Search Results — 2000 specimen records retrieved (1896 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229309  Abronia villosa A. C. Sanders; D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  RSA461188  Abronia villosa var. aurita Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning. Comment
  RSA461193  Abronia villosa var. aurita Ora M. Clark 1929-2-24 1529 Riverside Cabazon, Colorado Desert. Comment
  RSA783154  Abronia villosa var. aurita J. D. Olmsted 1962-5-3 3513 Riverside South access road to Thomas Mt., 1.5 mi. W of Pines-to-Palms Hwy. 1418 Comment
  RSA776934  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-11 217 Riverside Willis Palms loop at boundary of Coachella Valley Preserve, near end of Willis Rd on sides of wash 124 Comment
  CHSC100690  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  RSA461186  Abronia villosa var. villosa Louis C. Wheeler 1931-11-26 380 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UC1128723  Acacia greggii H. S. Yates 1937-6-27 6727 Riverside Mouth of Deep Canyon 304 Comment
  CDA3976  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-3 23856 Riverside Perris-Aguanga Basin region; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  POM50127  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall 1901-06 2108 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  UC69342  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1896 Riverside Coyote Canyon Santa Rosa Mt. 1676 Comment
  UCR244307  Achyronychia cooperi Jim Andre 2012-4-15 20853 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  SEINET5327400  Acmispon heermannii var. heermannii J. Strachan, Barbara J. Ertter 1979-6-26 2988 Riverside Banning-Idyllwild road (Hwy 243) at Back Mtn turnoff (Forest Rd 4SO1), San Jacinto Mts Comment
  SFV22080  Acmispon strigosus T. Stoughton, C. Gabriel, S. Rockwood 2011-3-29 891 Riverside San Bernardino Mountains Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. 915 Comment
  RSA131709  Acourtia microcephala E. K. Balls 1958-6-27 23297 Riverside Indian Truck Trail, by locked gate, 6.9 mi. nw. from jct. with Main Divide, Santa Ana Mts. 457 Comment
  CAS-BOT-BC22560  Adenophyllum porophylloides P. A. Munz; L. F. Street 1919-5-7 2732 Riverside Palm Springs 198 Comment
  RSA0121419  Adenophyllum porophylloides Duncan S. Bell, LeRoy Gross 2016-3-31 9189 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA676103  Adenophyllum porophylloides Scott D. White 2001-4-17 8333 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR174035  Adenostoma fasciculatum A. C. Sanders 2006-5-19 32432 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
  UCR193971  Adenostoma fasciculatum A. C. Sanders 2008-7-25 35917 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  LA207891  Adenostoma sparsifolium Carl Epling; 1931-10-4 sn Riverside Hewitt to idyllwild Comment
Read comments
Feb 23 2014
  OBI74461  Adenostoma sparsifolium David J. Keil 1983-4-15 16910 Riverside Near Aguanga along SR79 Comment
  UC12018  Adenostoma sparsifolium H. M. Hall Aug. 1901 2638 Riverside vicinity of Chalk Hill; San Jacinto Mts. 1402 Comment
  UC859042  Adenostoma sparsifolium I. W. Clokey and E. G. Anderson 1935-8-21 6674 Riverside w. Keen Camp P.O. 1200 Comment
  RSA0034426  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road 1372 Comment
  UC811108  Adiantum capillus-veneris Ivan Johnston 1917-4-4 Riverside Little Palm Canyon Fork Palm Canyon; Colorado Desert 304 Comment
  SEINET10720797  Agave deserti Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  CAS-BOT-BC139354  Agrostis idahoensis Carl B. Wolf 1932-8-5 3945 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  LA10204  Agrostis idahoensis F. M. Reed; 1908-7-11 2500 Riverside San Jacinto Mountains, on trail below San Jacinto Peak 2925 Comment
  UCR90348  Agrostis pallens Scott D. White 1995-6-30 3414 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  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
  RSA469419  Aliciella latifolia Christopher Davidson 1979-4-4 7675 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  POM98787  Aliciella latifolia P. A. Munz 1926-1-31 9967 Riverside Dos Palmas Spring Comment
  LA206496  Aliciella leptomeria H. Lewis; 1949-3-26 sn Riverside Box Canyon Comment
  RSA4925  Allionia incarnata var. villosa Carl B. Wolf 1932-4-28 3073 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
Read comments
Mar 26 2011
  RSA715375  Allium A. C. Sanders 1999-4-28 22709 -B Riverside Riverside, UCR Botanic Garden. 351 Comment
  CAS-BOT-BC464446  Allium burlewii S. B. Parish; W. F. Parish 1880-6-1 587 Riverside San Jacinto Comment
  UCR239205  Allium campanulatum Steven R. Hill 2001-4-29 33524 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCR172135  Allium cepa A. C. Sanders 2006-5-11 32251 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  SEINET182578  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Cavilan Peak 600 Comment
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Aug 3 2013
  UCR5961  Allium haematochiton Leland E. Francois 1966-4-3 4366- 3 Riverside 5 mi west of the intersection of Bundy Canyon Road and Murrieta Road, on Bundy Canyon Road 610 Comment
  RSA613863  Allium peninsulare B. Pitzer 1997-4-12 3123 Riverside Pulsar View Road, (at end of Warren Road) Ca. 1 mile (air) N of Juniper Flats Road., 33 deg N 117 deg 5.53 W 518 Comment
  UCR24101  Allium peninsulare John C. Roos 1950-4-22 4753 Riverside Summit of Reche Canyon. 765 Comment
  RSA0048295  Allium peninsulare var. peninsulare A. L. Haines 1951-5-19 5142 Riverside Bautista Wash, San Jacinto Mts. 609 Comment
  RSA751183  Allium unifolium S. Morgan 1995-5-18 s.n. Riverside UCR Botanical Garden. Emma Swets Bilb Garden, Garden Grid Cell E-9. Comment
  UCR193520  Allophyllum gilioides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 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
  RSA747869  Allophyllum glutinosum Justin M. Wood 2009-5-11 700 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SD217239  Alnus rhombifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UC729541  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside 1/2 mi below Fish Hatchey (n base of mts.); San Jacinto Mts., Snow Creek Canyon 548 Comment
  RSA593984  Aloe saponaria Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 952 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  UCR278834  Alternanthera caracasana Mitch Provance 2012-7-17 712- 11 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  UCR110385  Amaranthus albus A. C. Sanders, Mitch Provance 1999-9-26 23108 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA302135  Amaranthus fimbriatus J. R. Shevock 1972-10-14 2320 Riverside Upper Coyote Canyon, Anza Borrego St. Park. Comment
  UC56557  Amaranthus powellii H. M. Hall Aug 1901 Riverside vicinity of Riverside Southern California 304 Comment
  RSA0093772  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CDA9954  Ambrosia acanthicarpa R. D. Goeden 1966-10-27 s.n. Riverside UCR Campus Comment
  RSA455874  Ambrosia confertiflora N. C. Cooper 1943-9-10 917 Riverside Banning. 610 Comment
  JOTR28960  Ambrosia dumosa La Doux, Tasha 2005-3-30 1196 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR30065  Ambrosia dumosa La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1695 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  SBBG81836  Ambrosia dumosa J. Hogan 1975-5-29 83 Riverside ca. 2.5 mi N of Berdoo and Rockhouse Cyn jct, Joshua Tree Nat Monument 1072 Comment
  SFV11884  Ambrosia dumosa R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR238483  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 162 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCR52229  Ambrosia dumosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA90532  Ambrosia dumosa S. Carlquist 1958-3-30 425 Riverside 2 miles west of palm Springs, on Palm-Springs-Cabazon road. Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  UCR34911  Ambrosia psilostachya L. B. Ziegler 1967-9-18 247 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  JOTR32614  Ambrosia salsola var. pentalepis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2675 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
  SBBG97706  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  RSA305625  Amelanchier pallida C. W. Tilforth, B. Busenberg 1979-5-18 1802 Riverside U.S.C. Isomata Campus, along Strawberry Creek, Idyllwild. Comment
  SD72239  Amelanchier utahensis Russell S. Woglum 1937-5-22 579 Riverside Near Santa Rosa Indian Reservation, Santa Rosa Mts., Palms to Pines State Hwy. 74 Comment
  UCR178340  Amorpha californica Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 654 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  SEINET7073310  Amsinckia eastwoodiae A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  HSC25878  Amsinckia intermedia Richard Spjut 1972-3-26 2327 Riverside At junction of Hwy. 395 and Hwy. 79, ca. 30 mi. N of Escondido Comment
  RSA613322  Amsinckia intermedia D. L. Banks 1997-3-1 1387 A 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
  UCD119699  Amsinckia intermedia A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA0089615  Amsinckia intermedia Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3080 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR241949  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  RSA689374  Amsinckia tessellata Scott D. White 2001-4-19 8379 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR281219  Ancistrocarphus filagineus Mitch Provance, Jeremiah George 2017-3-23 317- 42 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  POM11514  Anemopsis californica P. A. Munz 1922-6-30 5905 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UC729851  Anemopsis californica Carl B. Wolf 1929-5-31 3738 Riverside 1 mi nw of Santa Ana River (6 mi from Corona on Chino Road) Comment
  SEINET10721346  Antennaria David B. Dunn 1946-8-18 Dunn 2760 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to Round valley & to Peak; but 50 feet farther up trail. 2743 Comment
  POM9753  Antennaria rosea E. C. Jaeger 1921-6-20 275 Riverside Long Valley, San Jacinto Mts. Comment
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Oct 6 2009
  RSA645683  Anthemis cotula Scott D. White 1999-5-20 7375 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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Dec 21 2010
  SD186333  Antirrhinum coulterianum Andy C. Sanders, Mike Misenhelter 2005-6-15 30999 Riverside 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 340 Comment
  UCSB12687  Antirrhinum coulterianum Hochberg, Fred 1961-5-6 Riverside 50 ft. off Riverside 1; 7 miles from junction at Banning; base of San Jacinto Mtns 1158 Comment
  VVC474  Antirrhinum coulterianum A. C. Sanders, J. Mac 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  RSA336198  Antirrhinum filipes Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52014 Riverside Chino Canyon. Comment
  RSA561078  Antirrhinum kelloggii Steve D. Boyd, Orlando Mistretta 1992-4-22 7007 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
Read comments
Sep 11 2007
  SBBG128625  Antirrhinum kelloggii S. R. Hill, A. C. Sanders 2001-5-4 33716 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  UCR151363  Antirrhinum kelloggii D. L. Banks 1997-2-23 1335 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR100701  Antirrhinum nuttallianum Scott D. White 1997-5-25 5251 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR103919  Antirrhinum nuttallianum B. G. Pitzer 1997-4-11 3115 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
  UCR44233  Antirrhinum nuttallianum J. M. Stewart 1986-5-18 8620 Riverside San Jacinto Mtns, Chino Canyon, near Palm Springs Comment
  UC1424878  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth 1978-4-30 1564 Riverside East of Norco Comment
  UCR23397  Apiastrum angustifolium John C. Roos 1943-4-28 2629 Riverside hills SE of Riverside Comment
  RSA0034754  Aquilegia formosa var. hypolasia Robert L. Rutherford 1945-6-17 1673 Riverside Burned Canyon, Banning. 1219 Comment
  POM99028  Arabis glaucovalvula E. C. Jaeger 1926-3-24 s.n. Riverside White Tank, northern edge of Colorado Desert Comment
  CSUSB683  Arabis sparsiflora Charles Prentiss 1966-5-5 Riverside Mount San Jacinto Mount San Jacinto, on dry open ground 100 yards above Lake Fulmor, Yellow Pine Forest. Comment
  RSA0128857  Arabis sparsiflora Scott D. White, Justin M. Wood 2009-5-21 12835 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CAS-BOT-BC410046  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside Strawberry Valley, San Jacinto Mountains 1584 Comment
  UCR215074  Arctostaphylos glandulosa Justin M. Wood 2009-3-10 352 Riverside San Jacinto Mountains, Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  UCR6046  Arctostaphylos glandulosa Robert A. Clark 1966-3-19 031966- 08 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive 6 miles from entrance off Chase Ave., Corona 762 Comment
  RSA526501  Arctostaphylos glandulosa subsp. adamsii Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA629345  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16863 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629421  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19506 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629467  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16834 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA608235  Arctostaphylos glandulosa subsp. zacaensis Steve Boyd, Bart O'Brien 1998-1-13 10069 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 914 Comment
  UC1120226  Arctostaphylos glandulosa subsp. zacaensis R. St. John 1929-3-15 14 Riverside Poppet Valley San Jacinto Quadrangle Comment
  UC1120228  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-28 678 Riverside ridge n S.F. San Jacinto River; San Bernardino National Forest, San Jacinto Quadrangle Comment
  RSA631807  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15073 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA632652  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16536 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  RSA632654  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16540 Riverside Red Mtn. Rd., 6-6.8 km east of R3. Comment
  UCR94067  Arctostaphylos glauca Scott D. White, D. Haselfeld 1996-7-2 4251 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  HSC101788  Arctostaphylos parryana J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13205 Riverside Along State Route 74 1558 Comment
  RSA633549  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21782 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633614  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21754 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633659  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16667 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  CAS-BOT-BC44328  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Rocky ridges near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  POM19646  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1923-6-18 2218 Riverside Idyllwild, San Jacinto Mt. 2134 Comment
  POM12029  Arctostaphylos pungens Mary F. Spencer 1919-6-19 1324 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA636175  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19478 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD185195  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 Riverside Santa Rosa Plateau, southwest of Mesa de Colorado, Carancho Road at Tortuga Rd. 366 Comment
  CLARK-A1528-5812  Argemone corymbosa John C. Roos 1949-4-11 4245 Riverside Hayfield Comment
Read comments
Jan 28 2019
  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
  UCR16460  Argemone munita Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, about 25 km from Chuckwalla Bench 450 Comment
  JOTR31976  Aristida adscensionis La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2212 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA615342  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2701 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  UCR256798  Aristida adscensionis T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7874 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SEINET5336066  Aristida adscensionis H. M. Hall 1905-4-16 5797 Riverside Marshall Canon, 10 mi. W of Coachella, lower Sonoran Zone 30 Comment
  SEINET244838 Image available Aristida purpurea J. C. Roos 1949-4-8 4198 Riverside Imperial Co., Calif. Comment
  CAS-BOT-BC137529  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside North base of San Jacinto Mountains. Snow Creek Canyon. 0.5 mile below Fish Hatchery. 548 Comment
  POM264354  Aristida purpurea var. nealleyi J. C. Roos 1938-8-7 582 Riverside East of Hemet, in mountains along San Jacinto River. Comment
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Apr 3 2011
  RSA6104  Aristida purpurea var. nealleyi C. B. Wolf 1932-5-24 3640 Riverside Snow Creek, 0.5 mile below the Fish Hatchery, north base of San Jacinto Mountians. 549 Comment
  SD121286  Aristida purpurea var. parishii J. C. Roos 1966-4-29 Riverside Rocky hills between March AFB and Lakeview, crevices in the rock slopes. Comment
  UCR19682  Aristida purpurea var. parishii John C. Roos 1940-2-17 891 Riverside Peninsular Range, Reche Canyon 'Plateau 457 Comment
  POM47177  Aristida purpurea var. purpurea Mary F. Spencer 1920-3-27 1538 Riverside Palm Springs. 122 Comment
  UCD56524  Aristida purpurea var. wrightii A. A. Beetle 1942-4-22 3184 Riverside Rt. 60 near Desert Center. Comment
  HSC8967  Aristida ternipes var. hamulosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23113 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  POM318603  Artemisia biennis Patricia Wilder 1970-10-15 4809 Riverside Prado Dam in Prado Flood Control Basin on edge of river bordering old roadbed east of dam. 122 Comment
  SEINET7856270 Image available Artemisia californica M. F. Barrus 1919-11-24 18 Riverside W slope of Box Springs Mts. Comment
  JOTR36399  Artemisia dracunculus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3349 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  JOTR32653  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  JOTR30293  Artemisia ludoviciana subsp. incompta Andre, Jim, Tasha La Doux 2007-9-6 8704 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA741735  Artemisia ludoviciana subsp. ludoviciana Michael Wall 2008-10-3 490 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  JOTR30288  Asclepias erosa La Doux, Tasha, Bill Truesdell 2006-10-3 1783 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 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
  CHSC125  Asclepias subulata V. Holt 1957-3-31 Riverside Colorado River n. of Blythe 91 Comment
  RSA69917  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Near mouth of Thousand Palms Canyon, Coachella Valley 91 Comment
  SEINET12518425 Image available Asclepias subulata Mark Fishbein, Frankie Coburn, Danny Fuller 2016-1 7547 Riverside Along US Hwy 95 at jct Lonesome Dove Rd, 18 km north-northeast of jct I-10 at Blythe, west base of Big Maria Mountains, Colorado River valley. 93 Comment
  SEINET10637411  Asclepias subulata Mckelvey 1935-12-24 MCKELVEY 5045 Riverside Foothills of the mountains about La Quinta Comment
  RSA233316  Asphodelus fistulosus L. B. Ziegler 1968-04 s.n. Riverside Soboba Indian Reservation, near San Jacinto, 579 Comment
  UC218669  Aspidotis californica Munz and Harwood 1920-2-28 3236 Riverside 2 mi se Corona 274 Comment
  UCR93056  Aster subulatus Steve Boyd, D. Banks 1994-9-29 8363 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CAS-BOT-BC177515  Astragalus bernardinus Peter H. Raven 1958-5-5 12896 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  POM145548  Astragalus bernardinus J. B. Feudge 1926-5-9 1865 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
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Apr 6 2011
  UC862521  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5927 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
  SBBG3168  Astragalus crotalariae H. and M. Dearing 1949-12-3 4065 Riverside NE end of Salton Sea Comment
  RSA715250  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore back basin on NE side of lake. 384 Comment
  CAS-BOT-BC178449  Astragalus douglasii var. parishii Ira L. Wiggins 1966-6-4 20670 Riverside 2 mi. SW of Idyllwild 1621 Comment
  PASA2723  Astragalus douglasii var. parishii Frank W. Peirson 1922-5-20 3342 Riverside Hemet Valley, San Jacinto Mtns. 1371 Comment
  POM1998  Astragalus douglasii var. parishii H. M. Hall 1901-06 2229 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA801812  Astragalus douglasii var. parishii LeRoy Gross, Caitlin Elam 2013-5-21 6106 Riverside West edge of Pine Cove. Between Pine Cove and Red Hill Road(5S10). 1784 Comment
  UC1930031  Astragalus douglasii var. parishii Scott D. White, Justin Wood 2008-6-5 12079 Riverside San JAcinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  UC862682  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside e Keen Camp P.O.; e of Keen Camp P.O. 1350 Comment
  CAS-BOT-BC187119  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert 240 Comment
  RSA298236  Astragalus lentiginosus var. coachellae T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  SBBG82058  Astragalus lentiginosus var. coachellae J. M. Stewart 1985-3-17 8513 Riverside Thousand Palms area, Bob Hope Drive, 0.5 mi S of Ramon Rd 85 Comment
  UC128577  Astragalus lentiginosus var. coachellae Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  UC862841  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  LA205563  Astragalus nuttallianus var. cedrosensis Philip A. Munz; D. Keck 1922-4-12 4846 Riverside Chuckwalla Mountains, vicinity of Corn Springs 670 Comment
  CAS-BOT-BC192760  Astragalus palmeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC194134  Astragalus pomonensis L. R. Abrams 1935-4-7 13661 Riverside 1 mi. west of Val Verde, Gavilan Hills Comment
  CAS-BOT-BC27823  Astragalus pomonensis Marcus Eugene Jones 1882-4-24 3166 Riverside San Jacinto Comment
  POM295496  Astragalus pomonensis Lyman Benson 1946-4-15 12013 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  RSA559429  Astragalus pomonensis Steve Boyd 1992-4-15 6871 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR117404  Astragalus pomonensis A. C. Sanders, Carolyn Washburn 2001-5-10 24230 Riverside Perris-Aguanga Basin region, foot of North Domenigoni Hills at south end of Warren Rd., 3 mi. SE of Winchester 457 Comment
  UCR4138  Astragalus pomonensis Ronald M. Cope 1965-3-12 s.n. Riverside Riverside, c. 100 yards below where Gage Canal goes underground after having crossed Le Conte Drive 259 Comment
  RSA45535  Astragalus sabulonum J. C. Roos, L. Roos 1949-3-26 4119 Riverside Sandy flats 2 or 3 miles E of Mecca. Comment
  RSA482796  Athysanus pusillus Ora M. Clark 1929-4-6 1945 Riverside South of Hemet Comment
  RSA482798  Athysanus pusillus Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR20810  Athysanus pusillus A. C. Sanders 1980-4-17 1343 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  RSA736291  Atriplex argentea subsp. expansa Scott D. White, Justin Wood 2008-5-27 12030 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UCR93048  Atriplex argentea var. mohavensis Steve Boyd, D. L. Banks 1994-9-29 8365 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  JOTR36387  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3340 Riverside Joshua Tree National Park. Pleasant Valley: S of Hexie Mountains, on edge of road in playa 999 Comment
  CLARK-A1528-395  Atriplex canescens subsp. linearis Frank C. Vasek 1969-10-14 Riverside Riverside Comment
  UC206814  Atriplex coronata G. R. Vasey 1880-1 549 Riverside San Jacinto Valley Comment
  IRVC28860  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4315 Riverside Perris; E of I-215; S of San Jacinto River; NW corner of jct Ellis Avenue and first road E of I-215. Southern Coastal 427 Comment
  RSA532563  Atriplex coronata var. notatior D. E. Bramlet 1991-5-8 2129 Riverside 7.6 km west of Hemet and some 830m west of the intersection of warren Rd. and the RR tracks. the ste is some 350m north of the santa Fe raileroad tracks and 500m east of the MWD canal. 500 Comment
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Mar 4 2013
  UCR70525  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2184 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 100 m north of end of 13th St.; about 8 m east of the river in a swale adjacent to the levee 473 Comment
  UCR77746  Atriplex coronata var. notatior Steve Boyd 1991-5-13 6238 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  PASA2687  Atriplex hymenelytra Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  POM122734  Atriplex hymenelytra Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  SEINET8753398 Image available Atriplex hymenelytra F. R. Fosberg 1932-1 8087 Riverside Thousand Paleus Canyon, Coachella valley Comment
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Jun 4 2016
  UCSB22915  Atriplex lentiformis Wheeler, Louis 1931-11-27 Riverside 3 mi. SE Salton bench mark -76 Comment
  CAS-BOT-BC176542  Atriplex polycarpa John Thomas Howell 1928-11-4 4086 Riverside Below Palm [Canon] Canyon on road from Indio to Palm Springs Comment
  LA91313  Atriplex polycarpa Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  POM279031  Atriplex polycarpa Grant D. Brown 1949-12-14 470 Riverside 2 miles SE of Seven Palms (E. of White Water) Comment
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Apr 20 2013
  RSA502490  Atriplex serenana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  UCR110379  Atriplex suberecta A. C. Sanders, Mitch Provance 1999-9-26 23115 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR129807  Atriplex suberecta Scott D. White 2001-4-13 8322 Riverside Beaumont Badlands, County Landfill area north of Moreno Valley, c. 0.25 air mi. NW of the SR-60 freeway junction with Gilman Springs Rd., unnamed wash 701 Comment
  UCR75526  Atriplex suberecta A. C. Sanders 1993-5-17 14062 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  UCR226605  Avena fatua Jim Andre 2011-2-18 15820 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  RSA557315  Azolla filiculoides Julie Greene, S. D. Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1418 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  JOTR33815  Baccharis brachyphylla La Doux, Tasha, B. Truesdell 2007-11-9 3330 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along park south boundary (STOP 6) 655 Comment
  RSA44349  Baccharis emoryi W. I. Follett 1948-10-31 s.n. Riverside 7.3 miles W & 7.4 miles S of Blythe Comment
  RSA5444  Baccharis salicifolia C. B. Wolf 1932-5-25 3672 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  RSA93199  Baccharis salicifolia F. W. Peirson 1918-03 2231 Riverside Whitewater at head of Coachella Valley. Comment
  UC893660  Baccharis salicifolia subsp. salicifolia Carl B. Wolf 1932-10-11 4274 Riverside 3/10 mi below, Morongo Wash, Little San Bernardino Mts. Colorado Desert San Bernardino County line; Colorado Desert, Little San Bernardino Mts., Morongo Wash 670 Comment
  UCR282051  Baccharis salicina Mitch Provance 2012-11-9 1112- 15 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  CAS-BOT-BC99819  Baccharis sarothroides Edmund C. Jaeger 1938-11-2 s.n. Riverside gully near Gulliday Well, south-west base of Chuckawalla Mts. 274 Comment
  UCR17640  Baccharis sarothroides Paul Mack, Hap Ritter 1976-10-21 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, southwest side of the Chuckwalla Mountains 612 Comment
  OBI15350  Bahiopsis parishii H. E. McMinn 1935-6-27 4063 Riverside Palms to Pines Comment
  UCR116835  Baileya pauciradiata Helen Kennedy, Fred R. Ganders 1980-4-15 4065 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 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
  HSC101253  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  RSA117707  Bebbia juncea S. Carlquist 1958-3-30 426 Riverside Below summit of Morongo Pass, on Hwy from Palm Springs to Morongo Valley Comment
  RSA676034  Bebbia juncea Scott D. White 2001-4-12 8295 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA776769  Bebbia juncea Amber Swanson 2011-4-8 379 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR177844  Bebbia juncea Marisa Sripracha, K. A. Boyd 2004-3-22 068 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UC68961  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5817 Riverside 10 mo w of Coachella (Colorado Desert); Colorado Desert 152 Comment
  UCR256796  Bebbia juncea var. aspera T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7870 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA0040033  Beloperone californica W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  CAS-BOT-BC207046  Bernardia incana Lester Rowntree 1937-11-5 s.n. Riverside Dos Palmas, Santa Rosa Mts. Comment
