Search Results — 2000 specimen records retrieved (1913 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229340  Abronia villosa Peter H. Raven 1958-1-23 11426 Riverside Fringing United States Highway 99, 6.5 miles north-west of Indio Comment
  CAS-BOT-BC229352  Abronia villosa L. R. Abrams 1926-3-26 11023 Riverside Palm Springs Comment
  RSA19900  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside Hemet Lake 1300 Comment
  RSA593979  Abronia villosa var. aurita D. L. Banks, Elizabeth Hedge Banks 1996-5-2 966 Riverside NW Palomar Mountains; Agua Tibia Mountains; WSW of Dorland Mtn., in the Pechanga Indian Reservation; Along the sandy margins of Pechanga Creek, approximately 15 m E of Pala Road. 351 Comment
Read comments
May 12 2011
  RSA735606  Abronia villosa var. aurita LeRoy Gross, Duncan S. Bell 2008-9-16 3582 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  CHSC100690  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  RSA717471  Abronia villosa var. villosa Scott D. White, Andrea Warniment 2006-3-22 11268 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCD159798  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  UCR22485  Abronia villosa var. villosa C. S. Jones 1979-2-24 9 Riverside Sonoran (Colorado) Desert, 6 mi. from Desert Center, NE Rice Road 183 Comment
  POM13607  Acamptopappus sphaerocephalus var. sphaerocephalus E. C. Jaeger 1921-4-1 1138 Riverside Mission Creek Wash Comment
  POM294267  Acamptopappus sphaerocephalus var. sphaerocephalus Lyman Benson 1945-4-6 11658 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  RSA314634  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55428 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCSB26800  Achillea millefolium Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns. Comment
  RSA599121  Achnatherum coronatum V. W. Steinmann, D. L. Banks 1996-4-20 837 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 500 Comment
  CAS-BOT-BC218032  Achnatherum latiglume Jason R. Swallen 1927-6-23 656 Riverside Idyllwild, San Jacinto Mountains Comment
  SEINET260234 Image available Achnatherum latiglume M. Curto, LS Allen 1991-6-26 766 Riverside San Bernardino National Forest ; Thomas Mt nr former lookout tower site summit rd SW off San Bernardino NF Rd 5S15 2060 Comment
  POM301785  Achnatherum speciosum J. Cole 1942-4-11 950 Riverside Split Rock Area, Joshua Tree National Monument, Riverside County. alt 4000ft 1220 Comment
  CAS-BOT-BC384718  Achyronychia cooperi Alice Eastwood 1913-4-30 3039 Riverside Palm Springs Comment
  POM122371  Achyronychia cooperi Marcus E. Jones 1925-4-24 s.n. Riverside Banning. Comment
  RSA423491A  Achyronychia cooperi Anstruther Davidson 1983-4-10 s.n. Riverside Palm Springs. Comment
Read comments
Mar 20 2013
  SBBG100716  Achyronychia cooperi W. L. Halvorson 1977-3-8 77 -87 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR166539  Achyronychia cooperi Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10877 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCD103980  Acmispon argophyllus R. N. Raynor 1933-7-1 s.n. Riverside location unknown. Comment
  RSA0124001  Acmispon argyraeus var. argyraeus Duncan S. Bell, Thomas Stoughton 2016-4-13 9249 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  SDSU13378  Acmispon glaber var. brevialatus C. Matt Guilliams, Taxonomy of Cal. Native Plants- Bio 531 2000-4-29 Riverside Comment
  UCR256896  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Peninsular Range; San Jacinto Mtns., 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
  RSA0123157  Acmispon maritimus var. brevivexillus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8967 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
  SD67917  Acmispon nevadensis var. nevadensis Reid Moran 1968-8-3 15370 Riverside North slope, 1.0 mile west of Summit, Santa Rosa Mountain. 2150 Comment
  SDSU4351  Acmispon strigosus Bruhns 1965-5-22 108 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Comment
  CLARK-A1528-804  Adenostoma fasciculatum C. M. Flanagan 1973-5-31 OO 626 Riverside Morongo Indian Reservation 975 Comment
  SEINET3077253 Image available Adenostoma fasciculatum B. Pitzer 1986-5-24 231 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 732 Comment
  UCR155301  Adenostoma fasciculatum A. C. Sanders 2005-5-4 29850 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR178203  Adenostoma fasciculatum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 643 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  UCR270746  Adenostoma fasciculatum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8362 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCSB39101  Adenostoma sparsifolium Jorgensen, Jan 1982-1-19 Riverside 6 kilometers up Santa Rosa Mountain Road from highway 74, near Palm Desert, San Jacinto Mountains. 548 Comment
  RSA687684  Adiantum capillus-veneris Marjorie D. Clary 1932-6-5 1954 Riverside Eagle Canyon, W side Colo. D. 457 Comment
  RSA84991  Adiantum capillus-veneris F. W. Peirson 1919-4-13 1521 Riverside First canyon east of Palm Canyon, Palm Springs region. Comment
  RSA0036104  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside Andreas Canyon. 457 Comment
  RSA586096  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-3-30 119 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  SD186012  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce St. 305 Comment
  SEINET10534193  Agave deserti A. K. Evans 1976-4-13 Evans 5135 Riverside Rocky slopes of Santa Rosa mountains. Comment
  CAS-BOT-BC46154  Agoseris heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mts. 1371 Comment
  RSA507956  Agoseris retrorsa Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2274 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA783630  Agoseris retrorsa J. D. Olmsted 1962-5-3 Riverside East slope of Baldy Mt., along pines to Palms Hwy., 1.5 mi S of 4936' summit south of Mt. Center 1505 Comment
  SD260152  Agrostis idahoensis Mitch Provance 2015-7-23 715 5 Riverside San Jacinto Mountains: Fern Valley, Strawberry Creek, vicinity of Rim Rock drive (San Jacinto Peak 7.5'Q) 1866 Comment
  RSA674734  Agrostis pallens Scott D. White, K. Szabo 2000-5-31 7986 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  SEINET954736  Agrostis viridis T. B. Salvato, Sarah Flack 2007-1 3029 Riverside San Gabriel Mtns: East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle. 201 Comment
  UCR171136  Ailanthus altissima John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UCR162619  Alchemilla occidentalis Abby Sirulnik 2003-4-1 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Lopez Canyon, near Lake Skinner 610 Comment
  RSA469419  Aliciella latifolia Christopher Davidson 1979-4-4 7675 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA4887  Aliciella latifolia C. B. Wolf 1932-4-27 3303 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA776336  Allionia incarnata Duncan S. Bell, Amanda Turek 2010-4-10 819 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR233943  Allionia incarnata Duncan S. Bell 2011-10-22 2996 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR237637  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine, c. 2 air mi northeast of Riverside Mountain Peak 215 Comment
  POM368116  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  CAS-BOT-BC536069  Allium haematochiton Youssef C. Atallah 2016-4-27 s.n. Riverside San Bernardino Mtns. Foothills: Banning, Bluff S., c. 1 mile beyond the end of San Gorgonia Ave., c. 2.1 mi N of I-10 Fwy 882 Comment
  CAS-BOT-BC472711  Allium lacunosum var. lacunosum W. L. Jepson; H. M. Hall 1901-5-17 1858 Riverside Riverside to Santa Rosa Peak and Palomar, East base San Jacinto Mt 1280 Comment
  RSA0135523  Allium munzii David E. Bramlet 2017-4-13 5258 Riverside West base of Elsinore Peak. 5 miles south of the Ortega Highway, 210 ft. east of the South Main Divide Road, and 78 ft. north of the Elsinore Peak access road. Cleaveland National Forest. 1016 Comment
  RSA543618  Allium munzii Steve Boyd 1991-5-7 6153 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR120806  Allium munzii Ian G. Gillespie 2000-4-19 9 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR42429  Allium munzii Steve Boyd 1986-4-10 1641 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  JOTR30919  Allium parishii La Doux, Tasha, Bill Truesdell 2008-4-29 2595 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 7) 1208 Comment
  SBBG101703  Allium peninsulare S. Boyd with T. Ross, M. Hammitt 1991-5-2 6090 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  RSA543894  Allophyllum glutinosum Steve Boyd 1991-5-20 6275 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  SD60432  Alnus rhombifolia Reid Moran 1964-7-27 11856 Riverside Canyon of Santa Margarita River, 2.5 miles south-southwest of Temecula 199 Comment
  UCR85527  Alopecurus saccatus Scott D. White 1993-4-25 1273 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
Read comments
Dec 21 2010
  RSA90202  Alopecurus saccatus F. W. Peirson 1922-5-19 3021 Riverside 10 miles northeast of Murrieta. 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
  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
  JOTR30690  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2008-9-13 269 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  RSA2871  Amaranthus fimbriatus C. B. Wolf 1931-10-14 2455 ` Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  UCR16084  Amaranthus retroflexus S. R. Szarek 1969-4-11 s.n. Riverside near intersection of Mission Blvd & Flemming St., Glen Avon Comment
  CAS-BOT-BC61398  Amauriopsis dissecta Philip A. Munz 1938-8-14 15364 Riverside East of Toro Peak, Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC22609  Ambrosia dumosa J. T. Howell 1928-3-25 3538 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC22614  Ambrosia dumosa Javier Penalosa 1963-4-10 2782 Riverside Deep Canyon, 3 mi. S of Palm Desert. 213 Comment
  IRVC730  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-5-30 SJ 84 Riverside Above Palm Desert. Sonoran Desert/Santa Rosa mtns 305 Comment
  RSA416972  Ambrosia dumosa P. J. Remple 1942-3-1 s.n. Riverside Dead indian Creek, Santa Rosa Mtns. Comment
  RSA676121  Ambrosia dumosa Scott D. White 2001-4-3 8250 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SFV6344  Ambrosia dumosa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 60 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR128943  Ambrosia dumosa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR262464  Ambrosia dumosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41506 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
  UCR18583  Ambrosia ilicifolia John C. Roos, Lucille Roos 1949-4-10 4230 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, canyon 3.5 mi. SE of Desert Center 612 Comment
  UCR124140  Ambrosia psilostachya Steve Boyd, T. S. Ross 1989-8-28 3805 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UCR239932  Ambrosia psilostachya O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR261171  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41726 Riverside Elsinore Trough, north of Elsinore on east side of Baker St., 0.13 km NNE (14 deg. ) of end of Turnbull Ave. at Baker St. junction 398 Comment
  RSA789750  Ambrosia salsola David Fraker, Aaron Sedgwick 2012-5-9 96 Riverside Along the Bradshaw Trail, south of the Orocopia Mtns ~4 mi. southwest of the Orocopia Mtns. Wilderness Area. ~3/4 mi. west of the Coyote Rd. intersection. 231 Comment
Read comments
May 1 2016
  SEINET10908528  Ambrosia salsola A. K. Evans 1976-4-13 Evans 5205 Riverside Desert canyons of Santa Rosa Mountains. Comment
  SJSU4445  Amorpha fruticosa R. L. MacDonald 1962-4-17 Riverside Palm Canyon, E slope San Jacinto Mtn near Palm Springs Comment
  UCR150015  Amorpha fruticosa Scott D. White, Angelia Carey 2004-4-16 10163 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC26856  Amsinckia ctenocarpa Emmet Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UCR260834  Amsinckia intermedia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41521 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  CLARK-A1528-970  Amsinckia menziesii Patricia A. Andrews 1975-3-13 5902 Riverside Rubidoux Comment
  UCR116407  Amsinckia menziesii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24191 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  RSA799079  Amsinckia menziesii var. menziesii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  SD178189  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. southeast of summit of Gavilan Peak. 625 Comment
  UC878736  Amsonia tomentosa I. W. Clokey 1935-4-17 6792 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  UCR89654  Amsonia tomentosa Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  JOTR35463  Anisocoma acaulis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  SEINET3145663  Antennaria rosea subsp. rosea H. M. Hall 2401 Riverside Tamarack Valley 2835 Comment
  JEPS5300  Antirrhinum coulterianum Carl V. Meyer 1929-6-13 755 Riverside Chalk Hill; San Jacinto Mts. 1524 Comment
  UCR133654  Antirrhinum coulterianum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  POM9394  Antirrhinum coulterianum I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  JEPS16181  Antirrhinum filipes Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4043 Riverside 3 mi n Shavers Summit (close to head of Los Palms Canyon); Joshua Tree National Monument 762 Comment
  UCR239202  Antirrhinum nuttallianum subsp. nuttallianum Steven R. Hill, A. C. Sanders 2001-5-4 33713 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  SEINET7048203  Antirrhinum nuttallianum subsp. nuttallianum Steven R. Hill, Andrew C. Sanders 2001-5-4 33713 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCR121170  Antirrhinum nuttallianum subsp. subsessile D. E. Bramlet 1989-5-20 1876 Riverside Bachelor Mtn., S-facing slope of mountain, 1,500 ft. (0.28 mi.) north of Lake Skinner and 3,000 ft. (~0.5 mi.) E [NE] of the Dam. 537 Comment
  HSC21458  Apiastrum angustifolium C. L. Hitchcock 1966-3-16 24188 Riverside About 5 mi. NE of Aguanga Comment
  CLARK-A1528-136  Apium graveolens Margaret Ferro 1970-5-16 19 Riverside Jurupa 365 Comment
  SD187326  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  SDSU13348  Apocynum cannabinum Joseph Verfaillie, Shasta Gaughen 2000-4-29 48 Riverside Santa Margarita Eclogical Reserve, (SDSU) The north side of the Santa Margarita river about 1/4 mile west of the pipe line crossing. About 5-15 feet from the river. 235 Comment
  RSA740071  Arabis glabra Scott D. White, Justin M. Wood 2008-6-16 12134 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR35194  Arabis johnstonii L. B. Ziegler 1968-4-20 282 Riverside San Jacinto Mtns, Rocky hills at foot of old road to Old Morris Ranch (near Quinn Flats) 1387 Comment
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  POM202933  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA0040386  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside Idyllwild area, SW of Pine Cove & west of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd Cyn) 1707 Comment
  RSA629169  Arctostaphylos Jon E. Keeley 1992-7-17 16810 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA629435  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16849 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA596717  Arctostaphylos glandulosa subsp. glandulosa L. C. Wheeler 1960-5-11 7697 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  SD255138  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49727 Riverside Santa Ana Mountains: Bear Spring (east slope of Santiago Peak). Comment
  RSA629374  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16861 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629418  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19499 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
  JEPS2738 Image available Arctostaphylos glauca W. L. Jepson 1914-5-18 6004 Riverside Pinon Well grade Colorado Desert, Pinon Well Mts.; Pinon Well grade, Pinon Well Mts., Colorado Desert Comment
  RSA631789  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16735 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA701752  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA387365  Arctostaphylos glauca var. glauca Steve Boyd 1986-4-19 1704 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA633549  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21782 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633579  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20132 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633623  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16697 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633703  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16673 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  UCR4058  Arctostaphylos pringlei Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 10 mi from Banning toward Idyllwild 1067 Comment
  CAS-BOT-BC44332  Arctostaphylos pringlei subsp. drupacea E. A. McGregor 1941-6-12 8 Riverside Idyllwild, San Gabriel Mountains Comment
  CAS-BOT-BC44364  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-6-1 207 Riverside Saunders Meadow, San Jacinto Mts. 1706 Comment
  CHSC90113  Arctostaphylos pringlei subsp. drupacea Donald G. Miller III 1998-7-26 Riverside Santa Rosa Mountain Road, 1 km south of Highway 74. [Longitude on label is 117 degrees 30' 71'.] 1400 Comment
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Nov 8 2020
  RSA635690  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16597 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA635789  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16526 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635797  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16553 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA78244  Arctostaphylos pungens P. A. Munz, E. K. Balls 1952-8-21 17965 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  RSA585641  Arctostaphylos rainbowensis D. L. Banks, S. D. Boyd 1995-3-15 0076 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  RSA635991  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19536 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  RSA635996  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21608 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  UCR103733  Argemone munita A. C. Sanders 1997-3-19 20028 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  CAS-BOT-BC202502  Argythamnia serrata F. W. Peirson 1922-12-28 4437 Riverside Andreas Canyon, Colorado Desert 243 Comment
  CAS-BOT-BC137656  Aristida adscensionis Carl B. Wolf 1932-4-29 3092 Riverside Eastern Colorado Desert. West edge of Maria Mountains 17 miles from Blythe on Rice Road. 152 Comment
  JEPS22522  Aristida adscensionis Rimo Bacigalupi with Paul Hutchison 1958-2-19 6188 Riverside 9.4 mi n Blythe (wash at w base of mts.); Big Maria Mts. 167 Comment
  RSA700953  Aristida adscensionis Gary D. Wallace 1982-5-15 2000 Riverside Palms to Pines Highway, 7 level hill. Comment
  UCR144088  Aristida adscensionis Scott D. White 1999-4-20 7275 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR233942  Aristida adscensionis Duncan S. Bell 2011-10-22 2992 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  JOTR37451  Aristida purpurea var. fendleriana Hodges, Stephen, T. Green 2016-5-24 573 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UC576345  Aristida purpurea var. fendleriana H. S. Yates 1937-6-27 6722 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCR274670  Aristida purpurea var. fendleriana Stephanie Rockwood, Christi Gabriel 2011-11-1 193 Riverside Sonoran (Colorado) Desert, Pallen Dunes Road, Ford Dry Lake area, Hwy I-10, exit 217, Chuckwalla Valley 107 Comment
  RSA741056  Aristida purpurea var. longiseta Scott D. White, Justin M. Wood 2008-6-5 12063 Riverside Quinn Flat Meadow. 1372 Comment
  CAS-BOT-BC137529  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside North base of San Jacinto Mountains. Snow Creek Canyon. 0.5 mile below Fish Hatchery. 548 Comment
  UCR110452  Artemisia biennis D. E. Bramlet 1998-6-25 2640 Riverside Perris-Aguanga Basin region, North Domenigoni Hills. 1.83 km east of Warren Road and 1 km south of Harrison Avenue, 244m east of the access road to the EMWD storage tank 495 Comment
  RSA561506  Artemisia californica Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7668 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR166709  Artemisia californica Scott D. White 2005-7-6 11155 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  SDSU12969  Artemisia douglasiana Michael G. Simpson 1999-10-27 2037 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SD67909  Artemisia dracunculus Reid Moran 1968-8-3 15351 Riverside open northeast slope, ridge 1 mile northwest of Toro Peak 2250 Comment
  RSA289831  Artemisia ludoviciana subsp. albula B. A. Prigge 1980-8-25 4025 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific R.R. 451 Comment
  UC129480  Artemisia ludoviciana subsp. incompta H. M. Hall 1907-7-2 8006 Riverside vicinity of Riverside; Santa Ana River bottoms 274 Comment
  HSC25814  Asclepias albicans R. W. Spjut 1972-2-12 2189 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  UC1951126  Asclepias asperula Scott D. White, Justin Wood 2009-5-22 12894 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  RSA70334  Asclepias californica F. W. Peirson 1922-4-29 4255 Riverside Leach Canyon. ( base of Santa Ana Mts., near Elsinore) 534 Comment
  UC22960  Asclepias californica H. M. Hall June 1901 2210 Riverside s side San Jacinto Mountains 1706 Comment
  POM12425  Asclepias eriocarpa P. A. Munz 1922-9-5 6369 Riverside Fern Valley. Ocassioanl under pines 1982 Comment
  RSA795942  Asclepias erosa Duncan S. Bell 2009-4-19 278 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  OBI35669  Asclepias subulata Louis B. Ziegler 1967-4-15 125 Riverside Coachella Valley 30 Comment
  SD241649  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave; at corner of Chapman Place (Riverside West 7.5'Q) 257 Comment
  CLARK-A1528-6  Asparagus officinalis John C. Roos 1951-10-24 5343 Riverside Pedley 243 Comment
  SEINET13276755 Image available Asparagus officinalis Mitch Provance 2012-1 196 -08 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  CHSC8463  Astragalus Edward Laidlaw Smith 1958-3-22 397 Riverside Sand dunes 3 mi. s. Rice. Little Santa Maria Mt. Range. Colorado River drainage area. 335 Comment
  UCR166013  Astragalus aridus Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR116420  Astragalus coccineus A. C. Sanders 1974-1 00308 Riverside Santa Rosa Mtns., south of Hwy 74 near Pinyon Flats, along the Cactus Spring Trail between the dolomite mine and Horsethief Creek 1220 Comment
  JOTR01057  Astragalus coccineus Cole, James E. 1941-4-15 601 Riverside Joshua Tree National Park. .05 MILES ABOVE PINON WELL Comment
  CAS-BOT-BC177732  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  RSA415465  Astragalus didymocarpus Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  JOTR33848  Astragalus didymocarpus var. dispermus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3060 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy wash leading to Pinto Wash 354 Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  CAS-BOT-BC178440  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  CAS-BOT-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
  UC63673  Astragalus douglasii var. parishii H. M. Hall June 1901 2229 Riverside in the vicinity Strawberry Valley (San Jacinto Mountains); , vicin Strawberry Valley 1584 Comment
  UCR168456  Astragalus filipes Orlando Mistretta, Mark A. Elvin 1995-6-19 1780 Riverside Peninsular Ranges; San Jacinto Mountains, State Hwy 74 [San Jacinto River Canyon above Cranston Guard Station, vicin. of old Idyllwild Control Rd.] 1433 Comment
  UCR117315  Astragalus gambelianus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 722 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR50989  Astragalus layneae B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 0599 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  RSA498235  Astragalus lentiginosus var. coachellae F. W. Peirson 1920-2-17 s.n. Riverside Whitewater River, Colorado Desert, river at bridge. Comment
  SD204885  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts. Between Snow Creek Road and Highway 111. 366 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
  RSA415626  Astragalus nuttallianus var. imperfectus M. B. Dunkle 1935-3-31 4445 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  RSA525233  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross 1990-5-11 4610 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  JOTR34175  Astragalus palmeri Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 136 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  POM145407  Astragalus palmeri J. B. Feudge 1926-5-9 1871 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  POM26330  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  POM183481  Astragalus tricarinatus Joseph A. Ewan 1930-4-18 3096 Riverside Dry Morongo Creek below Morongo valley. 518 Comment
  RSA482218  Athyrium filix-femina Richard Noyes, L. Arnseth 1988-9-11 738 Riverside San Jacinto Mountains: Lake Fulmor, 6 air miles northwest of Idyllwild. 1616 Comment
  PASA917  Atrichoseris platyphylla Margaret Stason 1929-4-28 Riverside Hidden Springs 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
  UCR41750  Atrichoseris platyphylla A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6047 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  UCR51785  Atrichoseris platyphylla Geo. Cantwell 1935-4-8 s.n. Riverside Sonoran (Colorado) Desert, McCoy Spring, McCoy Mountains Comment
  RSA0048562  Atrichoseris platyphylla A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  RSA714022  Atriplex argentea subsp. expansa R. E. Riefner 2004-8-27 4 -396 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt acess road to Hidden Valley Wildlife Reserve. 221 Comment
  SEINET3930666  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway sliding), 4.5 miles Southeast of Mecca, Colorado Desert. Lower Sonoran Zone.; 0 610 Comment
  CAS-BOT-BC170215  Atriplex canescens subsp. canescens Ivan Johnston 1917-4-4 1033 Riverside Near Palm Springs - Colorado Desert 182 Comment
  LA204701  Atriplex canescens subsp. canescens Norman C. Cooper; 1943-10-9 954 Riverside Hemet 304 Comment
  UCR214708  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37627 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 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
  SBBG65383  Atriplex hymenelytra S. W. Hutchinson 1928-2-1 107 Riverside Thousand Palms 243 Comment
  POM184641  Atriplex lentiformis L. C. Wheeler 1931-11-27 387 Riverside 3 miles SE of Salton Bench Mark. -76 Comment
  CAS-BOT-BC170069  Atriplex parishii H. M. Hall 1901-6-1 2146 Riverside Eastern base, along the borders of the Colorado Desert. Comment
  CAS-BOT-BC176532  Atriplex polycarpa K. Bonner 1977-10-30 2574 Riverside Ford Dry Lake Comment
  RSA760984  Atriplex polycarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 146 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA592424  Atriplex rosea J. C. Roos 1965-8-4 s.n. Riverside Arlington Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  SEINET4136167  Atriplex serenana D. Bramlet 1991-6-1 2179 Riverside 3 km west of Nuevo and some 20 m. east of the San Jacinto River. The population is some 300 m. south of the end of 11th Street, just east of an existing dirt road.; 0 Comment
  SEINET4136176  Atriplex serenana var. davidsonii Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinto Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
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Feb 13 2019
  UCR182322  Atriplex suberecta Mitch Provance 2003-4-18 6605 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  POM300738  Avena barbata Mary L. Bowerman 1931-5-13 845 Riverside Pine Canyon floor 1 mi above the sulphur spring Comment
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Feb 10 2013
  RSA342555  Avena barbata R. F. Thorne, C. W. Tilforth 1980-5-28 54211 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  SEINET5510176 Image available Ayenia compacta Annie M. Alexander, Louise Kellogg 1941-1 2236 Riverside Eagle Mountains, Monsen Canyon 823 Comment
  CAS-BOT-BC98784  Baccharis brachyphylla Carl B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mi. below the San Bernardino Co. line. 670 Comment
  CLARK-A1528-1622  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  SEINET2045176 Image available Baccharis emoryi A. C. Sanders, S. White & C. L. Sanders 1994-10-9 15819 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell: T2S, R3ESE4 S27SW4S26 549 Comment
  IRVC525  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  CAS-BOT-BC106737  Baccharis salicifolia Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, Little San Bernardino Mountains Comment
  POM10239  Baccharis salicifolia Charlotte M. Wilder 1904-3-19 s.n. Riverside Wilders Canyon, Jurupa Hills Comment
