cooper 1944-7-16 1547 Riverside At trailside. San Jacinto Mt. above Pine Cove 2073 Comment
  UC6053  Arceuthobium campylopodum H. M. Hall July 1901 Riverside San Jacinto Mtns 1615 Comment
  RSA629380  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15086 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629462  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  SDSU13500  Arctostaphylos glandulosa subsp. glandulosa W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCD105722  Arctostaphylos glandulosa subsp. glaucomollis T. Scott; A. Townesmith, K. M. Meyer 2007-3-15 130 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. Along side of road at pull-off before Diamond Zen Rd. 1298 Comment
  RSA629407  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19498 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  POM254922  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Southwest Santiago Peak, Santa Ana Mts. 1735 Comment
  RSA631783  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19279 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631848  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20172 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1450 Comment
  UCR100168  Arctostaphylos glauca Scott D. White 1992-12-16 988 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  POM307249  Arctostaphylos parryana subsp. desertica Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2240 Riverside Santa Rosa Mountains Comment
  RSA633548  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16714 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633607  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22519 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633662  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16656 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  CAS-BOT-BC44364  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-6-1 207 Riverside Saunders Meadow, San Jacinto Mts. 1706 Comment
  POM305862  Arctostaphylos pringlei subsp. drupacea Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1158 Riverside Santa Rosa Mts. Comment
  SDSU2818  Arctostaphylos pringlei var. drupacea F. Young Berg 1933-8-28 1218 Riverside Near Inspiration Pt. near Idyllwild Pines, San Jacinto Mts. Comment
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Mar 10 2014
  CAS-BOT-BC46338  Arctostaphylos pungens Peter H. Raven 1959-5-18 14242 Riverside Lake Fulmor, San Jacinto Mts. Comment
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635781  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16530 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635813  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16552 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  RSA636018  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18802 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR132908  Arenaria macradenia 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
  UC219064  Arenaria macradenia var. macradenia P. A. Munz 1922-6-29 5893 Riverside Santa Rosa Mts. 2133 Comment
  UCR21292  Arenaria pusilla A. C. Sanders, K. Berg 1980-5-1 1362 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  CAS-BOT-BC401680  Argemone munita subsp. munita Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC207120  Argythamnia lanceolata Ivan Johnston 1917-4-4 1106 Riverside Andreas Canyon, Colorado Desert 274 Comment
  CAS-BOT-BC137663  Aristida adscensionis Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah J. DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11231 Riverside Colorado Desert. Chocolate-Chuckawala Mountains Region. Western base of the Chocolate Mountains, small canyon ca. 1.25 mile 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 Comment
  UCR103551  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-1-17 2536 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  UCR167416  Aristida adscensionis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR92639  Aristida adscensionis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCD56350  Aristida californica A. A. Beetle 1943-4-27 1938 Riverside Near Thousand Palms. Comment
  UCR244912  Aristida californica Jim Andre 2012-3-19 21352 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  JOTR30070  Aristida californica var. californica La Doux, Tasha, Bill Truesdell 2006-10-3 1713 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UCSB45528  Aristida purpurea Roos, John 1951-10-19 Riverside Badlands and Old Jackrabbit trail 609 Comment
  UCD56548  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside head of Deep Canyon. 1219 Comment
  RSA750538  Artemisia californica Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12588 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UCR141241  Artemisia californica A. C. Sanders, Kelly Volansky 2004-10-6 28813 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  CLARK-A1528-154  Artemisia douglasiana John C. Roos 1951-9-25 5281 Riverside Riverside 259 Comment
  RSA0059637  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1935-8-21 6984 Riverside West of Keen Camp P.O. 1360 Comment
  CAS-BOT-BC93480  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1097 Comment
  LA202956  Artemisia tridentata subsp. tridentata F. H. Lewis; 1939-11-22 1034 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  SEINET10513658  Arundo donax David B. Dunn 1947-2-9 Dunn 2851 Riverside Pushawall canyon. Indio hills. By lower part of stream. Comment
  UCR4613  Asclepias albicans John Dean 1965-1 s.n. Riverside Eastern Colorado Desert, Hwy 95, 20 mi. north of Blythe, near Blythe [Palo Verde] intake dam 153 Comment
  SBBG87638  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside head of Bee Cyn along Bee Cyn Rd, 1.7 mi above the mouth of the cyn at the San Jacinto River valley 792 Comment
  UC22993  Asclepias fascicularis Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  POM48555  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  POM11737  Aspidotis californica P. A. Munz, I. M. Johnston 1922-5-19 5334 Riverside 5 miles NE of Murrieta 518 Comment
  RSA45536  Astragalus aridus J. C. Roos 1949-3-26 4117 Riverside Coachella Valley, Indio. Comment
  SBBG3150  Astragalus aridus H. and M. Dearing 1949-4-6 6737 Riverside below sea level, near Mecca Comment
  UC700951  Astragalus aridus Aven and Ruth Nelson 1939-3-30 3343 Riverside between Mecca nd Blythe on old road between Mecca nd Blythe on old road (hiway 60) Comment
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Feb 3 2011
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  RSA0119872  Astragalus coccineus Duncan S. Bell, Thomas Stoughton 2016-4-12 9215 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  UCR78449  Astragalus coccineus Scott D. White 1993-4-9 1199 Riverside San Jacinto Mtns, eastern Garner Valley area, near intersection of Hwy 371 and Hwy 74. Comment
  UCD84939  Astragalus didymocarpus var. dispermus Chuck Hughes 2010-3-23 211 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  CAS-BOT-BC178452  Astragalus douglasii var. parishii D. E. Breedlove 1961-5-6 465 Riverside 4.2 mi. SW of Viste Grande Guard Station on Riverside Highway 1 near Allendale Pines, San Jacinto Mtns. 1798 Comment
  POM157927  Astragalus douglasii var. parishii P. A. Munz 1927-5-21 10843 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  POM229793  Astragalus douglasii var. parishii P. A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak. 2348 Comment
  RSA557889  Astragalus gambelianus Steve Boyd, Orlando Mistretta 1992-4-22 7010 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UC1287053  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside sand dunes about 15 mi s Rice (on dirt road to Blythe); s of Rice, road to Blythe Comment
  SBBG54104  Astragalus lentiginosus var. borreganus T. Minthorne -- Riverside between Banning and Palm Springs Comment
  RSA627041  Astragalus lentiginosus var. coachellae Don Mitchell 1998-4-18 s.n. Riverside Coachella Valley. SW of Edom / 1000 Palms RR siding: along access road to Pacific Bell cellular phone antenna. Nar the point where 300 ft. contour line intersects section line between sects. 19 and 30. 91 Comment
  UCR160704  Astragalus lentiginosus var. coachellae Michael A. Patten 1993-3-21 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, NE of intersection of Frank Sinatra Dr. & Portola Ave., near Dry Camp Siding, 'Cook St. interchange' project 61 Comment
  UCR169872  Astragalus lentiginosus var. coachellae Nathan Moorhatch, M. D. Wilcox 2004-3-2 s.n. Riverside Sonoran (Colorado) Desert, NW corner of Desert Dunes Golf Course, just outside fence along dirt road [between Dos Palmas Corners and Seven Palms Ranch] 238 Comment
  JOTR28752  Astragalus lentiginosus var. variabilis La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1595 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  CAS-BOT-BC178063  Astragalus nuttallianus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6420 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  UCR112975  Astragalus nuttallianus B. G. Pitzer, T. Tennant 1998-2-21 3533 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  UCR23854  Astragalus nuttallianus John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  JOTR16678  Astragalus palmeri Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK Comment
  CAS-BOT-BC192827  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  CAS-BOT-BC194130  Astragalus pomonensis Peter H. Raven; Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.W. Highway 60 on State Highway 79 on route to Gilman Hot Springs Comment
  CSUSB1292  Astragalus pomonensis Heather Johnston 1967-4-9 040967 2 Riverside 1.2 miles south on Lawless Road from Route 395 exit. 50 yards up turnoff road, 5 yards from roadside (right side). 365 Comment
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Apr 6 2013
  POM2007  Astragalus pomonensis C. F. Baker 1904-4-5 4131 Riverside Hemet 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
  UC574974  Astragalus pomonensis C. Epling and J. Ewan June, 1933 Riverside 5 mi above Corona (Temescal Canyon); , above Corona Comment
  UC863012  Astragalus pomonensis C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  UCR111970  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UC63670  Astragalus purshii var. tinctus H. M. Hall May 17 1901-Jun 1 1901 1899 Riverside Santa Rosa 2438 Comment
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Nov 1 2007
  POM182499  Astragalus sabulonum M. French Gilman 1930-4-6 3 Riverside East of Mecca. Comment
  SBBG3248  Astragalus sabulonum H. and M. Dearing 1938-3-5 1977 Riverside between Blythe and Desert Center Comment
  PASA2748  Astragalus tricarinatus Marcus E. Jones 1929-3-19 8640 Riverside Whitewater, Colorado Desert Comment
  UCR249834  Athysanus pusillus T. B. Salvato, John Lovio 2013-3-19 7358 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  JEPS35951  Atrichoseris platyphylla W. L. Jepson 1927-4-12 11660 Riverside Painted Canyon Mecca Hills, Painted Canyon Comment
  RSA418187  Atrichoseris platyphylla N. C. Cooper 1949-4-8 3289 Riverside Shaver's Summit east of Indio 610 Comment
  SD43753  Atrichoseris platyphylla Darley F. Howe 1949-3-21 1944 Riverside 10 miles est of Mecca. Comment
  UC724310  Atrichoseris platyphylla Aven Nelson, Ruth A. Nelson 1939-3-29 3328 Riverside near Mecca; Hidden Springs Canyon Comment
  UCR196358  Atrichoseris platyphylla Naomi Fraga, Lisa Rojas 2005-2-10 1405 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  UCR279555  Atrichoseris platyphylla A. C. Sanders, Jim Malusa 2017-3-29 43187 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR101545  Atriplex argentea C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  UC1329983  Atriplex canescens James E. Cole 1941-6-7 851 Riverside Lost Horse Pass , Lost Horse Pass (Joshua Tree National Monument) 1371 Comment
  UC527696  Atriplex canescens C. B. Wolf 1931-10-14 2462 Riverside roadside at Cabezon (San Gorgonio Pass); , Cabezon 518 Comment
  UC850763  Atriplex canescens Carl B. Wolf 1933-8-2 5181 Riverside Cottonwood Spring Colorado Desert, , Cottonwood Spring (Eagle Mts.) 289 Comment
  UCR113603  Atriplex canescens A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23673 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  CAS-BOT-BC170212  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5226 Riverside Mockingbird Canyon near Arlington Comment
  CLARK-A1528-395  Atriplex canescens subsp. linearis Frank C. Vasek 1969-10-14 Riverside Riverside Comment
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  UCR252811  Atriplex coronata var. notatior Karyn L. Drennen 2014-5-13 028 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  UC68841  Atriplex elegans H. M. Hall 1905-4-17 5924 Riverside near Colorado River (Colorado Desert, Palo Verde Valley); Colorado Desert, nr Colorado River, Palo Verde Valley 91 Comment
  UCD97564  Atriplex nummularia Mitch Provance 2000-10-28 2289 Riverside Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 290 Comment
  UCSB1653  Atriplex polycarpa Ballard 1955-1-8 Riverside On road from Palm Springs to Cathedral City 182 Comment
  RSA619796  Atriplex rosea A. C. Sanders, K. C. Rose 1998-9-29 22241 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. 459 Comment
  SEINET3004918  Atriplex rosea G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10336 Riverside Canal two miles north of Blythe. 70 Comment
  RSA574572  Atriplex serenana Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
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Feb 13 2019
  UCR114547  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22815 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA532584  Atriplex serenana var. davidsonii D. Bramlet 1991-6-20 2200 Riverside San Jacinto Wildlife Area. Approximately 8 m. E of Davis Road and some 150 m. N of the San Jacinto River levee. Old Riverbed area beside the existing channelized area of the San Jacinto River. 475 Comment
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Jan 16 2013
  SD211582  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 292 Comment
  UCR23926  Avena barbata John C. Roos, L. Roos 1950-4-15 4738 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  CLARK-A1528-40  Avena fatua John C. Roos 1951-9-25 Riverside Riverside 259 Comment
  UCR2188  Avena fatua F. M. Reed 1934-3-1 8703 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 274 Comment
  RSA385393  Avena fatua N. C. Cooper 1947-4-5 2107 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC98785  Baccharis brachyphylla Marjorie Clary 1932-12-13 654 Riverside Near mouth of Deep Canyon [Canon], western edge of Coachella Valley, near eastern end of Palms-to-Pines Highway, 304 Comment
  UCR89706  Baccharis brachyphylla J. M. Stewart 1990-10-28 668 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  RSA614835  Baccharis emoryi A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15809 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  UCR139038  Baccharis salicifolia D. L. Banks, V. W. Steinmann 1997-3-13 1426 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR94240  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UC63377  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1828 Riverside near Palm Canon; Riverside, Santa Rosa Peak, Palomar 914 Comment
  IRVC510  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-1 SJ 160 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  OBI16958  Baccharis sergiloides Louis C. Wheeler 1933-12-1 2292 Riverside mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  SD229069  Baccharis sergiloides Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 636 Riverside Mt. San Jacinto 1085 Comment
  SEINET899355  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10mi. Below San Bernandino Co. line 671 Comment
  UC87133  Baccharis sergiloides S. B. and W. F. Parish 1880-1-1 2911 Riverside Whitewater Desert Comment
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Jan 14 2010
  UC893734  Baccharis sergiloides Carl B. Wolf 1932-10-13 4311 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  CAS-BOT-BC295903  Bahiopsis parishii Marcus E. Jones 1906-4-19 s.n. Riverside San Felipe Hill, W. Colo. Desert 731 Comment
  POM47795  Bahiopsis parishii Mary F. Spencer 1918-4-5 778 Riverside Palm Springs 137 Comment
  CAS-BOT-BC99947  Baileya pauciradiata Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13232 Riverside 2.4 mi. S of Rice, on road to Midland and Blythe Comment
  POM350668  Baileya pauciradiata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA23112  Baileya pauciradiata I. L. Wiggins 1938-3-19 8900 Riverside 25 miles W of Blythe. Comment
  POM350686  Baileya pleniradiata M. B. Dunkle 1935-3-17 4398 Riverside Desert Center. 610 Comment
  RSA0020374  Baileya pleniradiata Duncan S. Bell 2012-3-4 3133 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA741015  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-6-18 12232 Riverside K Flat Meadow. 1433 Comment
  CHSC26007  Bebbia juncea James Henrickson 1971-4-2 5482 Riverside Near Hidden Oasis, 13 miles E of Palm Springs. 182 Comment
  UCR167365  Bebbia juncea 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
  UCR78047  Bebbia juncea Scott D. White 1993-4-22 1225 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  HSC25156  Bebbia juncea var. aspera Richard Spjut 1972-3-13 2266 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  LA103754  Bebbia juncea var. aspera Robert F. Thorne; C. W. Tilforth 1973-5-30 43582 Riverside Coachella Valley, mouth of Morongo Valley at N-end of valley 548 Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  SD181675  Berberis dictyota Scott D. White, Pam DeVries 2000-4-25 7735 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  UCR266819  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR239929  Bidens frondosa O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  CAS-BOT-BC478938  Bloomeria crocea var. crocea R. Bacigalupi 1925-7-2 1244 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1828 Comment
  RSA278503  Boechera californica John F. Emmel 1977-6-9 565 Riverside Thomas Mountain Road, ca. 0.5 air mile SW of Jozee Spring. 1585 Comment
  SBBG50743  Boechera californica R. S. Woglum 1941-6-12 3059 a Riverside Idyllwild Comment
  UC10091  Boechera californica H. M. Hall Jun 1901 2221 Riverside Onstatts Valley San Jacinto Mountains 1981 Comment
  CAS-BOT-BC16258  Boechera glaucovalvula H. M. Hall 1905-5-1 6019 Riverside Colorado Desert. Cottonwood Springs. Comment
  CAS-BOT-BC16260  Boechera glaucovalvula Annie M. Alexander; Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument. 1249 Comment
  CAS-BOT-BC14726  Boechera repanda H. M. Hall 1901-6-1 2449 Riverside San Jacinto Mountains. Tauquitz Valley. 1889 Comment
  RSA462666  Boerhavia coccinea C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
  JOTR30080  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  POM259509  Boerhavia triquetra E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  UCR215450  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 336 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UCR5613  Boerhavia triquetra O. F. Clarke 1966-10-5 661005- 10 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR242288  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40421 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR57891  Boerhavia wrightii J. M. Stewart 1989-9-17 604 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC31018  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  UCR114302  Bolboschoenus maritimus subsp. paludosus Julie A. Greene 1993-4-30 1271 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  RSA613138  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  CLARK-A1528-4513  Bouteloua barbata John C. Roos 1965-9-5 Riverside 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
  UC406749  Bouteloua barbata var. barbata Marcus E. Jones, A. M. 1929-9-16 24716 Riverside near Desert Center; Hayfields Comment
  CAS-BOT-BC95428  Bowlesia incana E. A. Zumbro 1902-4-1 s.n. Riverside Box Springs Mtn. Comment
  UC1931070  Bowlesia incana Scott D. White, Justin Wood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR107426  Bowlesia incana B. G. Pitzer, A. C. Sanders, T. Tennant 1998-4-26 3674 Riverside Box Springs Mountains, Pigeon Pass Road, c. 1/2 mi. by road uphill from Pigeon Pass., in Pigeon Pass Valley, on south side of mtns. 518 Comment
  SEINET13262577 Image available Brachypodium hybridum Steve Boyd 2011-1 12306 Riverside City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  HSC27843  Brandegea bigelovii R. W. Spjut 1973-4-10 3297 Riverside N base of the Chuckawalla Mtn. ca. 3-4 mi. directly S of Desert Center 305 Comment
  UC1551917  Brandegea bigelovii David Charlton 1988-2-19 1170 Riverside n of Mecca Hills (on road between Cottonwood Wash and Mecca, near Mecca, Colorado Desert Wash Community, Orocopia Mountains, Box Canyon); Orocopia Mountains, Box Canyon 457 Comment
  UC494864  Brandegea bigelovii C. L. Hitchcock 1932-4-7 12198 Riverside Corn Springs, eastern Riverside County Corn Springs Comment
  UCR112112  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2000-4-21 23344 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  UCR176768  Brassica geniculata G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR48375  Brassica nigra Steve Boyd 1986-5-7 1830 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA0102674  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA757792  Brassica tournefortii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4295 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
  SD216466  Brassica tournefortii Carol R. Annable 1995-3-9 2257 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement. Comment
  CLARK-A1528-1656  Brickellia arguta John C. Roos 1948-5-1 3813 Riverside Whitewater Comment
  RSA93718  Brickellia arguta F. W. Peirson 1928-4-24 7900 Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  JOTR30813  Brickellia arguta var. arguta La Doux, Tasha, Jim Andre 2008-9-16 334 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  JOTR34406  Brickellia desertorum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3093 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring area 902 Comment
  UC1010317  Brickellia desertorum John and Lucille Roos 1950-10-14 5006 Riverside near corner of Alta and Canal Sts (e end of Jurupa Hills, West Riverside); Jurupa Hills 304 Comment
  RSA94118  Brickellia desertorum F. W. Peirson 1920-12-29 2336 Riverside Andreas Canyon near Palm Springs 244 Comment
  CAS-BOT-BC100518  Brickellia incana Edmund C. Jaeger 1924-10-1 s.n. Riverside Coyote Holes near Quail Springs, Morongo Mountains 1036 Comment
  UCR264241  Brickellia incana A. C. Sanders, Jim Malusa 2015-9-10 41848 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCSB45580  Brickellia incana Roos, John 1965-6-23 Riverside Colorado Desert; Lost Palms Wash, north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  JOTR32362  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2477 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  RSA535085  Brodiaea jolonensis Steve Boyd 1991-5-10 6220 Riverside Temescal Canyon, E base of Santa Ana Mountains. Terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of DePalma Road. 366 Comment
  RSA740234  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12391 Riverside Johnson Meadow. 1439 Comment
  UCR23233  Brodiaea terrestris subsp. kernensis Melody Lardner 1981-5-31 195 Riverside Santa Ana Mtns, Tenaja Rd., 2.5 mi from the corner of Calle Collina Rd. and Tenaja Rd., 0.5 mi east of Squaw Mtn 610 Comment
  RSA363848  Bromus diandrus N. C. Cooper 1944-5-6 1215 Riverside Banning. 701 Comment
  UCR158271  Bromus diandrus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29502 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
  RSA740616  Bromus grandis Scott D. White, Justin M. Wood 2008-6-19 12254 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCR201697  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-5-15 11988 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA500985  Bromus hordeaceus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3104 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  POM15214  Bromus marginatus Mary F. Spencer 1922-6-27 1985 Riverside Idyllwild. San Jacinto Mountains. 1707 Comment
  UCR9398  Bromus marginatus D. H. Wilken 1965-6-21 281 Riverside San Jacinto Mtns., Herkey Creek Public Camp, W end of the Hemet (Garner) Valley 1372 Comment
  CLARK-A1528-4554  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  RSA682074  Bromus rubens Scott D. White 2001-3-27 8172 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  POM10016  Bromus rubens C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jun 30 2012
  SEINET14451730  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; Riverside. 0 183 Comment
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  SD185082  Bromus sterilis T. B. Salvato, Kent Beaman 2005-5-16 874 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of Ca. Highway 74. 548 Comment
  RSA716385  Bromus tectorum Scott D. White, Angelia Carey 2004-4-5 9995 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA0019726  Bromus tectorum Diane M. Ramirez 1983-5-15 26 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill 1253 Comment
  UCR2259  Bromus trinii F. M. Reed 1907-6-16 1471 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  POM250344  Caesalpinia virgata I. W. Clokey 1935-4-17 6717 Riverside Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA799249  Caesalpinia virgata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 729 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UC279670  Caesalpinia virgata unknown 1925-12-18 Riverside Fish Traps near Oasis Comment
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Feb 3 2011
  UC604866  Caesalpinia virgata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9564 Riverside 2 mi. up Painted Canyon (Mecca Hills); , Painted Canyon Comment
  UC635494  Calandrinia ambigua Frank W. Peirson 1926-2-22 6512 Riverside rocky hills along summits 1000-Palm Canyon 152 Comment
  UCR263228  Calandrinia ciliata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41463 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SD262253  Callitriche marginata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 27 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. Large vernal pool. 430 Comment
  UC1200604  Calocedrus decurrens Peter Kamb 1945-2-18 23 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA734210  Calochortus invenustus Keith E. Hoffmaster 1937-7-5 826 Riverside Fern Valley, San Jacinto Mtns Comment
  CAS-BOT-BC483418  Calochortus invenustus H. M. Hall 1901-6-1 2297 Riverside In the vicinity of Strawberry Valley, San Jacinto Mountains 1828 Comment
  UCR189812  Calochortus palmeri var. munzii Theresa Johnson 2007-6-22 377 Riverside Peninsular Range, San Jacinto Mountains Region, c. 3 mi northwest of intersection of Hwy 74 and Hwy 243, c. 0.2 mi southwest of Alvin Meadows near Chimney Flats Road 1477 Comment
  UCR1591  Calochortus splendens R. L. Needham 1962-5-20 10089 Riverside San Jacinto Mtns., Banning-Idyllwild Hwy [243], c. 5 mi from Banning 915 Comment
  UCR62662  Calochortus weedii var. intermedius Gary Bell 1990-6-27 s.n. Riverside hills c. 0.75 mi west of Crown Valley, NW of Rawson Canyon 762 Comment