  JOTR32894  Bernardia incana La Doux, Tasha, E. Babich 2008-3-5 3017 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 3mi NE of Cottonwood Visitor Center; open rocky bajada/pediment 1085 Comment
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Jan 19 2014
  UCD170877  Bernardia incana A. C. Sanders; G. Helmkamp, P. MacKay, et al 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. 795 Comment
  CSUSB939  Bloomeria crocea John Milbauer 1976-5-12 Riverside Pigeon Pass Road. Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SD186257  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCR167837  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  JOTR30838  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  UCR250929  Boerhavia triquetra var. intermedia Kristin Forgrave, Joshua Paolini 2013-8-7 28 Riverside Colorado (Sonoran) Desert, Ford Dry Lake, just north of I-10 109 Comment
  UCR43414  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-22 53572 Riverside Joshua Tree National Monument, just south of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley west of Pinto Mtns. 1098 Comment
  CLARK-A1528-5364  Boisduvalia glabella John C. Roos 1952-5-14 5662 Riverside Edgemont 487 Comment
  RSA0125183  Bouteloua aristidoides Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8756 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA537263  Bouteloua aristidoides D. Atwood 1991-9-9 17077 Riverside 4.8 miles west of Chirachoa Summit along I-10. Comment
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Jun 24 2012
  RSA780275  Bouteloua aristidoides var. aristidoides Stephanie Rockwood, Christi Gabriel 2011-10-12 101 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  POM193468  Bouteloua barbata J. B. Feudge 1929-9-15 2027 Riverside Cottonwood Springs, Colorado Desert. Comment
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Oct 9 2010
  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
  UC577428  Bouteloua barbata var. barbata J. and H. W. Grinnell 1937-11-30 1080 a Riverside lake bed 24 mi w Blythe; Ford Dry Lake Comment
  RSA0120325  Bouteloua curtipendula Duncan S. Bell, Thomas Stoughton 2016-4-14 9293 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  SBBG128734  Bowlesia incana A. C. Sanders, T. W. Chumley 2013-3-29 40714 Riverside Elsinore Area; Alberhil, Lake St near bridge over Temescal Wash between Temescal Cyn Rd and I-15 Fwy 380 Comment
  SD7572  Bowlesia incana unknown 1882-4-23 Riverside Temecula Rancheria (mak 2/07) Comment
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Mar 25 2015
  RSA20225  Brandegea bigelovii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi. from Cottonwood Springs, N end of Pinto Basin Comment
  UCR3211  Brassica geniculata V. L. McFarland 1964-3-30 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, vacant lot south of Blaine St., east of Utah Ave. Comment
  RSA34565  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA604866  Brassica tournefortii Scott D. White 1995-3-30 2647 Riverside San Jacinto Valley: Moreno Valley, hills ca. 0.7 air mile directly S of 60 freeway and west of bend in Moreno Beach Dr. 579 Comment
  RSA784729  Brassica tournefortii Duncan S. Bell 2012-3-18 3196 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SD187378  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR16147  Brassica tournefortii Grace Sprague 1968-4-29 s.n. Riverside Western Colorado Desert, on Hwy 111, 5 mi north of Palm Springs where the San Jacinto Mtns are closest to the highway Comment
  UCR245917  Brassica tournefortii Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3955 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  CAS-BOT-BC106343  Brickellia atractyloides var. arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  CLARK-A1528-5453  Brickellia desertorum John C. Roos 1950-9-9 4986 Riverside Riverside 396 Comment
  UC527701  Brickellia desertorum C. B. Wolf 1931-10-14 Riverside 1/2 mi below the Fish Hatchery (n base of San Jacinto Mts., Snow Creek); Snow Creek 548 Comment
  SD132940  Brodiaea filifolia Tim Cass, Fred Sproul 1979-6-1 200 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  UC219285  Brodiaea filifolia P. A. Munz and I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris 441 Comment
  CAS-BOT-BC149306  Bromus carinatus var. carinatus H. M. Hall 1901-6-1 2226 Riverside San Jacinto Mountains. Along water courses in the vicinity of Strawberry Valley. 1615 Comment
  RSA1446770  Bromus marginatus William McKinley Klein 1960-8-22 1586 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  SDSU12913  Bromus rubens Jutta Buschbom 1991-5-1 5 Riverside SE slope, N border of the Reserve, beyond and Avacado grove ca. 500 m (15 min) from the fieldstation Santa Margarita Ecological Reserve, Temecula Comment
  UCR140287  Bromus rubens A. C. Sanders 2004-4-9 27458 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR2247  Bromus rubens F. M. Reed 1907-5-26 1377 Riverside Riverside, Evan's Spring Brook pasture 250 Comment
  RSA0020665  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3637 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  UC15305  Caesalpinia virgata S. B. Parish Apr 4 1896-Apr 13 1896 4114 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  UCR102914  Caesalpinia virgata George K. Helmkamp, E. A. Helmkamp 1998-2-5 2656 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR41274  Caesalpinia virgata B. G. Pitzer 1986-2-9 0006 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  RSA714378  Calandrinia ciliata John Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns.: Santa Rosa Plateau, hills on the south side of Teaja Rd., between Squaw Mtn. and De Luz Creek. 655 Comment
  SEINET7048049  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. Near Roberts Road in pasture. Elevation about 2314 feet. Comment
  RSA286797  Callitriche heterophylla subsp. bolanderi R. F. Thorne 1974-5-23 44660 Riverside Santa Rosa Plateau, Rancho California; near junction of Tenaja Road and road to ranch headquarters. 610 Comment
  SBBG54106  Callitriche heterophylla var. bolanderi E. W. Lathrop 1966-4-13 6164 Riverside 3 mi NW of Murrieta Comment
  CAS-BOT-BC85768  Calocedrus decurrens Carl Epling 1931-10-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  UCR112404  Calochortus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23459 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
  CSUSB2255  Calochortus catalinae Annette Price 1962-4-22 034 Riverside Lake Matthews Lake Matthews area (map drawn on herbarium sheet label). Comment
  UC3383  Calochortus concolor H. M. Hall 1897-7-30 962 Riverside El Toro Mt. San Jacinto Mts. 2529 Comment
  UCSB626  Calochortus invenustus Wilson, Richard 1958-5-18 Riverside At Pinon Flats on State Highway Comment
  CAS-BOT-BC483415  Calochortus invenustus Mary F. Spencer 1919-6-20 1353 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  JEPS43783  Calochortus palmeri var. munzii Lauramay T. Dempster and G. L. Stebbins 1966-6-16 4238 Riverside below Alvin Meadows 1463 Comment
  RSA487424  Calochortus splendens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA619567  Calochortus splendens Darin L. Banks 1997-5-5 2005 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  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
  CHSC2245  Calochortus weedii E. Thomas 1940-5-26 Riverside Temecula. Comment
  RSA192246  Calochortus weedii H. A. Zuill 1966-6-5 191 Riverside 1 mile SW of Murrieta on the Tenaja Grade. Comment
  JOTR35456  Calycoseris parryi Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 60 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UCD129988  Calycoseris parryi William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR80520  Calycoseris parryi D. E. Bramlet 1991-5-9 2134 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  POM351420  Calycoseris wrightii M. B. Dunkle 1937-3-25 4915 Riverside Colorado Desert. Shaver's Well 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
  CLARK-A1528-3816  Calyptridium monandrum John C. Roos 1937-3-3 1302 Riverside La Sierra Comment
  SBBG28082  Calyptridium monandrum D. Myrick 1964-4-30 818 Riverside Hwy 74, 5 mi W of Palm Desert 213 Comment
  SEINET3088878 Image available Calyptridium monandrum Scott White 1991-5-10 91 -126 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UC218071  Calyptridium monandrum Munz and Johnston 1922-5-19 5365 Riverside 5 mi ne of Murietta 457 Comment
  SDSU17442  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 374 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 10 meters west of sign marking high point, in sandy opening among boulders. 3292 Comment
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR172759  Calystegia macrostegia Abby Sirulnik, Ian G. Gillespie 2000-5-14 48 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR180058  Calystegia macrostegia Mitch Provance 2005-5-18 9817 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  CAS-BOT-BC221306  Calystegia macrostegia subsp. intermedia L. R. Abrams 1941-4-22 13883 Riverside 3 miles northeast of Elsinore on road to Perris Comment
  SD146299  Calystegia macrostegia subsp. intermedia Mitch Provance 2000-6-24 2042 Riverside Riverside; Santa Ana River Wash, between the Market Street bridge and the 60 Freeway. 244 Comment
  RSA559346  Camissonia bistorta Steve Boyd, T. S. Ross 1992-5-15 7396 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  SEINET7073435  Camissonia bistorta A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR47219  Camissonia bistorta B. G. Pitzer 1987-3-2 0420 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA90987  Camissonia bistorta E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  RSA264582  Camissonia boothii subsp. condensata C. W. Tilforth, J. Dourley, Walter Wisura 1977-5-19 1327 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 267 Comment
  RSA799380  Camissonia boothii subsp. condensata Duncan S. Bell 2013-4-7 4756 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  RSA776932  Camissonia boothii subsp. condensata Amber Swanson, Duncan S. Bell 2011-3-11 215 Riverside On Willis Trail, Willis Palm Oasis near spring off Thousand Palms Rd in the Coachella Valley Preserve. 104 Comment
  RSA775814  Camissonia brevipes subsp. brevipes Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 838 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  UCR233158A  Camissonia brevipes subsp. brevipes Jim Andre, Glenn L. Clifton 2011-2-22 17453 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  UCR964  Camissonia campestris S. C. Anderson 1957-5-18 s.n. Riverside San Jacinto River, 1 mi north of junction of State Hwy 74 [presumably in vicinity of Valle Vista] Comment
  RSA701045  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11290 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET4565918  Camissonia claviformis Duncan S. Bell 2010-5-1 889 Riverside Sonoran (Colorado) Desert; Arica Mountains, c. 10.5 air miles SW of Rice, c. 2.6 air miles S of the junction of Hwy 62 and the aqueduct access road 291 Comment
  RSA0021246  Camissonia claviformis Michael Honer 2005-3-18 2092 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  SEINET10492068  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7471 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s, r10e, sec35. Common to abundant in wash. Petals cream with reddish base. 244 Comment
  RSA4891  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3007 Riverside Palm Springs. 152 Comment
  RSA0127779  Camissonia claviformis subsp. aurantiaca G. Rink 2013-3-17 11867 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  RSA144646  Camissonia hirtella William M. Klein 1958-8-7 649 Riverside Ca. 9 mi. southwest of Banning on the Old Banning-Idyllwild road, west side of Mt. Edna. Comment
  UCR182438  Camissonia hirtella Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  CLARK-A1528-2659  Camissonia ignota John C. Roos 1937-3-24 2186 Riverside Pigeon Pass Comment
  RSA597080  Camissonia intermedia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1118 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  RSA449034  Camissonia lewisii Christopher Davidson 1973-4-1 1819 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  SEINET12189026  Camissonia pallida J. F. Bright, Wyman, C. 1933-1 8044 Riverside Comment
  RSA449047  Camissonia refracta E. C. Jaeger 1922-3-26 s.n. Riverside Box Canon near Mecca, Cal. Colorado Desert. Comment
  UCR90326  Camissonia refracta Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  SEINET10492424  Camissonia refracta David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3707 Riverside Found growing in a wash. Indio hills, colorado desert. Near fushawalla. Comment
  CLARK-A1528-3361  Camissonia strigulosa John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  RSA528107  Camissonia strigulosa Scott D. White 1991-4-10 91 -65 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  UCSB12876  Camissoniopsis bistorta Breedlove, Dennis 1962-3-11 Riverside Flood plain of San Jacinto River, 6.5 miles southeast of State 79, on State 74; in Hemet 579 Comment
  JOTR32376  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2487 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  UC1536962  Capsella bursa-pastoris Gordon H. True Jr. 1935-2-22 569 Riverside Gavilan Hill; Gavilan Hills 548 Comment
  UCR216391  Capsella bursa-pastoris Mike Bell 2008-3-30 018 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR93026  Capsella bursa-pastoris G. P. Schultz 1994-4-7 84 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  CAS-BOT-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  CAS-BOT-BC20708  Carex fracta Peter Kamb 1948-7-3 1138 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  RSA697513  Carex fracta J. Russell Bruff 1934-7-7 s.n. Riverside Idyllwild Comment
  IRVC15568  Carex illota R. H. Whittaker, W. A. Niering 1963-6-2 SJ 179 Riverside Devil Slide Trail. Peninsular Ranges, San Jacinto Mountains 2439 Comment
  CAS-BOT-BC31692  Carex mariposana H. M. Hall 1901-7-1 2416 Riverside San Jacinto Mountains, among rocks near the Summit 3291 Comment
  CAS-BOT-BC118511  Carex praegracilis Earl W. Lathrop 1964-5-24 5385 Riverside 14 mi W of Murrieta 548 Comment
  UC146061  Carex senta Charlotte M. Wilder 1909-7-11 1138 Riverside Round Valley San Jacinto Mountains 2743 Comment
  CAS-BOT-BC115978  Carex subfusca H. E. Hasse 1903-6-30 s.n. Riverside Round Valley, San Jacinto Mts. 2895 Comment
  UCR163713  Castela emoryi B. G. Pitzer, T. Tennant 1998-2-21 3537 A Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  SBBG120069  Castilleja exserta A. C. Sanders with K. Volansky 2005-3-17 29212 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA0010925  Castilleja exserta subsp. exserta Duncan S. Bell, Joy D. England 2010-5-27 1127 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  RSA192318  Castilleja foliolosa E. W. Lathrop 1966-3-2 6050 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  RSA522726  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3831 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
  SD80137  Castilleja foliolosa Nancy Ryan Zabriske, Walter Zabriskie 1971-4-9 383 Riverside West of water service road 2 mi. so. Of Hwy. 74, Deep Canyon watershed, north slope Santa Rosa Mountains Comment
  UC1951109  Castilleja foliolosa Scott D. White, Justin Wood 2009-5-22 12918 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR121310  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25008 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 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
  UCSB5981  Castilleja foliolosa Yokoyama, Howard 1953-4-10 Riverside Whitewater Canyon Comment
  UCSB6029  Castilleja foliolosa Gill, Robert 1959-3-14 Riverside road to Black Star Cyn (Oak Flat); from Corona side; Santa Ana Mt. Range 365 Comment
  JEPS8830  Castilleja minor subsp. spiralis W. L. Jepson May 17 1901-Jun 1 1901 1369 Riverside Palm Canyon and return to Van Deventer's Flat; San Jacinto Mts. Comment
  UC64211  Castilleja minor subsp. spiralis H. M. Hall 1901-7-24 2542 Riverside n side San Jacinto Mountains Comment
  UCD170854  Casuarina cunninghamiana A. C. Sanders; T. B. Salvato 2000-4-21 23349 Riverside Coachella Valley: 3-4 miles north of I-10 on Dillon Road. 61 Comment
  UCR280915  Catalpa bignonioides Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 19 Riverside Temescal Valley, Property on N side of Concordia Ranch Rd. and Temescal Canyon Road, proposed site for SCE substation 366 Comment
  UCR116067  Caucalis microcarpa O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  JOTR34208  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3000 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UC10963  Caulanthus hallii H. M. Hall May 1899 1165 Riverside El Toro Mt. San Jacinto Mountains, Coyote Canyon; El Toro Mt., Coyote Canon, San Jacinto Mts. 1584 Comment
  CAS-BOT-BC41103  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4093 Riverside Vail Lake Area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain. 701 Comment
  HSC92880  Caulanthus heterophyllus Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA552692  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6700 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA731014  Caulanthus heterophyllus M. Wall 2008-4-18 459 Riverside San Jacinto Valley, Bautista Canyon SE of Hemet, ca. 5.5 miles SE of Fairview Ave. 746 Comment
  SDSU14029  Caulanthus heterophyllus Tarja Sagar 2000-5-20 30 Riverside SMER. 50 m WSW from north Field Station. 332 Comment
  UCR67354  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4093 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  RSA5253  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside Strawberry Valley, at base of Devil's slide Trail to Tahquitz Valley. 1707 Comment
  POM10283  Ceanothus crassifolius E. A. Zumbro 1892-03 401 Riverside Cold Water Canyon, Temescal Mts. Comment
  POM184169  Ceanothus crassifolius P. A. Munz 1932-3-24 12028 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  RSA3118  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  UC870525  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6734 Riverside e of Hemet 820 Comment
  RSA5478  Ceanothus greggii var. perplexans Carl B. Wolf 1932-5-24 3655 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  UC1563045  Ceanothus leucodermis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3082 Riverside s of Hwy 79 (Kolb Creek drainage, w of Woodchuck Rd.); Vail Lake area 487 Comment
  UCR174977  Ceanothus leucodermis Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 351 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  CAS-BOT-BC51648  Ceanothus ophiochilus Steve Boyd; Tim Ross; Laurel Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi W of lake 700 Comment
  CAS-BOT-BC51650  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  UC774793  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside between Keen Camp P.O. and Hemet Valley (Keen Camp Summit); San Jacinto Mts. 1493 Comment
  CAS-BOT-BC51917  Ceanothus perplexans S. B. Parish 1908-6-1 6966 Riverside Eden Hot Springs Comment
  LA44949  Ceanothus tomentosus W. Pequegnat; 1939-8-11 35 Riverside Santa Ana Mountains, Sky line drive Comment
  UC1071422  Ceanothus tomentosus R. St. John 1931-3-4 193 Riverside Tin Mine Canyon 609 Comment
  SEINET13946104 Image available Ceanothus tomentosus Lewis S. Rose 1949-1 49073 Riverside 2 mi. south of Temecula 366 Comment
  UCR97292  Ceanothus tomentosus subsp. olivaceus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3931 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  RSA6118  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
Read comments
Mar 13 2011
  CAS-BOT-BC184975  Cenchrus echinatus Lewis S. Rose 1957-1-3 57006 Riverside La Quinta. 15 Comment
  RSA773475  Centaurea melitensis Duncan S. Bell, Ryan Parker 2010-6-15 1311 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1063 Comment
  UC63138  Centaurea melitensis H. M. Hall 1900-6-1 Riverside Riverside Comment
  RSA391501  Centaurium venustum M. M. Thompson 1947-6-9 c 2066 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR135857  Centaurium venustum A. C. Sanders 2004-4-20 27529 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
  UCR281577  Centaurium venustum Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 119 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  SD262184  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 18 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR246466  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2010-6-5 10- 49 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  UCR249909  Centromadia pungens subsp. pungens R. E. Riefner Jr. 2012-7-23 12- 321 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  UCR91863  Cerastium glomeratum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18116 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  POM308638  Cercidium floridum Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3211 Riverside Near Desert Center. Comment
  JOTR31978  Cercidium floridum subsp. floridum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2214 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA210970  Cercocarpus betuloides C. W. Tilforth 1969-7-25 220 Riverside North end of Coyote Canyon, SE of Anza. Comment
  SD73403  Cercocarpus betuloides Nancy Ryan Zabriskie, Walter Zabriskie 1969-7-5 216 Riverside Near fire road beyond south end of Marion Ridge Rd., Pine Cove, Idyllwild. 1829 Comment
  CAS-BOT-BC135497  Cercocarpus betuloides var. betuloides Banning School 1927-4-1 s.n. Riverside Banning, from flower show. Comment
  SDSU12978  Cercocarpus minutiflorus Michael G. Simpson 1999-10-27 2035 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR213535  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37805 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  CAS-BOT-BC276395  Chaenactis carphoclinia Thos. W Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well Comment
  CHSC108877  Chaenactis carphoclinia Justin M. Wood; J. Miner 2010-4-30 1551 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 64 Comment
  RSA776947  Chaenactis carphoclinia Amber Swanson 2011-3-19 240 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SEINET3146199  Chaenactis carphoclinia G. B. Grant 1906-1 165 a-6785 Riverside on CO desert Palm Springs; S CA Comment
  UCR166870  Chaenactis carphoclinia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  POM351671  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1903-5-3 2250 Riverside Thermal. Comment
  UC1424854  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, J. Dourley, W. Wisura 1977-5-19 1326 Riverside ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice 266 Comment
  UC69024  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1905-4-1 5847 Riverside Canon Springs Colorado Desert, Canon Springs Comment
  CAS-BOT-BC276918  Chaenactis fremontii F. H. Billings 1926-2-6 21 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC276929  Chaenactis fremontii H. M. Hall 1902-4-1 2807 Riverside Colorado Desert. Coyote Canyon 152 Comment
  POM351693  Chaenactis fremontii Christopher Davidson 1973-4-1 1843 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  POM351699  Chaenactis fremontii Ora M. Clark 1929-3-16 1710 Riverside N. of Whitewater, Colorado. Comment
  RSA34531  Chaenactis fremontii N. C. Cooper 1944-4-8 1046 Riverside Andreas Canyon 457 Comment
  RSA645611  Chaenactis fremontii Scott D. White, Steve Ogg 1994-4-21 1990 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR88110  Chaenactis fremontii A. C. Sanders, G. Nuhn 1995-4-20 16585 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  SFV3811  Chaenactis glabriuscula P. G. Kilburn 1958-5-17 810 Riverside 3 miles south of Banning. 305 Comment
  UCR260578  Chaenactis glabriuscula A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41537 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  UCSB37824  Chaenactis glabriuscula Sanders, A. 1980-7-18 Riverside Garner Valley; near junction of the Thomas Mtn. Rd. with Hwy. 74, about 1 mile SE of the head of Hemet Lake; T 6S, R 3E, SW1/4 of SW1/4 sec. 10 1341 Comment
  CAS-BOT-BC277411  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  RSA339650  Chaenactis glabriuscula var. glabriuscula R. F. Thorne 1980-5-28 54235 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
  RSA60733  Chaenactis glabriuscula var. glabriuscula Frank W. Gould 1943-4-17 2107 Riverside 12 miles south of Corona on road to Elsinore. Comment
  RSA763054  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1968-5-22 6943 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC1979614  Chaenactis glabriuscula var. glabriuscula D. L Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC481111  Chaenactis glabriuscula var. glabriuscula Lottie M. Wilder 1903-4-12 79 Riverside Wilder's Comment
  UCR281277  Chaenactis glabriuscula var. glabriuscula Mitch Provance, Jeremiah George 2017-3-21 317- 10 Riverside Temescal Valley, Horsethief Wash (E branch impeded by development), N of Hwy 15 and NNW of Horsethief Rd., area between Temescal Canyon Rd. and Temescal Creek 357 Comment
  UCD130366  Chaenactis glabriuscula var. lanosa J. C. Roos 1966-4-29 s.n. Riverside between March AFB and Lakeview. Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  UCR34890  Chaenactis parishii L. B. Ziegler 1967-7-5 173 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  UC667268  Chaenactis stevioides Annie M. Alexander and Louise Kellogg 1941-5-11 2154 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring 883 Comment
  UCR245629  Chaenactis stevioides var. stevioides Duncan S. Bell 2010-4-1 672 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  JOTR16669  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  POM182427  Chamaesyce albomarginata R. L. Pendleton 1905-9-28 255 Riverside Riverside. Comment
  RSA27703  Chamaesyce albomarginata C. L. Hitchcock 1940-4-2 5925 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  JOTR28794  Chamaesyce polycarpa La Doux, Tasha 2005-3-30 1063 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0042474  Chamaesyce polycarpa Deidre Conocchioli, Kristin Forgrave, April Garbat 2013-8-13 1 Riverside Chuckwalla Valley Road approximately 4 miles east of Corn Springs 194 Comment
  RSA747991  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-4-28 12613 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA774924  Chamaesyce polycarpa Duncan S. Bell 2011-4-7 2168 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  RSA781804  Chamaesyce polycarpa Duncan S. Bell 2010-5-1 s.n. Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA778321  Chamaesyce polycarpa Amber Swanson, Linda Jean Foster 2011-10-8 626 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  SEINET6938522  Chamaesyce polycarpa W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route U.S 395 and ca. 5 miles southeast of Lake Mathews. Comment
  RSA615380  Chamaesyce prostrata A. C. Sanders, L. Ard, et al. 1994-7-11 15061 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  UCR261104  Cheilanthes clevelandii Joseph Cahill 2011-1-8 111- 06 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
  RSA85548  Cheilanthes covillei F. W. Peirson 1928-11-30 8213 Riverside about 1 mile north of Cottonwood Spring, northeast of Mecca. Comment
  SEINET3870278  Cheilanthes newberryi A. C. Sanders, G. K. Helmkamp 1997-3-15 19917 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills.; 0 567 Comment
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  CAS-BOT-BC70330  Cheilanthes parryi L. R. Abrams 1926-3-26 11076 Riverside Palm Canyon Comment
  RSA685805  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 349 Riverside Andreas Canyon watershed. 366 Comment
  RSA629023  Chenopodium Scott D. White 1998-6-28 6790 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  RSA192153  Chenopodium californicum E. W. Lathrop 1959-4-16 4472 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  SD234929  Chenopodium desiccatum Mitch Provance 2003-6-7 7610 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  CLARK-A1656-768  Chenopodium murale Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  UCR4695  Chenopodium murale R. A. Anderson 1964-12-25 64 Riverside Riverside, Chicago Avenue & Blaine Street. 152 Comment
  RSA450976  Chenopodium murale Stephen M. Beckstrom-Sternberg 1985-9-10 1024 Riverside U.C.R. garden plots. Comment
  CSUSB985  Chilopsis linearis Michael J. Arbaugh 1978-6-4 S. N. Riverside Coachella Valley Located along wash 1.2 miles north on Desert View Road and Amethyst Road junction in West Palm Springs Village. Comment
  RSA455311  Chilopsis linearis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass. Comment
  SFV3471  Chilopsis linearis M. L. Vincent, R. H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCSB8349  Chilopsis linearis Wilson, Richard 1958-5-18 Riverside 3 miles West of Palm Springs Comment
