Search Results — 2000 specimen records retrieved (1897 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229331  Abronia villosa L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona Comment
  CAS-BOT-BC229355  Abronia villosa F. O. Ballou 1926-2-25 s.n. Riverside Indian Wells Comment
  CAS-BOT-BC229365  Abronia villosa L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  RSA714961  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  CLARK-A1528-3255  Abronia villosa var. aurita John C. Roos 1942-6-20 1279 Riverside San Jacinto Valley Comment
  CLARK-A1528-457  Acacia greggii Charlotte Stocks 1964-8-15 Riverside San Jacinto Mountains 914 Comment
  CAS-BOT-BC30911  Acamptopappus sphaerocephalus Samuel B. Parish 1907-4-23 6090 Riverside Western border of the Colorado desert. Palm Springs 160 Comment
  UCSB6737  Acamptopappus sphaerocephalus Krogen, Roger 1957-1 Riverside Whitewater Canyon 2 mi. N of Hwy 60-70 near Whitewater P.O. Comment
  UC604854  Acamptopappus sphaerocephalus var. sphaerocephalus Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9539 Riverside 2 mi from Cottonwood Springs; Cottonwood Mts. Comment
  RSA221045  Acer macrophyllum E. W. Lathrop 1968-5-8 6427 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  POM1070  Achnatherum speciosum J. D. Abrams 1901-05 990 Riverside Elsinore. Comment
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  RSA688912  Achyronychia cooperi Scott D. White 2001-4-18 8355 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCD97895  Achyronychia cooperi Herbert L. Mason 1928-3-10 4177 Riverside Whitewater River. Comment
  UCD103976  Acmispon argophyllus B. Pitzer; A. C. Sanders 1987-4-21 498 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  SD255718  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512 12 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  UCSB54191  Acmispon rigidus McKinley, Gale 1985-3-26 Riverside 1/4 mile east of site #9 in Ryan Campground in boulder area in Joshua Tree National Monument 1310 Comment
  SDSU13586  Acmispon strigosus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SJSU5451  Adenophyllum porophylloides R. C. McGehee 1970-5-1 258 Riverside 1 mile W of Chuckwalla Spring on Chuckwakka Road, Chuckwalla Mts Comment
  UC1292306  Adenophyllum porophylloides C. L. Hitchcock and C. V. Muhlick 1964-3-22 23270 Riverside sandy wash a w end Pinto Basin; Joshua Tree National Monument Comment
  UCR135844  Adenostoma fasciculatum A. C. Sanders 2004-4-20 27533 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
  RSA0060487  Adenostoma fasciculatum var. fasciculatum J. M. Andre 2012-6-15 30507 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
  RSA679175  Adenostoma sparsifolium Richard L. Zembal 2003-7-11 5962 Riverside Santa Ana Mtns.: Just east of Bear Creek, 0.5km Upper San Juan Campground. On gentle ridge with north-facing aspect 668 Comment
  SBBG70866  Adenostoma sparsifolium M. N. Ackley -May-1929 1269 Riverside Tahquitz [Lodge] 1524 Comment
  UCR35154  Adenostoma sparsifolium L. B. Ziegler 1964-8-24 38 Riverside San Jacinto Mtns., Garner [Hemet] Valley 1402 Comment
  UCR151408  Adiantum jordanii D. L. Banks 1997-3-1 1355 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
  RSA369161  Agave deserti Jack Rempel 1934-3-3 18663 Riverside Berdoo Canon, Little San Bernardino Mtns. 671 Comment
  UC218030  Agoseris heterophylla var. heterophylla P. A. Munz and J. M. Johnston 1922-5-20 5479 Riverside Kenworthy San Jacinto Mts. 1417 Comment
Read comments
Mar 25 2011
  SD232568  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside San Jacinto Mts.: Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facing mountainside. Deer Spr Ck dry. 1700 Comment
  RSA696215  Allenrolfea occidentalis Anonymous s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC434477  Allionia incarnata Milo S. Baker 1928-4-3 2783 b Riverside Palm Canon [Canyon] Comment
  UCR163053  Allionia incarnata B. G. Pitzer, G. R. Ballmer 2000-10-14 4216 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  POM13074  Allium burlewii E. C. Jaeger s.n. Riverside San Jacinto Mountains. Comment
  CSUSB417  Allium fimbriatum Joe Barrington 1968-5-11 680511 3 Riverside 1/4 mile off Highway 74, across from Alpine Village (town) 1280 Comment
  CAS-BOT-BC536069  Allium haematochiton Youssef C. Atallah 2016-4-27 s.n. Riverside San Bernardino Mtns. Foothills: Banning, Bluff S., c. 1 mile beyond the end of San Gorgonia Ave., c. 2.1 mi N of I-10 Fwy 882 Comment
  RSA359517  Allium haematochiton Steve Boyd 1986-3-9 1378 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA770542  Allium haematochiton S. Mashayekhi, M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from south main divide, below the Radio Tower 971 Comment
  UC843356  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  UCR63945  Allium munzii D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1784 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  CDA2749  Allium neapolitanum Joyce Davis 1962-3-27 Riverside 3957 6th Street, Riverside. 0 Comment
  CLARK-A1528-3074  Allium peninsulare Sue Damon 1981-5-19 20 Riverside Box Springs Mountains 731 Comment
  RSA367127  Allium praecox B. C. Templeton 1931-4-23 s.n. Riverside North of Gavilan Peak. Alt. 550 m. 550 Comment
  RSA85583  Allium praecox J. C. Roos 1952-4-2 5468 Riverside Box Springs grade east of Riverside. 427 Comment
  UC1929733  Allium praecox Scott D. White, Justin Wood 2008-3-25 11772 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UCR117344  Allium praecox Mitch Provance 1998-3-20 250 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  UCR49258  Allium praecox Steve Boyd 1986-4-2 1625 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SEINET2444444  Allophyllum gilioides A. C. Sanders, Tim Thomas; T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns. May Valley ca. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  POM13058  Allophyllum glutinosum E. C. Jaeger 1921-6-13 s.n. Riverside San Jacinto Mountains, McMullen Trail [Banning to McMullen Flat] 1280 Comment
Read comments
Nov 5 2011
  UC455464  Allophyllum glutinosum I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  SDSU13508  Alnus rhombifolia W. Miller with C. Mosse 1972-7-19 Riverside 200 yards upstream of river, south side (from beaver dam). Comment
  UCR234767  Alnus rhombifolia A. C. Sanders, John F. Green 2012-6-25 40309 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15 377 Comment
  UCR263411  Alternanthera caracasana Oscar Avila 2015-8-4 s.n. Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux 228 Comment
  JOTR35166  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 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
  SD236156  Amaranthus albus A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23172 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UC7527  Amaranthus albus H. M. Hall 1901-8-1 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR159257  Amaranthus albus A. C. Sanders, Kelly Volansky 2005-8-31 31590 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
  RSA574564  Amaranthus blitoides Steve Boyd 1985-7-23 1009 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
Read comments
Apr 24 2013
  CLARK-A1528-1393  Amaranthus californicus John C. Roos 1937-8-19 2020 Riverside San Jacinto Mountains Comment
  RSA650127  Ambrosia J. G. Page 1949-2-1 s.n. Riverside Colledted 30 mi. East of Blyth. Comment
Read comments
Mar 27 2014
  UC2015638  Ambrosia X platyspina A. C. Sanders with K. Rose 1995-4-27 16744 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree National Park Comment
  JOTR30755  Ambrosia acanthicarpa Andre, Jim, Tasha La Doux 2007-9-6 8708 Riverside Joshua Tree National Park. Queen Valley, just E. of Geology Tour Rd. in July 2006 burn area. 1318 Comment
  UCR115128  Ambrosia acanthicarpa Mitch Provance 2000-10-28 2281 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR276350  Ambrosia confertiflora Arlee Montalvo 2016-10-3 671 Riverside Dos Lagos-Temescal Wash Conservation Easement through Dos Lagos Golf Course, just north of main bridge below golf club (east of intersection of Temescal Canyon Dr. and Cabot Dr.), east of I-15 Fwy & 3/4 mile due south of Cajalco Rd., south of Corona 260 Comment
  HSC47365  Ambrosia dumosa Richard Spjut, C. E. Edson 1978-5-6 5026 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  JOTR31948  Ambrosia dumosa La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2186 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA416969  Ambrosia dumosa M. B. Dunkle 1932-3-25 2900 Riverside Cathedral Canyon Comment
  RSA668359  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  SBBG25177  Ambrosia dumosa Leota Davidson 1966-4-5 234 Riverside near intersection on Wyley Wells Rd, off Interstate 10 between Desert Center and Blythe, Chuckawalla Mts Comment
Read comments
Apr 5 2011
  UCR34895  Ambrosia dumosa L. B. Ziegler 1973-3-6 495 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  CAS-BOT-BC30800  Ambrosia ilicifolia P. A. Munz; D. D. Keck 1922-4-9 4782 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  SD136928  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon at confluence with Bluewater Canyon 328 Comment
  UC1605396  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside San Mateo Canyon at confluence with Bluewater Canyon; Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  RSA603204  Ambrosia pumila Steve Boyd 1997-7-22 10017 Riverside Gavilan Hills region: Warm Springs Valley northwest of Lake Elsinore, about Alberhill Creek at the head of Walker Canyon near Durant Siding, southeast base of Alberhill Mountain along Nichols Road, 0.2 miles southwest of junction with Collier Avenue. 381 Comment
Read comments
Jun 10 2015
  UCR77564  Ambrosia pumila Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6331 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  CAS-BOT-BC273028  Ambrosia salsola Munz; Street; Williams 1919-3-25 2321 Riverside Palm Canyon Comment
  OBI40187  Ambrosia salsola N. Miles Fellows 1984-3-20 4 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns., 1 mi W of Snow Crk Village 488 Comment
  RSA0103315  Ambrosia salsola Jim M. Andre 2012-4-11 20707 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA788982  Ambrosia salsola Aaron C. Sedgwick, David Fraker 2012-3-28 24 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SEINET2052888 Image available Ambrosia salsola Norman C. Cooper 1949-4-8 3311 Riverside Desert Center 609 Comment
  SFV9294  Ambrosia salsola D. H. Hoover 1968-3-23 68 43A Riverside Colorado Desert Morongo Valley. North of Palm Springs area. Comment
  UCR189542  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
  RSA500571  Amorpha fruticosa Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3580 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  UC862267  Amorpha fruticosa Crawford and Johnston 1917-6-9 1225 Riverside near Corona; Santa Ana River 152 Comment
  CSUSB988  Amsinckia intermedia Robert M. Hasegawa 1976-4-5 S. N. Riverside University of California, Riverside campus. 1/8 mile south of Perimeter Road. 274 Comment
  POM319691  Amsinckia intermedia Patricia Wilder 1971-5-13 4952 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. Alt. 650 ft. 198 Comment
  UCR260834  Amsinckia intermedia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41521 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  RSA0089612  Amsinckia intermedia Ora M. Clark 1929-4-6 1939 Riverside S. San Jacinto. Comment
  RSA339325  Amsinckia menziesii R. F. Thorne, C. W. Tilforth 1980-5-28 54205 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  SD185165  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside; ca. 1.0 km east and southeast of Gavilan Peak. 625 Comment
  RSA0091471  Amsinckia tessellata Duncan S. Bell 2010-4-1 664 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  SD28018  Amsinckia tessellata Carl B. Wolf 1932-4-27 3037 Riverside Colorado Desert, Mecca-Blythe Road, 3/4 mile west of Utopia 149 Comment
Read comments
Dec 11 2011
  JOTR34229  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3082 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  UC68710  Amsinckia tessellata var. tessellata H. M. Hall Apr. 1905 5860 Riverside Canyon Springs; Colorado Desert Comment
  POM115619  Amsonia brevifolia var. tomentosa A. M. Alexander, Louise Kellogg 1941-5-23 2225 Riverside one-half mile north of cottonwood spring, Eagle mountains. 915 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
  POM184745  Amsonia tomentosa var. tomentosa C. L. Hitchcock 1932-4-8 12220 Riverside 1 mile west of Cottonwood Springs. Comment
  UCR22136  Anagallis arvensis Steve Boyd 1980-5-17 287 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR23921  Andropogon glomeratus John C. Roos 1938-12-29 322 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon Comment
  UCR174515  Anemopsis californica A. C. Sanders, John F. Green 2006-5-18 32377 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  POM204509  Angelica tomentosa var. tomentosa M. French Gilman 1934-7-8 S.N. Riverside San Jacinto Mountains Comment
  UC1543180  Anisocoma acaulis Donald G. Nelson 1936-5-21 378 Riverside slopes just n of meadow in valley just e of, (e of Lake Hemet, n of Mt. Thomas) Hurkey Creek Camp; San Jacinto Mtns. Comment
  CDA20179  Antirrhinum coulterianum J. Chandler 2003-6-24 PDR 1261516 Riverside Southern California; across from 42525 Wildwood Ln, Aguanga. 0 Comment
  RSA192076  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 -b Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  RSA500209  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3534 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA650899  Antirrhinum coulterianum R. S. Woglum 1941-6-13 3068 Riverside Santa Rosa Mountains. Comment
  RSA651284  Antirrhinum coulterianum Marcy Keys 1981-5-16 68 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  SD4551  Antirrhinum coulterianum Fidella G. Woodcock 1928-4-27 Riverside Valley between San Jacinto Mountain and Warner's Hot Springs Comment
  UCR281002  Antirrhinum coulterianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 57 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UC1929734  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UCR281206  Antirrhinum kelloggii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 29 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
  UCR116417  Antirrhinum nuttallianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24186 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  JEPS83386  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-8 297 Riverside sw end Bernasconi Hills (Lake Perris Recreational Area, se entrance, end of road to left, on horse trail (marked as such) start at picnic area, next to path not far above dam); Lake Perris Recreational Area 487 Comment
  POM13454  Antirrhinum nuttallianum subsp. nuttallianum Philip A. Munz, I. M. Johnston 1922-5-19 5352 Riverside 5 miles NE of Murietta. 457 Comment
  POM9655  Antirrhinum nuttallianum subsp. nuttallianum I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  POM157898  Apocynum sibiricum P. A. Munz 1927-5-21 10896 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  UCR27149  Arabis johnstonii T. P. Krantz 1982-4-22 S.N. Riverside San Jacinto Mtns., Pebble plain along bench east of Garner Valley, near Quinn Flats. 1372 Comment
  POM354172  Arceuthobium campylopodum N. Cooper, Paul C. Silva 1943-9-11 923 Riverside Idyllwild Comment
Read comments
Oct 22 2011
  RSA629137  Arctostaphylos Jon E. Keeley 1992-7-16 16576 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629472  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16830 Riverside Idyllwild, Saunders Meadow Road, east of Highway 243. 1610 Comment
  RSA629479  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16838 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR268273  Arctostaphylos glandulosa Jim Andre 2012-6-15 30514 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  UCR273478  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42623 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  RSA629410  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19505 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA631752  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19260 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631759  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15065 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631802  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20100 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  RSA631809  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15067 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631832  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15528 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631839  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16504 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA633555  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21793 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633643  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20136 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633644  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20157 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633667  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21771 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633750  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21783 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  CAS-BOT-BC46554  Arctostaphylos patula F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley. 2438 Comment
  CAS-BOT-BC44327  Arctostaphylos pringlei subsp. drupacea J. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild, San Jacinto Mts. 1676 Comment
  CAS-BOT-BC44333  Arctostaphylos pringlei subsp. drupacea H. M. Hall 1901-6-1 2092 Riverside San Jacinto Mts. 1524 Comment
  CLARK-A1528-1139  Arctostaphylos pringlei subsp. drupacea Sherri Stange 1980-5-26 Riverside San Jacinto Mountains 1523 Comment
  POM367417  Arctostaphylos pringlei subsp. drupacea Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  RSA635687  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 16605 Riverside Hwy 371 & Burnt Valley Rd, San Jacinto Mtns. Comment
  UC527225  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  UCSB11790  Arctostaphylos pringlei subsp. drupacea Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning on Banning-Idyllwild Road, in the San Bernardino National Forest, San Jacinto Mountains 1584 Comment
  CAS-BOT-BC46342  Arctostaphylos pungens Munz; Johnston 1922-5-20 5491 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  LA42246  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  RSA635806  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16549 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  UCR208229  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside San Jacinto Mtns., near Pipe Creek, above Hemet Valley 1677 Comment
  RSA636008  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19555 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636159  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18813 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD137698  Argemone munita Darin L. Banks, Peter Morrell 1995-5-4 305 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 622 Comment
  UCR56014  Argemone munita J. A. Adams 1965-5-9 206 Riverside San Jacinto Mtns., NE side of Mtns, Palm Springs Area, 1 mi below tramway up Mt. San Jacinto 915 Comment
  POM259947  Argemone munita subsp. argentea P. A. Munz 1940-3-23 15675 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  RSA78245  Argemone munita subsp. munita P. A. Munz 1952-8-21 17964 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  RSA0042171  Argythamnia lanceolata Duncan S. Bell, Evan Meyer 2014-4-2 6515 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  JOTR35378  Aristida adscensionis Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 167 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  UCR274669  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-18 132 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 99 Comment
  UCSB299  Aristida adscensionis Don Graney 1953-3-21 165 Riverside collected 13.0 mi E, in the Colorsdo Desert Indo - Indio Comment
  CAS-BOT-BC137567  Aristida oligantha K. Bonner 1977-10-30 2586 Riverside Ford Day Lake. Midland-Rice Road. Comment
  RSA746807  Aristida purpurea Michael Honer 2003-7-15 1845 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  UCSB37795  Aristida purpurea Roos, John 1965-9-26 Riverside Palm Springs 121 Comment
  UCR21296  Aristida purpurea var. longiseta A. C. Sanders, K. Berg 1980-5-1 1363 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCD56548  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside head of Deep Canyon. 1219 Comment
  UCR24422  Aristida purpurea var. nealleyi John C. Roos, L. Roos 1950-10-21 5015 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  CAS-BOT-BC137512  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley. Gilman Hot Springs. Comment
  CAS-BOT-BC137513  Aristida purpurea var. purpurea J. C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview. Comment
  JOTR30088  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., frequent in road shoulder. 1385 Comment
  IRVC491  Artemisia douglasiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 259 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  UC1871200  Artemisia dracunculus Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8193 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 755 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
  SEINET955313  Asclepias eriocarpa Louis B. Ziegler 1964-1 36 Riverside San Jacinto Mountains. Garner (Hemet) Valley. 1402 Comment
  UCR141259  Asclepias eriocarpa A. C. Sanders, Kelly Volansky 2004-10-6 28825 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  RSA543155  Asclepias erosa Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6105 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
  POM319657  Asclepias fascicularis Patricia Wilder 1970-10-15 4807 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UCR21552  Asclepias fascicularis W. W. Mayhew 1980-8-1 s.n. Riverside Santa Rosa Mtns, 2 mi. south of Hwy 74 on road to Santa Rosa Peak 1646 Comment
  UCR89799  Aspidotis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3341 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR18624  Aster bernardinus John C. Roos 1951-10-19 5323 Riverside San Timoteo Canyon, El Casco 612 Comment
  SEINET6811874  Asteraceae Unknown 1997-4-16 Riverside Monterey Avenue; Monterey Avenue Comment
  CAS-BOT-BC177466  Astragalus aridus P. A. Munz; R. D. Harwood 1920-4-2 3393 Riverside Blythe Jct 365 Comment
  UC862495  Astragalus aridus Lewis S. Rose 1937-4-10 37155 Riverside 3 mi se Indio; se of Indio -15 Comment
  UC667276  Astragalus bernardinus Annie M. Alexander and Louise Kellogg 1941-5-11 2152 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring (Eagle Mountains, Colorado Desert, side of canyon) 883 Comment
  LA204888  Astragalus crotalariae Carl Epling; March 1927 sn Riverside Whitewater Pass near Palm Springs Comment
  UC13340  Astragalus didymocarpus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  RSA90156  Astragalus didymocarpus F. W. Peirson 1914-1 576 Riverside Whitewater, east of Cabezon Comment
  CAS-BOT-BC177876  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-4-2 1620 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UC162674  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5763 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  UCR208881  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Peninsular Range, Dripping Spring, near Temecula River 457 Comment
  PASA2725  Astragalus douglasii Margaret Stason 1931-5-24 Riverside Pine woods, Idyllwild Comment
  HSC85262  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  UCR228835  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  SDSU7936  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1975 Riverside 3 miles west of Blythe. 91 Comment
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Oct 12 2011
  UCR18937  Astragalus insularis var. harwoodii John C. Roos, Lucille Roos 1949-4-10 4222 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mountains Comment
  UCR25291  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  SEINET898139  Astragalus lentiginosus H. M. Hall 1905-1 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  POM275877  Astragalus lentiginosus var. coachellae L. R. Abrams 1926-3-26 11091 Riverside between Edom and Garnet east of San Gorgonio pass. Comment
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Apr 5 2011
  UC863174  Astragalus lentiginosus var. coachellae I. W. Clokey, B. Templeton 1930-4-9 4710 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  RSA0006785  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 a Riverside Garnet, Coachella Desert. 137 Comment
  POM12864  Astragalus leucolobus P. A. Munz 1922-6-28 5872 Riverside Ridge west of Toro Peak 2287 Comment
  JEPS54934  Astragalus palmeri Marjorie D. Clary 1932-11-14 1673 Riverside Pinyon Flats , Pinyon Flats (San Jacinto Mts.) 1219 Comment
  UC81354  Astragalus palmeri S. B. Parish Mar, 1881 735 Riverside Agua Caliente (i.e. Palm Springs) Agua Caliente (Palm Springs) Comment
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Jul 15 2009
  CAS-BOT-BC192822  Astragalus pomonensis M. E. Jones 1882-4-24 3166 Riverside San Jacinto Comment
  CAS-BOT-BC192823  Astragalus pomonensis Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  CAS-BOT-BC194136  Astragalus pomonensis Munz; Harwood 1920-3-20 3376 Riverside 5 mi. So of Corona 304 Comment
  SD90465  Astragalus pomonensis Robert F. Thorne, E. Lathrop 1969-6-6 39336 Riverside Santa Rosa Plateau, Rancho California, grassy area with small stream 609 Comment
  UCD105190  Astragalus pomonensis Lawson 1930-3-12 s.n. Riverside Perris. Comment
  UCR120921  Astragalus pomonensis A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24943 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR92101  Astragalus pomonensis D. L. Banks, Steve Boyd 1995-6-2 579 Riverside Palomar Mtns., Cleveland National Forest, Agua Tibia Mountains, NE of the Dorland Mountain area, north of the Agua Tibia Wilderness Area, east of Kolb Creek. c. 100m east of junction between the Woodchuck Road and Hwy 79 512 Comment
  SD82731  Athyrium filix-femina var. cyclosorum Clinton S. Kimball 1892-1 Riverside Strawberry Valley Comment
  UCR213892  Atriplex argentea var. mohavensis Scott D. White 2009-8-10 13354 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
  POM182368  Atriplex canescens Joseph A. Ewan 1931-10-3 s.n. Riverside Mockingbird Canyon near Arlington Comment
  POM278693  Atriplex canescens Grant D. Brown 1959-3-29 523 Riverside 2 miles east of Hemet (E. Florida Ave.) Comment
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Jul 8 2012
  POM278694  Atriplex canescens Grant D. Brown 1950-3-29 524 Riverside 1 mile E. of San Jacinto Comment
  RSA3322  Atriplex canescens C. B. Wolf 1931-10-14 s.n. Riverside Cabezon, San Gorgonio pass. Comment
  SEINET3930666  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway sliding), 4.5 miles Southeast of Mecca, Colorado Desert. Lower Sonoran Zone.; 0 610 Comment
  SEINET3930704  Atriplex canescens Howard Stutz 1977-11-17 8192 Riverside East of Cabazon, Plants abundant.; 0 Comment
  CAS-BOT-BC170210  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mtns., No. of Blythe Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  OBI17338  Atriplex coronata var. notatior Robert F. Hoover 1968-1 Riverside Comment
  RSA543882  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1991-5-13 6238 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR266252  Atriplex coronata var. notatior D. E. Bramlet 2006-5-5 3981 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west Hemet area, north of Stetson Ave. and east of the EMWD canal 456 Comment
  UC195304  Atriplex elegans S. B. Parish 1913-9-20 8600 Riverside Mecca Salton Sink, Mecca (Salton sink) 57 Comment
  SD240966  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range: Santa Ana Mountains Region: Temescal Canyon near I-15 crossing of Temescal Canyon Road and Temescal Creek, c. 2.6 km SW of Lee (Corona) Lake (Alberhill 7.5'Q) 360 Comment
  UCR148293  Atriplex hymenelytra John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR98499  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams Comment
  UCR279577  Atriplex polycarpa A. C. Sanders, Jim Malusa 2017-3-28 43136 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA702186  Atriplex semibaccata Scott D. White, Michael Honer 2004-3-11 9897 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR22166  Atriplex serenana Steve Boyd 1980-10-13 364 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  GMDRC6561  Avena barbata J. M. Andre 2012-6-15 30515 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  CSUSB420  Avena fatua Ellen Predmore 1971-5-3 Riverside Found 10 miles northwest of Gillman Hot Springs. 457 Comment