  RSA777833  Calycoseris wrightii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 851 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SD240845  Calycoseris wrightii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37457 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak. 195 Comment
  UCR41629  Calycoseris wrightii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6095 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CLARK-A1528-770  Calyptridium monandrum C. M. Flanagan 1973-5-20 OO 529 Riverside Morongo Indian Reservation 1158 Comment
  SEINET7063457  Calyptridium monandrum 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
  UC218257  Calyptridium parryi var. parryi P. A. Munz 1922-7-6 6004 Riverside Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2194 Comment
  SEINET998494  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-1 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. (Murrieta 7.5' Q) 579 Comment
  SDSU13485  Calystegia macrostegia subsp. intermedia C. Matt Guilliams, Linz, Tahirih 2000-4-29 Riverside Insect trail at Santa Margarita Ecological Reserve, approx. 1.5 miles NE of Gavalin Mountain. 354 Comment
  RSA525284  Calystegia macrostegia subsp. macrostegia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4598 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA584032  Calystegia occidentalis subsp. fulcrata T. S. Ross, Karl E. Holte, A. R. Ross 1993-5-30 7345 Riverside San Mateo Canyon Wilderness Area, Cleveland National Forest; Tenaja Canyon (sometimes considered a part of the Santa Margarita Mts.). 488 Comment
  CAS-BOT-BC218904  Camissonia Elizabeth McClintock 1958-4-5 s.n. Riverside Painted Canyon, Colorado Desert, along wash Comment
  RSA522771  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3878 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
  SEINET272325  Camissonia bistorta A. C. Sanders, G Helmkamp 1997-3-15 19965 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  SEINET7072829  Camissonia bistorta A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UCR107711  Camissonia bistorta A. C. Sanders 1997-3-1 19750 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
  UCR116950  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-5-3 24122 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR234253  Camissonia bistorta A. C. Sanders 2012-4-12 40022 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR114142  Camissonia boothii B. G. Pitzer, J. Ross 1998-3-8 3601 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR117378  Camissonia boothii B. G. Pitzer 1998-2-1 3449 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR213396  Camissonia boothii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37465 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  POM14010  Camissonia boothii subsp. condensata P. A. Munz, D. Keck 1922-4-9 4747 Riverside Palm Springs. 76 Comment
  RSA3972  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-29 3110 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA678226  Camissonia boothii subsp. condensata Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1095 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  RSA136658  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11475 Riverside Box Canyon, 5.5 miles SE of Painted Canyon turnoff, near Mecca. Comment
  RSA548744  Camissonia brevipes subsp. brevipes W. L. Halvorson 1977-2-5 77 -7 Riverside Joshua Tree National Monument. Desert bajada near the junction of Interstate 10 and road to the Monument. Comment
  RSA613634  Camissonia californica D. L. Banks, Victor W. Steinmann 1997-3-13 1483 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA776233  Camissonia californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 871 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  RSA20301  Camissonia cardiophylla Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9569 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA454732  Camissonia cardiophylla Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  IRVC27410  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 53 Riverside 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal Coachella Valley 9 Comment
  UCR103566  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2710 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA0037327  Camissonia claviformis John C. Roos 1966-5-20 s.n. Riverside 2 miles S.E. of Desert Center. Comment
  POM14095  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4775 Riverside Shavers Well, near Mecca. 76 Comment
  POM14454  Camissonia claviformis subsp. aurantiaca Alice Eastwood 1913-4-30 2983 Riverside Palm Springs. Comment
  RSA135283  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11746 Riverside Colorado Desert, US Highway 95, 8.6 miles N of Blythe. Comment
  RSA448926  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1944-3-26 1028 Riverside Morongo Pass, Floor of canyon. 457 Comment
  RSA790629  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 5 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  SEINET12193360  Camissonia claviformis subsp. aurantiaca W. L. Wagner, Mill, S. W. 1982-1 4559 Riverside 8.2 milesNW of I-10 Desert Center along Hwy 177 Comment
  RSA0024812  Camissonia claviformis subsp. peirsonii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4465 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR120857  Camissonia confusa Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  SEINET7073471  Camissonia contorta A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
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Jun 24 2020
  RSA263688  Camissonia hirtella E. W. Lathrop 1968-6-2 6960 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA291564  Camissonia hirtella C. W. Tilforth, B. Busenberg 1980-6-17 2002 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UCR176187  Camissonia hirtella Amber Bruno 2005-4-14 17 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
  UCR23190  Camissonia hirtella S. Gallagher 1981-6-1 27 Riverside Box Springs Mtns., Box Springs Road 1.8 mi south of intersection w/ Pigeon Pass Road. Site on the SE corner of intersection of Box Springs Road & a dirt side road leading to W slope of the mtns. 747 Comment
  UCR3353  Camissonia ignota T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 1 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off SE road fork 762 Comment
  UCR97901  Camissonia intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19853 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 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
  RSA449056  Camissonia refracta M. B. Dunkle 1933-3-4 3044 Riverside Sandy wash, Painted Canyon, Colorado Desert. 30 Comment
  UCR144110  Camissonia refracta Scott D. White 2001-4-17 8347 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
  UCR199837  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11283 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  SDSU3404  Camissonia strigulosa H. Wedberg 1958-3-30 192 Riverside On Machado Road, 1.0 mile southwest of Hwy 71, near Elsinore. Roadside in olive grove. Comment
  UCSB42114  Camissonia strigulosa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns Comment
  UCSB42115  Camissoniopsis bistorta Roos, John 1966-4-5 Riverside Winchester Comment
  SDSU3364  Camissoniopsis hirtella H. Wedberg 1958-5-17 300 Riverside 7.4 miles from Banning railroad station on road to Idyllwild. Comment
  SD215583  Camissoniopsis lewisii Steve Boyd, Tim Ross et al 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  RSA492847  Cardamine californica var. integrifolia L. F. LaPre, Jack Easton 1988-1-27 s.n. Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta. Comment
  UC830200  Carex P. A. Munz 1922-7-7 6052 Riverside Round Valley San Jacinto Mts. 2712 Comment
  POM14318  Carex alma Phillip A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mile above mouth of Strawberry Creek. 1159 Comment
  UCR68861  Carex barbarae Steve Boyd, T. S. Ross 1990-5-11 4663 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CHSC106640  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains (SnJt); Bridge over N Fork San Jacinto River, Dark Canyon, at campground. 1785 Comment
  RSA633885  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38118 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR26920  Carex pellita A. C. Sanders 1980-7-22 1708 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
  POM49566  Carex sartwelliana Phillip A. Munz 1924-7-28 8815 Riverside Pine Flats 1738 Comment
  SD181801  Carex triquetra Scott D. White, Teresa Salvato 2001-6-8 8585 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 334 Comment
  POM307284  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n. Riverside Santa Rosa Mountains. Comment
  POM71676  Castilleja applegatei subsp. martinii Philip A. Munz 1924-5-18 8131 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA221714  Castilleja applegatei subsp. martinii Noel Holmgren, Liew Fah Seong 1969-6-17 3578 Riverside County road R1, 1/4 mile above Bay Tree Spring. Comment
  UCR244426  Castilleja chromosa Jim Andre 2012-4-16 20959 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UCR49780  Castilleja densiflora B. G. Pitzer 1987-4-11 477 Riverside Santa Ana Mtns., Santa Rosa Plateau area, on Clinton Keith Road, c. 4.3 mi east of Palomar Street and 0.5 mi. east of the Nature Conservancy Preserve entrance 564 Comment
  SD134194  Castilleja exserta R. Mitchel Beauchamp 1972-4-16 3297 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  UCR139396  Castilleja exserta P. A. Munz 1932-3-24 12016 Riverside Santa Ana River Valley/Santa Ana Mtns. Foothills, Corona 366 Comment
  UCR16031  Castilleja martinii J. Texera 1970-4-30 16 Riverside San Jacinto Mtns, 50 ft south of the road, Hwy 74, 2 mi west of Mountain Center 1280 Comment
  POM250367  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs. Comment
  RSA0030795  Castilleja miniata Mary F. Spencer 1922-6-26 1977 Riverside Idyllwild, San Jacinto Mountains. 1220 Comment
  UCR22079  Caucalis microcarpa Steve Boyd 1980-5-3 193 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  POM14299  Caulanthus cooperi P. A. Munz, D. D. Keck 1922-4-9 4787 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR244873  Caulanthus lasiophyllus Jim Andre 2012-3-19 21396 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA5253  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside Strawberry Valley, at base of Devil's slide Trail to Tahquitz Valley. 1707 Comment
  SDSU10275  Ceanothus cordulatus Frank Gander 1941-6-8 1106 Riverside Strawberry Creek, San Jacinto Mtns. 1524 Comment
  UC64021  Ceanothus cordulatus H. M. Hall Aug. 1897 Riverside San Jacinto Mts. 2438 Comment
  RSA606770  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27361 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UCR87946  Ceanothus crassifolius A. C. Sanders 1994-1-30 14225 B Riverside Box Springs Mtns., Crest of range along the pole line trail from the head of Two Trees Canyon to head of Big Springs Canyon 686 Comment
  UCR89483  Ceanothus crassifolius Steve Boyd, K. A. Boyd 1993-3-28 7921 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  RSA0067952  Ceanothus greggii John F. Emmel 1994-4-17 1293 Riverside San Jacinto Mts.; 0.1-0.2 air mile west of Fobes Spring, NE of Garner Valley. 1463 Comment
  LA44859  Ceanothus leucodermis W. Pequegnat; 1939-4-8 45 Riverside Santa Ana Mountains Comment
  POM2844  Ceanothus leucodermis C. F. Baker 1903-4-4 8993 Riverside Elsinore. Comment
  SBBG119994  Ceanothus leucodermis A. C. Sanders with M. Misenhelter 2005-3-23 29263 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UCR166154  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 560 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
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Jun 10 2012
  RSA263748  Ceanothus oliganthus E. W. Lathrop 1968-5-22 6905 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA0025535  Ceanothus oliganthus var. sorediatus John F. Emmel 1992-4-11 1202 Riverside Riverbed of South Fork San Jacinto River, 0.3 air mi NW of confluence of Dry Creek and San Jacinto River. 738 Comment
  RSA569997  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7912 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA583377  Ceanothus ophiochilus Steve Boyd, Darin Banks 1995-2-16 8404 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on break in slope on ridgeline east of the upper end of the old Woodchuck Truck Trail road grade, just north of the San Diego County line. 1098 Comment
  SBBG4413  Ceanothus palmeri M. Van Rensselaer 1937-6-23 687 Riverside San Jacinto Mtns, W slope rd to Banning 1676 Comment
  UCR138758  Ceanothus palmeri Scott D. White 1997-5-18 5176 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UC1595638  Ceanothus tomentosus Steve Boyd 1991-5-10 6209 Riverside Santa Ana Mountains, base range, just N of mouth of Hagador Canyon at bottom of Skyline Drive 426 Comment
  RSA398967  Ceanothus tomentosus subsp. olivaceus Julian P. Donahue 1983-4-3 s.n. Riverside Santa Ana Mts., Skyline Dr., southwest of Corona. El. 2900' 884 Comment
  CAS-BOT-BC63252  Ceanothus tomentosus var. olivaceus L. R. Abrams 1935-4-7 13680 Riverside San Juan Canon, Ortega Highway, 2 mi. above Orange Co. line. Comment
  CAS-BOT-BC334493  Cenchrus setaceus Lynn Sweet; Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns: UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 0.25 mile from end of road 335 Comment
  CAS-BOT-BC277063  Centaurea melitensis T. C. Fuller 1964-4-14 11814 Riverside N.W. corner of Washington & La Fonda Sts., La Quinta, Coachella Valley Comment
  UCR140877  Centaurea repens Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside San Timoteo Canyon, 3.2 miles SE of Redlands Blvd., across road from historic schoolhouse, between RR tracks and creek, NE of El Casco Lakes 579 Comment
  RSA741180  Centaurium venustum Scott D. White, Justin M. Wood 2008-7-10 12459 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UC22696  Centaurium venustum H. M. Hall Jun 1901 2106 Riverside e base San Jacinto Mountains (along borders of the Colorado Desert); , Colorado Desert Comment
  UCR143363  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside Peninsular Ranges; Santa Ana Mountains, San Juan Canyon, Upper San Juan Campground el. '2500 ft. 534 Comment
  UC1392826  Centromadia pungens subsp. laevis R. F. Hoover 1968-6-6 11150 Riverside 1 mi e Perris Comment
  UCR275231  Centromadia pungens subsp. laevis Allison D. Rudalevige 2012-5-2 001 Riverside Temecula, adjacent to Murrieta Creek, along Diaz Diaz Rd. between Winchester Rd. and Black Deer Loop 311 Comment
  RSA735900  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-3 12057 Riverside Perris Basin: March ARB. Comment
  UC68686  Centrostegia thurberi var. thurberi H. M. Hall May, 1905 6021 Riverside Colorado Desert, Cottonwood Mountains Cottonwood Mountains; Colorado Desert, Cottonwood Mountains 609 Comment
  RSA172306  Cercidium floridum R. F. Thorne 1963-3-29 32374 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  JOTR31978  Cercidium floridum subsp. floridum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2214 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  CAS-BOT-BC135454  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  JOTR30771  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  SEINET3005068  Chaenactis carphoclinia G. Rink 2011-5-1 10506 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR269868  Chaenactis carphoclinia A. C. Sanders, Jim Malusa 2016-3-18 42366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB30423  Chaenactis carphoclinia Wheeler, William 1975-3-9 Riverside In Box Canyon wash, 13 miles south of I-10 on Calif. 195 609 Comment
  CAS-BOT-BC276911  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning Comment
  POM311406  Chaenactis fremontii Wm. Jeffrey 1957-4-3 153 Riverside 1 mile N of Indio Beaumont Hwy on 29 Palms road 427 Comment
  RSA339646  Chaenactis fremontii R. F. Thorne, C. W. Tilforth 1980-5-28 54239 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA682173  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA770843  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4947 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
  SEINET2049106 Image available Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mstns. Dillon Road and 1000 Palms Oasis Rd Jct. S of Joshua Tree National Park, parallel to I-10. 5 mi. E of Jct dillon Rd. and Fargo Cyn Rd. Near small hill with blow sand on top 2000'. 244 Comment
  UC894466  Chaenactis fremontii Milo S. Baker Apr 3 1928-Apr 4 1928 30186 Riverside about Palm Canon Palm Canon Comment
  VVC2884  Chaenactis fremontii Tim Thomas, P. J. MacKay 2010-4-12 5024 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR87901  Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA613635  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 B Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UC63018  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1902-4-21 2933 Riverside vicinity of Riverside 274 Comment
  UCR96275  Chaenactis glabriuscula var. glabriuscula Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Along creek, just SE of Hogbacks 328 Comment
  OBI33598  Chaenactis glabriuscula var. lanosa John C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview Comment
  SEINET2049307 Image available Chaenactis parishii Kathy Harper 1988-6-11 Riverside San Jacinto Mountains, on Thomas Mountain Road, S of Thomas Mountain Lookout. Comment
  CAS-BOT-BC284340  Chaenactis stevioides A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37430 Riverside SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Road, Sonoran (Colorado) Desert 170 Comment
  HSC101261  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA0021551  Chaenactis stevioides Duncan S. Bell 2012-3-4 3135 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UCR245963  Chaenactis stevioides Duncan S. Bell 2009-3-8 80 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  RSA27703  Chamaesyce albomarginata C. L. Hitchcock 1940-4-2 5925 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA522312  Chamaesyce albomarginata Steve Boyd 1989-7-9 3782 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  SEINET4207484  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
  RSA0031554  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  SEINET3089924 Image available Chamaesyce pediculifera A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett, et al. 1986-3-9 6231 Riverside Painted Gorge, 5.1 miles N of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo. 152 Comment
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA0104636  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7662 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA774924  Chamaesyce polycarpa Duncan S. Bell 2011-4-7 2168 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  RSA781417  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2997 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  JEPS26604  Chamaesyce serpillifolia subsp. hirtula Peter Kamb 1948-7-4 1168 Riverside San Jacinto Mtns, Hall Canyon 1645 Comment
  RSA741113  Chamaesyce serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  JOTR32413  Chamaesyce setiloba Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 4 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  SBBG32374  Chamaesyce setiloba L. S. Rose 1967-12-19 67178 Riverside La Quinta 15 Comment
  UC196601  Chamaesyce setiloba Joseph Grinnell 1910-3-17 Riverside Riverside Mtn, Colorado River Comment
  HSC990  Cheilanthes covillei W. R. Supernaugh, Jr. 1964-12-21 17 Riverside Joshua Tree Nat'l Mon. 1 mi. S of Jumbo Rocks Campground at old ground observation post 1372 Comment
  UC399603  Cheilanthes covillei I. M. Johnston 1917-4-4 1113 Riverside Palm Canyon 762 Comment
  UC667375  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-4 2119 Riverside Barker Dam; Joshua Tree Nat'l Monument 1322 Comment
  UCR96421  Cheilanthes covillei Scott D. White 1996-8-15 4460 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR12627  Cheilanthes newberryi I. G. Rauch 1968-3-6 s.n. Riverside Box Springs Mountains 488 Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  CAS-BOT-BC68095  Cheilanthes parryi Elizabeth Parsons Hawver 1917-3-25 s.n. Riverside Palm Springs Comment
  JEPS35126  Cheilanthes parryi S. B. and W. F. Parish April, 1882 504 Riverside Agua Caliente Colorado Desert (Mts bordering the Colorado Desert) Comment
  POM9748  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  UCR266361  Chenopodium D. E. Bramlet 2005-5-3 3840 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, north of Stetson Ave. and west of Warren Rd. 457 Comment
  RSA709239  Chenopodium album var. album A. C. Sanders, Mitch Provance, T. B. Salvato, B. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  UCR20857  Chenopodium berlandieri A. C. Sanders 1978-8-27 00277 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  RSA676093  Chenopodium murale Scott D. White 2001-4-12 8316 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UC447179  Chenopodium murale J. Ewan 1931-4-3 4127 Riverside Wiley Well Colorado Desert Comment
  UC665901  Chenopodium murale Ira L. Wiggins 1941-3-24 9584 Riverside along roadside 1 mi n Imperial County Line (e side of sea); Salton Sea Comment
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Feb 20 2013
  UCR148322  Chenopodium murale John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM13252  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside Banning. Base of McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  JOTR35321  Chorizanthe brevicornu var. brevicornu Harding, Mitzi, Mark Wheeler 2012-2-28 89 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA25154  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring. Comment
  RSA392612  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-19 1978 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  UC68578  Chorizanthe brevicornu var. brevicornu H. M. Hall May, 1905 6029 Riverside near Pinto Mountains; Colorado Desert, near Pinto Mountains Comment
  UCR121070  Chorizanthe coriacea D. E. Bramlet 1989-4-6 1812 A Riverside Perris-Aguanga Basin, Lake Skinner area, upland between Rawson Canyon and Tucalota Creek 457 Comment
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Sep 17 2011
  JEPS57630  Chorizanthe corrugata W. L. Jepson 1927-4-12 11667 Riverside Painted Canyon, Mecca Hills. Comment
  POM172730  Chorizanthe corrugata M. French Gilman 1930-4-27 s.n. Riverside Dos Palmos, east of Mecca. Comment
  RSA65184  Chorizanthe corrugata F. W. Peirson 1926-2-22 6509 Riverside Thousand-Palms Canyon. 152 Comment
  SBBG27953  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside near fork of Painted Cyn near Mecca Comment
  UC279686  Chorizanthe corrugata Edmund C. Jaeger 1926-2-28 Riverside Dos Palmas near Mecca; Colorado Desert, Dos Palmas near Mecca Comment
  RSA525274  Chorizanthe fimbriata Steve Boyd, Laurel Artnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4588 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA526140  Chorizanthe fimbriata Steve Boyd, Laurel Artnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4569 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR55274  Chorizanthe fimbriata Kathy Harper 1988-7-16 s.n. Riverside Peninsular Range, Cleveland National Forest, on Hwy 74 near El Cariso, SE of Hwy Comment
  CAS-BOT-BC191255  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Bachelor Mtn.: Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  HSC85276  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  UCR15524  Chorizanthe fimbriata var. fimbriata Robin L. Kobaly, G. K. Helmkamp, N. Burchett 1978-6-1 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, south of Murrieta Comment
  UCR5916  Chorizanthe fimbriata var. fimbriata Dick Bernier 1966-5-12 s.n. Riverside Perris-Aguanga Basin Region, Paloma Valley near Bell Mtn., along Hwy 395 [215], c. 5 miles south of Hwy 74 turnoff to Hemet 457 Comment
  CLARK-A1528-3602  Chorizanthe parryi John C. Roos 1950-5-27 4819 Riverside Reche Canyon 761 Comment
  UCR217504  Chorizanthe parryi var. parryi Jeff B. Galvin, Diane Menuz 2008-4-20 15 Riverside Perris-Aguanga Basin, Lake Skinner area, east of Rawson Cyn and north of Black Mtn 650 Comment
  UCR275198  Chorizanthe parryi var. parryi T. B. Salvato, Gregg Miller 2005-6-7 1452 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  RSA0096812  Chorizanthe xanti var. leucotheca Duncan S. Bell, Joy England 2015-4-14 8054 Riverside North side of the San Jacinto Mountains; at the mouth of Snow Canyon, approximately 0.5 air mile northeast of the community of Snow Creek. 361 Comment
  SD178200  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3453 Riverside Base of San Jacinto Mtns on spoil pile. 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct. 534 Comment
  UC1595799  Chylismia brevipes W. Wisura, J. Dolan, M. Wall 1992-3-24 4635 Riverside on Box Canyon Rd 13.1 mi ne Mecca; Lowdesert Comment
  JOTR33760  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2758 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  UCD103919  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA0051555  Cirsium acaulescens Nancy Anderson 1955-5-22 s.n. Riverside Hemet Meadow. 1371 Comment
  POM19635  Cirsium occidentale var. californicum Mary F. Spencer 1923-7-20 2210 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR161401  Cirsium occidentale var. californicum A. C. Sanders, Mike Misenhelter 2005-9-20 31673 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UC1930022  Cirsium scariosum Scott D. White, Justin Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  RSA0012652  Cirsium scariosum var. citrinum LeRoy Gross, Caitlin Elam 2013-5-14 6079 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
  RSA501025  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3146 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA65417  Cistanthe monandra F. W. Peirson 1924-7-29 5028 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UCR120323  Cistus creticus Mitch Provance 1998-7-23 910 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  CAS-BOT-BC172108  Clarkia dudleyana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCR1639  Clarkia dudleyana R. G. Barber 1962-5-12 98 Riverside Box Springs Mtns., top of Box Spring Mountain, near (south of) the main gorge [Big Springs Canyon] on the W side of the mountain 915 Comment
  UCR233281  Clarkia dudleyana T. B. Salvato, Richard Camacho 2011-6-12 5491 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
  CAS-BOT-BC171997  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Temescal Canyon, terrace escarpment E side of Indian Wash, S of 1-15 Comment
  UCR139193  Clarkia epilobioides Virginia Moran 2003-4-9 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 427 Comment
  POM13122  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1922-5-19 5333 Riverside 5 miles NE of Murietta. 488 Comment
  SBBG128624  Clarkia purpurea subsp. quadrivulnera S. R. Hill, A. C. Sanders 2001-5-4 33701 Riverside Temecula, along new gas line right-of-way, N of Del Ray Rd near jct with Calle Pina Colada 381 Comment
  UCR268275  Clarkia rhomboidea Jim Andre 2012-6-15 30537 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  SEINET10632450  Clarkia rhomboidea Joseph A. Ewan 1929-6-16 Ewan 3575 Riverside Moist sandy soil under pines. Alt. 5200 feet. Strawberry Valley. 1585 Comment