  RSA502921  Baccharis salicifolia Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  CAS-BOT-BC106630  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  SEINET946176  Baccharis salicina O. F. Clarke 1970-1 Riverside Botanic Gardens of the University of California, Riverside Comment
  UCR282051  Baccharis salicina Mitch Provance 2012-11-9 1112- 15 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  CAS-BOT-BC99819  Baccharis sarothroides Edmund C. Jaeger 1938-11-2 s.n. Riverside gully near Gulliday Well, south-west base of Chuckawalla Mts. 274 Comment
  RSA696790  Baccharis sergiloides J. Russell Bruff 1927-11-16 34 Riverside Cottonwood Springs. Comment
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Jul 7 2012
  RSA771791  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4807 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA777277  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4552 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR245795  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40957 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  SFV11873  Bahiopsis parishii R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  CAS-BOT-BC99970  Baileya pauciradiata Carl B. Wolf 1932-4-28 3080 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  JOTR37508  Baileya pauciradiata Hodges, Stephen R. 2016-3-1 634 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA554074  Baileya pauciradiata Scott D. White 1991-7-26 91 -70 Riverside City of La Quinta, NE corner of Jefferson & 53 road Streets 30 Comment
  UCR60791  Baileya pauciradiata Steve Boyd, O. Mistretta 1986-3-13 1404 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
  UCR134610  Baileya pleniradiata Marisa Sripracha, Kyle Boyd 2004-2-14 017 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA289836  Bassia hyssopifolia B. A. Prigge 1980-9-17 4080 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  CAS-BOT-BC100112  Bebbia juncea var. aspera L. R. Abrams 1926-3-26 11058 Riverside Palm Springs to Palm Canyon Comment
  UC128834  Bebbia juncea var. aspera Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UC472350  Bebbia juncea var. aspera F. M. Reed 1917-5-19 3848 Riverside Palm Canon, Colorado Desert Colorado Desert, Palm Canon Comment
  SEINET3862254  Beloperone californica D. W. McNeal 1975-4-18 1561 Riverside Above Palm Desert on Hwy. 74, 19.2 mi. E of its jct. with Hwy. 71.; 0 Comment
  UCR26368  Berberis dictyota A. C. Sanders 1981-7-11 2212 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  RSA753535  Berberis nevinii Michael Wall 2009-6-10 518 Riverside CNDDB EO # 04; south of Redlands ca. 0.75 miles up an unnamed canyon off San Timoteo Canyon Rd. ca. 0.5 miles NW of jct with Allesandro Blvd, (road entrance is by an abandoned dairy) 496 Comment
  JEPS5610  Bergia texana Samuel B. Parish Nov 1891 Riverside Near Elsinore Comment
  POM299247  Bernardia incana Louise Kellogg, Annie M. Alexander 1941-5-23 2220 Riverside North slope of Eagle Mountains. Base of mountain and up canyon to 4500 feet, altitude 3800 feet near mouth of canyon. 1159 Comment
  UCSB25708  Bernardia myricifolia 1968-7-16 Riverside Along Stone Crest Road, 0.5 mile north of forest boundary marker T65, R5E, SBB&M, 2.0 miles north of Pinyon Flats, Southern San Jacinto Mountains 1219 Comment
  CLARK-A1528-1654  Bidens pilosa John C. Roos 1965-8-18 Riverside Corona Comment
  UCR172714  Bloomeria crocea Jun Hu 2000-5-11 19 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  CAS-BOT-BC25657  Boechera pulchra Annie M. Alexander; Louise Kellogg 1941-5-3 2105 Riverside San Bernardino and Riverside Counties. Joshua Tree National Monument. 13 miles southwest of 29 Palms. 1371 Comment
  RSA645639  Boerhavia coccinea Scott D. White 1999-4-20 7276 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
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Aug 21 2019
  CLARK-A1656-845  Boerhavia erecta var. intermedia Jon Mark Stewart 1983-8-29 83-32 Riverside San Jacinto Mountains 853 Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
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Sep 24 2017
  UCR23476  Boerhavia triquetra John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Above Palm Desert 701 Comment
  JOTR32420  Boerhavia wrightii Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 9 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  JOTR34997  Boerhavia wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3099 Riverside Joshua Tree National Park. Pinto Basin, Route 111, north of sand hills Comment
  UC1930178  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10. Comment
  UC64787  Boerhavia wrightii E. E. Schellenger 1904-10-15 109 Riverside Paloverde Valley, Black Point Comment
  UC489262  Bolboschoenus maritimus C. V. Meyer 1928-8-2 626 Riverside Temecula Comment
  UCR128942  Bouteloua aristidoides Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR23965  Bouteloua aristidoides John C. Roos 1946-9-14 3026 Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  RSA792555  Bouteloua barbata Duncan S. Bell 2012-9-13 4182 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  LA211888  Bouteloua barbata var. barbata Deidre Conocchioli; Caitlin Elam 2013-10-1 74 Riverside CHOCOLATE-CHUCKWALLA MOUNTAINS, East of Little Chuchwalla Mountains. From Blythe, CA, Take I-10 W for 17.8 miles, take the Wiley's Well Road exit. Turn left (S) on Wiley's Wll Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion 177.0 Comment
  JOTR30294  Bouteloua curtipendula Andre, Jim, Tasha La Doux 2007-9-6 8705 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA741581  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA561067  Bowlesia incana Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7346 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  SD137928  Bowlesia incana Darin L. Banks, Steve Boyd 1995-3-16 103 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Dripping Springs Alcove, north slope of Wildhorse Peak, on Wildhorse Trail 609 Comment
  UCR41245  Bowlesia incana N. M. Fellows, A. C. Sanders 1985-4-9 139 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  SEINET270250  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Colorado Desert Coachella Valley: alluvial fans below the Santa Rosa Mountains north of Toro Canyon west of Monroe St 15 Comment
  SEINET3860054  Brandegea bigelovii T. B. Salvato 2010-4-20 4056 Riverside Sonoran (Colorado) Desert: alluvial slope between the McCoy Mountains and McCoy Wash, ca 14 mi. northwest of Blythe.; 0 183 Comment
  UCSB18364  Brandegea bigelovii Daniel, Dick 1964-5-17 Riverside 4 miles S of junction of State Highway 111 and State Highway 74 457 Comment
  RSA0106891  Brassica nigra Daphne K. Christopher, Hannah Stevens 2003-4-4 95 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  CLARK-A1528-5509  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  LA203084  Brickellia desertorum Carl Epling; 1937-11-26 Riverside White Tank, Twentynine Palms Comment
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Jun 14 2013
  UCR95404  Brickellia desertorum L. C. Wheeler 1966-10-15 8986 Riverside San Jacinto Mtns., Carrizo Creek, off Dead Indian Canyon 854 Comment
  CAS-BOT-BC132194  Brodiaea filifolia Robert F. Thorne; P. A. Munz; E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau: On Mesa de Colorado, Rancho California 670 Comment
  UCR94259  Brodiaea filifolia Scott D. White 1996-4-14 3890 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  RSA179502  Bromus arenarius E. W. Lathrop 1960-6-6 4816 Riverside 14 miles W. of Murrieta. Comment
  RSA653140  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside 1012 Spruce Street, Riverside Comment
  CAS-BOT-BC149439  Bromus berteroanus S. B. Parish 1907-4-18 6140 Riverside Western edge of the Colorado Desert. West Canon [Canyon], Palm Springs. 200 Comment
  JOTR34002  Bromus berteroanus La Doux, Tasha, M. Harding 2010-4-7 2890 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR213898  Bromus carinatus Scott D. White, Justin Wood 2009-5-22 12896 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA0037319  Bromus carinatus John F. Emmel 1993-5-30 1263 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  UC37670  Bromus carinatus var. carinatus H. M. Hall July, 1901 2342 Riverside vicinity of Deer Springs (San Jacinto Mountains); San Jacinto Mountains 2743 Comment
  CSUSB424  Bromus catharticus Kheng Try Seng 1966-4-24 660424 2 Riverside University of California, Riverside (UCR) campus 274 Comment
  CSUSB427  Bromus diandrus Dean Jones 1966-4-16 Riverside Back yard of 3350 Mulberry Ave. in City of Riverside. 335 Comment
  RSA741211  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-5-15 11988 Riverside Johnson Meadow. 1415 Comment
  RSA326154  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 771 Riverside San Jacinto Mountains; Idyllwild along Southgate Circle Drive ca. 1 mile from Highway 243. 1677 Comment
  RSA314627  Bromus rubens R. F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55423 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCD59765  Bromus tectorum var. nudus R. N. Raynor 1938-6-20 s.n. Riverside Palms to Pines Highway, between Idyllwild and Herky Creek. Comment
  RSA658969  Bromus unioloides Margaret Murphy 1983-5-21 31 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SEINET2060496 Image available Caesalpinia E. R. Blakley 1952-8-17 B- 1558 Riverside Shavers Summit 515 Comment
  UCR117218  Calandrinia ciliata B. G. Pitzer 2000-4-20 4126 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR183336  Calandrinia ciliata Mitch Provance 2003-4-26 9882 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR96894  Calandrinia ciliata Scott D. White 1993-3-12 1154 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCR118659  Callisia repens A. C. Sanders 2001-11-20 24886 Riverside San Bernardino Valley Region, Riverside, yard of house at 422 Campus View Dr. 341 Comment
  UC1409149  Callitriche marginata Robert F. Thorne and Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau on south end of Mesa de Colorado, Rancho California. 624 Comment
  UCSB16252  Calocedrus decurrens Gates, C. 1963-5-4 Riverside In Montane Forest, Banning to Idyllwild Road, about 2 mi. S of turnoff to Black Mountain Campground, San Jacinto Mountains 2133 Comment
  CAS-BOT-BC488544  Calochortus concolor Ynez Whilton Winblad 1941-6-7 s.n. Riverside Near Lake Elsinore Comment
  JEPS17820  Calochortus flexuosus P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4838 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 670 Comment
  UC454388  Calochortus invenustus I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 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
  SEINET3101964  Calochortus palmeri Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17376 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  CAS-BOT-BC132463  Calochortus plummerae Carl B. Wolf 1932-5-25 3696 Riverside [Bad Lands] Badlands, SW. of Beaumont, 1 1/2 mi. SW. of summit of Moreno Grade 548 Comment
  UCR178202  Calochortus plummerae Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 644 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA377469  Calochortus splendens Christopher Davidson 1977-5-25 5652 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA688838  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  CLARK-A1528-1794  Calycadenia tenella John C. Roos 1952-7-19 5816 Riverside Santa Ana Mountains 761 Comment
  POM351398  Calycadenia tenella Robert Gustafson, Gary D. Wallace 1983-6-23 2721 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  RSA198973  Calycadenia tenella R. F. Thorne 1968-5-8 37590 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  RSA0120488  Calycoseris wrightii Duncan S. Bell, Thomas Stoughton 2016-3-17 8960 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  RSA796093  Calycoseris wrightii Duncan S. Bell 2009-4-20 309 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SFV17330  Calycoseris wrightii J. N. Hogue, J. D. Dilley 1998-4-23 108 .13 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR20731  Calyptridium monandrum A. C. Sanders, Steve Boyd 1980-5-2 1413 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SD208204  Calyptridium monospermum Michael G. Simpson, Jamie Hall, et al. 2007-6-16 2896 Riverside Little Taquitz Valley, San Jacinto Mountain, along trail, ca. 0.1 mile north of junction with Pacific Coast Trail, ca. 0.9 mile northeast of Tahquitz Peak. 2454 Comment
  UC729873  Calyptridium monospermum Carl B. Wolf 1932-8-5 3983 A Riverside San Jacinto Peak, summit San Jacinto Peak; San Jacinto Mountains, San Jacinto Peak 3293 Comment
  UCR113881  Calystegia macrostegia subsp. intermedia Mitch Provance 2000-6-24 2042 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  SD137801  Calystegia macrostegia subsp. tenuifolia Darin L. Banks 1995-4-11 172 Riverside Agua Tibia Mountains Watershed; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove Area. 950 Comment
  CAS-BOT-BC199285  Calystegia sepium subsp. limnophila J. C. Roos; A. R. Roos 1950-8-7 4919 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA556490  Camissonia bistorta Julie Greene 1993-3-13 1062 Riverside On slope by trailers. 427 Comment
  SEINET7073307  Camissonia bistorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR43177  Camissonia bistorta B. G. Pitzer 1986-5-6 0205 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  POM14010  Camissonia boothii subsp. condensata P. A. Munz, D. Keck 1922-4-9 4747 Riverside Palm Springs. 76 Comment
  RSA184301  Camissonia boothii subsp. condensata P. A. Munz 1932-3-14 11990 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  SEINET3093151 Image available Camissonia boothii subsp. desertorum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi SSW of Chuckwalla Valley Rd. [UTM 10km cell:PH-7E, 0N. Graham Pass] 488 Comment
  RSA144625  Camissonia californica William M. Klein, H. Latimer, A. Griffiths 1958-5-16 266 Riverside 4 miles E of Redlands along Highway 70-99, coastal sage scrub Comment
  UCR47224  Camissonia californica B. G. Pitzer, L. F. LaPre 1987-3-2 0416 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCR243184  Camissonia campestris Kate Kramer 2012-5-8 261 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UC20456  Camissonia campestris subsp. campestris E. L. Koethen Mar., 1897 16 Riverside Riverside Comment
  RSA135285  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11484 Riverside 24.7 miles east of turn to Corn Springs, Chuckwalla Mountains. Comment
  RSA449180  Camissonia claviformis subsp. aurantiaca Robert Gustafson 1983-3-27 2485 Riverside Dry, rocky canyon just southwest of Lake Cahuilla. Comment
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May 21 2016
  RSA561018  Camissonia graciliflora Steve Boyd, T. S. Ross 1992-5-4 7192 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM48990  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8846 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA501032  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3152 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA524479  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA613897  Camissonia ignota A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19853 Riverside [Skinner Reservoir] 457 Comment
  CLARK-A1656-761  Camissonia pallida Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  SEINET3093251 Image available Camissonia refracta A. C. Sanders 1988-5-11 7798 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Ni-land. Comment
  UCR102948  Camissonia refracta George K. Helmkamp 1998-4-4 3168 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR50893  Camissonia refracta A. C. Sanders 1988-5-11 7798 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR88119  Camissonia refracta A. C. Sanders, G. Nuhn 1995-4-20 16584 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  SDSU3402  Camissonia strigulosa R. S. Suaw, T. Masquin 1957-4-1 Riverside 11 mi. w. Riverside; #5 Comment
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Mar 28 2014
  UC56464  Camissonia strigulosa H. M. Hall 1902-4-7 2755 Riverside vicinity of Riverside 457 Comment
  UC56873  Camissoniopsis ignota H. M. Hall Apr. 1903 3806 Riverside vicinity of Riverside 396 Comment
  UCSB18456  Camissoniopsis micrantha Field, L. 1963-5-4 Riverside 7.5 miles south of Banning, on Banning-Idyllwild Road 1158 Comment
  UCR260848  Camissoniopsis pallida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41414 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SDSU3392  Camissoniopsis pallida subsp. hallii H. Wedberg 1958-4-4 231 Riverside About 8 miles up Morongo Canyon from Hwy 60, 70, 99. Comment
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Jan 24 2013
  UCR107908  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 1997-1-8 1278 Riverside Sonoran (Colorado) Desert, Palm Springs. Lawn at El Cielo and Tahquitz-McCallum 152 Comment
  UCR25784  Cardaria draba John C. Roos 1949-4-2 4135 Riverside Fisherman's Retreat, San Timoteo Canyon Comment
  UC1022804  Carex alma Philip A. Munz 1938-8-14 15366 Riverside head of Black Rabbit Canyon Toro Peak; Santa Rosa Mountains 2377 Comment
  CAS-BOT-BC20700  Carex fracta Mary F. Spencer 1919-6-19 s.n. Riverside San Jacinto Mountains. Idyllwild. 1615 Comment
  UC729544  Carex fracta Carl B. Wolf 1932-5-24 3653 Riverside Snow Creek Canyon, 1 mi above fish hatchery San Jacinto Mountains, N base 792 Comment
  RSA364639  Carex jonesii M. B. Dunkle 1933-7-22 3741 Riverside Tahquitz Valley. 2317 Comment
  POM12145  Carex sartwelliana Mary F. Spencer 1921-6-30 1687 Riverside Idyllwild. San Jacinto Mountains. 1616 Comment
  UC729842  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  RSA180455  Carex triquetra E. W. Lathrop 1960-5-30 5773 Riverside 6 miles W of Murrieta Comment
  CDA2827  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley; Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development Comment
  RSA448695  Castilleja applegatei subsp. martinii N. C. Cooper 1945-5-24 1624 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC64212  Castilleja applegatei subsp. martinii H. M. Hall Jul 1901 2580 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  UC886544  Castilleja exserta L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  UC886555  Castilleja exserta P. A. Munz 1922-4-28 5031 Riverside Temescal Canyon Comment
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Apr 3 2011
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  RSA221000  Castilleja foliolosa E. W. Lathrop 1966-3-30 6128 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA234083  Castilleja foliolosa Robert F. Thorne, E. W. Lathrop 1969-6-6 39327 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UC26428  Castilleja foliolosa H. M. Hall Jun 1901 2084 Riverside vicinity Chalk Hill; San Jacinto Mountains 1371 Comment
  UCR102934  Castilleja foliolosa George K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  JEPS8830  Castilleja minor subsp. spiralis W. L. Jepson May 17 1901-Jun 1 1901 1369 Riverside Palm Canyon and return to Van Deventer's Flat; San Jacinto Mts. Comment
  UCR104181  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5249 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  CLARK-A1045-304  Caulanthus cooperi George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  RSA295278  Caulanthus hallii R. S. Woglum 1937-5-22 584 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  SDSU14010  Caulanthus heterophyllus Michael G. Simpson, Kim O'Connor 2000-4-29 2070 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  UCR48357  Caulanthus heterophyllus Steve Boyd 1986-4-22 1743 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR62238  Caulanthus heterophyllus R. Montijo 1990-4-27 s.n. Riverside Rancho California Area: east of Santa Rosa Plateau [and of Skinner Reservoir], Green Meadow Road off of de Portola Road 610 Comment
  RSA0119884  Caulanthus lasiophyllus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9098 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  UCR275751  Caulanthus lasiophyllus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-24 855 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent to Corn Spring Road, draining from Corn & Aztec Springs, 396 Comment
  UCR279356  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2017-3-23 42920 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
  UCR68471  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4115 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  CAS-BOT-BC48620  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  SDSU10257  Ceanothus cordulatus T. B. Bruhns 1965-5-22 106 Riverside Strawberry Valley. Trail beginning above Idyllwild. Comment
  UC218114  Ceanothus cordulatus P. A. Munz 1922-7-7 6059 Riverside North Fork of Taquitz Creek San Jacinto Mts. 2194 Comment
  RSA680633  Ceanothus crassifolius Scott D. White 2001-3-27 8176 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  SD262944  Ceanothus crassifolius Susan T Welker 1993-2-22 Riverside West of Temecula. Along Rancho California Rd., approx 2 mi. from Temecula Valley 398 Comment
  UCR76761  Ceanothus crassifolius B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 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
  CAS-BOT-BC49184  Ceanothus cuneatus H. E. McMinn 1925-7-2 1522 Riverside Idyllwild grade San Jacinto Mts. Comment
  UCR178154  Ceanothus greggii Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 143 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  POM306779  Ceanothus greggii var. perplexans Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1701 Riverside Santa Rosa Mountains Comment
  RSA33782  Ceanothus greggii var. perplexans N. C. Cooper 1944-5-20 1270 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UC489159  Ceanothus integerrimus C. V. Meyer June 1927 178 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC51282  Ceanothus leucodermis A. C. Sanders 1994-6-26 14961 Riverside San Bernardino Mountains: S of Silverwood Lake, along Forest Service road (2N59?) ca. 2 miles E of Cottonwood Station 1127 Comment
  RSA192351  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  SD229239  Ceanothus leucodermis Dick Schwenkmeyer 2012-4-17 695 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  POM254875  Ceanothus oliganthus W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  UC1611574  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7914 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 Comment
  UCR93033  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7890 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  POM312128  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside Above Banning. Roadside. 976 Comment
  CAS-BOT-BC51917  Ceanothus perplexans S. B. Parish 1908-6-1 6966 Riverside Eden Hot Springs Comment
  RSA0022329  Ceanothus perplexans N. C. Cooper 1949-6-29 4298 Riverside East side of San Jacinto Mountains. 457 Comment
  UCR19669  Ceanothus tomentosus E. B. Eldred 1977-5-23 s.n. Riverside Peninsular Range, Turnout on I-15, 5 miles south of Temecula 305 Comment
  RSA755430  Celtis australis O. F. Clarke 2003-10-6 s.n. Riverside Riverside, UCR campus 366 Comment
  SEINET8734799 Image available Centaurea melitensis Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0;6 mi. from fork to dump on E. side of road Comment
  RSA735927  Centaurea solstitialis Scott D. White, Justin M. Wood 2008-5-29 12043 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR199743  Centaurea solstitialis Scott D. White, Justin Wood 2008-5-29 12043 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  RSA391499  Centaurium venustum N. C. Cooper 1947-4-5 2096 Riverside Los Alamos Canyon, [Lake] Elsinore. 762 Comment
  UCR143377  Centaurium venustum C. B. Wolf 1932-8-6 3994 Riverside San Jacinto Mountains, 2.9 mi from Idyllwild on the [control] road to Hemet 1220 Comment
  RSA735900  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-3 12057 Riverside Perris Basin: March ARB. Comment
  SD126658  Centromadia pungens subsp. pungens Ed LaRue 1989-4-21 Riverside Moreno Valley, ca. 1 mile south of Highway 60 on Nason Street. Comment
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Mar 31 2011
  RSA405365  Cercidium floridum Ora M. Clark 1929-2-17 1754 Riverside S La Quinta Comment
  NY43446  Cercidium floridum subsp. floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park Comment
  CLARK-A1528-181  Chaenactis artemisiifolia C. M. Flanagan 1973-4-14 OO 102 Riverside Sunnymead 609 Comment
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Mar 26 2014
  CAS-BOT-BC276384  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC276395  Chaenactis carphoclinia Thos. W Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well Comment
  UCR102720  Chaenactis carphoclinia B. G. Pitzer 1998-1-24 3406 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
  UCR104818  Chaenactis carphoclinia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2732 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  POM13309  Chaenactis carphoclinia var. carphoclinia E. C. Jaeger 1921-3-20 1073 Riverside Box Canyon, Colorado Desert. Comment
  UC894419  Chaenactis carphoclinia var. carphoclinia P. A. Munz Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  CAS-BOT-BC276915  Chaenactis fremontii L. R. Abrams 1926-3-25 11045 Riverside Between Banning and Cabazon Comment
  RSA21754  Chaenactis fremontii C. B. Wolf 1937-4-6 8426 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA775095  Chaenactis fremontii Duncan S. Bell, Amber Swanson 2011-2-18 2035 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR177001  Chaenactis fremontii Tracy Tennant, J. S. Ross 1998-4-30 MOR- 71 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  RSA708176  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-5-7 10320 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
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Oct 4 2007
  RSA716190  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-4-5 10020 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC1951107  Chaenactis glabriuscula Scott D. White, Justin Wood 2009-5-22 12910 Riverside SAN JACINTO MOUNTAINS: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. USGS Blackburn Canyon 7.5' Quad. Comment
  CAS-BOT-BC277408  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtns.: lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  CAS-BOT-BC277417  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1905-4-20 6758 Riverside Palm Springs Comment
  RSA516765  Chaenactis glabriuscula var. glabriuscula Ed LaRue 1989-4-26 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice Canyon. 488 Comment
  UC1483912  Chaenactis glabriuscula var. glabriuscula C. W. Tilforth and B. Busenberg 1979-5-18 1800 Riverside ca. 3 1/2 air mi s of Banning (at turn-off to Mt. Edna, small canyon along Hiway 243) Comment
  RSA695580  Chaenactis glabriuscula var. lanosa Keith E. Hoffmaster 1937-6-6 791 Riverside Hemet Lake. Comment
  CHSC108501  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  JOTR31175  Chaenactis stevioides La Doux, Tasha, G. Clifton 2009-5-14 1973 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  JOTR31997  Chaenactis stevioides La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2227 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UC195040  Chaenactis stevioides Joseph Grinnell 1910-5-17 Riverside Riverside Mt., Colorado River Comment
  UCSB49  Chaenactis stevioides Bell, David 1969-3-31 Riverside River Bend Campground, along U.S. Highway 95, 15 miles north of Blythe, Mojave Desert 152 Comment
  POM351830  Chaenactis stevioides var. stevioides M. B. Dunkle 1935-3-17 4397 Riverside Desert Center. 610 Comment
  POM351831  Chaenactis stevioides var. stevioides D. A. Young 1969-4-18 p 426 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  POM351836  Chaenactis stevioides var. stevioides L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  SJSU11751  Chaenactis xantiana S. S. Rewak 1962-4-15 Riverside by Highway 10 (old Highway 60), 18 mi W of Blythe Comment
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Mar 30 2014
  JOTR32637  Chamaesyce albomarginata La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2559 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA0042474  Chamaesyce polycarpa Deidre Conocchioli, Kristin Forgrave, April Garbat 2013-8-13 1 Riverside Chuckwalla Valley Road approximately 4 miles east of Corn Springs 194 Comment
  RSA502926  Chamaesyce polycarpa Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  RSA782090  Chamaesyce polycarpa Duncan S. Bell 2009-3-7 7 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  RSA432407  Chamaesyce polycarpa var. polycarpa E. S. Spalding 1926-2-13 s.n Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  RSA85548  Cheilanthes covillei F. W. Peirson 1928-11-30 8213 Riverside about 1 mile north of Cottonwood Spring, northeast of Mecca. Comment
  SEINET903948  Cheilanthes covillei Scott D. White 1996-1 4460 Riverside Idyllwild Area: Alvin Meadows and unnamed canyon upstream. San Jacinto Mountains. USGS Blackburn Cyn 7.5 topo (immed. Adjacent to Idyllwild topo) 1525 Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  RSA336041  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52022 Riverside Chino Canyon Comment