  CSUSB423  Avena fatua J. Jacobi 1970-4-30 0430 7 Riverside Collected 1 mile north of Lakeview, Ca., by bridge. 274 Comment
  RSA516752  Avena fatua Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR232797  Avena fatua John F. Green 2008-4-16 0408- 40 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  RSA385393  Avena fatua N. C. Cooper 1947-4-5 2107 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SEINET7048193  Avena fatua Steven R. Hill, Andrew C. Sanders 2001-5-4 33702 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  JEPS13898  Ayenia compacta Marjorie Clary 1931-4-4 Riverside Desert slopes of Santa Rosa Mountains Comment
  UC871650  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside about 50 ft above stream bed; Andreas Canyon 762 Comment
  UCR277758  Azolla filiculoides Mitch Provance 2011-7-29 17040 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  RSA48866  Baccharis brachyphylla J. C. Roos, L. Roos 1949-9-17 4659 Riverside Canyon bottom near oasis with Palms, a side canyon, E side Whitewater Wash, W slope Painted Hill, 2.2 miles N of Hwy 99 Comment
  UCR19495  Baccharis brachyphylla John C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns., Whitewater Wash near Painted Hill 581 Comment
  IRVC18891  Baccharis emoryi Karlin G. Marsh 1981-11-11 3 Riverside Blythe: north of Mayflower County Park, 5 miles north of I-10, along irrigation ditch into Colorado River. Sonoran Desert Comment
  POM10240  Baccharis emoryi E. A. Zumbro 1904-1 s.n. Riverside Cold Water Canyon, Santa Ana Mountains Comment
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Jul 4 2010
  SDSU13946  Baccharis emoryi Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2150 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR278378  Baccharis emoryi Mitch Provance 2012-9-5 912- 13 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  JOTR29288  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 Comment
  RSA93170  Baccharis salicifolia F. W. Peirson 1933-4-15 10654 Riverside Whitewaer River, 4.5 miles above bridge of Indio Hwy 701 Comment
  RSA696129  Baccharis sergiloides A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24601 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  UCR34875  Baccharis sergiloides L. B. Ziegler 1964-10-15 047 Riverside San Jacinto Mtns, Garner (Hemet) Valley from Kenworthy area 1387 Comment
  UCR28277  Bacopa monnieri B. Ballen 1982-12-27 588487 Riverside Sonoran (Colorado) Desert, Rancho Mirage. Lake edge at Desert Island Country Club, 71-777 Frank Sinatra Drive. 91 Comment
  CAS-BOT-BC99963  Baileya pauciradiata N. Aitkenhead 1977-2-4 2288 Riverside near sand dunes N. of Mule Mountains 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
  RSA4910  Baileya pleniradiata C. B. Wolf 1932-4-27 3026 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  RSA719072  Baileya pleniradiata Michael Honer 2005-3-18 2094 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  POM350771  Bebbia juncea Robert Gustafson 1980-5-5 1574 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA696870  Bebbia juncea J. Russell Bruff 1928-11-23 2 Riverside Whitewater. Comment
  UC1929904  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  JOTR29381  Bebbia juncea var. aspera La Doux, Tasha, Mike Bell 2006-5-10 1458 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC1281253  Bebbia juncea var. aspera H. E. McMinn 1935-6-27 4057 Riverside Palm Canyon region Palm Canyon Comment
  UC163734  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River, San Jacinto Mountains San Jacinto Mountains, Canyon of the San Jacinto River 762 Comment
  UCR89779  Bergia texana Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UC868545  Bernardia incana C. L. Hitchcock 1940-4-5 5967 Riverside 1/2 mi. above Cottonwood Springs (in canyon above Spring) Comment
  UCSB21057  Bernardia myricifolia McMinn, Howard 1935-6-27 Riverside Grade to the valley, Palms to Pines Highway Comment
  UCR207569  Beta macrocarpa O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR113587  Bidens laevis A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UC62867  Bidens pilosa H. M. Hall 1901-8-1 Riverside vicinity of Riverside Riverside 304 Comment
  RSA594786  Bloomeria crocea Darin L. Banks, Dylan Hannon 1996-5-3 981 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  CAS-BOT-BC16095  Boechera californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside San Jacinto Mountains. Northwest of Idyllwild. Along fire road south of south end Marion Ridge Road, Pine Cove. 1938 Comment
  CAS-BOT-BC14160  Boechera perennans C. L. Hitchcock 1940-4-1 5918 Riverside Cottonwood Spring wash. Comment
  JOTR33743  Boechera pulchra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2742 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  RSA0027574  Boerhavia triquetra var. intermedia Kristin Forgrave, Joshua Paolini 2013-8-7 28 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  UCR264238  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41845 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  JOTR30684  Boerhavia wrightii Andre, Jim, Tasha La Doux 2008-9-13 10275 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  JOTR32619  Boerhavia wrightii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1628 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  CAS-BOT-BC31023  Bolboschoenus maritimus LeRoy Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  UCR114302  Bolboschoenus maritimus subsp. paludosus Julie A. Greene 1993-4-30 1271 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  CLARK-A1528-4502  Bothriochloa barbinodis John C. Roos 1946-9-14 3027 Riverside Santa Rosa Mountains 1158 Comment
  CLARK-A1528-4503  Bouteloua aristidoides John C. Roos 1963-10-23 Riverside Chuckwalla Valley Comment
  JOTR35145  Bouteloua aristidoides var. aristidoides La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3257 Riverside Joshua Tree National Park. West Cottonwood Mountains; In wash below rocky bench in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  SEINET3920391  Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6490 Riverside Palen Valley, 15 miles northeast of Desert Center.; 0 183 Comment
  UCD56842  Bouteloua barbata Leslie L. Ede 1972-7-18 s.n. Riverside Blythe? Comment
  UCR100129  Bouteloua barbata B. G. Pitzer 1997-10-19 3359 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  JOTR32106  Bouteloua barbata var. barbata Harding, Mitzi, Kipp Callahan 2012-8-27 281 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA778407  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-5 61 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  JOTR30835  Bouteloua curtipendula Andre, Jim, Tasha La Doux 2008-9-16 10707 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  UCR107391  Bowlesia incana B. G. Pitzer 1997-3-23 2972 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
  CHSC25967  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill. 670 Comment
  OBI2994  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi S of Palm Desert 61 Comment
  PASA1872  Brandegea bigelovii 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  RSA0042378  Brandegea bigelovii Duncan S. Bell, LeRoy Gross 2014-3-13 6239 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA394253  Brandegea bigelovii Robert Gustafson 1978-3-21 842 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  UCR269836  Brandegea bigelovii A. C. Sanders, Jim Malusa 2016-3-18 42378 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR70766  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns., west side of San Jacinto Mtns. [Banning to Idyllwild road] 1372 Comment
  UCR260246  Brassica tournefortii A. C. Sanders, Jim Malusa 2015-3-9 41362 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
  UCR25770  Brickellia desertorum John C. Roos 1943-8-17 2709 Riverside Plateau in Reche Canyon Comment
  SEINET7048183  Brickellia desertorum Steven R. Hill 2001-5-3 33692 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
  CAS-BOT-BC100516  Brickellia incana K. Larson 1977-5-11 2298 Riverside 10 mi. W. of Desert Center Comment
  UCR218075  Brodiaea filifolia Steve Boyd 2010-5-28 12285 Riverside Santa Ana Mountains, Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  UCR202578  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12391 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA78185  Bromus berteroanus J. C. Roos, L. Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon, south of Palm Spriings. 274 Comment
  RSA0014446  Bromus carinatus Justin M. Wood 2010-3-4 1417 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  LA13867  Bromus catharticus F. M. Reed; 1903-11-30 663 Riverside Riverside and vicinity Comment
  UC53639  Bromus catharticus E. L. Koethen 1897-8-12 6 Riverside Riverside Comment
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Jun 9 2011
  UCD58404  Bromus catharticus Peter Kamb 1948-2-1 758 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. 304 Comment
  JOTR35509  Bromus diandrus La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3196 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  UCR138916  Bromus diandrus Julie A. Greene 1993-4-3 1078 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  UCR37469  Bromus diandrus Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  RSA526503  Bromus grandis Steve Boyd, Timothy S. Ross 1990-5-11 4698 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR241217  Bromus hordeaceus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 54 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, east fork of Hathaway Canyon 945 Comment
  SEINET7048210  Bromus hordeaceus Steven R. Hill, Andrew C. Sanders 2001-5-4 33722 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  JOTR32136  Bromus madritensis subsp. rubens La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2292 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  SEINET14423552  Bromus mollis M. Fellows 1983-5-9 Riverside Just W of the UCR Herbarium Comment
  CAS-BOT-BC161815  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside Along diversion canal at mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  UCR104076  Bromus rubens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20639 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR97454  Bromus rubens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19843 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR228917  Bromus tectorum A. C. Sanders 2011-4-6 39002 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
  SEINET13203179 Image available Cactaceae Marc A. Baker, Michelle Cloud, Hughes 2015-1 18297 .1 Riverside Chuckwalla Mountains, 4.1km WNW of Corn Spring, 630m NE of Aztec Well, 71km west of central Blythe, narrow valley floor 834 Comment
  HSC49576  Caesalpinia virgata D. L. Goforth 1979-4-11 112 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA293522  Caesalpinia virgata C. W. Tilforth, Walter Wisura 1979-8-8 1908 Riverside Along hwy 74, south edge of Palm Desert. South-east of Palm Springs Comment
  RSA676052  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA522704  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3891 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
  UCR250568  Calandrinia ciliata A. C. Sanders 2014-4-25 41069 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  RSA198960  Callitriche heterophylla subsp. bolanderi R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37421 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  RSA761866  Calocedrus decurrens Patrick Garrett, C. Martinez, N. Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC813614  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  CLARK-A1528-3185  Calochortus albus John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  UCR202609  Calochortus palmeri var. munzii Scott D. White, Justin M. Wood 2008-7-9 12417 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR139161  Calochortus splendens S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR261693  Calochortus splendens Dick Newell, Judy Booth 2014-5-26 376 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. south of Los Pinos Rd. and 0.67 mi. NW of Elsinore Peak 955 Comment
  CAS-BOT-BC497282  Calochortus weedii var. weedii John Thomas Howell 1931-5-30 6586 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR228841  Calycadenia tenella A. C. Sanders, T. B. Salvato 2011-4-27 39340 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA680922  Calycoseris wrightii Scott D. White, Michael Honer 2003-5-14 9279 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC68980  Calycoseris wrightii H. M. Hall 1905-4-1 5966 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  CLARK-A1045-237  Calyptridium monandrum George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA612940  Calystegia macrostegia subsp. arida D. L. Banks 1997-3-29 1637 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
  CAS-BOT-BC199279  Calystegia sepium subsp. limnophila S. B. Parish 1900-9-20 4612 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA511362  Camissonia B. Pitzer, E. Misquez 1988-3-20 673 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 549 Comment
  RSA465927  Camissonia bistorta Christopher Davidson 1973-4-1 1796 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UCR155048  Camissonia bistorta Jason L. Hlebakos 2005-5-30 823 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR251309  Camissonia bistorta T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7426 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR92042  Camissonia bistorta Scott D. White 1995-3-30 2667 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA465989  Camissonia boothii subsp. condensata A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon. Comment
  RSA747730  Camissonia brevipes Scott D. White, Justin M. Wood 2009-3-24 12565 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. 21 Comment
  UCR216495  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-3-10 11242 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
  UCR50654  Camissonia brevipes subsp. brevipes B. A. Prigge 1988-2-21 7837 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  UCR104921  Camissonia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20660 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR225712  Camissonia californica A. C. Sanders 2011-3-30 38915 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA9347  Camissonia californica Mary F. Spencer 1920-3-29 1614 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  UCR60774  Camissonia cardiophylla Steve Boyd, Orlando Mistretta 1986-3-13 1476 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  POM126823  Camissonia cardiophylla subsp. cardiophylla E. E. Schellenger 5 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  SEINET10492071  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6440 Riverside Blythe-rice road, 17 airline mi n-nw of blythe. T4s, r21e, sec 13. Common in wash.petal white. 259 Comment
  RSA703370  Camissonia claviformis subsp. aurantiaca LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1441 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA510019  Camissonia claviformis subsp. claviformis B. Pitzer 1988-3-10 652 B Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersectio with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10., [Red Cloud Rd. 10 km cell; PH-2N, 3E.] 488 Comment
  UCR119406  Camissonia hirtella Mitch Provance 1998-6-11 645 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR214335  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  SEINET1109638  Camissonia pallida A. C. Sanders, K. C. Rose 1995-1 16368 Riverside San Bernardino Mtns. Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  RSA770789  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4529 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR148294  Camissonia refracta 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
  POM204502  Camissonia strigulosa Hibbard 1934-11-1 s.n. Riverside San Jacinto Mts. Comment
  RSA495787  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2886 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UC56464  Camissonia strigulosa H. M. Hall 1902-4-7 2755 Riverside vicinity of Riverside 457 Comment
  UC1537618  Camissoniopsis bistorta Gordon H. True Jr. 1935-2-20 1 Riverside Box Springs Sycamore Canyon (mouth of canyon) 365 Comment
  SD143801  Camissoniopsis hirtella A. C. Sanders, P. MacKay, et al. 1997-5-4 20635 Riverside San Jacinto Mountains, north side along Highway 243, 1.5 mile below Twin Pines Ranch Road. 1067 Comment
  UCSB10494  Camissoniopsis ignota Breedlove, Dennis 1962-3-11 Riverside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  UCR165697  Camissoniopsis pallida subsp. pallida A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16289 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR268948  Camissoniopsis pallida subsp. pallida Jim Andre 2015-3-2 31356 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  CSUSB541  Capsella bursa-pastoris D. L. Heald 1966-3-5 8 Riverside Corner of Monroe street and Magnolia Ave. 259 Comment
  UCR158334  Capsella bursa-pastoris A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30059 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
  UCR107908  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 1997-1-8 1278 Riverside Sonoran (Colorado) Desert, Palm Springs. Lawn at El Cielo and Tahquitz-McCallum 152 Comment
  RSA364677  Carex heteroneura Anstruther Davidson s.n. Riverside Idyllwild. San Jacinto. Comment
  POM319473  Carex multicaulis Patricia Wilder 1968-7-5 4326 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  UCR18399  Carex multicaulis A. C. Sanders 1978-5-13 00836 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1677 Comment
  UCR158885  Carex praegracilis Scott D. White 1994-6-14 2059 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR178850  Carex praegracilis T. B. Salvato, Tracy Tennant 1998-1 MOR- 804 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  RSA192147  Carex schottii H. A. Zuill 1966-4-1 111 Riverside About 10 miles WSW of Murrieta, Tenaja Canyon,. Comment
  CAS-BOT-BC115978  Carex subfusca H. E. Hasse 1903-6-30 s.n. Riverside Round Valley, San Jacinto Mts. 2895 Comment
  RSA0011149  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UCR127560  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley, Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development 335 Comment
  UC1967956  Castela emoryi Duncan S. Bell 2009-10-10 505 Riverside Arica Mountains east side of mountains range Arica Mountains (west side of Rice Valley; approximately 5 air miles southeast of the ghost town of Rice.) 210 Comment
  UCR60832  Castela emoryi Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1338 Riverside Sonoran (Colorado) Desert, Shavers Valley, Colorado Desert: NW end of Hayfields Dry Lake Comment
  UCR174425  Castilleja affinis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32481 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
  UCR280613  Castilleja affinis Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-4 417- 02 Riverside Gavilan Hills, NE flank of Estelle Mtn., along Estelle Mountain Rd., 0.3 miles NNE of intersection with Highcliff Rd. 732 Comment
  UCR26491  Castilleja affinis subsp. affinis A. C. Sanders, S. Hagopian 1981-5-20 2137 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  POM19581  Castilleja applegatei subsp. martinii Mary F. Spencer 1923-7-18 2233 Riverside San Jacinto Mts. 2439 Comment
  SEINET7073343  Castilleja densiflora 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
  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
  SBBG47445  Castilleja exserta N. C. Cooper 1944-4-21 1127 Riverside Banning 701 Comment
  UC886555  Castilleja exserta P. A. Munz 1922-4-28 5031 Riverside Temescal Canyon Comment
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Apr 3 2011
  CSUSB894  Castilleja foliolosa Steve Kulju 1974-5-9 Riverside Jack Rabbit Trail, one mile south of U.S. Highway 60. 487 Comment
  RSA612477  Castilleja foliolosa D. L. Banks 1997-2-23 1340 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  SD233360  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mts: Old Control Road, above Halfway Spring. (Blackburn Canyon) 1159 Comment
  UCSB12570  Castilleja foliolosa Creighton, B. 1961-5-6 Riverside 7.9 miles south of Banning on Banning-Idyllwild road; about 25 miles east of Riverside 1158 Comment
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  RSA0103096  Castilleja minor subsp. spiralis Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8544 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SD119686  Caulanthus heterophyllus Wayne P. Armstrong 1986-3-23 1258 Riverside Gavilan Hills area; east side of Sant Rosa Road, ca. 2.0 miles south of Hartford Springs. 455 Comment
  UCR17672  Caulanthus heterophyllus E. W. Lathrop 1971-3-24 7484 Riverside Santa Ana Mtns, Bedford Truck Trail of the Cleveland Nat'l Forest, Trabuco District 1220 Comment
  SBBG101779  Caulanthus simulans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6023 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SD108786  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside 33 miles east of Temecula, 5-7 miles southeast of Terwilliger at north end of Coyote Canyon Road, on the first steep grade to canyon. 760 Comment
  RSA0012053  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA517102  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3017 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA606756  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27364 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UC1071024  Ceanothus crassifolius A. Lewis 1933-2-2 153 Riverside 2 mi w Oak Mt.; San Jacinto quad 609 Comment
  UCR225190  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  CHSC109245  Ceanothus cuneatus Scott D. White; Justin M. Wood 2008-6-18 12251 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp summit, S/W of hwy 79. 1430 Comment
  CAS-BOT-BC83811  Ceanothus cuneatus var. cuneatus D. O. Burge 2008-4-27 982 b Riverside Tucalota Creek watershed, roadside on Sage Road (County Road R3) 730 Comment
  UC1018192  Ceanothus cuneatus var. cuneatus J. Warren 1952-5-25 Riverside w Idylwild 1371 Comment
  RSA783160  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3512 Riverside South access road to Thomas Mt., 1.5 mi. W of Pines-to-Palms Hwy. 1418 Comment
  RSA296125  Ceanothus leucodermis Barry A. Prigge 1980-8-11 3902 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  RSA399317  Ceanothus leucodermis E. Crow 1929-4-21 340 Riverside Hills west of Lake elsinore Comment
  UC1292595  Ceanothus leucodermis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23109 Riverside on road to Elsinore 10 mi n Pala; n of Pala Comment
  UCR138754  Ceanothus leucodermis Scott D. White 1997-5-18 5183 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR59767  Ceanothus leucodermis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  LA44898  Ceanothus oliganthus var. orcuttii W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  SD131176  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mile west of lake. Restricted to series of north facing slopes 609 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR93033  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7890 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  RSA0018938  Ceanothus palmeri Toppenberg 1961-5-12 s.n. Riverside Idyllwild. Comment
  RSA160406  Ceanothus papillosus var. roweanus J. D. Olmsted 1959-4-17 413 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  CAS-BOT-BC51929  Ceanothus perplexans H. M. Hall 1899-5-1 s.n. Riverside Cahuilla Comment
  RSA0022327  Ceanothus perplexans Justin M. Wood 2009-3-10 347 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  UCD112521  Ceanothus perplexans Richard Bates 1949-5-21 s.n. Riverside Hemet Lake area, meadow on the way to Pinon Flats, San Jacinto Mtns. Comment
  UCR268311  Ceanothus perplexans Jim Andre 2012-6-15 30497 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  CAS-BOT-BC63259  Ceanothus tomentosus var. olivaceus P. Munz; L. Street; G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  UC284195  Centaurea melitensis P. A. Munz 1923-6-18 7123 Riverside 3 mi n of Lake Elsinore 411 Comment
  CAS-BOT-BC284479  Centaurea solstitialis Scott D. White; Mike Wilcox 1995-7-13 3473 Riverside Alluvial fan below unnamed canyon +- 1/4 mi SW of Grand Ave. (City of Lk. Elsinore), directly downslope from hairpin trun on SH 74, NE Santa Ana Mtn. foothills 487 Comment
  CLARK-A1045-865  Centaurium venustum George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  UCR22142  Centaurium venustum Steve Boyd 1980-6-4 315 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR266905  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Bloome Parcel, 2550 ft. north of San Jacinto River, 1580 ft. south of South Contour Rd., 4700 ft. east of Mystic Lake Duck Club 433 Comment
  POM13108  Centrostegia thurberi P. A. Munz, I. M. Johnston 1922-5-21 5508 Riverside Kenworthy 1402 Comment
  UCR25793  Cerastium glomeratum John C. Roos 1952-4-16 5556 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  RSA289872  Ceratophyllum demersum B. A. Prigge 1980-9-17 4092 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel. -55 Comment
  POM8988  Cercidium floridum Mary F. Spencer 1920-4-9 755 Riverside Colorado desert near Palm Springs Comment
  RSA171391  Cercocarpus betuloides J. D. Olmsted 1962-3-5 3490 Riverside Ravine at edge of Thomas. Mt. fire road south of Hemet Lake, NE flank of Thomas Mt.. 1418 Comment
  CAS-BOT-BC279539  Chaenactis artemisiifolia Cecil Hart 1922-5-21 20 Riverside San Jacinto Mt. Comment
  UCR135996  Chaenactis artemisiifolia Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  CAS-BOT-BC276396  Chaenactis carphoclinia H. M. Hall 1905-4-1 5841 Riverside Canyon Springs, Colorado Desert Comment
  UCSB7217  Chaenactis carphoclinia Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  POM307228  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1993 Riverside Colorado Desert, North of Blythe Comment
  RSA735399  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11226 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
  UCR72241  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-2 91- 128 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  CAS-BOT-BC276917  Chaenactis fremontii Geo. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  CAS-BOT-BC276926  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazon Comment
  RSA682173  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SD247580  Chaenactis fremontii J. Mark Porter, Leigh A. Johnson 1997-3-10 11464 Riverside Whitewater Canyon, ca. 1.0 mile north of Whitewater (along Interstate 10). 473 Comment
  UC34696  Chaenactis fremontii H. M. Hall 1902-4-11 2807 a Riverside Coyote Canon, w borders of Colorado Desert Colorado Desert, Coyote Canon 152 Comment
  UC894466  Chaenactis fremontii Milo S. Baker Apr 3 1928-Apr 4 1928 30186 Riverside about Palm Canon Palm Canon Comment
  UCR102918  Chaenactis fremontii George K. Helmkamp 1998-2-5 2636 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR277637  Chaenactis fremontii A. C. Sanders, Jim Malusa 2017-1-14 42662 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UC1922024  Chaenactis fremontii Robert F. Thorne, M. Z. Thorne 1973-3-30 42674 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  UCR132915  Chaenactis glabriuscula 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
  UCSB11119  Chaenactis glabriuscula Haines, Bruce 1962-5-5 Riverside 6.6 miles south of Banning on Banning to Idyllwild Road 1158 Comment
  JEPS34147  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1914-5-25 6074 Riverside Banning Comment
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Mar 13 2011
  RSA523317  Chaenactis glabriuscula var. glabriuscula G. H. True 1935-3-15 112 Riverside Box Springs 34 Comment
  UC1563130  Chaenactis glabriuscula var. glabriuscula Steven Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3608 Riverside around n extension of Woodchuck Rd. (n of Hwy 79, Vail Lake area, Kolb Creek drainage); Vail Lake, Kolb Creek 487 Comment
  UCSC001214  Chaenactis glabriuscula var. glabriuscula Peter Kamb 1948-5-6 941 Riverside Hall Canyon, San Jacinto Mts. 1094 Comment
  UCR20191  Chaenactis parishii Jeanine Derby 1977-1 s.n. Riverside Santa Rosa Mtns., Santa Rosa Mountain, along FS Route 7S02 [near Mountain Home Spring] 1951 Comment
  RSA781659  Chaenactis stevioides Duncan S. Bell 2009-3-8 80 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 479 Comment
