Search Results — 2000 specimen records retrieved (1883 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM279283  Abronia villosa Lyman Benson 1933-3-31 4155 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  UCD109833  Abronia villosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  POM746  Abronia villosa var. aurita Jenkins, Steele 1917-5-30 1935 Riverside San Jacinto. Comment
Read comments
Mar 1 2014
  RSA667026  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  RSA773658  Abronia villosa var. aurita Duncan S. Bell, Joy England 2010-10-5 1977 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  RSA788563  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 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
  RSA775092  Abronia villosa var. villosa Duncan S. Bell, Amber Swanson 2011-2-18 2038 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  SD39336  Abronia villosa var. villosa Edith A. Purer 1935-4-21 6453 Riverside Near Palm Springs. Comment
  UCR178579  Abronia villosa var. villosa R. G. Swinney 1967-2-11 0003 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  OBI37501  Abutilon palmeri A. C. Sanders 1982-11-24 3272 Riverside In the UCR Botanic Garden; Above Alder Cyn near the Garden Office Comment
  UCR253375  Acacia Lauren Velasco 2014-9-2 s.n. Riverside Sonoran Desert; Coachella Valley, La Quinta Park in La Quinta, near the intersection of Adams St. and Blackhawk Way 27 Comment
  SFV5010  Acamptopappus sphaerocephalus F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Old excavated bench, Seven Level Hill about 11 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  POM6640  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz, L. T. Street 1919-5-7 2731 Riverside Colorado Desert, Tahquitz Canyon 229 Comment
  RSA416162  Acamptopappus sphaerocephalus var. sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado desert 400 Comment
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  RSA707841  Achnatherum hymenoides L. M. Prince, N. Refulio 2002-3-16 2 -272 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  CAS-BOT-BC216888  Achnatherum occidentale Ralph Hoffman 1929-9-8 s.n. Riverside Mount San Jacinto [San Jacinto Mountains] 2133 Comment
  RSA559928  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  CLARK-A1528-385  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  JOTR28927  Achyronychia cooperi La Doux, Tasha 2005-3-1 1163 Riverside Joshua Tree National Park. Between Sand Hills and Main Road to Cottonwood Comment
  SD152860  Acmispon heermannii var. heermannii Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7348 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  RSA799073  Acmispon maritimus var. brevivexillus Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6869 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  JOTR35088  Acmispon strigosus La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3539 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  UCR260555  Acourtia microcephala T. B. Salvato, Matt Malle 2014-5-29 8015 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
  CDA6752  Acroptilon repens Steve Boyd 1989-7-6 3758 Riverside South of Jurupa Road, east of intersection with Van Buren Avenue, City of Riverside. 0 Comment
  RSA721885  Adenophyllum porophylloides J. Mark Porter, Orlando Mistretta 2003-6-5 13619 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 southeast. 412 Comment
  RSA730044  Adenophyllum porophylloides R. F. Thorne 1966-10-15 41799 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA390499  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1933-7-24 3679 Riverside Idylwild Road 1372 Comment
  CAS-BOT-BC139873  Adenostoma sparsifolium H. S. Gentry 1954-7-25 14250 Riverside Dripping Springs along route 79 Comment
  SEINET2084147  Adenostoma sparsifolium G. Rink 1999-5-20 sn Riverside San Bernardino National Forest, Santa Rosa Mountains south of Palm Springs 1219 Comment
  UC219242  Agnorhiza ovata E. C. Jaeger 1921-6-14 1054 Riverside Barkers Meadow San Jacinto Mts. Comment
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Nov 6 2011
  UC218030  Agoseris heterophylla var. heterophylla P. A. Munz and J. M. Johnston 1922-5-20 5479 Riverside Kenworthy San Jacinto Mts. 1417 Comment
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Mar 25 2011
  RSA0050598  Agrostis A. C. Sanders, Mitch Provance 2008-7-11 35808 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station, In moist soil along dried stream crossing on Coldwater Trail, at 42.709 N, 42.404 W. 1450 Comment
  UC36982  Agrostis idahoensis H. M. Hall 1901-7-9 2363 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2438 Comment
  UCR194216  Agrostis semiverticillata Scott D. White, Angelia Carey 2004-6-4 10470 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  SD114219  Aliciella micromeria Darley F. Howe 1969-5-15 4588 Riverside Near Dripping Springs Camp ground. 456 Comment
  RSA24222  Allenrolfea occidentalis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, E side of Salton Sea. 1/2 way between Date Palm Beach and Salton Beach. -70 Comment
  RSA0118005  Allionia incarnata var. incarnata Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7623 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR35283  Allium lacunosum var. davisiae L. B. Ziegler 1967-6-27 181 Riverside San Jacinto Mtns., Hemet Valley, Morris Ranch Road area Comment
  RSA747569  Allium munzii Michael Honer 2003-4-16 1829 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 400 m N of peak 2349 . 701 Comment
  UC1544763  Allium munzii Steve Boyd 1986-4-10 1640 Riverside De Palma Rd. 0.1 mi e Indian Truck Trail exit of I-15 (limited to small area at base of slope); Temescal Canyon 371 Comment
  UC1544768  Allium munzii Steve Boyd 1986-4-22 1781 Riverside just w of third powerline tower n of summit of Estelle Mt. Gavilan Hills, Estelle Mt. 841 Comment
Read comments
Oct 26 2011
  UCR27204  Allium munzii L. F. LaPre, E. B. Ellis 1982-4-24 s.n. Riverside Peninsular Range, Temescal Canyon at Indian Truck Trail (De Palmas Road). 349 Comment
  UCR139245  Allium parryi A. C. Sanders, Kate Kramer 2003-6-11 26877 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  CAS-BOT-BC475413  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UCR120804  Allium praecox Ian G. Gillespie, Steve Boyd 2000-4-15 01 Riverside Lake Mathews, Drainage on E side of Monument Peak 488 Comment
  UCR193887  Allophyllum A. C. Sanders, Mitch Provance 2008-7-11 35772 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR214332  Allophyllum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38371 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  POM161529  Allophyllum divaricatum Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  SD143744  Allophyllum divaricatum A. C. Sanders, P. MacKay, T. Thomas and O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road (McMullen Flat), nmorth slope of peak 3740. 1067 Comment
  RSA512758  Allophyllum glutinosum W. Wisura, Bart O'Brien, Durant 1990-6-12 4445 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  SBBG118783  Allophyllum glutinosum S. D. White 1999-7-9 7530 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  UCR26622  Allophyllum glutinosum H. A. Zuill 1966-6-19 229 Riverside Los Alamos Road Comment
  RSA773119  Allophyllum violaceum Duncan S. Bell, Ryan Parker 2010-6-1 1230 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. 771 Comment
  CAS-BOT-BC170130  Alnus rhombifolia Louis C. Wheeler 1933-12-2 2301 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  RSA704856  Amaranthus J. B. B. 1934-6-18 528 Riverside Snow Creek; base of San Jacinto. Comment
Read comments
Feb 16 2013
  RSA507509  Amaranthus albus S. A. Meyers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd & Borel Road. 396 Comment
  UCR108714  Amaranthus blitoides Scott D. White, Pam DeVries 1998-2-9 6075 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA500106  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3664 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCD128860  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs. 152 Comment
  UCR146497  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  CAS-BOT-BC22596  Ambrosia dumosa Lewis S. Rose 1957-1-9 57020 Riverside Palm Desert 91 Comment
  JOTR29388  Ambrosia dumosa La Doux, Tasha, Mike Bell 2006-5-10 1465 Riverside Joshua Tree National Park. East Deception Canyon Comment
  NY43445  Ambrosia dumosa C. R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park Comment
  SEINET2043626 Image available Ambrosia dumosa C. M. Hanagan 1971-5-22 Riverside Approximately 1/4 mi. from the corner of Sunnyslope and Bagley Drive in 29 Palms Comment
  UCR228405  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 143 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCR256334  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 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
  RSA550199  Ambrosia ilicifolia Walter Wisura, J. Romero, M. Husar 1992-4-23 4706 Riverside Low Desert: Corn Spring, N base of Chuckwalla Mts. Comment
  UCR106915  Ambrosia psilostachya D. L. Banks, L. Raz 1996-11-5 1184 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  CAS-BOT-BC273036  Ambrosia salsola Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UCR251670  Ambrosia salsola Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UC898008  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  SBBG25159  Ambrosia salsola var. salsola Leota Davidson 1965-5-14 113 Riverside Pinto Wash, Joshua Tree Nat Monument Comment
  SBBG34635  Ambrosia salsola var. salsola T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  POM48865  Amelanchier pallida Philip A. Munz, I. M. Johnston 1924-7-26 8701 Riverside small ravine, north of Dark Canyon 1524 Comment
  POM265819  Ammannia coccinea J. C. Roos 1937-6-7 2401 Riverside S base of Jackrabbit Trail, San Jacinto Valley Comment
Read comments
Mar 20 2011
  LA204913  Amorpha californica var. californica W. E. Pequegnat; 1937-9-3 sn Riverside Santa Ana Mountains, Bedford Rd 1402 Comment
  UCR275309  Amorpha californica var. californica J. Dansie 2016-5-25 51 Riverside San Bernardino Mtns., Cherry Valley, off Edgar Canyon Road 1215 Comment
  RSA726820  Amorpha fruticosa Steve Boyd, Aydee Virgen 2004-4-13 10849 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCSB23169  Amorpha fruticosa McMinn, Howard 1935-6-27 Riverside Palms to Pine Highway Comment
  UC306211 Image available Amsinckia intermedia Ivan Johnston 1917-3-1 Riverside mouth Andreas Canyon; ; Mouth of Andreas Canon 243 Comment
Read comments
Nov 27 2010
  UCD119698  Amsinckia intermedia T. B. Salvato; Kent Beaman 2005-5-16 786 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCD119702  Amsinckia intermedia R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon. Comment
  CLARK-A1528-325  Amsinckia menziesii Penny Stead 1970-4-14 Riverside Riverside 274 Comment
  JEPS61106  Amsinckia menziesii var. menziesii W. L. Jepson 1939-4-17 19123 Riverside 2 mi s on Road to Temecula Corona Comment
  RSA689377  Amsinckia menziesii var. menziesii Scott D. White 2001-4-19 8384 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
  SD178191  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles west-northwest of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 462 Comment
  UCR228852  Amsinckia retrorsa A. C. Sanders, T. B. Salvato 2011-3-28 38825 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR265021  Amsinckia retrorsa Mitch Provance 2013-4-8 413- 12 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR213579  Amsinckia tessellata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37866 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  RSA0091469  Amsinckia tessellata P. A. Munz 1949-4-12 13024 Riverside North base of Eagle Mts., Mohave Desert. 945 Comment
  UCR213397  Amsinckia tessellata var. tessellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37464 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UC878733  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 1/2 mi. below Cottonwood Spring Comment
  POM19839  Anemopsis californica Mary F. Spencer 1923-6-5 2245 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  UCR174515  Anemopsis californica A. C. Sanders, John F. Green 2006-5-18 32377 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  UCR60547  Anemopsis californica R. F. Thorne 1973-5-23 43878 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  JOTR35463  Anisocoma acaulis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  JOTR37762  Anisocoma acaulis Hodges, Stephen R. 2016-2-29 718 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  CLARK-A1528-5006  Antennaria rosea John C. Roos 1937-8-18 2409 Riverside San Jacinto Mountains 2743 Comment
  RSA735863  Anthriscus caucalis Scott D. White, Justin Wood 2008-4-16 11893 Riverside Menifee Valley, N of Newport Rd. Drainage ditch down stream from golf course. 436 Comment
  CLARK-A1528-839  Antirrhinum coulterianum Ruth Cooper 1968-4-21 Riverside Santa Ana Mountains Comment
  RSA703397  Antirrhinum filipes LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1449 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CLARK-A1528-1418  Apiastrum angustifolium John C. Roos 1938-3-28 728 Riverside La Sierra Comment
  JEPS29307  Apiastrum angustifolium Rimo Bacigalupi and L. Heckard 1962-3-25 8402 Riverside about 10 air mi nw of Elsinore (near Arcilla siding of the A.T. & S.F. Railway, just below and e of state hwy 71, Temescal Wash); Temescal Wash 289 Comment
  RSA524451  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4087 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
  RSA768577  Apium graveolens Justin M. Wood 2010-5-19 1846 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  SDSU9933  Aquilegia formosa Garrison 1962-7-29 Riverside 0.25 miles from center of Idyllwild village in dense growth along bank of Strawberry Creek. 1615 Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  RSA134779  Arabis pulchra A. Martin s.n. Riverside Riverside Comment
  UCR21187  Arabis pulchra A. C. Sanders 1980-5-1 1383 Riverside San Jacinto Mtns, Garner Valley area, 0.7 mi NE of the Kenworthy R.S. on Morris Ranch Rd. 1524 Comment
  RSA629413  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19502 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC24914  Arctostaphylos glandulosa subsp. adamsii P. A. Munz; E. K. Balls 1952-8-21 17984 Riverside Road-Vandeventer Flat to Santa Rosa Peak. 2072 Comment
  RSA543131  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5467 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  RSA629364  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16821 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  RSA629391  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19517 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629418  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19499 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  RSA16509  Arctostaphylos glauca Percy C. Everett 1935-6-17 7149 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 1 mile above Glen Ivy resort. 549 Comment
  RSA631736  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19284 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631787  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16732 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631831  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15529 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  SDSU13967  Arctostaphylos glauca Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2086 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR48503  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR91730  Arctostaphylos glauca A. C. Sanders, J. Goetzen 1996-5-1 18125 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA633676  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20140 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633699  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16669 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633763  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21800 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633768  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16617 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  CAS-BOT-BC434238  Arctostaphylos pringlei Tracy Tennant; Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  POM367447  Arctostaphylos pungens Albert J. Perkins 3303 Riverside Idyllwild region Comment
  RSA635779  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16727 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635796  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16538 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  SD113847  Arctostaphylos pungens Darley F. Howe 1969-5-15 4587 Riverside Santa Rosa Mtns., on Hwy 74, 5 mi E of junction with Hwy 71 1435 Comment
  SD229132  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 670 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SEINET12524530 Image available Arctostaphylos tomentosa subsp. crustacea M. F. Buell, Helen F. Buell 1961-1 s.n. Riverside Santa Ana mts., S of Corona. 1158 Comment
  SD137698  Argemone munita Darin L. Banks, Peter Morrell 1995-5-4 305 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 622 Comment
  UCR133358  Argemone munita Tracy Tennant, J. S. Ross 1998-4-30 MOR- 62 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  CAS-BOT-BC401651  Argemone munita subsp. argentea Aven Nelson; Ruth Nelson 1939-3-30 3341 Riverside Hiway 60, near Desert Center Comment
  RSA722445  Argemone munita subsp. munita J. R. Bruff 1928-4-3 181 Riverside 13 miles W of Desert Center. Comment
  RSA0040095  Argythamnia lanceolata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6257 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  CAS-BOT-BC137644  Aristida adscensionis Peter H. Raven 1958-3-15 11850 Riverside Box Canyon. Comment
  CAS-BOT-BC137652  Aristida adscensionis C. L. Hitchcock 1940-3-30 s.n. Riverside Cottonwood Spring. Comment
  RSA792554  Aristida adscensionis Duncan S. Bell 2012-9-13 4181 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UC1930044  Aristida adscensionis Scott D. White 2001-4-3 8232 Riverside COLORADO DESERT: Shavers Valley. Near 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. Comment
  UCD56429  Aristida adscensionis Geoffrey Levin 1976-10-17 1176 Riverside Colorado Desert, Mecca Hill, Salton Sea Basin, Box Canyon, about 11 miles east of Mecca. 91 Comment
  CAS-BOT-BC137567  Aristida oligantha K. Bonner 1977-10-30 2586 Riverside Ford Day Lake. Midland-Rice Road. Comment
  SEINET190985 Image available Aristida purpurea var. nealleyi A. A. Beetle 1942-4-22 3184 Riverside Desert Center Rt 40 Comment
  CAS-BOT-BC90197  Artemisia californica Frank W. Peirson 1922-12-27 3338 Riverside between the forks, Andreas Canyon, Palm Springs region, Colorado Desert 609 Comment
  RSA125963  Artemisia californica E. K. Balls, Percy C. Everett 1957-11-4 22755 Riverside Snow Creek. 610 Comment
  POM10298  Artemisia douglasiana F. M. Reed 1903-10-24 17 Riverside Cold water canyon above dam, near Riverside Comment
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Apr 7 2011
  SBBG98327  Artemisia tridentata P. A. Munz 1946-10-19 11565 a Riverside Cahuilla 1097 Comment
  SEINET5539637  Artemisia tridentata var. angustifolia H. S. Gentry 1954-1 14251 Riverside Dripping Springs, along Route 79. Comment
  RSA682325  Artemisia vulgaris O. F. Clarke 2000-12-9 s.n. Riverside Riverside: in yard of O.F. Clarke residence at 266 Frost Court. 360 Comment
  JOTR35054  Asclepias albicans La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3506 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
  SEINET9121976  Asclepias californica R. Woglum 1937-1 531 Riverside Temecula Comment
  SEINET10637047  Asclepias fascicularis Harvey M. Hall Hall s.n. 1897 Riverside Kenworthy, San Jacinto Mountains 1372 Comment
  CDA39816  Asclepias subulata W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  OBI52770  Asparagus asparagoides B. Pitzer & E. Misquez, E. Misquez 1988-2-28 636 Riverside Walker Basin, SW of Murrieta, Avenida del Oro, 2 mi S of Ranch Calif Rd 427 Comment
  RSA0011741  Asplenium vespertinum F. W. Peirson 1922-4-28 2919 Riverside Leach Canyon, near Elsinore. 609 Comment
  UCR110417  Aster subulatus A. C. Sanders, Mitch Provance 1999-9-26 23126 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
  RSA737327  Aster subulatus var. ligulatus Justin M. Wood 2008-9-19 143 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SBBG67452  Astragalus M. E. Jones 1929-3-9 Riverside Whitewater Comment
  RSA781390  Astragalus aridus Duncan S. Bell 2010-5-1 907 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  CAS-BOT-BC177731  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  RSA0009606  Astragalus didymocarpus var. dispermus Marcus E. Jones 1903-5-11 s.n Riverside Banning. 701 Comment
  CDA26659  Astragalus douglasii var. parishii E. Bryant Jr. 1967-12-1 Riverside About 4 miles north of Keene s Summit, south of Idylwild on road from Hemet. 0 Comment
  POM229793  Astragalus douglasii var. parishii P. A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak. 2348 Comment
  POM48194  Astragalus douglasii var. parishii Mary F. Spencer 1919-6-18 1190 Riverside San Jacinto Mtns. Comment
  RSA185773  Astragalus douglasii var. parishii I. L. Wiggins 1966-6-4 20670 Riverside 2 miles SW of Idyllwild 1622 Comment
  UCR49236  Astragalus gambelianus Steve Boyd 1986-4-2 1620 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA775106  Astragalus insularis var. harwoodii Duncan S. Bell, Michael Hee 2011-3-18 2047 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UC128577  Astragalus lentiginosus var. coachellae Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  UCD170768  Astragalus lentiginosus var. coachellae George K. Helmkamp 1994-3-8 41 -11 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. and Varner Rd, below Edom Hill. 200 Comment
  UCR169872  Astragalus lentiginosus var. coachellae Nathan Moorhatch, M. D. Wilcox 2004-3-2 s.n. Riverside Sonoran (Colorado) Desert, NW corner of Desert Dunes Golf Course, just outside fence along dirt road [between Dos Palmas Corners and Seven Palms Ranch] 238 Comment
  SEINET887640  Astragalus palmeri George Helmkamp, E. A. Helmkamp 1998-1 3379 Riverside Santa Rosa Mountains: Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  UCR175237  Astragalus palmeri Jim Andre, T. La Doux 2006-4-11 6741 Riverside S Mojave Desert, Joshua Tree National Park: Lost Horse Employee Campground 1286 Comment
  POM295496  Astragalus pomonensis Lyman Benson 1946-4-15 12013 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  UCR91989  Astragalus pomonensis Michael A. Patten 1993-4-28 s.n. Riverside Murrieta, 3/4 mi. NW of California Oaks Road, 1/8 mi. NE of Interstate Hwy 15 366 Comment
  CAS-BOT-BC193172  Astragalus sabulonum Ira L. Wiggins 1938-3-19 8901 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  RSA0121450  Astragalus tricarinatus Duncan S. Bell, LeRoy Gross 2016-3-30 9129 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.5 air miles southeast of the summit of Martinez Mountain. 581 Comment
  UCR129824  Athyrium filix-femina I. W. Clokey, E. G. Anderson 1935-8-21 6504 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  CAS-BOT-BC66101  Athyrium filix-femina var. cyclosorum Grant 1901-8-1 4514 Riverside Strawberry Valley Comment
  UCR20810  Athysanus pusillus A. C. Sanders 1980-4-17 1343 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  CDA10363  Atrichoseris platyphylla T. C. Fuller 1963-4-23 10279 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  CLARK-A1528-1617  Atrichoseris platyphylla John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  UCR52232  Atrichoseris platyphylla Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2161 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA94639  Atrichoseris platyphylla F. W. Peirson 1927-4-12 7158 Riverside Painted Canyon, near Mecca Comment
  RSA557354  Atriplex argentea Julie Greene 1993-6-11 1368 Riverside North of new pond. 441 Comment
  UCR89777  Atriplex argentea Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR109576  Atriplex canescens G. S. Nuessly 1980-10-16 s.n. Riverside Coachella Valley, Indio, SE corner of Kenner Ave. and Monroe St., between Fred Waring Dr. (Ave 44) and the Whitewater River Channel 0 Comment
  RSA787693  Atriplex canescens var. laciniata Duncan S. Bell 2012-4-5 3306 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 137 Comment
  SD138894  Atriplex coronata var. notatior Craig Reiser 1996-5-9 Riverside Hemet; near California Street Comment
  RSA0031555  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  UCR196352  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  JEPS59599  Atriplex lentiformis S. B. Parish 1912-10-10 8264 Riverside Mecca Salton Basin, Mecca -57 Comment
  SD138895  Atriplex parishii Craig Reiser 1996-5-9 Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams. Wheat field (mak 10/07) Comment
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Mar 20 2011
  SEINET4136016  Atriplex rosea Steve Boyd 1991-7-13 6411 Riverside Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash and I-15, just S of Cajalco Rd.; 0 Comment
  UCR123221  Atriplex rosea O. F. Clarke, Jeanine Derby 1973-9-14 s.n. Riverside Peninsular Range, Temecula 300 Comment
  POM319731  Atriplex semibaccata Patricia Wilder 1970-10-30 4845 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender s residence. Santa Ana River Drainage Area 152 Comment
  SEINET7986069  Atriplex semibaccata Virginia Moran 1999-2-9 No determinado Riverside Riverside, Wes Costa Thoroughbred Farm, 12150 Riverside Avenue Comment
  UCR18899  Atriplex serenana John C. Roos 1965-8-3 s.n. Riverside Gilman Hot Springs Comment
  UCD97790  Atriplex serenana var. serenana D. E. Bramlet; D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region; Diamond Valley, just north and east of the Searl Ranch buildings. 482 Comment
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May 18 2015
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR41434  Atriplex triangularis Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  SDSU13514  Avena barbata W. Miller 1972-7-5 Riverside Comment
  RSA0063034  Avena barbata Andrew Haimov, April Sleigh 1992-5-19 92 Riverside 1 1/2 miles east of Davis Road, next to reclaimed water storage site, San Jacinto Wildlife Area. Comment
  SD152999  Avena fatua Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon, along trail 305 Comment
  UCR158254  Avena fatua A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30114 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
  JEPS13897  Ayenia compacta Marjorie Clary 1932-1-22 Riverside Desert canyons at base of Santa Rosa Mountains, southwest of Coral Reef, Coachella Valley Comment
  SDSU21799  Baccharis glutinosa Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3990 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  RSA772526  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4432 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM96063  Baccharis salicifolia Philip A. Munz 1925-12-31 10821 Riverside Thousand Palms Comment
  SD136926  Baccharis salicina Steve Boyd 1994-10-14 8377 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon 341 Comment
  POM183880  Baccharis sergiloides Philip A. Munz 1932-10-16 12843 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  CAS-BOT-BC295901  Bahiopsis parishii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9550 Riverside Cottonwood Springs Canyon Comment
  RSA1081  Bahiopsis parishii J. T. Howell 1927-4-1 527 Riverside Mission Creek, Colorado Desert 610 Comment
  RSA552540  Bahiopsis parishii D. Charlton 1987-12-6 1099 Riverside Cottonwood Canyon, first canyon west of Whitewater. North of the 10 freeway. North of Palm Springs. Foothills of San Bernardino Mtns. 762 Comment
  UCSB10341  Baileya multiradiata Yokoyama, Howard 1953-4-11 Riverside 9 miles east of Indio Comment
  JOTR32373  Baileya pleniradiata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2484 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  CAS-BOT-BC16366  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail. 853 Comment
  UCR207303  Bassia hyssopifolia John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR275573  Bassia hyssopifolia T. B. Salvato 2005-6-13 605- 8 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA502593  Bassia hyssopifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3729 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  SBBG133352  Bebbia juncea S. D. White, A. Carey 2004-7-2 10563 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR148308  Bebbia juncea 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
  UCR21794  Bebbia juncea Steve Boyd, L. LaPre 1980-9-9 s.n. Riverside Santa Rosa Mtns, Magnesia Spring Canyon 244 Comment
  JEPS20769  Bebbia juncea var. aspera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13263 Riverside divide betw. Little Maria and Big Maria Mts., .5 mi s of Styx siding near Midland Comment