  CAS-BOT-BC165496  Clarkia unguiculata E. H. Daniels; J. Bates 1932-5-28 s.n. Riverside Near Idyllwild, San Jacinto Mountains 1524 Comment
  SD241155  Claytonia parviflora A. C. Sanders 2010-4-23 37992 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Road at intersection with Murrieta Road (Romoland 7.5'Q) 518 Comment
  RSA708074  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  SDSU9789  Claytonia parviflora subsp. parviflora D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  HSC17685  Claytonia perfoliata subsp. mexicana C. L. Hitchcock, C. V. Muhlick 1964-3-17 23074 Riverside 8 mi. SE of Corona, along road to 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
  RSA0030787  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  POM128498  Collinsia heterophylla Thomas Craig 1927-4-23 209 Riverside Glen Ivy. Comment
  UC1523679  Collinsia heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau, Cleveland National forest Cleveland National forest; Santa Rosa Plateau, Cleveland National forest 609 Comment
  UCD123600  Collinsia heterophylla Geoffrey Levin 1975-4-26 492 Riverside Mahew Canyon, 1.5 miles southeast of Glen Ivy on Highway 71, 335 Comment
  UCR25368  Collinsia heterophylla John C. Roos 1952-4-13 5530 Riverside Riverside, Box Springs Mountains 488 Comment
  RSA0117391  Collinsia parryi N. C. Cooper 1947-4-5 2047 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA774480  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside NW of the Blythe airport and in the washes eas of the McCoy mountains. Comment
  SBBG104074  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside within 0.5 mi of McCoy Spring, to the S above the spring and above for, ca. 200 m 243 Comment
  SD244144  Convolvulus simulans T. B. Salvato, Mike Landers 2013-3-21 7385 A Riverside Perris-Aguanga Basin: Murrieta, between Hwy 215 and State Route 79 (Winchester Road), 0.23 mile east of the intersection of Keller Road and Menifee Road (Romoland 7.5'Q) 466 Comment
  UCR37486  Conyza bonariensis Steve Boyd 1981-3-2 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  RSA702048  Conyza canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  CAS-BOT-BC168173  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
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Jul 9 2019
  UCR110416  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  POM31848  Coreopsis californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA783051  Corethrogyne filaginifolia J. D. Olmsted 1959-8-18 795 Riverside By archery range at Desert Sun school near Idyllwild at border of P. pondorosa woodland 1646 Comment
  SBBG45042  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 6962 Riverside N fork of San Jacinto River 1500 Comment
Read comments
Dec 14 2011
  POM47977  Cornus nuttallii P. A. Munz, I. M. Johnston 1924-7-27 8752 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  UCR35136  Cornus nuttallii L. B. Ziegler 1968-5-23 303 Riverside San Jacinto Mtns, North Fork of San Jacinto River (Dark Canyon). 1829 Comment
  CAS-BOT-BC291360  Cotula coronopifolia A. J. McC. 1892-1-1 s.n. Riverside Elsinore Comment
  UCR182431  Cotula coronopifolia Mitch Provance 2005-5-17 6590 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
  CAS-BOT-BC427596  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  RSA234021  Crassula aquatica R. F. Thorne, E. W. Lathrop 1969-5-19 37953 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  CAS-BOT-BC427780  Crassula connata A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19865 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  SDSU13920  Crassula connata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2136 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR230201  Crassula connata A. C. Sanders 2011-4-6 38993 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CAS-BOT-BC226939  Cressa truxillensis A. C. Sanders; John F. Green 2012-5-27 40204 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA79180  Crossosoma bigelovii P. A. Munz, P. C. Everett 1952-5-2 16235 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR226303  Crossosoma bigelovii Jim Andre 2011-2-18 15824 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  LA204878  Croton californicus Miss Halflaud; March 1925 6491 Riverside Palm Springs Comment
  OBI14419  Croton californicus Lewis S. Rose 1966-12-11 66097 Riverside Palm Springs 152 Comment
  RSA70555  Croton californicus F. W. Peirson 1932-11-26 9661 Riverside Thousand Palms. 122 Comment
  UCR114846  Croton californicus Mitch Provance 1998-2-17 55 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  UCR150027  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR163797  Croton californicus John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  UCR237692  Croton californicus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4604 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  CAS-BOT-BC133959  Cryptantha J. H. Thomas 1949-2-28 55 a Riverside About 6.5 miles south-east of Banning between Banning and Palm Springs Comment
  UCR193481  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35575 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  RSA14032  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-14 4875 Riverside Indian Wells 107 Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  SDSU18676 SDSU18676
Image available
Cryptantha angustifolia Kristen Hasenstab, M. G. Simpson 2008-4-1 44 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. 592 Comment
  UC100903  Cryptantha angustifolia A. V. Stubenranch 1905-4-10 Riverside Mecca Colorado Desert Comment
  UCD119593  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas. 15 Comment
  UCR166853  Cryptantha angustifolia 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
  CDA40487  Cryptantha barbigera T. C. Fuller 1962-4-3 7986 Riverside West of Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms, head of Coachella Valley. 0 Comment
  CDA40488  Cryptantha barbigera T. C. Fuller 1962-4-4 7990 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  POM14164  Cryptantha barbigera P. A. Munz, D. D. Keck 1922-4-9 4793 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  SJSU125  Cryptantha barbigera C. D. Duncan 1933-3-24 Riverside Palm Springs Comment
  UCR183171  Cryptantha barbigera Mitch Provance 2003-5-5 4418 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  JOTR33979  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding 2010-4-7 2867 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
  UCR228427  Cryptantha barbigera var. barbigera Dave Silverman 2010-3-30 7883 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  RSA155549  Cryptantha costata L. S. Rose 1962-3-2 62002 Riverside La Quinta. 3 Comment
  UCR20839  Cryptantha costata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1304 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
  RSA0079100  Cryptantha cycloptera Steve Boyd, Orlando Mistretta 1986-3-13 1449 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SEINET4565900  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Sonoran (Colorado) Desert; Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  UCR200397  Cryptantha dumetorum Tasha La Doux, Jim Andre 2008-3-21 149 Riverside Eastern Mojave Desert, Joshua Tree National Park, Lower Wilson Wash along NE side of paved road 853 Comment
  CAS-BOT-BC218762  Cryptantha holoptera Catherine A. Toschi 1963-4-10 63 :120 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  RSA0108939  Cryptantha inaequata Duncan S. Bell, Amanda Bell 2012-1-28 3071 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  CLARK-A1656-766  Cryptantha intermedia Theo Glenn 1982-3-24 Riverside San Jacinto Mountains Comment
  CSUSB1180  Cryptantha intermedia Ed West 1972-4-27 9 Riverside Box Springs Mountains Box Springs Mountains, 200 yards west of the micro-wave tower above the "C." 609 Comment
  HSC79849  Cryptantha intermedia James Henrickson 1973-3-18 8603 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  JEPS67664  Cryptantha intermedia W. L. Jepson 1903-8-5 2267 Riverside near Strawberry Valley; Mt. San Jacinto 1767 Comment
  RSA12910  Cryptantha intermedia C. B. Wolf 1935-4-7 6300 Riverside 2 mi. SW of Perris. 427 Comment
  UC1535401  Cryptantha intermedia A. C. Sanders and B. Pitzer 1986-4-30 6491 Riverside 1.7 mi above mouth of Bee Canyon (at the San Jacinto River valley, head of Bee Canyon along Bee Canyon Road); San Jacinto Mountains, San Jacinto River Valley, Bee Canyon 792 Comment
  UCR128917  Cryptantha intermedia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23902 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
  UCR241692  Cryptantha intermedia T. B. Salvato 2013-3-22 7400 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR250557  Cryptantha intermedia A. C. Sanders 2014-4-9 41002 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCR25980  Cryptantha intermedia John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  UCR44201  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  GMDRC6540  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 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
  POM147640  Cryptantha maritima F. M. Reed 1927-3-19 5434 Riverside Dos Palmas Springs north of Salton Sea Comment
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Apr 6 2011
  RSA681028  Cryptantha maritima Scott D. White, Michael Honer 2003-5-14 9281 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  UCR214429  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37496 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  SEINET10456346  Cryptantha maritima David B. Dunn 1948-2-21 Dunn 3676 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  SEINET3105257  Cryptantha micrantha Faulkner 1978-3-30 410 Riverside 1 mile N. of Riverside Mtns., bench area, 4 miles South of Vidal. 146 Comment
  UC1063825  Cryptantha micrantha H. S. Yates 1937-3-23 6400 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC573635  Cryptantha micrantha H. S. Yates 1937-3-23 5394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  CAS-BOT-BC520377  Cryptantha micrantha var. lepida Steve Boyd; Gary Wallace 2005-7-30 11639 Riverside Peninsular Ranges, San Jacinto Mountains region: San Jacinto Mtns State Park, Hidden Lake area, NE of Hidden Divide, SE of Long Valley, near head of Hidden Fork of Tahquitz Creek 2682 Comment
  POM12804  Cryptantha micrantha var. lepida P. A. Munz 1922-6-26 5839 Riverside Santa Rosa Mtns. Santa Rosa [peak?] 1982 Comment
  RSA779621  Cryptantha micrantha var. micrantha Duncan S. Bell 2010-4-1 657 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR89844  Cryptantha microstachys Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3312 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SEINET3145436  Cryptantha muricata R. W. Spellenberg, N. Zucker 2001-3-27 13186 Riverside Desert Hot Springs. Indian Ave., 0.5 km S of jxn w/ Calif. Hwy 62 540 Comment
  SD4237  Cryptantha muricata var. jonesii Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountain: Idyllwild Comment
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  JOTR35042  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3495 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  VVC2474  Cryptantha nevadensis var. nevadensis Tim Thomas 2013-3-18 5933 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCD119980  Cryptantha nevadensis var. rigida Elizabeth Milauskas 1994-5-7 9 Riverside Agua Caliente Indian Reservation near Palm Springs, 4 blocks west of Via Monte Vista near Dam. 161 Comment
  HSC3620  Cryptantha pterocarya C. L. Hitchcock, C. V. Muhlick 1964-3-22 23251 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SDSU18703  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 62 Riverside Joshua Tree National Park. Hidden Valley, 0.22 miles west of the Hidden Valley Picnic area, west of the Hidden Valley Nature Loop Trail. Underneath Salizarea mexicana, amongst large boulders. 1294 Comment
  UCR88427  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose 1995-4-5 16350 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR157741  Cryptantha pterocarya var. purpusii A. C. Sanders 1986-6-1 6536 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA0079493  Cryptantha pterocarya var. stenoloba Duncan S. Bell 2009-3-9 113 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
  JOTR35146  Cryptantha racemosa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3258 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  JOTR30312  Cryptantha utahensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1749 Riverside Joshua Tree National Park. Stop 3: Northwest end of Eagle Mountains, near road to Cottonwood Canyon. 898 Comment
  RSA80960  Cryptantha utahensis G. R. Campbell 1952-4-6 18409 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 975 Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  CLARK-A1528-1171  Cucurbita palmata John C. Roos 1948-5-15 3830 Riverside Eagle Mountains Comment
  JOTR35004  Cucurbita palmata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3106 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA264579  Cucurbita palmata C. W. Tilforth, John Dourley, W. Wisura 1977-5-19 s.n. Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  RSA614098  Cucurbita palmata A. C. Sanders, T. Tennant 1997-11-14 21600 Riverside San Bernardino Mtns: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  RSA488714  Cuscuta californica James L. Reveal 1972-8-9 2867 Riverside along California Highway 243, 6.5 miles northwest of the Alandale Ranger Station, about 0.5 miles south of Bay Tree Spring near the trail to Black Mountain. Comment
  CAS-BOT-BC224607  Cuscuta californica var. papillosa Milo S. Baker 1928-4-3 2796 a Riverside Palm Canon [Canyon] Comment
  UC23234  Cuscuta californica var. papillosa S. B. Parish Apr 4 1896-Apr 13 1896 4130 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt. 152 Comment
  UCR229488  Cuscuta salina Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  SEINET3272855  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2012-11-16 17636 .5 Riverside Aguanga 7.5' USGS topographic quadrangle Zone; 2.1 km east-northeast of the summit of Billy Goat Mountain, 5 km north-northeast of Aguanga, 75 km southeast of Riverside. 867 Comment
  SEINET5624443 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .1 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET5624468 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .7 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  POM12621  Cylindropuntia echinocarpa M. French Gilman 1922-4-9 s.n. Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  SEINET9037755 Image available Cylindropuntia ganderi var. ganderi M. A. Baker 2015-1 18385 .1 Riverside San Jacinto Mountains, 25km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain 1238 Comment
  RSA708075  Cynodon dactylon Scott D. White, Angelia Carey 2004-4-16 10167 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA770305  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4490 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 W116.64311 487 Comment
  SEINET10468127  Cynodon dactylon David B. Dunn 1946-3-15 Dunn 2017 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UC1584121  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside Santa Ana River just downstream of old city dump at w. extension of Rubidoux Ave. Riverside; Santa Ana River, Riverside Comment
  UCR47859  Cyperus eragrostis S. J. Myers 1987-6-24 s.n. Riverside Peninsular Range, Murrieta Creek, at confluence with Temecula Creek, near the town of Murrieta 290 Comment
  CAS-BOT-BC114416  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Common in mud at edge of lake, Fairmount Park. 259 Comment
  RSA653581  Cyperus erythrorhizos A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23179 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. 433 Comment
  CAS-BOT-BC114261  Cyperus esculentus Scott D. White; Steve Ogg 1994-10-17 2469 Riverside Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979) 310 Comment
  SD224786  Cyperus involucratus A. C. Sanders, G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn. In vicinity of the debris basin above the W end of Sunny Dunes Rd. 185 Comment
  SDSU14295  Cyperus involucratus Robin P. Silverstein, Taxonomy of CA Plants class, M. G. Simpson, instructor 2000-4-1 6 Riverside Santa Margarita Ecological Reserve. Next to concrete drainage, under telephone wire, east bank of river, 1/10 of a mile south of northside Field Station. 244 Comment
  UCR125280  Cyperus odoratus A. C. Sanders 2002-11-21 25652 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR188896  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6589 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SEINET13203147 Image available Cyperus squarrosus T. B. Salvato, Melissa Clemons 2005-1 1420 Riverside Peninsular Range: Gavilan Hills, c. 0.75 mile south-southeast of Stelle Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore (Lake Elsinore 7.5' Q.) 579 Comment
  UC724223  Dalea mollis Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  UCR254628  Dalea mollis Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24392 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR41745  Dalea mollissima A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6067 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  RSA774925  Dasyochloa pulchella Duncan S. Bell 2011-4-7 2167 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UCD65759  Dasyochloa pulchella F. M. Reed 1927-3-19 5438 Riverside near Riverside, Salt Creek Wash, upper fork. Comment
  POM6767  Datisca glomerata P. A. Munz 1919-5-9 2730 Riverside Tahquitz Canyon 229 Comment
  RSA717450  Datura discolor Scott D. White, Pam De Vries 2006-3-14 11262 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA0022207  Datura discolor D. W. Stevens 1978-4-8 949 Riverside ~5 mi SW of Blythe. Devers-Palo Verde T/L corridor. Comment
  RSA0084821  Datura quercifolia A. C. Sanders, C. L. Sanders, O. F. Clarke 1996-10-23 19644 Riverside Riverside: O. F. Clarke residence, 1012 Spruce St. 305 Comment
  JOTR35005  Datura wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3107 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA500208  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3535 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR87610  Daucus pusillus A. C. Sanders 1994-5-30 14599 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
Read comments
Apr 16 2011
  CAS-BOT-BC294109  Deinandra kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside San Timoteo Canyon Road, .8 mi. E of junction with Redlands Blvd. Comment
  UC1929633  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region; McCall Memorial Park Campground. 1311 Comment
  SD181704  Deinandra paniculata Scott D. White 1998-10-9 7170 Riverside Corona, near Bedford Canyon; site adjacent to housing tracts now under construction and proposed for same. 334 Comment
  UC1746490  Deinandra paniculata Mitch Provance 2000-9-1 2232 Riverside 1/2 mi SW of peak 1538 Pyrite Canyon; Jurupa Mtns. 304 Comment
  UC1787280  Deinandra paniculata A. C. Sanders, T. B. Salvato 2001-5-25 24380 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200 east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  RSA343878  Delphinium parryi Robert F. Thorne 1985-5-18 60668 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UCR133422  Delphinium parryi Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 211 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  GMDRC6553  Dendromecon rigida J. M. Andre 2012-6-15 30506 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
  UCR176929  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-4-30 MOR- 70 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  RSA557346  Deschampsia danthonioides Julie Greene 1993-5-12 1305 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  UCR201675  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR213838  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR85536  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  POM369432  Descurainia pinnata P. A. Munz 1932-3-14 11989 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  SEINET3507676 Image available Descurainia pinnata C. F. Shutts 1949-3-19 52 Riverside White Tank Joshua Tree Natl. Mon. Comment
  JOTR16637  Descurainia pinnata subsp. glabra Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. WHITE TANK 975 Comment
  UCR35066  Dicentra chrysantha L. B. Ziegler 1968-6-26 324 Riverside San Jacinto Mtns, N slope of Thomas Mtn 1555 Comment
  HSC82902  Dichelostemma capitatum subsp. capitatum B. Pitzer 1986-2-22 18 Riverside Whitewater Canyon 0.5 mi. N of Fish Hatchery, San Bernardino Mtns., 5 mi. N of Hwy. 10 on Whitewater Canyon Rd. 732 Comment
  IRVC53  Dichelostemma capitatum subsp. capitatum Linda Stilgenbauer 1965-4-17 HS 0097 Riverside Ortega Hwy [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA525275  Dichelostemma capitatum subsp. capitatum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4589 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake 579 Comment
  OBI26119  Dicoria canescens David J. Keil 1976-12-12 11928 Riverside along I-10, 37 mi E of Chiriaco Summit Comment
  RSA709117  Dicoria canescens Scott D. White, Justin M. Wood 2005-10-4 11237 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  OBI36067  Dieteria canescens var. ziegleri J. Derby, T. Krantz 1977-10-1 s.n. Riverside Santa rosa Mt., along road to Santa Rosa summit 2073 Comment
  UCR92349  Digitaria sanguinalis Scott D. White, S. Ogg 1994-10-17 2499 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  CAS-BOT-BC150875  Diplacus puniceus C. F. B. 1904-4-4 4152 Riverside Elsinore Comment
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Sep 3 2017
  CHSC60201  Distichlis spicata J. Lund 1980-4-2 Riverside The corner of 66th. Ave and Fillmore are 3.0 miles east of Meca. 45 Comment
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May 29 2011
  CLARK-A1656-860  Distichlis spicata subsp. spicata Jon Mark Stewart 1983-10-10 Riverside Indio Hills 121 Comment
  UCR104602  Ditaxis californica James C. Dice, C. Barrows, K. Nicol, I. Eleck 1997-11-6 97116 - Riverside Coachella Valley, La Quinta, just west of Avenida Montezuma and Calle Nogales, E foot of Indio Mtn. 61 Comment
  JOTR38677  Ditaxis lanceolata Hodges, Stephen R. 2017-2-2 684 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  LA204864  Ditaxis lanceolata F. M. Scott; 1928-3-24 sn Riverside Painted Canyon, Colorado Desert Comment
  RSA421607  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  JOTR29562  Ditaxis neomexicana Andre, Jim, Tasha LaDoux 2006-4-11 6736 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA0021557  Ditaxis neomexicana Duncan S. Bell, Aaron Sims 2012-3-10 2044 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  RSA550336  Dithyrea californica W. Wisura, John Dolan, M. Wall 1992-3-25 4652 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  RSA768412  Dithyrea californica J. Andre, T. La Doux 2009-2-25 10823 Riverside Palen Dry Lake: southeast margin of dry lake, approx. 6 miles north of I-10 freeway, about 15 miles east of Desert Center 129 Comment
  RSA778622  Dithyrea californica Duncan S. Bell 2009-3-8 63 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
  UCR33814  Dithyrea californica Faulkner 1978-3-20 331 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  POM95407  Dithyrea californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA753813A  Dodecahema leptoceras D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  RSA192056  Dodecatheon clevelandii E. W. Lathrop 1960-3-11 4653 Riverside 5 miles west of Murrieta. Comment
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Apr 28 2011
  UCR20796  Downingia bella A. C. Sanders 1980-5-17 1468 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  PASA303  Downingia immaculata Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 380 Comment
  RSA697425  Draba corrugata J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
  RSA775294  Draba cuneifolia Duncan S. Bell, The Habitat Work Organization 2011-3-19 2063 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  RSA673722  Draba verna Scott D. White 2000-4-12 7649 Riverside Highway 74; roadside near Lake Hemet. 1311 Comment
  CAS-BOT-BC535006  Drymocallis glandulosa var. reflexa C. B. Wolf 1931-5-11 1961 Riverside San Jacinto Mts. near Pipe Creek above Hemet Valley, Upper Sonoran 1676 Comment
  HSC35460  Dryopteris arguta J. D. Ackerman, A. M. Montalvo 1975-6-26 526 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  IRVC144  Dryopteris arguta Ken Ellis 1965-4-24 HS 529 Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  RSA304575  Dudleya abramsii A. C. Sanders 1981-7-11 2205 Riverside Bull Canyon Road just inside the Forest Service boundary. Comment
  UC2059985  Dudleya abramsii K. Nakai 1981-1-22 703 Riverside San Bernardino Mountains, N shore of Lake Baldwin, 1.4 mi E of junction of Highway 18 & 38 on Highway 18. Comment
  UC1929642  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 B Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  UC2059984  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi W of Highway I-15 . Comment
  UC101033  Dudleya saxosa H. M. Hall 1901-7-1 2095 Riverside s side San Jacinto Mtns 1584 Comment
  CAS-BOT-BC109605  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater. 457 Comment
  UC64466  Echinocereus engelmannii subsp. engelmannii H. M. Hall 1897-4-17 452 Riverside White-water Comment
  RSA741558  Echinochloa colona Justin M. Wood 2008-9-30 174 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM318594  Eclipta prostrata Patricia Wilder 1970-10-15 4774 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  SD146025  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23117 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spring 433 Comment
  CHSC23211  Elatine californica Robert F. Thorne; E. Lathrop et al. 1967-5-19 37967 Riverside Santa Rosa Plateau. Mesa de Colorado, Rancho California. 624 Comment
  RSA13254  Elatine gracilis P. A. Munz 1922-7-4 5969 Riverside Hemet Valley, San Jacinto Mts.; 3 miles below Kenworthy. 1372 Comment
  RSA726859  Eleocharis parishii Steve Boyd, Aydee Virgen 2004-4-13 10880 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SD187302  Eleocharis parishii Scott D. White, Angelia Carey 2004-5-7 10323 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA78221  Eleusine indica J. C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside. 259 Comment
  SEINET3928897  Eleusine tristachya J. T. Columbus, S. Boyd 2003-8-16 4464 Riverside Valle Vista (just E of Hemet), along Fairview Ave. 0.9 rd. mi. S of jct. with Stetson Ave, E. side of road.; 0 600 Comment
  SD137953  Elymus X gouldii Darin L. Banks, Steve Boyd 1995-10-17 779 Riverside 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
  UC38181  Elymus elymoides subsp. elymoides H. M. Hall August 1901 2601 Riverside Tamarack Valley San Jacinto Mountains 2529 Comment
  UC472733  Elymus elymoides subsp. elymoides A. S. Hitchcock 1921-6-15 Riverside Idyllwild San Jacinto Mt. Comment
  JEPS1577  Emmenanthe penduliflora L. M. Newlon 1922-4-4 445 Riverside Andreas Canyon; San Jacinto Mts. Comment
  UC809725  Emmenanthe penduliflora Philip A. Munz 1949-4-13 13055 Riverside Slope above Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  POM97137  Emmenanthe penduliflora P. A. Munz 1925-5-20 9834 Riverside 2 miles W of Dripping Spring. 427 Comment