  SEINET3102124  Chamaesyce abramsiana Marc A. Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7km northwest of the summit of McCoy Peak, 21km northwest of Blythe, lower bajada on the east flank of the McCoy Mountains. 170 Comment
  RSA556453  Chamaesyce albomarginata Julie Greene 1993-4-30 1275 Riverside San Jacinto Wildlife Area. S of visitor center road and North of the old San Jacinto River drainage 433 Comment
  RSA782276  Chamaesyce micromera R. W. Spjut 2007-10-12 16154 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  SBBG4020  Chamaesyce micromera H. and M. Dearing 1936-12-25 946 Riverside Thousand Palms Cyn Comment
  SEINET3090014 Image available Chamaesyce polycarpa John Adams 1965-4-17 131 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  UC17664  Chamaesyce polycarpa S. B. Parish Apr 4 1896-Apr 13 1896 4143 Riverside Palm Springs (Agua Caliente), base of mountain San Jacinto Mtn Comment
  RSA644206  Chamaesyce polycarpa var. polycarpa V. W. Steinmann 1999-10-26 1416 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  RSA544310  Chamaesyce serpens Steve Boyd 1991-7-13 6416 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  JOTR33671  Chamaesyce setiloba La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2661 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA685683  Cheilanthes clevelandii M. B. Dunkle 1934-6-18 3991 Riverside Upper San Juan Canyon. Comment
  CAS-BOT-BC70033  Cheilanthes covillei Annie M. Alexander; Louise Kellogg 1941-5-4 2119 Riverside Barker Dam 1322 Comment
  RSA162781  Cheilanthes covillei J. Olmstead 1959-11-28 1086 Riverside Snow Creek on alluvium near junction of falls creek and Snow creek, San Jacinto Mountain Range. 609 Comment
  RSA685805  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 349 Riverside Andreas Canyon watershed. 366 Comment
  UCR218474  Cheilanthes parryi Jim Andre, T. La Doux 2009-3-10 11252 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
  POM319738  Chenopodium berlandieri Patricia Wilder 1970-10-15 4791 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  UCR167303  Chenopodium botrys Scott D. White, Jennifer H. Jones 2005-5-24 11093 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  SD234928  Chenopodium desiccatum Mitch Provance 2003-6-7 7611 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
  UCR272128  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  UCR176677  Chenopodium missouriense G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR208489  Chenopodium murale Scott D. White, Justin M. Wood 2009-3-24 12581 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  UCR4695  Chenopodium murale R. A. Anderson 1964-12-25 64 Riverside Riverside, Chicago Avenue & Blaine Street. 152 Comment
  CSUSB732  Chilopsis linearis K. A. Lamb 1968-4-21 680421 4 Riverside Colorado Desert Approx. 10 miles northeast Mecca on Highway 195, Colorado Desert wash. Comment
  RSA342559  Chilopsis linearis R. F. Thorne, W. A. Tilforth 1980-5-28 54203 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
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Jun 25 2008
  SD255117  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 285 Comment
  UC1929903  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR193859  Chilopsis linearis A. C. Sanders 2008-7-25 35925 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road at foot of Jackrabbit Trail, N of Mystic Lake and E of Quail Lake Golf Course 462 Comment
  JOTR32319  Chilopsis linearis subsp. arcuata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UCR266259  Chloracantha spinosa D. E. Bramlet 2006-8-11 4046 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  UC729735  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside 20 mi w Blythe (on the Mecca Road); Colorado Desert, Chuckwalla Valley 121 Comment
  UCR2285  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Riverside, on the Bell lot, Massachusetts Avenue 290 Comment
  CAS-BOT-BC39668  Chorispora tenella D. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m. south of the intersection of Florida Ave. and Warren Road. The site is alongside Warren Rd. 457 Comment
  RSA781748  Chorizanthe brevicornu Duncan S. Bell 2011-12-30 3044 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA781395  Chorizanthe corrugata Duncan S. Bell 2010-5-1 902 A Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR148853  Chorizanthe corrugata 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
  SD245440  Chorizanthe fimbriata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  RSA392577  Chorizanthe leptotheca N. C. Cooper 1949-6-29 4329 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR189789  Chorizanthe leptotheca Kelly Schmoker 2007-7-12 086 Riverside Peninsular Range; San Jacinto Mountains, North San Jacitno Mountains, c. 5 km southwest of Idyllwild Comment
  RSA700060  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  UCR260598  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41472 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 2.8 miles east (92 deg. ) of Cabazon, c. 1.1 mi. NNW (340 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 456 Comment
  UCR260833  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41522 Riverside San Gorgonio Pass, 1.7 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10, east of Elm St. 494 Comment
  RSA356652  Chorizanthe polygonoides var. longispina Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47305 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  SD181399  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside Santa Ana Mountains Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash Comment
  UCR213674  Chorizanthe polygonoides var. longispina Michael Honer 2003-4-16 1828 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  SBBG101672  Chorizanthe procumbens S. Boyd with Mistretta 1991-5-22 6294 Riverside Vail Lake area, base of Agua Tibia Mtn E of Dorland Mtn, W of Kolb Crk; T8S, R1W, SW1/4 S20, NE1/4 S30 548 Comment
  UCR217552  Chorizanthe procumbens Diane Menuz 2008-4-24 431 Riverside Peninsular Range: Santa Ana Mts, Cleveland Natinal Forest. Along Los Alamos Canyon. 70 m north of Wildomar Road 409 Comment
  RSA11585  Chorizanthe xanti var. leucotheca C. Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  POM21137  Chrysolepis sempervirens T. M. Pedersen 1908-07 s.n. Riverside Tahquitz Valley. 2439 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  POM316422  Chrysothamnus paniculatus R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55386 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles north of Whitewater Post Office 595 Comment
  RSA696812  Chrysothamnus paniculatus W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  UCR167333  Chrysothamnus paniculatus Scott D. White, Jennifer H. Jones 2005-5-24 11105 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA93245  Chrysothamnus paniculatus F. W. Peirson 1920-12-29 2334 Riverside 1.5 miles E of Whitewater Station near Point of Rocks 305 Comment
  SBBG100294  Chylismia brevipes W. L. Halvorson 1977-2-5 77 -7 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  JOTR36456  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3426 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  UCSB44671  Chylismia claviformis Hibbard, Doug 1977-5-16 Riverside Off NW side of Hwy 74; 11.8 miles from its intersection with Hwy 111 1036 Comment
  CAS-BOT-BC160584  Chylismia claviformis subsp. aurantiaca P. D. Hurd 1963-4-11 344 Riverside Porcupine Wash, Joshua Tree National Monument Comment
  UC520280  Chylismia claviformis subsp. aurantiaca A. N. Dunn and A. M. Martin 1932-3-26 Riverside Coachella Comment
  UCSB7336  Chylismia claviformis subsp. aurantiaca Hawkins, L. 1956-4-14 Riverside at entrance to white water canyon Comment
  JOTR38693  Chylismia claviformis subsp. claviformis Hodges, Stephen R. 2017-2-7 709 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
  RSA0125087  Chylismia claviformis subsp. claviformis Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8768 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA0059652  Cirsium occidentale Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4587 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 525 Comment
  POM19635  Cirsium occidentale var. californicum Mary F. Spencer 1923-7-20 2210 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  CAS-BOT-BC286460  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside South end of Santa Rosa Mts. Comment
  POM222558  Cirsium scariosum P. A. Munz 1941-5-18 16654 Riverside North end of Santa Rosa Ranch, Elsinore Mountains 854 Comment
  RSA573434  Cirsium vulgare Steve Boyd, Timothy S. Ross 1994-9-14 8341 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  UCR202602  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR22001  Cirsium vulgare Steve Boyd 1980-7-6 321 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA699173  Cistanthe monandra J. Russell Bruff 1928-4-2 110 Riverside Canyon wash 1 mile west of Morengo. Comment
  POM153234  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside Santa Ana canyon, 8 miles west of Prado. 400 Comment
  CAS-BOT-BC164316  Clarkia delicata Earl W. Lathrop 1989-5-10 s.n. Riverside Tin Mine Cyn. 4 miles SW Corona Comment
  RSA162768  Clarkia dudleyana J. D. Olmsted 1959-4-30 510 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona; Mt. Range: Santa Ana Mts; Drainage area: to Santa Ana River. Comment
  RSA559449  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross 1992-5-5 7219 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA674597  Clarkia purpurea subsp. quadrivulnera Scott D. White 2000-8-5 8103 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UC1928631  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Aydee Virgen 2004-4-13 10875 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR220120  Claytonia parviflora D. E. Bramlet 1989-4-7 1819 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  RSA524239  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4035 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA33786  Claytonia perfoliata subsp. intermontana N. C. Cooper 1944-5-21 1301 Riverside San Jacinto Mountains, West side 915 Comment
  RSA359868  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM188067  Clematis ligusticifolia L. Crutcher 1933-8-19 20 Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  UCR34880  Cnicus benedictus L. B. Ziegler 1974-5-26 528 Riverside San Jacinto Valley, city of San Jacinto 473 Comment
  JEPS24218  Collinsia concolor Peter H. Raven 1958-5-18 13004 Riverside Pinyon Flats San Jacinto Mountains (near stream) Comment
  SFV22082  Collinsia concolor D. S. Bell, V. Arvizu 2010-5-24 1096 Riverside San Jacinto Mountains Garner Valley, along old road about 2.8 air miles southeast of junction of USFS Road 6S04 and USFS Road 6S13. 1382 Comment
  UC1518619  Collinsia concolor Drs. Fosberg, Sachet, & Herbst 1983-4-23 55457 Riverside 3.3 mi n Whitewater Post Office (side canyon on w side of Whitewater Canyon); San Bernardino Mtns 594 Comment
  SBBG47466  Collinsia heterophylla N. C. Cooper 1944-6-17 1429 Riverside Pine Cove 1371 Comment
  JOTR30263  Colubrina californica Leary, Pat 1987-5-21 3833 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  RSA522703  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3890 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
  UCR166292  Convolvulus simulans Chris E. True 2005-4-18 s.n. Riverside Peninsular Range, South of Lake Mathews near ranger station for Lake Mathews/Estelle Mtn. Preserve 451 Comment
  UCR123601  Conyza canadensis D. E. Bramlet 2000-8-30 3072 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  POM10039  Conyza coulteri E. A. Zumbro 96 Riverside Cold Water Canyon, bridge over old canal. Comment
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Apr 10 2016
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA741599  Conyza floribunda Justin M. Wood 2008-9-22 164 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  POM161396  Cordylanthus rigidus subsp. setiger H. M. Hall 1901-08 2621 Riverside In open pine forests in the vicinitu of Strawberry Valley. 1585 Comment
  RSA773040  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5041 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UC33126  Coreopsis bigelovii W. G. Wright Riverside Comment
  POM6544  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2388 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  JEPS41858  Corethrogyne filaginifolia Carl V. Meyer 1928-7-30 574 Riverside Saunder's Meadow; San Jacinto Mts. 1706 Comment
  LA205801  Corethrogyne filaginifolia Harlan Lewis; 1939-10-23 1023 Riverside 1523 Comment
  POM356161  Corethrogyne filaginifolia M. M. Thompson 1947-8-23 c 2051 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  POM13094  Coryphantha alversonii P. A. Munz 1922-4-12 5014 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  JEPS37546  Cotula coronopifolia Marjorie D. Clary 1932-7-3 1230 Riverside 6 mi w of Aguagua 579 Comment
  SD232220  Crocanthemum aldersonii Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 334 Comment
  RSA0125370  Crossosoma bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8767 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  POM87335  Croton californicus Marcus E. Jones 1903-5-11 A.M. Riverside Banning. 701 Comment
  RSA770782  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4604 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG95103  Croton californicus S. D. White 1990-7-12 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  SEINET6062496  Croton californicus S. B. Parish Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR234256  Cryptantha A. C. Sanders, T. B. Salvato 2012-4-27 40087 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  CLARK-A1528-2210  Cryptantha angustifolia John C. Roos 1947-2-14 3254 Riverside Eagle Mountains Comment
  JEPS67469  Cryptantha angustifolia Marjorie D. Clary 1933-2-26 2067 Riverside road from Indio to Fargo Cnayon; Colorado Desert 91 Comment
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Oct 31 2011
  RSA48332  Cryptantha angustifolia E. K. Balls 1949-4-4 12968 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  UCD119593  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas. 15 Comment
  UCR97487  Cryptantha angustifolia A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19676 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  RSA27902  Cryptantha barbigera C. L. Hitchcock 1940-4-3 5932 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA782079  Cryptantha barbigera Duncan S. Bell 2009-3-9 118 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SBBG119609  Cryptantha barbigera G. K. Helmkamp 1984-5-2 D- 26 Riverside Big Morongo Cyn, 3-3.5 mi below the caretaker's house at the Big Morongo Preserve 550 Comment
  SEINET10455559  Cryptantha barbigera Thorne 1980-4-16 THORNE 54048 Riverside San Bernardino Mts: Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  JOTR33967  Cryptantha circumscissa var. circumscissa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2853 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  UCR183022  Cryptantha corollata Mitch Provance 2005-5-27 4600 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA0078965  Cryptantha cycloptera Scott D. White 2001-4-3 8275 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA0023243  Cryptantha dumetorum J. Andre 2013-3-4 23868 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  POM212930  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  POM368267  Cryptantha intermedia Christopher Davidson, Robert Gustafson 1977-4-7 5579 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  RSA527836  Cryptantha intermedia Scott D. White 1991-5-10 91 -122 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA645677  Cryptantha intermedia Scott D. White 1999-5-2 7295 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Feb 22 2008
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  UC604898  Cryptantha intermedia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9665 Riverside foot of grade, State Highway 74, along San Jacinto River San Jacinto River Comment
  UC665737  Cryptantha intermedia Ira L. Wiggins 1941-3-27 9697 Riverside 4 mi n Whitewater Comment
  SEINET10456281  Cryptantha intermedia Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7144 Riverside Scattered Yellow Pine at margin of large valley, 5.9 mi SE of jct of Idlewild Road & Hwy 74 on 74. 1341 Comment
  UC1606965  Cryptantha maritima Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52033 Riverside Palms to Pines Highway San Jacinto Mountains, Chino Canyon Comment
  POM99142  Cryptantha maritima Marcus E. Jones 1926-2-16 s.n Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA526079  Cryptantha microstachys Steve Boyd, Timothy S. Ross 1990-5-11 4653 A 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
  SBBG118781  Cryptantha microstachys S. D. White 1999-6-6 7442 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  SD136881  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Santa Ana Mountains: San Mateo Canyon Wilderness Area. Western flank of Bluewater canyon along Bluewater Trail 340 Comment
  UCR162877  Cryptantha muricata T. B. Salvato, Kelly Volansky 2003-3-27 125 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR177998  Cryptantha muricata 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
  UCR93063  Cryptantha muricata A. C. Sanders, S. Ogg 1994-7-28 15172 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  VVC126  Cryptantha muricata A. C. Sanders, J. Mac 1997-5-4 20658 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
  JOTR35073  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3525 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  JOTR35502  Cryptantha utahensis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3190 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  SEINET3082945 Image available Cucurbita palmata C. M. Flanagan 1971-5-23 Riverside On the shoulder of 2 mile road, 29 Palms. Comment
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Mar 26 2014
  RSA180509  Cuscuta californica E. W. Lathrop 1965-3-25 5683 Riverside 4 miles south of Murrieta on the De Luz road. Comment
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Jul 7 2012
  UCR281261  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417- 25 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  UCD98514  Cycloloma atriplicifolium K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  SEINET4604342 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4 km west of Aztec Well, 75 km east of Indio; Desert Center 7.5' USGS topographic quadrangle 727 Comment
  RSA483552  Cynodon dactylon H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  RSA500992  Cynodon dactylon Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3111 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  POM228970  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR119436  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23097 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR125280  Cyperus odoratus A. C. Sanders 2002-11-21 25652 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR274195  Cyperus squarrosus T. B. Salvato, Melissa Clemons 2005-6-6 1420 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
  RSA751278  Cystopteris fragilis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35646 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA781611  Dalea mollis Duncan S. Bell 2011-12-30 3037 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR182833  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of Hwy 62, along Colorado River Aqueduct 277 Comment
  POM172738  Dalea mollissima M. French Gilman 1930-4-6 1 Riverside East of Mecca. Comment
  UCR139724  Dalea mollissima B. G. Pitzer 1989-4-15 1289 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Ridgeline Road, c. 0.5 km west of Gasline Road, 5.5 km (airline) SE of Tabaseca Tank 680 Comment
  SEINET10486082  Dalea schottii David B. Dunn 1946-3-15 Dunn 2025 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  POM13632  Dasyochloa pulchella E. C. Jaeger 1921-3-28 1042 Riverside Redrock Canyon, 15 miles east of Mecca Comment
  RSA502504  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SBBG94884  Datisca glomerata B. Pitzer, B. L. Phillips 1988-7-1 1480 Riverside S of Vail Lake, N of Hwy 79, between Kolb and Arroyo Seco Crks, ca. 0.25 mi W of Dripping Springs Guard Station 487 Comment
  UCR90587  Datisca glomerata Scott D. White 1995-6-29 3381 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  SEINET7048217  Datisca glomerata Steven R. Hill, Andrew C. Sanders 2001-5-4 33730 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters), Fallbrook 7.5' quad. Elevation 1140-1180 feet. 359 Comment
  UC724162  Datura discolor Aven and Ruth Nelson 1939-3-28 3299 Riverside s. Mecca (on State Hwy. 111) Comment
  RSA0063033  Datura meteloides Andrew Haimov, April Sleigh 1992-5-19 91 Riverside West side of Davis Road, 1 mile south of Allessandro Road. Comment
  RSA713777  Daucus pusillus A. C. Sanders 2005-4-22 29583 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UC1929933  Deinandra fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  SD232184  Deinandra mohavensis V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacintio Mountains region: McCall Memorial Park Campground. 1310 Comment
  RSA714017  Deinandra paniculata R. E. Riefner 2004-8-27 04 -398 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt access road to Hidden Valley Wildlife Reserve. 221 Comment
  SD137876  Deinandra paniculata Darin L. Banks, Steve Boyd 1995-10-26 829 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Woodchuck Trail. 940 Comment
  JEPS23348  Delphinium cardinale W. L. Jepson May 17 1901-Jun 1 1901 1572 Riverside Temescal Wash Comment
  LA207622  Delphinium parishii subsp. subglobosum Carl Epling; 1937-5-7 sn Riverside 2 mi. above PInon Flats, Palms to Pines Hwy Comment
  RSA180502  Delphinium parryi E. W. Lathrop 1960-5-27 s.n. Riverside 6 miles west of Murrieta. Comment
  RSA0020476  Delphinium parryi subsp. parryi R. S. Woglum 1941-6-12 3062 Riverside Idyllwild. Comment
  SD137654  Delphinium parryi subsp. parryi Darin L. Banks 1995-5-3 193 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along Arroyo Seco 500 Comment
  UC64114  Delphinium patens subsp. hepaticoideum H. M. Hall May 1899 1175 Riverside El Toro Mt. San Jacinto Mountains Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  UCR280987  Deschampsia danthonioides Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 59 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 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
  UCR24984  Deschampsia elongata A. C. Sanders 1980-8-21 1778 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
  POM369561  Descurainia obtusa subsp. adenophora Lester H. Cushman 18058 Riverside Idyllwild Comment
  UCR201645  Descurainia pinnata Scott D. White, Justin M. Wood 2008-6-5 12060 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  SD38252  Dicentra chrysantha Newton 1931-5-10 2073 Riverside Murrieta Canyon Comment
  SDSU13538  Dicentra chrysantha W. Miller, C. Mosse 1972-7-19 Riverside 50 feet south of dump on south road. Comment
  UCR160689  Dichelostemma capitatum John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA263742  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1968-5-17 6890 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  SEINET7040156  Dichelostemma congestum A. G. Vestal 1962-4-8 Riverside Ca. 1.3 miles north north east of Lake Elsinore (Elsinore).UTM Zone 11, 469934mE, 3729065mN. Comment
  RSA501071  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3189 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  CAS-BOT-BC292189  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside Whitewater Wash along Snow Creek Road near State Highway 111 350 Comment
  OBI26119  Dicoria canescens David J. Keil 1976-12-12 11928 Riverside along I-10, 37 mi E of Chiriaco Summit Comment
  UC892747  Dieteria asteroides var. asteroides Duranto Street 1918-5-13 1 Riverside near Hemet 335 Comment
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Mar 24 2011
  SFV7078  Dieteria canescens var. canescens T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 778 Riverside Bottomlands of Colorado River along Agnes Wilson Road. About 1.5 miles east of U.S. Highway 95. 102 Comment
  CAS-BOT-BC209014  Digitaria sanguinalis Mary F. Spencer 1919-7-6 1265 Riverside Lacquitz Meadow, San Jacinto Mts. 2377 Comment
  CAS-BOT-BC150929  Diplacus bigelovii var. bigelovii H. M. Hall 1905-5-1 6011 Riverside Cottonwood Springs 670 Comment
  CHSC1758  Diplacus brevipes E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA0019422  Diplacus fremontii N. C. Cooper 1944-5-21 1224 Riverside San Jacinto Mtns. West Side. 915 Comment
  RSA0018427  Diplacus longiflorus var. calycinus Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38133 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA0018435  Diplacus longiflorus var. calycinus N. C. Cooper 1944-7-15 1554 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  RSA0018431  Diplacus longiflorus var. longiflorus Scott D. White, Michael Honer 2004-4-6 10042 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  CAS-BOT-BC150263  Diplacus puniceus Steve Boyd; Aydee Virgen 2004-4-13 10850 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR239908  Diplotaxis muralis O. F. Clarke 2003-4-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JOTR30264  Ditaxis lanceolata Leary, Pat 1987-5-21 3830 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  POM122228  Ditaxis lanceolata Theodore Labochere 1915-04 204 Riverside Borders on the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs; near the mouth of Chino Canyon. Comment
  RSA792572  Ditaxis lanceolata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 148 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  SDSU3680  Ditaxis lanceolata Pamela A. Beare 1992-3-13 13 III92F Riverside East of Mecca, just north of of Box Canyon Road, 4.9 miles ca. east of Painted Canyon Road. 146 Comment
  JOTR30683  Ditaxis neomexicana Andre, Jim, Tasha La Doux 2008-9-13 10269 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  RSA421751  Ditaxis neomexicana Robert L. Dressler 1951-11-22 1190 Riverside 6 mi. E. of Desert Center. Comment
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Apr 5 2011
  RSA793606  Ditaxis neomexicana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4206 B Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR245988  Ditaxis neomexicana Duncan S. Bell 2012-9-13 4188 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  JEPS52437  Ditaxis serrata W. L. Jepson 1928-4-25 12630 Riverside Pinto Basin, S Mohave Desert 822 Comment
  UCD142316  Ditaxis serrata L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mts. Colorado Desert. Above Deep Canyon. 914 Comment
  POM9301  Ditaxis serrata var. serrata P. A. Munz, R. D. Harwood 1920-4-3 3577 Riverside 30 miles west of Blythe. 366 Comment
  POM13021  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4964 Riverside Indian Wells 107 Comment
  POM47105  Dithyrea californica Mary F. Spencer 1918-3-28 765 Riverside Palm Springs. 137 Comment
  RSA155552  Dithyrea californica L. S. Rose 1962-3-2 62003 Riverside La Quinta 3 Comment
  UC963835  Dithyrea californica Helen K. Sharsmith 1952-4-8 4049 Riverside w lobe Pinto Basin; Mojave Desert, Joshua Tree National Monument 609 Comment
  SEINET5342915  Dithyrea californica N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-22 6453 Riverside Rice Valley, 7 miles south-southwest of Rice. 274 Comment
  RSA783371  Dodecatheon alpinum J. D. Olmsted 1959-7-7 753 Riverside Northern extension of Skunk Cabbage Meadow; 4.5 miles east of Idyllwild 2424 Comment
  UC729877  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3293 Comment
  POM12937  Draba saxosa P. A. Munz 1922-6-28 5870 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  CLARK-A1528-5229  Draba sonorae John C. Roos 1952-3-19 5402 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  IRVC145  Dryopteris arguta Barbara Mawdsley 1965-4-24 HS 528 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  SD9890  Dryopteris arguta F. Youngberg 1933-8-28 Riverside San Jacinto Mountains, Creek - Idyllwild Comment
  RSA423468  Dudleya Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. 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
  UCR214305  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  SD232223  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  SEINET8060016 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 8 Riverside 1/4mi down Hayfield Rd. south of I-10 500 Comment
  UCR62324  Echinocereus engelmannii var. engelmannii 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