  RSA604715  Bebbia juncea var. aspera L. C. Wheeler 1961-10-8 7932 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  SD229077  Bebbia juncea var. aspera Dick Schwenkmeyer 2012-5-22 724 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR226996  Bebbia juncea var. aspera Jim Andre 2011-2-2 16216 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR241957  Bebbia juncea var. aspera A. C. Sanders, John F. Green 2012-3-21 39983 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  CDA6861  Bellis perennis J. E. Davis 1959-8-31 2998 Riverside 3893 Larchwood Place, Riverside. 0 Comment
  CLARK-A1528-5635  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  UCR240639  Berberis dictyota Tracy Tennant, Mitch Provance 1998-6-16 MOR- 429 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA577342  Bernardia incana A. M. Alexander, Louise Kellogg 1941-5-10 2144 Riverside 3 mi. NE of Cottonwood Springs, Eagle Mountains 1037 Comment
  UCD142297  Bernardia incana C. W. Tilforth; W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook; S. of Palm Desert; Hiway 74 above Deep Canyon. Comment
  JEPS7826  Bernardia myricifolia Rimo Bacigalupi with L. R. Heckard 1953-5-5 4075 Riverside w. slopes Deep Canyon (ca. 1/2 way betw. Santa Rosa Mts. & San Jacinto Mts., above Seven Level Hill, along Palms-to-Pines Hwy.(CA #74), bordering w. side Coachella Valley); w. Riverside Co., w. Coachella Valley, Deep Canyon 1066 Comment
  NY43196  Bernardia myricifolia J. B. Walker 1995-5-3 1405 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  SEINET8466124 Image available Bloomeria crocea B. Fuchs 1968-5-15 12 Riverside Riverside County, California HWY 71, southwest of Lake Elsinore Comment
  RSA367448  Bloomeria crocea var. crocea Jeannette B. Edge 1934-4-18 s.n. Riverside Near Highgrove. Comment
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Jun 10 2012
  RSA0035480  Boechera A. C. Sanders 2013-7-6 40857 Riverside SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  CAS-BOT-BC16107  Boechera californica Philip Alexander Munz 1937-5-30 15085 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  POM305718  Boechera californica Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1021 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UC855388  Boechera perennans K. Watkins and E. McClintock 1937-4-10 Riverside Palms to Pines highway, near road to Shumay Comment
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Dec 17 2011
  JOTR30986  Boechera xylopoda La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1964 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  UCR35203  Boerhavia intermedia L. B. Ziegler 1967-8-26 236 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  SBBG93086  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Tabaseca Tank, in the extreme northern end of the Chocolate Mtns; Chocolate Mtns Aerial Gunnery Range 610 Comment
  SEINET3920214  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn Rd.; 0 610 Comment
  JEPS20782  Bouteloua aristidoides var. aristidoides Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13239 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising in mountains); Big Maria Mts. Comment
  RSA126996  Bouteloua barbata H. S. Yates 1927-6-28 6732 Riverside Palm Springs. 137 Comment
  RSA712215  Bouteloua barbata var. barbata Andrea Warniment, Pam De Vries 2005-12-13 ADW- 6 Riverside Northern edge of Interstate-10, next to road shoulder, east of Indio. 76 Comment
  UCR195794  Bouteloua barbata var. barbata Tasha La Doux, J. Andre 2007-9-6 135 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  SD144090  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  SD236161  Bowlesia incana John F. Green 2006-5-2 Riverside Peninsular Ranges: French Valley; small unnamed drainage in agricultural field along Leon Road 409 Comment
  JEPS42503  Brandegea bigelovii W. L. Jepson 1927-4-12 11671 Riverside Mecca Hills Painted Canyon (Painted Canyon); , Painted Canyon 76 Comment
  OBI2994  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi S of Palm Desert 61 Comment
  RSA394244  Brandegea bigelovii M. B. Dunkle 1935-4-17 4564 Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  RSA796749  Brandegea bigelovii J. Andre 2012-4-11 20840 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR148303  Brandegea bigelovii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR90963  Brassica geniculata Scott D. White 1996-3-16 3819 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  SEINET10481266  Brassica incana David B. Dunn 1948-6-18 Dunn 3834 Riverside Planted along hwy near Cabazon. Along roadside. Comment
  UCR5972  Brassica rapa Steve Stadler 1966-3-10 31066- 23 Riverside Peninsular Range, Corona Area. Located 1 mi east of Corona along old Temescal Road 1/4 mi north of Rimpau Ave. Corner of Old Temescal Rd. and Rimpau is 1/2 mi west of the John Manuill Fiberglass Plant. 213 Comment
  CAS-BOT-BC36849  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60, about 1.5 mile southeast of Garnet Hill. Comment
  RSA715192  Brassica tournefortii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32527 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
  RSA772327  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4507 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0063253  Brassica tournefortii Hulda Crooks 1946-3-2 252 Riverside N. of Palm Springs. 139 Comment
  POM159822  Brickellia arguta var. arguta E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  CDA19751  Brickellia californica H. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  RSA0097952  Brickellia californica Duncan S. Bell 2014-11-14 7721 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR34878  Brickellia californica L. B. Ziegler 1973-10-20 520 Riverside San Jacinto Mtns., Hemet (Garner) Valley, W side of valley. 1500 Comment
  JOTR35236  Brickellia desertorum Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  SEINET7048183  Brickellia desertorum Steven R. Hill 2001-5-3 33692 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CDA10550  Brickellia incana G. D. Barbe, J. L. Johnson 1982-11-2 4028 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  CAS-BOT-BC149441  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 914 Comment
  SD247282  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass: San Gorbonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  SDSU17526  Bromus catharticus Jerry Jenkins 2001-4-3 2001 -041 Riverside Santa Margarita Ecological Reserve. Organ grove near station, UTM zone 6, 482100E, 3699050N. UTM transfered to GIS. Comment
  UCD59301  Bromus diandrus A. A. Beetle 1944-4-27 1998 Riverside West of Murietta. Comment
  UCR96873  Bromus hordeaceus Scott D. White 1993-4-30 1310 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA678941  Bromus madritensis Scott D. White, Michael Honer 2003-6-3 9485 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA0042632  Bromus madritensis Paul Shirokawa 1998-5-15 45 Riverside Cleveland National Forest; Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  UCR24949  Bromus marginatus A. C. Sanders 1980-7-18 1655 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA774498  Bromus rubens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4420 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 W116.64306 487 Comment
  SEINET3222959 Image available Bromus rubens Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi W of Temecula, with Ave. del Oro as the N boundary. 380 Comment
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  RSA405295  Caesalpinia virgata Ora M. Clark 1929-3-17 1753 Riverside S. La Quinta, Cali. Comment
  RSA697936  Caesalpinia virgata J. Russell Bruff 1929-12-27 446 Riverside 1000 Palms. Comment
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Nov 9 2011
  SEINET7347688  Caesalpinia virgata N. H. Holmgren, P. K. Holmgren 1974-3-23 7462 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UC128445  Caesalpinia virgata Marcus E. Jones, A. M. 1906-4-27 Riverside Indio Comment
  UCR89830  Caesalpinia virgata George K. Helmkamp 1994-3-10 42- 18 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  CLARK-A1528-3811  Calandrinia ambigua John C. Roos 1949-5-5 4098 Riverside Orocopia Comment
  JEPS5836  Calandrinia ambigua Dr. L. M. Newlon 1922-4-2 417 Riverside along hwy between Westmoreland and Indio Indio; Colorado Desert Comment
  RSA466561  Calandrinia ciliata Ora M. Clark 1929-4-7 2040 Riverside S. Hemet. Comment
  UCR241947  Calandrinia ciliata A. C. Sanders, Timothy W. Chumley 2013-3-28 40706 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 393 Comment
  UCR91464  Calandrinia ciliata Scott D. White 1995-3-30 2659 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  UCR20524  Callitriche heterophylla E. W. Lathrop 1966-5-1 6225 Riverside Peninsular Range, 3 mi west of Murrieta Comment
  RSA444479  Calochortus albus J. C. Roos 1960-5-30 s.n. Riverside Ridge between heads of Bedford Canyon and East Fork Ladd Canyon 1220 Comment
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May 20 2011
  SEINET12048473  Calochortus albus E. W. Lathrop 1973-1 7501 Riverside Main divide truck trail between El Carriso and Santiago Peak, Cleveland National Forest 1219 Comment
  RSA0120439  Calochortus concolor Duncan S. Bell, LeRoy Gross 2016-5-18 9596 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  UC3392  Calochortus invenustus H. M. Hall 1901-6 2297 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  CAS-BOT-BC132463  Calochortus plummerae Carl B. Wolf 1932-5-25 3696 Riverside [Bad Lands] Badlands, SW. of Beaumont, 1 1/2 mi. SW. of summit of Moreno Grade 548 Comment
  UCR117699  Calochortus plummerae Mitch Provance 1998-6-11 652 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  IRVC2495  Calochortus splendens D. C. 1965-4-27 s.n. Riverside Palm Springs Sonoran Desert Comment
  RSA500978  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3125 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
  UCR135840  Calochortus splendens A. C. Sanders 2004-4-20 27543 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
  UCR1591  Calochortus splendens R. L. Needham 1962-5-20 10089 Riverside San Jacinto Mtns., Banning-Idyllwild Hwy [243], c. 5 mi from Banning 915 Comment
  UCR174331  Calochortus splendens A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32559 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
  UCR128310  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  RSA680491  Calochortus weedii var. weedii Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9594 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  RSA263764  Calycadenia tenella E. W. Lathrop 1968-6-2 6952 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR68719  Calycadenia tenella Steve Boyd 1990-4-28 4442 A Riverside Peninsular Range, Big Oak Mountain, Vail Lake Area 795 Comment
  CAS-BOT-BC282922  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Comment
  UC420634  Calyptridium monandrum Fred M. Reed 1907-5-26 1376 Riverside above Mount Rubidoux (Riverside and vicinity); Riverside Comment
  UCR238086  Calyptridium monandrum Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2054 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR80810  Calyptridium monandrum Scott D. White 1993-5-29 1441 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UC130501  Calyptridium parryi var. parryi Charlotte M. Wilder 1909-7-10 942 Riverside head of Willow Creek (on trail to Round Valley, near log cabin) 2804 Comment
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Apr 2 2008
  UCR226051  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  RSA586723  Calystegia macrostegia subsp. arida 1995-5-17 0445 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCR2851  Calystegia macrostegia subsp. longiloba Vivian Manns 1963-3-22 630322- 5 Riverside San Bernardino Valley Region, Riverside, Box Springs Mountains c. 1 mi E from end of Big Springs Road. 610 Comment
  CAS-BOT-BC221317  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock; C. V. Muhlick 1964-3-17 23108 Riverside 10 miles n. of Pala, on road to Elsinore Comment
  CLARK-A1528-2608  Calystegia sepium John C. Roos, Lucille Roos 1952-6-10 5763 Riverside Riverside 259 Comment
  UCR207596  Calystegia sepium subsp. binghamiae O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA688850  Camissonia bistorta Scott D. White, Michael Honer 2003-5-13 9260 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
  SEINET4680881  Camissonia bistorta R. L. Piemeisel 1913-4-27 3616 Riverside W. of Crestmore.; 0 Comment
  UCR116416  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-3-30 23870 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR174163  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32640 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
  RSA175081  Camissonia boothii subsp. condensata Robert F. Thorne 1963-3-29 32426 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA781903  Camissonia boothii subsp. condensata Duncan S. Bell 2010-5-1 887 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
  POM14267  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4795 Riverside Palm Springs. 457 Comment
  UCR216495  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-3-10 11242 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  JOTR31006  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA466183  Camissonia californica Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains. 457 Comment
  RSA136890  Camissonia cardiophylla Peter H. Raven 1958-1-24 11472 Riverside Painted Canyon, near Mecca. Comment
  RSA701085  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11240 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR16384  Camissonia cardiophylla Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon about 8 miles east of Mecca 274 Comment
  RSA781997  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR102715  Camissonia claviformis B. G. Pitzer 1998-1-24 3400 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  POM200857  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA448924  Camissonia claviformis subsp. aurantiaca Ora M. Clark 1929-2-23 1559 Riverside E. Whitewater. Comment
  RSA449213  Camissonia claviformis subsp. aurantiaca Robert M. Perkins, H. de Forest 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  UCR98303  Camissonia confusa Scott D. White 1993-5-29 1459 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR260545  Camissonia hirtella T. B. Salvato, Matt Malle 2014-5-29 8025 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
  POM9307  Camissonia ignota P. A. Munz, Harwood 1920-3-30 3380 Riverside 5 mi. So. of Corona. 305 Comment
  SEINET242054  Camissonia pallida A. C. Sanders 2001-3-20 23854 Riverside Western Colorado Desert: Coachella Vly, Garnet, N side of 19th Ave, 0.5 mi (air) NW of intersxn of I-10 and Indian Ave. 235 Comment
  SEINET3142508  Camissonia pallida A. L. Reina G., TR Van Devender 2003-3-30 2003 -316 Riverside Palm Springs 159 Comment
  UCR114122  Camissonia pallida B. G. Pitzer, J. Ross 1998-3-8 3604 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  CLARK-A1656-710  Camissonia pallida subsp. pallida Theo Glenn 1979-3-3 Riverside Palm Springs Comment
  UCR216354  Camissonia pallida subsp. pallida Mike Bell 2008-3-19 044 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  POM67091  Camissonia refracta Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA144820  Camissonia refracta E. G. Linsley, J. W. MacSwain 1960-3-2 60 -5 Riverside 2 miles west of Desert Center. Comment
  RSA774305  Camissonia refracta Duncan S. Bell 2011-4-8 2196 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR249509  Camissonia refracta T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7281 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCSB24361  Camissonia strigulosa Meyer, Carl 1927-6-1 Riverside San Jacinto Mts, Saunder's Meadow Comment
  UC1979553  Camissoniopsis hirtella Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR166102  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. Nuhn 1995-4-20 16578 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
  RSA716067  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
  SEINET7063425 Image available Carex A. G. Vestal 1947-3-30 s.n. Riverside West of Cahuilla Valley on Route 371. UTM Zone 11, 519809mE, 3708775mN. (WGS84/NAD83). 1045 Comment
  UC1022804  Carex alma Philip A. Munz 1938-8-14 15366 Riverside head of Black Rabbit Canyon Toro Peak; Santa Rosa Mountains 2377 Comment
  RSA0042251  Carex alma N. Miles Fellows, Andrew C. Sanders 1985-5-7 168 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village. 488 Comment
  SEINET10945977  Carex multicaulis V. Soza, Naomi S. Fraga; S. Swartzentruber 2003-6-25 Soza 1699 Riverside Peninsular Ranges; San Jacinto Mountains region: Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  IRVC28981  Carex praegracilis A. C. Sanders 1997-3-19 20044 Riverside Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. Lake Skinner area 445 Comment
  RSA710827  Carex praegracilis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18119 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1100 Comment
  UCD140768  Carex praegracilis E. W. Lathrop 1960-6-9 4968 Riverside 14 miles west of Murrieta. Comment
  UCR50155  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA703538  Carthamus tinctorius R. E. Riefner Jr. 2004-4-27 04 -144 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  CAS-BOT-BC353428  Castela emoryi Marcus E. Jones 1929-9-16 24964 Riverside Near Desert Center Comment
  POM160613  Castela emoryi Marcus E. Jones 1929-3-9 s.n. Riverside Hayfields Comment
  POM8059  Castela emoryi Childs 1920-5-15 s.n. Riverside Hayfields'' at Northern end of Colorado Desert. Comment
  RSA699035  Castela emoryi J. Russell Bruff 1928-4-3 182 Riverside 13 miles W of Desert Center Comment
  UCR217305  Castela emoryi Nathan Moorhatch, Shari Norton 2010-5-7 s.n. Riverside Sonoran (Colorado) Desert, north of Desert Center, north of the golf course and east of the bend in Eagle Mountain Road 198 Comment
  CLARK-A1528-4171  Castilleja affinis John C. Roos 1966-4-5 Riverside Winchester Comment
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  POM12854  Castilleja applegatei subsp. martinii Philip A. Munz 1922-6-26 5834 Riverside Road to Santa Rosa. 1738 Comment
  POM229446  Castilleja applegatei subsp. martinii Philip A. Munz 1937-5-30 15078 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  RSA773126  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-4 1262 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA779955  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside In a side canyon off of the West Fork of Mission Creek approximately 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek. 944 Comment
  UC1979664  Castilleja foliolosa Darin L. Banks, Steve Boyd 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCR131621  Castilleja martinii L. C. Wheeler 1931-10-3 193 Riverside San Jacinto Mtns., summit of Tahquitz Peak 2691 Comment
  SD136752  Castilleja minor subsp. spiralis Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7329 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  UCR193419  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35630 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCSC000664  Castilleja minor subsp. spiralis I. J. Condit 2010-6-24 s.n. Riverside along stream stream - San Jacinto River Comment
  RSA0010911  Castilleja minor subsp. spiralis C. M. Dammers 1930-10 s.n. Riverside Palm Springs. Comment
  UC1595597  Caulanthus heterophyllus Steve Boyd, Tim Ross 1990-5-11 4621 Riverside e Dripping Springs campground (base of Agua Tibia Mtn. Vail Lake area, Cleveland National Forest, s of Hwy 79); Cleveland National Forest, Vail Lake Area, base Agua Tibia M 548 Comment
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Mar 13 2008
  SBBG101701  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6103 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  PASA1640  Ceanothus crassifolius Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA543205  Ceanothus crassifolius Steve Boyd 1991-3-17 5480 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA575071  Ceanothus crassifolius Steve Boyd 1981-3-4 575071 Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SDSU13520  Ceanothus crassifolius W. Miller 1972-8-9 Riverside Comment
  UCR281480  Ceanothus crassifolius Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 80 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  RSA399040  Ceanothus cuneatus Bonnie C. Templeton 1953-6-26 s.n. Riverside Idyllwild 1646 Comment
  RSA575060  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -e Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA399850  Ceanothus greggii var. perplexans M. B. Dunkle 1938-4-3 5242 Riverside South of Nightingale. Santa Rosa Mountains 854 Comment
  HSC86327  Ceanothus integerrimus Jane Hildreth 1981-6-4 16 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  CAS-BOT-BC51276  Ceanothus leucodermis Lyman Benson 1932-3-26 3186 Riverside Summit Temecula Grade 609 Comment
  LA44859  Ceanothus leucodermis W. Pequegnat; 1939-4-8 45 Riverside Santa Ana Mountains Comment
  RSA462400  Ceanothus leucodermis H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA82948  Ceanothus leucodermis R. M. Straw 1953-6-5 450 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  RSA0019596  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1922-5-19 5401 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  UC1071165  Ceanothus oliganthus var. oliganthus R. St. John 1931-3-4 192 Riverside Tim Mine Canyon Corona quad. 609 Comment
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Jun 17 2013
  RSA570000  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7915 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  UC1611573  Ceanothus ophiochilus Steve Boyd, Tim Ross 1993-3-23 7892 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 609 Comment
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Sep 20 2010
  SEINET10951518  Ceanothus ophiochilus Steve Boyd, Timothy S. Ross; Laurel Arnseth 1989-1 Riverside Comment
  RSA6035  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  SD42462  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside San Jacinto Mts. Keen Camp Cummit, Between Keen Camp P. O. & Hemet Valley 1493 Comment
  RSA0022328  Ceanothus perplexans A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24949 Riverside The Badland: hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR185126  Ceanothus perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside San Jacinto Mountains, Peninsular Ranges; c. 2.5 mi. up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat 1585 Comment
  UCR30792  Ceanothus perplexans A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3866 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  UCR155337  Ceanothus sorediatus A. C. Sanders, Mike Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCD57824  Cenchrus longispinus H. S. Yates 1937-6-28 6734 Riverside Palm Springs 137 Comment
  UCR115138  Centaurea melitensis Mitch Provance 2000-10-28 2273 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR156085  Centaurea melitensis T. B. Salvato, Kent Beaman 2005-5-16 809 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
  UCR159773  Centaurea solstitialis Chris E. True, Robert Cox 2005-6-17 s.n. Riverside Beaumont Badlands, San Timoteo Canyon, north of historic schoolhouse and RR tracks, just NE of El Casco Lakes 610 Comment
  UC1520009  Centaurium venustum Robert Gustafson and Gary Wallace 1983-6-23 2705 Riverside near Clinton Keith Road junction with the Tenaja Road (Clinton Keith Road); Santa Ana Mts. Comment
  SEINET7379751 Image available Centromadia pungens G. R. Hall 1905-9-3 s.n. Riverside Riverside Comment
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Apr 1 2018
  HSC85246  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Harford Springs County Park, N of big meadow, Gavilan Hills Comment
  UCR25793  Cerastium glomeratum John C. Roos 1952-4-16 5556 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  RSA405367  Cercidium floridum Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  RSA623939  Cercidium floridum Arthur R. Kruckeberg 1939-8-11 150 Riverside 10 miles S of Indio, Coachella Valley Comment
  JEPS64758  Cercidium floridum subsp. floridum W. L. Jepson 1928-4-23 12545 Riverside Shavers Well Colorado Desert 152 Comment
  UCR187470  Cercocarpus betuloides Diane Menuz, Carlos Navarro, Andrea Salzman 2006-3-24 018 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest, next to fenced off radio towers 1069 Comment
  SD229254  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-8-6 772 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SD229255  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-3-26 660 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UC1366099  Cercocarpus betuloides var. betuloides K. R. Montgomery 1969-9-6 47 Riverside 18 mi s of Hemet (Wilson Valley Road) 1097 Comment
  UCR175182  Cercocarpus betuloides var. betuloides Jim Andre 2006-4-26 6754 Riverside South Mojave Desert, Joshua Tree National Park: c. 5 mi NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1321 Comment
  CAS-BOT-BC279536  Chaenactis artemisiifolia John Thomas Howell 1930-5-10 4810 Riverside 6 miles ne. of Aguanga Comment
  CAS-BOT-BC276391  Chaenactis carphoclinia E. C. Jaeger No date on label s.n. Riverside Eagle Canyon Comment
  LA203117  Chaenactis carphoclinia var. carphoclinia A. M. Johnson; 1928-5-5 360 Riverside Painted Canyon Comment
  RSA314647  Chaenactis fremontii R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55440 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SD232175  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 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
  SJSU11752  Chaenactis fremontii T. N. Seeno 1963-4-12 278 Riverside Sky Valley (in Coachella Valley) c. 10 mi N of Palm Springs 426 Comment
  UC31002  Chaenactis fremontii S. B. Parish Apr 4 1896-Apr 13 1896 4119 Riverside desert base of San Jacinto Mt.; , Palm Springs (Agua Caliente) 152 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  UCR187494  Chaenactis glabriuscula Theresa Johnson 2006-5-22 118 Riverside Peninsular Range, southern Durasno Valley, Silverado site, 5 miles SSW of Anza 1311 Comment
  RSA586728  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-17 0450 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  CAS-BOT-BC277549  Chaenactis glabriuscula var. lanosa G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  POM230183  Chaenactis stevioides I. W. Clokey 1933-4-17 6942 Riverside Cottonwood Springs. Comment
  SBBG54443  Chaenactis stevioides S. See 1958-3-29 196 Riverside Joshua Tree Nat Monument at Fried Liver Wash 548 Comment
  POM351834  Chaenactis stevioides var. stevioides M. B. Dunkle 1937-3-25 4938 Riverside Colorado Desert. Comment
  RSA152512  Chaenactis stevioides var. stevioides R. C. Bacigalupi 1953-4-20 4039 Riverside Hwy 60-70, opposite Hayfield Dry Lake, 7 miles E of Shaver Summit. 442 Comment
  JOTR31118  Chamaesyce albomarginata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2501 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  UCR260958  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  SBBG104670  Chamaesyce polycarpa J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  RSA651896  Chamaesyce polycarpa var. polycarpa Douglas A. Springer 1981-2-16 11 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  RSA784774  Chamaesyce setiloba Duncan S. Bell 2012-3-18 3178 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
  IRVC3123  Cheilanthes clevelandii R. H. Whittaker, W. A. Niering 1963-6-2 SJ 172 Riverside Mountain Center-Hemet Highway [74]. Peninsular Ranges, San Jacinto Mountains 1128 Comment
  RSA500534  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3626 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  RSA586048  Cheilanthes clevelandii Darin L. Banks, Steve Boyd 1995-3-16 100 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. 554 Comment
  CAS-BOT-BC70040  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-29 s.n. Riverside Palm Springs Comment
  POM11164  Cheilanthes covillei Philip A. Munz 1922-7-1 5937 Riverside Santa Rosa Mountains: Old Santa Rosa. 1402 Comment
  POM120993  Cheilanthes covillei Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR93198  Cheilanthes newberryi G. P. Schultz 1994-4-7 90 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  POM885  Cheilanthes parryi Anonymous 1904-1 s.n. Riverside Chino Canyon, Palm Springs Comment
  SEINET3870277  Cheilanthes parryi Louis C. Wheeler 1964-10-17 8638 Riverside Orocopia Mountains: South of Hayfield Reservoir (lake) Colorado Desert.; 0 Comment
  UCR147842  Cheilanthes parryi Steve Boyd, Et al. 2004-5-14 11278 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  RSA0047238  Cheilanthes parryi Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mountains. 671 Comment