  JEPS58874  Chimaphila umbellata Carl V. Meyer 1928-6-14 451 Riverside canyon near Saunder's Meadow (San Jacinto Mt.); San Jacinto Mt. 1737 Comment
  UCR94961  Chloris truncata Scott D. White 1996-9-22 4535 A Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UCR10807  Chlorogalum pomeridianum Ruth Cooper 1968-5-18 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  RSA607345  Chorizanthe R. S. Woglum 1937-5-22 526 Riverside Temecula. Comment
  UCR198203  Chorizanthe brevicornu Michael Honer, L. Hulse 2004-4-4 1935 Riverside Colorado Desert, Little San Bernardino Mountains, southwest base of Cottonwood Mountains, near MWD aqueduct, c. 0.75 mi north of Hwy I-10, east edge of Pinkham Wash 488 Comment
  UC635065  Chorizanthe brevicornu var. brevicornu Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon , 1000-Palm Canyon (Colorado Desert) Comment
  UCR11321  Chorizanthe coriacea Heather Johnston 1967-5-18 051867- 03 Riverside San Bernardino Valley, Reche Canyon, field opposite 7382 Reche Canyon Road 457 Comment
  UCR97696  Chorizanthe fimbriata A. C. Sanders, G. Helmkamp 1997-3-15 19929 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 537 Comment
  RSA392577  Chorizanthe leptotheca N. C. Cooper 1949-6-29 4329 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  POM10486  Chorizanthe parryi var. parryi Stephen Grout, Stephen Grout 1903-05 5 Riverside Riverside Comment
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Sep 5 2011
  RSA735987  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-5-27 12037 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  UC84787  Chorizanthe parryi var. parryi Katharine Brandegee 1905-5-12 Riverside Riverside Comment
  UCR217550  Chorizanthe parryi var. parryi Diane Menuz 2008-3-24 377 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  UCR78332  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-4-26 2334 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
  UCR189564  Chorizanthe polygonoides var. longispina Diane Menuz 2006-4-20 34 Riverside Peninsular Range; Santa Ana Mountains, Elsinore Peak; c. 3 mi south of Lake Elsinore. Next to tower off dirt road 1050 Comment
  UCR217541  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-4 391 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  SBBG99603  Chorizanthe rigida W. L. Halvorson 1977-3-8 77 87 a Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET3087441 Image available Chorizanthe xanti B. Pitzer 1986-4-26 190 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (Whitewater 7.5' quad). 732 Comment
  CAS-BOT-BC36265  Chrysolepis sempervirens F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR109475  Chrysothamnus paniculatus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR150646  Chrysothamnus teretifolius Bern Schwenn 1994-11-18 s.n. Riverside Joshua Tree National Monument, W slope of Ryan Mtn., along trail 1463 Comment
  UCR150648  Chrysothamnus teretifolius Bern Schwenn 1994-11-5 s.n. Riverside Joshua Tree National Monument, Eagle Mtns: 3.2 mi south of Black Eagle Rd on BLM route J289; junction of J289 and Black Eagle Rd. is 8 mi east of paved Pinto Basin Rd Comment
  SFV21965  Chylismia brevipes J. N. Hogue 2011-3-27 376 .1 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  UCR279347  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-23 42936 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  UCR279518  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-27 43118 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  JEPS23431  Chylismia cardiophylla subsp. cardiophylla M. French Gilman 1845-1 716 Riverside Palm Springs of San Jacinto Comment
  RSA0121174  Chylismia cardiophylla subsp. cardiophylla Duncan S. Bell, LeRoy Gross 2016-3-30 9176 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UC1184383  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 mi s Rice Comment
  UC1922415  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1424 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA593982  Cirsium occidentale var. occidentale D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0958 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  CAS-BOT-BC438852  Cistanthe monandra Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC438857  Cistanthe monandra Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA329670  Cistanthe monandra Gary D. Wallace 1966-3-26 250 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  RSA466605  Cistanthe monandra Martha Hilend 1928-3-11 100 Riverside Morongo Pass, Colorado Desert region. Comment
  RSA522728  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3833 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
  RSA65417  Cistanthe monandra F. W. Peirson 1924-7-29 5028 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UCR120323  Cistus creticus Mitch Provance 1998-7-23 910 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR174560  Clarkia dudleyana Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 101 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR9216  Clarkia dudleyana D. H. Wilken 1965-6-29 316 Riverside San Jacinto Mtns, One mile north of Poppet Flat along County Route 1 1220 Comment
  POM97004  Clarkia epilobioides P. A. Munz 1926-5-2 10422 Riverside 5 miles NW of Dripping Spring. Comment
  CAS-BOT-BC164739  Clarkia rhomboidea H. M. Hall 1901-6-1 2270 Riverside In the vicinity of Strawberry Valley 1584 Comment
  SD73598  Claytonia parviflora subsp. parviflora Helen V. Witham 1970-5-1 848 Riverside steep north bank, Bautista Canyon, southeast of Hemet 800 Comment
  UCR241201  Claytonia perfoliata Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 255 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  LA207252  Clematis ligusticifolia L. Crutcher; 1933-8-19 20 Riverside San Jacinto Mountains, Stream back of Camp Tahquitz Comment
  RSA314403  Clematis ligusticifolia Robert F. Thorne, Kay L. Wright, Ricahrd K. Benjamin 1982-10-8 55396 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA552742  Clematis pauciflora Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6674 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  SDSU20292  Clematis pauciflora Adrienne D. Russell, Michael G. Simpson 2000-4-29 129 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky hillside between trailer and gorge on edge of lot, driveway. Comment
  UCR246587  Clematis pauciflora A. C. Sanders 2012-3-22 39985 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
  RSA440822  Cleome isomeris M. B. Dunkle 1932-3-25 s.n. Riverside Cabazon. Colorado desert. 457 Comment
  POM13869B  Collinsia concolor Philip A. Munz 1922-4-29 5100 Riverside Dripping Springs, near Temecula Creek 518 Comment
  RSA0117452  Collinsia concolor Duncan S. Bell, Lucilla Reccia 2010-5-5 965 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  UCR193125  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35534 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR44460  Collinsia concolor A. C. Sanders 1986-6-1 6547 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA192317  Collinsia heterophylla E. W. Lathrop 1965-5-9 5724 Riverside 6 miles W of Murrieta. Comment
  SBBG47466  Collinsia heterophylla N. C. Cooper 1944-6-17 1429 Riverside Pine Cove 1371 Comment
  SBBG47467  Collinsia heterophylla N. C. Cooper 1944-6-16 1429 Riverside Pine Cove 1524 Comment
  CAS-BOT-BC52499  Colubrina californica Walter Knight; Irja Knight; Fred Klein 1969-3-30 2616 Riverside In vicinity of Eagle Mt. pumping station, .35 mi. from jct. of dead-end Adit Road in sandy wash Comment
  SD257165  Conium maculatum Dave Goodward 2016-7-30 716 1 Riverside San Jacinto Mountains: Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River (Idyllwild 7.5'Q) 1327 Comment
  UCR103480  Convolvulus simulans D. E. Bramlet 1993-4-3 2308 Riverside South Cajalco Bend, c. 61m south of Cajalco Road, at location 3.2 km east of intersection of Cajalco Road and La Sierra Ave., c. 152m east of intersection with old Monument Peak access road 439 Comment
  UCR68608  Convolvulus simulans Steve Boyd, D. E. Bramlet 1990-4-29 4471 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  RSA486462  Conyza canadensis Richard Noyes, L. Arnseth 1988-10-30 754 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UCR256333  Conyza coulteri Duncan S. Bell 2012-3-18 3201 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UC219572  Corallorhiza maculata P. A. Munz 1922-6-28 5865 Riverside Santa Rosa Santa Rosa Mts. (along creek) 2133 Comment
  SEINET4676266  Cordylanthus filifolius Steve Boyd, Tim Ross 1992-6-10 7644 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido,' an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. Southeast side of potrero.; 0 671 Comment
  UCR227603  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-15 1310 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and Forest Service Road 5S15 1063 Comment
  RSA388397  Cordylanthus rigidus subsp. setiger Robert F. Thorne, Steve D. Boyd, Earl Lathrop 1985-7-18 61201 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon.Santa Rosa Island. W side of Tecolote Canyon, just S of Smith Highway. 535 Comment
  UC33126  Coreopsis bigelovii W. G. Wright Riverside Comment
  CAS-BOT-BC287877  Coreopsis californica Munz; Street; Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 542 Comment
  JOTR32156  Coreopsis californica var. californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2310 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side of canyon (Stop 5) Comment
  SBBG45042  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 6962 Riverside N fork of San Jacinto River 1500 Comment
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Dec 14 2011
  SBBG95154  Corethrogyne filaginifolia S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UC101086  Corethrogyne filaginifolia M. F. Gilman 34 Riverside Banning Comment
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Mar 13 2011
  SBBG56001  Cornus nuttallii F. C. Vasek 1964-7-25 640725 -18 Riverside Dark Cyn near Wet Cyn Cmpgrd Comment
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May 19 2012
  RSA0130299  Coryphantha alversonii Anonymous 1947-1 s.n. Riverside Cottonwood Springs Area. Comment
  RSA776224  Crassula connata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 867 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR174165  Crassula connata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32639 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR230201  Crassula connata A. C. Sanders 2011-4-6 38993 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  POM182213  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UCD102971  Crossosoma bigelovii Geoffrey Levin 1976-3-27 696 Riverside Chino Canyon. West of Palm Springs. On the hills on south side of canyon. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 457 Comment
  UCR18941  Crotalaria retusa John C. Roos 1936-12-2 1534 Riverside edge of a grain field at the Citrus Experiment Sta. (now UCR) Comment
  PASA1841  Croton californicus R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA33476  Croton californicus N. C. Cooper 1944-4-21 1141 Riverside Banning 701 Comment
  RSA796020  Croton californicus Duncan S. Bell 2009-4-18 244 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR115999  Croton californicus A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23320 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR134614  Croton californicus Marisa Sripracha, Kyle Boyd 2004-2-14 005 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR169922  Croton californicus Scott D. White, Jennifer H. Jones 2005-4-21 10948 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA650996  Cryptantha angustifolia David B. Dunn 1948-3-14 3763 Riverside near Hidden Springs Ranch, 3 miles south of the Indio Hills. Colorado Desert. Comment
  POM46803  Cryptantha barbigera Mary F. Spencer 1920-3-24 1516 Riverside Near Indio. Colorado Desert. 91 Comment
  RSA784723  Cryptantha barbigera Duncan S. Bell 2012-3-18 3210 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR102912  Cryptantha barbigera George K. Helmkamp 1998-4-4 3174 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCSB52571  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside Above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
  SEINET10455557  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3708 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UC1929957  Cryptantha barbigera var. fergusoniae Scott D. White, Justin Wood 2008-6-16 12144 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR41269  Cryptantha barbigera var. fergusoniae B. G. Pitzer 1986-2-9 2 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UCR213611  Cryptantha corollata A. C. Sanders, Matthew Malle 2010-4-23 38003 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA719070  Cryptantha costata Michael Honer 2005-3-18 2096 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  UCR228207  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  SBBG35066  Cryptantha decipiens T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR108474  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16222 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR102050  Cryptantha decipiens var. decipiens B. G. Pitzer 1997-4-20 3174 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  RSA0108939  Cryptantha inaequata Duncan S. Bell, Amanda Bell 2012-1-28 3071 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UCR244861  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA0106454  Cryptantha intermedia Daphne K. Christopher, Hannah Stevens 2003-4-3 80 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  RSA450444  Cryptantha intermedia J. C. Roos 1950-4-22 4746 Riverside Pigeon Pass Comment
  RSA528106  Cryptantha intermedia Scott D. White 1991-4-10 91 -66 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  RSA779438  Cryptantha intermedia A. C. Sanders 1998-1-15 21641 Riverside along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  SBBG87945  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  SEINET7073314  Cryptantha intermedia A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR114825  Cryptantha intermedia Mitch Provance, Seychelle Provance 1998-2-17 87 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
  UCR115431  Cryptantha intermedia Scott D. White, D. E. Bramlet 1999-4-22 7243 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR16096  Cryptantha intermedia Patty Bartoli 1978-4-2 s.n. Riverside San Jacinto Mtns/ San Jacinto Valley, 2.3 mi east of Hemet on Hwy 74 Comment
  UCR215506  Cryptantha intermedia Daphne K. Christopher, Hannah I. Stevens 2003-4-3 080 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  POM9235  Cryptantha intermedia P. A. Munz, R. D. Harwood 1920-3-20 3379 Riverside 5 miles S of Corona. 305 Comment
  RSA0075624  Cryptantha intermedia var. johnstonii F. W. Peirson 1918-03 1020 Riverside Field near Indio. Comment
  POM13223  Cryptantha maritima E. C. Jaeger 1920-4-20 1124 Riverside Palm Springs. Comment
  UCR38249  Cryptantha maritima J. M. Stewart 1985-2-24 8501 Riverside Sonoran (Colorado) Desert, Coachella Valley, south of Pushawalla Palms Oasis, Indio Hills Comment
  POM73198  Cryptantha maritima var. pilosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  VVC2459  Cryptantha maritima var. pilosa Tim Thomas 2013-3-18 5941 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UC1051659  Cryptantha micrantha Peter Kamb 1950-7-9 1908 Riverside Hall Canyon San Jacinto Mountains 1645 Comment
  RSA790339  Cryptantha micrantha var. lepida C. P. Cowan 1978-4-24 1255 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1.9 mi S of 74. Whittaker transect no.W-226(voucher). Comment
  UCR18398  Cryptantha micrantha var. lepida A. C. Sanders 1978-5-20 00204 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR158712  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30005 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
  SD247355  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside San Jacinto Mountains: Coldwater Creek watershed, ca. 1.25 miles ENE of Mountain Center, nameless tributary to Coldwater Creek, north of Johnson Meadow, above mapped spring. 1524 Comment
  UCR21522  Cryptantha microstachys Steve Boyd 1980-5-6 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris. Burned area in NE corner of Reserve Comment
  POM369480  Cryptantha muricata N. C. Cooper 1944-4-23 1096 Riverside Banning 701 Comment
  RSA0035745  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  SEINET3084450 Image available Cryptantha muricata Rose Gagnon 1968-5-14 680514 -5 Riverside North bank of Santa Ana River East of Salt Lake City bridge Comment
  UCR120624  Cryptantha muricata Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2304 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR19808  Cryptantha muricata W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  SD28086  Cryptantha muricata var. jonesii Carl B. Wolf 1932-8-6 3993 Riverside San Jacinto Mts. 2 9/10 mi. from Idyllwild on road to Hemet 1219 Comment
  RSA0079568  Cryptantha muricata var. jonesii J. C. Roos 1950-4-15 4732 Riverside The summit of Reche Canyon. 793 Comment
  UCR216112  Cryptantha nevadensis Jim Andre, T. La Doux 2009-2-25 10807 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR41828  Cryptantha nevadensis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6115 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR279334  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-23 42923 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
  SDSU18709  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 67 Riverside Joshua Tree National Park. North side of Split Rock. 1294 Comment
  POM3926  Cryptantha racemosa I. M. Johnston 1002 Riverside Palm Canyon. Comment
  RSA18946  Cryptantha racemosa Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9575 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA614832  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  UCR82835  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  JOTR34074  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2970 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UC857320  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5867 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  UCR26541  Cucurbita foetidissima A. C. Sanders, S. Hagopian 1981-5-20 2115 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA339240  Cucurbita palmata R. F. Thorne, Gertrud Dahlgren 1979-8-23 53608 Riverside Pinto Basin RoadL Cholla Garden 1098 Comment
  RSA697190  Cucurbita palmata J. R. Bruff 1929-11-29 434 Riverside Split Rock.- Colo Desert. Comment
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Oct 23 2011
  RSA545300  Cuscuta californica R. F. Thorne 1967-12 41890 Riverside Palm desert Comment
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Jun 16 2013
  RSA309656  Cuscuta indecora J. C. Roos 1951-9-25 5254 Riverside West end Fairmount Park 259 Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  RSA591739  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  CAS-BOT-BC56142  Cylindropuntia californica var. californica L. R. Abrams 1908-7-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  SD229118  Cylindropuntia ganderi Dick Schwenkmeyer 2013-6-11 924 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  HSC46678  Cylindropuntia ramosissima B. C. Templeton Apr 1965 10526 Riverside Joshua Tree Comment
  RSA0112088  Cylindropuntia ramosissima Duncan S. Bell 2010-2-21 551 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  UCD97951  Cylindropuntia ramosissima Lionel A. Stange 1956-4-1 s.n. Riverside Near Forty Nine Palms oasis. Comment
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Jul 1 2012
  RSA770305  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4490 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64311 487 Comment
  SEINET7581721 Image available Cyperus erythrorhizos Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of "Estelle Creek" and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  UCR128307  Cystopteris fragilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8626 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCSB491  Dasyochloa pulchella Yokoyama, Howard 1953-3-21 Riverside 11 mi E of Indio Comment
  OBI43206  Datisca glomerata Hal Royaltey 1970-5-15 Riverside 9 mi from De Luz on Murrieta-Fallbrook rd Comment
  RSA0084821  Datura quercifolia A. C. Sanders, C. L. Sanders, O. F. Clarke 1996-10-23 19644 Riverside Riverside: O. F. Clarke residence, 1012 Spruce St. 305 Comment
  RSA337191  Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Residence of O F Clarke, 1012 Spruce St, Cultivated plants and weeds on 3.5 acres of former orange orchard. Comment
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Oct 25 2011
  CAS-BOT-BC293826  Deinandra fasciculata P. A. Munz 1919-5-3 2642 Riverside Santa Ana Mountains Comment
  OBI5733  Deinandra fasciculata C. M. Wilder 2004-6-4 s.n. Riverside Jurupa Hills near Riverside, Wilder's Cyn Comment
  UC1929622  Deinandra 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. Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
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Apr 16 2011
  SD181706  Deinandra kelloggii Scott D. White 2000-6-3 7999 Riverside Gibbel Flat in the Santa Rosa Hills. 609 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
  UC2030087  Deinandra mohavensis Scott D. White 2000-8-5 8100 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  CAS-BOT-BC131040  Deinandra paniculata A. C. Sanders; Chet McGaugh 1991-7-19 11155 Riverside Murrieta Hot Springs, on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  UCR224405  Deinandra paniculata Robt. L. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside Santa Ana Mountains, South Main Dived Road, 4.7 road miles southeast of the junction with Ortega Hwy (SR74), just south of the gated entrance to Rancho Capistrano housing developments 938 Comment
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Oct 4 2017
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  UCSB1975  Delphinium parishii subsp. parishii Broder, Richard 1958-03 Riverside 1.5 miles up White Water Canyon from US 60-70 Comment
  RSA0020481  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  RSA0020483  Delphinium parishii subsp. parishii N. R. Zabriskie 1973-4-5 619 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  SD138818  Delphinium parishii subsp. subglobosum Craig Reiser 1993-5-17 Riverside West of Santa Rosa Mountain, near head of Nance Canyon and Coyote Creek Comment
  SEINET273041  Delphinium parryi A. C. Sanders 1997-4-3 20176 Riverside Lake Skinner area; N edge of large clay patch adjacent to the Skinner entrance rd. ca 1-2 km NE of Borel. UTM 10km cel 473 Comment
  UCR140299  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UC854188  Delphinium parryi subsp. parryi L. Haines and L. Erickson 1937-4-9 Riverside field near Winchester Comment
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Mar 20 2011
  RSA0124291  Dendromecon rigida Duncan S. Bell 2016-4-16 9334 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA433241  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning Comment
  SEINET263476 Image available Deschampsia danthonioides R. Noll sn Riverside Hemet corner of Warren and Florida Avenues Comment
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Jul 29 2013
  UCR121791  Deschampsia danthonioides A. C. Sanders, Carolyn Washburn 2001-4-17 24041 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 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
  UCR75548  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 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
  RSA754134  Deschampsia elongata W. Schlegel, Andrew Troutte 2008-8-8 10 Riverside Idyllwild: Dry creek bed. Comment
  UCR279579  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-28 43154 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
  RSA0094181  Descurainia pinnata subsp. glabra Jim M. Andre 2012-4-11 20699 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
  RSA775387  Descurainia pinnata subsp. glabra Duncan S. Bell 2011-4-10 2243 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
  POM91010  Descurainia pinnata subsp. glabra E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  POM13711  Descurainia pinnata subsp. menziesii P. A. Munz 1922-4-30 5121 Riverside Lancaster Valley, south of Hemet. Comment
  SEINET12045058  Dichelostemma capitatum N. C. Cooper 1944-1 1002 Riverside Cabazon 457 Comment
  HSC82902  Dichelostemma capitatum subsp. capitatum B. Pitzer 1986-2-22 18 Riverside Whitewater Canyon 0.5 mi. N of Fish Hatchery, San Bernardino Mtns., 5 mi. N of Hwy. 10 on Whitewater Canyon Rd. 732 Comment
  RSA192248  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1960-3-11 4663 b Riverside 5 miles west of Murrieta. Comment
  UCR215508  Dichelostemma capitatum subsp. capitatum Daphne K. Christopher, Hannah I. Stevens 2003-4-3 082 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UC29875  Dieteria asteroides var. asteroides H. M. Hall Aug. 1901 2648 Riverside San Jacinto Comment
  CAS-BOT-BC131051  Dieteria canescens var. ziegleri Philip A. Munz 1938-8-13 15332 Riverside Near Santa Rosa Peak 2316 Comment
  RSA0019280  Diplacus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  RSA0019286  Diplacus brevipes N. C. Cooper 1944-6-16 2005 Riverside San Jacinto Mountains, west side. 1372 Comment
  SEINET222285  Diplacus fremontii B. Ertter, J. Strachan 1979-1 2989 Riverside Banning-Idyllwild Rd (Hwy 243) at Black Mt turnoff (Forest Rd 4Sol), San Jacinto Mts Comment
  RSA0019412  Diplacus fremontii P. A. Munz 1924-5-18 8137 Riverside 18 miles S of Banning on Idyllwild Road. 1524 Comment
  CAS-BOT-BC150680  Diplacus longiflorus Philip A. Munz; P. C. Everett 1950-6-23 14909 Riverside 2 mi. n.w. of Pipe Creek, Hemet Valley, San Jacinto Mts. 1402 Comment
  RSA0019298  Diplacus puniceus D. L. Banks 1997-2-23 1305 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA713266  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside UCR Botanical Garden 351 Comment
  SD140225  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside Western edge of Hemet, 14 acre parcel at NE corner of intersection of Florida Ave. (Hwy 74) and Warren Rd., just S of Tres Cerritos 459 Comment
  UCR25853  Ditaxis lanceolata John C. Roos, Lucille Roos 1949-4-6 4147 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  JOTR35055  Ditaxis neomexicana La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3507 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR216114  Ditaxis neomexicana Jim Andre, T. La Doux 2009-2-25 10813 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA4877  Ditaxis serrata C. B. Wolf 1932-4-27 s.n. Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  POM484  Dithyrea californica I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  UCSB22039  Dodecatheon alpinum Head, W. 1966-5-14 Riverside 0.5 mi. off of Long Valley Trail in Skunk Cabbage Meadow, San Jacinto Mountains. 2499 Comment
  CLARK-A1528-3836  Dodecatheon clevelandii John C. Roos 1952-2-29 5370 Riverside Box Springs Mountains 457 Comment
  UC219103  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  RSA613128  Draba verna D. L. Banks 1997-3-6 1398 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  RSA6657  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 s.n. Riverside 3 miles below Pinyon Flats, San Jacinto Mts. (Palms to Pines Road). 1066 Comment
  POM13288  Dyssodia porophylloides E. C. Jaeger 1921-04 1059 Riverside Cottonwood Mts. Comment
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Nov 6 2011
  CAS-BOT-BC445578  Echinodorus berteroi S. B. Parish 1891-11-3 2264 Riverside Elsinore Comment
  UCR222302  Elatine californica R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55207 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA234019  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-5-12 37939 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  CAS-BOT-BC112767  Eleocharis macrostachya Philip Alexander Munz; Ivan Murray Johnston 1922-5-18 5323 Riverside 1/2 mile south of Lake Elsinore, mud flat. Comment
  JOTR38424  Eleocharis macrostachya Hodges, Stephen, A. Ingersoll 2015-8-26 652 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  SDSU12981  Eleocharis montevidensis Michael G. Simpson with Claudia A. Luke 1999-10-27 2019 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA645535  Eleocharis palustris Scott D. White 1993-3-12 1134 Riverside San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  JOTR38422  Eleocharis parvula Hodges, Stephen, A. Ingersoll 2015-8-26 651 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  UCR260552  Elymus condensatus T. B. Salvato, Matt Malle 2014-5-29 8018 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR96426  Elymus elymoides Scott D. White 1996-8-1 4404 A Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA586940  Elymus glaucus subsp. glaucus D. L. Banks, Steve Boyd 1995-5-17 469 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail;, at the spring just inside the wilderness boundary in north-central, section 33. 731 Comment