  JOTR30211  Emmenanthe penduliflora var. penduliflora Leary, Pat 1974-3-17 334 Riverside In wash area 0.5 mi West of junction of U.S. 60 and CA State Hwy 195 near southern end of Joshua Tree National Monument; T6S R11E sec 14. NOT IN JOSHUA TREE NATIONAL PARK. 472 Comment
  UCR260542  Emmenanthe penduliflora var. penduliflora T. B. Salvato 2014-5-29 8027 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  CAS-BOT-BC131169  Encelia actoni Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  JOTR31160  Encelia actoni La Doux, Tasha 2009-6-3 1868 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  UCD131193  Encelia actoni William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR92267  Encelia actoni Scott D. White 1995-8-23 3561 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC1536837  Encelia californica G. H. True Jr. 1935-3-13 96 Riverside Box Springs 365 Comment
  UCR120204  Encelia californica Mitch Provance 1998-3-5 196 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CAS-BOT-BC131342  Encelia farinosa Ira L. Wiggins 1941-3-24 9577 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  SD173220  Encelia farinosa Melvin M. Sweet 2005-4-14 126 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  UC31400  Encelia farinosa C. R. Orcutt 1882-5-10 Riverside Box Springs Comment
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Jun 8 2012
  UCD131212  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR101567  Encelia farinosa Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR167364  Encelia farinosa 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
  POM656671  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-9 3324 Riverside Blythe. 81 Comment
  SEINET3004980  Encelia farinosa var. phenicodonta G. Rink, M. Baker 2011-4-1 10407 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  SD260138  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mountains: Hwy 74 near Agave Hill 0.3 km SW (249a^z) ov VABM Lucky, 1.6 km NE (37a^z) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs. (Rancho Mirage 7.5'Q) 801 Comment
  PASA1843  Ephedra californica R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA383881  Ephedra californica N. C. Cooper 1944-3-25 1040 Riverside Morongo Pass. 457 Comment
  UC299126  Ephedra californica Frank A. Thackery 1927-3-1 Riverside near Garnet 304 Comment
  CAS-BOT-BC81684  Ephedra fasciculata Ira L. Wiggins 1937-3-9 8746 Riverside Chuckawalla Spring, Chuckawalla Mts. 528 Comment
  RSA0125288  Ephedra nevadensis Duncan S. Bell 2016-3-4 8793 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
  SBBG29377  Ephedra nevadensis D. Myrick 1968-3-4 1803 Riverside Desert Hot Springs 304 Comment
  UCR193260  Epilobium A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35617 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  UCR252213  Epilobium canum J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCR5606  Epilobium canum subsp. latifolium O. F. Clarke 1966-10-5 661005- 34 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  UCR39542  Epilobium ciliatum A. C. Sanders 1980-8-23 1748 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM48407  Epilobium ciliatum subsp. glandulosum P. A. Munz, I. M. Johnston 1924-7-28 8811 Riverside Pine Flats 1738 Comment
  POM9736  Equisetum hyemale var. affine E. C. Jaeger 1921-6-18 s.n. Riverside Tahquitz Creek. San Jacinto Mountains 2134 Comment
  POM11835  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5515 Riverside Kenworthy, San Jacinto Mountains 1524 Comment
  RSA592064  Equisetum laevigatum R. E. Riefner 1996-6-20 96 -121 Riverside Pala Road along Temecula Creek Comment
  SEINET13709263  Equisetum telmateia J. Adams, J. Adams (Botany) 1966-1 744 Riverside Santa Rosa Plateau, on Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  UCD62922  Eragrostis barrelieri Beecher Crampton 1964-6-19 7012 Riverside UC - Riverside experimental grounds; plant introduction nursery. Comment
  JOTR29223  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1336 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  JOTR30296  Eragrostis cilianensis La Doux, Tasha, Jim Andre 2007-9-6 130 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA598034  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside Terraces Ranch [on Chicago Ave. near Tequesquite Arroyo] 244 Comment
  UCR24517  Eragrostis mexicana subsp. virescens Alfred R. Roos 1937-8-17 10609 Riverside San Jacinto Comment
  UCR108723  Eremalche exilis Scott D. White, Pam DeVries 1998-3-3 6089 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  CAS-BOT-BC160066  Eremothera boothii subsp. condensata L. R. Abrams 1926-3-26 11085 Riverside Between Palm Springs and Indian Wells Comment
  JEPS31677  Eremothera boothii subsp. desertorum Samuel B. Parish Mar 1882 Riverside Whitewater Colorado Desert Comment
  UC217952  Eremothera chamaenerioides P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4853 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  RSA0031613  Eremothera refracta Jim Andre 2013-3-27 24819 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  JOTR16796  Eriastrum densifolium subsp. elongatum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  SEINET3245748  Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-1 460 Riverside Sonoran (Colorado) Desert: Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd. near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5') 123 Comment
  JOTR32480  Eriastrum eremicum subsp. eremicum Herskovits, Tasya 2011-5-25 16 Riverside Joshua Tree National Park. Cottonwood Mountains; Large, sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UCD118317  Eriastrum sapphirinum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA0121559  Eriastrum sapphirinum subsp. dasyanthum Scott D. White 1997-5-25 5231 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  RSA0121588  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2000-5-25 23398 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  UC479194  Ericameria cooperi var. cooperi Marcus E. Jones 1931-5-17 28970 Riverside Keyes Ranch Comment
  RSA489839  Ericameria cuneata D. Charlton 1988-5-28 2137 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  LA203664  Ericameria cuneata var. spathulata Carl Epling; 1937-11-26 sn Riverside White Tank, 29 Palms Comment
  UCR174948  Ericameria linearifolia Jennifer H. Jones, Toby Bartels 2006-4-23 274 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  RSA0099990  Ericameria nauseosa var. bernardina Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8579 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA180299  Ericameria palmeri var. pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles W of Murrieta. 610 Comment
  UCR100373  Ericameria palmeri var. pachylepis A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21616 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  RSA545219  Ericameria paniculata R. F. Thorne 1970-10 41880 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UC894832  Ericameria paniculata Carl B. Wolf 1932-10-11 Riverside at San Bernardino Co. line Morongo Wash; Colorado Desert, Little San Bernardino Mts., Morongo Wash 731 Comment
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Feb 10 2013
  POM12781  Erigeron divergens P. A. Munz 1922-6-24 5797 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  POM13575  Erigeron divergens P. A. Munz, D. D. Keck 1922-4-13 4924 Riverside Hayfields,' Chuckwalla Valley 152 Comment
  RSA19448  Erigeron foliosus I. W. Clokey 1935-8-21 6961 Riverside E of Keen Post Office 1350 Comment
  UCSB15235  Erigeron foliosus Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  JOTR33936  Erigeron foliosus var. foliosus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2826 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCSB51409  Eriochloa aristata Roos, John 1965-9-26 Riverside Indio Comment
  POM8683  Eriodictyon crassifolium P. A. Munz, R. D. Harwood 1920-2-28 3262 Riverside 2 mi. southeast of Corona, 305 Comment
  UCR270758  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8344 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  HSC80074  Eriogonum apiculatum Dave Goodward 1985-9-29 Riverside San Jacinto Mtns. edge of Soboba Burn, rim of Hall Canyon above UC James Reserve 1677 Comment
  SD115753  Eriogonum apiculatum Reid Moran 1973-7-28 21108 Riverside bare area at summit of Toro Peak, Santa Rosa Mts. 2500 Comment
  UCR94612  Eriogonum cithariforme var. agninum G. R. Ballmer, Kay Stockwell 1995-6-24 s.n. Riverside San Jacinto Mountains, along trail from Morris Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
  POM307285  Eriogonum davidsonii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2134 Riverside Santa Rosa Mountains. Comment
  RSA766422  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 999 Riverside San Jacinto Mtns. 1646 Comment
  UC6303  Eriogonum davidsonii H. M. Hall July, 1901 2624 Riverside vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA65122  Eriogonum deflexum var. deflexum F. W. Peirson 1928-11-30 8215 Riverside Near Cottonwood Spring, west end of Eagle Mountains. Comment
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Oct 9 2010
  SD229228  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-8-7 790 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA766511  Eriogonum fasciculatum var. flavoviride Lawrence Saylor 1935-3-24 207 Riverside Cottonwood Springs. Comment
  RSA192061  Eriogonum fasciculatum var. foliolosum E. W. Lathrop 1959-4-17 4480 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA650852  Eriogonum fasciculatum var. foliolosum William Wilson 1948-2-14 s.n. Riverside 11 miles SE Hemet. 549 Comment
  SD1336  Eriogonum fasciculatum var. foliolosum F. Woodstock 1926-3-15 Riverside Palm Springs Comment
  UC219156  Eriogonum fasciculatum var. foliolosum P. A. Munz, R. D. Harwood 1920-2-28 3257 Riverside 3 mi w Corona 335 Comment
  LA26727  Eriogonum fasciculatum var. polifolium H. Lewis; 1941-8-1 sn Riverside San Jacinto Mountains, Herkey Creek Camp Ground, near Keen Camp Comment
  POM6443  Eriogonum fasciculatum var. polifolium P. A. Munz 1919-5-7 2745 Riverside Palm Springs. 198 Comment
  RSA181273  Eriogonum fasciculatum var. polifolium John H. Thomas 1949-4-24 s.n. Riverside 2 miles east of Whitewater, between Banning and Indio. Comment
  RSA393343  Eriogonum fasciculatum var. polifolium H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. 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
  UC849417  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P.O. 1360 Comment
Read comments
Nov 20 2010
  UCR117099  Eriogonum fasciculatum var. polifolium A. C. Sanders, T. B. Salvato 2001-5-16 24303 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  CAS-BOT-BC253486  Eriogonum gracile Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR125213  Eriogonum gracile Mitch Provance 1998-5-5 521 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR242658  Eriogonum gracile A. C. Sanders 2013-7-7 40859 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  RSA192354  Eriogonum gracile var. gracile E. W. Lathrop 1966-5-23 6331 Riverside 6 miles NW of Murrieta. Comment
  RSA0104490  Eriogonum gracile var. incultum Duncan S. Bell 2015-9-30 8665 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCD100271  Eriogonum inflatum John Green; Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Beach, 1.5 mile transect along Coachella right-of-way, between siphons 25 and 26, NE of Hunters Spring, enar S base of Orocopia Mtns. 23 Comment
  SBBG64001  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  CAS-BOT-BC270600  Eriogonum molestum James L. Reveal; Caroline G. Reveal 1972-8-9 2865 Riverside Along California Highway 243, 1.6 miles northwest of Alandale Ranger Station about 7 miles north of Idyllwild, near Fuller Mill Creek, San Jacinto Mountains Comment
  RSA783743  Eriogonum nodosum J. D. Olmsted 1959-8-18 792 Riverside Desert Sun School near Idyllwild; M[iddle] Fork San Jacinto River. 1646 Comment
  OBI11013  Eriogonum nodosum var. jaegeri Robert F. Hoover 1966-10-15 10177 Riverside Bighorn Dr, San Jacinto Mts Comment
  RSA393042  Eriogonum palmerianum H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
  RSA770788  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4528 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA650353  Eriogonum reniforme William Gilbert 1969-5-24 s.n. Riverside Hwy. 74, Hwy. marker #88 13. Comment
  SEINET2444091  Eriogonum reniforme C. Davidson 2010-4-1 11643 Riverside Highway 168 to Joshua Tree National Park, ca 1 mile from 1-10. 515 Comment
  JEPS56310 Image available Eriogonum saxatile C. C. Parry and J. G. Lemmon 1876-4-18 361 Riverside Whitewater Colorado Desert, Whitewater Comment
  UC6442  Eriogonum saxatile H. M. Hall 1901-7-1 2324 Riverside near Tauquitz; San Jacinto Mountains 2590 Comment
  POM2313  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs. Comment
  RSA49363  Eriogonum thomasii P. A. Munz 1949-4-11 13002 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  UC218094  Eriogonum thomasii P. A. Munz, D. Keck 1922-4-9 4751 Riverside near Mecca (Shaver's Well); Shaver's Well 76 Comment
  UCR216496  Eriogonum thomasii Jim Andre, T. La Doux 2009-3-10 11237 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR2968  Eriogonum thomasii D. L. Flaherty 1963-4-11 131 Riverside Sonoran (Colorado) Desert, 10 miles east of Mecca on Highway 195 along side of road, Box Canyon 244 Comment
  UCR74367  Eriogonum thomasii Theo Glenn 1991-5-2 91- 11 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  CAS-BOT-BC262872  Eriogonum thurberi Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC263583  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  CAS-BOT-BC268175  Eriogonum umbellatum var. minus Albert J. Perkins 1915-8-1 s.n. Riverside San Jacinto Mts. Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  OBI37471  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co Park, N edge of the Gavilan Plateau, Gavilan Hills 610 Comment
  POM263559  Eriogonum wrightii var. membranaceum J. C. Roos 1937-8-17 360 Riverside Near Idyllwild, San Jacinto Mountains. Comment
  RSA219215  Eriogonum wrightii var. membranaceum C. W. Tilforth, John Dourley 1970-10-16 322 Riverside Santa Rosa Mountain 2287 Comment
  POM229039  Eriogonum wrightii var. nodosum P. A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA264066  Eriophyllum ambiguum var. paleaceum Noel Holmgren, Patricia K. Holmgren 1975-5-11 7980 Riverside Kingston Range, 15 miles aboe Horse Thief Springs, 19 airline miles ESE of Tecopa. 1524 Comment
Read comments
Aug 25 2013
  POM229441  Eriophyllum confertiflorum P. A. Munz 1937-5-30 15096 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1676 Comment
  SEINET235603  Eriophyllum confertiflorum A. C. Sanders 1997-4-10 20331 Riverside Tucalota Hills E of Lake Skinner (Bachelor Mtn. Quad) 600 Comment
  CAS-BOT-BC301789  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  CLARK-A1528-212  Eriophyllum multicaule C. M. Flanagan 1973-4-14 OO 110 Riverside 518 Comment
  RSA535084  Eriophyllum multicaule Steve Boyd 1991-5-20 6279 Riverside Santa Ana Mtns, NW of Lake Elsinore. Lower Rice Canyon, 0.9 miles E of Cleveland National for boundary. 500 Comment
  CAS-BOT-BC296927  Eriophyllum wallacei Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM13417  Eriophyllum wallacei P. A. Munz, I. M. Johnston 1922-5-6 5177 Riverside Little San Bernardino Mts.: 3 miles E of Warrens Well. 975 Comment
  POM358158  Eriophyllum wallacei Norman C. Cooper 1944-5-20 1246 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  UCR177949  Eriophyllum wallacei Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 035 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA744237  Erodium texanum M. Wall 2009-4-5 504 Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  UCR26267  Erodium texanum John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Mouth of Lost Palms Wash, Eagle Mountains Comment
  RSA0130727  Erodium texanum Glen Rink 2013-3-18 11877 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SEINET4326803 Image available Erysimum capitatum Carl B. Wolf 1932-8-4 Riverside Peninsular Ranges: San Jacinto Mtns; Point View near Idyllwild [= Vista Grande?] 1646 Comment
  LA204343  Erysimum capitatum var. capitatum Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  RSA0020245  Erythranthe floribunda P. A. Munz 1937-5-30 15095 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA0019315  Erythranthe guttata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SD197926  Erythranthe guttata Mike Misenhelter 2005-6-8 Riverside Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Highway 243 and Marian View Dr. 1512 Comment
  RSA0018791  Erythranthe guttata F. W. Peirson 1922-4-8 4720 Riverside Murray Canyon near Palm Springs. Comment
  RSA0018797  Erythranthe guttata N. C. Cooper 1944-5-21 1286 Riverside San Jacinto Mountains, West side 915 Comment
  RSA0015881  Erythranthe moschata Justin M. Wood, Brandy Wood 2009-6-13 881 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  SEINET13732758 Image available Erythranthe primuloides A. J. Breitung 1953-1 15572 Riverside Mt. San Jacinto. 2438 Comment
  UCD96463  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 256 Riverside California. Riverside County: Joshua Tree National Park. 862 Comment
  SDSU14238  Eschscholzia californica Ingrid Poulin 2002-4-12 19 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 203 Comment
  CAS-BOT-BC419587  Eschscholzia parishii S. B. Parish; W. F. Parish 1882-4-1 732 Riverside Eastern slope of San Jacinto Mt. Comment
  CAS-BOT-BC419613  Eschscholzia parishii Milo S. Baker 1928-4-3 3243 a Riverside Palm Sps Canon [Canyon] Comment
  CAS-BOT-BC419649  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside Colorado Desert. 5 miles south of Cottonwood Spring, Eagle Mountains Comment
  RSA504969  Eschscholzia parishii D. Charlton 1988-2-18 1152 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  UC855197  Eschscholzia parishii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs Comment
  UCR148439  Eschscholzia parishii S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCR5903  Eschscholzia parishii David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  RSA655401  Eucalyptus rudis A. C. Sanders 1998-1-15 21650 Riverside along old Rawson Rd. in center of Crown Valley, at junction with main E-W road through valley 634 Comment
  HSC13506  Eucrypta chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 0.25 mi. W of Aguanga Comment
  POM13861  Eucrypta chrysanthemifolia P. A. Munz 1922-4-29 5081 Riverside Among rocks west of Lake Elsinore. Base of Elsinore Mountains, 488 Comment
  RSA561814  Eucrypta chrysanthemifolia Steve Boyd 1992-4-14 6829 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA715256  Eucrypta chrysanthemifolia A. C. Sanders 2006-5-19 32443 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
  SD126650  Eucrypta chrysanthemifolia Ed LaRue 1989-3-30 Riverside Rancho California, ca. 4.0 miles west of Temecula, with Ave. del Oro as the north boundary. 381 Comment
  UC1287119  Eucrypta chrysanthemifolia var. chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 0.25 mi w Aguanga Comment
  UCR137507  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-29 1584 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  RSA659190  Eucrypta micrantha J. C. Roos 1958-2-21 s.n. Riverside Corn Springs. Chuckwala Mtns. Comment
  RSA78475  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17504 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  SBBG37500  Eucrypta micrantha R. N. Muller 1967-5-5 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  JOTR38694  Eulobus californicus Hodges, Stephen R. 2017-2-7 710 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
  POM302490  Euonymus occidentalis var. parishii J. C. Roos 1943-8-8 2699 Riverside Hall Canyon, San Jacinto Mts. 1829 Comment
  UCR163393  Euphorbia abramsiana B. G. Pitzer, G. R. Ballmer 2000-10-14 4219 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  UCD142522  Euphorbia albomarginata K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR112314  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23444 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA0042104  Euphorbia eriantha Duncan S. Bell, Deidre Conocchioli 2014-3-11 6231 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  SD229139  Euphorbia lurida Dick Schwenkmeyer 2012-8-7 777 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA575852  Euphorbia ocellata subsp. ocellata Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 588 Comment
  UCD142701  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7466 Riverside Shavers Valley. Roadside along Cal. 195 near Buried Mt., c. 3 mi SW of jct. with Interstate 10. 426 Comment
  UCR28986  Euphorbia setiloba A. C. Sanders 1982-12-19 3452 B Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  CSUSB333  Fagonia laevis P. A. Rauch 1966-2-19 Riverside 2 miles east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch. 60 Comment
  JOTR31937  Fagonia laevis La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2175 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  JOTR36087  Fagonia laevis La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3314 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  JOTR37717  Fagonia laevis Hodges, Stephen R., L. Ashfield 2016-1-20 648 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  RSA645670  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA703813  Fagonia laevis LeRoy Gross 2005-3-3 1594 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG19817  Fagonia laevis J. R. Haller 1960-4-2 1521 Riverside lower slopes of Orocopia Mtns 1.5 mi S of the jct of US Hwy 60-70 and the S entrance rd to Joshua Tree Nat Monument 548 Comment
  UCR41847  Fagonia laevis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6100 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET10389805  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 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
  RSA0126277  Festuca octoflora Duncan S. Bell 2016-3-4 8807 Riverside Orocopia Mountains; northwest section of the range, in a small canyon approximately 4 air miles north northwest of the Orocopia Mountain summit area. 622 Comment
  JOTR31057  Filago californica La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2040 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  POM36325  Filago californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR107401  Filago californica B. G. Pitzer 1997-3-23 2982 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA781802  Filago depressa Duncan S. Bell 2010-5-1 878 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
  UCR115351A  Filago depressa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16281 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
  UCR156088  Filago gallica T. B. Salvato, Kent Beaman 2005-5-16 798 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  SEINET7048190  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33699 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
  CAS-BOT-BC454536  Fragaria vesca subsp. californica Tom Paradise 1993-5-22 18 Riverside James San Jacinto Mountains Reserve. 1/2 mile East of Highway 243, near Lake Fulmor Comment
  LA207700  Frangula californica subsp. cuspidata C. B. Wolf; 1932-8-6 3989 Riverside San Jacinto Mountains, Strawberry Valley, base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  RSA0018451  Frangula californica subsp. cuspidata Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38121 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  JEPS30096  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
Read comments
Nov 24 2011
  SD38248  Frankenia salina Edith A. Purer 1936-4-6 6878 Riverside South of Elsinore Comment
  UCR266356  Frankenia salina D. E. Bramlet 2005-6-28 3881 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR266487  Frankenia salina Mitch Provance, Matt Amalong 2015-3-25 315- 32 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  SDSU13831  Fraxinus velutina W. Miller with C. Mosse 1972-8-9 Riverside Comment
  SDSU14313  Fraxinus velutina Kristin Andrade, Mike Simpson 2002-4-20 15 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 223 Comment
  CAS-BOT-BC130239  Fritillaria biflora Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of 'Big' Oak Mtn 822 Comment
  UCR79356  Fritillaria biflora Steve Boyd, T. S. Ross 1992-3-31 6769 Riverside Santa Ana Mtns, Elsinore Peak 1024 Comment
  SBBG58627  Funastrum hirtellum M. N. Ackley 1928-4-3 13 Riverside Clary's Cyn 243 Comment
  SBBG58630  Funastrum hirtellum Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  CLARK-A1528-7883  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  JEPS56082  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4281 Riverside along hwy about 1 1/2 mi w Mountain Center (at junction with Baldy Mountain Camp Rd, steep s-facing hillside) Comment
  JOTR29304  Galium angustifolium subsp. gracillimum La Doux, Tasha, Mike Bell 2006-5-17 1381 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA633875  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38134 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1677 Comment
  RSA191429  Galium porrigens E. W. Lathrop, Robert F. Thorne 1967-9-26 6602 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  RSA0051333  Galium porrigens var. porrigens Valerie Soza, Steve Boyd 2004-6-22 1728 Riverside San Jacinto Mountains, Forest Service Rd 5S13. 1463 Comment
  POM367819  Galium stellatum M. B. Dunkle 1937-3-25 4928 Riverside Colorado Desert. Shaver's Well Comment
  CLARK-A1656-606  Geraea canescens Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 152 Comment
  JOTR31920  Geraea canescens Harding, Mitzi, T. Herskovits 2011-4-10 s.n. Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; where foothills border Hwy 177; flat rocky bajada with large, deep drainages 278 Comment
  POM13019  Geraea canescens P. A. Munz 1922-4-14 4967 Riverside Indian Wells 107 Comment
  RSA789367  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-3-28 41 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG104633  Geraea canescens T. Glenn 1991-4-30 91 -59 Riverside McCoy Mtns NW of Blythe Comment
  SD30769  Geraea canescens Edith A. Purer 1935-4-21 6458 Riverside Near Palm Springs Comment
  SEINET8753916 Image available Geraea canescens Norman C. Cooper 1944-1 2633 Riverside Palm Springs 137 Comment
  UCR193133  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35528 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  POM74446  Gilia angelensis Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto Comment
  UC1228382  Gilia angelensis C. L. Hitchcock and C. V. Muhlick 1962-3-16 22127 Riverside 8 mi s Corona; Temescal Canyon Comment
  HSC86247  Gilia capitata Jane Hildreth 1981-6-4 21 Riverside 7 mi. S of Banning along Hwy. 243 1220 Comment
  UCR158711  Gilia capitata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30006 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
  RSA470271  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-17 1430 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA483575  Gilia capitata subsp. abrotanifolia D. Charlton 1988-5-21 1972 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA783253  Gilia capitata subsp. abrotanifolia J. D. Olmsted 1962-5-2 3456 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  RSA469626  Gilia stellata Christopher Davidson 1979-4-4 7715 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  UC908831  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2170 Riverside 2.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 838 Comment