  RSA0125251  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4496 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  SD217180  Echinochloa crus-galli Darin L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW foothills of Dorland Mountain; along Los Caballos Road, approx. 0.5 meters south of Highway 79, 100 meters north of the Golf Course access road; along the east side of the road under the drip irrigation line to a vineyard (I(c) mile north of T8S R2W S24) 398 Comment
  UCR113939  Echinochloa crus-galli Mitch Provance, A. C. Sanders 2000-7-4 2107 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR93030  Eclipta prostrata Steve Boyd, D. L. Banks 1994-9-29 8370 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA0036471  Ehrendorferia chrysantha J. M. Andre 2012-6-15 30500 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
  RSA234017  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-6-6 39319 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 624 Comment
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA564498  Eleocharis geniculata A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  CLARK-A1528-15  Eleocharis montevidensis C. M. Flanagan 1973-6-13 OO 709 Riverside Morongo Indian Reservation 1127 Comment
  UCR111781  Eleocharis montevidensis Mitch Provance 1999-5-4 1707 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR207612  Eleusine indica O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  CAS-BOT-BC227736  Elymus elymoides Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38108 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  SEINET10564680  Elymus elymoides Philip A. Munz 1937-5-30 Munz 15083 Riverside Dry banks, northwest slope of Santa Rosa Mts. 2134 Comment
  SD247286  Elymus ponticus A. C. Sanders, T. B. Salvato 2014-7-2 41186 Riverside Peninsular Range: San Jacinto Mtns.; Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Road. (Palm View Peak 7.5'Q) 1555 Comment
  RSA444571  Emmenanthe penduliflora Walter Wisura 1988-3-23 4215 Riverside In wash along trai aproaching 49 palms oasis, Joshua Tree National Comment
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Sep 7 2013
  SD133074  Emmenanthe penduliflora Scott White 1991-5-13 91 97 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UC56881  Emmenanthe penduliflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  UCR114116  Emmenanthe penduliflora B. G. Pitzer, J. Ross 1998-3-8 3611 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  JOTR34048  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2948 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA757796  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4291 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
  CHSC108907  Encelia actoni Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald,L. Reccia 2010-4-13 4916 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  JOTR31162  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
  RSA502503  Encelia actoni Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3723 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  JOTR01257  Encelia actoni Cole, James E. 1942-5-19 969 Riverside Joshua Tree National Park. WHITE TANK AREA 1280 Comment
  UCD131281  Encelia californica E. W. Lathrop 1966-3-30 6082 Riverside Skyline Drive between Tin Mine Canyon and Black Star Canyon. 6 miles west of Corona, Santa Ana Mountains. 426 Comment
Read comments
Jun 16 2013
  CAS-BOT-BC131340  Encelia farinosa H. A. Zuill 1966-6-5 190 Riverside 1 mile SW of Murrieta on the Tenaja Grade Comment
  HSC79045  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy. 60, along Gernert Rd., just above the Santa Fe Railroad tracks 427 Comment
  RSA784750  Encelia farinosa Duncan S. Bell 2012-2-12 3094 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SD229087  Encelia farinosa Dick Schwenkmeyer 2012-5-22 721 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC1334659  Encelia farinosa Nancy Ryan Zabriskie 1969-4-1 173 Riverside near Palm Springs; Andreas Canyon 152 Comment
  UCD131200  Encelia farinosa Nancy Ryan Zabriskie 1969-4-1 173 Riverside Andreas Canyon, near Palms Springs. 152 Comment
  UCR196376  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR37792  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  UCSB6481  Encelia farinosa Leeuwen, Henry 1957-4-12 Riverside In Whitewater Canyon; 1 mile from US 60-70-99 Comment
  POM356697  Encelia farinosa var. farinosa A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  RSA475298  Encelia farinosa var. farinosa Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2127 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA792915  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  CAS-BOT-BC81534  Ephedra californica LeRoy Abrams 1903-4-6 3204 Riverside Palm Springs Comment
  RSA339625  Ephedra californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54162 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  SEINET5332412 Image available Ephedra clokeyi I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  SEINET3220794 Image available Ephedra fasciculata Norman C. Cooper 1949-4-8 3285 Riverside Shaver's Summit east of Indio. Comment
  RSA775801  Ephedra trifurca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 987 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA796328  Ephedra trifurca Duncan S. Bell 2009-4-19 280 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA787332  Epilobium adenocaulon var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  SD193323  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2005-8-31 31579 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek; 0.5 mile north of Tenaja Rd. 671 Comment
  UCR35214  Epilobium canum L. B. Ziegler 1967-9-6 243 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  CAS-BOT-BC166138  Epilobium canum subsp. canum Lathrop; Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  RSA589084  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 795 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
  CAS-BOT-BC171739  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-4 199 Riverside Strawberry Valley Trail, San Jacinto Mts. 1584 Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  UC874272  Epilobium canum subsp. latifolium I. W. Clokey and E. G. Anderson 1935-8-21 6773 Riverside n Keen Camp P.O. 1400 Comment
  UCR54427  Epilobium canum subsp. latifolium A. C. Sanders, E. J. Lawlor 1988-10-22 8734 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  POM3143  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  POM48929  Epilobium ciliatum subsp. glandulosum P. A. Munz, I. M. Johnston 1924-7-27 8732 Riverside Deer Springs, San Jacinto Mountains 2500 Comment
  POM48603  Epilobium glaberrimum subsp. glaberrimum Mary F. Spencer 1919-7-2 1238 Riverside Idyllwild. San Jacinto Mountains. Comment
  RSA617990  Epilobium pygmaeum R. E. Riefner Jr. 1998-9-13 98 -476 Riverside Elsinore Trough; Wildomar. Comment
  POM14107  Eremalche rotundifolia P. A. Munz, D. D. Keck 1922-4-9 4874 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UC218033  Eremalche rotundifolia P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4874 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UCR51972  Eremalche rotundifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2156 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA192164  Eremocarpus setiger E. W. Lathrop 1959-9-11 4649 Riverside 14 miles west of Murrieta. Comment
  SBBG63731  Eremocarya lepida R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1981 Comment
  UCR251578  Eremothera boothii subsp. condensata Jim Andre 2013-3-27 24841 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  CDA37644  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  UCR162890  Eriastrum A. C. Sanders, K. C. Rose 1995-4-5 16383 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CAS-BOT-BC514306  Eriastrum densifolium subsp. austromontanum H. M. Hall 1901-7-1 2384 Riverside San Jacinto Mountains 1584 Comment
  RSA0108902  Eriastrum densifolium subsp. austromontanum Robert Kessler 1920-1 17054 Riverside San Jacinto Mts. Comment
  JOTR31169  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  RSA0110545  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mnts: Jensen Quarry, Sunnyside area on W side of SIerra Blvd, just E of corner of 29th St. and Scenic Drive. 299 Comment
  RSA0110541  Eriastrum densifolium subsp. elongatum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3651 A Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  UC68784  Eriastrum diffusum H. M. Hall Apr. 1905 5965 Riverside near McCoy Wash; Colorado Desert 91 Comment
  RSA0121256  Eriastrum eremicum subsp. eremicum Christopher Davidson, B. Gustafson 1977-4-7 5572 Riverside Whitewater Canyon Road, (exit from I-10 ca. 2.5 miles W of junction I-10 with State 62. Near start of Angeles [actually Pacific] Crest Trail). 610 Comment
  UCR280929  Eriastrum filifolium Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 31 Riverside Temescal Valley, Mayhew Wash, N side of Temescal Canyon Rd., vicinity of I-15 320 Comment
  SBBG5826  Eriastrum sapphirinum H. and M. Dearing 1940-6-8 4354 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  UC1563125  Eriastrum sapphirinum Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3533 Riverside recent burn in hills just sw dam; Vail Lake area 487 Comment
  UC774165  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  UCR139612  Eriastrum sapphirinum A. C. Sanders 2004-7-1 28385 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR177027  Eriastrum sapphirinum Tracy Tennant 1998-6-5 s.n. Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  UCR121234  Eriastrum sapphirinum subsp. ambiguum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2271 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0122955  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6946 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  SD146197  Eriastrum sapphirinum subsp. sapphirinum A. C. Sanders, S. D. Boyd, et al. 1998-10-25 22281 Riverside Pine Meadow along Highway 74 in Garner Valley, 1.0 mile northwest of Highway 371 junction to Anza. 1441 Comment
  RSA0063623  Eriastrum sapphirinum subsp. sapphirinum J. D. Olmsted 1959-8-18 784 Riverside Reservoir Hill at Desert Sun School near Idyllwild. Mt. Range: San jacinto; Drainage Area: M. Fk. S. Jacinto R. 1646 Comment
  RSA0122976  Eriastrum sapphirinum subsp. sapphirinum W. Wisura 1986-9-18 4143 Riverside Along PCT N of Hwy 74 at Garner Valley. Comment
  JOTR34482  Ericameria linearifolia Andre, Jim 2012-4-16 20965 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  RSA342552  Ericameria linearifolia R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 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
  UCD131421  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 491 Riverside West of Sugarload Mountain along Carrizo Road (6S03); northwest of Hwy 74, Santa Rosa Mountains. 1219 Comment
  RSA602647  Ericameria nauseosa var. bernardina Scott D. White 1996-8-16 4488 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  SBBG119024  Ericameria palmeri var. pachylepis S. D. White with M. Honer 2004-4-6 10047 Riverside Temescal Valley, just N of the I-5 and E of Indian Truck Trail, S and W of Lee Lake (Alberhill: 33 deg 45'N, 117 deg 26'30"W; T5S R5W S7, SW1/4, and adjacent S 12) 335 Comment
  UC322979  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  UC496496  Ericameria teretifolia Philip A. Munz 1932-10-16 12872 Riverside to Vandeventer Flat road Indio (n slopes of Santa Rosa Mts.); Santa Rosa Mts. 1066 Comment
  POM161535  Erigeron breweri var. porphyreticus Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Peak. 2591 Comment
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Nov 4 2011
  SDSU13672  Erigeron canadensis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  RSA212927  Erigeron divergens L. B. Ziegler 1969-5-26 s.n. Riverside Low hillsides at edges of meadows in Hemet Valley, San Jacinto Mts. 1387 Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  SBBG55777  Erigeron foliosus var. foliosus D. Keil, M. McLeod 1977-3-26 12016 Riverside 9 mi E of jct with Interstate 15 along Hwy 79 518 Comment
  CAS-BOT-BC189085  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyon, N slope Santa Rosa Mountains 1316 Comment
  POM230161  Eriodictyon crassifolium I. W. Clokey, Edward Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  RSA627478  Eriodictyon crassifolium A. C. Sanders 1999-5-31 22797 Riverside upper Two Trees Canyon, E of Belvedere Heights 610 Comment
  SEINET10935932  Eriodictyon crassifolium James S. Miller 1992-5-8 Miller 7453 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCSB22454  Eriodictyon crassifolium Rieser, R. 1966-5-15 Riverside 1.5 miles south of Interstate 10 on Banning-Idyllwild Rd., San Jacinto Mts. 762 Comment
  CLARK-A1528-2971  Eriodictyon trichocalyx John C. Roos 1948-5-1 3814 Riverside Whitewater 609 Comment
  UCR279326  Eriogonum A. C. Sanders, Jim Malusa 2017-3-23 42916 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  CAS-BOT-BC248621  Eriogonum apiculatum Peter Kamb 1950-9-12 1930 Riverside West side of Mt. San Jacinto on ridge north of North Fork of San Jacinto River 2286 Comment
  RSA783744  Eriogonum apiculatum J. D. Olmsted 1959-7-7 757 Riverside Drainage area to Tahquitz Creek. Just NE of north lobe of Skunk Cabbage Meadow E-NE of Idyllwild. 2424 Comment
  UC729819  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside near Idyllwild (Point View); San Jacinto Mts. 1645 Comment
  CAS-BOT-BC242760  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  RSA393468  Eriogonum davidsonii Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  UC56795  Eriogonum davidsonii H. M. Hall May 17 1901-Jun 1 1901 1860 Riverside eastern base San Jacinto Mt. San Jacinto Mt. 914 Comment
  UC574954  Eriogonum davidsonii C. Epling, Wm. Robison 1933-6-26 Riverside Lost Horse Well Little San Bernardino Mountains, Lost Horse Well Comment
  UCR240620  Eriogonum davidsonii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 432 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR60526  Eriogonum davidsonii B. A. Prigge 1980-8-25 4021 Riverside San Jacinto Mtns, San Gorgonio Pass: 1 mi SE of Fingal siding, So. Pacific RR 445 Comment
  SBBG1479  Eriogonum deflexum H. and M. Dearing 1940-6-7 4335 Riverside Box Cyn E of Mecca Comment
  JOTR34367  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-16 20882 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA393285  Eriogonum deflexum var. deflexum S. B. Parish 1912-10-11 8290 Riverside Caleb, Salton Basin. -61 Comment
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Sep 4 2011
  RSA736737  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10683 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  LA29073  Eriogonum fasciculatum Mary V. Hood; 1946-5-18 46- 33 k* Riverside Snow Creek 609 Comment
  RSA393430  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1576 Riverside Banning. 701 Comment
  POM11512  Eriogonum fasciculatum var. polifolium P. A. Munz 1922-7-1 5929 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  RSA393346  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  RSA561115  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7320 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA739340  Eriogonum fasciculatum var. polifolium Keith E. Hoffmaster 1933-4-13 313 Riverside Palm Springs. Comment
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Aug 27 2011
  CAS-BOT-BC253497  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6614 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Statoin, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  RSA192354  Eriogonum gracile var. gracile E. W. Lathrop 1966-5-23 6331 Riverside 6 miles NW of Murrieta. Comment
  RSA766083  Eriogonum inflatum Joseph A. Ewan 1930-4-18 3087 Riverside Dry Morongo Creek below Morongo Valley. 518 Comment
  RSA779725  Eriogonum inflatum Duncan S. Bell 2009-3-8 93 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SBBG1529  Eriogonum inflatum H. and M. Dearing 1936-12-25 49 Riverside 10 mi N of Indio on Aqueduct Rd [Long Cyn] Comment
  CLARK-A1528-3666  Eriogonum maculatum John C. Roos 1958-9-28 Riverside San Jacinto Mountains Comment
  OBI6102  Eriogonum nodosum var. jaegeri Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino cnty line 732 Comment
  SBBG1585  Eriogonum parishii H. and M. Dearing 1937-11-26 110 Riverside below Santa Rosa Spring Comment
  CHSC26394  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Canyon along the eastern periphery. 609 Comment
  UCR41744  Eriogonum reniforme A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6069 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  CAS-BOT-BC268552  Eriogonum saxatile Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC268553  Eriogonum saxatile Annie M. Alexander; Louise Kellogg 1941-4-23 2057 Riverside Morongo Valley Gorge 701 Comment
  CAS-BOT-BC263502  Eriogonum thomasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9573 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  CAS-BOT-BC263503  Eriogonum thomasii Aven Nelson; Ruth A. Nelson 1939-3-30 3351 Riverside Near Desert Center north of Chuckwalla Mts. Comment
  JOTR37423  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  POM279991  Eriogonum thomasii Lyman Benson 1933-3-31 4196 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA796827  Eriogonum thomasii Jim Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  SBBG28232  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Cyn, near Mecca Comment
  UCR16512  Eriogonum thomasii David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  CAS-BOT-BC262878  Eriogonum thurberi A. J. McClatchie 1896-7-7 1162 Riverside Pala Comment
  CAS-BOT-BC262881  Eriogonum thurberi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  CHSC1328  Eriogonum thurberi Sonia R. Westerberg 1938-5-16 Riverside Palm Springs. Comment
  POM47237  Eriogonum thurberi Mary F. Spencer 1920-3-28 s.n. Riverside Palm Springs. 122 Comment
  UCR35086  Eriogonum thurberi L. B. Ziegler 1968-5-7 283 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  JEPS22515  Eriogonum trichopes Rimo Bacigalupi with Paul Hutchison 1958-2-19 6194 -B Riverside 9.4 mi n Blythe (wash at western base of Big Maria Mts.); Big Maria Mts. 167 Comment
  UCR279401  Eriogonum trichopes A. C. Sanders, Jim Malusa 2017-3-25 43022 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
  SBBG64089  Eriogonum vimineum P. A. Munz 1927-5-21 10860 Riverside Cahuilla Comment
  SEINET3087398 Image available Eriogonum wrightii subsp. membranaceum Steve Boyd 1985-10-5 1190 Riverside Gavilan Hills; Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA420615  Eriogonum wrightii var. membranaceum Lester H. Cushman 1931-10 s.n. Riverside Mt. San Jacinto. 2134 Comment
  UCR195146  Eriogonum wrightii var. membranaceum A. C. Sanders, Tim Thomas 2008-8-1 35928 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC297337  Eriophyllum confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 miles SE of Banning on road to Idylwild, San Jacinto Mts Comment
  UCR121327  Eriophyllum confertiflorum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24992 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UCR175076  Eriophyllum confertiflorum Teresa Nieto 2005-4-24 19 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  JOTR32188  Eriophyllum confertiflorum var. confertiflorum 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
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  RSA757630  Eriophyllum wallacei LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4324 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
  UCR137705  Erodium brachycarpum D. L. Banks 1997-3-16 1541 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR199916  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  UCR154547  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-13 680 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
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Feb 3 2015
  SD119897  Erythranthe guttata Louis B. Ziegler 1967-7-17 187 Riverside San Jacinto Mountains. Hemet Valley. Near Herkey Creek Canyon. Moist ground 1584 Comment
  SD107130  Erythranthe palmeri Barbara Ertter, J. Strachan 1979-6-26 2975 Riverside Kenworthy Forest Station on Rt 74 in Garner Valley, San Jacinto Mountains Comment
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Mar 25 2011
  CAS-BOT-BC83131  Eschscholzia minutiflora Annie M. Alexander; Louise Kellogg 1941-5-15 2179 Riverside North base of Eagle Mountains. 914 Comment
  CAS-BOT-BC83140  Eschscholzia minutiflora Richard Snow 1952-4-13 7 Riverside Box Canyon, Orcopia Mountains. Comment
  POM220074  Eschscholzia minutiflora F. R. Fosberg 1932-3-13 8070 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA550266  Eschscholzia minutiflora Walter Wisura, Michael Wall, John Dolan 1992-3-24 4630 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  UCR144756  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  CAS-BOT-BC83128  Eschscholzia minutiflora Carl B. Wolf 1932-4-29 3106 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 miles south of Browns Weel. 243 Comment
  CAS-BOT-BC419607  Eschscholzia parishii W. G. Wright 1890-4-1 s.n. Riverside Whitewater, Colorado Desert Comment
  RSA779925  Eschscholzia parishii Jim Andre 2011-2-9 15907 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
  UCR16457  Eschscholzia parishii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon about 8 miles east of Mecca 274 Comment
  RSA0010829  Eucalyptus Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  CAS-BOT-BC520439  Eucalyptus camaldulensis A. C. Sanders; John F. Green 2012-3-20 39978 Riverside Peninsular Range; Elsinore Trough: Lake Elsinore, Collier Ave. at 3rd St., just S of I-15 Fwy 388 Comment
  UC1608076  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5955 Riverside 3 mi. w. San Jacinto (s.e. corner of intersection of Cottonwood Ave. and Warren Rd., Cottonwood (Reflection) Lake); Cottonwood (Reflection) Lake 487 Comment
  CSUSB858  Eucalyptus globulus Joyce Davis 1965-2-28 Riverside On hillside about 500 yards west of Magnolia Drive on Circle City Drive in Corona (city). 204 Comment
  CSUSB109  Eucrypta chrysanthemifolia K. S. Gill 1965-4-18 Riverside On UCR campus 243 Comment
  RSA420858  Eucrypta chrysanthemifolia var. bipinnatifida E. C. Jaeger 1922-3-20 809 Riverside Murray Canyon, Colorado Desert. 366 Comment
  JOTR35074  Eucrypta micrantha La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3526 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  POM47495  Eucrypta micrantha Mary F. Spencer 1920-3-27 1595 Riverside Palm Springs. 122 Comment
  UCR280922  Eucrypta micrantha Fred M. Roberts 2016-3-5 7997 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  CHSC1157  Eulobus californicus M. Garbutt 1935-4-17 Riverside San Gorgonia Pass. Comment
  JOTR38694  Eulobus californicus Hodges, Stephen R. 2017-2-7 710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCR239858  Euphorbia O. F. Clarke 2004-8-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanic Garden 351 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
  UCR116891  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24208 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR191541  Euphorbia albomarginata A. C. Sanders 2008-4-15 34888 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR232028  Euphorbia albomarginata John F. Green 2008-4-15 0408- 02 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA0042921  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-2 6494 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCSB31747  Euphorbia lurida Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UCR114025  Euphorbia maculata Mitch Provance 2000-6-24 2048 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  OBI29469  Euphorbia micromera David J. Keil, Melissa Luckow 1979-8-31 13155 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  SD255144  Euphorbia micromera Duncan S. Bell 2011-9-30 2940 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; ca. 2.0 air miles southwest of the ghost town of Rice. 234 Comment
  UCR256716  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3097 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
  UCR132715  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 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
  RSA499150  Euphorbia palmeri C. Epling, Wm. Robison 1935-6-30 s.n Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  SD181560  Euphorbia parishii Scott D. White 1999-4-20 7279 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95, ca. 7 miles north of Interstate 10. 89 Comment
  UCR166529  Euphorbia polycarpa Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10879 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCD142740  Euphorbia polycarpa var. hirtella A. H. F. 1928-3-1 s.n. Riverside W. of Colorado Desert; Nr. Palm Springs. Comment
  UCR17653  Euphorbia polycarpa var. polycarpa Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  RSA356726  Euphorbia spathulata R. F. Thorne, E. W. Lathrop 1975-5-25 45555 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA69420  Eustoma exaltatum F. W. Peirson 1924-12-30 5419 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  CAS-BOT-BC171046  Fagonia laevis Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert Comment
  RSA123085  Fagonia laevis H. S. Yates 1937-3-23 6441 Riverside 15 miles NNE of Mecca 457 Comment
  RSA681032  Fagonia laevis Scott D. White, Michael Honer 2003-5-14 9262 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA699080  Fagonia laevis J. Russell Bruff 1929-12-28 450 Riverside Dos Palmas Comment
  UCR95455  Festuca arundinacea D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1117 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 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
  UC2015686  Festuca octoflora A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16089 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR167060  Festuca octoflora Scott D. White 2005-3-29 10835 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
  UCR213252  Festuca octoflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37703 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
  CLARK-A1528-4668  Festuca pacifica John C. Roos 1952-4-9 5481 Riverside Riverside 259 Comment
  UCR209295  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  POM9583  Filago californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  UCR173928  Filago gallica A. C. Sanders 2006-5-19 32438 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
  UCR207619  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  UCSB7366  Fouquieria splendens Leeuwen, Henry 1957-4-13 Riverside Near juncture of Cal Hwy. 195 and U.S. 60 Comment
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  RSA0018445  Fragaria vesca R. M. Straw 1953-6-5 452 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  RSA0018948  Fragaria vesca Philip A. Munz, I. M. Johnston 1922-5-19 5388 Riverside 3 miles west of Keen Camp. 1494 Comment
  UCR114309  Frankenia salina Julie A. Greene 1993-4-30 1267 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  UCR35004  Frasera parryi L. B. Ziegler 1972-6-26 486 Riverside San Jacinto Mtns, [Hemet] Garner Valley 1400 Comment
  RSA262074  Fraxinus dipetala E. W. Lathrop 1966-3-23 6076 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  SEINET6694603 Image available Fraxinus dipetala F. A. Thackery 1927-1 298 Riverside Banning Comment
  UCR256803  Funastrum cynanchoides var. hartwegii T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7865 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  RSA676108  Funastrum hirtellum Scott D. White 2001-4-17 8337 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 freewayexit accessing pump station. 457 Comment
  RSA778110  Funastrum hirtellum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 927 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UC1618025  Galium andrewsii Donald G. Nelson 1936-5-22 386 Riverside on the Pines-to-Palms Hwy. at Ribbonwood Camp (San Jacinto Mts.); San Jacinto Mts. Comment
  UCR201998  Galium angustifolium Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UC1536779  Galium angustifolium subsp. angustifolium G. H. True 1935-4-10 220 Riverside Box Springs Sycamore Canyon Comment
  CAS-BOT-BC223055  Galium angustifolium subsp. gracillimum Carl B. Wolf 1932-5-24 3648 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below Fish Hatchery 548 Comment
  RSA613127  Galium aparine D. L. Banks 1997-3-6 1397 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SBBG34186  Galium aparine T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns near Idlewild Comment