  UCR103221  Chenopodium berlandieri Scott D. White 1994-10-17 2464 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  RSA567983  Chenopodium californicum Karin Cleary 1992-4-6 112 Riverside Drainage depression W of California St., Reinholt Canyon, Hemet. 579 Comment
  SDSU13951  Chenopodium californicum Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2068 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  UCR115133  Chenopodium missouriense Mitch Provance 2000-10-14 2251 Riverside Santa Ana River Bluffs, Belltown/ Crestmore area, near the corner of Wilson and Holly Sts. on the W side of the Santa Ana River 268 Comment
  POM248398  Chenopodium pratericola Philip Crow 1939-7-20 s.n. Riverside Blythe. Comment
  CAS-BOT-BC231770  Chilopsis linearis W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC231788  Chilopsis linearis Milo S. Baker 1928-4-3 2777 a Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  UCR16157  Chilopsis linearis J. N. Bullock 1970-5-8 P 17 Riverside Western Colorado Desert, 100 meters SE of Calif. State Hwy 195, 8.9 m. E. of the ['All American'] Coachella Canal 293 Comment
  UCR84598  Chilopsis linearis Scott D. White, S. Ogg 1994-4-21 1965 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  RSA0117616  Chilopsis linearis subsp. arcuata Sarah J. J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  UC1280918  Chilopsis linearis subsp. arcuata H. E. McMinn 1935-6-27 4075 Riverside Palm Springs Comment
  UCD121659  Chilopsis linearis subsp. arcuata Marian L. Vincent; Richard H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Hwy. 111. 365 Comment
  UC489077  Chimaphila menziesii C. V. Meyer 1928-6-14 451 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  CLARK-A1528-4574  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside 304 Comment
  JEPS73976  Chloris virgata S. B. Parish 1913-2-28 8461 Riverside Mecca; Salton Basin, Mecca -57 Comment
  SD251135  Chlorogalum parviflorum Duncan S. Bell, D. Bernie, K. Broz, K. Clark J. Fournier S. Gaughen, H. Gray, Ed Howland, C. Mack, T. Oberbau, E. Portland N. Robbins P. Roullard K. Stewart N. Uelman 2013-6-7 5041 Riverside Pala Indian Reservation, back behind the water tower on the southern flanks of Tourmaline Queen Mountain. 177 Comment
  RSA0049539  Chlorogalum parviflorum Steve Boyd, David E. Bramlet 1990-4-29 4512 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA607345  Chorizanthe R. S. Woglum 1937-5-22 526 Riverside Temecula. Comment
  UCR167200  Chorizanthe brevicornu S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR60784  Chorizanthe brevicornu Steve Boyd, Orlando Mistretta 1986-3-13 1422 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  HSC49386  Chorizanthe brevicornu var. brevicornu D. L. Goforth 1979-4-1 110 Riverside Box Canyon 10 mi. E of Mecca on Hwy. 195 220 Comment
  JOTR33987  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding 2010-4-7 2875 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA25154  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring. Comment
  RSA65184  Chorizanthe corrugata F. W. Peirson 1926-2-22 6509 Riverside Thousand-Palms Canyon. 152 Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCR174432  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32480 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
  RSA65172  Chorizanthe fimbriata var. fimbriata F. W. Peirson 1920-6-22 2165 Riverside Dripping Spring southeast of Temecula 457 Comment
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Nov 4 2014
  RSA700060  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  SBBG37953  Chorizanthe parryi var. parryi T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UC72681  Chorizanthe parryi var. parryi Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA561890  Chorizanthe procumbens Steve Boyd 1992-6-10 7639 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 on Tenaja Road (7S01), and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR121210  Chorizanthe staticoides D. E. Bramlet 1991-5-10 2145 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  UC187937  Chorizanthe watsonii S. B. and W. F. Parish April, 1882 Riverside borders of Colorado Desert at Agua Caliente; borders of Colorado Desert at Agua Caliente Comment
  RSA0098335  Chorizanthe xanti var. leucotheca Marc A. Baker 2015-4-14 18317 Riverside San Gorgonio Pass, 4.2 km east of the San Gorgonio River, 28 km WNW of Palm Springs. 640 Comment
  UCR23263  Chorizanthe xanti var. leucotheca J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto, [Tahquitz Creek Canyon] 1220 Comment
  UCR23785  Chrysothamnus nauseosus John C. Roos 1943-10-16 2738 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  UCR114937  Chrysothamnus nauseosus subsp. consimilis Dave Ezell 1999-7-8 01 B Riverside Corona (Home Gardens), Promenade St. 0.2 mi. west of McKinley, 70-80 ft. north of 91 freeway. (El Sobrante de San Jacinto Spanish land grant) 210 Comment
  RSA5581  Chrysothamnus paniculatus C. B. Wolf 1932-10-13 4314 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 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
  RSA0031747  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4553 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  UC1595799  Chylismia brevipes W. Wisura, J. Dolan, M. Wall 1992-3-24 4635 Riverside on Box Canyon Rd 13.1 mi ne Mecca; Lowdesert Comment
  UCR269847  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42375 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB4508  Chylismia brevipes Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  SD21522  Chylismia brevipes subsp. brevipes Frank F. Gander 1938-5-21 5765 Riverside Shaver's Summit. Comment
  UC1184317  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11861 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  UC1184369  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11473 A Riverside roadside 1.5 mi w Mecca Comment
  RSA0059654  Cirsium occidentale Steve Boyd, Tim Ross 1991-6-14 6403 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA85521  Cirsium occidentale var. californicum J. C. Roos 1952-4-27 5586 Riverside San Timoteo Canyon south of Redlands. 427 Comment
  POM6150  Cirsium scariosum L. T. Street 1917-5-15 s.n. Riverside Near Elsinore Comment
  CAS-BOT-BC438853  Cistanthe monandra L. R. Abrams 1935-4-7 13670 Riverside Gavilan Hills, 2 mi. S.W. of Perris Comment
  RSA0123671  Cladium californicum Duncan S. Bell, Andrew Chambers 2016-12-21 10218 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -25 Comment
  RSA791720  Clarkia Robert F. Thorne, Walter Wisura, David Mitchener 1982-05 55196 Riverside Cleveland National Forest: Along Ortega Hwy. 732 Comment
  UCR91511  Clarkia epilobioides Scott D. White, M. Jacobsmeyer 1996-4-20 3938 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore. c. 1 road mi east of Bundy Canyon Road exit from Hwy I-15 freeway. south of road. 451 Comment
  JEPS43759  Clarkia similis W. L. Jepson and H. M. Hall 1901-5-19 1265 Riverside San Jacinto River Comment
  POM12718  Claytonia parviflora subsp. tenuifolia P. A. Munz 1922-6-30 5910 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA552733  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6754 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA586804  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-5-3 0241 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR216397  Claytonia perfoliata subsp. perfoliata Mike Bell 2008-3-30 024 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  LA207252  Clematis ligusticifolia L. Crutcher; 1933-8-19 20 Riverside San Jacinto Mountains, Stream back of Camp Tahquitz Comment
  UCR118234  Clematis ligusticifolia Mitch Provance 1999-5-4 1685 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA747517  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UC1125907  Clematis pauciflora R. St. John 1931-2-19 186 Riverside w. Elsinore; Elsinore Quad. Comment
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Nov 27 2011
  UCR50391  Clematis pauciflora L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  UCSB10606  Clematis pauciflora Gill, Robert 1960-3-23 Riverside San Jacinto Mt. Range; Snow Cayon; near end of road 563 Comment
  RSA440822  Cleome isomeris M. B. Dunkle 1932-3-25 s.n. Riverside Cabazon. Colorado desert. 457 Comment
  RSA575905  Cleome isomeris Steve Boyd 1994-10-14 8402 Riverside Southern Santa Mountains, Santa Rosa Plateau, east of the Tenaja Guard Station of the Clevelands National Forest, at the intersection of Tenaja Road and Wildomar Truck (7S01) 671 Comment
  RSA0117453  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-10 983 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  UC26586  Collinsia concolor H. M. Hall Jun 1901 2025 Riverside San Jacinto Mtns 1371 Comment
  UC1608302  Collinsia parryi Steve Boyd and Orlando Mistretta 1992-4-23 7072 Riverside following San Mateo Trail upstream to confluence with Bluewater Canyon (along San Mateo Creek from Riverside County line, San Mateo Canyon Wilderness Area, Southern Santa Mts); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 243 Comment
  VVC3088  Condalia globosa var. pubescens Tim Thomas, P. J. MacKay 2013-2-23 5918 Riverside Sonoran Desert, South side of the Orocopia Mtns, Salt Ck drainage 468 Comment
  UCR228842  Convolvulus simulans A. C. Sanders 2011-4-26 39320 Riverside Peninsular Range, Alberhill Mountain, along dirt track parallel to Coal Ave./Nichols Rd. 432 Comment
  CLARK-A1656-875  Conyza canadensis Jim Cornett 1977-9-23 Riverside Palm Springs 149 Comment
  UCR58456  Cordylanthus nevinii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  UCR124220  Cordylanthus rigidus S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  RSA493818  Cordylanthus rigidus subsp. setiger Maureen Pendleton 1987-7-27 s.n. Riverside 9.5 mi. N of Temecula, 0.5 mi. W of I-15E, just S of Keller Rd. 488 Comment
  UCR175371  Coreopsis bigelovii Jim Andre 2006-4-26 6751 Riverside South Mojave Desert, Joshua Tree National Park: c. 5 mi NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1321 Comment
  UCR48416  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  LA205801  Corethrogyne filaginifolia Harlan Lewis; 1939-10-23 1023 Riverside 1523 Comment
  LA99061  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  UC76431  Corethrogyne filaginifolia Miss M. Alice King 1893-12-1 Riverside Menifee<?> Comment
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Apr 3 2011
  RSA645672  Coryphantha alversonii Scott D. White 1999-4-20 7269 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  SD68949  Crassula aquatica Robert F. Thorne, E. Lathrop, et al. 1968-4-18 37460 Riverside Santa Rosa Plateau, on Mesa de Colorado, Rancho California. 669 Comment
  CAS-BOT-BC427917  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  SEINET7073382  Crassula connata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR155158  Crassula connata A. C. Sanders, Kelly Volansky 2005-3-17 29202 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
  UC1287004  Crassula connata var. erectoides C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. e. Glen Ivy Hot Springs Comment
  UCR274538  Cressa truxillensis Mitch Provance, Ken Halama 2003-6-15 17050 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  HSC27844  Croton californicus R. W. Spjut 1973-4-13 3298 Riverside Colorado Desert, within the city limits of Palm Springs just N of the metropolitan area on Palm Canyon Drive, Hwy. 111 122 Comment
  POM293088  Croton californicus Lyman Benson 1946-4-15 12021 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
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Jun 10 2008
  RSA778142  Croton californicus J. Andre 2011-2-2 16215 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UC1922002  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UC63984  Croton californicus L. D. Copeland May 1904 Riverside Palm Springs Colorado Desert Comment
  SD181766  Crypsis schoenoides Scott D. White 2001-6-29 8632 A Riverside Menifee Valley, about 1.4 airmiles SW of the I-215/Newport Rd Interchange, NW of the intersection of Holland Rd & Bradley Rd; Romoland [quad]. Mostly waste area (soil stockpiles, flood control basin). At bottom of retention basin. 438 Comment
  UCR260602  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41543 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  JOTR30671  Cryptantha angustifolia La Doux, Tasha, Jim Andre 2008-3-21 140 Riverside Joshua Tree National Park. N. side of paved road to Cottonwood, at Fried Liver Wash crossing 557 Comment
  RSA778221  Cryptantha angustifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 774 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA799878  Cryptantha angustifolia Scott D. White, Robert Black 2011-2-25 13388 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  UC1601978  Cryptantha angustifolia E. E. Schellenger 1905-3-12 Riverside Palo Verde Valley Colorado Desert Comment
  UCR138577  Cryptantha angustifolia Steve Boyd, Orlando Mistretta 1986-3-13 1438 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  POM3857  Cryptantha barbigera I. M. Johnston 1917-4-4 1053 Riverside Palm Canyon, Colorado Desert. 366 Comment
  POM73173  Cryptantha barbigera Marcus E. Jones 1903-5-10 6847 Riverside Palm Spring. 61 Comment
  RSA480006  Cryptantha barbigera Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2137 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA735219  Cryptantha barbigera Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11242 -A Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC280436  Cryptantha barbigera E. E. Schellenger May 1920 Riverside e of Coachella; Colorado Desert Comment
  UCD118997  Cryptantha barbigera Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southeast of Palm Springs. Comment
  UCR163919  Cryptantha barbigera A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29138 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET10455559  Cryptantha barbigera Thorne 1980-4-16 THORNE 54048 Riverside San Bernardino Mts: Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  JOTR36479  Cryptantha barbigera var. fergusoniae La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3192 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  RSA781027  Cryptantha costata D. Silverman, Andy Sanders 2010-3-23 7817 Riverside Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  RSA787698  Cryptantha costata Duncan S. Bell 2012-4-5 3310 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 141 Comment
  RSA0078966  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1428 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  JOTR29495  Cryptantha decipiens Andre, Jim, Tasha La Doux 2006-4-26 8150 Riverside Joshua Tree National Park. Upper Long Canyon 1055 Comment
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Apr 16 2014
  UC1178553  Cryptantha decipiens Peter Kamb 1948-4-11 881 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  JOTR33758  Cryptantha dumetorum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2756 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA79569  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  OBI42563  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside San Jacinto Mts, along the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd (T5S, R3E, N1/2, sec 35) 1707 Comment
  OBI45217  Cryptantha intermedia D. Hawkes 1987-5-16 s.n. Riverside S of Anza, Terwilliger Valley, Terwilliger Rd, 0.9 mi S of intersection with Wellman rd 1189 Comment
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Dec 4 2014
  RSA524426  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4122 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
  RSA762387  Cryptantha intermedia Mitch Provance 2003-4-26 9896 Riverside northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 274 Comment
  SEINET3101919  Cryptantha intermedia Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17362 .1 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  UCR128917  Cryptantha intermedia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23902 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR165395  Cryptantha intermedia A. C. Sanders 2005-4-21 29576 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR20847  Cryptantha intermedia O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR241692  Cryptantha intermedia T. B. Salvato 2013-3-22 7400 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  JOTR35287  Cryptantha maritima Andre, Jim 2012-4-11 20780 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCR30071  Cryptantha maritima George K. Helmkamp 1983-4-5 483 11 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 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
  UCSB41258  Cryptantha micrantha Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  RSA171377  Cryptantha micrantha var. lepida J. D. Olmsted 1962-5-3 3503 Riverside On Thomas Mt. 1616 Comment
  RSA0018641  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
  RSA543895  Cryptantha micromeres Steve Boyd 1991-5-20 6274 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA395364  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA586298B  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-3 0209 B 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
  UCR157463  Cryptantha microstachys A. C. Sanders 1994-5-30 14596 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA678951  Cryptantha muricata Scott D. White, Michael Honer 2003-6-3 9464 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR153367  Cryptantha muricata LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCSB38660  Cryptantha muricata Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  CDA40506  Cryptantha nevadensis T. C. Fuller 1962-4-4 7990 Riverside Colorado Desert; Highway 99 [later renumbered Highway 86], 1.3 miles north of Oasis. 0 Comment
  UC1063857  Cryptantha pterocarya H. S. Yates 1937-3-24 6456 Riverside Deep Canyon Thermal Quad. 609 Comment
  UC1329935  Cryptantha pterocarya James E. Cole 1941-4-13 566 Riverside 0.5 mi n Meeks Cabin; Joshua Tree National Monument, Pinto Pass Comment
  UCR268082  Cryptantha pterocarya Jim Andre 2012-4-11 20679 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  UCR279373  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-24 42954 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA0079289  Cryptantha pterocarya var. pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA0079266  Cryptantha pterocarya var. pterocarya J. D. Olmsted 1958-3-30 89 Riverside A few miles north of southern entrance to Joshua Tree National Monument on Cottonwood Pass Road. 838 Comment
  JOTR34128  Cryptantha racemosa Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21087 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  SD138916  Cryptantha racemosa Craig Reiser 1993-3-18 Riverside Dry Morongo Wash south of Morongo Comment
  RSA0119886  Cryptantha utahensis Duncan S. Bell, Thomas Stoughton 2016-4-12 9218 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  UC857297  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5856 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  RSA792480  Cucurbita palmata Justin M. Wood, Dustin Ray 2011-4-28 3849 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  CLARK-A1528-422  Cuscuta californica var. papillosa C. M. Flanagan 1973-6-13 OO 713 Riverside Morongo Indian Reservation 975 Comment
  OBI33603  Cuscuta campestris J. C. Roos 1951-9-25 5254 Riverside W end Fairmont park, Riverside 259 Comment
  RSA614688  Cuscuta ceanothi A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15792 Riverside (N slope): nameless tributary of Azalea Creek, Twin Pines Creek drainage. 1192 Comment
  RSA717672  Cuscuta denticulata A. C. Sanders, G. Nuhn 1995-4-20 16587 Riverside Colorado Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns., NE of 1000 Palms. 350 Comment
  UCR182506  Cuscuta salina Mitch Provance 2005-5-17 6562 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA735178  Cuscuta subinclusa Scott D. White, Justin M. Wood 2005-9-27 11232 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  UCSB42263  Cycloloma atriplicifolium Roos, John 1965-9-26 Riverside Indio Comment
  RSA0097200  Cylindropuntia bigelovii Marc A. Baker 2015-4-7 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2 km north of its junction with Interstate 10, 13 km NW of central Palm Springs. 353 Comment
  SEINET11044078 Image available Cylindropuntia californica var. parkeri Marc A. Baker, Emily Mastrelli 2015-4-20 18330 Riverside The Badlands 600m SSW of the intersection of San Timoteo Canyon Road and Redlands Blvd., 23 km ENE of central Riverside, 20 km SE of central San Bernardino 567 Comment
  SEINET9037429 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18399 Riverside San Gorgonio River, 2km south of Cabazon, 2.6km NNW of Hurley Flat, 26km WNW of central Palm Springs 510 Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  RSA774933  Cynanchum utahense Duncan S. Bell 2011-4-7 2170 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
  RSA613629  Cynodon dactylon D. L. Banks, Victor Steinmann 1997-3-13 1488 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
  UCD60014  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Palo Verde Valley, southeast of Blythe. Comment
  CAS-BOT-BC114416  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Common in mud at edge of lake, Fairmount Park. 259 Comment
  UCR115347  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  CAS-BOT-BC113944  Cyperus odoratus Samuel B. Parish 1913-9-20 8616 Riverside In the small stream from the RR waterworks, Mecca. Salton Sink. -57 Comment
  RSA736764  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  GMDRC5832  Dalea mollis J. M. Andre 2013-3-27 24799 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  SEINET10452145  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2069 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  CAS-BOT-BC283043  Dasyochloa pulchella John Thomas Howell 1928-1-30 3310 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  UCD166231  Dasyochloa pulchella Jack Major 1962-4-16 774 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  HSC83830  Datisca glomerata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47299 Riverside Santa Rosa Plateau, Cleveland National Forest, along Tenaja Creek. Comment
  UC69226  Datisca glomerata F. M. Reed 1905-7-4 816 Riverside Coldwater Canyon, vicinity of Riverside Coldwater Canyon Comment
  POM292766  Datura discolor Lyman D. Benson, Robert Benson 1952-4-8 14859 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  RSA0088549  Datura wrightii Phung Hoang 2016-4-9 18 Riverside LA basin, White water canyon reserve. 536 Comment
  UCR260562  Daucus pusillus T. B. Salvato 2015-4-2 8106 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  CAS-BOT-BC293819  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  POM362220  Deinandra kelloggii Banning 1921-6-1 3428 Riverside San Jacinto Comment
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Feb 22 2014
  UCSB27090  Deinandra kelloggii Wilken, Dieter 1970-6-5 Riverside 3.2 miles east of Aguanga on road between Aguanga and Paradise Valley Comment
  UC1929633  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region; McCall Memorial Park Campground. 1311 Comment
  SD148238  Deinandra paniculata A. C. Sanders, T. B. Salvato 2001-5-24 24365 Riverside Perris-Aguanga Basin region:Temecula, Long Canyon west of Del Rey Road, along bottom of canyon west of junction of Av. Pina Colada (mak 10/07) 345 Comment
  UC63231  Deinandra paniculata Jepson 1226 Riverside Box Springs 457 Comment
  CAS-BOT-BC7986  Delphinium parishii subsp. parishii S. Parish; W. F. Parish 1883-4-1 255 Riverside Colorado Desert, Cabezon Station Comment
  RSA771032  Delphinium parishii subsp. parishii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4539 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CLARK-A1528-3865  Delphinium parryi John C. Roos 1937-5-2 1415 Riverside La Sierra Comment
  RSA278308  Delphinium parryi C. W. Tilforth, Walter Wisura 1979-5-23 1805 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  UCR102837  Delphinium parryi A. C. Sanders 1997-4-3 20176 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR35067  Dendromecon rigida L. B. Ziegler 1968-3-27 269 Riverside San Jacinto Mountains, upper Poppet Flats Rd., on Dry Mountain ridge 976 Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA433244  Dendromecon rigida subsp. rigida E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains 1524 Comment
  UCR266815  Deschampsia danthonioides Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 11 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR75544  Deschampsia danthonioides A. C. Sanders 1993-5-12 14017 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
  RSA198989  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37430 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  JEPS53424  Descurainia californica W. L. Jepson 1928-4-25 12572 Riverside n of Shavers Well (Cottonwood Springs); Colorado Desert, Cottonwood Springs 731 Comment
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Jan 6 2009
  UCR202577  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA0120489  Descurainia pinnata subsp. glabra Duncan S. Bell, Thomas Stoughton 2016-3-17 8958 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  UC519842  Descurainia pinnata subsp. glabra N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  CLARK-A1528-353  Descurainia pinnata subsp. halictorum A. R. Gillogly 1966-3-10 Riverside Palm Springs 243 Comment
  RSA0106275  Dicentra chrysantha Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC56943  Dicentra chrysantha H. M. Hall 1901-8-6 2630 Riverside Chalk Hill; San Jacinto Mountains 1432 Comment
  UCR76181  Dicentra chrysantha B. G. Pitzer, Stu Hemstreet 1992-5-21 1948 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA771749  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4611 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA367458  Dichelostemma capitatum subsp. capitatum Ora M. Clark 1929-2-23 1511 Riverside South Cabazon. Comment
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Mar 13 2011
  OBI26028  Dicoria canescens David J. Keil 1977-1-2 11935 Riverside W of Blythe along I-10 Comment
  POM122881  Dicoria canescens Marcus E. Jones 1924-12-10 s.n. Riverside Banning Comment
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Mar 13 2011
  RSA11409  Dicoria canescens P. A. Munz 1921-12-31 4705 Riverside Between Palm Springs & Whitewater. Comment
  UC666420  Dieteria asteroides var. asteroides Annie M. Alexander and Louise Kellogg 1941-5-28 2258 Riverside 3 mi n Palo Verde; Colorado Desert 106 Comment
  UCR207344  Digitaria sanguinalis O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA688840  Dimorphotheca sinuata Scott D. White, Michael Honer 2003-6-17 9550 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  CAS-BOT-BC152917  Diplacus brevipes Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC150263  Diplacus puniceus Steve Boyd; Aydee Virgen 2004-4-13 10850 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CLARK-A1528-4592  Distichlis stricta var. laxa John C. Roos 1952-7-2 5804 Riverside Riverside 259 Comment
  POM87299  Ditaxis claryana Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA336037  Ditaxis lanceolata R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52034 Riverside Chino Canyon. Comment
  RSA778410  Ditaxis lanceolata Stephanie Rockwood, Christi Gabriel 2011-10-5 059 Riverside Corn Springs Wash off Corn Springs Road. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 416 Comment
  RSA719244  Ditaxis lanceolata Michael Honer, Lincoln Hulse 2004-4-3 1908 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  JOTR32617  Ditaxis neomexicana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1634 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
  RSA787702  Ditaxis neomexicana Duncan S. Bell 2012-4-5 3314 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  UCR208852  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 351 Comment
  POM12370  Ditaxis serrata var. californica P. A. Munz, D. D. Keck 1922-4-8 4833 Riverside [Unspecified] 213 Comment
  CAS-BOT-BC43642  Dithyrea californica H. M. Hall 1905-4-15 5772 Riverside Colorado Desert. Indian Well. 0 Comment
  RSA780571  Dithyrea californica Stephanie Rockwood, Christi Gabriel 2011-11-7 196 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  UC572414  Dithyrea californica H. S. Yates 1937-3-23 6406 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC68544  Dithyrea californica H. M. Hall Apr 1905 5950 Riverside McCoy Wash Colorado Desert 91 Comment
  SEINET10937427  Dithyrea californica Billy Joe Cox 1975-4-23 Cox 4127 Riverside Palo verde, 1-3 km w, ca 32 mi s of blythe; creosote desert scrub; sandy and Gravelly entisols. Riverside/imperial co line. 100 Comment
  CAS-BOT-BC412633  Dodecahema leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  RSA698511  Dodecatheon alpinum J. R. Bruff 1934-7-5 s.n. Riverside wet ground 2896 Comment