  UCR139095  Gilia stellata B. G. Pitzer 1989-4-16 1310 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 4 km west of Tabaseca Tank, in impact area 620 Comment
  UCR169787  Gilia stellata Scott D. White 2003-5-23 8835 Riverside Santa Rosa Mountains, Hwy 74 near Carrizo Creek crossing. Rancho Mirage 762 Comment
  UCR244401  Gilia stellata Jim Andre 2012-4-16 20983 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR41548  Gilia stellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6084 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SD7669  Gilia tricolor Daniel Cleveland 1882-4-24 Riverside Copeland's, San Jacinto. Comment
  HSC85269  Githopsis diffusa subsp. candida Steve Boyd 1986-4-22 1771 Riverside Temescal Canyon, E side of Indian Wash, S of I-15 Comment
  RSA712687  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range: Alberhill Mountain, SE of old clay mining area. 448 Comment
  CDA4145  Glycyrrhiza glabra K. E. Hoffmaster 1968-11-18 Riverside Coachella Valley near Mecca. 0 Comment
  RSA653499  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23678 Riverside SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  POM318595  Gnaphalium californicum Patricia Wilder 1971-5-13 4940 Riverside Prado Flood Control Basin at base of Prado Dam on small rise, Drainage area Santa Ana River, Flood Plain 152 Comment
  UCR90599  Gnaphalium californicum Scott D. White 1995-6-29 3380 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR91644  Gnaphalium californicum Steve Boyd, D. L. Banks 1995-4-5 8432 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  UCR178835  Gnaphalium canescens Tracy Tennant 1998-8-28 MOR- 707 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  UCR172230  Gnaphalium palustre John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR155309  Gnaphalium stramineum A. C. Sanders 2005-5-4 29854 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR90364  Gnaphalium stramineum Scott D. White 1995-6-30 3425 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  JEPS54091  Guillenia lasiophylla W. L. Jepson 1927-4-12 11657 Riverside ne of Mecca; Painted Canyon 76 Comment
  RSA561815  Guillenia lasiophylla Steve Boyd 1992-4-14 6828 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UC1922390  Guillenia lasiophylla Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR111769  Gutierrezia californica Mitch Provance 1998-3-20 251 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  UCR140709  Gutierrezia californica A. C. Sanders 2004-5-11 27845 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UC74080  Gutierrezia sarothrae Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CLARK-A1045-114  Haplopappus linearifolius George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep Canyon; Palm Desert 15'Q Comment
  UC1979566  Harpagonella palmeri Darin L. Banks, Steve Boyd 1995-5-9 398 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR104645  Harpagonella palmeri D. E. Bramlet 1997-4-4 2509 Riverside in a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  UCR217542  Harpagonella palmeri Diane Menuz 2008-3-6 371 Riverside Perris-Hemet Basin, Alberhill; in county-owned land just off Hwy 15 and Nichols Rd. 490 Comment
  RSA589076  Hazardia squarrosa var. grindelioides D. L. Banks, S. D. Boyd 1995-10-17 0787 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
  UCR126490  Hedypnois cretica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16291 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
  UCR232071  Helianthus annuus John F. Green 2008-4-24 13- 01 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  CAS-BOT-BC305708  Helianthus gracilentus P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17268 Riverside 3.7 mi. s.e. of Banning along hwy to Idyllwild, San Jacinto Mts. 914 Comment
  RSA876  Helianthus gracilentus J. T. Howell 1928-7-7 1038 Riverside Santa Ana Mts. above Glen Ivy. 609 Comment
  UCR164067  Helianthus gracilentus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  SD227749  Helianthus niveus Scott D. White, Sandy Leatherman 1998-4-15 6285 Riverside Coachella Valley. La Quinta / Palm Desert area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes N of Miles Ave. and W of Washington St. 39 Comment
  UCR49109  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita Ecological Reserve, Santa Margarita River, near aqueduct crossing 245 Comment
  UCR174445  Hemizonia fasciculata A. C. Sanders 2006-5-19 32411 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
  UCR256779  Hemizonia kelloggii T. B. Salvato, Matthew Malle 2013-5-20 7578 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
  UCR3298  Hemizonia kelloggii T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on S fork of road 762 Comment
  UCR80843  Hemizonia kelloggii G. R. Ballmer 1992-6-23 92- 8 Riverside San Timoteo Canyon Rd., 0.8 mi east of jct with Redlands Blvd. 526 Comment
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Jul 14 2012
  UCR132829  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, Mitch Provance 1998-10-25 22270 Riverside San Jacinto Mtns., Mt. Edna Road, c. 0.2 mi. west of Hwy 243 1159 Comment
  UCR82814  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15771 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  UCR114201  Hemizonia paniculata A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23640 Riverside Perris-Aguanga Basin Region, French Valley, near south end of Briggs Rd. on east side of Hwy 79, near industrial park, c. 0.5 km SE of Adobe Spring 384 Comment
  UCR101544  Hemizonia pungens C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  CDA6985  Hemizonia pungens subsp. laevis D. R. Siedschlag 1969-11-6 Riverside C.H. Mick property, Lake Matthews Drive, Gavilan Hills area, Riverside. 0 Comment
  POM187878  Hemizonia pungens subsp. laevis E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  RSA532585  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, in an open ditch just east of Gateway farms. The site is just south of Newport Rd, at the Newport and Lucas Rd interesection. 517 Comment
  SEINET269475 Image available Hemizonia pungens subsp. laevis Scott D. White, Steve Ogg 1994-10-17 3455 Riverside Murrieta Creek 1000 ft south of Winchester road bridge (Banana Avenue on USGS Murrieta quad) 310 Comment
  UCR202221  Hemizonia pungens subsp. laevis Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR202232  Hemizonia pungens subsp. laevis Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR241836  Hemizonia pungens subsp. laevis A. C. Sanders, Timothy W. Chumley 2013-4-1 40726 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  JOTR30115  Hesperocallis undulata La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1682 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  RSA561113  Hesperocnide tenella Steve D. Boyd 1993-5-12 7359 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR138813  Hesperocnide tenella D. L. Banks 1997-2-17 1269 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  RSA561014  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  JEPS16283  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC64541  Heteromeles arbutifolia H. M. Hall 1897-6-19 670 Riverside Comment
  RSA0075900  Heterotheca grandiflora D. L. Banks, Victor Steinmann 1996-4-20 0905 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 road junction between the main Preserve Road and the road to the Emerson Cottage., Along road junction between the main Preserve Road and the road to the Emerson Cottage. 466 Comment
  CAS-BOT-BC310831  Heterotheca sessiliflora subsp. fastigiata Roxana S. Ferris 1953-3-10 12601 Riverside About 3/4 mile north of Whitewater post office Comment
  RSA449945  Hibiscus denudatus J. C. Roos 1958-2-22 s.n. Riverside 2 mi SE of Desert Center Comment
  SBBG66337  Hieracium horridum R. Hoffmann 1929-9-5 Riverside Tahquitz Ridge 2438 Comment
  HSC27201  Hilaria rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument. Comment
  SEINET223804 Image available Hilaria rigida E. Neese 1979-4-10 7077 Riverside Ca 25 mi W of Blythe along Interstate 10 244 Comment
  UCSB51279  Hilaria rigida Roos, John 1965-9-5 Riverside 18 miles W. of Blythe Comment
  SEINET953583  Hoffmannseggia glauca J. C. Roos 1965-1 Riverside 17 miles West of Blythe, Colorado Desert. Comment
  UC68503  Hoffmannseggia glauca E. E. Schellenger 1905-4-18 Riverside Palo Verde Valley; Colorado Desert Comment
  UC864216  Hoffmannseggia glauca J. Francis Macbride and Francis Drouet 1941-10-14 4470 Riverside just w Desert Center 274 Comment
  CAS-BOT-BC207564  Hoffmannseggia microphylla D. E. Breedlove 1961-9-11 1259 Riverside along roadside of U.S. 60-70, 8 mi E of Indio 289 Comment
  RSA0118593  Hoffmannseggia microphylla Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, east-northeast of Mecca. 281 Comment
  SD21527  Hoffmannseggia microphylla Frank F. Gander 1938-5-21 5770 Riverside Shaver's Well Comment
  UCR154540  Hordeum marinum Jason L. Hlebakos 2005-5-18 709 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  POM12102  Horkelia clevelandii Mary F. Spencer 1921-6-15 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SBBG119362  Horkelia clevelandii O. Mistretta, M. Elvin 1995-6-19 1772 Riverside San Jacinto Mtns 1463 Comment
  POM230989  Horsfordia alata Marjorie D. Clary 1932-1-22 173 -a Riverside Canyons southwest of Coral Reef Ranch, Coachella, at base of Santa Rosa Mountains 152 Comment
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Apr 4 2011
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  POM360726  Hulsea vestita subsp. callicarpha N. C. Cooper 1949-6-29 4310 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  CHSC8374  Hymenoclea salsola Edward L. Smith 1957-4-3 258 Riverside San Bernardino Mts. Located at entrance to White Water Canyon. 579 Comment
  POM4806  Hymenoclea salsola Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  RSA1229  Hymenoclea salsola B. D. Stark 1930-4-1 775 Riverside Devils garden. Comment
  LA203762  Hymenoclea salsola var. fasciculata D. Birindelli; 1969-3-9 Riverside near Palm Desert 121 Comment
  CAS-BOT-BC219739  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside Between Cottonwood Spring and Pinto Basin Comment
  RSA420164  Hyptis emoryi Christopher Davidson 1979-4-4 7686 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA420165  Hyptis emoryi Christopher Davidson, Jones 1980-4-4 9959 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  SFV5022  Hyptis emoryi F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Rocky roadside, Seven Level Hill about 10 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UCR102719  Hyptis emoryi B. G. Pitzer 1998-1-24 3405 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
  UCR233154A  Hyptis emoryi Jim Andre, Glenn L. Clifton 2011-2-22 17458 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SEINET1907382  Ipomoea murucoides Robin Salter 1995-1 Riverside Riverside: tree in the yard of E. Johnson, Blaine Street at Mt. Vernon. Origin unknown, but this is an old house and the tree may have been there for some time. Comment
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Aug 19 2015
  SEINET3091300 Image available Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley; W side of Hwy 86, 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60. -35 Comment
  POM359290  Isocoma acradenia E. C. Jaeger 1922-7-19 s.n Riverside Soboba Hot Spring. Comment
  CAS-BOT-BC311533  Isocoma acradenia var. acradenia A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell 550 Comment
  CAS-BOT-BC311611  Isocoma acradenia var. eremophila N. Aitkenhead 1977-2-1 2119 Riverside 1000 Palms Sand Dune Natural Area Comment
  POM361285  Isocoma acradenia var. eremophila Allen 1921-10 s.n. Riverside Palm Springs. Comment
  RSA91176  Isocoma acradenia var. eremophila F. W. Peirson 1922-12-28 4740 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  RSA638870  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  RSA774504  Isomeris arborea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4426 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
  UC1088554  Isomeris arborea Peter H. Raven 1958-1-23 10409 Riverside 2.7 mi w Whitewater Post Office Comment
  UC68545  Isomeris arborea H. M. Hall Apr 1905 6005 Riverside Cottonwood Pass; Colorado Desert 609 Comment
  UCR116617  Isomeris arborea A. C. Sanders 2001-3-20 23835 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  RSA0035136  Isomeris arborea Carol Haines 1964-3-23 s.n. Riverside Porcupine Wash, Pinto basin. 762 Comment
  CLARK-A1703-1214  Jasminum mesnyi Charles S. Papp 1965-1-12 805 Riverside Riverside Comment
  RSA84404  Jepsonia parryi F. W. Peirson 1922-12-27 3337 Riverside Between forks of Andreas Canyon, near Palm Springs 609 Comment
  RSA0011156  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR209200  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  UCR209199  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR280962  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 03 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  RSA567472  Juncus balticus subsp. ater Scott D. White 1993-5-29 1484 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1220 Comment
  UCR110922  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR159817  Juncus bufonius Chris E. True, Robert Cox 2005-6-22 s.n. Riverside San Jacinto Mtns., north slope of the mountains near Azalea Creek, about 0.5 mile SW of the Twin Pines Ranch buildings 1067 Comment
  UCR18439  Juncus bufonius J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  UCR274329  Juncus bufonius Mitch Provance 2012-7-11 612- 62 Riverside Badlands of Western Riverside County, Beaumont, along 1st St., near intersection with Grace Ave. 780 Comment
  UCR94960  Juncus effusus subsp. austrocalifornicus Scott D. White 1996-8-15 4463 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UC2571  Juncus macrophyllus H. M. Hall July 1901 2536 Riverside along west fork of Snow Creek San Jacinto Mountains (n side of mts.) 1524 Comment
  RSA192263  Juncus mexicanus E. W. Lathrop 1960-6-10 5004 Riverside 8 miles west of Murrieta. Comment
  UCR21011  Juncus mexicanus A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1336 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  RSA505036  Juncus rugulosus Ed LaRue 1989-7-13 s.n. Riverside Santa Rosa Plateau, Tenaja Road where De Luz Creek crosses road, NW of Mesa de Colorado. Comment
  UCR193898  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-7-11 35777 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  NY247726  Juncus tiehmii B. J. Ertter 1979-6-26 2971 Riverside Behind Kenworthy Ranger Station, near highway 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 762.0 Comment
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Mar 25 2011
  SEINET6174518  Juncus tiehmii B. Ertter, J. L. Strachan 1979-6-26 2971 a Riverside Kenworthy Ranger Station, on Route 74 in Garner Valley, San Jacinto Mts. 760 Comment
  IRVC2018  Juncus xiphioides R. H. Whittaker, W. A. Niering 1963-6-5 SJ 236 Riverside Santa Rosa Mountains, Andreas Canyon. Slope Valley bottom. 213 Comment
  RSA368390  Juncus xiphioides John Olmsted 1962-5-10 3628 Riverside Coldwater Canyon, Corona city water supply, western Riverside County 396 Comment
  LA202777  Justicia californica E. McClintock; R. Erickson 1937-11-6 sn Riverside Palms to Pines Highway 152 Comment
  SBBG68769  Justicia californica R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn, 11 mi S of Palm Springs Comment
  UCD121631  Justicia californica Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCR233155A  Justicia californica Jim Andre, Glenn L. Clifton 2011-2-22 17456 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  VVC700  Justicia californica P. J. MacKay, T. Thomas 1997-2-8 95 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  JOTR29189  Kallstroemia californica La Doux, Tasha 2005-9-8 1302 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  UC1792808  Kallstroemia californica B. G. Pitzer with G. R. Ballmer 2000-10-14 4218 Riverside Sonoran (Colorado) Desert: south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, ca. 22 miles west of Blythe 114 Comment
  RSA293252  Keckiella antirrhinoides D. C. Michener 1980-5-8 3660 Riverside San Bernardino NF Bee Canyon: canyon bottom and slopes with Quercus, Heteromeles, Adenostoma, Salvia, etc. 600 Comment
  SEINET3079796 Image available Keckiella antirrhinoides Cindy Huebner 1988-4-17 8 -9 Riverside S of Riverside at Harford Springs County Park; Gavilan Road; 1 mi. E of Cajalco Road 732 Comment
  SJSU7694  Keckiella antirrhinoides N. D. Addy 1962-4-16 53 Riverside Railroad Canyon Rd c. 4-5 mi E of Elsinore 396 Comment
  CAS-BOT-BC236715  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  RSA0018939  Keckiella antirrhinoides subsp. microphylla R. S. Woglum 1941-5-17 3038 Riverside Coyote Canyon, extreme south-central Riverside Co. Comment
  CHSC89890  Keckiella antirrhinoides var. antirrhinoides L. P. Janeway 2004-5-8 8067 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  UCR108155  Keckiella antirrhinoides var. antirrhinoides B. G. Pitzer 1997-3-23 2956 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR41316  Keckiella antirrhinoides var. antirrhinoides N. M. Fellows, A. C. Sanders 1985-5-7 184 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA335014  Keckiella cordifolia Steve D. Boyd 1985-7-23 1022 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
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Jun 8 2012
  CAS-BOT-BC246203  Keckiella rothrockii Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slied, trail from Idyllwild to Tahquitz Valley, San Jacinto Mts. 2438 Comment
  SD28119  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside San Jacinto Mts. Summit of Devil's Slide Trail from Idyllwild to Taquitz Valley 2438 Comment
  UCR178834  Keckiella ternata Tracy Tennant 1998-8-28 MOR- 703 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  RSA293230  Keckiella ternata subsp. ternata D. C. Michener 1980-7-20 3714 Riverside Thomas Mtn. Chaparral/ coniferous forest transition on Thomas Mtn re [6S13] 2.7mi. north of jct. with CA by Lake Hemit. 1450 Comment
  RSA0019432  Keckiella ternata subsp. ternata Bonnie C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  UCR202439  Koeleria macrantha Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CAS-BOT-BC61431  Krameria bicolor S. B. Parish 1916-5-13 10853 Riverside Cottonwood Springs, Colorado Desert Comment
  UCSB57986  Krameria bicolor Wolf, Carl 1932-4-29 Riverside Eastern Colorado Desert, W. edge of Maria Mts., 17 mi. from blythe on rice road 50 Comment
  RSA0023271  Krameria bicolor Robert F. Thorne 1966-10-15 41782 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA3960  Krameria erecta Carl B. Wolf 1932-4-29 3098 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  UC64845  Laennecia coulteri E. A. Zumbo 1904-1-1 438 Riverside Cold Water Canyon Santa Ana Mts. Comment
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Jan 11 2007
  RSA180492  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5233 Riverside 6 miles west of Murrieta. Comment
  RSA543124  Lamarckia aurea Steve Boyd 1991-3-17 5474 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
  UCR96718  Lamarckia aurea A. C. Sanders 1997-3-1 19716 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA77071  Langloisia setosissima subsp. setosissima F. W. Peirson 1921-4-11 4475 Riverside Deep Canyon Wash, south side of Coachella Valley 244 Comment
  SBBG45747  Langloisia setosissima subsp. setosissima Leota Davidson 1966-4-6 240 Riverside Wiley Well Rd, 4.5 mi S of intersection with Interstate 10 ca. 31 mi E of Desert Center, Chuckawalla Mtns Comment
  CAS-BOT-BC166024  Larrea tridentata Marian L. Campbell 1921-3-19 61 Riverside Palm Springs Comment
  CAS-BOT-BC170702  Larrea tridentata Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  LA209859  Larrea tridentata A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  RSA792576  Larrea tridentata Aaron C. Sedgwick, Duncan S. Bell 2012-9-20 118 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  SD229307  Larrea tridentata Dick Schwenkmeyer 2012-11-6 873 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UCR196381  Larrea tridentata Naomi Fraga, Lisa Rojas 2005-2-10 1373 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR262463  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41499 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  UCR60785  Larrea tridentata Steve Boyd, Orlando Mistretta 1986-3-13 1418 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
  UCD98955  Lastarriaea coriacea A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24184 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 505 Comment
  HSC85280  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  UCR250130  Lasthenia coronaria A. C. Sanders 2014-4-9 40996 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  SEINET7042766  Lasthenia glabrata W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  RSA550481  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-5-6 2267 Riverside Some 760m northwest of Lakeview and south of the San Jacinto Wildlife area. The collection site is some 10m west of Davis Rd. amd 2 m north of Marvin Rd. 132 Comment
  RSA586494  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-9 0325 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR51350  Lathyrus vestitus B. G. Pitzer, E. Misquez 1988-2-28 0616 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA33836  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-5-20 1247 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA510024  Lathyrus vestitus subsp. laetiflorus B. Pitzer, E. Misquez 1988-2-28 616 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SD2658  Lathyrus vestitus var. vestitus Unknown 1925-5-10 Riverside Banning, Idylwild Road 1554 Comment
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Nov 17 2011
  CAS-BOT-BC320800  Layia glandulosa T. B. Salvato; John F. Green 2004-5-27 705 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
  UCR34929  Layia glandulosa L. B. Ziegler 1972-5-4 452 Riverside San Jacinto Mtns, Hemet (Garner) Valley area in Apple Canyon (east of Hemet Lake). 1433 Comment
  CAS-BOT-BC379669  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UCR127331  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA543753  Layia platyglossa subsp. campestris Steve Boyd 1991-5-2 6073 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
  RSA779585  Lepidium fremontii Duncan S. Bell 2009-3-7 17 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  POM47119  Lepidium lasiocarpum Mary F. Spencer 1918-4-12 764 Riverside Palm Springs 137 Comment
  UCR279322  Lepidium lasiocarpum A. C. Sanders, Jim Malusa 2017-3-23 42906 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
  RSA769496  Lepidium nitidum var. nitidum Justin M. Wood 2010-3-19 1426 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  POM308550  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3145 Riverside Palm Springs Comment
  RSA650943  Lepidospartum squamatum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 379 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
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Dec 15 2011
  UC952974 Image available Lepidospartum squamatum E. E. Schellenger 1904-10-15 Riverside Whitewater Wash Colorado Desert; Whitewater Wash, Colorado Desert Comment
  UCR93089  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns., c. 5 road mi SE of Davis Road/Ramona Expressway intersection. 610 Comment
  RSA0106416  Lepidospartum squamatum Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed between Riverside Ave & Market St. Bridge. 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
  POM263081  Leptosiphon androsaceus J. C. Roos 1941-4-19 167 Riverside Reche Canyon - Plateau [Label indicates San Bernardino Co.] Comment
  POM364670  Leptosiphon floribundus subsp. hallii Anstruther Davidson 1902-5-11 1914 Riverside Martinez Canyon Rd. Comment
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May 22 2012
  RSA586946  Leptosiphon lemmonii D. L. Banks, S. D. Boyd 1995-5-30 0475 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; S of the Dripping Springs Campground, just inside the wilderness boundary. 505 Comment
  RSA291547  Leptosiphon liniflorus C. W. Tilforth, W. Wisura 1979-8-8 1901 Riverside Along Hwy 74 at Lake Hemet in Garner Valley 1296 Comment
  UCSB37849  Leptosiphon liniflorus Sanders, A. 1980-7-18 Riverside Garner Valley; meadow on the floor of the valley near the junction of the Thomas Mtn. Rd. with Hwy. 7b, about 1 mile SE of the head of Hemet Lake. T 6S, R 3E, SW1/4 of SW2/4 sec. 10 1341 Comment
  RSA507939  Leptosiphon parviflorus Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-3-28 2257 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1500 Comment
  SEINET3149002  Lesquerella recurvata H. M. Hall 1905-4-24 5882 Riverside Salvation Springs Comment
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Jul 30 2013
  RSA181938  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 miles E of Anza on road to Santa Rosa Summit. 1372 Comment
  CAS-BOT-BC451634  Lilaea scilloides Robert F. Thorne; Earl Lathrop 1969-5-12 37922 Riverside Santa Rosa Plateau: on S end of Mesa de Colorado, Rancho California. 624 Comment
  RSA198978  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California, E of Redonda Mesa 610 Comment
  RSA247368  Lilium parryi Gary D. Wallace, D. Wilken 1966-7-3 653 Riverside San Jacinto Mountains near Idyllwild in the vicinty of Strawberry Meadows. near the main highway no. 243. Comment
  RSA468573  Linanthus androsaceus subsp. luteolus N. C. Cooper 1944-6-17 1394 Riverside San Jacinto Mountains above Banning. 915 Comment
  RSA773182  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-27 1133 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  UCR117320  Linanthus dianthiflorus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 729 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR48401  Linanthus dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  JEPS58459  Linanthus lemmonii Marjorie D. Clary 1932-7-3 975 Riverside near Hemet Lake; Colorado Desert 1341 Comment
  RSA769522  Linanthus lemmonii Duncan S. Bell, Valentin Arvizu 2010-5-10 975 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  UCR16664  Linanthus lemmonii S. M. Chambers 1970-5-9 20 Riverside Santa Rosa Mtns., State Hwy 74, 1 mi. west of Santa Rosa Mountain Road 1220 Comment
  UCR117252  Linanthus liniflorus subsp. pharnaceoides A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22296 Riverside Anza area, Cahuilla Valley, 5.5 mi.W of Bautista Rd. on Hwy 371 1052 Comment
  UC737254  Linanthus parviflorus Frank W. Gould 1943-4-18 2149 Riverside 1 mi w Banning (foothills of the San Jacinto Mts.); San Jacinto Mts. Comment
  RSA85440  Linaria canadensis var. texana J. C. Roos 1952-4-9 5504 Riverside north side of Mt. Rubidoux 381 Comment
  UCR155810  Linaria pinifolia G. R. Ballmer 2005-3-6 s.n. Riverside Coachella Valley, Lake Cahuilla 61 Comment
  UCSB3558  Linum lewisii Lauter, Wolfgang 1960-5-15 Riverside 5.7 miles north of Idyllwild on Calif. highway 74 Comment
  CAS-BOT-BC432278  Lithophragma affine Peter H. Raven 1958-5-17 12956 Riverside 7.4 miles SE of Banning on road to Idullwild, San Jacinto Mountains Comment