  UCR92051  Galium aparine Scott D. White, M. Jacobsmeyer 1996-4-20 3953 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA78314  Galium parishii Philip A. Munz, E. K. Balls 1952-8-21 17974 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UC489192  Galium parishii C. V. Meyer 1928-7-27 564 Riverside Hidden Lake San Jacinto Mts. 2682 Comment
  SD186324  Galium porrigens Andy C. Sanders, Mike Misenhelter 2005-3-23 29266 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SD70518  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4243 Riverside Red Hill Road, 0.9 mile north of Alvin Meadows, San Jacinto Mountains 1661 Comment
  CAS-BOT-BC217616  Galium stellatum subsp. stellatum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  UCR13739  Garrya flavescens N. R. Zabriskie, W. W. Zabriskie 1972-10-22 545 Riverside Santa Rosa Mtns, N slope of mountains, by Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon. (Site 13) 1098 Comment
  POM261678  Garrya flavescens var. pallida W. Pequegnat 1940-12-14 s.n. Riverside Main Divide Truck Trail, near Pleasant Pk. Santa Ana Mts. 1067 Comment
  LA40343  Garrya fremontii W. Pequegnat; 1938-1-10 sn Riverside Santa Ana Mountains, Indian Canyon Rd 761 Comment
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR95943  Garrya veatchii Scott D. White 1996-8-1 4449 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  UCR193412  Gayophytum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35631 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  POM122436  Gayophytum diffusum subsp. parviflorum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA788879  Gayophytum diffusum subsp. parviflorum Gary D. Wallace 2003-7-8 4045 Riverside Hidden Lake. Comment
  UCR92036  Gazania linearis Scott D. White 1995-7-7 3461 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  POM358676  Geraea canescens N. C. Cooper 1949-4-8 3317 Riverside Desert Center. 610 Comment
  RSA676160  Gilia Scott D. White 2001-4-3 8254 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC748762 Image available Gilia abramsii Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon; Temecula Canyon, Riverside Co. Comment
  RSA523543  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4003 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 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
  SDSU3067  Gilia angelensis W. E. Rehlaender 1983-4-22 91 Riverside Riverside; NE rim of Sycamore Canyon, about 1 mile SW of Highway 60 and 2 1/2 mile SSE of UCR campus. Comment
  UCR98059  Gilia angelensis A. C. Sanders 1997-3-1 19711 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR18182  Gilia australis A. C. Sanders 1978-4-30 482 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  RSA559955  Gilia capitata subsp. abrotanifolia Steve Boyd, Orlando Mistretta 1992-4-23 7066 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  UC60876  Gilia capitata subsp. abrotanifolia H. M. Hall Apr., 1903 3844 Riverside Morena Valley Comment
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Jul 6 2010
  UCR202332  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns., c. 300 m west of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles north of I-10 627 Comment
  JEPS69628  Gilia latifolia W. L. Jepson 1914-5-18 6027 Riverside n Indio (County Well); Colorado Desert, n of Indio, County Well 304 Comment
  UCR112393  Gilia latifolia A. C. Sanders, T. B. Salvato 2000-5-16 23393 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  CAS-BOT-BC407603  Gilia ochroleuca subsp. exilis Carl Meyer 1927-6-1 193 Riverside Below Saunder's Meadow, San Jacinto Mountains 1584 Comment
  UC879805  Gilia ochroleuca subsp. exilis K. Watkins and E. McClintock 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  UCR133170  Gilia splendens Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UCR193739  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35653 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
  CAS-BOT-BC435005  Glinus lotoides Steve Boyd 1981-9-2 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews in muddy pool in drainage on south side of Cajalco Road, 1 mile west of Archer Road. Comment
  CLARK-A1528-4675  Glyceria elata John C. Roos 1941-8-2 85 Riverside San Jacinto Mountains Comment
  UC1714327  Glyceria elata H. M. Hall Jul 1901 Riverside vicinity Deer Springs (Mistake Canyon); San Jacinto Mountains, Mistake Canyon 2590 Comment
  UCD85133  Glyceria elata F. M. Reed 1908-7-13 2479 Riverside San Jacinto Mt., stream in meadow N side of Tahquitz Valley. 2438 Comment
  UCR264631  Glycyrrhiza lepidota Mitch Provance 2012-6-19 196- 05 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  CLARK-A1528-1851  Gnaphalium californicum John C. Roos 1952-6-8 5750 Riverside Reche Canyon 548 Comment
  RSA701560  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR138833  Gnaphalium californicum D. L. Banks 1997-4-5 1671 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR151974  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR231043  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kent Beaman 2011-9-27 39919 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  UCR93060  Gnaphalium canescens subsp. microcephalum A. C. Sanders, S. Ogg 1994-7-28 15192 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
  UCR182804  Gnaphalium leucocephalum A. C. Sanders 2001-11-3 24879 Riverside Peninsular Range, Temescal Canyon, 1.4 miles NW of Indian Truck Trail on (old) Temescal Canyon Rd., c. 0.25 mi. SE of freeway 311 Comment
  RSA720439  Gnaphalium palustre Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1709 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  UCR75535  Gnaphalium palustre A. C. Sanders 1993-5-12 14011 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
  JEPS54091  Guillenia lasiophylla W. L. Jepson 1927-4-12 11657 Riverside ne of Mecca; Painted Canyon 76 Comment
  RSA85146  Guillenia lasiophylla J. C. Roos 1952-4-9 5500 Riverside Mt Rubidoux. 396 Comment
  CAS-BOT-BC304632  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rockky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 518 Comment
  CAS-BOT-BC304633  Gutierrezia californica W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon], below Warm Springs Comment
  SDSU13560  Gutierrezia sarothrae W. Miller, C. Mosse Riverside Comment
  UCR34972  Gutierrezia sarothrae L. B. Ziegler 1967-9-28 257 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  SEINET3859876  Haplopappus venetus A. C. Sanders, Donald L. Sanders 2010-11-28 38695 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave.; 0 232 Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA653158  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR113895  Hedypnois cretica Mitch Provance 1998-4-14 440 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  CAS-BOT-BC306714  Helenium bigelovii P. A. Munz 1922-7-7 6064 Riverside San Jacinto Mts. Meadow north of Tahquitz Valley 2225 Comment
  JEPS35425  Helenium bigelovii Carl V. Meyer 1928-7-26 531 Riverside w side trail from Idyllwild to San Jacinto Peak (above Roach Sawmill) 2743 Comment
  CDA36603  Helianthemum scoparium var. aldersonii A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
  POM320308  Helianthemum scoparium var. scoparium Worthman 1968-5-16 156 Riverside 6.7 mi. west of Murietta. 244 Comment
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Jun 16 2013
  UCR90983  Helianthus annuus Scott D. White 1996-3-16 3828 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UC1393131  Helianthus gracilentus John L. Strother 1970-7-7 994 Riverside just s Alberhill Comment
  POM12215  Heliotropium curassavicum var. oculatum Mary F. Spencer 1921-3-23 s.n. Riverside Mecca -60 Comment
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Sep 7 2011
  RSA680563  Hemizonia fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 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
  UCR268588  Hemizonia kelloggii Jim Andre 2012-6-15 30542 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR131799  Hemizonia paniculata Mitch Provance 1998-6-20 702 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  UCR139188  Hemizonia paniculata Virginia Moran 2003-5-17 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  CLARK-A1528-1922  Hemizonia paniculata subsp. paniculata John C. Roos 1965-6-30 Riverside Edgemont Comment
  CLARK-A1528-1923  Hemizonia pungens John C. Roos 1952-5-14 5670 Riverside San Jacinto River 426 Comment
  UCR114639  Hemizonia pungens subsp. laevis Fred M. Roberts 1992-8-5 4846 Riverside Anza Valley, Cahuilla Indian Reservation, near northern edge 1170 Comment
  RSA377052  Hesperocallis undulata Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA550338  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4650 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  UCR132420  Heteromeles arbutifolia A. C. Sanders 2004-2-6 27383 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR58685  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Peninsular Range, Santa Margarita Ecological Reserve. Temecula Gorge, N bank of Santa Margarita River, just east of aqueduct crossing 244 Comment
  CAS-BOT-BC47578  Heuchera parishii Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  POM13989  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4893 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UC56292  Hibiscus denudatus F. Gilman 1902-1 28 Riverside Palm Springs Comment
  CAS-BOT-BC207511  Hoffmannseggia glauca Aven Nelson; Ruth Nelson 1939-3-30 3344 Riverside Hiway 70, between Mecca and Blythe Comment
  RSA561517  Hoita macrostachya Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7669 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek, up the San Mateo Trail north to Potrero de la Cienega, 396 Comment
  RSA588185  Hoita macrostachya D. L. Banks, Victor W. Steinmann 1995-7-10 0750 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 609 Comment
  CAS-BOT-BC174241  Hordeum depressum A. C. Sanders; T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR112394  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  SEINET271516  Hordeum marinum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18050 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  UCR213899  Hordeum murinum Scott D. White, Justin M. Wood 2009-5-22 12897 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  CAS-BOT-BC148569  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCSC001449  Horkelia clevelandii Peter Kamb 1947-6-7 562 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  UC32853  Hulsea heterochroma H. M. Hall 1901-6-1 2048 Riverside s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  RSA720463  Hulsea vestita subsp. callicarpha Naomi Fraga, Bryan Carey 2006-6-1 1688 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  UCR95940  Hulsea vestita subsp. callicarpha Scott D. White 1996-8-1 4436 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCSB26726  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  RSA643277  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert: Chuckwalla Mountains, 1.5 mi. west of Corn Spring in wash on canyon bottom. 600 Comment
  RSA784950  Hymenoclea salsola Duncan S. Bell 2012-2-12 3108 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET2030094 Image available Hymenoclea salsola L. R. Abrams 1941-4-24 13935 Riverside San Gorgonio Pass, near Cabazon Comment
  CAS-BOT-BC312859  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Colorado Desert. Palo Verde Valley 76 Comment
  UC570561  Hymenoxys odorata Frank W. Peirson 1935-4-17 11468 Riverside 20 mi s Blythe Comment
  POM12643  Hypericum androsaemum P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 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-BC219756  Hyptis emoryi Barbara Ertter; Jeffrey Strachan 1980-5-20 3478 Riverside Highway 74 (Pines to Palms Highway) near Black Hill between Palm Desert and Santa Rosa Mt 914 Comment
  LA61594  Hyptis emoryi J. A. Ewan; 1931-2-23 4044 Riverside Devils Canyon, above Coral Reef Ranch Comment
  RSA182080  Hyptis emoryi P. A. Munz 1932-3-14 11976 Riverside Palm Springs. 91 Comment
  SJSU11389  Hyptis emoryi R. C. McGehee 1970-3-5 134 Riverside Corn Springs, 18 mi SE of Desert Center, Chuckwalla Mts Comment
  UC1922400  Hyptis emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1382 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC68705  Hyptis emoryi H. M. Hall Apr. 1905 5814 Riverside 10 mi w Coachella; Colorado Desert, w of Coachella 91 Comment
  CDA5549  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside South of Avenue 60, 0.2 mile east of Jackson Street, ca. 6 miles south of Indio. 0 Comment
  SBBG88249  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside W side of Hwy 86, 6.25 mi S of its jct with Hwy 111 in Coachella and 3.85 mi N of Valerie Jean, 0.55 mi N of Ave 60 -35 Comment
  UCSB45914  Isocoma acradenia Clarke, Oscar 1969-11-10 Riverside Near Whitewater on Hwy. 111, 2 miles southeast of the point where it merges into Interstate Hwy. 10 at Verbenia Ave. Comment
  CAS-BOT-BC311609  Isocoma acradenia var. eremophila A. O. Merritt 1925-10-30 s.n. Riverside Palm Springs Comment
  UCD133437  Isocoma menziesii var. vernonioides K. Esau 1935-6-21 s.n. Riverside Road to Beaumont. Comment
  UCR101342  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA0035135  Isomeris arborea Lee Haines 1952-4-6 s.n. Riverside Box Canyon, HIghway 195. Comment
  UC12386 Image available Ivesia callida H. M. Hall 1901-8-1 2611 Riverside near Tauquitz; San Jacinto Mts.; near Tauquitz, San Jacinto Mts. Comment
  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
  UCD110248  Juglans A. C. Sanders; T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St., and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR189782  Juglans californica var. californica Theresa Johnson 2007-10-24 403 Riverside Peninsular Ranges, Perris-Aguanga basin, Badlands, just north of Highland Blvd Comment
  POM319708  Juncus balticus subsp. ater Patricia Wilder 1970-10-30 4857 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA563911  Juncus bufonius A. C. Sanders 1993-4-5 13685 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
  UC1601699  Juncus bufonius H. M. Hall Jun 1901 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR116907  Juncus bufonius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23966 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR18439  Juncus bufonius J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  RSA500202  Juncus bufonius var. bufonius Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3541 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA741157  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside Johnson Meadow. 1415 Comment
  UCR201666  Juncus effusus Scott D. White, Justin M. Wood 2008-6-18 12233 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA704866  Juncus effusus subsp. austrocalifornicus J. Russell Bruff 1934-6-19 555 Riverside Idyllwild Comment
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Jul 29 2010
  UCR24957  Juncus macrandrus A. C. Sanders 1980-8-21 1784 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
  RSA192132  Juncus macrophyllus H. A. Zuill 1966-7-17 293 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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May 26 2008
  RSA293529  Juncus macrophyllus C. W. Tilforth, Walter Wisura 1979-8-8 1898 Riverside Highway 243 at turn-off to Poppet Flat, south of Banning. 1189 Comment
  VVC2001  Juncus oxymeris Tim Thomas, A. C. Sanders 2008-8-1 4558 Riverside Western San Jacinto Mtns., Cottonwood Ck, above Idylwild. 1402 Comment
  UCR174240  Juncus xiphioides A. C. Sanders, T. B. Salvato 2006-6-2 33079 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
  JOTR30061  Juniperus californica La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1692 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  RSA496126  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3003 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR137568  Juniperus californica A. C. Sanders 2004-5-5 27773 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
  UCR90975  Juniperus californica Scott D. White 1995-12-30 3803 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  POM254740  Justicia californica P. A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA682846  Justicia californica Scott D. White 2003-3-23 8839 Riverside Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA789360  Justicia californica Aaron C. Sedgwick, David Fraker 2012-3-28 20 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC729949  Justicia californica B. D. Stark 1932-6-17 3753 Riverside e. end Box Canyon; Colorado Desert, Eagle Mts., Box Canyon 182 Comment
  UCD121631  Justicia californica Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCD121645  Justicia californica G. L. Webster; R. Hildreth 1966-12-10 7461 Riverside Joshua Tree National Mon., upper part of Cottonwood Canyon. 792 Comment
  RSA793268  Kallstroemia californica Aaron C. Sedgwick, Cody Leslie 2012-9-20 125 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  UC2044616  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. (Hopkins Well 7.5' Q.) Comment
  RSA0103624  Kallstroemia parviflora Duncan S. Bell 2015-9-30 8650 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CAS-BOT-BC235493  Keckiella antirrhinoides Wayne Law; Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  RSA293255  Keckiella antirrhinoides D. C. Michener 1980-5-8 3663 Riverside Area around Ca 243 at jct with Mt. Edn aRd [22.2 miles north of Mtn Center/5.9 mi. south of beginning of grase of CA 243 at Smith Creek bridge] 1150 Comment
  CAS-BOT-BC236723  Keckiella antirrhinoides subsp. microphylla Annie M. Alexander; Louise Kellogg 1941-5-21 2215 Riverside North base of Eagle Mountains, Colorado Desert 1158 Comment
  SEINET12518427 Image available Keckiella antirrhinoides subsp. microphylla Mark Fishbein, Victor Steinmann Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-1 4104 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  SDSU21839  Keckiella antirrhinoides var. antirrhinoides Kalee Koeslag, Allen Schellerup 2016-4-16 7 Riverside Santa Margarita Ecological Reserve, in Stone Creek woodland old road off of Red Mountian Truck Trail 212 Comment
  UCR16019  Keckiella antirrhinoides var. antirrhinoides John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns, 3 mi SE of Banning near Hwy 243 Comment
  RSA0012061  Keckiella rothrockii subsp. jacintensis Steve Boyd, Gary D. Wallace 2005-7-30 11656 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
  SD178242  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UC38693  Koeleria macrantha H. M. Hall June, 1901 2131 Riverside hillsides of Coyote Canyon Santa Rosa Mountain; San Jacinto Mountains, , Coyote Canyon 1584 Comment
  UCD85716  Koeleria macrantha A. A. Beetle 1946-6-10 4393 Riverside San Jacinto Mt., San Jacinto Mts. 1219 Comment
  HSC82716  Krameria bicolor R. F. Thorne, C. W. Tilforth 1980-5-28 54163 Riverside San Bernardino Mtns., E side of Whitewater River at mouth of canyon 1/4-1/2 mi. E of Whitewater Post Office Comment
  SDSU6896  Krameria bicolor Gerald Collier 1951-5-27 M 244 Riverside About 4 miles east o f Pinon Flats San Sarinto Mtns. 5 yds from Roadsie state hwy74. Rocky slope. Comment
  RSA0023271  Krameria bicolor Robert F. Thorne 1966-10-15 41782 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  JOTR31218  Krameria erecta La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2002 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  UCR17034  Krameria erecta Anonymous 1969-5-25 3 Riverside Southern Mojave Desert, 8 mi from entrance of Joshua Tree Natl. Monument on road from town of Joshua Tree, sandy wash 2.5 mi north of the road 1250 Comment
  RSA289810  Krameria grayi Barry A. Prigge 1980-8-12 3932 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  RSA408605  Krameria grayi Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SEINET11446731 Image available Laennecia coulteri F. M Reed 1907-10-6 1971 Riverside Shub Ranch at crossing of Elsinore Road in Mockingbird Canyon Comment
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Oct 6 2017
  RSA573433  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  UCR215611  Lamarckia aurea Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 13 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA574563  Lamarckia aurea Steve Boyd 1980-5-7 s.n. Riverside 2.5 miles NW of Perris 518 Comment
  RSA658972  Lamarckia aurea Margaret Murphy 1983-4-15 3 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA648310  Larrea tridentata Mark Hotchkiss 1977-5-15 s.n. Riverside Cabazon area (and the entire Colo. desert). Comment
  RSA662137  Larrea tridentata Carol Zuck 1981-2-15 14 Riverside Junction of Country Club Dr. and Palm Desert Green Dr. Palm Desert. Comment
  CHSC275  Lasthenia californica S. Westerberg 1938-4-1 Riverside Palm Springs. Comment
  RSA0106455  Lasthenia californica Daphne K. Christopher, Hannah Stevens 2003-4-3 81 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak trail. 536 Comment
  POM305812  Lasthenia coronaria Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1047 Riverside Corona-Elsinore. Comment
  UCR114339  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR18317  Lasthenia coronaria Saul Frommer 1979-4-19 s.n. Riverside Peninsular Range, near Aguanga, on Hwy R3 [closer to Radec] 549 Comment
  POM13859  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-29 5078 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR280722  Lasthenia glabrata subsp. coulteri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 19 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UC69030  Lasthenia gracilis H. M. Hall 1905-4-1 5769 Riverside Bradley Canyon Colorado Desert Comment
  UCD133820  Lasthenia gracilis A. C. Sanders; K. C. Rose 1998-5-21 21863 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR183335  Lasthenia gracilis Mitch Provance 2003-4-26 9881 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR199640  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR225623  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38829 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  RSA502898  Lathyrus vestitus subsp. laetiflorus Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  SDSU17301  Lathyrus vestitus var. alefeldii Ryan Jacobson 2000-4-19 8 Riverside Santa Margarita Ecological Reserve. Near west bank of Stone Creek, about 1 mile north east of south-side facility. Comment
  SBBG101710  Layia glandulosa S. Boyd, T. Ross, M. Hammitt 1991-5-2 6073 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  HSC5906  Layia platyglossa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23095 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  SEINET7073395  Layia platyglossa A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC30661  Layia platyglossa W. G. Wright 1889-1-1 1751 Riverside borders Colorado Desert Comment
  UCD133999  Layia platyglossa E. W. Lathrop 1966-4-20 6193 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  RSA603794  Layia platyglossa subsp. campestris Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles N of Elsinore Comment
  RSA633881  Lemna gibba Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38150 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1615 Comment
  RSA66574  Lepidium dictyotum var. acutidens F. W. Peirson 1930-5-10 8771 Riverside 1 mile east of Perris 457 Comment
  RSA600181  Lepidium fremontii L. C. Wheeler 1959-12-27 7649 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SBBG133576  Lepidium latifolium S. D. White, L. Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  UCR281236  Lepidium latipes Mitch Provance, Jeremiah George 2017-3-23 317- 65 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  UC1929293  Lepidium pinnatifidum Scott D. White, Justin Wood 2008-6-24 12285 Riverside Beaumont Badlands; San Timoteo Canyon. Meadow along San Timoteo Creek. Comment
  RSA524437  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-3 4053 Riverside Vail Lake Area, summit of Big'' Oak Mts. at E end. 792 Comment
  UCR256804  Lepidium virginicum var. robinsonii T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7864 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  UCR98858  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19997 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  HSC47589  Lepidospartum squamatum Richard Spjut, Judy Adams 1978-11-22 5239 Riverside Colorado Desert, N of Palm Springs ca. 1 mi. S from Jct. with Hwy. 10 Comment
  RSA177021  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  UCR260954  Leptochloa mucronata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6021 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  RSA450059  Leptochloa panicea subsp. mucronata J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  SACT001409  Leptochloa uninervia Philip Munz, J. Johnston 1928-9-12 Riverside Common on sandy alkali flat. Comment
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Aug 22 2013
  SEINET3005063  Leptochloa uninervia G. Rink 2011-4-30 10501 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UC748988  Leptodactylon californicum Susan Delano McKelvey 1937-4-10 5107 Riverside Jack Rabbit Trail between Hemet Valley and Beaumont; between Hemet Valley and Beaumont 701 Comment
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Mar 21 2011
  UCR117343  Leptodactylon californicum Mitch Provance 1998-3-20 249 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  UC23618  Leptodactylon pungens H. M. Hall June, 1901 2130 Riverside Santa Rosa Mountain San Jacinto Mountains, , Coyote Canyon (dry hillsides of Coyote Canyon) 1524 Comment
  RSA524407  Leptosiphon androsaceus Steve Boyd 1990-4-3 4098 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD135280  Leptosiphon floribundus subsp. floribundus Craig Reiser, Dylan Hannon 1993-5-30 Riverside SE flank of Santa Rosa Peak Comment
  CAS-BOT-BC227049  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  SD137678  Leptosiphon parviflorus Darin L. Banks, Steve Boyd 1995-5-3 192 Riverside Agua Tibia wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET8483151 Image available Leptosyne californica D. Terrell 1969-3-21 71 Riverside 17 mi S of Corona on Hwy 71. 122 Comment
  UCR34883  Lessingia filaginifolia L. B. Ziegler 1971-9-9 427 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1372 Comment
  POM361807  Lessingia glandulifera var. glandulifera M. B. Dunkle 1933-7-21 3718 Riverside Idyllwild 1616 Comment
  RSA674604  Lessingia glandulifera var. glandulifera Scott D. White 2000-8-5 8096 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA500172  Leymus triticoides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3655 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  RSA377138  Lilium humboldtii subsp. ocellatum Gale Sphon 1955-06 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA788872  Limosella acaulis Gary D. Wallace 2003-7-8 4053 Riverside Hidden Lake. Comment
  UCR1542  Linanthus androsaceus R. L. Irwin 1962-5-8 0066 Riverside on N. slope of hill behind the agriculture station at U.C.R 412 Comment
  PASA745  Linanthus bigelovii 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  RSA705181  Linanthus bigelovii J. Mark Porter, Sarah J. De Groot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  CAS-BOT-BC225699  Linanthus californicus G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  HSC101578  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  SD134419  Linanthus dianthiflorus Craig Reiser 1990-4-15 Riverside Off De Portola Road near Calle Grande Road Comment
  UCR213673  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  POM279171  Linanthus dianthiflorus subsp. dianthiflorus Lyman Benson 1932-3-26 3181 Riverside Summit Temecula Grade. Comment
  RSA522762  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3869 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
  RSA484736  Linanthus floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  RSA778239  Linanthus jonesii Duncan S. Bell 2009-3-8 44 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR16665  Linanthus jonesii Robert A. Clark 1966-3-5 030566- 6 B Riverside Sonoran (Colorado) Desert, 8 miles east of Mecca on State Hwy 195 and about 3 miles up Box Canyon 15 Comment
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Sep 7 2011
  UCR48511  Linanthus lemmonii Steve Boyd 1986-4-2 1633 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  JEPS58469  Linanthus liniflorus W. L. Jepson 1901-5-18 1259 Riverside San Jacinto River Upper San Jacinto Valley 487 Comment
  RSA705492  Linanthus maculatus J. Mark Porter, Sarah J. De Groot 2005-3-9 14246 Riverside E. of State Route 62, on paved road between Peirson Blvd. and Indian Ave., N of the Metropolitan Water District Reservoir, Morongo Valley; on both sides of the road. 486 Comment
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Jan 28 2008