  RSA783371  Dodecatheon alpinum J. D. Olmsted 1959-7-7 753 Riverside Northern extension of Skunk Cabbage Meadow; 4.5 miles east of Idyllwild 2424 Comment
  RSA574736  Dodecatheon clevelandii Steve Boyd 1981-3-2 s.n. Riverside Gavilan Hills region, summit of Estelle Mountain near site of old fire lookout. 823 Comment
  UCSB52638  Downingia cuspidata Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau; Mesa de Colorado 609 Comment
  UC10473  Draba corrugata var. saxosa H. M. Hall 1897-7-21 703 Riverside San Jacinto Mts. 3293 Comment
  RSA778256  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 922 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR23482  Draba cuneifolia John C. Roos 1958-2-22 s.n. Riverside Chuckwalla Mtns., Canyon 2.5 mi S.E. of Desert Center Comment
  POM160111  Draba cuneifolia var. integrifolia E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  CAS-BOT-BC535004  Drymocallis glandulosa var. reflexa H. M. Hall 1901-6-1 2204 Riverside San Jacinto Mountains, Southern California, vicinity of Strawberry Valley 1615 Comment
  RSA577525  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  RSA692504  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  UCR264471  Dryopteris arguta S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1075 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  CAS-BOT-BC411414  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  RSA586858  Dudleya lanceolata D. L. Banks, S. D. Boyd 1995-5-3 0277 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA645935  Dudleya lanceolata Scott D. White 1999-6-8 7451 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  RSA653406  Dudleya lanceolata Mitch Provance 1998-5-24 532 A Riverside Belltown area, ''Belltown Hill'', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 280 Comment
  UCR37492  Dudleya multicaulis Steve Boyd 1981-5-8 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mountain. 823 Comment
  POM311207  Dudleya saxosa subsp. aloides Karen Hosterman 1957-3-27 944 Riverside 1/2 mi. up Whitewater Canyon. Comment
  UCR199574  Dysphania botrys Scott D. White, Angelia Carey 2004-7-2 10587 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  JOTR34062  Echinocereus engelmannii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2960 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  SEINET3071816  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17500 Riverside Queen Mountain quadrangle, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  UCR124134  Echinochloa crus-galli Steve Boyd, Orlando Mistretta 1989-7-18 3763 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  UCR188891  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UC28462  Echinodorus berteroi Samuel B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
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Aug 8 2010
  UC69324  Echinodorus berteroi F. M. Reed 1903-6-13 668 Riverside Lakeview Comment
  UCR9300  Eclipta prostrata K. Black 1969-10-26 s.n. Riverside Santa Ana River bottom near the Van Buren Bridge Comment
  OBI71128  Ehrharta erecta Michael Curto, Linda Allen 1992-7-15 845 Riverside Riverside, Univ of Calif campus, Arboretum, near entrance Comment
  RSA463705  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside [Riverside?] Along Van Buren Boulevard between bridge over Santa Ana river and sewer. Comment
  RSA11655  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-21 5546 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  POM13641  Elatine californica P. A. Munz 1922-4-29 5066 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SD219027  Elatine californica Robert F. Thorne 1973-5-23 43840 Riverside Santa Rosa Plateau-Mesa de Colorado: N edge of large vernal marsh in shallow water. 609 Comment
  SD237240  Eleocharis macrostachya D. E. Bramlet 1992-4-3 2207 Riverside Perris-Anguanga Basin Region: 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave and Marvin Hull Road and c. 300 m west of the MWD Canal. 452 Comment
  UC1930097  Eleocharis macrostachya Scott D. White, Justin Wood 2008-6-5 12087 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  UCR201463  Eleocharis macrostachya Scott D. White, Justin M. Wood 2008-6-5 12087 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR275578  Eleocharis macrostachya T. B. Salvato, Jennifer Weiland 2005-6-13 605- 1 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  UCR120853  Eleocharis palustris D. E. Bramlet 2000-8-30 3070 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  CAS-BOT-BC113281  Eleocharis parishii Scott D. White 1995-6-29 3409 Riverside Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. 350 Comment
  SEINET7586940 Image available Eleocharis parishii Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  SD232143  Elymus glaucus Valerie Soza, Naomi Fraga 2003-6-25 1703 Riverside Peninsular Ranges, San Jacinto mountains region, slope above junction of Dark Canyon and Fuller Mill Creek. 455 Comment
  UCR156351  Elymus glaucus T. B. Salvato, Kent Beaman 2005-5-16 876 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
  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
  UCD62740  Elymus trachycaulus subsp. subsecundus August L. Hormay 1932-8-8 Riverside Tamarack Valley. Comment
  UCR26528  Elymus triticoides A. C. Sanders, S. Hagopian 1981-5-20 2133 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  RSA28062  Emmenanthe penduliflora I. L. Wiggins 1941-3-27 9694 Riverside 4 mi. north of Whitewater. Comment
  RSA80986  Emmenanthe penduliflora G. R. Campbell 1952-4-5 18372 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SD216486  Emmenanthe penduliflora Jay B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  SEINET7073450  Emmenanthe penduliflora 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
  UCR103256  Emmenanthe penduliflora B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3568 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  CAS-BOT-BC131337  Encelia farinosa Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2142 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  RSA0049914  Encelia farinosa Jim Andre 2014-1-27 26675 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
  RSA660554  Encelia farinosa Bruce Albert 1982-4-17 13 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UC1929638  Encelia farinosa V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  POM356682  Encelia farinosa var. farinosa L. S. Rose 1967-12-19 67180 Riverside La Quinta. 15 Comment
  RSA556487  Encelia farinosa var. farinosa Julie Greene 1993-3-13 1051 Riverside West of Poleline Rd. 457 Comment
  LA6767  Ephedra californica S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  POM119732  Ephedra californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCSB257  Ephedra californica Gill, Robert 1960-3-23 Riverside About 1 mile from road to Palm Springs on road to Snow Canyon; San Jacinto Mt. Range; Colorado Desert drainage area 396 Comment
  NY70344  Ephedra nevadensis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs, Colorado Desert Comment
  RSA794236  Ephedra nevadensis J. Andre 2012-3-19 21334 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  RSA3984  Ephedra trifurca C. B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UCD84925  Ephedra trifurca Chuck Hughes 2010-3-21 198 a Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 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
  CAS-BOT-BC171726  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  CAS-BOT-BC171745  Epilobium canum subsp. latifolium Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley 1524 Comment
  UCR26278  Epilobium ciliatum John C. Roos 1952-6-25 5795 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  RSA162775  Epilobium ciliatum subsp. ciliatum J. D. Olmsted 1959-7-1 712 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
  RSA741188  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-6-16 12122 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA80646  Epilobium pygmaeum F. W. Peirson 1922-5-19 4112 Riverside Menifee Valley, near Murrieta. 427 Comment
  RSA324165  Epipactis gigantea George Henry Grinnell 1921-5-20 s.n. Riverside Riverside. Comment
  RSA6079  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  SBBG28899  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Cyn 365 Comment
  RSA639350  Equisetum laevigatum L. C. Wheeler 1933-5-28 1864 Riverside Santa Ana River at Chino Creek. Comment
  RSA651791  Eragrostis D. Gordon 1952-7-28 s.n. Riverside near Hemet. Comment
  CAS-BOT-BC213599  Eragrostis mexicana subsp. mexicana J. C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  UC871300  Eremalche exilis Lewis S. Rose 1937-4-9 37102 Riverside Palm Springs 137 Comment
  JOTR31968  Eremalche rotundifolia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2205 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  CLARK-A1528-2642  Eremocarpus setiger John C. Roos 1965-7-27 Riverside Elsinore Comment
  RSA0103567  Eremogone macradenia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8590 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  RSA0025895  Eremothera refracta Jim Andre 2013-3-4 23863 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  JOTR33784  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  RSA0110544  Eriastrum densifolium subsp. austromontanum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  SD146199  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mountains; Jensen Quarry, Sunnyside area on west side of Sioerra Blvd., just east of corner of 29th St. and Scenic Drive. 299 Comment
  CLARK-A1045-146  Eriastrum diffusum George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  SEINET3218487 Image available Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert; Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5' Q.) 123 Comment
  CAS-BOT-BC514469  Eriastrum eremicum subsp. eremicum John Thomas Howell 1928-3-25 3559 Riverside Colorado Desert: 10 mi S of Palm Springs, on road to Indio Comment
  UCR21965  Eriastrum sapphirinum Steve Boyd 1980-5-20 292 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park 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
  RSA0122951  Eriastrum sapphirinum subsp. dasyanthum D. L. Banks, Victor W. Steinmann 1995-7-10 0753 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. E of the major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA0121567  Eriastrum sapphirinum subsp. dasyanthum Elbert Benjamine 1929-5-18 235 Riverside Mt. San Jacinto. 1220 Comment
  JOTR34482  Ericameria linearifolia Andre, Jim 2012-4-16 20965 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCR34965  Ericameria linearifolia L. B. Ziegler 1968-4-16 275 Riverside San Jacinto Mtns, W slope of mtns at Dry Creek & Hwy 74 1067 Comment
  JEPS19267  Ericameria paniculata Marjorie D. Clary 1932-12-18 1742 Riverside Clemens Well Colorado Desert, Orocopia Mts. 243 Comment
  SD115000  Ericameria parishii var. parishii Earl W. Lathrop 1979-6-19 7506 Riverside Cleveland National Forest, Trabuco District, Bedford Truck Trail, Southwest slope Pleasants Peak. 3.5 miles northwest Junction Eagle Pass Tr. 945 Comment
  RSA522306  Erigeron bonariensis Steve Boyd 1989-7-9 3776 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA679071  Erigeron breweri var. jacinteus Michael Denslow, Firoozeh Navid-Ara, Valerie L. Sosa 2003-7-15 1450 Riverside Tahquitz Peak, on saddle east of summit 2637 Comment
  POM80096  Erigeron foliosus Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  RSA487420  Erigeron foliosus 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
  RSA508340  Erigeron foliosus Ed LaRue 1989-5-28 s.n. Riverside 1.5 mi. NW Estelle Mountain, off Dawson Canyon Road; 1.5 mi. E. of Arcilla and 1.5 mi. SW of Monument Peak. 396 Comment
  UCR270317  Erigeron foliosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8343 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  CHSC318  Erigeron foliosus var. foliosus E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  JOTR33936  Erigeron foliosus var. foliosus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2826 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA180465  Erigeron foliosus var. stenophyllus E. W. Lathrop 1960-5-20 4805 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  UCR13960  Erigeron philadelphicus C. M. Flanagan 1973-5-12 414 Riverside Foothills of the San Bernardino Mtns, Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  UCR98856  Eriodictyon crassifolium A. C. Sanders, G. Helmkamp 1997-3-15 19987 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA757989  Eriodictyon crassifolium var. crassifolium Doug Goldman 2005-5-11 3284 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
  JEPS57  Eriodictyon trichocalyx M. D. Clary 1932-4-3 1030 Riverside 8 mi w Indio (Indian Wells, Whitewater Wash); Colorado Desert, Indian Wells, Whitewater Wash 30 Comment
  POM209904  Eriodictyon trichocalyx var. lanatum Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  RSA0065642  Eriodictyon trichocalyx var. trichocalyx Cheryl Sevilla, Sarah J. De Groot 2015-3-17 36 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; in the Whitewater river drainage 0.38 air miles northwest of the Whitewater Preserve Ranger Station. 687 Comment
  IRVC28834  Eriogonum Mark A. Elvin 2005-4-26 4225 Riverside Coachella Valley; N of Agua Caliente Indian Reservation; N of Ramon St.; 3km NW of thousand Palms Northern Sonoran Desert 183 Comment
  UCR193731  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35649 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC248642  Eriogonum apiculatum Edmund C. Jaeger 1940-5-19 s.n. Riverside Falcon Flats, Joshua Tree National Monument 1432 Comment
  RSA144252  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  RSA6021  Eriogonum apiculatum Carl B. Wolf 1932-8-5 3938 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2561 Comment
  RSA639024  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River. 2378 Comment
  SEINET6328737  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR272169  Eriogonum apiculatum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-6-16 8571 Riverside Santa Rosa Mountains, along Forest Service Road 7S02, c. 0.7 air mile west of the summit of Santa Rosa Mountain Comment
  SBBG34525  Eriogonum davidsonii D. Myrick 1969-10-20 2128 Riverside St Hwy 74, E of Hemet 1066 Comment
  RSA125968  Eriogonum elongatum E. K. Balls, Percy C. Everett 1957-11-4 22750 Riverside Snow Creek, near old Fish Hatchery and through wash. 701 Comment
  UCR141244  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2004-10-6 28828 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  POM115636  Eriogonum fasciculatum var. foliolosum A. M. Alexander, Louise Kellogg 1941-5-23 2223 Riverside 1.5 miles northeast of Cottonwood Spring, Eagle Mountains. 976 Comment
  JOTR29156  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1231 Riverside Joshua Tree National Park. Eureka Peak Comment
  RSA34559  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-6-17 1411 Riverside Banning. 701 Comment
  UCR100084  Eriogonum fasciculatum var. polifolium R. G. Swinney 1967-3-5 332 Riverside San Jacinto Mountains/Colorado Desert, Snow Creek, on E side of desert slope 366 Comment
  CAS-BOT-BC253485  Eriogonum gracile Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA0106806  Eriogonum gracile Jeremiah George 2012-5-17 s.n. Riverside Beaumont Bench, north slope facing San Timoteo Creek, north of Hwy 60 and south of Oak Valley Parkway, E of Potrero Blvd. 747 Comment
  POM2262  Eriogonum gracile var. gracile F. M. Reed 1905-9-16 818 Riverside Teraces Ranch. Comment
  RSA191431  Eriogonum gracile var. gracile E. W. Lathrop, Robert F. Thorne 1967-9-26 6647 Riverside 6 miles NW of Murrieta. Comment
  RSA595920  Eriogonum gracile var. incultum D. L. Banks, Lauren Raz 1996-11-5 1179 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  RSA78289  Eriogonum gracile var. incultum P. A. Munz, E. K. Balls 1952-8-21 17966 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  POM230615  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  UCR40036  Eriogonum molestum Dave Goodward 1985-9-29 s.n. Riverside San Jacinto Mtns., rim of Hall Canyon above the U.C. James Reserve Comment
  RSA0005084  Eriogonum nodosum var. jaegeri E. C. Jaeger 1921-11-15 251 Riverside Morongo Wash near Hole-in Wall Spring. Comment
  CAS-BOT-BC269783  Eriogonum nudum var. pauciflorum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SBBG64154  Eriogonum nudum var. pauciflorum J. Ewan 1928-8-30 Riverside Tahquitz Pk Trail 2011 Comment
  UCR24320  Eriogonum plumatella John C. Roos 1943-10-17 2742 Riverside Sonoran (Colorado) Desert, Dry Morongo Wash 671 Comment
  RSA424848  Eriogonum pusillum Lester H. Cushman 1932-3-20 s.n. Riverside 2 mi. W of Morongo Valley. Comment
  SFV8352  Eriogonum pusillum M. Andriessen 1962-4-18 34 Riverside San Jacinto Mountains State Highway 74, about 10 miles from Palm Desert. Comment
  PASA1491  Eriogonum reniforme Margaret Stason 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
  RSA735241  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11213 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC168762  Eriogonum thomasii Geo. B. Grant May 1 1906-May 10 1906 440 -6741 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UC85972  Eriogonum thomasii Alderson 49 Riverside Palmetto Spgs. Comment
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Jul 8 2010
  UCD101296  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3681 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent sedimentary hills to E. 487 Comment
  UCR108877  Eriogonum thurberi Heidi A. Haid 1968-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  SD146182  Eriogonum trichopes Andy C. Sanders, T. B. Salvato 2000-4-27 23372 Riverside Coachella Valley; east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 14 Comment
  CLARK-A1528-3723  Eriogonum wrightii John C. Roos 1967-10-28 Riverside Whitewater 426 Comment
  UCR24328  Eriogonum wrightii John C. Roos 1967-10-28 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater 427 Comment
  UC1929523  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside [Peninsular Ranges; San Jacinto Mountains region]; Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Near 1477 Comment
  RSA766282  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1930-8-31 2133 Riverside N rim of Tahquitz Valley. San Jacinto Mtns. 2652 Comment
  CAS-BOT-BC297347  Eriophyllum confertiflorum A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27906 Riverside Peninsular Ranges: Alberhill Mt 445 Comment
  CAS-BOT-BC297356  Eriophyllum confertiflorum E. W. Lathrop 1960-5-6 4802 Riverside 10 miles W of Murrieta Comment
  POM306146  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1337 Riverside Santa Rosa Mountains. Comment
  RSA519234  Eriophyllum confertiflorum 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
  UCR137355  Eriophyllum confertiflorum John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR231776  Eriophyllum confertiflorum John F. Green 2008-4-23 08- 18 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
  SBBG101772  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross 1991-6-14 6397 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC63031  Eriophyllum confertiflorum var. confertiflorum H. M. Hall 1899-5-1 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  JOTR32130  Eriophyllum pringlei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2286 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  CAS-BOT-BC296930  Eriophyllum wallacei Peter H. Raven 1958-3-16 11871 Riverside in washes 4.3 miles east of Cholla Cactus Garden, Joshue Tree National Monument Comment
  CAS-BOT-BC296974  Eriophyllum wallacei L. R. Abrams 1926-3-25 11006 Riverside Cabazon to Whitewater Comment
  CDA5409  Eriophyllum wallacei T. C. Fuller 1964-4-14 11818 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  VVC2462  Erodium texanum Tim Thomas 2013-3-18 5934 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CAS-BOT-BC54331  Erysimum capitatum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild. Comment
  CAS-BOT-BC54338  Erysimum capitatum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway. Mount San Jacinto. Comment
  UCSB11776  Erysimum capitatum var. capitatum Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning on Banning-Idyllwild road, in San Bernardino National Forest, San Jacinto Mountains 1584 Comment
  SD70913  Erythranthe cardinalis Helen V. Witham 1969-7-2 175 Riverside edge of water. De Luz Creek crossing, 4 mil. N. of De Luz 249 Comment
  RSA0020250  Erythranthe floribunda Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2121 Riverside Santa Rosa Mountains. Comment
  SDSU14082  Erythranthe guttata Joel Tracey 2002-4-20 10 Riverside Santa Margarita Ecological Reserve, 0.2 miles east from parking area intersecting Santa Margarita River and Northside Field Station road, small pond within river formed by rock basin. 252 Comment
  RSA0015886  Erythranthe moschata P. A. Munz, I. M. Johnston 1924-7-28 8805 Riverside Pine Flats, San Jacinto Mountains. 1738 Comment
  RSA0022931  Eschscholzia androuxii F. W. Peirson 1926-2-22 s.n. Riverside Thousand Palm canyon, near Indio. Comment
  UC855149  Eschscholzia californica I. W. Clokey 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  RSA777329  Eschscholzia glyptosperma Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 826 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  SEINET7907904  Eschscholzia glyptosperma D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  CHSC35481  Eschscholzia minutiflora James Henrickson 1973-3-18 8608 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to the canyon. 792 Comment
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Dec 5 2012
  CLARK-A1656-696  Eschscholzia minutiflora Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  RSA191741  Eschscholzia minutiflora Robert F. Thorne 1963-3-29 32407 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SBBG70173  Eschscholzia minutiflora Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  UC218062  Eschscholzia minutiflora P. A. Munz, D. Keck 1922-4-10 4935 Riverside Eagle Mts. Colorado Desert 213 Comment
  UCR180229  Eschscholzia minutiflora Scott D. White, Pam Devries 2006-3-14 11257 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR214431  Eschscholzia minutiflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37494 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR60443  Eschscholzia minutiflora R. F. Thorne, M. Z. Thorne 1973-3-30 42660 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  CAS-BOT-BC419640  Eschscholzia parishii F. O. Ballou 1926-2-27 s.n. Riverside Mesa - Murray Canon [Canyon] Comment
  RSA445439  Eschscholzia parishii G. R. Johnstone 1930-4-14 14656 Riverside Shavers Well Comment
  RSA0022924  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring. Comment
  RSA0010854  Eucalyptus camaldulensis A. C. Sanders 1998-6-12 21982 Riverside UCR campus, in gravel among trailers in ''surge area'' (UCR trailer park) on east side of campus 335 Comment
  RSA564284  Eucrypta chrysanthemifolia Ed LaRue 1993-5-11 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side oh Hwy 215. 457 Comment
  SEINET7073449  Eucrypta chrysanthemifolia 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
  UCR214582  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37848 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR83197  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders 1994-5-15 14481 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  CLARK-A1528-2973  Eucrypta micrantha John C. Roos 1958-2-21 Riverside Chuckwalla Mountains Comment
  RSA480086  Eucrypta micrantha Steve Boyd, S. Meury, L. Arnseth, Richard Noyes, D. Nordin, Tim S. Ross 1988-3-10 2175 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CDA37670  Eulobus californicus T. C. Fuller 1962-4-3 7985 Riverside South of Highway 99, 1.7 miles west of junction with Highway 111 to Palm Springs, 4.3 miles east of Cabazon. 0 Comment
  UCR245081  Euphorbia abramsiana A. C. Sanders, T. B. Salvato, Rob Shoener 2012-8-22 40394 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 0.9 km west of Dupont Rd. 757 Comment
  UCR265821  Euphorbia albomarginata Mitch Provance 2012-5-24 512- 02 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR111584  Euphorbia maculata Mitch Provance 1999-1-23 1742 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  JEPS51904  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1307 Riverside Strawberry Valley; Mt. San Jacinto Comment
  CLARK-A1528-439  Euphorbia platysperma Edmund C. Jaeger 1964-8-17 280 ? Riverside Coachella Valley Comment
  SD128680  Euphorbia polycarpa Darley F. Howe 1980-4-15 Riverside 1.5 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  UCR103901  Euphorbia polycarpa B. G. Pitzer 1997-4-11 3105 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  UCR183013  Euphorbia polycarpa Mitch Provance 2003-5-5 4422 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA0015425  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR18358  Euphorbia serpens O. F. Clarke 1977-10-10 s.n. Riverside University of California, Riverside campus, NE of parking lot #6. Comment
  UCR57893  Euphorbia setiloba J. M. Stewart 1989-9-17 601 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  OBI42536  Euphorbia spathulata Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA561782  Euphorbia spathulata Steve Boyd 1992-4-14 6846 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA278974  Fagonia laevis Barry A. Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  SBBG3963  Fagonia laevis H. and M. Dearing 1936-12-25 966 Riverside 10 mi N of Indio on Aqueduct Rd [Long Cyn] Comment
  UC1541420  Fagonia laevis H. E. Parks, M. Jordan 1940-2-16 24165 Riverside Santa Rosa Canyon, at mouth; Santa Rosa Canyon 304 Comment
  UCR91877  Fatoua villosa A. C. Sanders, Steve Morgan 1995-11-30 17926 Riverside Box Springs Mtns., UCR Botanic Garden 365 Comment
  UC68657  Ferocactus cylindraceus var. lecontei H. M. Hall May, 1905 6013 Riverside Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  UC1608284  Festuca arundinacea Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7338 Riverside from confluence with Los Alamos Canyon downstream Tenaja Canyon (San Mateo Canyon); Southern Santa Ana Mountains, San Mateo Wilderness Area, San 365 Comment
  UCR152524  Festuca myuros A. C. Sanders 2005-4-22 29612 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA522755  Filago californica Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3862 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
  RSA524419  Filago californica Steve Boyd, J. Bonilla, Timothy S. Ross, L. Arnseth 1990-4-3 4111 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
  UCR117676  Filago californica Scott D. White 1997-5-25 5228 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR162275  Filago californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR97501  Filago californica A. C. Sanders, G. Waines, B. Ehdaieet, A. Aryavand 1997-3-12 19890 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  CAS-BOT-BC384197  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-8-20 426 Riverside Canyon above 1st turnout east side Santa Rosa Mountain Rd., 0.6 mi. above Hwy. 74 1524 Comment
  CLARK-A1528-1145  Fouquieria splendens John C. Roos 1946-12-21 3192 Riverside Deep Canyon 274 Comment
  CAS-BOT-BC53342  Frangula californica subsp. cuspidata Louis C. Wheeler 1931-10-4 206 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SD38248  Frankenia salina Edith A. Purer 1936-4-6 6878 Riverside South of Elsinore Comment
  UCR110402  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23185 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA392143  Frasera parryi M. B. Dunkle 1933-7-20 3694 Riverside Idyllwild, San Jacinto Mountains. 1616 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
  UCR132722  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  POM48351  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8869 Riverside San Gorgonio Canyon, north of Banning. 1128 Comment
  RSA3963  Funastrum cynanchoides var. hartwegii C. B. Wolf 1932-4-29 3102 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  RSA594768  Funastrum cynanchoides var. hartwegii D. L. Banks, Dylan Hannon 1996-5-3 989 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  SEINET3081970 Image available Funastrum cynanchoides var. hartwegii B. Pitzer 1986-4-26 185 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SEINET10546252  Funastrum hirtellum Charles L. Hitchcock 1932-4-7 Hitchcock 12199 Riverside Corn Springs, eastern Riverside Comment
  SDSU9291  Galium angustifolium Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  CLARK-A1528-7883  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  JEPS56034  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-18 4135 Riverside on Route R1 s Idyllwild; Keenwild Station Comment
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) Comment