  SBBG5924  Loeseliastrum matthewsii K. K. Muller 1958-3-22 920 Riverside 5.5 mi E of Desert Center Comment
  SD245437  Loeseliastrum schottii Sarah De Groot, April Garbat 2013-4-9 7001 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 231 Comment
  SD259047  Loeseliastrum schottii Sarah J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave. Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  CAS-BOT-BC342108  Logfia arizonica S. B. Parish 1907-4-17 6084 Riverside Palm Springs, Western edge of the Colorado Desert 60 Comment
  SEINET3004973  Logfia arizonica G. Rink 2011-3-30 10399 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  CAS-BOT-BC342251  Logfia filaginoides Steve Boyd 1986-5-1 1809 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  CAS-BOT-BC342260  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside Vicinity of Riverside 365 Comment
  JOTR34276  Logfia filaginoides La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3291 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
  RSA0123279  Logfia filaginoides Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8992 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  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
  UCR230046  Lomatium dasycarpum subsp. dasycarpum L. Nye, G. Gust 2005-3-11 548 Riverside Cleveland National Forest, just off of Hwy 74 opposite El Cariso Campground on washed out forest road 762 Comment
  UC56510  Lomatium utriculatum H. M. Hall Apr. 1902 2946 Riverside vicinity of Riverside 365 Comment
  CAS-BOT-BC234807  Lonicera subspicata Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SBBG102905  Lonicera subspicata var. denudata S. D. White 1991-9-17 91 -50 Riverside W side of Lake Elsinore (St Hwy 74); along a wash Comment
  RSA783416  Lotus J. D. Olmsted 1959-8-26 843 Riverside Along Hwy. from Santiago Res. to Irvine Park, Santa Ana Mts. 305 Comment
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Jun 6 2013
  UCR107678  Lotus argophyllus G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  RSA567202  Lotus argophyllus var. argophyllus Walter Wisura, W. Steinmetz 1993-5-29 4918 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  RSA0043379  Lotus crassifolius John F. Emmel 1996-6-16 1411 Riverside San Jacinto Mts.; along Spitler Peak Trail, 0.1-0.2 trail mile west of junction with Pacific Crest Trail. 2072 Comment
  PASA1086  Lotus grandiflorus Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 1706 Comment
  UCR26372  Lotus grandiflorus A. C. Sanders 1981-7-11 2207 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  RSA192130  Lotus hamatus E. W. Lathrop 1966-4-13 6148 Riverside De Luz Road between Murrieta and De Luz Comment
  UCR174444  Lotus hamatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32509 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
  UCR214135  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37739 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR60258  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3181 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA32421  Lotus heermannii N. C. Cooper 1944-5-6 1167 Riverside Whitewater Canyon. 457 Comment
  CLARK-A1656-671  Lotus humistratus Milton Walker 1978-3-6 Riverside San Jacinto Mountains 1097 Comment
  RSA726581  Lotus humistratus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1426 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA161280  Lotus oblongifolius P. H. Raven, R. Snow 1957-7-26 11112 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  CLARK-A1656-715  Lotus rigidus unknown 1981-3-14 Riverside Coachella Valley 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
  SEINET2062422 Image available Lotus scoparius B. Pitzer 1986-5-24 238 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi. N of hatchery boundary. (Whitewater 7.5' Quad) 731 Comment
  RSA617163  Lotus scoparius var. brevialatus Scott D. White, M. Jacobsmeyer 1996-4-20 3958 Riverside SW of Perris: Hillside S of the San Jacinto River Channel. 488 Comment
  JEPS65161  Lotus strigosus W. L. Jepson 1935-4-19 17077 Riverside San Gorgonio Pass Comment
  RSA192127  Lotus strigosus E. W. Lathrop 1959-4-1 4397 Riverside 18 mi SW of Elsinore & Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
  UC1129239  Lotus strigosus H. S. Yates 1937-3-23 6444 Riverside 15 mi nne Mecca; Themal Quad. 457 Comment
  POM12932  Lotus strigosus var. hirtellus P. A. Munz 1922-6-27 5842 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  UCR241520  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40648 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR260256  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-11 41396 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
  RSA90388  Lotus strigosus var. tomentellus F. W. Peirson 1921-4-13 4085 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  RSA697980  Lotus subpinnatus J. R. Bruff 1928-4-2 107 Riverside Canyon 1 mile west of Morengo Comment
  RSA680556  Lotus wrangelianus Scott D. White, Michael Honer 2003-4-30 9135 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA783365  Lupinus J. D. Olmsted 1960-4-17 384 Riverside Oat Flats at head of Tin Mine Canyon 9 miles southwest of Corona along Skyline Drive 823 Comment
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Jun 2 2013
  UCR2956  Lupinus arizonicus D. L. Flaherty 1963-3-21 113 Riverside Sonoran Desert, Coachella Valley, 1000 yards west of the intersection of Hwy 74 and Bursera Way in Palm Desert. 128 Comment
  UCR139094  Lupinus bicolor Scott D. White 1997-5-18 5155 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR4176  Lupinus bicolor R. H. Sauer 1965-4-3 s.n. Riverside Peninsular Range, Riverside, south side of Big Springs Road, c. 500 feet from the east end of the street; west foot of Box Springs Mtns. 396 Comment
  RSA562460  Lupinus bicolor subsp. microphyllus Steve D. Boyd, Tim S. Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR214134  Lupinus concinnus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37738 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  POM12098  Lupinus concinnus subsp. optatus Mary F. Spencer 1921-6-3 1637 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA249470  Lupinus concinnus subsp. optatus John F. Emmel 1973-4-7 430 Riverside Carrizo Creek wash just below Dos Palmas Spring, NE of Pinyon Crest, E. end San Jacinto Mts. 1037 Comment
  LA205059  Lupinus excubitus var. austromontanus Norman C. Cooper; 1944-6-17 2006 Riverside San Jacinto Mountains, above Banning 1219 Comment
  POM307275  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2144 Riverside Santa Rosa Mountains. Comment
  RSA652215  Lupinus excubitus var. austromontanus G. Foster 1961-5-12 122 Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  UCR268285  Lupinus excubitus var. austromontanus Jim Andre 2012-6-15 30538 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA0122713  Lupinus excubitus var. excubitus Duncan S. Bell, LeRoy Gross 2016-3-30 9151 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  CAS-BOT-BC216699  Lupinus excubitus var. excubitus Bulletin Torrey Club 1924-9-1 s.n. Riverside Unspecified Comment
  UCR25045  Lupinus formosus var. hyacinthinus A. C. Sanders 1980-7-18 1633 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR250856  Lupinus hirsutissimus Dick Newell, Judy Booth 2014-3-9 357 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.33 mi. NW of Hacienda Rd. 924 Comment
  UC454094  Lupinus hyacinthinus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2895 Comment
  SD229157  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-8-28 823 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
  UCR16254  Lupinus longifolius S. Riddell 1973-5-17 730517 12 Riverside Peninsular Range; Santa Ana Mtns., 0.1 mi west of El Cariso Fire Station on Hwy 74, 15 ft from the road 793 Comment
  POM13601  Lupinus polyphyllus var. burkei E. C. Jaeger 1921-7-11 11 Riverside Tahquitz Valley, San Jacinto Mts Comment
  POM187416  Lupinus polyphyllus var. burkei L. Crutcher 1933-8-22 6 Riverside stream between Tahquitz Valley and Red Tahquitz, San Jacinto Mts. Comment
  RSA413489  Lupinus shockleyi Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7810 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  UC56612  Lupinus sparsiflorus H. M. Hall Apr. 1902 2939 Riverside Riverside Comment
  UCR113169  Lupinus sparsiflorus A. C. Sanders 1998-2-19 21651 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR18665  Lupinus sparsiflorus Colin Wainwright 1977-3-28 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Spring area, Little Chuckwalla Mtns 610 Comment
  UCR41235  Lupinus sparsiflorus N. M. Fellows, A. C. Sanders 1985-4-9 148 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
  POM10358  Lupinus sparsiflorus subsp. sparsiflorus Charlotte M. Wilder 1904-5-14 49 Riverside Wilders Canyon, Jurupa Hills, Comment
  RSA414265  Lupinus sparsiflorus var. mohavensis Bonnie C. Templeton 1930-4-9 1081 Riverside Moreno Grade, S.W. of Beaumont 650 Comment
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Mar 20 2011
  UCR172227  Lupinus succulentus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  POM256719  Lupinus truncatus W. Pequegnat 1940-4-28 s.n. Riverside Ridge between Bedford and Brown Canyons, Santa Ana Mts. 701 Comment
  RSA716384  Lupinus truncatus Scott D. White, Angelia Carey 2004-4-5 9998 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR120205  Lupinus truncatus Mitch Provance 1998-3-5 195 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR92658  Lupinus truncatus Scott D. White 1996-3-31 3868 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  CAS-BOT-BC231412  Lycium andersonii J. C. Roos 1966-2-12 s.n. Riverside 2 miles east of Desert Center Comment
  CAS-BOT-BC231424  Lycium andersonii Carl B. Wolf 1932-4-28 3087 Riverside Eastern Colorado Desert. S. W edge of Maria Mts. 10 mi. from Blythe on Rice Road 152 Comment
  JOTR30114  Lycium andersonii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1681 Riverside Joshua Tree National Park. Stop #1 = Upper Wilson Canyon 993 Comment
  POM179062  Lycium andersonii R. H. Peebles, H. F. Loomis 156 -C Riverside Monsen Canyon, Eagle Mts. Corollas Desert. Comment
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Nov 22 2011
  SD143703  Lycium andersonii G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Colorado Desert: Midland Road., 3.8 mi. SE of Midland, Little Maria Mts. sandy wash Comment
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  UCR8306  Lycium andersonii N. R. Zabriskie 1969-4-27 207 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon near Palm Springs 366 Comment
  JOTR35222  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  RSA522296  Lythrum californicum Steve Boyd 1989-7-7 3766 Riverside Upper Temescal Canyon at SE end of Alberhill Mtn. S of I-15 at Nichols Rd. exit. Comment
  UC56518  Lythrum californicum E. E. Schellenger July, 1901 Riverside Thompsons Springs Comment
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Mar 22 2014
  RSA301960  Machaeranthera asteroides J. R. Shevock 1972-10-14 2319 Riverside Near Anza, Hwy 71. Comment
  CLARK-A1528-263  Machaeranthera tephrodes John C. Roos 1951-10-19 5330 Riverside San Jacinto River Comment
  RSA561015  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-4 7195 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR18505  Madia minima A. C. Sanders 1978-6-11 00151 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  POM12746  Maianthemum stellatum Philip A. Munz 1922-7-6 6006 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CSUSB1447  Malacothamnus fasciculatus Karen Cook 1966-5-19 Riverside North-facing slope at foot of Mount Rubidoux, in Riverside. 243 Comment
  SD122921  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside De Luz Rd. 9.8 miles west of Rancho California Along road in area of woodland 244 Comment
  UC1929894  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR40080  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside Peninsular Range, De Luz Road, 9.8 mi. west of Rancho California 244 Comment
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Oct 17 2006
  UCR90378  Malacothrix clevelandii D. L. Banks, P. Morrell 1995-5-4 0310 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 732 Comment
  CHSC23880  Malacothrix glabrata T. M. Lane 1975-3-24 7 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  POM305807  Malacothrix glabrata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1052 Riverside Corona-Elsinore. Comment
  RSA0065860  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 22 Riverside Transverse Ranges, San Bernardino Mountains region: San Gorgornio Wilderness Area; just west of Mission Creek; 0.8 miles northwest of the Stone House. 811 Comment
  UC1478690  Malacothrix glabrata Barry Prigge with L. Martinez 1978-3-23 2413 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UCR20755  Malacothrix glabrata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1310 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
  RSA719469  Malacothrix saxatilis var. tenuifolia R. E. Riefner 2005-6-19 05 -447 Riverside Peninsular Ranges Province, Agua Tibia Mountains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  CSUSB1014  Malva parviflora Susan Larisch 1963-5-8 Riverside City of Riverside; C.E.S. Field # 14. Comment
  CSUSB1015  Malva parviflora Leland R. Dykes 1962-4-22 46 Riverside Palomar Road at San Mateo Canyon turnoff, in Murrieta. Comment
  UCR93045  Malvella leprosa Steve Boyd, D. L. Banks 1994-9-29 8364 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CAS-BOT-BC56808  Mammillaria tetrancistra Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  CHSC8368  Marah macrocarpa Edward L. Smith 1957-4-3 254 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. 579 Comment
  CLARK-A1528-5195  Marah macrocarpa John C. Roos 1952-3-19 5392 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  CSUSB590  Marah macrocarpa Kheng Try Seng 1966-4-13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  RSA651081  Marah macrocarpa Diane M. Ramirez 1983-5-15 8 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  SD129568  Marah macrocarpa Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road 365 Comment
  UCR84271  Marah macrocarpa A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15909 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  RSA510025  Marah macrocarpa B. Pitzer, E. Misquez 1988-2-28 617 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  CAS-BOT-BC216180  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  UCR85284  Marrubium vulgare Bern Schwenn 1994-5-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], Cottonwood Spring campground, parking lot at bathrooms, loop 'B. Comment
  RSA532575  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside San Jacinto Wildlife Area: Approx. 670 m. east of Davis Road and some 60 m. north of the San Jacinto River levee. in the old Riverbed beside the channelized area of the San Jacinto River. 475 Comment
  SD227668  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanada Ave. and the Tres Cerritos Hills 459 Comment
  UCR174516  Matricaria matricarioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32510 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
  UCR280826  Medicago polymorpha T. B. Salvato, Gregg Miller 2005-6-3 1365 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA586854  Melica frutescens D. L. Banks, Steve Boyd 1995-5-3 273 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA770930  Melica frutescens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4748 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 W116.65124 604 Comment
  UC736844  Melica frutescens Frank W. Gould 1944-4-5 2233 Riverside 17 mi e Temecula (on Highway 79) Comment
  CHSC109712  Melica imperfecta Scott D. White 2003-3-21 8821 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  RSA753930  Melica imperfecta W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 28 Riverside Idyllwild, Garner Valley. Comment
  SBBG122769  Melica imperfecta A. Parikh 1990-5-8 163 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1.4 km E of Old Elsinore Rd 510 Comment
  CSUSB1113  Melilotus indicus Karen Cook 1966-5-16 Riverside 15 feet due south southwest of west end of Humanities building on the UCR campus in city of Riverside. 304 Comment
  POM299267  Menodora scoparia A. M. Alexander, Louise Kellogg 1941-5-21 2208 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  RSA523549  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4009 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JOTR30972  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA28060  Mentzelia desertorum I. L. Wiggins 1941-3-27 9686 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  CSUSB970  Mentzelia involucrata Art Whistler 1966-3-26 s.n. Riverside 1 mile below the entrance to the Philip L. Boyd Desert Reseach Center, Deep Canyon. 100 yards off the road in a deep wash Comment
  JOTR29305  Mentzelia involucrata La Doux, Tasha, Mike Bell 2006-5-17 1382 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA649332  Mentzelia involucrata Marie Cichra 1976-4-25 107 Riverside Corn springs, approx. 13 miles from intersection of Corn Springs Road and Chuckwalla Rd., off I-10. Comment
  RSA784748  Mentzelia involucrata Duncan S. Bell 2012-2-12 3092 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR232515  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  CDA36636  Mentzelia involucrata var. megalantha M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 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
  UCR279554  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2017-3-29 43186 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UC217915  Mentzelia jonesii P. A. Munz, D. Keck 1922-4-13 4955 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  RSA282917  Mentzelia montana C. W. Tilforth 1980-6-17 2011 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
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Dec 19 2008
  UCR214695  Mesembryanthemum crystallinum A. C. Sanders 2010-3-25 37630 Riverside Sonoran (Colorado) Desert; Salton Trough, northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  RSA543947  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-9 6179 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCSB60195  Microseris douglasii Bramlet, D. 1992-4-29 Riverside 823 m. west of Gilman Springs Rd., approx. 460 m. S. of Bold Style Ave. 436 Comment
  RSA586495  Microseris heterocarpa D. L. Banks, S. D. Boyd 1995-5-9 0326 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA656545  Microseris heterocarpa A. C. Sanders 2000-5-25 23407 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR48481  Microseris heterocarpa Steve Boyd 1986-4-2 1584 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CLARK-A1528-2179  Microseris lindleyi Charles Herrick 1974-5-16 Riverside 655 Comment
  UCR120951  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23876 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  SD51957  Mimetanthe pilosa Reid Moran 1962-7-7 9859 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  RSA0018785  Mimetanthe pilosa Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  JOTR01209  Mimulus aurantiacus Moran, Reid 1941-5-5 845 Riverside Joshua Tree National Park. EAST OF QUAIL SPRING 396 Comment
  POM243740  Mimulus aurantiacus var. pubescens E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  UC943873  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 C Riverside Indian Canyon Truck Trail Santa Ana Mts. 853 Comment
  POM8479  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2288 Riverside Butte west of Lakeview. 610 Comment
  RSA4390  Mimulus aurantiacus var. puniceus Dorothy R. Wolf 1932-3-20 36 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA442720  Mimulus aurantiacus var. puniceus W. P. Burger 1979-4-29 65 Riverside Off Carancho Rd. , just past where creek crosses rd., in Hidden Valley. Near Lake Elsinor. 366 Comment
  UCR250861  Mimulus aurantiacus var. puniceus Dick Newell, Judy Booth 2014-2-16 352 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide [Wildomar] Truck Trail, 0.75 mi. SE of Elsinore Peak 943 Comment
  JEPS8159  Mimulus bigelovii var. bigelovii W. I. Follett 126 Riverside 5 mi w Desert Center; Colorado Desert Comment
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Sep 3 2011
  IRVC26260  Mimulus brevipes A. C. Sanders, D. Malueg 2003-5-8 26565 Riverside 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 Perris-Aguanga Basin region 396 Comment
  RSA614599  Mimulus floribundus A. C. Sanders, Steve Ogg 1994-7-28 15182 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UCR233083  Mimulus floribundus T. B. Salvato, Richard Camacho 2011-6-12 5494 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
  UCR142934  Mimulus fremontii Scott D. White 1999-6-6 7440 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  UCR240634  Mimulus fremontii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 403 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  RSA0030781  Mimulus moschatus var. longiflorus Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild 1585 Comment
  RSA543841  Mimulus palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6304 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CLARK-A1528-4264  Mimulus pilosus John C. Roos 1936-9-15 2511 Riverside San Jacinto Mountains Comment
  UCR110957  Mimulus pilosus George K. Helmkamp 1998-6-27 4104 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR275350  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-9 1493 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UC886389  Mimulus tilingii Carl B. Wolf 1932-8-5 3954 Riverside meadow on trail from Tahquitz Valley to San Jacinto Peak (head of a fork of Tahquitz Creek); San Jacinto Mts., 1st Real 2743 Comment
  SEINET3092401 Image available Mirabilis bigelovii Howard Scott Gentry 1947-4-20 7638 Riverside Gentry Farm, 3 miles NE of Murrieta. 396 Comment
  JEPS61337  Mirabilis laevis W. L. Jepson 1927-4-14 11707 Riverside Silent Canyon, SE end of Santa Rose Moutains 304 Comment
  RSA700902  Mirabilis laevis Keith E. Hoffmaster 1936-4-26 s.n. Riverside Box Springs grade. Comment
  SEINET3142098  Mirabilis laevis var. crassifolia J. A. Ewan 1932-4-8 7042 Riverside Whitewater Canyon, about 3 mi above mouth Comment
  CAS-BOT-BC434835  Mirabilis laevis var. retrorsa B. Trowbridge 1979-4-17 6100 Riverside Lower Cottonwood Springs Wash, north of Interstate 10 762 Comment
  OBI8247  Mirabilis laevis var. retrorsa David J. Keil, Malcolm G. McLeod 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 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
  UC218035  Mirabilis laevis var. retrorsa P. A. Munz and D. Keck 1922-4-9 4754 Riverside Shavers Well, near Mecca 76 Comment
  UC912283  Mirabilis laevis var. retrorsa Herbert L. Mason 1928-3-10 4176 Riverside Snow Creek, Whitewater River Valley, Colorado Desert Comment
  RSA554020  Mirabilis laevis var. villosa A. C. Sanders, E. J. Lawlor 1992-4-4 12126 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA0035939  Mirabilis tenuiloba Deidre Conocchioli, Duncan S. Bell 2014-3-4 149 Riverside 1.3 miles down dirt BLM road from paved 58th Avenue; 4WD road south of Lake Cahuila and La Quinta. Just northeast of mouth of Devil Canyon, east side of Santa Rosa Mountains, west edge of Coachella Valley 37 Comment
  UCR92711  Modiola caroliniana A. C. Sanders 1996-3-27 18022 Riverside University of California, Riverside; lawn on the west side of campus near The Barn 335 Comment
  RSA408762  Mohavea confertiflora Jean Carnine 1932-3-22 15306 Riverside Deep Canyon-Mojave Comment
  UC1080455  Mohavea confertiflora P. C. Everett and E. K. Balls 1958-4-29 1650 Riverside just w of Cactus City (U.S. Highway 60/70, Indio to Blythe) 502 Comment
  UC1546688  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well 228 Comment
  JOTR34117  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 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
  UCR59473  Mollugo verticillata Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  LA54310  Monardella australis subsp. australis Ed Peterson; J. A. Ewan 1930-9-1 2163 Riverside Mt San Jacinto 3293 Comment
  CAS-BOT-BC220023  Monardella breweri subsp. lanceolata Geo. B. Grant 1901-8-10 s.n. Riverside Strawberry Valley Comment
  RSA801725  Monardella breweri subsp. lanceolata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6166 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  UC1995337  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside ridge e Toro Peak; Santa Rosa Mts. 2286 Comment
  CAS-BOT-BC215495  Monardella nana Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mts., trail to Hidden Lake, along rocky slopes of switchbacks Comment
  LA57196  Monardella nana Philip A. Munz; 1937-5-31 15114 Riverside at Anza tablet, head of Coyote Canyon, S.W. of Riverside county Comment
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Mar 11 2014
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  UC1499947  Monardella nana E. and M. McClintock, D. Weiner 1941-7-11 95 Riverside Banning-Idyllwild road. At the creek beyond Stone Creek. Comment
  RSA750418  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 53 Riverside 5.75 miles from the Anza Monument turn off. Comment
  RSA651653  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA750290  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 98 Riverside Black Mt. 0.1 mile beyond turn off from Banning-Idyllwild road. Comment
  UCR221464  Monardella nana subsp. tenuiflora Elizabeth McClintock, Harlan Lewis 1941-6-22 074 Riverside Peninsular Range; San Jacinto Mtns., 1.5 miles from the snow gate, on road to Black Mtn. 2043 Comment
  UCR221465  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-13 112 Riverside Peninsular Range; San Jacinto Mtns., near sawmill at Domengonio [Domenigoni] Flats [Strawberry Valley near Camp Emerson & USC Idyllwild campus], on old Idyllwild road [Tollgate Rd.] 1555 Comment
  UCR125896  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24614 Riverside Mojave Desert, Little San Bernardino Mtns, Jumbo Rocks Campground, Joshua Tree National Park 1341 Comment
  RSA65882  Monolepis nuttalliana F. W. Peirson 1918-03 1834 Riverside Field near Indio. Comment
  POM13290  Monoptilon bellioides E. C. Jaeger 1921-4-12 141 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  RSA45222  Monoptilon bellioides J. C. Roos, Lucille Roos 1949-3-19 4100 Riverside Southeast foot Orocopia Mountains, about 5 miles northeast of Dos Palmos Spring Comment
  SBBG15883  Monoptilon bellioides R. Gunnerson 1953-3-21 130 Riverside ca. 9 mi E of Indio Comment
  SBBG8637  Monoptilon bellioides H. and M. Dearing 1937-4-10 1946 Riverside Thousand Palms Cyn Comment
  UCR4008  Monoptilon bellioides Val Chase 1965-3-7 3 B Riverside Western Colorado Desert, 6 miles NW of Thousand Palms on the road to Hidden Springs Ranch to the west of the road in high parts of a rocky wash 244 Comment