  CLARK-A1528-4216  Linaria canadensis John C. Roos 1947-3-15 3346 Riverside San Jacinto Valley Comment
  UCR137500  Linaria canadensis D. L. Banks, V. W. Steinmann 1997-3-13 1525 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA400310  Linaria canadensis var. texana Dorothy R. Wolf 1932-3-20 3 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UCR155825  Linum usitatissimum John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA0010978  Lithophragma affine Scott D. White, W. LaHaye 2000-5-27 7940 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR193292  Lithophragma affine A. C. Sanders, Tim Thomas 2008-6-20 35541 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA500999  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  UCR116857  Lobularia maritima A. C. Sanders, Steven R. Hill 2001-5-4 24136 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
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR241932  Loeflingia squarrosa A. C. Sanders, Timothy W. Chumley 2013-3-28 40693 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UC1714467  Loeseliastrum schottii E. E. Schellenger 1911-4-24 Riverside s. Palm Springs; Colorado Desert Comment
  UC909047  Loeseliastrum schottii H. K. Wagnon 1944-3-26 364 Riverside n. side Cathedral Canyon (Cathedral City); , Cathedral Canyon Comment
  CAS-BOT-BC342106  Logfia arizonica Steve Boyd 1986-4-10 1642 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon. 1.0 mi east of Indian Truck Trail Comment
  SEINET200238 Image available Logfia arizonica Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  UCR84658  Logfia filaginoides Scott D. White 1994-4-21 1993 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SEINET251731 Image available Lolium rigidum Walter Graves 2002-6-11 602 -2 Riverside Grown iat U.C.R. in Agricultural Operations Fields 305 Comment
  SD136936  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6740 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero west to junction with Tenaja Trail in north fork Bear Crk 669 Comment
  UCSB38672  Lomatium mohavense Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S adn W on Hwy 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Bernardino National Forest 1180 Comment
  UCR256753  Lomatium utriculatum T. B. Salvato, Matthew Malle 2013-4-15 7542 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  RSA574729  Lomatium vaginatum Steve Boyd 1981-4-10 s.n. Riverside Gavilian Hills region, Gavalian Plateau east of Estelle Mountain along Estelle Mountain Road. 671 Comment
  SEINET3224411  Lotus argophyllus G. Goodwin 2012-6-15 3465 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR84621  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA496733  Lotus argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts., near southernmost radio towers 793 Comment
  UCR41249  Lotus grandiflorus N. M. Fellows 1985-4-9 137 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  POM226886  Lotus hamatus L. R. Abrams 1935-4-7 13677 Riverside 2 mile SW of Perris. Comment
  RSA644300  Lotus heermannii Scott D. White, Mike Wilcox 1995-7-11 3469 Riverside NE Santa Ana Mts. Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 730 Comment
  JOTR29600  Lotus heermannii var. heermannii Andre, Jim 2006-4-26 6757 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR102883  Lotus humistratus A. C. Sanders 1997-3-26 20125 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR228247  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-4-1 38926 Riverside Peninsular Range, Lake Elsinore, Nichols Rd. extension (formerly Coal Ave.) at Lake St., SW side of Alberhill Mtn. 413 Comment
  RSA282916  Lotus nevadensis var. nevadensis C. W. Tilforth, B. Busenberg 1980-6-17 2020 Riverside On slopes south of Toolbox Springs Campground, Thomas Mtn. Road, south of Lake Hemet & west of Highway 74 Comment
  RSA406220  Lotus oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  UC454104  Lotus oblongifolius var. oblongifolius I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
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Apr 7 2008
  UCR133388  Lotus purshianus Tracy Tennant, T. B. Salvato 1998-6-23 486 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR208343  Lotus purshianus O. F. Clarke 2004-5-9 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along vernal pool trail 625 Comment
  UC310841  Lotus salsuginosus Philip A. Munz 1925-5-20 9831 Riverside 2 mi w Dripping Spring 426 Comment
  UCR41908  Lotus salsuginosus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6045 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  RSA406832  Lotus salsuginosus var. brevivexillus M. B. Dunkle 1935-3-30 4425 Riverside Pinto Basin, Colorado Desert. 915 Comment
  CSUSB1250  Lotus strigosus Martha McCarthy 1960-3-27 Riverside 0.5 mile southwest of Teneja Road, 12.2 miles from junction with Washington Ave., Murrieta. On edge of open burned area. Santa Ana Mountains. Comment
  RSA21480  Lotus strigosus C. B. Wolf 1937-4-5 8415 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 365 Comment
  RSA263676  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA33457  Lotus strigosus N. C. Cooper 1944-3-24 1007 Riverside Banning. 701 Comment
  RSA627854  Lotus strigosus A. C. Sanders 1994-5-30 14592 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  SEINET2062430 Image available Lotus strigosus G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  SEINET7063237  Lotus strigosus A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UC68650  Lotus strigosus H. M. Hall Apr 1905 5830 Riverside Mecca -60 Comment
  UCR100870  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2704 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR225719  Lotus strigosus A. C. Sanders 2011-3-30 38908 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  RSA406466  Lotus tomentellus M. B. Dunkle 1937-3-25 4960 Riverside Dry Morongo. Comment
  UC454633  Lupinus albifrons I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  POM349946  Lupinus arizonicus L. N. Goodding 1942-2-26 s.n. Riverside Indio region Comment
  RSA457787  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2201 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA550280  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4616 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  UCR200297  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11217 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
  SEINET10490539  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6423 Riverside Big maria mountains, 12 air miles n of downtown blythe. T4s,r22e,sec.35. Frequent on sandy banks of wash. Petals pink-purple with dark red spots 290 Comment
  UCR171898  Lupinus bicolor John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR91435  Lupinus bicolor Scott D. White 1995-3-30 2637 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  UCR49221  Lupinus bicolor subsp. microphyllus Steve Boyd 1986-4-2 1599 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA359881  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1986-4-2 1599 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SDSU4673  Lupinus concinnus Bruhns 1965-5-22 119 Riverside Slope around girl's dormitory of Desert Sun School in Idyllwild. Comment
  RSA407147  Lupinus concinnus subsp. optatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UC15788  Lupinus excubitus H. M. Hall June, 1901 2213 Riverside s side San Jacinto Mountains San Jacinto Mountains; s side San Jacinto Mountains 1706 Comment
  UCR91657  Lupinus excubitus var. hallii D. L. Banks, Steve Boyd 1995-4-5 146 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on terraces of W fork of Arroyo Seco. 573 Comment
  POM248761  Lupinus formosus E. C. Jaeger 1921-5-29 s.n. Riverside [Falcon Flats] 20 miles south of Warrens Well Comment
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Nov 5 2011
  UCR3708  Lupinus latifolius var. parishii Frank C. Vasek 1964-7-25 640725- 12 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  SEINET239867  Lupinus microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Guava St. (DeLuz Rd.) 0.4 mi S Jct. Washington Ave. in Murietta. Comment
  UCR60538  Lupinus microcarpus C. W. Tilforth, W. Wisura 1979-5-23 1806 Riverside Santa Ana Mtns., Santa Rosa Plateau, Murrieta to De Luz road, c. 2 air mi. south of Murrieta 335 Comment
  POM99001  Lupinus microcarpus var. densiflorus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  RSA0096913  Lupinus microcarpus var. densiflorus R. S. Woglum 1939-4-22 2183 Riverside Peninsular Ranges: Hemet to Anza; San Jacinto Mtns. Comment
  POM12772  Lupinus pallidus Philip A. Munz, D. D. Keck 1922-4-9 4845 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  JEPS81669  Lupinus sparsiflorus L. R. Heckard 1969-4-24 2165 Riverside 7 mi s of Sage (along Highway 79); Highway 79 Comment
  UCR177114  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1104 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR87665  Lupinus sparsiflorus A. C. Sanders 1994-5-29 14562 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  SEINET10490243  Lupinus sparsiflorus subsp. inopinatus David B. Dunn 1947-3-16 Dunn 2919 Riverside Found a 100 hundred yards se of cabazon in the banning pass. Comment
  RSA336412  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52056 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA263707  Lupinus truncatus E. W. Lathrop 1971-3-21 7457 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  SDSU14024  Lupinus truncatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 18 Riverside Near parking area off Tornado road, about 15 feet from the river. North side of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UC1537127  Lupinus truncatus Gordon H. True Jr. 1935-3-1 99 Riverside Gavilan Hills 609 Comment
  UCR107786  Lupinus truncatus D. L. Banks 1997-5-5 1963 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  RSA69479  Luzula comosa F. W. Peirson 1922-5-19 3039 Riverside San Jacinto River. 1143 Comment
  GMDRC3546  Lycium andersonii J. Andre, T. La Doux 2009-2-25 10803 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  UC494399  Lycium andersonii C. L. Hitchcock 1932-4-7 12206 Riverside Corn Springs, e Riverside County Corn Springs Comment
  UCR60862  Lycium andersonii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3225 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  JOTR30955  Lycium cooperi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1930 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC884602  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  RSA650056  Lycium pallidum var. oligospermum N. J. Chatterton, C. M. McKell 1966-4-26 s.n. Riverside Gold Valley Ranch. Table Top Mtns. Comment
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Jun 9 2013
  RSA409650  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 183 Comment
  RSA645878  Lythrum californicum Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles S of the San Jacinto River. 430 Comment
  UCR163891  Lythrum californicum B. G. Pitzer 2001-8-19 4344 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA617822  Lythrum hyssopifolia R. E. Riefner Jr. 1998-5-15 98 -304 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  UCR61011  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam 488 Comment
  SD181691  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Near Squaw Mountain. 640 Comment
  UCD134317  Madia gracilis E. W. Lathrop 1966-5-5 6268 Riverside 5 miles west of Murrieta. Comment
  RSA358581  Mahonia repens Larry E. DeBuhr 1972-3-23 513 Riverside 6000 ft, along forest road 7S02 Comment
  CHSC110691  Malacothamnus davidsonii Dean Wm. Taylor 2003-5-7 18541 Riverside 1 mi. SE of Steele Peak, 0.4 miles NNW of Good Hope Mine, under electrical transmission line corridor. 579 Comment
  CAS-BOT-BC206264  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  RSA263658  Malacothamnus fasciculatus E. W. Lathrop 1977-3-29 7512 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive Comment
  SDSU7518  Malacothamnus fasciculatus Charles F. Phleger 1962-5-23 Riverside collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  UCR133421  Malacothrix clevelandii Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 212 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  CAS-BOT-BC347687  Malacothrix glabrata Javier Penalosa 1963-4-10 2776 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC347706  Malacothrix glabrata John Thomas Howell 1928-3-25 3550 Riverside 15 miles s. of Palm Springs on road to Indio, Colorado Desert Comment
  UCR281796  Malacothrix glabrata Mitch Provance 2017-5-28 517- 109 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  SEINET10800084  Malacothrix glabrata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6452 Riverside Rice Valley, 12.3 miles south of Rice. 274 Comment
  RSA619793  Malvella leprosa A. C. Sanders, K. C. Rose 1998-9-29 22246 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  CAS-BOT-BC56808  Mammillaria tetrancistra Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0044705  Mammillaria tetrancistra Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground., Between N33deg 37' 15'', W115deg 19' 39'' and N33deg 36' 52, W115deg 19' 54. 503 Comment
  RSA125207  Mammillaria tetrancistra E. K. Balls, Percy C. Everett 1957-8-20 22672 Riverside 14.7 mi. SW and W along State Hwy. 74 from Palm Village (jct. with State Hwy 111) 1127 Comment
  CLARK-A1528-2790  Marah macrocarpa John C. Roos 1966-4-23 Riverside Santa Ana Mountains Comment
  RSA651081  Marah macrocarpa Diane M. Ramirez 1983-5-15 8 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  SD126049  Marah macrocarpa B. Pitzer, E. Misqez 1988-2-28 617 Riverside SW of Murrieta, Walkder Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 1399 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  UC1523645  Marsilea vestita Robert F. Thorne, Steve Boyd and Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve, along Cole Canyon 533 Comment
  UCR12617  Marsilea vestita K. H. Fisher 1968-5-14 10 Riverside Santa Ana Mountains, Murrieta, cattle reservoir 50 yards from Tenaja Rd & 8 mi from Washington St. 549 Comment
  RSA552726  Matricaria matricarioides Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6768 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  SEINET5560804  Matricaria matricarioides H. S. Gentry, Bruce Gentry 1973-1 23191 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR163219  Matricaria matricarioides T. B. Salvato, Kelly Volansky 2003-3-27 122 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR201426  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  RSA0126892  Matricaria occidentalis R. E. Riefner Jr. 2017-4-2 17 -139 Riverside City of Hemet, along California Ave. near Stowe Rd. 468 Comment
  UCR60157  Meconella denticulata Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, SW of town of Murrieta: Miller Canyon 457 Comment
  RSA689490  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside UCR campus at University Bldg. S (old Citrus Expt. Sta. Director s residemce area) 351 Comment
  UCR41372  Melica frutescens N. M. Fellows, A. C. Sanders 1985-5-7 186 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CAS-BOT-BC281599  Melica imperfecta H. M. Hall 1901-6-1 2079 Riverside In the vicinity of Chalk Hill, San Jacinto Mts 1463 Comment
  JOTR35131  Melica imperfecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3243 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  SD237272  Melica imperfecta A. C. Sanders 2010-4-2 37742 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15 404 Comment
  SEINET2473421 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato 2011-1 38839 Riverside Peninsular Range; Edge of Gavilan Hills; Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  SEINET3101963  Melica imperfecta Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17373 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  UC38845  Melica imperfecta H. M. Hall 1899-1 1111 Riverside Strawberry Creek; San Jacinto Mountains 914 Comment
  UCR91219  Melica imperfecta Scott D. White 1996-3-31 3852 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA613318  Melilotus albus D. L. Banks 1997-3-1 1383 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  CLARK-A1656-739  Melilotus indicus unknown 1981-3-14 Riverside Coachella Valley Comment
  SD181753  Melinis repens Scott D. White, Teresa Salvato 2001-6-8 8579 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. (Temecula) 334 Comment
  POM299267  Menodora scoparia A. M. Alexander, Louise Kellogg 1941-5-21 2208 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  POM14265  Mentzelia affinis P. A. Munz 1922-4-9 4812 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  POM9534  Mentzelia affinis P. A. Munz, R. D. Harwood 1920-3-20 3370 Riverside 5 miles S of Corona 305 Comment
  UCR267889  Mentzelia albicaulis Jim Andre 2013-3-4 23862 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA525255  Mentzelia involucrata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4567 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UC1929704  Mentzelia involucrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10503 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UC196003  Mentzelia involucrata Joseph Grinnell 1910-3-18 Riverside Riverside Mt., Colorado River Comment
  CSUSB821  Mentzelia involucrata var. megalantha Wayne White 1974-5-24 Riverside Chuckwalla Mountains, Colorado Desert On Highway I-10 near Red Cloud Road; Chuckwalla Mountains in Colorado Desert 609 Comment
  SEINET10734759  Mentzelia laevicaulis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12843 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UCR133688  Microseris heterocarpa Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR169465  Microseris heterocarpa John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR214884  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37676 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR225447  Microseris heterocarpa A. C. Sanders 2011-3-29 38837 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  POM306134  Microseris lindleyi Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1341 Riverside Santa Rosa Mountains. Comment
  UC943892  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1895 B Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  RSA587174  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 558 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  POM8577B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  RSA38706  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11503 Riverside probably a hybrid with puniceus decomposed granite of steep slope and along roadside. Indian Canyon, Indican Canyon Truck Trail. Comment
  RSA442704  Mimulus aurantiacus var. puniceus E. S. Spalding 1925-6-11 s.n. Riverside Between Elsinore and Temecula. Comment
  UCR3990  Mimulus aurantiacus var. puniceus Art Whistler 1965-4-7 s.n. Riverside Peninsular Range, On the E side of Hwy 395, just north of San Diego County line at the entrance to 'Bibleland 229 Comment
  UCR90980  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-16 3822 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA4952  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3046 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA554425  Mimulus bigelovii var. bigelovii Theo Glenn 1991-5-24 91 -130 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  RSA799276  Mimulus bigelovii var. bigelovii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 737 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UCR133661  Mimulus brevipes Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CAS-BOT-BC9451  Mimulus diffusus R. S. Woglum 1937-5-22 555 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation Comment
  CAS-BOT-BC9465  Mimulus diffusus Barbara Ertter; Jeffrey L. Strachan 1980-5-21 3483 Riverside Santa Rosa Mountain road (Forest Road 7S02) ca. 2 miles south of Highway 74 (Pines to Palms Highway) 1584 Comment
  UCR137182  Mimulus diffusus Victor Duran 1932-5-18 3220 Riverside San Jacinto Mtns., Idyllwild 1677 Comment
  POM301478  Mimulus floribundus J. C. Roos 1937-5-10 2330 Riverside Anual in moist spot in hills west of Perris. Comment
  UCR17145  Mimulus floribundus Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  UCR231809  Mimulus fremontii Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 10 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  HSC86249  Mimulus guttatus Jane Hildreth 1981-6-4 27 Riverside San Jacinto Mtns., San Bernardino National Forest, Bay Tree Springs along Hwy. 243, 12 mi. S of Banning 1646 Comment
  JOTR31050  Mimulus guttatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA447956  Mimulus guttatus E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR174346  Mimulus guttatus A. C. Sanders 2006-5-19 32401 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
  UCR241497  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 218 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR156467  Mimulus moschatus T. B. Salvato, A. C. Sanders 2005-5-17 895 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
  JEPS3007  Mimulus palmeri Frank W. Peirson 1929-5-4 Riverside summit St. John's Grade 792 Comment
  UCR274289  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-6 1413 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
  CDA33849  Mimulus puniceus Mike Lahti 2010-5-5 PDR# 1358680 Riverside Hills on the west side of Temecula. 0 Comment
  UCR18111  Mirabilis albida J. Zabriskie 1976-6-2 848 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Springs Trail near Horsethief Creek 1098 Comment
  SEINET272153  Mirabilis californica A. C. Sanders 1997-3-1 19 Riverside Box Springs Mountains: S end of the range along Gernert Rd. in valley drainging to Box Spring Cyn. 457 Comment
  SD186259  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  RSA450138  Mirabilis laevis var. crassifolia J. C. Roos 1966-9-20 s.n. Riverside San Jacinto. Comment
  SDSU18725  Mirabilis laevis var. crassifolia C. Matt Guilliams 2008-2-13 451 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
  SD123928  Mirabilis laevis var. retrorsa Robert Thorne, Fosberg, et al 1983-4-23 55411 Riverside San Befrnardino Mountains; mouth of Whitewater Canyon, east of Whiotewater Post Office at south end of ridge, in sandy wash east of bridge and on base of west-facing slope of ridge. 410 Comment
  SEINET3161593  Mirabilis laevis var. retrorsa N. H. Holmgren, P. K. Holmgren 1974-3-23 7475 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  RSA777816  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 845 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  CLARK-A1528-4227  Mohavea confertiflora John C. Roos 1947-2-14 3252 Riverside Eagle Mountains Comment
  RSA516911  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1453 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCSB7538  Mohavea confertiflora Beeks, Richard 1952-4-4 Riverside 7 mi north of Mecca; in Box Cyn Comment
  UC1995358  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside lower part of trail to Round Valley; San Jacinto Mts. Comment
  UC25504  Monardella australis subsp. australis H. M. Hall July, 1901 2486 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  POM230697  Monardella lanceolata var. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North fork, San Jacinto River. 1500 Comment
  IRVC2054  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 280 Riverside Santa Rosa Mtns: Palms to Pines Hwy. Peninsular Ranges 1098 Comment
  UCR217559  Monardella macrantha subsp. hallii Jeff B. Galvin 2009-7-14 95 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  LA96097  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 102 Riverside Black Mountain Spring Comment
  LA96099  Monardella nana Elizabeth McClintock; H. Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  UC1499859  Monardella nana Elizabeth McClintock 1940-5-19 6 Riverside 1/2 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  UC1499909  Monardella nana Elizabeth McClintock 1941-6-8 67 Riverside 1.2 miles east of Ribbonwood. Pines to Palms Highway Comment
  UC1499932  Monardella nana E. McClintock, H. Lewis 1941-6-29 78 Riverside Santa Rosa Mt. road, 2.3 mi beyond canyon where stream crosses road Comment
  RSA750281  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-9 87 Riverside San Jacinto Mts. Trail to Suicide Rock, about 3 miles from Fern Valley. Comment
  RSA767766  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp, on the Banning-Idyllwild road Comment
  UC1499852  Monardella nana subsp. tenuiflora C. Epling, H. Lewis 1942-6-17 Riverside Vandeventer Flats Santa Rosa Mountains, Pines to Palms Highway Comment
  UCR266415  Monolepis nuttalliana D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  CLARK-A1045-223  Monoptilon bellioides George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; bottom of wash; Lost Horse Mtn. 15'Q Comment
  POM14301  Monoptilon bellioides P. A. Munz, D. D. Keck 1922-4-9 4831 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA4936  Monoptilon bellioides C. B. Wolf 1932-4-27 3061 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA730041  Monoptilon bellioides R. F. Thorne 1973-3-30 42677 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SBBG100857  Monoptilon bellioides W. L. Halvorson 1977-3-8 77 -93 Riverside ca.1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  UC1922023  Monoptilon bellioides Robert F. Thorne, M. Z. Thorne 1973-3-30 42677 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  UCR185175  Muhlenbergia filiformis Naomi Fraga, Et al. 2006-7-11 1716 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA522734  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3840 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
  RSA87356  Muhlenbergia microsperma F. W. Peirson 1921-3-22 4323 Riverside Andreas Canyon, Palm Springs region Comment
  SEINET255560 Image available Muhlenbergia microsperma Mitch Provance 2004-5-1 7604 Riverside Granitic Knolls of Riverside, W side of Versity Hill (Coyote Hill), S side of the UCR campus 396 Comment
  UCD86835  Muhlenbergia microsperma G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2731 Riverside Colorado Desert: Chuckwalla Mts; 10.6 mi SSW of Chuckwalla Valley Rd. on Graham Pass Rd. Comment
  UCR163054  Muhlenbergia microsperma B. G. Pitzer, G. R. Ballmer 2000-10-14 4236 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  UCR252601  Muhlenbergia microsperma T. B. Salvato, Matthew Malle 2013-4-4 7502 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  CAS-BOT-BC83347  Myosurus minimus Frank W. Peirson 1922-5-20 3035 Riverside About 1 mile belwo Kenworthy. Hemet Valley, San Jacinto Mountains. 1386 Comment
  SD261013  Myosurus minimus subsp. apus John F. Green 2008-7-9 Riverside Peninsular Range: Menifee Valley, east of Briggs Rd and north of Holland Rd (Romoland 7.5'Q) 438 Comment
  UCR77754  Myosurus minimus subsp. apus Steve Boyd, D. E. Bramlet 1991-3-13 6227 Riverside Winchester Valley between Winchester & Hemet along upper Salt Creek drainage. Pasture north of Santa Fe RR tracks, west of San Diego Aqueduct. Comment
  SD28079  Myriopteris covillei Carl B. Wolf 1932-5-24 3646 Riverside Snow Creek Canyon, I(c) mile below fish hatchery, north base of San Jacintos mountains 550 Comment
  RSA522091  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3759 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  UCR148478  Nama demissa 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
  CDA40302  Nama demissa var. demissa T. C. Fuller 1963-4-23 10273 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  JOTR32161  Nama demissa var. demissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2313 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA0040072  Nama hispida var. spathulata Jim Andre 2014-1-27 26661 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR110404  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23173 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA575825  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  RSA731541  Nassella tenuissima R. E. Riefner 2007-5-26 7 -216 Riverside City of Lake Elsinore, along I-15 north near Main St. 404 Comment
  RSA601113  Nasturtium officinale A. C. Sanders, G. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18112 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1098 Comment
  POM220131  Navarretia atractyloides F. M. Reed 1932-6-20 7239 Riverside Dry roadside opposite Prison Camp at Dripping Springs - road from Temecula to Aguanga. Comment
  UCR22128  Navarretia atractyloides Steve Boyd 1980-6-4 312 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA617829  Navarretia fossalis R. E. Riefner 1998-8-13 98 -463 Riverside Elsinore Trough. W. of Menifee/ Murrieta. Comment
  SD138833  Navarretia fossalis Craig Reiser 1993-4-25 Riverside South side of Highway 79, perhaps I(c) mile east of Los Caballos Road. (IPB 3/06) Comment