  RSA516421  Galium angustifolium subsp. angustifolium Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4428 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  UC888704  Galium angustifolium subsp. angustifolium C. L. Hitchcock 1940-4-12 6039 Riverside 8 mi nw Elsinore 457 Comment
  UCR205296  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1708 Riverside San Jacinto Mountains, Lake Fulmore, northwest side of Lake 1616 Comment
  RSA50568  Galium parishii E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  UCR17531  Galium parishii Frank C. Vasek 1979-7-26 790726- 02 d Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  SDSU13926  Galium porrigens var. porrigens Michael G. Simpson, Kim O'Connor 2000-4-29 2071 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  POM367815  Galium stellatum Christopher Davidson 1979-4-4 7718 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR52012  Galium stellatum subsp. eremicum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2212 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA358584  Garrya flavescens Larry E. DeBuhr 1972-3-23 529 Riverside Santa Rosa Mountains. San Bernardino National Forest. Across the valley from Santa Rosa Springs on the south facing slope below TV transmitter station. 2317 Comment
  UC489039  Garrya flavescens C. V. Meyer Jun 1927 183 Riverside Tahquitz Ridge; San Jacinto Mts. 1828 Comment
  UC20259  Gayophytum diffusum subsp. parviflorum H. M. Hall June, 1901 2279 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  RSA645538  Gazania linearis Scott D. White 1995-7-7 3461 Riverside San Bernardino Basin: City of Riverside, Market St. crossing at [Sta] Ana Riv[er] 244 Comment
  UCR79364  Gazania longiscapa Steve Boyd 1992-4-18 6889 Riverside Peninsular Range, Buck Mesa, south of Lake Skinner, 1.8 mi east of main entrance road to lake along Borell Rd. Comment
  POM30737  Geraea canescens Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA199034  Geraea canescens W. M. Gauntt 1966-3-19 102 Riverside Open Field, la Quinta. 244 Comment
  RSA781908  Geraea canescens Duncan S. Bell 2010-5-1 900 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UC1118441  Geraea canescens H. S. Yates 1936-4-7 5440 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  UCR134611  Geraea canescens Marisa Sripracha, Kyle Boyd 2004-2-14 018 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR248429  Geraea canescens Duncan S. Bell 2011-12-30 3046 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  RSA559426  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD152832  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside San Mateo Canyon Wilderness Area; Bluewater Trail, downstream to the confluencde with San Mateo Creek. 334 Comment
  RSA0112627  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring. 1500 Comment
  SEINET156054  Gilia achilleifolia Norman C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon. 1220 Comment
  UCR19161  Gilia angelensis John C. Roos 1966-3-22 s.n. Riverside Moreno Valley, Edgemont. Comment
  UCR250217  Gilia angelensis A. C. Sanders 2014-4-8 40981 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.5 km NW of El Hermano Rd., c. 0.8 km SE of I-15 crossing 315 Comment
  SEINET6046694  Gilia capitata Unknown 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. Roadside. Comment
  RSA470277  Gilia capitata subsp. abrotanifolia M. B. Dunkle 1938-1 5315 Riverside Palm Springs Comment
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Nov 3 2011
  UCR1068  Gilia diegensis J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  RSA0014599  Gilia latifolia Justin M. Wood, J. Miner 2010-4-30 1552 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  UC665781  Gilia latifolia Ira L. Wiggins 1941-3-24 9587 Riverside 1 mi n Imperial County Line (on e side Salton Sea); e side of Salton Sea Comment
  UCR256909  Gilia ochroleuca subsp. exilis Naomi Fraga, Duncan S. Bell 2009-5-6 2705 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  UCR178146  Gilia splendens T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 138 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  JOTR35468  Gilia stellata Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 71 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop5) 1493 Comment
  RSA777655  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 757 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR213265  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37449 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  CLARK-A1045-65  Githopsis specularioides George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn on moist, north slope of Canyon; Hemet 15'Q Comment
  SD144464  Glycyrrhiza lepidota G. Ballmer 1996-5-19 Riverside E of Murrieta: near margin of Warm Springs Creek, adjacent to Hwy I-15 right-of-way 366 Comment
  UCR151974  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR166169  Gnaphalium canescens John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  CAS-BOT-BC140527  Gnaphalium luteoalbum Oleg Pryadko 2008-5-2 054 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
  CAS-BOT-BC307401  Gnaphalium palustre Philip A. Munz 1941-5-18 16649 Riverside About 15 miles northeast of Temecula Comment
  UCR38237  Grindelia camporum Steve Boyd 1980-4-23 s.n. Riverside NE corner of Jurupa Rd. & Pedley Rd., Glen Avon Comment
  SBBG95150  Gutierrezia californica S. D. White 1990-10-2 Riverside St Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR104175  Gutierrezia californica Scott D. White 1997-5-25 5246 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
  UC1214012  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2760 Riverside on Hwy 79 12.3 mi w of Aguanga; Hwy 79 Comment
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Apr 29 2008
  SEINET6428806 Image available Haplopappus linearifolius Norman C. Cooper 1944-5-20 1230 Riverside Pine Flats, Palms to Pines Hwy. 1219 Comment
  UCR141254  Haplopappus venetus A. C. Sanders, Kelly Volansky 2004-10-6 28820 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UC2029948  Harpagonella palmeri Steve Boyd 2001-4-12 10414 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
  UCR155153  Hedypnois cretica A. C. Sanders, Kelly Volansky 2005-3-17 29210 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CAS-BOT-BC309385  Helenium puberulum Mitch Provance 1998-6-20 705 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA678926  Helianthemum scoparium var. scoparium Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SBBG60919  Helianthus californicus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  SD232182  Helianthus nuttallii subsp. nuttallii Scott D. White 2003-10-9 9816 Riverside San Jacinto Mountains: Pine Cove. Lily Creek just north of crossing at Hwy 243. 1737 Comment
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Sep 8 2015
  CSUSB993  Heliotropium curassavicum var. oculatum Pam Maynard 1974-5-27 Riverside Mount San Jacinto Mount San Jacinto beside highway 243. 914 Comment
  SEINET7063228  Hemizonia fasciculata A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR121195  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1878 Riverside Perris-Aguanga Basin region, Lake Skinner County park, south side of the lake c. 2500 ft. east of dam 448 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR167687  Hemizonia fasciculata T. B. Salvato, Melissa Clemons 2005-6-23 1290 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  UCR116670  Hemizonia kelloggii A. C. Sanders, Carolyn Washburn 2001-5-10 24242 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR261270  Hemizonia kelloggii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41723 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  RSA614683  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek. 915 Comment
  RSA740916  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-10 12446 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR211859  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1063 B Riverside Peninsular Range; San jacinto Mountains, alongside Hwy 74, c. 1 mile west of junction with Hwy 243 in Mountain Center 1311 Comment
  UCR263470  Hemizonia mohavensis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35585 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  SEINET1907236  Hemizonia paniculata Kent Beaman 1998-1 Riverside Peninsular Range; Gavilan Plateau: west of Perris off Elliss Rd., Santa Rosa Mine Rd, near Maywood Gun Club. 518 Comment
  RSA520922  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  UCR177722  Hemizonia pungens subsp. laevis Michael Wall 1996-7-6 146 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  UCR202215  Hemizonia pungens subsp. laevis Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR66977  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Peninsular Range, Murrieta Creek at the Rancho California Street bridge in Temecula, W side of creek, just east of Diaz Rd & within the creek channel 330 Comment
  SBBG25149  Hesperocallis undulata Leota Davidson 1966-4-3 235 Riverside ca. 3 mi off Interstate 10 on Wyley Wells Rd, ca. 31 mi E of Desert Center, Chuckawalla Mts Comment
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Jul 1 2016
  UC1080459  Hesperocallis undulata P. C. Everett and E. K. Balls 1958-4-29 23027 Riverside 5.4 mi ne from Desert Center (along road to Rice And Vidal Junction) 259 Comment
  UCR249831  Hesperocallis undulata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7306 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  POM13121  Hesperolinon micranthum P. A. Munz, I. M. Johnston 1922-5-19 5336 Riverside 5 miles NE of Murrieta 518 Comment
  UCR48407  Hesperolinon micranthum Steve Boyd 1986-5-7 1849 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA586247  Heterocodon rariflorum D. L. Banks 1995-4-11 0166 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 963 Comment
  RSA0074603  Heterotheca fastigiata R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55400 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  CAS-BOT-BC318911  Heterotheca grandiflora Lewis S. Rose 1945-12-23 45299 Riverside Palm Springs, Colorado Desert 137 Comment
  RSA0075890  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  SEINET11261244  Heterotheca grandiflora Steve Boyd, Tim Ross; Dave Bramlet 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, for 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. Top of Tenaja Falls.; 0 396 Comment
  POM266279  Heterotheca horrida subsp. cinerascens J. C. Roos 1942-10-24 2571 Riverside Wonderland of Rocks' Joshua Tree National Monument. Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  CAS-BOT-BC203374  Hibiscus lasiocarpos var. occidentalis Samuel B. Parish 1880-4-10 200 Riverside Near Toros [Toro or Torres], Colorado Desert Comment
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Oct 7 2017
  POM48031  Hieracium horridum P. A. Munz, I. M. Johnston 1924-7-27 8740 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  HSC34760  Hilaria rigida R. E. Cooksey Mar 1974 201 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  UCR59709  Hilaria rigida A. C. Sanders 1989-9-19 9496 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  UC519796  Hirschfeldia incana Joseph Andorfer Ewan 1932-7-9 7992 Riverside 1 mi N of Rincon (Chino Creek bottoms at Santa Ana River) Comment
  UCR89862  Hoffmannseggia glauca J. M. Stewart 1990-9-23 654 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  UC1523647  Holocarpha virgata subsp. elongata Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61185 Riverside Cole canyon; Santa Rosa Reserve, Nature Conservancy Reserve 535 Comment
  UCR18038  Holocarpha virgata subsp. elongata A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 139 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  POM229707  Hordeum brachyantherum subsp. californicum P. A. Munz 1937-5-27 14936 Riverside Overflow from Lake Elsinore. Comment
  UCR56703  Hordeum marinum subsp. gussoneanum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau, south of town of Murrieta, west of Mesa de Burro 549 Comment
  RSA741422  Hordeum murinum Justin M. Wood 2008-12-2 259 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR107839  Hordeum murinum Scott D. White, M. Jacobsmeyer 1996-4-20 3971 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  SD181758  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills: south base of Alberhill Mountain on flats north of Nichols Road and West os pierce Street, in the vicinty of the dite of Tera Cotta Comment
  RSA85232  Horkelia clevelandii F. W. Peirson 1924-7-29 5255 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  SD136763  Horkelia cuneata var. cuneata Steve Boyd, Tim Ross 1992-5-15 7404 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
  SBBG4645  Horsfordia alata M. D. Clary 1932-12-11 2566 Riverside cyns SW of Coral Reef Ranch, at base of Santa Rosa Mtns Comment
  RSA0042109  Horsfordia newberryi Duncan S. Bell, Deidre Conocchioli 2014-3-11 6226 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UC1598600  Hulsea heterochroma C. V. Meyer 1929-6-13 750 Riverside Idyllwild Grade San Jacinto Mts. 1524 Comment
  CAS-BOT-BC312583  Hulsea vestita subsp. callicarpha Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  POM11429  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-3 5960 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  SDSU1684  Hulsea vestita subsp. callicarpha D. F. Howe 1941-6-8 1281 Riverside San Jacinto Mts. 1524 Comment
  RSA696755  Hymenoclea salsola J. R. Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  RSA796108  Hymenoclea salsola Duncan S. Bell 2009-4-20 312 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR120858  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UC68917  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Paloverde Valley Colorado Desert 76 Comment
  POM7077  Hypericum androsaemum P. A. Munz, L. F. Street 1919-5-7 2737 Riverside Mouth of Tahquitz Canyon. Comment
  CAS-BOT-BC219736  Hyptis emoryi P. Munz 1919-3-25 2304 Riverside Palm Springs Comment
  RSA0105947  Hyptis emoryi Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA420175  Hyptis emoryi E. Crow 1929-2-24 177 Riverside Andreas Mesa, SW Palm Springs. Colorado Desert. Comment
  RSA83467  Hyptis emoryi F. W. Peirson 1919-4-13 1078 Riverside first canyon east of Palm Canyon, Palm Springs region. Comment
  UC951156  Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside Palms-to-Pines Highway 7 mi sw Indian Wells (Dead Indian Creek Wash); sw of Indian Wells 274 Comment
  UCSB44874  Hyptis emoryi Collins, Elizabeth 1977-3-29 Riverside East of N. Palm Springs, 2.5 miles up Thousand Palms Cyn. Rd. from Dillion Rd 91 Comment
  RSA0042540  Hyptis emoryi Samuel Bonsal Parish 1917-4-4 Riverside Near Palm Springs. Comment
  SEINET12277045  Hyptis emoryi M. T. Doutt 1931-1 775 Riverside Chino Canyon, Palm Springs Comment
  UCD126496  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside south of Ave. 60, 0.2 mile east of Jackson St., around 6 miles south of Indio. Comment
  UCR115882  Isocoma menziesii var. vernonioides Mitch Provance 1999-5-6 1162 Riverside City of Riverside, Property adjacent to NW side of Hole Lake (nearly dry) and north of Parker Way. 226 Comment
  RSA588166  Jepsonia parryi D. L. Banks, Steve Boyd 1995-10-17 0800 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
  UCR281225  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 57 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  RSA69621  Juncus acutus subsp. leopoldii F. W. Peirson 1921-3-20 2366 Riverside Palm Canyon, east base of San Jacinto Mountains 305 Comment
  RSA563911  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  SBBG89273  Juncus bufonius J. Adams 1966-4-28 738 A Riverside dirt rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  RSA500202  Juncus bufonius var. bufonius Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3541 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SBBG57286  Juncus macrandrus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  UC1601813  Juncus macrandrus H. M. Hall Jul 1901 2248 Riverside Fuller's Mills San Jacinto Mountains Comment
  CLARK-A1045-60  Juncus rugulosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5' Q Comment
  RSA526136  Juncus tiehmii Steve Boyd, Timothy S. Ross 1990-5-11 4649 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
  RSA368389  Juncus xiphioides John Olmsted 1962-5-10 3658 Riverside Between Sandia and DeLuz Creeks, Murrieta to DeLuz Road, western Riverside County. 206 Comment
  POM993  Juniperus californica I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Desert hillsides bordering on canyon 762 Comment
  CAS-BOT-BC234576  Justicia californica Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC234597  Justicia californica Munz; Street; Williams 1919-3-28 2383 Riverside Palm Canyon 182 Comment
  LA202782  Justicia californica D. Birindelli; 1969-3-9 266 Riverside Palm Desert 121 Comment
  POM292861  Justicia californica Lyman D. Benson 1949-3-28 13577 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. 305 Comment
  RSA398810  Justicia californica Robert Gustafson 1978-3-21 839 Riverside Joshua Tree National Monument, about 4 miles from the junction of the road leading through the park and Hwy 70. 640 Comment
  UC888135  Justicia californica Lewis S. Rose 1938-12-18 38325 Riverside Palm Springs 137 Comment
  UCSB7508  Justicia californica Haller, Norman 1953-5-24 Riverside 3 1/2 miles So. of Palm Springs, Indio Rd. on Hwy. 74, Riverside Co., California 152 Comment
  JOTR01220  Justicia californica Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SRRING WASH Comment
  SEINET9121537  Justicia californica Unknown 1978-1 Riverside Mecca, Box Canyon, desert wash. Comment
  CAS-BOT-BC235501  Keckiella antirrhinoides Annie M. Alexander; Louise Kellogg 1941-5-23 s.n. Riverside Mouth of Canyon, north face Eagle Mts. 1158 Comment
  CHSC20913  Keckiella antirrhinoides Robert A. Schlising 1972-3-11 3012 Riverside Santa Ana Mountains southwest of Corona, in large marsh near margin of Cleveland National Forest. Comment
  CAS-BOT-BC236714  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA401718A  Keckiella antirrhinoides subsp. microphylla Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA0117832  Keckiella antirrhinoides var. antirrhinoides Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along the Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  CHSC1856  Keckiella cordifolia E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  SD122960  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Road, 8.5 mi west of Rancho California. Between roadcut and riparian area of Sandia Creek 274 Comment
  CAS-BOT-BC246205  Keckiella rothrockii H. M. Hall 1901-6-1 2588 Riverside Tahquitz Valley, San Jacinto Mts. 2499 Comment
  SEINET3224407  Keckiella ternata G. Goodwin 2012-6-15 3461 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UC38719  Koeleria macrantha H. M. Hall 1901-6-20 2206 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1645 Comment
  UCR96423  Koeleria macrantha Scott D. White 1996-8-1 4434 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC273677  Koeleria pyramidata Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2281 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CAS-BOT-BC61423  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-12 2165 Riverside Black Eagle Mine Park 670 Comment
  JOTR32602  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2668 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 Comment
  JEPS64828  Krameria grayi W. L. Jepson 1901-5-22 1394 Riverside Palm Canyon Mt. San Jacinto (and return to Van Deventer's Ranch); , Palm Canyon Comment
  POM182416  Krameria grayi E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  UC1539727  Krameria grayi Chas. B. Fiker 1946-4-17 3393 Riverside w side Colorado Desert; w side of Colorado Desert Comment
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Mar 23 2014
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  RSA728660  Kyllinga brevifolia R. E. Riefner 2004-9-25 4 -443 Riverside City of Corona; Grenn River Rd. ca 0.8 mi S of 91 Freeway overpass, Green River Golf Course at Santa Ana River. 153 Comment
  RSA562615  Lamarckia aurea Steve Boyd 1993-3-14 7724 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  UCR132773  Lamium amplexicaule S. J. Myers 2001-4-2 s.n. Riverside San Jacinto Mtns., Bautista Canyon, along Bautista creek at Bautista Road crossing, south of Conservation Camp 854 Comment
  RSA0123345  Langloisia setosissima subsp. setosissima Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8988 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
  RSA77071  Langloisia setosissima subsp. setosissima F. W. Peirson 1921-4-11 4475 Riverside Deep Canyon Wash, south side of Coachella Valley 244 Comment
  RSA796029  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 235 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  RSA390018  Larrea tridentata N. C. Cooper 1948-5-13 2839 Riverside Devil's Garden. Comment
  RSA796103  Larrea tridentata Duncan S. Bell 2009-4-20 317 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG67805  Larrea tridentata M. N. Ackley -Feb-1926 1146 Riverside Mecca -60 Comment
  UCR163926  Larrea tridentata A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29134 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR60785  Larrea tridentata Steve Boyd, Orlando Mistretta 1986-3-13 1418 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UCSB50078  Larrea tridentata Millett, Barbara 1980-5-18 Riverside Corn Springs Campground, on Corn Springs Road 8 miles southwest of its junction with Chuckwalla Road, Chuckwalla Mts 457 Comment
  UCSB9623  Larrea tridentata Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon, 1 mi from US 101 Comment
  RSA771681  Lastarriaea coriacea Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4984 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  SEINET7073342  Lasthenia californica A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  RSA28053  Lasthenia coronaria I. L. Wiggins 1941-3-27 9695 Riverside 4 mi. north of Whitewater. Comment
  UCR152634  Lasthenia coronaria A. C. Sanders 2005-4-22 29588 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA550486  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2235 Riverside San Jacinto Wildlife approximatly 1km east of Davis Road.the polulation extends from an area 20m. of the old San Jacinto River channel to a large alkaline flat, just west of the 1st wildlife ond and extending to the Horse ranch. 133 Comment
  SD239604  Lasthenia gracilis John F. Green 2008-4-15 0408 16 Riverside Peninsular Range: Perris-Aguanga Valley; Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day Street (Steele Peak 7.5'Q) 483 Comment
  UCR100043  Lasthenia gracilis Scott D. White 1994-4-23 2051 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 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
  POM15152  Lathyrus vestitus subsp. laetiflorus Mary F. Spencer 1922-6-24 s.n. Riverside Idyllwild, San Jacinto Mountains. 1768 Comment
  UCR137706  Lathyrus vestitus var. alefeldii D. L. Banks 1997-3-16 1549 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UC62896  Layia glandulosa H. M. Hall May 17 1901-Jun 1 1901 1816 Riverside San Jacinto River Canyon Comment
  UCR243517  Layia glandulosa Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21092 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  SDSU17519  Layia platyglossa Jerry Jenkins 2001-4-3 2001 -030 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  SEINET7063235  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  RSA739704  Layia ziegleri A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35614 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  UCR271692  Lemna Mitch Provance 2011-7-4 17175 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA231128  Lepechinia cardiophylla Dick Potter 1970-8-1 s.n. Riverside ca. 20 mi. SSE of Corona on Horsethief trail in vicinity of Main Divide Rd. 1220 Comment
  RSA643101  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  UCR121787  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24044 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR85571  Lepidium dictyotum var. acutidens Julie A. Greene 1993-4-3 1109 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Around pond #3 441 Comment
  CAS-BOT-BC154109  Lepidium fremontii N. Aitkenhead 1977-2-2 s.n. Riverside S-O line SW of radio tower top of Chuckwalla Mnts. Comment
  CAS-BOT-BC89431  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash. Comment
  CAS-BOT-BC89438  Lepidium fremontii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley. Comment
  UC856444  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  SDSU18644  Lepidium fremontii var. fremontii Michael G. Simpson, Kristen Hasenstab 2008-4-1 2942 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  RSA0108942  Lepidium lasiocarpum Duncan S. Bell, Amanda Bell 2012-1-28 3068 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA429920  Lepidium lasiocarpum N. R. Zabriskie, W. M. Zabriskie 1973-4-3 611 Riverside ''Poor-will Canyon'' (T5S, R4E, NE1/4 Sec 3), Palm Canyon drainage, E slope San Jacinto Mtns. 426 Comment
  RSA727385  Lepidium lasiocarpum Naomi Fraga, Lisa Rojas 2005-2-10 1363 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR20694  Lepidium lasiocarpum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1300 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
  UCR279322  Lepidium lasiocarpum A. C. Sanders, Jim Malusa 2017-3-23 42906 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  POM93985  Lepidium lasiocarpum Marcus E. Jones 1926-2-19 s.n. Riverside West of Indio, Riverside County Comment
  JOTR28808  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Bill Truesdell 2004-3-11 1076 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  RSA0135567  Lepidium lasiocarpum var. lasiocarpum G. Rink 2013-3-18 11873 Riverside About twelve miles west of Blythe, on proposed Quartzite solar power plant site. 105 Comment
  CAS-BOT-BC158125  Lepidium latifolium Abby Sirulnik 2000-5-4 38 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  SDSU14133  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  UCR201883  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  RSA162734  Lepidium virginicum J. Olmstead 1959-6-23 658 Riverside Desert Sun School near Idyllwild. 1646 Comment
  RSA673718  Lepidium virginicum var. pubescens Scott D. White, W. La Haye 2000-5-27 7951 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR250202  Lepidium virginicum var. robinsonii A. C. Sanders 2014-4-23 41047 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  CAS-BOT-BC329448  Lepidospartum squamatum W. R. Dudley 1903-12-28 s.n. Riverside Desert Palm Springs Station Comment
  UCR59846  Leptochloa filiformis George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  RSA723303  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1989-9-22 8123 Riverside San Jacinto, 8.8 km W. of State Hwy 79 on Ramona Expressway towards Lakeview 500 Comment
  SEINET10861664  Leptochloa fusca subsp. uninervia Paul M. Peterson 1989-9-22 Peterson 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. Mud flats surrounded by weedy vegetation in a fallow field. 500 Comment
  UCR176671  Leptochloa uninervia G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  CLARK-A1528-3462  Leptodactylon californicum John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  UC23804  Leptodactylon pungens H. M. Hall 1901-6 2597 Riverside near Tahquitz; San Jacinto Mountains, near Tauquitz 2529 Comment
  POM48716  Leptosiphon ciliatus I. M. Johnston 1924-7-29 8844 Riverside 6 miles SE of Poppet Flats, San Jacinto Mountains. 1524 Comment
  HSC85325  Leptosiphon lemmonii Steve Boyd 1986-4-2 1633 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC489168  Lessingia glandulifera var. glandulifera C. V. Meyer 1928-7-30 570 Riverside Sander's Meadow; San Jacinto Mts. 1676 Comment
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Nov 11 2011
  RSA192176  Leymus triticoides H. A. Zuill 1966-7-26 299 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA356744  Lilaea scilloides Robert F. Thorne 1973-5-23 45518 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  CAS-BOT-BC130878  Lilium parryi Mrs. E. C. Van Dyke 1928-7-20 s.n. Riverside Idyllwild Comment
  RSA192027  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1966-5-16 6326 -a Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  PASA744  Linanthus bigelovii 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  RSA705181  Linanthus bigelovii J. Mark Porter, Sarah J. De Groot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  POM9011  Linanthus californicus P. A. Munz, R. D. Harwood 1920-3-20 3394 Riverside Glenn Ivy 335 Comment