  UCR52233  Monoptilon bellioides Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2126 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR72207  Monoptilon bellioides Theo Glenn 1992-3-31 92- 15 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR31295  Montia fontana A. C. Sanders, Theo Glenn 1983-4-17 3727 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  UCR83407  Muhlenbergia microsperma A. C. Sanders 1994-5-15 14490 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  CAS-BOT-BC274910  Muhlenbergia rigens H. A. Zuill 1966-6-29 266 Riverside Cole Canyon 2 miles SW Murrieta Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  UCR3290  Muilla maritima Tom Painter 1964-5-16 5-16-64- 01 Riverside San Bernardino Valley/Perris-Aguanga Basin, Box Springs Mtn., 1.2 mi SW of intersection of Pigeon Pass Road and Box Springs Road 765 Comment
  RSA660503  Myosurus minimus subsp. apus A. C. Sanders, K. C. Rose 1998-5-21 21861 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA314677  Nama demissa Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55415 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA421110  Nama demissa Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UC1537220  Nassella lepida Gordon H. True 1935-3-11 93 Riverside Mockingbird Canyon Comment
  RSA487543  Nassella pulchra Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  OBI11307  Navarretia fossalis Robert F. Hoover 1968-1 Riverside Comment
  CLARK-A1045-156  Navarretia prostrata George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UC1483308  Navarretia prostrata Robert F. Thorne 1974-5-23 44667 Riverside top of Mesa de Colorado Santa Rosa Plateau, Rancho California, Mesa de Colorado 624 Comment
  UCR71844  Nemacladus orientalis George K. Helmkamp 1992-4-16 92- 06 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  POM17809  Nemacladus pinnatifidus P. A. Munz 1923-6-14 7096 Riverside Glen Ivy Trail to Santiago Peak 1219 Comment
  UCR112315  Nemacladus ramosissimus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23443 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA657237  Nemacladus rubescens J. Mark Porter, Valerie Soza, G. D. Wallace 2001-4-2 12334 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  SEINET10461079  Nemacladus rubescens Ira L. Wiggins 1941-3-27 Wiggins 9671 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  POM172022  Nemacladus sigmoideus P. A. Munz 1930-5-1 11922 Riverside Morongo Valley. Comment
  RSA79176  Nemacladus sigmoideus P. A. Munz 1952-5-2 16239 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR207548  Nemophila menziesii O. F. Clarke 2004-3-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  SBBG132547  Nicotiana attenuata S. D. White, J. M. Wood 2008-6-16 12140 Riverside meadow at Quinn Flat 1378 Comment
  SEINET7882515 Image available Nicotiana glauca Jean Coulson 1959-1 175 Riverside U.C.R. Campus, Riverside County, Calif. E. of garden behind Agricultural Extention Bldg. in rock out-crop. 1 Comment
  UC68733  Nicotiana obtusifolia H. M. Hall 1905-4-29 5946 Riverside McCoy Wash; Colorado Desert 91 Comment
  UCR41350  Nicotiana obtusifolia N. M. Fellows, A. C. Sanders 1985-5-7 162 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  SD4487  Nicotiana quadrivalvis F. G. Woodstock 1928-4-27 Riverside Desert road to Aguanga Comment
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Jul 21 2013
  CLARK-A1528-1496  Nolina parryi John C. Roos 1942-5-2 1051 Riverside Joshua Tree National Monument 1371 Comment
  RSA45204  Nolina parryi J. C. Roos, L. Roos 1949-4-23 4282 Riverside Monson Canyon, Eagle Mountains. Comment
  UCR152583  Nolina parryi James C. Dice 1985-6-13 618 Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, c. 1.3 km N of Hwy 74 1250 Comment
  CAS-BOT-BC71154  Notholaena californica Marcus E. Jones 1925-12-21 s.n. Riverside Andreas Canyon Comment
  HSC961  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 183 Comment
  SEINET8043949 Image available Notholaena californica Joseph Cahill 2011-1 111 -08 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert: c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs. 403 Comment
  POM259122A  Notholaena californica subsp. leucophylla A. Lefebure 1941-03 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  CLARK-A1528-3582  Notholaena newberryi John C. Roos 1937-5-2 1412 Riverside La Sierra Comment
  SEINET10492356  Oenothera chamaenerioides David B. Dunn 1946-3-17 Dunn 2095 Riverside Only plant seen. In ravine on plateau to the e of the springs and main palm group in pushawalla canyon. Indio hills. Comment
  CDA19895  Oenothera deltoides M. Lahti 2002-6-26 PDR P 168802 Riverside Southern California; Bautista Creek Ranches at 45200 Bautista Rd, Hemet. 0 Comment
  POM126853  Oenothera deltoides subsp. deltoides E. E. Schellenger 20 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  POM355580  Oenothera deltoides subsp. deltoides N. C. Cooper 1949-3-15 3026 Riverside Palm Springs 122 Comment
  UCR95618  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Riverside: Mt. Rubidoux, NE foot of the mountain above the end of 9th St. 305 Comment
  RSA26836  Oligomeris linifolia I. L. Wiggins 1941-3-24 9581 Riverside Eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  UCR148476  Oligomeris linifolia 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
  UCD108100  Olneya tesota T. B. Salvato; A. C. Sanders, Mitch Provance 2000-4-18 49 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  RSA666718  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  UCR257140  Opuntia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24940 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  POM83401  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  UCR112488  Opuntia microdasys A. C. Sanders, T. B. Salvato 2000-5-30 23438 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR192122  Opuntia microdasys John F. Green 2008-6-5 s.n. Riverside Peninsular Range, south side of Hwy 74, c. 3 miles NE of Lake Elsinore and 3 miles NW of Canyon Lake 478 Comment
  POM306431  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside Palms-to-Pines Hwy, east side; San Jacinto Mts. 1220 Comment
  SBBG87953  Opuntia polyacantha var. erinacea A. C. Sanders 1984-4-21 5019 Riverside Pinyon Flat S of Hwy 74 and W of the dolomite mine Comment
  POM11974  Orcuttia californica P. A. Munz, I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley. 427 Comment
  RSA206499  Orcuttia californica E. W. Lathrop 1969-9-8 7123 Riverside 6 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau Comment
  RSA702270  Orcuttia californica Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2080 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  UCR113635  Orcuttia californica June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro, pond near rocks 610 Comment
  JEPS85953  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4531 Riverside ca. 16 mi. n.e. Desert Center (along Rice Rd.) Comment
  RSA586725  Orobanche fasciculata D. L. Banks, S. D. Boyd 1995-5-17 447 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA560410  Oxalis albicans subsp. californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 341 Comment
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Oct 22 2014
  RSA64888  Oxytheca emarginata R. S. Woglum 1937-5-24 12082 Riverside Santa Rosa Indian Reservation. 1220 Comment
  UC123746  Oxytheca emarginata F. M. Reed 1908-7-14 2447 Riverside ridge s Tahquitz; San Jacinto Mountains 2438 Comment
  OBI8361  Paeonia californica David J. Keil, Malcolm McLeod 1977-3-26 12022 -2 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  CAS-BOT-BC327900  Palafoxia arida Ira L. Wiggins 1941-3-24 9564 Riverside 0.3 miles S of Myoma, 4.6 miles N of Indio Comment
  RSA0130721  Palafoxia arida Glen Rink 2013-3-19 11890 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SEINET10799065  Palafoxia arida David B. Dunn, Howard Brown 1947-2-9 Dunn 2854 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC154115  Palafoxia linearis N. Aitkenhead 1977-2-2 s.n. Riverside 2 mi. W. of junction of 1000 Palms Canyon Rd & T/L Comment
  NY43273  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  RSA614834  Panicum capillare A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15810 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  CAS-BOT-BC350983  Panicum hirticaule Duncan S. Bell; John Anderson; Kim Clark; Debbie George; Jim George; A. F. Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air mile SE of Hopkins Well 107 Comment
  UCR43282  Panicum urvilleanum B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  RSA92743  Papaver californicum J. C. Roos 1952-5-19 5692 Riverside On hills north of Moreno. Comment
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May 20 2011
  CAS-BOT-BC413370  Parietaria floridana Steve Boyd 1986-4-2 1596 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  JEPS121546  Parkinsonia florida Adam C. Schneider with Will Freyman 2014-2-16 392 Riverside Box Canyon Road. Comment
  RSA0112102  Parkinsonia florida Duncan S. Bell 2009-10-9 485 Riverside Northwest of the Arica Mountains. 281 Comment
  SD216479  Parkinsonia florida Carol R. Annable 1995-3-10 2262 Riverside 1.6 kilometers south of Lake Cahuilla County Park. Comment
  SD6071  Parkinsonia florida unknown Mar 1914 Riverside Palm Springs Comment
  RSA698052  Parosela spinosa J. R. Bruff 1934-6-19 537 Riverside 5 mi. S.E Palm Springs. Comment
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Aug 27 2011
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  UCD134925  Pectis papposa var. papposa G. L. Webster; R. Hildreth 1966-12-10 7465 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  JEPS29322  Pectocarya anisocarpa Rimo Bacigalupi and L. Heckard 1962-3-26 8418 Riverside 1 mi n Winchester (extreme se flank of buttes, 8 air mi sw of Hemet); Double Buttes 487 Comment
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Mar 20 2011
  UCR260863  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41475 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  JOTR28951  Pectocarya heterocarpa La Doux, Tasha 2005-3-30 1187 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA689370  Pectocarya linearis Scott D. White 2001-4-19 8373 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  SD144479  Pectocarya linearis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19857 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  SEINET3105400  Pectocarya penicillata Sears 1978-3-16 826 Riverside 2.5 mi. NW of Midland. In wash area beyond gap between Little Maria and Big Maria Mts. Comment
  RSA77816  Pectocarya peninsularis F. W. Peirson 1920-2-16 1013 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  POM292378  Pectocarya recurvata Lyman Benson 1933-3-31 4175 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA0123680  Pectocarya recurvata Duncan S. Bell, LeRoy Gross 2016-3-9 8861 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  UCR72208  Pectocarya recurvata Theo Glenn 1992-3-31 92- 18 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA33854  Pellaea andromedifolia var. andromedifolia John S. Garth 1944-4-8 1089 Riverside Andreas Canyon 457 Comment
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Apr 17 2011
  UCD137695  Pellaea mucronata Geoffrey Levin 1975-4-26 486 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Drainage Area: Pacific slope. 335 Comment
  SD229013  Pellaea mucronata subsp. mucronata Dick Schwenkmeyer 2012-3-26 673 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA524223  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4017 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JEPS11253  Penstemon centranthifolius C. V. Meyer June 1927 272 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow Comment
  UCR87656  Penstemon centranthifolius A. C. Sanders 1994-5-29 14581 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA96969  Penstemon centranthifolius R. M. Straw 1954-4-6 553 Riverside 50 ft. east of road; Hwy 79, ca. 1 mi. SW of Aguaga. Comment
  POM263058  Penstemon clevelandii subsp. connatus J. C. Roos 1941-5-10 128 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  UCR35261  Penstemon heterophyllus L. B. Ziegler 1968-6-3 304 Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon 762 Comment
  RSA802136  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5013 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR260261  Peritoma arborea A. C. Sanders, Jim Malusa 2015-3-11 41401 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  JOTR32165  Peritoma arborea var. angustata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2317 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  SD113494  Peritoma arborea var. angustata Darley F. Howe 1952-4-7 2177 Riverside Morongo Valley Comment
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Mar 27 2014
  CAS-BOT-BC355978  Perityle emoryi H. M. Hall 1902-4-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  JOTR35343  Perityle emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 110 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA656536  Perityle emoryi A. C. Sanders 2000-4-25 23357 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  CAS-BOT-BC419047  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  CHSC99225  Persicaria lapathifolia John C. Dittes; Rudolph A. Dittes 2006-10-30 1424 Riverside South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of Victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. Undesignated Section of El Encino Land Grant. 207 Comment
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Mar 10 2015
  UCR86202  Petalonyx thurberi A. C. Sanders 1995-5-23 17117 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  LA106265  Peucephyllum schottii David S. Verity; Sue Verity 1986-1-2 sn Riverside Hidden Palms, Indio Hills Comment
  UC831588  Peucephyllum schottii E. C. Jaeger 1922-3-18 1028 Riverside near Mecca; Painted Canyon Comment
  UC91062  Peucephyllum schottii S. B. and W. F. Parish 1882-4-1 Riverside Morongo Comment
  UCR279243  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-1-14 42656 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR60772  Peucephyllum schottii Steve Boyd, O. Mistretta 1986-3-13 1479 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  RSA234102  Phacelia ambigua Robert F. Thorne, R. Carolin 1967-3-21 41632 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA4892  Phacelia ambigua Carl B. Wolf 1932-4-27 3008 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA697794  Phacelia ambigua Mary Edmunds 1932-3-27 s.n. Riverside Oasis, Coachella Valley. Comment
  UCR232514  Phacelia ambigua var. ambigua Dave Silverman 2010-3-30 7889 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  POM18746  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  POM48900  Phacelia brachyloba P. A. Munz 1924-7-29 8848 a Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA602245  Phacelia brachyloba R. S. Woglum 1937-5-22 551 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UCR222309  Phacelia brachyloba R. F. Thorne, W. Wisura, David Michener 1982-5-24 55187 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, [north] along Main Divide Truck Road [from El Cariso Fire Station area] 915 Comment
  POM263071  Phacelia campanularia J. C. Roos 1937-4-18 678 Riverside Whitewater, Colorado Desert. Comment
  UCD166247  Phacelia campanularia Jack Major 1962-4-17 781 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  UC702057  Phacelia campanularia subsp. campanularia Harlan Lewis 1946-4-21 Riverside side canyon about 3 1/2 mi n Hiway 99; Whitewater Canyon Comment
  UCR84655  Phacelia cicutaria var. hispida Scott D. White, S. Ogg 1994-4-21 1966 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR104644  Phacelia ciliata D. E. Bramlet 1993-3-30 2303 Riverside South Cajalco Bend. The site is located some 1.5 m south of Cajalco Road, at a location 3.2 km east of the intersection of Cajalco Road and Sierra Ave. The site is approximately 5m east of the intersection with the Monument Peak Road. 451 Comment
  UCR37441  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  RSA0049852  Phacelia crenulata var. ambigua Jim Andre 2014-1-27 26671 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR166155  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 565 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  JEPS2400  Phacelia distans E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA80989  Phacelia distans G. R. Campbell 1952-4-5 18375 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UC56705  Phacelia distans Geo. R. Hall 1901-3-17 Riverside Riverside 304 Comment
  UCR156078  Phacelia distans T. B. Salvato, Kent Beaman 2005-5-16 794 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR202041  Phacelia distans Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  RSA192355  Phacelia grandiflora H. A. Zuill 1966-6-5 197 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  POM12124  Phacelia imbricata subsp. patula Mary F. Spencer 1921-6-21 1237 Riverside Edge of woods, Idyllwild, San Jacinto Mt. 1616 Comment
  JEPS1181  Phacelia minor Marjorie D. Clary 1932-3-20 1611 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  SBBG55017  Phacelia minor D. Keil, M. McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UCR6185  Phacelia minor Martha Hofmann 1967-5-12 s.n. Riverside S of Corona, off Hwy 71 between El Cerrito and Cajalco Road west of Temescal Road and east of Hwy 71. Comment
  SBBG64962  Phacelia mutabilis R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2438 Comment
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Sep 2 2009
  RSA428158  Phacelia pedicellata Robert Gustafson 1983-3-27 2492 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  LA205627  Phacelia ramosissima Elizabeth McClintock; 1941-5-19 9 Riverside rd to Santa Rosa Peak Comment
  UCR156365  Phacelia ramosissima T. B. Salvato, Kent Beaman 2005-5-16 883 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  LA205628  Phacelia ramosissima Elizabeth McClintock; 1936-7-19 s.n. Riverside SAN JACINTO MOUNTAINS, Idyllwild. Comment
  SBBG35568  Phacelia tanacetifolia D. Myrick 1966-4-1 1314 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UCR172252  Phalaris minor John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR26196  Phlox austromontana John C. Roos 1946-8-27 2922 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  HSC83021  Pholistoma membranaceum N. M. Fellows 1985-3-16 111 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  RSA0080318  Pholistoma membranaceum Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  RSA459291  Pholistoma membranaceum Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA788754  Pholistoma membranaceum R. W. Spjut 2008-2-11 16188 Riverside California Sonoran Desert. BLM: Just west of Desert Hot Springs off North Indian Canyon Drive along southside of Highway 62. 243 Comment
  UCR97634  Pholistoma membranaceum John Wear, N. Moorhatch 1997-3-20 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  UCD105052  Phoradendron bolleanum T. Scott; A. Townesmith, K. M. Meyer 2007-3-18 136 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  CAS-BOT-BC135075  Phoradendron californicum Ivan Johnston 1917-4-4 1061 Riverside Palm Canyon 289 Comment
  CDA22364  Phoradendron californicum T. C. Fuller 1961-1-1 5493 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  LA209837  Phoradendron californicum S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  OBI53673  Phoradendron californicum Dennis Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd, Morongo Indian Reservation 610 Comment
  RSA132729  Phoradendron californicum Del Wiens 1953-12-5 870 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  RSA713978  Phoradendron californicum A. C. Sanders, J. Andre, P. J. MacKay, Tim Thomas 2005-2-26 29129 Riverside Sonoran (Colorado) Desert: SE of Hwy 117 towards dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR48554  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside San Bernardino Mtns., Whitewater Canyon, 3 mi. north of I-10 and 1 mile south of Whitewater trout co. 442 Comment
  CHSC83641  Phoradendron densum John Dittes 2002-1-5 2 -48 Riverside Mojave Desert; ca. 11 air-miles south-southwest of Twentynine Palms, ca. 0.8 mile northwest of Hidden Valley Campground, ca. 1 mile east of Lost Horse Ranger Station, base of ridge west of Loop Road. 1286 Comment
  RSA49179  Phoradendron densum Philip A. Munz 1949-4-13 13053 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA592672  Phoradendron densum Scott D. White, D. Haselfeld 1996-7-2 4264 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SFV17133  Phoradendron libocedri P. G. Kilburn 1958-5-30 829 Riverside San Jacinto Mountains 5 miles north of Idyllwild, just west of Fern Basin Campground. Beside road. 2134 Comment
  UCR92155  Phoradendron macrophyllum D. L. Banks, Steve Boyd 1995-10-17 0823 Riverside NW Palomar Mtns, Agua Tibia Mtns, Cleveland National Forest; Dripping Springs Campground, campsite # 9. 488 Comment
  RSA97448  Phoradendron pauciflorum F. W. Peirson 1924-7-27 4992 Riverside on Abies concolor; Dark Canyon. 2515 Comment
  CAS-BOT-BC171149  Phoradendron serotinum subsp. tomentosum Scott D. White 1996-8-1 4444 Riverside San Jacinto Mtns. Idylwild Area: N of Strawberry Valley, between Bear Trap Cyn and Lily Creek 1615 Comment
  CAS-BOT-BC171154  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  UCR140568  Phoradendron villosum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 76 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  JEPS70616  Phragmites australis W. L. Jepson 1914-5-22 6044 Riverside ne Edom (cave in Thousand Palms Canyon); Colorado Desert, Thousand Palms Canyon Comment
  JEPS8987  Physalis crassifolia W. L. Jepson 1901-5-22 1386 Riverside Palm Canyon to Van de Venter's (San Jacinto Mts.); San Jacinto Mts. Comment
  RSA101223  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA314638  Physalis crassifolia Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55451 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR41437  Physalis crassifolia B. G. Pitzer 1986-2-9 10 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  SD235051  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knolls of Riverside: Riverside, Versity Hill (Coyote Hill), S side of the UCR campus. 417 Comment
  UCD126765  Physalis lancifolia Malcolm A. Nobs; S. Galen Smith 1948-9-3 483 Riverside 2 miles north of Indio. Comment
  UCR144084  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside San Gorgonio Pass, Beaumont, 'Oak Valley Golf Course 793 Comment
  UC1536020  Pilularia americana Robert F. Thorne and Earl Lathrop 1975-5-20 45544 Riverside Rancho California Mesa de Burro; Santa Rosa Plateau 609 Comment
  UCR131461  Pinus coulteri June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
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Mar 29 2014
  SEINET13289896 Image available Pinus coulteri D. W. Woodland 1974-1 1966 Riverside 1 mile North of Idyllwild, Mt. San Jacinto Wilderness Area, Riverside County, California Comment
  SD127285  Pinus flexilis Reid Moran 1973-7-28 21110 Riverside Summit of Toro Peak 2500 Comment
  RSA660230  Pinus monophylla Michelle Cleveland 1981-2-14 10 Riverside Turn left at sign for Bighorn overlook, 13 miles from junction of Hwys [1]11&74. 1200 Comment
  UCSB15616  Pinus quadrifolia 1961-8-5 Riverside Along State Highway 74 at junction with road to Anza 1371 Comment
  RSA709443  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Colorado Desert: Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. 70 Comment
  SBBG34989  Plagiobothrys T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  SEINET9287644  Plagiobothrys Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  RSA747963  Plagiobothrys arizonicus Justin M. Wood 2009-5-11 704 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR177420  Plagiobothrys canescens Scott D. White, Michael Honer 2003-4-4 8944 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR225510  Plagiobothrys canescens A. C. Sanders 2011-3-29 38861 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
  UC218128  Plagiobothrys collinus P. A. Munz, and R. D. Harwood 1915-3 3378 Riverside 5 mi s Corona 304 Comment
  RSA715307  Plagiobothrys collinus var. californicus John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  UCR249835  Plagiobothrys collinus var. californicus T. B. Salvato, John Lovio 2013-3-19 7357 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  POM213630  Plagiobothrys leptocladus P. A. Munz 1941-5-18 16650 Riverside About 15 miles northeast of Temecula. Comment
  UCR121788A  Plagiobothrys leptocladus A. C. Sanders, Carolyn Washburn 2001-4-17 24042 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  RSA508002  Plagiobothrys tenellus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2306 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR266469  Plagiobothrys tenellus Mitch Provance, Robin Kinmont 2015-3-27 315- 53 Riverside Perris-Aguanga Basin Region, Murrieta Hot Springs, Leon Rd. (unmarked dirt portion) on unnamed hill c. 0.5 miles W of Skunk Hollow, vicinity of W terminus of Promontory Parkway. 430 Comment
  RSA234043  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-19 37972 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  RSA198937  Plantago bigelovii subsp. californica Robert F. Thorne, Ora M. Clark, E. W. Lathrop, S. Carlquist 1968-4-18 37445 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR225583  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-29 38872 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
  UCR240635  Plantago erecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 42 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR48361  Plantago erecta Steve Boyd 1986-5-1 1806 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR97695  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UCR101589  Plantago insularis Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR112091  Plantago ovata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23365 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR123829  Plantago ovata Steven R. Hill, K. Kramer 2001-4-27 33487 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  SD185279  Plantago patagonica A. C. Sanders, J. C. Dice, et al. 1995-3-29 16240 Riverside San Jacinto Mountains; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  UCR24221  Platanus racemosa John C. Roos 1938-3-20 725 Riverside Peninsular Range, Glen Ivy Spring, Temescal Valley Comment
  UCR91742  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR213539  Platystemon californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37834 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA129652  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 miles NW of Edon 49 Comment
  UC578616  Pleuraphis rigida H. S. Yates 1936-4-7 5431 Riverside 10 mi e Whitewater; Thermal Quad., e of Whitewater Comment
  CAS-BOT-BC326644  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mile off Mecca - Blythe Road, lower end of Lost Palms Canyon at 1st rocky hills, Colorado Desert 243 Comment
  HSC25078  Pleurocoronis pluriseta Richard Spjut 1972-2-1 2171 Riverside Colorado Desert; N base and slopes of the Chuckawalla Mts., ca. 3-4 mi. S of Desert Center 305 Comment
  CAS-BOT-BC326549  Pluchea sericea Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  SEINET3104756  Pluchea sericea Faulkner 1978-3-21 345 Riverside 9 mi N of Blythe, Hwy 95. 152 Comment
  UCR120341  Pluchea sericea Mitch Provance 1998-7-23 907 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR135982  Pluchea sericea A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27904 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  PASA1246  Poa bigelovii Frank W. Peirson 1921-3-22 Riverside Murray Canyon 457 Comment