  RSA685824  Cheilanthes parryi May N. Ackley 1928-4-1 178 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  UC494456  Cheilanthes parryi Philip A. Munz 1932-5-14 11987 Riverside Deep Canyon; Coachella Valley 91 Comment
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Feb 3 2013
  UCSB38682  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  POM299277  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-5-21 2214 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  RSA554284  Chenopodium album Scott D. White 1992-2-25 92 -12 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UC1929842  Chenopodium album Scott D. White, Angelia Carey 2004-7-2 10555 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Poppet Creek Canyon. Comment
  UC1787312  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UCR103222  Chenopodium berlandieri Scott D. White 1994-10-17 2463 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR113598  Chenopodium berlandieri var. zschackei A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23676 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
  UCR230213  Chenopodium californicum A. C. Sanders 2011-4-6 38984 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
  CLARK-A1528-5012  Chenopodium leptophyllum John C. Roos 1946-8-27 2913 Riverside Santa Rosa Mountains 2438 Comment
  UCR115137  Chenopodium missouriense Mitch Provance 2000-10-28 2272 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA784961  Chenopodium murale Duncan S. Bell 2012-3-18 3225 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR256891  Chenopodium murale Duncan S. Bell, Evan Meyer 2014-4-2 6492 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness boundary, southern section of range; c. 0.4 air mile south of Canyon Spring 352 Comment
  UCR181628  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  CAS-BOT-BC231771  Chilopsis linearis Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  UCR193959  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  RSA19547  Chilopsis linearis subsp. arcuata Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 S.N. Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  POM15199  Chimaphila menziesii Mary F. Spencer 1927-6-27 1972 Riverside Tahquitz trail, Idyllwild. 1829 Comment
  UC501502  Chimaphila umbellata Frank W. Peirson 1924-7-27 5004 Riverside 1 mi. w. Deer Spring; San Jacinto Mts. 2438 Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  UCR167413  Chorizanthe brevicornu 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
  UCD80953  Chorizanthe brevicornu var. brevicornu Chuck Hughes 2009-3-23 62 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  HSC85293  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  UCR43174  Chorizanthe fimbriata var. fimbriata B. G. Pitzer, Karen Kirtland 1986-5-20 0223 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  UCR55655  Chorizanthe leptoceras L. F. LaPre 1988-6-3 s.n. Riverside Peninsular Range, Indian Truck trail, sandy bench south of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  UCR35077  Chorizanthe leptotheca L. B. Ziegler 1967-6-19 162 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  RSA65168  Chorizanthe parryi F. W. Peirson 1922-5-19 3055 Riverside 5 miles northeast of Murrieta on road to Perris Comment
  UCR211708  Chorizanthe parryi var. parryi Fred M. Roberts, Michelle Balk 2006-5-1 6327 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  RSA784660  Chorizanthe polygonoides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 67 Riverside South main divide road splitting Comment
  UCR189564  Chorizanthe polygonoides var. longispina Diane Menuz 2006-4-20 34 Riverside Peninsular Range; Santa Ana Mountains, Elsinore Peak; c. 3 mi south of Lake Elsinore. Next to tower off dirt road 1050 Comment
  UCR48478  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA525433  Chorizanthe staticoides Steve Boyd, Dave Bramlet 1990-4-29 4478 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR27655  Chorizanthe staticoides John C. Roos 1960-6-5 s.n. Riverside Peninsular Range; Santa Ana Mtns., off the Ortega Hwy, NE slope of Sugarloaf Peak [=Pleasants Peak] 1067 Comment
  SEINET3087441 Image available Chorizanthe xanti B. Pitzer 1986-4-26 190 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (Whitewater 7.5' quad). 732 Comment
  JEPS100430  Chorizanthe xanti var. leucotheca Dean W. Taylor 2003-5-6 18522 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines, San Gorgonio Pass, growing in the wash draining Millard Canyon 640 Comment
  RSA346265  Chrysothamnus paniculatus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54040 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  UCR167333  Chrysothamnus paniculatus Scott D. White, Jennifer H. Jones 2005-5-24 11105 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA314399  Chrysothamnus teretifolius R. F. Thorne 1982-10-8 55403 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  CDA37527  Chylismia brevipes M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  UCD103716  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  GMDRC9800  Chylismia brevipes subsp. brevipes J. M. Andre 2017-3-1 38009 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  CAS-BOT-BC160614  Chylismia claviformis subsp. aurantiaca Mrs. G Earle Kelly 1926-4-1 s.n. Riverside Between Palm Springs and Indio Comment
  UC61517  Cirsium neomexicanum L. D. Copeland Apr 1904 Riverside West Canyon, palm Springs Comment
  UCR1623  Cirsium scariosum Leland R. Dykes 1962-5-1 67 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 9.3 mi. west of Palomar Rd, Murrieta Comment
  RSA708171  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA65432  Cistanthe ambigua F. W. Peirson 1926-1-31 6485 Riverside About a mile above station on Mecca Road, Dos Palmas. Colorado Desert. Comment
  POM250482  Cistanthe monandra I. W. Clokey 1935-4-18 s.n. Riverside Gavilan Mesa. 600 Comment
  CAS-BOT-BC228716  Cistanthe umbellata Carl B. Wolf 1932-8-5 3983 A Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  UCR16585  Cistus incanus Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, 10 ft. from water station, 1/4 mi west of Strawberry Creek on Hwy from Hemet to Idyllwild Comment
  SEINET255567  Clarkia purpurea Unknown 2005-5-7 30034 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCR158718  Clarkia purpurea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30034 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
  UCR159265  Clarkia purpurea A. C. Sanders, Kelly Volansky 2005-8-31 31575 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA407733  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-5-1 1799 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR92183  Clarkia similis D. L. Banks, Steve Boyd 1995-5-3 0185 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  JEPS122471  Clarkia unguiculata J. M. Andre 2012-6-15 30537 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
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May 28 2020
  SD138017  Claytonia parviflora subsp. parviflora Darin L. Banks 1995-5-3 239 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along lower benches of Arroyo Seco 512 Comment
  RSA783234  Claytonia perfoliata J. D. Olmsted 1962-5-2 3470 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  UCR120156  Claytonia perfoliata Mitch Provance 1998-2-28 124 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  UCR168685  Claytonia perfoliata T. B. Salvato, John F. Green 2004-5-27 585 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CLARK-A1045-96  Claytonia perfoliata var. parviflora George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road between Pine Cove and North Fork of the San Jacinto River; ; San Jacinto Peak 7.5'Q 1676 Comment
  UCR104180  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR35164  Clematis pauciflora L. B. Ziegler 1968-3-5 267 Riverside San Jacinto Mtns., Foothills of Mtns. Hillsides at edge of Diamond Valley 488 Comment
  RSA357785  Cleome isomeris R. F. Thorne, M. Z. Thorne 1973-5-30 42673 Riverside Morongo valley Canyon: near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. 488 Comment
  RSA440808  Cleome isomeris B. C. Templeton 1930-4-9 1079 Riverside Palm Springs Station; Colorado Desert 400 Comment
  SBBG87891  Cnicus benedictus B. Pitzer, K. Kirtland 1986-5-6 264 Riverside 1.5 mi SE of Murrieta along Murrieta Crk; bounded on N by Fig St., on S by Elm St., on E by Adams Ave, on W by Jefferson Ave Comment
  SBBG6850  Collinsia bartsiifolia var. davidsonii H. and M. Dearing 1939-4-6 3098 Riverside near Aguanga Comment
  POM12956  Collinsia concolor Philip A. Munz, I. M. Johnston 1922-5-21 5532 Riverside Hemet Valley. 1433 Comment
  SD73630  Collinsia concolor Helen V. Witham 1970-5-1 845 Riverside steep north slope, Bautista Canyon, southeast of Hemet 800 Comment
  UCR193369  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35635 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR24900  Collinsia concolor A. C. Sanders 1980-7-18 1630 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JEPS13638  Collinsia heterophylla Peter Kamb 1948-6-19 1114 Riverside Santa Ana Mountains, se slope of Santiago Peak Santiago Peak; Santa Ana Mountains, Santiago Peak 1219 Comment
  RSA674620  Collinsia heterophylla Scott D. White, Sandra Leatherman 2000-5-31 7976 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  SD152751  Collinsia heterophylla Steve Boyd 1992-4-15 6868 Riverside San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  SDSU13334  Collinsia heterophylla var. heterophylla Tom Duffy, Taria Sagar 2000-4-29 4 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North end. 320 Comment
  CAS-BOT-BC52499  Colubrina californica Walter Knight; Irja Knight; Fred Klein 1969-3-30 2616 Riverside In vicinity of Eagle Mt. pumping station, .35 mi. from jct. of dead-end Adit Road in sandy wash Comment
  JOTR35329  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  RSA0043037  Colubrina californica Duncan S. Bell, Evan Meyer 2014-4-3 6531 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  UCR214852  Convolvulus simulans Crystal Sheehan 2010-5-10 46 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  CAS-BOT-BC286037  Conyza canadensis S. B. Parish 1912-10-12 8358 Riverside Salton Basin. Mecca -57 Comment
  UC123564 Image available Corallorhiza maculata F. M. Reed 1908-7-12 2516 Riverside south of Round Valley Comment
  UCR106358  Cordylanthus rigidus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0010994  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1625 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  RSA0011000  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1436 Riverside San Bernardino National Forest: Garner Valley, approximately 2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1373 Comment
  UC1608210  Cordylanthus rigidus subsp. setiger Steve Boyd and Tim Ross 1992-6-10 7644 Riverside about Potrero Escondido (...area of low relief topping ridge system due w of jct of Tenaja Rd (7S01) and Los Alamos Rd (7S04) at the confluence of Los Alamos Cr w/San Mateo Cr.); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, S 670 Comment
  POM355979  Coreopsis bigelovii Ora M. Clark 1929-3-17 1709 Riverside NW Whitewater, Colorado Desert. Comment
  SEINET11837051  Coreopsis bigelovii S. B. Parish, Parish, W. F. 1881-1 224 Riverside Whitewater Riv Comment
  CAS-BOT-BC287877  Coreopsis californica Munz; Street; Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 542 Comment
  JEPS30473  Coreopsis californica var. californica Peter H. Raven 1958-3-16 11870 Riverside 4.3 mi e of Cholla Cactus Garden, Joshua Tree National Monument Comment
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Jun 9 2012
  RSA160561  Corethrogyne filaginifolia J. D. Olmsted 1959-8-26 839 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago 823 Comment
  UCR272166  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains, a small ridge/summit area just to the south of the summit of Santa Rosa Mountain 2438 Comment
  UCSB6470  Corethrogyne filaginifolia Kamb, Peter 1948-10-21 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CSUSB946  Coronopus didymus Oscar F. Clarke, James K. Ryan 1969-5-28 Riverside City of Riverside. Yard of 1021 Spruce Street, growing as weed. 335 Comment
  UCR158351  Cotula australis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30079 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
  UC128709  Crocanthemum aldersonii Charlotte M. Wilder May 1908 25 Riverside Wilders' Jurupa Hills Comment
  POM118203  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain, in the lower Sonoran Zone. Comment
  UCSB3802  Crossosoma bigelovii Gunnerson, Robert 1953-3-21 Riverside Whitewater Canyon Comment
  HSC7964  Croton californicus H. E. Parks, S. T. Parks 1938-2-7 24100 Riverside Valle Vista 518 Comment
  UC1979558  Croton californicus Darin L. Banks, Steve Boyd 1995-5-3 275 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  RSA0036098  Croton californicus Norman Cooper 1944-4-23 1141 Riverside Cabazon. 457 Comment
  SEINET7909563  Cryptantha D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR181956  Cryptantha Mitch Provance 2003-4-18 6600 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  UCR234283  Cryptantha A. C. Sanders 2012-4-12 40034 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  UCR260602  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41543 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  CSUSB1176  Cryptantha angustifolia Grace Sprague 1968-4-29 S. N. Riverside Highway 111, 5 miles north of Palm Springs where San Jacinto Mountains near the road; on the sand dune of creosote bush scrub. Comment
  POM368199  Cryptantha angustifolia T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  RSA777540  Cryptantha angustifolia Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 900 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR148325  Cryptantha angustifolia 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
  UCR166012  Cryptantha angustifolia Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR245922  Cryptantha angustifolia Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3949 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  CHSC8299  Cryptantha barbigera Edward L. Smith 1958-3-21 374 Riverside Located 6 mi. s. of Rice, near Priest's Well. Little Santa Maria Mtns. 365 Comment
  JOTR30797  Cryptantha barbigera La Doux, Tasha 2008-2-4 1818 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash. Near road leading to Cottonwood. 745 Comment
  POM46804  Cryptantha barbigera Mary F. Spencer 1920-4-2 1518 Riverside Tahquitz Canyon 213 Comment
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Nov 19 2011
  RSA784718  Cryptantha barbigera Duncan S. Bell 2012-3-18 3205 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA784966  Cryptantha barbigera Duncan S. Bell 2012-3-18 3230 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SBBG87819  Cryptantha barbigera A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6116 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UC1929957  Cryptantha barbigera var. fergusoniae Scott D. White, Justin Wood 2008-6-16 12144 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  POM368352  Cryptantha circumscissa M. B. Dunkle 1933-5-6 3402 Riverside Colorado Desert. Dry Morongo Creek Comment
  RSA0094891  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley. Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  GMDRC3552  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  RSA777447  Cryptantha costata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 968 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  GMDRC3553  Cryptantha dumetorum J. Andre, T. La Doux 2009-2-25 10822 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  CAS-BOT-BC218761  Cryptantha holoptera Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9574 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  JEPS67650  Cryptantha intermedia W. L. Jepson 1939-4-17 19126 Riverside near Twin Springs (n end, sw Riverside County); Temescal Canyon 274 Comment
  RSA772527  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4433 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 W116.64307 487 Comment
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Oct 4 2013
  SBBG37501  Cryptantha intermedia R. N. Muller 1967-4-8 3 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  SD236231  Cryptantha intermedia John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  SD240921  Cryptantha intermedia A. C. Sanders, Matthew Malle 2010-4-23 37999 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
  UCR20917  Cryptantha intermedia A. C. Sanders 1978-7-5 00199 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  SDSU21025  Cryptantha intermedia var. intermedia T. B. Salvato 2014-4-9 7843 Riverside Perris-Aguanga Basin: Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Conyon Road and Sunset Avenue (Romoland 7.5', +/- 1000m) Flat terrain; non-native grassland with remnant patches of coastal sage scrub including Rhamnus crocea, Rhus aromatica, Eriogonum fasciculatum foliolosum, Adenostoma fasciculatum, Sambucus nigra. Grassland of Avena barbata is disked. 536 Comment
  JOTR30309  Cryptantha maritima La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1742 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  UCR92483  Cryptantha maritima 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
  RSA789244  Cryptantha micrantha Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2418 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCSB10421  Cryptantha micrantha Muller, Cornelius 1954-4-12 Riverside In Morongo Pass, south of Morongo Valley Comment
  POM48717  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1924-7-29 8843 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR226929  Cryptantha micrantha var. micrantha Jim Andre 2011-2-2 16206 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR47740  Cryptantha micrantha var. micrantha F. R. Fosberg 1932-3-13 10625 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  RSA543935  Cryptantha microstachys Steve Boyd 1991-5-10 6213 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UC1595612  Cryptantha microstachys Steve Boyd and Orlando Mistretta 1991-5-22 6282 Riverside e of Dorland Mtn. (w of Kolb Creek); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  UCR153364  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR165406  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR199742  Cryptantha microstachys Scott D. White, Justin Wood 2008-5-29 12047 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  UCR260603  Cryptantha microstachys A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41541 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  UCR91510  Cryptantha microstachys Scott D. White, M. Jacobsmeyer 1996-4-20 3942 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore. c. 1 road mi east of Bundy Canyon Road exit from Hwy I-15 freeway. south of road. 451 Comment
  UCSB41272  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  JEPS67740  Cryptantha muricata W. L. Jepson 1901-5-19 1298 a Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  RSA776051  Cryptantha muricata C. P. Cowan 1978-4-25 1261 Riverside 0.4 mile (0.6 km) off Hwy. 74 on Morris Ranch Road, 4.3 miles (6.9 km) N on 74 from jct with 371. San Bernardino National Forest Comment
  JOTR33723  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2724 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UC1168705  Cryptantha pterocarya Peter H. Raven 1958-3-16 11854 Riverside below Cottonwood Springs; Joshua Tree National Monument Comment
  SEINET3084283 Image available Cryptantha racemosa P. Leary, K. Liska 1975-4-7 1041 Riverside 1 mile southwest of Aqua Peak, Coxcomb Mountains, Joshua Tree National Monument 853 Comment
  CAS-BOT-BC68027  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside San Jacinto Mts. - summit of San Jacinto Peak 3293 Comment
  UCR26371  Cucurbita foetidissima A. C. Sanders 1981-7-11 2208 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  UCR135987  Cuscuta californica A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range, summit ridge of Alberhill Mountain, along dirt road 503 Comment
  UCR103779  Cuscuta pentagona Scott D. White 1994-10-21 2505 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
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Nov 5 2011
  UCD98518  Cycloloma atriplicifolium H. R. Greene 1920-5-11 s.n. Riverside Riverside. Comment
  RSA478741  Cycloloma atriplicifolium Lester H. Cushman 1931-10-4 s.n. Riverside Near Riverside. Comment
  SD130198  Cylindropuntia californica var. parkeri George E. Lindsay 1960-11-6 Riverside 6 miles southeast of Riverside, in rolling granite hills. (IPB 7/07) Comment
  SEINET4604351 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-9-11 17610 .2 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 275 m west of Wood Spring, 580m SW of Cottonwood Spring, 37km east of Indio 881 Comment
  SEINET5624452 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  SEINET5624472 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17507 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 500 Comment
  JOTR01119  Cylindropuntia chuckwallensis Cole, James E. 1941-5-21 763 Riverside Joshua Tree National Park. DALE, COTTONWOOD ROAD 914 Comment
  RSA356655  Cynodon dactylon R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47307 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR84066  Cynodon dactylon A. C. Sanders, L. Ard 1994-7-11 15057 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UCR189292  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SEINET269477  Cyperus eragrostis Scott D. White, Steve Ogg 1994-10-17 2490 Riverside City of Temecula Murrieta Ck channel directly W of Cherry St. USGS 71/2' Murrieta Quad. 315 Comment
  UCR92359  Cyperus esculentus Scott D. White, S. Ogg 1994-10-17 2469 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  JEPS64079  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Elsinore Lake Comment
  RSA289804  Cyperus parishii B. A. Prigge 1980-8-12 3943 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  POM11143  Cystopteris fragilis P. A. Munz 1922-7-6 6041 Riverside San Jacinto Peak, occasional at summit. 3287 Comment
  UCR193733  Cystopteris fragilis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35646 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  SEINET5327086  Dalea mollis H. M. Hall 1905-1 5792 Riverside Colorado Desert; 9 mi W of Coachella 30 Comment
  HSC87170  Dalea mollissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2167 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  JEPS41662  Dalea mollissima W. L. Jepson 1927-4-12 11637 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  RSA502504  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UC19643  Datisca glomerata H. M. Hall Aug 1897 834 Riverside San Jacinto Mountains, Riverside Riverside; San Jacinto Mountains, Riverside 1615 Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UCR35197  Datisca glomerata L. B. Ziegler 1969-7-30 389 Riverside San Jacinto Mountains, Hemet Valley. In dry creek bed in side canyon on W side of valley opposite Kenworthy R.S. 1341 Comment
  RSA0108944  Datura discolor Duncan S. Bell, Amanda Bell 2012-1-28 3066 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  SD148266  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, hills on both sides of gas pipeline route. 335 Comment
  CAS-BOT-BC293819  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  OBI16255  Deinandra kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Cyn s of Hemet Comment
  UC2015630  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: at the edge of the road to Hungry Hollow from Hwy 243 ca. 0.75 mi. SSE of Poppet Flat Rd. jct. w/243. ca. 1 mi. E of Poppet Flat Comment
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Feb 4 2015
  SD187346  Deinandra paniculata R. e. Riefner Jr. 2007-6-16 07 263 Riverside Hemet, Bautista Canyon, 2.8 miles east of Fairview Ave. on Bautista Rd. 693 Comment
  SEINET6051330  Deinandra paniculata Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. South Main Divide Road, 4.7 road mi SE of junction with Ortega Hwy (SR74). Just south of the gated entrances to Rancho Capistrano Housing Developments. Comment
  UC69879  Deinandra paniculata C. M. Wilder 1905-7-25 127 Riverside Jurupa Hills Comment
  SJSU5503  Delairea odorata R. A. Anderson 1964-12-25 Riverside Riverside 259 Comment
  SBBG34969  Delphinium parishii subsp. subglobosum T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  RSA278308  Delphinium parryi C. W. Tilforth, Walter Wisura 1979-5-23 1805 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  SBBG122777  Delphinium parryi A. Parikh 1990-4-17 152 Riverside 0.4 km S of Potrero Crk, 4.1 km ENE of Gilman Hot Springs 665 Comment
  SD143767  Delphinium parryi A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20696 Riverside San Jacinto Mountains: N side of range, Twin Pines Creek below the confluence with Broen Crk. 854 Comment
  SEINET3208900  Dendromecon rigida G. Goodwin 2012-6-14 3456 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  UCR163592  Dendromecon rigida O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CAS-BOT-BC39735  Descurainia adenophora Edmund C. Jaeger 1921-6-14 s.n. Riverside MacMullen Trail, San Jacinto Mountains. 1280 Comment
  UC1931069  Descurainia adenophora Scott D. White, Justin Wood 2008-7-8 12386 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  CAS-BOT-BC43350  Descurainia pinnata subsp. glabra K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumay. Comment
  POM91010  Descurainia pinnata subsp. glabra E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  RSA586140  Dicentra chrysantha D. L. Banks 1995-4-11 183 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, along the Dripping Springs Trail. 646 Comment
  SEINET3208887  Dicentra chrysantha G. Goodwin 2012-6-14 3442 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  CAS-BOT-BC500852  Dichelostemma capitatum Ivan Johnston 1917-4-4 1077 Riverside Palm Canyon, Colorado Desert 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
  RSA501033  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3154 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CLARK-A1528-2155  Dicoria canescens John C. Roos 1956-12-15 6605 Riverside Palm Springs 243 Comment
  POM356428  Dicoria canescens Allen 1921-10-1 s.n. Riverside Palm Springs. Comment
  SBBG61157  Dicoria canescens M. E. Jones 1928-1-3 Riverside Indio -4 Comment
  UC527699  Dicoria canescens C. B. Wolf 1930-1 2547 Riverside roadside at Cabezon; San Gorgonio Pass 518 Comment
  UC893553  Dieteria asteroides var. asteroides I. W. Clokey and E. G. Anderson 1935-4-6 6990 Riverside Hemet 600 Comment
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Mar 24 2011
  SFV7078  Dieteria canescens var. canescens T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 778 Riverside Bottomlands of Colorado River along Agnes Wilson Road. About 1.5 miles east of U.S. Highway 95. 102 Comment
  CAS-BOT-BC150930  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  SBBG25088  Diplacus bigelovii var. bigelovii D. Myrick 1966-4-5 1384 Riverside near S entrance of Joshua Tree Nat Monument Comment
  CAS-BOT-BC153091  Diplacus fremontii Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  SBBG87344  Diplacus longiflorus B. Pitzer, A. C. Sanders 1937-4-21 495 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  SD132281  Diplacus longiflorus Narca A. Moore-Craig 1984-4-5 Riverside San Jacinto State Wildlife Area appx 2 mi N of Lakeview. About 0.5 mi E of headquarters on Davis Rd. 505 Comment
  SD122437  Diplacus puniceus Duffie Clemons, J. Dice, G. Keator 1988-2-18 1944 Riverside alongside jeep trail leading into Santa Margarita Ecological Preserve west of Temecula Comment
  UCR121096  Distichlis spicata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24966 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR100110  Ditaxis californica B. G. Pitzer 1997-10-19 3355 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  RSA785425  Ditaxis lanceolata Doris Bowers 1974-5-5 2278 Riverside Anza Barrego State Park, N/o Coyote Creek 335 Comment
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Sep 11 2013
  JOTR33806  Ditaxis neomexicana La Doux, Tasha, B. Truesdell 2007-11-9 3304 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP2) 601 Comment
  RSA784767  Ditaxis neomexicana Duncan S. Bell 2012-3-18 3171 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCD142318  Ditaxis serrata Robert F. Thorne; C. W. Tilforth 1980-5-28 54166 Riverside San Bernardino Mts.; at E side of Whitewater River, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  JOTR33801  Dithyrea californica La Doux, Tasha, B. Truesdell 2007-11-9 3299 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP1) 532 Comment
  SEINET3167268  Dithyrea californica R. W. Spellenberg, N. Zucker 2005-2-14 13497 Riverside 50 km NW of Blythe on Midway Rd., 5km NW of Midway. 14 km SE of Rice 50 Comment
  CAS-BOT-BC136105  Dodecatheon alpinum Edmund C. Jaeger 1922-7-10 s.n. Riverside Tahquitz [Tacquitz] Valley - San Jacinto Mtn. Comment
  RSA674926  Dodecatheon clevelandii Scott D. White, Pam De Vries 2000-4-25 7726 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SEINET3088585 Image available Dodecatheon clevelandii Ed LaRue 1989-3-30 sn Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UC1348972  Downingia cuspidata Robert F. Thorne, E. Lathrop, and P. Munz 1968-5-8 37571 Riverside Mesa de Colorado Santa Rosa Plateau 670 Comment
  LA204315  Draba cuneifolia T. Craig; 1932-2-24 1795 Riverside Coachella Valley, Cathedral City, Coachella Valley Comment
  RSA0123751  Draba cuneifolia Duncan S. Bell, LeRoy Gross 2016-3-10 8872 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA522760  Draba cuneifolia Steve Boyd 1990-3-29 3867 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
  POM90569  Draba cuneifolia var. integrifolia E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  RSA33532  Drymocallis glandulosa N. C. Cooper 1944-6-17 1377 Riverside Above Banning. 1067 Comment
  RSA503398  Drymocallis glandulosa var. wrangelliana J. D. Olmsted 1962-5-9 3604 Riverside Bear Spring, SE side of Santiago Peak. 1524 Comment
  CAS-BOT-BC70833  Dryopteris arguta G. R. Kleeberger 1878-12-30 s.n. Riverside Temescal Comment
  RSA586858  Dudleya lanceolata D. L. Banks, S. D. Boyd 1995-5-3 0277 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
  SDSU13555  Dudleya lanceolata W. Miller with C. Mosse 1972-7-20 Riverside Upstream from Beaver dam. Comment
  RSA397830  Dudleya saxosa G. D. Wallace 1964-4-26 s.n. Riverside Hwy 111 past Pinyon Flats. Comment
  UCR86035  Dysphania pumilio Michael A. Patten 1992-5-7 92- 26 Riverside Santa Ana mtns., Santa Rosa Plateau, along Via Vaquero at Via Oesta, c. 5 km. west of Temecula 399 Comment
  RSA356486  Dyssodia cooperi Jack Rempel, Ervin H. Miller 1934-4-28 18730 Riverside From Lost Horse to Pleasant Valley. 1220 Comment
  SEINET8060926 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 13 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north. Directly under power lines, near base of tower. West of the hill 900 Comment
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Jun 5 2016
  OBI71128  Ehrharta erecta Michael Curto, Linda Allen 1992-7-15 845 Riverside Riverside, Univ of Calif campus, Arboretum, near entrance Comment
  UCR266608  Eleocharis acicularis Mitch Provance 2011-6-6 17002 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  CAS-BOT-BC112733  Eleocharis geniculata W. R. Dudley 1903-12-29 s.n. Riverside Near 7000 Palms, Palm Springs Comment
  CAS-BOT-BC112918  Eleocharis macrostachya Robert F. Thorne; E. Lathrop; S. J. Carlquist 1968-4-18 34756 Riverside Shallow water at W end of vernal marsh on Mesa de Colorado, Rancho California. 670 Comment
  POM10521  Eleocharis montevidensis var. montevidensis C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
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Jul 27 2008
  CAS-BOT-BC113296  Eleocharis parishii Steven D. Boyd; Aydee Virgen 2004-4-13 10880 Riverside San Mateo Canyon, midway between confluence with Los Almos and Tenaja Canyons. Comment
  JOTR00975  Eleocharis parishii Cole, James E. 1941-5-27 810 Riverside Joshua Tree National Park. BARKER DAM Comment
  UCR174252  Elymus condensatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32500 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
  RSA249850  Elymus elymoides R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38108 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon 1677 Comment
  CSUSB447  Elymus glaucus Heather Hanson 1966-5-16 Riverside Camp Evans; At the foot of the western side of Mount. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  UCR232774  Elymus glaucus William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 016 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  UCR20886  Elymus stebbinsii A. C. Sanders 1978-7-1 862 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR2371  Elymus triticoides F. M. Reed 1904-6-5 167 Riverside Riverside, outlet to dam in Fairmont Park Comment
  UC1518629  Emmenanthe penduliflora Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55466 Riverside San Bernardino Mts.: Side-canyon on W side of Whitewater, ca 3.3 mi N of Whitewater Post Office 594 Comment
  UC56881  Emmenanthe penduliflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  UCR214853  Emmenanthe penduliflora Bao Doan 2010-5-31 11 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  SBBG101705  Emmenanthe penduliflora var. penduliflora S. Boyd with T. Ross, M. Hammitt 1991-5-2 6084 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SBBG35073  Emmenanthe penduliflora var. penduliflora T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR215515  Emmenanthe penduliflora var. penduliflora Daphne K. Christopher, Hannah I. Stevens 2003-4-4 084 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  CAS-BOT-BC131163  Encelia actoni Lewis S. Rose 1935-12-21 35680 Riverside Cabazon 609 Comment
  POM9617  Encelia californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  CAS-BOT-BC131324  Encelia farinosa Peter H. Raven 1958-2-15 11586 Riverside Along U. S. Highway 60, 8.7 miles east of road to Wiley Wells Comment
  CAS-BOT-BC131340  Encelia farinosa H. A. Zuill 1966-6-5 190 Riverside 1 mile SW of Murrieta on the Tenaja Grade Comment
  RSA703482  Encelia farinosa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1435 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG8060  Encelia farinosa H. and M. Dearing 1939-12-31 4046 Riverside near Palm Springs Comment
  UC472322  Encelia farinosa Geo. B. Grant 1906-4-20 396 -6720 Riverside Palm Springs Southern California, Palm Springs Comment
  RSA151102  Encelia farinosa var. farinosa Peter H. Raven 1962-4-7 17113 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  SEINET3146517  Encelia frutescens L. S. Rose 1935-12-23 35701 Riverside Colorado Desert; above Deep Cyn., San Jacinto Mts., 22 mi. S of Cathedral City 1067 Comment
  UC1979833  Encelia frutescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 981 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  CAS-BOT-BC81535  Ephedra californica Lewis S. Rose 1940-3-13 40113 Riverside [Whitewater] White Water 60 Comment
  POM14278  Ephedra californica Philip A. Munz, I. M. Johnston 1922-5-7 5286 Riverside Between Whitewater & Mission Creeks. Dry rocky mesa. 366 Comment
  RSA167539  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside Desert wash near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernrardino Co. line. Comment
  UC813690  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon Cottonwood Canyon (ca 100 yds e of Spring in sandy wash) Comment
  NY70797  Ephedra viridis R. F. Thorne 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 914.4 Comment
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Oct 9 2010
  UC1329984  Ephedra viridis James E. Cole 1941-4-10 509 Riverside Twin Tanks Joshua Tree National Monument, Twin Tanks Comment
  RSA630329  Epilobium brachycarpum Scott D. White 1996-9-22 4538 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  UCR282410  Epilobium brachycarpum Mitch Provance 2009-7-1 709- 08 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  SD262323  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517 28 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 (Romoland 7.5'Q) 430 Comment
  RSA596163  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1216 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  CAS-BOT-BC171749  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-21 11587 Riverside Live Oak Tank, Joshua Tree National Monument 1219 Comment
  RSA5469  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA588530  Epilobium canum subsp. latifolium J. S. Stubblefield 1932-10-10 s.n. Riverside Near Colorado River. Comment
  UCR23534  Epilobium oregonense John C. Roos 1937-8-18 2528 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  RSA0121456  Epipactis gigantea Duncan S. Bell, LeRoy Gross 2016-3-30 9136 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CDA2087  Eragrostis cilianensis Steve Boyd 1989-7-9 3770 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CAS-BOT-BC213600  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. & Sparky, just E of Washington and S of I-10 30 Comment
  UC18773  Eremalche exilis S. B. Parish Apr 4 1896-Apr 13 1896 4110 Riverside Palm Sprngs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Sprngs (Agua Caliente) 152 Comment
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  RSA432730  Eremalche rotundifolia Anstruther Davidson 1930-5-27 s.n. Riverside 50 miles East of Colorado Desert Comment
  UCR251669  Eremalche rotundifolia Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 766 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA206252  Eremogone ferrisiae Reid V. Moran 1968-8-3 15366 Riverside N slope 1 mile W of summit, Santa Rosa Mtn. 2150 Comment
  SD187443  Eremothera refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Northeastern Colorado Desert region, just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UCR245259  Eremothera refracta Jim Andre 2012-3-19 21306 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  SD124099  Eriastrum densifolium subsp. austromontanum C. W. Tilforth 1976-7-21 1222 Riverside Ca. 5.0 miles north of Idyllwild. 1524 Comment
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Mar 2 2013
  SDSU3046  Eriastrum densifolium subsp. elongatum S. J. Banrhart 1966-4-24 Riverside 1 mile east of McAllister Street along the Metropolitan Water Co. Utility Road (Dirt). which is 1.5 miles south-east of the intersection of McAllister Street and Victoria Avenue. 457 Comment
  UC68784  Eriastrum diffusum H. M. Hall Apr. 1905 5965 Riverside near McCoy Wash; Colorado Desert 91 Comment
  SD258974  Eriastrum diffusum subsp. coachellae Sarah J. De Groot 2005-5-16 4968 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through Bajada of Little San Bernardino Mountains. 495 Comment
  RSA594049  Eriastrum filifolium D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0921 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  UCR280929  Eriastrum filifolium Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 31 Riverside Temescal Valley, Mayhew Wash, N side of Temescal Canyon Rd., vicinity of I-15 320 Comment
  RSA0120672  Eriastrum harwoodii David Gowen 2008-3-25 822 Riverside Sand dunes about 3 miles south of Rice. Comment
  UC907918  Eriastrum sapphirinum Carl V. Meyer June 1927 152 Riverside hills near Temecula Comment
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Sep 30 2009
  UCR177027  Eriastrum sapphirinum Tracy Tennant 1998-6-5 s.n. Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  RSA0121574  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  CAS-BOT-BC515040  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1896-8-1 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  RSA674530  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside North of Alvin Meadow near USFS Road 5S10 (Red Hill Rd) (Lk Fulmor/Blackburn Cyn. 1616 Comment
  LA204641  Ericameria nauseosa H. Lewis; 1939-10-22 1035 Riverside San Jacinto Mountains, Hemet Lake Comment
  CAS-BOT-BC299527  Ericameria palmeri var. pachylepis H. M. Hall 1930-11-9 13026 Riverside Aguanga Hills 5 mies from Aguanga Comment
  POM266285  Ericameria palmeri var. pachylepis J. C. Roos 1937-11-2 2447 Riverside Hills N of Pigeon Pass, Northwestern Riverside County. Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  RSA782141  Ericameria paniculata Stephanie Rockwood, Christi Gabriel 2011-10-18 145 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  UCD131522  Ericameria paniculata Glen Holstein 1978-12-31 s.n. Riverside along Highway 111, 3 miles northwest of intersection with road to Palm Springs aerial tramway. 152 Comment
  UC1979604  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 0788 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. Comment
  UC323004  Ericameria pinifolia H. M. Hall 1927-10-23 12300 Riverside between Temecula and Pala (San Diego Co.) Comment
  UCR106917  Ericameria pinifolia D. L. Banks, L. Raz 1996-11-5 1155 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCR187353  Erigeron divergens Naomi Fraga, Bryan Carey 2006-6-1 1689 Riverside Peninsular Ranges; San Jacinto Mountains region, near Morris Creek on a 4W drive trail, c. 0.5 mi SW of Tripp Meadow 1585 Comment
  RSA701120  Erigeron foliosus Michael Wall 1996-7-1 168 Riverside Cherry Valley, Beaumont/Oak Glen Rd., 2.6 mi. N of Cherry Valley Blvd., W side of road in open flat field. 610 Comment
  UCR165849  Erigeron foliosus T. B. Salvato, John F. Green 2004-5-27 634 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
  CAS-BOT-BC296236  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside Snow Creek Canyon just above fish hatchery, No. base of San Jacinto Mts. 670 Comment
  UC63037  Erigeron foliosus var. foliosus H. M. Hall 1899-5-1 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  CAS-BOT-BC189121  Eriodictyon crassifolium var. crassifolium H. M. Hall 1901-6-1 2006 Riverside Western Base Comment
  SDSU13910  Eriodictyon crassifolium var. crassifolium Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2156 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, southern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR107756  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR127545  Eriogonum angulosum A. C. Sanders, Mark Elvin 2001-8-17 24597 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UCR26508  Eriogonum apiculatum A. C. Sanders, J. A. Harpel 1981-8-26 2333 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 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
  JOTR16808  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  JOTR32035  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2265 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  POM12806  Eriogonum davidsonii P. A. Munz 1922-6-25 5822 Riverside Between Hemet Valley and Vandeventer. 1433 Comment
  RSA674658  Eriogonum davidsonii Scott D. White 2000-8-5 8118 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SEINET6340536  Eriogonum davidsonii Richard Walker 1967-9-30 91 Riverside About 2 miles below Black Mountain Camp on north side of road embankment ca. 6ft. off. San Jacinto Mountains 1981 Comment
  UCD99872  Eriogonum davidsonii G. L. Webster; R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., Yucca-Juniperus parkland at Split Rock. Comment
  UCR103174  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  UCR133450  Eriogonum davidsonii Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 476 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR72173  Eriogonum deflexum Theo Glenn 1991-5-15 91- 134 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  HSC17267  Eriogonum deflexum var. deflexum C. L. Hitchcock, C. V. Muhlick 1964-3-22 23257 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  JOTR35263  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2218 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA393285  Eriogonum deflexum var. deflexum S. B. Parish 1912-10-11 8290 Riverside Caleb, Salton Basin. -61 Comment
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Sep 4 2011
  UCR92601  Eriogonum elongatum Scott D. White, M. A. Patten 1995-8-16 3544 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  CLARK-A1528-997  Eriogonum fasciculatum subsp. polifolium John C. Roos 1948-5-15 3844 Riverside Eagle Mountains 853 Comment
  RSA0065505  Eriogonum fasciculatum subsp. polifolium Marion P. Harthill 1971-3-19 45 & 52 Riverside Borrego Desert. Comment
  UC68576  Eriogonum fasciculatum var. flavoviride H. M. Hall May, 1903 6003 Riverside Cottonwood Pass 731 Comment
  RSA500168  Eriogonum fasciculatum var. foliolosum Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3659 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  UCR137479  Eriogonum fasciculatum var. foliolosum D. L. Banks 1997-3-16 1540 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  SBBG62113  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11253 Riverside Temescal Cyn Comment
  UCR274554  Eriogonum gracile Mitch Provance, Ken Halama 2003-6-15 17048 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA680836  Eriogonum gracile var. incultum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8667 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR102436  Eriogonum gracile var. incultum G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  JOTR35262  Eriogonum heermannii var. argense La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3247 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  RSA795943  Eriogonum inflatum Duncan S. Bell 2009-4-19 277 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCD100277  Eriogonum inflatum L. S. Rose 1935-12-30 s.n. Riverside Hot Springs, 7 miles north of Garnet, Colorado Desert. 609 Comment
  UCR20696  Eriogonum inflatum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1323 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
  CAS-BOT-BC263118  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  JOTR32458  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2604 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UCR270285  Eriogonum microthecum John F. Emmel 1998-11-14 1605 Riverside San Jacinto Mountains, along Pacific Crest Trail, 5.7-6.5 trail miles north of Hwy 74, c. 0.2 air mile SSE of Tunnel Spring 1799 Comment
  POM49276  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idyllwild. 1616 Comment
  POM244313  Eriogonum saxatile E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  CAS-BOT-BC263521  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside Hills just n. of Milpitas Wash, Ogilby-Blythe Road Comment
  CAS-BOT-BC263533  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs Comment
  POM128742  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Canyon. Comment
  RSA779729  Eriogonum thomasii Duncan S. Bell 2009-3-8 97 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SD174876  Eriogonum thomasii Mark A. Elvin 2005-4-26 4225 Riverside Coachella Valley; N of Agua Caliente Indian Reservation, N of Ramon St. 3km NW of thousand Palms 182 Comment
  SEINET3087249 Image available Eriogonum thomasii Norman C. Cooper 1949-4-8 3247 Riverside Mecca Pass east of Indio. Comment
  SJSU8836  Eriogonum thomasii R. C. McGehee 1970-4-15 196 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UCR148450  Eriogonum thomasii 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
  SEINET3160070  Eriogonum thurberi G. B. Grant 1906-5-1 440 -A Riverside on Colorado desert at Palm Springs Comment
  UC412837  Eriogonum trichopes Geo. B. Grant May 1 1906-May 10 1906 444 -6719 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR13757  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1969-11-22 240 Riverside Peninsular Range; San Jacinto Mtns., south end Marion Ridge Road, Pine Cove, Idyllwild 1829 Comment
  UC1133260  Erioneuron pulchellum H. S. Yates 1937-6-27 Riverside Deep Canyon Thermal Quadrangle (head) Comment
  CAS-BOT-BC298486  Eriophyllum ambiguum var. paleaceum L. R. Abrams 1926-3-26 11013 Riverside Palm Springs Comment
  HSC5616  Eriophyllum confertiflorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23106 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  OBI8313  Eriophyllum confertiflorum David J. Keil, Malcolm McLeod 1977-3-26 12028 Riverside 0.7 mi W of jctn with Riverside county rd. R-3 (to Hemet) along Calif Rt 79. 549 Comment
  RSA543182  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6121 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  POM305809  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1050 Riverside Elsinore. Comment
  JEPS30442  Eriophyllum wallacei Peter H. Raven 1958-3-16 11871 Riverside 4.3 mi e Cholla Cactus Garden; Joshua Tree National Monument Comment
  JOTR35462  Eriophyllum wallacei Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 65 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  POM14085  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-14 4981 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA628478  Eriophyllum wallacei A. C. Sanders 1994-5-29 14579 Riverside East Branch Millard Canyon, along Forest Service Road 4S45. 1200 Comment
  SD73607  Eriophyllum wallacei Helen V. Witham 1970-4-29 821 Riverside 22 miles east of Lake Hemet. 1000 Comment
  SEINET1906294  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-1 5195 Riverside Along snow Creek road, off highway 111, ~1 mi. from Snow Creek Village. 366 Comment
  SEINET8753388 Image available Eriophyllum wallacei Philip A. Munz 1949-1 13023 Riverside Near conejo Well, north base of Eagle Mts., Mojave desert 914 Comment
  UCR265820  Erodium botrys Mitch Provance 2012-5-24 512- 01 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SEINET12182127  Erodium botrys J. F. Bright, Wyman, C. 1933-1 8043 Riverside Banning Comment
  UCR116458  Erodium brachycarpum A. C. Sanders, T. B. Salvato 2001-3-30 23858 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  SD255192  Erodium cicutarium Duncan S. Bell, Amanda Bell 2012-1-28 3067 Riverside East side of Arica Mountains; Rice Valley, ca. 6.0 air miles southeast of the ghost town of Rice. 202 Comment
  RSA788555  Erodium texanum Duncan S. Bell 2012-3-8 3149 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  RSA396463  Erysimum capitatum W. Wisura 1987-5-21 4160 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  RSA761755  Erysimum capitatum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 650 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC729822  Erysimum capitatum Carl B. Wolf 1932-8-4 3910 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA0020065  Erythranthe guttata Philip A. Munz 1937-5-30 15098 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA0020063  Erythranthe guttata Philip A. Munz 1932-3-14 12007 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA433695  Eschscholzia californica D. A. Young 1969-3-21 395 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  RSA586807  Eschscholzia californica D. L. Banks, S. D. Boyd 1995-5-3 244 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
  UCR232477  Eschscholzia californica Amanda Lovelady, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 22 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR281243  Eschscholzia californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 74 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR51681  Eschscholzia californica Lyman Benson 1952-4-8 14850 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  JEPS21007  Eschscholzia minutiflora H. M. Hall May 17 1901-Jun 1 1901 1804 Riverside from Riverside to Santa Rosa Peak and Palomar Comment
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Nov 27 2011
  SEINET9367865  Eschscholzia minutiflora Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC10051  Eschscholzia minutiflora S. B. Parish Apr 4 1896-Apr 13 1896 4106 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  UCR240995  Eschscholzia minutiflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 50 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA0023200  Eschscholzia papastillii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11272 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  CLARK-A1528-687  Eschscholzia parishii Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  SEINET10476299  Eschscholzia parishii David Charlton 1988-2-18 Charlton 1152 Riverside Alluvial Fan, S side of Little Sand Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. Creosote Bush Scrub. 5 mi. E of Jct. Dillon Rd. and Fargo Cyn. Rd. 762 Comment
  UC195337  Escobaria vivipara var. alversonii S. B. Parish 1916-5-13 10861 Riverside Shaver's Well; Colorado Desert Comment
  UCR51352  Eucalyptus camaldulensis S. J. Myers 1988-1-27 s.n. Riverside Partin Development, Nuevo Road and Foothill Avenue, c. 1.5 mi west of Nuevo 442 Comment
  SBBG4842  Eucnide urens H. and M. Dearing 1942-4-5 4862 Riverside Colorado River and Riverside Mtns Comment
  UCR241820  Eucrypta chrysanthemifolia A. C. Sanders, Timothy W. Chumley 2013-4-2 40756 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  RSA27708  Eucrypta chrysanthemifolia var. bipinnatifida C. L. Hitchcock 1940-4-1 5908 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  SBBG35042  Eucrypta chrysanthemifolia var. bipinnatifida T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning Comment
  SEINET10638532  Eucrypta chrysanthemifolia var. chrysanthemifolia Greg Gust, Leith Nye 2005-3-10 Gust 536 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  UC172906  Eulobus californicus E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  RSA113529  Euonymus occidentalis var. parishii E. K. Balls, C. H. Dodson 1955-9-20 21442 Riverside Just below Dark Canyon campground. 1616 Comment
  UCR172190  Euphorbia albomarginata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA778412  Euphorbia eriantha Stephanie Rockwood, Christi Gabriel 2011-10-4 056 Riverside Cuckwalla Bench ACEC. Take Red Cloud Wash Rd to Gas Line Rd to Queen Esther Rd. Approximately 4 miles on Queen Esther Road. 673 Comment
  CAS-BOT-BC123992  Euphorbia micromera John Thomas Howell 1931-6-5 6651 Riverside South of Palm Springs near Cathedral City Comment
  SD251222  Euphorbia ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside The Mecca Hills; in an unnamed canyon btween Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Canyon. 138 Comment
  SEINET3828351  Euphorbia polycarpa Amber Swanson 2011-1 653 Riverside On a flat sandy wash areas 426 Comment
  POM214415  Euphorbia polycarpa var. hirtella E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  RSA432472A  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-4-8 1092 Riverside Andreas Canyon. 305 Comment
  UCR102927  Euphorbia setiloba George K. Helmkamp, E. A. Helmkamp 1998-2-5 2686 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  CAS-BOT-BC300509  Euphorbiaceae O. F. Clarke 2004-3-19 s.n. Riverside Peninsular Range: Riverside; UCR Botanical Garden 412 Comment
  CAS-BOT-BC239709  Fabaceae Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC167376  Fagonia laevis Edmund C. Jaeger 1920-3-31 s.n. Riverside Hills south of Palm Springs Comment
  CAS-BOT-BC171038  Fagonia laevis A. C. Sanders; E. J. Lawlor 1992-4-4 12086 Riverside Within 1/2 mile of McCoy Spring, alluvial slopes below and to the south and canyon bottom above the spring - McCoy Mountains 243 Comment
  RSA0112089  Fagonia laevis Duncan S. Bell 2010-2-21 548 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  RSA391189  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UC667351  Fagonia laevis Annie M. Alexander and Louise Kellogg 1941-5-26 2235 Riverside n wall Munsen Canyon; Eagle Mts. 822 Comment
  JOTR34003  Festuca bromoides La Doux, Tasha, M. Harding 2010-4-7 2891 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR137695  Festuca megalura D. L. Banks, V. W. Steinmann 1997-3-13 1481 B Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR24054  Festuca microstachys John C. Roos 1950-4-15 4737 Riverside The summit of Reche Canyon 793 Comment
  UCR267284  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15- 217 Riverside City of Corona, Corona City Park, east side of Rimpau Ave. on north side of 6th St. 211 Comment
  UCD170918  Ficus palmata A. C. Sanders; R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR174131  Filago arizonica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32611 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
  RSA336046  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52029 Riverside Chino Canyon Comment
  RSA543788  Filago californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6045 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
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 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
  UCR48530  Filago californica Steve Boyd 1986-4-19 1695 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA356984  Filago gallica R. F. Thorne 1973-5-23 43869 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  JEPS83134  Fouquieria splendens subsp. splendens R. P. Allen 1935-3-23 Riverside Shaver's Well Comment
  RSA391416  Frankenia grandifolia S. B. Parish 1897-06 2589 Riverside Elsinore Lake Comment
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Nov 24 2011
  RSA618388  Frasera parryi D. L. Banks 1997-5-5 1975 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SDSU7117  Frasera parryi D. F. Howe 1936-6-14 364 Riverside San Jacinto Mountains. Comment
  OBI12171  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts, Penrod Cyn SE of Kenworthy Guard Station Comment
  UC1608287  Fraxinus velutina Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7330 Riverside San Mateo Canyon, along stream and adjacent benches from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon San Mateo Canyon; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  UCR259203  Fraxinus velutina Mitch Provance 2012-3-30 312- 02 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  RSA601077  Fraxinus velutina var. coriacea A. C. Sanders 1996-5-1 18133 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  RSA735064  Funastrum cynanchoides var. cynanchoides Scott D. White, Angelia Carey 2004-6-4 10478 -A Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA700106  Funastrum cynanchoides var. hartwegii Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  JOTR35003  Funastrum hirtellum La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3105 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA171053  Funastrum hirtellum R. F. Thorne 1963-3-29 32430 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 533 Comment
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Apr 24 2011
  POM96062  Funastrum hirtellum P. A. Munz 1926-1-1 10817 Riverside Thousand Palms, Riverside County. Comment
  POM11431  Galium andrewsii subsp. andrewsii Philip A. Munz 1922-7-3 5958 Riverside South side of Santa Rosa Mts. 1677 Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  RSA643669  Galium angustifolium A. C. Sanders 1995-4-13 16483 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. and dirt extension, 1.7 mile above Sierra Blvd. 701 Comment
  UCR156079  Galium angustifolium T. B. Salvato, Kent Beaman 2005-5-16 821 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
  POM337416  Galium angustifolium subsp. angustifolium F. R. Fosberg 1929-5-3 S 1029 Riverside Head of Temecula Valley. Comment
  POM46851  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 A Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA87112  Galium angustifolium subsp. angustifolium F. W. Peirson 1920-6-22 4500 Riverside Dripping Springs, Temecula River 457 Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  RSA219237  Galium parishii C. W. Tilforth 1970-9-2 303 Riverside On road to Santa Rosa Mtn. Comment
  UCR17531  Galium parishii Frank C. Vasek 1979-7-26 790726- 02 d Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  SBBG7318  Galium stellatum H. and M. Dearing 1942-3-12 4830 Riverside Dos Palmas Cyn, near Palms to Pines Hwy 426 Comment
  UCSB45609  Galium stellatum Roos, John 1949-4-6 Riverside Canyon in the Orocopia Mtns. 2 1/2 miles N.E. of Dos Palmas Spring 182 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  CAS-BOT-BC178385  Garrya flavescens H. E. McMinn 1925-7-2 1514 Riverside Tahquitz Trail, Idyllwild, San Jacinto Mts. Comment
  JEPS29087  Garrya flavescens Carl V. Meyer Jun 1927 183 Riverside along Idyllwild to Tahquitz Peak trail (n slope of Tahquitz Ridge); Tahquitz Ridge 1828 Comment
  UC1871081  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Peninsular Ranges; Palomar Mountains region; 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 rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  CAS-BOT-BC303577  Geraea canescens Carl B. Wolf 1932-4-27 3066 Riverside Colorado Desert. 16 miles E of Desert Center 121 Comment
  POM308426  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3073 Riverside Indio. Comment
  UC61547  Geraea canescens Miss Mary McKibben 1904-5-1 Riverside Mecca Comment
  UC68869  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UCR100866  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-18 2708 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR178830  Gilia Jeffrey Ross 1998-5-7 MOR- 079 Riverside San Bernardino Mtns., Morongo Indian Reservation, Wood Canyon, just below tree stand W-05 1159 Comment
  RSA776210  Gilia angelensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 862 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SD262343  Gilia angelensis Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 75 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. (Alberhill 7.5'Q) 392 Comment
  SDSU18400  Gilia angelensis C. Matt Guilliams 2008-2-27 480 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 407 Comment
  UCR19148  Gilia angelensis John C. Roos, L. Roos 1954-4-17 6069 Riverside Pass at summit of Reche Canyon 732 Comment
  UCR49235  Gilia angelensis Steve Boyd 1986-4-2 1615 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA171379  Gilia diegensis J. D. Olmsted 1962-5-3 3537 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR148447  Gilia latifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UC1595613  Gilia ochroleuca subsp. exilis Steve Boyd 1991-5-20 6278 Riverside 1/2 mi e; Cleveland Nat. For. boundary (nw of Lake Elsinore, Lower Rice Canyon); Santa Ana Mountains, nw of Lake Elsinore 518 Comment
  UC908024  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside near Auto Camp (Temescal Canyon); Temescal Canyon 304 Comment
  UCR48345  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA172305  Gilia stellata R. F. Thorne 1963-3-29 32414 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  UC908852  Gilia stellata John Thomas Howell 1928-3-25 3541 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR88428  Gilia stellata A. C. Sanders, K. C. Rose 1995-4-5 16348 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CAS-BOT-BC435006  Glinus lotoides Scott D. White 1995-9-22 3688 Riverside San Jacinto Valley. Marsh AFB, W of Plummer Rd. and S of Cactus Rd., +-0.7 mi W of 215 Fwy. 457 Comment
  UCR275274  Glinus lotoides T. B. Salvato, Gregg Miller 2005-6-7 1490 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  SEINET3386513 Image available Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 905 Riverside San Bernardino Mtns: Morongo Indian Reservation, seep in Wood Canyon 550 Comment
  RSA180320  Gnaphalium californicum E. W. Lathrop 1965-4-4 5621 Riverside 8 miles west of Murrieta Comment
  UCR165604  Gnaphalium californicum T. B. Salvato, John F. Green 2004-5-27 708 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
  UCR202422  Gnaphalium californicum Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  RSA596162  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  UCR231043  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kent Beaman 2011-9-27 39919 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  UCR90605  Gnaphalium leucocephalum Scott D. White 1995-6-29 3393 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA192004  Gnaphalium luteoalbum E. W. Lathrop 1966-4-13 6166 Riverside 3 miles NW of Murrieta Comment
  UCR133325  Gnaphalium luteoalbum John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR59779  Gnaphalium luteoalbum Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  RSA192328  Gnaphalium palustre H. A. Zuill 1966-6-29 262 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  RSA629020  Gnaphalium stramineum Scott D. White 1998-6-28 6797 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  SEINET3090328 Image available Grayia spinosa P. A. Rauch 1966-4-16 Riverside Entrance to Titus Canyon Road (off Nevada State Hwy. 58 between Beatty, Nev. - Death Valley Nat'l Mon't, Calif.) Comment
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Aug 3 2013
  SEINET3071480  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17497 Riverside Queen Mountain quadrangle, zone 11 0584612mE 3763271mN NAD83, Queen Valley, 14.5 km SSW of Twenty Nine Palms, 2.2km south of Negro Hill 1354 Comment
  UC277045  Grusonia parishii E. C. Jaeger May 1921 Riverside near King Mine; Little San Bernardino Mountains Comment
  RSA777829  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 855 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  RSA717577  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  SD186087  Gutierrezia californica A. C. Sanders 2004-6-20 28212 Riverside Temescal Canyon, Serrano Highlands project between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR199652  Gutierrezia californica Justin M. Wood 2008-7-16 26 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR261141  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41736 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 400 Comment
  LA203631  Gutierrezia sarothrae W. Pequegnat; 1937-9-6 sn Riverside Santa Ana Mountains, Ortega Rd Comment
  RSA561421  Gutierrezia sarothrae Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7688 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  CAS-BOT-BC231097  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Between Indian Truck Trail and Horsethief Wash 365 Comment
  RSA0066617  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR225448  Hedypnois cretica A. C. Sanders 2011-3-29 38836 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  SEINET3083750 Image available Heliotropium curassavicum subsp. oculatum John Dean 1965-4-15 Riverside Palo Verde Valley, 5 miles north of Palo Verde on Highway 78 91 Comment
  RSA34522  Heliotropium curassavicum var. oculatum N. C. Cooper 1943-1 948 Riverside Hemet. 305 Comment
  UC489018  Hemizonella minima C. V. Meyer 1929-6-16 761 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  CLARK-A1528-1917  Hemizonia fasciculata John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  UCR121807  Hemizonia fasciculata A. C. Sanders, Carolyn Washburn 2001-4-17 24061 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR155306  Hemizonia fasciculata A. C. Sanders 2005-5-4 29842 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR116534  Hemizonia kelloggii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24185 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR157722  Hemizonia kelloggii John Wear, Tim Wade 1991-5-7 91- 35 Riverside Perris - Aguanga Basin area, SW flank of Double Butte, SW of Homeland and north of Grand Avenue 686 Comment
  RSA94066  Hemizonia kelloggii F. W. Peirson 1924-6-21 4757 Riverside Temescal Canyon. 290 Comment
  UCR201461  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-10 12446 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR199653  Hemizonia paniculata Justin M. Wood 2008-7-16 25 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  RSA520923  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2055 Riverside California Dept. of Fish and Game, San Jacinto Wildlife Area. Populations are found just west of the old San Jacinto river channel and adjacent to the first waterfowl pond. 476 Comment
  RSA614387  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 -B Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 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
  UCR95394  Hemizonia pungens subsp. laevis C. W. Tilforth, W. Wisura 1981-8-10 2112 Riverside Peninsular Range, Along Reinhardt Creek, south of Maze Stone County Park, between Hemet and Homeland, north of Hwy 74 Comment
  RSA68718  Hesperocallis undulata Frank W. Peirson 1927-4-13 7178 Riverside Canyon near east end of Santa Rosa Mountains, 8 miles from boulevard; desert near Mecca. Comment
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Nov 13 2011
  RSA617160  Hesperocnide tenella Scott D. White, M. Jacobsmeyer 1996-4-20 3943 Riverside Bundy Cyn., SE of Lk Elsinore. About 1 rd. mi (0.2 mi) E of Bundy Cyn Rd. exit from I-15 freeway; 451 Comment
  RSA85451  Hesperocnide tenella J. C. Roos 1952-4-13 5537 Riverside North side of Box Canyon 396 Comment
  RSA739711  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35634 Riverside Peninsular Range; San Jacinto Mtns.: May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCSC001315  Heterocodon rariflorum Peter Kamb 1948-7-11 1202 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  SEINET10873418  Heterocodon rariflorum Wilder WILDER s.n. Riverside SAN JACINTO MTS. STRAWBERRY VALLEY Comment
  UC1211966  Heterotheca grandiflora Otto T. Solbrig 1958-8-18 2757 Riverside junction of Highway 71 and Highway 395 (on road to Palomar) Comment
  CAS-BOT-BC206630  Heuchera hirsutissima Carl B. Wolf 1932-8-5 3977 Riverside Summit of San Jacinto Peak, San Jacinto Mountains 3293 Comment
  UC64040  Heuchera hirsutissima H. M. Hall 320 1/2 Riverside on the peak San Jacinto Mountains 3293 Comment
  CHSC27880  Hibiscus denudatus Mike Cecchini 1978-3-24 4 Riverside Palm Springs. Medium population, ca. 200 m s of Palm Canyon Wash and 5 m ne of the Broadmoor Dr. water tank, 3 km se of Palm Springs Municipal Airport. 315 Comment
  JOTR16639  Hirschfeldia incana Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. AT PROSPECT 1/2 MILE WEST SPLIT ROCK 1402 Comment
  RSA405280  Hoffmannseggia glauca N. C. Cooper 1949-4-8 3322 Riverside Blythe. 259 Comment
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Nov 20 2011
  CAS-BOT-BC207573  Hoffmannseggia microphylla Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9564 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  SBBG119035  Hoffmannseggia microphylla S. J. DeGroot, T. Thibault, V. Arvizu, L. Gross, L. Rojas 2004-5-14 4335 Riverside N of the Chocolate Mtns, just N of the Bradshaw Trail, S of Orocopia Mtns 168 Comment
  RSA674921  Hoita macrostachya Scott D. White, P. De Vries 2000-4-25 7734 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA788348  Hoita macrostachya Linda M. Prince, Duncan S. Bell 2009-6-17 581 Riverside Cleveland National Forest. Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  SD232146  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside San Jacinto mountains, Johnson Meadow Comment
  UCR110453  Hordeum depressum D. E. Bramlet 1998-4-22 2602 Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR107839  Hordeum murinum Scott D. White, M. Jacobsmeyer 1996-4-20 3971 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR91918  Hordeum murinum A. C. Sanders, S. Hawkins 1996-4-24 18087 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA688909  Hordeum murinum subsp. glaucum Scott D. White 2001-4-18 8354 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA651805  Hordeum murinum subsp. glaucum L. E. Francois 1966-3-23 32366 -3 Riverside City of Riverside, southeast corner of lysimeters at U.S. Salinity Laboratory prorperty, located at 14th Street & Palm Avenue 289 Comment
  POM193759  Horsfordia alata Marjorie D. Clary 1930-4-25 s.n. Riverside Coachella Valley about sea level Comment
  RSA752117  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CAS-BOT-BC312583  Hulsea vestita subsp. callicarpha Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  POM11998  Hulsea vestita subsp. callicarpha Mary F. Spencer 1921-5-18 1200 Riverside Idyllwild; San Jacinto Mt. 1706 Comment
  POM274195  Hulsea vestita subsp. callicarpha J. C. Roos 1946-8-27 2783 Riverside Santa Rosa Mts. 2407 Comment
  POM360712  Hulsea vestita subsp. callicarpha Christopher Davidson 1978-6-15 7393 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  CAS-BOT-BC312628  Hymenopappus filifolius var. lugens H. M. Hall 1899-5-25 11781 Riverside Western borders of the Colorado Desert. Coyote Canyon 1524 Comment
  JOTR37450  Hymenoxys cooperi Hodges, Stephen, T. Green 2016-5-24 572 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA739710  Hypericum formosum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35632 Riverside Peninsular Range; San Jacinto Mtns.: May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR195117  Hypericum formosum A. C. Sanders, Tim Thomas 2008-8-1 35946 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA388391  Hypericum perforatum R. F. Thorne 1985-7-18 60067 Riverside Santa Rosa Plateau: Upper Clinton Keith Road 488 Comment
  PASA1158  Hyptis emoryi 1930-3-30 Riverside Painted Canyon Comment
  RSA0094192  Hyptis emoryi Duncan S. Bell, Evan Meyer 2014-10-29 7681 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCSB44874  Hyptis emoryi Collins, Elizabeth 1977-3-29 Riverside East of N. Palm Springs, 2.5 miles up Thousand Palms Cyn. Rd. from Dillion Rd 91 Comment
  UCR19519  Isocoma acradenia var. eremophila John C. Roos 1965-10-12 s.n. Riverside Sonoran (Colorado) Desert, near Indio -6 Comment
  SD146013  Isocoma menziesii Mitch Provance 1999-3-28 1074 Riverside Riverside; Belltown area, gravel pits just south of 26th Street and Hall Ave. 249 Comment
  CDA32895  Isocoma menziesii var. menziesii Mike Lahti 2009-10-25 PDR# 1501843 Riverside On banks of Temecula Creek, near downtown Temecula. 0 Comment
  UC1929839  Isocoma menziesii var. vernonioides Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10667 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  LA85176  Isomeris arborea O. H. Kappler; 1941-3-15 127 Riverside Morongo Pass Area, Desert City Comment
  SEINET3405576 Image available Isomeris arborea var. angustata Lewis S. Rose 1938-12-18 38323 Riverside Palm Springs. 137 Comment
  UC12386 Image available Ivesia callida H. M. Hall 1901-8-1 2611 Riverside near Tauquitz; San Jacinto Mts.; near Tauquitz, San Jacinto Mts. Comment
  UCD51381  Jarava speciosa A. A. Beetle 1946-6-10 4387 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  RSA0011071  Juglans californica Justin M. Wood 2008-9-19 137 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA790106  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 -126 Riverside Santa Ana Canyon, end of Green River Rd. near entrance to Green River Golf Course. 125 Comment
  UCR127917  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CAS-BOT-BC110068  Juncus acutus W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs. Comment
  UCR20982  Juncus acutus subsp. leopoldii A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1337 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UC1930100  Juncus arcticus var. mexicanus Scott D. White, Justin Wood 2008-6-5 12062 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  UCR167845  Juncus bufonius T. B. Salvato, Melissa Clemons 2005-6-2 1348 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
  UCR170124  Juncus bufonius Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 103 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR172217  Juncus bufonius 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
  UCR110929  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA293328  Juncus dubius C. W. Tilforth, Walter Wisura 1981-7-10 2114 Riverside South leg of Red Mountain loop, east of Highway R3, south of Hemet. Comment
  UC1931209  Juncus effusus Scott D. White, Justin Wood 2008-6-18 12233 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  RSA247274  Juncus effusus subsp. austrocalifornicus G. D. Wallace, D. H. Wilken 1966-7-3 652 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  RSA601211  Juncus effusus subsp. austrocalifornicus Scott D. White 1996-8-15 4463 Riverside San Jacinto Mountains, Idyllwild Area: Alvin Meadows and unnamed canyon upstream. USGS Blackburn Canyon 7.5 topo (immed. adjacent to Idyllwild topo) 1524 Comment
  RSA682460  Juncus effusus subsp. austrocalifornicus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8641 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA69630  Juncus mexicanus F. W. Peirson 1924-6-1 4676 Riverside River lands along Santa Ana River. 152 Comment
  SEINET10755901  Juncus rugulosus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12832 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA249847  Juncus tiehmii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38115 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA588173  Juncus xiphioides Darin L. Banks, Victor Steinmann 1995-7-10 745 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  CLARK-A1528-2669  Juniperus californica John C. Roos 1952-4-16 5541 Riverside Box Springs 457 Comment
  CAS-BOT-BC234576  Justicia californica Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  LA202787  Justicia californica B. Lewis; 1939-4-9 sn Riverside Palms to Pines Highway 152 Comment
  RSA778413  Justicia californica Stephanie Rockwood, Christi Gabriel 2011-10-4 55 Riverside Red Cloud Wash Road exit from I10. Follow Red Cloud Wash Rd approximately 5.5 miles. Chuckwalla Bench ACEC. 593 Comment
  SEINET7248824 Image available Justicia californica L. S. Rose 1946-1 46304 Riverside Tahquitz Canyon Wash, Palm Springs 139 Comment
  UC56670  Justicia californica F. Gilman 1902-1 29 Riverside Palm Springs Comment
  UCR143425  Justicia californica Nesta Dunn, A. M. Martin 1932-3-26 s.n. Riverside Sonoran (Colorado) Desert, Shavers Well 305 Comment
  JOTR35989  Kallstroemia californica Harding, Mitzi, Mark Wheeler 2012-9-4 200 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  POM128363  Keckiella antirrhinoides Thomas Craig 1927-4-23 206 Riverside Glen Ivy. Comment
  RSA559311  Keckiella antirrhinoides Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7360 Riverside Southern santa Ana Mountains, San Mateo Canyon Wilderness Area. san Mateo Canyon., Along stream and adjacent benches and lower slopes about the confluence with Los Alamos Canyon, near junction of Teneja Road (7S01) and Los Alamos Road (7S04). 396 Comment
  LA209286  Keckiella antirrhinoides var. antirrhinoides J. Sauer; R. Minnich 1977-4-7 5960 Riverside N Fork of San Jacinto Canyon near Hemet 609 Comment
  SD152748  Keckiella antirrhinoides var. antirrhinoides Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7360 Riverside San Mateo Wilderness Area; San Mateo Canyon, along stream about the confluence with Los Alamos Canyon, near junction of Tenaja Road (7S01) and Los Alamos Road (7S04) 395 Comment
  JOTR16846  Keckiella antirrhinoides var. microphylla Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. SQUAW TANK VICINITY 1097 Comment
  POM17864  Keckiella cordifolia Philip A. Munz 1923-6-14 7100 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UCR30791  Keckiella ternata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3867 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  CAS-BOT-BC246224  Keckiella ternata subsp. ternata D. E. Breedlove 1961-8-5 939 Riverside Riverside Highway 1, 0.2 mi. SW of Fuller Mill Creek, San Jacinto Mountains 1645 Comment
  SBBG11771  Keckiella ternata subsp. ternata D. E. Breedlove 1961-8-5 939 Riverside Riverside Hwy 1, 0.2 mi SW of Fuller Mill Crk 1645 Comment
  UCR201625  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12135 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  CAS-BOT-BC273670  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  CAS-BOT-BC61431  Krameria bicolor S. B. Parish 1916-5-13 10853 Riverside Cottonwood Springs, Colorado Desert 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
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  UCR135717  Krameria erecta Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  RSA336190  Krameria grayi Robert F. Thorne, Walter Wisura, A. Shmida, Thomas W. Whitaker 1978-4-23 52011 Riverside Chino Canyon. Comment
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Apr 24 2011
  RSA761287  Krameria grayi Thomas Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-5-25 218 Riverside Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62. 420 Comment
  RSA795972  Krameria grayi Duncan S. Bell 2009-4-19 297 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCR74379  Krameria grayi Theo Glenn 1991-5-1 91- 52 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  UCR202423  Lagophylla ramosissima Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  CAS-BOT-BC272429  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Harford Springs County Park, Gavilan Plteau, Gavilan Hills 640 Comment
  SEINET10598982  Lamarckia aurea Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22152 Riverside Temescal Canyon, ca. 12 miles SE of Corona, on sandy soil, growing with other rank annuals. Comment
  UCR3813  Langloisia matthewsii Frank C. Vasek 1964-4-12 640412- 07 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  RSA0077529  Larrea divaricata G. Wallace 1964-5-23 s.n. Riverside Anza-Borrego Desert. Comment
  LA209864  Larrea tridentata James Lauter; 1953-5-23 sn Riverside 3 mi S of Vandeventer Flat on US Hwy 74 914 Comment
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Mar 13 2014
  LA209867  Larrea tridentata Miss Helflaud; March 1925 6488 Riverside Palm Springs Comment
  SFV6312  Larrea tridentata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 50 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR256338  Larrea tridentata Duncan S. Bell 2012-2-12 3115 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  RSA0034537  Larrea tridentata D. Dunlop 1977-3-21 205 Riverside Desert Hot Springs. Comment
  UCR52004  Larrea tridentata var. tridentata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA487197  Lastarriaea coriacea James L. Reveal 1988-5-23 6865 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  CAS-BOT-BC338928  Lasthenia californica L. R. Abrams 1935-4-7 13667 Riverside Gavilan Hills, 2 mi. S.W. of Perris Comment
  RSA617302  Lasthenia coronaria R. S. Woglum 1934-3-18 649 B Riverside San Jacinto Mountains/Sonoran Desert transition: Snow Creek, Coachella Valley. Comment
  UC63215  Lasthenia coronaria H. M. Hall 1903-4-1 3833 Riverside vicinity of Riverside 365 Comment
  UCR116965  Lasthenia coronaria A. C. Sanders, T. B. Salvato 2001-5-3 24090 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR202223  Lasthenia glabrata subsp. coulteri 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
  POM356985  Lasthenia gracilis R. F. Thorne 1973-5-23 43868 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  POM8238  Lasthenia gracilis P. A. Munz, R. D. Harwood 1920-3-20 3393 Riverside Elsinore. 396 Comment
  UCR228251  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-4-1 38934 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR269899  Lasthenia gracilis D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3653 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA34550  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-6-16 1432 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  SD125949  Lathyrus vestitus var. alefeldii B. Pitzer, E. Misquez 1988-2-28 616 Riverside Walker Basin, SW of Murrieta, Avenida del Oro, 2 miles south of Rancho California Road, hilly area north of road 427 Comment
  UCR116578  Lathyrus vestitus var. vestitus Scott D. White 1993-3-15 1196 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  CAS-BOT-BC320799  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  UCR84784  Layia glandulosa Scott D. White, S. Ogg 1994-4-21 1977 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA660653  Layia platyglossa Giancarlo Massarotto 1981-4-11 31 Riverside Calico Road 11 miles east of Corona land mark. 200 yards S. of the road on hills SE of S Mathews Lake. 610 Comment
  UC1537069  Layia platyglossa Gordon H. True Jr. 1935-3-16 91 Riverside Mockingbird Canyon 365 Comment
  UC1552097  Layia platyglossa Steve Boyd 1986-3-9 1394 Riverside Terrace escarpments between Indian Truck Trail and Horsethief Wash; Temescal Canyon Comment
  UCR100033  Layia platyglossa A. C. Sanders, G. Helmkamp 1997-3-15 19973 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  POM4843  Layia platyglossa subsp. campestris H. M. Hall 1902-04 2758 Riverside Vicinity of Winchester 427 Comment
  UCR201466  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UC2029935  Lepidium dictyotum Steve Boyd 2001-4-12 10410 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  RSA556491  Lepidium dictyotum var. acutidens Julie Greene 1993-3-13 1063 Riverside On the berm between the western ponds 440 Comment
  RSA563918  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-1 13670 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  CAS-BOT-BC89436  Lepidium fremontii Peter H. Raven 1958-3-15 11860 Riverside Joshua Tree National Monument. Smoketree Wash. Comment
  UCSB2386  Lepidium fremontii Bobkowski, Vincent 1960-4-2 Riverside 60 yards south of Southern Entrance to Joshua Tree National Monument; off U.S. 60-70 (near intersection of 60-70 with Calif. 195) Comment
  JOTR31002  Lepidium fremontii var. fremontii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1139 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  CAS-BOT-BC89583  Lepidium lasiocarpum D. A. Johansen; J. A. Ewan 1932-4-10 7056 Riverside Along diversion canal at mouth of Tahquitz Canyon. 213 Comment
  POM118632  Lepidium lasiocarpum var. wrightii Marcus E. Jones 1924-2-27 S.N. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR112487  Lepidium latifolium A. C. Sanders, T. B. Salvato 2000-5-25 23405 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
  UCR189293  Lepidium latifolium Fred M. Roberts, S. Leatherman 2007-9-19 6598 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR228250  Lepidium latipes A. C. Sanders, T. B. Salvato 2011-4-1 38935 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  RSA524603  Lepidium nitidum Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3918 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SBBG70852  Lepidium virginicum R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  CAS-BOT-BC329444  Lepidospartum squamatum Carl B. Wolf 1932-10-11 4269 Riverside Mouth of Whitewater Wash. 304 Comment
  POM361782  Lepidospartum squamatum N. C. Cooper 1943-10-3 939 Riverside Whitewater Canyon. Comment
  POM361783  Lepidospartum squamatum N. C. Cooper 1943-10-3 938 Riverside Whitewater Canyon. Comment
  UC449744  Leptodactylon californicum F. M. Reed 1903-3-26 681 Riverside Wilder's Canyon Comment
  JEPS69871  Leptodactylon pungens W. L. Jepson 1901-5-25 1456 Riverside Coyote Canyon , Coyote Canyon (sw of Santa Rosa Mts.) Comment
  RSA468602  Leptosiphon aureus Frances L. Cramer 1941-5-3 20327 Riverside Joshua Tree National Monument Comment
  RSA0013622  Leptosiphon ciliatus LeRoy Gross, Duncan S. Bell 2013-4-30 6029 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA249828  Leptosiphon ciliatus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38087 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM12125  Leptosiphon lemmonii Mary F. Spencer 1921-6-17 1658 Riverside Idyllwild. 1646 Comment
  CDA20358  Lessingia glandulifera B. Blong 1958-9-12 s.n. Riverside Southern California; Garner Valley. 0 Comment
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Oct 24 2011
  CAS-BOT-BC339363  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside At Idyllwild, Strawberry Valley, Mt. San Jacinto Comment
  POM197771  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2909 Riverside Idyllwild, near Strawberry Valley. San Jacinto Mts. Comment
  POM361810  Lessingia glandulifera var. glandulifera Lester H. Cushman 1931-11-1 14234 Riverside Near Pedley, Santa Ana River Comment
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Dec 4 2011
  RSA700101  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  RSA78247  Lessingia glandulifera var. glandulifera P. A. Munz, E. K. Balls 1952-8-21 17962 Riverside Hamilton Creek, SE part of San Jacinto Mountains. 1372 Comment
  SD5322  Lessingia glandulifera var. glandulifera F. Youngberg 1933-8-28 Riverside Idylwild Pines San Jacinto Mountains. Comment
  UCR138592  Lessingia glandulifera var. glandulifera D. L. Banks 1996-11-7 1218 A Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  RSA3576137  Lilaea scilloides Robert F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR129782  Lilium parryi P. A. Munz 1922-7-7 6066 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  RSA324571  Limnanthes gracilis subsp. parishii Tom Griggs, Earl Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, 4 miles W of Murrieta; 1/4 mile below vernal pool C3 on Mesa de Colorado. Comment
  UC1929318  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park; Santa Ana River floodplain just below Prado Dam. Comment
  SBBG5977  Linanthus bigelovii H. and M. Dearing 1942-3-6 4811 Riverside Cathedral City Comment
  RSA192031  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  OBI52759  Linanthus dianthiflorus L. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA192030  Linanthus dianthiflorus subsp. dianthiflorus E. W. Lathrop 1960-03 4654 Riverside 5 miles west of Murrieta. Comment
  RSA359854  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  JEPS22523  Linanthus jonesii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6187 Riverside 9.5 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  UCR133508  Linanthus lemmonii G. R. Ballmer 1998-4-18 s.n. Riverside San Jacinto Mtns. Foothills, Friendly Hills Ranch, SE of Hemet at end of Fairview Ave., near mouth of Bautista Canyon 854 Comment
  UCR144129  Linanthus liniflorus Scott D. White, Bill La Haye 2000-5-27 7950 Riverside San Jacinto Mtn, Baldy Mountain area 1677 Comment
  SDSU3189  Linanthus liniflorus subsp. pharnaceoides F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  UC908554  Linanthus parviflorus Victor Duran 1935-4-17 Riverside Sage Comment
  UCR133428  Linanthus parviflorus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 459 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  JOTR37477  Linanthus pungens Hodges, Stephen, T. Green 2016-5-5 598 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  LA206725  Linanthus pungens Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mountains, trail to Tahquitz Peak Comment
  UCR104597  Linaria canadensis var. texana G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  RSA0010982  Lithophragma affine P. H. Raven 1958-5-17 12956 Riverside 7.4 miles south-east of Banning on road to Idyllwild, Sam Jacinto Mountains. Comment
  SEINET3522941 Image available Lobularia maritima K. S. Gill 1965-3-14 Riverside On campus UCR. waste land near parking lot No. 19. Comment
  RSA500180  Loeseliastrum matthewsii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3650 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  RSA657241  Loeseliastrum schottii J. Mark Porter 2001-4-2 12340 Riverside Coachella Valley, Desert Hot Springs, NE of Big Morongo Wash, just N of the jtn. Agusta Avenue and Little Morongo Drive. 412 Comment
  UC667328  Loeseliastrum schottii Annie M. Alexander and Louise Kellogg 1941-5-15 2174 Riverside n. base Eagle Mts.; Colorado Desert, Eagle Mts. 883 Comment
  RSA0094184  Logfia depressa Jim M. Andre 2012-4-11 20694 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  UC405425  Logfia filaginoides H. M. Hall 1906-7-2 Riverside Cabazon Comment
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Mar 13 2011
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  UCR126367  Lomatium utriculatum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 675 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR97291  Lomatium utriculatum Steve Boyd, T. Ross & L. Arnseth 1990-3-29 3905 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  UCR282416  Lonicera interrupta Mitch Provance 2009-7-1 709- 02 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  CAS-BOT-BC234804  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi. N of Kearsarge Rd. 1188 Comment
  UCR164066  Lonicera subspicata 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
  RSA678970  Lonicera subspicata var. denudata Scott D. White, Michael Honer 2003-6-3 9461 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  POM157923  Lotus argophyllus var. argophyllus P. A. Munz 1927-5-21 10848 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  UCR93940  Lotus corniculatus B. G. Pitzer 1996-6-26 2911 Riverside Riverside: weed in a lawn at 12th and Lemon Streets 259 Comment
  RSA0018560  Lotus crassifolius Keith E. Hoffmaster 1937-7-5 819 Riverside San Jacinto Mtns. Comment
  UCR228247  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-4-1 38926 Riverside Peninsular Range, Lake Elsinore, Nichols Rd. extension (formerly Coal Ave.) at Lake St., SW side of Alberhill Mtn. 413 Comment
  UCR242666  Lotus nevadensis A. C. Sanders 2013-7-6 40856 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  RSA219224  Lotus oblongifolius C. W. Tilforth, John Dourley 1970-10-16 318 Riverside Along road to Santa Rosa Mtn. Comment
  UCR192721  Lotus purshianus A. C. Sanders, Mike Misenhelter 2008-6-10 35454 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  POM184751  Lotus rigidus C. L. Hitchcock 1932-4-7 12214 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  RSA161288  Lotus rigidus Peter H. Raven 1958-5-5 12887 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  SEINET2062419  Lotus salsuginosus B. Pitzer, L. LaPre 1987-3-2 434 Riverside Bundy Canyon, ca. 2.0 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. (Romoland 7.5' Quad 701 Comment
  RSA770294  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4579 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR178523  Lotus scoparius subsp. brevialatus R. G. Swinney 1967-2-12 0025 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA735387  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area, ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  RSA792348  Lotus scoparius var. brevialatus Doris Bowers 1972-4-15 1797 Riverside Dig at Rancho California - N/o camp 396 Comment
  SEINET212654 Image available Lotus scoparius var. brevialatus Larry C. Higgins 1974-4-12 8477 Riverside 5 miles south of Morongo Valley on highway 62 Comment
  UCR180585  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR168251  Lotus strigosus Mrs. D. R. Wolf 1932-3-20 2 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  UCR86871  Lotus strigosus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16279 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
  RSA678415  Lotus strigosus var. strigosus Michael Wall 2003-4-6 257 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  UCR16271  Lotus strigosus var. strigosus K. W. Brown 1966-4-7 s.n. Riverside Peninsular Range, Hwy 71, 6.8 mi east of Temecula 366 Comment
  UCR164061  Lotus strigosus var. tomentellus A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29140 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA697979  Lotus subpinnatus J. R. Bruff 1928-4-2 89 Riverside Whitewater. Comment
  RSA21757  Lotus tomentellus C. B. Wolf 1937-4-6 8429 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  POM11523  Lotus unifoliolatus P. A. Munz 1922-7-4 5968 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA192347  Ludwigia peploides subsp. peploides H. A. Zuill 1966-7-7 279 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  RSA0049854  Lupinus arizonicus Jim Andre 2014-1-27 26668 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
  RSA550275  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4621 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  SD237432  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside UTM in Supplement.N. Palo Verde Mesa, E flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak. Comment
  UCR279592  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-28 43159 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA350003  Lupinus bicolor E. Crow 1929-4-7 303 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA744304  Lupinus bicolor M. Wall 2009-3-27 499 -E Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  UCD107309  Lupinus bicolor R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCSB17125  Lupinus bicolor Cummings, R. 1963-5-5 Riverside 1.3 mi. S of Hurkey Creek Campground, on Calif. Highway 74 1341 Comment
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SBBG3576  Lupinus concinnus H. and M. Dearing 1949-4-9 6744 Riverside Joshua Tree Nat Monument Comment
  UC73186  Lupinus concinnus M. F. Gilman 1904-1 5 Riverside Banning Comment
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Mar 13 2011
  UCR17968  Lupinus concinnus A. C. Sanders 1976-4-20 00346 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  RSA86961  Lupinus concinnus subsp. concinnus F. W. Peirson 1922-4-30 s.n. Riverside Near summit of St. Johns Grade, south of Hemet. Comment
  RSA581751  Lupinus concinnus subsp. optatus M. Wall, Lorrae Fuentes 1995-4-13 100 Riverside San Jacinto Mountains, along Hwy 243 out of Banning, 10 miles south of Interstate 10. Comment
  RSA407144  Lupinus concinnus subsp. orcuttii N. C. Cooper 1944-4-22 2634 Riverside Banning. 732 Comment
  RSA395898  Lupinus densiflorus var. lacteus Steve D. Boyd 1986-4-22 1763 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  CLARK-A1528-496  Lupinus excubitus C. M. Flanagan 1973-5-20 OO 518 Riverside Banning 1188 Comment
  SBBG47514  Lupinus formosus M. B. Dunkle 1933-7-19 3669 Riverside Tahquitz Valley 2438 Comment
  UC130313  Lupinus formosus H. M. Hall 1899-5-21 1371 Riverside s slope Chalk Hill (foot of Chalk Hill); San Jacinto Mountains, , s slope 1676 Comment
  SEINET6932670 Image available Lupinus formosus W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  RSA413692  Lupinus hirsutissimus N. C. Cooper 1945-5-5 2249 Riverside San Gorgonio Mountains above Banning 762 Comment
  RSA413693  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning. 701 Comment
  RSA645876  Lupinus hirsutissimus Scott D. White, Steve Ogg 1994-4-21 1998 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA651696  Lupinus hirsutissimus Diane M. Ramirez 1983-5-15 14 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  SD229158  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-6-27 757 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  POM2485  Lupinus microcarpus var. densiflorus M. French Gilman 1904-1 42 Riverside Banning. Comment
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Mar 13 2011
  UCR107751  Lupinus microcarpus var. microcarpus D. L. Banks 1997-5-5 1996 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  RSA772407  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4858 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
  UCR87980  Lupinus sparsiflorus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  RSA50800  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA617303  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 640 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  RSA586157  Lupinus truncatus D. L. Banks, S. D. Boyd 1995-3-30 0122 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 726 Comment
  SEINET2062685  Lupinus truncatus Ed LaRue 1989-3-30 Riverside Rancho California area, ca 4 mi W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR91643  Lupinus truncatus Steve Boyd, D. L. Banks 1995-4-5 8427 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
  SD112315  Luzula cascadensis Darley F. Howe 1941-6-8 1104 Riverside Strawberry Creek, San Jacinto Mountains. Comment
  UC1083106  Lycium Herbert L. Mason 1928-3-10 4215 Riverside Hidden Springs Canyon Coachella Mts. Comment
  JOTR37744  Lycium andersonii Hodges, Stephen R., Aliya Ingersoll 2016-2-24 658 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  RSA645642  Lycium andersonii Scott D. White 1999-4-20 7280 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
  RSA776287  Lycium andersonii Duncan S. Bell 2010-3-20 627 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  CAS-BOT-BC231478  Lycium brevipes var. brevipes Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UC667319  Lycium cooperi Annie M. Alexander and Louise Kellogg 1941-5-23 2226 Riverside near Cottonwood Spring; Colorado Desert, Eagle Mountains 883 Comment
  CAS-BOT-BC231644  Lycium fremontii I. L. Wiggins 1937-3-9 8745 A Riverside Chuckwalla Springs, Chuckwalla Mts. Comment
  POM13382  Lythrum californicum E. C. Jaeger 1921-04 s.n. Riverside Corn Springs, Chuckawalla Mts Comment
  RSA535484  Lythrum californicum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6632 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR222294  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55215 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA0107901  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Thomas Stoughton 2010-3-19 575 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  RSA585728  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0392 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. 701 Comment
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UC219591  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp San Jacinto Mts., Keen Camp 1524 Comment
  UC310785  Malacothamnus fasciculatus Philip A. Munz 1925-5-20 9865 Riverside near Corona 426 Comment
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  UC33272  Malacothrix californica H. M. Hall June, 1901 2182 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  CHSC100692  Malacothrix glabrata Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  OBI8208  Malacothrix glabrata David J. Keil, Malcolm McLeod 1977-3-26 12009 Riverside 8 mi NW of Lake Elsinore State Recreation area along CA 71 366 Comment
  POM311405  Malacothrix glabrata Diana plainer 1958-3-29 139 Riverside Joshua Tree National Monument, near Went's Quadrat #6 and Chaya Gardens in the hills above the desert floor. 945 Comment
  POM362318  Malacothrix glabrata W. Hutchinson 1925-04 s.n. Riverside Palm Springs. Comment
  RSA700098  Malacothrix glabrata Virginia Moran 2003-3-26 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center fot Natural Lands Management. Section 27 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  RSA796092  Malacothrix glabrata Duncan S. Bell 2009-4-20 310 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC831115  Malacothrix glabrata Lewis S. Rose 1937-4-9 37089 Riverside Banning 706 Comment
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Mar 13 2011
  IRVC79  Malosma laurina Mike Munier 1965-1 s.n. Riverside 1/4 mile S of Keen Camp Summit [along Hwy 74 SE of Mountain Center]. Peninsular Ranges, San Jacinto Mountains Comment
  CAS-BOT-BC376154  Malva parviflora L. Nye; G. Gust 2005-3-11 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA346380  Marah macrocarpa F. R. Fosberg 1930-3-9 1536 Riverside Mission Canyon Comment
  UCR114815  Marah macrocarpa Mitch Provance 1998-2-17 64 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR137559  Marah macrocarpa A. C. Sanders 2004-5-5 27759 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
  CAS-BOT-BC193266  Marina parryi Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2131 Riverside N. end of Palen Mrns, 2 mi west of Palen Pass 91 Comment
  CAS-BOT-BC218950  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  RSA550334  Marina parryi Walter Wisura, John Dolan, M. Wall 1992-3-25 4654 Riverside Lowdesert: 9.6 miles S of Wileys Well toward Hwy 78 Comment
  CAS-BOT-BC71094  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  UCR20790  Matricaria matricarioides A. C. Sanders, Steve Boyd 1980-5-2 1400 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR155812  Matricaria occidentalis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  SEINET7106389  Matthiola incana N. Duane Atwood 1993-3-28 17719 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  CAS-BOT-BC422725  Meconella denticulata John Thomas Howell 1931-5-30 6594 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  LA206250  Meconella denticulata W. E. Pequegnat; 1939-4-8 14 Riverside Santa Ana Mountains, Coldwater Trail 701 Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  CSUSB1091  Medicago sativa J. Jacobi 1970-5-18 0518 1 Riverside Found in empty lot between Ottowa and Chicago Streets on Seventh Street. 304 Comment
  RSA594519  Medicago sativa D. L. Banks, Rashmi Pant 1996-5-13 1024 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station (100 m E of where Hwy. 79 leaves the Forest Service Boundary)., On the S side of Hwy. 79. 487 Comment
  CAS-BOT-BC269428  Melica californica I. M. Johnston 1918-5-30 2011 Riverside Temescal Canon [Canyon] 365 Comment
  CAS-BOT-BC271705  Melica frutescens Frank W. Gould 1944-4-5 2233 Riverside 17 miles east of Temecula on Highway 79 Comment
  UCR24057  Melica frutescens John C. Roos, Lucille Roos 1949-4-23 4283 Riverside Sonoran (Colorado) Desert, Lost Palms Wash, Eagle Mountains 823 Comment
  UCR2534  Melica frutescens F. M. Reed 1926-5-15 5338 Riverside Peninsular Range, Foothills south of Menifee 579 Comment
  JOTR31145  Melica imperfecta La Doux, Tasha 2009-6-3 1855 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA484228B  Melica imperfecta Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  SD137951  Melica imperfecta Darin L. Banks, Steve Boyd 1995-5-3 273 Riverside N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove area, along the lower alluvial benches of Arroyo Seco 512 Comment
  UCR133447  Melica imperfecta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 453 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR156353  Melica imperfecta T. B. Salvato, Kent Beaman 2005-5-16 878 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
  RSA0029101  Melica imperfecta John F. Emmel 1989-4-5 1120 Riverside along road 0.3 air mi south of Alvin Meadow spring, west of Idyllwild. 1500 Comment
  UCR107747  Melilotus indicus D. L. Banks 1997-5-5 1992 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR4131  Melilotus indicus Ronald M. Cope 1965-3-29 s.n. Riverside Riverside, c. 0.25 mi. south of where Gage Canal crosses Le Conte Drive on dirt road that goes along top of canal. 274 Comment
  UCR93148  Melilotus indicus G. P. Schultz 1994-4-8 59 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  UCR194818  Melinis repens Scott D. White, Justin Wood 2007-4-16 11652 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  POM48876  Mentha spicata P. A. Munz, I. M. Johnston 1924-7-26 8709 Riverside In San Jacinto Mountains, ca. 7 miles S of Banning. 1067 Comment
  UCR26147  Mentzelia desertorum John C. Roos, Lucille Roos 1949-4-9 4208 Riverside Sonoran (Colorado) Desert, near the Riverside Mtns., 30 miles north of Blythe 137 Comment
  RSA0014939  Mentzelia dispersa LeRoy Gross, Evan Meyer 2013-5-21 6120 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA748288  Mentzelia involucrata Justin M. Wood 2009-3-26 416 Riverside Coachella Valley: Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  SEINET7048064  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA0127362  Mentzelia longiloba var. longiloba Roxana S. Ferris, R. C. Bacigalupi 1932-4-30 8240 Riverside Highway between Blythe and Desert Center. Comment
  SDSU8063  Mentzelia multiflora subsp. longiloba D. F Howe 1964-4-13 3762 Riverside 3.3 miles east of Riverside-SanBernardino Co. line, east of Twentynine Palms, Riverside Co. Comment
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Jul 15 2019
  UCD170894  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 365 Comment
  UC1929670  Mesembryanthemum nodiflorum Scott D. White 2003-6-9 9526 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  RSA560833  Micropus californicus Steve Boyd, Timothy S. Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR120852B  Microseris douglasii subsp. douglasii D. E. Bramlet 1993-4-14 2326 B Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR77595  Microseris douglasii subsp. douglasii Steve Boyd 1991-5-30 6324 Riverside Perris-Aguanga Basin region, Perris Valley, San Jacinto River at crossing of I-215, 2 mi east of Perris Comment
  UCR217519  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-14 09 Riverside Perris-Aguanga Basin, Southeast end of Paloma Valley, 0.8km south of Scott Rd. and 400m east of Briggs Rd 435 Comment
  UCR116506  Microseris heterocarpa A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 745 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR214574  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37855 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  RSA0018770  Mimetanthe pilosa Philip A. Munz 1938-8-14 15355 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM10950  Mimulus androsaceus I. M. Johnston 1922-5-20 5476 Riverside Kenworthy, Thomas Valley. 1463 Comment
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Mar 25 2011
  UCR90380  Mimulus aurantiacus D. L. Banks, Steve Boyd 1995-6-2 0560 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  UC943863  Mimulus aurantiacus var. puniceus H. E. McMinn 1935-6-23 3939 Riverside s Elsinore Comment
  UCR102726  Mimulus aurantiacus var. puniceus B. G. Pitzer 1998-1-25 3414 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR116704  Mimulus aurantiacus var. puniceus Dan Hare 2001-5-1 s.n. Riverside Santa Ana Mtns. region, Cleveland National Forest near Upper San Juan Campground, off the Ortega Highway near the confluence of Morrell and Decker Canyons 579 Comment
  RSA68348  Mimulus brevipes G. R. Campbell 1951-5-30 16158 Riverside 9 miles west of Anza. 1067 Comment
  SFV17401  Mimulus brevipes M. S. Valenzuela, P. Wilson 1998-6-2 67 Riverside Highway 74 near mile marker 54. Found along a creek. Comment
  UCR158264  Mimulus brevipes A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30120 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
  UCR22084  Mimulus brevipes Steve Boyd 1980-5-3 187 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UC943902  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1899 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  RSA430184  Mimulus diffusus N. C. Cooper 1949-6-6 2002 Riverside San Jacinto Mts. above Pine Cove 2073 Comment
  CLARK-A1528-4244  Mimulus floribundus E. W. Lathrop 1966-6-1 6359 Riverside Tenaja Range Comment
  RSA680402  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9600 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR154378  Mimulus floribundus A. C. Sanders, Mike Misenhelter 2005-6-15 30956 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
  LA209492  Mimulus fremontii John O'Leary; 1975-6-13 399 Riverside Yellow Pine Forest, near side of Hy. leading from Banning to Idyllwild, 0.5 mi N of lake Fullmer 1584 Comment
  CSUSB1923  Mimulus guttatus Debbie Vigneault 1974-7-8 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Blvd. 259 Comment
  UCR265019  Mimulus guttatus Mitch Provance 2013-4-8 413- 14 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA356745  Mimulus guttatus subsp. guttatus Robert F. Thorne 1973-5-23 45517 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UC1532827  Mimulus pilosus Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47301 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California (along stream way) 609 Comment
  CDA33849  Mimulus puniceus Mike Lahti 2010-5-5 PDR# 1358680 Riverside Hills on the west side of Temecula. 0 Comment
  POM121903  Minuartia douglasii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  CAS-BOT-BC385089  Mirabilis albida Jean L. Pawek 1964-9-25 635 Riverside Hwy S74 near entrance to Santa Rosa Indian Reservation 1828 Comment
  SEINET214533  Mirabilis bigelovii var. retrorsa Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 7475 Riverside Box Canyon wash; 11.4 (9 airline) mi ENE of Mecca 244 Comment
  RSA0027990  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 46 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  CAS-BOT-BC434883  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  UCR130711  Mirabilis multiflora var. pubescens George K. Helmkamp, E. A. Helmkamp 1998-6-27 4077 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  POM308421  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3099 Riverside 10 miles east of Indio. Comment
  POM4440  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  RSA717470  Mohavea confertiflora Scott D. White, Andrea Warniment 2006-3-22 11267 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC673536  Mohavea confertiflora H. L. Mason 1928-3-10 4246 Riverside Road from Indio to Palm Springs Comment
  RSA0017420  Mohavea confertiflora Marcus E. Jones 1924-2-28 s.n. Riverside Blythe. Comment
  RSA776945  Mohavea confertiflora Amber Swanson 2011-3-19 238 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  UCD125041  Monardella australis Mitch Provance; Steve Boyd, Lauren Raz 1998-8-13 998 Riverside Desert Slopes of the San Bernardino Mountains: ca 1.5 miles east of Cushenberry Springs. 1402 Comment
  UC729900  Monardella australis subsp. australis Carl B. Wolf 1932-8-5 3964 Riverside on trail from Tahquitz Valley to San Jacinto Peak (100 yds. beyond first real wet meadow on trail, head of fork of creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  POM48931  Monardella lanceolata var. lanceolata P. A. Munz, I. M. Johnston 1924-7-26 8716 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA234082  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-6-6 39328 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  LA62720  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  LA96083  Monardella nana Elizabeth McClintock; 1941-7-15 114 Riverside San Jacinto Mountains, on slope S of Strawberry Creek, and W of Domengonio Flats Comment
  SEINET2442169  Monardella nana subsp. arida Unknownnown 1941-6-29 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road. Comment
  UC25475 Image available Monardella nana subsp. arida H. M. Hall June 1901 2127 Riverside Coyote Canyon; San Jacinto Mountains, Santa Rosa Mountain; Coyote Canyon, Santa Rosa Mountain 1524 Comment
  SEINET3289847 Image available Monardella nana subsp. tenuiflora M. W. Denslow, M. W. Denslow Sr.; Naomi Fraga 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mountains region: Santa Rosa Mountains, first peak west of Toro Peak. 2616 Comment
  UC1499829  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside trail to Hidden Lake (below the point at which the switchbacks begin); San Jacinto Mts. Comment
  UC1499954  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 99 Riverside 3/4 mi beyond the snow gate Black Mt. Comment
  UCR20635  Monardella nana subsp. tenuiflora W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, Black Mtn. Road 2073 Comment
  OBI23450  Monoptilon bellioides D. Seigler, C. Bohnstedt, F. Seaman and D. Riskind, D. Riskind 1970-3-25 2248 Riverside 32 mi N of Cottonwood Visitor Center in Joshua Tree Natl Monument Comment
  POM98820  Monoptilon bellioides P. A. Munz 1926-1-31 9952 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA81012  Monoptilon bellioides G. R. Campbell 1952-4-5 18367 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR148477  Monoptilon bellioides John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  CAS-BOT-BC267022  Muhlenbergia filiformis H. M. Hall 1901-6-1 2290 Riverside San Jacinto Mountains. Vicinity of Strawberry Valley 1615 Comment
  RSA612496  Muhlenbergia microsperma D. L. Banks 1997-2-23 1321 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
  UCR278092  Muhlenbergia microsperma Tim Searl 2011-6-4 s.n. Riverside Gavilan Hills, Kamlin Mission Church property, c. 5.7 miles west of Perris and c. 0.5 mile west of Steele Valley 686 Comment
  UC39893  Muhlenbergia richardsonis H. M. Hall Jul 1 1901-Aug 1 1901 2477 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  RSA561420  Muhlenbergia rigens Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-9-9 7689 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR127575  Muilla maritima D. E. Bramlet 2003-4-18 3375 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  SD146221  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on west side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive. 305 Comment
  UCR202222  Myosurus minimus subsp. apus 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
  UC1930148  Myriopteris clevelandii Scott D. White, Michael Honer 2003-6-3 9488 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA388844  Najas marina Richard Yeo 1977-6-17 s.n. Riverside Canyon Lake, ca. 3.5 miles southeast of Arlington Comment
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Dec 2 2014
  POM13913  Nama demissa var. deserti P. A. Munz, D. D. Keck 1922-4-10 4932 Riverside Eagle Mtns. 3 miles northeast of Hay fields. 213 Comment
  UCD119544  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. west of Blythe on the Mecca Road. Comment
  RSA263733  Nassella lepida E. W. Lathrop 6887 Riverside 4 miles W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 1067 Comment
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Mar 3 2013
  RSA525232  Nassella lepida Steve Boyd, Timothy S. Ross 1990-5-11 4609 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SBBG89095  Nassella pulchra B. Pitzer, K. Kirtland 1986-3-6 200 Riverside N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  RSA388319  Navarretia atractyloides Steve Boyd 1986-5-7 1848 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UCR139620  Navarretia atractyloides A. C. Sanders 2004-7-1 28388 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  RSA550475  Navarretia fossalis D. E. Bramlet 1996-5-28 2293 Riverside The site is approximatly 8km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  UC1392824  Navarretia fossalis R. F. Hoover 1968-6-6 11152 Riverside 1 mi e Perris Comment
  UCR62383  Navarretia fossalis Don Mitchell 1990-6-1 s.n. Riverside About 1.5 mi. west of Lakeview, in small bulldozer-made ponds, north of Ramona Expressway, and about 200 yd. west of the San Jacinto River. 427 Comment
  SD227875  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside San Bernardino Mtns.: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA464362  Nemacaulis denudata var. gracilis George B. Grant 6718 Riverside Palm Springs. Comment
  RSA336417  Nemacladus glanduliferus R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52047 Riverside Palm Desert area: Just E of Palm Desert, foot of N slope of Santa Rosa Mountains. Comment
  SEINET10464882  Nemacladus glanduliferus var. orientalis Raven 1958-3-1 Raven 11748 Riverside U.S. Highway 95, 8.6 miles north of Blythe Comment
  RSA777654  Nemacladus orientalis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 756 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA692242  Nemacladus ramosissimus Scott D. White, Michael Honer 2003-5-27 9407 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA85407  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UCR15479  Nemacladus ramosissimus Robin L. Kobaly, G. K. Helmkamp 1978-5-2 s.n. Riverside San Jacinto Mtns, Bautista Canyon, 5 mi south of Valle Vista 823 Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  POM433290  Nemacladus sigmoideus M. B. Dunkle 1933-5-6 3443 Riverside Painted Canyon. Comment
  UC1563074  Nemacladus tenuis var. aliformis Steve Boyd and Orlando Mistretta 1986-3-13 1460 Riverside ne of Desert Center (w side of Palen Mts, upper bajada at base of range); Palen Mts. Comment
  UC880909  Nemophila menziesii K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  UCR230212  Nemophila menziesii A. C. Sanders 2011-4-6 38983 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
  UCR35348  Nemophila menziesii L. B. Ziegler 1967-4-25 118 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  POM312147  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA0105076  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah Stevens 2003-4-4 97 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 536 Comment
  RSA329566  Nemophila menziesii var. menziesii Gary D. Wallace 1966-4-7 447 Riverside Tucolata Valley between Sage and Murrieta. Comment
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Feb 23 2017
  RSA699018  Nicotiana attenuata J. R. Bruff 1932-2-22 s.n. Riverside Between Edom and Garnet. Comment
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Nov 2 2011
  RSA210980  Nicotiana bigelovii var. wallacei C. W. Tilforth 1969-7-27 230 Riverside West of Lake Elsinore, at summit along Hiway 74. Comment
  RSA651991  Nicotiana glauca G. A. Conley 1955-5-20 s.n. Riverside 10 mi. so of Corona. Hwy 71. Comment
  UCR174248B  Nicotiana glauca A. C. Sanders, T. B. Salvato 2006-6-2 33067 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. 579 Comment
  UC68733  Nicotiana obtusifolia H. M. Hall 1905-4-29 5946 Riverside McCoy Wash; Colorado Desert 91 Comment
  UCR101597  Nicotiana obtusifolia 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
  UCR139381  Nicotiana obtusifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  POM310592  Nolina parryi G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument, on road to Juniper Flats. 1463 Comment
  UC63870  Nolina parryi H. M. Hall July 1901 2432 Riverside lower end San Jacinto Mts., Tahquitz Val. 1828 Comment
  UCR26444  Nolina parryi A. C. Sanders, J. A. Harpel 1981-8-26 2338 Riverside Santa Rosa Mtns., Garnet Queen Creek at Santa Rosa Mtn. Road 1829 Comment
  RSA686408  Notholaena californica L. C. Wheeler 1933-12-2 2306 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  UCR90179  Notholaena californica A. C. Sanders, C. L. Sanders, O. F. Clarke, P. J. MacKay, S. D. White 1994-11-27 15869 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
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Jun 19 2018
  CAS-BOT-BC171493  Oenothera californica Ethel H. Campbell 1921-5-1 1 a Riverside Between Riverside & Ontario Comment
  UCR35216  Oenothera californica L. B. Ziegler 1975-7-10 544 Riverside San Jacinto Mtns, Hemet (Garner Valley) 1402 Comment
  UC56462  Oenothera californica subsp. californica H. M. Hall 1902-4-23 2956 Riverside S. Ana River vicinity of Riverside 243 Comment
  POM126853  Oenothera deltoides subsp. deltoides E. E. Schellenger 20 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA698260  Oenothera deltoides subsp. deltoides Mary Edmunds 1932-3-27 s.n. Riverside Sandy soil W. of Indio. Comment
  RSA75413  Oenothera deltoides subsp. deltoides F. W. Peirson 1918-03 779 Riverside Irrigated field near Indio. Comment
  UCR114165  Oenothera primiveris B. G. Pitzer, J. Ross 1998-3-8 3617 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA0027578  Olneya tesota Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 32 Riverside At Corn Springs Campground. Comment
  UC212341  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Cottonwood Springs; Colorado Desert Comment
  RSA666778  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Romoland, onramp to Hwy 215 from Hwy 74, just east of 215. 434 Comment
  UCD134649  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Road at Quail Lake Golf Course. 438 Comment
  UCR154611  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin, San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  UCR228744  Oncosiphon piluliferum A. C. Sanders, Nathan Moorhatch 2011-3-22 38795 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR235512  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11- 61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  UCR241807  Oncosiphon piluliferum A. C. Sanders, Dave King 2013-4-11 40791 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  UCR26900  Oncosiphon piluliferum K. M. Kummer 1981-5-19 s.n. Riverside Box Springs Reserve, Box Springs Mtns. 732 Comment
  POM83401  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  POM305017  Opuntia engelmannii Lyman Benson 1962-2-17 16140 Riverside 3 miles northeast of Anza. 1067 Comment
  UCR94072  Opuntia erinacea Scott D. White, D. Haselfeld 1996-7-2 4274 A Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  CAS-BOT-BC56217  Opuntia ficus-indica C. B. Wolf; P. C. Everett 1938-9-29 9462 Riverside Field redacted by CAS, contact the data manager for more information 335 Comment
  SBBG88115  Opuntia littoralis A. C. Sanders 1984-4-21 5013 Riverside Moreno Badlands at edge of San Jacinto Valley, along Gilman Springs Rd, 1.5 mi NW of Gilman Hot Springs, 0.4 mi W of Sanderson Ave. (Lamb Cyn Rd) 487 Comment
  RSA775262  Opuntia littoralis var. littoralis Michael Wall 2010-9-10 593 Riverside Bautista Creek off Bautista Canyon Road, ca. 6.6 miles SE of junction with Fairview Avenue. 751 Comment
  RSA285344B  Opuntia phaeacantha Lyman Benson 1955-12-6 15624 Riverside 3 miles east of Cabazon.US 99. Colorado Desert. 457 Comment
  SD229121  Opuntia phaeacantha Dick Schwenkmeyer 2012-3-26 685 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCR94060  Opuntia phaeacantha Scott D. White, D. Haselfeld 1996-6-2 4267 Riverside San Jacinto / Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi. east of junction with Hwy 371. W-facing slope of Sugarloaf Mtn and adjacent valley. 1402 Comment
  RSA22790  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9422 Riverside Santa Rosa Mountains, 3.5 miles East of Anza, on road to Palms to Pines Hwy. 1220 Comment
  UC455794  Oreostemma alpigenum var. andersonii I. J. Condit 1910-6-22 Riverside Tahquitz Valley San Jacinto Mts. 2438 Comment
  RSA516904  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UCR168364  Orobanche cooperi G. D. Wallace 1967-4-29 721 Riverside Sonoran (Colorado) Desert, NE of Coxcomb Mtns.; 15 miles NE of Desert Center along Parker Dam Hwy 305 Comment
  RSA602272  Orobanche cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  UCR168256  Orobanche fasciculata I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Andreas Canyon 244 Comment
  RSA602273  Orobanche parishii subsp. parishii Louis C. Wheeler 1952-4-5 6851 Riverside Mecca Hills: Mouth of Painted Canyon. Comment
  RSA402104  Orthocarpus purpurascens Bonnie C. Templeton 1930-4-9 1070 Riverside Moreno Grade, S.W. of Beaumont 700 Comment
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Mar 20 2011
  RSA407959  Orthocarpus purpurascens E. Crow 1929-4-7 306 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  POM256964  Orthocarpus purpurascens var. pallidus W. Pequegnat 1940-4-28 s.n. Riverside Bedford Truck Trail. 366 Comment
  RSA458998  Osmorhiza berteroi Anstruther Davidson 1876-7-7 s.n. Riverside San Jacinto. 2896 Comment
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Oct 21 2010
  UCR19404  Oxalis corniculata C. S. Papp 1963-6-10 269 Riverside Collector's backyard in Riverside [Papp residence] Comment
  RSA126711  Oxytheca caryophylloides Peter H. Raven, R. Snow 1957-7-26 11091 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  RSA287109  Oxytheca emarginata J. C. Lyman 1981-5-22 s.n. Riverside Burned area on the east side of Mt. San Jacinto. 1829 Comment
  UCR108881  Oxytheca trilobata Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR139142  Oxytheca trilobata John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UCR63617  Oxytheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Durasno Valley, south of town of Anza 1372 Comment
  SEINET5563536  Paeonia brownii H. S. Gentry 1954-1 14259 Riverside Dripping Springs, along Route 79. Comment
  CAS-BOT-BC121215  Paeonia californica Lyman Benson 1932-3-26 3178 Riverside Temecula Grade, Temecula Valley 548 Comment
  UCD102583  Paeonia californica A. A. Beetle 1940-1 s.n. Riverside Near Sage. Comment
  POM116060  Panicum urvilleanum Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  POM366030  Panicum urvilleanum Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7808 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  UCR2633  Panicum urvilleanum S. B. Parish 1907-1 s.n. Riverside Sonoran (Colorado) Desert, Whitewater at edge of the Colorado Desert 396 Comment
  CAS-BOT-BC274191  Pappostipa speciosa Peter H. Raven 1958-5-6 12927 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert, San Jacinto Mountains Comment
  RSA0020380  Parietaria hespera Duncan S. Bell, Keir Morse 2013-3-30 4661 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  RSA709794  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UCR5825  Parietaria hespera var. californica O. F. Clarke 1952-4-17 s.n. Riverside Citrus Experiment Station [UC Riverside campus] 396 Comment
  UCR124096  Parietaria hespera var. hespera Steven R. Hill 2001-5-3 33659 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  POM46828  Parietaria pensylvanica Mary F. Spencer 1920-4-7 10463 Riverside Palm Canyon. 213 Comment
  RSA0080159  Parkinsonia florida Jim M. Andre 2012-4-11 20837 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA0054939  Parosela spinosa Keith E. Hoffmaster 1937-6-6 815 Riverside Palms to Pines Highway, desert end. Comment
  RSA599120  Paspalum dilatatum V. W. Steinmann, D. L. Banks 1996-4-20 846 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UCR239836  Paullinia pinnata O. F. Clarke 2004-8-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR116624  Pectocarya anisocarpa A. C. Sanders 2001-3-20 23852 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  RSA543183  Pectocarya heterocarpa Steve Boyd 1991-3-17 5476 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
  UCR214285  Pectocarya heterocarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37488 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
  UCR127358  Pectocarya linearis A. C. Sanders, D. Malueg 2003-5-8 26567 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR225507  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-29 38877 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
  UCR260878  Pectocarya linearis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41566 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  RSA528100  Pectocarya linearis subsp. ferocula Steve Myers 1991-4-15 91 -16 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UCR266474  Pectocarya linearis var. ferocula Mitch Provance, Matt Amalong 2015-3-25 315- 41 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
  RSA524232  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4026 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA613460  Pectocarya penicillata D. L. Banks, Victor Steinmann 1997-3-13 1432 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA750748  Pectocarya penicillata Scott D. White, Justin M. Wood 2009-5-22 12890 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR281239  Pectocarya penicillata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 51 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  SEINET2042515 Image available Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UC1563038  Pectocarya recurvata Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3041 Riverside 0.75 mi nw dam (s flank of Oak Mountian); Vail Lake area 621 Comment
  UCR233173A  Pectocarya recurvata Jim Andre, Glenn L. Clifton 2011-2-22 17436 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR85147  Pectocarya recurvata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16080 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UC882271  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Joshua Tree National Monument, Cottonwood Springs wash Comment
  UCSB8447  Pediomelum californicum Haller, John 1950-5-21 Riverside San Jacinto Mtns. Pinyon Flat 1219 Comment
  CAS-BOT-BC520447  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular range: Riverside, UCR Botanic Garden, at W edge of the herb garden 362 Comment
  RSA686754  Pellaea andromedifolia Anonymous s.n. Riverside Elsinore Comment
  UCR163356  Pellaea andromedifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  SEINET3873378  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross; Dave Bramlet 1993-5-12 7312 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.; 0 Comment
  POM276878  Pellaea mucronata var. mucronata Lyman Benson 1945-3-29 11634 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain 610 Comment
  RSA180255  Pellaea mucronata var. mucronata E. W. Lathrop 1959-4-17 4483 Riverside 14 miles west of Murrieta Comment
  POM9609  Pellaea mucronata var. mucronata I. M. Johnston 1920-5-8 s.n. Riverside Box Springs Grade, near Riverside Comment
  RSA583481  Penstemon X parishii Steve D. Boyd 1995-5-13 8513 Riverside along the Main Divide Rd., west of Morrell Potrero, 4 mi. southeast of Highway 74. Comment
  RSA300468  Penstemon californicus Walter Wisura 1982-6-5 3831 Riverside Near SE base of Pyramid Peak along Pacific Crest Trail 2073 Comment
  UCR20116  Penstemon californicus Jeanine Derby 1976-8-10 s.n. Riverside San Jacinto Mtns., Garner Valley 1372 Comment
  UCSB37946  Penstemon clevelandii Carlson, B. 1978-4-22 Riverside Santa Rosa Mtns; 13.5 mi. S. of Palm Desert; along Hwy 74 883 Comment
  RSA97016  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-4 432 Riverside Palms to Pines Hwy (74), 0.5 miles W of Santa Rosa Mountain Truck trail Comment
  CAS-BOT-BC6619  Penstemon clevelandii var. connatus Harvey Monroe Hall 1901-6-18 2149 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert 1371 Comment
  JOTR37447  Penstemon eatonii var. eatonii Hodges, Stephen, T. Green 2016-5-24 569 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  RSA402130  Penstemon labrosus N. C. Cooper 1949-10-7 1586 Riverside San Jacinto Mts (above Pine Cove). 2073 Comment
  CHSC1884  Penstemon pseudospectabilis V. Holt 1942-3-28 Riverside Blythe. 80 Comment
  RSA79844  Penstemon pseudospectabilis Philip A. Munz, D. D. Keck 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA680523  Penstemon rostriflorus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8630 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC886850  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  RSA650002  Penstemon spectabilis Toppenberg 1961-5-12 13 Riverside Beaumont side of Idyllwild. Comment
  SEINET3208893  Penstemon spectabilis G. Goodwin 2012-6-14 3448 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  NY661195  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25282 Riverside Route 74, west slope of San Jacinto Range 1280.2 Comment
  POM12989  Pentachaeta aurea P. A. Munz, I. M. Johnston 1922-5-19 5308 Riverside Santa Ana River Canyon. 457 Comment
  POM160737  Pentachaeta aurea Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
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Mar 7 2007
  RSA0062906  Pentagramma triangularis E. W. Lathrop 1965-5-9 5732 Riverside 6 miles W of Murrieta. Comment
  CLARK-A1528-2022  Perityle emoryi John C. Roos 1946-12-7 3183 Riverside Pushawalla Palms Comment
  RSA278967  Perityle emoryi B. A. Prigge, L. Martinez 1978-3-23 2415 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA550348  Perityle emoryi Walter Wisura, John Dolan, Michael Wall 1992-3-24 4640 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  SEINET10309002 Image available Perityle emoryi Deirdre Conocchioli, Duncan S. Bell 2014-3-17 203 Riverside Off south end of Hidden Springs Road, south of I-40 and Barstow-Daggett Airport exit, north/northwest foot of Newberry Mountains and Daggett and Newerry Springs. 186 Comment
  UCR18625  Perityle emoryi John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  CAS-BOT-BC167763  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  CLARK-A1656-878  Petalonyx thurberi Jim Cornett 1977-6-25 Riverside Desert Hot Springs 396 Comment
  RSA296136  Petalonyx thurberi Barry A. Prigge 1980-8-5 3878 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  SEINET3155077  Petalonyx thurberi L. S. Rose 1938-12-19 38324 Riverside 6 miles S of Cathedral City 46 Comment
  SBBG69395  Petalonyx thurberi subsp. thurberi M. D. Clary 1928-7-4 515 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  SD73619  Petalonyx thurberi subsp. thurberi Helen V. Witham 1970-4-29 842 Riverside Sandy wash near Palm Desert. 99 Comment
  RSA423799  Petunia parviflora Crawford, J. M. Johnston 1917-6-9 1230 Riverside Santa Ana River near Corona. Comment
  HSC101084  Peucephyllum schottii Jim Andre 2012-3-19 21392 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  RSA20298  Peucephyllum schottii Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA676126  Peucephyllum schottii Scott D. White 2001-4-17 8340 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA795973  Peucephyllum schottii Duncan S. Bell 2009-4-19 296 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  CHSC8269  Phacelia Edward L. Smith 1958-3-21 353 Riverside Located 10 mi. e of Indio on hwy. 60. 213 Comment
  POM49017  Phacelia brachyloba P. A. Munz 1924-5-18 8133 Riverside 18 miles outh of Banning, San jacinto Mts. 1524 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
  RSA102328  Phacelia campanularia S. B. Parish, W. F. Parish 1882-04 216 Riverside Borders of the Colorado Desert, Whitewater. Comment
  SJSU6024  Phacelia campanularia R. C. McGehee 1970-4-28 229 Riverside 0.5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCD120287  Phacelia campanularia Geoffrey Levin 1974-3-30 8 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UC942747  Phacelia campanularia subsp. campanularia H. M. Hall 1905-4-1 5755 Riverside Whitewater 243 Comment
  POM250359  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  RSA0110952  Phacelia campanularia subsp. vasiformis Aaron C. Sedgwick, David Fraker 2012-3-28 37 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR121091  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24977 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR52007  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2101 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CLARK-A1045-308  Phacelia crenulata var. ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  JOTR34145  Phacelia crenulata var. minutiflora La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3162 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  POM13317  Phacelia curvipes E. C. Jaeger 1920-4-12 s.n. Riverside Old Nicholas Canyon. Santa Rosa Mountains. Comment
  SD52981  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains. 1615 Comment
  CAS-BOT-BC133957  Phacelia distans John H. Thomas 1957-3-29 6517 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  CLARK-A1045-319  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of Hathaway Creek, west of the Malki Museum; Cabazon 7.5'Q Comment
  HSC66622  Phacelia distans Christopher Davidson 1979-4-4 7726 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  OBI36170  Phacelia distans Sears 1978-3-18 915 Riverside 1/4 mi S of Chuckwalla Rd on the Corn Springs rd, 10 mi E of Desert Center. In wash area in foothills of the Chuckwalla mts. T6S, R17E, sec 5, 6 219 Comment
  RSA426222  Phacelia distans Ora M. Clark 1929-2-23 1590 Riverside North Whitewater. Comment
  RSA426223  Phacelia distans Ora M. Clark 1929-3-17 1697 Riverside Colorado Desert, south of Cabazon. Comment
  RSA770309  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4496 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. 488 Comment
  UC56705  Phacelia distans Geo. R. Hall 1901-3-17 Riverside Riverside 304 Comment
  UCR140704  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR201488  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR250875  Phacelia distans S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1042 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  POM289797  Phacelia distans Lyman Benson 1933-3-31 4178 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  RSA0055025  Phacelia distans Jim Shevock 1971-3-6 741 Riverside White Tank, Joshua Tree National Monument. 1001 Comment
  SEINET10420007  Phacelia distans Norman C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  SBBG41383  Phacelia imbricata J. T. Howell 1927-8-2 Riverside Idyllwild, Strawberry Valley Comment
  UCR164936  Phacelia imbricata T. B. Salvato, John F. Green 2004-5-27 620 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
  SEINET3158181  Phacelia ivesiana L. A. Greata sn Riverside Coachella Comment
  CLARK-A1528-3010  Phacelia minor John C. Roos 1947-3-21 3374 Riverside Reche Canyon Comment
  CSUSB147  Phacelia minor Mike Meloy 1964-5-7 640507 6 Riverside Box Springs Mountains Box Springs Mountain- Lower slopes. 365 Comment
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA614537  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCD120568  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Plateau, Gavilan Hills: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR97662  Phacelia minor A. C. Sanders, G. Helmkamp 1997-3-15 19918 Riverside Peninsular Range, Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 567 Comment
  LA205631  Phacelia parishii Philip A. Munz; 1937-5-29 15101 Riverside Shumway, edge of Pinyon Flats, San Rosa Mts 1219 Comment
Read comments
Mar 11 2014
  JEPS2792 Image available Phacelia parryi var. celata S. B. Parish 1907-1 Riverside San Gorgonio Pass Colorado Desert, Whitewater River; Whitewater River, San Gorgonio Pass, Colorado Desert Comment
  POM183984  Phacelia pedicellata P. A. Munz 1932-3-14 12012 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  RSA74795  Phacelia pedicellata F. W. Peirson 1920-2-16 970 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  UCR22110  Phacelia ramosissima Steve Boyd 1980-5-15 280 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR261176  Phacelia ramosissima A. C. Sanders, Katie Young, John Hale 2015-4-22 41602 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
  UCR16672  Phalaris aquatica Frederick Neill 1977-5-28 52804 Riverside Santa Ana Mtns., 4.8 mi. up Skyline Dr. from Corona, near crest of mountains 854 Comment
  UCR40514  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd., 3.3 mi east of junction with 8S01 and 8S02 Comment
  UCR155813  Phalaris minor John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UC1930127  Pholisma arenarium V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1062 b Riverside Peninsular Ranges, Jan Jacinto Mountains region: Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  RSA559430  Pholistoma auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  CAS-BOT-BC135073  Phoradendron californicum John Thomas Howell 1928-1-29 3301 Riverside Painted Canon [Canyon]. Colorado Desert Comment
  CAS-BOT-BC135101  Phoradendron californicum Catherine A. Toschi 1963-4-11 63 :123 Riverside Porcupine Wash, Joshua Tree National Monument 762 Comment
  RSA420774  Phoradendron californicum Robert Gustafson 1981-4-7 2152 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  JOTR31003  Phoradendron densum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1283 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  RSA717208  Phoradendron densum A. C. Sanders 2004-4-2 27429 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  CAS-BOT-BC141174  Phoradendron serotinum subsp. macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River NW of Corona 182 Comment
  CLARK-A1528-614  Phoradendron tomentosum subsp. macrophyllum P. A. Rauch 1966-1-24 Riverside Radec Comment
  UC1930134  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  JOTR35002  Physalis crassifolia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3104 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  POM69675  Physalis crassifolia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA788987  Physalis crassifolia Aaron C. Sedgwick, David Fraker 2012-3-28 18 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCD126797  Physalis crassifolia P. C. Everett; E. K. Balls 1958-4-29 23022 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 259 Comment
  UCR279593  Physaria tenella A. C. Sanders, Jim Malusa 2017-3-28 43160 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR44841  Phytolacca americana Don Domenigoni 1986-4-21 s.n. Riverside The Young property , Hemet Comment
  RSA263779  Picris echioides Robert Harvey 1959-8-4 153 Riverside Corona, Tin Mine Canyon 457 Comment
  SD90372  Pilularia americana Robert F. Thorne, Earl Lathrop 1969-5-12 37919 Riverside Santa Rosa Plateau, south end of Mesa de Colorado, Rancho California, north margin of marsh 625 Comment
  LA6050  Pinus contorta subsp. murrayana A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, Tauquitz (Tahquitz) Peak 2133 Comment
  CAS-BOT-BC78557  Pinus coulteri P. C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (N.) main divide motorway 1219 Comment
  SEINET10666440  Pinus coulteri Greg Gust, Leith Nye 2005-3-11 Gust 550 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  SEINET10719550  Pinus coulteri Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 133 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  SD229028  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 805 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UC1134064  Pinus monophylla H. S. Yates 1937-3-24 6471 Riverside s of Pinyon Flat; Thermal Quad. 975 Comment
  CAS-BOT-BC79088  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa, Santa Rosa Mountains 1676 Comment
  RSA741586  Pinus quadrifolia Scott D. White, Justin M. Wood 2008-6-17 12190 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  SEINET3874495 Image available Pinus quadrifolia R. M. Lanner 1970-12-17 2084 Riverside San Jacinto Mountains San Bernardino National Forest. Along Highway 74.; 0 Comment
  UCD134979  Pinus quadrifolia Jo Ann Olson; Gary R. Robbins 1969-3-29 21 Riverside On Vandeventer Flat, 2 miles south of State Highway 74 and 21 miles (by car) west of Palm Desert. 1447 Comment
  UCR98769  Piperia elongata Scott D. White 1996-8-1 4420 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR156297  Pityrogramma triangularis T. B. Salvato, Kent Beaman 2005-5-16 844 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA715309  Plagiobothrys canescens A. C. Sanders, John Green 2006-5-18 32369 Riverside Temecula/Murrieta Region: SE of Murrieta Hot Spings along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds. and S of Hurrieta Hot Springs Rd., Side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 351 Comment
  JOTR32965  Plagiobothrys canescens var. canescens La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2716 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM368962  Plagiobothrys collinus var. californicus Ora M. Clark 1929-3-2 1605 Riverside Near Alberhill. Comment
  RSA145925  Plagiobothrys collinus var. californicus William McKinley Klein, J. E. Klein 1958-2-9 17 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  RSA679813  Plagiobothrys collinus var. fulvescens LeRoy Gross, Valerie Soza 2003-5-8 835 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR266777  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt Amalong 2015-3-25 315- 23 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
  RSA601784  Plagiobothrys leptocladus D. Bramlet 1997-3-13 2492 Riverside Nichols Road Wetlands, the site is located 275m SE of Nichols road, 91m W of Collier Ave, 305m W of I15., The locality is E of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  UCR97261  Plagiobothrys leptocladus Scott D. White 1993-3-12 1155 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  POM368963  Plagiobothrys tenellus Christopher Davidson 1973-4-1 1827 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  UC1563044  Plagiobothrys tenellus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-31 3075 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  UCR97670  Plagiobothrys tenellus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19904 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC174041  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CLARK-A1528-3434  Plantago erecta John C. Roos 1937-3-5 1300 Riverside La Sierra Comment
  RSA401991B  Plantago erecta Bonnie C. Templeton, I. W. Clokey 1930-4-9 1021 Riverside North of Banning. Colorado Desert. 500 Comment
  SDSU18737  Plantago erecta C. Matt Guilliams 2008-2-13 449 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Just south of edge of mesatop. 426 Comment
  SEINET272151  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside: Box Springs Mtns. S end of the range along Gernert Rd. in valley draining to Box Spring Cyn. UTM 10km cell: 457 Comment
  UCR113886  Plantago erecta Mitch Provance 1998-4-9 407 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR102721  Plantago ovata B. G. Pitzer 1998-1-24 3407 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
  RSA0069667  Plantago ovata var. fastigiata Cheryl Sevilla, Sarah J. De Groot 2015-2-18 11 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA771697  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4694 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR35065  Plantago patagonica L. B. Ziegler 1972-5-30 465 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  UCR129783  Platanthera dilatata var. leucostachys P. A. Munz 1922-7-7 6065 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  UC50136  Platystemon californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  RSA552739  Plectritis ciliosa subsp. insignis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6761 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  RSA560375  Plectritis ciliosa subsp. insignis Steve D. Boyd 1992-4-14 6807 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR80733  Plectritis ciliosa subsp. insignis Steve Boyd 1992-4-18 6907 Riverside Gavilan Hills, SE end of range, east of Arroyo del Toro 488 Comment
  RSA129652  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 miles NW of Edon 49 Comment
  CAS-BOT-BC326636  Pleurocoronis pluriseta D. A. Johansen; J. A. Ewan 1932-4-12 7107 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  RSA102350  Pleurocoronis pluriseta S. B. Parish, W. F. Parish 1882-04 728 Riverside Mtns of Colorado Desert Comment
Read comments
Jul 12 2010
  CAS-BOT-BC356103  Pluchea odorata Mrs. E. C. Van Dyke 1928-5-26 s.n. Riverside Coachella Comment
  SDSU13611  Pluchea odorata W. Miller, C. Mosse 1972-7-19 Riverside Comment
  RSA33344  Pluchea sericea Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  SEINET2053973 Image available Pluchea sericea Heather Johnston 1967-5-16 51667 Riverside Salton Sea State Park. 0.9 miles South of entrance on CAL 111. Where creek crosses road 45 Comment
  RSA562114  Poa annua Steve Boyd 1992-4-14 6792 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA484228A  Poa bigelovii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA91516  Poa secunda F. W. Peirson 1933-4-15 1055 Riverside Whitewater Canyon, 4 miles above bridge of Hwy from Banning to Indio, 701 Comment
  UCR165201  Polygala cornuta var. fishiae Robert Cox 2003-9-8 s.n. Riverside Peninsular Ranges, Santa Ana Mtns., along Indian Truck Trail c. 1.8 mi. east of Santiago Peak 1128 Comment
  RSA740076  Polygonum arenastrum Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  SD143775  Polygonum aviculare subsp. depressum Scott D. White 1996-12-26 4644 Riverside Perris area, irrigared alfalfa field 424 Comment
  UCR110389  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23083 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA334990  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  SEINET3130262  Polypogon monspeliensis W. B. Crockatt sn Riverside Prado 91 Comment
  UCR201705  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-6-16 12113 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR17038  Populus fremontii Carolyn McNeill 1969-5-3 s.n. Riverside Edge of Potrero Creek, alongside Fields Rd., 3 mi. NW of Interstate 10 between Cabzon and Banning Comment
  UCR84215  Populus fremontii A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15905 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  SDSU13616  Populus fremontii subsp. fremontii W. Miller, C. Mosse Riverside Comment
  RSA753027  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. and Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA701158  Porophyllum gracile Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11261 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC63187  Porophyllum gracile H. M. Hall May 1901 1864 Riverside along the borders of the, Eastern base Colorado Desert Comment
  UCR68618  Porophyllum gracile Steve Boyd, D. E. Bramlet 1990-4-29 4485 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  UCR35307  Potamogeton crispus L. B. Ziegler 1974-7-9 530 Riverside Peninsular Range; San Jacinto Mtns., Hemet Lake 1335 Comment
  UCR24108  Potamogeton diversifolius John C. Roos 1937-8-18 2533 Riverside San Jacinto Mtns, Hidden Lake Comment
  UC454979  Potentilla gracilis var. elmeri I. J. Condit 1910-6-21 Riverside Strawberry Valley , Strawberry Valley (San Jacinto Mts.) 1676 Comment
  SD232323  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Mesic meadow and adjacent uplands. 1584 Comment
  UC415580 Image available Potentilla gracilis var. fastigiata H. E. Hasse 1892-7-1 5696 Riverside Strawberry Valley; ; Strawberry Valley, San Diego Co. [formerly] Comment
Read comments
Dec 11 2006
  POM33495  Prenanthella exigua Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  UCR92705  Proboscidea parviflora var. hohokamiana A. C. Sanders, S. Hawkins 1996-4-24 18084 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR279464  Prosopis glandulosa subsp. torreyana A. C. Sanders, Jim Malusa 2017-3-27 43124 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  POM2528  Prosopis glandulosa var. torreyana Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  RSA652724  Prosopis glandulosa var. torreyana N. D. Hogg 1969-5-3 s.n. Riverside 1/2 mile south of Coachella, on Hwy 111. Desert floor of Coachella Valley Comment
  SD143888  Prosopis pubescens A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15880 Riverside Colorado Desert, Salton Trough, Dos Palmas oasis area, San Andreas Palm Grove, 1.75 km WSW of Rancho Dos Palmas, on the margins of grove; marked 'seep' on Durmid 7.5' quad. -22 Comment
  RSA453232  Prunus fasciculata Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  CLARK-A1528-819  Prunus fremontii 1968-4-14 18 Riverside San Jacinto Mountains 1066 Comment
  CAS-BOT-BC154439  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area where Alberhill Creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan HIlls Comment
  UCR155054  Prunus ilicifolia Jason L. Hlebakos 2005-5-30 818 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CAS-BOT-BC356345  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca-Blythe Road Comment
  UC90701  Psathyrotes ramosissima E. Palmer, M. D. March 1876 Riverside Valley of the Colorado Comment
  UCR33597  Psathyrotes ramosissima Sears 1978-3-18 940 Riverside Sonoran (Colorado) Desert, Corn Springs wash at Corn Spring. 7 mi SE of Desert Center in wash 473 Comment
  UCSB36484  Psathyrotes ramosissima Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 Comment
  UCR54  Pseudognaphalium biolettii William R. Bowen 1962-3-18 014 Riverside Box Springs Canyon behind UCR campus 305 Comment
  UC1118482  Pseudognaphalium californicum A. Lewis 1934-3-1 316 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle, Tin Mine Canyo 609 Comment
  JOTR32527  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SDSU13327  Pseudognaphalium microcephalum Ryan Jacobson, Jeremy Mass 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. About 1.5 miles from south-side facilities. 177 Comment
  POM212613  Psilocarphus brevissimus P. A. Munz 1941-5-18 16648 Riverside About 15 miles northeast of Temecula. Comment
  RSA393771  Psilocarphus brevissimus Robert Gustafson, Gary D. Wallace 1983-6-23 2713 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  RSA92380  Psilocarphus brevissimus F. W. Peirson 1922-4-29 2949 Riverside South of Lake Elsinore. 381 Comment
  CAS-BOT-BC353583  Psorothamnus arborescens var. simplicifolius O. F. Sillig 1911-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  SD80985  Psorothamnus arborescens var. simplicifolius J. Harada 1969-5-3 14 Riverside 2.0 miles from Morongo Valley Road on Dillon Road; Indio Hills. 456 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  CAS-BOT-BC340925  Psorothamnus schottii Robert F. Thorne; R. Rutherford 1964-4-12 33655 Riverside About 1 mile W of Turnoff to Cottonwood Wells, along Hwy 60-70 Comment
  UCD108355  Psorothamnus schottii Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCR166543  Psorothamnus schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10891 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SD153019  Pteridium aquilinum var. pubescens Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7313 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
  SD155441  Pterospora andromedea Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, south of east/west fire road on embankment, near summit. Comment
  POM209228  Pterostegia drymarioides S. G. Stokes 1934-7-1 313 Riverside San Jacinto Mountains 1067 Comment
  RSA770690  Pterostegia drymarioides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4793 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR35074  Pterostegia drymarioides L. B. Ziegler 1973-3-6 497 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  RSA249100  Pulicaria hispanica O. F. Clarke 1972-9-17 s.n. Riverside Santa Ana river bottom. Adjacent river view drive Rubidoux Comment
  UCR102901  Purshia glandulosa Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  UCSB18179  Purshia tridentata var. glandulosa Black, Richard 1964-5-10 Riverside State Highway 74, 8 miles S of Pinyon Flats Campground 929 Comment
  RSA39111  Quercus X munzii C. Epling 1945-1 s.n. Riverside Near Keyes Ranch, Little San Bernardino Mts. Comment
  CAS-BOT-BC61816  Quercus agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal valley: Wright Ranch Comment
  UCR108323  Quercus agrifolia L. C. Wheeler 1960-8-6 7779 Riverside Peninsular Range, Temescal Canyon, c. 1 mi. east of Glen Ivy, Wright Ranch. Comment
  SDSU13475  Quercus agrifolia var. agrifolia James C. Dice, Ruth Miller 1987-11-23 753 Riverside Santa Margarita Ecological Reserve: near northeast edge of Reserve, at north edge of Eucalyptus planting. T8S, R3W, Section 22. 366 Comment
  RSA713579  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -580 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  RSA476773  Quercus berberidifolia E. Crow 1929-4-21 345 Riverside Near Lake Elsinore Comment
  RSA702555  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Black Hills,' southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  UCD162842  Quercus berberidifolia D. O. Burge 2015-3-17 1692 Riverside Rainbow area. 410 Comment
  CHSC21926  Quercus chrysolepis L. A. Bellue; Robert A. Schlising 1970-11-7 2954 Riverside Morris Ranch Road, 3.3 miles N Highway 74. Comment
  UCD105638  Quercus chrysolepis K. M. Meyer; A. Townesmith, T. Scott 2007-3-15 131 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCD14089  Quercus cornelius-mulleri Stephen K. Langer 1995-4-7 s.n. Riverside California, Riverside Co.; Pinyon Flats, Santa Rosa Mountains, Comment
  UC5842  Quercus engelmannii Samuel B. Parish 1891-11-3 2257 Riverside near Murietta Comment
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Jul 15 2009
  RSA654797  Quercus ilex A. C. Sanders 1997-5-12 20711 Riverside Riverside: east side of UCR campus along wash below Botanical Garden, near parking lot 13. 335 Comment
  CAS-BOT-BC105318  Quercus kelloggii Carl Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA741216  Quercus wislizeni Scott D. White, Justin M. Wood 2008-6-16 12110 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC1212091  Quercus wislizeni Peter M. Ray 1948-11-27 1311 Riverside Hall Canyon San Jacinto Mts. Comment
  UCR187289  Quercus wislizeni Diane Menuz 2006-6-27 180 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  RSA0097941  Quercus wislizeni var. frutescens Marc A. Baker, Chris Taylor, Paul Roberge 2015-7-9 18403 .1 Riverside San Gorgonio Pass, 34 km WNW of central Palm Springs, 300m south of the San Gorgonio River, 3 km ENE of Banning. 662 Comment
  OBI14208  Quercus wislizeni var. wislizeni Louis C. Wheeler 1931-10-4 244 Riverside 2 mi N Idyllwild, San Jacinto Mts 1798 Comment
  JOTR30996  Rafinesquia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1318 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA653157  Rafinesquia californica Mitch Provance 1998-6-6 694 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  RSA721118  Rafinesquia neomexicana J. R. Bruff 1927-3-13 2 -H Riverside Thousand Palms Comment
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Apr 3 2011
  SEINET192001  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Joshua Tree National Monument ; Cottonwood Spring wash. Comment
  UC56754  Ranunculus californicus H. M. Hall Apr. 1902 2889 Riverside Coahuilla Comment
  CAS-BOT-BC378490  Ranunculus californicus var. californicus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37427 Riverside Santa Rosa Plateau; abundant in grasslands on Mesa Colorado near large vernal marsh, Rancho California 670 Comment
  UCR30480  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 427 Comment
  JEPS53816  Raphanus raphanistrum W. L. Jepson 1901-5-17 1242 Riverside San Jacinto Valley, near farm, from Riverside to Santa Rosa Peak and Palomar San Jacinto Valley Comment
  UCR4160  Raphanus sativus R. H. Sauer 1965-3-1 s.n. Riverside City of Riverside, west end of Big Springs Road 335 Comment
  UCR231042  Rhamnus californica A. C. Sanders, Kent Beaman 2011-9-27 39922 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  RSA180358  Rhamnus crocea E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  UC1929671  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ Theodore St. Adjacent to County Landfill. Comment
  UC1979345  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79. Comment
  UCR156289  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-5-16 859 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
  RSA210968  Rhamnus ilicifolia C. W. Tilforth 1969-7-24 212 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  RSA314404  Rhamnus ilicifolia Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55387 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA652630  Rhamnus ilicifolia R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  RSA652631  Rhamnus ilicifolia Jerry Wilk 1969-5-24 s.n. Riverside 15 mi. S. of Banning on Palms to Pines Hwy. Comment
  SEINET10778394  Rhinotropis cornuta var. fishiae J. Richard Abbott 2001-8-18 Abbott 14678 Riverside Santa Ana Mountains, San Juan Canyon, 6.7 miles SW of E-edge of Cleveland National Forest; 0.1 mile E of Orange County line on CA 74, 2 miles W of road N to Upper San Juan Campground; steep NNW-facing chaparral slopes. Comment
  SBBG59933  Rhododendron occidentale M. Lewis 1947-8-26 9 Riverside Dark Cyn 1981 Comment
  CAS-BOT-BC170427  Rhus H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chio Canyon, San Jacinto Mtn. Comment
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Sep 3 2017
  UCD116881  Rhus aromatica Ted C. MacRae 1995-5-26 43 b Riverside Santa Rosa Mts., Pinyon Flats Cpgd., 15.5 mi S Palm Desert. 1219 Comment
  UCR97653  Rhus aromatica A. C. Sanders, George K. Helmkamp 1997-3-15 19957 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UC217847  Rhus ovata P. A. Munz, D. Keck 1922-4-14 5004 Riverside e Whitewater Ranch; Colorado Desert 213 Comment
  UC1329869  Rhus trilobata James E. Cole 1941-5-23 775 Riverside Split Rock Area; Joshua Tree National Monument 1280 Comment
  CAS-BOT-BC433101  Ribes Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  CAS-BOT-BC92416  Ribes aureum var. gracillimum L. A. Greata 1908-4-6 6894 Riverside Eden Hot Springs 10 miles north of San Jacinto. Comment
  CAS-BOT-BC173141  Ribes indecorum Wesley O. Griesel 1959-3-24 s.n. Riverside Highway 79, 7 miles south of Hemet 609 Comment
  RSA0117125  Ribes indecorum Mitchell Provance 2012-1-26 112 -04 Riverside Badlands of Western Riverside County: San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat. 695 Comment
  UCR270195  Ribes indecorum A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42418 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  UCR47227  Ribes indecorum B. G. Pitzer, Jack Easton 1987-3-10 405 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  POM48327  Ribes malvaceum var. viridifolium E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA171333  Ribes roezlii J. D. Olmsted 1962-5-3 3500 Riverside San Jacinto Mts, Rnear top fo Thomas Mt. 1951 Comment
  UCR35281  Ribes roezlii var. roezlii L. B. Ziegler 1968-6-12 316 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  RSA736851  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC1929908  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UC1929756  Rorippa curvisiliqua Scott D. White 2003-10-9 9818 Riverside San Jacinto Mountains: Pine Cove. Lily Creek just north of crossing at Hwy 243. Comment
  UCR50008  Rorippa palustris Maureen Hales Pendleton 1987-12-7 s.n. Riverside Peninsular Range, Old Vail Ranch, off Pala Rd., 1 mile south of Hwy 79 Comment
  UCR188895  Rorippa palustris subsp. occidentalis Fred M. Roberts, S. Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA388396  Rosa californica Robert F. Thorne 1985-7-18 61202 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  UCR149984  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR94930  Rumex acetosella Scott D. White 1996-8-15 4468 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  SD51945  Rumex californicus Reid Moran 1962-7-7 9861 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  RSA0020382  Rumex hymenosepalus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4658 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  UCD101644  Rumex salicifolius Scott D. White 1997-5-25 5247 A Riverside San Jacinto Mtn. Bautista Canyon: Hixon Trail (USFS No.2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing, 792 Comment
  UCR172280  Rumex salicifolius John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  RSA735231  Rumex salicifolius var. denticulatus Scott D. White, Angelia Carey 2004-6-4 10480 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR150986  Sagina saginoides L. C. Wheeler 1961-6-20 7894 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  UCR266335  Salicornia subterminalis D. E. Bramlet 1992-5-28 2294 Riverside Perris-Aguanga Basin region, west of Hemet, south of Florida Ave. and EMWD canal 457 Comment
  POM2079  Salix exigua D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley. Comment
  RSA770892  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4595 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR114319  Salix gooddingii Mitch Provance 1998-3-21 268 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  UCR225737  Salix gooddingii A. C. Sanders, T. B. Salvato 2011-3-30 38891 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR17443  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-2-13 334 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' up from Zabriskie-335, immediately below Andreas Canyon Clubhouse, Andreas Canyon, E slope of mountains Comment
  JOTR36410  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA126716  Salix lasiolepis Peter H. Raven 1958-5-17 12965 Riverside along road to Banning 6.1 miles northwest of Lake Fulmor, San Jacinto Mountains. Comment
  UC219098  Salix scouleriana P. A. Munz and I. M. Johnston 1922-5-21 5518 Riverside along stream 1 mi. from Hemet Reservoir; San Jacinto Mts., Hemet Valley 1386 Comment
  SD122176  Salsola australis James C. Dice, J. DeWald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km eastnortheast of Gavilan Mountain. 330 Comment
  RSA772578  Saltugilia australis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5047 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  SEINET3860546  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, plants collected 0.3 to 1.7 miles from Tripp Flats Forest Service station. Plants farther up road in mid flower, a few in seed; mostly past flowering near start of road with capsules just ripening.; 0 1220 Comment
  RSA0094962  Saltugilia australis F. W. Peirson 1921-3-22 4136 Riverside Murray Canyon, Colo. Desert. 396 Comment
  UCR103732  Salvia apiana A. C. Sanders 1997-3-19 20030 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  SEINET7970252  Salvia carduacea I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-1 4624 Riverside Perres, Gavilan Peak. 600 Comment
  UCR201000  Salvia carduacea Justin M. Wood, Scott D. White and Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  POM70146  Salvia columbariae Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  RSA401481  Salvia columbariae Robert L. Dressler 1949-3-19 369 Riverside Box Canyon, Orocopia Mts. Comment
  RSA614627  Salvia columbariae D. L. Banks 1997-3-29 1569 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UC1124712  Salvia columbariae A. Lewis Mar 1934 326 Riverside Bedford Canyon; Corona Quad. 335 Comment
  UCLA70166  Salvia columbariae Norman C. Cooper 1944-4-21 1149 Riverside Banning 701 Comment
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Mar 13 2011
  UCR213614  Salvia columbariae A. C. Sanders, Matthew Malle 2010-4-23 38006 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  SEINET10499060  Salvia columbariae David B. Dunn 1948-3-14 Dunn 3780 Riverside Chia sage. Flat open sands near hidden springs ranch. 3 Mi s of the indio hills. Colorado hills. Comment
  LA86110  Salvia eremostachya W. A. Jr. Emboden; 1962-5-20 2062 Riverside Pinion Flats, Palms to Pines Highway Comment
  RSA295248  Salvia eremostachya N. R. Zabriskie, Walter Zabriskie 1972-3-30 503 Riverside below Pinyon Crest in Chapman s Rancheros area toward Dos Palmas Spring; northwest of Hwy 74 in Santa Rosa Mts. 1098 Comment
  CHSC26069  Salvia mellifera James Henrickson 1970-4-10 4529 Riverside 8 air miles ESE of Temecula along Hwy. 71-79. 542 Comment
  RSA434145  Salvia mellifera E. Crow 1929-3-17 190 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA614399  Salvia mellifera D. L. Banks 1997-3-16 1533 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCD125587  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mile west of Aguanga. Comment
  UC511829  Salvia vaseyi Frank W. Peirson 1933-4-13 10635 Riverside road from Deep Canyon to Idyllwild 487 Comment
  UCLA69741  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 0.6 mi below Shumway Road (Palms-to-Pines Highway) Comment
  CDA18821  Salvinia molesta R. O'Connell 1999-8-2 PDR 1142335 Riverside Palo Verde Irrigation District. 0 Comment
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Feb 6 2009
  POM4389  Sambucus mexicana O. W. Robinson 1916-3-29 s.n. Riverside Burton's Canyon south of Lake Elsinore. Comment
  UCR154445  Sambucus mexicana A. C. Sanders, Mike Misenhelter 2005-6-15 30974 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
  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
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UC449724  Sarcostemma cynanchoides subsp. hartwegii unknown 1905-9-26 251 Riverside Highgrove, Sugarloaf Mt. Comment
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Oct 20 2007
  RSA659252  Schoenoplectus californicus M. Duke, Christy Hightower, C. McElroy 1982-5-15 2 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  SEINET7591474 Image available Schoenoplectus californicus Ira L. Wiggins 1937-2-19 s.n. Riverside .5 miles N of Palo Verde Comment
  POM96249  Schoenoplectus maritimus E. Johnson 1925-10-10 s.n. Riverside Corona. Comment
  RSA544407  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross 1991-6-14 6375 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR136199  Scrophularia californica A. C. Sanders 2004-6-20 28234 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  POM9392  Scrophularia californica subsp. floribunda I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  UCR193422  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35641 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR193732  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35648 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  OBI13580  Scutellaria mexicana Robert F. Hoover 1966-10-15 10176 Riverside Bighorn Dr, San Jacinto Mts Comment
  RSA247367  Scutellaria siphocampyloides Gary D. Wallace 1966-7-3 645 Riverside San Jacinto Mountain: Thomas Mountain, southeast of Idyllwild. Comment
  RSA583119  Scutellaria siphocampyloides C. Epling, W. M. Robinson 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  CAS-BOT-BC69808  Selaginella bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Whitewater. Comment
  POM12525  Selaginella bigelovii Philip A. Munz, D. Keck 1922-4-14 5007 Riverside East of White Water Ranch 244 Comment
  SEINET3074313 Image available Selaginella bigelovii A. C. Sanders, M. Jacobsmeyer, C. Sanders 1995-2-5 15908 Riverside San Bernardino Mountains; Whitewater Canyon, between Bonnie Bell and the fish hatchery. 550 Comment
  RSA0119892  Selaginella eremophila Duncan S. Bell, Thomas Stoughton 2016-4-12 9223 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 775 Comment
  RSA85940  Selaginella eremophila Frank W. Peirson 1920-2-15 1531 Riverside Tahquitz Canyon near Palm Springs Comment
  SEINET4065944  Selaginella eremophila S. B. Parish 1907-1 611 Riverside Collected from the western border of the Colorado desert. 200 Comment
  UCR89386  Selaginella eremophila A. C. Sanders, P. J. MacKay, O. F. Clarke, S. D. White, C. L. Sanders 1994-11-27 15866 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  RSA206253  Selaginella watsonii Reid V. Moran 1968-8-3 15356 Riverside 1 mile NW of Toro Peak. 2250 Comment
  UCR146130  Selaginella watsonii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1446 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  SEINET7063442  Senecio A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  UC130481  Senecio aphanactis Charlotte M. Wilder 1909-3-28 894 Riverside Wilder's Canyon , Wilder's Canyon (Jurupa Hills) Comment
  UC35949  Senecio californicus E. L. Koethen April 1897 18 Riverside Plains Comment
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Mar 12 2011
  UCR92386  Senecio flaccidus var. douglasii F. M. Reed 1933-11-6 8306 Riverside Peninsular Range; Santa Rosa Mtns, Santa Rosa Indian Reservation 1402 Comment
  RSA612491  Senecio vulgaris D. L. Banks 1997-2-23 1326 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
  UCSB37842  Senegalia greggii 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
  UCR57995  Senna obtusifolia Les Ede 1989-8-19 s.n. Riverside Colorado River Valley/ Sonoran (Colorado)