  RSA627853  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR206020  Navarretia prostrata Diane Menuz 2009-5-14 495 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  SD262254  Nemacladus longiflorus var. longiflorus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417 68 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., 700-11-- ft. WNW of inter. With Glen Eden Rd. 366 Comment
  UCR18530  Nemacladus longiflorus var. longiflorus A. C. Sanders 1978-6-20 00259 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UC218060  Nemacladus orientalis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4852 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  POM128360  Nemacladus ramosissimus Thos. Craig 1927-4-23 210 Riverside Glen Ivy. Comment
  UCR158333  Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30061 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
  UC126891 Image available Nemacladus rubescens H. M. Hall 1905-4-17 5819 Riverside e base Indio Mt.; Colorado Desert; Indio Mt., Colorado Desert, Riverside Co. 150 Comment
  SEINET10906123  Nemacladus rubescens Philip A. Munz 1926-1-31 Munz 9979 Riverside Dos Palmos Spring Comment
  RSA777733  Nemacladus sigmoideus J. Andre, G. L. Clifton 2011-2-22 17450 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  UCSB38679  Nemacladus sigmoideus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA439275  Nemacladus tenuis var. aliformis Christopher Davidson 1979-4-4 7703 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  SEINET3409351  Nemacladus tenuis var. aliformis G. Rink, T. Thomas 2013-3-30 11922 Riverside About 3 miles east of Desert Center 220 Comment
  RSA659376  Nemophila menziesii Lydia Paneri 1982-4-17 48 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  RSA783108  Nemophila menziesii J. D. Olmsted 1962-5-2 441 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UCR163358  Nemophila menziesii O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR178142  Nemophila menziesii T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 919 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCSB12634  Nemophila menziesii Whittington, M. 1962-3-17 Riverside Southwest of U.S. Highway 71; about 300 feet; by the Alberhill brickyard in Alberhill Comment
  RSA523544  Nemophila menziesii var. menziesii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4004 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM363669  Nicolletia occidentalis Jack Rempel, Erwin Miller 1934-4-28 18733 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
Read comments
Dec 11 2011
  UCR33574  Nicotiana attenuata Sears 1978-3-16 804 Riverside Sonoran (Colorado) Desert, 10 mi north of Blythe along road to Midland. Foothills of Big Maria Mtns. 274 Comment
  RSA16361  Nicotiana bigelovii var. wallacei Percy C. Everett 1935-6-18 7171 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  UC2015579  Nicotiana clevelandii A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16184 Riverside Coachella Valley: Willow Hole, 4 miles south of Desert Hot Springs. Comment
  UC218063  Nicotiana clevelandii P. A. Munz, D. Keck 1922-4-13 4921 Riverside near Mecca (Shavers Well); Shavers Well 91 Comment
  UCR20745  Nicotiana glauca A. C. Sanders, Steve Boyd 1980-5-2 1441 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA776347  Nicotiana obtusifolia Duncan S. Bell 2010-3-20 621 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SBBG25237  Nicotiana obtusifolia Leota Davidson 1965-5-12 193 Riverside beside rd near Jumbo Cmpgrd, Joshua Tree Nat Monument Comment
  OBI35027  Nicotiana obtusifolia Sears 1977-10-12 S 572 Riverside Corn Spring, Desert Palm Oasis 512 Comment
  JEPS62091  Nolina parryi W. L. Jepson 1901-5-25 1433 Riverside road from Van Deventer's to Coyote Creek Comment
  RSA45204  Nolina parryi J. C. Roos, L. Roos 1949-4-23 4282 Riverside Monson Canyon, Eagle Mountains. Comment
  UC2030242  Notholaena californica Beck with M. D. Windham, C. J. Rothfels, A. Grusz, K. Pryer, E. Schuettpelz 2008-5-15 1093 Riverside Outskirts of Palm Springs just W of Palm Canyon Drive Comment
  CAS-BOT-BC171495  Oenothera californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario Comment
  RSA162850  Oenothera californica J. D. Olmsted 1959-4-21 447 Riverside Along roadside at intersection of Archibald Ave U.S 60. 2 mile W of Jurupa Hills to Santa Ana River 259 Comment
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Jun 3 2013
  POM12792  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  RSA736168  Oenothera claviformis subsp. aurantiaca Rosemarie Zimmermann 1962-2-24 213 Riverside Cathedral City: Palms to Pines Hwy. 152 Comment
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Jun 4 2013
  POM355587  Oenothera deltoides subsp. deltoides Malcolm M. Rice 1922-5-5 s.n. Riverside Colorado Desert; White Water. Comment
  RSA4933  Oenothera deltoides subsp. deltoides Carl B. Wolf 1932-4-27 3065 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  POM8531  Oligomeris linifolia Mary F. Spencer 1920-3-14 234 Riverside Desert sand, Colorado Desert. -60 Comment
  UCR148854  Oligomeris linifolia 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
  UCR163937  Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29135 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR50294  Oligomeris linifolia B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 607 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  CLARK-A1656-697  Olneya tesota Lois Ann Scott 1979-5-16 Riverside Mecca 121 Comment
  SBBG133378  Oncosiphon piluliferum S. Boyd 2003-4-30 10507 Riverside Mira Loma, along Hwy 60 at onramp from Etiwanda Ave to Hwy 60 westbound Comment
  SEINET7249213  Oncosiphon piluliferum R. E. Riefner Jr. 2012-1 12 -82 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy. 74, vicinity of Bromley Ave. and Baker St. 380 Comment
  UCD134655  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga Region: Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mile south of Van Buren Blvd. 465 Comment
  UCR256754  Oncosiphon piluliferum T. B. Salvato, Matthew Malle 2013-5-20 7568 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  SEINET10447235  Opuntia basilaris David B. Dunn 1946-3-16 Dunn 2057 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Comment
  RSA22787  Opuntia phaeacantha C. B. Wolf, P. C. Everett 1938-9-29 9462 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 Comment
  JEPS66898  Opuntia polyacantha W. L. Jepson 1901-5-22 1384 a Riverside between Van Deventer Flats and Santa Rosa Indian Village (probably towards Toro Peak); Santa Rosa Mts. Comment
  RSA757047  Orcuttia californica D. E. Bramlet, Rick Riefner 2005-5-17 3856 Riverside Stowe vernal pool. The site is located 152m N of Stowe Rd. & 213m W of California Ave. The pools are located 8km west of Hemet. 456 Comment
  UCR189549  Orcuttia californica Fred M. Roberts, Michelle Balk 2005-4-23 6175 Riverside Perris Basin, San Jacinto Valley: upper Salt Creek watershed, W of Hemet, NW corner of Stowe and California Rd., 3.6km ENE downtown Winchester 132 Comment
  UC1539723  Orobanche cooperi Chas. B. Fiker 1946-4-17 Riverside w side of Colorado Desert Colorado Desert; w side of Colorado Desert Comment
  CAS-BOT-BC502862  Orobanche cooperi subsp. cooperi Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC502863  Orobanche cooperi subsp. cooperi Ira L. Wiggins 1941-3-24 9589 Riverside On E side of Salton Sea, 1 mi N of Imperial County Line Comment
  UCR24887  Orobanche fasciculata A. C. Sanders 1980-7-18 1635 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA0059156  Orobanche fasciculata Mary F. Spencer 1922-7-2 1561 Riverside Idyllwild. San Jacinto Mt. 1646 Comment
  UC63685  Osmorhiza berteroi H. M. Hall 1897-8-11 803 Riverside Tamarack and Round valleys San Jacinto Mountains 2743 Comment
  UCR79208  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  CLARK-A1528-676  Oxalis corniculata John M. Spencer 1971-5-8 Riverside University of California Comment
  POM121836  Oxytheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR19480  Oxytheca emarginata E. C. Jaeger 1922-7-23 s.n. Riverside San Jacinto Mtns., Pines to Palms Trail, east slope of mountains 1524 Comment
  RSA741191  Oxytheca trilobata Scott D. White, Justin M. Wood 2008-6-16 12130 Riverside San Jacinto Mountains: Fobes Ranch Road N of Quinn Flat 1390 Comment
  CAS-BOT-BC327914  Palafoxia arida W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Station Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  UCD84934  Palafoxia arida var. arida Chuck Hughes 2010-3-22 206 Riverside About 9.4 miles south of Highway 62, next to railroad tracks. 245 Comment
  UCR82985  Panicum capillare A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15810 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR260953  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6010 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south side of Hwy I-10, c. 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well 122 Comment
  CAS-BOT-BC274191  Pappostipa speciosa Peter H. Raven 1958-5-6 12927 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert, San Jacinto Mountains Comment
  SEINET191850 Image available Pappostipa speciosa C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi NW of Elsinore Comment
  RSA770989  Parietaria hespera var. hespera Jim Andre, Tasha La Doux 2009-2-25 10811 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA0098482  Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8 km east of Banning, 30 km WNW of Palm Springs, 4 km WNW of Cabazon. 646 Comment
  RSA777762  Parkinsonia florida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1083 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  SD113585  Parkinsonia florida Darley F. Howe 1952-4-27 2186 Riverside Box Canyon east of Mecca. Comment
  UCSB11822  Parkinsonia florida Creighton, B. 1961-5-7 Riverside 12.6 miles northeast of Pinyon Flat Campground on State Highway 74, and 3.8 miles southwest of Palm Desert and State Highway 111 274 Comment
  RSA709112  Pectis papposa Scott D. White, Justin M. Wood 2005-9-27 11230 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
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Mar 18 2012
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  JOTR32612  Pectis papposa var. papposa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2674 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UCR274821  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 106 Riverside Sonoran (Colorado) Desert, east side of the West Riverside Mountains, Hwy 62 to NS857, Radio Tower Road, to NS853, Vidal Valley 348 Comment
  RSA0121029  Pectocarya heterocarpa Duncan S. Bell, LeRoy Gross 2016-3-29 9109 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA747768  Pectocarya heterocarpa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12592 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UCR214883  Pectocarya heterocarpa A. C. Sanders 2010-3-15 37397 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
  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
  RSA716400  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA716430  Pectocarya linearis Scott D. White 2006-4-27 11316 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  SD130322  Pectocarya linearis Ed LaRue 1990-4-13 Riverside 0.5 miles northwest of Aguanga, north of Highway 79 and west of Highway371, ca. 1.5 air miles north of San Diego County Line 640 Comment
  UCR114826  Pectocarya linearis Mitch Provance, Seychelle Provance 1998-2-17 86 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
  UCR126438  Pectocarya linearis T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 65 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  RSA528100  Pectocarya linearis subsp. ferocula Steve Myers 1991-4-15 91 -16 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA611563  Pectocarya linearis subsp. ferocula R. S. Woglum 1939-4-22 2194 Riverside Peninsular Ranges: Near Aguanga; Cleveland National Forest. Comment
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Jun 9 2012
  UCD120125  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-16 24180 Riverside 0.25 mile west of Aguanga. Comment
  RSA487530  Pectocarya penicillata Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  RSA524232  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4026 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET7063223  Pectocarya penicillata A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UC1114562  Pectocarya penicillata Peter H. Raven 1958-3-15 11838 Riverside Box Canyon Comment
  UCR177824  Pectocarya penicillata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  CAS-BOT-BC169712  Pectocarya peninsularis E. A. McGregor 1917-4-1 844 Riverside Between Coyote Wells and Cement Bridge Comment
  JOTR34344  Pectocarya platycarpa Andre, Jim 2012-4-11 20691 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  OBI23314  Pectocarya platycarpa Robert F. Hoover 1969-4-11 11215 Riverside Mouth of Morongo Valley Cyn Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SEINET3127003 Image available Pectocarya platycarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37507 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q.). 142 Comment
  RSA775402  Pectocarya recurvata Duncan S. Bell 2011-4-10 2248 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  RSA777854  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 844 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SEINET7073385  Pectocarya recurvata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR224251  Pectocarya recurvata A. C. Sanders 2011-3-23 38804 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
  UCR85238  Pectocarya recurvata A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 16000 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
  UCR24459  Pedicularis densiflora John C. Roos 1966-4-23 s.n. Riverside Peninsular Range; Santa Ana Mtns, south of Corona Comment
  RSA787609  Pellaea andromedifolia John S. Garth 1944-4-8 1089 Riverside Andreas Canyon. 457 Comment
  UCR135843  Pellaea mucronata A. C. Sanders 2004-4-20 27532 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
  UCR162271  Pellaea mucronata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  RSA126030  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-8-20 22673 Riverside 14.7 mi. SW and W along State Hwy. 74 from Palm Village (jct. with State Hwy 111) 1127 Comment
  UC71513  Pellaea mucronata var. mucronata Miss Alice King Riverside Menefee Comment
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Mar 15 2014
  SBBG95104  Penstemon centranthifolius S. D. White 1990-7-12 Riverside E Millard Cyn 1158 Comment
  SD227907  Penstemon centranthifolius Andrew C. Sanders 1994-5-29 14581 Riverside San Bernardino Mountains: East Branch Millard Canyon, along FS Road 4S45. 1200 Comment
  CAS-BOT-BC265291  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside N of Vandeventer Flat, Santa Rosa Mountains 1676 Comment
  POM12005  Penstemon spectabilis E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  RSA90131  Penstemon spectabilis E. K. Balls, Percy C. Everett 1953-8-19 18534 Riverside 1-1.5 mi W of Anza along hwy from Anza to Agaunga. 1220 Comment
  UC1979642  Penstemon spectabilis var. spectabilis Steve Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as Agua on the USGS Vail Lake 7.5' quadrangle. Comment
  RSA562425  Pentachaeta aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  RSA674603  Pentachaeta aurea Scott D. White 2000-8-5 8097 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR261394  Pentagramma triangularis Joseph Cahill 2011-1-8 111- 19 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  LA204582  Peritoma arborea Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  CAS-BOT-BC77490  Peritoma arborea var. angustata John Thomas Howell 1928-1-30 3304 Riverside Two miles E. of Shavers Well, Colorado Desert Comment
  CAS-BOT-BC355997  Perityle emoryi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA778232  Perityle emoryi Duncan S. Bell 2009-3-8 37 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC170155  Perityle emoryi E. E. Schellenger 1894-12-3 104 Riverside Churckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  UCR242291  Perityle emoryi A. C. Sanders, T. B. Salvato 2012-10-12 40418 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR280614  Perityle emoryi Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-4 417- 01 Riverside Gavilan Hills, Ridge west of dirt road portion of Lake St., 0.8 miles N of Hwy. 15 at Alberhill. 500 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
  RSA0012644  Petalonyx thurberi April Garbat, Kristin Forgrave 2013-6-11 81 Riverside Box Canyon Rd near I-10, Cottonwood Springs Rd exit. 67 Comment
  UC1321307  Petalonyx thurberi R. F. Hoover 1966-10-15 10155 Riverside s. of Palm Desert (Dead Indian Creek wash); Dead Indian Creek wash Comment
  SEINET11978708  Petalonyx thurberi Unknown 1936-1 12554 Riverside Colorado Desert N of Palm Springs Comment
  SBBG4887  Petalonyx thurberi subsp. thurberi M. A. Piehl 1963-9-18 63840 Riverside near US 60, 70, 7.5 mi W of jct with Joshua Tree Mon Rd 373 Comment
  CAS-BOT-BC326734  Peucephyllum schottii Roxana S. Ferris 1918-6-14 984 Riverside Box Canyon near Shavers Well, Chocolate Mts., Mecca - Blythe Road Comment
  CAS-BOT-BC326769  Peucephyllum schottii Robert F. Thorne 1963-3-29 32441 Riverside South side of Eagle Mountains near pumping station of Metropolitan Water District about 12 miles west of Desert Center Comment
  LA203887  Peucephyllum schottii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Box Canyon Comment
  RSA775919  Peucephyllum schottii Duncan S. Bell, Amanda Turek 2010-4-10 811 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SEINET12534538 Image available Peucephyllum schottii G. C. Wheeler, J. Wheeler 1968-3-12 s.n. Riverside Deep Canyon Desert Research Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  UC667339  Phacelia affinis Annie M. Alexander and Louise Kellogg 1941-5-5 2123 Riverside Lost Horse Valley Joshua Tree National Monument 1280 Comment
  POM73356  Phacelia ambigua Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA613905  Phacelia brachyloba A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20648 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  UCR241185  Phacelia brachyloba Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 502 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UC68749  Phacelia campanularia subsp. campanularia H. M. Hall Apr. 1905 5755 Riverside Whitewater Colorado Desert 243 Comment
  UC702059  Phacelia campanularia subsp. campanularia Harlan Lewis 1946-4-21 103 Riverside side canyon about 3 mi from Hiway 99; Whitewater Canyon Comment
  UC1242711  Phacelia campanularia subsp. vasiformis C. L. Hitchcock and C. V. Muhlick 1962-3-16 22147 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UC494750  Phacelia campanularia subsp. vasiformis Philip A. Munz and C. L. Hitchcock 1932-4-9 12230 Riverside e Riverside Co. White Tanks Comment
  UC68747  Phacelia campanularia subsp. vasiformis H. M. Hall Apr. 1905 5996 Riverside Cottonwood Pass Colorado Desert 670 Comment
  UC809716  Phacelia campanularia subsp. vasiformis Philip A. Munz 1949-4-11 13021 Riverside slope near Conejo Well; Mohave Desert, north base of Eagle Mts. 914 Comment
  UCSB42177  Phacelia cicutaria var. hispida Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  UC68752  Phacelia crenulata var. ambigua H. M. Hall May 1905 5897 Riverside Chuckawalla Springs Colorado Desert Comment
  CHSC34463  Phacelia crenulata var. crenulata Al Boynton 1966-3-26 35 Riverside 10 mi SE. of Thousand Palms in White Water canyon. San Bernardino Mts. 457 Comment
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Jan 15 2010
  SD215567  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan and M. Wall 1992-3-25 4647 Riverside Ford Dry Lake, north of I-10 at Hopkins Well. Comment
  UC665895  Phacelia crenulata var. minutiflora Ira L. Wiggins 1941-3-27 9669 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  OBI36170  Phacelia distans Sears 1978-3-18 915 Riverside 1/4 mi S of Chuckwalla Rd on the Corn Springs rd, 10 mi E of Desert Center. In wash area in foothills of the Chuckwalla mts. T6S, R17E, sec 5, 6 219 Comment
  RSA650568  Phacelia distans Marion P. Harthill 1973-2-17 1569 Riverside W. Palm Springs. 366 Comment
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Apr 16 2009
  UC672423  Phacelia distans Herbert L. Mason 1928-3-11 4239 Riverside Desert Flats near Indio; Colorado Desert Comment
  UCR116815  Phacelia distans A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23945 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR174557  Phacelia distans Thi (Teresa) Bui, Jennifer H. Jones and Holly Summers 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  POM9586  Phacelia distans I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  JEPS1187  Phacelia minor W. L. Jepson 1928-4-19 12435 Riverside hills 5 mi n Elsinore 609 Comment
  RSA586128  Phacelia minor D. L. Banks 1995-4-11 171 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 Dripping Springs Trail. 951 Comment
  SDSU6654  Phacelia minor D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  UC1007227  Phacelia minor Philip A. Munz 1940-2-1 15655 Riverside 2 mi n Banning-Indio boulevard; Whitewater Canyon Comment
  UCR33521  Phacelia pedicellata Faulkner 1978-4-28 517 Riverside Eastern Colorado Desert, West Riverside Mountains, 9 mi. [SW] of Vidal 457 Comment
  LA205627  Phacelia ramosissima Elizabeth McClintock; 1941-5-19 9 Riverside rd to Santa Rosa Peak Comment
  SEINET4080506  Phacelia ramosissima var. latifolia C. Davidson 1975-1 2820 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  UC63812  Phacelia ramosissima var. latifolia H. M. Hall June 1899 Riverside Fairmount Hill Riverside Comment
  RSA678929  Phalaris angusta Scott D. White, Michael Honer 2003-6-3 9472 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SEINET954733  Phalaris canariensis Mitch Provance 2005-1 6569 Riverside Warm Springs Valley; Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 396 Comment
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Aug 21 2014
  POM14419  Phalaris lemmonii P. A. Munz, I. M. Johnston 1922-5-18 5374 Riverside Menifee Valley Comment
  RSA512170  Phalaris minor Ed LaRue 1989-4-21 s.n. Riverside Moreno valley, University of California agricultural experimental farms, ca. 1/2 mi. S of Alessandro Blvd. at NE corner of Catus Ave. & Nason Street. Comment
  CAS-BOT-BC219551  Pholisma arenarium C. L. Hitchcock; C. V. Muhlick 1964-3-22 23269 Riverside At w. end of Pinto Basin, Joshua Tree National Monument Comment
  JOTR28818  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1086 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  CAS-BOT-BC134987  Phoradendron bolleanum H. E. Parks 1946-2-1 24406 Riverside Santa Rosa canyon, W side of Colorado Desert Comment
  SBBG1369  Phoradendron bolleanum H. and M. Dearing 1940-11-11 5020 Riverside Morongo Cyn Comment
  OBI36173  Phoradendron californicum Faulkner 1978-3-21 351 Riverside 9 mi N of Blythe, Hwy 95 Saline flats 152 Comment
  RSA676278  Phoradendron californicum Scott D. White 2001-4-3 8235 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCD102020  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs. 152 Comment
  UCR281867  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-9-21 43356 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  JOTR36413  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  JOTR36414  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UCR35312  Phoradendron tomentosum subsp. macrophyllum L. B. Ziegler 1977-12-20 578 Riverside San Jacinto Valley Comment
  UC51622  Phragmites australis Jos. Burtt Davy 1902-4-2 8045 Riverside Salton Comment
  RSA0020259  Physalis acutifolia J. C. Roos 1951-9-25 5263 Riverside Riverside. 259 Comment
  CLARK-A1528-889  Physalis crassifolia 1947-2-1 Riverside Pinyon Crest Comment
  CSUSB762  Physalis crassifolia Jean Texera 1970-3-27 Riverside About 3 miles south of Palm Desert on dirt road continuation of Portola Ave., 25 feet north of Deep Canyon Desert Research Center fence, 175 feet west of road on edge of wash. 204 Comment
  POM14235  Physalis crassifolia Philip A. Munz, D. D. Keck 1922-4-9 4910 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA304172  Physalis crassifolia James R. Shevock 1972-3-5 1361 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  RSA423827  Physalis crassifolia E. C. Jaeger 1922-4-9 821 Riverside Chucawalla Well, Colorado Desert of California. 259 Comment
  UCD126806  Physalis crassifolia L. S. Rose 1936-1-1 s.n. Riverside 19 miles north of Indio, Aqueduct Road. 609 Comment
  SEINET7048166  Physalis crassifolia Steven R. Hill 2001-5-3 33671 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
  RSA698298  Pinus cembroides J. Vlahos 1934-6-3 s.n. Riverside Lower Transitions Zone or upper sonoran. Comment
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Dec 11 2011
  CAS-BOT-BC78434  Pinus contorta var. latifolia Carl B. Wolf 1932-8-5 3984 Riverside San Jacinto Mts., Summit of San Jacinto Peak 3293 Comment
  SEINET8060794 Image available Pinus coulteri G. Yatskievych, K. McCrary 1984-7-29 84 -122 Riverside Riverside County; State Route 243, 0.5 miles S of Baby Tree Spring 1585 Comment
  CAS-BOT-BC73185  Pinus jeffreyi Geo. B. Grant 1901-7-1 987 Riverside San Jacinot Mts. 1524 Comment
  IRVC2817  Pinus monophylla R. H. Whittaker, W. A. Niering 1963-5-31 SJ 93 Riverside "Palm Canyon Road", off Palm to Pines Hwy. Peninsular Ranges, Santa Rosa Mountains 1220 Comment
  MACF014860  Pinus monophylla Lanny Southard 1964-12-8 13 Riverside Growing along Palms to Pines Highway 1219 Comment
  RSA384369  Pinus monophylla N. C. Cooper 1943-9-11 893 Riverside San Jacinto Mtns. Eastern slope at roadside 1220 Comment
  SEINET5485754 Image available Pinus monophylla Richard Carter 1984-12-18 3861 Riverside 1.1 mi. S. of Pinyon Crest - along Hwy 74. Pinyon-juniper woodland. 10m. Tree. 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
  UCD134983  Pinus quadrifolia Lionel A. Stange 1956-5-12 s.n. Riverside Fifteen miles south of Banning on road to Idyllwild. Comment
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Mar 13 2014
  CDA22277  Pipturus skottsbergii Carl Yonge 1962-11-2 Riverside Mrs. John Day property, 6582 Mitchell Street, Arlington. 0 Comment
  CHSC35499  Plagiobothrys Ken Cole 1972-4-29 M- 14 Riverside 21 mi. SW of Murrieta on Tenaja Rd.; near vernal pool. 655 Comment
  CLARK-A1528-339  Plagiobothrys californicus var. californicus Roberta H. Smith 1969-5-4 26 Riverside Lake Mathews 435 Comment
  RSA736297  Plagiobothrys canescens Scott D. White, Jamie Minor 2008-3-13 11768 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  RSA752560  Plagiobothrys canescens Justin M. Wood 2009-3-3 324 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  SD236235  Plagiobothrys canescens John F. Green 2006-4-18 Riverside NE of Murrieta, just S of Los Alamos Road (Clinton Keath Rd) on E and W sides of Liberty Road border between City of Murrietta and unincorporated French Valley (Murrieta 7.5'Q) 415 Comment
  SEINET959162  Plagiobothrys canescens John F. Green 2006-1 Riverside Northeast of Murrieta, just south of Los Alamos Rd. (''Clinton Keith Rd.'') on east and west sides of Liberty Rd. border between City of Murrieta and uniincorporated French Valley (Murrieta 7.5' Q) 415 Comment
  UCR172726  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  RSA0093974  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37677 Riverside Peninsular Range; foothills of Gavilan Hills. Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 372 Comment
  UCR230784  Plagiobothrys collinus A. C. Sanders, Nathan Moorhatch 2011-3-22 38782 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
  POM368913  Plagiobothrys collinus var. californicus Albert J. Perkins 1895-04 s.n. Riverside Near Riverside, Calif. Comment
  RSA614194  Plagiobothrys collinus var. californicus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch, E of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  UCR241852  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy W. Chumley 2013-4-3 40769 Riverside Peninsular Range, Temescal Canyon south of Horsethief Canyon Rd. off the west shoulder of I-15 Fwy, SE of Corona (Lee) Lake 392 Comment
  UCR246654  Plagiobothrys collinus var. californicus A. C. Sanders 2012-3-22 39987 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., SE of intersection of Glen Eden Rd. and I-15 Frontage Rd., south of Corona (Lee) Lake 378 Comment
  UC494753  Plagiobothrys collinus var. gracilis Philip A. Munz 1932-3-24 12018 Riverside Corona 365 Comment
  POM287294  Plagiobothrys nothofulvus Lyman Benson 1932-3-26 3176 Riverside Temecula Grade. Temecula Valley. 549 Comment
