Search Results — 2000 specimen records retrieved (1872 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  JEPS47973  Abies concolor W. L. Jepson and H. M. Hall 1901-5-19 1304 Riverside Strawberry Valley Southern California, Mt. San Jacinto, Strawberry Valley Comment
  SBBG56410  Abies concolor Marjorie Lewis 1947-8-26 7 Riverside Dark Canyon 1981 Comment
  CAS-BOT-BC229355  Abronia villosa F. O. Ballou 1926-2-25 s.n. Riverside Indian Wells Comment
  RSA461028  Abronia villosa D. A. Young 1969-3-28 P- 393 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  GMDRC5052  Abronia villosa var. aurita J. Andre, G. L. Clifton 2011-2-22 17473 Riverside Coachella Valley: N. Palm Springs approx. 0.3 mi. north of Hwy 111, growing in vacant lot at corner of San Rafael and Virginia Street 189 Comment
  POM202487  Abronia villosa var. aurita Marcus E. Jones 1934-5-9 s.n. Riverside Corona Comment
  RSA0012147  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR268585  Abronia villosa var. aurita Jim Andre 2012-6-15 30546 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA776934  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-11 217 Riverside Willis Palms loop at boundary of Coachella Valley Preserve, near end of Willis Rd on sides of wash 124 Comment
  UCR227180  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  UCR244443  Abronia villosa var. villosa Jim Andre 2012-4-16 20934 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  UC303555  Abutilon theophrasti Gordon Surr Sep 1917 Riverside Citrus Experimental Station Riverside Comment
  JEPS64732  Acacia greggii W. L. Jepson 1912-10-29 5246 a Riverside near Blach Point (Riverside Mountains, along the Colorado River, Blythe Intake, Needles to Yuma); Riverside Mountains, Colorado River, Blythe Intake 88 Comment
Read comments
May 15 2011
  JEPS64739  Acacia greggii Marjorie Clary 1929-5-17 10 Riverside San Jacinto Mountains, Palm Springs Palm Springs; San Jacinto Mountains, Palm Springs Comment
  SEINET8081480 Image available Acacia greggii Leila M. Shultz, John S. Shultz 1985-1 8270 Riverside Chuckawalla Valley Sand dunes, east of the Chuckawalla Mountains 122 Comment
  UC604867  Acacia greggii Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills Comment
  RSA0055055  Acacia greggii Nancy Anderson 1955-5-22 s.n. Riverside Palm Springs 138 Comment
  SEINET10491238  Acacia greggii Billy Joe Cox 1975-6-26 Cox 4201 Riverside Palo Verde, 103 km W, (ca 32 mi S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  RSA750537  Acamptopappus sphaerocephalus Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12587 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  RSA730112  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA314173  Acer negundo subsp. californicum Walter Wisura 1983-11-12 3949 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  UC70982  Achnatherum coronatum H. M. Hall April 1903 3790 Riverside vicinity of Riverside 365 Comment
  SBBG34963  Achnatherum speciosum T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  CDA23996  Achyronychia cooperi G. D. Barbe 1984-2-7 4132 Riverside 2 miles northeast of Desert Center, 0.2 mile north of Oasis Road. 0 Comment
  JOTR34301  Achyronychia cooperi Andre, Jim 2012-4-11 20713 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  OBI26118  Achyronychia cooperi David J. Keil 1976-12-12 11919 Riverside Along I-10, 37 mi E of Chiriaco Summit 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
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  SD224962  Acmispon grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild Area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1700 Comment
  RSA0117927  Acmispon rigidus Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7635 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  SBBG44749  Acmispon rigidus Leota Davidson 1965-5-11 179 Riverside Joshua Tree Nat Monument Comment
  SD144076  Acourtia microcephala Scott D. White 1997-5-25 5246 A Riverside San Jacinto Mts: Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn Rd and intermittent stream crossing. 790 Comment
  UCR71763  Acrachne racemosa L. F. LaPre, Megan Phillips 1991-9-9 91- 18 B Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
Read comments
Sep 10 2011
  RSA0119991  Adenophyllum porophylloides Duncan S. Bell, Thomas Stoughton 2016-4-13 9261 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  SEINET10859062  Adenophyllum porophylloides A. K. Evans 1976-4-13 Evans 5204 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  RSA180283  Adenostoma fasciculatum var. fasciculatum E. W. Lathrop 1965-4-4 5629 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA453185  Adenostoma sparsifolium Bonnie C. Templeton 1937-5-17 4400 Riverside Along Palms to Pines Highway on S side of San Jacinto Mountains. Comment
  UCD112519  Adenostoma sparsifolium Richard Bates 1949-5-21 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR158947  Adiantum jordanii Scott D. White 1994-6-14 2053 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR50390  Adiantum jordanii L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  CAS-BOT-BC46154  Agoseris heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mts. 1371 Comment
  SEINET5335835  Agropyron trachycaulum var. trachycaulum H. M. Hall 2174 Riverside Thomas Valley. 1372 Comment
  CAS-BOT-BC127424  Agrostis exarata Peter H. Raven; R. Snow 1957-7-26 1110 Riverside 2.0 miles south of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto Mountains. Comment
  SEINET10467647  Agrostis oregonensis David B. Dunn 1946-8-17 Dunn 2707 Riverside Found in dry soil of taquitz valley in the san jacinto mts. Comment
  RSA708056  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 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
  UCSB39094  Allenrolfea occidentalis Jorgensen, Jan 1982-3-6 Riverside Coachella Valley, along Avenue 66 in Coachella -70 Comment
  JEPS22520  Allionia incarnata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6190 Riverside 9.4 mi n of Blythe (at western base of the Big Maria Mountains); Big Maria Mountains 167 Comment
  OBI29474  Allionia incarnata David J. Keil, Melissa Luckow 1979-8-31 13150 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  RSA793264  Allionia incarnata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 146 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  UCR48386  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  UCR79484  Allium lacunosum Steve Boyd, T. S. Ross 1992-5-15 7386 Riverside Southern Santa Ana Mtns., Southeastern flank of Elsinore Peak at 'Onion Hill,' a grassy knoll of clay soil c. 0.25 mi SE of radio towers, along old Main Divide Road track. 1021 Comment
  SD247269  Allium marvinii Jeff B. Galvin, Diane Menuz May 2009 89 Riverside San Jacinto Mountains foothills: Northwest foothills of San Jacinto Mountains foothills. North of Soboba Road off Poppet Falts Truck trail. 815 Comment
  RSA348947  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. shallow N-facing draw, just W of third powerline tower, N of summit. 841 Comment
  UCR42166  Allium munzii Steve Boyd 1986-4-10 1645 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
  UCR77592  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6133 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR280619  Allium peninsulare var. peninsulare Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 08 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA367128  Allium praecox B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1484 Riverside North of Gavilan Peak. 550 Comment
  UC843364  Allium praecox C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4625 Riverside Gavilan Peak 550 Comment
  CDA7116  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Yard of residence at 5081 Magnolia Ave, corner of Chapman Place, Riverside. Comment
  UC52844  Allophyllum gilioides subsp. violaceum H. M. Hall 1901-7-17 2450 Riverside Tauquitz Valley San Jacinto Mts., Tauquitz Valley 2133 Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  CAS-BOT-BC170129  Alnus rhombifolia Lewis S. Rose 1938-2-1 38003 Riverside Whitewater 213 Comment
  RSA5485  Alnus rhombifolia C. B. Wolf 1932-5-24 3649 Riverside 1/2 mile below the fish hatchery, Snow Creek, north base of San Jacinto Mts. 549 Comment
  IRVC28975  Amaranthus B. L. Phillips 1994-9-12 s.n. Riverside Riverside, UCR campus 336 Comment
  UCR111747  Amaranthus albus G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above parking lot #6. 274 Comment
  RSA191450  Amaranthus californicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6666 Riverside 6 miles NW of Murrieta. 610 Comment
  UCR110392  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 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
  UCR272486  Amaranthus deflexus Mitch Provance 2013-6-16 613- 18 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA781408  Amaranthus fimbriatus Duncan S. Bell 2011-10-22 2988 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UC527700  Amaranthus fimbriatus C. B. Wolf 1931-10-14 Riverside 0.5 mi below Fish Hatchery (Snow Creek, n base of the San Jacinto Mts.); San Jacinto Mts., Snow Creek 548 Comment
  RSA319700  Amaranthus palmeri Patricia Wilder 1970-10-30 4820 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA652939  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside: Hillside area, along the S side of Dewey St., between Streeter Ave. and Palm Ave. 237 Comment
  RSA500106  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3664 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR128943  Ambrosia dumosa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR214716  Ambrosia dumosa A. C. Sanders 2010-3-23 37545 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CLARK-A1528-2032  Ambrosia ilicifolia John C. Roos 1947-1-11 3199 Riverside Chuckwalla Mountains Comment
  SDSU13506  Ambrosia psilostachya W. Miller with C. Mosse 1972-7-13 Riverside west of M.W.D. Station. Comment
  UCR141234  Ambrosia psilostachya A. C. Sanders, Mike Misenhelter 2004-10-6 28833 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  SBBG100464  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  RSA653661  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  UCR188890  Ammannia coccinea Fred M. Roberts, S. Leatherman 2007-9-19 6579 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR161033  Ammi majus B. G. Pitzer 1993-5-6 s.n. Riverside Riverside, in the yard of the Pitzer residence, Wendel Way 335 Comment
  RSA575847  Amorpha fruticosa Steve Boyd 1982-11-2 s.n Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  SEINET1004491  Amorpha fruticosa T. B. Salvato, Kent Beaman 2005-1 839 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of CA Hwy 74 549 Comment
  PASA1998  Amsinckia douglasiana Frank W. Peirson 1921-3-22 Riverside Murray Canyon, Palm Springs Region 396 Comment
  UC1084572  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-4-6 2198 Riverside 1/4 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  RSA0089615  Amsinckia intermedia Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3080 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  LA90398  Amsonia tomentosa William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument 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
  RSA585736  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0399 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA800109  Androstephium breviflorum Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4764 Riverside East side of the Arica Mountains; west side of Rice Valley, approximately 6 air miles southeast of the ghost town of Rice or approximately 5 air miles southeast of Priests Well. 198 Comment
  UCR37487  Anemopsis californica Steve Boyd 1981-5-8 s.n. Riverside Gavilan Springs Ranch, Gavilan Plateau Comment
  UC63096  Anisocoma acaulis H. M. Hall May 17 1901-Jun 1 1901 1807 Riverside s side, (journey from Riverside to Santa Rosa Peak and Palomar) San Jacinto Mt. 1554 Comment
Read comments
Nov 9 2015
  UCR104174  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area, roadside of Simpson Ave. <1 mi. west of intersection with Winchester Rd. 445 Comment
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  RSA673633  Antirrhinum coulterianum Scott D. White, Tasha La Doux 2000-4-20 7700 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR81110  Antirrhinum coulterianum Scott D. White 1993-5-29 1455 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  CLARK-A1045-120  Antirrhinum filipes George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q 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
  UCR279499  Antirrhinum filipes A. C. Sanders, Jim Malusa 2017-3-25 43008 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  POM98994  Antirrhinum filipes E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  UCR5785  Antirrhinum nuttallianum subsp. nuttallianum S. M. Chambers 1970-4-19 11 Riverside Riverside, half way up the W slope of the Box Springs Mtns from Big Springs Road 610 Comment
  RSA0126159  Arabis glabra C. B. Wolf 1931-5-11 1962 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  UCR24915  Arabis glabra A. C. Sanders 1980-7-18 1675 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR202616  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 C Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  UCR47280  Arabis pulchra D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UCR17061  Araujia sericifera O. F. Clarke 1970-7-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, University of California campus, orchard south of Pennsylvania Ave. [now Martin Luther King Blvd] and west of Canyon Crest Drive 336 Comment
  UCR193729  Arceuthobium campylopodum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35657 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA629153  Arctostaphylos Jon E. Keeley 1992-7-17 16786 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629353  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7260 Riverside On Twin Pines Ranch Road off Highway 243. Comment
  RSA629406  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19500 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629461  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16813 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR278160  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42668 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  UCR133431  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 447 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  POM254953  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 1098 Comment
  RSA631748  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19289 Riverside Highway 79, at Radec. 580 Comment
  RSA631754  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19269 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631800  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19568 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631837  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15063 Riverside Highway 79, 3 km east of Temecula Creek. 550 Comment
  UCR139049  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  RSA633562  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16720 Riverside Road to Santa Rosa Mountain (7S02), 2.1 km south of Highway 74. 1600 Comment
  RSA633569  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
  RSA633632  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22656 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633639  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20145 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633697  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16659 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633737  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20108 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635691  Arctostaphylos pringlei Jon E. Keeley 1992-7-16 16600 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  CAS-BOT-BC44357  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  CAS-BOT-BC44358  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1958-5-17 12957 Riverside Along road to Banning 6.1 miles north-west of Lake Fulmor, San Jacinto Mountains. Comment
  SBBG5480  Arctostaphylos pringlei subsp. drupacea M. Van Rensselaer 1937-7-23 Riverside San Jacinto Mtns 1859 Comment
  UCD50808  Arctostaphylos pringlei var. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, one and one-half miles from Idyllwild on road to Banning; San Jacinto Mts. 1706 Comment
  CAS-BOT-BC46343  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at deer Springs trailhead and adjacent area. USGS San Jacinto Pk. 7.5' topo. 1828 Comment
  UCD53754  Arctostaphylos pungens A. E. Wieslander 1936-8-29 682 Riverside Tahquitz Pk. Road. 1524 Comment
Read comments
Dec 15 2011
  RSA575903  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon. Fisherman's Camp. 462 Comment
  RSA635996  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21608 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA752790  Arenaria macradenia Scott D. White, Justin M. Wood 2009-5-21 12856 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  RSA13771  Argemone munita subsp. munita E. C. Jaeger 1921-7-14 1125 Riverside Soboba Hot Springs Comment
  RSA434322  Argemone munita subsp. munita N. Cooper 1949-6-29 4289 Riverside East side of San Jacinto, dry roadside bank 1524 Comment
  SD114886  Argemone munita subsp. robusta E. W. Lathrop 1979-8-14 7640 Riverside 3.0 miles southwest of Corona; Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  RSA434319  Argemone munita subsp. rotundata M. B. Dunkle 1933-5-6 3420 Riverside Dry Morongo Creek. Comment
  SEINET10453712  Argythamnia neomexicana David B. Dunn 1946-3-16 Dunn 2059 Riverside Collected on dry plateau 0.5 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  UCR256798  Aristida adscensionis T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7874 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SEINET239055  Aristida divaricata A. C. Sanders, S. D. Boyd; Mitch Provance J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern) 1 mile. NW of Hwy 371 junction to Anza (Butterfl 1441 Comment
  RSA781413  Aristida purpurea Duncan S. Bell 2011-10-22 2993 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA740945  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2008-6-17 12189 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UC1930099  Aristida purpurea var. longiseta Scott D. White, Justin Wood 2008-6-5 12063 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  JOTR34101  Aristida purpurea var. nealleyi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2750 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA125963  Artemisia californica E. K. Balls, Percy C. Everett 1957-11-4 22755 Riverside Snow Creek. 610 Comment
  CAS-BOT-BC90420  Artemisia douglasiana E. W. Lathrop 1966-3-20 6067 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and the Tenaja Guard Station Comment
  UCR138553  Artemisia douglasiana Steve Boyd, D. E. Bramlet 1988-10-8 2883 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  RSA508336  Artemisia dracunculus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  CAS-BOT-BC93730  Artemisia ludoviciana subsp. albula Lewis S. Rose 1945-12-24 45315 Riverside Colorado Desert, Palm Springs 137 Comment
  RSA507495  Arthrocnemum subterminale L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside 1 mi E of of Perris. 427 Comment
  RSA0119962  Arundo donax Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9073 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCR274200  Asclepias albicans A. C. Sanders, Jim Malusa 2016-3-18 42385 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA401650B  Asclepias californica Gale Sphon 1959-5-2 326 Riverside Horsetheif Canyon, Elsinore Mountains. Comment
  UCR138826  Asclepias californica D. L. Banks 1997-2-23 1308 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
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Jan 9 2007
  UCR14773  Asclepias eriocarpa A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 604 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  RSA524469  Asclepias subulata Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4072 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  RSA8423  Asclepias subulata Roxana S. Ferris, Rimo Bacigalupi 1932-4-30 8247 Riverside In canyon between Shaver s Well and Mecca. Comment
  JEPS20775  Astragalus aridus Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13229 Riverside 2.4 mi s Rice (on road to Midland and Blythe); s of Rice Comment
  RSA0031015  Astragalus aridus Jim Andre 2013-3-27 24804 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  JOTR32189  Astragalus bernardinus Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  SD63728  Astragalus bicristatus Peta Mudie 1965-7-5 505 Riverside Southwest slope, north side of Santa Rosa Mountain above National Forest campground. Comment
  JEPS54581  Astragalus crotalariae W. L. Jepson 1927-4-14 11710 Riverside Oasis Sta. , Oasis Sta (Colorado Desert) Comment
  UCD104690  Astragalus crotalariae David S. Verity; Jane Turner, Francis M. Ball 1964-2-15 SK and F 1366 Riverside E side Salton Sea ca. 1 mile N of Imperial Co. line. Comment
  RSA800102  Astragalus didymocarpus var. dispermus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4771 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  RSA658920  Astragalus douglasii var. parishii Bob Rogers 1984-5-5 32 Riverside Collected along a trail bordering the west side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from hwy 74/hwy 243 jctn. 1524 Comment
  UCR95958  Astragalus douglasii var. parishii Scott D. White 1996-8-1 4422 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR78442  Astragalus gambelianus Scott D. White 1993-4-22 1236 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA415579  Astragalus lentiginosus N. C. Cooper 1949-4-8 3321 Riverside Blythe. 259 Comment
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Nov 20 2011
  SEINET7073296  Astragalus lentiginosus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  SEINET898139  Astragalus lentiginosus H. M. Hall 1905-1 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  CAS-BOT-BC187109  Astragalus lentiginosus var. borreganus Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  LA204996  Astragalus lentiginosus var. fremontii Carl Epling; March 1927 Riverside Whitewater Pass, near Palm Springs Comment
  JOTR16676  Astragalus lentiginosus var. variabilis Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ALONG ROADSIDE TO STUBBE SPRING 1310 Comment
  JEPS44369  Astragalus leucolobus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4256 Riverside just below Toro Peak ((i.e. s of the saddle e of the peak), Santa Rosa Mts., <ca. 20 mi due w of n end of Salton Sea>); Santa Rosa Mts., , s of saddle e of peak 2499 Comment
  CAS-BOT-BC192757  Astragalus palmeri S. B. Parish 1914-3-30 9096 Riverside San Felipe, Colado Desert Comment
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Aug 6 2019
  JEPS54839  Astragalus palmeri Marjorie D. Clary 1931-4-4 6 Riverside Devils Canyon Santa Rosa Mts., , Devils Canyon (Coachella Valley) Comment
  RSA552694  Astragalus pomonensis Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6702 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UC63670  Astragalus purshii var. tinctus H. M. Hall May 17 1901-Jun 1 1901 1899 Riverside Santa Rosa 2438 Comment
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Nov 1 2007
  RSA585621  Athysanus pusillus D. L. Banks, S. D. Boyd 1995-3-15 56 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Agua Tibia Mtn., Dorland Mtn. area. 744 Comment
  RSA23225  Atrichoseris platyphylla Ernest Braunton 1940-4-3 2017 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  UCR116935  Atriplex argentea A. C. Sanders, D. Malueg 2001-5-17 24359 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  PASA1844  Atriplex canescens R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  SD143554  Atriplex canescens R. D. Goeden, D. W. Ricker 1978-11-16 Riverside Coachella Valley: Indio, Monroe St. 6 Comment
  SD73400  Atriplex canescens K. R. Montgomery 1969-9-7 69 31 Riverside 1.5 mile east of Riverside Co. Highway 3 on Wilson Valley Road, 18 miles south of Hemet. Comment
  UC500784  Atriplex canescens Aven Nelson 1930-3-1 11152 Riverside Indio Comment
  CAS-BOT-BC170212  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5226 Riverside Mockingbird Canyon near Arlington Comment
  CAS-BOT-BC170216  Atriplex canescens subsp. canescens H. M. Hall 1901-6-1 2003 Riverside San Jacinto Valley Comment
  CAS-BOT-BC170229  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-10-31 325 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. 167 Comment
  CAS-BOT-BC540848  Atriplex canescens var. canescens Sarah J. De Groot; Duncan S. Bell 2015-9-21 7582 Riverside Santa Rosa Mountains SSW of Palm Desert. Near Potrero Spring near head of Potrero Canyon, W of Dunn Rd, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  POM202638  Atriplex canescens var. laciniata W. M. Ingram 1934-10 9 Riverside Caleb Comment
  UCR208451  Atriplex glauca R. E. Riefner Jr. 2005-12-30 05- 792 Riverside city of Riverside, Gramercy Place near La Sierra Ave 27 Comment
  HSC25954  Atriplex hymenelytra R. W. Spjut 1972-1-6 2110 Riverside Colorado Desert, 10 mi. N of Desert Center, at Jct. Hwy. 10 to 29 Palms Hwy. Comment
  UCR148300  Atriplex hymenelytra 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
  UCSB23597  Atriplex hymenelytra Shaw, Merrilee 1964-4-5 Riverside State Highway 195, 7.3 miles NE of junction with State Highway 111 at Mecca 106 Comment
  POM248406  Atriplex lentiformis Philip Crow 1939-7-10 s.n. Riverside Blythe Comment
  UCR96800  Atriplex lentiformis G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, SE of Arnold Heights & east of Alessandro Blvd. 466 Comment
  SBBG72554  Atriplex lentiformis subsp. breweri M. D. Clary -Oct-1929 423 Riverside Coachella Valley -13 Comment
  UCR14450  Atriplex parishii O. F. Clarke, Jeanine Derby 1974-6-19 s.n. Riverside Perris-Aguanga Basin Region, [San Jacinto River] south of Ramona Expressway, 1/2 mile NW of Lakeview 432 Comment
  UCR24187  Atriplex parishii John C. Roos 1937-8-17 1214 Riverside 5 mi west of Hemet [Hwy 74 near Homeland] Comment
  JEPS59643  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca Salton Basin, Mecca -57 Comment
  RSA1393  Atriplex polycarpa B. D. Stark 1930-4-2 783 Riverside Indio, sea level 0 Comment
  RSA346270  Avena barbata R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54036 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  GMDRC4943  Avena fatua J. Andre 2011-2-18 15820 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  RSA613473  Avena fatua D. L. Banks, Victor Steinmann 1997-3-13 1448 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
  CAS-BOT-BC213222  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside Andreas Canyon, about 50 feet above stream bed. 762 Comment
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  RSA209596  Ayenia compacta Richard A. weaver 1970-1-14 s.n. Riverside Chuchwalla Mts. (west portion of range). Gravelly canyon bottom. Eaten by mammals. Comment
  RSA730043  Baccharis brachyphylla R. F. Thorne 1966-10-15 41800 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UC774846  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11436 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  RSA575918  Baccharis emoryi Steve Boyd 1994-10-14 8377 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  RSA0014780  Baccharis glutinosa Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 304 Comment
  POM318591  Baccharis salicifolia Patricia Wilder 1971-2-4 4920 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  POM319652  Baccharis salicifolia Patricia Wilder 1970-10-30 4826 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  UCR241253  Baccharis salicifolia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1205 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UC63377  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1828 Riverside near Palm Canon; Riverside, Santa Rosa Peak, Palomar 914 Comment
  JOTR36095  Baccharis sergiloides La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3373 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  RSA296132  Baccharis sergiloides B. A. Prigge 1980-8-5 3847 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  POM172024  Bahiopsis parishii Philip A. Munz 1930-5-1 11924 Riverside One mile east of Cabazon Comment
  POM8369  Baileya pauciradiata Mary F. Spencer 1920-3-12 216 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA21759  Baileya pauciradiata C. B. Wolf 1937-4-6 8431 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
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Sep 23 2011
  UC893813  Baileya pauciradiata unknown 1932-3-26 Riverside Coachella Comment
  CAS-BOT-BC106608  Baileya pleniradiata K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd. ca. 20 mi. W. of Blythe 152 Comment
  POM350685  Baileya pleniradiata N. C. Cooper 1949-4-9 3326 Riverside Blythe. 81 Comment
  RSA571292  Barbarea orthoceras Steve Boyd, D. L. Banks 1994-4-5 8272 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  CLARK-A1528-1648  Bebbia juncea John C. Roos 1995-6-19 Riverside Santa Ana Mountains Comment
  NY43490  Bebbia juncea C. R. Annable 1995-3-11 2266 Riverside Rest stop on I-10 Comment
  CAS-BOT-BC100118  Bebbia juncea var. aspera Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13263 Riverside Divide betw. Little Maria and Big Maria Mts., 1/2 mi. S of Styx siding near Midland (Rice-Blythe road) Comment
  CAS-BOT-BC100130  Bebbia juncea var. aspera I. Johnston 1917-6-5 1239 Riverside Hills south of Arlington 365 Comment
  LA203073  Bebbia juncea var. aspera Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  SDSU6472  Bebbia juncea var. aspera H. Wedberg 1962-7-28 983 Riverside About 7 miles from Hemet on the road to Moutain Center, in wash opposite the 2000' sign. Comment
  UC1119037  Bebbia juncea var. aspera H. S. Yates 1936-4-7 5433 Riverside Thousand Palms, Thermal Thermal, Thousand Palms 304 Comment
  UC1334660  Bebbia juncea var. aspera Nancy Ryan Zabriskie 1968-10-11 167 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  CSUSB1  Beloperone californica Frank Aubrey 1959-2-2 S.N. Riverside Palm Desert 0.2 miles east of junction of Deep Canyon Road with Portala Ave. 2.2 miles south of junction of Portala Ave. and State Highway 111 in Palm Desert, Riverside County, Ca. In middle of creek bed where road crosses it. 213 Comment
  RSA0120035  Beloperone californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  UCR153471  Berberis dictyota Chris E. True 2004-9-20 s.n. Riverside Santa Ana Mtns., Bedford Road c. 0.5 mi. NE of Main Divide Truck Trail, N of the head of Brown Canyon 1022 Comment
  UCR77573  Bergia texana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6347 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA276745  Bernardia incana John F. Emmel 1978-2-27 589 Riverside Eagle Mountains; canyon 0.4 air mile due South of Conejo Well. 1067 Comment
  RSA795476  Bernardia incana C. P. Cowan 1978-4-23 1221 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220. 950 Comment
  UC868545  Bernardia incana C. L. Hitchcock 1940-4-5 5967 Riverside 1/2 mi. above Cottonwood Springs (in canyon above Spring) Comment
  HSC47414  Bernardia myricifolia R. W. Spjut, C. E. Edson 1978-5-5 5020 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. Comment
  CLARK-A1528-171  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  RSA700859  Bloomeria crocea Michael Wall 1996-6-27 164 Riverside Cherry Valley N of Beaumont, Oak Glen rd, 2.6 mi N of Cherry Valley Blvd on steep E slope bordering Little San Gorgonio Cyn. Comment
  RSA482681  Boechera californica R. S. Woglum 1941-6-12 3059 -A Riverside Idyllwild Comment
  CAS-BOT-BC13901  Boechera johnstonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside West slope of Mount San Jacinto. Comment
  CAS-BOT-BC28039  Boechera xylopoda Ynez Whilton Winblad 1937-4-23 s.n. Riverside Mount San Jacinto. Pines to Palms Highway. Comment
  JOTR30986  Boechera xylopoda La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1964 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  UCR167837  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  RSA608163  Boerhavia coulteri Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 A Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR19110  Boerhavia intermedia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  SD255218  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  UCR274420  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside southwestern section of Orocopia Mountains, c. 3.6 air miles north-northeast of Dos Plmas 404 Comment
  RSA575738  Bouteloua aristidoides S. J. Darbyshire, J. Cayouette 1994-9-17 4637 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  POM192675  Bouteloua barbata Marcus E. Jones 1929-9-16 24716 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR2190  Bouteloua barbata F. M. Reed 1934-9-26 8959 Riverside San Jacinto Mtns., Herkey Creek camp 1341 Comment
  SEINET10519902  Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 Holmgren 6490 Riverside Palen valley, 15 mi ne of desert center. T3s, r16e, sec 25, locally common in Gullies. Plants dark violet. 183 Comment
  POM13714  Bowlesia incana P. A. Munz 1922-4-29 5119 Riverside Lancaster Valley 396 Comment
  JOTR35014  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  UCR112112  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2000-4-21 23344 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  UCR244310  Brandegea bigelovii Jim Andre 2012-4-15 20850 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  CAS-BOT-BC29979  Brassica fruticulosa A. C. Sanders; Oscar F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside. At the end of the dirt road in Two Trees Canyon. Comment
  RSA0066317  Brassica nigra Steve Boyd, Timothy S. Ross 1990-5-11 4608 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  CAS-BOT-BC36843  Brassica tournefortii J. Beley 1974-2-22 0462 Riverside 2 miles east of Cabazon. Comment
  RSA0102675  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA770308  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4495 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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Mar 7 2013
  UCR239805  Brassica tournefortii O. F. Clarke 2004-2-25 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, Two Trees Canyon 412 Comment
  UCR251653  Brassica tournefortii Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 984 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  JOTR16568  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECTS 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  CAS-BOT-BC106179  Brickellia desertorum S. B. Parish 1913-2-8 8432 Riverside Base of mountains southw of Travertine Rock - Salton Basin 30 Comment
  CAS-BOT-BC106189  Brickellia desertorum John C. Roos 1950-10-15 5009 Riverside Dry Morongo Canyon about 1 mile south of Riverside-San Bernardiino County line. 609 Comment
  CLARK-A1528-5454  Brickellia desertorum John C. Roos, Lucille Roos 1950-9-30 4996 Riverside Riverside 396 Comment
  LA210524  Brickellia desertorum John C. Roos; Lucille Roos 1950-9-30 4995 Riverside rocky hills midway between Steele Park and Elsinore, about 3 mi N of Elsinore 487 Comment
  POM212005  Brickellia desertorum C. B. Wolf 1931-10-14 1330 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  CDA10550  Brickellia incana G. D. Barbe, J. L. Johnson 1982-11-2 4028 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  OBI38270  Brickellia incana David J. Keil 1985-8-30 18951 Riverside Along road through Joshua Tree Natl Monument, 5 mi N of I-1 Comment
  UCR218074  Brodiaea santarosae Steve Boyd 2010-5-26 12277 Riverside Santa Ana Mountains, Elsinore Peak, south slope, just north of trail along ''old Main Divide Road'' and east of road up to communications towers 1037 Comment
  SD162833  Bromus arizonicus O. F. Clarke 1973-3-21 1999 Riverside O. F. Clarke residense, 1012 Spruce Street. Comment
  POM12134  Bromus berteroanus Mary F. Spencer 1920-4-5 1545 Riverside Palm Springs, Colorado Desert. 122 Comment
  SEINET3921841  Bromus carinatus Elizabeth Neese 1979-4-11 7104 Riverside Road jct halfway between Blythe & Rice.; 0 Comment
  RSA741161  Bromus diandrus Scott D. White, Justin M. Wood 2008-5-15 11997 Riverside Johnson Meadow. 1415 Comment
  SEINET244863 Image available Bromus diandrus A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24919 Riverside Hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR90825  Bromus diandrus A. C. Sanders, G. K. Helmkamp 1996-3-17 17988 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  RSA598036  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mountains: Tahquitz Valley. 2439 Comment
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Jun 3 2008
  CLARK-A1528-4553  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  CSUSB434  Bromus rubens Leland E. Francois 1966-3-8 3866 2 Riverside City of Riverside. Southwest corner of U.S. Salinity Laboratory. Property on corner of 14th Street and Palm Ave. 289 Comment
  RSA0034583  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA772964  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4773 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET3428722  Bromus tectorum V. Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains Comment
  UCR199557  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  JOTR28872  Caesalpinia virgata La Doux, Tasha, Bill Truesdell 2004-3-17 1107 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA768416  Caesalpinia virgata Jim Andre, Tasha La Doux 2009-2-28 10842 Riverside Coachella Valley: Along lower Berdoo Canyon Road (dirt), approx. 1.5 miles north of Dillon Road, and just south of Joshua Tree National Park boundary. 313 Comment
  UCR198193  Caesalpinia virgata Michael Honer, L. Hulse 2004-4-3 1918 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR37701  Calandrinia ambigua Robert McKernan 1985-3-26 s.n. Riverside Sonoran (Colorado) Desert, 6 mi north of Desert Center off Hwy 177 Comment
  UCR136263  Calandrinia ciliata A. C. Sanders 2004-4-20 27566 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR16506  Calandrinia ciliata Karen Cook 1966-3-17 s.n. Riverside 100 yd east of north-south railroad tracks on corner of Tanescalst and Compton Ave., Corona 274 Comment
  CDA2648  Callisia repens A. C. Sanders 2001-11-2 24886 Riverside San Bernardino Valley Region; Riverside, yard of house at 422 Campus View Dr. Comment
  UCR43790  Callitriche heterophylla subsp. bolanderi R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60638 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  UCR266786  Callitriche marginata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 07 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  POM19841  Calocedrus decurrens Mary F. Spencer 1923-8-17 2247 Riverside Fern Valley, Idyllwild. San Jacinto Mt. 1646 Comment
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Nov 19 2011
  UC1200604  Calocedrus decurrens Peter Kamb 1945-2-18 23 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR35291  Calochortus concolor L. B. Ziegler 1969-7-3 382 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  RSA784189  Calochortus nuttallii J. D. Olmsted 1959-7-1 700 Riverside Willow-Tahquitz Creek. Wellmans Cienega between saddle and San Jacinto Peak along trail 5 mi NE of Idyllwild. 2805 Comment
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Oct 18 2012
  RSA369043  Calochortus palmeri var. munzii N. C. Cooper 1944-5-20 1262 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  UCR35292  Calochortus palmeri var. munzii L. B. Ziegler 1969-7-1 387 Riverside San Jacinto Mtns, Meadows of May Valley, Upper Herkey Creek 1616 Comment
  CHSC2241  Calochortus splendens V. Holt 1957-4-29 Riverside Near Hemet. 304 Comment
  CHSC2242  Calochortus splendens E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  UCR297  Calochortus splendens Frank C. Vasek 1955-5-14 228 Riverside Peninsular Range, [Wolf Valley], 8 miles north of Pala on S16 366 Comment
  UC1929849  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA472429  Calycoseris wrightii M. B. Dunkle 1932-3-26 2948 Riverside 4 miles south [east] of Banning 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
  UCR178002  Calyptridium monandrum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA192219  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1965-4-4 5625 Riverside 8 miles W of Murrieta - Tenaja Range Comment
  RSA465912  Camissonia bistorta Robert L. Rutherford 1652 Riverside Banning, Big Oaks Canyon 1220 Comment
  RSA465919  Camissonia bistorta N. C. Cooper 1947-4-5 2097 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA465922  Camissonia bistorta D. A. Young 1968-3-28 P 331 Riverside At end of Hayfield Road, South of Interstate 10. Creosote scrub. 305 Comment
  RSA465929  Camissonia bistorta Ora M. Clark 1959-4-6 1959 Riverside S. Hemet, sandy hillsides. Comment
  UCR250364  Camissonia bistorta A. C. Sanders 2014-4-9 40994 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  RSA485833  Camissonia boothii T. S. Elias 1988-2-26 10683 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  RSA175081  Camissonia boothii subsp. condensata Robert F. Thorne 1963-3-29 32426 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA134156  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11477 Riverside Colorado Desert. With parents on alluvial flats, Box Canyon, 5.5 miles SE of Painted Canyon turnoff. Comment
  UC874020  Camissonia campestris subsp. campestris Marcus E. Jones, A. M. 1882-4-24 3168 Riverside San Jacinto Comment
  UCR202043  Camissonia cardiophylla Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  JOTR33804  Camissonia claviformis subsp. aurantiaca La Doux, Tasha, B. Truesdell 2007-11-9 3302 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash along Route 11 where the wash crosses the road (STOP 1) 532 Comment
  RSA449181  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  RSA778138  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-2 16211 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR103548  Camissonia claviformis subsp. aurantiaca George K. Helmkamp, E. A. Helmkamp 1998-1-17 2531 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR22125  Camissonia graciliflora Steve Boyd 1980-5-17 288 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  CLARK-A1528-2660  Camissonia hirtella John C. Roos 1937-5-10 2187 Riverside Elsinore Comment
  RSA614393  Camissonia hirtella D. L. Banks, Victor W. Steinmann 1997-3-13 1527 B Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA676129  Camissonia hirtella Scott D. White 2001-4-13 8328 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  POM9306  Camissonia ignota P. A. Munz, R. D. Harwood 1920-3-20 3373 Riverside 5 miles S of Corona 305 Comment
  SEINET12189028  Camissonia pallida E. A. Purer 1935-1 6484 Riverside near Palm Springs Comment
  HSC79097  Camissonia pallida subsp. hallii James Henrickson 1973-3-18 8598 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  UCR175185  Camissonia pallida subsp. hallii Jim Andre 2006-4-26 6753 Riverside South Mojave Desert, Joshua Tree National Park: c. 5 mi NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1321 Comment
  JOTR28815  Camissonia pallida subsp. pallida La Doux, Tasha 2005-3-1 1083 Riverside Joshua Tree National Park. Sand Hills Comment
  POM212495  Camissonia pallida subsp. pallida E. A. Purer 1935-4-21 6484 Riverside Sandy area near Palm Springs Comment
  RSA186575  Camissonia pallida subsp. pallida Peter H. Raven 1962-4-7 17116 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  RSA449239  Camissonia pallida subsp. pallida M. B. Dunkle 1932-3-25 2877 Riverside Cabazon. Comment
  POM159845  Camissonia refracta E. C. Jaeger 1928-3-24 s.n. Riverside Eagle Mts. Colo. Desert. Comment
  RSA75687  Camissonia refracta F. W. Peirson 1926-1-31 6492 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  UC1595702  Camissonia refracta W. Wisura, J. Dolan, and M. Wall 1992-3-24 4634 Riverside on Box Canyon Rd 13.1 mi ne Mecca; Lowdesert Comment
  UCR196374  Camissonia refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR216223  Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA564048  Camissonia strigulosa A. C. Sanders 1993-5-17 14064 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 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
  UCR166101  Camissoniopsis A. C. Sanders 1994-5-29 14556 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  OBI29873  Camissoniopsis bistorta Melissa Luckow, Rhonda Riggins 1982-4-15 828 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UC20636  Camissoniopsis ignota unknown 1861-2-1 151 Riverside Temescal Mountains Comment
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Jul 4 2010
  UC69876  Camissoniopsis intermedia Mrs. C. M. Wilder 91 Riverside West Riverside Jurupa Hills Comment
  UC1537608  Camissoniopsis micrantha Gordon H. True Jr. 1935-2-26 20 Riverside Mockingbird Canyon 457 Comment
  PASA395  Capsella elliptica Frank W. Peirson 1921-4-11 Riverside Murray Canyon, Palm Springs Region Comment
  RSA613141  Cardamine hirsuta D. L. Banks 1997-3-6 1411 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA526160  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 4663 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA682365  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UCR18399  Carex multicaulis A. C. Sanders 1978-5-13 00836 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1677 Comment
  UC837261  Carex nebrascensis P. A. Munz 1922-7-7 6047 Riverside Round Valley San Jacinto Mts. 2743 Comment
  SEINET4557247  Carex praegracilis D. E. Bramlet, P. Jacks, S. Goode 1989-1 1796 Riverside Perris-Aguanga Basin Region: Shipley Multi-species Reserve. Blue-line stream on the eastern flank of Bachelor Mtn., 700 ft north of the existing access road & 3,600 ft. W of Rawson Canyon.(Bachelor Mountain 7.5') 469 Comment
  POM219104  Carex subfusca Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  UC1219  Carex subfusca H. M. Hall July, 1901 2416 Riverside near summit San Jacinto Mountains 3291 Comment
  UCSB37818  Carthamus tinctorius Oscar F. Clarke 1968-12-16 Riverside collected in University of California Riverside Greenhouse Comment
  RSA703538  Carthamus tinctorius R. E. Riefner Jr. 2004-4-27 04 -144 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  RSA0111976  Castela emoryi Duncan S. Bell, Amanda Bell 2012-1-28 3062 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UCR116772  Castilleja affinis A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  JEPS26101  Castilleja angustifolia Peter H. Raven 1958-5-5 12893 Riverside Split Rock Joshua Tree National Monument Comment
  RSA773593  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-14 1305 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA0010934  Castilleja exserta subsp. exserta Tamara Joy Hanna 1991-5-19 44 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  UC1951109  Castilleja foliolosa Scott D. White, Justin Wood 2009-5-22 12918 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  UCSB39073  Castilleja foliolosa Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway; Palm Springs 120 Comment
  RSA0010953  Castilleja miniata subsp. miniata P. A. Munz, I. M. Johnston 1924-7-28 8804 Riverside Pine Flats 1738 Comment
  RSA0010915  Castilleja minor subsp. spiralis Philip A. Munz 1922-6-23 5767 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  RSA531097  Caulanthus cooperi M. B. Dunkle 1937-3-25 4902 Riverside Colorado Desert. Shaver s Well Comment
  UCR62325  Caulanthus hallii Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  OBI29869  Caulanthus heterophyllus Melissa Luckow, Rhonda Riggins 1982-4-15 832 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UC1608299  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6749 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr in N-fork Bear Creek (San Mateo Cyn Wilderness Area); Santa Ana Mountains, San Mateo Cyn Wilderness Area 670 Comment
  UC50338  Caulanthus heterophyllus H. M. Hall Apr 1903 3848 Riverside vicinity Riverside; vicinity of Riverside 762 Comment
  UCD114540  Caulanthus heterophyllus D. E. Bramlet 1991-5-14 2150 Riverside Perris-Aquanga basin region: North Domenigoni Hills, ca. 0.5 miles SE of end of Warren Road, on large, prominent peak adjacent to old quarry, E of access road. 655 Comment
  UCR117071  Caulanthus heterophyllus A. C. Sanders, Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR60251  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3165 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCR196368  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA562428  Caulanthus lasiophyllus var. rigidus D. Bramlet 1993-4-13 2323 a Riverside Approxiamtely 61m S of the existing Lake Mathews access road, some 549m N of Cajalco road, in the Cajalco bend area. The site is 1.2km W of Lake Mathews Drive. Comment
  OBI20188  Ceanothus crassifolius David J. Keil, Malcolm McLeod 1979-3-18 12975 Riverside 1/2 m W of jctn with Riverside cnty rd R-3 along Calif 79 549 Comment
  POM12069  Ceanothus crassifolius Mary F. Spencer 1921-4-19 760 Riverside Banning. Comment
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Mar 13 2011
  RSA398876  Ceanothus crassifolius Gale Sphon 1955-3-5 s.n. Riverside Elsinore Mountains, Horsethief Canyon, along sunny side of road Comment
  RSA606761  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27423 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SEINET10824794  Ceanothus crassifolius Nye Leith, Greg Gust 2005-3-11 Nye 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR132233  Ceanothus crassifolius A. C. Sanders, T. B. Salvato 2004-2-16 27395 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  RSA510026  Ceanothus crassifolius B. Pitzer, E. Misquez 1988-2-28 619 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UC870524  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6733 Riverside e of Hemet 560 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
  UC489159  Ceanothus integerrimus C. V. Meyer June 1927 178 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC51281  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore Comment
  RSA528112  Ceanothus leucodermis Steve Myers 1991-4-16 91 -28 Riverside City of Bann ing, W of Fields Rd, N of Interstate 10 and S of the Morongo Indian Reservation. 671 Comment
  UCD112250  Ceanothus leucodermis Maureen H. Pendleton 1988-2-1 s.n. Riverside Ca. 2 1/2 mi. S of Temecula between I-215 and Rainbow Canyon Road. 411 Comment
  RSA160404  Ceanothus oliganthus J. D. Olmsted 1959-4-17 410 Riverside Skyline Drive 8 mi. SW of Corona. 793 Comment
  SD186315  Ceanothus oliganthus var. sorediatus Andy C. Sanders, M. Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA569996  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7911 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA755792  Ceanothus ophiochilus Dylan O. Burge 2007-3-20 DOB 800 c Riverside Agua Tibia Wilderness Area, Cleveland National Forest. 0.66 road miles from Woodchuck Road on abandoned fire road, accessed via Woodchuck Road, parking 0.93 road miles from Highway 79., Site is 12.8 km 274 degrees true west-northwest of Aguanga. 660 Comment
  UCR68478  Ceanothus ophiochilus Steve Boyd, L. Arnseth, T. S. Ross 1989-3-31 3098 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  POM254873  Ceanothus palmeri W. Pequegnat 1940-5-17 s.n. Riverside Main Divide Rd. 1311 Comment
  SBBG26782  Ceanothus palmeri C. B. Wolf 1941-8-12 4425 Riverside Keen Camp Summit, between Keen Camp Post Office and Hemet Valley 1493 Comment
  UCR138758  Ceanothus palmeri Scott D. White 1997-5-18 5176 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA0022328  Ceanothus perplexans A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24949 Riverside The Badland: hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCD112522  Ceanothus perplexans Sally Bonnett 1973-4-21 040 Riverside At junction of St. Pierre Road and Palm Canyon Drive, 1.4 mile from Highway 74, near Pinon Flats, between San Jacinto and Santa Rosa Mountains. Comment
  UCR4118  Ceanothus perplexans Ronald M. Cope 1965-3-20 s.n. Riverside Peninsular Range; San Jacinto Mtns., in valley on road from Idyllwild to Banning, 5 mi below Lake Fulmor 1296 Comment
  UCR37746  Ceanothus tomentosus N. M. Fellows 1985-3-12 s.n. Riverside Riverside, University of California, Riverside, Botanic Garden 400 Comment
  POM6883  Ceanothus tomentosus var. olivaceus P. A. Munz, L. T. Street, G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  UCR170097  Cenchrus ciliaris John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  CAS-BOT-BC277185  Centaurea X pouzinii F. Willmarth 1961-10-18 s.n. Riverside Old Fuller Rancho, near Corona Comment
  RSA519241  Centaurea melitensis Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA391516  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside San Juan Canyon. 762 Comment
  RSA554092  Centaurium venustum R. Montijo 1991-7-10 91 -19 Riverside Santa Rosa Plateau, Avenida Escalera, N of Tenaja Road and ca. 1 mile NE of Squaw Mountain. 610 Comment
  UCR21550  Centaurium venustum W. W. Mayhew 1980-7-18 s.n. Riverside Santa Rosa Mtns., 1 mi. south of Hwy 74 on the road to Santa Rosa Peak. 1585 Comment
  SD262184  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 18 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  JEPS57812  Centrostegia thurberi var. thurberi W. L. Jepson 1901-5-25 1432 A Riverside Coyote Canyon near Van Deventer's Ranch, from Riverside to Santa Rosa Peak and Palomar Coyote Canyon Comment
  JEPS57819  Centrostegia thurberi var. thurberi W. L. Jepson 1928-4-25 12598 Riverside below Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 731 Comment
  UCD98025  Cerastium glomeratum L. G. Benedict 1929-5-6 s.n. Riverside San Jacinto. Comment
  UCR158265  Cerastium glomeratum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30112 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
  RSA652884  Cercidium floridum John Wallace 1991-5-18 29 Riverside Colorado River. Approximately one half mile south of Collis Mayflower County Park. Comment
  UCR65288  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3882 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  SEINET3077117 Image available Cercocarpus montanus var. glaber P. Leary 1975-5-11 1181 Riverside 0.5 miles north of Quail Mountain, Joshua Tree National Monument. 1494 Comment
  POM265788  Chaenactis artemisiifolia J. C. Roos 1937-5-10 2070 Riverside South of Lake Elsinore Comment
  POM6069  Chaenactis artemisiifolia Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
Read comments
Nov 20 2011
  RSA523316  Chaenactis artemisiifolia G. H. True 1935-4-18 229 Riverside Mockingbird Canyon 457 Comment
  SD130353  Chaenactis artemisiifolia Ed LaRue 1990-4-13 Riverside I(c) mile northwest of Aguanga, north of Highway 79 and west of Highway 371; 1I(c) miles north of SanDiego County line. 640 Comment
  UCR47218  Chaenactis artemisiifolia B. G. Pitzer, L. F. LaPre 1987-3-2 425 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
  RSA0107467  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2009-3-29 157 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA676119  Chaenactis carphoclinia Scott D. White 2001-4-3 8221 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA761043  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 154 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  JEPS23578  Chaenactis fremontii P. H. Raven 1958-3-16 11861 A Riverside Smoketree Wash; Joshua Tree National Monument Comment
  POM351695  Chaenactis fremontii N. C. Cooper 1944-4-23 1122 Riverside Banning 701 Comment
  UCR133955  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 MOR- 960 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR260837  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41516 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  UCR123233  Chaenactis glabriuscula S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCSB69915  Chaenactis glabriuscula Cowan, Clark 1978-4-24 Riverside 2.1 mi. (3.3 km.) off Ave. 66 on a dirt road, 1.3 mi. (2 km.) on Ave. 66 from Hwy. 86; Lake Cahuilla Comment
  RSA263714  Chaenactis glabriuscula var. glabriuscula George E. Johnston, E. W. Lathrop 1975-6-13 s.n. Riverside 5 miles W Murrieta, Los Gatos Road, S slope of Mesa de colorado Comment
  RSA495451  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2979 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
Read comments
Oct 4 2007
  SBBG65591  Chaenactis parishii V. Duran 1933-7-1 3492 Riverside near Santa Rosa 1828 Comment
  JOTR16574  Chaenactis stevioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. UPPER WILSON CANYON 975 Comment
  RSA234107  Chaenactis stevioides var. brachypappa R. F. Thorne, R. Carolin 1967-3-21 41637 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA432408  Chamaesyce Robert L. Dressler 1949-3-19 367 Riverside Box Canyon, Orocopia Mts. Comment
  UC868576  Chamaesyce Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  SEINET3365545  Chamaesyce abramsiana G. Rink 2011-10-6 11078 Riverside East of the McCoy Mountains, northwest of Blythe, in a swale that sometimes holds water 150 Comment
  RSA792552  Chamaesyce polycarpa Duncan S. Bell 2012-9-13 4179 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
  POM282536  Chamaesyce polycarpa var. hirtella N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Box canon [canyon]. Comment
  RSA614604  Chamaesyce polycarpa var. polycarpa A. C. Sanders 1994-1-30 14224 Riverside Box Springs mountains, E-facing open slope at the head of big Springs Canyon, in saddle SE of peak 2602. 762 Comment
  CAS-BOT-BC70035  Cheilanthes covillei Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colo. Desert Comment
  UC729539  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside 1/2 mi below fish hatchery Snow Creek Canyon; N Base San Jacinto Mts 548 Comment
  UCR121309  Cheilanthes covillei A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25011 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  SEINET272413 Image available Cheilanthes newberryi A. C. Sanders, G Helmkamp 1997-3-15 19917 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 567 Comment
  CAS-BOT-BC68098  Cheilanthes parryi Lewis S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash 182 Comment
  RSA23175  Cheilanthes parryi I. L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon 3-5 miles south of Palm Springs Comment
  UC42427  Cheilanthes viscida S. B. Parish and W. F. Parish Jan. 1880 Riverside n of Palm Springs (Whitewater Canyon) Comment
  RSA741602  Chenopodium Justin M. Wood 2008-9-22 160 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC7267  Chenopodium H. M. Hall July 1901 Riverside Fullers Mill Comment
  UCR115925  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Riverside, 'Jilberto's Mexican Restaurant', c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  SD146317  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside; railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding. 334 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
  UCR22021  Chenopodium ambrosioides Steve Boyd 1980-9-12 348 Riverside Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau. Comment
  SDSU13670A  Chenopodium berlandieri var. sinuatum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR120899  Chenopodium californicum A. C. Sanders, D. Malueg 2002-4-8 24911 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SD234929  Chenopodium desiccatum Mitch Provance 2003-6-7 7610 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR265473  Chenopodium fremontii Jordan Zylstra 2014-8-17 14023 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  RSA788562  Chenopodium murale Duncan S. Bell 2012-3-8 3142 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UCR230934  Chenopodium murale T. B. Salvato, Richard Camacho 2011-6-12 5475 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  SEINET8733767 Image available Chilopsis linearis James W. Hardin 1969-1 13284 Riverside Desert, just ne. of Palm Springs. 4 Comment
  JEPS21143  Chilopsis linearis subsp. arcuata H. M. Hall June, 1901 2112 Riverside e. base San Jacinto Mts. Colorado Desert, e. base San Jacinto Mts. Comment
  RSA33620  Chilopsis linearis subsp. arcuata N. C. Cooper 1944-7-15 1548 Riverside Palm Springs. 122 Comment
  UCR148337  Chorizanthe brevicornu John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR72194  Chorizanthe brevicornu Theo Glenn 1991-5-20 91- 104 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  CAS-BOT-BC191704  Chorizanthe brevicornu var. brevicornu E. E. Schellenger 1911-4-24 s.n. Riverside S of Palms Springs. Colorado Desert Comment
  POM128750  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside Painted Canyon. Comment
  RSA0120321  Chorizanthe corrugata Duncan S. Bell 2016-3-13 8923 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA517910  Chorizanthe corrugata Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1315 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  CAS-BOT-BC191852  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside 20 miles N of Ogilby, along rd. to Blythe Comment
  UC597640  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside at head Coyote Canyon (below Anza Tablet, sw Riverside County); head Coyote Canyon below Anza Tablet 1005 Comment
  JEPS57784  Chorizanthe parryi var. parryi W. L. Jepson 1914-5-25 6075 Riverside San Gorgonio Pass 548 Comment
  UC55752  Chorizanthe parryi var. parryi H. M. Hall May, 1901 Riverside West Riverside Comment
  UC72681  Chorizanthe parryi var. parryi Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR174176  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32575 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
  UCR21954  Chorizanthe parryi var. parryi Steve Boyd 1980-5-11 231 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA407725  Chorizanthe polygonoides var. longispina Steve D. Boyd 1986-5-1 1788 Riverside South Western Perris Basin: Hill W of Skunk Hollow. Comment
  UCR151369  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10408 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South 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
  UCR155809  Chorizanthe polygonoides var. longispina Chris E. True 2005-4-25 s.n. Riverside Temecula Region, summit of Oak Mountain, north of Vail Lake 823 Comment
  UCR78441  Chorizanthe polygonoides var. longispina Scott D. White 1993-4-20 1207 Riverside Estelle Peak, Gavilan Hills 826 Comment
  UCR92632  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 B Riverside Perris-Aguanga Basin, Shipley Multi-species Reserve, SW of Tucalota Creek 488 Comment
  RSA392785  Chorizanthe procumbens J. Olmstead 1962-5-10 3638 Riverside Potrero country along S Divide T.T. [South Main Divide Road], SE end of Santa Ana Mts., SSW of Lake Elsinore Comment
  RSA746814  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  POM14108  Chorizanthe rigida P. A. Munz, D. D. Keck 1922-4-9 4878 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  CAS-BOT-BC246331  Chorizanthe spinosa J. Von Loh 1978-7-11 60375 A Riverside Edward's Air Force Base 762 Comment
  CLARK-A1528-1768  Chrysopsis villosa John C. Roos 1965-9-16 Riverside Hemet Comment
  RSA732300  Chrysothamnus nauseosus M. D. Schwartz 2000-5-20 24 -2 Riverside San Jacinto Mts, jct of Two Pines Rd. and Rt 243 1200 Comment
  RSA770313  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4403 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  JOTR35077  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  SBBG60506  Chylismia cardiophylla subsp. cardiophylla S. W. Hutchinson -Feb-1926 752 Riverside entrance to Painted Cyn Comment
  SD16812  Chylismia cardiophylla subsp. cardiophylla Allen Keller 1937-3-13 Riverside Painted Canyon. Comment
  CAS-BOT-BC160588  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  CAS-BOT-BC160620  Chylismia claviformis subsp. aurantiaca Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  SBBG23065  Chylismia claviformis subsp. aurantiaca D. Myrick 1965-3-4 1079 Riverside Palms to Pines Hwy 74 609 Comment