  HSC85324  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA773167  Linanthus dianthiflorus Duncan S. Bell, Valentin Arvizu 2010-5-24 1106 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  UCR14222  Linanthus dianthiflorus June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR49263  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  GMDRC9790  Linanthus jonesii J. M. Andre 2017-3-1 37983 Riverside Orocopia Mountains: north end of range, along Pinto Rd, 1.3 mi. ESE of Interstate 10 ( Box Cyn/Cottonwood Spring Rd exits). 479 Comment
  POM364715  Linanthus jonesii N. C. Cooper 1949-4-8 3289 -a Riverside Shaver's Summit east of Indio. 610 Comment
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Sep 20 2011
  RSA123819  Linanthus jonesii P. H. Raven 1958-3-15 11846 Riverside Box Canyon 4.5 miles east of turn to Painted Canyon. Comment
  RSA774311  Linanthus jonesii Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2190 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR132778  Linanthus lemmonii S. J. Myers 2001-4-26 s.n. Riverside San Jacinto Mtns., Bautista Canyon 854 Comment
  UCR201710  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR25033  Linanthus lemmonii A. C. Sanders 1980-7-22 1736 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR241159  Linanthus pygmaeus A. C. Sanders, Timothy W. Chumley 2013-4-2 40748 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR25362  Linanthus pygmaeus John C. Roos 1952-5-7 5619 Riverside Box Springs Mountains north of Canyon Crest Heights. 488 Comment
  UCR171972  Linaria canadensis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA85440  Linaria canadensis var. texana J. C. Roos 1952-4-9 5504 Riverside north side of Mt. Rubidoux 381 Comment
  UCR178344  Lithophragma Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1048 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  POM364837  Loeseliastrum matthewsii E. A. Purer 1933-3-25 17245 Riverside Palm Springs. Comment
  JEPS48798  Loeseliastrum schottii Marjorie D. Clary 1932-6-5 927 Riverside w. Colorado Desert, Santa Rosa Mts., Dead Indian Trail Comment
  RSA77060  Loeseliastrum schottii F. W. Peirson 1926-2-22 6506 Riverside Thousand-Palms Canyon. 152 Comment
  RSA781176  Logfia arizonica D. Silverman, Onkar Singh 2010-3-25 7843 Riverside NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Road, 4.9 km west of McCoy Wash, and 8.8 km north of I-10 151 Comment
  JOTR34009  Logfia depressa La Doux, Tasha, M. Harding 2010-4-7 2897 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  JOTR34276  Logfia filaginoides La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3291 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA691965  Logfia filaginoides Scott D. White 2001-4-18 8359 B Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA775384  Logfia filaginoides Duncan S. Bell 2011-4-10 2246 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
  RSA595327  Lolium perenne D. L. Banks, Victor Steinmann 1996-4-20 0877 B Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  RSA192223  Lolium perenne subsp. multiflorum E. W. Lathrop 1966-5-11 6291 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  RSA612937  Lomatium dasycarpum D. L. Banks 1997-3-29 1640 Riverside 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. 463 Comment
  JEPS14183  Lomatium dasycarpum subsp. dasycarpum Carl V. Meyer 1929-6-18 784 Riverside upper end Hemet Valley (San Jacinto Mts.); , Hemet Valley Comment
  POM184737  Lomatium mohavense subsp. longilobum P. A. Munz, C. L. Hitchcock 1932-4-9 12228 Riverside open flats, White Tanks, eastern Riverside. Comment
  UCR4611  Lomatium utriculatum Frank C. Vasek 1960-4-12 600412- 03 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  POM13767  Lomatium vaginatum P. A. Munz 1922-4-29 5094 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR231194  Lonicera subspicata A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39926 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  JEPS24961  Lonicera subspicata var. denudata H. M. Hall July 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  POM17410  Lonicera subspicata var. denudata M. L. Kendall 1922-5-2 s.n. Riverside Santa Ana Canyon. Comment
  POM4466  Lonicera subspicata var. denudata I. M. Johnston 1918-5-30 s.n. Riverside Lee Lake, Temescal Canyon. 335 Comment
  POM88132  Lonicera subspicata var. denudata P. A. Munz 1924-7-29 8853 Riverside Poppet Flat, Idyllwild Road. 1220 Comment
  RSA100199  Lonicera subspicata var. denudata F. W. Peirson 1920-6-22 217 Riverside Dripping Springs, Temecula River 457 Comment
  UCR243569  Lotus argophyllus Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21100 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  POM13804  Lotus argophyllus var. argophyllus P. A. Munz 1922-4-30 5128 Riverside South of St. John's Grade, near Hemet Comment
  RSA761276  Lotus crassifolius Shawn Krosnick, Lucinda A. McDade, Naomi Fraga 2010-8-14 676 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA586848  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-3 0267 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA632466  Lotus hamatus Scott D. White 1998-6-17 6751 Riverside Gavilan Hills, W Riverside Co.: Along Gaviland Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 488 Comment
  UCR182312  Lotus hamatus Mitch Provance 2003-4-5 6613 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR250106  Lotus hamatus A. C. Sanders 2014-4-9 41009 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  POM27176  Lotus heermannii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR92330  Lotus heermannii Scott D. White, M. D. Wilcox 1995-7-11 3469 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  RSA679985  Lotus nevadensis var. nevadensis LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1117 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  RSA249854  Lotus oblongifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38126 Riverside San Bernardino National Forest, San Jacinto Mts.: In James Reserve 1677 Comment
  UCR175695  Lotus purshianus Jennifer H. Jones, Scott D. White 2005-5-25 096 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  JEPS29485  Lotus rigidus Lauramay T. Dempster 1962-4-18 1897 Riverside Palms-to-Pines Highway Pinyon Flats 1066 Comment
  RSA406789  Lotus rigidus M. B. Dunkle 1935-3-31 4438 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  UCR172264  Lotus salsuginosus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA653549  Lotus salsuginosus var. salsuginosus Scott D. White 1999-5-24 7402 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 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
  UCR274146  Lotus scoparius subsp. brevialatus T. B. Salvato, Gregg Miller 2005-6-7 1430 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  POM14083  Lotus scoparius var. brevialatus P. A. Munz, D. D. Keck 1922-4-14 4998 Riverside East of Whitewater Ranch 244 Comment
  RSA314661  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55480 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA799918  Lotus strigosus Justin M. Wood, D. M. Ray 2011-4-28 3851 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UCR92050  Lotus strigosus Scott D. White 1995-3-30 2665 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  POM1918  Lotus strigosus var. hirtellus H. M. Hall 1902-04 2776 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR42356  Lotus strigosus var. hirtellus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 189 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  POM295530  Lotus strigosus var. strigosus Lyman Benson 1946-4-15 12025 Riverside 2 miles east of Banning 610 Comment
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May 23 2012
  POM7040  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2379 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA314163  Lupinus andersonii Walter Wisura 1983-6-25 3910 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  UCR102427  Lupinus andersonii Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns, along dirt road to the north of Castille Canyon Dr. at Poppet Flat, off Hwy 243. Comment
  POM349945  Lupinus arizonicus A. M. Johnson 1933-4-28 s.n. Riverside 2 miles up from Palm Springs highway, Hemet Mt. road. Comment
  POM349962  Lupinus arizonicus C. P. Smith 1936-1 2163 Riverside West side of Colorado Desert. -30 Comment
  RSA776643  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1100 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  RSA86945  Lupinus arizonicus F. W. Peirson 1921-4-13 2497 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  SD237432  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside UTM in Supplement.N. Palo Verde Mesa, E flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak. Comment
  SEINET6180890  Lupinus arizonicus David B. Dunn 1946-3-16 2060 Riverside Collected on dry plateau 1/2 mile Northeast of Pushawalla Palms (Springs). Indio Hills.; 0 Comment
  UCR18666  Lupinus arizonicus Colin Wainwright 1977-3-28 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Spring area, Little Chuckwalla Mtns 610 Comment
  SEINET10870659  Lupinus arizonicus David B. Dunn 1946-3-17 Dunn 2098 Riverside On north-facing slopes of ravine coming down from plateau east of springs at Pushawalla Canyon. Indio Hills. Comment
  RSA556436  Lupinus bicolor Julie Greene 1993-4-17 1192 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
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Dec 11 2008
  UCR171898  Lupinus bicolor John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  RSA496384  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3061 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
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May 31 2008
  UCR178308  Lupinus concinnus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 928 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR97493  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SEINET10485077  Lupinus concinnus subsp. optatus Robert F. Thorne, F. R. Fosberg; Marie, Helene Sachet; Derral Herbst 1983-4-23 Thorne 55497 Riverside San berdino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca. 4 Mi north of whitewater post office. Prostrate, Purple-flowered annual. 640 Comment
  POM50377  Lupinus densiflorus var. lacteus W. W. Eggleston 1924-3-8 19523 Riverside Hemet. 480 Comment
  UC489156  Lupinus excubitus C. V. Meyer June 1927 166 Riverside San Jacinto Mts. 1737 Comment
  LA205061  Lupinus excubitus var. austromontanus W. Pequegnat; March 1937 125 Riverside Santa Ana Mountains, Coldwater Canyon, E ridge Comment
  POM305372  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1938-3-26 646 Riverside Elsinore Temecula Comment
  CAS-BOT-BC216700  Lupinus excubitus var. excubitus Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  JOTR34172  Lupinus excubitus var. excubitus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  RSA585744  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-5-9 0408 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  UCR146444  Lupinus excubitus var. hallii R. F. Thorne, Et al. 1969-6-24 38129 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  UCR280971  Lupinus excubitus var. hallii Mitch Provance 2017-4-12 417- 79 Riverside Temescal Valley, South of the I-15, south side of Temescal Canyon Rd., vicinity of small bridge 0.8 mi W of Lake St., 0.3 mi E of Hostettler Rd. 372 Comment
  RSA630294  Lupinus formosus var. formosus R. S. Woglum 1941-5-17 3059 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. Comment
  CLARK-A1703-22  Lupinus hirsutissimus Mike Cline 1967-3-30 Riverside Box Springs Mountains Comment
  UCR35024  Lupinus hirsutissimus L. B. Ziegler 1967-4-18 113 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  RSA679949  Lupinus hyacinthinus LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1116 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
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Oct 24 2008
  SD229156  Lupinus hyacinthinus Dick Schwenkmeyer 2012-9-20 838 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  UCR35025  Lupinus latifolius var. parishii L. B. Ziegler 1972-6-27 485 A Riverside San Jacinto Mtns, Hemet (Garner) Valley tributary, Apple Canyon 1433 Comment
  SEINET2062671 Image available Lupinus longifolius Norman C. Cooper 1947-4-5 2046 Riverside Los Alamos Canyon, Elsinore. Comment
  UCR133353  Lupinus microcarpus A. C. Sanders 1985-5-4 5777 Riverside Santa Rosa Mtns, Hwy 74 near Alpine Village 1341 Comment
  UCR1038  Lupinus microcarpus var. densiflorus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Valley, along San Jacinto River wash, 3 mi. SE of San Jacinto on Mountain Avenue. 494 Comment
  UCR37489  Lupinus microcarpus var. densiflorus Steve Boyd 1980-5-3 s.n. Riverside Peninsular Range, Gavilan Hills, [Mead Valley] along Cajalco Road, 1/4 mile east of Alexander Rd. 498 Comment
  JEPS65439  Lupinus shockleyi W. L. Jepson 1927-4-12 11630 Riverside Whitewater 457 Comment
  UCR132485  Lupinus shockleyi Chris E. True 2004-3-4 s.n. Riverside Coachella Valley, Windy Point, south side of point 311 Comment
  JEPS29312  Lupinus sparsiflorus Rimo Bacigalupi and L. Heckard 1962-3-25 8408 Riverside lower slopes Estelle Mountain (along state highway 71 near junction of road to Warm Springs Valley); Lower slopes of Estelle Mountain 335 Comment
  OBI78143  Lupinus sparsiflorus David J. Keil, Malcolm McLeod 1979-3-18 12970 Riverside Alberthill Jctn along Hwy 71 366 Comment
  UCR113168  Lupinus sparsiflorus A. C. Sanders 1998-3-11 21690 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  POM305654  Lupinus sparsiflorus subsp. sparsiflorus Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1012 Riverside Aguanga. Comment
  RSA272180  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth 1978-4-30 1568 Riverside Low rounded hills east of Norco. Comment
  RSA262120  Lupinus truncatus E. W. Lathrop 1968-6-2 6966 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA414402  Lupinus truncatus N. C. Cooper 1946-4-5 2039 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA522745  Lupinus truncatus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3852 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
  RSA605684  Lupinus truncatus R. S. Woglum 1938-5-1 1611 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR174168  Lupinus truncatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32602 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
  UCR41311  Lupinus truncatus N. M. Fellows, A. C. Sanders 1985-4-9 129 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  SEINET10870706  Lupinus truncatus Earl W. Lathrop 1969-5-8 Lathrop 7013 Riverside Main divide truck; trail between el carrison and san mateo canyon. Cleveland National forest. Chaparral with southern oak woodland. Santa ana mountains. 1219 Comment
  RSA750737  Luzula comosa Scott D. White, Justin M. Wood 2009-5-22 12904 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  UC843082  Luzula comosa var. laxa P. A. Munz 1922-7-6 6000 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  RSA234113  Lycium andersonii Robert F. Thorne, R. Carolin 1967-3-21 41643 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA422107  Lycium andersonii M. B. Dunkle 1935-3-31 4442 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  UC73599  Lycium andersonii M. F. Gilman 1901-1 29 Riverside Banning Comment
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Mar 13 2011
  UCR133978  Lycium andersonii Mitch Provance, J. S. Ross 1998-3-27 MOR- 963 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR269171  Lycium brevipes Duncan S. Bell, Evan Meyer 2014-4-2 6520 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  CAS-BOT-BC231643  Lycium fremontii David B. Dunn 1946-2-22 1977 Riverside Hidden Springs Canyon in the vicinity of the Palms Comment
  RSA784977  Lycium pallidum var. oligospermum Duncan S. Bell 2012-3-18 3221 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
  RSA427023  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC489132  Madia elegans C. V. Meyer 1928-7-26 529 Riverside w side San Jacinto Mt. 2286 Comment
  UC63225  Madia elegans H. M. Hall May 1899 Riverside San Jacinto Mountains Comment
  SD233234  Maianthemum stellatum Phil Unitt 2013-6-28 Riverside Santa Rosa Mountains, 0.4 miles northwest of Virgin Spring, in a seep 2202 Comment
  CAS-BOT-BC206697  Malacothamnus densiflorus John Thomas Howell 1931-5-30 6596 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  CAS-BOT-BC345284  Malacothrix californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  RSA586843  Malacothrix clevelandii D. L. Banks, Peter Morrell 1995-5-4 0310 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 732 Comment
  POM362307  Malacothrix glabrata M. B. Dunkle 1932-3-25 2892 Riverside Cabazon. Comment
  POM362312  Malacothrix glabrata N. C. Cooper 1949-4-8 3260 Riverside Mecca Pass east of Indio. 457 Comment
  RSA559923  Malacothrix glabrata Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6912 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UC565513  Malacothrix glabrata Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UC63261  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  UCR180584  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR196012  Malacothrix glabrata R. F. Thorne, M. Z. Thorne 1973-3-30 42695 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR20755  Malacothrix glabrata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1310 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR269857  Malacothrix glabrata A. C. Sanders, Jim Malusa 2016-3-17 42355 Riverside Sonoran (Colorado) Desert, north edge of Chocolate Mountains Aerial Gunnery Range, upper Arroyo Seco on south shoulder of Bradshaw Trail 686 Comment
  SD137859  Malacothrix saxatilis var. tenuifolia Darin L. Banks, Victor Steinmann 1995-7-10 743 Riverside Northwest Palomar Mountains; Agua Tiobia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. 559 Comment
  UCR183018  Malephora crocea Mitch Provance 2003-5-5 4425 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR213430  Mammillaria tetrancistra A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37436 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA569718  Marah macrocarpa L. C. Wheeler 1960-5-11 7701 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  SD224933  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Se- facing slope. USGS 7.5' Winchester topo. 609 Comment
  UC1537624  Marah macrocarpa Gordon H. True Jr. 1935-3-1 38 Riverside Gavilan Hills 548 Comment
  UC1419866  Marina orcuttii Jan Zabriskie 1976-6-1 849 Riverside near Horsethief Creek (Cactus Spring trail, Boyd Deep Canyon Desert Research Center, University of California); Santa Rosa Mts. 1127 Comment
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Mar 20 2011
  JEPS41720  Marina parryi W. L. Jepson 1912-10-29 5248 Riverside Black Point Riverside Mts. 88 Comment
  CAS-BOT-BC71092  Marsilea vestita John Thomas Howell 1930-5-10 4777 Riverside March Field Comment
  RSA618002  Marsilea vestita R. E. Riefner 1998-4-22 98 -291 Riverside Vernal Pool Flora of the Wildomar Fault: Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore Comment
  SD124724  Matelea parvifolia A. C. Sanders, Pitzer, Charlton, et al. 1986-3-2 6053 Riverside Chuckwalla Bench, south side of the Chuckwalla Mountains, on the Bradshaw Road about 2 miles east of the gasline road. 640 Comment
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Aug 29 2010
  LA206250  Meconella denticulata W. E. Pequegnat; 1939-4-8 14 Riverside Santa Ana Mountains, Coldwater Trail 701 Comment
  UCR77310  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mtns., San Mateo Cyn. Wilderness area. Tenaja Cyn, along trail from wilderness boundary down stream towards Fisherman's Camp 549 Comment
  RSA644632  Medicago polymorpha Scott D. White 1993-3-12 1141 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  SDSU13941  Medicago sativa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2158 Riverside Santa Margarita Ecological Reserve (SDSU), along north-south running dirt road. 396 Comment
  UCR80379  Megathyrsus maximus A. C. Sanders, O. F. Clarke 1991-9-3 11159 Riverside Riverside: Australian Section of the UCR Botanical Garden. Garden Grid Cell Q-5 500 Comment
  RSA0062499  Melica imperfecta J. M. Andre 2012-6-15 30520 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
  SD244057  Melica imperfecta T. B. Salvato 2013-3-22 7410 Riverside Perris - Aguanga Basin: southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek. 395 Comment
  SEINET2473423 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37742 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 400 Comment
  UCR121322  Melica imperfecta A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24998 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR2556  Melica imperfecta F. M. Reed 1905-5-7 742 Riverside Peninsular Range, Box Springs Mtns., spring near summit of Pigeon Pass, Riverside and vicinity Comment
  RSA586853  Melilotus albus D. L. Banks, S. D. Boyd 1995-5-3 0272 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  CDA4200  Melilotus indicus Bob Rose 1964-3-11 Riverside IKI Farms, Mecca Heights, ca. 2 miles north of the Salton Sea, Coachella Valley. 0 Comment
  CSUSB1111  Melilotus indicus David H. Eslinger 1907-5-27 Riverside City of Riverside, UCR campus, near sidewalk along lawn northwest of geology building. 335 Comment
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Jul 26 2011
  UCR104900  Melilotus indicus A. C. Sanders 1997-3-19 20032 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR273502  Melinis repens subsp. repens A. C. Sanders, Glen Morrison 2016-8-4 42614 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Corona Cala Camino near intersection with El Cerezo Rd., south side of Redonda Mesa 732 Comment
  UC1931066  Mentha spicata Scott D. White, Justin Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  RSA735068  Mentha suaveolens Scott D. White, Angelia Carey 2004-6-4 10473 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SEINET3004971  Mentzelia affinis G. Rink 2011-3-28 10397 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  UCR244388  Mentzelia albicaulis Jim Andre 2012-4-16 20969 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA676101  Mentzelia involucrata Scott D. White 2001-4-3 8266 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA735395  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11219 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  RSA550272  Mentzelia involucrata var. megalantha Walter Wisura, John Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  SFV5018  Mentzelia involucrata var. megalantha F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  JOTR30330  Mentzelia jonesii La Doux, Tasha, Bill Truesdell, Erin Babich, Mark Wheeler 2008-4-8 1773 Riverside Joshua Tree National Park. Stop #3: Quail wash, Little San Bernardino Mtns.; sloping pediments above Quail wash; Old dam site w/ ground cover of Malacothrix glabrata, Linanthus aureus ssp. aureus. Comment
  POM259628  Mentzelia longiloba var. longiloba E. C. Jaeger 1939-12-12 s.n. Riverside Chuckawalla Spring, Riverside County. Alt 900ft 274 Comment
  UCR205968  Mentzelia obscura Scott D. White, Michael Honer 2003-4-30 9137 Riverside Sonoran (Colorado) Desert, Shavers Valley, about 1-2 mi SW of unnamed freeway exit at pumping station 457 Comment
  JEPS26732  Mentzelia puberula Marjorie D. Clary 1936-3-20 2620 Riverside Road from Desert Center Rice; North Colorado Desert, Coxcomb Mountain 304 Comment
  CAS-BOT-BC348453  Micropus californicus var. californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta Comment
  RSA593900  Microseris douglasii subsp. douglasii Steve Boyd, David E. Bramlet 1996-4-19 8607 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal 457 Comment
  RSA524441  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4057 Riverside Vail Lake area, summit of Big Oak Mountain at E end 793 Comment
  RSA716263  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA0016888  Microseris lindleyi Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA0018780  Mimetanthe pilosa Robert L. Rutherford 1944-6-17 1433 Riverside West side. 1372 Comment
  UCR98683  Mimulus aurantiacus S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR1657  Mimulus aurantiacus var. pubescens Leland R. Dykes 1962-5-1 61 Riverside Santa Ana Mtns, San Mateo Canyon Road, c. 10.5 mi west of Palomar Road, Murrieta Comment
  UCR48340  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA715296  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32675 Riverside 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
  SDSU12234  Mimulus aurantiacus var. puniceus Tahirih Linz, M. G. Simpson 2000-4-1 6 Riverside 0 Comment
  UCR235220  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-6-1 40239 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA0041941  Mimulus bigelovii Duncan S. Bell, Loraine Washburn 2014-4-8 6583 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UCR161406  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-9-20 31682 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  CAS-BOT-BC9460  Mimulus diffusus Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  CAS-BOT-BC9465  Mimulus diffusus Barbara Ertter; Jeffrey L. Strachan 1980-5-21 3483 Riverside Santa Rosa Mountain road (Forest Road 7S02) ca. 2 miles south of Highway 74 (Pines to Palms Highway) 1584 Comment
  UCSC000869  Mimulus fremontii Peter Kamb 1948-7-4 1173 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA770876  Mimulus guttatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4599 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA535599  Mimulus johnstonii David M. Thompson 1988-3-3 818 Riverside 4.9 miles N of I-10 access road along paved road to Whitewater Hatchery in Whitewater River Canyon, then 0.4 miles farther N beyond hatchery along dirt road. 707 Comment
  SBBG22451  Mimulus moschatus H. and M. Dearing 1942-3-9 4820 Riverside Eagle Cyn near Palm Springs Comment
  UCR174078  Mimulus pilosus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32592 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
  UC1618127  Mimulus rubellus Donald G. Nelson 1936-5-23 405 Riverside Idyllwild, Fern Canoyn. San Jacinto Mountains Comment
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Jun 10 2010
  SEINET204358  Mirabilis californica R. Bacigalupi, L Heckard 1962-3-25 8405 Riverside Nr hdwtrs Temescal Wash/Canyon W base Estelle Mt opposite Indian Cyn 3.3 mi NW Alberhill on Hwy 71 305 Comment
  SD186259  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  RSA0027985  Mirabilis laevis var. crassifolia A. C. Sanders 1997-3-1 19745 Riverside Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  CAS-BOT-BC434814  Mirabilis laevis var. retrorsa Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 340 Riverside Southwest-facing slope, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mts. 426 Comment
  CAS-BOT-BC434838  Mirabilis laevis var. retrorsa H. M. Hall 1905-4-1 5798 Riverside 8 mi west of Coachella, Colorado Desert Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA408770  Mohavea confertiflora Robert Gustafson 1983-3-27 2479 Riverside Dry rocky canyon southwest of Lake Cahuilla. Comment
  RSA758321  Mohavea confertiflora Doug Goldman 2005-3-3 3024 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SJSU11581  Mohavea confertiflora R. C. McGehee 1970-3-4 121 Riverside junction of Joshua Tree National Monument boundary & rd to Mission Sweet Mine Comment
  UCR196365  Mohavea confertiflora Naomi Fraga, Lisa Rojas 2005-2-10 1359 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR86859  Mohavea confertiflora A. C. Sanders, K. C. Rose 1995-4-27 16740 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
  RSA0017420  Mohavea confertiflora Marcus E. Jones 1924-2-28 s.n. Riverside Blythe. Comment
  RSA160555  Monardella lanceolata var. lanceolata J. D. Olmsted 1959-8-18 783 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  UCR221463  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 040 Riverside Peninsular Range; San Jacinto Mtns. Region, [Anza Valley] 1.5 to 2 miles from [south of] turnoff to Anza Monument [from modern Hwy 371] on road to Coyote Canyon 1296 Comment
  IRVC2060  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-8 SJ 304 Riverside Marion Mountain Trail. Peninsular Ranges, San Jacinto Mountains 2424 Comment
  RSA750309  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 125 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UC1499817  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside trail to Hidden Lake (about 1 mi beyond the cienega); San Jacinto Mts. Comment
  UCSB9756  Monoptilon bellidiforme Haller, John 1960-4-2 Riverside At north base of Orocopia Mtns., 1.3 miles south of the junc. of U.S. 60-70 and the south entrance road to Joshua Tree Nat. Mon. 487 Comment
  JOTR34315  Monoptilon bellioides Andre, Jim 2012-4-11 20813 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  POM363575  Monoptilon bellioides E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 70 Comment