  UCR24023  Elymus glaucus subsp. jepsonii John C. Roos 1942-6-20 993 Riverside Peninsular Range; San Jacinto Mtns, Dark Canyon Camp, North Fork San Jacinto River 1829 Comment
  UC1137080  Elymus trachycaulus August L. Hormay 1932-8-8 Riverside Tamarack Valley Comment
  CSUSB98  Emmenanthe penduliflora David M. Peterson 1966-3-13 660313 9 Riverside Little Morongo Creek canyon, 1 mile north of Morongo Valley (29 Palms Road) on southwest facing slope. 761 Comment
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Mar 28 2014
  UC1537546  Emmenanthe penduliflora Gordon H. True Jr. 1935-3-11 65 Riverside Box Springs; Sycamore Canyon 365 Comment
  JOTR30135  Emmenanthe penduliflora var. penduliflora La Doux, Tasha 2008-2-4 1702 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./ Porcupine Wash; deep canyon. 778 Comment
  CAS-BOT-BC131166  Encelia actoni Jenkins; Street 1917-5-30 s.n. Riverside San Jacinto Comment
  UCR154764  Encelia actoni T. B. Salvato, Kent Beaman 2005-5-16 787 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
  JOTR31866  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  SBBG8060  Encelia farinosa H. and M. Dearing 1939-12-31 4046 Riverside near Palm Springs Comment
  SEINET7907882  Encelia farinosa D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of I-10, 914 Comment
  UC1334659  Encelia farinosa Nancy Ryan Zabriskie 1969-4-1 173 Riverside near Palm Springs; Andreas Canyon 152 Comment
  UCD131212  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR254624  Encelia farinosa Jim Andre 2013-3-21 24400 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR75064  Encelia farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM122186  Encelia farinosa var. farinosa Marcus E. Jones 1926-2-15 S.N. Riverside Near Indio. Comment
  POM293694  Encelia farinosa var. farinosa Lyman Benson 1949-3-28 13575 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  RSA502918  Encelia farinosa var. farinosa Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  RSA615337  Encelia farinosa var. farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  SBBG119451  Encelia frutescens A. C. Sanders 1989-9-19 9494 Riverside along Ridge Rd; Chocolate Mtns Aerial Gunnery Range 457 Comment
  JOTR34056  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  NY688828  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway, ca. 0.45 mile downhill from 3000 ft. marker. Comment
  LA81891  Ephedra californica Robert F. Thorne; 1964-5-3 33851 Riverside near hwy ca 4 mi. S of Morongo Valley and ca 3 mi. S of San Bernandino Co. line Comment
  RSA383880  Ephedra californica P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Foot of canyon side. Comment
  SEINET3866930  Ephedra californica Howard C. Stutz 1979-12-31 8621 Riverside Palm Springs.; 0 Comment
  UC1302449  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 mi s of Morongo Valley (ca 3 mi s of San Bernardino Co. line) Comment
  UCR41339  Ephedra californica N. M. Fellows 1985-3-3 98 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCSB9241  Ephedra viridis Krogen, Roger 1957-1 Riverside 7 mi. W of junction of Hwy 60-70 in Box Canyon wash Comment
  UCR96253  Epilobium brachycarpum Scott D. White 1996-8-1 4415 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR13722  Epilobium canum N. R. Zabriskie, W. W. Zabriskie 1972-10-22 547 Riverside Santa Rosa Mtns., Cactus Spring Trail, between Dolomite mine and Horsethief Canyon 1098 Comment
  RSA588412  Epilobium canum subsp. canum M. M. Thompson 1947-8-23 C- 2052 Riverside Los Alamos canyon, Elsinore Mountains. 762 Comment
  RSA589085  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 796 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-BC171743  Epilobium canum subsp. latifolium F. W. Peirson 1922-12-27 3336 Riverside Andreas Canyon between forks and at North Fork, where trail branch comes down, Colorado Desert Comment
  JOTR36393  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA125973  Epilobium canum subsp. latifolium E. K. Balls 1957-11-4 22745 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  RSA588501  Epilobium canum subsp. latifolium H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon 541 Comment
  RSA72090  Epilobium canum subsp. latifolium F. W. Peirson 1924-7-29 5027 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  RSA736740  Epilobium canum subsp. latifolium Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10678 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
  SD28118  Epilobium glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  POM12731  Epipactis gigantea Philip A. Munz 1922-7-1 5934 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  UC488890  Epipactis gigantea C. V. Meyer June, 1927 213 Riverside Half-way House Idyllwild Grade 1066 Comment
  POM966  Equisetum arvense D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
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Sep 3 2011
  POM11161  Equisetum laevigatum Philip A. Munz 1922-6-27 5836 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA191439  Equisetum laevigatum E. W. Lathrop, Thorne 1967-9-26 6624 Riverside 6 miles NW of Murrieta. Comment
  JOTR33117  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2003-10-17 1600 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash 1310 Comment
  UCR97253  Eragrostis mexicana Scott D. White 1996-9-22 4535 B Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  RSA432675  Eremalche exilis M. B. Dunkle 1937-3-25 4936 Riverside Colorado Desert Comment
  RSA0108820  Eremalche rotundifolia Duncan S. Bell, Amanda Turek 2009-3-30 183 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR75055  Eremalche rotundifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12094 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SBBG81712  Eremothera chamaenerioides S. A. Junak 1983-3-24 1657 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  UCSB7335  Eremothera refracta Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70 Comment
  RSA0104872  Eriastrum densifolium subsp. austromontanum P. A. Munz, I. M. Johnston 1924-7-29 8837 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SD3841  Eriastrum densifolium subsp. austromontanum F. Youngberg 1933-8-28 Riverside Near Camp Emerson, Boy Scout camp; Idyllwild. Comment
  CAS-BOT-BC514310  Eriastrum densifolium subsp. austromontanum G. B. Grant 1901-8-1 11429 Riverside San Jacinto Mountains: Strawberry Valley Comment
  RSA0105460  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1921-6-30 1190 Riverside Idyllwild. San Jacinto Mountains. 1616 Comment
  LA106802  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1940-7-21 sn Riverside Santa Rosa Mountains, near Santa Rosa Springs Comment
  RSA0105498  Eriastrum densifolium subsp. elongatum Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1989-6-4 3621 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR169924  Eriastrum eremicum Scott D. White, Jennifer H. Jones 2005-4-21 10946 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA0120671  Eriastrum harwoodii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 966 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA0120673  Eriastrum harwoodii E. C. Jaeger 1939-4-2 s.n. Riverside Mission Creek, Colorado Desert. Comment
  SBBG34230  Eriastrum sapphirinum T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR174123  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32617 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA0122949  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 2004-5-5 27763 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  RSA0122960  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA0122970  Eriastrum sapphirinum subsp. sapphirinum Scott D. White, Justin M. Wood 2008-6-16 12125 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA0122966  Eriastrum sapphirinum subsp. sapphirinum C. W. Tilforth, John Dourley 1980-7-15 2078 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  JEPS19180  Ericameria cooperi var. cooperi W. L. Jepson 1928-4-25 12642 Riverside White Tank Mohave Desert, White Tank 1371 Comment
  UCR13709  Ericameria cuneata J. Zabriskie, N. Ryan Zabriskie 1972-10-21 543 Riverside Peninsular Range; San Jacinto Mtns., SE of S end Marion Ridge Rd., Pine Cove, SW drainage San Jacinto Mtns. 1921 Comment
  JOTR29150  Ericameria cuneata var. spathulata La Doux, Tasha, Mike Bell 2003-10-17 1127 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  CAS-BOT-BC287637  Ericameria linearifolia C. B. Wolf 1931-5-11 1951 Riverside Ridges above Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  UCR150558  Ericameria palmeri var. pachylepis Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  LA203147  Ericameria paniculata Louis Wheeler; 1933-12-1 2288 Riverside San Gorgonio Pass, 2 mi. E. Cabazon, 640 Comment
  UC64809  Ericameria paniculata E. E. Schellenger 1904-10-15 43 Riverside between Cabazon and Whitewater; Colorado Desert Comment
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Mar 13 2011
  RSA305669  Ericameria pinifolia C. W. Tilforth, Walter Wisura 1979-10-11 1917 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley 1341 Comment
  RSA68333  Erigeron divergens G. R. Campbell 1951-5-30 16151 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UCR34967  Erigeron divergens L. B. Ziegler 1972-6-13 482 Riverside San Jacinto Mtns, Hemet (Garner) Valley. In back of Kenworthy Ranger Station. 1402 Comment
  UCR150574  Erigeron foliosus var. foliosus D. L. Banks, Michael Kinney 1998-6-8 2210 Riverside Peninsular Ranges; Palomar Mountains region, NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego County line border 476 Comment
  POM19628  Erigeron foliosus var. stenophyllus Mary F. Spencer 1923-6-6 2214 Riverside San Jacinto. 518 Comment
  CLARK-A1528-2970  Eriodictyon crassifolium John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  LA205603  Eriodictyon crassifolium Harlan Lewis; 1935-4-6 sn Riverside Snow Creek, Palm Springs 182 Comment
  POM13315A  Eriodictyon crassifolium E. C. Jaeger 1921-4-7 1079 Riverside Murray Canyon, Palm Springs Comment
  SEINET271036  Eriodictyon crassifolium Richard J. Shaw 1958-4-6 1103 Riverside Palms to Pines Highway, between Idyllwild junction and Hemet 1067 Comment
  UC501499  Eriodictyon crassifolium D. A. Johansen and J. A. Ewan 1932-4-10 7091 Riverside mouth of Tahquitz Canyon; western Colorado Desert, mouth of Tahquitz Canyon Comment
  UCR120803  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  UCR277736  Eriodictyon crassifolium Mitch Provance 2012-1-26 112- 08 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, powerline access road, 0.4 miles due S of El Casco Substation. 687 Comment
  JEPS39  Eriodictyon crassifolium var. crassifolium W. L. Jepson 1939-4-15 19213 Riverside about 9 mi westerly from Aguanga (Dripping Spring, (westerly from Nigger Valley about 3 mi)); Dripping Spring Comment
  CAS-BOT-BC188972  Eriodictyon parryi John Thomas Howell 1928-7-8 4077 Riverside Trail to Santiago Peak above Glen Ivy, Santa Ana Mountains 1524 Comment
  UCR277737  Eriodictyon trichocalyx Mitch Provance 2012-1-26 112- 02 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  OBI26129  Eriogonum David J. Keil 1976-12-12 11907 Riverside Ca 5 mi E of Indio along I-10 Comment
  CAS-BOT-BC248619  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC248639  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  UC597726  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, n end Santa Rosa Mts. Santa Rosa Mts. 1097 Comment
  UCR35090  Eriogonum apiculatum L. B. Ziegler 1967-8-23 224 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  POM13401  Eriogonum davidsonii E. C. Jaeger 1922-8-24 1012 Riverside Between Tahquitz Valley and Long Valley. 2287 Comment
  SBBG1441  Eriogonum davidsonii H. and M. Dearing 1940-6-8 4344 Riverside Box Cyn, near Mecca Comment
  RSA784941  Eriogonum deflexum Duncan S. Bell 2012-2-12 3119 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR3379  Eriogonum deflexum John Minnich 1964-3-22 64-3-22- 12 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  CAS-BOT-BC256128  Eriogonum deflexum var. deflexum Aven Nelson; Ruth Nelson 1939-3-29 3325 Riverside Hidden Springs Canyon, not far from Mecca Comment
  HSC17267  Eriogonum deflexum var. deflexum C. L. Hitchcock, C. V. Muhlick 1964-3-22 23257 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  RSA0108826  Eriogonum deflexum var. deflexum Duncan S. Bell, Amanda Turek 2009-3-30 177 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SDSU13041  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, T8S, R3W, northwest 1/4 of northwest 1/4 of section 35. 378 Comment
  SDSU6540  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 279 Riverside Along road, S. side of Lake Mathews. Comment
  SEINET6418387  Eriogonum fasciculatum Ken Zysk 1971-4-27 P 140 Riverside Chaffey College 457 Comment
  POM11901  Eriogonum fasciculatum var. flavoviride P. A. Munz, D. D. Keck 1922-4-13 4949 Riverside Eagle Mountains. 244 Comment
  UC85799  Eriogonum fasciculatum var. foliolosum J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UCR92291  Eriogonum fasciculatum var. foliolosum Scott D. White, M. A. Patten 1995-8-16 3547 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  CAS-BOT-BC167187  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  CAS-BOT-BC250142  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring Comment
  LA26727  Eriogonum fasciculatum var. polifolium H. Lewis; 1941-8-1 sn Riverside San Jacinto Mountains, Herkey Creek Camp Ground, near Keen Camp Comment
  RSA393337  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside Keen Camp P. O. 1360 Comment
  RSA393338  Eriogonum fasciculatum var. polifolium E. Crow 1929-2-24 182 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  RSA393344  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  SD143785  Eriogonum fasciculatum var. polifolium Scott D. White 1997-5-25 5227 Riverside San Jacinto Mts.; Bautista Canyon: Hixon Trail between trailhead at Bautista Ctn. Rd. and intermittent stream crossing 975 Comment
  UCD100051  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  UCR150008  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CLARK-A1528-3738  Eriogonum gracile C. Epling, William Robison 1933-6-24 Riverside San Gorgonio Wash Comment
  UCR275482  Eriogonum gracile T. B. Salvato, Melissa Clemons 2005-6-9 1511 Riverside Peninsular Range, Gavilan Hills, N/S trending bulldozer track 0.83 mile north of the Nichols Road junction with Hwy 15, and c. 3 miles north of Lake Elsinore 488 Comment
  SD137666  Eriogonum gracile var. gracile Darin L. Banks, Victor Steinman 1995-7-10 754 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage N of the peak Agua 3280 Comment
  UCR69745  Eriogonum gracile var. gracile A. C. Sanders, Chet McGaugh 1991-7-19 11139 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UC217980  Eriogonum heermannii var. argense E. C. Jaeger 1921-11-15 250 Riverside 2 mi e Keyes Ranch Comment
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Nov 6 2011
  POM19835  Eriogonum molestum Mary F. Spencer 1923-8-5 s.n. Riverside Idyllwild 2134 Comment
  UCR125895  Eriogonum nudum var. pauciflorum A. C. Sanders, Mark Elvin 2001-8-17 24596 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  SJSU1822  Eriogonum pusillum J. W. Tilden 1957-4-18 1097 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCR243514  Eriogonum pusillum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21079 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCSB18463  Eriogonum pusillum Schevill, Peggy 1963-5-5 Riverside State Highway 74; about 5 miles N-NW of Pinyon Flats Campground 731 Comment
  CAS-BOT-BC268554  Eriogonum saxatile Edmund C. Jaeger 1939-5-20 s.n. Riverside 15 miles south of Warren's Well, Mohave [Mojave] Desert 1219 Comment
  JOTR32352  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  UCR243512  Eriogonum saxatile Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  POM14256  Eriogonum thomasii P. A. Munz, D. D. Keck 1922-4-9 4918 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  POM230614  Eriogonum thomasii I. W. Clokey 1933-4-17 s.n. Riverside Cottonwood Springs. Comment
  POM259944  Eriogonum thomasii P. A. Munz 1940-3-23 15669 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  POM279991  Eriogonum thomasii Lyman Benson 1933-3-31 4196 Riverside Salton Sea-Imperial Co. line. 61 Comment
  POM305593A  Eriogonum thomasii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 889 Riverside Whitewater. Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UC724336  Eriogonum thomasii Aven Nelson, Ruth A. Nelson 1939-3-30 3351 Riverside near Desert Center (n of Chuckwalla Mts.) Comment
  UCR74367  Eriogonum thomasii Theo Glenn 1991-5-2 91- 11 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UC412809  Eriogonum thurberi R. L. Pendleton 1906-5-27 966 Riverside Santa Ana River above Salt Lake bridge; Santa Ana River Comment
  UCR24328  Eriogonum wrightii John C. Roos 1967-10-28 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater 427 Comment
  POM259261  Eriogonum wrightii var. membranaceum P. A. Munz 1938-8-14 15384 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  UC56365  Eriogonum wrightii var. membranaceum J. Vandeventer 1903-1 16 Riverside San Jacinto Mts. Comment
  UCR264084  Eriogonum wrightii var. membranaceum T. B. Salvato, Arlee Montalvo 2015-8-22 8231 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  UCR48496  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Gavilan Plateau, Gavilan Hills. south of Ida Leona Road 604 Comment
  UC494688  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside road <from> Indio to Vandeventer Flat (n base of mts.); Santa Rosa Mts. 609 Comment
  UCR131586  Eriogonum wrightii var. nodosum L. C. Wheeler 1933-12-1 2294 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Tahquitz Canyon 152 Comment
  JOTR30286  Erioneuron pulchellum La Doux, Tasha, Bill Truesdell 2006-10-3 1781 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  POM357992  Eriophyllum confertiflorum M. V. Hood 1945-3-25 s.n. Riverside Aguanga, San Diego County. [Riverside County] 595 Comment
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Jan 22 2009
  RSA342566  Eriophyllum confertiflorum R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54073 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SEINET7073462  Eriophyllum confertiflorum A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC31708 Image available Eriophyllum confertiflorum E. L. Koethen 1897-8-1 20 Riverside Riverside Comment
  UCR177023  Eriophyllum confertiflorum Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  LA203544  Eriophyllum confertiflorum var. confertiflorum Elizabeth McClintock; 1935-3-3 sn Riverside Pedley Hills Comment
  UC917903  Eriophyllum confertiflorum var. confertiflorum Frank W. Gould 1943-4-18 2150 Riverside 1 mi w Banning (in the foothills of the San Jacinto Mountains); San Jacinto Mountains Comment
  SBBG122776  Eriophyllum multicaule A. Parikh 1990-4-23 154 Riverside E of Gavilan Pk, 0.2 km S of Ida Leona Rd, 1 km E of Gavilan Rd 627 Comment
  RSA801814  Eriophyllum wallacei LeRoy Gross, Evan Meyer 2013-5-21 6108 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  SJSU1905  Eriophyllum wallacei J. W. Tilden 1957-4-18 1100 Riverside near Whitewater E of San Gorgonio Pass Comment
  RSA801742  Erodium D. M. McF 1952-9-9 s.n. Riverside Red Mtn. Southeast Hemet. Comment
  RSA747917  Erodium botrys Justin M. Wood 2009-3-3 326 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  UCR263231  Erodium botrys A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41459 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA747918  Erodium cicutarium Justin M. Wood 2009-3-3 325 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  UCR174301  Erodium cicutarium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32653 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR265564  Erodium cicutarium Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 3 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA183396  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside 30 miles north of Ogilby, along road to Blythe. Comment
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Feb 21 2013
  UCR26267  Erodium texanum John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Mouth of Lost Palms Wash, Eagle Mountains Comment
  RSA336175  Eryngium aristulatum var. parishii R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  JOTR32855  Eschscholzia La Doux, Tasha 2008-1-14 2938 Riverside Joshua Tree National Park. East Cottonwood Mountains, Cottonwood Canyon; sandy wash in side canyon, west of Rte.11, near old road to Coyote Mine 274 Comment
  GMDRC5487  Eschscholzia androuxii J. Andre 2012-4-16 20884 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  RSA433640  Eschscholzia caespitosa subsp. caespitosa D. A. Young 1969-3-28 P 394 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  SDSU13326  Eschscholzia californica Ryan Jacobson, Jeremy Mass 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. About 1.5 miles from south-side facilities. 177 Comment
  HSC87135  Eschscholzia minutiflora Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2116 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA777723  Eschscholzia minutiflora Jim Andre, G. L. Clifton 2011-2-22 17424 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  SEINET10476293  Eschscholzia minutiflora David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2909 Riverside Pushawalla canyon, indio hills. Hill slope. Comment
  RSA0022892  Eschscholzia papastillii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10881 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  RSA784765  Eschscholzia parishii Duncan S. Bell 2012-3-18 3169 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UC403443  Escobaria vivipara var. alversonii Munz and Keck 1922-4-13 5015 Riverside Anshutz Canyon Colorado Desert, Eagle Mts. Comment
  CDA5163  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-1 11123 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  CSUSB861  Eucalyptus tereticornis Bruce A. Beebe 1970-5-12 39 Riverside Box Springs Mountains North foothills of Box Springs Mountains along Pigeon Pass Road, 0.4 mile from junction with Serpentine Road; about 3 miles north of UC Riverside. 426 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA614403  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-16 1536 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA0103963  Eulobus californicus Duncan S. Bell, LeRoy Gross 2015-3-10 7770 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  SBBG35136  Eulobus californicus T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  SDSU12868  Eulobus californicus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 21 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  POM261421  Euonymus occidentalis var. parishii J. C. Roos 1941-8-2 88 Riverside Dark Canyon. 2134 Comment
  RSA0040031  Euphorbia albomarginata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  RSA0041458  Euphorbia eriantha Duncan S. Bell, LeRoy Gross 2014-3-20 6275 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC217898  Euphorbia eriantha P. A. Munz, D. Keck 1922-4-13 4820 Riverside Eagle Mountains, Colorado Desert 213 Comment
  RSA614240  Euphorbia ophthalmica A. C. Sanders 1994-11-8 15864 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  UCR119352  Euphorbia polycarpa Helen Kennedy, Sara Mills 2001-3-17 5391 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCR180056  Euphorbia polycarpa Mitch Provance 2005-5-18 9819 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR230600  Euphorbia serpens A. C. Sanders 2011-9-15 39897 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR148339  Euphorbia setiloba John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM130427  Eustoma exaltatum H. M. Hall 1896-8-21 11023 Riverside Santa Ana River, near Riverside Comment
  SEINET8720621 Image available Fagonia chilensis Helen K. Sharsmith 1952-1 4062 Riverside Larrea-Olneya association. Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70. 533 Comment
  CAS-BOT-BC167366  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside Along Palms to Pines Hiway, 4 mi. s. of Palm Desert 609 Comment
  CSUSB333  Fagonia laevis P. A. Rauch 1966-2-19 Riverside 2 miles east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch. 60 Comment
  RSA336189  Fagonia laevis Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52046 Riverside Just E of Palm Desert. Comment
  RSA391201  Fagonia laevis Jack Rempel, Lester H. Cushman 1932-3-13 15516 Riverside Deep Canyon Colo. Desert. Comment
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Dec 10 2011
  RSA77843  Fagonia laevis F. W. Peirson 1920-2-16 2029 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  UCR104005  Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2657 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR250113  Fagonia laevis A. C. Sanders, Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon 435 Comment
  JOTR31952  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2189 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash 667 Comment
  OBI2141  Ferocactus cylindraceus P. A. Holden 1969-4-11 730 Riverside Near jctn of I-60, 70 and State 62 highways Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  POM47488  Filago californica Mary F. Spencer 1920-3-28 1630 Riverside In desert sand near Palm Springs Comment
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Aug 27 2011
  RSA708426  Filago californica Scott D. White 2005-3-29 10832 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA475292  Filago depressa Steve Boyd, Sara Meury, R. Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2108 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  RSA781802  Filago depressa Duncan S. Bell 2010-5-1 878 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA586304  Filago gallica D. L. Banks, S. D. Boyd 1995-5-3 0215 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR134653  Filago gallica Mitch Provance 1998-4-9 404 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UC1478695  Flaveria trinervia Mark Tavianini 1977-10-23 Riverside Mickinley St., 1 mi n of 91 Freeway; La Sierra area Comment
  RSA69885  Forestiera pubescens F. W. Peirson 1922-5-21 3044 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  UCR41846  Fouquieria splendens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6090 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC454004  Fragaria vesca I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mountains 1524 Comment
  POM243959  Frangula californica subsp. californica Percy C. Everett 1935-6-17 7137 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  UC1931061  Frangula californica subsp. cuspidata Scott D. White, Justin Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  SBBG50235  Frankenia salina A. C. Sanders with K. Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Temescal Crk in Walker Cyn, at foot of Alberhill Mtn 378 Comment
  CLARK-A1656-660  Franseria dumosa Lois Ann Scott 1978-11-17 Riverside San Jacinto Mountains 152 Comment
  CAS-BOT-BC217646  Fraxinus dipetala P. C. Everett 1935-6-17 7164 Riverside Coldwater Canyon Trail to Santiago Pk., 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  HSC25928  Fraxinus dipetala Richard Spjut 1972-3-14 2270 Riverside San Jacinto Mtns., Rte. 1 from Hwy. 10 to Idylwild 915 Comment
  POM13788  Fraxinus dipetala P. A. Munz, I. M. Johnston 1922-5-5 5149 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  CAS-BOT-BC211020  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside Penrod Canyon 1524 Comment
  SDSU12976  Fraxinus velutina Michael G. Simpson 1999-10-27 2041 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR225781  Funastrum cynanchoides var. hartwegii Dave Silverman 2010-3-30 7886 A Riverside Sonoran (Colorado) Desert, East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA0042920  Funastrum hirtellum Duncan S. Bell, Evan Meyer 2014-4-2 6495 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR35176  Galium andrewsii L. B. Ziegler 1967-9-28 252 Riverside San Jacinto Mountains, Hemet (Garner) Valley 1463 Comment
  JEPS52778  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4279 Riverside about 2 1/2 mi above lower end of road to Santa Rosa Peak 2072 Comment
  RSA609658  Galium andrewsii subsp. andrewsii R. S. Woglum 1937-5-22 554 Riverside Santa Rosa Mountains. Comment
  UCR187480  Galium angustifolium Diane Menuz 2006-6-6 130 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  UCR3403  Galium angustifolium subsp. angustifolium John Minnich 1964-4-7 64-4-7- 6 Riverside Box Springs Mtns, Two Trees Canyon, Riverside 367 Comment
  POM367765  Galium aparine N. C. Cooper 1944-5-21 1236 Riverside San Jacinto Mountains, West side 915 Comment
  UCR169317  Galium aparine T. B. Salvato, John F. Green 2004-5-27 600 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR216232  Galium aparine Mike Bell 2008-4-27 016 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 558 Comment
  JOTR33926  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2817 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JOTR33928  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  POM68617  Galium stellatum Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  JEPS29088  Garrya flavescens Marjorie D. Clary 1932-7-3 1221 Riverside Kenworthy; Santa Rosa Mts. 1371 Comment
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Mar 25 2011
  CAS-BOT-BC158072  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Brush lands, San Jacinto River Comment
  UCR90585  Gastridium ventricosum Scott D. White 1995-6-29 3384 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  RSA633319  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38085 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC1280012  Gayophytum diffusum subsp. parviflorum Peter H. Raven with R. Snow 1957-7-26 11088 Riverside Banning to Idyllwild road 0.9 mi n Vista Grande Ranger Station; San Jacinto Mountains Comment
  CAS-BOT-BC303571  Geraea canescens Peter H. Raven 1958-2-15 11585 Riverside Along US Highway 60, 8.7 miles E of road to WIley Wells Comment
  POM308426  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3073 Riverside Indio. Comment
  RSA699241  Geraea canescens J. R. Bruff 1928-4-3 s.n. Riverside 13 miles W of Desert Center. Comment
  SBBG60586  Geraea canescens R. C. and J. R. Robbins 1933-2-15 Riverside near foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs Comment
  RSA676109  Gilia Scott D. White 2001-4-12 8300 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR252001  Gilia A. C. Sanders, T. B. Salvato 2014-7-2 41175 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SEINET6969909  Gilia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Base of brush-covered Gavilan Hills west of Perris. Comment
  CLARK-A1528-3498  Gilia achilleifolia subsp. multicaulis John C. Roos 1937-4-4 1389 Riverside La Sierra Comment
  UC880103  Gilia angelensis Marcus E. Jones, A. M. 1882-4-25 2811 Riverside San Jacinto Comment
  UCR275509  Gilia angelensis D. E. Bramlet 2012-4-9 4996 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  VVC375  Gilia australis A. C. Sanders, J. Mac 1997-5-4 20650 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
  UC52831  Gilia diegensis H. M. Hall April, 1902 2913 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA350823  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
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Oct 22 2011
  RSA0112626  Gilia ochroleuca A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35604 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.25 mi SW of Fleming Ranch, meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1562 Comment
  RSA20018  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet 600 Comment
  UCR25085  Gilia splendens A. C. Sanders 1980-7-18 1641 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JOTR35458  Gilia stellata Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 62 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  POM74531  Gilia stellata Marcus E. Jones 1906-4-30 9986 Riverside Indio. Comment
  RSA67730  Gilia stellata Verne Grant, Alva Grant 1952-4-1 17523 Riverside Near White Tank at summit of pass between Little San Bernardino Mountains and Pinto Mountains Comment
  RSA776092  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 824 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  RSA797510  Gilia stellata C. P. Cowan 1978-4-23 1176 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  SBBG18148  Gilia stellata C. B. Hardham 1962-3-18 8925 Riverside E side of Salton Sea, St Hwy 195 Comment
  JOTR00893  Gilia stellata Sipe, Frank 1958-3-10 266 Riverside Joshua Tree National Park. PINTO BASIN Comment
  UC864089  Glycyrrhiza lepidota Crawford and Johnston 1917-6-9 1228 Riverside near Corona; Santa Ana River Comment
  UCR231742  Gnaphalium californicum John F. Green 2008-4-23 08- 13 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR91735  Gnaphalium luteoalbum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18105 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR172230  Gnaphalium palustre John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR24885  Gnaphalium palustre A. C. Sanders 1980-7-22 1737 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR3583  Gnaphalium palustre Frank C. Vasek 1964-6-24 640624- 03 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  RSA91697  Gnaphalium palustre F. W. Peirson 1930-5-10 8769 Riverside Roadside, on Hemet Plateau near March Field, between Riverside and Perris. 457 Comment
  UCR34923  Gnaphalium stramineum L. B. Ziegler 1968-7-17 331 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  JOTR35472  Grayia spinosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 75 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  RSA543153  Guillenia lasiophylla Steve Boyd, Mike Hammitt 1991-5-2 6103 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
  RSA703735  Guillenia lasiophylla LeRoy Gross 2005-3-3 1569 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC1584126  Guillenia lasiophylla Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3875 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  UCR89724  Guillenia lasiophylla J. M. Stewart 1991-4-1 766 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, Slaughter Tree Wash, c. 5 mi. from Hwy 95 Comment
  SEINET10728243  Gutierrezia David B. Dunn 1947-10-9 Dunn 3524 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  UCSB45959  Gutierrezia californica Roos, John 1965-9-26 Riverside Near Palms Springs station Comment
  RSA709849  Gutierrezia microcephala Sarah J. De Groot, L. Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4628 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR215455  Gutierrezia microcephala Jim Andre, T. La Doux 2008-9-16 10690 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  RSA304952  Gutierrezia sarothrae E. R. Hobbs 1978-7-17 78 -118 Riverside Creek banks, Avery Canyon, betw Santa Rosa Hills and Polly Butte, N side of Gibbel road, S of Hemet Comment
  UC1214010  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2756 Riverside on Hwy 74 3.4 mi w of junction with Hwy 71 Comment
  UCR260513  Gutierrezia sarothrae T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7995 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR92154  Gutierrezia sarothrae D. L. Banks, Steve Boyd 1995-10-26 0827 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  SBBG122760  Harpagonella palmeri A. Parikh 1990-4-25 156 Riverside base of Gavilan Pk, 1.7 km N of Lake Matthews Drive, 1.8 km W of Gavilan Rd 637 Comment
  UCR104645  Harpagonella palmeri D. E. Bramlet 1997-4-4 2509 Riverside in a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  UCR67365  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3920 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  RSA0066628  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3133 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. 518 Comment
  RSA502917  Helianthus annuus subsp. lenticularis Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  UCR201512  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR231737  Helianthus gracilentus John F. Green 2008-4-23 08- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR277738  Helianthus gracilentus Mitch Provance 2012-1-26 112- 07 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, powerline access road, 0.4 miles due S of El Casco Substation. 687 Comment
  UCR256783  Heliotropium curassavicum T. B. Salvato, Matthew Malle 2013-5-20 7575 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
  UCR82242  Heliotropium curassavicum J. M. Stewart 1994-5-2 862 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  CSUSB742  Heliotropium curassavicum var. oculatum Heather Johnston 1967-5-16 Riverside Salton Sea State Park Salton Sea State Park, 0.9 miles south of entrance. Creek crossing Highway 111 -45 Comment
  POM49130  Hemizonia kelloggii Mary F. Spencer 1919-6-17 1192 Riverside Near San Jacinto 304 Comment
  RSA94099  Hemizonia kelloggii F. W. Peirson 1925-5-20 6011 Riverside Aguanga. 610 Comment
  RSA674594  Hemizonia paniculata Scott D. White 2000-5-5 7771 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR162759  Hemizonia paniculata John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR260554  Hemizonia paniculata T. B. Salvato, Matt Malle 2014-5-29 8016 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR280828  Hemizonia paniculata T. B. Salvato, Gregg Miller 2005-6-3 1407 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  UCR96696  Hemizonia paniculata A. C. Sanders 1995-11-26 17922 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  UCR101544  Hemizonia pungens C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  UCR68044  Hemizonia pungens subsp. pungens D. E. Bramlet 1990-7-20 2048 Riverside Perris Valley Storm Drain, 200 m east of the Escondido Freeway (Hwy I-125), and 350 m north of Ellis Ave 470 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  RSA769628  Heteromeles arbutifolia E. W. Lathrop 1973-6-28 7432 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  PASA1743  Heterotheca grandiflora Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  UC481026  Heterotheca grandiflora R. L. Pendleton 1905-9-25 245 Riverside Terraces Ranch Riverside Comment
  UCR117350  Heterotheca grandiflora Mitch Provance 1998-6-11 662 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  CAS-BOT-BC26196  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  CAS-BOT-BC206627  Heuchera hirsutissima Elizabeth McClintock 1965-6-25 119 Riverside Santa Rosa Mountain, a short distance below summit. Comment
  CAS-BOT-BC203351  Hibiscus denudatus Ira L. Wiggins 1941-3-27 9691 Riverside 8.2 miles west of Shaver's Summit Comment
  UCR133701  Hibiscus denudatus N. C. Cooper 1944-4-8 1072 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 305 Comment
  NY43246  Hilaria rigida C. R. Annable 1995-3-16 2294 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  SEINET2061523 Image available Hoffmannseggia glauca H. Dearing, M. Dearing 1942-4-6 4867 Riverside 3 mils E of Blythe. Comment
  UCR33610  Hoffmannseggia glauca Sears 1977-10-12 S- 583 Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  CAS-BOT-BC206103  Hoffmannseggia microphylla John Thomas Howell 1928-1-30 3307 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  CAS-BOT-BC207575  Hoffmannseggia microphylla S. B. Parish 1896-4-1 4114 Riverside Palm Springs, Colorado Desert Comment
  RSA698741  Hoffmannseggia microphylla W. Marquart 1938-3-12 s.n. Riverside 15 mi. W of Blythe. Comment
  SD83584  Hoffmannseggia microphylla R. Mitchel Beauchamp 1970-11-15 1389 Riverside Dry desert wash 7 miles east of Mecca 89 Comment
  SD193231  Holocarpha virgata subsp. elongata A. C. Sanders, Kelly Volansky 2005-8-31 31599 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek, ca. 0.5 mile north of Tenaja Rd. 671 Comment
  UCR75556  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  JOTR35205  Hordeum murinum subsp. glaucum Harding, Mitzi, Tasya Herskovitz 2011-4-28 182 Riverside Joshua Tree National Park. Barker Dam, approx. 200m from trail head 1304 Comment
  RSA688909  Hordeum murinum subsp. glaucum Scott D. White 2001-4-18 8354 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UC1605424  Hordeum murinum subsp. murinum Steve Boyd 1986-4-2 1619 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. Steele Park 7.5' Quad. Comment
  UC1051653  Horkelia clevelandii Peter Kamb 1950-7-9 1906 Riverside San Jacinto Mountains, Hall Canyon 1645 Comment
  RSA0018951  Horkelia clevelandii H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA0018953  Horkelia clevelandii Elbert Benjamine 1929-5-18 225 Riverside Mt. San Jacinto. 1220 Comment
  POM193759  Horsfordia alata Marjorie D. Clary 1930-4-25 s.n. Riverside Coachella Valley about sea level Comment
  UCR114629  Hulsea vestita subsp. callicarpha G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UCR201643  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  JOTR01267  Hulsea vestita subsp. parryi Cole, James E. 1941-5-30 831 A Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  UC1349027  Hydrocotyle ranunculoides Lathrop and Thorne 1967-9-26 6635 Riverside 6 mi. n.w. Murrieta Comment
  RSA696759  Hymenoclea salsola J. R. Bruff 1928-4-1 80 Riverside Whitewater Comment
  UCR85286  Hymenoclea salsola Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  RSA761283  Hymenoclea salsola var. salsola Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-21 150 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  RSA496137  Hypochaeris glabra Steve Boyd 1989-3-19 3024 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA586325  Hypochaeris glabra D. L. Banks, S. D. Boyd 1995-5-3 0190 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA0112096  Hyptis emoryi Duncan S. Bell, Amanda Turek 2010-1-30 537 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on the west side of the range. 434 Comment
  RSA171143  Hyptis emoryi Robert F. Thorne 1963-3-29 32429 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA608060  Hyptis emoryi Louis C. Wheeler 1931-2-7 s.n. Riverside Palm Springs. Comment
  UC883108  Hyptis emoryi Lewis S. Rose 1935-12-18 35656 Riverside Tahquitz Canyon Palm Springs (Colorado Desert); , , Palm Springs 182 Comment
  UCR247349  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside Sonoran (Colorado) Desert, Coachella Valley, south side of Ave. 60, 0.2 mi. east of Jackson St., c. 6 miles south of Indio -28 Comment
  RSA674592  Isocoma menziesii Scott D. White 2000-5-5 7773 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UC898140  Iva axillaris subsp. robustior I. M. Johnston 1918-5-30 2014 Riverside Temescal Canyon 365 Comment
  RSA499249  Ivesia santolinoides E. C. Jaeger s.n. Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  CLARK-A1045-339  Jepsonia parryi George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  RSA781322  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  POM14372  Juncus bufonius Phillip A. Munz 1922-5-5 5160 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  UCR110922  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR222304  Juncus bufonius R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55214 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA612958  Juncus bufonius var. occidentalis Darin L. Banks 1997-3-29 1627 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
  UCR24961  Juncus macrophyllus A. C. Sanders 1980-7-22 1714 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  UCR98899  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA263804  Juncus rugulosus George E. Johnson 1975-6-26 7 Riverside Mesa de Burro, 3.0 miles west of Murrieta. Santa Rosa Plateau. 610 Comment
  JEPS63873  Juncus textilis unknown Riverside Coahuilla Valley region Coahuilla Valley Comment
  UCR37449  Juncus textilis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  SEINET3220925 Image available Juncus xiphioides B. Pitzer 1986-5-24 236 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi. N of hatchery boundary. Whitewater 7.5' quad. 732 Comment
  RSA296170  Juniperus californica B. A. Prigge 1980-8-5 3870 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
  SD229041  Juniperus californica Dick Schwenkmeyer 2013-6-11 910 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  RSA398811  Justicia californica H. de Forest 1929-3-16 14170 Riverside Painted Canyon near Mecca Comment
  SEINET10972716  Justicia californica Rose 1935-12-19 Rose 35669 Riverside Palm Springs, desert wash. 138 Comment
  RSA813291  Kallstroemia californica Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 37 Riverside Sonoran Basin and Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). Comment
  SD255293  Kallstroemia californica Sarah J. De Groot, Amy Rouillard 2015-9-15 7572 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. Mud flat at south edge of dry lake bed. 106 Comment
  SEINET3071822  Kallstroemia californica Marc A. Baker, Michelle Cloud-Hughes 2011-12-18 17503 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  UCR242295  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40414 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 2.9 km (1.8 mi.) west of I-10 junction 120 Comment
  RSA221035  Keckiella antirrhinoides E. W. Lathrop 1966-3-23 6075 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  UCR125197  Keckiella antirrhinoides Mitch Provance 1998-5-29 559 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  RSA293257  Keckiella antirrhinoides subsp. antirrhinoides D. C. Michener 1981-5-15 3925 Riverside Palomar Mtns. Dripping Springs just north of the Agua Tibia Wilderness Area and East of the forest service station and campground. 152 Comment
  SD152748  Keckiella antirrhinoides var. antirrhinoides Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7360 Riverside San Mateo Wilderness Area; San Mateo Canyon, along stream about the confluence with Los Alamos Canyon, near junction of Tenaja Road (7S01) and Los Alamos Road (7S04) 395 Comment
  UC1979653  Keckiella antirrhinoides var. antirrhinoides Steve Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 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
  CAS-BOT-BC235775  Keckiella cordifolia J. T. Howell 1928-7-8 1055 Riverside Santa Ana Mts. above Glen Ivy 1066 Comment
  JEPS11220  Keckiella ternata W. L. Jepson 1903-8-3 2258 Riverside Idyllwild; San Jacinto Mt. 1524 Comment
Read comments
Aug 21 2011
  RSA180390  Koeleria macrantha E. W. Lathrop 1965-5-18 5761 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  RSA561076  Koeleria macrantha Steve Boyd, O. Mitsretta 1992-4-22 7003 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA740950  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-19 12271 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA85408  Koeleria macrantha J. C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  UCR2493  Koeleria macrantha F. M. Reed 1932-7-2 7294 Riverside San Jacinto Mountains, Camp Emerson, Idyllwild 1524 Comment
  CAS-BOT-BC61428  Krameria bicolor E. H. Daniels; J. Bates 1932-6-5 s.n Riverside Palm Springs, Colorado Desert 137 Comment
  CAS-BOT-BC61435  Krameria bicolor Carl B. Wolf 1932-4-29 3099 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  CAS-BOT-BC43702  Krameria erecta L. R. Abrams 1926-3-26 11104 Riverside Between Edom and Garnet east of San Gargonio Pass Comment
  RSA608171  Krameria erecta Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10056 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UC449697  Krameria grayi E. E. Schellenger 1911-4-25 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs Comment
  RSA0125181  Lactuca serriola Duncan S. Bell 2016-10-27 10205 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA510312  Lactuca serriola Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UC485370  Laennecia coulteri F. M. Reed 1907-10-6 1971 Riverside Sheep ranch at head of Mockingbird Canyon, at crossing of Elsinore Road, foothills SE of Riverside 426 Comment
Read comments
Oct 6 2017
  SEINET3221824 Image available Lamarckia aurea Howard Gentry, Bruce Gentry 1973-4-16 23192 Riverside Gentry Ranch, 3.5 mi NE of Murrieta. 396 Comment
  UC1537246  Lamarckia aurea Gordon H. True Jr. 1935-3-11 75 Riverside Box Springs 365 Comment
  UCR2508  Lamarckia aurea F. M. Reed 1926-3-10 5270 Riverside Riverside 229 Comment
  UCR247428  Lamium amplexicaule Mike Lahti 2008-3-10 s.n. Riverside San Jacinto, 950 N. Ramona Blvd. Comment
  JEPS69831  Langloisia setosissima subsp. setosissima Mary Beal 1941-4-6 859 Riverside Painted Canyon, Mecca Hills Colorado Desert, Mecca Hills, Painted Canyon Comment
  CLARK-A1656-877  Larrea tridentata Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  LA209864  Larrea tridentata James Lauter; 1953-5-23 sn Riverside 3 mi S of Vandeventer Flat on US Hwy 74 914 Comment
Read comments
Mar 13 2014
  POM7118  Larrea tridentata Philip A. Munz, L. T. Street 1919-3-25 2306 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA165173  Larrea tridentata Mark Parratt 1962-2-24 110 Riverside E side of road in cathedral city. Colorado desert edge. Drainage area: Salton Sea. 152 Comment
  UCR100085  Larrea tridentata R. G. Swinney 1967-2-4 158 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR165829  Larrea tridentata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  SEINET10406508 Image available Larrea tridentata G. B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  RSA387370  Lastarriaea coriacea Steve Boyd 1986-4-19 1697 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  RSA543159  Lasthenia coronaria Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6089 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC1536903  Lasthenia coronaria G. H. True 1935-3-11 70 Riverside Sycamore Canyon Box springs 365 Comment
  UCR202227  Lasthenia gracilis Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  UCR85534  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  PASA1050  Lathyrus alefeldii Frank W. Peirson 1922-4-28 Riverside Leach canyon, Elsinore Region 548 Comment
  SD224958  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to toll Rd. Cyn.).A few plants at terminus of Marion Ridge Rd, near radio facility, in open forest. 1700 Comment
  UC1929624  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 B Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  RSA25609  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1941-6-29 10925 Riverside 2 4/10 mi. W of Dripping Springs Forest Service Camp on Rd. between Aguanga & Temecula. 457 Comment
  RSA506435  Lathyrus vestitus subsp. vestitus Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  OBI40933  Lathyrus vestitus var. alefeldii Jennifer Lyman 1981-5-16 s.n. Riverside San Jacinto Mts. May Valley rd, Idyllwild. USFS San Jacinto Mtn R2.5E-T5S 1768 Comment
  UCR89878  Lathyrus vestitus var. vestitus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3339 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
  JOTR16604  Layia glandulosa Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT 1645 Comment
  POM361635  Layia glandulosa Ora M. Clark 1929-3-16 1696 Riverside South of Cabazon. Comment
  UCR281278  Layia platyglossa Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 21 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA12917  Layia platyglossa subsp. campestris C. B. Wolf 1935-4-7 6307 Riverside 2 mi. SW of Perris. 427 Comment
  RSA525684  Layia platyglossa subsp. campestris Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4554 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR79070  Leersia oryzoides A. C. Sanders 1993-10-29 14216 Riverside Spring Brook just below Lake Evans in Fairmont Park, Riverside 238 Comment
  RSA234095  Lemna gibba Robert F. Thorne, E. W. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA588600  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 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 to the E, just W of the Metasedimentary hills. 524 Comment
  POM308636  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3213 Riverside Between Blythe and Desert Center. Comment
  UCR260254  Lepidium fremontii A. C. Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCSB2386  Lepidium fremontii Bobkowski, Vincent 1960-4-2 Riverside 60 yards south of Southern Entrance to Joshua Tree National Monument; off U.S. 60-70 (near intersection of 60-70 with Calif. 195) Comment
  JOTR35505  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3193 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  POM134  Lepidium lasiocarpum var. lasiocarpum Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA737350  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR121785  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24047 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  CLARK-A1528-2326  Lepidium nitidum John C. Roos 1937-2-21 1313 Riverside La Sierra Comment
  UCR199709  Lepidium nitidum Justin M. Wood 2008-2-4 03 Riverside Santa Ana Mountains, Liberty Quarry, west of fwy 15 near the Rainbow exit 701 Comment
  UCR241768  Lepidium strictum A. C. Sanders 2013-4-9 40785 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., near intersection of McLaughlin and Dawson Rd., SE of Perris 439 Comment
  CLARK-A1045-92  Lepidium virginicum var. pubescens George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains originally ""at Deer Spring""; Lake Fulmor 7.5'Q Comment
  RSA613126  Lepidium virginicum var. robinsonii D. L. Banks 1997-3-6 1396 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  CAS-BOT-BC329445  Lepidospartum squamatum Carl B. Wolf 1932-10-12 4298 Riverside In canyon at Pinyon Wells, Little San Bernardino Mts. (Conchilla Mts.). 1219 Comment
  CLARK-A1528-2172  Lepidospartum squamatum John C. Roos 1963-11-15 Riverside Coachella Valley upper end of valley, Colorado Desert; in a rocky wash; ; Whitewater 7.5'Q 426 Comment
  UCR113551  Lepidospartum squamatum Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1754 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  CLARK-A1656-705  Lepidospartum squamatum var. palmeri Theo Glenn 1980-10-22 Riverside Snow Creek 335 Comment
  RSA0087455  Leptochloa panicea subsp. brachiata Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 A Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  JEPS69870  Leptodactylon pungens W. L. Jepson 1914-5-18 6003 Riverside Pinion Well Canyon n Indio (Mts. of the Pinion Well); , Pinion Well Canyon 762 Comment
  POM364532  Leptosiphon ciliatus Christopher Davidson 1975-6-16 2818 Riverside 2 miles N of Alandale station on road R1 from Idyllwild to Banning. 1646 Comment
  POM364534  Leptosiphon ciliatus Elbert Benjamine 1929-5-18 227 Riverside Wooded Mesa. 915 Comment
  CAS-BOT-BC227046  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  UCR280621  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 09 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  CAS-BOT-BC339359  Lessingia glandulifera var. glandulifera Winifern W. Swarth 1914-9-10 s.n. Riverside Strawberry Valley (6000 ft.), San Jacinto Mts. 1828 Comment
  UCR213683  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  CAS-BOT-BC283713  Leymus condensatus Peter H. Raven; Sidney R. Snow 1956-6-30 9533 Riverside Dripping Springs Guard Station, Temecula River Comment
  UCD64300  Leymus condensatus R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  CAS-BOT-BC451631  Lilaea scilloides James R. Shevock 1975-4-28 4225 Riverside At Mesa de Burro, Santa Rosa Plateau. Santa Ana Mountains. 762 Comment
  RSA286789  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: N base of Mesa de Colorado 610 Comment
  RSA515325  Lilaea scilloides Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro, and NW of Mesa de la Punta. 610 Comment
  SEINET3887043  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Tenaja Road and road to ranch head-quarters.; 0 610 Comment
  POM12754  Lilium parryi Philip A. Munz 1922-7-7 6066 Riverside Meadow N of Tahquitz Valley. San Jacinto Mountains. 2226 Comment
  UCR234281  Limonium sinuatum A. C. Sanders 2012-4-12 40029 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  CLARK-A1528-719  Linanthus androsaceus subsp. micranthus C. M. Flanagan 1973-5-12 Riverside Morongo Indian Reservation 1188 Comment
  RSA20306  Linanthus aureus Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9528 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  JOTR34072  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2968 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  POM10462  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1895-3-1 305 Riverside Riverside Cal. Comment
  RSA523487  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-30 3947 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  RSA585514  Linaria canadensis D. L. Banks, Steve D. Boyd 1995-5-9 376 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  UCR91407  Linaria canadensis Scott D. White 1995-4-5 2743 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR174436  Linaria canadensis var. texana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32485 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
  UCR182995  Linaria canadensis var. texana Mitch Provance 2003-5-5 4402 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SEINET7073481  Loeflingia squarrosa A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  CHSC1264  Loeseliastrum schottii F. Hughes 1935-4-16 Riverside Colorado desert. Comment
  SD4015  Loeseliastrum schottii Fidella G. Woodcock 1926-3-15 Riverside Palm Springs Comment
  RSA0123282  Logfia arizonica Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8995 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
  UCR58851  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3207 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  UCR63514  Logfia filaginoides Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UCR91674  Logfia filaginoides Steve Boyd 1995-4-5 8423 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  RSA651782  Lolium perenne subsp. multiflorum Karen Cook 1966-5-19 s.n. Riverside UCR campus; east entrance to Life Sci. Bldg. and 30 yds N. of it. 304 Comment
  SEINET1869746  Lolium rigidum Walter Graves 2002-1 502 -15 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  UCR199939  Lolium rigidum Scott D. White, Justin Wood 2008-5-13 11951 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  POM305708  Lomatium lucidum Anonymous, Henry J. Ramsey 1939-4-22 1031 Riverside Hemet-Anza, Bautista Creek Rd. Comment
  JOTR34206  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2998 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  SEINET7063052  Lomatium utriculatum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  POM13767  Lomatium vaginatum P. A. Munz 1922-4-29 5094 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  POM157935  Lomatium vaginatum P. A. Munz 1927-5-21 10834 Riverside Coahuila Valley. Comment
  RSA359520  Lomatium vaginatum Steve Boyd 1986-3-9 1381 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  SDSU13328  Lonicera subspicata var. denudata Ryan Jacobson, Jeremy Mass 2000-4-19 11 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  RSA688857  Lotus argophyllus subsp. decorus Scott D. White, Michael Honer 2003-5-13 9248 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SEINET7073452  Lotus argophyllus var. argenteus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA792747  Lotus argyraeus Robert F. Thorne 1995-3-29 63033 Riverside White Water Canyon. 600 Comment
  RSA483573  Lotus crassifolius D. Charlton 1988-5-21 1970 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  RSA5428  Lotus crassifolius Carl B. Wolf 1932-8-4 1540 Riverside Point View near Idyllwild. 1646 Comment
  UCR158714  Lotus hamatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30003 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
  UCR171728  Lotus hamatus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR174444  Lotus hamatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32509 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR78446  Lotus hamatus Scott D. White 1993-4-22 1250 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR178199  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 649 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  JEPS29485  Lotus rigidus Lauramay T. Dempster 1962-4-18 1897 Riverside Palms-to-Pines Highway Pinyon Flats 1066 Comment
  UC864873  Lotus rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwood Springs Comment
  CSUSB1267  Lotus scoparius Ray O. Perez 1955-5-5 Riverside shady bank 200 yards east of life science building (UCR campus) Comment
  UCR177842  Lotus scoparius subsp. brevialatus Marisa Sripracha, K. A. Boyd 2004-3-22 067 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR250883  Lotus scoparius subsp. brevialatus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1052 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  RSA182340  Lotus scoparius var. brevialatus J. D. Olmsted 1962-5-1 3430 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  UC864923  Lotus strigosus Carl B. Wolf 1932-4-27 Riverside 24 mi w Blythe (on Mecca road); Colorado desert, Chuckwalla Valley 121 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
  POM28287  Lotus strigosus var. strigosus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA560357  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6915 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA487422  Lotus unifoliolatus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA644185  Lupinus arizonicus George K. Helmkamp 1995-3-16 s.n. Riverside Colorado Desert: below rocky slopes of Coxcomb Mtns., W of Rice Rd., 10.3 miles NE of Desert Center. 200 Comment
  SD48478  Lupinus arizonicus E. K. Balls, P. C. Everett 1958-3-20 22937 Riverside South base of Eagle Mountains, US Hwy 60/70 366 Comment
  UCD105758  Lupinus arizonicus P. C. Everett; E. K. Balls 1958-4-29 23019 Riverside along U.S. Hwy 60/70, Indio to Blythe. 502 Comment
  UCR2956  Lupinus arizonicus D. L. Flaherty 1963-3-21 113 Riverside Sonoran Desert, Coachella Valley, 1000 yards west of the intersection of Hwy 74 and Bursera Way in Palm Desert. 128 Comment
  SD51696  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2.0 miles west of Corona. Comment
  SEINET7063242 Image available Lupinus bicolor A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UCR104024  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR154762  Lupinus bicolor T. B. Salvato, Kent Beaman 2005-5-16 789 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
  UCR173150  Lupinus bicolor Abby Sirulnik 2000-4-25 18 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR241943  Lupinus bicolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40742 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA550025  Lupinus bicolor subsp. microphyllus Walter Wisura 1992-4-10 4672 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  JEPS65056  Lupinus concinnus Marjorie Clary 1930-4-10 8 Riverside Devils Canyon 91 Comment
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Jan 8 2017
  POM307239  Lupinus concinnus subsp. optatus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2109 Riverside Santa Rosa Mountains. Comment
  RSA407142  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA407144  Lupinus concinnus subsp. orcuttii N. C. Cooper 1944-4-22 2634 Riverside Banning. 732 Comment
  CAS-BOT-BC216703  Lupinus excubitus var. excubitus John Thomas Howell 1931-6-4 6642 Riverside Summit of Jackrabbit Trail Comment
  RSA586106  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-4-5 0146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  UC729971  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-25 3687 Riverside n Banning (Gilman Ranch in the foothills, in small canyon); foothills n of Banning 853 Comment
  RSA34554  Lupinus formosus N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA630294  Lupinus formosus var. formosus R. S. Woglum 1941-5-17 3059 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. Comment
  RSA751630  Lupinus hirsutissimus G. Gust, L. Nye 2005-3-11 542 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCR79236  Lupinus longifolius Steve Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  RSA6086  Lupinus pallidus Carl B. Wolf 1932-5-25 3669 Riverside San Jacinto Mountains. 1/2 mile below Fish Hatchery, lower edge of upper Sonoran zone, Snow Creek, north base of mountains. 549 Comment
  JOTR30920  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  SEINET4035668  Lupinus sparsiflorus O. M. Clark 1929-1 112 Riverside South Cabezon. Comment
  UCR270578  Lupinus sparsiflorus John F. Emmel 1998-4-11 1540 Riverside Peninsular Range, NW of Wilson Valley, c. 1.5 air miles SE of intersection of Sage Road and Wilson Valley Road 732 Comment
  SEINET10903506  Lupinus sparsiflorus Robert F. Thorne 1983-4-23 Thorne 55500 Riverside San bernardino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca 4 mi n of whitewater post office. Comment by d.b. Dunn (1984): area of Intergradation from ssp. Sparsiflorus to ssp. Mohavensis. One specimen closer To one and the other closer to the other. Erect, blue-flowered annual. 640 Comment
  POM24047  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA414342  Lupinus succulentus N. C. Cooper 1949-3-18 3164 Riverside Elsinore. 457 Comment
  CLARK-A1656-835  Lupinus truncatus Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  UCR97448  Lupinus truncatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19867 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA698616  Lycium J. R. Bruff 1927-11-26 37 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  CAS-BOT-BC231414  Lycium andersonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9552 Riverside Cottonwood Springs Canyon Comment
  SEINET839661  Lycium andersonii Bern Schwenn 1998-1 Riverside South slope of Eagle Mtns: Hayfield 'Cove', a wide cyn mouth ca. 2.5 miles (airline) ENE of Hayfield Pumping Station & 0.75 miles SE of Hayfield Spring 544 Comment
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  UC1286996  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside about 5 mi ne Aguanga Comment
  UCR233156A  Lycium andersonii Jim Andre, Glenn L. Clifton 2011-2-22 17454 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR51932  Lycium andersonii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth 1988-3-10 2178 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  RSA428584  Lycium brevipes var. brevipes Louis C. Wheeler 1931-11-26 384 Riverside 1/4 mi. SW Salton BM. Sea level. Comment
  RSA428846  Lycium cooperi Christopher Davidson 1973-4-19 1985 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA788559  Lycium cooperi Duncan S. Bell 2012-3-8 3145 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UC68699  Lycium cooperi H. M. Hall May 1905 6031 Riverside Eagle Mt. Colorado Desert 975 Comment
  JEPS45976  Lythrum californicum S. B. Parish 1897-5-31 4395 Riverside Elsinore Lake 396 Comment
  RSA0125107  Lythrum californicum Duncan S. Bell 2016-10-27 10216 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR121335  Machaeranthera asteroides A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25036 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA0107901  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Thomas Stoughton 2010-3-19 575 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  RSA543840  Madia exigua Steve Boyd, Orlando Mistretta 1991-5-22 6305 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR231744  Malacothamnus fasciculatus John F. Green 2008-4-23 08- 11 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UC303548  Malacothamnus fasciculatus var. fasciculatus I. M. Johnston 1918-5-30 2024 Riverside Temescal Canyon 335 Comment
  CAS-BOT-BC345286  Malacothrix californica Marian L. Campbell 1921-3-19 17 Riverside Palm Springs Comment
  UCR167466  Malacothrix glabrata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR214702  Malacothrix glabrata A. C. Sanders 2010-3-23 37538 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SEINET6810921  Malacothrix glabrata Davis 1957-4-7 34 -57 Riverside 1.1 mi N of on road to Salton Sea Indian Ave; Indian Ave; 1.1 mi N of on road to Salton Sea Comment
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 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. Comment
  UCR282414  Malacothrix saxatilis var. tenuifolia Mitch Provance 2009-7-1 709- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  RSA678946  Malus sylvestris Scott D. White, Michael Honer 2003-6-3 9490 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CAS-BOT-BC421493  Malva parviflora L. Nye; G. Gust 2005-3-11 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR25194  Malva parviflora John C. Roos, L. Roos 1951-5-5 5034 Riverside Fairmont Park. 274 Comment
  RSA191433  Malvella leprosa E. W. Lathrop, Thorne 1967-9-26 6639 Riverside 4 mi NW of Murrieta Comment
  RSA675798  Malvella leprosa Scott D. White 2001-7-9 8721 Riverside Menifee: 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  RSA771758  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4635 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC111315  Marah macrocarpa S. B. Parish 1907-4-18 6127 Riverside w edge Colorado Desert (type station); West Canyon 200 Comment
  JOTR28792  Marina parryi La Doux, Tasha 2005-3-30 1061 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA699192  Marina parryi J. R. Bruff 1928-4-5 205 Riverside Between Wiley Well and Beals Well. Comment
  UCR72171  Marina parryi Theo Glenn 1991-5-7 91- 94 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  SD187430  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UC1979543  Marrubium vulgare Darin L. Banks, Steve Boyd 1995-5-3 230 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR176680  Marrubium vulgare G. S. Nuessly 1980-10-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR22154  Matelea parvifolia J. Zabriskie 1976-6-2 850 Riverside Peninsular Range, Santa Rosa Mtns, along Cactus Springs Trail near Horsethief Creek 1009 Comment
  CAS-BOT-BC465567  Matricaria occidentalis R. E. Riefner, Jr. 2015-4-3 15 -110 Riverside City of Menifee, Haun Rd. at Holland Rd. 446 Comment
  RSA714659  Matricaria occidentalis A. C. Sanders, Guy Bruyea 2004-4-2 27420 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  LA206252  Meconella denticulata W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  SD137762  Medicago polymorpha Darin L. Banks, Steve Boyd 1995-5-3 259 Riverside Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 512 Comment
  UCR280826  Medicago polymorpha T. B. Salvato, Gregg Miller 2005-6-3 1365 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  CSUSB1091  Medicago sativa J. Jacobi 1970-5-18 0518 1 Riverside Found in empty lot between Ottowa and Chicago Streets on Seventh Street. 304 Comment
  RSA652934  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  UCR234276  Melia azedarach A. C. Sanders 2012-4-12 40020 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 315 Comment
  RSA660487  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  SBBG122770  Melica frutescens A. Parikh 1990-5-8 164 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1 km E of Old Elsinore Rd 518 Comment
  UCR112402  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 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
  POM114751  Melica imperfecta Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR139031  Melica imperfecta D. L. Banks 1997-3-29 1635 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR24053  Melica imperfecta John C. Roos 1950-4-22 4754 Riverside Summit of Reche Canyon. 0.5 mi NE of the summit 793 Comment
  UCR156290  Melilotus indicus T. B. Salvato, Kent Beaman 2005-5-16 834 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
  UCR279332  Mentzelia A. C. Sanders, Jim Malusa 2017-3-23 42913 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
  JOTR34058  Mentzelia albicaulis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2956 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA0107459  Mentzelia albicaulis Duncan S. Bell, Amanda Turek 2009-3-29 148 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA0019475  Mentzelia involucrata Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24389 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA747985  Mentzelia involucrata Scott D. White, Justin M. Wood 2009-4-29 12620 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC872489  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside ca 100 yards e Spring; Cottonwood Canyon Comment
  UCR86862  Mentzelia involucrata A. C. Sanders, K. C. Rose 1995-4-27 16730 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCSB37940  Mentzelia involucrata Carlson, B. 1978-3-24 Riverside East of Desert Hot Springs, Berdoo Cyn Rd., 7.7 mi. N. of Dillon Rd., 10m from road edge Comment
  POM306697  Mentzelia longiloba var. longiloba Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1685 Riverside West of blythe. Comment
  SD60947  Mentzelia longiloba var. longiloba Darley F. Howe 1964-4-13 3762 Riverside 3.3 mi east of Riverside-San Bernardino Co. line. 244 Comment
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Mar 31 2014
  SEINET4560761  Mercurialis annua O. F. Clarke 2011-1 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 365 Comment
  CAS-BOT-BC435296  Mesembryanthemum nodiflorum A. C. Sanders; Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region: Winchester, SW edge of town between Simpson Ave. and Olive Ave., ca. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR114305  Mesembryanthemum nodiflorum Julie A. Greene 1993-4-30 1261 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  RSA180424  Micropus californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta. Comment
  UCR56701  Micropus californicus var. californicus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, just west of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue 610 Comment
  UCR57140  Micropus californicus var. californicus Jeri Hirshberg 1989-4-18 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, south of Mesa de Burro and NW of Mesa de la Punta 610 Comment
  UCR189562  Microseris douglasii subsp. platycarpha Theresa Johnson 2006-5-2 069 Riverside Peninsular Range, Aguanga Basin, north shore Lake Skinner, c. 100m west of road at base of Bachelor Mountain 447 Comment
  UCR246588  Microseris douglasii subsp. platycarpha A. C. Sanders 2012-3-22 39989 Riverside Peninsular Range; ElsinoreValley, Baker St., N edge of city of Lake Elsinore 412 Comment
  SDSU13959  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA0018771  Mimetanthe pilosa Philip A. Munz 1922-6-30 5913 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA0018773  Mimetanthe pilosa Gary D. Wallace 2003-7-8 4035 Riverside Hidden Lake. Comment
  UCR199565  Mimulus aurantiacus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA0030784  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-7-15 1554 Riverside Palms to Pine Hwy 1463 Comment
  RSA0036465  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 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. 1308 Comment
  RSA192316  Mimulus aurantiacus var. pubescens H. A. Zuill 1966-3-20 96 Riverside About 2 mi. WSW of Murrieta. Comment
  RSA519233  Mimulus aurantiacus var. pubescens Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA550792  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1069 Riverside 3.3 mi. N of Lakeview (at Ramona Expressway) along Davis Rd. ; 308 rd. mi. S of Hwy 60 485 Comment
  UCR116516  Mimulus aurantiacus var. pubescens Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  JEPS15209  Mimulus aurantiacus var. puniceus A. Lewis May 1934 409 Riverside San Juan Canyon Cleveland National Forest, Corona Quadrangle Comment
  POM8578A  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2280 Riverside Butte west of Lakeview. 610 Comment
  RSA442709  Mimulus aurantiacus var. puniceus E. Crow 1929-4-21 342 Riverside Hills west of Lake elsinore Comment
  UCR174260  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32675 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., near stream crossing of dirt road 549 Comment
  UCR251705  Mimulus aurantiacus var. puniceus T. B. Salvato, Mike Landers 2013-3-21 7412 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  UCR50392  Mimulus aurantiacus var. puniceus L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  RSA305911  Mimulus bigelovii var. bigelovii Fay A. MacFadden 1940-3-17 15294 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  RSA160450  Mimulus bigelovii var. bigelovii John Olmsted 1958-3-30 95 Riverside at foot of first mountains north of southern entrance to Joshua Tree National Monument wth southern drainage toward the Salton Sea. Coloroaso desert Transitionzone. Comment
  POM229460  Mimulus diffusus P. A. Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  UCR217640  Mimulus diffusus Jeff B. Galvin 2010-6-26 121 Riverside Santa Ana Mountains, Ridge between Bedford Canyon and McBride Canyon, 50 m northwest of road, Bedford Motorway, on steep northwest-facing slope 839 Comment
  UCR110924  Mimulus fremontii A. C. Sanders, Mitch Provance 1998-6-18 21985 Riverside Peninsular Range; San Jacinto Mtns., along Hwy 243 between Pine Cove and Stone Creek, c. 1 km north of Pine Cove 1860 Comment
  RSA80440  Mimulus fremontii var. fremontii F. W. Peirson 1920-6-22 4723 Riverside Temescal canyon, western Riverside Co. 305 Comment
  CSUSB889  Mimulus guttatus R. D. Keys 1973-5-13 Riverside Box Springs Mountains Pigeon Pass Road, 1 mile above Riverside dump, 100 feet south of road along spring, in the Box Springs Mountains. 304 Comment
  HSC79248  Mimulus guttatus G. K. Helmkamp 1984-5-2 - 31 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  UCR174626  Mimulus guttatus Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  POM10954  Mimulus latidens P. A. Munz, I. M. Johnston 1922-5-19 5378 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA585512  Mimulus palmeri D. L. Banks, S. D. Boyd 1995-5-9 373 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  UC1518762  Mimulus pilosus Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38098 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  UCR216246  Mimulus pilosus Oleg Pryadko 2008-5-2 087 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR72435  Mimulus pilosus Steve Morgan, H. M. Soldan 1992-5-25 92 3 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  UC489213  Mimulus tilingii C. V. Meyer 1928-7-31 598 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  UCR37618  Mirabilis bigelovii George K. Helmkamp 1984-5-2 D 24 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  CAS-BOT-BC434677  Mirabilis laevis var. crassifolia A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19886 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  POM293182  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12024 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  POM293184  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12022 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  SD247675  Mirabilis laevis var. crassifolia J. Mark Porter, Lauren E. Machen 1997-2-15 11420 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SDSU12952  Mirabilis laevis var. crassifolia Jutta Buschbom 41 Riverside Comment
  SEINET3142104  Mirabilis laevis var. crassifolia P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon, 2 mi N of Banning - Indio blvd. Comment
  CAS-BOT-BC434817  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside Whitewater, Western base of the Colorado Desert 109 Comment
  CAS-BOT-BC434823  Mirabilis laevis var. retrorsa Roxana S. Ferris 1918-6-12 938 Riverside 5 mi south of Lancaster Comment
  CAS-BOT-BC434832  Mirabilis laevis var. retrorsa Joy Keck 1935-4-15 3841 Riverside Lower Morongo Canyon 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
  SEINET3142120  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western base of Colorado desert 360 Comment
  SEINET3142544  Mirabilis laevis var. retrorsa I. Johnston 1917-4-4 19804 Riverside Palm Canyon 305 Comment
  RSA0112090  Mirabilis laevis var. villosa Duncan S. Bell 2010-2-21 546 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  CHSC1081  Mirabilis tenuiloba V. Holt 1942-3-27 Riverside Santa Rosa mountains. Comment
  RSA522320  Modiola caroliniana Steve Boyd 1989-7-28 3790 Riverside City of Riverside, campus of the University of California, Riverside.near N entrance to parking lot across from The Barn Comment
  POM182069  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UC673537  Mohavea confertiflora Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Painted Canyon; Colorado Desert, Painted Canyon Comment
  UCR25379  Mohavea confertiflora John C. Roos 1949-3-26 4126 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash [= Box Canyon], east of Mecca 61 Comment
  UCR251724  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 58 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  RSA518903  Monardella lanceolata B. Pitzer 1988-7-1 1483 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  JOTR30271  Monardella linoides subsp. linoides Leary, Pat, Cari Leary 1987-5-9 3813 Riverside Joshua Tree National Park. 1.0 km south of Jumbo rocks campground, T2S R9E sec20 [UTMs estimated, January 2010] Comment
  LA62720  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  RSA750413  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt. 0.6 miles above Pines to Palms Highway. Comment
  UCR23123  Monardella nana subsp. arida Jeanine Derby 1978-6-9 s.n. Riverside Santa Jacinto Mtns, [upper Bull Canyon] on FS Rd. 7S13 Comment
  RSA750300  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of the saw mill at Domengonio Flats. Comment
  RSA750419  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 52 Riverside 5.75 miles from the Anza Monument turn off. Comment
  SEINET10582076  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 40 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  UCR72207  Monoptilon bellioides Theo Glenn 1992-3-31 92- 15 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA13775  Muhlenbergia asperifolia L. C. Wheeler 1933-12-2 2313 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  UC573975  Muhlenbergia asperifolia H. S. Yates 1936-8-28 6370 Riverside 3 mi nw San Jacinto; San Jacinto Quadrangle Comment
  RSA524400  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4101 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
  UCD86836  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR2567  Muhlenbergia rigens F. M. Reed 1928-7-11 7491 Riverside San Jacinto Mtns., Camp Emerson, Strawberry Valley (near Idyllwild) 1677 Comment
  RSA678948  Muilla maritima Scott D. White, Michael Honer 2003-6-3 9492 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA346261  Nama demissa Robert F. Thorne, C. W. Tilforth, L. M. Shultz, Elbert Benjamine, J. Hogge 1980-4-16 54047 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA421102  Nama demissa M. B. Dunkle 1933-3-5 3074 Riverside Palm Springs. Colorado Desert. 152 Comment
  RSA421104  Nama demissa N. C. Cooper 1949-4-8 3299 Riverside Desert Center. 610 Comment
  RSA676162  Nama demissa Scott D. White 2001-4-3 8240 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SJSU8663  Nama demissa R. C. McGehee 1970-4-16 207 Riverside between Wileys Well & Nyland near E end Chocolate Mts 609 Comment
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Apr 2 2017
  UCR130123  Nama demissa Scott D. White 2001-4-3 8240 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR20772  Nama demissa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1316 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA27045  Nama hispida var. spathulata C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin. Comment
  NY1082244  Nama hispidum var. spathulatum N. H. Holmgren 1973-3-21 6451 Riverside Blythe-Rice road, 17 airline miles north-northwest of Blythe 259 Comment
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Mar 3 2013
  RSA263802  Navarretia fossalis George E. Johnston, E. W. Lathrop 1975-6-13 4 Riverside Mesa de Burro, 3 mi west of Murietta. Santa Rosa Plateau. 609 Comment
  RSA751394  Navarretia fossalis R. E. Riefner Jr. 2003-9-26 03 -378 Riverside Wildomar, approx. 1 mile E of I-15 along Clinton Keith Rd. in vicinity of Smith Ranch Rd. 427 Comment
  UCR279517  Nemacladus A. C. Sanders, Jim Malusa 2017-3-27 43103 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  HSC85393  Nemacladus longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  UC416792  Nemacladus longiflorus var. longiflorus Fred M. Reed 1907-5-26 1367 Riverside n of Rubidoux Mt. (San Ana River banks, Riverside and vicinity); Riverside, Santa Ana River Comment
  UC64329  Nemacladus longiflorus var. longiflorus H. M. Hall Jun 1897 661 Riverside Onstatt's Valley; San Jacinto Mts. Comment
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Nov 24 2012
  RSA0126318  Nemacladus longiflorus var. longiflorus G. R. Campbell 1951-5-30 16133 Riverside 9 miles west of Anza. 1067 Comment
  RSA0112640  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  RSA10259B  Nemacladus ramosissimus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  RSA407740  Nemacladus ramosissimus Steve Boyd 1986-5-1 1800 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR44436  Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  POM97114  Nemacladus ramosissimus P. A. Munz 1925-5-20 9840 Riverside 2 miles W of Dripping Spring. 427 Comment
  PASA307  Nemacladus rigidus Frank W. Peirson 1928-4-24 Riverside Cottonwood Spring, 1/2 mile below spring in broad sandy wash Comment
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Jun 24 2016
  SEINET10873457  Nemacladus rubescens Mcneal 1979-4-20 MCNEAL 2209 Riverside Flash flood wash parallel to Highway 195, 9.9 miles southwest of its junction with Interstate 10 Comment
  SEINET10906123  Nemacladus rubescens Philip A. Munz 1926-1-31 Munz 9979 Riverside Dos Palmos Spring Comment
  RSA0006294  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern Base of Indio Mtn. Colorado Desert. 150 Comment
  RSA676047  Nemacladus tenuis var. aliformis Scott D. White 2001-4-17 8351 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR127497  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16581 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  JEPS3135  Nemophila menziesii Carl V. Meyer June 1927 185 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow (San Jacinto Mountains) 1676 Comment
  UC1329953  Nicolletia occidentalis James E. Cole 1941-5-31 842 Riverside Lost Horse Mine Road Joshua Tree National Monument 1402 Comment
  SBBG70571  Nicotiana attenuata M. N. Ackley 1928-3-31 972 Riverside Hidden Springs 365 Comment
  RSA559348  Nicotiana bigelovii var. wallacei Steve D. Boyd 1992-5-15 7394 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  POM98160  Nicotiana bigelovii var. wallacei Philip A. Munz 1925-5-20 9852 Riverside 2 mi. east of Aguanga. Comment
  RSA772059  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4625 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SDSU13601  Nicotiana glauca W. Miller 1972-8-8 Riverside Comment
  UCR2899  Nicotiana glauca Paul W. White 1963-4-8 40863- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, 200 yards SW of corner of Canyon Crest Dr. and [Monte] Vista Dr. 'c. 900 ft 335 Comment
  RSA596161  Nicotiana glauca D. L. Banks 1996-11-7 1214 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA0018758  Nicotiana obtusifolia C. Epling 1934-10 s.n. Riverside Palms to Pines Hwy. Comment
  RSA0018761  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  UCR111765  Nicotiana quadrivalvis Mitch Provance 1998-3-17 211 Riverside Jurupa Mountains, 'Pyrite Canyon', in the central dune area c. 1km south of the end of Savonia Dr. in Southridge, Fontana. 305 Comment
  JOTR31981  Nolina bigelovii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2217 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  CAS-BOT-BC71162  Notholaena californica Louis C. Wheeler 1933-12-2 2306 Riverside Mouth Tah 304 Comment
  RSA686401  Notholaena californica W. G. Wright 4764 Riverside Colorado Desert. Comment
  UCD137527  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz wash. 182 Comment
  RSA0056389  Oenothera brevipes J. R. Shevock 1971-5-8 1033 Riverside Joshua Tree National Monument. 701 Comment
  POM3078  Oenothera californica subsp. californica Jenkins, Street 1955 Riverside San Jacinto River Canyon. Comment
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Mar 1 2014
  POM355282  Oenothera californica subsp. californica N. C. Cooper 1944-4-22 1143 Riverside Banning. 762 Comment
  RSA115923  Oenothera californica subsp. californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riversode on Hwy 60. Comment
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Mar 23 2014
  RSA779628  Oenothera deltoides Duncan S. Bell 2010-4-1 44222 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
  POM355582  Oenothera deltoides subsp. deltoides E. C. Jaeger 1922-4-5 721 Riverside Desert Center, Chuckwalla Valley. 366 Comment
  POM355584  Oenothera deltoides subsp. deltoides E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  RSA152010  Oenothera deltoides subsp. deltoides David P. Gregory 1960-4-8 361 Riverside 5 miles NW of Palm Desert. Comment
  RSA747802  Oenothera deltoides var. deltoides Justin M. Wood 2009-3-26 402 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  POM226796  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside Foot of Mt. Roubidoux, Riverside. Comment
  RSA660931  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside NE edge of UCR campus, E of A & I dorms and S of Watkins Dr., near Parking Services Bldg. 335 Comment
  UCR112589  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside Riverside, NE edge of UCR campus, east of A & I dorms and south of Watkins Dr., near Parking Services Bldg. 335 Comment
  RSA457800  Oligomeris linifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2199 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UC634677  Oligomeris linifolia H. L. Mason 1928-3-10 4179 Riverside in alkaline spots along Whitewater River; along Whitewater River Comment
  UCR109569  Oligomeris linifolia R. D. Goeden, Don W. Ricker 1979-3-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  UCR214704  Oligomeris linifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37521 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  CLARK-A1656-697  Olneya tesota Lois Ann Scott 1979-5-16 Riverside Mecca 121 Comment
  CDA7543  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley. Ramona Expressway at east end of Lake Perris dam Comment
  SEINET1004536  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-1 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd., at Quail Lake Golf Course. (El Casco 7.5' Quad) 439 Comment
  RSA459623  Opuntia basilaris Ora M. Clark 1929-3-17 1760 Riverside S. Palm Springs. Comment
  UCR280999  Opuntia basilaris var. basilaris Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-31 317- 02 Riverside Temescal Valley, Corona, Mayhew Wash, west side of Campbell Ranch Rd., 300 ft. S of intersection with Temescal Canyon Rd. 328 Comment
  SD142829  Opuntia phaeacantha Judy Gibson 1998-7-29 191 Riverside Highway 74, desert slope at road edge and under bushes, near Santa Rosa Mountain. (IPB 9/07) Comment
  CAS-BOT-BC56888  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 3196 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM284056  Opuntia vaseyi Lyman Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  CAS-BOT-BC254293  Orcuttia californica P. A. Munz; I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 426 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
  UCR89765  Orobanche bulbosa Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3327 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
  UCR31806  Orobanche cooperi Gerald Griffith 1982-3-11 s.n. Riverside Coachella Valley, citrus ranch near Mecca 0 Comment
  UCSB6224  Orobanche cooperi Stoppel, Gordon 1958-3-22 Riverside Colorado Desert off Indio highway near No Palms Comment
  CAS-BOT-BC502789  Orobanche cooperi Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  RSA0070483  Orobanche cooperi subsp. cooperi C. Leo Hitchcock 1940-4-4 5940 Riverside Pinto Basin. Comment
  CAS-BOT-BC500135  Orobanche fasciculata Philip A. Munz 1940-3-22 15661 Riverside Whitewater Canyon, 2 mi N of Banning-Indio Hwy Comment
  CLARK-A1528-872  Orthocarpus purpurascens C. M. Flanagan 1973-5-20 OO 516 Riverside Morongo Indian Reservation Comment
  RSA503432  Orthocarpus purpurascens var. pallidus J. D. Olmsted 1962-5-10 3656 Riverside Flats, W of crest between Sandia and Deluz Creeks laong Murrieta to Deluz Rd. 206 Comment
  RSA0029414  Oxytheca perfoliata John F. Emmel 1996-4-20 1395 Riverside Joshua Tree National Park: along road near north base of Eagle Mts., ca. 1 air mi NW of Conejo Well. 976 Comment
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR193915  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-7-11 35762 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  PASA2619  Paeonia brownii Sally Ellis 1940-3-18 Riverside Dripping Springs Comment
  UC537184  Paeonia californica M. E. Jones 1933-4-5 Riverside Hemet Comment
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Mar 24 2011
  CAS-BOT-BC327926  Palafoxia arida Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  UCD134895  Palafoxia arida B. Pitzer 1997-10-19 3351 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at Powerline Rd. 499 Comment
  UCR108725  Palafoxia arida Scott D. White, Pam DeVries 1998-2-9 6084 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR166004  Palafoxia arida Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  POM299274  Palafoxia arida var. arida A. M. Alexander, Louise Kellogg 1941-5-12 2163 Riverside Eagle Mts., road to Black Eagle Mine. 671 Comment
  UCR153389  Palafoxia arida var. arida Scott D. White 2000-3-23 7634 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  RSA801737  Panicum antidotale Anonymous 1952-9-20 s.n. Riverside San Jacinto Valley. Hemet. Comment
  RSA614834  Panicum capillare A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15810 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  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
  SEINET3365549  Panicum hirticaule subsp. hirticaule G. Rink 2011-9-25 11073 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  SD67091  Papaver californicum E. Norland 1967-5-12 Riverside Temecula Canyon on Santa Margarita River, northwest of Rainbow. Comment
  UCD95992  Papaver californicum A. C. Sanders; P. MacKay, T. Thomas, O. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains; N side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  CAS-BOT-BC274188  Pappostipa speciosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  OBI82174  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UC848656  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
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Aug 10 2006
  UCR142549  Parietaria hespera var. hespera F. W. Peirson 1920-2-15 1714 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Tahquitz Canyon, near Palm Springs 427 Comment
  RSA381085  Paspalum dilatatum R. F. Thorne, Steve Boyd, Earl Lathorp 1985-7-18 61176 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UC1132410  Paspalum distichum H. S. Yates 1936-8-29 6377 Riverside near Keen Camp; San Jacinto Quadrangle Comment
  UC53709  Paspalum distichum E. L. Koethen 1897-8-12 7 Riverside Riverside Comment
  RSA769301  Paspalum vaginatum R. E. Riefner Jr. 2008-7-5 08 -215 Riverside Cathedral City, drainage tributary to Whitewater River, Perez Rd. at Date Palm Dr. 82 Comment
  SEINET3102119  Pectis papposa Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17460 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  RSA92219  Pectis papposa F. W. Peirson 1937-11-27 12245 Riverside La Quinta, Coachella Valley. 0 Comment
  SEINET10799089  Pectis papposa Billy Joe Cox 1975-10-10 Cox 4209 Riverside Palo Verde, 1-3 km W, (ca. 32 km S of Blythe). Riverside-Imperial counties. 70 Comment
  CAS-BOT-BC355867  Pectis papposa var. papposa Lewis S. Rose 1959-1-8 59004 Riverside La Quinta 15 Comment
  JOTR30837  Pectis papposa var. papposa La Doux, Tasha, Jim Andre 2008-9-16 347 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
  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
  RSA0107903  Pectocarya heterocarpa Duncan S. Bell, Thomas Stoughton 2010-3-19 578 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  RSA475294  Pectocarya heterocarpa Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2106 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  UCR127569  Pectocarya heterocarpa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16125 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR225713  Pectocarya linearis A. C. Sanders 2011-3-30 38914 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
  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
  UCR22131A  Pectocarya penicillata Steve Boyd 1980-5-3 171 A Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR234252  Pectocarya penicillata A. C. Sanders 2012-4-12 40021 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR47802  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet 770 Comment
  RSA0125986  Pectocarya peninsularis Duncan S. Bell 2016-3-4 8812 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  CLARK-A1528-2252  Pectocarya platycarpa John C. Roos 1937-5-2 1838 Riverside Frost Reservoir Comment
  POM368801  Pectocarya platycarpa M. B. Dunkle 1934-3-18 3854 Riverside W of Shaver s Well, SE of Indio 244 Comment
  RSA77862  Pectocarya platycarpa F. W. Peirson 1920-2-16 1014 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  SBBG81515  Pectocarya platycarpa S. A. Junak 1983-3-23 1621 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR52024  Pectocarya platycarpa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2200 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA682843  Pectocarya recurvata Scott D. White 2003-3-23 8834 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  POM281165  Pedicularis densiflora Ethel Rush 1951-4-12 169 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. Comment
  UCR138805  Pedicularis densiflora D. L. Banks, J. Moreno 1997-2-5 1247 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR240655  Pellaea andromedifolia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 43 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 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
  JOTR30842  Pellaea mucronata var. californica Andre, Jim, Tasha La Doux 2008-9-16 10703 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  RSA0050332  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/ Sonoran Desert; Santa Rosa Mtns.: UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon. 335 Comment
  UC886862  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside Kenworthy San Jacinto Mts., Hemet Valley; Kenworthy, Hemet Valley 1371 Comment
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Mar 25 2011
  UCR103995  Penstemon centranthifolius George K. Helmkamp 1998-4-3 3073 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  CDA41882  Penstemon clevelandii subsp. connatus T. C. Fuller 1963-4-23 10292 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  CAS-BOT-BC6619  Penstemon clevelandii var. connatus Harvey Monroe Hall 1901-6-18 2149 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert 1371 Comment
  POM122818  Penstemon grinnellii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA234077  Penstemon heterophyllus var. australis Robert F. Thorne, E. W. Lathrop 1969-6-6 39333 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  POM11244  Penstemon labrosus Philip A. Munz 1922-9-7 6454 Riverside San Jacinto Peak 3049 Comment
  SD67908  Penstemon labrosus Reid Moran 1968-8-3 15353 Riverside open NE slope, ridge 1 mile NW of Toro Peak 2250 Comment
  UCR35263  Penstemon labrosus L. B. Ziegler 1964-7-24 40 Riverside Santa Rosa Mtns, Saddle between Santa Rosa Peak and Toro Peak 2439 Comment
  UCR20539  Penstemon rostriflorus W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA282791  Penstemon spectabilis C. W. Tilforth, B. Busenberg 1980-6-10 1982 Riverside 1.0 mi. from Hwy 74 on north leg of Thomas Mtn. Rd., south of Lake Helmet. Comment
  RSA285606  Penstemon spectabilis D. C. Michener 1980-6-13 3680 Riverside At east end of Thomas Mtn road above Garner Valley. Comment
  RSA748227  Penstemon spectabilis T. Scott, A. Townesmith, K. M. Meyer 2007-3-18 134 Riverside San Bernardino National Forest. 1.0 mile up Little Thomas Mountain Rd. (Forest Road 6S13) just S of Lake Hemet from Rt. 74. 1409 Comment
  PASA1698  Pentachaeta aurea Margaret Stason 1931-5-24 Riverside pine woods, idyllwild Comment
  UCR148333  Peritoma arborea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  GMDRC5488  Peritoma arborea var. arborea J. Andre 2012-4-16 20895 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  CAS-BOT-BC355984  Perityle emoryi Ira L. Wiggins 1941-3-27 9675 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  CAS-BOT-BC355992  Perityle emoryi Geo. B. Grant 1906-4-20 6784 Riverside Palm Springs Comment
  CAS-BOT-BC355997  Perityle emoryi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  GMDRC9799  Perityle emoryi J. M. Andre 2017-3-1 38008 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  OBI15581  Perityle emoryi Robert F. Hoover 1966-10-15 10169 Riverside Dead Indian Cyn Comment
  POM122891  Perityle emoryi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UC170155  Perityle emoryi E. E. Schellenger 1894-12-3 104 Riverside Churckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  CAS-BOT-BC167757  Petalonyx thurberi K. Bonner 1977-10-28 2569 Riverside 2 mi. West of Red Cloud Road Comment
  OBI12447  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  POM250764  Petunia parviflora J. C. Roos 1937-6-7 514 Riverside South foot of Jackrabbit Trail, near San Jacinto. Comment
  RSA425012  Petunia parviflora J. C. Roos 1952-5-28 5728 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
  OBI65479  Peucephyllum schottii H. E. McMinn 1935-6-25 4053 Riverside Palms to pines hwy, near Palm Springs Canyon coming down grade Comment
  RSA790632  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 11 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  UCR233172A  Peucephyllum schottii Jim Andre, Glenn L. Clifton 2011-2-22 17439 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  POM13267  Phacelia ambigua E. C. Jaeger 1922-3-4 1103 Riverside Painted Canyon near Mecca. Comment
  POM305413  Phacelia ambigua Henry J. Ramsey, Henry J. Ramsey 1939-11-28 687 Riverside 10 miles east of Indio. Comment
  RSA550277  Phacelia ambigua Walter Wisura, J. Dolan, M. Wall 1992-3-24 4619 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA697794  Phacelia ambigua Mary Edmunds 1932-3-27 s.n. Riverside Oasis, Coachella Valley. Comment
  NY43149  Phacelia brachyloba J. B. Walker 1995-5-4 1416 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA697792  Phacelia campanularia J. R. Bruff 1927-3-12 2 -T Riverside Whitewater. Comment
  JOTR31913  Phacelia campanularia subsp. vasiformis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2159 Riverside Joshua Tree National Park. North Hexie Mountains; large side canyon draining into west Wilson Canyon Comment
  UC881004  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6845 Riverside Cottonwood Springs Comment
  CLARK-A1528-553  Phacelia cicutaria Annette Price 1962-4-22 O 35 Riverside Lake Mathews Comment
  UCR90750  Phacelia cicutaria var. hispida Scott D. White 1995-4-5 2750 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  SBBG11802  Phacelia crenulata H. and M. Dearing 1936-12-25 1451 Riverside Thousand Palms Cyn Comment
  UCD120362  Phacelia crenulata C. L. Hitchcock 1966-3-16 24210 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  CDA19646  Phacelia crenulata var. ambigua G. D. Barbe, T. C. Fuller 1973-3-12 1049 Riverside 0.2 mi east of Coachella Canal on state route 195, ca. 5 mi east of Mecca. Box Canyon Wash. 24 Comment
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Mar 10 2011
  RSA0043222  Phacelia crenulata var. ambigua J. Mark Porter, Orlando Mistretta 2003-6-5 13606 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA0049852  Phacelia crenulata var. ambigua Jim Andre 2014-1-27 26671 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UC881060  Phacelia crenulata var. ambigua Aven Nelson and Ruth A. Nelson 1939-3-29 3332 Riverside near Hidden Springs (near Mecca) Comment
  UCR102953  Phacelia crenulata var. ambigua George K. Helmkamp 1998-4-4 3152 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA775386  Phacelia distans Duncan S. Bell 2011-4-10 2244 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
  SBBG119453  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  UCR276659  Phacelia distans Jim Andre 2015-3-6 33572 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  UCR84644  Phacelia distans Scott D. White, S. Ogg 1994-4-21 2001 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA699651  Phacelia hispida Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  HSC86135  Phacelia imbricata subsp. patula B. Freeman, David Hagstrum 1969-6-28 69062811 Riverside San Jacinto Mtns., University of California James Reserve, bank overlooking Indian Creek Comment
  NY57344  Phacelia keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak 1432.6 Comment
  RSA510314  Phacelia minor Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA627851  Phacelia minor A. C. Sanders 1994-5-30 14601 Riverside Foothills NNE of Beaumont. 945 Comment
  RSA655400  Phacelia minor A. C. Sanders 1998-1-15 21636 Riverside Lake Skinner area: toward Crown Valley, NE of Black Mtn 762 Comment
  SD143840  Phacelia minor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19866 Riverside Lake Skinner area; lower Rawson Canyon, along road NE of Skinner lake 456 Comment
  UC1929329  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10498 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA4922  Phacelia neglecta Carl B. Wolf 1932-4-28 3089 Riverside Mesas at western edge of Maria Mts, eastern Colorado Desert, 17 miles from Blythe on the Rice road. 152 Comment
  RSA550349  Phacelia neglecta Walter Wisura, John Dolan, M. Wall 1992-3-24 4639 Riverside 1.9 miles S of I-10 on road to Corn Spring Comment
  UCR112131  Phacelia parryi A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21757 Riverside Box Springs Mtns., Highgrove, mouth of Pigeon Pass Canyon at intersection of Pigeon Pass Rd. and Mt. Vernon Ave. 320 Comment
  UCR268310  Phacelia ramosissima Jim Andre 2012-6-15 30496 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
  UCR159771  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Perris/Sun City area: just east of Goetz Rd. and south of Ethanac Rd., c. 1.5-2 mi west of the I-215 freeway 473 Comment
  RSA526084  Phacelia suaveolens var. keckii Steve Boyd, T. S. Ross 1990-5-11 4657 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
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Jul 21 2018
  UCR182301  Phalaris aquatica Mitch Provance, Brett Provance 2005-5-27 5700 Riverside San Bernardino Valley, Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland) 277 Comment
  UCR113848  Phalaris canariensis Mitch Provance 2000-6-24 2055 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR26337  Phalaris lemmonii John C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) 457 Comment
  UCR139629  Phalaris paradoxa A. C. Sanders 2004-6-30 28398 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
  UCR28622  Phaseolus filiformis A. C. Sanders 1982-12-19 3451 Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
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Feb 9 2010
  CAS-BOT-BC128867  Philadelphus microphyllus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon, up from end of trail, w. slope San Jacinto Mts. 2606 Comment
  POM14423  Phleum pratense P. A. Munz 1922-7-4 5967 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UC23901  Phlox austromontana H. M. Hall 1898-6-27 949 Riverside El Toro Peak San Jacinto Mts. 2651 Comment
  UCR260960  Phoenix canariensis Duncan S. Bell 2013-1-30 4446 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the southwest of Mecca Hills Peak 1642 103 Comment
  UC1930127  Pholisma arenarium V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1062 b Riverside Peninsular Ranges, Jan Jacinto Mountains region: Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  SDSU12866  Pholistoma auritum J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 19 Riverside At gate to Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 354 Comment
  RSA708428  Pholistoma membranaceum Scott D. White 2005-3-29 10829 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UC605036  Pholistoma racemosum S. B. Parish 1880-6-12 Riverside near Agua Caliente Comment
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Sep 16 2016
  CAS-BOT-BC134987  Phoradendron bolleanum H. E. Parks 1946-2-1 24406 Riverside Santa Rosa canyon, W side of Colorado Desert Comment
  UCD102039  Phoradendron bolleanum Geoffrey Levin 1975-12-6 657 Riverside State 74 just above Seven Level Hill, about 8 mi. south of Palm Desert. 1066 Comment
  UCR114127  Phoradendron californicum B. G. Pitzer, J. Ross 1998-3-8 3602 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  JOTR16865  Phoradendron densum Hogan, J. 1974-5-6 34 Riverside Joshua Tree National Park. JUNCTION OF EUREKA PEAK AND UPPER COVINGTON FLATS ROADS 1554 Comment
  RSA717208  Phoradendron densum A. C. Sanders 2004-4-2 27429 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  CAS-BOT-BC135185  Phoradendron juniperinum Frank G. Hawksworth 1965-5-6 744 Riverside San Santa Rosa mountains, N side Toro Mountain 2407 Comment
  UCR85428  Phragmites australis subsp. americanus A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15883 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  UCD170895  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  POM306734  Physalis crassifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1708 Riverside Near Desert Center-Indio. Comment
  RSA423813  Physalis crassifolia N. C. Cooper 1944-4-8 1059 Riverside Andreas Canyon. 305 Comment
  SD181325  Physalis crassifolia Scott D. White 2000-10-24 8140 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UCR178510  Physalis crassifolia R. G. Swinney 1967-2-12 0023 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  CAS-BOT-BC78598  Pinus flexilis Arthur Menzies; Bob Murray 1957-8-21 s.n. Riverside Marion Mt., San Jacinto Mts. Comment
  UCSB25061  Pinus lambertiana Gliessman, Stephen 1966-5-14 Riverside On Saddle Junction Trail about 1/2 mile northwest of Tahquitz Rock., San Jacinto Mtns. 2560 Comment
  CLARK-A1656-884  Pinus murrayana Jim Cornett 1977-10-7 Riverside San Jacinto Mountains 2621 Comment
  CAS-BOT-BC72839  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  RSA505025  Pinus quadrifolia D. Charlton 1988-5-21 1908 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UC64437  Pinus quadrifolia H. M. Hall 1899-5-27 Riverside Nigger Jim Hill San Jacinto Mountains Comment
  RSA382777  Piperia transversa Robert L. Dressler 1944-7-16 1555 Riverside San Jacinto Mountain, above Pine Cove. San Jacinto Mountains. 2073 Comment
  UCR234254  Pistacia atlantica A. C. Sanders, T. B. Salvato 2012-4-27 40097 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  UCR48487  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  SBBG100815  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  SEINET3084145 Image available Plagiobothrys arizonicus B. Pitzer, D. Charlton 1986-4-20 111 Riverside Bajada W of Mescal Range, and ca. 6.7 miles SE of I-15 along Cima Road, ca. 1.0 miles N of Cima Road on an unnamed dirt road. Comment
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Aug 6 2013
  UCR260576  Plagiobothrys arizonicus A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41539 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, southwest side of Temescal Canyon Rd. near El Hermano Road junction 313 Comment
  SEINET272294  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mins: Pigeon Pass cyn below Regulus Rd 0.6 mi W of Pigeon Pass Rd. 0.4 mi E of Bench Mark Table. UTM 10km 610 Comment
  UCSB45601  Plagiobothrys canescens Roos, John 1952-4-16 Riverside Pigeon Pass, Box Springs Mts. 396 Comment
  UCR234278  Plagiobothrys collinus A. C. Sanders 2012-4-12 40023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR97723  Plagiobothrys collinus Scott D. White 1997-2-9 4675 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  SBBG34759  Plagiobothrys collinus var. fulvescens J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, S of town of Murrieta, small mesa SW of Mesa de Burro 579 Comment
  SD244103  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy . Chumley 2013-4-2 40747 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 377 Comment
  UC662528  Plagiobothrys collinus var. fulvescens Philip A. Munz 1937-5-30 15089 Riverside n of Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  UCR246593  Plagiobothrys collinus var. fulvescens A. C. Sanders 2012-3-22 39986 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
  POM12231  Plagiobothrys collinus var. ursinus Mary F. Spencer 1921-6-3 1725 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  POM12983  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-19 5416 Riverside Hemet Valley, San Jacinto Mts. on Garner Ranch 1387 Comment
  UCR279585  Plagiobothrys jonesii A. C. Sanders, Jim Malusa 2017-3-28 43145 A 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
  SBBG104067  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 3/4 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd just S of Tres Cerritos 460 Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 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
  UCR97668  Plagiobothrys tenellus A. C. Sanders, G. Helmkamp 1997-3-15 19961 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  CAS-BOT-BC226238  Plantago erecta A. C. Sanders 2011-4-7 39035 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  UC2029934  Plantago erecta Steve Boyd 2001-4-12 10413 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR281831  Plantago erecta Mitch Provance, Jeremiah George 2017-3-23 317- 76 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA741159  Plantago lanceolata Scott D. White, Justin M. Wood 2008-5-15 11995 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR232039  Plantago lanceolata John F. Green 2008-4-22 04- 01 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  JOTR31954  Plantago ovata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2190 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA703373  Plantago ovata var. fastigiata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1439 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG7268  Plantago ovata var. fastigiata H. and M. Dearing 1938-3-6 1974 Riverside Painted Cyn, Colorado Desert Comment
  POM157910  Plantago patagonica P. A. Munz 1927-5-20 10809 Riverside 10 miles S. of Hemet. Comment
  SD133046  Plantago patagonica Scott White 1991-5-13 91 78 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UC1148888  Plantago patagonica H. K. Wagnon 1944-3-16 343 Riverside banks of Tahquitz Creek Palm Springs, Tahquitz Creek Comment
  UCR133430  Plantago patagonica Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 204 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR166295  Plantago patagonica A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16240 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA125985  Platanus racemosa E. K. Balls, Percy C. Everett 1957-11-4 22742 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  UCR112597  Platanus racemosa Mitch Provance 1998-2-17 61 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR97456  Platanus racemosa A. C. Sanders 1997-3-1 19756 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  CAS-BOT-BC91886  Platystemon californicus W. R. Ernst 1958-5-2 278 Riverside About 2 miles north of Temecula along Highway 395. Comment
  POM305820  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1039 Riverside Elsinore - Capistrano. Comment
  RSA652524  Platystemon californicus Dolores Perez 1981-4-11 26 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  UC167981  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 2 Riverside Wilders near Riverside; near Riverside Comment
  CDA32628  Pleuraphis rigida G. D. Barbe, J. L. Johnson 1982-11-2 4016 Riverside 1.3 miles south of Wiley s Well, 0.7 mile north of Coon Hollow Campground. 0 Comment
  UC677602  Pleuraphis rigida A. A. Beetle 1942-4-22 3183 Riverside Rt. 60 and 70, 5 mi e Shaver's Summit; e of Shaver's Summit Comment
  UC724190  Pleuraphis rigida Aven and Ruth Nelson 1939-3-30 3342 Riverside Hiway 60 near Desert Center Comment
  SBBG62653  Pleurocoronis pluriseta M. N. Ackley 1928-4-3 173 Riverside Coral Reef Ranch, Coachella Valley 213 Comment
  CAS-BOT-BC326543  Pluchea sericea Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 484 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 609 Comment
  SEINET2053981 Image available Pluchea sericea Howard S. Gentry 1947-7-26 7655 Riverside 8-10 miles N of Aguanga Comment
  UC1713243  Poa annua unknown April 1917 Riverside Riverside Comment
  RSA769821  Poa howellii E. W. Lathrop 1973-6-28 7437 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR164301  Poa pratensis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  RSA326155  Poa secunda John F. Emmel 1981-5-25 770 Riverside San Jacinto Mts, Idyllwild, slope just below Middleridge Drive, S of USC Isomata Campus 1585 Comment
  RSA523521  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3980 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA612605  Poa secunda D. L. Banks, Victor Steinmann 1997-3-13 1490 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  POM268107  Polygala acanthoclada A. M. Alexander, Kellogg 1941-5-9 2139 Riverside Eagle Mountains: 1.5 miles N of Cottonwood Spring 976 Comment
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Oct 9 2010
  UCR160892  Polygonum fagopyrum T. B. Salvato 2002-10-16 106 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR122569  Polygonum hydropiperoides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5985 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  SEINET269476  Polygonum lapathifolium Scott D. White, Steve Ogg 1994-10-17 2461 Riverside Murrieta Creek at Winchester road bridge (Banana Avenue on USGS Murrieta quad) 310 Comment
  UCR156357  Polygonum lapathifolium T. B. Salvato, Kent Beaman 2005-5-16 868 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA689923  Polypodium californicum Norman C. Cooper 1947-4-5 2033 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SD234028  Polypogon monspeliensis Nancy Ryan Zabriskie 1973-3-21 593 Riverside Deep Canyon, north slope, Santa Rosa Mountains. In front of Deep Canyon Research Center building. 292 Comment
  UCD91318  Polypogon monspeliensis John 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. 533 Comment
  JOTR32158  Porophyllum gracile La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2311 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA552744  Porophyllum gracile Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6676 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  VVC2105  Porophyllum gracile Tim Thomas 2012-8-23 5871 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  UCR206970  Portulaca oleracea Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  RSA388398  Potamogeton foliosus Robert F. Thorne, E. W. Lathrop, Steve Boyd 1985-7-18 61200 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA500203  Potamogeton pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3542 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SEINET10543381  Potentilla David B. Dunn 1946-8-16 Dunn 2672 Riverside Open dry trail soil by jolly springs. San jacinto mts Comment
  SEINET10542222  Potentilla anglica David B. Dunn 1947-10-9 Dunn 3532 Riverside Joshua tree national monument at campground area by hidden valley, comp. Comment
  RSA783358  Potentilla glandulosa John Olmsted 1958-6-15 171 Riverside San Jacinto Mts: M. FK. San Jacinto Range Drainage Area. 1 mi above intersection of Beartrap Canyon with Strawberry Cr. by Idyllwild School of Music and Art. On sandy banks of Beartrap Canyon. 1616 Comment
  RSA802090  Potentilla glandulosa Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4989 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  JEPS47218  Potentilla gracilis Carl V. Meyer June 1927 188 Riverside Saunder's Meadow Comment
  UCR280431  Proboscidea althaeifolia Onkar Singh 2015-11-10 5612 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2.5 km north of Desert Center, on west margin of Kaiser Road 50 meters south of Oasis Rd. 231 Comment
  UCR199764  Prosopis glandulosa Scott D. White, Justin Wood 2007-4-11 11649 Riverside San Bernardino Mountain foothills, San Gorgonio River wash, west side of Bluff St. Comment
  RSA594516  Prosopis glandulosa var. torreyana D. L. Banks, Rashmi Pant 1996-5-13 1021 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79., Just N of the Cleveland National Forest Boundary. 472 Comment
  SBBG3760  Prosopis glandulosa var. torreyana H. and M. Dearing 1930-4-13 815 Riverside near Palm Springs Comment
  SFV7924  Prosopis glandulosa var. torreyana T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1287 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UC454648  Prosopis glandulosa var. torreyana J. E. Roadhouse 1906-8-14 803 Riverside Temescal Canyon Comment
  UCD108225  Prosopis glandulosa var. torreyana G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  SEINET10489770  Prosopis glandulosa var. torreyana Billy Joe Cox 1975-4-23 Cox 4136 Riverside Palo Verde, 1-3 km W, (ca 32 m S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  POM6805  Prosopis pubescens Philip A. Munz, L. T. Street, G. Williams 1919-3-26 2343 Riverside Salton Sea. Comment
  RSA1019  Prosopis pubescens J. T. Howell 1927-8-1 524 Riverside Mission Creek, Colorado Desert. 610 Comment
  RSA192112  Prunus E. W. Lathrop 1959-4-16 4455 Riverside 18 miles southwest of Elsinore. Comment
  RSA25423  Prunus fasciculata C. Leo Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  CAS-BOT-BC151124  Prunus fremontii Milo S. Baker 1928-4-4 2799 a Riverside Tahquitz Canyon Comment
  RSA525682  Prunus ilicifolia Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4541 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UC860997  Prunus virginiana var. demissa C. Epling, Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  OBI15569  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral city 122 Comment
  SBBG62543  Psathyrotes ramosissima F. M. Reed 1927-3-18 Riverside Salt Crk Wash, N of Salton Sea Comment
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Jul 30 2006
  SD27951  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside 5.0 miles east of Mecca, on Blythe Road. 99 Comment
  CAS-BOT-BC356790  Pseudognaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges: Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  CHSC108887  Pseudognaphalium luteoalbum Orlando Mistretta; D Bell, J Beckman, J England, K Kane, J Hall, etal 2010-4-12 4535 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm); between N33.95609, W116.64365 and N33.95477 and W116.64248. 525 Comment
  CAS-BOT-BC361784  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; P. A. Munz; L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  SEINET7063441  Psilocarphus brevissimus var. multiflorus A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  RSA612956  Psilocarphus tenellus D. L. Banks 1997-3-29 1625 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
  CLARK-A1528-5672  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC353588  Psorothamnus arborescens var. simplicifolius David Dreyer 1970-6-18 173 Riverside about 2 miles south of Palm Springs station Comment
  UCR237700  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4531 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  CAS-BOT-BC353637  Psorothamnus emoryi E. A. McGregor 1917-3-19 717 a Riverside Indio Sands Comment
  SEINET3131125  Psorothamnus emoryi var. emoryi M. J. Gilman 1904-1 52 Riverside Colorado Desert Comment
  JOTR32400  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  RSA13819  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  SD144439  Pterostegia drymarioides Andy C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19889 Riverside Lake Skinner Area, lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  UCR92165  Pterostegia drymarioides D. L. Banks, Steve Boyd 1995-5-3 0229 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  UCR81114  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 Riverside Southern Santa Ana Mountains, San Mateo Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 671 Comment
  CAS-BOT-BC499168  Quercus Mitch Provance 2009-9-10 17427 Riverside San Bernardino Mountains: Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  UCR169247  Quercus X acutidens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 75 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  UCR262388  Quercus X morehus Tom Scott 2011-1 s.n. Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01 1495 Comment
  UC5503  Quercus agrifolia Samuel B. Parish 1891-11-3 2252 Riverside near Murietta Comment
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Jul 15 2009
  UCR270755  Quercus agrifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8368 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  OBI74435  Quercus berberidifolia David J. Keil 1983-4-15 16907 Riverside East of Temecula on SR 79 Comment
  CAS-BOT-BC62438  Quercus chrysolepis Winifern W. Swarth 1914-9-27 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  LA46441  Quercus chrysolepis W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SD229169  Quercus chrysolepis Dick Schwenkmeyer 2012-3-26 684 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA592669  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UC5587  Quercus cornelius-mulleri Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  SDSU6970  Quercus dumosa H. Wedberg 1962-4-20 905 Riverside 13.4 miles from Hwy 79 in Hemet, and 5.5 miles from Cranston Ranger station on road to Idyllwild. 914 Comment
  RSA585787  Quercus engelmannii D. L. Banks, Steve D. Boyd 1995-5-9 412 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  UCR135856  Quercus engelmannii A. C. Sanders 2004-4-20 27577 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
  UCR91547  Quercus ilex Donald E. Peck 1994-10-23 s.n. Riverside Citrus orchard in town of Rubidoux Comment
  HSC101787  Quercus john-tuckeri J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13204 Riverside Along State Route 74 1558 Comment
  UC667287  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-5-26 2243 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  UCSB11445  Quercus kelloggii Olson, Jim 1962-5-5 Riverside Rd to Pine Flat Campground, 17 mi SE of Banning 1767 Comment
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Jun 24 2010
  RSA660499  Quercus palmeri A. C. Sanders 1998-5-14 21848 Riverside Jurupa Mtns.: Rattlesnake Mtn. (hill 1452m), Crestmore, above watertank W of Cedar Ave., above intersection of Andalusia and Malaga Streets. 366 Comment
  SD229181  Quercus turbinella Dick Schwenkmeyer 2012-5-22 715 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  CAS-BOT-BC104995  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  RSA714381  Quercus wislizeni T. B. Salvato 2004-5-27 592 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  SDSU6993  Quercus wislizeni H. Wedberg 1962-7-28 988 Riverside 6 miles from Mountain Center on the road to Hemet. 914 Comment
  UC5701  Quercus wislizeni H. M. Hall 1901-8-5 2618 Riverside s side San Jacinto Mountains 1676 Comment
  UC64017  Quercus wislizeni W. L. Jepson May 17 1901-Jun 1 1901 1438 Riverside Santa Rosa Indian Village Comment
  UCR262386  Quercus wislizeni Tom Scott 2011-1 2011- 573 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 6.1 miles up canyon 1470 Comment
  SBBG122738  Quercus wislizeni var. frutescens R. E. Riefner 2006-10-11 06 -530 Riverside E of Rainbow Cyn, N of Rainbow Heights, Termite's Hike Trail 595 Comment
  JOTR35474  Rafinesquia californica Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 77 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats Comment
  RSA0120465  Rafinesquia californica Duncan S. Bell 2016-4-16 9305 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA660567  Rafinesquia californica Bruce Albert 1982-4-17 33 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  RSA704013  Rafinesquia californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 133 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 363 Comment
  JEPS30457  Rafinesquia neomexicana Peter H. Raven 1958-2-15 11581 Riverside Corn Springs Chuckwalla Mountains Comment
  UC963814  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside ca 5 mi nw Cottonwood Springs (Joshua Tree National Monument); Mojave Desert, , Smoke Tree Was 853 Comment
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Apr 23 2013
  UCD135356  Rafinesquia neomexicana Geoffrey Levin 1976-3-27 701 Riverside on south side of Chino Canyon, west of Palm Springs. Colorado Desert. 457 Comment
  UCR4105  Rafinesquia neomexicana Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  RSA180257  Ranunculus californicus E. W. Lathrop 1965-4-4 5614 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC511118  Ranunculus californicus Lyman Benson 1932-3-26 3164 Riverside 3 mi n Temecula; San Jacinto Mt. Range 457 Comment
  RSA552737  Ranunculus hebecarpus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6759 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UC1584128  Ranunculus sceleratus Steve Boyd and Tim Ross 1989-8-28 3807 Riverside Temecula Creek Vail Lake area (at confluence with lake and adjacent sedimentary hills to e) 441 Comment
  UCR23192  Raphanus sativus P. Tomlinson 1981-5-15 17 Riverside City of Riverside, University of California property South of Pennsylvania Ave. (now Martin Luther King Blvd) and east of Chicago Ave. Along the water canal (now mostly dry) 0.1 mi. south of Pennsylvania Ave. Comment
  UCR23232  Raphanus sativus Melody Lardner 1981-5-19 184 Riverside Santa Ana Mtns, Main Street Canyon, 3.5 mi. south of Hwy 91 at the end of Main Street. 427 Comment
  UCR97753  Rhamnus alaternus A. C. Sanders 1997-3-1 19726 Riverside Riverside: E side of University of California campus. 335 Comment
  CLARK-A1528-5196  Rhamnus crocea John C. Roos 1952-2-29 5378 Riverside Reche Canyon 457 Comment
  HSC28009  Rhamnus ilicifolia Richard Spjut 1973-4-13 3301 Riverside Mojave Desert, mtns. near Morongo Pass near Hwy. 62 915 Comment
  RSA381079  Rhamnus ilicifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61182 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA586043  Rhamnus ilicifolia D. L. Banks, S. D. Boyd 1995-3-16 96 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 537 Comment
  SFV20161  Rhamnus ilicifolia J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .8 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCSB18296  Rhamnus ilicifolia Matchett, Will 1964-5-16 Riverside 1.5 miles south of Interstate Highway 10 Banning-Idelwild Road, San Jacinto Mountains 762 Comment
  UC1281234  Rhamnus tomentella subsp. cuspidata H. E. McMinn 1935-6-27 4046 Riverside Pines to Palms Highway Comment
  CAS-BOT-BC170528  Rhus aromatica H. E. McMinn 1925-7-2 1515 Riverside Tahquitz Trail to Tahquitz Peak, San Jacinto Mts. Comment
  UCR234755  Rhus aromatica A. C. Sanders, John F. Green 2012-6-25 40300 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  RSA561081  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7001 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA771757  Rhus ovata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4634 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC472805  Rhus ovata Mary F. Spencer Aug 1925 287 Riverside Idyllwild; San Jacinto Mountains 1524 Comment
  UC1127367  Ribes amarum A. Lewis Mar 1934 351 Riverside Sugarloaf Peak Cleveland <National Forest>, Corona Quadrangle Comment
  CAS-BOT-BC173139  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  RSA604868  Ribes indecorum Scott D. White 1995-12-24 3800 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  UC1127321 Image available Ribes indecorum A. E. Wieslander 1929-2-23 42 Riverside Morris Ranch San Jacinto Quadrangle, Indian Canyon 792 Comment
  RSA0022094  Ribes montigenum George R. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto summit. 3294 Comment
  UCR2960  Ribes quercetorum Stewart Jacobson 1963-3-16 630316- 02 Riverside Box Springs Mtns, above UCR, [Big Springs] canyon at [east] end of Big Springs Rd. 518 Comment
  POM256958  Ribes speciosum W. Pequegnat 1939-12-29 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 610 Comment
  CAS-BOT-BC173857  Ribes velutinum Samuel B. Parish 1894-2-25 s.n. Riverside Reche [Canon] Canyon Comment
  UCR4163  Ricinus communis R. H. Sauer 1965-4-30 s.n. Riverside Peninsular Range, Intersection of Chase Drive and Skyline Drive, 3.5 mi SW of Corona 244 Comment
  CAS-BOT-BC226934  Romneya coulteri A. C. Sanders; John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: Hills between I-15 and Temescal Canyon Rd., 0.22 km south (178 deg. ) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake 325 Comment
  RSA446202  Romneya coulteri Emery M. Whilton 1938-5-16 s.n. Riverside taken in the Mountains between Lake Elsinore and El Capistrana Comment
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Apr 22 2013
  UCR155079  Rorippa nasturtium-aquaticum A. C. Sanders, Kelly Volansky 2005-3-17 29229 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR172286  Rorippa nasturtium-aquaticum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UC519954  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley San Jacinto Mts. 1584 Comment
  UCR46719  Rosa californica B. G. Pitzer, D. C. Hawks 1986-12-2 360 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
  UCR82763  Rosa californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15791 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  CLARK-A1528-826  Rubus ursinus Paul D. Wood 1970-4-19 2 C Riverside Riverside 243 Comment
  JOTR32378  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 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
  JOTR32381  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 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
  RSA613324  Rumex hymenosepalus D. L. Banks 1997-3-1 1388 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
  UCD101315  Rumex hymenosepalus R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  CDA40959  Salazaria mexicana G. D. Barbe, J. L. Johnson 1982-11-2 4022 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  CAS-BOT-BC129741  Salix bonplandiana Marian L. Campbell 1921-3-19 37 Riverside Banning Comment
  CAS-BOT-BC129750  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 268 Riverside Andreas Cany, east slope San Jacinto Mts. 304 Comment
  CAS-BOT-BC103902  Salix exigua F. R. Fosberg 1932-3-13 8077 Riverside Thousand Palms Canyon, Choachella Valley Comment
  POM319629  Salix exigua Patricia Wilder 1971-11-11 5294 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA586049  Salix exigua D. L. Banks, Steve D. Boyd 1995-3-16 101 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 555 Comment
  RSA92653  Salix exigua F. W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4.5 miles above highway from Banning to Indio. 701 Comment
  POM202536  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside North of Elsinore 305 Comment
  SBBG29079  Salix gooddingii C. W. Sharsmith 1932-3-20 14 Riverside Diablo Cyn, 3 mi above its mouth, near Clary's Coral Reef Ranch, base of E slope Comment
  UCR140712  Salix gooddingii A. C. Sanders 2004-5-11 27842 Riverside Elsinore Basin Region, Alberhill Mountain, former clay mine area c. 1 mile SE of Alberhill 439 Comment
  POM177828  Salix laevigata Marcus E. Jones 1930-3-2 s.n. Riverside Corona. Comment
  SD80103  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains, along water service road 1317 Comment
  UC634544  Salix laevigata H. L. Mason 1928-3-10 4171 Riverside Snow Creek Colorado Desert, White Water River Valley, Snow Creek Comment
  UCR134612  Salsola paulsenii Marisa Sripracha, Kyle Boyd 2004-2-14 019 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA450977  Salsola tragus Stephen M. Beckstrom-Sternberg 1985-9-10 1025 Riverside U.C.R. garden plots. Comment
  SEINET3860545  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: on first year burn on hills and slopes directly W of Hwy R3,(Sage Road) ca. 5.9 miles S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire Station. Collected near top of hill behind and to the S of the microwave towers.; 0 756 Comment
  RSA0094960  Saltugilia australis Steve Boyd, Tim Ross 1992-5-15 7395 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  JEPS29479  Salvia apiana Lauramay T. Dempster 1962-4-17 1892 Riverside about 1 mi below Fish Hatchery, Whitewater Canyon; Whitewater Canyon Comment
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Apr 6 2008
  SD241861  Salvia carduacea Jay Walker, R. C. Walker 2004-4-15 jbw 3092 Riverside S of Hemet, 1.4 mile S of Gibbel Road about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mile SSE of Hemet Butte, S of mouth of Avery Canyon. Comment
  RSA401472  Salvia columbariae Robert L. Rutherford 1945-5-24 1648 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA401474  Salvia columbariae N. C. Cooper 1944-4-21 1149 Riverside Banning. 701 Comment
  RSA775812  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 892 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR260581  Salvia columbariae var. columbariae A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41531 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  SBBG6390  Salvia eremostachya H. and M. Dearing 1942-3-29 4848 Riverside Dos Palmas Spring, near Palms to Pines Hwy Comment
  UCR121650  Salvia mellifera A. C. Sanders, Kent Beaman 2002-5-10 25046 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR97687  Salvia mellifera A. C. Sanders, G. Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  JOTR32354  Salvia mohavensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2469 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  UC489206  Salvia pachyphylla C. V. Meyer 1928-7-27 568 Riverside near Hidden Lake; San Jacinto Mts. 2438 Comment
  CAS-BOT-BC233336  Salvia vaseyi A. C. Sanders; K. Rose 1995-4-27 16736 Riverside Foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park, Coachella Valley 550 Comment
  RSA448913  Salvia vaseyi N. C. Cooper 1948-5-13 2837 Riverside Devil's Garden. 244 Comment
  CAS-BOT-BC223224  Sanicula bipinnatifida Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3904 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake 822 Comment
  RSA612809  Sanicula crassicaulis D. L. Banks 1997-3-1 1360 Riverside NW Palomar Mountains, Agua Tibia Mountains: 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. 423 Comment
  RSA570233  Sanicula tuberosa Steve Boyd, Timothy S. Ross 1993-3-23 7907 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road. 732 Comment
  UCR34992  Sarcostemma cynanchoides L. B. Ziegler 1966-9-13 085 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  UCR42583  Sarcostemma cynanchoides B. G. Pitzer 1986-4-26 0185 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  CLARK-A1528-1467  Sarcostemma cynanchoides subsp. hartwegii John C. Roos 1952-8-27 5891 Riverside Reche Canyon 457 Comment
  RSA420831  Schismus barbatus Christopher Davidson 1973-4-1 1801 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA737275  Schoenoplectus americanus Justin M. Wood 2008-9-22 152 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR138609  Scirpus microcarpus D. L. Banks 1996-11-7 1192 Riverside Peninsular Range; Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 150 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 473 Comment
  CSUSB1016  Scirpus robustus Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  SBBG16541  Scrophularia californica P. H. Raven 1962-4-29 17486 Riverside Ortega Hwy, 1 mi above the east base 487 Comment
  SD136743  Scrophularia californica subsp. floribunda Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7380 A Riverside San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile, lower 1/3 mile of Wildhorse Canyon 410 Comment
  SD234902  Scutellaria bolanderi subsp. austromontana A. C. Sanders, T. Thomas, T. B. Salvato 2008-6-25 35626 Riverside Peninsular Range; San Jacinto Mtns.: Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek. 1584 Comment
  UCR24917  Scutellaria siphocampyloides A. C. Sanders 1980-7-18 1665 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR174438  Scutellaria tuberosa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32486 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
  SEINET10875856  Selaginella J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12854 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 several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SEINET2043064 Image available Selaginella bigelovii A. C. Sanders, O . F. Clarke, P. MacKay, S. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East fork. 268 Comment
  CAS-BOT-BC62093  Selaginella eremophila Larry Kiefer 1963-3-24 485 Riverside Andreas Cyn. 609 Comment
  RSA496465  Senecio aphanactis Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-31 3081 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA543735  Senecio californicus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6070 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  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
  RSA770439  Senecio californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4571 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD144485  Senecio californicus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn.along the road. 518 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
  UCR167271  Senecio mohavensis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SEINET6692556 Image available Senecio monoensis Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains. 1036 Comment
  UCSB17615  Senegalia greggii Gerhart, Janet 1963-5-5 Riverside State Hwy 74, 12.7 mi NE of Pinyon Flats Campground 304 Comment
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Nov 23 2015
  UCR57995  Senna obtusifolia Les Ede 1989-8-19 s.n. Riverside Colorado River Valley/ Sonoran (Colorado) Desert, S of Blythe in the Palo Verde Valley, c. 1 mi. north of the Imperial County line 67 Comment
  CAS-BOT-BC438202  Sesuvium verrucosum P. A. Munz; I. M. Johnston 1918-4-27 2165 Riverside Lake Elsinore Comment
  CAS-BOT-BC438207  Sesuvium verrucosum Ira L. Wiggins 1941-3-24 9582 Riverside Beach along eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  SD126131  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junction with Highway 111 in Coachella and 3.85 miles north of Valerie Jean, 0.55 mile north of Ave. 60. -10 Comment
  RSA338585  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Near Oasis in the lower Coachella Valley, common weed in a grapefruit orchard on the dirt extension of Ave. 76, 0.4 mi. E if Hwy 195, along the S side of a large drain flowing toward the Salton Sea. Comment
  UCR100568  Sibaropsis hammittii Steve Boyd, T. S. Ross 1992-4-1 6775 Riverside Santa Ana Mountains, Elsinore Peak area, south of Lake Elsinore. S base of peak (3448') to SE of Elsinore Peak. 1000 Comment
  CSUSB591  Sidalcea malviflora J. E. Parlevlief 1958-5-11 Riverside Along highway 74, about 3/4 mile west of summit of road on the El Cariso campgrounds 761 Comment
  LA205893