  POM14436  Poa fendleriana P. A. Munz, I. M. Johnston 1922-5-21 5505 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA179487  Poa secunda E. W. Lathrop 1965-4-11 5649 a Riverside 10 mi. W. of Murrieta Comment
  RSA262071  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  UC1930101  Poa secunda Scott D. White, Justin Wood 2008-6-16 12147 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  RSA678954  Polycarpon tetraphyllum Scott D. White, Michael Honer 2003-6-3 9460 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CAS-BOT-BC413938  Polygonum aviculare subsp. aviculare H. A. Zuill 1966-6-27 244 Riverside 2-4 miles WSW of Murrieta Comment
  CLARK-A1528-3788  Polygonum lapathifolium Art Whistler 1966-5-18 8 Riverside University of California Comment
  UCR22042  Polypogon monspeliensis Steve Boyd 1980-5-15 274 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA651728  Polypogon monspeliensis Viki Cruz 1983-5-8 15 Riverside Collected on the banks of the stream one-half mile into Magnesia Canyon, Santa Rosa Mts. Comment
  CAS-BOT-BC356159  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  JOTR01282  Porophyllum gracile Cole, James E. 1941-5-21 757 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  UCR232780  Portulaca oleracea John F. Green 2008-4-16 0408- 44 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  POM12677  Potamogeton diversifolius Philip A. Munz 1922-9-6 6380 Riverside Hidden Lake 2439 Comment
  CAS-BOT-BC206994  Prosopis glandulosa var. torreyana S. B. Parish 1916-5-12 10865 Riverside Mecca, Colorado Desert 60 Comment
  RSA594516  Prosopis glandulosa var. torreyana D. L. Banks, Rashmi Pant 1996-5-13 1021 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79., Just N of the Cleveland National Forest Boundary. 472 Comment
  UCR17319  Prosopis glandulosa var. torreyana Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  UCR269109  Prosopis glandulosa var. torreyana Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4484 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  SBBG70929  Prunus emarginata R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  CAS-BOT-BC158290  Prunus fasciculata var. fasciculata Annie M. Alexander; Louise Kellogg 1941-5-14 2172 Riverside 2.5 miles south of Cottonwood Spring, Eagle Mountains 838 Comment
  JOTR32147  Prunus fasciculata var. fasciculata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2303 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SBBG71044  Prunus fremontii R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
  SD216523  Prunus fremontii Jay B. Walker, Noah C. Goldstein 1995-3-21 1266 Riverside West of Palm Desert along Highway 79, 3 kilometers east of Pinyon Flat Campground 1200 Comment
  SEINET3101944  Prunus virginiana var. demissa Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17371 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  SEINET3005043  Psathyrotes ramosissima G. Rink 2011-4-25 10479 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  UCR245244  Psathyrotes ramosissima Jim Andre 2012-3-19 21337 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  POM358759  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side canyon downstream from 'Big Pool' Andreas Canyon, N slope San Jacinto mts 335 Comment
  RSA614133  Pseudognaphalium biolettii D. L. Banks 1997-2-23 1300 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
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 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
  JOTR36419  Pseudognaphalium luteoalbum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3365 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  IRVC2826  Pseudotsuga macrocarpa T. Baskin 1965-4-21 s.n. Riverside Upper camp; Route 71. Comment
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Mar 27 2014
  UCR114955  Psilocarphus brevissimus var. brevissimus Fred M. Roberts 1992-4-25 4867 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR92372  Psilocarphus brevissimus var. brevissimus F. M. Reed 1933-9-20 8090 Riverside Perris-Aguanga Basin Region, mature plants from alkaline slough [along San Jacinto River] east of Bernasconi [=Lakeview] Hot Springs 396 Comment
  POM259739  Psilostrophe cooperi E. C. Jaeger 1939-12-16 s.n. Riverside Chuckawalla Springs 183 Comment
  UC69025  Psilostrophe cooperi H. M. Hall Apr 1905 5890 Riverside Chuckawalla Bench Colorado Desert Comment
  CAS-BOT-BC353582  Psorothamnus arborescens var. simplicifolius Roxana S. Ferris 1918-6-13 955 Riverside 2 miles east of Banning Comment
  JEPS41709  Psorothamnus arborescens var. simplicifolius M. F. Gilman 1904-1 51 Riverside Colorado Desert Comment
  UCR123759  Psorothamnus arborescens var. simplicifolius Steven R. Hill 2001-4-29 33546 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  CAS-BOT-BC353635  Psorothamnus emoryi J. Beley 1975-4-24 1531 Riverside 10 miles north of Palm Springs along paved T/L access Comment
  UCR25855  Psorothamnus emoryi John C. Roos, Lucille Roos 1949-4-6 4139 Riverside Sonoran (Colorado) Desert, east of Mecca Comment
  OBI32603  Psorothamnus schottii A. C. Sanders 1983-4-24 3800 Riverside NW end of the Orocopia Mts along hwy 195 +- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the road enters the Box Cyn 366 Comment
  POM229423  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  SBBG24924  Psorothamnus schottii D. Myrick 1966-4-1 1315 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  RSA91438  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  CAS-BOT-BC460529  Pterospora andromedea S. B. Parish; W. F. Parish 1881-7-24 968 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  CAS-BOT-BC421260  Pterostegia drymarioides John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges: City of Temecula, immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way. 396 Comment
  RSA392937  Pterostegia drymarioides Christopher Davidson 1973-4-1 1842 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  SD236383  Pterostegia drymarioides John F. Green 2006-5-2 Riverside Peninsular Ranges: City of Temecula, Immediately N and S of Murrieta Hot Spring Rd. Along San Diego Aqueduct right of way. 366 Comment
  UCR112974  Pterostegia drymarioides B. G. Pitzer, T. Tennant 1998-2-21 3542 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  UCR276077  Pterostegia drymarioides T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3796 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
  UCR50000  Pulicaria paludosa Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  RSA0030729  Purshia tridentata C. P. Cowan 1978-4-25 1259 Riverside San Bernardino National Forest. Pinon Flat Campground. Hwy 74, 8.9 mi (14.2 km) E of jct Hwy 74 and 371. Comment
  SD152819  Pycnanthemum californicum Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7681 Riverside S. Santa Ana Mtns, upper San Mateo Cnyn Wilderness Area 395 Comment
  SEINET10914610  Quercus X acutidens Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 674 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  UCSB1219  Quercus X morehus Neely, William 1948-10-3 Riverside Above highway near Idyllwild, San Jacinto Mts. 1828 Comment
  CAS-BOT-BC61823  Quercus agrifolia Samuel B. Parish 1891-11-4 2253 Riverside Murrieta Comment
  RSA0127036  Quercus agrifolia Tom Scott 2011-04 2011 -581 Riverside San Bernardino Mtns: south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  UC5828  Quercus berberidifolia H. M. Hall 1901-8-5 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UCR213894  Quercus berberidifolia Scott D. White, Justin M. Wood 2009-5-22 12887 Riverside San Jacinto Mountains, Garner Valley, abandoned duck pond near Quinn Flat 1366 Comment
  UCR264648  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 35 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  CAS-BOT-BC62437  Quercus chrysolepis Winifern W. Swarth 1914-9-27 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UCSB1263  Quercus chrysolepis Lauter, Wolfgang 1960-5-15 Riverside Pinyon Flats Campground, Palms to Pines highway 1219 Comment
  JEPS98071  Quercus cornelius-mulleri D. Wilken with E. Painter 2000-11-4 15867 Riverside ca. 4 mi E of Anza (N of Burnt Valley, SE base of Thomas Mountain); San Jacinto Mountains 1400 Comment
  UCD14093  Quercus cornelius-mulleri Stephen K. Langer 1995-4-6 s.n. Riverside California, San Diego Co.; Smuggler's Canyon, Anza-Borrego Desert State Park; Comment
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Feb 22 2013
  UCD45609  Quercus cornelius-mulleri Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
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Nov 6 2011
  RSA180340  Quercus engelmannii E. W. Lathrop 1965-3-29 5607 Riverside 12 miles west of Murrieta-Tenaja Range Comment
  SFV13129  Quercus kelloggii M. J. Thor 1982-9-18 153 A Riverside San Jacinto Mountains Idyllwild Park. Very rocky slopes 1 hour west of camp. 1677 Comment
  SJSU10151  Quercus kelloggii A. W. Jacobs 1938-8-1 Riverside Mt Tahquitz trail near Keen Ranger Station 1409 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
  UCR9306  Quercus wislizeni var. frutescens Ted Hanes 1966-11-21 s.n. Riverside San Bernardino Mtns, Millard Canyon, 7 mi north of Cabazon 1159 Comment
  HSC92902  Rafinesquia californica Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA608220  Rafinesquia californica R. S. Woglum 1941-5-17 3058 Riverside Peninsular Ranges / Sonora Desert transition: Horse Canyon off Coyote Canyon. Comment
  RSA701404  Rafinesquia californica Steve Boyd, Aydee Virgen 2004-4-13 10889 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC667302  Rafinesquia californica Annie M. Alexander and Louise Kellogg 1941-5-7 2130 Riverside 12 mi sw 29 Palms; Joshua Tree National Monument 1310 Comment
  CAS-BOT-BC362617  Rafinesquia neomexicana Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-3 604 Riverside Poorwill Canyon, Andreas Canyon area, Palm Canyon drainage, E slope San Jacinto Mtns. (Site A-6) 426 Comment
  RSA3968  Rafinesquia neomexicana C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 miles south of Browns Well, on the Blythe-Rice Road 244 Comment
  RSA516898  Rafinesquia neomexicana Steve Boyd, Orlando Mistretta 1986-3-13 1417 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA779584  Rafinesquia neomexicana Duncan S. Bell 2009-3-7 16 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SEINET7881837 Image available Rafinesquia neomexicana Helen K. Sharsmith 1952-1 4059 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles north east of Cottonwood Springs. 853 Comment
  UC56754  Ranunculus californicus H. M. Hall Apr. 1902 2889 Riverside Coahuilla Comment
  CLARK-A1528-785  Ranunculus cymbalaria subsp. saximontanus C. M. Flanagan 1973-5-20 OO 512 Riverside Morongo Indian Reservation 0 Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  UCR52324  Ranunculus hebecarpus B. G. Pitzer 1988-3-20 675 A Riverside Santa Ana Mtns., Cleveland National Forest, along the San Juan Loop trail, about 4 mi west of El Cariso Village, just across the hwy from Ortega Park Store 305 Comment
  RSA741014  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-6-18 12231 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UC1536931  Raphanus sativus Gordon H. True Jr. 1935-3-18 129 Riverside Pigeon Pass 457 Comment
  UCR24944  Rhamnus californica A. C. Sanders 1980-7-18 1642 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SD137643  Rhamnus ilicifolia Darin L. Banks 1995-3-16 96 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of theDripping Springs Alcove, Arroyo Seco drainage. 536 Comment
  UCR193919  Rhamnus ilicifolia A. C. Sanders, Mitch Provance 2008-7-11 35790 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
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  RSA784309  Rhododendron occidentale J. D. Olmsted 1958-6-15 167 Riverside San Jacinto River drainage area. Dark Canyon at intersection of N. Fk. San Jacinto River with Idyllwild-Banning Rd. 1509 Comment
  RSA787602  Rhododendron occidentale C. H. Tingley 1927-1 741 Riverside San Jacinto Mountains. Comment
  CLARK-A1528-5596  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  RSA613893  Rhus lancea A. C. Sanders, P. Mackay, T. Thomas, G. Helmkamp 1997-2-8 19686 Riverside Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  IRVC9327  Rhus lanceolata B. T. Gittins, O. F. Clarke 1966-1-15 885 a Riverside U.S. Dept. of Agriculture, Experimental Station, (Citrus and Date gardens); Indio. Sonoran Desert Comment
  UCR167851  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-2 1338 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR87634  Rhus ovata A. C. Sanders 1994-5-29 14549 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  RSA495803  Rhus ovata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2912 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA543125  Rhus trilobata Steve Boyd 1991-3-17 5473 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
  RSA714380  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  SD187324  Rhus trilobata Scott D. White, Angelia Carey 2004-4-16 10155 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UC1130542  Rhus trilobata A. Lewis May 1934 443 Riverside 1 mi e Ortega Highway; Cleveland National Forest 944 Comment
  CAS-BOT-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 Comment
  CAS-BOT-BC108717  Ribes cereum Mary F. Spencer 1919-7-6 1217 Riverside San Jacinto Mountains. Laquitz Meadow. 2377 Comment
  UCR122457  Ribes indecorum Scott D. White 1993-3-15 1195 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  SEINET13942611 Image available Ribes malvaceum Joseph Andorfer Ewan 1933-1 10896 Riverside Bushy canyong bottom. Tin Mine Canyon, Santa Ana mountains Comment
  RSA441494  Ribes malvaceum var. viridifolium D. A. Young 1969-4-12 p 442 Riverside Hwy 74 on the way to Idlewild. 579 Comment
  RSA441495  Ribes malvaceum var. viridifolium N. C. Cooper 1945-5-24 1636 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR2960  Ribes quercetorum Stewart Jacobson 1963-3-16 630316- 02 Riverside Box Springs Mtns, above UCR, [Big Springs] canyon at [east] end of Big Springs Rd. 518 Comment
  UC974961  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  RSA748785  Rorippa palustris subsp. occidentalis Justin M. Wood, Jamie Miner 2009-4-2 464 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR178336  Rosa californica Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 650 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  SD229265  Rubus parviflorus Dick Schwenkmeyer 2012-8-28 827 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SEINET156318  Rumex acetosella Norman C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  UCR201674  Rumex acetosella Scott D. White, Justin M. Wood 2008-6-18 12236 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  CAS-BOT-BC422287  Rumex californicus D. E. Breedlove 1961-8-5 943 Riverside Along Fuller Mill Creek, 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
  CLARK-A1528-3797  Rumex californicus John C. Roos 1952-5-26 5719 Riverside Reche Canyon 457 Comment
  UCR25812  Rumex conglomeratus John C. Roos 1952-6-10 5759 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  CAS-BOT-BC433585  Rumex hymenosepalus Scott D. White 1996-4-14 3910 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 550 Comment
  UCR115996  Rumex hymenosepalus A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  SD187462  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR202243  Rumex salicifolius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  SBBG45005  Ruppia maritima L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 mi SE Salton Bench Mark Co -76 Comment
  CLARK-A1528-5727  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  UC56963  Salazaria mexicana F. Gilman 1902-1 7 Riverside Palm Springs Comment
  UC1136469  Salicornia virginica A. Lewis 1934-5-19 453 Riverside Lakeview Elsinore Quad. 426 Comment
  UCR199673  Salicornia virginica Scott D. White, Justin M. Wood 2008-6-26 12296 Riverside Perris Basin, Hwy I-215 at stream crossing, just west of golf course and just north of Newport Road 434 Comment
  POM319274  Salix exigua Patricia Wilder 1971-3-20 4907 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UCR155083  Salix exigua A. C. Sanders, Kelly Volansky 2005-3-17 29240 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CAS-BOT-BC108144  Salix gooddingii D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2868 Riverside Pushawalla Canyon, Indio Hills Comment
  LA208662  Salix gooddingii Carl Epling; 1927-3-27 Riverside Thousand Palms Comment
  POM202536  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside North of Elsinore 305 Comment
  RSA509527  Salix gooddingii 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
  POM319275  Salix laevigata Patricia Wilder 1971-3-20 4909 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  SEINET244773  Salix laevigata A. C. Sanders, Mark Elvin; M. S. Enright 2002-4-16 24973 Riverside The Badlands; Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UCR241398  Salix laevigata T. B. Salvato 2013-3-22 7392 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR139633  Salix lasiolepis A. C. Sanders 2004-6-30 28402 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  RSA651770  Salix lasiolepis var. lasiolepis Carol Zuck 1981-2-16 35 Riverside On Santa Rosa Road, 3.1 miles east of Lake Mathew Road. [Between Corona and Perris] Comment
  RSA192152  Salsola tragus E. W. Lathrop 1965-9-22 6023 Riverside 8 miles west of Murrieta; plateau of the Santa Ana Mts. 610 Comment
  UCR108493  Saltugilia australis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16183 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  RSA771348  Saltugilia latimeri Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4823 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
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Jul 19 2015
  UC534838  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  SBBG101700  Salvia carduacea S. Boyd, T. Ross, M. Hammitt 1991-5-2 6112 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371 600 Comment
  POM4121  Salvia columbariae M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA23267  Salvia columbariae Ernest Braunton 1940-03 2036 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA401472  Salvia columbariae Robert L. Rutherford 1945-5-24 1648 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA401510A  Salvia columbariae Jeannette B. Edge 1934-3-25 s.n. Riverside Jurupa Mountains 549 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
  SD130326  Salvia columbariae Ed Larue 1990-4-13 Riverside 0.5 Mi NW of town of Aguanga, N of Hwy 79 & W of Hwy 371; ca. 1.5 air mi. N of San Diego Cnty Line 640 Comment
  UCR174371  Salvia columbariae A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32657 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
  UCSC001513  Salvia columbariae Peter Kamb 1948-4-11 898 Riverside Banning-Indio Highway east of Whitewater Wash. Banning-Indio Highway, Whitewater Wash. - Coachella Valley 457 Comment
  CLARK-A1045-181  Salvia dorrii George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCLA69708  Salvia eremostachya C. Epling and Mrs. Epling 1937-6-6 Riverside 0.6 mi below Shumway (Palms to Pines Hwy) Comment
  SD16503  Salvia greatae Fidella G. Woodcock Apr 1922 Riverside 30 miles from Mecca, 6.0 miles from Dos Palmas, near Salton Sea. Comment
  RSA601078  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 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
  RSA751926  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  SD225011  Salvia mellifera A. C. Sanders, G. Wainer, B. Ehdaie, A. Aryavand 1997-3-12 19871 Riverside Lake Kninner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  SEINET10499109  Salvia mellifera James S. Miller 1992-5-8 Miller 7454 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCLA69959  Salvia mellifera L. Haines and L. Erickson 1937-4-9 Riverside near Winchester turn-off (Riverside to Hemet road) Comment
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Mar 20 2011
  UCR154409  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-6-15 30942 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
  JOTR29144  Salvia mohavensis La Doux, Tasha 2005-6-15 1221 Riverside Joshua Tree National Park. Lost Horse Valley; south of Barker Dam trailhead 1310 Comment
  UCLA54125  Salvia mohavensis C. Epling and H. Lewis 1942-6-17 Riverside Keys View; Joshua Tree National Monument Comment
  POM97987  Salvia mohavensis E. C. Jaeger 1926-3-4 s.n. Riverside Eagle Mountains. 1189 Comment
  POM50362  Salvia pachyphylla subsp. pachyphylla H. M. Hall 1901-06 2160 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  UC111323  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Springs Western edge of the Colorado desert 60 Comment
  SEINET10643229  Sambucus caerulea Greg Gust, Leith Nye 2005-3-10 Gust 533 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  CAS-BOT-BC238859  Sambucus nigra subsp. caerulea H. M. Hall 1901-6-1 2216 Riverside San Jacinto Mountains. Onstatt's Valley 1615 Comment
  UCR92657  Sanicula arguta Scott D. White 1996-3-31 3867 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA552728  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross 1992-3-31 6770 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  CLARK-A1045-125  Sarcostemma hirtellum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UC635669  Sarcostemma hirtellum Margaret Stason 1927-2-12 Riverside Thousand Palm Canyon Colorado Desert, Thousand Palm Canyon Comment
  UCR217505  Satureja chandleri Ana Hernandez 2009-4-28 008 Riverside Santa Ana Mtns: foothills, Santa Rosa Plateau, near Tenaja Rd., on north-facing slope and drainage 512 Comment
  SEINET10634924  Schinus molle Greg Gust, Leith Nye 2005-3-11 Gust 538 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  CHSC109029  Schismus arabicus Justin M. Wood; J. Miner 2010-4-29 1531 Riverside Coachella Valley; Bermuda Dunes; near intersection of Avenue 38 and Varner Rd. 40 Comment
  RSA777677  Schismus arabicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 983 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR214694  Schismus arabicus A. C. Sanders 2010-3-25 37629 Riverside Sonoran (Colorado) Desert; Salton Trough, northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  JOTR33989  Schismus barbatus La Doux, Tasha, M. Harding 2010-4-7 2877 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
  RSA770304  Schismus barbatus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4489 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
  RSA774307  Schismus barbatus Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2194 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA85530  Schismus barbatus Baker 1954-4-13 s.n. Riverside San Gorgonio Pass 366 Comment
  CAS-BOT-BC111279  Schoenoplectus acutus var. occidentalis Crawford; Johnson 1917-6-9 1226 Riverside Santa Ana River near Corona along stream. Comment
  POM157930  Schoenoplectus americanus Phillip A. Munz 1927-5-21 10840 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  POM153368  Schoenoplectus maritimus Phillip A. Munz, I. M. Johnston 1928-9-12 11243 Riverside North end of Lake Elsinore. Comment
  UCR33639  Schoenoplectus pungens var. longispicatus Faulkner 1978-4-27 493 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  CSUSB906  Scrophularia californica M. Quinlan 1974-5-25 Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  UCR137043  Scrophularia californica A. C. Sanders 2004-5-5 27785 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR121248  Scrophularia californica subsp. floribunda Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  LA55077  Scutellaria mexicana James Lauter; 1953-5-25 sn Riverside 11 mi. S of Indio-Palm Springs Highway on US Hwy 74 1219 Comment
  UC456124  Scutellaria siphocampyloides I. J. Condit 1910-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Mar 12 2011
  UCR156364  Selaginella bigelovii T. B. Salvato, Kent Beaman 2005-5-16 882 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CAS-BOT-BC62083  Selaginella eremophila S. B. Parish 1907-4-18 6111 Riverside Western edge of the Colorado Desert 200 Comment
  JEPS30395  Senecio H. Lewis 1960-5-14 1249 Riverside 2.1 mi se Cranston Ranger Station (on road to Idyllwild, San Jacinto River Wash); San Jacinto River Comment
  RSA500984  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3103 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  UCR18572  Senecio californicus John C. Roos 1966-4-5 s.n. Riverside Winchester Comment
  CAS-BOT-BC323971  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  CAS-BOT-BC323992  Senecio flaccidus var. douglasii Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at N base of Santa Rosa Mts. 1036 Comment
  RSA472962  Senecio flaccidus var. douglasii Erwin Miller, Jack Reupelt 1934-4-28 s.n. Riverside Pass between Lost Horse and Pleasant Valley. 1220 Comment
  UC35965  Senecio flaccidus var. monoensis Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA518768  Senecio mohavensis O. F. Clarke 1973-4-1 s.n. Riverside Sonoran Desert, on a plateau above Box Canyon, along State Hwy 195, ca. midway between Hwy I-10 and the Salton Sea. Comment
  RSA727602  Senecio mohavensis Naomi Fraga, Lisa Rojas 2005-2-10 1392 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SBBG87940  Senecio mohavensis A. C. Sanders 1986-3-3 6137 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  UCR52152  Senecio mohavensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SD137852  Senecio vulgaris Darin L. Banks 1995-3-15 54 Riverside Northwest Palomar Mountains, north face of Agua Tibia Mountain, Dorland Mountain area 687 Comment
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Apr 28 2009
  SBBG124871  Sequoia sempervirens S. C. White, J. M. Wood 2009-5-22 12922 Riverside Halfway Spring, accessed via Old Control Rd 1159 Comment
  UCR59700  Sesbania herbacea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley; hayfield on W side of state Hwy 78, 0.7 mi north of Palo Verde 71 Comment
  UC1930966  Sesuvium verrucosum R. E. Riefner Jr. 2008-8-25 05 -648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. Comment
  UCR157942  Setaria adhaerens T. B. Salvato, A. C. Sanders 2005-5-17 911 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  LA205893  Sidalcea malviflora W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA559453  Sidalcea malviflora Steve Boyd, T. S. Ross 1992-5-5 7215 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  CAS-BOT-BC109426  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  UCR167866  Silene antirrhina T. B. Salvato, Melissa Clemons 2005-6-2 1352 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  CAS-BOT-BC384578  Silene coniflora Steve Boyd; Darin Banks 1994-4-5 8264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  RSA612478  Silene gallica D. L. Banks 1997-2-23 1339 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
  RSA131711  Silene laciniata subsp. major E. K. Balls 1958-6-27 23295 Riverside 3.1 miles NW along Indian Truck Trail from jnt. with Main Divide, Santa Ana Mountains. 91 Comment
  RSA801946  Silene verecunda subsp. platyota LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6157 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SD67925  Silene verecunda subsp. platyota Reid Moran 1968-8-3 15363 Riverside Ridge 1.0 mile northwest of Toro Peak. 2250 Comment
  HSC25922  Simmondsia chinensis R.