  RSA778246  Monoptilon bellioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 932 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UC1080449  Monoptilon bellioides P. C. Everett and E. K. Balls 1958-4-29 22959 Riverside 5 mi e from junction with U. S. Hwy. 99 (U. S. Hwy. 60 and 70, Indio to Blythe) 121 Comment
  UC485270  Monoptilon bellioides Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  RSA356703  Montia fontana R. F. Thorne, Earl Lathrop 1975-5-20 45502 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  UC219067  Montia fontana P. A. Munz and I. M. Johnston 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  RSA424927B  Moraea polystachya S. Morgan 1984-11-2 s.n. Riverside UCR Botanic Garden, area north of the rose garden Comment
  UCR117410  Morus alba S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  CAS-BOT-BC275254  Muhlenbergia microsperma Rateaver 1944-2-21 59 Riverside Tahquitz Creek, Palm Springs Comment
  CAS-BOT-BC502083  Muhlenbergia microsperma A. C. Sanders; Jim Malusa 2015-3-11 41398 Riverside Sonoran (Colorado) Desert: Chocolate Mtns, Gasline Rd at jct with road to Observtion Point Slats, US Navy Chocolate Mtns Aerial Gunnery Range 723 Comment
  CLARK-A1528-4753  Muhlenbergia microsperma John C. Roos 1966-4-29 Riverside Perris Valley Comment
  GMDRC2030  Muhlenbergia microsperma J. Andre 2006-4-6 6688 Riverside Little San Bernardino Mountains: Wilson Canyon, JTNP: along Pinto Basin Rd in Wilson Canyon, growing on banks of large wash. Elev. 2841 ft. 866 Comment
  UC70986  Muhlenbergia microsperma H. M. Hall Apr. 1903 3805 Riverside vicinity of Riverside 365 Comment
  RSA736695  Muhlenbergia rigens Scott D. White 2004-4-26 10255 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UCR213303  Muilla maritima A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37697 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  RSA660503  Myosurus minimus subsp. apus A. C. Sanders, K. C. Rose 1998-5-21 21861 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  SDSU13919  Myriopteris clevelandii Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2087 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  OBI1298  Myriopteris parryi Lawrence L. Kiefer 1963-3-24 480 Riverside San Jacinto Mountains, East slope of the mountains, Andreas Canyon. SW of Palm Springs 305 Comment
  RSA421101  Nama demissa M. B. Dunkle 1937-3-25 4937 Riverside Colorado Desert. Comment
  SEINET9122027  Nama demissa Katherine Muller 1952-1 562 Riverside At S entrance to Joshua Tree National Monument. Comment
  SFV7912  Nama demissum T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1275 Riverside Along roadside at Chiriaco Summit. 521 Comment
  RSA0030701  Nama hispida var. spathulata Jim Andre 2013-3-27 24792 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA27045  Nama hispida var. spathulata C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin. Comment
  UCR19170  Nama hispida var. spathulata John C. Roos 1949-4-1 4203 Riverside Sonoran (Colorado) Desert, 3 mi. NE of Desert Center. Comment
  RSA653585  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23173 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  RSA192228  Nassella cernua E. W. Lathrop 1960-6-8 4939 a Riverside 14 miles west of Murrieta Comment
  RSA700860  Nassella cernua Michael Wall 1996-5-8 148 Riverside Van Buren Blvd west of March Air Force Base, 1.5 mi west of Fwy 215, north side of road south side of Salix-filled seasonal drainage. Comment
  RSA599110  Nassella lepida V. W. Steinmann, D. L. Banks 1996-4-20 844 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  SEINET273125  Nassella pulchra A. C. Sanders, N Ferguson 1997-3-20 20068 Riverside Riverside area; March Air Force Base W of Hwy 215 at W end of Cactus Ave. vicinity of former weapons storage fac UTM 518 Comment
  UCR115940  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR87628  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA735226  Nemacladus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11250 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SEINET10458422  Nemacladus longiflorus Philip A. Munz 1937-5-30 Munz 15088 Riverside Near Vandeverter Flat, Santa Rosa Mts. 1676 Comment
  SEINET10460858  Nemacladus longiflorus var. longiflorus Reed 1925-5-26 Reed 5140 Riverside 762 Comment
  RSA439263A  Nemacladus ramosissimus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SEINET10703391  Nemacladus rigidus var. rubescens David B. Dunn, Harold L. Lint 1955-4-1 Dunn 11836 Riverside Collected in a ravine on the arid slopes on the west side of Pushawalla canyon in the Indio Hills. Comment
  UCR157883  Nemacladus rubescens A. C. Sanders, M. Skinner 1995-4-6 16396 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  UC1563074  Nemacladus tenuis var. aliformis Steve Boyd and Orlando Mistretta 1986-3-13 1460 Riverside ne of Desert Center (w side of Palen Mts, upper bajada at base of range); Palen Mts. Comment
  POM305713  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1026 Riverside Hemet-Anza, Bautista Creek Road. Comment
  POM3455  Nemophila menziesii H. M. Hall 1897-4-7 s.n. Riverside Winchester, Riverside Comment
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Mar 20 2011
  UCR93029  Nemophila menziesii G. P. Schultz 1994-4-7 83 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA769524  Nemophila menziesii var. integrifolia Duncan S. Bell, Valentin Arvizu 2010-5-10 977 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  SD137733  Nemophila menziesii var. integrifolia Darin L. Banks, Peter Morrell 1995-5-4 301 Riverside Cleveland Nat'l Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springs Alcove Area, N of Woodchuck Trail. 609 Comment
  SEINET7063438  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  RSA544378  Nicotiana bigelovii var. wallacei Steve D. Boyd, Tim S. Ross 1991-6-14 6393 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR20695  Nicotiana clevelandii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1320 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
  RSA621469  Nicotiana glauca D. L. Banks, Elizabeth H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2168 Riverside NW Palomar Mountains, Agua Tibia Mountains: West of Vail lake at the intersection on Pauba Road and Los Caballos Road. 372 Comment
  JOTR35083  Nicotiana obtusifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3534 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  CAS-BOT-BC131886  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14919 Riverside 1.5 mi. s.e. of Kenworthy, on road toward [Coahuila] Cahuilla and Aguanga 1524 Comment
  SD122666  Nolina parryi C. C. Parry 1876-1 Riverside Probably Riverside County. Desert east of San Bernardino, (See cotype at MO for more specific locality information). Photograph of specimen only. Comment
  JEPS43999  Oenothera californica Marjorie Clary 1929-10-18 2 a Riverside w slope Santa Rosa Mt. (trail to summit) 1981 Comment
  UCSB54189  Oenothera californica subsp. avita McKinley, Gale 1985-3-26 Riverside 1/2 mile N. of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  RSA726579  Oenothera deltoides Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1428 Riverside Along Palen Road near Hwy 177. 170 Comment
  SBBG61311  Oenothera deltoides R. C. and J. R. Robbins 1933-2-16 Riverside Palm Springs-Indio Rd, near La Quinta Comment
  SEINET10492365  Oenothera dentata var. parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3704 Riverside Yellow. Found growing in a wash. Indio hills. Near pushawalla. Comment
  RSA0105865  Oenothera elata subsp. hookeri Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  UCR211716  Oenothera laciniata Fred M. Roberts 2005-5-19 6262 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  UCR41251  Olea europaea N. M. Fellows, A. C. Sanders 1985-4-9 138 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA630247  Olneya tesota R. S. Woglum 1934-4-12 1355 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  UC194829  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Shafer's Well; Colorado Desert Comment
  RSA771356  Opuntia basilaris var. basilaris Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4497 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  POM279467  Opuntia basilaris var. basilaris Edwin F. Wiegand 1950-1 68 Riverside Collected in mountains, in brush near Barton. A small country cross roads near Ramona Rancho. Comment
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Jul 11 2012
  SBBG88024  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Mesa de Colorado, 5 air mi SW of Murrieta 60 Comment
  SEINET9037780 Image available Opuntia phaeacantha M. A. Baker 2015-1 18401 Riverside San Gorgonio Pass, 32km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4km ENE of Banning, broad wash of sand, silt, rock, and gravel, mostly granitic 638 Comment
  UCSB24790  Opuntia polyacantha var. erinacea Head, W. 1966-5-15 Riverside Pinyon Flats Campground Comment
  CAS-BOT-BC56907  Opuntia polyacantha var. hystricina P. A. Munz 1952-8-21 8046 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET8733513 Image available Orobanche californica Unknown 4-6/30 192 199 Riverside Shaven's Well Comment
  RSA0077923  Orobanche fasciculata Ivan M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 243 Comment
  HSC85288  Osmadenia tenella Steve Boyd 1986-5-1 1794 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  RSA562478  Oxalis corniculata Steve Boyd, Tim S. Ross 1992-5-5 7258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  POM121836  Oxytheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA757450  Oxytheca trilobata Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55191 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  UC64504  Oxytheca trilobata H. M. Hall 1899-5-20 Riverside San Jacinto Mountains 1828 Comment
  UC565486  Palafoxia arida var. arida H. L. Mason 1928-3-10 4189 Riverside Whitewater River Comment
  UCR279562  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-29 43168 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash just above confluence with Salt Creek 338 Comment
  UCSB44687  Palafoxia arida var. arida Hibbard, Doug 1977-5-14 Riverside 75 yards off west side of Hwy. 74, 3.3 miles from its intersection with Hwy. 111 (Palm Desert area) 280 Comment
  RSA0045506  Palafoxia linearis William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  UCR260953  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6010 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south side of Hwy I-10, c. 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well 122 Comment
  SD126619  Parietaria hespera var. californica Ed LaRue 1989-4-12 Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  UCR162569  Parietaria hespera var. hespera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  POM268769  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  SD129613  Pectis papposa A. C. Sanders 1989-9-19 9507 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabasca Tank, along wash above Tabasca Target(UTM:11S,PH-35E,07N) 680 Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  CAS-BOT-BC540740  Pectis papposa var. papposa Sarah J. De Groot; Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  JOTR29252  Pectis papposa var. papposa La Doux, Tasha 2005-8-17 1533 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  RSA683915  Pectis papposa var. papposa Michael Denslow 2003-9-13 1547 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Quad) 470 Comment
  UCR241824  Pectocarya A. C. Sanders, Timothy W. Chumley 2013-4-3 40759 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  UCR213308  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37701 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR279378  Pectocarya anisocarpa A. C. Sanders, Jim Malusa 2017-3-24 42961 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA517909  Pectocarya heterocarpa Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1314 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA781652  Pectocarya heterocarpa Duncan S. Bell 2009-3-8 73 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  UC100891  Pectocarya heterocarpa H. M. Hall 1905-4-27 5921 Riverside Bottomland near Colorado River; Colorado Desert Comment
  SEINET238536  Pectocarya linearis T. B. Salvato, Mitch Provance; AC Sanders et al. 2000-4-30 65 Riverside Riverside: Box Springs Mtns. along road to radio towers from reserve parking lot. 792 Comment
  POM368779  Pectocarya penicillata Ora M. Clark 1929-4-6 1958 Riverside S. Hemet Comment
  POM6648  Pectocarya penicillata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2387 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA387372  Pectocarya penicillata Steve Boyd 1986-4-19 1693 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA702735  Pectocarya penicillata Scott D. White, Michael Honer 2004-4-6 10052 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SBBG87984  Pectocarya penicillata B. Wagner 1988-3-9 Riverside Benton Rd and San Diego aqueduct, 0.5 mi E of Winchester Rd, NE of Murrieta 411 Comment
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Mar 20 2011
  UCR165267  Pectocarya peninsularis 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
  SEINET2042516 Image available Pectocarya platycarpa A. C. Sanders 2001-3-20 23844 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UCD120139  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  RSA776273  Pectocarya recurvata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-29 894 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 838 Comment
  RSA799078  Pectocarya recurvata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCR41526  Pectocarya recurvata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6020 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR97449  Pectocarya recurvata A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  RSA192066  Pedicularis densiflora E. W. Lathrop 1959-4-2 4408 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  POM12747  Pedicularis semibarbata Philip A. Munz 1922-7-6 6020 Riverside Between Hidden Lake and Round Valley. 2561 Comment
  UCR12629  Pellaea mucronata I. G. Rauch 1968-4-25 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd near Murrieta 549 Comment
  UCR261392  Pellaea mucronata Joseph Cahill 2011-1-8 111- 22 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
  RSA25155  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA96914  Penstemon X parishii R. M. Straw 1954-6-10 602 -b Riverside Lake Fulmor. Comment
  NY583777  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside Just west of Cahuilla 1066.8 Comment
  UCR268292  Penstemon centranthifolius Jim Andre 2012-6-15 30529 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA97014  Penstemon centranthifolius R. M. Straw 1953-6-4 430 Riverside Pinyon Flat on Palms to Pines Hwy. Comment
  RSA97015  Penstemon centranthifolius R. M. Straw 1953-6-4 431 Riverside Pinyon Flats, Palms to Pines Hwy. 1220 Comment
  RSA97163  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-25 489 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  RSA0014859  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  RSA653390  Penstemon spectabilis Mitch Provance 1998-6-11 682 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  JEPS2776 Image available Penstemon spectabilis var. gilmanii M. French Gilman 744 Riverside San Jacinto Mts. Comment
  RSA502512  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3567 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR122542  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6672 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  JOTR35132  Pentagramma triangularis subsp. triangularis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3244 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  CAS-BOT-BC77492  Peritoma arborea var. angustata W. R. Dudley 1903-12-28 s.n. Riverside Palm Springs Comment
  RSA650938  Perityle emoryi David B. Dunn 1947-7-12 2981 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  RSA709895  Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SD144022  Perityle emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  SJSU11661  Perityle emoryi R. C. McGehee 1970-3-5 132 Riverside Corn Springs, Chuckwalla Mts 18 mi SE of Desert Center Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  CHSC99225  Persicaria lapathifolia John C. Dittes; Rudolph A. Dittes 2006-10-30 1424 Riverside South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of Victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. Undesignated Section of El Encino Land Grant. 207 Comment
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Mar 10 2015
  JOTR29383  Petalonyx linearis La Doux, Tasha, Mike Bell 2006-5-10 1460 Riverside Joshua Tree National Park. East Deception Canyon Comment
  HSC47320  Petalonyx thurberi R. W. Spjut, Judy Adams 1978-11-22 5237 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  JEPS41239  Petalonyx thurberi W. L. Jepson and H. M. Hall 1901-5-22 1399 a Riverside s. of Hemet's Valley (Palm Canyon and return to Van Deventer's); Mt. San Jacnto, Palm Canyon Comment
  RSA20300  Petalonyx thurberi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9568 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UC1321307  Petalonyx thurberi R. F. Hoover 1966-10-15 10155 Riverside s. of Palm Desert (Dead Indian Creek wash); Dead Indian Creek wash Comment
  LA49852  Petalonyx thurberi subsp. thurberi Norman C. Cooper; 1944-7-15 1574 Riverside San Jacinto Mountains, Palms to Pines Highway 152 Comment
  SBBG69395  Petalonyx thurberi subsp. thurberi M. D. Clary 1928-7-4 515 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  SD67610  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. Frequent in washes and on the desert floor. Comment
  UC65005  Petalonyx thurberi subsp. thurberi E. E. Schellenger 1904-10-15 48 Riverside Colorado Desert, Whitewater Wash Comment
  UCR209674  Petunia parviflora Fred M. Roberts, Carol A. Roberts 1999-10-23 5252 Riverside San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak 433 Comment
  CAS-BOT-BC326772  Peucephyllum schottii John Thomas Howell 1928-3-24 3532 Riverside Painted Canyon, Colorado Desert Comment
  LA104783  Peucephyllum schottii Barry A. Prigge; 1988-2-21 7848 Riverside Orocopia Mountains, 2 mi. W of Clemens Well, Colorado Desert 228 Comment
  RSA515204  Peucephyllum schottii Steve Boyd, Orlando Mistretta 1986-3-13 1479 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  UCR60772  Peucephyllum schottii Steve Boyd, O. Mistretta 1986-3-13 1479 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  SEINET12534538 Image available Peucephyllum schottii G. C. Wheeler, J. Wheeler 1968-3-12 s.n. Riverside Deep Canyon Desert Research Comment
  UCR241797  Phacelia ambigua A. C. Sanders, Ann Howald 2013-2-28 40560 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  RSA525262  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4575 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR241185  Phacelia brachyloba Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 502 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA314657  Phacelia campanularia Robert F. Thorne, Mrs. Raymond Fosberg, Derral Herbst, M. H. Sachet 1983-4-23 55493 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA427708B  Phacelia campanularia Ora M. Clark 1929-2-23 1588 Riverside North Whitewater. Comment
  SBBG28099  Phacelia campanularia D. Myrick 1964-4-30 828 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UCSB52572  Phacelia campanularia Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  JOTR33993  Phacelia campanularia subsp. vasiformis La Doux, Tasha, M. Harding 2010-4-7 2881 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA777275  Phacelia cicutaria var. hispida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4746 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65121 604 Comment
  SEINET7073443  Phacelia cicutaria var. hispida A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR101787  Phacelia cicutaria var. hispida George K. Helmkamp, E. A. Helmkamp 1997-3-5 1320 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR214569  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37850 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCSB42177  Phacelia cicutaria var. hispida Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  RSA678360  Phacelia distans Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10495 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SD107798  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low rounded hills east of Norco. Comment
  SEINET6627583  Phacelia distans Scott D. White 2001-4-3 8271 Riverside Colorado Desert: Shaver's Valley. south of the I-10 Freeway, ca. 15 miles east of Indio. Bajadas and exit accessing pump station Comment
  JOTR01175  Phacelia distans Cole, James E. 1941-3-30 451 Riverside Joshua Tree National Park. PINTO BASIN 609 Comment
  SD72110  Phacelia imbricata subsp. patula John Thomas Howell 1927-8-2 2915 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto. Comment
  CLARK-A1703-28  Phacelia minor Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  RSA501039  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth 1989-4-1 3160 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA650535  Phacelia minor Jim M. Morrow 1959-5-10 s.n. Riverside Near Tenaja Camp, Cleveland Nat. For. near Murrieta. 610 Comment
  RSA427703B  Phacelia minutiflora E. C. Jaeger 1922-3-29 745 Riverside Chuckwalla Valley Comment
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May 29 2011
  CLARK-A1528-7808  Phacelia mutabilis John C. Roos 1937-8-18 670 Riverside San Jacinto Mountains Comment
  RSA727867  Phacelia neglecta Naomi S. Fraga, Lisa Rojas 2005-2-10 1355 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR51351  Phacelia neglecta B. G. Pitzer, J. Wilkinson, S. J. Myers 1988-2-21 0600 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  POM122264  Phacelia ramosissima var. latifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR26103  Phacelia rotundifolia John C. Roos 1947-3-15 3350 Riverside Santa Rosa Mountains/Colorado Desert, Deep Canyon 366 Comment
  UCR16672  Phalaris aquatica Frederick Neill 1977-5-28 52804 Riverside Santa Ana Mtns., 4.8 mi. up Skyline Dr. from Corona, near crest of mountains 854 Comment
  UCR2652  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA649668  Phalaris lemmonii J. C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) Comment
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Mar 20 2011
  UCR91273  Phalaris minor Scott D. White 1995-4-5 2720 .1 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  CAS-BOT-BC6931  Philadelphus microphyllus subsp. pumilus Harvey Monroe Hall 1901-7-1 2500 Riverside San Jacinto Mountains. vicinity of Tamarack Valley 2529 Comment
  PASA1946  Philibertia hirtella 1928-3-3 Riverside Hidden Springs Col. Desert Comment
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Aug 27 2016
  RSA38667  Pholisma arenarium P. A. Munz 1946-10-21 11601 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  RSA709638  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 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
  RSA49358  Pholistoma membranaceum P. A. Munz 1949-4-11 13008 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  SBBG1369  Phoradendron bolleanum H. and M. Dearing 1940-11-11 5020 Riverside Morongo Cyn Comment
  UCR41696  Phoradendron californicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6097 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET3073024 Image available Phoradendron densum A. C. Sanders, P. MacKay, L. & P. Lubinsky 1994-10-30 15853 Riverside Catclaw Flat Quad. San Bernardino Mountains; White water River Canyon between Red Dome and Stills Landing, SE of VABM Paw. 850 Comment
  UCSB18279  Phoradendron leucarpum subsp. tomentosum Copeland, Jerry 1964-5-9 Riverside Alandale Pines, 19 miles south of Banning, 100 yards off road to Idyllwild Comment
  POM161532  Phoradendron libocedri Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  RSA500092  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3218 Riverside Vail Lake Area, at N end of Kolb Creek, near campground. 457 Comment
  SD187490  Phoradendron macrophyllum Scott D. White, Angelia Carey 2004-4-16 10156 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR100048  Phoradendron tomentosum subsp. macrophyllum Scott D. White 1993-2-2 1042 Riverside Peninsular Range; Perris-Aguanga Basin Region, Wilson Creek, at point where it crosses Sage Rd (Hwy R3), c. 2 rd. miles north of Radec Comment
  UCR158898  Phoradendron villosum A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31553 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  RSA19416  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs. Comment
  RSA339665  Physalis crassifolia Robert F. Thorne, C. W. Tilforth 1980-5-28 54195 Riverside W-facing slope of Whitewater ridge above old bridge. San Bernardino Mtns. Comment
  RSA423825  Physalis crassifolia Francis Fultz 1929-1 17149 Riverside Colorado Desert. Comment
  RSA699074  Physalis crassifolia J. Russell Bruff 1929-11-27 428 Riverside Split Rock Comment
  UCSB16567  Physalis crassifolia Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  UCSB44693  Physalis crassifolia Hibbard, Doug 1977-5-14 Riverside Off east side of Hwy 74, 3.3 miles from its intersection with Hwy 111 280 Comment
  RSA725800  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knools of Riverside: Riverside, Versity Hill (Coyote Hill), S side of the UCR campus. 418 Comment
  UCR185119  Pinus contorta subsp. murrayana Naomi Fraga, Et al. 2006-7-11 1712 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  SEINET10666440  Pinus coulteri Greg Gust, Leith Nye 2005-3-11 Gust 550 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  SEINET8060794 Image available Pinus coulteri G. Yatskievych, K. McCrary 1984-7-29 84 -122 Riverside Riverside County; State Route 243, 0.5 miles S of Baby Tree Spring 1585 Comment
  HSC79815  Pinus quadrifolia D. H. Wilken 1965-3-1 61 Riverside Paradise Valley S end of Thomas Mtn., San Jacinto Mtns. 1433 Comment
  UC188  Pinus quadrifolia H. M. Hall 1899-5-25 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  UC219283  Pinus quadrifolia Munz and Johnston 1922-5-20 5492 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR98769  Piperia elongata Scott D. White 1996-8-1 4420 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR266470  Plagiobothrys acanthocarpus Mitch Provance, Robin Kinmont 2015-3-27 315- 51 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 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
  RSA645533  Plagiobothrys canescens Scott D. White 1993-3-12 1137 Riverside San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  SEINET7048048  Plagiobothrys canescens Steven R. Hill 2001-4-29 33522 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
  LA210030  Plagiobothrys collinus var. californicus Carl B. Wolf; 1935-4-7 Riverside Gavilan Hills region, 2 mi. SW of Perris 426 Comment
  RSA0013027  Plagiobothrys collinus var. ursinus LeRoy Gross, Caitlin Elam 2013-5-14 6046 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  SEINET3078297 Image available Plagiobothrys jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37475 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q.) 204 Comment
  UCR237630  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-10 840 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 Comment
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 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
  UCR171893  Plagiobothrys nothofulvus 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
  RSA356708  Plantago erecta Robert F. Thorne, E. W. Lathrop 1975-5-20 45507 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  UCR101589  Plantago insularis Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA0035040  Plantago insularis var. fastigiata A. N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella. Comment
  HSC80287  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 mi. W of Rancho California at the junction of Rancho California Rd. & De Luz Rd. 427 Comment
  UCSB7588  Plantago major Ballard 1954-10-30 Riverside 3 miles south of Men's Reform Institution, Chino 198 Comment
  RSA718773  Plantago ovata Michael Honer, L. Hulse 2004-4-4 1928 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  POM220057  Plantago ovata var. fastigiata F. R. Fosberg 1932-3-13 8074 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  POM46952  Plantago ovata var. fastigiata Mary F. Spencer 1918-4-13 801 Riverside Palm Springs. 137 Comment
  RSA68986  Plantago ovata var. fastigiata F. W. Peirson 1930-3-29 8693 Riverside Painted canyon, near Mecca. Comment
  UCD150032  Plantago ovata var. fastigiata G. Ledyard Stebbins 1966-1 64- 135 Riverside Above Palm Springs. Comment
  JEPS3456  Plantago patagonica Marjorie D. Clary 1932-5-13 1633 Riverside Lost Horse Canyon Colorado Desert, Little San Bernardino Mountains 1219 Comment