  SDSU13679  Plagiobothrys nothofulvus Jutta Buschbom 1991-5-1 45 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  RSA386943  Plantago bigelovii subsp. californica K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 903 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR211722  Plantago coronopus Fred M. Roberts 2005-5-26 6211 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, between the Ramona Expressway and Ramona Blvd, 0.2 km north of the latter, 1.9 km southwest of Gilman Hot Springs 442 Comment
  UCR76164  Plantago elongata A. C. Sanders 1993-4-1 13663 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
  RSA388509  Plantago erecta Steve Boyd 1986-5-1 1806 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA750552  Plantago erecta Scott D. White, Justin M. Wood 2009-5-21 12876 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA85580  Plantago erecta J. C. Roos 1952-4-2 5461 Riverside Box Springs. 488 Comment
  UCR107708  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  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
  RSA335010  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  CSUSB1314  Plantago major Margaret-Lee Dean 1965-4-23 Riverside 3908 Linwood Place, Riverside 262 Comment
  JEPS7165  Plantago ovata L. G. Childs May 1920 Riverside near Mecca; Colorado Desert Comment
  RSA0013276  Plantago ovata April Garbat, Sarah J. De Groot 2013-4-9 40 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd 130 Comment
  RSA770450  Plantago ovata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4562 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 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
  SBBG25046  Plantago ovata var. fastigiata D. Myrick 1966-4-1 1326 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  RSA773594  Plantago patagonica Duncan S. Bell, Joy D. England 2010-6-14 1306 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
  UC1148888  Plantago patagonica H. K. Wagnon 1944-3-16 343 Riverside banks of Tahquitz Creek Palm Springs, Tahquitz Creek Comment
  UCR178149  Plantago patagonica T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 912 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR259219  Plantago patagonica Mitch Provance, Jeremiah George 2012-4-24 412- 09 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  RSA21483  Plantago purshii var. oblonga Carl B. Wolf 1937-4-5 8418 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 366 Comment
  RSA772005  Platanus racemosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4967 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SDSU13610  Platanus racemosa W. Miller, C. Mosse 1972-7-19 Riverside 50 ft. from the river, 200 yards upriver from beaver dam. Comment
  RSA660049  Platystemon californicus Glenda Long 1981-4-11 7 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  POM320420  Pleuraphis rigida Lynne Hayden 1970-3-24 57 Riverside Palm Springs, Chino Canyon, first alluvial fan 549 Comment
  HSC27783  Pleurocoronis pluriseta Richard Spjut 1973-4-16 3306 Riverside Western border of the Colorado Desrt; San Jacinto Mts. just N of Palm Springs 244 Comment
  RSA336419  Pleurocoronis pluriseta R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52050 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  CAS-BOT-BC326547  Pluchea sericea Herman Knoche 1919-6-1 592 Riverside Palm Springs Comment
  CAS-BOT-BC326550  Pluchea sericea W. R. Dudley 1903-12-29 s.n. Riverside Palm Barrancas Comment
  RSA0120628  Pluchea sericea Duncan S. Bell, Thomas Stoughton 2016-3-16 8943 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  UCR81687  Pluchea sericea J. M. Stewart 1994-5-2 856 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  UCR2680  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  RSA747968  Poa bulbosa Justin M. Wood 2009-5-11 686 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR133112  Poa pratensis 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
  POM263182  Poa pratensis J. C. Roos 1937-8-18 466 Riverside Round Valley, San Jacinto Mountains. Comment
  RSA180378  Polygala cornuta var. fishiae E. W. Lathrop 1960-6-7 4890 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 28 2011
  POM2369  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  SD143775  Polygonum aviculare subsp. depressum Scott D. White 1996-12-26 4644 Riverside Perris area, irrigared alfalfa field 424 Comment
  UCR47635  Polygonum persicaria Dave Thomason 1987-7-7 s.n. Riverside Sonoran (Colorado) Desert, Lake Cahuilla, Coachella Valley 15 Comment
  IRVC3039  Polypodium californicum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 183 Riverside Bee Canyon; San Jacinto Ridge Road. San Jacinto Mountains 701 Comment
  CAS-BOT-BC237274  Polypogon monspeliensis H. M. Hall 1901-5-1 s.n. Riverside Elsinore Comment
  SEINET4058579  Polypogon monspeliensis O. M. Clark 1936-1 7577 Riverside San Jacinto Creek, San Jacinto Mountains. Comment
  UCR139136  Polypogon monspeliensis Julie A. Greene 1993-4-17 1208 Riverside San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd 439 Comment
  RSA191987  Polypogon viridis E. W. Lathrop 1964-5-24 5395 Riverside 8 miles west of Murrieta Comment
  RSA735355  Populus fremontii Keith E. Hoffmaster 1937-3-16 746 Riverside Near Palm Springs Station Comment
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Aug 27 2011
  POM144627  Porophyllum gracile A. M. Alexander, Louise Kellogg 1941-5-9 2141 Riverside Cottonwood Spring, Eagle Mountains 884 Comment
  RSA585499  Porophyllum gracile D. L. Banks, S. D. Boyd 1995-5-9 0361 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
  UCR102718  Porophyllum gracile B. G. Pitzer 1998-1-24 3404 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA544379  Portulaca oleracea Steve Boyd, Timothy S. Ross 1991-6-14 6394 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UC355  Potamogeton diversifolius H. M. Hall 1901-7 2490 Riverside shores of Lake Surprise; San Jacinto Mountains 2499 Comment
  RSA769818  Potamogeton foliosus E. W. Lathrop 1969-6-5 7096 Riverside 6 miles west of Murrieta, Mesa de Colorado of Santa Rosa Plateau. 625 Comment
  UCR179755  Proboscidea louisianica Mike Misenhelter 2006-11-14 s.n. Riverside Hemet, south of Florida Ave. (Hwy 79) at Cawston Ave., in proposed extension of Cawston to Acacia Ave. 462 Comment
  UCD166277  Prosopis glandulosa var. torreyana Jack Major 1962-4-17 791 Riverside On the outskirts of Palm Desert. (Exact location unkown. Coordinates estimated by label maker.) Comment
  UCR120721  Prunus fremontii Helen Kennedy, T. B. Salvato 2002-2-2 5442 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  CAS-BOT-BC356346  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Desert, at Thousand Palms, Indio Hills Comment
  UCR29849  Psathyrotes ramosissima George K. Helmkamp 1983-3-24 383- 7 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  SBBG50941  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side cyn downstream from "Big Pool," Andreas Cyn, N slope San Jacinto Mtns Comment
  CHSC256  Pseudognaphalium californicum E. Thomas 1940-4-21 Riverside Palm Canyon. 457 Comment
  SEINET10914958  Pseudognaphalium microcephalum David B. Dunn 1947-10-9 Dunn 3522 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  RSA526504  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross 1990-5-11 4699 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  CLARK-A1045-174  Psilocarphus brevissimus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains along road; drying mud of vernal pools; Wildomar 7.5'Q Comment
  RSA515331  Psilocarphus brevissimus Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW slope of Mesa de Burro. 579 Comment
  SD237349  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal. 500 Comment
  CHSC98084  Psilocarphus tenellus var. globiferus R. E. Riefner Jr. 2005-4-22 05 -242 Riverside West roadside of Hwy. 79 between Old Newport Rd. and Patton Rd. Vernal pool. UTM: 11S 049215E 3727687N. 468 Comment
  RSA94628  Psilostrophe cooperi F. W. Peirson 1928-4-25 7916 Riverside On plateau west and northwest of Cottonwood Spring, northern Colorado Desert Comment
  SD121836  Psorothamnus arborescens var. simplicifolius C. H. Muller 1952-5-21 9515 Riverside Outwash plain at mouth of Morongo Canyon. Comment
  UCR178535  Psorothamnus arborescens var. simplicifolius R. G. Swinney 1967-5-26 141 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CAS-BOT-BC353624  Psorothamnus emoryi W. R. Dudley 1903-12-25 s.n. Riverside near Palm Springs Comment
  LA205190  Psorothamnus emoryi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  SBBG3303  Psorothamnus emoryi H. and M. Dearing 1936-12-25 799 Riverside 1000 Palms Cyn Comment
  UC128408  Psorothamnus emoryi Marcus E. Jones, A. M. 1903-5-8 Riverside Indio -7 Comment
  UCSB11230  Psorothamnus emoryi Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe 106 Comment
  RSA0047641  Psorothamnus schottii J. M. Andre 2012-4-11 20847 Riverside north end of range, along dirt road 2.8 mi. due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit 623 Comment
  RSA655225  Psorothamnus schottii Scott D. White 1999-10-19 7626 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
  RSA0022493  Psorothamnus schottii Bonnie C. Templeton 1930-4-9 1000 Riverside North of Palm Springs 305 Comment
  CAS-BOT-BC340946  Psorothamnus spinosus John Thomas Howell 1928-1-28 3291 Riverside Thousand Palms, Colorado Desert Comment
  RSA13819  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UCR130050  Psorothamnus spinosus George K. Helmkamp, E. A. Helmkamp 1998-6-27 4106 Riverside Coachella Valley., Along Calif. Hwy 74 at the south end of Palm Desert 290 Comment
  RSA91439  Psorothamnus spinosus F. W. Peirson 1921-4-13 568 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  CAS-BOT-BC421258  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  POM8825  Pterostegia drymarioides Mary F. Spencer 1920-7-4 s.n. Riverside [Palm?] Canyon 183 Comment
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Nov 19 2011
  SD261010  Pterostegia drymarioides Mitch Provance 2012-5-24 512 9 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intesection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 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
  RSA0114925  Quercus Mitch Provance 2012-9-5 912 -10 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCR266457  Quercus Mitch Provance 2009-9-10 17424 Riverside San Bernardino Mountains, Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  UCSB56478  Quercus X munzii Thorne, Robert 1968-01 Riverside Joshua Tree National Monument; Live Oak Tank Comment
  RSA711036  Quercus agrifolia A. C. Sanders, R. E. Riefner 2005-8-12 31559 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR92440  Quercus agrifolia A. C. Sanders, S. Hawkins 1996-4-24 18072 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  SEINET5466655 Image available Quercus agrifolia Richard Carter 1984-12-18 3855 Riverside Dripping Springs Campground. Comment
  UCR241939  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range, Temescal Canyon, east of Glen Ivy near where Temescal Canyon Rd. passes under I-15 318 Comment
  UCR250920  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 4 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
  UCR264645  Quercus berberidifolia Mitch Provance 2012-4-27 412- 17 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
  RSA761997  Quercus chrysolepis Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 74 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS37474  Quercus cornelius-mulleri W. L. Jepson May 17 1901-Jun 1 1901 1437 Riverside Coyote Canyon Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  UCR123366  Quercus wislizeni Steve Boyd, D. E. Bramlet 1988-10-8 2868 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR54519  Quercus wislizeni A. C. Sanders, E. J. Lawlor 1988-10-22 8721 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 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
  SDSU12948  Rafinesquia californica Jutta Buschbom 1991-6-3 22 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
  UCR174365  Rafinesquia californica A. C. Sanders 2006-5-19 32410 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
  UCR180107  Rafinesquia californica Mitch Provance 2003-4-26 9899 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCD135347  Rafinesquia neomexicana LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1413 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  UCR245961  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  POM12901  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-6-30 5897 Riverside Santa Rosa Mts.: Santa Rosa. 1982 Comment
  UC219555  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak San Jacinto Mts. (near the summit) 3285 Comment
  CLARK-A1045-161  Ranunculus occidentalis George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR183341  Raphanus raphanistrum Mitch Provance 2005-5-27 4604 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR131792  Ratibida Mitch Provance 1998-6-20 753 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA496734  Rhamnus ilicifolia B. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  RSA787602  Rhododendron occidentale C. H. Tingley 1927-1 741 Riverside San Jacinto Mountains. Comment
  UCR154729  Rhus aromatica T. B. Salvato, Kent Beaman 2005-5-16 770 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
  CLARK-A1528-1411  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  JEPS66258  Rhus ovata W. L. Jepson 1901-5-18 1258 Riverside San Jacinto River, upper San Jacinto Valley San Jacinto River (from Riverside to Santa Rosa Peak and Palomar); San Jacinto Valley, San Jacinto River 548 Comment
  POM14057  Rhus ovata P. A. Munz, D. Keck 1922-4-14 5004 Riverside East of Whitwater Ranch 213 Comment
  RSA776283  Rhus ovata Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 885 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  RSA667365  Rhus trilobata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and Adjacent s,opes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont., 33 53 45 N, 117 01 30 W 549 Comment
  SEINET959435  Ribes cereum A. C. Sanders 2006-1 32826 Riverside Schell Creek Range: Canyon c. 0.7 mi. above Rosebud Spring, c. 0.5 mile SW of VABM Connor ( 2633m), 2.5 miles SSW of Hwy 50/93. 2400 Comment
  RSA522733  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3839 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
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  HSC86125  Ribes nevadense Jane Hildreth 1981-6-4 23 Riverside San Jacinto Mtns., San Bernardino National Forest, Bay Tree Springs along Hwy. 243, 12 mi. S of Banning 1646 Comment
  POM476212  Ribes nevadense N. C. Cooper 1944-6-17 1400 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  SD229186  Ribes nevadense Dick Schwenkmeyer 2012-8-27 811 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UC11635  Ribes nevadense H. M. Hall July, 1901 2423 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  UCR91277  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UC729897  Ribes roezlii Carl B. Wolf 1932-8-5 3969 Riverside above small stream and meadows feeding Tahquitz Creek (on trail from Tahquitz Valley to San Jacinto Peak); San Jacinto Mts. 2804 Comment
  RSA674551  Ribes speciosum Scott D. White 2000-5-1 7750 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SBBG133563  Ricinus communis S. D. White, A. Carey 2004-7-2 10596 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR251302  Ricinus communis T. B. Salvato, Matthew Malle 2014-4-8 7827 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  CHSC1217  Romneya coulteri E. Thomas 1940-5-11 Riverside Temescal canyon. Comment
  UCD169364  Romneya coulteri A. C. Sanders; John F. Green 2012-4-6 40013 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona. 327 Comment
  CAS-BOT-BC300507  Rondeletia amoena O. F. Clarke 2003-5-1 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR167840  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  SD136237  Rorippa obtusa Dylan T. Hannon 1993-5-6 176 Riverside Norco, ca 3 miles west of Interstae 15, along north side of Santa Ana River bordering dairy fields Comment
  GMDRC6588  Rosa californica J. M. Andre 2012-6-15 30551 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UCR201631  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR121262  Rubia tinctoria O. F. Clarke 2001-7-3 s.n. Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden 335 Comment
  RSA761751  Rubus parviflorus Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 645 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR96710  Rumex crispus A. C. Sanders 1997-3-1 19725 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 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
  CAS-BOT-BC433585  Rumex hymenosepalus Scott D. White 1996-4-14 3910 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 550 Comment
  UCR211729  Rumex pulcher Fred M. Roberts, D. E. Bramlet 2005-5-5 6181 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  SD233910  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley: upper Warm Springs Creek between Hyw 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester (Winchester 7.5' Q) 433 Comment
  UCR266491  Rumex violascens Mitch Provance, Matt Amalong 2015-4-6 415- 16 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  UCR17576  Sagina saginoides var. hesperia E. C. Jaeger 1921-7-4 s.n. Riverside San Jacinto Mtns., Round Valley 2744 Comment
  JEPS38440  Salix exigua S. B. Parish 1888-5-20 2040 Riverside near Riverside (Santa Ana River) Comment
  POM296373  Salix exigua Lyman D. Benson 1945-4-6 11662 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 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
  UCR278877  Salix exigua Mitch Provance 2012-7-14 712- 17 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  LA208621  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  CAS-BOT-BC108116  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 1 mi. N.W. of Santa Ana river, 6 mi. from Corona on Chino Road Comment
  LA208658  Salix gooddingii Carl Epling; J. Ewan June 1933 Riverside S shore Lake Elsinore Comment
  RSA615395  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. 445 Comment
  POM50387  Salix laevigata W. W. Eggleston 1924-3-10 19539 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  UC914197  Salix laevigata Charles B. Fiker 1946-4-2 3359 Riverside road dip s of Temecula bridge (on Hwy. 395) Comment
  UCR112471  Salix laevigata A. C. Sanders, T. B. Salvato 2000-5-30 23433 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
  UCR22151  Salix laevigata Steve Boyd 1980-5-3 183 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA171357  Salix lasiolepis J. D. Olmsted 1962-5-3 3531 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  RSA487457  Salix lasiolepis Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, ca. 6 miles SW of Riverside. NE corner of Hibiscus and Dauchy Streets. 479 Comment
  SD212722  Salix lasiolepis T. B. Salvato 2004-5-27 594 Riverside Head of Banning (San Gorgonio River) Canyon, close to San Bernardino County line, 0.5 mi Southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR270190  Salix lasiolepis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42413 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA0095118  Saltugilia australis O. F. Clarke, J. Derby 1974-4-19 s.n. Riverside Lakeview Mountains: ca. 2 mi. SSW of Mt. Rudolph, N of Juniper Flat, E of Juniper Flat Rd. and S of Stagecoach Rd., EIR for Tentative Tract 5702. 549 Comment
  RSA523476  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR103916  Saltugilia australis B. G. Pitzer 1997-4-11 3107 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR121689  Saltugilia australis D. E. Bramlet 1991-5-10 2146 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  UC23851  Saltugilia splendens subsp. splendens H. M. Hall June, 1901 2211 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicin Strawberry Valley 1600 Comment
  UCR207924  Salvia O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA585815  Salvia apiana D. L. Banks, Steve D. Boyd 1995-5-9 349 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
  SD137723  Salvia apiana Darin L. Banks, Steve Boyd 1995-6-2 577 Riverside Agua Tibia Wilderness Area; north face of north peak of Agua Tibia Mountains, on the Woodchuck Trial north of the Riverside County boundary. 744 Comment
  UCLA55216  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mtns. 1828 Comment
  UCR167304  Salvia apiana var. compacta Scott D. White, Jennifer H. Jones 2005-5-24 11094 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR178541  Salvia apiana var. compacta R. G. Swinney 1967-5-26 147 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA570255  Salvia clevelandii Steve Boyd, T. S. Ross 1993-3-23 7889 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  SDSU7475  Salvia columbariae A. H. Gallup 1949-3-28 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope, San Jacinto Mt. Range, Colorado Desert drainage area Comment
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Jan 30 2013
  SFV4252  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 b Riverside Palms to Pines Highway. Comment
  UC883893  Salvia columbariae I. W. Clokey 1935-4-18 6864 Riverside Gavilan Peak 600 Comment
  UCSB5783  Salvia columbariae Cline, C. 1960-5-15 Riverside 0.2 miles from Hwy. 74; on road to Anza 1219 Comment
  CAS-BOT-BC221084  Salvia eremostachya Peter H. Raven 1958-5-18 13001 Riverside 1.7 miles north-east of Pinon [Pinyon] Flats, San Jacinto Mountains Comment
  UCLA69693  Salvia eremostachya Elizabeth McClintock 1941-5-30 Riverside near Tule Creek; Coyote Canyon Comment
  JOTR30209  Salvia leucophylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  SD137720  Salvia mellifera Darin L. Banks, Steve Boyd 1995-3-30 129 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  RSA259187  Salvia pachyphylla P. A. Munz 1938-8-14 15363 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  CAS-BOT-BC233345  Salvia vaseyi A. Davidson 1983-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  JEPS12744  Sambucus mexicana Carl V. Meyer 1928-7-26 526 Riverside Roach Sawmill San Jacinto Mountains 2072 Comment
  RSA500110  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3662 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA660228  Sambucus mexicana Sandy Gray 1981-5-15 17 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  UCR139619  Sambucus mexicana A. C. Sanders 2004-6-30 28383 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR193902  Sambucus mexicana A. C. Sanders, Mitch Provance 2008-7-11 35781 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR207188  Sambucus mexicana Darren T. Hasegawa 2007-4-17 s.n. Riverside Peninsular Range, Box Springs Mountain Park, Riverside, c. 1.5 mi. east of 60 fwy. 427 Comment
  SEINET13945128 Image available Sanicula bipinnatifida A. C. Sanders, S. Hagopian 1981-1 2151 Riverside Hills on the south side of Pauba Valley, within 1 mile of the Hwy 71 bridge over the Temecula River. Elev 1200 ft 366 Comment
  RSA221031  Sanicula crassicaulis E. W. Lathrop 1966-3-30 6123 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  RSA249824  Sarcodes sanguinea R. F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38122 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  CLARK-A1045-216  Sarcostemma hirtellum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  UCR218473  Sarcostemma hirtellum Jim Andre, T. La Doux 2009-3-10 11250 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
  JOTR00958  Sarcostemma hirtellum Moran, Reid 1941-5-5 850 Riverside Joshua Tree National Park. WASH SOUTH OF OLD DALE Comment
  UCR21988  Schinus molle Steve Boyd 1980-7-20 340 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0118058  Schismus arabicus Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7615 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  CAS-BOT-BC243462  Schismus barbatus L. R. Abrams 1941-4-23 13925 Riverside White Water wash, Palm Springs railroad station Comment
  CAS-BOT-BC243463  Schismus barbatus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4046 Riverside Vail Lake area, lower lsopes of Aqua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  LA12457  Schismus barbatus H. S. Yates; 1937-3-23 6415 Riverside near Whitewater 304 Comment
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  UCR33639  Schoenoplectus pungens var. longispicatus Faulkner 1978-4-27 493 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  UCR20800  Scirpus microcarpus A. C. Sanders, S. D. Boyd 1980-5-19 1504 Riverside San Jacinto Mountains, North fork of the San Jacinto River where it crosses Hwy 74 & near its junction w/ the South Fork of the river Comment
  UCR136199  Scrophularia californica A. C. Sanders 2004-6-20 28234 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  UCR116054  Scrophularia californica subsp. floribunda Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 213 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Hathaway Canyon, c. 1.25 miles north of the junction of the lower and upper canyons 945 Comment
  UCR193732  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35648 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  JOTR34489  Scutellaria mexicana Andre, Jim 2012-4-16 20973 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  POM122461  Scutellaria siphocampyloides Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  SBBG6521  Scutellaria siphocampyloides H. and M. Dearing 1940-6-9 4361 Riverside Palms to Pines Hwy near Herkey Crk Comment
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Mar 10 2013
  CLARK-A1045-866  Scutellaria tuberosa George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  POM9814  Selaginella asprella Edmund C. Jaeger 1921-6-25 276 Riverside San Jacinto Mountains, below Tacquitz [Tahquitz] Ridge 2590 Comment
  SEINET3074313 Image available Selaginella bigelovii A. C. Sanders, M. Jacobsmeyer, C. Sanders 1995-2-5 15908 Riverside San Bernardino Mountains; Whitewater Canyon, between Bonnie Bell and the fish hatchery. 550 Comment
  UCR125715  Selaginella cinerascens Denise Woodard 2001-1 s.n. Riverside Nichols Reservoir, Skunk Hollow Hills 488 Comment
  CAS-BOT-BC62088  Selaginella eremophila L. R. Abrams 1926-3-26 11077 Riverside Palm Canyon Comment
  RSA660488  Senecio californicus A. C. Sanders 1998-3-11 21685 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR1622  Senecio californicus Leland R. Dykes 1962-4-1 14 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  UCR166764  Senecio californicus Scott D. White, Jennifer H. Jones 2005-5-25 11109 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  UCR34950  Senecio californicus L. B. Ziegler 1969-5-27 367 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  RSA262101  Senecio flaccidus var. douglasii E. W. Lathrop 1971-3-24 7465 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA792715  Senecio flaccidus var. douglasii A. C. Sanders, John F. Green 2012-6-1 40232 Riverside Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  RSA554285  Senecio vulgaris Scott D. White 1992-2-25 92 -4 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UCR26101  Senecio vulgaris John C. Roos 1952-3-26 5417 Riverside City of Riverside, Fairmount Park 259 Comment
  RSA0123107  Senna covesii Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9014 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SD233238  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessedvia Old Control Road. Spring surrounded by small patch of wetland. 1159 Comment
  CLARK-A1528-2876  Sesbania exaltata John C. Roos 1937-8-22 1211 Riverside Blythe Comment
  SEINET2063690 Image available Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside Near Oasis in the lower Coachella Valley on E side of Hwy 195, ca 1/2 mi N of intersection with Hwy 86, just N of Ave. 76 -51 Comment
  UC1930966  Sesuvium verrucosum R. E. Riefner Jr. 2008-8-25 05 -648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. Comment
  UCR110403  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23186 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  SEINET239052 Image available Setaria verticillata T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley; between Filmore and Buchanon on Avenue 56. 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
  RSA680539  Sidalcea malviflora Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9595 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  RSA679067  Sidalcea malviflora subsp. sparsifolia Scott D. White, Michael Honer 2003-6-3 9466 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR20803  Silene antirrhina A. C. Sanders 1980-5-14 01457 Riverside N side of Agua Tibia Mountains; Cleveland Nat. Forest., Dripping Springs 610 Comment
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