  UC311293  Chylismia claviformis subsp. aurantiaca Philip A. Munz 1925-12-30 10822 Riverside Thousand Palms Comment
  RSA643272  Cirsium occidentale var. californicum R. D. Goeden, D. W. Ricker 1979-5-8 s.n. Riverside San Jacinto Mtns.: Bautista Creek Canyon, Bautista Rd. at Horse Creek crossing. 853 Comment
  RSA85521  Cirsium occidentale var. californicum J. C. Roos 1952-4-27 5586 Riverside San Timoteo Canyon south of Redlands. 427 Comment
  UC1535382  Cirsium occidentale var. californicum A. C. Sanders and B. Pitzer 1987-4-21 7048 Riverside near southernmost radio towers Box Springs Mountains; , Riverside East Quad. 792 Comment
  CAS-BOT-BC286457  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning) 1500 Comment
  SBBG133363  Cirsium scariosum var. citrinum S. D. White, J. M. Wood 2008-5-15 11975 Riverside Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom, San Jacinto Mtns 1357 Comment
  RSA776190  Cistanthe ambigua Amber Swanson, Duncan S. Bell 2011-3-10 207 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  RSA772844  Cistanthe monandra Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4847 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
  RSA791720  Clarkia Robert F. Thorne, Walter Wisura, David Mitchener 1982-05 55196 Riverside Cleveland National Forest: Along Ortega Hwy. 732 Comment
  POM153234  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside Santa Ana canyon, 8 miles west of Prado. 400 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
  UC1979621  Clarkia similis D. L Banks, Steve Boyd 1995-5-3 0185 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
  UCR251877  Clarkia unguiculata Victoria M. Woods, David G. Cook 2014-4-5 03 Riverside Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, northern Claremont 1043 Comment
  UCR230190  Claytonia parviflora A. C. Sanders 2011-4-6 38977 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
  UC1537252  Claytonia perfoliata subsp. mexicana Gordon H. True Jr. 1935-3-1 36 Riverside Gavilan Hills 548 Comment
  UCR121661  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20022 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR133404  Clematis lasiantha Tracy Tennant, J. S. Ross 1998-5-7 MOR- 85 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA386286  Clematis pauciflora Ora M. Clark 1929-4-6 1940 Riverside S San Jacinto. Comment
  SD129279  Clematis pauciflora Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diego County line). 366 Comment
  POM180019  Cleome isomeris M. French Gilman 1931-3-15 5 Riverside Cabazon. Comment
  RSA248043  Cleome isomeris R. F. Thorne, C. W. Tilforth 1973-5-30 43581 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  UC597598  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside n Vandeventer Flat; Santa Rosa Mtns 1676 Comment
  SBBG93117  Collinsia heterophylla R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  UCR16022  Collinsia heterophylla Kirk Taylor 1976-5-23 760523 17 Riverside Peninsular Range; Santa Ana Mtns., Mesa de Colorado, 9 mi west of Murrieta on Tenaja Rd. 549 Comment
  RSA388506  Convolvulus simulans Steve Boyd 1986-5-1 1810 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA575928  Conyza bonariensis Steve Boyd, Darin L. Banks 1994-9-29 8368 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA702048  Conyza canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  POM48905  Cordylanthus nevinii Philip A. Munz, I. M. Johnston 1924-7-27 8755 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  RSA412303  Cordylanthus rigidus subsp. setiger M. M. Thompson 1947-8-21 C- 2059 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM356005  Coreopsis californica Ora M. Clark 1929-4-6 1943 Riverside South of Hemet. Comment
  RSA160875  Coreopsis californica Percy C. Everett 1962-4-13 24451 Riverside Temescal Canyon, Hwy 71, 0.5 miles S entrance to Glen Ivy. Comment
  RSA660640  Corethrogyne filaginifolia Starr Streight 1982-4-17 5 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA783051  Corethrogyne filaginifolia J. D. Olmsted 1959-8-18 795 Riverside By archery range at Desert Sun school near Idyllwild at border of P. pondorosa woodland 1646 Comment
  RSA596182  Corethrogyne filaginifolia var. filaginifolia D. L. Banks 1996-11-7 1208 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., 0.5 km W of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 426 Comment
  RSA413257  Corethrogyne filaginifolia var. virgata James C. Dice, J. D. Tenhunen 1987-9-9 723 Riverside Ca. 1.6 kilometers NNW of Royal Oak Ranch. 380 Comment
  SDSU21793  Crassula aquatica Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3979 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR187316  Crassula aquatica Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1776 Riverside Peninsular Ranges; San Jacinto Mountains region, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  UCR167077  Crassula connata Scott D. White 2005-3-29 10844 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR183023  Crassula connata Mitch Provance 2001-4-21 2976 D Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  POM13127  Cressa truxillensis P. A. Munz, I. M. Johnston, I. M. Munz 1922-5-18 5326 Riverside 3 miles south of Elsinore Comment
  RSA0116270  Cressa truxillensis Mitch Provance, Ken Halama 2003-6-15 17050 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA480584  Croton californicus Elbert Benjamine 1929-4-7 121 Riverside San Gorgonio Pass. Comment
  RSA697578  Croton californicus Wilma Griset 1931-3-29 s.n. Riverside Indio (Edon) Comment
  SEINET3089931 Image available Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad: Comment
  UC570802  Croton californicus Margaret Stason 1927-3-12 Riverside Thousand Palms Colorado Desert Comment
  UCR107880  Croton californicus B. G. Pitzer 1997-3-23 2995 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR156091  Croton californicus T. B. Salvato, Kent Beaman 2005-5-16 803 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
  UCR234806  Croton californicus Jim Andre, Glenn L. Clifton 2011-2-22 17471 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  UCR93092  Croton californicus Scott D. White 1995-12-24 3798 Riverside Lakeview Mtns., c. 5 road mi SE of Davis Road/Ramona Expressway intersection. 610 Comment
  RSA554222  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago., (Near 117 deg 9.1'W, 33 deg 33.25'N). 348 Comment
  RSA736303  Crypsis schoenoides Scott D. White, Justin M. Wood 2008-5-13 11950 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCR274292  Cryptantha T. B. Salvato, Gregg Miller 2005-6-7 1446 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  JEPS22569  Cryptantha angustifolia Rimo Bacigalupi with Paul Hutchison 1958-2-19 6200 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  JOTR28787  Cryptantha angustifolia La Doux, Tasha 2005-3-30 1056 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA778625  Cryptantha angustifolia Duncan S. Bell 2009-3-8 66 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SEINET3152143  Cryptantha angustifolia G. B. Grant 1906-5-1 239 -A Riverside Collected on Colorado desert at Palm Springs; Southern California Comment
  UCR33811  Cryptantha angustifolia Faulkner 1978-3-20 332 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  POM368288  Cryptantha barbigera Robert Gustafson 1983-3-27 2487 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA775914  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-10 816 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCD118999  Cryptantha barbigera G. K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve. 550 Comment
  UCR167235  Cryptantha barbigera var. fergusoniae John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR41269  Cryptantha barbigera var. fergusoniae B. G. Pitzer 1986-2-9 2 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  CAS-BOT-BC218863  Cryptantha costata Carl B. Wolf 1932-4-29 s.n. Riverside EASTERN COLORADO DESERT. 3 MI. SO. OF RICE ON BLYTHE ROAD. 213 Comment
  RSA79572  Cryptantha costata F. W. Peirson 1918-03 5798 Riverside Irrigated field near Indio. Comment
  UC1178553  Cryptantha decipiens Peter Kamb 1948-4-11 881 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  JOTR28952  Cryptantha dumetorum La Doux, Tasha 2005-3-30 1188 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UCR85239  Cryptantha dumetorum A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15999 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA650993  Cryptantha intermedia C. S. Papp 1964-5-3 455 Riverside Canyon Crest Hills, at Riverside. Comment
  RSA732137  Cryptantha intermedia J. Andre 2006-4-26 8151 Riverside Joshua Tree National Park: upper Long Canyon. 1056 Comment
  RSA773125  Cryptantha intermedia Duncan S. Bell, Joy England 2010-6-4 1260 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1430 Comment
  UCR107399  Cryptantha intermedia B. G. Pitzer 1997-3-23 2987 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR114821  Cryptantha intermedia Mitch Provance, Seychelle Provance 1998-2-17 91 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR47238  Cryptantha intermedia B. G. Pitzer, L. F. LaPre 1987-3-2 0430 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
  UCR92795  Cryptantha intermedia Scott D. White 1994-3-29 1939 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCSB5583  Cryptantha intermedia Gunnerson, Robert; G., D. 1953-3-22 Riverside At Devil's Garden Comment
  RSA0062497  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  SEINET10456345  Cryptantha maritima David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3738 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SDSU18693  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 56 Riverside Joshua Tree National Park. 0.80 miles along trail to Mastodon Peak, from Cottonwood Springs Campground when approachind Mastodon Peak from the North portion of the trail. 948 Comment
  UC1329936  Cryptantha micrantha James E. Cole 1941-6-15 905 Riverside Black Spring Wash Joshua Tree National Monument 1280 Comment
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Feb 24 2013
  UC489041  Cryptantha micrantha C. V. Meyer 1927-6-1 160 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  SEINET4558667  Cryptantha micrantha subsp. lepida Peter Kamb 1950-1 1908 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  RSA543953  Cryptantha micromeres Steve Boyd 1991-5-9 6185 a Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA583627  Cryptantha micromeres Steve Boyd, Darin Banks 1995-4-5 8434 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UC1535389  Cryptantha microstachys A. C. Sanders and B. Pitzer 1986-4-30 Riverside 1.3 mi above upper Bee Canyon mouth (at the San Jacinto River valley, along the road); San Jacinto Mountains, San Jacinto River Valley, Bee Canyon 670 Comment
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Sep 10 2011
  UCR172757  Cryptantha microstachys Abby Sirulnik, Ian G. Gillespie 2000-5-14 44 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR77591  Cryptantha microstachys Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6134 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  JEPS67712  Cryptantha muricata W. L. Jepson 1901-5-19 1299 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  RSA0018642  Cryptantha muricata C. P. Cowan 1978-4-24 1250 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  RSA771786  Cryptantha muricata var. jonesii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4702 -a 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 W116.65121 604 Comment
  RSA0079248  Cryptantha muricata var. jonesii Steve Boyd, Orlando Mistretta 1991-5-22 6295 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR140935  Cryptantha nevadensis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR72186  Cryptantha nevadensis Theo Glenn 1992-3-31 92- 5 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR52069  Cryptantha oxygona D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  RSA0124380  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-31 9196 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  SD248154  Cryptantha pterocarya var. stenoloba J. M. Andre 2013-3-27 24800 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  CLARK-A1045-302  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  POM259688  Cryptantha utahensis P. A. Munz 1940-3-23 15718 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA80960  Cryptantha utahensis G. R. Campbell 1952-4-6 18409 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 975 Comment
  SBBG53357  Cryptantha utahensis J. Zabriskie 1975-3-26 Riverside Santa Rosa Mtns Comment
  UC1122823  Cucurbita foetidissima A. Lewis May 1934 465 Riverside Temecula R. Elsinore Quad., Temecula R. 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
  SEINET3082972 Image available Cucurbita palmata J. Hogan 1974-6-13 18 Riverside Joshua Tree National Monument: 0.5 mile north of White Tank campground 1317 Comment
  POM296656  Cuscuta californica var. papillosa L. S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash. 183 Comment
  SEINET238804  Cuscuta pentagona Mitch Provance 2000-7-4 2105 Riverside Santa Ana River Wash between the Market St. and Riverside Avenue crossings. 244 Comment
  LA210107  Cuscuta subinclusa Louis C. Wheeler; 1933-12-1 2284 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  UC23252  Cuscuta subinclusa H. M. Hall 1901-8-6 Riverside s side San Jacinto Mountains 1356 Comment
  CLARK-A1528-410  Cycloloma atriplicifolium Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  RSA0080817  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17721 .1 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  SEINET5624465 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .5 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 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 498 Comment
  RSA314045  Cymbalaria muralis C. W. Tilforth 1982-12-4 2216 Riverside Mira Looma, California residence. Comment
  HSC100854  Cynodon dactylon J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-12 12751 Riverside Lawn at Casa del Diablo property. Comment
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Aug 16 2015
  UCR93073  Cyperus esculentus A. C. Sanders, S. Ogg 1994-7-28 15186 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  UCR176958  Cyperus involucratus D. L. Banks, E. H. Banks 1996-5-2 0949 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  RSA502523  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3578 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR85376  Cyperus niger A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11745 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  SEINET3909845  Cyperus odoratus John R. Crutchfield 1965-6-16 219 Riverside Lost Lake Resort, 14 miles south of Vidal.; 0 Comment
  CDA2606  Cyperus retrorsus S. Morgan 1994-9-13 Riverside On the UCR campus in the Botanic Garden, Riverside. 0 Comment
  UC489200  Cystopteris fragilis C. V. Meyer 1928-7-27 555 Riverside San Jacinto Peak 3291 Comment
  GMDRC9405  Dalea mollis J. M. Andre 2017-3-4 37170 Riverside along west side of US Hwy 95, 21.4 mi. south of Vidal Junction, just north of Big Maria Mountains 123 Comment
  RSA0122706  Dalea mollis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9058 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA675051  Dalea mollis Scott D. White, Bill La Haye 2001-4-28 8432 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  JOTR35380  Dalea mollissima Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 168 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA727004  Dasyochloa pulchella Naomi Fraga, Lisa Rojas 2005-2-10 1407 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SEINET259017  Dasypyrum villosum B. L. Johnson G 850 Riverside CULTIVATED; Grown at: University of California Los Angeles Comment
  UCR86200  Datura discolor A. C. Sanders 1995-5-23 17120 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  JOTR35024  Datura wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3107 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA504981  Datura wrightii D. Charlton 1988-2-25 1163 Riverside Box Canyon Wash between the Mecca Hills and Orocopia Mountains, 10 miles S of I-10 and N of Mecca and Salton Sea 305 Comment
  RSA588168  Datura wrightii D. L. Banks, Steve D. Boyd 1995-10-17 802 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  SD181705  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UCR224405  Deinandra paniculata Robt. L. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside Santa Ana Mountains, South Main Dived Road, 4.7 road miles southeast of the junction with Ortega Hwy (SR74), just south of the gated entrance to Rancho Capistrano housing developments 938 Comment
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Oct 4 2017
  UCR266425  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4402 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.5 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 495 Comment
  RSA550040  Delphinium parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4667 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  RSA0020487  Delphinium parishii subsp. parishii H. de Forest 1933-4-16 s.n. Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  UC854177  Delphinium parishii subsp. parishii I. W. Clokey, B. C. Templeton 1930-4-9 4696 Riverside North of Palm Springs. Colorado Desert 51 Comment
  UC495187  Dendromecon rigida P. A. Munz 1932-4-24 12392 Riverside Snow Creek Canyon San Jacinto Mts. (rocky wash) 457 Comment
  UC855085  Dendromecon rigida P. A. Munz and I. M. Johnston 1922-5-19 5406 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 762 Comment
  UCR174615  Dendromecon rigida Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 344 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  RSA433555  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18018 Riverside San Jacinto Mtns; northern slope 1128 Comment
  RSA234055  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop 1969-5-12 37950 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  RSA597937  Deschampsia elongata F. M. Reed 1928-6-18 6138 Riverside Temescal [Santa Ana] Mountains: Main Street Canyon, south of Corona. 579 Comment
  UCR202577  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UC1234752  Dicentra chrysantha Peter H. Raven 1962-4-29 17485 Riverside 1 mi above Ortega Highway e base 487 Comment
  RSA771749  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4611 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA543759  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6059 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
  RSA757747  Dichelostemma capitatum subsp. capitatum LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4347 Riverside Whitewater Canyon Bioblitz:, From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET6879161  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Cajalco district, ca. 5 miles southeast of Lake Mathews, and 2.5 miles west of U.S. 395. Comment
  CSUSB26  Dichelostemma pulchellum Karen Cook 1966-2-22 Riverside University of California, Riverside (UCR) campus. 200 yards southeast of intersection of street leading to agriculture buildings. 304 Comment
  GMDRC7548  Dicoria canescens J. M. Andre 2015-4-23 32756 Riverside Rice Valley: along Rice-Midland Rd, 3.1 mi. south of Hwy 62, eastern end of Arica Mountains 253 Comment
  UCSB37803  Dicoria canescens Roos, John 1957-12-26 Riverside 6 miles N.W. of Thousand Palms, Coachella Valley 152 Comment
  SD243250  Diplachne fusca var. uninervia Mike Lahti 2008-12-12 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. Comment
  SEINET229299 Image available Diplacus bigelovii var. bigelovii Leila M. Shultz, John S. Shultz 1985-1 8346 Riverside Chuckawalla Mountains, alluvial fans at Alligator rock 335 Comment
  CAS-BOT-BC152264  Diplacus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon, just south of Interstate 15 Comment
  SEINET8245386  Diplacus fremontii Wesley Griesel 1962-6-26 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC150675  Diplacus longiflorus P. C. Everett 1935-6-17 7147 Riverside Santa Ana Mts., Coldwater Can. Trail to Santiago Pk., 2 mi. above Glen Ivy Resort 609 Comment
  RSA0015884  Diplacus longiflorus Steve D. Boyd 1981-3-2 s.n. Riverside Gavilan Hills region, central Dawson Canyon, just upstream from the confluence of 'Blue Oak Canyon'. 366 Comment
  RSA0019298  Diplacus puniceus D. L. Banks 1997-2-23 1305 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
  SEINET13778043  Diplacus puniceus Ynez W. Winblad 1938-1 Riverside Between El Capistrano and Lake Elsinore Comment
  CAS-BOT-BC195676  Distichlis spicata H. S. Yates 1937-6-27 20940 Riverside Near Relief Hot Springs Comment
  UCR231754  Distichlis spicata John F. Green 2008-4-23 07- 03 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  JEPS3937  Ditaxis claryana Marjorie D. Clary 1932-12-15 1709 Riverside Coral reef Ranch, 8 miles west of Coachella Comment
  UC303381  Ditaxis claryana Marcus E. Jones, A. M. 1906-4-26 Riverside Indio Comment
  JEPS52445  Ditaxis lanceolata E. E. Schellenger Circa 1894 9 Riverside Santa Maria Mts. Colorado Desert, Santa Maria Mts. Comment
  JOTR30264  Ditaxis lanceolata Leary, Pat 1987-5-21 3830 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  SEINET7097941  Ditaxis lanceolata A. G. Vestal 1937-5-9 s.n. Riverside South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) Comment
  GMDRC3100  Ditaxis neomexicana J. Andre, T. La Doux 2008-9-13 10261 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  SD143928  Ditaxis neomexicana G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2702 Riverside Little Maria Mountains, Colorado desert, Midland road, 3.8 miles SE of Midland Comment
  UC570801  Ditaxis neomexicana H. L. Mason 1928-3-10 4223 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  VVC648  Ditaxis neomexicana P. J. MacKay 1997-2-8 103 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA4950  Ditaxis serrata var. californica C. B. Wolf 1932-4-27 3048 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA33641  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Cabazon. 457 Comment
  SBBG72435  Dithyrea californica unknown 1895-1 Riverside Palm Springs Comment
  SFV4379  Dithyrea californica F. M. Ball 1964-1-4 66 1 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  SEINET12005463  Dithyrea californica S. B. Parish, Parish, W. F. 1881-1 15 Riverside Whitewater Comment
  SEINET5342919  Dithyrea californica E. Neese 1979-4-10 7065 Riverside Joshua Tree Nat. Mon. s of Twenty-Nine Palms, between Pinto Basin jct and Cottonwood Wash. 305 Comment
  UCR37495  Dodecatheon clevelandii Steve Boyd 1981-3-2 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. by the road behind lookout Comment
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  RSA612492  Draba cuneifolia D. L. Banks 1997-2-23 1325 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
  UCR22108  Draba cuneifolia Steve Boyd 1980-5-15 271 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA0019582  Drymocallis glandulosa var. wrangelliana I. M. Johnston 1918-4-27 1873 Riverside Temecula Canyon. 610 Comment
  IRVC140  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 37 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  UCR101843  Dudleya B. G. Pitzer 1997-4-1 3043 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  LA204779  Dudleya abramsii Joan Malloy; 1952-5-24 sn Riverside Hemet Valley, S side of road Comment
  UCR127538  Dudleya abramsii A. C. Sanders, K. Kramer 2003-6-11 26876 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  SD206994  Dudleya aloides Reid Moran 1947-5-10 2183 Riverside Andreas Palm Canyon; south of Palm Springs. Comment
  UCSB16236  Dudleya cymosa Hargreaves, Bruce 1963-5-5 Riverside 5.7 mi. SE of Pinyon Campground on California State Highway 74 762 Comment
  POM12114  Dudleya lanceolata Mary F. Spencer 1921-5-30 1124 Riverside Canyon near San Jacinto. 549 Comment
  POM17775  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Temecula Canyon. 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
  HSC85282  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Alberhill Mtn., lower slopes of S flank, just E of claymine area Comment
  CAS-BOT-BC109613  Dudleya saxosa subsp. aloides D. A. Johansen; J. A. Ewan 1932-4-10 7062 Riverside Warners Ranch at Whitewater Western Colorado Desert. Comment
  CLARK-A1528-1173  Dudleya saxosa subsp. aloides Sally Bell 1964-5-3 Riverside 761 Comment
  RSA209565  Dudleya saxosa subsp. aloides T. Beck 1968-4-28 680428 -8 Riverside 1/2 mi. S of trout farm on White Water Canyon Rd. At point where the river crosses the road. 549 Comment
  POM6654  Dyssodia porophylloides P. A. Munz 1919-5-7 2732 Riverside Palm Springs. 198 Comment
  UCR200300  Dyssodia porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11212 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  RSA696228  Echinocactus cylindraceus Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
  SEINET8059976 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 20 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 5 2016
  SEINET8060008 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 4 Riverside 3.8mi down Eagle Mt. Rd. off I-10. SE side of the road. 400 Comment
  UCR59234  Echinochloa crus-galli Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  SBBG16250  Ehrendorferia chrysantha P. H. Raven 1962-4-29 17485 Riverside Ortega Hwy, 1 mi above its E base 487 Comment
  RSA463705  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside [Riverside?] Along Van Buren Boulevard between bridge over Santa Ana river and sewer. Comment
  UCR182095  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  HSC46428  Eleocharis macrostachya Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mtns. 701 Comment
  UCR110916  Eleocharis macrostachya A. C. Sanders, K. C. Rose 1999-6-18 22818 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  SBBG54319  Eleocharis parishii C. Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA0050592  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  UCR274299  Elymus condensatus T. B. Salvato, Melissa Clemons 2005-6-6 1411 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA679220  Elymus glaucus var. glaucus Fred M. Roberts 2003-6-25 5914 Riverside Just NE of Falcon roup Camp, 2.1km ESE Los Pinos Peak just west of main road. 1009 Comment
  UC37060  Elymus trachycaulus H. M. Hall July 1901 2569 Riverside Dark Canyon San Jacinto Mountains 2133 Comment
  JOTR32036  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2266 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
  JEPS34097  Encelia actoni W. L. Jepson 1935-4-19 17080 Riverside San Gorgonio Pass Comment
  JOTR31160  Encelia actoni La Doux, Tasha 2009-6-3 1868 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  UCR154633  Encelia actoni A. C. Sanders, Mike Misenhelter 2005-6-15 30995 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
  UCR263476  Encelia actoni A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41503 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
  CAS-BOT-BC131341  Encelia farinosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23077 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  HSC47356  Encelia farinosa Richard Spjut, C. E. Edson 1978-4-24 4954 Riverside Along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. 457 Comment
  HSC83022  Encelia farinosa N. M. Fellows 1984-3-20 3 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns., 1 mi. W of Snow Creek Village 488 Comment
  OBI2899  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  UCR148454  Encelia farinosa S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR204228  Encelia farinosa Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  SEINET10618313  Encelia farinosa David B. Dunn 1948-2-21 Dunn 3662 Riverside Pushawalla; in wash. Comment
  RSA522772  Encelia farinosa var. farinosa Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3879 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SBBG109174  Encelia frutescens D. Wilken with G. A. Wilken 1997-11-1 15374 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  POM6378  Ephedra californica Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2310 Riverside Sand dunes. Whitewater. 305 Comment
  RSA650252  Ephedra californica Marion P. Harthill 1973-2-17 1554 Riverside Snow Creek, Palm Springs 366 Comment
  UCR177328  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR75536  Epilobium campestre A. C. Sanders 1993-5-12 14010 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  POM12651  Epilobium canum subsp. latifolium P. A. Munz 1922-9-6 6388 Riverside Along zizag below Hidden Lake, San Jacinto Mountains. 2348 Comment
  UCR39543  Epilobium ciliatum A. C. Sanders 1980-8-21 1777 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  POM3143  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  UC56487  Epilobium ciliatum subsp. ciliatum E. E. Schellenger July, 1901 Riverside Thompson's Springs Comment
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Mar 22 2014
  UC64301  Epilobium ciliatum subsp. ciliatum H. M. Hall July 1901 2640 Riverside Johnston Ranch San Jacinto Mountains, vicinity of Strawberry Valley (along watercourses) 1600 Comment
  RSA644310  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Murrieta area (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. [coordinates are from the label and map incorrectly] 351 Comment
  RSA588572  Epilobium glaberrimum subsp. glaberrimum E. C. Jaeger 1921-7-1 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  POM19842  Epipactis gigantea Mary F. Spencer 1923-7-20 2248 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA170449  Epipactis gigantea John Olmsted 1960-5-15 1469 Riverside Near intersection of main and west forks of Snow Creek, San Gorgonio River Drainage Area, San Jacinto Mountains. 762 Comment
  UCR207988  Epipactis gigantea Mrs. Burton 1908-5-30 s.n. Riverside Peninsular Range/San Bernardino Valley, Riverside Comment
  UCR24195  Epipactis gigantea John C. Roos 1942-5-2 1129 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. South entrance, Cottonwood Spring 915 Comment
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Apr 5 2011
  UCR3709  Epipactis gigantea Frank C. Vasek 1964-7-25 640725- 03 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCSB925  Epipactis gigantea Kamb, Peter 1948-7-11 Riverside Hall Canyon; San Jacinto Mtns 1645 Comment
  RSA586936  Equisetum laevigatum Darin L. Banks, Peter Morrell 1995-5-4 302 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, N of the Wildhorse Trail, along Arroyo Seco. 597 Comment
  SEINET1909845  Eragrostis A. C. Sanders 1997-1 21627 Riverside Moreno Valley: March Air Base, near Riverside (Riverside East 7.5 Q.). 466 Comment
  POM267973  Eragrostis pectinacea E. Johnson 1943-10-29 s.n. Riverside Coachella. Comment
  IRVC27681  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing San Jacinto Mtns. 854 Comment
  SD258452  Eremothera refracta J. M. Andre 2013-3-4 23863 Riverside Sandy bluffs overlooking Colorado River, 0.2 mile E of Hwy 95, just S of Riverside Mountains, just N of Queen Sable Point. (Big Maria Mtns NE 7.5'Q) 96 Comment
  UCR163084  Eriastrum B. G. Pitzer 2000-5-7 4138 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA0105507  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1923-08 s.n. Riverside Tahquitz ridge near Tahquitz peak. San Jacinto Mountains 2439 Comment
  UCSB44669  Eriastrum densifolium subsp. mohavense D. Hibbard 1977-5-16 42 Riverside NW SIDE OF CA HWY 72 (11.8 MI FROM JCT WITH HWY L11) 1036 Comment
  SD197853  Eriastrum eremicum subsp. eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert: Coachella Valley, northwest corner of Baristo Road and El Cielo Road, near cargo entrance to Palm Springs Municipal Airport. 123 Comment
  SJSU8731  Eriastrum eremicum subsp. eremicum R. C. McGehee 1970-4-16 212 Riverside near N border of Chocolate Mts c. 22 mi W of Wiley Well Comment
  RSA0120081  Eriastrum eremicum subsp. eremicum R. F. Thorne, W. A. Tilforth 1980-5-28 54176 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA0120675  Eriastrum harwoodii Duncan S. Bell 2010-4-2 686 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA0120683  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  SEINET4207490  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Arica Mountains: northwest of mountain range, approximately 8.6 air miles west of the ghost town of Rice, and approximately 6.8 air miles northwest of Priests Well.; 0 286 Comment
  UC23880  Eriastrum sapphirinum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR213862  Eriastrum sapphirinum Scott D. White, Justin M. Wood 2009-5-22 12932 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  UCR55269  Eriastrum sapphirinum Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  RSA0121576  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6954 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA0121584  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1966-5-15 6300 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA0122973  Eriastrum sapphirinum subsp. sapphirinum Anonymous 1896-09 s.n. Riverside Strawberry Valley. Comment
  SBBG8332  Ericameria cooperi var. cooperi H. and M. Dearing 1936-12-25 2410 Riverside Long Cyn, Colorado Desert Comment
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA776284  Ericameria linearifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 886 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCSB38737  Ericameria linearifolia Cowan, Clark 1978-4-23 Riverside Bighorn sheep overlook 14.5 mi (23.2 km) S on hwy 74 from jct. w/ Hwy 111 at Indian Wells; Santa Rosa Mts., San Berndo. Nat. For. Comment
  SEINET10808732  Ericameria nauseosa David B. Dunn 1947-9-21 Dunn 3519 Riverside Collected in a shallow wash about 5 miles in from Hwy. to 29 Palms. In Joshua Tree National Monument. Comment
  SEINET10808748  Ericameria nauseosa var. mohavensis David B. Dunn 1946-8-17 Dunn 2728 Riverside Found along trail to Hidden Lake in San Jacinto Mts. Comment
  OBI7340  Ericameria paniculata Louis C. Wheeler 1933-12-1 2288 Riverside 2 mi E Cabezon, San Gorgonio Pass 640 Comment
  UC1929886  Ericameria paniculata Scott D. White, Michael Honer 2003-5-13 9250 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  SD239588  Ericameria parishii A. C. Sanders, Kent Beaman 2011-9-27 39924 Riverside Peninsular Range; Santa Ana Mtns.: Main Divide Truck Trail, 0.95 km ENE (78a^z) of Santiago Peak summit. 1402 Comment
  RSA719791  Erigeron breweri var. jacinteus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1741 Riverside Along trail to Hidden Lake Divide. 2591 Comment
  RSA786089  Erigeron foliosus J. D. Olmsted 1958-6-15 190 Riverside On N Fork San Jacinto River, 1 mile above its intersection with M[iddle] Fork San Jacinto River near the Hemet-Idyllwild Road.; Mt. range: San Jacinto Mts.; drainage area: San Jacinto River. 732 Comment
  UCR140725  Erigeron foliosus A. C. Sanders 2004-5-12 27880 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA455015  Eriodictyon crassifolium Martha Hilend 1928-4-8 s.n. Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA455025  Eriodictyon crassifolium E. C. Jaeger 1921-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat], north slope San Jacinto Mts Comment
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Nov 5 2011
  SD4124  Eriodictyon crassifolium Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UC708743  Eriodictyon crassifolium H. K. Wagnon 1944-5-30 405 Riverside along Tahquitz Creek (Palm Springs); along Tahquitz Creek, Palm Springs Comment
  JEPS57094  Eriogonum apiculatum Carl V. Meyer 1928-7-26 527 Riverside near Roach Sawmill; San Jacinto Mt. Comment
  POM254741  Eriogonum apiculatum P. A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2317 Comment
  JOTR37446  Eriogonum baileyi var. baileyi Hodges, Stephen, T. Green 2016-5-24 568 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
  GMDRC2045  Eriogonum davidsonii J. Andre 2006-4-26 6764 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UCR35099  Eriogonum davidsonii L. B. Ziegler 1967-8-2 201 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  SEINET11932637  Eriogonum davidsonii J. F. Emmel 1979-1 694 Riverside SE end Jacinte Mts S base of Sugarleaf Mt. near SE end of Pinyon Flat 1219 Comment
  UCSB37947  Eriogonum deflexum Mayers, Anna 1978-4-24 Riverside 4.5 km south of Palm Springs Araby Canyon, south of Araby Drive 215 Comment
  CAS-BOT-BC256117  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon, 13 miles se of Mecca Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  UCR108156  Eriogonum fasciculatum subsp. foliolosum B. G. Pitzer 1997-3-23 2985 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR112312  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23446 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR260543  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-5-29 8026 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA393430  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1576 Riverside Banning. 701 Comment
  RSA393349  Eriogonum fasciculatum var. polifolium Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA594510  Eriogonum fasciculatum var. polifolium D. L. Banks, Dylan Hannon 1996-5-3 997 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approx. 300m E of the Dripping Springs Guard Station, just S of Hwy. 79. 500 Comment
  UC1329844  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-17 715 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  CAS-BOT-BC253494  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  SBBG62113  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11253 Riverside Temescal Cyn Comment
  RSA703627  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-9-16 10767 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA27986  Eriogonum inflatum var. inflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA515201  Eriogonum inflatum var. inflatum Steve Boyd, Orlando Mistretta 1986-3-13 1475 Riverside West Side Palen Mountains: NE of Desert Center; First large canyon at NW tip of western segment of range. Comment
  UC61702  Eriogonum inflatum var. inflatum L. D. Copeland 1904-4-30 106 Riverside West Canyon, Palm Springs Comment
  CAS-BOT-BC263116  Eriogonum maculatum H. M. Hall 1899-6-1 1268 Riverside San Antonio Mountains. North side 1828 Comment
  CAS-BOT-BC270592  Eriogonum molestum H. M. Hall 1901-7-1 2386 Riverside San Jacinto Mountains 1615 Comment
  CAS-BOT-BC270596  Eriogonum molestum Peter H. Raven; R. Snow 1957-7-26 11124 Riverside 1.8 mi. above Lake Fulmor, San Jacinto Mts. Comment
  SBBG64071  Eriogonum molestum R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  CDA22643  Eriogonum pusillum T. C. Fuller 1964-4-14 11825 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA424847  Eriogonum pusillum Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
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Dec 18 2011
  SBBG1606  Eriogonum pusillum H. and M. Dearing 1942-3-7 4813 Riverside Cathedral City Comment
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  RSA676112  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA766144  Eriogonum thomasii F. W. Peirson 1930-3-29 1897 Riverside Painted Canyon Comment
  UCR245950  Eriogonum thomasii Duncan S. Bell 2009-3-7 08 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  UCR112133  Eriogonum thurberi A. C. Sanders, Robert Noll 1998-5-28 21889 Riverside Riverside, Fairmount Park, SW of Lake Evans at upper end of wooded area associated with Spring Brook, between the two outlets from the lake 244 Comment
  UCR211720  Eriogonum thurberi Fred M. Roberts, D. E. Bramlet 2005-6-6 6247 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  CAS-BOT-BC263593  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  RSA766491  Eriogonum trichopes Alice Hutchinson 1931-09 6853 Riverside Between Desert Center and Blythe 122 Comment
  UCR63890  Eriogonum viridescens B. G. Pitzer 1989-4-16 1295 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  RSA766279  Eriogonum wrightii var. membranaceum Joseph A. Ewan 1928-6-23 1520 Riverside Strawberry Valley, San Jacinto Mts. 1616 Comment
  UCR22009  Eriogonum wrightii var. membranaceum Steve Boyd 1980-9-1 341 Riverside Harford Springs County Park. Located on the NW corner of the Gavilan Plateau. Along old dirt roadbed, S border. Comment
  RSA423140  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1970-11-1 330 Riverside Andreas Canyon area, east slope San Jacinto Mountains. 427 Comment
  RSA102337  Eriophyllum ambiguum var. paleaceum S. B. Parish, W. F. Parish 1882-04 1208 Riverside Mts. in back of Agua Caliente. Comment
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Jul 12 2010
  POM11997  Eriophyllum confertiflorum Mary F. Spencer 1919-6-17 1277 Riverside San Jacinto Mts 549 Comment
  UCR154391  Eriophyllum confertiflorum A. C. Sanders, Mike Misenhelter 2005-6-15 30969 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
  UCR172239  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR174109  Eriophyllum confertiflorum A. C. Sanders 2006-5-19 32453 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SDSU12920  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  CAS-BOT-BC301791  Eriophyllum multicaule Frank W. Peirson 1922-4-29 2927 Riverside Road to Leach Canyon, about 1 mile north of Lake Elsinore Comment
  RSA395357  Eriophyllum multicaule Steve Boyd 1986-4-22 1741 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  JOTR34195  Eriophyllum wallacei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2988 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA604865  Erodium botrys Scott D. White 1995-3-30 2634 Riverside Just west of Box Springs Blvd, east of Sycamore Canyon Park. 457 Comment
  JOTR16707  Erodium cicutarium Hogan, J. 1974-5-6 47 Riverside Joshua Tree National Park. BELLE CAMPGROUND 1179 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA594046  Erodium cicutarium D. L. Banks, Elizabeth Hedge Banks 1996-5-2 924 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCD84930  Erodium texanum Chuck Hughes 2010-3-22 202 Riverside Near edge of Rice-Midland Road. 269 Comment
  UCR26267  Erodium texanum John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Mouth of Lost Palms Wash, Eagle Mountains Comment
  JOTR16638  Erysimum capitatum var. capitatum Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  SD137604  Erythranthe cardinalis Darin L. Banks, Victor Steinman 1995-7-10 751 Riverside NW Palomar Mountains: Agua Tibia Mountains; Cleveland National Forest; along the Wildhorse Trail, S of Lower Arroyo Seco, NW of Wildhorse Peak, drainage NW flank of Wildhorse Peak 609 Comment
  SD218386  Erythranthe diffusa P. A. Munz 1922-4-30 5153 Riverside Hills south of Tuscaloa Creek on road from Aguanga. Comment
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Feb 18 2013
  RSA0014888  Erythranthe tilingii G. R. Campbell 1948-7-4 616 Riverside On streambank at Azalea Trails Girl Scout Camp, near Idyllwild. Comment
  SDSU18719  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  UCD94179  Eschscholzia californica Shannon M. Still 2008-3-19 288 Riverside California. Riverside County. 566 Comment
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  CAS-BOT-BC91566  Eschscholzia minutiflora Lewis S. Rose 1937-4-9 37138 Riverside Palms to Pines Highway, 15 miles west of Indio. 838 Comment
  CDA24566  Eschscholzia minutiflora T. C. Fuller 1962-4-4 7998 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  LA85186  Eschscholzia minutiflora F. R. Fosberg; 1941-4-21 209 Riverside Morongo Pass Area, Desert City Comment
  RSA445666  Eschscholzia minutiflora Robert M. Perkins 1937-3-15 422 Riverside 10 miles W of Desert Center. Comment
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Apr 5 2011
  UCR269195  Eschscholzia minutiflora Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-22 779 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  RSA0011218  Eschscholzia minutiflora Richard Snow 1953-4-5 51 a Riverside Box Canyon. Comment
  RSA0023135  Eschscholzia minutiflora Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. Comment
  UCD96472  Eschscholzia papastillii Shannon M. Still 2009-2-21 433 Riverside California. Riverside County. 172 Comment
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Sep 2 2017
  UCD96493  Eschscholzia papastillii Shannon M. Still 2009-2-21 436 Riverside California. Riverside County. 167 Comment
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Sep 2 2017
  JOTR38684  Eschscholzia parishii Hodges, Stephen R. 2017-2-7 700 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  SEINET3347397 Image available Eschscholzia parishii Jim Andre, T. La Doux 2009-3-10 11234 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR148448  Eschscholzia parishii 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
  UCR4234  Eschscholzia parishii K. S. Gill 1965-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Canyon 5 mi north of Hwy 60 610 Comment
  RSA0009598  Eschscholzia parishii Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  SEINET3840909  Eucalyptus cadens Unknown 1992-3-14 12061 Riverside University of California Moreno Valley Field Station, Mareno Valley, Paul Moore's experimental woodlots; eastern of the two lots, near the intersection of Oliver Street and Kennedy Drive, seventeenth tree from north in ninth row from the east, Quadrangle: Sunnymead 7.5 476 Comment
  UC1608075  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5953 Riverside 3 mi. w. San Jacinto (s.e. corner of the intersection of Cottonwood Ave. & Warren Rd., at Cottonwood (Reflection) Lake); Cottonwood (Reflection) Lake 487 Comment
  UCR137714  Eucalyptus camaldulensis D. L. Banks 1997-3-29 1559 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR192672  Eucalyptus camaldulensis Matt Ritter, Jenn Yost, A. C. Sanders 2007-10-18 322 Riverside University of California, Riverside; Botanic Garden 366 Comment
  RSA564284  Eucrypta chrysanthemifolia Ed LaRue 1993-5-11 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side oh Hwy 215. 457 Comment
  UCR172223  Eucrypta chrysanthemifolia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  SBBG64804  Eucrypta micrantha Anstruther Davidson 1985-1 Riverside Palm Springs Comment
  OBI35625  Eulobus californicus Carolyn Eytcheson 1977-12-10 577 Riverside In hills W of San Jacinto and Hemet 488 Comment
  RSA791459  Eulobus californicus Keith E. Hoffmaster 1935-3-31 687 Riverside Palm Springs. CD1. Comment
  RSA750603  Euonymus occidentalis var. parishii K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  RSA736103  Euphorbia L. C. Wheeler 1952-4-6 6852 Riverside Box Canyon. Comment
  SD233226  Euphorbia abramsiana Catherine MacGregor 2012-9-13 Riverside East of Blythe. Area where sheet-flowing water backed up and ponded next to an unpaved trail. 127 Comment
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  RSA0002688  Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert 61 Comment
  RSA776846  Euphorbia eriantha Amber Swanson 2011-3-18 232 Riverside Down Rd from Corn Springs Campground in the Chuckwalla Mtns Comment
  UCR166195  Euphorbia ocellata var. arenicola Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  UCR181163  Euphorbia ophthalmica R. E. Riefner Jr. 2005-8-7 05- 591 Riverside Sonoran (Colorado) Desert, Coachella Valley; Rancho Mirage, along Hwy 111 76 Comment
  UC455399  Euphorbia palmeri I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  RSA697601  Euphorbia polycarpa Elisabeth Norland 1930-5-18 2 Riverside Shavers Well Comment
  UCR124637  Euphorbia polycarpa B. C. Templeton, I. W. Clokey 1930-4-9 1013 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR183013  Euphorbia polycarpa Mitch Provance 2003-5-5 4422 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA118959  Euphorbia polycarpa var. hirtella L. S. Rose 1957-1-4 57012 Riverside La Quinta. 15 Comment
  RSA0015423  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR272198  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  CLARK-A1528-2708  Euphorbia setiloba John C. Roos 1958-9-28 Riverside San Jacinto Mountains 1219 Comment
  CAS-BOT-BC167371  Fagonia laevis Milo S. Baker 1928-4-3 3304 b Riverside Palm [Canon] Canyon Comment
  SEINET885180  Fagonia laevis T. L. Burgess 1980-1 5800 Riverside Hwy 74, 6.1 miles south of junction with Hwy 111 in Palm Desert. 533 Comment
  POM9059  Fagonia laevis Philip A. Munz, R. D. Harwood 1920-4-3 3578 Riverside 30 miles west of Blythe. 366 Comment
  UCR86159  Fagonia pachyacantha A. C. Sanders 1995-5-23 17126 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  CAS-BOT-BC59765  Ferocactus cylindraceus Ira L. Wiggins 1937-3-9 8748 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR127576  Festuca microstachys D. E. Bramlet 2003-4-18 3373 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
  UCR137606  Festuca microstachys Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2276 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR20466  Festuca microstachys John C. Roos 1952-4-9 5481 Riverside Hill by Fairmont Park, Riverside 259 Comment
  OBI53610  Festuca myuros Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl Comment
  UCR5908  Festuca myuros Leland E. Francois 1966-3-29 32966- 2 Riverside Riverside, SE corner US Salinity Laboratory property, located at the corner of 14th St. and Palm Ave. 290 Comment
  UCR92504  Festuca myuros S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  UCR97263  Festuca myuros Scott D. White 1993-4-30 1313 a Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR90808  Festuca octoflora A. C. Sanders, G. K. Helmkamp 1996-3-17 17993 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  CAS-BOT-BC474730  Ficus microcarpa R. E. Riefner, Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway, ca 120 ft. W of Lincoln St., N side of Corona del Rey Apartments 210 Comment
  RSA759755  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  RSA586249  Filago californica D. L. Banks 1995-4-11 0168 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, E of the Dripping Springs Trail. 950 Comment
  SEINET7073467  Filago californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA93680  Filago californica F. W. Peirson 1921-3-22 5277 Riverside Murray Canyon, south side in canyon 457 Comment
  UCR166301  Filago depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16129 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA615092  Filago gallica D. L. Banks 1997-3-29 1587 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
  RSA736694  Filago gallica Scott D. White 2004-4-26 10241 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR114811  Foeniculum vulgare Mitch Provance 1998-7-23 913 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  RSA798982  Fouquieria splendens subsp. splendens Jim Andre 2012-3-19 21336 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  SD229247  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-18 700 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UC217971  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UCR218068  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers 1012 Comment
  POM182212  Funastrum cynanchoides var. hartwegii P. A. Munz 1932-4-24 12397 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  HSC101233  Funastrum utahense Jim Andre 2012-4-15 20848 Riverside West end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  CDA18362  Galium angustifolium subsp. angustifolium G. D. Barbe, Lew Davis 1978-5-3 2380 Riverside Sonoran Desert; 1.4 mi W of settlement, 5 miles W of end of Corn Springs Rd, W of Corn Springs campground. 548 Comment
  POM259262  Galium angustifolium subsp. angustifolium Philip A. Munz 1938-8-14 15387 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  SD70482  Galium angustifolium subsp. angustifolium Lauremay T. Dempster, G. L. Stebbins 1966-6-17 4239 Riverside Near Maple Creek crossing of road running due east from Vista Grande Guard Station, San Jacinto Mountains Comment
  SDSU12910  Galium angustifolium subsp. angustifolium Jutta Buschbom 1991-6-1 49 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SDSU71  Galium angustifolium subsp. angustifolium S. J Barnhart 1966-4-24 660424 -4 Riverside SW facing slope of small hill .1 mile E of McAllister St along the metropolitan water co. utility rd (dirt) , which is 1.5 miles SE of the intersection of McAllister St and Victoria Ave. 457 Comment
  OBI69999  Galium angustifolium subsp. gabrielense David Charlton 1988-5-21 1912 Riverside Thomas Mountain Rd, from N to S. West of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  SD232326  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1708 Riverside Peninsular Ranges; San Jacinto Mountains region: Lake Fulmore; NW side of Lake. UTM Zone 11. Slopes above lake. 1616 Comment
  UCD170549  Galium californicum subsp. primum D. O. Burge; J. Gee 2017-5-20 2277 Riverside Alvin Meadows, roadside on Old Control Road, E of intersection with Red Hill Road. 1515 Comment
  RSA50568  Galium parishii E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  UCR177635  Galium porrigens John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCD170416  Galium porrigens var. porrigens D. O. Burge 2017-3-12 2223 Riverside Alvin Meadows. 1524 Comment
  RSA444788  Garrya flavescens var. pallida J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona. Comment
  RSA115033  Garrya veatchii E. K. Balls, P. C. Everett, S. Tillett 1955-7-19 20972 Riverside San Jacinto Mts., Hwy 74, Hemet to Idyllwild, 2.8 mi. NW from Mountain Center 1189 Comment
  POM20916  Gastridium phleoides P. A. Munz 1923-9-7 7758 Riverside Trail from Holy Jim Canyon to Santiago Peak 1128 Comment
  RSA761322  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 680 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR195137  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  POM355346  Gayophytum diffusum subsp. parviflorum M. B. Dunkle 1933-7-19 3691 Riverside Tahquitz Ridge. San Jacinto Mountains. 2530 Comment
  RSA5157  Geraea canescens C. B. Wolf 1932-4-26 2968 Riverside 3 mi. east of Mecca on Blythe Road 0 Comment
  UC61547  Geraea canescens Miss Mary McKibben 1904-5-1 Riverside Mecca Comment
  SEINET10726155  Geraea canescens Billy Joe Cox 1975-4-23 Cox 4176 Riverside Palo Verde, 1-3 km W, (ca, 32 mi S of Blythe). 70 Comment
  UCR118398  Gilia A. C. Sanders 1994-5-29 14560 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  SEINET156054  Gilia achilleifolia Norman C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon. 1220 Comment
  RSA527861  Gilia angelensis Scott D. White 1991-5-10 91 -139 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UC1595709  Gilia angelensis W. Wisura, A. King, and L. Newcomb 1992-4-10 4673 Riverside n of West Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  UCR137504  Gilia angelensis D. L. Banks, V. W. Steinmann 1997-3-13 1453 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR166166  Gilia angelensis John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA470271  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-17 1430 Riverside San Jacinto Mountain. West side. 1372 Comment
  SJSU11612  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 5 mi E of E shore, Lake Elsinore Comment
  RSA171388  Gilia diegensis J. D. Olmsted 1962-5-3 3488 Riverside Edge of Thomas Mountain fire road south of Hemet Lake, NE flank of Thomas Mountain. 1418 Comment
  RSA72315  Gilia diegensis F. W. Peirson 1922-5-21 4137 Riverside Along east side of Hemet Valley 1357 Comment
  SEINET14643582  Gilia diegensis H. M. Hall 2913 Riverside Vicinity of Winchester. 457 Comment
  UC23841  Gilia latiflora subsp. davyi Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UC68704  Gilia latifolia H. M. Hall Apr., 1905 5791 Riverside 8 mi w Coachella; Colorado Desert, w of Coachella 30 Comment
  RSA0016239  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4983 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
  UC1979573  Gilia ochroleuca subsp. exilis Darin L. Banks, Steve Boyd 1995-5-3 0256 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
  SEINET7040152  Gilia ochroleuca subsp. exilis A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  POM184303  Gilia stellata P. A. Munz 1932-3-14 11988 Riverside Palm Springs. 91 Comment
  RSA771353  Gilia stellata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4982 -a 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
  SBBG87691  Gilia stellata S. Boyd with S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2111 Riverside N end of Palen Mtns, 2 mi W of Palen Pass, mid-bajada 300 Comment
  UC879878  Gilia stellata C. L. Hitchcock 1940-4-3 5931 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree National Monument); Johusa Tree National Monument, ne of Cottonwood Spring Comment
  UCR200399  Gilia stellata Tasha La Doux, Jim Andre 2008-3-21 150 Riverside Eastern Mojave Desert, Joshua Tree National Park, Lower Wilson Wash along NE side of paved road 853 Comment
  UCR50577  Gilia stellata B. G. Pitzer 1988-3-10 0660 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  PASA732  Gilia virgata Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  CAS-BOT-BC303651  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Riverside: field on the W side of Iowa Ave, just N of the Santa Fe RR tracks 287 Comment
  SD146033  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Field on the west side of Iowa Ave., just north of the Santa Fe Railroad tracks. 287 Comment
  CAS-BOT-BC280555  Glyceria elata J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  UCR2451  Glyceria elata F. M. Reed 1908-7-13 2512 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  POM182409  Glycyrrhiza lepidota J. B. Feudge 1930-7-24 2090 Riverside Santa Ana River, 2 miles N of Riverside. Comment
  UC73173  Glycyrrhiza lepidota M. F. Gilman 1904-1 41 Riverside Banning Comment
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Mar 13 2011
  UCR90599  Gnaphalium californicum Scott D. White 1995-6-29 3380 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  RSA36560  Gnaphalium canescens Sara M. Schenck 1942-04 s.n. Riverside Split Rock, Joshua Tree National Monument, Riverside Comment
  UCR34924  Gnaphalium canescens subsp. beneolens L. B. Ziegler 1967-9-6 234 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  UCR232794  Gnaphalium palustre John F. Green 2008-4-16 0408- 50 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR281213  Gnaphalium palustre Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 52 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  SEINET3004917  Gossypium hirsutum G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10335 Riverside Canal two miles north of Blythe. 70 Comment
  POM118627  Guillenia lasiophylla Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  HSC84154  Gutierrezia sarothrae B. Pitzer, Jack Easton 1987-3-10 387 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi. E of town of Anza on N side of Hwy. 371 1341 Comment
  UCR92154  Gutierrezia sarothrae D. L. Banks, Steve Boyd 1995-10-26 0827 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  SEINET189213  Halliophytum hallii Annie M. Alexander, L Kellogg 1941-5-9 2138 Riverside Plateau 1.5 miles north of Cottonwood Spring Eagle Mountains 975 Comment
  UC217889  Harpagonella palmeri P. A. Munz and I. M. Johnston 1922-5-19 5335 a Riverside 5 mi ne Murietta 457 Comment
  UCR60270  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3133 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  UCR91476  Harpagonella palmeri Scott D. White, M. Jacobsmeyer 1996-4-20 3947 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  SDSU13561  Hazardia squarrosa var. grindelioides W. Miller with C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  UCR174338  Hedypnois cretica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32503 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC211543  Helianthemum scoparium P. C. Everett 1935-6-18 7175 Riverside San Juan Canyn, near Ortega Highway on road to Santiago Pk., Santa Ana Mts. 701 Comment
  UCR250136  Helianthus gracilentus Dick Newell, Judy Booth 2013-11-24 343 Riverside Peninsular Range; Santa Ana Mtns., North Main Divide Road, Cleveland National Forest, 0.5 mi. east of Orange Co. line 825 Comment
  JEPS38323  Hemizonella minima Carl V. Meyer 1929-6-16 761 Riverside slope s Saunder's Meadows; San Jacinto Mts. Comment
  RSA216766  Hemizonia kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Canyon S of Hemet Comment
  RSA94101  Hemizonia kelloggii R. S. Woglum 1937-5-22 12339 Riverside Temecula. Comment
  UCR194232  Hemizonia mohavensis Scott D. White, J. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  UCR183342  Hemizonia paniculata Mitch Provance 2005-5-27 4606 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR213869  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UCR58884  Hemizonia paniculata Ed LaRue 1989-5-8 s.n. Riverside Peninsular Range, Mockingbird Canyon area, south of Van Buren Blvd and c. 1/2 mi (airline) east of Mockingbird Canyon Road. Comment
  CDA6984  Hemizonia pungens subsp. laevis P. E. Hitchcock 1973-6-26 Riverside San Jacinto Valley area. 0 Comment
  RSA450756  Hemizonia pungens subsp. laevis J. C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  UCR230882  Hemizonia pungens subsp. laevis Jeremiah George 2011-7-15 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, southwest of corner of Pasadena and 3rd St. 385 Comment
  UCR68044  Hemizonia pungens subsp. pungens D. E. Bramlet 1990-7-20 2048 Riverside Perris Valley Storm Drain, 200 m east of the Escondido Freeway (Hwy I-125), and 350 m north of Ellis Ave 470 Comment
  UCR231748  Herniaria hirsuta subsp. cinerea John F. Green 2008-4-21 03- 04 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and Alabaster Loop, east of the San Jacinto River 457 Comment
  RSA0073109  Hesperocallis undulata Jim Andre 2013-3-27 24801 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  UC195036  Hesperocallis undulata Joseph Grinnell 1910-3-17 Riverside Riverside Mountain, Colorado River Colorado River; Riverside Mountain, Colorado River Comment
  UCR174447  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32507 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
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  UCR234753  Heteromeles arbutifolia A. C. Sanders, John F. Green 2012-6-25 40302 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  SEINET10419994  Heterotheca grandiflora Norman C. Cooper 1943-9-11 901 Riverside Banning. 610 Comment
  UC1999891  Heterotheca sessiliflora subsp. echioides J. C. Semple, J. Chimielewski 1987-9-30 8983 Riverside Idyllwild, Rd. to Idyllwild School of Fine Arts and Music, 2.3 km NW of CA-243. Comment
  POM13900  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4832 Riverside South base of Eagle Mountains 213 Comment
  POM360445  Hieracium albiflorum E. C. Jaeger 1921-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  SEINET212440 Image available Hilaria rigida N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-22 6461 Riverside Rice Valley 7 mi S-SW of Rice 274 Comment
  UCD57072  Hilaria rigida Geoffrey Levin 1976-3-27 695 Riverside Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  CAS-BOT-BC207514  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Colorado Desert, Coachella 20 Comment
  UC570587  Hoffmannseggia glauca Frank W. Peirson 1935-4-17 11469 Riverside 9 mi s Blythe Comment
  UCR17645  Hoffmannseggia glauca Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, Ford Dry Lake, between Desert Center and Blythe 110 Comment
  SBBG3337  Hoffmannseggia microphylla H. and M. Dearing 1940-1-1 4072 Riverside Painted Cyn near Mecca Comment
  UCR269909  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3652 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR280612  Hordeum intercedens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 17 Riverside Elsinore Trough, South corner of Baker St. and Bromley Ave. 384 Comment
  UCR92703  Hordeum intercedens A. C. Sanders, D. Malueg, K. D. Jones 1996-4-20 18057 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  POM112842  Hordeum murinum subsp. glaucum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA522779  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3886 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
  RSA594520  Hordeum murinum subsp. leporinum D. L. Banks, Rashmi Pant 1996-5-13 1025 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station;, (100 m E of where Hwy. 79 leaves the Forest Service Boundary). On the S side of Hwy. 79. T8S R1W; Just N of the NE 1/4, NW 1/4 of sec. 23. 487 Comment
  HSC10209  Hordeum murinum subsp. murinum C. L. Hitchcock, C. V. Muhlick 1961-3-17 23083 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  UC729824  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside 1 1/2 mi Idyllwild (on road to banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR201424  Horkelia clevelandii Scott D. White, Justin M. Wood 2008-6-17 12155 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR37729  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields c. 1/4 mi south of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  POM230992  Horsfordia alata Marjorie D. Clary 1932-12-11 2566 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains 152 Comment
  CLARK-A1528-1951  Hulsea vestita John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  RSA782990  Hulsea vestita J. D. Olmsted 1959-7-7 746 Riverside Tahquitz Valley 4 miles ENE of Idyllwild 915 Comment
  SDSU1678  Hulsea vestita H. Wedberg 1963-5-26 1068 Riverside On Banning to Idyllwild road, at junction with road to Black Mountain Public Campground. 1646 Comment
  JEPS19516  Hulsea vestita subsp. callicarpha Peter H. Raven with R. Snow 1957-7-26 11098 Riverside 0.7 mi n Vista Grande Ranger Station (Banning--Idyllwild Road); San Jacinto Mountains Comment
  CHSC8374  Hymenoclea salsola Edward L. Smith 1957-4-3 258 Riverside San Bernardino Mts. Located at entrance to White Water Canyon. 579 Comment
  RSA650974  Hymenoclea salsola Marion P. Harthill 1971-3-19 3 Riverside Palm Desert. Comment
  SEINET2055704 Image available Hymenoxys cooperi P. Leary 1975-6-6 1267 Riverside 1/4 mile E of the shaft in Johnny Long Canyon, Joshua Tree National Monument 1310 Comment
  SD181473  Hypericum formosum Scott D. White, Sandy Leatherman 2000-5-31 7983 Riverside Santa Ana Mountains/Santa Rosa Plateau, near squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. Occasional (patchy) in grassland. 640 Comment
  UC19044  Hypericum formosum var. scouleri H. M. Hall 1897-7-20 9689 Riverside San Jacinto Mts. - streams at 5300 ft San Jacinto Mts. 1615 Comment
  UCD110394  Hypericum perforatum subsp. perforatum Robert F. Thorne; Steve Boyd and Earl Lathrop 1985-7-18 61167 Riverside Santa Rosa Plateau: Along upper Clinton Keith Road. 487 Comment
  RSA556454  Hypochaeris glabra Julie Greene 1993-4-30 1274 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  CAS-BOT-BC219739  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside Between Cottonwood Spring and Pinto Basin Comment
  JEPS63222  Hyptis emoryi E. E. Schellenger May 1920 Riverside canyon e Coachella (Colorado Desert); , e of Coachella Comment
  JEPS63229  Hyptis emoryi Marjorie Clary 1934-3-3 Riverside w Indio Mtn. (18 mi w of Indio, Carrizo Canyon); w of Indio Mtn., Carrizo Canyon 304 Comment
  RSA121983  Hyptis emoryi H. S. Yates 1936-4-6 5412 Riverside Palm Springs. 137 Comment
  UC63795  Hyptis emoryi H. M. Hall May 17 1901-Jun 1 1901 1838 Riverside Palm Canyon 457 Comment
  UCD124924  Hyptis emoryi L. S. Rose 1935-12-21 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
  UCR19130  Hyptis emoryi John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  RSA33642  Iris hartwegii subsp. australis Robert L. Rutherford 1945-6-17 1672 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 19 2010
  RSA0028827  Isocoma acradenia W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  POM13734  Isocoma acradenia var. eremophila E. C. Jaeger 1921-11-10 1158 Riverside Little Palm Canyon. Comment
  RSA770888  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4591 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA91284  Isocoma acradenia var. eremophila F. W. Peirson 1920-12-28 2335 Riverside Murray Canyon near Palm Springs 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
  UC55181  Isocoma menziesii var. vernonioides E. A. Zumbro 1902-10-1 257 Riverside Comment
  UC63200  Isocoma menziesii var. vernonioides H. M. Hall 1902-4-1 2969 Riverside vicinity of Riverside 304 Comment
  RSA606526  Isoetes Jon E. Keeley 1980-4-5 7500 Riverside Mesa de Colorado on Santa Rosa Plateau, Santa Ana Mountains 650 Comment
  UC68545  Isomeris arborea H. M. Hall Apr 1905 6005 Riverside Cottonwood Pass; Colorado Desert 609 Comment
  UCR121889  Iva axillaris Ian G. Gillespie 2001-5-7 78 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR246589  Iva axillaris A. C. Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley, city of Lake Elsinore, 0.4 km SW (210 deg. ) of intersection of Riverside Dr. and Collier Ave. 385 Comment
  RSA451604  Ivesia callida Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Peak. Comment
  UCR262277  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC136681  Juglans hindsii R. E. Riefner, Jr. 2009-8-15 09 -174 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy 297 Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  CAS-BOT-BC109879  Juncus Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  UCR108208  Juncus balticus D. L. Banks 1997-11-15 2196 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR117384  Juncus bufonius A. C. Sanders, T. B. Salvato 2001-5-25 24385 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR256088  Juncus bufonius var. occidentalis G. D. Wallace 2003-7-8 4038 B Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR94960  Juncus effusus subsp. austrocalifornicus Scott D. White 1996-8-15 4463 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  JEPS67059  Juncus oxymeris Carl V. Meyer 1928-7-30 583 Riverside Saunder's Meadow San Jacinto Mts. Comment
  LA202787  Justicia californica B. Lewis; 1939-4-9 sn Riverside Palms to Pines Highway 152 Comment
  LA202795  Justicia californica S. B. Parish; 1907-4-18 6126 Riverside western border of the Colorado Desert 45 Comment
  RSA398809  Justicia californica B. C. Templeton 1930-3-22 1659 Riverside Palm Springs. 400 Comment
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Aug 27 2011
  RSA402293  Justicia californica M. B. Dunkle 1932-3-25 2909 Riverside Near Cathedral Canyon 152 Comment
  RSA73961  Justicia californica Alice Yates, Jas. E. Wilcox 1952-4-5 29 Riverside Between Box Canyon and Smoke Tree National Monument. 152 Comment
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May 20 2012
  SFV6305  Justicia californica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 44 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UCR242293  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA293252  Keckiella antirrhinoides D. C. Michener 1980-5-8 3660 Riverside San Bernardino NF Bee Canyon: canyon bottom and slopes with Quercus, Heteromeles, Adenostoma, Salvia, etc. 600 Comment
  RSA67761  Keckiella antirrhinoides G. R. Campbell 1951-4-22 16072 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1006 Comment
  UCR270318  Keckiella antirrhinoides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8340 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  NY790223  Keckiella cordifolia D. L. Banks 1996-6-6 1119 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve, southwest side of the Water Storage tank. 100 m north of the road junction between 457.2 Comment
  UC54995  Keckiella cordifolia H. M. Hall 1897-5-27 573 Riverside Cold Water Canyon; Santa Ana Mts. Comment
  UCD123812  Keckiella cordifolia June Latting 1973-6-30 s.n. Riverside Riverside/Orange County: Santa Ana Mountains: off Skyline Drive above Corona on Sierra Peak Road. 823 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
  RSA293259  Keckiella ternata subsp. ternata D. C. Michener 1980-5-29 3626 Riverside San Bernardino NF, Cave Springs. 950 Comment
  UC38700  Koeleria macrantha H. M. Hall 1901-6 2429 Riverside San Jacinto Mountains Tauquitz Valley; , Tauquitz Valley 1889 Comment
  UC38717  Koeleria macrantha H. M. Hall 1901-6 2376 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  UCD86080  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mts., Banning Road west of Idyllwild. 1676 Comment
  UCR178348  Koeleria macrantha Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1054 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR201642  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  SD90403  Krameria bicolor Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley. On rocky slopes of desert wash in creosote bush scrub. 548 Comment
  HSC27213  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  JOTR35294  Krameria grayi Andre, Jim 2012-4-11 20790 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA774499  Krameria grayi Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4421 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
  UC1130217  Krameria grayi H. S. Yates 1936-4-8 5454 Riverside near Fish Springs; Thermal Quad. 60 Comment
  RSA522307  Lactuca serriola Steve Boyd 1989-7-9 3777 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  POM361462  Lagophylla ramosissima Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCD63325  Lamarckia aurea H. M. Reed 1914-4-23 Riverside Box Springs Mts., arroyo to w., near Sanitarium. Comment
  RSA0013708  Lamium amplexicaule LeRoy Gross, Grace Cho 2013-4-9 6005 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  CDA37813  Laportea aestuans Mike Lahti 2012-6-14 PDR# 1590446 Riverside Romoland; Hilsabecks Greenhouse, 28415 Moreland Rd., near Palomar Rd. 0 Comment
  HSC47363  Larrea tridentata R. W. Spjut, C. E. Edson 1978-5-6 5027 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 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
  RSA390015  Larrea tridentata J. C. Roos 1948-5-8 3817 Riverside Whitewater. 549 Comment
  RSA707347  Larrea tridentata Jonathan Snapp-Cook, Kurt Roblek, Kevin Clark, Reas Chavez 2005-6-30 CFW- 11 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune (WGS84/NAD83) 91 Comment
  SEINET4907865  Larrea tridentata H. F. Thut 1971-3-7 s.n. Riverside 10 miles E of Palm Springs. Comment
  UCR102836  Lasthenia coronaria A. C. Sanders 1997-3-26 20098 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR109449  Lasthenia coronaria A. C. Sanders 1995-4-13 16500 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA550486  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2235 Riverside San Jacinto Wildlife approximatly 1km east of Davis Road.the polulation extends from an area 20m. of the old San Jacinto River channel to a large alkaline flat, just west of the 1st wildlife ond and extending to the Horse ranch. 133 Comment
  UCR18611  Lasthenia glabrata subsp. coulteri O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  UCR75965  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-29 2246 Riverside San Jacinto Valley, c. 530 m west of Gilman Springs Rd (State hwy 79), & c. 760 m south of Bold Style Ave. Just NW of the Quail Ranch golf course 435 Comment
  POM13768  Lasthenia gracilis P. A. Munz 1922-4-29 5088 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA33497  Lasthenia gracilis N. C. Cooper 1944-3-24 998 Riverside Banning. 701 Comment
  UCR183008  Lasthenia gracilis Mitch Provance 2003-5-5 4418 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM29619  Lathyrus Marcus E. Jones 1903-5-11 s,n, Riverside Banning. 701 Comment
  RSA802254  Lathyrus vestitus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5000 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA406644  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1947-5-5 2045 Riverside Los Alamos Canyon, Elsinore 762 Comment
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Nov 26 2011
  RSA5013  Lathyrus vestitus subsp. alefeldii Dorothy R. Wolf 1932-3-20 13 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  POM361741  Layia Theodore Payne 1921-6-1 3437 Riverside Banning. Comment
  UCR165607  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA716423  Layia platyglossa Scott D. White 2006-4-27 11309 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC30661  Layia platyglossa W. G. Wright 1889-1-1 1751 Riverside borders Colorado Desert Comment
  UC495299  Layia platyglossa Philip A. Munz 1932-3-24 12022 Riverside n Elsinore 304 Comment
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR239891  Layia platyglossa O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR18612  Lepidium dictyotum var. acutidens O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  UCR76170  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-1 13669 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the 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
  RSA27377  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA429932  Lepidium lasiocarpum Robert L. Dressler 1949-3-19 381 Riverside Box Canyon, Orocopia Mts. Comment
  RSA457763  Lepidium lasiocarpum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2122 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  JOTR28959  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha 2005-3-30 1195 Riverside Joshua Tree National Park. Hexie Mtns/Pinto Basin; next to Fried Liver Wash 544 Comment
  UCR60563  Lepidium latifolium Don Mitchell 1990-1-3 s.n. Riverside Woodcrest, south of Van Buren and west of Washington Comment
  RSA696140  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24053 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  UCR266406  Lepidium nitidum D. E. Bramlet 2011-4-16 4801 Riverside Perris-Aguanga Basin Region, West Hemet Hills, 1.15 km east of Winchester Road, 460 m north of Stowe Road 467 Comment
  RSA429923  Lepidium nitidum var. nitidum Christopher Davidson 1973-4-1 1816 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA653672  Lepidium pinnatifidum A. C. Sanders, K. C. Rose 1999-6-18 22823 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  SBBG101691  Lepidium virginicum S. Boyd with T. Ross 1991-6-14 6361 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR92244  Lepidium virginicum var. pubescens Scott D. White 1995-8-23 3579 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  SD143971  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Box Springs Mountain: Coyote Hill (Benchmark Versity 1386 ft.) and ridge south and southeast of the UCR Botanic Garden 427 Comment
  CAS-BOT-BC329447  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Gavilan Hills Region 2 mi. sw of Ferris 426 Comment
  SEINET10861664  Leptochloa fusca subsp. uninervia Paul M. Peterson 1989-9-22 Peterson 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. Mud flats surrounded by weedy vegetation in a fallow field. 500 Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  SBBG89085  Leptosiphon floribundus subsp. hallii D. Charlton 1988-5-28 2114 Riverside S of St Hwy 74, dirt rd to Toro and Santa Rosa Pk; Toro Camp Area 2286 Comment
  RSA180503  Leptosiphon liniflorus E. W. Lathrop 1959-5-17 4559 Riverside 10 miles W of Murrieta. Comment
  RSA468576  Leptosiphon parviflorus E. C. Jaeger 1921-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat] 1280 Comment
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Nov 5 2011
  RSA525323  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4454 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  POM99002  Lesquerella tenella E. C. Jaeger 1926-4-1 s.n. Riverside Pinto Valley, Eastern Riverside County. Comment
  UC1979611  Lessingia glandulifera var. glandulifera D. L. Banks, Steve Boyd 1995-10-17 0757 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
  UCR18401  Lessingia glandulifera var. glandulifera A. C. Sanders 1978-9-3 0145 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR22022  Linanthus androsaceus Steve Boyd 1980-5-20 291 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  UCR25549  Linanthus androsaceus John C. Roos 1941-4-19 167 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA73683  Linanthus aureus F. W. Peirson 1928-4-23 7887 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  JOTR33750  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2748 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SD231403  Linanthus bigelovii J. Mark Porter, Sarah DeGroot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, about 3 miles north of the intersection with the frontage road of I 10, west of the road on a steep, rocky slope, west of the river. 575 Comment
  SBBG34194  Linanthus dianthiflorus T. L. Secrest 1951-5-19 Riverside from Idyllwild to Hemet Lake Comment
  UCR214286  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37487 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR193131  Linanthus lemmonii A. C. Sanders, Tim Thomas 2008-6-20 35531 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UC52468  Linanthus parviflorus H. M. Hall 1898-4-14 Riverside Elsinore Mts. Comment
  RSA339656  Loeflingia squarrosa R. F. Thorne 1980-5-28 54228 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  JEPS22571  Loeseliastrum schottii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6203 Riverside 9.4 mi. n. Blythe (wash at w. base of Big Maria Mts.); w. base Big Maria Mts. 167 Comment
  SBBG81482  Loeseliastrum schottii S. A. Junak 1983-3-24 1662 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  UCR129334  Loeseliastrum schottii Kimberly Peterson, Micaele Maddison 2001-5-5 501 Riverside Peninsular Range, Pauba Valley north of Pechanga Indian Reservation and east of Temecula, along Temecula Creek 366 Comment
  UCR273660  Logfia filaginoides Mitch Provance 2001-4-19 17016 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  UCR89827  Lolium perenne Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) andc. 0.25 mi south of the San Jacinto River 430 Comment
  UCR23302  Lolium perenne subsp. multiflorum John C. Roos 1952-5-14 5661 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  RSA192222  Lolium perenne subsp. multiflorum E. W. Lathrop 1960-5-6 4792 Riverside 10 miles west of Murrieta. Comment
  RSA557801  Lolium perenne subsp. multiflorum Steve Boyd, Timothy S. Ross 1992-5-4 7173 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA651782  Lolium perenne subsp. multiflorum Karen Cook 1966-5-19 s.n. Riverside UCR campus; east entrance to Life Sci. Bldg. and 30 yds N. of it. 304 Comment
  SEINET251728 Image available Lolium rigidum Walter Graves 2002-5-15 502 -12 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  UCR138816  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-2-17 1283 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UC1979535  Lomatium lucidum Darin L. Banks 1995-4-11 177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. Comment
  UC1375401  Lomatium utriculatum Louis B. Ziegler 1969-5-7 Riverside Hemet Valley near Kenworthy Ranger Station San Jacinto Mountains 1447 Comment
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Mar 25 2011
  SEINET7040184  Lomatium utriculatum A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  RSA192212  Lomatium vaginatum E. W. Lathrop 1965-3-26 4360 Riverside Tenaja Guard Station, 18 mi. W of Elsinore. Comment
  RSA85578  Lomatium vaginatum J. C. Roos 1952-4-2 5455 Riverside At Edgemont near Box Springs. 488 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
  POM17511  Lonicera subspicata var. denudata P. A. Munz 1923-6-18 7128 Riverside Temecula Canyon. Comment
  RSA16379  Lonicera subspicata var. denudata Percy C. Everett 1935-6-17 7140 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  SDSU2935  Lonicera subspicata var. denudata Garrison 1962-7-16 Riverside 3 miles south of Temecula. Highway 395. Cismontane. 335 Comment
  UCR97256  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  SEINET3815175  Lophocereus schottii John L. Anderson, Duncan Bell and Kim Clark 2013-1 Riverside Comment
  UCR90982  Lotus argophyllus Scott D. White 1996-3-16 3824 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA568541  Lotus argophyllus var. argophyllus B. C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. Comment
  RSA0012655  Lotus corniculatus LeRoy Gross, Caitlin Elam 2013-5-14 6082 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA305622  Lotus crassifolius C. W. Tilforth, Walter Wisura 1979-8-8 1899 Riverside 9 mi. south of poppet flat turn-off along highway 243 south of banning, riverside county, ca. 1646 Comment
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Jun 26 2013
  UCR26372  Lotus grandiflorus A. C. Sanders 1981-7-11 2207 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  RSA715069  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 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
  UCR48394  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UC62919  Lotus heermannii H. M. Hall Jun 1901 2022 a Riverside s side Shingle Valley; San Jacinto Mountains 1341 Comment
  UCR77747  Lotus heermannii Steve Boyd 1991-9-8 6424 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  POM19606  Lotus nevadensis var. nevadensis Mary F. Spencer 1923-6-28 2192 Riverside Fern Valley, San Jacinto Mountains 1646 Comment
  RSA406419  Lotus oblongifolius var. oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  UCR159258  Lotus purshianus A. C. Sanders, Kelly Volansky 2005-8-31 31572 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
  UCR175067  Lotus salsuginosus Teresa Nieto 2005-4-24 12 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  JOTR31965  Lotus salsuginosus var. brevivexillus La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2202 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA406831  Lotus salsuginosus var. brevivexillus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCR68619  Lotus salsuginosus var. salsuginosus Steve Boyd, D. E. Bramlet 1990-4-29 4501 Riverside Lake Skinner County Park, SE base of Bachelor Mtn. Comment
  RSA792348  Lotus scoparius var. brevialatus Doris Bowers 1972-4-15 1797 Riverside Dig at Rancho California - N/o camp 396 Comment
  UC729657  Lotus scoparius var. brevialatus Carl B. Wolf 1932-5-25 Riverside just above Fish Hatchery (n base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  CSUSB1248  Lotus strigosus Nancy J. Matthews 1963-5-9 50963 1 Riverside 1 mile northwest of Gilman Hot Springs on Highway 79; along roadside. 457 Comment
  RSA556448  Lotus strigosus Julie Greene 1993-4-30 1282 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  RSA736318  Lotus strigosus Scott D. White, Justin M. Wood 2008-3-25 11774 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UC555413  Lotus strigosus H. L. Mason 1926-4-30 3115 Riverside 1 mi s Temecula; Temecula Canyon Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR16275  Lotus strigosus Steven Wickler 1974-4-21 004 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  UCR18154  Lotus strigosus var. hirtellus A. C. Sanders 1978-4-1 00333 Riverside Santa Rosa Mtns, Pinyon Flats area, east side of Sugarloaf Mountain above Highway 74 1220 Comment
  HSC87268  Lotus strigosus var. tomentellus David Charlton 1988-2-18 1178 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Rd. to Cottonwood Wash, S of Joshua Tree National Park, parallel to Hwy. 10, 5 mi. E of the jct. of Dillon Rd. and Fargo Canyon Rd. 762 Comment
  RSA388393  Lotus unifoliolatus R. F. Thorne, S. D. Boyd, E. W. Lathrop 1985-7-18 61205 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Nov 13 2015
  JEPS29291  Lotus wrangelianus Rimo Bacigalupi, and L. Heckard 1962-3-25 8387 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of the Santa Ana Mountains); Santa Ana Mountains 304 Comment
  CLARK-A1528-666  Ludwigia peploides John C. Roos 1951-9-25 5250 Riverside Riverside 259 Comment
  RSA568836  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  CHSC90499  Lupinus arizonicus J. Lund 1980-4-3 52 Riverside 200 ft south of entrance to Joshua Tree National Monument. 944 Comment
  POM304858  Lupinus arizonicus Henry J. Ramsey 1939-11-28 277 Riverside 20 miles east of Indio. Comment
  UCR143488  Lupinus arizonicus E. K. Balls 1949-4-2 12894 Riverside Sonoran (Colorado) Desert, Hwy 111 between Thermal and [Indio] Arabia Comment
  UCR279541  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-29 43182 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA586506  Lupinus concinnus subsp. concinnus D. L. Banks, S. D. Boyd 1995-5-9 0337 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA125335  Lupinus concinnus subsp. optatus R. Weatherby 1949-6-6 640 Riverside Santa Rosa Mtn. 1982 Comment
  CAS-BOT-BC434236  Lupinus excubitus Tracy Tennant; Mitch Provance 1998-6-16 MOR- 407 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1052 Comment
  SBBG54333  Lupinus excubitus C. Davidson 1977-5-25 5656 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  SD181515  Lupinus excubitus Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa ana Mountains/Santa Rosa Plateau, near Squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. 640 Comment
  RSA39402  Lupinus excubitus var. hallii Theodore Payne 1947-4-25 11703 Riverside Albino colony: on Payne Ranch, Bar-0, 1 mile south of Aguanga. 488 Comment
  RSA516431  Lupinus excubitus var. hallii Walter Wisura, Bart O'Brien, Tom Hayduk 1990-5-2 4439 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  RSA413699  Lupinus hirsutissimus Ora M. Clark 1929-3-16 1685 Riverside South of Cabazon, Colorado Desert. Comment
  SBBG88097  Lupinus hirsutissimus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 167 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn, 1 mi W of Snow Crk Village 487 Comment
  UCR92533  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR110991  Lupinus hyacinthinus George K. Helmkamp 1998-6-27 4124 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UCR25046  Lupinus latifolius A. C. Sanders 1980-7-22 1706 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  RSA90133  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-8-19 18532 Riverside North of Fullermill Co., 1.3 miles north of Black Mt, Truck Trail, hwy from Banning to Idyllwild 1829 Comment
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Jul 14 2012
  SD229157  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-8-28 823 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SD28123  Lupinus latifolius var. parishii Carl B. Wolf 1932-8-5 3951 Riverside San Jacinto Mountains 1st real wet meadow of trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  POM99001  Lupinus microcarpus var. densiflorus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  JEPS24416  Lupinus sparsiflorus Peter M. Ray 1949-3-12 1358 Riverside 2 mi w Whitewater (n side of Coachella Valley); , w of Whitewater 457 Comment
  SEINET3440252 Image available Lupinus sparsiflorus B. Pitzer 1986-4-26 187 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (White-water 7.5'). Comment
  UC16021  Lupinus sparsiflorus H. M. Hall Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  RSA718870  Lupinus sparsiflorus Michael Honer, L. Hulse 2005-3-8 2035 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  RSA414275  Lupinus sparsiflorus subsp. sparsiflorus Ora M. Clark 1929-3-16 1715 Riverside NW Whitewater Comment
  RSA414814  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest 1933-4-17 17604 Riverside Chino Canyon, Colorado Desert. Comment
  JEPS83240  Lupinus truncatus W. L. Jepson 1935-4-21 17156 Riverside Aguauga , branch rd to Pines (near branch rd. to Pines) 603 Comment
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Dec 14 2011
  RSA414402  Lupinus truncatus N. C. Cooper 1946-4-5 2039 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA590648  Lupinus truncatus E. W. Lathrop 1965-5-9 5745 Riverside 6 miles W of Murrieta. Comment
  SDSU12527  Lupinus truncatus Tahirih Linz, M. G. Simpson 2000-4-1 4 Riverside Comment
  JEPS11769  Lycium andersonii W. L. Jepson Oct 22 1912-Nov 7 1912 5240 Riverside Riverside Mts. 45 Comment
  SEINET3077689 Image available Lycium andersonii Alan Chamberlain 1957-3-16 Riverside Peak above streambed in Big Spring Canyon, Box Springs Mountain. 396 Comment
  UCR216213  Lycium andersonii Jim Andre, T. La Doux 2009-2-25 10825 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR712  Lycium andersonii Alan Chamberlain 1957-3-16 s.n. Riverside Riverside, Box Springs Mtns, SSW slope of 2556 ft. peak above streambed in Big Springs Canyon 396 Comment
  RSA428543  Lycium andersonii var. deserticola H. S. Gentry 1949-4-10 8697 Riverside Aguanga. Comment
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May 25 2016
  UC519978  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek Chino Creek; Santa Ana River, Chino Creek 152 Comment
  SD241094  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range: Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Road (Romoland 7.5'Q) 427 Comment
  RSA737262  Machaeranthera asteroides var. asteroides Scott D. White, Justin M. Wood 2008-9-17 12540 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR91882  Machaeranthera canescens A. C. Sanders, Scott D. White, C. L. Sanders 1994-12-18 15897 Riverside San Jacinto Valley, eastern edge of San Jacinto, Mountain Avenue at Esplanade Avenue, 2.4 mi. NW of Hwy 74 on Mountain Ave. 490 Comment
  RSA496120  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3054 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  RSA500088  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3224 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  CAS-BOT-BC230890  Malacothamnus davidsonii Edith A. Purer 1935-4-21 6472 Riverside East slope of San Jacinto Mt. Comment
  SD140083  Malacothamnus densiflorus Scott White 1993-4-22 1240 Riverside North Alberhill Ranch, in hills N of Walker Canyon Comment
  RSA449946  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  JOTR31996  Malacothrix coulteri La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2226 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UC75900  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside vicinity Riverside 487 Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  POM10233  Malacothrix glabrata Charlotte M. Wilder 1904-5-15 125 Riverside North side of Jurupa Hills, NW of Riverside Comment
  RSA760820  Malacothrix glabrata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 111 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UC68990  Malacothrix glabrata H. M. Hall May, 1905 6028 Riverside near Pinto Mts.; Colorado Desert Comment
  RSA160431  Malacothrix saxatilis J. D. Olmsted 1959-4-17 397 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
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Nov 19 2011
  UCSB45543  Malva parviflora Roos, John; Roos, Lucille 1951-5-5 Riverside Fairmont Park, Riverside Comment
  SD146224  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Road, 1.4 mi. S of Eden Hot Spr. 433 Comment
  CLARK-A1528-5195  Marah macrocarpa John C. Roos 1952-3-19 5392 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  RSA441204  Marah macrocarpa Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  RSA522725  Marah macrocarpa Bob Boyd 1990-3-29 3830 Riverside Vail Lake Area, cinder cone ridge at N side of the Mouth of Temecula Creek Cyn and adjacent benches on S flank ofBig Oak Ntb, 396 Comment
  JEPS78484  Marah macrocarpa var. macrocarpa Marjorie D. Clary 1932-3-20 1476 Riverside 10 mi ne Garnet (Mission Creek); Colorado Desert, Mission Creek 457 Comment
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Apr 5 2011
  JEPS46238  Marina parryi H. M. Hall 1905-4-22 5846 Riverside Canyon Spring Colorado Desert Comment
  JOTR29085  Marina parryi La Doux, Tasha 2005-3-30 1202 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UC73150  Marina parryi E. E. Schellenger 1904-12-4 95 Riverside Chuckawalla Bench Colorado Desert Comment
  UCD106740  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside Mule Mts., 20 mi. s.w. of Blythe. Comment
  UCR41537  Matelea parvifolia A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6053 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR155078  Matricaria matricarioides A. C. Sanders, Kelly Volansky 2005-3-17 29228 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CAS-BOT-BC474718  Matricaria occidentalis R. E. Riefner, Jr. 2015-6-3 15 -169 Riverside City of Hemet, ca 100 yds N of W. Devonshire Ave. and Meyers St. 473 Comment
  RSA0126837  Matricaria occidentalis R. E. Riefner Jr. 2017-5-18 17 -257 Riverside City of Hemet, E of Winchester, N of Simpson Road, E of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  UCR140307  Matricaria occidentalis A. C. Sanders 2004-4-9 27476 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  RSA559433  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA683857  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8942 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UC38846  Melica imperfecta H. M. Hall May 1899 1111 Riverside Strawberry Creek; San Jacinto Mountains, San Jacinto Mountain 914 Comment
  UCR101441  Melica imperfecta A. C. Sanders 1997-4-10 20323 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR88174  Melica imperfecta Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  SEINET10559686  Melica imperfecta Frank W. Gould 1943-4-17 Gould 2132 Riverside In small clumps on open rocky slopes; 4 miles east of Elsinore Comment
  UCR22078  Melilotus indicus Steve Boyd 1980-5-3 181 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR80279  Mentha aquatica L. C. Wheeler 1932-9-4 1316 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  CLARK-A1528-5349  Mentha citrata John C. Roos 1951-9-25 5289 Riverside Riverside Comment
  SEINET3094596 Image available Mentzelia Norman C. Cooper 1949-4-8 3345 Riverside Blythe. Comment
  UC672668  Mentzelia affinis H. L. Mason 1928-3-11 4241 Riverside near Indio (desert flats) Comment
  RSA69690  Mentzelia desertorum F. W. Peirson 1922-4-12 751 Riverside along boulevard, 18 mi. southeast of Coachella. Comment
  OBI12516  Mentzelia involucrata P. A. Holden 1969-4-6 708 Riverside Just W of hwy 62 at ft of Morongo Grade 8 mi W of Desert Hot Springs Comment
  RSA0019475  Mentzelia involucrata Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24389 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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 run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA692200  Mentzelia involucrata Scott D. White, Michael Honer 2003-5-14 9301 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  POM14021  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4908 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA440448  Mentzelia jonesii H. M. Hall 1905-05 6002 Riverside Cottonwood Pass. 701 Comment
  RSA92744  Mentzelia micrantha J. C. Roos 1952-5-19 5695 Riverside On hills N of Moreno. 518 Comment
  RSA673507  Mentzelia montana Scott D. White, Bill La Haye 2000-5-27 7962 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR241675  Mercurialis annua O. F. Clarke 2010-4-28 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  SEINET3152207  Mesosphaerum emoryi G. B. Grant 1906-1 776 -6610 Riverside Colorado desert at Palm Springs, southern California Comment
  LA212357  Metrosideros excelsa Lee Haines; 1951-5-20 5150 Riverside Palms to Pines Highway. 1158 Comment
  UCR85567  Microseris douglasii subsp. douglasii Julie A. Greene 1993-4-17 1203 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR225446  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-29 38847 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR230606  Microseris heterocarpa A. C. Sanders, Nathan Moorhatch 2011-3-22 38779 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, 0.61 km east of Hwy 74, south of Ethanac Rd. 503 Comment
  UCR120954A  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 A Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR172232  Microseris lindleyi John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR240652  Microseris lindleyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 402 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR34957  Microseris lindleyi L. B. Ziegler 1969-5-8 354 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  RSA0018782  Mimetanthe pilosa N. C. Cooper 1949-6-29 4333 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  POM8468  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  RSA16511  Mimulus aurantiacus var. pubescens Percy C. Everett 1935-6-17 7147 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  POM8578A  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2280 Riverside Butte west of Lakeview. 610 Comment
  RSA442704  Mimulus aurantiacus var. puniceus E. S. Spalding 1925-6-11 s.n. Riverside Between Elsinore and Temecula. Comment
  SDSU12851  Mimulus aurantiacus var. puniceus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998H Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  UC519885  Mimulus aurantiacus var. puniceus K. Kinsel 1930-4-17 Riverside near Perris Comment
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Nov 8 2011
  JEPS8173  Mimulus bigelovii var. bigelovii Marjorie D. Clary 1932-3-27 1639 Riverside about 10 mi ne Indio; Colorado Desert, Indio Hills 182 Comment
  HSC86250  Mimulus brevipes Jane Hildreth 1981-6-4 28 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  RSA522285  Mimulus brevipes Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3745 Riverside Lake Skinner County Pk, S. base of Bachelor Mtn Comment
  UC26875  Mimulus brevipes H. M. Hall June, 1901 2058 Riverside s side San Jacinto Mountains 1524 Comment
  POM229460  Mimulus diffusus P. A. Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  POM8488  Mimulus diffusus Mary F. Spencer 1921-4-8 362 Riverside Tahquitz trail near Idywilld, San Jacinto Mountains 1829 Comment
  RSA588978  Mimulus diffusus D. E. Bramlet 1995-4-26 2397 Riverside Shipley multi species reserve; Beside (E.) equestrian trail above a large ephemeral wash and approximately 122m SW of Tucalota Creek. The site is 610m north of access road BM 1487. 488 Comment
  RSA650608  Mimulus diffusus R. S. Woglum 1937-5-22 555 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA650917  Mimulus guttatus Sandy Gray 1981-5-15 24 Riverside Hwy 60 - Beaumont. North Cherry Valley to Bogart Park. Comment
  RSA0054840  Mimulus guttatus Keith E. Hoffmaster 1933-4-14 527 Riverside Tahquitz Canyon. Comment
  RSA0030779  Mimulus moschatus Mary F. Spencer 1919-7-3 1288 Riverside Near brook, Idyllwild. Comment
  JOTR34166  Mimulus parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  JEPS9853  Mimulus pilosus Carl V. Meyer 1928-7-26 525 Riverside Hannah's Sawmill San Jacinto Mountains (1/2 mi e of Dutch Flat) Comment
  JOTR32389  Mimulus pilosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2493 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
  RSA376134  Mimulus pilosus Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61278 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  JEPS51438  Minuartia douglasii W. L. Jepson May 17 1901-Jun 1 1901 Riverside Chalk Hill San Jacinto Mountain Comment
  RSA526133  Minuartia douglasii Steve Boyd, Timothy S. Ross 1990-5-11 4646 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA773172  Minuartia douglasii Duncan S. Bell, Valentin Arvizu 2010-5-24 1111 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  JOTR32838  Mirabilis albida La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1548 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UC1463090  Mirabilis laevis var. crassifolia Arthur S. Barclay and Juan Arguelles 1965-3-16 1838 Riverside Along State Highway 76, 2 miles W of junction with U.S. Highway 395 Comment
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Jun 15 2013
  UCR211710  Mirabilis laevis var. crassifolia Fred M. Roberts, Michelle Balk 2006-5-1 6325 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
  JEPS61338  Mirabilis laevis var. retrorsa E. E. Schellenger May 1920 Riverside Canyon E of Coachella, Colorado Desert Comment
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Jun 18 2011
  UCD98205  Mirabilis laevis var. villosa Anne Harrison 1962-4-17 23 Riverside On White-water Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River. Comment
  UCR166532  Mirabilis laevis var. villosa Scott D. White, Brian Leatherman 2005-5-4 11011 Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  RSA651092  Mirabilis multiflora var. pubescens Harold Lint 1958-5-25 2028 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UCR272307  Mirabilis tenuiloba Duncan S. Bell, Sarah J. De Groot, Cheryl Sevilla 2015-2-10 7744 Riverside Santa Rosa Mountains, a narrow unnamed canyon c. 2 air miles south of La Quinta, and c. 5.25 air miles northeast of th summit of Martinez Mountain 232 Comment
  JOTR16851  Mohavea confertiflora Dengler, A. 1966-3-22 40 Riverside Joshua Tree National Park. GOLD PARK 1127 Comment
  RSA683914  Mollugo cerviana Michael Denslow 2003-9-13 1548 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  RSA356611  Mollugo cerviana Robert F. Thorne 1966-10-15 41808 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCSB25307  Monardella australis subsp. australis Gliessman, Stephen 1968-7-11 Riverside Along Deer Springs Trail, 0.7 mile north of Deer Springs, San Jacinto Mountains 2682 Comment
  UC1563131  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3603 Riverside Vail Lake area, Kolb Creek drainage, around N extension of Woodchuck Road, north of Hwy. 79 487 Comment
  RSA401571A  Monardella lanceolata var. lanceolata Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  CLARK-A1045-110  Monardella linoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  CAS-BOT-BC215491  Monardella nana E. McClintock; H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 5 1/2 miles beyond canyon where stream crosses road Comment
  LA96092  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 0.75 mi. beyond the snow gate Comment
  UC2035998  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  RSA750394  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 40 Riverside 1.5 to 2 miles from turn off to Anza Monument, on road to Coyote Canyon. Comment
  SEINET2442171  Monardella nana subsp. arida Unknownnown 1941-6-29 80 Riverside Road up Santa Rosa Mt. 51/2 miles beyond canyon where stream crosses road. Comment
  RSA651653  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA750280  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-29 81 Riverside Santa Rosa Peak 2454 Comment
  UCR221469  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  SEINET10582077  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 43 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  RSA176926  Monardella robisonii Peter H. Raven, David S. Verity 1960-6-5 15495 Riverside Salton View, Joshua Tree National Monument. Comment
  UC485270  Monoptilon bellioides Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UCD134637  Monoptilon bellioides Geoffrey Levin 1976-3-27 692 Riverside Chino Canyon, west of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin drainage area. Colorado Desert. 396 Comment
  UCR163925  Monoptilon bellioides A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29144 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  POM13812  Montia fontana P. A. Munz 1922-5-21 5521 Riverside Hemet Valley, San Jacinto Mts 1387 Comment
  RSA648069  Muhlenbergia asperifolia J. C. Roos 1946-9-14 3002 Riverside Dos Palmas Springs east of Asbestos Mt. 1066 Comment
  UC39903  Muhlenbergia filiformis H. M. Hall July, 1901 2359 Riverside meadows and bogs San Jacinto Mountains, Tauquitz Valley 2438 Comment
  POM8787  Muhlenbergia microsperma P. A. Munz 1920-4-11 3810 Riverside Santa Ana River Canyon. 304 Comment
  RSA0120000  Muhlenbergia microsperma Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9091 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
  SEINET949799  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-1 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north Clinton Keith Rd., vicinity of peak 2279 (Murrieta 7.5' Q). 1900 Comment
  SDSU13936  Muilla maritima Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2127 Riverside Santa Margarita Ecological Reserve (SDSU), southeast region, east of El Valle meadow. 671 Comment
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  SD138817  Myosurus minimus var. apus Craig Reiser Unknown Riverside Hemet; southwestern corner of Florida & Warren Comment
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Mar 24 2011
  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
  RSA0039601  Nama demissa Deidre Conocchioli, Duncan S. Bell 2014-3-4 145 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA124411  Nama demissa Percy C. Everett, E. K. Balls 1958-4-29 9830 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City. 549 Comment
  RSA517920  Nama demissa Steve Boyd, B. Roy, T. S. Elias, S. Zona, S. Meury 1986-3-5 1346 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  UCR23564  Nama demissa John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  RSA0118609  Nama demissa var. demissa Jim M. Andre 2015-3-6 33570 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  UC880831  Nama demissa var. demissa Edmund C. Jaeger 1920-4-1 1078 Riverside Palm Springs Comment
  UCR244320  Nama demissa var. demissa Jim Andre 2012-4-16 20924 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  RSA791930  Nama hispida var. spathulata D. Silverman, Onkar Singh 2010-3-27 7856 Riverside McCoy Wash, north of Palo Verde Mesa, 5.4 km west southwest of Mesaville siding, west of A Canal/Levee Blvd., and ca. 7.6 km north of Blythe Airport. 136 Comment
  SD240927  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7862 Riverside McCoy Wash, N of Palo Verde Mesa, 4.95 km WSW of Mesaville siding, W of A Canal/Levee Blvd., & ca, 6.5 km N of Blythe Airport. 131 Comment
  RSA752114  Nassella cernua Scott D. White, Justin M. Wood 2009-5-21 12838 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCD87909  Nassella cernua Fred M. Reed 1906-3-17 927 Riverside Riverside. Tequesquito Arroyo at end of Chicago Ave. Comment
  RSA736240  Nassella lepida Scott D. White, Jonathan Campbell 2008-4-18 11898 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UCD87922  Nassella lepida F. M. Reed 1926-5-15 5371 Riverside canon on road between Menifee and Mammoth Valley. Comment
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Apr 3 2011
  RSA192229  Nassella pulchra E. W. Lathrop 1960-4-28 4767 Riverside 14 miles west of Murrieta Comment
  RSA749634  Navarretia fossalis Linda Robb, Lisa Allen 2003-6-24 s.n. Riverside 215 Fwy at Newport Rd. Menifee Comment
  CAS-BOT-BC416317  Nemacladus glanduliferus A. C. Sanders; K. C. Rose 1995-4-27 16735 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  RSA668415  Nemacladus glanduliferus var. glanduliferus S. Granger 1979-4-12 s.n. Riverside Pinkham Wash-Cottonwood Mountains foothills. South of Colorado River Aqueduct north of Cactus City. 488 Comment
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May 12 2016
  UCR139139  Nemacladus longiflorus John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UCR25788  Nemacladus ramosissimus John C. Roos 1937-7-11 1507 Riverside Box Springs Mtns, Reche Canyon Comment
  UCR280622  Nemacladus ramosissimus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 14 Riverside Gavilan Hills, Alberhill Canyon, tower site on ridge just west of Lake St., about 1 mile NNW of Lake St. and Walker Canyon Rd. 561 Comment
  UCR281783  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-5 417- 106 Riverside Temescal Valley, Foothills of the Gavilan Range, ridge +- 0.5 miles NNW of Lake St. and Walker Canyon Rd. 543 Comment
  SEINET10461076  Nemacladus ramosissimus Rimo Bacigalupi, Guy T. Robbins 1954-5-16 Bacigalupi 4464 Riverside St. John's Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain 792 Comment
  SD5030  Nemacladus rubescens Edmund C. Jaeger 1926-2-2 Riverside CaA'on Springs, Salt Creek Wash near Dos Palmos. Comment
  RSA0006294  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern Base of Indio Mtn. Colorado Desert. 150 Comment
  UCR50887A  Nemacladus sigmoideus A. C. Sanders 1988-5-11 7813 A Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  SEINET10460969  Nemacladus sigmoideus Wagnon 1944-5-20 WAGNON 387 Riverside Alluvial fan, Tachevah Canyon, Palm Springs Comment
  RSA191997  Nemophila menziesii E. W. Lathrop 1960-3-25 4685 Riverside 14 miles west of Murrieta. Comment
  RSA421339  Nemophila menziesii Ora M. Clark 1929-4-7 2038 Riverside S. Hemet. Comment
  RSA673727  Nemophila menziesii Scott D. White 2000-4-12 7644 Riverside Baldy Mtn. area. 1616 Comment
  UC24227  Nemophila menziesii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  JEPS1891  Nemophila menziesii var. integrifolia W. L. Jepson May 17 1901-June 1, 1901 1288 Riverside Strawberry Valley 1828 Comment
  UCR41845  Nicotiana clevelandii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6088 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA621469  Nicotiana glauca D. L. Banks, Elizabeth H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2168 Riverside NW Palomar Mountains, Agua Tibia Mountains: West of Vail lake at the intersection on Pauba Road and Los Caballos Road. 372 Comment
  RSA777417  Nicotiana obtusifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 782 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA792559  Nicotiana obtusifolia Duncan S. Bell 2012-9-13 4186 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
  SD84925  Nicotiana obtusifolia Walter Zabriskie, Nancy Ryan Zabriskie 1972-3-27 474 Riverside San Jacinto Mountains, North Canyon, Andreas Canyon watershed, east slope 370 Comment
  RSA0018757  Nicotiana obtusifolia Jack Rempel 1932-11-13 16111 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  SBBG120594  Nicotiana quadrivalvis A. C. Sanders 2006-5-19 32426 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  UCR35273  Nicotiana quadrivalvis L. B. Ziegler 1967-11-7 261 Riverside San Jacinto Mtns., Poppet Flats area 915 Comment
  CDA38122  Oenothera californica T. C. Fuller 1958-9-23 2196 Riverside 3 miles east of Anza. 0 Comment
  SEINET7072842  Oenothera californica A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  JOTR16763  Oenothera californica subsp. avita Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1341 Comment
  SD48535  Oenothera deltoides P. C. Everett, E. K. Balls 1958-4-29 23025 Riverside 5.3 miles northeast along road from Desert Center to Rice and Vidal Junction. 800 Comment
  POM355584  Oenothera deltoides subsp. deltoides E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  RSA75413  Oenothera deltoides subsp. deltoides F. W. Peirson 1918-03 779 Riverside Irrigated field near Indio. Comment
  CDA38178  Oenothera pallida T. C. Fuller 1958-9-23 2195 Riverside 3 miles east of Anza. 0 Comment
  SDSU13604  Olea europaea W. Miller, C. Mosse 1972-7-20 Riverside Along northern road, southwest of Shwanigan Ranch. Comment
  RSA0027578  Olneya tesota Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 32 Riverside At Corn Springs Campground. Comment
  SD148226  Oncosiphon piluliferum A. C. Sanders, Mirch Provance and T. B. Salvato 2001-5-8 24209 Riverside Val Verde, between Moreno Valley and Perris; along I-215, 0.9 mile south of Oleander Ave. at south end of Patterson Ave. 456 Comment
  SEINET11261874  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave.; 0 415 Comment
  CAS-BOT-BC56829  Opuntia chlorotica Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA592684  Opuntia chlorotica Scott D. White, Duayne Haselfeld 1996-7-2 4268 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD167377  Opuntia littoralis Scott D. White 1994-6-23 2101 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, ca. 1 mile east of Skunk Hollow; Bachelor Mountain 7.5' quad. 395 Comment
  RSA508241  Opuntia parryi E. W. Lathrop 1977-7-13 7688 Riverside Bedford Truck trail of the Cleveland National Forest. At base of Bedford Canyon. Trabuco District. 457 Comment
  RSA527149  Opuntia parryi Marc Baker, R. Johnson 1990-5-20 7839 Riverside southeast of Bernasconi Hills. 451 Comment
  POM157914  Orcuttia californica P. A. Munz 1927-5-20 10804 Riverside Murrieta Hot Springs. Comment
  SD28121  Oreostemma alpigenum var. andersonii Carl B. Wolf 1932-8-5 3953 Riverside San Jacinto Mountains, On trail from Tahquitz Valley to San Jacinto Peak. 2745 Comment
  RSA0042859  Orobanche cooperi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6262 Riverside Orocopia Mountains; southern/central section of range; approximately 0.75 air mile northwest of Gucci Spring. 483 Comment
  UCR216208  Orobanche cooperi Jim Andre, T. La Doux 2009-2-25 10828 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR263229  Orobanche fasciculata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41461 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA0006072  Orobanche ludoviciana var. latiloba P. A. Munz, D. D. Keck 1922-4-13 4960 Riverside South base of Eagle Mtns. Comment
  UCR21126  Orobanche parishii subsp. parishii A. C. Sanders, K. Berg 1979-10-27 946 Riverside San Jacinto Mtns., James Reserve along a trail near the weather station 1646 Comment
  RSA583617  Osmorhiza brachypoda Steve Boyd, Darin Banks 1995-3-30 8412 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA0012063  Oxytheca caryophylloides Steve Boyd, Gary D. Wallace 2005-7-30 11653 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  POM263144  Oxytheca emarginata J. C. Roos 1941-5-10 126 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  RSA597530  Oxytheca emarginata Louis C. Wheeler 1960-5-7 7685 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  POM157924  Oxytheca trilobata P. A. Munz 1927-5-21 10847 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  CLARK-A1703-1219  Paeonia brownii Charlotte Stocks 1964-5-1 Riverside Temecula Comment
  UCR176269  Paeonia californica Teresa Nieto 2005-4-14 04 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
  CAS-BOT-BC327939  Palafoxia arida J. Von Loh 1978-1-23 3307 A Riverside Palo Verde Mesa, 12 mi W of Blythe 121 Comment
  SBBG65761  Palafoxia arida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR248433  Palafoxia arida Duncan S. Bell 2012-2-12 3126 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
  JOTR28879  Palafoxia arida var. arida La Doux, Tasha 2004-2-24 1114 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA779200  Palafoxia arida var. arida J. Andre 2011-2-9 15937 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UC1069987  Palafoxia arida var. arida H. S. Yates 1937-3-23 6433 Riverside Painted Canyon Thermal Quadrangle Comment
  UC1551913  Palafoxia arida var. arida David Charlton 1988-2-18 1123 Riverside Fargo Canyon Road 1 mi e jct Dillon Rd. (to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10); S side of Little San Bernardino Mtns. 609 Comment
  UCR214561  Palafoxia arida var. arida A. C. Sanders 2010-3-15 37411 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCSB9697  Palafoxia arida var. arida Leeuwen, Henry 1957-4-13 Riverside On shoulder of Cal. Hwy. 195 about 10 miles west of U.S. 60 Comment
  VVC695  Palafoxia arida var. arida P. J. MacKay, T. Thomas 1997-2-8 100 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  RSA612688  Papaver californicum D. L. Banks 1997-3-29 1610 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
  UCR177118  Papaver californicum Bill Wagner 1994-5-11 s.n. Riverside Black Mountain, c. 4 miles NNE of Lake Skinner 915 Comment
  CAS-BOT-BC413427  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
  POM14163  Parietaria hespera var. hespera Philip A. Munz, D. D. Keck 1922-4-9 4783 Riverside Vicinity of Corn Springs, Chuckwalla Mountain, Colorado Desert. 457 Comment
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Apr 5 2011
  UCR162569  Parietaria hespera var. hespera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  HSC24930  Parkinsonia aculeata L. Zuckerman 1967-5-21 34 Riverside 12 mi. NNW of Indio at Thousand Palms Oasis in Indio Hills 457 Comment
  UCR261190  Parkinsonia aculeata A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41720 Riverside Esinore, large vacant lot NW of Hwy 74 and SW of the intersection of 74 and Collier Ave. 386 Comment
  UCSB18152  Parkinsonia florida Easley, Bill 1964-5-10 Riverside State Highway 71, 4.1 miles S of Palm Desert 304 Comment
  RSA600665  Paspalum dilatatum L. C. Wheeler 1949-8-24 6752 a Riverside Riverside. Comment
  RSA795233  Pectis papposa Justin M. Wood, Dustin Ray 2010-10-1 2772 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  SEINET2054024 Image available Pectis papposa var. papposa E. R. Blakley 1963-9-18 6182 Riverside 2.7 miles west of Desert Center. 312 Comment
  UCD134919  Pectis papposa var. papposa F. D. Parker 1965-10-18 s.n. Riverside Interstate Highway 10, 18.5 miles west of Blythe. Comment
  UCR250571  Pectocarya anisocarpa A. C. Sanders 2014-4-18 41036 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. near Horsethief Canyon Road, east of Horsethief Canyon Wash and site of old DePalma's Italian Village Restaurant 381 Comment
  SEINET10456235  Pectocarya heterocarpa David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3702 Riverside Pushawalla; growing in a wash, Indio Hills, Colorado Desert. Comment
  CSUSB746  Pectocarya linearis Frank Aubrey 1959-4-12 Riverside 150 feet west of pond northeast of Webber Hall on UCR (University of California, Riverside) campus. 304 Comment
  RSA673717  Pectocarya penicillata Scott D. White, W. LaHaye 2000-5-27 7925 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR102944  Pectocarya platycarpa George K. Helmkamp 1998-4-4 3137 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  JOTR30141  Pectocarya recurvata La Doux, Tasha 2008-2-4 1707 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  SD224883  Pectocarya recurvata A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15919 Riverside Colorado Desert: Coachella Valley, alluvial fan below the Little San Bernadino Mtns., Fargo Canyon Rd. 1.35 mi. E of Dillon Rd. 98 Comment
  UCR281223  Pectocarya recurvata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 48 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  UCR42930  Pectocarya recurvata D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  LA209456  Pedicularis densiflora L. Street; M. Munger, G. Williams 1919-3-25 2327 Riverside Beaumont 609 Comment
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Mar 20 2014
  POM6881  Pedicularis densiflora Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2327 Riverside Beaumont. 610 Comment
  POM90995  Pedicularis densiflora E. C. Jaeger 1922-12-22 s.n. Riverside Aguanga. Comment
  IRVC3139  Pellaea andromedifolia R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  SBBG35234  Pellaea andromedifolia T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR194239  Pellaea andromedifolia Mitch Provance, Michael L. Fugate 2005-4-14 10053 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  UCR174376  Pellaea mucronata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32624 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UC1874931  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2003-4-25 1151 Riverside Along Hwy 243, between Idylwild and Banning, 9 road mi from Banning 1341 Comment
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Jul 6 2010
  JEPS20693  Pellaea mucronata var. mucronata Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6206 -A Riverside ca. 2 mi w of Ribbonwood (above CA Hwy 74 (Palms to Pines)); San Bernardino Nat'l Forest, sw base Santa Rosa Mts 1371 Comment
  CAS-BOT-BC310321  Pennisetum setaceum Duncan S. Bell; John Anderson; Keir Morse 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  RSA494644  Penstemon centranthifolius B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  RSA502508  Penstemon centranthifolius Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3558 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA710222  Penstemon centranthifolius N. C. Cooper 1944-7-15 1580 Riverside Palms to Pine Hwy 1463 Comment
  CHSC1884  Penstemon pseudospectabilis V. Holt 1942-3-28 Riverside Blythe. 80 Comment
  POM4262  Penstemon spectabilis H. M. Hall 1902-04 2923 Riverside Vicinity of Riverside 366 Comment
  RSA503397  Penstemon spectabilis J. D. Olmsted 1962-5-9 3603 Riverside NW grove of knobcone pines. NW ridge of Pleasants Peak. Northern Santa Ana Mts. 1128 Comment
  NY661185  Penstemon spectabilis var. spectabilis H. K. Sharsmith 1954-7-7 4445 Riverside On highway between Banning and Idlewild, near Fuller Creek, San Bernardino National Forest. 1828.8 Comment
  UC399569  Pentagramma glanduloviscida F. M. Reed 1917-8-19 3771 Riverside Palm Canyon; Colorado Desert Comment
  RSA0070724  Pentagramma triangularis E. W. Lathrop 1968-5-22 6921 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC71581  Pentagramma triangularis subsp. maxonii D. A. Johansen; J. A. Ewan 1932-4-11 7069 Riverside Ravine at mouth of Tahquitz Canyon, Western Colorado Desert Comment
  LA29292  Peritoma arborea var. angustata Mary V. Hood; 1946-12-13 46- 89 k* Riverside Palm Springs Station 152 Comment
  SD127618  Perityle emoryi David Charlton 1988-2-18 1121 Riverside South side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree, 1 mile east of junct Dillon Road 609 Comment
  UC1546630  Perityle emoryi Barry A. Prigge 1988-2-21 7859 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UC1595790  Perityle emoryi W. Wisura, J. Dolan, and M. Wall 1992-3-24 4640 Riverside 5.6 mi s of I-10 on rd to Corn Spring Comment
  UCR103554  Perityle emoryi George K. Helmkamp 1998-1-17 2539 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCSB9816  Perityle emoryi Beeks, Richard 1952-4-4 Riverside Seven miles above Mecca in Box Canyon Comment
  SEINET10908392  Perityle emoryi David B. Dunn, Howard Brown 1947-1-12 Dunn 2844 Riverside Pushawalla Canyon, Indio Hills. Comment
  JOTR35180  Persicaria lapathifolia Harding, Mitzi, T. Herskovits 2011-9-14 162 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  UCD13372  Persicaria lapathifolia Patricia Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. Comment
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Nov 20 2011
  RSA445162  Petalonyx thurberi Jack Rempel 1932-11-13 16122 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  LA49849  Petalonyx thurberi subsp. thurberi Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  SFV17212  Petalonyx thurberi subsp. thurberi J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UC872592  Petalonyx thurberi subsp. thurberi Lewis S. Rose 1938-12-19 38324 Riverside 6 mi. s. Cathedral City 45 Comment
  POM39594  Peucephyllum schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA5169  Peucephyllum schottii C. B. Wolf 1932-4-26 2980 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  RSA651687  Peucephyllum schottii Viki Cruz 1983-5-8 002 *k Riverside Collected on a rocky hillside of the North facing slope just inside Magnesia Canyon,Santa Rosa Mountains. Comment
  SD44850  Peucephyllum schottii Darley F. Howe 1952-4-5 2146 Riverside 12 miles south of highway east of Mecca along All American Canal Comment
  JOTR32956  Phacelia affinis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2706 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  RSA554212  Phacelia ambigua Theo Glenn 1991-4-9 91 -4 Riverside Big wash in Eagle Mountains 787 Comment
  UCR156466  Phacelia brachyloba T. B. Salvato, A. C. Sanders 2005-5-17 894 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
  SBBG28099  Phacelia campanularia D. Myrick 1964-4-30 828 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UCR35123  Phacelia campanularia L. B. Ziegler 1973-5-2 506 Riverside San Jacinto Mountains, Near Hwy 74, 0.25 to 1 mi. below Pinyon Flats 1189 Comment
  UCSB52572  Phacelia campanularia Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  SD260054  Phacelia campanularia subsp. vasiformis J. Andre 2012-4-11 20781 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  RSA727871  Phacelia crenulata var. ambigua Naomi S. Fraga, Lisa Rojas 2005-2-10 1361 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SD215565  Phacelia crenulata var. ambigua W. Wisura, J. Dolan and M. Wall 1992-3-24 4619 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UC68752  Phacelia crenulata var. ambigua H. M. Hall May 1905 5897 Riverside Chuckawalla Springs Colorado Desert Comment
  POM118674  Phacelia distans Marcus E. Jones 1924-7-22 s.n. Riverside Desert Center. Comment
  RSA192000  Phacelia distans E. W. Lathrop 1959-4-16 4467 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA678360  Phacelia distans Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10495 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA800054  Phacelia distans Jim Andre 2012-3-19 21318 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC489020  Phacelia distans C. V. Meyer 1929-6-13 753 Riverside Chalk Hill San Jacinto Mts. 1371 Comment
  UC494555  Phacelia distans Philip A. Munz 1932-3-14 11973 Riverside along wash of Deep Canyon Coachella Valley 91 Comment
  UC1228377  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 767 Riverside along CA route 74 about 1 mi w Idyllwild junction 1402 Comment
  UC974998  Phacelia minor Rimo Bacigalupi and J. F. MacBride 1952-3-30 3552 Riverside along US 395 2.6 mi n Murrieta (w-facing hillslope between Wildomar and Murrieta, sw Riverside Co.) Comment
  UCR275197  Phacelia minor T. B. Salvato, Gregg Miller 2005-6-7 1451 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  UCR87625  Phacelia minor A. C. Sanders 1994-5-30 14601 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA134093  Phacelia mutabilis L. R. Heckard 1956-6-28 769 Riverside Between Tahquitz Valley and Little Tahquitz Valley. 2317 Comment
  RSA0057752  Philadelphus microphyllus var. stramineus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon, up from end of trail, w. slope San Jacinto Mts. 2607 Comment
  RSA489619  Phlox austromontana D. Charlton 1988-5-28 2113 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCR237873  Phlox gracilis Mark A. Elvin 2003-3-26 2365 A Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  UC2030089  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  HSC83021  Pholistoma membranaceum N. M. Fellows 1985-3-16 111 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  POM91318  Pholistoma membranaceum E. C. Jaeger 1925-12-20 s.n. Riverside Eagle Canyon, 5 miles E of Palm Springs Comment
  RSA15520  Phoradendron californicum L. S. Rose 1935-12-19 s.n. Riverside Palm Springs. 138 Comment
  SEINET7048058  Phoradendron californicum Steven R. Hill 2001-4-29 33535 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
  RSA0036080  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palms Can., Coachella Valley Comment
  UCR91925  Phoradendron densum George K. Helmkamp, E. A. Helmkamp 1995-11-16 6- 01 Riverside San Jacinto Mtns., Pinyon Pines Camp beside Hwy 74 1235 Comment
  UCR178009  Phoradendron villosum T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 607 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR50420  Phoradendron villosum L. F. LaPre, S. J. Myers 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  RSA0026182  Phoradendron villosum John F. Emmel 1997-8-3 1521 Riverside San Jacinto Mts.; Garner Valley; ridgetop 1.1-1.2 air miles north of junction Hwy. 74 and Morris Ranch Road. 1402 Comment
  POM305653  Physalis crassifolia Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1013 Riverside Aguanga. Comment
  RSA388056  Physalis crassifolia Steve D. Boyd 1985-12-25 1200 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor. Comment
  RSA700972  Physalis crassifolia Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG44461  Physalis crassifolia W. B. Holt 1941-10-23 21 -1941 Riverside few mi E of Pinto Basin Comment
  SD247517  Physalis crassifolia A. C. Sanders, Jim Malusa 2015-9-10 41858 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi. SE of its junction with Summit Road, in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  SD82817  Physalis crassifolia Norman C. Cooper 1944-4-8 1059 Riverside Andreas Canyon, floor of canyon 305 Comment
  UCR260294  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  RSA357156  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  RSA543873  Pilularia americana Steve Boyd, Dave Bramlet 1991-5-13 6226 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR60764  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  MACF019838  Pinus X attenuradiata Robert Myers 1974-5-6 32 Riverside Clevland National Forest, in the Penny Pine Forest by El Cariso campground off Hwy 74. Collected in experimental hybrid area Comment
  RSA220955  Pinus coulteri E. W. Lathrop 1966-3-23 6115 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA0077533  Pinus lambertiana G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC78896  Pinus monophylla Jas. I. Vale 1977-3-8 s.n. Riverside [Hi-way] Highway 371 between Aguanga + Pines to Palms [Hiway] Highway Comment
  JEPS48429  Pinus monophylla W. L. Jepson 1914-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Colorado Desert, Pinyon Well Canyon Comment
  UCR46610  Pinus monophylla Dennis E. Kucera 1987-2-16 s.n. Riverside SE Mojave Desert, Coxcomb Mtns, near VABM Aqua, N end of range 1280 Comment
  CAS-BOT-BC79093  Pinus quadrifolia Ellsworth Bethel 1918-5-21 s.n. Riverside [Nigger] Negro Jim Hill, Palomar Mts., 35 mi. e. of San Jacinto Comment
  HSC90098  Pinus quadrifolia Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-15 15 Riverside San Bernardino National Forest, 0.4 mi. N of S boundary on Hwy. 371 1159 Comment
  RSA263777  Piperia cooperi R. Weatherby 1950-4-20 3055 Riverside Hagador Canyon 396 Comment
  UCR157968  Piperia cooperi Michael A. Patten 1992-4-23 s.n. Riverside Peninsular Range, c. 5 km SE of Temecula, just north of Pechanga Indian Reservation in Redhawk housing tract, SE end of Wolf Valley 396 Comment
  UCR145964  Piptatherum miliaceum June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR263233  Plagiobothrys arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41457 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  POM146288  Plagiobothrys canescens J. B. Feudge 1927-4-12 1752 Riverside Lake Elsinore 381 Comment
  UCR171912  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  RSA180396  Plagiobothrys canescens var. canescens E. W. Lathrop 1965-3-30 5600 Riverside 14 miles W of Murrieta. Comment
  POM9561  Plagiobothrys collinus var. californicus I. M. Munz, Harwood 1920-2-28 3234 Riverside 2 mi SE of Corona 274 Comment
  RSA593879  Plagiobothrys collinus var. fulvescens Steve Boyd, Dave Bramlet 1996-4-19 8621 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR201477  Plagiobothrys collinus var. fulvescens Scott D. White, Justin M. Wood 2008-6-18 12243 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  POM12986  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-19 5417 Riverside Hemet Valley, San Jacinto Mts. 1418 Comment
  UC1608292  Plagiobothrys fulvus Steve Boyd and Tim Ross 1992-5-5 7247 Riverside grassland area s Oak Flats (sw of Bluewater Trail); southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR244859  Plagiobothrys jonesii Jim Andre 2012-3-19 21380 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR140451  Plagiobothrys leptocladus A. C. Sanders, Guy Bruyea 2004-4-2 27419 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA614631  Plagiobothrys nothofulvus D. L. Banks 1997-3-29 1565 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
  SEINET7063023  Plagiobothrys nothofulvus A. G. Vestal 1962-3-29 s.n. Riverside Canyon south of Murrieta. Northeast side of the Santa Ana Mountains. UTM Zone 11, 483500mE, 3701101mN. (WGS84/NAD83). 256 Comment
  SEINET7073341  Plagiobothrys nothofulvus A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR171975  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  POM9664  Plagiobothrys nothofulvus P. A. Munz, Harwood 1920-2-28 3251 Riverside 3 miles west of Corona 335 Comment
  SD132299  Plagiobothrys tenellus A. C. Sanders, Ken Berg and M. Skinner 1990-4-15 10019 Riverside 2.0 miles northnortheast of Sage, Red Mountain Road, 0.25 mile east of County Road R3. Comment
  SD137833  Plagiobothrys tenellus Darin L. Banks, Steve Boyd 1995-5-9 407 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, The Dorland Mountain area. 733 Comment
  UCR193289  Plagiobothrys tenellus A. C. Sanders, Tim Thomas 2008-6-20 35549 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR91881  Plagiobothrys tenellus A. C. Sanders, O. F. Clarke 1996-4-13 18036 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  SBBG54322  Plagiobothrys undulatus C. Davidson 1977-5-25 5641 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA192037  Plantago erecta E. W. Lathrop 1959-3-26 4377 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  UCR121679  Plantago erecta Ian G. Gillespie, Abby Sirulnik 2000-5-7 38 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR18533  Plantago lanceolata A. C. Sanders 1978-6-11 478 Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  CLARK-A1528-697  Plantago major John C. Roos 1951-9-25 5274 Riverside Riverside 259 Comment
  SEINET10869830  Plantago ovata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 30 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  SEINET9171798  Plantago ovata G. C. Wheeler, J. Wheeler 1969-4-19 s.n. Riverside Deep Canyon Desert Research Area. Comment
  CLARK-A1528-698  Platanus racemosa Rand Ch. Isbell 1970-5-14 3 Riverside Box Springs 365 Comment
  RSA785717  Platanus racemosa Doris Bowers 1972-4-15 1829 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  SEINET6084766  Platanus racemosa Unknown 2007-6-22 Riverside SE of Hemet, Bautista Canyon. Ca 4 road mi SE of jct. of Bautista Canyon Road and Fairview Ave. Comment
  RSA586844  Platystemon californicus D. L. Banks, Peter Morrell 1995-5-4 311 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 732 Comment
  SBBG123195  Plecostachys serpyllifolia R. E. Riefner 2008-12-16 08 -369 Riverside Pechanga Parkway at Pechanga Resort Drive; Temecula 338 Comment
  RSA192099  Plectritis ciliosa subsp. insignis E. W. Lathrop 1965-4-4 5618 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC489042  Plectritis ciliosa subsp. insignis C. V. Meyer Jun 1927 156 Riverside San Jacinto Mountains, Saunders Meadow Saunder's Meadow; San Jacinto Mountains, Saunders Meadow 1676 Comment
  UC218137  Pleuraphis rigida P. A. Munz and R. D. Harwood 1920-4-2 3584 Riverside Blythe Junc. 365 Comment
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May 28 2011
  UC818427  Pleuraphis rigida I. W. Clokey and B. C. Templeton 1930-4-9 4679 Riverside n Palm Springs; Colorado Desert, n of Palm Springs 170 Comment
  RSA772056  Pluchea sericea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4621 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR130873  Pluchea sericea A. C. Sanders, K. C. Rose 1999-5-28 22793 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  UCR80005  Pluchea sericea Scott D. White 1992-9-2 768 Riverside San Jacinto Valley, Vicinity of Gilman Hot Spirngs, north side of San Jacinto River, and a thin strip tending north of the river & west of the Hot Springs. 451 Comment
  UC69338  Poa H. M. Hall 1899-5-22 1137 Riverside Johnston's Ranch 1524 Comment
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Mar 27 2016
  UC39534  Poa annua H. M. Hall May 1898 1172 Riverside El Toro Mt; San Jacinto Mts 2133 Comment
  UCR125473  Poa annua A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25685 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  RSA92436  Poa bigelovii F. W. Peirson 1921-3-22 2392 Riverside Murray Canyon near Palm Springs. 457 Comment
  UCR18504  Poa bulbosa A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  IRVC26840  Poa pratensis subsp. pratensis S. D. White 1997-5-18 5163 Riverside Vista Grande Area: just W of USFS Vista Grande Fire Station (Hwy 243 ca. 10 road miles SE of Banning). San Jacinto Mtns. 1494 Comment
  RSA525256  Poa secunda Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4568 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  JEPS50569  Polygonum argyrocoleon W. L. Jepson 1927-4-14 11711 Riverside Oasis station Santa Rosa Mts. Comment
  UC454281  Polygonum bistortoides I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UC6661  Polygonum bistortoides H. M. Hall 1901-7-5 2358 Riverside Tauquitz Valley San Jacinto Mts. (meadows and bogs) 2438 Comment
  POM224746  Polygonum lapathifolium P. A. Munz 1935-10-21 14653 Riverside Santa Ana River, below Rincon. Comment
  RSA500161  Polygonum lapathifolium Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3640 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR156357  Polygonum lapathifolium T. B. Salvato, Kent Beaman 2005-5-16 868 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
  RSA689956  Polypodium hesperium Robert Kessler 1927-1 98 Riverside N. Side Tahquitz Peak. San Jacinto Mts. 2591 Comment
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Feb 28 2011
  UCR239207  Polypogon australis Steven R. Hill 2001-4-29 33527 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR2720  Polypogon australis F. M. Reed 1906-5-5 973 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  CLARK-A1528-4841  Polypogon monspeliensis John C. Roos 1952-4-23 5576 Riverside Box Springs Mountain 457 Comment
  CLARK-A1528-87  Polypogon monspeliensis Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  CSUSB468  Polypogon monspeliensis Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  UCD91347  Polypogon monspeliensis E. W. Lathrop 1964-9-13 5417 Riverside 8 miles west of Murrieta. Loma Linda University Herbarium. 548 Comment
  IRVC163  Polystichum imbricans subsp. curtum Brad Newman 1965-4-24 HS 546 Riverside Idyllwild. Peninsular Ranges, San Jacinto Mountains Comment
  RSA763062  Polystichum imbricans subsp. curtum E. W. Lathrop 1973-6-28 7444 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  CAS-BOT-BC102607  Populus fremontii D. A. Johansen; J. A. Ewan 1932-4-10 7051 Riverside Warners Ranch at Whitewater, Western Colorado Desert Comment
  POM319093  Populus fremontii Patricia Wilder 1971-3-20 4873 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  POM360760  Populus fremontii M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 588 Comment
  RSA5075  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Along the Colorado River near the Blythe Bridge. 91 Comment
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Mar 26 2011
  UCR119418  Populus fremontii Mitch Provance 1998-6-24 712 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  JEPS64528  Populus fremontii subsp. fremontii S. B. Parish 1913-3-1 8470 Riverside Cult. at Railway station Indio Indio (Salton Basin); Salton Basin -6 Comment
  HSC25126  Porophyllum gracile Richard Spjut 1972-2-12 2190 Riverside Colorado River: N base and face of the Chuckawalla Mtns., ca. 3 to 4 mi. S of Desert Center 305 Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 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
  RSA198980  Potamogeton foliosus Robert F. Thorne 1968-5-8 37593 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  CAS-BOT-BC540419  Potentilla gracilis var. fastigiata E. C. Van Dyke 1828-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC540422  Potentilla gracilis var. fastigiata H. M. Hall 1901-6-1 2296 Riverside San Jacinto Mountains, in the vicinity of Strawberry Valley 1615 Comment
  UCR211500  Proboscidea althaeifolia Jim Andre, T. La Doux 2008-9-13 10267 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along dirt road c. 2 mi. north of Desert Center, 0.5 mi. west of Tamarisk Golf Course/Kaiser Road jct. 234 Comment
  UCR275139  Prosopis glandulosa var. torreyana David Fraker, Aaron C. Sedgwick 2012-4-5 078 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  CAS-BOT-BC216513  Prosopis pubescens John Thomas Howell 1927-8-1 2879 Riverside J Cross K Ranch, N Colorado Desert, Bottom of Mission Creek 609 Comment
  RSA294430  Prunus fremontii Lyman D. Benson, Robert Benson 1952-3-23 14842 Riverside Mountainsides above Cathedral City on the Palms-to-Pines Highway. Mt. Range San Jacinto. 701 Comment
  UC472699  Prunus fremontii M. F. Spencer 1918-4-1 Riverside Colardo Desert, Andreas Canyon Andreas Canyon; Colardo Desert, Andreas Canyon 100 Comment
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Jul 10 2009
  RSA16512  Prunus ilicifolia Percy C. Everett 1935-6-17 7146 Riverside Coldwater Canyon Trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  SD72238  Prunus ilicifolia R. S. Woglum 1934-3-18 631 Riverside Snow Creek, north slope Mt. San Jacinto Comment
  RSA29756  Psathyrotes ramosissima Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA773115  Psathyrotes ramosissima Thomas Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 723 Riverside Coachella Valley Preserve. Ca 0.25 mile E of road. Site no. 3. 305 Comment
  SBBG100841  Psathyrotes ramosissima W. L. Halvorson 1977-3-8 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC566663  Psathyrotes ramosissima H. L. Mason 1928-3-10 4224 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  RSA5011  Pseudognaphalium biolettii C. B. Wolf 1932-3-20 11 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UCR92399  Pseudognaphalium biolettii F. M. Reed 1903-3-10 214 Riverside South Coast; San Bernardino Valley, W base of Box Spring Mtns. 366 Comment
  UCR116994  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2001-5-3 24103 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CAS-BOT-BC353642  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside Gruendike's Well on Mecca-Blythe Road Comment
  CAS-BOT-BC353646  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside 2 miles SE of Salton Bench Mark, Colorado Desert -67 Comment
  HSC101260  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  JOTR35985  Psorothamnus emoryi Harding, Mitzi, Mark Wheeler 2012-9-4 196 Riverside Joshua Tree National Park. Pinto Basin; north end of sand ramps west of Pinto Mtn; fine sand ramps and dunes (stop 2) 516 Comment
  UCR244915  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  CAS-BOT-BC340833  Psorothamnus polydenius J. Cole 1942-5-19 965 Riverside Road to Ruby Lee Mine, 2 miles west of junction with road from Pinto Basin to Twentynine Palms, Joshua Tree National Monument 914 Comment
  JEPS41629  Psorothamnus schottii Mary Beal 1939-10-25 714 Riverside Palm Springs area , Palm Springs area (Mojave Desert) Comment
  RSA404254  Psorothamnus schottii Anstruther Davidson 1979-4-4 7690 Riverside Orocopia Mts. Lower End of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
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Mar 15 2013
  UCR16201  Psorothamnus schottii B. A. Carlson 1978-4-17 s.n. Riverside Western Colorado Desert, E of Desert Hot Springs, Jct of Dillon Road and Berdoo Canyon Road Comment
  UCR16202  Psorothamnus schottii S. Nelson 1974-4-13 s.n. Riverside Western Colorado Desert, Deep Canyon, near gate to Deep Canyon Reserve 152 Comment
  POM22365  Psorothamnus spinosus Marjorie D. Clary 1929-10 s.n. Riverside Coachella Valley Comment
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Jul 24 2010
  RSA605773  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns, near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  UCSB10491  Psorothamnus spinosus Ralph, F. 1959-5-17 Riverside Along side Hwy. 74 between Palm Desert and Cathedral City, 0.3 miles east of Cathedral City limits 152 Comment
  SEINET951769  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  UCR241126  Pteridium aquilinum Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 500 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UC812707  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  HSC82996  Pterostegia drymarioides N. M. Fellows, A. C. Sanders 1985-4-9 125 Riverside Oasis de los Osos TNC Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., 1 mi. W of Snow Creek Village 489 Comment
  RSA543741  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6035 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
  UCR107392  Pterostegia drymarioides B. G. Pitzer 1997-3-23 2973 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  VVC419  Pterostegia drymarioides A. C. Sanders, J. Mac 1997-5-4 20630 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR121302  Punica granatum A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25020 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  RSA0106805  Quercus Jeremiah George 2012-8-7 70812 -1 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR273999  Quercus Mitch Provance 2012-9-11 17621 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCD47712  Quercus X acutidens John M. Tucker 1941-5-30 262 Riverside Ortega summit, Highway 74, Riverside County, California. 812 Comment
  JEPS20059  Quercus X morehus Carl V. Meyer 1929-11-25 Riverside Saunder's Meadow Mt. San Jacinto Comment
  UCSB7049  Quercus X morehus Riverside Banning Road, Mt. San Jacinto 1432 Comment
  CLARK-A1528-4984  Quercus agrifolia J. B. Feudge 1930-4-4 2134 Riverside 701 Comment
  RSA710402  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31561 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  JEPS37471  Quercus berberidifolia Frank Thornton 1903-1 Riverside Mt. San Jacinto Comment
  RSA479914  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  SD254630  Quercus berberidifolia Mitch Provance 2012-1-25 17378 Riverside Badlands of Western Riverside County; San Timoteo Canyon, SW end along SCE powerline access road between El Casco Substation and Hwy 60. 654 Comment
  SEINET3102123  Quercus berberidifolia Marc A. Baker 2011-10-1 17465 Riverside Ribbonwood, north end of the Santa Rosa Mountains, 2.9km WSW of where Highway 74 crosses Omstoff Creek at the upper reaches of Palm Canyon, 30km south of Palm Springs, granite and schist gravel, rocks, silt, and sand. 1308 Comment
  UCR264637  Quercus berberidifolia Mitch Provance 2012-4-27 412- 22 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR2936  Quercus berberidifolia Wm. Horn Jr. 1963-4-20 630420- 01 Riverside Santa Ana Mtns., [Santa Rosa Plateau, on Tenaja Road west of] Murrieta, 100 yards east of dirt road to Tenaja Ranger Station, 2.2 miles west of Santa Rosa Ranch gate. 'c. 1400 ft. 549 Comment
  LA46440  Quercus chrysolepis W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR209403  Quercus cornelius-mulleri G. F. Pratt 2009-9-27 s.n. Riverside Peninsular Range, 6 miles south of Anza, Terwilliger Valley, eastern slope of Iron Spring Mountain 1264 Comment
  RSA597057  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1160 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCR66549  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside 0.5 mi. south of Sage 716 Comment
  CSUSB833  Quercus kelloggii D. T. Wright 1966-5-15 Riverside San Jacinto Mountains 0.9 miles north of Banning- Idyllwild Road on Black Mountain Road, San Jacinto Mountains. Comment
  SBBG58953  Quercus kelloggii J. E. Butner 1948-10-3 660 Riverside 1 mi above Fern Valley, end of rd Comment
  UCR99864  Quercus palmeri Scott D. White 1996-12-26 4648 Riverside San Jacinto Mtns, Bautista Canyon, along Bautista Canyon. Road, near junction with Tripp Flats Road 1174 Comment
  UC219579  Quercus wislizeni P. A. Munz 1922-6-30 5907 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  RSA288004  Quercus wislizeni var. frutescens C. W. Tilforth, Walter Wisura 1979-11-10 1920 Riverside 2 miles W of Hwy 74 along Thomas Mtn Road. 1 mile south of Lake Hemet, Garner Valley. Comment
  RSA701404  Rafinesquia californica Steve Boyd, Aydee Virgen 2004-4-13 10889 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA357783  Rafinesquia neomexicana R. F. Thorne, M. Z. Thorne 1973-3-30 42670 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA472422  Rafinesquia neomexicana N. Cooper 1949-4-8 3281 Riverside Shavers Summit east of Indio 610 Comment
  UCR272449  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 014 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  SEINET1909588  Ranunculaceae A. C. Sanders 2004-1 27558 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CAS-BOT-BC158118  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mtns. E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UC1931082  Ranunculus sceleratus Scott D. White, Justin Wood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  SEINET13946317 Image available Rhamnus crocea Scott D. White 1996-1 3872 Riverside Bundy Cyn, SE of Lk Elsinore. About 1 road mile (-+0.2 mi) E. of Bundy Cyn Rd exit from 1-15 freeway; USGS Lake Elsinore 7.5'topo map. +- 40 ft. S of rd along mapped intermittent blueline stream [Quercus agrifolia riparian woodland w Salis Laevihata, Platamus racemosa] and adjacent N-and W-facing slopes covered by mixed chaparral and coastal sage scrub spp. 450 Comment
  UC1929602  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
  SD10085  Rhamnus ilicifolia Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  POM15198  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1922-6-24 1166 Riverside Tahquitz trail prope [near] Idyllwild. 1585 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
  UCR96912  Rhus laurina G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, west of Arnold Heights & west of the highway 470 Comment
  SEINET5569815  Rhus ovata H. S. Gentry 1954-1 14245 Riverside Northwest of Aguanga, along road to Sage. Comment
  UC195328  Rhus trilobata S. B. Parish 1906-5-13 10839 Riverside Cottenwood Spring; Colorado Desert Comment
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Sep 4 2011
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  CAS-BOT-BC108720  Ribes cereum Philip A. Munz 1937-5-30 15142 Riverside Santa Rosa Peak. 2438 Comment
  UC11510  Ribes cereum H. M. Hall July, 1901 2353 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  CLARK-A1528-6880  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  SEINET10923984  Ribes indecorum Greg Gust, Leith Nye 2005-3-12 Gust 553 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  UC1127321 Image available Ribes indecorum A. E. Wieslander 1929-2-23 42 Riverside Morris Ranch San Jacinto Quadrangle, Indian Canyon 792 Comment
  UCR178148  Ribes indecorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1020 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCR3196  Ribes indecorum Chuck Elliott 1964-3-3 s.n. Riverside Peninsular Range, [Two Trees Canyon, Box Springs Mtns.] 0.25 mi past Two Trees Road and Belvedere 366 Comment
  UCR93091  Ribes indecorum Scott D. White 1995-12-24 3800 Riverside Lakeview Mtns, c. 7 road mi. SE of Davis Road - Ramona Expressway intersection 671 Comment
  RSA0022088  Ribes montigenum E. C. Jaeger 1921-6-19 5444 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  CAS-BOT-BC219232  Ribes nevadense Jennifer H. Jones; Thi (Teresa) Bui; Holly Summers 2006-5-31 354 Riverside Parking lot and stream below parking lot on CA Highway 243 across road from Lake Fulmor, San Jacinto Mountains 1616 Comment
  SD73422  Ribes nevadense Russell S. Woglum 1937-5-22 580 Riverside Santa Rosa Mountains. Comment
  SEINET9754141 Image available Ribes nevadense Sharon J. McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  RSA0088969  Ricinus communis R. G. Swinney 1967-5-26 11741 Riverside Snow Creek. 335 Comment
  POM264  Romneya coulteri P. A. Munz 1918-4-27 2146 Riverside Temescal Canyon. Comment
  RSA34604  Romneya coulteri N. C. Cooper 1944-6-4 1327 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR213473  Romneya trichocalyx A. C. Sanders 2010-5-19 38414 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  POM17512  Rosa californica Philip A. Munz 1923-6-18 7126 Riverside Temecula Canyon. Comment
  UC64525  Rubus parviflorus H. M. Hall 1897-6-17 673 Riverside San Jacinto Mountains 1615 Comment
  UCR268070  Rumex D. E. Bramlet 2005-4-22 3824 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  JOTR29521  Rumex crispus La Doux, Tasha, Mike Bell 2006-9-6 1579 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1301 Comment
  UCR20969  Rumex dentatus A. C. Sanders, Steve Boyd 1980-5-19 1474 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR45196  Rumex obtusifolius A. C. Sanders 1986-5-10 6498 Riverside Western Colorado Desert, Coachella Valley, mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 mi south of Mecca -70 Comment
  RSA708174  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR137048  Rumex salicifolius A. C. Sanders 2004-5-5 27765 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
  UC980087  Ruppia cirrhosa D. F. Howe 1952-8-10 Riverside Lake Elsinore Comment
  CDA40959  Salazaria mexicana G. D. Barbe, J. L. Johnson 1982-11-2 4022 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  HSC14317  Salazaria mexicana C. L. Hitchcock, C. V. Muhlick 1964-3-22 23249 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  CAS-BOT-BC103891  Salix exigua 1932-4-12 s.n. Riverside unspecified Comment
  JEPS38440  Salix exigua S. B. Parish 1888-5-20 2040 Riverside near Riverside (Santa Ana River) Comment
  UCR225575  Salix exigua A. C. Sanders 2011-3-29 38858 Riverside Peninsular Range; Perris-Aguanga Basin Region, canyon in hills between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  UCR97690  Salix exigua A. C. Sanders, G. Helmkamp 1997-3-15 19967 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UC506446  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-19 7677 Riverside Comment
  CAS-BOT-BC108110  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  LA208657  Salix gooddingii Philip A. Munz; 1932-3-24 12032 Riverside N of Elsinore 304 Comment
  POM180410  Salix gooddingii E. C. Jaeger 1931-10-1 s.n. Riverside Stubbe Springs, near Keyes Ranch. Comment
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May 29 2011
  POM182037  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Overflow land back of Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
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Mar 26 2011
  POM184883  Salix gooddingii Carl. W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert. Comment
  SEINET244839  Salix gooddingii A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-16 24971 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  RSA596146  Salix laevigata D. L. Banks 1996-11-7 1194 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 473 Comment
  CAS-BOT-BC128446  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 6373 Riverside Mt. San Gorgonio, Vivian Canyon 2286 Comment
  UCR11306  Salix lucida subsp. lasiandra O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UCR201981  Salsola paulsenii Karin Cleary-Rose 1997-1 s.n Riverside Sonoran (Colorado) Desert, Coachella Valley, six mile segment of Jefferson St. in La Quinta and Indio, between Indio Blvd. and Ave. 54 10 Comment
  UCR52073  Saltugilia australis D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR59497  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3521 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC232921  Saltugilia latimeri Ynez Whilton Winblad 1937-3-16 s.n. Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive and Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  JOTR30236  Saltugilia latimeri Leary, C. and Leary, Pat 1979-5-5 3002 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  JEPS29479  Salvia apiana Lauramay T. Dempster 1962-4-17 1892 Riverside about 1 mi below Fish Hatchery, Whitewater Canyon; Whitewater Canyon Comment
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Apr 6 2008
  RSA761129  Salvia carduacea Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-31 115 Riverside PCT Trail. W of Whitewater. 869 Comment
  RSA175251  Salvia columbariae Robert F. Thorne 1963-3-29 32435 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 534 Comment
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Apr 24 2011
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  UC1124712  Salvia columbariae A. Lewis Mar 1934 326 Riverside Bedford Canyon; Corona Quad. 335 Comment
  UCR174625  Salvia columbariae Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 107 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCSB44881  Salvia columbariae Collins, Elizabeth 1977-3-30 Riverside Corn Springs Campground; 8 miles south of Hwy. 10; base of Chuckwalla Mts 457 Comment
  CAS-BOT-BC221085  Salvia eremostachya Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  SD20328  Salvia eremostachya A. L. Haines, L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay. Comment
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Dec 17 2011
  JEPS16866  Salvia greatae Marjorie D. Clary 1938-4-17 2844 Riverside n of Salton Sea (bajada at base of Orocopia Mts); Orocopia Mts. 243 Comment
  RSA45224  Salvia greatae L. Roos 1949-4-6 4154 Riverside Mouth of rocky canyon, south foot Chocolate Mtns., north of Pope. 91 Comment
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May 26 2015
  RSA434133  Salvia mellifera N. C. Cooper 1944-5-19 1292 Riverside Banning. 701 Comment
  RSA651275  Salvia mellifera A. Mayor, T. Strid 1973-4-20 s.n. Riverside Railroad Canyon Road. [West of Sun City] Comment
  UCR20748  Salvia mellifera A. C. Sanders, Steve Boyd 1980-5-2 01451 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR90981  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  CAS-BOT-BC224868  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1676 Comment
  RSA5254  Sambucus caerulea C. B. Wolf 1932-8-6 3991 Riverside Strawberry Valley, at base of Devil s slide Trail to Tahquitz Valley. Alt. 5600 ft. 1707 Comment
  SEINET7048155  Sambucus caerulea Steven R. Hill 2001-5-3 33656 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR116779  Sambucus mexicana A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24168 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA0037337  Sambucus mexicana Bob Rogers 1984-4-21 11 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  UCR268291  Sambucus nigra subsp. caerulea Jim Andre 2012-6-15 30530 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR14547  Samolus parviflorus O. F. Clarke, Jeanine Derby 1974-8-8 s.n. Riverside Peninsular Range, SW of Temecula in Walker Basin, Rancho California Property 427 Comment
  UCR151362  Sanicula arguta D. L. Banks, V. W. Steinmann 1997-3-13 1425 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR138650  Sanicula crassicaulis D. L. Banks 1997-3-29 1641 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego Co. line 482 Comment
  POM13832  Sanicula tuberosa P. A. Munz 1922-4-28 5038 Riverside Leach Canyon, Santa Ana Mountains 701 Comment
  UCR102864  Sanicula tuberosa A. C. Sanders 1997-4-3 20150 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR103743  Sanicula tuberosa D. E. Bramlet 1990-3-31 1941 Riverside Perris Valley, Lakeview Mountains, c. 2.75 km NW of Juniper Flat Rd & 1.5 km NW of Tyron Ave. 701 Comment
  HSC86140  Sarcodes sanguinea B. Freeman 1969-6-12 6906121 Riverside San Jacinto Mtns. University of California James Reserve. Near stream S of lodge Comment
  JEPS27436  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-22 1393 a Riverside Palm Canyon of Mt. San Jacinto; , Palm Canyon Comment
  JOTR30681  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2008-9-13 10263 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  UC1080460  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1958-4-29 23029 Riverside 24.6 mi. n.e. from Desert Center (on rd. to Rice and Vidal Junction) 487 Comment
  RSA674759  Schedonorus arundinaceus Scott D. White, Teresa Salvato 2001-6-8 8571 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA650259  Schinus molle Bennie Finnell 1948-4-21 s.n. Riverside Found on any street in Corona. 213 Comment
  UCR125278  Schinus terebinthifolius A. C. Sanders 2003-1-18 25666 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Sunnyslope Channel near confluence with Santa Ana River 220 Comment
  RSA0042170  Schismus arabicus Duncan S. Bell, Evan Meyer 2014-4-2 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR20770  Schismus arabicus A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1291 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-BC243455  Schismus barbatus Ira L. Wiggins 1966-2-22 20463 Riverside Along Highway 60, 1.5 mi. SE of Garnet Hill Comment
  RSA600399  Schismus barbatus V. W. Steinmann 1996-4-13 828 Riverside Just east of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  UCR213278  Schismus barbatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37691 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  SD187304  Schoenoplectus americanus Scott D. White, Angelia Carey 2004-5-7 10352 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR241793  Schoenoplectus californicus A. C. Sanders 2013-4-16 40796 Riverside Peninsular Range; SE Gavilan Hills, SCE power line crossing of the San Jacinto River, south of Perris, 2.9 km SW of the intersection of Goetz & Ethanac roads 429 Comment
  RSA162800  Schoenoplectus maritimus J. D. Olmsted 1959-9-23 1021 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  SDSU12971  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA575967  Scirpus acutus var. occidentalis Steve Boyd 1980-9-16 s.n. Riverside Gavilan Hills region, north base of the range, west of Lake Mathews along Cajalco Road about 1 mile west of La Sierra Avenue. 366 Comment
  RSA68298  Scrophularia californica subsp. floribunda Verne Grant, Alva Grant 1951-6-4 16011 Riverside 2 mi. s. of Temecula on Hwy 395 335 Comment
  RSA740788  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12414 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SD234902  Scutellaria bolanderi subsp. austromontana A. C. Sanders, T. Thomas, T. B. Salvato 2008-6-25 35626 Riverside Peninsular Range; San Jacinto Mtns.: Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek. 1584 Comment
  UCR193884  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35803 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA5220  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 3907 Riverside Point View near Idyllwild. 1646 Comment
  UC25788  Scutellaria siphocampyloides Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA559460  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7207 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR213681  Secale cereale Justin M. Wood 2009-5-11 701 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 N on Valley Hi Dr., from intersection w/ Twin Pines Rd. 1201 Comment
  UCR228856  Secale cereale A. C. Sanders, T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA683701  Selaginella bigelovii P. J. Remple 1942-3-2 s.n. Riverside Whitewater Canyon. Comment
  RSA683766  Selaginella bigelovii Meryl B. Dunkle 1934-2-19 3841 Riverside San Juan Canyon. 610 Comment
  SDSU7434  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 99 Comment
  RSA613236  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  UC1563104  Senecio californicus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3103 Riverside dried bed of man-made pond and adjacent slopes at n base of rounded knob 1.25 mi wsw dam; Vail Lake area 609 Comment
  RSA586726  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-5-17 0448 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  JOTR37489  Senecio flaccidus var. monoensis Hodges, Stephen R. 2016-5-1 618 Riverside Joshua Tree National Park. Cottonwood Mountains, south of the springs area Comment
  LA203935  Senecio flaccidus var. monoensis C. L. Hitchcock; 1940-4-5 5964 Riverside 3 mi. below Cottonwood Springs Comment
  RSA0025284  Senecio mohavensis J. Andre 2013-3-4 23874 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UCR213264  Senecio mohavensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37452 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA522715  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3901 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
  UCR97666  Senecio vulgaris A. C. Sanders, G. Helmkamp 1997-3-15 19949 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  UC484160  Senna armata B. D. Stark 1930-5-25 Riverside Chuckawalla Valley Colorado Desert, Chuckawalla Valley Comment
  UC1026580  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside corner Iowa Ave. & 8th. St. e. of Riverside 304 Comment
  SBBG59138  Setaria viridis M. N. Ackley -Apr-1928 58 Riverside Snow Crk, Mt San Jacinto 518 Comment
  RSA579291  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6781 Riverside Santa Ana Mountains, Elsinore Peak south of Lake Elsinore, in clay soil area southwest of the summit. 1073 Comment
  CSUSB813  Sidalcea malviflora Kirk Taylor 1976-5-23 Riverside Mesa de Colorado; 9 miles west of Murrieta, on Tenaja Road. 548 Comment
  CAS-BOT-BC109421  Sidotheca emarginata Peter H. Raven 1958-5-18 13002 Riverside Pinon Flats, San Jacinto Mountains. Comment
  CAS-BOT-BC434381  Sidotheca trilobata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA751422  Silene antirrhina A. C. Sanders, Tim Thomas 2008-6-20 35546 Riverside May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UC55875  Silene antirrhina H. M. Hall April 1902 2966 Riverside vicinity Riverside; vicinity of Riverside 457 Comment
  UCR174309  Silene gallica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32643 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SBBG71665  Silene verecunda R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  POM12851  Silene verecunda subsp. platyota P. A. Munz 1922-6-27 5844 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  SEINET6418776 Image available Simmondsia chinensis Annie M. Alexander, Louise Kellogg 1941-1 2159 Riverside EAgle Mountains, road to Black Eagle Mine 777 Comment
  UC1130463  Simmondsia chinensis H. S. Yates 1937-3-24 6458 Riverside Deep Canyon; Thermal Quadrangle, Deep Canyon Comment
  UC869416  Simmondsia chinensis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UCR51936  Simmondsia chinensis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2110 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR279076  Sisymbrium erysimoides Arlee Montalvo, Chris McDonald 2017-3-4 673 Riverside Peninsular Range, Riverside, Sycamore Canyon Wilderness Park, south of Central Ave. and visitor center 366 Comment
  UCR199680  Sisymbrium officinale Scott D. White 2008-4-28 11912 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  UCR241633  Sisymbrium orientale T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 344 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA612780  Sisyrinchium bellum Darin L. Banks, Victor Steinmann 1997-3-13 1422 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
  RSA782532  Solanum O. F. Clarke 2004-6-1 s.n. Riverside Riverside; UCR Botanical Garden 340 Comment
  RSA629021  Solanum americanum Scott D. White 1998-6-28 6789 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR246422  Solanum elaeagnifolium S. J. Myers 2013-10-10 s.n. Riverside Perris-Aguanga Basin Region, Moreno Valley, intersection of Kitching St. and Globe St., between Perris Blvd. and Lake Perris, N of Ramona Expressway 447 Comment
  CAS-BOT-BC231747  Solanum lanceolatum A. C. Sanders; O. F. Clarke; R. Allert 1984-7-18 5110 Riverside Riverside, in a vacant field northeast of the intersection of Tyler and Cypress Avenue 304 Comment
  SD181321  Solanum parishii Scott D. White, Sandy Leatherman 2000-4-19 7671 Riverside Santa Rosa Plateau; Near Squaw Mountain. 640 Comment
  SD181322  Solanum parishii Scott D. White 2000-5-3 7759 Riverside Temecula area, near Wolf Valley. Along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision 351 Comment
  UCR207276  Solanum rostratum O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM184167  Solanum umbelliferum Philip A. Munz 1932-3-24 12030 Riverside North of Lake Elsinore. 305 Comment
  RSA707983  Solanum umbelliferum Scott D. White, Angelia Carey 2004-5-7 10344 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC917797  Solanum umbelliferum Frank W. Gould 1943-4-17 2116 Riverside 12 mi s of Corona Comment
  UCR2849  Solanum xanti Vivian Manns 1963-3-22 630322- 2 Riverside Box Springs Mtns., 1/2 mi east of end of Big Springs Road 427 Comment
  UCR163794  Solidago californica John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NNW of Squaw Mountain near the Cleveland Nat. Forest boundary 732 Comment
  UC1211962  Solidago velutina subsp. californica Otto T. Solbrig 1958-8-19 2772 Riverside on road to Idyllwild one half mi w Keen Camp; San Jacinto Mountains Comment
  SEINET10615380  Sonchus oleraceus David B. Dunn, A. Folsom 1948-6-17 Dunn 3795 Riverside At quad 1. At camp in Pushawalla canyon under palms. Indio Hills, Colorado Desert. Comment
  CSUSB1169  Sorghum halepense Debbie Vigneault 1974-7-17 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Bridge. 259 Comment
  UCR269902  Spergularia D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3659 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
  UCR111064  Spergularia marina D. E. Bramlet 1992-4-29 2242 Riverside San Jacinto Valley, San Jacinto Nuevo Y Potrero; c. 823 m west of Gilman Springs Road (Hwy 79), just NW of the Quail Ranch golf course; and c. 460 m south of Bold Style Ave. 436 Comment
  RSA0098508  Spergularia marina Julie Greene 1993-4-30 1279 a Riverside San Jacinto Wildlife Area. South of visitor center road and north of the old San Jacinto River drainage. 433 Comment
  CDA25222  Spergularia platensis A. C. Sanders 1993-4-5 13682 Riverside San Jacinto Valley; W edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) Comment
  RSA0098384  Spergularia platensis A. C. Sanders 1993-4-5 13682 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UCR18402  Spergularia rubra A. C. Sanders 1978-4-20 00273 Riverside San Jacinto Mountains, James Reserve, around the old cabins 1646 Comment
  CHSC1063  Sphaeralcea ambigua E. Thomas 1940-5-26 Riverside Murrietta. Comment
  CSUSB613  Sphaeralcea ambigua Glen W. Forister 1967-3-23 Riverside Snow Creek Canyon, about 1/4 mile past Snow Creek Village on very rocky alluvial fan. 396 Comment
  JEPS67331  Sphaeralcea ambigua subsp. rugosa Marjorie D. Clary 1932-4-3 786 Riverside 15 mi w of Indio (Colorado Desert, Santa Rosa Mountains, Deep Canyon); Colorado Desert, Santa Rosa Mountains, Deep Canyon 304 Comment
  POM12652  Sphenosciadium capitellatum P. A. Munz 1922-9-6 6390 Riverside Meadow N of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  UCR110926  Sporobolus airoides A. C. Sanders, K. C. Rose 1999-6-18 22819 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR167800  Stachys ajugoides T. B. Salvato, Melissa Clemons 2005-6-23 1304 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA511056  Stachys stebbinsii Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA588174  Stachys stebbinsii D. L. Banks, Victor W. Steinmann 1995-7-10 744 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
  JEPS53901  Stanleya pinnata W. L. Jepson 1928-4-23 12560 Riverside wash 2 mi below Cottonwood Spring; Eagle Mountains, wash below Cottonwood Spring 518 Comment
  UC1608237  Stebbinsoseris heterocarpa Steve Boyd 1992-4-14 6819 Riverside western edge Oak Flats area along Bluewater Trail from Verdugo Trail s to crest of ridge w side Bluewater Canyon (San Mateo Cyn Wilderness Area, Santa Ana Mtns); Santa Ana Mtns, San Mateo Cyn Wilderness Area, western edge 731 Comment
  CAS-BOT-BC393996  Stellaria nitens Steve Boyd 1986-3-9 1400 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsetheif Wash 365 Comment
  UCR48509  Stellaria nitens Steve Boyd 1986-4-2 1611 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SD136894  Stephanomeria diegensis Steve Boyd 1994-10-14 8397 Riverside Southern Santa Ana Mountains, San Mateo Canyon along San Mateo Trail between north branch of Tenaja Trail and Fisherman's Camp. 430 Comment
  SFV17211  Stephanomeria exigua J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UCR4741  Stephanomeria exigua Frank C. Vasek 1960-3-24 600324- 05 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  CAS-BOT-BC375540  Stephanomeria exigua subsp. exigua S. B. Parish; W. F. Parish 1881-4-1 199 Riverside Agua Caliente Comment
  RSA338177  Stephanomeria exigua subsp. exigua R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53585 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SD148176  Stillingia linearifolia A. C. Sanders, T. B. Salvato 2001-5-3 24085 Riverside Perris-Aguanga Basin region; Hemet, southeast corner of State Street at Givvel. 494 Comment
  UC667323  Stillingia linearifolia Annie M. Alexander and Louise Kellogg 1941-5-26 2240 Riverside Monsen Canyon Eagle Mountains 914 Comment
  UCD142283  Stillingia linearifolia Robert F. Thorne; Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54017 Riverside San Bernardino Mts: S and E-facing at mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 414 Comment
  UCR233700  Stillingia linearifolia Duncan S. Bell 2010-5-1 890 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 10.5 air miles SW of Rice, c. 2.6 air miles S of the junction of Hwy 62 and the aqueduct access road 291 Comment
  UCR43452  Stillingia linearifolia R. F. Thorne, L. M. Shultz, R. K. Benjamin, J. Hogge, et al. 1980-4-16 54017 Riverside San Bernardino Mtns., Slopes, S and E facing at mouth of Whitewater Canyon, c. 1/4 mile west of Whitewater P.O. and 1/2 mi west of Whitewater River 415 Comment
  RSA763988  Stillingia spinulosa Justin M. Wood, D. M. Ray 2010-10-21 2993 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  CAS-BOT-BC221875  Stipa capensis A. C. Sanders; Giles Wailes; Mitch Provance; T. B. Salvato; et al 2000-4-15 23321 Riverside Coachella Valley: Chino Canyon, foothills of the San Jacinto Mtns., along the road to the Palm Springs Tram 1.5 miles above Hwy 111 366 Comment
  HSC79624  Stipa coronata Paul Bailey 1972-5-14 124 Riverside 5 mi. NE of Temecula near Rancho Calif. Dr., Tucalota Hills 457 Comment
  UCR25382  Stipa coronata John C. Roos 1947-5-10 3613 Riverside Peninsular Range, Console Springs, north of Sunnymead 671 Comment
  RSA0127854  Stipa hymenoides G. Rink 2013-3-22 11912 Riverside About twelve miles west of Blythe, along the power line for the proposed Quartzite solar power plant, NE of the power transfer station. 145 Comment
  UCR104081  Stipa lepida A. C. Sanders 1997-3-19 20043 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR121102  Stipa lepida A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24953 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR140715  Stipa lepida A. C. Sanders 2004-4-9 27452 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR23301  Stipa lepida John C. Roos, L. Roos 1952-5-19 5691 Riverside North of Moreno 518 Comment
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May 20 2011
  UCR26657  Stipa pulchra E. W. Lathrop 1966-5-26 6346 Riverside Santa Ana Mtns., Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  CAS-BOT-BC61012  Streptanthella longirostris P. A. Munz 1919-3-25 2308 Riverside Whitewater. 304 Comment
  POM143  Streptanthella longirostris S. B. Parish 1913-2-7 8444 Riverside Mecca, Colorado Desert Comment
  UC310289  Streptanthus bernardinus Marcus E. Jones, A. M. 1926-6-20 Riverside 12 mi n Idyllwild Comment
  CAS-BOT-BC61272  Streptanthus campestris Philip A. Munz 1937-5-31 15099 Riverside At Anza Tablet near head of Coyote Canyon, southwest Riverside County. 1066 Comment
  CLARK-A1528-300  Stylocline gnaphaloides Oscar F. Clarke 1952-4-17 Riverside Riverside 396 Comment
  UCR281208  Stylocline gnaphaloides Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 34 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  JEPS20729  Stylocline intertexta Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13324 Riverside U.S. Highway 95, 11.3 mi n Blythe; in wash arising in Big Maria Mountains Comment
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Nov 26 2016
  RSA475293A  Stylocline intertexta Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2107 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  RSA0120558  Suaeda nigra Duncan S. Bell, Thomas Stoughton 2016-3-16 8942 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  SD137813  Symphoricarpos albus var. laevigatus Darin L. Banks, Steve Boyd 1995-5-17 472 Riverside Agua Tibia Mountains; Northwest Palomar Mountains; north facer of Agua Tibia Mountain, east of the Dripping Springs Alcove area. 700 Comment
  RSA170442  Symphoricarpos mollis J. D. Olmsted 1959-4-30 507 Riverside Beacon Pines Ranch; 9 miles SW of Corona, Santa Ana River Drainage Area. 808 Comment
  UC469029  Symphyotrichum lanceolatum var. hesperium Fred M. Reed 1907-10-20 1980 Riverside Columbia Ave. near Spanishtown Road. Comment
  RSA554219  Tamarix ramosissima A. C. Sanders, Chet McGaugh 1991-7-19 11146 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa and N of Calle del Lago 348 Comment
  UCR72700  Tamarix ramosissima A. C. Sanders, O. F. Clarke 1991-6-10 11137 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  POM308428  Taraxacum officinale Henry J. Ramsey, Henry J. Ramsey 1938-4-23 3071 Riverside Near Lake Hemet Comment
  RSA788241  Tauschia arguta L. M. Prince, Duncan Bell 2009-6-17 569 Riverside Cleveland National Forest. Comment
  UCR104168  Tauschia arguta Scott D. White 1997-5-25 5244 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
  HSC27616  Tetracoccus hallii R. W. Spjut 1973-5-2 3339 Riverside Colorado Desert; ca. 5 mi. S of Hwy. 10 and ca. 8 mi. E of Desert Center on road to Corn Spring, Chuckwalla Mts. 305 Comment
  UCSB10954  Tetracoccus hallii Dearing, Hugh; Dearing, Margaret 1949-4-19 Riverside Near Cottonwood Springs Comment
  CAS-BOT-BC340045  Tetradymia comosa Marcus E. Jones 1900-7-13 6417 Riverside Dripping Spring, near Temecula 365 Comment
  HSC6280  Tetradymia comosa D. W. Snell 1964-3-28 38 Riverside 1 1/2 mi. E of Hwy. 79. 5 mi. S of Hemet Comment
  UCR120180  Tetradymia comosa Mitch Provance 1998-3-5 191 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CAS-BOT-BC399651  Thalictrum fendleri H. M. Hall 1901-7-1 2497 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2529 Comment
  OBI74463  Thalictrum fendleri David J. Keil 1983-4-15 16898 Riverside E of Temecula on SR 79 Comment
  UC854456  Thalictrum fendleri C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill; Mt. San Jacinto Comment
  RSA0018971  Thalictrum fendleri Mary F. Spencer 1923-9-1 2259 Riverside Strawberry Valley. San Jacinto Mt. 1646 Comment
  RSA0023964  Thalictrum fendleri var. fendleri Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SD136773  Thalictrum fendleri var. polycarpum Steve Boyd 1992-4-14 6797 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Along Verdugo Trail from Tenaja Tr. To Bluewater Tr. in upper watershed of Bluewater Cyn, S of Sitton Pk. 792 Comment
  RSA162748  Thalictrum sparsiflorum J. D. Olmsted 1959-7-1 725 Riverside Deer Springs along trail to San Jacinto Peak N of Idyllwild. San Jacinto Mts, N Fork of San Jacinto River. 2591 Comment
  UC1329964  Thamnosma montana James E. Cole 1941-4-2 459 Riverside Joshua Tree National Monument, Split Rock Split Rock; Joshua Tree National Monument, Split Rock Comment
  UCD166281  Thamnosma montana Jack Major 1962-4-18 795 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC472862  Thymophylla pentachaeta var. belenidium M. F. Spencer Riverside Colorado Desert to Arizona. Idyllwild, San Jacinto Mountains, California. Comment
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Sep 17 2011
  RSA78801  Thysanocarpus curvipes P. A. Munz 1952-4-15 17338 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  RSA614286  Thysanocarpus curvipes var. curvipes D. L. Banks, V. W. Steinmann 1997-3-13 1522 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR139042  Thysanocarpus curvipes var. curvipes D. L. Banks 1997-3-6 1393 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  RSA0041845  Thysanocarpus curvipes var. curvipes Steve Boyd, Darin Banks 1994-4-5 8256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR112965  Thysanocarpus laciniatus B. G. Pitzer 1998-3-1 3558 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UC1076215  Tidestromia oblongifolia Frank W. Peirson 1924-12-30 5416 Riverside 1000 Palm Canyon 121 Comment
  POM368513  Tiquilia palmeri Robert L. Dressler 1949-3-19 408 Riverside Box Canyon, Orocopia Mts. Comment
  RSA73962  Tiquilia palmeri Alice Yates, Jas E. Wilcox 1952-4-4 s.n. Riverside Along American Canal between Mecca and Desert Hot Spring. Comment
  SD145985  Tiquilia palmeri A. C. Sanders, T. B. Salvato 2000-4-27 23377 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave. 60 14 Comment
  SEINET3084123 Image available Tiquilia palmeri Norman C. Cooper 1949-4-8 3967 Riverside Mecca Pass east of Indio. Comment
  UCR23580  Tiquilia palmeri John C. Roos 1949-3-19 4111 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash near Mecca Comment
  UCD121041  Tiquilia plicata G. H. Vansell 1928-4-1 s.n. Riverside Coachella Valley. Comment
  SD181728  Torilis arvensis Scott D. White 2001-6-22 8598 Riverside Corona: Bajada below the Santa Ana Mountains, near the junction of Cleveland Way and Fullerton Ave., ca. 2.0 miles south of the junction Fullerton Av. And Ontario Av. 381 Comment
  UCR17918  Trianthema portulacastrum O. F. Clarke 1973-8-6 s.n. Riverside UCR campus 336 Comment
  RSA192092  Tribulus terrestris H. A. Zuill 1966-6-27 245 Riverside 2-4 mi. WSW of Murrieta. At side of road through grassland. Comment
  RSA459336  Tricardia watsonii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA676043  Trichoptilium incisum Scott D. White 2001-4-17 8343 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
  RSA704588  Trichoptilium incisum LeRoy Gross 2005-3-3 1586 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SD45180  Trichoptilium incisum Helen K. Sharsmith 1952-4-8 4052 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well 580 Comment
  UCLA54133  Trichostema austromontanum subsp. austromontanum H. Lewis 1941-7-30 1479 Riverside Lake Hemet; ; Lake Hemit, Riverside Co. Comment
  UCSB12266  Trichostema lanatum Corfman, Nancy 1961-5-6 Riverside .2 miles south of turn off to Idyllwild from San Bernadino freeway; in Banning 807 Comment
  RSA67762  Trichostema parishii G. R. Campbell 1951-4-22 16073 Riverside Hwy 74, Hemet to Idyllwild, 4 miles above Cranston Ranger station. 915 Comment
  SBBG71192  Trichostema parishii V. Duran 1933-7-1 3493 Riverside near Santa Rosa 1828 Comment
  SBBG101662  Trifolium albopurpureum S. Boyd 1991-5-20 6264 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  RSA572968  Trifolium albopurpureum Steve D. Boyd 1986-4-2 1583 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA91415  Trifolium albopurpureum F. W. Peirson 1914-04 549 Riverside Beaumont, San Gorgonio Pass. Comment
  SEINET244674 Image available Trifolium apertum Walter Graves 2001-5-21 01 -4 Riverside CULTIVATED; Grown at UCR Experiment Station (Ag Ops fields) 305 Comment
  RSA625698  Trifolium fragiferum A. C. Sanders 1992-8-10 12440 Riverside Highland city park on Glenhill Road, at Kentwood, NE corner of the city. Comment
  SBBG119446  Trifolium gracilentum A. C. Sanders 2004-5-12 27875 Riverside Walker Cyn at NE foot of Alberhill Mtn, Temescal Crk 378 Comment
  UCR60252  Trifolium gracilentum Steve Boyd, Et al. 1989-4-1 3168 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCSB26794  Trifolium macrocephalum Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mountains Comment
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May 20 2017
  RSA741106  Trifolium microcephalum Scott D. White, Justin M. Wood 2008-5-15 11984 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1930037  Trifolium microcephalum Scott D. White, Justin Wood 2008-5-15 11984 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR177318  Trifolium obtusiflorum Scott D. White, Michael Honer 2003-5-27 9399 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR60248  Trifolium obtusiflorum Steve Boyd, Et al. 1989-6-4 3651 H Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  POM349589  Trifolium variegatum E. C. Jaeger 1921-7-9 s.n. Riverside South side Strawberry Valley, San Jacinto Mts. 1707 Comment
  RSA180365  Trifolium variegatum E. W. Lathrop 1960-5-27 5251 Riverside 6 miles west of Murrieta. Comment
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Jul 23 2008
  POM256965  Trifolium willdenovii W. Pequegnat 1940-4-28 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 701 Comment
  POM6729  Trixis californica P. A. Munz 1919-3-25 2303 Riverside Palm Canyon 213 Comment
  RSA475410  Trixis californica N. C. Cooper 1949-4-8 3279 Riverside Shaver's Summit east of Indio. 610 Comment
  POM307243  Turricula parryi Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2105 Riverside Santa Rosa Mountains. Comment
  UC284859  Turricula parryi P. A. Munz 1923-6-14 7061 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 1219 Comment
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Apr 1 2013
  UCR79235  Venegasia carpesioides Steve Boyd 1992-4-15 6878 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  RSA212926  Vicia americana L. B. Ziegler 1969-5-19 s.n. Riverside Hemet Valley, Sam Jacinto Mts. 1372 Comment
  SEINET11799898  Viguiera deltoidea var. parishii M. T. Doutt 1931-1 777 Riverside Chino Canyon, Palm Springs Comment
  RSA0094191  Viguiera parishii Duncan S. Bell, Evan Meyer 2014-10-29 7683 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
  UCR216403  Viola pedunculata Mike Bell 2008-3-30 031 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR201649  Viola purpurea subsp. quercetorum Scott D. White, Justin M. Wood 2008-5-15 11998 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  SEINET10590178  Vulpia Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22164 Riverside Open sandy field 5 mi. s.e. of Elsinore. Comment
  RSA12913  Vulpia bromoides C. B. Wolf 1935-4-7 6303 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  SD138008  Vulpia microstachys var. ciliata Darin L. Banks 1995-5-9 393 Riverside 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 2360 Comment
  CAS-BOT-BC183743  Vulpia microstachys var. confusa Peter H. Raven 1959-5-18 14238 Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA658971  Vulpia myuros Margaret Murphy 1983-5-1 18 -B Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA771742  Vulpia myuros Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4760 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 W116.65125 604 Comment
  RSA595270  Vulpia myuros var. hirsuta D. L. Banks, Victor Steinmann 1996-4-20 0907 A Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  RSA772858  Vulpia octoflora var. octoflora Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4821 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
  SEINET10859938  Vulpia octoflora var. octoflora Charles L. Hitchcock 1940-4-2 Hitchcock s.n. Riverside Cottonwood spgs. wash, Joshua Tree Nat. Monument Comment
  SJSU5875  Wislizenia refracta R. C. McGehee 1970-4-24 224 Riverside W side of Palen L c. 7 mi NE of Desert Center Comment
  RSA6080  Woodwardia fimbriata C. B. Wolf 1932-5-25 3663 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  SBBG124872  Woodwardia fimbriata S. C. White, J. M. Wood 2009-5-22 12925 Riverside Halfway Spring, accessed via Old Control Rd 1159 Comment
  RSA296139  Xanthium strumarium B. A. Prigge 1980-8-5 3882 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  RSA496735  Xylococcus bicolor Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA680326  Xylorhiza cognata Scott D. White, Michael Honer, Dylan Hannon 2003-7-3 9610 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 46 Comment
  SD134506  Xylorhiza cognata Craig Reiser 1989-3-8 Riverside Near Indio, east of Massey Sand and Gravel operations Comment
  RSA0048302  Yucca schidigera A. L. Haines 1951-5-19 s.n. Riverside Bautista Wash, San Jacinto Mts. 609 Comment
  RSA524462  Yucca whipplei var. whipplei Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4065 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  POM13811  Zannichellia palustris Philip A. Munz, I. M. Johnston 1922-5-5 5157 Riverside Mystic Lake, near Moreno Comment
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Mar 20 2011
  UCR20854  Zannichellia palustris S. Beckstrom-Sternberg 1980-6-2 6280 2 5 Riverside Riverside, stream c. 150 m east of visitor's center at Santa Ana River Regional Park Comment
  HSC79230  Zeltnera exaltata G. K. Helmkamp 1984-5-2 - 4 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  JOTR30278  Ziziphus obtusifolia var. canescens La Doux, Tasha, Alice Miller 2007-5-31 1776 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  POM148134  Ziziphus obtusifolia var. canescens Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  RSA161084  Ziziphus parryi Peter H. Raven 1958-5-18 12985 Riverside San Jacinto Mountains; Hemet Meadows. Comment
  JEPS41937  Ziziphus parryi var. parryi W. L. Jepson 1928-4-26 12641 Riverside Morongo Valley Comment



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