  UCR166079  Plantago patagonica S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 854 Comment
  CAS-BOT-BC93214  Platanus racemosa B. D. Stark 1933-11-1 5555 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  CAS-BOT-BC91887  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  RSA500217  Platystemon californicus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3526 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR201468  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA472095  Pleurocoronis pluriseta M. B. Dunkle 1933-3-4 3045 Riverside Painted Canyon 61 Comment
  UC1719671  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate 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
  RSA472131  Pluchea sericea A. Menke 1955-4-26 s.n. Riverside Coachella. Comment
  UCR135982  Pluchea sericea A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27904 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  SEINET10941526  Pluchea sericea David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3734 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR2675  Poa annua F. M. Reed 1935-4-2 9263 Riverside Car storage tracks 2 miles south of Perris 436 Comment
  POM162493  Poa fendleriana Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain Comment
  CAS-BOT-BC254572  Poa fendleriana subsp. longiligula Ralph Hoffmann 1929-9-6 s.n. Riverside Mount San Jacinto 2590 Comment
  LA206408  Poa nevadensis Frank W. Gould; 1944-4-5 2234 Riverside 17 mi. E of Temecula on highway 79 Comment
  IRVC26840  Poa pratensis subsp. pratensis S. D. White 1997-5-18 5163 Riverside Vista Grande Area: just W of USFS Vista Grande Fire Station (Hwy 243 ca. 10 road miles SE of Banning). San Jacinto Mtns. 1494 Comment
  CAS-BOT-BC237696  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 304 -21 Riverside On N side of Highway 74 Comment
  RSA552738  Poa secunda Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6760 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR98342  Poa secunda A. C. Sanders, G. Helmkamp 1997-3-15 19946 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  CAS-BOT-BC242998  Poa secunda subsp. secunda H. M. Hall 1900-6-1 1439 Riverside Lytle Creek Canyon, San Antonio Mountains 1752 Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  RSA388425  Polygala cornuta var. fishiae Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61187 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA740076  Polygonum arenastrum Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA557344  Polygonum argyrocoleon Julie Greene 1993-5-12 1309 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  SEINET218263 Image available Polypodium californicum O. W. Robinson 1916-3-20 Riverside Millers Canyon, Murietta Comment
  UCR59663  Polypodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2952 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  RSA179509  Polypogon viridis E. W. Lathrop 1960-6-7 4897 Riverside 14 miles west of Murrieta Comment
  RSA741557  Polypogon viridis Justin M. Wood 2008-9-30 169 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  IRVC159  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-5-27 SJ 7 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  IRVC162  Polystichum imbricans subsp. curtum Lorene Lewton 1965-4-24 HS 552 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  SEINET10793989  Polystichum imbricans subsp. curtum George Yatskievych, Kay McCrary 1984-7-30 Yatskievych 84 -119a Riverside 0.6 mile S of Fuller Mill Creek Picnic Grounds on state Route 243; granitic side ravine of North Fork of San Jacinto River. T04S R02E S26 NE4. 1676 Comment
  CAS-BOT-BC102597  Populus fremontii S. B. Parish 1916-5-13 10841 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA757730  Populus fremontii subsp. fremontii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4353 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  CHSC101728  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside Perris/Elsinore basins; Menifee/Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 474 Comment
  POM144627  Porophyllum gracile A. M. Alexander, Louise Kellogg 1941-5-9 2141 Riverside Cottonwood Spring, Eagle Mountains 884 Comment
  RSA1556  Porophyllum gracile J. T. Howell 1928-7-10 1047 Riverside Hidden Canyon, Santa Ana Mts. 396 Comment
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Apr 24 2013
  RSA512162  Porophyllum gracile Ed LaRue 1989-5-3 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  UCR72162  Porophyllum gracile Theo Glenn 1991-5-7 91- 93 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  UCR89542  Porophyllum gracile Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument; E side of Hexie Mtns., Porcupine Wash, near the junction with Ruby Lee Canyon 732 Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SD232323  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Mesic meadow and adjacent uplands. 1584 Comment
  SD82897  Potentilla norvegica Louis B. Ziegler 1971-9-8 Riverside South slope of San Jacinto Mountains, Garner valley, flat slope of Hemet Lake. Comment
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Mar 23 2015
  UCR23547  Proboscidea althaeifolia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 17 miles west of Blythe 122 Comment
  CLARK-A1656-781  Prosopis glandulosa var. torreyana Theo Glenn 1982-4-18 Riverside Mecca Comment
  JEPS46478  Prosopis glandulosa var. torreyana W. L. Jepson Oct. 1912 Riverside Colorado River Comment
  RSA0041959  Prosopis glandulosa var. torreyana Duncan S. Bell, Loraine Washburn 2014-4-8 6587 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UCD108225  Prosopis glandulosa var. torreyana G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  CSUSB949  Prosopis juliflora Steven M. Chambers 1970-4-12 Riverside On rocky hillside near bottom station of the Palm Springs Aerial Tramway, Chino Canyon. 761 Comment
  CAS-BOT-BC216513  Prosopis pubescens John Thomas Howell 1927-8-1 2879 Riverside J Cross K Ranch, N Colorado Desert, Bottom of Mission Creek 609 Comment
  RSA453215  Prunus emarginata Elbert Benjamine 1929-5-19 210 Riverside Mt. San Jacinto. Comment
  CLARK-A1528-4030  Prunus fasciculata John C. Roos 1966-3-20 Riverside Eagle Mountains Comment
  CAS-BOT-BC158289  Prunus fasciculata var. fasciculata N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Spring Comment
  SBBG3050  Prunus fasciculata var. fasciculata H. and M. Dearing 1949-4-17 6755 Riverside Morongo Cyn Comment
  LA208140  Prunus fremontii Carl Epling; 1927-3-27 Riverside Palm Springs Comment
  OBI45185  Prunus fremontii Dave Hawks 1987-3-2 s.n. Riverside Terwilliger Valley,5 mi E of Anza 1280 Comment
  RSA304834  Prunus fremontii James R. Shevock 1972-2-26 1352 Riverside Coyote Cyn, near Anza. 1006 Comment
  RSA78209  Prunus fremontii J. C. Roos, L. Roos 1953-3-21 5908 Riverside Mouth of Andreas Canyon, south of Palm Springs. 274 Comment
  UCR81107  Prunus virginiana Scott D. White 1993-5-29 1451 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA695729  Psathyrotes ramosissima Keith E. Hoffmaster 1937-6-6 s.n. Riverside Desert grade of Palms to Pines Highway. Comment
  SEINET2054372 Image available Psathyrotes ramosissima W. H. Earle 1974-12-8 Riverside Haywood Rd. north of Rt. 60. Comment
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Aug 25 2013
  UCSB57884  Psathyrotes ramosissima Wolf, Carl 1932-4-26 Riverside Colorado Desert, 5 mi. E. of Mecca, on Blythe Road 30 Comment
  POM358759  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side canyon downstream from 'Big Pool' Andreas Canyon, N slope San Jacinto mts 335 Comment
  SBBG133559  Pseudognaphalium biolettii S. C. White 2004-4-26 10263 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Crk Watershed 518 Comment
  SD9078  Pseudognaphalium californicum Daniel Cleveland 1881-5-10 Riverside Temecula Comment
  RSA674934  Pseudognaphalium stramineum Scott D. White 2000-5-30 7970 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El Centro Rd jtn. Adv to new housing construction. Alluvial terraces with steep, incised channels. 335 Comment
  RSA526504  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross 1990-5-11 4699 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  CDA8512  Psilostrophe cooperi G. D. Barbe, J. L. Johnson 1982-11-2 4026 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  UCR41396  Psoralea macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR38699  Psorothamnus arborescens var. simplicifolius J. M. Stewart 1985-4-28 8515 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  CAS-BOT-BC353627  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside West of Indio 0 Comment
  RSA403995  Psorothamnus emoryi N. C. Cooper 1949-4-9 3343 Riverside W of Indio 0 Comment
  CAS-BOT-BC340895  Psorothamnus schottii Carl B. Wolf 1932-4-26 2973 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  CAS-BOT-BC340919  Psorothamnus schottii Marcus E. Jones 1927-4-16 s.n. Riverside Colo. Desert. Hidden Spring, near Shaver's Well Comment
  CDA27788  Psorothamnus schottii G. D. Barbe, J. L. Johnson 1982-11-2 4023 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  CDA34504  Psorothamnus schottii Mike Lahti 2011-4-24 PDR# 1357870 Riverside Palm Desert. Comment
  HSC47590  Psorothamnus schottii Richard Spjut 1978-5-10 5038 Riverside Colorado Desert: N face of Chuckawalla Mts., 2.7 mi. S of Desert Center 335 Comment
  RSA404247  Psorothamnus schottii A. Menke 1955-4-26 s.n. Riverside 3 mi. E of Shavers Well. Comment
  RSA404257  Psorothamnus schottii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  UCR279509  Psorothamnus schottii A. C. Sanders, Jim Malusa 2017-3-27 43116 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
  RSA91439  Psorothamnus spinosus F. W. Peirson 1921-4-13 568 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  SEINET951737  Pteridaceae G. Yatskievych, K. G. Preston, Mafham 1981-1 81 -134 Riverside California Highway 79, about 3 miles south of Banning in ravine 762 Comment
  RSA0123296  Pterostegia drymarioides Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8983 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
  RSA612497  Pterostegia drymarioides D. L. Banks 1997-2-23 1320 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
  UC1930054  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 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
  SD260961  Quercus Mitch Provance 2012-9-5 912 17 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Spring Rd., about 100 yards south of intersection with Breckenridge Ave. 754 Comment
  UC5837  Quercus X acutidens Samuel B. Parish 1891-11-3 2256 Riverside near Murietta Comment
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Jul 15 2009
  UCSB38775  Quercus X munzii Tucker, John; Cavagnaro, D. 1965-10-2 Riverside Live Oak Tank; Joshua Tree National Monument Comment
  CAS-BOT-BC61815  Quercus agrifolia Scott D. White 1996-4-14 3914 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, No. of Hwy. 74, ca. 71.7 mi W of USFS Cranston Fire Station 548 Comment
  RSA748221  Quercus berberidifolia T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 112 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UCR140300  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 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
  UCR250922  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch 747 Comment
  UCR260589  Quercus berberidifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41558 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UCR94493  Quercus berberidifolia Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills, 'Blue Oak Canyon,' tributary of Dawson Canyon draining N flank of Estelle Mountain. 427 Comment
  RSA124684  Quercus chrysolepis E. K. Balls, Percy C. Everett 1957-11-6 22775 Riverside Banner Grade. So. Oak Woodlands Plant Com. 1067 Comment
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Jul 15 2012
  SD229168  Quercus chrysolepis Dick Schwenkmeyer 2012-8-27 810 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UCR101421  Quercus chrysolepis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22213 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR15232  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UCR117256  Quercus cornelius-mulleri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22288 Riverside San Jacinto Mtns., along Hwy 74, 4.4 mi. east of Hwy 371 junction to Anza, just east of Vandeventer Flat 1387 Comment
  UC5842  Quercus engelmannii Samuel B. Parish 1891-11-3 2257 Riverside near Murietta Comment
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Jul 15 2009
  RSA3328  Quercus wislizeni var. frutescens Carl B. Wolf 1931-10-14 2453 Riverside Snow Creek, 100yds above the Fish Hatchery, north base of San Jacinto Mts. 610 Comment
  RSA0065416  Quercus wislizeni var. frutescens Glenn Stewart 1968-9-21 s.n. Riverside 3 mi. S. Idylwild, San Jacinto Mountains. Comment
  UCR180107  Rafinesquia californica Mitch Provance 2003-4-26 9899 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC362629  Rafinesquia neomexicana Alice Eastwood 1913-4-30 3016 Riverside Palm Springs Comment
  HSC6083  Rafinesquia neomexicana R. A. Eagle 1964-3-28 13 Riverside 4 mi. out of Palm Springs Comment
  JOTR30139  Rafinesquia neomexicana La Doux, Tasha 2008-2-4 1706 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  POM34177  Rafinesquia neomexicana Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, West Colorado Desert 305 Comment
  RSA779584  Rafinesquia neomexicana Duncan S. Bell 2009-3-7 16 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SEINET6088758  Rafinesquia neomexicana Unknown 1944-3-25 1038 Riverside Morongo Pass. Comment
  UC1595583  Rafinesquia neomexicana W. Wisura, J. Dolan, and C. Demme 1992-4-13 4685 Riverside Low Desert: Wileys Well Road, 2.7 mi S prison. Comment
  UC830533  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  RSA716819  Ranunculus californicus A. C. Sanders 2004-4-20 27558 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  POM128388  Ranunculus hebecarpus Thos. Craig 1927-4-23 222 Riverside Glen Ivy. Comment
  UCR119422  Ratibida Mitch Provance 1998-6-20 708 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  JOTR16836  Rhamnus ilicifolia Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 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
  UC592701  Rhamnus ilicifolia P. C. Everett 1935-6-18 Riverside about 1.5 mi n (below) Coldwater Canyon main divide motorway (Coldwater Canyon Trail); Santa Ana Mts., Coldwater Canyon 1280 Comment
  RSA764118  Rhamnus tomentella Linda M. Prince, Duncan S. Bell 2009-6-17 583 Riverside Cleveland National Forest Comment
  UC18587  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  CAS-BOT-BC170528  Rhus aromatica H. E. McMinn 1925-7-2 1515 Riverside Tahquitz Trail to Tahquitz Peak, San Jacinto Mts. Comment
  UCR136269  Rhus aromatica A. C. Sanders 2004-4-20 27544 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
  CLARK-A1528-5595  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  LA62860  Rhus ovata Victor Duran; 1933-7-3 3498 Riverside SANTA ROSA MOUNTAINS, 2 mi E of Pinyon Flat. 1066 Comment
  UCR275934  Rhus trilobata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3780 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  IRVC9268  Rhus trilobata var. quinata B. T. Gittins 1966-5-1 1248 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  UC1127367  Ribes amarum A. Lewis Mar 1934 351 Riverside Sugarloaf Peak Cleveland <National Forest>, Corona Quadrangle Comment
  RSA651630  Ribes aureum var. gracillimum Bennie Finnell 1948-5-17 s.n. Riverside Found near Hunt Ranch 8 mi. South of Corona. 221 Comment
  JEPS49432  Ribes cereum W. L. Jepson 1901-5-25 1450 Riverside trail to Santa Rosa Peak Comment
  HSC20371  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi. N of Pala along road to Elsinore Comment
  RSA501073  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3191 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 549 Comment
  SD73602  Ribes indecorum Helen V. Witham 1970-4-29 819 Riverside Palms to Pines Highway 2.0 miles east of Lake Hemet. 1299 Comment
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Jan 25 2010
  POM12661  Ribes nevadense P. A. Munz 1922-9-6 6384 Riverside North fork of Tahquitz Creek. 2210 Comment
  UC729897  Ribes roezlii Carl B. Wolf 1932-8-5 3969 Riverside above small stream and meadows feeding Tahquitz Creek (on trail from Tahquitz Valley to San Jacinto Peak); San Jacinto Mts. 2804 Comment
  RSA0028174  Ribes roezlii John F. Emmel 1988-5-21 1090 Riverside San Jacinto Mts.; Thomas Mountain, along road ca. 0.3 air mile WNW of Thomas Mountain Campground. 152 Comment
  UCR275362  Ricinus communis T. B. Salvato, Melissa Clemons 2005-6-9 1505 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  CSUSB1434  Rorippa nasturtium-aquaticum Rose Gagnon 1968-5-14 680514 1 Riverside On north bank of Santa Ana River where Salt Lake City bridge is located Comment
  LA208272  Rosa californica Louis C. Wheeler; 1931-10-4 204 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  SDSU13630  Rosa californica W. Miller, C. Mosse 1972-7-20 Riverside Comment
  UCSC000942  Rosa californica Peter Kamb 1948-7-11 1196 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  PASA1192  Rosa gratissima Sally Ellis 1939-6-24 Riverside Halona Comment
  CAS-BOT-BC147177  Rubus parviflorus H. E. McMinn 1925-7-2 1506 Riverside Tahquitz Trail - Mt. San Jacinto from [Idylwild] Idyllwild Comment
  LA208231  Rubus parviflorus C. Epling; William Robison 1935-6-30 Riverside San Jacinto Mountains, Above Marion Camp Comment
  UC12971  Rubus parviflorus Harley P. Chandler 1897-7-23 Riverside Deep Creek San Bernardino Mts., Deep Creek 1524 Comment
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Nov 26 2011
  RSA0030906  Rubus parviflorus var. hypomalacus Norman C. Cooper 1944-6-17 2008 Riverside San Jacinto Mtns., above Banning. 1219 Comment
  UCR199625  Rubus ursinus Scott D. White 2004-4-26 10260 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR91738  Rubus ursinus A. C. Sanders, J. Goetzen 1996-5-1 18131 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA784735  Rumex Duncan S. Bell 2012-3-18 3202 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
  UC130493  Rumex maritimus Charlotte M. Wilder 1909-7-15 794 Riverside Hemet Dam San Jacinto Mts. Comment
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Mar 25 2011
  UCR211729  Rumex pulcher Fred M. Roberts, D. E. Bramlet 2005-5-5 6181 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  UCR154377  Rumex salicifolius A. C. Sanders, Mike Misenhelter 2005-6-15 30955 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA586294  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-5-3 204 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  JEPS3037  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1935-8-21 6601 Riverside Fullers Creek 1500 Comment
  LA207772  Rumex violascens J. Warren; 1952-4-6 sn Riverside Snow Creek 609 Comment
  JOTR30775  Salix exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UCR101456  Salix exigua A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22224 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  LA208620  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  CAS-BOT-BC108115  Salix gooddingii Carl Epling; Joseph Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore Comment
  RSA717579  Salix gooddingii A. C. Sanders 2004-5-11 27842 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  RSA770929  Salix gooddingii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4786 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM295748  Salix laevigata Lyman D. Benson 1946-4-15 12046 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  SD225103  Salix laevigata Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3849 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road 533 Comment
  SD80102  Salix laevigata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 391 Riverside Sandy bay at foot of falls above crossing of water service road, Deep Canyon, N slope Santa Rosa Mts 1317 Comment
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Jun 19 2013
  UCR22151  Salix laevigata Steve Boyd 1980-5-3 183 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR90952  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  CAS-BOT-BC106969  Salix lasiolepis Steve Boyd; Aydee Virgen 2004-4-13 10847 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UC4983  Salix lutea H. M. Hall 1901-7-17 2447 Riverside San Jacinto Mts., Tahquitz Creek 1828 Comment
  CAS-BOT-BC126366  Salix sessilifolia H. M. Hall 1901-6-1 2105 Riverside Eastern base, along the borders of the Colorado Desert Comment
  RSA0112097  Salsola tragus Duncan S. Bell 2009-8-15 428 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  RSA0094571  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 mi S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire station. 700 Comment
  RSA0094959  Saltugilia australis Steve D. Boyd 1992-4-14 6836 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail. 341 Comment
  RSA0095113  Saltugilia australis Verne Grant 1955-5-17 9596 Riverside On crest of Santa Ana Mts near Hwy 74. 811 Comment
  CLARK-A1528-3104  Salvia apiana John C. Roos 1948-5-8 3823 Riverside Whitewater Comment
  HSC78534  Salvia apiana J. C. Roos 1965-6-13 Riverside Dos Palmas Spring 915 Comment
  IRVC2068  Salvia apiana R. H. Whittaker, W. A. Niering 1963-5-28 SJ 37 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  RSA0123087  Salvia apiana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8971 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
  SEINET11191795  Salvia apiana Unknown 2006-5-13 32280 Riverside Temecula Comment
  HSC38751  Salvia columbariae A. M. Montalvo, J. D. Ackerman 1975-6-26 521 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor near Upper San Juan Campground Comment
  UC1584115  Salvia columbariae Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3856 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mtn); Vail Lake Area, Temecula Creek Canyon, Big Oak Mtn. 396 Comment
  UCLA70193  Salvia columbariae A. M. Johnson 1933-4-28 4238 Riverside 2-3 mi up from Palm Springs (Indian Wells highway, along new mountain highway to Hemet) Comment
  UCR102701  Salvia columbariae B. G. Pitzer 1998-1-24 3384 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR269870  Salvia columbariae A. C. Sanders, Jim Malusa 2016-3-18 42368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR87609  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCSB5783  Salvia columbariae Cline, C. 1960-5-15 Riverside 0.2 miles from Hwy. 74; on road to Anza 1219 Comment
  SEINET10499063  Salvia columbariae R. P. Levine, H. S. Brown 1947-4-12 Levine 2 Riverside Wash, Pushawalla Canyon, Indio Hills. Comment
  RSA699687  Salvia greatae J. Mark Porter, Orlando Mistretta 2003-6-5 13621 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 southeast. 412 Comment
  UC354425  Salvia greatae Edmund C. Jaeger 1926-2-20 Riverside near Mecca; Salt Creek Wash Comment
  RSA434136  Salvia mellifera D. A. Young 1969-4-12 P 316 Riverside 10 mi SE of Hemet on State St. 335 Comment
  SEINET2066044 Image available Salvia mellifera Ed LaRue 1989-4-25 Riverside Two miles NW of Lake Elsinore, adjacent to Cleveland National Forest, at mounts of Rice and McVicker Canyons. 487 Comment
  RSA155899  Salvia mohavensis Peter H. Raven, David Verity 1960-6-5 15497 Riverside Salton View, Joshua Tree National Monument. Comment
  CAS-BOT-BC224853  Salvia pachyphylla H. M. Hall 1897-8-1 s.n. Riverside San Jacinto Mt. Comment
  SEINET2077546  Salvia pachyphylla S. Rhodes, L. Brandt, R. Taylor, M. Hansen 1999-1 Riverside Comment
  RSA727067  Salvia vaseyi Jay Walker, R. C. Walker 3101 Riverside Ca. 6 miles NE of Pinyon Flats, along hwy 74, at mile marker 87.25 in the first pullout uphill from Vista Point. Comment
  SFV3229  Salvia vaseyi P. G. Kilburn 1958-5-16 802 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74). 915 Comment
  UC889777  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UC917896  Sambucus nigra subsp. caerulea Frank W. Gould 1943-4-17 2111 Riverside 12 miles south of Corona Comment
  UC1552639  Sanicula arguta B. Pitzer and E. Misquez 1988-2-28 628 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro 426 Comment
  CAS-BOT-BC223223  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd. 427 Comment
  SD137923  Sanicula bipinnatifida Darin L. Banks, Steve Boyd 1995-3-15 55 Riverside Northwest Palomar Mountains. north face of Agua Tibia Mountain, Dorland Mountain Area. 740 Comment
  UCR102886  Sanicula bipinnatifida A. C. Sanders 1997-3-26 20137 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR136282  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 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. 335 Comment
  UCR144752  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  RSA221031  Sanicula crassicaulis E. W. Lathrop 1966-3-30 6123 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UCR89491  Sanicula tuberosa Steve Boyd, T. Ross 1993-3-23 7908 Riverside Peninsular Range, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn. 735 Comment
  UC23114  Sarcostemma cynanchoides subsp. hartwegii H. M. Hall 1899-8-10 1368 Riverside Riverside Comment
  SEINET7048150  Sarcostemma cynanchoides subsp. hartwegii Steven R. Hill 2001-5-3 33651 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road, halfway up Chino Canyon, about 1-1.5 miles southwest of California Route 111, Palm Springs. At boundary of Palm Springs Aerial Tramway property, at entrance gate. Elevation about 1000-2000 feet. Comment
  UC1563035  Saxifraga californica Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2988 Riverside below Vail Lake Dam (Temecula Creek Canyon); Vail Lake area, Temecula Creek Canyon 417 Comment
  UCR4102  Schinus molle Ronald M. Cope 1965-2-20 s.n. Riverside Riverside, vicinity of Gage Canal & La Conte Drive. 275 Comment
  RSA0036799  Schismus barbatus Starr Streight 1982-4-17 23 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  SD144108  Schismus barbatus A. C. Sanders 1997-3-1 19705 Riverside Box Springs Mtns., Coyote Hill (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SD152982  Schismus barbatus Steve Boyd, Tim Ross 1992-2-21 6661 Riverside San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Cyn south 853 Comment
  SEINET9753397 Image available Schoenoplectus tabernaemontani Richard Carter 2005-6-25 Riverside Temecula, along west side Del Rio Road, vic. jct. with Calle Cortez Comment
  RSA627457  Scirpus microcarpus Scott D. White 1998-7-31 6956 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA736791  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0035196  Scrophularia californica var. floribunda Bruce Albert 1982-4-17 49 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  POM122461  Scutellaria siphocampyloides Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UC306716  Selaginella bigelovii I. M. Johnston 1918-4-3 1824 Riverside s end Juniper Flat; Lakeview Mts. 609 Comment
  UC577086  Selaginella bigelovii Lewis S. Rose 1934-12-25 34495 Riverside 10 mi n Whitewater (T Cross K Ranch); Mission Canyon Comment
  UCR112952  Selaginella bigelovii B. G. Pitzer 1998-3-1 3553 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  SEINET10971467  Selaginella bigelovii George Engelmann 1880-11-11 Engelmann s.n. 1880 Riverside Whitewater near San Gorgonia Pass, rocky hillsides. Comment
  RSA679194  Selaginella watsonii Michael W. Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1446 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCR166764  Senecio californicus Scott D. White, Jennifer H. Jones 2005-5-25 11109 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  RSA796016  Senecio mohavensis Duncan S. Bell 2009-4-18 247 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 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
  RSA612775  Senecio vulgaris D. L. Banks, Victor W. Steinmann 1997-3-13 1427 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET5504219  Senna armata Ynez Whilton Winblad 1937-4-22 Riverside Box Canyon Comment
  UCR59720  Sesbania herbacea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  CAS-BOT-BC438211  Sesuvium verrucosum E. A. McGregor 1917-3-17 722 Riverside Colorado Desert. Agua Dulce Springs, N.W. corner of Salton Sea Comment
  UC1713560  Sesuvium verrucosum L. J. Childs 1920-12-8 Riverside Colorado Desert, Dos Palumas Dos Palumas; Colorado Desert, Dos Palmas 30 Comment
  UC1930966  Sesuvium verrucosum R. E. Riefner Jr. 2008-8-25 05 -648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. Comment
  UCR95719  Setaria viridis D. L. Banks, Lauren Raz 1996-8-29 1136 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  UCR227596  Sidalcea malviflora Duncan S. Bell, Joy England 2010-5-20 1023 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1361 Comment
  UCR151430  Sidalcea malviflora subsp. sparsifolia D. L. Banks, V. W. Steinmann 1997-3-13 1436 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing De