Search Results — 2000 specimen records retrieved (1901 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
  CSUSB1083  Abronia villosa Heather Hanson 1966-5-12 s.n. Riverside found in field 50 yards south of roadside. Highway 74 from Hemet to Idyllwild. 609 Comment
  RSA175175  Abronia villosa Robert F. Thorne 1963-3-29 32365 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  SDSU8420  Abronia villosa J. Godsil 1953-3-20 582 Riverside Sand dunes, east of Palm Springs. 140 Comment
  GMDRC6584  Abronia villosa var. aurita J. M. Andre 2012-6-15 30546 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  POM47006  Abronia villosa var. aurita Mary F. Spencer 1919-6-17 1330 Riverside Near San Jacinto 305 Comment
  RSA0103442  Abronia villosa var. aurita Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8560 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA60832  Abronia villosa var. aurita Frank W. Gould 1943-4-17 2119 Riverside 12 miles south of Corona on road to Elsinore. Comment
  RSA784779  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 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
  RSA760970  Abronia villosa var. villosa Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 155 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  UCR196383  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1420 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  JEPS90901  Acacia greggii W. L. Jepson 1912-10-29 5246 Riverside Riverside Mountains, along the Colorado River, Needles to Yuma Colorado River; Riverside Mountains, Colorado River 91 Comment
  RSA414904  Acacia greggii var. arizonica N. C. Cooper 1943-10-8 964 Riverside Banning. Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  RSA696775  Acamptopappus sphaerocephalus W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  SEINET1956968 Image available Acamptopappus sphaerocephalus L. R. Abrams 1941-4-23 13923 Riverside Whitewater Water wash, Palm Springs railroad station. Comment
  JEPS12539  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1833 Riverside label heading: Journey of Jepson & Hall from Riverside to Palm Canyon (and return to Van Deventers); Van Deventers Flat Comment
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Jul 5 2010
  POM188068  Achillea millefolium L. Crutcher 1933-7-6 19 Riverside Camp Tahquitz, San Jacinto Mts. Comment
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Sep 27 2009
  RSA296155  Achnatherum coronatum B. A. Prigge 1980-8-5 3830 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA673498  Achnatherum coronatum Scott D. White, Sandy Leatherman 2000-4-19 7664 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  POM294594  Achnatherum hymenoides Lyman Benson 1955-1-8 15401 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
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Feb 19 2013
  UCD50378  Achnatherum hymenoides F. W. Peirson 1921-3-24 4322 Riverside White Water, Colorado Desert Comment
  POM123135  Achyronychia cooperi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SBBG1974  Achyronychia cooperi H. and M. Dearing 1931-12-26 217 Riverside near Indio Comment
  UCR215004  Achyronychia cooperi T. B. Salvato 2010-4-20 4069 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CAS-BOT-BC213411  Acmispon argophyllus var. argophyllus I. M. Johnston 1920-5-8 2273 Riverside Butte west of Lakeview. Comment
  CAS-BOT-BC204876  Acmispon argyraeus var. argyraeus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SBBG119997  Acmispon brachycarpus A. C. Sanders, K. Volansky 2005-3-17 29213 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Apr 2 2011
  SD107125  Acmispon glaber B. Ertter, J. Strachan 1979-6-26 2983 Riverside Hwy 243 near Idyllwild, San Jacinto Mts, decomposed granite of roadside. Comment
  SBBG120129  Acmispon micranthus A. C. Sanders, K. Volansky 2005-3-17 29205 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA795741  Acmispon strigosus Jim Andre 2012-3-19 21317 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SD44851  Acmispon strigosus Darley F. Howe 1952-4-6 2178 Riverside 12 miles east of Mecca Comment
  SFV17338  Acmispon strigosus J. N. Hogue, J. D. Dilley 1998-4-23 108 .21 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC1979597  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  LA207889  Adenostoma sparsifolium H. Lewis; 1939-10-22 1036 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  SEINET3076976 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  SD82401  Adiantum capillus-veneris Albert C. Copeland Unknown 2637 Riverside Temecula CaA'on Comment
  UCR119274  Agave americana Mitch Provance 1998-6-24 756 B Riverside Jurupa Mountains, Glen Avon Heights, property north of the end of Flemming St., and just south of the Glen Avon Quarry. 259 Comment
  SEINET10720797  Agave deserti Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UCR193877  Agrostis A. C. Sanders, Mitch Provance 2008-7-11 35808 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CAS-BOT-BC127425  Agrostis exarata Carl B. Wolf 1932-8-6 3997 Riverside San Jacinto Mountains. 2.9 miles from Idyllwild on road to Hemet. 1219 Comment
  UCD52436  Agrostis exarata August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
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Sep 8 2011
  RSA5908  Agrostis idahoensis C. B. Wolf 1932-8-5 3945 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  UCR2126  Agrostis idahoensis F. M. Reed 1908-7-11 2500 Riverside San Jacinto Mtns., trail to San Jacinto Peak 2927 Comment
  POM1150  Agrostis pallens H. M. Hall 1901-1 2375 Riverside San Jacinto Mountains: south side. 1677 Comment
  RSA740248  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside Johnson Meadow 1415 Comment
  RSA267968  Ailanthus altissima E. W. Lathrop 1977-5-19 7681 Riverside Base of Sierra, facing Santa Ana Canyon, 1 mi. NE Coal Canyon. 168 Comment
  UCR98068  Alchemilla occidentalis A. C. Sanders 1997-3-1 19733 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA90264  Alhagi camelorum W. T. Sevingle, A. B. Stout 1922-11-15 s.n. Riverside Indio, Coachella Valley Comment
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Aug 6 2013
  RSA462625  Allionia incarnata Robert Gustafson 1980-4-3 1527 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  UCR233943  Allionia incarnata Duncan S. Bell 2011-10-22 2996 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR237637  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine, c. 2 air mi northeast of Riverside Mountain Peak 215 Comment
  RSA698213  Allionia incarnata var. nudata J. Russell Bruff 1929-12-28 449 Riverside Dos Palmas Comment
  RSA367021  Allium Ducelia Sobb 1937-04 s.n. Riverside Near Blythe. Comment
  JOTR32471  Allium denticulatum Harding, Mitzi 2011-5-13 18 Riverside Joshua Tree National Park. Little San Bernardino Mountains; near Ryan Mountain trailhead 1341 Comment
  CAS-BOT-BC131984  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  POM172031  Allium haematochiton F. M. Reed 1930-4-15 6814 Riverside Plateau south of Gavilan Peak. [Gavilan Plateau] Comment
  POM230625  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  SD148278  Allium marvinii A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mountains, Santa Rosa Plateau, hills west of the head of DeLuz Creek, 0.4 miles south of Tenaja Road, on west side of Calle Roble, near avenida Matorral; Wildomar 7.5' quad. In an open grassy area among oaks. 671 Comment
  UCR156477  Allium munzii Jason L. Hlebakos 2005-5-3 618 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  POM17545  Allium praecox H. Baer 1923-4-19 s.n. Riverside Rice Canyon, near Elsinore. Comment
  RSA556518  Allium praecox Julie Greene 1993-4-10 1130 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. El Casco 7.5 USGS Quad. R2W, T3S, Center of the SW/4 of Section 29. 475 Comment
  UCR274314  Allophyllum Jennifer H. Jones, Scott D. White 2005-5-25 s.n. Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  UCR158323  Allophyllum glutinosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30066 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
  UC64578  Amaranthus albus H. M. Hall 1901-8-6 2650 Riverside Moreno Comment
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Mar 20 2011
  UCR145578  Amaranthus albus Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  UCR40101  Amaranthus blitoides Steve Boyd 1985-7-30 1046 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  JOTR30834  Amaranthus fimbriatus Andre, Jim, Tasha La Doux 2008-9-16 10706 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA165959  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Highway. 1220 Comment
  UCR272670  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  RSA709116  Amaranthus hybridus Scott D. White, Justin Wood 2005-10-4 11236 Riverside Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  RSA661034  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  SD122878  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside De Luz Road, 8.5 miles west of Rancho California 274 Comment
  CLARK-A1528-145  Ambrosia acanthicarpa Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR115128  Ambrosia acanthicarpa Mitch Provance 2000-10-28 2281 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR239599  Ambrosia acanthicarpa O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  CAS-BOT-BC22583  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -17 Riverside Whitewater Canyon Comment
  RSA696739  Ambrosia dumosa W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  RSA761082  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 143 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA766670  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 162 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UCR227460  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 172 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, off Box Canyon Road (66th St./Hwy 195), campground east of Mecca 198 Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 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
  POM246586  Ambrosia ilicifolia E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, chuckawalla Mts. Colorado Desert. 366 Comment
  SJSU11733  Ambrosia ilicifolia R. C. McGehee 1970-4-30 248 Riverside 4 miles W of Corn Spring Canyon ca. 18 miles SE of Desert Center Comment
  POM246655  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  RSA561514  Ambrosia psilostachya Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7659 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR34911  Ambrosia psilostachya L. B. Ziegler 1967-9-18 247 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  RSA0103315  Ambrosia salsola Jim M. Andre 2012-4-11 20707 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  JEPS121497  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 412 Riverside West side of Highway 177. Comment
  RSA0065861  Ambrosia salsola var. salsola Cheryl Sevilla, Sarah J. De Groot 2015-3-16 23 Riverside Transverse Ranges, San Bernardino Mountains region: San Gorgornio Wilderness Area; just west of Mission Creek; 0.7 miles northwest of the Stone House. 819 Comment
  UC724141  Ambrosia salsola var. salsola Aven and Ruth Nelson 1939-3-22 3220 Riverside near Palm Springs Comment
  UCR282349  Ammannia coccinea Mitch Provance, Jeremiah George 2017-7-26 717- 02 Riverside San Bernardino Valley, Jurupa Valley, northeast side of the Riverside Basin, just SE of Philadelphia St. and Wineville Rd. 247 Comment
  RSA0120137  Amorpha fruticosa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9080 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCR19436  Amorpha fruticosa C. S. Papp 1963-6-29 311 Riverside Riverside, Santa Ana River bed Comment
  CAS-BOT-BC26856  Amsinckia ctenocarpa Emmet Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CDA40603  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance. 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region; Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. Comment
  POM47130  Amsinckia intermedia Mary F. Spencer 1918-4-12 845 Riverside Palm Springs. 137 Comment
  UCR154827  Amsinckia intermedia A. C. Sanders, Mike Misenhelter 2005-3-23 29273 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SEINET3004994  Amsinckia menziesii G. Rink, M. Baker 2011-4-3 10422 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  JOTR34229  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3082 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  UCR113978  Anagallis arvensis Mitch Provance 2000-6-24 2047 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA336208  Anagallis minima Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51984 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCSC003150  Angelica tomentosa Peter Kamb 1948-10-31 1282 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  JOTR32141  Anisocoma acaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2297 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  UC891462  Anisocoma acaulis K. Watkins and E. McClintock 1937-4-10 Riverside near road to, on Palms-to-Pines Highwayl Shumway Comment
  CAS-BOT-BC79941  Antennaria microphylla Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC29526  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley Comment
  UCR111741  Anthemis cotula S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  RSA500552  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3595 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA0034830  Antirrhinum coulterianum J. C. Roos 1941-5-17 138 Riverside About 4 miles S.W. of March Field. Comment
  SD227898  Antirrhinum nuttallianum A. C. Sanders 1994-5-15 14492 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  SD143759  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: Northeast of Skinner Lake in a tributary to Rawson Canyon, along dirt road. North-facing slope in a brushy side canyon 502 Comment
  SD185109  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  UCR174064  Apiastrum angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32517 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  VVC25  Apium graveolens P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  UCR35001  Apocynum cannabinum L. B. Ziegler 1968-6-25 320 Riverside San Jacinto Mtns, Hemet Valley 1418 Comment
  RSA49177  Arabis glaucovalvula P. A. Munz 1949-4-13 13057 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UC216812  Arabis glaucovalvula H. M. Hall May 1905 6019 Riverside Cottonwood Springs Colorado Desert Comment
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Oct 9 2010
  RSA629127  Arctostaphylos Jon E. Keeley 1992-7-17 16763 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629136  Arctostaphylos Jon E. Keeley 1992-7-16 16574 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR273477  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42624 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  SDSU18355  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-28 380 Riverside North of city of Escondido, ca. 3 km northwest of Dixon Lake. In Daley Ranch along Rock Ridge Trail. 529 Comment
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Mar 2 2015
  RSA629408  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19497 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
  RSA629453  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16809 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA631770  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15081 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631799  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19570 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631807  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15073 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA632652  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16536 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  UCR94067  Arctostaphylos glauca Scott D. White, D. Haselfeld 1996-7-2 4251 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  POM259130  Arctostaphylos parryana subsp. desertica P. A. Munz 1938-8-14 15376 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA633549  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21782 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633671  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20159 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633750  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21783 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633769  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16629 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635301  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22540 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  UC922082  Arctostaphylos pringlei subsp. drupacea Frank W. Gould 1943-4-18 2135 Riverside mountain slopes 8 mi e Idlewild Comment
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Sep 29 2011
  CSUSB1373  Arctostaphylos pringlei var. drupacea Sue Freeman 1966-4-30 Riverside San Jacinto Mountains San Jacinto Mountains. Along Fuller Mill Creek in Yellow Pine Forest. 1523 Comment
  SEINET7267028  Arctostaphylos pungens E. K. Balls 1949-5-4 13485 Riverside San Jacinto Mts., 0.5 mile south of Vista Grande Ranger Station. 1494 Comment
  SD180716  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 397 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  SD185195  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 Riverside Santa Rosa Plateau, southwest of Mesa de Colorado, Carancho Road at Tortuga Rd. 366 Comment
  UCR252765  Arctostaphylos rainbowensis John Dvorak, Ana Hernandez 2012-4-5 021 Riverside Peninsular Range, 1.2 kilometers, 353 degree bearing from the intersection of Anderson Road and Rainbow Heights Road, Hills north of Rainbow Conservation Camp State facility 599 Comment
  UC1361894  Arenaria macradenia var. macradenia Reid Moran 1968-8-3 15366 Riverside Santa Rosa Mtn. Santa Rosa Mtn. (1 mile w of summit) 2150 Comment
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Jan 2 2010
  SEINET12102572  Argemone corymbosa Unknown 1936-1 12854 Riverside Foothills of San Jacinto Mts, near Palm Springs Comment
  CAS-BOT-BC207134  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC500430  Aristida adscensionis A. C. Sanders; Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mts Aerial Gunnery Range 480 Comment
  JOTR31777  Aristida adscensionis La Doux, Tasha, Jim Andre 2009-3-10 386 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA0062478  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40415 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. 114 Comment
  UCR167416  Aristida adscensionis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  POM199353  Aristida adscensionis var. abortiva Joseph A. Ewan 1932-4-11 7089 Riverside Martinez Canyon, Santa Rosa Mountains. 366 Comment
  POM219941  Aristida adscensionis var. modesta F. R. Fosberg 1932-3-13 8102 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  UCD56533  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  JOTR29526  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  UCD56552  Aristida purpurea var. nealleyi F. M. Reed 1920-5-9 4316 Riverside Colorado Desert, mouth of Andreas Canon. 304 Comment
  UCR220001  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR85178  Artemisia californica A. C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
  RSA417288  Artemisia douglasiana L. C. Wheeler 1931-10-4 200 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA741734  Artemisia douglasiana Michael Wall 2008-10-3 493 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  JOTR36398  Artemisia dracunculus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3349 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  SDSU12991  Artemisia dracunculus Michael G. Simpson with Claudia A. Luke 1999-10-27 2011 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  RSA90135  Artemisia dracunculus E. K. Balls, Percy C. Everett 1953-8-19 18531 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  RSA70039  Arthrocnemum subterminale F. W. Peirson 1922-5-19 3068 Riverside 2 miles southeast of Perris Comment
  SD245239  Asclepias eriocarpa R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49540 Riverside Santa Ana Mountainss: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  SBBG5710  Asclepias erosa H. and M. Dearing 1938-3-5 1971 Riverside between Blythe and Desert Center Comment
  UCR224181  Asclepias erosa Justin M. Wood, Dustin M. Ray 2010-10-21 2999 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northeast of Victory Springs and 0.9 km east of Kaiser Road on unmarked 4WD road 198 Comment
  SBBG46422  Asclepias subulata C. H. Muller 1952-5-21 9514 Riverside mouth of Morongo Cyn Comment
  HSC86951  Asparagus asparagoides B. G. Pitzer, E. Misquez 1988-2-28 636 Riverside Walker Basin, SW of Murrieta, Avenida Del Oro, 2 mi. S of Rancho California Road 428 Comment
  UC1550221  Asparagus asparagoides B. Pitzer and E. Misqez 1988-2-28 636 Riverside sw of Murrieta (Avenida del Oro, s of Rancho California Road, n of road); Walker Basin 426 Comment
  RSA585635  Aspidotis californica Darin L. Banks, Steve Boyd 1995-3-15 70 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR261103  Aspidotis californica Joseph Cahill 2011-1-8 111- 02 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
  CAS-BOT-BC68762  Asplenium vespertinum Elmer I. Applegate 1892-4-23 s.n. Riverside Hills of East Riverside Comment
  POM146198  Aster hesperius F. M. Reed 1927-11-15 5664 Riverside Water ditch on Central Cove, near Olivewood Cemetery 274 Comment
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May 1 2011
  POM48847  Aster hesperius Mr Grout, S. Grout 1900-9-27 s.n. Riverside Cienega Comment
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Jul 4 2010
  RSA575923  Aster subulatus var. ligulatus Steve Boyd 1994-9-29 8363 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  CAS-BOT-BC177462  Astragalus aridus Roxana S. Ferris 1953-3-9 12599 Riverside Near junction of U.S. 60 & 70 with Desert Hot Springs road Comment
  JOTR31220  Astragalus aridus La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2004 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 2) sand ramps, interspersed with basalt outcrops, sparsely vegetated 349 Comment
  RSA3978  Astragalus aridus C. B. Wolf 1932-4-29 3116 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  SBBG3150  Astragalus aridus H. and M. Dearing 1949-4-6 6737 Riverside below sea level, near Mecca Comment
  SD134669  Astragalus aridus Craig Reiser 1993-3-16 Riverside Coachella Valley near Thousand Palms, not far from Washington Street interchange on Highway 10 Comment
  RSA0054857  Astragalus aridus W. Marquart 1938-3-12 s.n. Riverside Ten mi. West of Blythe. Comment
  SEINET938073  Astragalus coulteri G. B. Cummins 1906-1 A- 77 -6747 Riverside Colorado desert at Palm Springs. Comment
  CAS-BOT-BC177734  Astragalus crotalariae Ira L. Wiggins 1941-3-24 9580 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  CAS-BOT-BC182585  Astragalus didymocarpus var. dispermus Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  RSA85878  Astragalus didymocarpus var. obispoensis J. C. Roos 1952-4-30 5606 Riverside Hills between Camp Haan and Riverside 518 Comment
  SBBG68214  Astragalus douglasii R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  SEINET948334  Astragalus gambelianus Steve Boyd 1986-1 1754 Riverside Temescal Canyon. Just south of Interstate 15. Comment
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  UC68633  Astragalus insularis var. harwoodii H. M. Hall Apr., 1905 5976 Riverside Hodges Mts. , Hodges Mts. (Colorado Desert) 152 Comment
  UC129404  Astragalus lentiginosus var. coachellae Geo. B. Grant May 1 - 10, 1906 77 a-6747 Riverside Colorado Desert at Palm Springs Comment
  CAS-BOT-BC187376  Astragalus lentiginosus var. variabilis Peter H. Raven 1958-5-5 12903 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  CLARK-A1528-2753  Astragalus nuttallianus John C. Roos 1958-3-15 Riverside Chuckwalla Mountains Comment
  CAS-BOT-BC192756  Astragalus palmeri Edmund C. Jaeger 1921-4-13 s.n. Riverside Entrance to Martinez Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC192759  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  SEINET2060246 Image available Astragalus palmeri P. J. Leary 1976-1-30 1443 Riverside East Wide Canyon, Joshua Tree National Monument 792 Comment
  CAS-BOT-BC192827  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  CAS-BOT-BC194133  Astragalus pomonensis L. R. Abrams 1926-3-27 11138 Riverside Between Redlands and Bannings at junction of Wildwood Canyon Road Comment
  CAS-BOT-BC194175  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  RSA108533  Astragalus pomonensis P. H. Raven, Sidney R. Snow 1956-6-30 9543 Riverside Deserty flats 1.7 miles west of Dripping Springs Guard Station, Temecula River. 365 Comment
  UC1921999  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-16 10161 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes. Comment
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Apr 22 2018
  UCR92101  Astragalus pomonensis D. L. Banks, Steve Boyd 1995-6-2 579 Riverside Palomar Mtns., Cleveland National Forest, Agua Tibia Mountains, NE of the Dorland Mountain area, north of the Agua Tibia Wilderness Area, east of Kolb Creek. c. 100m east of junction between the Woodchuck Road and Hwy 79 512 Comment
  RSA0120242  Athysanus pusillus Duncan S. Bell 2016-4-14 9275 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  RSA614289  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south 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
  RSA418187  Atrichoseris platyphylla N. C. Cooper 1949-4-8 3289 Riverside Shaver's Summit east of Indio 610 Comment
  CAS-BOT-BC167199  Atriplex argentea A. C. Sanders 2004-8-10 28771 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  POM278705  Atriplex canescens Grant D. Brown 1950-12-2 578 Riverside Temescal Wash at entrance to Cajalco Canyon, SE of Corona. 274 Comment
  SEINET3930583  Atriplex canescens Grant D. Brown 1950-12-2 594 Riverside Santa Ana River NW of Arlington.; 0 198 Comment
  CAS-BOT-BC170202  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway siding), 4 1/2 mi SE of Mecca, Colorado Desert. 60 Comment
  CAS-BOT-BC170215  Atriplex canescens subsp. canescens Ivan Johnston 1917-4-4 1033 Riverside Near Palm Springs - Colorado Desert 182 Comment
  JOTR31142  Atriplex canescens subsp. canescens La Doux, Tasha 2009-6-3 1853 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SBBG34725  Atriplex canescens var. canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UC7066  Atriplex coronata var. notatior H. M. Hall 1901-6-7 2002 Riverside San Jacinto Lake Comment
  UCR66978  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2058 Riverside c. 6.3 km. west of Hemet, beside a dirt road in an open field, about 440 m west of intersection of Florida and Warren Streets, south side of Florida, c. 267 m from the road edge 500 Comment
  CAS-BOT-BC334494  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  SD123921  Atriplex lentiformis subsp. lentiformis Barry A. Prigge 1980-9-17 4057 Riverside Coachella Valley stormwater channel; east of Munroe St., Indio. Comment
  OBI2984  Atriplex polycarpa Lewis S. Rose 1967-12-19 67177 Riverside La Quinta 15 Comment
  RSA532571  Atriplex serenana var. davidsonii D. Bramlet 1991-6-1 2188 Riverside 5.8 km W of Hemet and some 25 m SW of the intersection of Florida and Warren; 10 m from a disturbed area (parking) S of Florida. 500 Comment
  SD146320  Atriplex suberecta A. C. Sanders, Mitch Provance 1999-9-26 23115 Riverside San Jacinto Valley; Mystic Lake, 1.4 mile southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mile south of Eden Hot Springs. 433 Comment
  RSA585868  Avena barbata D. L. Banks, Steve Boyd 1995-5-9 354 -A Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  SEINET7048193  Avena fatua Steven R. Hill, Andrew C. Sanders 2001-5-4 33702 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  CLARK-A1528-1622  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  RSA0040118  Baccharis emoryi Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC within Upper San Andreas Oasis, 1 mile south of oasis. Comment
  RSA486458  Baccharis emoryi Richard Noyes 1988-10-30 758 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  SD224825  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18109 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  UCR163731  Baccharis salicifolia B. G. Pitzer 2001-11-4 4349 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  SEINET10616773  Baccharis salicifolia David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3724 Riverside Indio Hills, Colorado Desert. Near Pushawalla. Comment
  CAS-BOT-BC106627  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  SBBG132102  Bahiopsis laciniata S. C. White, M. Honer 2003-5-27 9419 Riverside hills and cyns ca. 1 mi N of the I-15 Freeway and 1 mi E of Lake St exit; Gavilan Hills/Temescal Cyn 396 Comment
  CAS-BOT-BC295891  Bahiopsis parishii Lewis S. Rose 1935-12-23 35701 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 1066 Comment
  LA204018  Bahiopsis parishii H. Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  RSA776089  Bahiopsis parishii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 821 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  SD253370  Bahiopsis parishii A. C. Sanders 2015-9-11 41872 Riverside Sonoran Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  CAS-BOT-BC99951  Baileya pauciradiata John Thomas Howell 1928-3-11 3435 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  UC665908  Baileya pauciradiata Ira L. Wiggins 1941-3-27 9687 Riverside 8 mi ne of, s end of Coxcomb Mts. Desert Center; Coxcomb Mountains Comment
  JOTR01237  Baileya pleniradiata Cole, James E. 1941-6-17 921 Riverside Joshua Tree National Park. LIVE OAK TANK 1219 Comment
  RSA0116271  Bassia hyssopifolia Mitch Provance, Ken Halama 2003-6-15 17069 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR274531  Bassia hyssopifolia Mitch Provance, Ken Halama 2003-6-15 17069 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  POM350778  Bebbia juncea Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  RSA342538  Bebbia juncea R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54019 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA554026  Bebbia juncea A. C. Sanders, E. J. Lawlor 1992-4-4 12137 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UC604870  Bebbia juncea var. aspera Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi below Cottonwood Springs Comment
  RSA452617  Berberis Anstruther Davidson 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  UCR89779  Bergia texana Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SEINET7048188  Bernardia myricifolia Steven R. Hill 2001-5-3 33696 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
  UCR207569  Beta macrocarpa O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  RSA652924  Bloomeria crocea A. C. Sanders 1997-5-1 20623 Riverside along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  SDSU11577  Bloomeria crocea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  RSA482755  Boechera M. B. Dunkle 1937-3-25 4952 Riverside Dry Morongo. Comment
  LA204390  Boechera arcuata Carl Epling; William Robison 1935-6-30 sn Riverside N fork San Jacinto River Comment
  UCR17654  Boerhavia coulteri Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  CAS-BOT-BC541410  Boerhavia triquetra var. intermedia Sarah J. De Groot; Duncan S. Bell 2015-9-21 7588 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Carrizo Rd just N of Hwy 74 1053 Comment
  JOTR35017  Boerhavia triquetra var. intermedia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3115 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SD255218  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  OBI38271  Boerhavia wrightii David J. Keil 1985-8-30 18953 Riverside Chiriaco Summit exit from I-10 Comment
  RSA780239  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-12 96 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  VVC2318  Boerhavia wrightii Tim Thomas, Alice Karl 2011-10-18 5528 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  UCR113864  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2000-6-24 2069 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR142039  Bothriochloa barbinodis Mike Misenhelter 2004-10-1 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns, Bronson property (around triangular pond seen on topo), c. 3.5 miles SW of Temecula near Santa Margarita River 427 Comment
  OBI29473  Bouteloua aristidoides David J. Keil, Melissa Luckow 1979-8-31 13151 Riverside Jctn of Box Cyn rd and I-10, just S of exit ramp at wash crossing Comment
  LA11370  Bouteloua aristidoides var. aristidoides Carl Epling; William Stewart 1936-9-1 sn Riverside Desert Center Comment
  RSA780275  Bouteloua aristidoides var. aristidoides Stephanie Rockwood, Christi Gabriel 2011-10-12 101 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  RSA675740  Bouteloua barbata Scott D. White, W. LaHaye 2001-4-28 8430 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  RSA792555  Bouteloua barbata Duncan S. Bell 2012-9-13 4182 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  JEPS8276  Bouteloua barbata var. barbata Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3602 Riverside along State Hwy 111 just opposite northern end of the Salton Sea -57 Comment
  JOTR16777  Bouteloua curtipendula Hogan, J. 1974-6-13 19 Riverside Joshua Tree National Park. QUEEN VALLEY, 1.9 MILES SOUTH OF PINE SPRING 1356 Comment
  UCR159770  Bowlesia incana Scott D. White 1999-5-2 7281 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  UCR49777  Bowlesia incana B. G. Pitzer, A. C. Sanders 1987-4-21 0491 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UCR189571  Boykinia rotundifolia Theresa Johnson 2006-7-18 234 Riverside Santa Ana Mountains, on border of Riverside/ Orange County off the lower Holy Jim Trail 1232 Comment
  UCD107469  Brandegea bigelovii Lyman Benson 1949-3-28 13572 Riverside Wash at E end of Pines to Palms Highway, just above jct with Palm Springs Indio Rd. 304 Comment
  UCSB18364  Brandegea bigelovii Daniel, Dick 1964-5-17 Riverside 4 miles S of junction of State Highway 111 and State Highway 74 457 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  RSA0009698  Brandegea bigelovii Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  UCR103899  Brassica geniculata B. G. Pitzer 1997-4-12 3127 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  CAS-BOT-BC30262  Brassica nigra Steve Boyd 1986-5-7 1830 Riverside Temescal Canyon. Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15. Comment
  SD187378  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR213390  Brassica tournefortii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37460 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
  UCR59183  Brassica tournefortii A. C. Sanders, O. F. Clarke 1989-4-5 9034 Riverside Box Springs Mtns, On the E edge of Riverside, at end of the dirt road in Two Trees Canyon Comment
  UCR109484  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCR89680  Brickellia incana Bern Schwenn 1994-5-7 s.n. Riverside Mojave Desert, Joshua Tree Nat. Mon.; Eagle Mtns, Black Eagle Mine Rd., 2.5 mi. east of Monument boundary 650 Comment
  RSA759123  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-15 TC- 926 Riverside Peninsular Ranges; Santa Ana Mountains region Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  RSA561876  Bromus anomalus Steve Boyd, Timothy S. Ross 1992-6-10 7633 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
  SEINET251969 Image available Bromus arizonicus A. C. Sanders 1995-3-22 16221 Riverside San Gorgonio Pass, San Jacinto Mountains: on and near a rocky spur at the north foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabezon. 390 Comment
  SBBG95098  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside City of Riverside at 422 Campus View Drive Comment
  UCR61251  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside, residential garden, 422 Campus View Drive 366 Comment
  UC1130968  Bromus carinatus var. carinatus H. S. Yates 1937-6-27 6715 Riverside near Idlewild 1615 Comment
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Jan 19 2010
  VVC551  Bromus hordeaceus A. C. Sanders, J. Mac 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UC816370  Bromus madritensis subsp. rubens I. W. Clokey, B. C. Templeton 1930-4-9 4680 Riverside n of Palm Springs (Colorado Desert); Colorado Desert 180 Comment
  RSA682074  Bromus rubens Scott D. White 2001-3-27 8172 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  CAS-BOT-BC185643  Bromus tectorum Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  UCR2263  Bromus trinii F. M. Reed 1907-4-7 1274 Riverside Streambed at foot of Box Springs Mountain Comment
  UC128445  Caesalpinia virgata Marcus E. Jones, A. M. 1906-4-27 Riverside Indio Comment
  UC68502  Caesalpinia virgata H. M. Hall Apr. 1905 5779 Riverside 10 mi. w. Coachella 91 Comment
  UCR275545  Caesalpinia virgata D. E. Bramlet 2010-3-1 4460 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA342515  Calandrinia ciliata R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA768657  Calandrinia ciliata Justin M. Wood 2010-3-19 1431 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  UCR92780  Calandrinia ciliata Scott D. White 1994-3-29 1945 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCD123504  Callitriche heterophylla var. bolanderi Robert F. Thorne; P. Munz, E. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau; Rancho, California. 670 Comment
  RSA77846  Callitriche marginata F. W. Peirson 1922-5-12 3067 Riverside South of Lake Elsinore. Comment
  RSA748158  Calocedrus decurrens K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 16 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  UCSB246  Calocedrus decurrens White, Arthur 1960-5-14 Riverside At side of road between Banning and Idyllwild, 14.2 mi. s. of Hwy. 70 and 99 1676 Comment
  RSA297994  Calochortus palmeri var. munzii H. M. Beard, R. S. Beard 1967-7-1 s.n. Riverside Vacant lot, Idyllwild, Alderwood and Pine Crest Roads. 1646 Comment
  SBBG22198  Calochortus palmeri var. munzii H. and M. Dearing 1940-6-9 4362 Riverside Palms to Pines Hwy, near Herkey Crk Comment
Read comments
Nov 27 2012
  CAS-BOT-BC132460  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  UCR293  Calochortus plummerae Eugene Cardiff 1950-6-6 s.n. Riverside San Bernardino Valley region, Jurupa Hills 366 Comment
  RSA360017  Calochortus weedii Gale Sphon 1955-6-23 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  CLARK-A1528-3201  Calochortus weedii var. intermedius John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  RSA176354  Calycoseris parryi R. F. Thorne 1963-3-29 32393 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  SD133195  Calycoseris parryi Scott White 1991-5-13 91 89 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  SEINET8734703 Image available Calycoseris parryi Helen K. Sharsmith 1952-1 4060 Riverside Smoke Tree Wash, ca. 5 miles northeast of Cottonwood Springs, Joshua Tree National Monument 853 Comment
  RSA49375  Calycoseris wrightii Philip A. Munz 1949-4-12 13038 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  SEINET222296  Calyptridium monandrum B. Ertter, J Strachan 1979-6-26 2984 Riverside Hwy 243 near Idylwild San Jacinto Mts Comment
  UCR137704  Calyptridium monandrum D. L. Banks, V. W. Steinmann 1997-3-13 1518 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  CLARK-A1528-7874  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  CLARK-A1528-2607  Calystegia macrostegia John C. Roos 1950-4-22 4748 Riverside Pigeon Pass 457 Comment
  RSA263767  Calystegia macrostegia subsp. intermedia E. W. Lathrop 1968-5-17 6885 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1067 Comment
  SDSU12951  Calystegia macrostegia subsp. tenuifolia Jutta Buschbom 1991-5-1 30 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SDSU5682  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  UC1979534  Calystegia macrostegia subsp. tenuifolia Darin L. Banks 1995-4-11 172 Riverside 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. Comment
  UCR115933  Calystegia sepium subsp. binghamiae Mitch Provance, Steve D. Boyd 1999-9-14 1780 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UC1184250  Camissonia Peter H. Raven 1958-3-15 11840 Riverside 4.2 mi e turn to Painted Canyon; Box Canyon Comment
  UC1184269  Camissonia Peter H. Raven 1958-2-15 11568 Riverside Corn Springs Chuckawalla Mountains Comment
  RSA186658  Camissonia bistorta Peter H. Raven 1962-3-14 16907 Riverside East limits of Homeland. Comment
  RSA465944  Camissonia bistorta Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains Comment
  RSA522751  Camissonia bistorta Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3858 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
  SEINET7907971  Camissonia bistorta D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UCR167676  Camissonia bistorta T. B. Salvato, Melissa Clemons 2005-6-23 1293 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR251309  Camissonia bistorta T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7426 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR3352  Camissonia bistorta T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 2 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on SE road fork 793 Comment
  UCR50880  Camissonia boothii A. C. Sanders 1988-5-11 7801 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA795944  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 276 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR102712  Camissonia brevipes B. G. Pitzer 1998-1-24 3397 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
  RSA135608  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11483 Riverside 11.3 miles W of Shavers Summit. Comment
  UCR85683  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16030 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  JOTR32132  Camissonia campestris subsp. campestris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2288 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  POM255920  Camissonia cardiophylla C. L. Hitchcock 1940-4-1 5899 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  CLARK-A1703-1216  Camissonia claviformis Charlotte Stocks 1963-5-20 Riverside Box Canyon Comment
  UCR90171  Camissonia claviformis R. W. Scora 1966-4-1 3008 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  POM159460  Camissonia claviformis subsp. aurantiaca C. L. Hitchcock 1928-3-17 s.n. Riverside Thousand Palms. Comment
  UCR234808  Camissonia claviformis subsp. aurantiaca Jim Andre, Glenn L. Clifton 2011-2-22 17469 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  RSA776134  Camissonia claviformis subsp. peirsonii Duncan S. Bell, Amanda Turek 2010-4-10 808 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  POM9306  Camissonia ignota P. A. Munz, R. D. Harwood 1920-3-20 3373 Riverside 5 miles S of Corona 305 Comment
  UCR97672  Camissonia intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19907 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA752562  Camissonia micrantha Justin M. Wood 2009-3-3 328 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  UCR117346  Camissonia micrantha Mitch Provance 1998-3-31 307 Riverside Jurupa Mountains, Pyrite Canyon, 'Deep Pyrite Dune', c. 0.3 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line. 335 Comment
  UCR177396  Camissonia pallida John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  POM259680  Camissonia pallida subsp. hallii P. A. Munz 1940-3-22 15660 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA449242  Camissonia pallida subsp. pallida M. B. Dunkle 1933-3-4 3020 Riverside Devil's Cactus G. Colorado Desert. 30 Comment
Read comments
Mar 20 2011
  SEINET3005074  Camissonia refracta G. Rink 2011-5-1 10512 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR199837  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11283 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
  SD134430  Camissoniopsis confusa Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  UCR138638  Capsella bursa-pastoris D. L. Banks, J. Moreno 1997-2-5 1264 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  UCR99563  Cardamine B. G. Pitzer 1996-12-8 2935 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, UCR campus, lawn in front of Riverside Campus Federal Credit Union, on Canyon Crest Dr. 335 Comment
  UCR107908  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 1997-1-8 1278 Riverside Sonoran (Colorado) Desert, Palm Springs. Lawn at El Cielo and Tahquitz-McCallum 152 Comment
  UCR109623  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1972-5-11 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  UCR25014  Carex alma George K. Helmkamp 1981-6-25 s.n. Riverside San Jacinto Mountains, Idyllwild. Strawberry Creek c. 200 yards south of the bridge near the U.S.C. campus. Comment
  SEINET8017883 Image available Carex bolanderi P. Zika, Otting, N 2010-1 25300 Riverside Bridge over N Fork San Jacinto River, Dark Canyon, at campground. San Jacinto Mountains (SnJt). Comment
  CAS-BOT-BC20706  Carex fracta H. E. Hasse 1903-6-24 s.n. Riverside San Jacinto Moutains. Keen - Allen's Camp. 1371 Comment
  RSA797495  Carex multicaulis Keith E. Hoffmaster 1937-7-5 829 Riverside Fern Valley, San Jacinto Mtns Comment
  RSA90892  Carex sartwelliana F. W. Peirson 1924-7-28 5015 Riverside Pine Flats Camp 1799 Comment
  CAS-BOT-BC117448  Carex senta Mary Evelyn [nee Fisk] Spencer 1919-7-6 1263 Riverside Jaquito Meadow. 2377 Comment
  CHSC106609  Carex senta P. F. Zika; Nick Otting 2010-8-3 25243 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  CHSC106610  Carex senta P. F. Zika; Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  RSA764196  Carex senta Scott D. White, Justin M. Wood 2008-6-18 12221 Riverside K Flat Meadow. 1433 Comment
  UCR123632  Carex spissa Steven R. Hill, A. C. Sanders 2001-5-4 33729 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  SD134357  Carex subfusca R. Mitchel Beauchamp 1971-5-15 2421 Riverside San Jacinto Mtns. Along stream below Lake Fulmore 1600 Comment
  JOTR35368  Castela emoryi Harding, Mitzi, M. Wheeler 2011-1-26 152 Riverside Joshua Tree National Park. West Coxcomb Mountains; rocky foothills/slopes above bouldery wash (STOP4) 424 Comment
  SEINET3078503 Image available Castilleja affinis Conrad Bahre 1970-4-30 s.n. Riverside North Fork of San Jacinto River, San Jacinto Mts. 1524 Comment
  JEPS44393  Castilleja applegatei subsp. martinii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4272 Riverside about 1 mi below Santa Rosa Mountain rd jct with spur to Santa Rosa Springs Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  UCR215127  Castilleja densiflora Sarah C. Pasquini 2008-4-15 08 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  UCR132613  Castilleja exserta Kent Beaman 1983-4-24 09 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  POM8715  Castilleja foliolosa P. A. Munz 1920-4-11 3813 Riverside Santa Ana River Canyon. 305 Comment
  UCR237694  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4779 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  SEINET14062623  Castilleja miniata I. W. Clokey, E. G. Anderson 1935-8-21 6865 Riverside San Jacinto Mountains, Fullers [Mill] Creek. 1500 Comment
  SBBG66948  Castilleja minor subsp. spiralis R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UCR49244  Caucalis microcarpa Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA531097  Caulanthus cooperi M. B. Dunkle 1937-3-25 4902 Riverside Colorado Desert. Shaver s Well Comment
  SDSU18384  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR137475  Caulanthus heterophyllus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  CHSC35472  Caulanthus lasiophyllus James Henrickson 1973-3-18 8591 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  SD215438  Caulanthus lasiophyllus Steve Boyd, Tim Ross, et al. 1990-4-3 4056 Riverside Vail Lake area, summit of Big Oak Mountain at east end. 792 Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA606774  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27363 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD140013  Ceanothus crassifolius Scott White 1993-4-22 1329 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  UC1594219  Ceanothus crassifolius Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3019 Riverside 1 mi w Vail Lake 609 Comment
  UCR89483  Ceanothus crassifolius Steve Boyd, K. A. Boyd 1993-3-28 7921 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  SBBG105030  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  RSA0067949  Ceanothus cuneatus John F. Emmel 1994-4-17 1294 Riverside San Jacinto Mtns.; canyon 0.7-0.8 air mile ESE of Keen Camp Summit, north of Lake Hemet. 1387 Comment
  SD137649  Ceanothus leucodermis Darin L. Banks, Steve Boyd 1995-3-16 98 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia mtn., E of the Dripping Springs alcove, Arroyo Seco drainage. 548 Comment
  UC1861762  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR140683  Ceanothus leucodermis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 79 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  RSA0019585  Ceanothus leucodermis Toppenberg 1961-5-12 s.n. Riverside Hwy to Idyllwild, Beaumont side. Comment
  RSA0019596  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1922-5-19 5401 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  RSA517099  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3097 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA570001  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7916 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
  RSA570235  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7909 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
  POM312128  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside Above Banning. Roadside. 976 Comment
  UCR101450  Ceanothus perplexans A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22236 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  RSA0050341  Ceanothus tomentosus F. W. Peirson 1921-3-19 2364 Riverside 4 miles west of Beaumont on the Redlands Road. 762 Comment
  UCR102817  Ceanothus tomentosus subsp. olivaceus A. C. Sanders 1997-3-19 20060 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  RSA528071  Ceanothus tomentosus var. olivaceus Scott D. White 1991-4-10 91 -44 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  SD152949  Centaurea solstitialis Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7690 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  POM13612  Centaurium venustum E. C. Jaeger 1921-7-15 1134 s.n. Riverside Massacre Canyon, near San Jacinto. Comment
  RSA526081  Centaurium venustum Steve Boyd, T. S. Ross 1990-5-11 4654 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
  RSA773104  Centaurium venustum Duncan S. Bell, Joy England 2010-6-14 1296 B Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  RSA707583  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  RSA392718  Centrostegia thurberi Christopher Davidson 1973-4-19 1991 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA65895  Centrostegia thurberi F. W. Peirson 1922-5-21 5343 Riverside Hemet Valley, San Jacinto Mountains 1372 Comment
  CLARK-A1045-152  Cerastium viscosum George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  POM8988  Cercidium floridum Mary F. Spencer 1920-4-9 755 Riverside Colorado desert near Palm Springs Comment
  RSA776695  Cercidium floridum Duncan S. Bell, Amanda Turek 2010-4-10 788 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC61576  Cercidium floridum subsp. floridum Miss Mary McKibben 1904-1 Riverside Mecca Colorado Desert Comment
  RSA596716  Cercocarpus betuloides Louis C. Wheeler 1960-5-11 7693 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  RSA597527  Cercocarpus betuloides Louis C. Wheeler 1960-5-9 7690 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  RSA192311  Cercocarpus minutiflorus H. A. Zuill 1966-7-17 287 Riverside Tenaja Grade, about 1 mile SW Murrieta Comment
  SDSU13900  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  POM351670  Chaenactis carphoclinia var. carphoclinia L. H. Jones 1910-3-15 s.n. Riverside Rocky mountainside, Riverside Mtn, Colorado Rivers,. Comment
  POM66298  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA178085  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1963-3-29 32384 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA777421  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 778 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA777814  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 853 A Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  CAS-BOT-BC276931  Chaenactis fremontii Alice Eastwood 1913-4-30 3002 Riverside Palm Springs Comment
  POM351699  Chaenactis fremontii Ora M. Clark 1929-3-16 1710 Riverside N. of Whitewater, Colorado. Comment
  RSA793028  Chaenactis fremontii Justin M. Wood 2011-4-4 3394 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SEINET3133949  Chaenactis fremontii S. B. Parish 1907-4-19 6076 Riverside W borders of the Colorado desert 100 Comment
  UCR243165  Chaenactis fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4320 Riverside Transverse Ranges; San Bernardino Mountains, 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
  UCR263485  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41452 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA0120305  Chaenactis glabriuscula Duncan S. Bell 2016-4-16 9324 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR133691  Chaenactis glabriuscula Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR260578  Chaenactis glabriuscula A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41537 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  UCR59522  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3608 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA583749  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  UCR121082  Chaenactis glabriuscula var. glabriuscula A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24968 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR98706  Chaenactis glabriuscula var. glabriuscula 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
  SEINET5763241 Image available Chaenactis glabriuscula var. lanosa Norman C. Cooper 1944-4-21 1109 Riverside Banning. Comment
  UCR44221  Chaenactis parishii A. C. Sanders 1986-6-1 6558 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA619314  Chamaesyce albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  RSA659661  Chamaesyce albomarginata J. C. Roos 1951-9-25 5269 Riverside Fairmount 259 Comment
  RSA662178  Chamaesyce albomarginata Carol Zuck 1981-2-16 37 Riverside On Santa Rosa Road, 3.1 miles east of Lake Mathew Road. [Between Corona & Perris] Comment
  SEINET4207484  Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  UC406706  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside e Desert Center Comment
  UCR245992  Chamaesyce micromera Duncan S. Bell 2012-9-13 4175 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  RSA734752  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  RSA432485  Chamaesyce polycarpa Ora M. Clark 1929-3-17 1745 Riverside Palm Springs. Comment
  UC63397  Chamaesyce serpyllifolia H. M. Hall 1904-5-24 4961 Riverside vicinity of Riverside; Santa Ana River 243 Comment
  POM253440  Chamaesyce setiloba Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. 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
  UCR112399  Cheilanthes clevelandii A. C. Sanders, Mitch Provance, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area, summit of Black Mtn. 915 Comment
  SEINET7048180  Cheilanthes covillei Steven R. Hill 2001-5-3 33688 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
  UC494456  Cheilanthes parryi Philip A. Munz 1932-5-14 11987 Riverside Deep Canyon; Coachella Valley 91 Comment
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Feb 3 2013
  UCR17579  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 350 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon watershed 366 Comment
  UCR41423  Cheilanthes parryi A. C. Sanders 1985-12-22 5962 C Riverside Coachella Valley, foot of the Santa Rosa Mountains, W end of Ave. 74, 2.6 mi west of Polk Street. Southern edge of Martinez Canyon. 122 Comment
  CAS-BOT-BC70376  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  UCR91552  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15904 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  UCR232769  Chenopodium William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 013 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  CAS-BOT-BC426314  Chenopodium album Malcom A. Nobs; S. Galen Smith 1948-9-3 485 Riverside Imperial Valley: Citrus grove 2 miles N of Indio Comment
  UC1787312  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UCR103222  Chenopodium berlandieri Scott D. White 1994-10-17 2463 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR33643  Chenopodium murale Faulkner 1978-3-21 344 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR197292  Chenopodium pumilio Mitch Provance 1998-7-23 912 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  RSA787623  Chilopsis linearis J. Russell Bruff 1931-7-25 458 Riverside Whitewater Wash 3 mi west of Palm Springs. Comment
  SD237355  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast: San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden. 449 Comment
  UCR163665  Chilopsis linearis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; east of Salton Sea, along Coachella Canal, NW of Frink 24 Comment
  SEINET9118971  Chilopsis linearis E. Adams 1978-1 Riverside Mecca, Box Canyon. Desert wash. Comment
  POM70990  Chilopsis linearis subsp. arcuata George B. Grant 1906-5-1 s.n. Riverside On Colorado Desert at Palm Springs. Comment
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Sep 4 2011
  SEINET3151570  Chilopsis linearis subsp. arcuata Unknown 1906-5-1 Error Riverside Collected on Colorado desert at Palm Springs Comment
  UCD121657  Chilopsis linearis subsp. arcuata A. C. Sanders; T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60. 15 Comment
  SEINET10898022  Chilopsis linearis subsp. arcuata Frank Almeda 1976-6-5 Almeda 2826 Riverside Rocky wash with shrubby vegetation ca 4-5 mi N of Interstate Hwy. #10 off of Whitewater Canyon Road. Comment
  SD232674  Chimaphila umbellata subsp. occidentalis Scott D. White 1996-8-1 4408 Riverside San Jacinto Mts.; Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. S facing mountainside 1705 Comment
  JEPS73976  Chloris virgata S. B. Parish 1913-2-28 8461 Riverside Mecca; Salton Basin, Mecca -57 Comment
  UCR74365  Chorizanthe brevicornu Theo Glenn 1991-4-30 91- 67 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  JEPS20768  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13259 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property, Little Maria Mountains); Little Maria Mts., U.S. gypsum mine property Comment
  RSA752219  Chorizanthe brevicornu var. brevicornu Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12583 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  CAS-BOT-BC191853  Chorizanthe corrugata Carl B. Wolf 1932-4-29 3096 Riverside Eastern Colorado Desert. W edge of Maria Mts. 17 mi from Blythe on Rice Road 152 Comment
  RSA392661  Chorizanthe corrugata Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
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Dec 3 2007
  SD127572  Chorizanthe corrugata David Charlton 1988-2-19 1204 Riverside Orocopia Mtns. Mudstone Wash N of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca 305 Comment
  SD239847  Chorizanthe leptotheca T. B. Salvato, Richard Camacho 2011-6-12 5495 Riverside Peninsular Range: Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles. 359 Comment
  RSA688841  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-6-17 9544 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR260568  Chorizanthe parryi var. parryi T. B. Salvato 2014-5-29 8034 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA360988  Chorizanthe polygonoides var. longispina Steve Boyd 1998-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs Cotuny Park. 609 Comment
  UCR217537  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-17 423 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  UCR260519  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7991 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  RSA263673  Chorizanthe staticoides E. W. Lathrop 1968-6-2 6955 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA585878  Chorizanthe staticoides D. L. Banks, Peter Morrell 1995-5-4 312 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  LA206564  Chorizanthe xanti L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  RSA0098331  Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5 km WNW of White Water, 20 km NW of Palm Springs. 456 Comment
  SD178200  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3453 Riverside Base of San Jacinto Mtns on spoil pile. 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct. 534 Comment
  SD248476  Chorizanthe xanti var. xanti Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mountains: Alvin Meadows (Blackburn Canyon 7.5'Q) 1467 Comment
  UCR50428  Chrysanthemum carinatum Claudia Petrie 1988-4-1 s.n. Riverside Experimental fields at UCR Comment
  UCSB1023  Chrysolepis sempervirens Haller, John 1950-5-20 Riverside Summit of San Jacinto Peak 3291 Comment
  CLARK-A1528-5224  Chrysopsis villosa var. fastigiata John C. Roos 1949-9-17 4657 Riverside Whitewater Wash Comment
  UCR23785  Chrysothamnus nauseosus John C. Roos 1943-10-16 2738 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  RSA503356  Chrysothamnus paniculatus S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  JEPS23478  Chylismia arenaria Marjorie D. Clary 1932-12-18 1715 Riverside Clemens Well Colorado Desert, Orocopia Mountains (at foot of mountains) 243 Comment
  CHSC8280  Chylismia brevipes Edward L. Smith 1958-3-21 472 Riverside Found 2 miles e of Indio on hwy. US 60, San Bernardino Mtns. 0 Comment
  UCR269867  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42365 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC293737  Chylismia cardiophylla subsp. cardiophylla Mona Bourell 1987-4-14 3278 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  CAS-BOT-BC279839  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  CAS-BOT-BC287959  Cirsium occidentale var. californicum John Thomas Howell 1931-5-31 6601 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA0070670  Cirsium occidentale var. californicum D. L. Banks 1997-5-5 1978 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA502519  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3574 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA740254  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  CAS-BOT-BC438847  Cistanthe monandra H. S. Yates 1937-3-23 6405 Riverside 2 miles north of Palm Springs 213 Comment
  RSA501025  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3146 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  SEINET10814947  Citrus Wright 1911-4-28 Wright 4827 Riverside Riverside Cal. Comment
  RSA221049  Clarkia bottae E. W. Lathrop 1966-5-17 6543 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  POM13115  Clarkia epilobioides P. A. Munz, I. M. Johnston 1922-5-19 5340 Riverside 5 mi. NE of Murietta. 396 Comment
  UCR260832  Clarkia epilobioides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41529 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  RSA586926  Clarkia purpurea subsp. quadrivulnera D. L. Banks, Steve D. Boyd 1995-5-3 262 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
  RSA692247  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-5-27 9404 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR7738  Clarkia similis Tony Beck 1968-5-11 680511- 01 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi. north of Johnson Ranch near Redonda Mesa, near summit of road. 854 Comment
  UCR178013  Claytonia parviflora Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 025 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR213622  Claytonia parviflora A. C. Sanders, Matthew Malle 2010-4-23 37992 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  CAS-BOT-BC439506  Claytonia parviflora subsp. parviflora Edmund C. Jaeger 1921-7-10 s.n. Riverside Stone Creek, San Jacinto Mts. 1584 Comment
  RSA34561  Claytonia parviflora subsp. parviflora N. C. Cooper 1944-6-17 1438 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA674937  Claytonia parviflora subsp. parviflora Scott D. White, Bill La Haye 2000-5-27 7966 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA0045480  Claytonia perfoliata Diane M. Ramirez 1983-5-1 22 Riverside Mellor Ranch Road, 3 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  SD129277  Clematis ligusticifolia J. Hirshberg 1989-7-25 Riverside Butterfield country, SW of Vail Lake Comment
  UCD95596  Clematis ligusticifolia F. C. Vasek 1978-7-28 s.n. Riverside San Bernardino Mtns.: Cushenbury Springs. 1250 Comment
  UCR195112  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  JOTR32029  Clematis pauciflora Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Mountain: Wonderland of Rocks; Wall Street Mill trailhead; open sandy flats surrounding boulder outcrops 1304 Comment
  UCR89875  Clematis pauciflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3342 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA650743  Cleome isomeris Glenn Stewart 1968-2-11 s.n. Riverside N of Thousand Palms. Comment
  RSA0117419  Collinsia concolor B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  UCR22639  Colubrina californica C. S. Jones 1979-3-27 41 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  UCR37032  Commelina benghalensis A. C. Sanders 1984-7-18 5108 Riverside Residence of O.F. Clarke, 1012 Spruce Street 305 Comment
  HSC85286  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  UCR120849  Convolvulus simulans D. E. Bramlet 1993-4-12 2319 Riverside Lake Mathews; 46 m north of Cajalco Rd. at a point 762 m east of La Sierra Ave., NW of Siegal Ranch Road 427 Comment
  UCR227603  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-15 1310 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and Forest Service Road 5S15 1063 Comment
  POM161396  Cordylanthus rigidus subsp. setiger H. M. Hall 1901-08 2621 Riverside In open pine forests in the vicinitu of Strawberry Valley. 1585 Comment
  RSA0010996  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1635 Riverside San Bernardino National Forest: Garner Valley, just north of the community of Thomas Mountain, approximately 3.5 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  RSA145923  Coreopsis californica William McKinley Klein, J. E. Klein 1958-2-9 19 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  RSA271151  Coreopsis californica C. W. Tilforth, Walter Wisura, John Dourley 1978-3-10 1502 Riverside 5 miles NW of Alberhill along Hwy 71. 366 Comment
  CAS-BOT-BC101305  Corethrogyne filaginifolia John Thomas Howell 1927-8-2 2917 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  LA205800  Corethrogyne filaginifolia Elizabeth McClintock; 1936-8-12 sn Riverside Massacre Canyon near San Jacinto Comment
  POM356107  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  UCSB22622  Corethrogyne filaginifolia Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  SD143944  Cornus glabrata A. C. Sanders, T. Tennant 1997-11-14 21596 Riverside San Bernardino Mountains; Morongo India Reservation, west end of Burro Flats. 1159 Comment
  UCR281094  Crassula aquatica Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 51 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UC1287004  Crassula connata var. erectoides C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. e. Glen Ivy Hot Springs Comment
  CSUSB616  Crassula erecta Paul M. Estes 1962-3-17 Riverside Box Springs Mountains West slope of Box Springs Mountains, 1.5 miles west of Big "C" Road in dry stream bed. 761 Comment
  POM13592  Crassula solieri P. A. Munz 1922-4-29 5076 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
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Apr 23 2011
  RSA357129  Cressa truxillensis R. F. Thorne, P. A. Munz, Earl Lathrop, K. Thorne 1968-5-8 37610 Riverside Lake Elsinore: Alkaline flats behind levee at SE end of Lake Elsinore, ca. 1 mi. S of Elsinore. Comment
  SEINET5357774  Cressa truxillensis H. M. Hall 1897-5-15 535 Riverside Perris Comment
  RSA716254  Crossosoma bigelovii W. M. Zabriskie 1973-2-22 128 Riverside Pipistrelle Canyon 75 yards before it turns east, Deep Canyon drainage, N slope of Santa Rosa Mountains 549 Comment
  CLARK-A1528-432  Croton californicus John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  SBBG67680  Croton californicus M. N. Ackley 1928-3-11 353 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UCSB3576  Croton californicus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 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
  RSA544442  Crypsis vaginiflora Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6349 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  POM46809  Cryptantha angustifolia Mary F. Spencer 1920-3-24 1517 Riverside Near Indio. Colorado Desert. 91 Comment
  SD237362  Cryptantha angustifolia Dave Silverman 2010-3-30 7879 Riverside UTM in Supplement. East flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Pk, and 4.4 km north of I-10. 174 Comment
  UC280441  Cryptantha angustifolia E. E. Schellenger 1920-5-1 Riverside e of Mecca (Hayfields); Colorado Desert Comment
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Jun 18 2011
  UCR33811  Cryptantha angustifolia Faulkner 1978-3-20 332 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  POM368279  Cryptantha barbigera Ora M. Clark 1929-2-23 s.n. Riverside North Whitewater., 35 deg 55 30 N 116 deg 38 15 W Comment
  POM368290  Cryptantha barbigera I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  RSA4904  Cryptantha barbigera C. B. Wolf 1932-4-27 3020 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD128709  Cryptantha barbigera Darley F. Howe 1980-4-16 Riverside 8.5 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 550 Comment
  UCR165812  Cryptantha barbigera 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
  RSA0042543  Cryptantha barbigera Philip A. Munz 1949-4-13 13045 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert. 1097 Comment
  UCR115342  Cryptantha barbigera var. fergusoniae A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16267 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR127337  Cryptantha corollata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25853 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR142221  Cryptantha corollata June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR180142  Cryptantha corollata Mitch Provance 2003-4-26 9901 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
  RSA0030696  Cryptantha costata J. Andre 2013-3-27 24795 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UC169356  Cryptantha costata S. B. Parish 1913-2-28 8465 Riverside ne of Mecca; Salton Basin -60 Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 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
  JEPS22601  Cryptantha dumetorum Francia Chisaki and Peter M. Ray 1952-4-6 2199 Riverside ca. 0.25 mi. w. Cottonwood Springs (Joshua Tree Nat'l Monument); Joshua Tree Nat'l Monument Comment
  RSA776684  Cryptantha holoptera Duncan S. Bell, Amanda Turek 2010-4-10 799 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SD240920  Cryptantha inaequata Dave Silverman 2010-3-24 7825 Riverside South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Drive, and 3.7 km N of Interstate 10. 130 Comment
  JEPS67664  Cryptantha intermedia W. L. Jepson 1903-8-5 2267 Riverside near Strawberry Valley; Mt. San Jacinto 1767 Comment
  RSA524237  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4032 A Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA715938  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA741608  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-6-16 12126 Riverside Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA779066  Cryptantha intermedia C. P. Cowan 1978-4-25 1277 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  UC64407  Cryptantha intermedia H. M. Hall 1899-5-1 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  UC78535  Cryptantha intermedia J. C. Nevin Riverside San Jacinto Mts. Comment
  RSA782530  Cryptantha intermedia var. intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 Riverside 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. 465 Comment
  RSA779587  Cryptantha maritima Duncan S. Bell 2009-3-7 19 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
  SBBG6253  Cryptantha maritima H. and M. Dearing 1942-3-5 4807 Riverside bajada washes near Cathedral City Comment
  UCR241801  Cryptantha maritima A. C. Sanders, Ann Howald 2013-2-28 40564 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  SDSU18679 SDSU18679
Image available
Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 45 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  RSA314632  Cryptantha micrantha R. F. Thorne, Drs Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55426 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA699345  Cryptantha micrantha J. R. Bruff 1928-4-2 s.n. Riverside Whitewater Comment
  UCSB10421  Cryptantha micrantha Muller, Cornelius 1954-4-12 Riverside In Morongo Pass, south of Morongo Valley Comment
  UCR18398  Cryptantha micrantha var. lepida A. C. Sanders 1978-5-20 00204 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR193489  Cryptantha micrantha var. lepida A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35608 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR264741  Cryptantha micrantha var. lepida Steve Boyd, G. D. Wallace 2005-7-30 11639 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA79960  Cryptantha micrantha var. micrantha F. W. Peirson 1920-2-16 s.n. Riverside Colorado Desert. Garden of Eden east of Palm Springs. Comment
  UCR158275  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29498 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
  RSA563882  Cryptantha microstachys A. C. Sanders 1993-4-30 13884 Riverside San Bernardino Mtns: Between Cherry Valley and the county line, along Butterfly Road, which joins Wildwood Canyon Road 0.4 miles W of Oak Glen Road. 1100 Comment
  UC217963  Cryptantha microstachys P. A. Munz and I. M. Johnston 1922-5-19 5346 Riverside 5 mi ne Murietta 457 Comment
  UCR102888  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 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
  RSA613426  Cryptantha muricata D. L. Banks 1997-4-5 1666 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UC917884  Cryptantha muricata Frank W. Gould 1943-4-18 2133 Riverside 4 mi e Elsinore Comment
  UCR68607  Cryptantha muricata Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4457 Riverside Peninsular Range, Vail Lake Area. east of USFS Dripping Springs Campground along Arroyo Seco Creek, south of Hwy 79. 518 Comment
  UCR87612  Cryptantha muricata A. C. Sanders 1994-5-30 14595 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA0014945  Cryptantha muricata var. jonesii LeRoy Gross, Evan Meyer 2013-5-21 6114 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  POM46805  Cryptantha nevadensis Mary F. Spencer 1920-4-4 1525 Riverside Mouth of Tahquitz Canyon. 213 Comment
  RSA0106708  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UCR52069  Cryptantha oxygona D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  POM13231  Cryptantha racemosa E. C. Jaeger 1921-4-3 1114 Riverside Pinyon Well, Mojave Desert, Riverside county Comment
  RSA97125  Cryptantha racemosa H. K. Buechner 1955-5-29 C- 79 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  UC61111  Cryptantha torreyana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  POM98999  Cryptantha utahensis E. C. Jaeger 1926-3-20 s.n. Riverside Cottonwood Springs, S base of Eagle Mts Comment
  RSA614098  Cucurbita palmata A. C. Sanders, T. Tennant 1997-11-14 21600 Riverside San Bernardino Mtns: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  CAS-BOT-BC224552  Cuscuta californica H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  SD126648  Cuscuta californica var. papillosa J. C. Roos 1946-12-7 3184 Riverside Pushawalla Wash Comment
  UC907578  Cuscuta californica var. papillosa Mary L. Bowerman 1950-3-20 4319 Riverside 1.6 mi sw Palms-to-Pines highway junction with Palm Springs highway (where outcrop by road, nw of Palms-to-Pines highway) 152 Comment
  POM188621  Cuscuta ceanothi L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UCR127527  Cuscuta denticulata A. C. Sanders, G. Nuhn 1995-4-20 16587 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
  RSA617825  Cuscuta salina R. E. Riefner 1998-7-9 98 -283 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UC23252  Cuscuta subinclusa H. M. Hall 1901-8-6 Riverside s side San Jacinto Mountains 1356 Comment
  UCR207550  Cycloloma atriplicifolium O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  SBBG54103  Cyclospermum leptophyllum J. C. Roos, L. Roos 1953-5-9 5917 Riverside Fairmount Park, Riverside 259 Comment
  RSA768214  Cydonia oblonga Justin M. Wood 2010-4-13 1462 -B Riverside City of Corona: Small tributatry to Temescal Wash, 0.5 miles NW of Auburndale St near Flood Control Dike. 165 Comment
  CLARK-A1528-1430  Cymopterus panamintensis var. acutifolius John C. Roos 1947-2-15 3243 Riverside Eagle Mountains Comment
  GMDRC5672  Cynanchum utahense J. Andre 2012-4-15 20848 Riverside west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA118958  Cynodon dactylon L. S. Rose 1957-1-3 57003 Riverside La Quinta. 15 Comment
  RSA595330  Cynodon dactylon D. L. Banks, Victor Steinmann 1996-4-20 878 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  CDA38930  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at west extension of Rubidoux Ave. 0 Comment
  POM1340  Cyperus eragrostis D. L. Crawford, I. M. Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona Comment
  RSA522716  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3807 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR109736  Cyperus eragrostis T. W. Fisher 1963-9-20 s.n. Riverside Riverside, Santa Ana River 213 Comment
  RSA737420  Cyperus esculentus Justin M. Wood 2008-9-19 131 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA605754  Cyperus involucratus A. C. Sanders, G. K. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Canyon in vicinity of the debris basin above the W end of Sunny Dunes Road. 183 Comment
  UCD141207  Cyperus niger Scott D. White; Angelina Carey 2004-9-16 10759 Riverside San Jacinto Mountain: Indian Creek watershed, above confluence with San Jacinto Rover. 579 Comment
  CAS-BOT-BC113965  Cyperus odoratus Frederick Morris Reed 1903-12-13 412 Riverside Bog above Bollingers Dam. Arroyo Chico. Comment
  UCR14419  Cyperus odoratus Leonel Sternburg 1974-8-27 s.n. Riverside Santa Ana River Bottom Regional Park. Comment
  UCR20923  Cyperus squarrosus A. C. Sanders 1978-7-3 0839 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA607912  Cystopteris fragilis L. C. Wheeler 1961-6-20 7887 Riverside West fork of Tahquitz Creek. 2378 Comment
  RSA708494  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land northeast of the I-10 Freeway interchange at Jefferson. 12 Comment
  UC865993  Dalea mollis P. A. Munz and D. Keck 1922-4-8 4738 Riverside Mecca Colorado Desert, Mecca -30 Comment
  POM66988  Dalea mollissima Marcus E. Jones 1924-2-7 s.n Riverside Salton Sink near Oasis. Comment
  UC447181  Dalea mollissima J. Ewan 1931-4-4 4146 Riverside 5 mi. e. Desert Center; Colorado Desert Comment
  CLARK-A1528-2772  Dalea schottii John C. Roos 1966-5-2 Riverside Indio Hills Comment
  RSA717450  Datura discolor Scott D. White, Pam De Vries 2006-3-14 11262 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR186730  Datura discolor Scott D. White, Pam DeVries 2006-3-14 11262 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
  UCR244445  Datura discolor Jim Andre 2012-4-16 20899 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  POM319386  Datura wrightii Patricia Wilder 1971-9-29 5287 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  UCD126636  Datura wrightii Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55419 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. In sandy wash east of bridge and on base of W-facing slope of ridge. 411 Comment
  UCR219985  Datura wrightii A. C. Sanders, D. L. Sanders 2010-11-28 38699 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR94958  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  UCSB17922  Datura wrightii Gerhart, Janet 1963-4-6 Riverside Coachella canal, siphon no. 22, 5 miles S of intersection of Salt Creek Wash Comment
  UCR194237  Daucus pusillus Mitch Provance, Michael L. Fugate 2005-4-14 10051 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  UCR250566  Daucus pusillus A. C. Sanders 2014-4-25 41067 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  SDSU4570  Deinandra fasciculata H. Wedberg 1962-5-23 932 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  CAS-BOT-BC131032  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  CLARK-A1528-782  Delphinium parishii Grace Sprague 1968-5-3 Riverside San Jacinto Mountains Comment
  RSA0020483  Delphinium parishii subsp. parishii N. R. Zabriskie 1973-4-5 619 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  POM305417  Delphinium parryi Henry J. Ramsey, Henry J. Ramsey 1938-5-4 636 Riverside Elsinore Comment
  RSA395350  Dendromecon rigida subsp. rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  RSA544431  Deschampsia danthonioides Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6337 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  SD232141  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, Meadows at Baldy Mountain. Comment
  UCR24985  Deschampsia elongata A. C. Sanders 1980-8-23 1762 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  SD234342  Descurainia incana A. C. Sanders, Tim Thomas 2008-8-1 35967 Riverside Peninsular Range; San Jacinto Mtns.: lowe Coldwater Creeknear Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station (Idyllwild 7.5'Q) 1402 Comment
  RSA0120236  Descurainia pinnata subsp. brachycarpa Duncan S. Bell, Thomas Stoughton 2016-4-14 9282 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UC212652  Descurainia pinnata subsp. glabra Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 274 Comment
  POM306214  Dicentra chrysantha Henry J. Ramsey, Henry J. Ramsey 1938-5-7 s.n. Riverside Elsinore Comment
  RSA709071  Dicentra chrysantha T. B. Salvato, John Green 2004-5-27 704 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR142195  Dichelostemma capitatum June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  RSA524406  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4097 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
  POM356428  Dicoria canescens Allen 1921-10-1 s.n. Riverside Palm Springs. Comment
  RSA702548  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  RSA0019410  Diplacus fremontii P. A. Munz, I. M. Johnston 1924-7-29 8845 Riverside 6 mi SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  RSA0019422  Diplacus fremontii N. C. Cooper 1944-5-21 1224 Riverside San Jacinto Mtns. West Side. 915 Comment
  RSA713266  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside UCR Botanical Garden 351 Comment
  JOTR30264  Ditaxis lanceolata Leary, Pat 1987-5-21 3830 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  SDSU3680  Ditaxis lanceolata Pamela A. Beare 1992-3-13 13 III92F Riverside East of Mecca, just north of of Box Canyon Road, 4.9 miles ca. east of Painted Canyon Road. 146 Comment
  RSA778414  Ditaxis neomexicana Stephanie Rockwood, Christi Gabriel 2011-10-4 053 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 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
  SEINET3148478  Dithyrea californica G. B. Grant 1906-1 266 a-6769 Riverside Colorado desert at Palm Springs Comment
  RSA461476  Dodecatheon alpinum subsp. majus M. B. Dunkle 1933-7-22 3754 Riverside Tahquitz Valley. 2317 Comment
  POM305364  Dodecatheon clevelandii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 654 Riverside Between Corona and Elsinore. Comment
  UCR23259  Dodecatheon clevelandii John C. Roos 1958-4-3 s.n. Riverside Plateau in Reche Canyon Comment
  RSA614301  Draba cuneifolia D. L. Banks, Victor Steinmann 1997-3-13 1507 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
  RSA0006633  Draba saxosa Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  SEINET9193809 Image available Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17945 Riverside 300m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill 1360 Comment
  POM13057  Dudleya cymosa subsp. pumila E. C. Jaeger 1921-1 s.n. Riverside San Jacinto Mountains. 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
  CAS-BOT-BC109603  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  HSC47382  Dudleya saxosa subsp. aloides Richard Spjut, C. E. Edson 1978-5-5 5017 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  UC1015384  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater 457 Comment
  UCR281810  Dysphania ambrosioides Mitch Provance 2012-11-9 1112- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR207263  Echinochloa colona O. F. Clarke 2005-9-13 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SD217180  Echinochloa crus-galli Darin L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW foothills of Dorland Mountain; along Los Caballos Road, approx. 0.5 meters south of Highway 79, 100 meters north of the Golf Course access road; along the east side of the road under the drip irrigation line to a vineyard (I(c) mile north of T8S R2W S24) 398 Comment
  JEPS32219  Echinodorus berteroi S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
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Aug 8 2010
  JEPS20696  Eclipta prostrata S. B. Parish 1912-10-2 8362 Riverside Mecca -57 Comment
  RSA249863  Egeria densa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38148 Riverside San Bernardino National Forest. Lake Fulmor 1677 Comment
  RSA0108752  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-5-19 37968 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA559350  Eleocharis bella Steve Boyd, Timothy S. Ross 1992-5-15 7392 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
  JEPS19436  Eleocharis geniculata W. L. Jepson 1914-5-22 6043 Riverside Thousand Palms Canyon Colorado Desert Comment
  SEINET3127287  Eleocharis macrostachya W. B. Crockatt sn Riverside Prado 91 Comment
  UCD49843  Eleocharis montevidensis A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24170 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 502 Comment
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Mar 24 2011
  UCR169395  Eleocharis parishii T. B. Salvato, John F. Green 2004-5-27 605 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR200686  Eleocharis parishii Steve Boyd, Aydee Virgen 2004-4-13 10880 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  SD91991  Elymus condensatus Richard C. Schwenkmeyer 1975-6-22 Riverside Dripping Springs Campground, on Highway 71. 500 Comment
  UCR20779  Elymus condensatus A. C. Sanders, Steve Boyd 1980-5-2 1391 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR202435  Elymus elymoides Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CAS-BOT-BC234141  Elymus multisetus H. M. Hall 1901-6-1 2037 Riverside South side San Jacinto Mountains 1371 Comment
  UCR252008  Elymus ponticus A. C. Sanders, T. B. Salvato 2014-7-2 41186 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA697748  Emmenanthe penduliflora J. R. Bruff s.n. Riverside Palm Springs. 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
  UCR162280  Emmenanthe penduliflora S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR199561  Emmenanthe penduliflora Scott D. White 2004-4-26 10269 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR215609  Emmenanthe penduliflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 12 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  SBBG35073  Emmenanthe penduliflora var. penduliflora T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR135729  Encelia actoni Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9006 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR176911  Encelia actoni Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UC895498  Encelia californica C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4737 Riverside Gavilan Peak 500 Comment
  UCSB18955  Encelia californica Wright, David 1963-5-5 Riverside State Highway 74, about 6.8 miles S of Dead Indian Creek 1066 Comment
  CAS-BOT-BC131323  Encelia farinosa Javier Penalosa 1963-4-11 2806 Riverside Pines to Palms hwy. (#74) above Palm Desert 762 Comment
  CAS-BOT-BC131340  Encelia farinosa H. A. Zuill 1966-6-5 190 Riverside 1 mile SW of Murrieta on the Tenaja Grade Comment
  RSA784750  Encelia farinosa Duncan S. Bell 2012-2-12 3094 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC53986  Encelia farinosa F. Gilman 36 Riverside vicinity Palm Springs Comment
  UCR233584  Encelia farinosa A. C. Sanders, John F. Green 2012-3-26 39994 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  UCR241657  Encelia farinosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 317 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR97691  Encelia farinosa A. C. Sanders, G. Helmkamp 1997-3-15 19966 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA0107844  Encelia frutescens Duncan S. Bell, Thomas Stoughton 2010-3-19 582 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  RSA336056  Ephedra aspera Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52061 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA703486  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -a Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  SD260138  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mountains: Hwy 74 near Agave Hill 0.3 km SW (249a^z) ov VABM Lucky, 1.6 km NE (37a^z) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs. (Rancho Mirage 7.5'Q) 801 Comment
  SEINET3111912  Ephedra aspera Sears 1977-10-12 S-- 578 Riverside Corn Spring; Desert Palm Oasis. 549 Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  JOTR32656  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  UC68597  Ephedra californica H. M. Hall 1905-5-2 5979 Riverside Chuckawalla Peak Colorado Desert, Chuckawalla Peak Comment
  UCR178557  Ephedra californica R. G. Swinney 1967-2-12 0020 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  SEINET10532236  Ephedra californica var. funera A. K. Evans 1976-4-13 Evans 5129 Riverside Rocky slopes of Santa Rosa mountains. Comment
  NY70344  Ephedra nevadensis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs, Colorado Desert 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
  POM12651  Epilobium canum subsp. latifolium P. A. Munz 1922-9-6 6388 Riverside Along zizag below Hidden Lake, San Jacinto Mountains. 2348 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  UCR25047  Epilobium densiflorum A. C. Sanders 1981-7-22 1723 Riverside San Jacinto Mtns., Dutchman's Flat in Bear Trap Canyon, c. 1 mi. (airline) west of Idyllwild; between Hwy 243 and Foster Lake. 1814 Comment
  RSA633882  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38156 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  SBBG60217  Epilobium oregonense R. Hoffmann 1929-9-6 Riverside Tahquitz Valley Comment
  UCR22003  Epilobium paniculatum Steve Boyd 1980-9-8 343 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA381717  Epipactis gigantea M. D. Proctor 1942-4-4 507 Riverside Andreas Canyon, east base of San Jacinto Mts. 305 Comment
  UC980844  Epipactis gigantea Fred L. Jones 1953-7-17 90 Riverside Santa Rosa Mountains; at spring 609 Comment
  POM11736  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5482 Riverside Kenworthy, San Jacinto Mountains 1418 Comment
  UCR115146  Eragrostis lehmanniana Mitch Provance 2000-10-28 2280 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCD63455  Eragrostis mexicana subsp. mexicana F. M. Reed Date Unknown 1469 Riverside Riverside and vicinity, roadsides in Riverside. Comment
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Jun 16 2012
  UCD63462  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. and Sparky (just E of Washington and S of I-10). 30 Comment
  UCD64344  Eragrostis pectinacea var. pectinacea Beecher Crampton 1964-6-19 7013 Riverside UC-Riverside. Experimental area; plant introduction nursery. Comment
  UCR139981  Eragrostis pectinacea var. pectinacea A. C. Sanders 2004-8-10 28767 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR2388  Eragrostis pectinacea var. pectinacea F. M. Reed 1904-8-10 85 Riverside Riverside Comment
  JOTR33852  Eremalche exilis La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3064 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; Pinto Wash 322 Comment
  RSA543738  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR114144  Eremalche exilis B. G. Pitzer, J. Ross 1998-3-8 3605 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR139383  Eremalche exilis I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCSB10035  Eremalche rotundifolia Haller, John 1958-5-22 Riverside Immediately S. of Hy. 60-70, 5.8 miles E. of Desert Center Comment
  RSA544283  Eremocarpus setiger Steve Boyd, T. S. Ross 1991-6-14 6364 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
  RSA586937  Eremocarpus setiger D. L. Banks, Peter Morrell 1995-5-4 0303 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, along Arroyo Seco. 597 Comment
  UCR245261  Eremothera boothii subsp. condensata Jim Andre 2012-3-19 21308 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CAS-BOT-BC514315  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2935 Riverside On road to Hemet, Mt. San Jacinto 1371 Comment
  SD137689  Eriastrum densifolium subsp. elongatum Darin L. Banks, Steve Boyd 1995-10-17 784 Riverside Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground, along the broad alluvial benches north of where Arroyo Seco turns to the east. 512 Comment
  UCR214157  Eriastrum diffusum T. B. Salvato 2010-4-20 4050 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR280929  Eriastrum filifolium Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 31 Riverside Temescal Valley, Mayhew Wash, N side of Temescal Canyon Rd., vicinity of I-15 320 Comment
  JEPS69111  Eriastrum sapphirinum W. L. Jepson 1914-5-25 6072 Riverside San Gorgonio Pass 548 Comment
  UC455473  Eriastrum sapphirinum I. J. Condit 1910-6-24 Riverside on lower slopes and in San Jacinto Canyon San Jacinto Mts. 914 Comment
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Nov 1 2007
  RSA0121593  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1991-6-14 6389 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
  RSA0122013  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4591 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC515045  Eriastrum sapphirinum subsp. sapphirinum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts., Strawberry Valley 1676 Comment
  RSA93251  Ericameria cuneata var. spathulata F. W. Peirson 1928-11-30 8214 Riverside about 1 mile north of Cottonwood Spring, northeast of Mecca. Comment
  UCR34964  Ericameria linearifolia L. B. Ziegler 1970-4-20 398 Riverside San Jacinto Mtns, Avery (Mission) Canyon, foothills of mtns. 503 Comment
  JEPS21498  Ericameria nauseosa var. bernardina Carl V. Meyer 1928-7-31 613 Riverside Tahquitz Peak San Jacinto Mts. 2438 Comment
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Oct 23 2011
  CAS-BOT-BC298122  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  CAS-BOT-BC299530  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-23 12298 Riverside Valley floor at E. end of Lake Elsinore Comment
  CDA4604  Ericameria palmeri var. pachylepis T. C. Fuller 1961-10-18 7159 Riverside Santa Ana River Canyon, Green River Station, 0.5 mile west of Prado Dam Road, on Highway 91. 0 Comment
  POM194706  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar. Comment
  SBBG8359  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside wash at W edge of Colorado Desert, just E of Banning Comment
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Jun 4 2011
  UC372841  Ericameria paniculata Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Springs Comment
  RSA597065  Ericameria pinifolia D. L. Banks, Lauren Raz 1996-11-5 1155 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SD44539  Ericameria pinifolia J. B. Marks 1948-6-20 Riverside above Banning 915 Comment
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Mar 13 2011
  LA203163  Ericameria teretifolia Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Palms-to-Pines Highway Comment
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Feb 27 2014
  UCR106353  Erigeron divergens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR213684  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside San Jacinto Mountains, Morris Ranch Rd., roadside just E of Tripp Meadow 1646 Comment
  POM4670  Erigeron foliosus H. M. Hall 1901-05 1889 Riverside Eastern base of San Jacinto Mountains, along the borders of the Colorado Desert Comment
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Jul 5 2010
  CAS-BOT-BC296242  Erigeron foliosus var. foliosus Mary F. Spencer 1919-6-19 1201 Riverside San Jacinto Mts. 1615 Comment
  JOTR33780  Erigeron foliosus var. foliosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2931 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  POM3816A  Eriodictyon crassifolium N. K. Berg 1904-3-4 s.n. Riverside San Jacinto Mts. Comment
  RSA455024  Eriodictyon crassifolium H. de Forest 1933-4-17 17595 Riverside Chino Canyon, Colorado Desert. Comment
  SD260968  Eriodictyon crassifolium Mitch Provance 2012-9-13 912 06 Riverside Badlands of Western Riverside County: about 0.2 miles S of Mt. Davis A+-2 miles SSW of Beaumont. 847 Comment
  SD60443  Eriodictyon crassifolium Reid Moran 1964-7-27 11865 Riverside 2.5 miles SSW of Temecula, Canyon of the Santa Margarita River Comment
  CLARK-A1528-2971  Eriodictyon trichocalyx John C. Roos 1948-5-1 3814 Riverside Whitewater 609 Comment
  POM12123  Eriodictyon trichocalyx Mary F. Spencer 1921-4-19 1120 Riverside Banning. Comment
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Mar 13 2011
  UCR241195  Eriodictyon trichocalyx Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 529 B Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA783133  Eriogonum J. D. Olmsted 1959-9-23 1004 Riverside Pines to palms Hwy 2 mi. S of Hemet Lake 1372 Comment
  UCR193406  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35621 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  UC6237  Eriogonum apiculatum H. M. Hall 1897-8-13 849 Riverside from type locality, San Jacinto Mt. San Jacinto Mt. 1828 Comment
  UCR5710  Eriogonum apiculatum O. F. Clarke 1966-10-5 661005- 37 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  JOTR29585  Eriogonum davidsonii Andre, Jim 2006-4-26 6764 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UC6238  Eriogonum davidsonii H. M. Hall June, 1901 2088 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR58876  Eriogonum deflexum J. M. Stewart 1989-10-16 611 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  CAS-BOT-BC256131  Eriogonum deflexum var. deflexum Ynez Whilton Winblad 1937-1-16 s.n. Riverside Box Canyon Comment
  POM13305  Eriogonum elongatum E. C. Jaeger 1069 Riverside Cabazon. Comment
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Mar 13 2011
  SEINET6418437  Eriogonum fasciculatum var. flavoviride C. Francis Shutts 1949-3-28 104 Riverside Palms to Pines Highway State 74, south of Palm Springs 747 Comment
  RSA0056370  Eriogonum fasciculatum var. flavoviride James R. Shevock 1970-12-13 562 Riverside White Tank; Joshua Tree. 1173 Comment
  CAS-BOT-BC249953  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  CHSC89852  Eriogonum fasciculatum var. foliolosum L. P. Janeway 2004-5-8 8078 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  SBBG62012  Eriogonum fasciculatum var. foliolosum P. A. Munz 1927-5-21 10881 Riverside 10 mi SW of Cahuilla Comment
  LA206831  Eriogonum fasciculatum var. polifolium Flora Murray Scott; 1928-4-1 sn Riverside Whitewater Comment
  OBI11093  Eriogonum fasciculatum var. polifolium Tracey & Viola Call, Viola Call 1962-4-6 2119 Riverside 4 mi W of Desert Hot Springs, at road jctn 213 Comment
  RSA5601  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-10-12 4296 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UCD100045  Eriogonum fasciculatum var. polifolium Ted C. MacRae 1995-5-24 416 Riverside Santa Rosa Mountains, 2.4 miles NE of Pinyon Flast on Highway 74. 1219 Comment
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Jul 24 2013
  RSA180301  Eriogonum gracile var. gracile E. W. Lathrop 1965-9-13 5413 Riverside 8 miles west of Murrieta. Comment
  RSA393246  Eriogonum gracile var. gracile Ann Grove 1980-10-8 9 ..10 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murrieta, southwest Riverside Co. Comment
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Dec 1 2014
  UCR113729  Eriogonum gracile var. gracile Mitch Provance 2000-7-30 2169 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  RSA305626  Eriogonum gracile var. incultum C. W. Tilforth, Walter Wisura 1979-5-11 1913 Riverside 0.3 mi. west of Hgwy 74 on Thomas Mountain Rd., ca. 1 mile south of Lake Hemet, Garner Valley. Comment
  RSA393595  Eriogonum inflatum var. deflatum Ora M. Clark 1929-3-17 1741 Riverside N. La Quinta, Colorado Desert. Comment
  UC666511  Eriogonum inflatum var. deflatum Annie M. Alexander and Louise Kellogg 1941-5-28 2263 Riverside e on Metropolitan Aqueduct road Hayfield (on bank below road); Colorado Desert Comment
  UCR24945  Eriogonum molestum A. C. Sanders 1980-7-18 1639 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA761996  Eriogonum nudum var. pauciflorum Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC266939  Eriogonum parishii James L. Reveal; Barbara J. Ertter 1976-6-30 4568 Riverside Along dirt road to Santa Rosa Mountain at Santa Rosa Camp, about 8.5 miles southeast of California Highway 74, Santa Rosa Mountains 2164 Comment
  CAS-BOT-BC258051  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino County line 762 Comment
  RSA766164  Eriogonum pusillum Joseph A. Ewan 1929-3-23 179 Riverside Whitewater canyon, 457 Comment
  RSA226510  Eriogonum reniforme C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. Comment
  UC604978  Eriogonum reniforme Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9526 Riverside 16 mi from Cottonwood Springs; Pinto Basin Comment
  HSC28462  Eriogonum thomasii Richard Spjut 1973-4-10 3290 Riverside Colorado Desert, N slopes of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  UCR163080  Eriogonum thomasii B. G. Pitzer 2000-5-7 4141 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR166555  Eriogonum thomasii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10901 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR87119  Eriogonum thomasii A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-3-12 16034 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA64760  Eriogonum thurberi F. W. Peirson 1914-04 1738 Riverside Whitewater at head of Coachella Valley. Comment
  UC1563138  Eriogonum thurberi Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside se Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek 487 Comment
  UC310875  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi e Aguanga Comment
  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
  UCR120582  Eriogonum trichopes Steven R. Hill, K. Kramer 2001-4-27 33488 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  CAS-BOT-BC264935  Eriogonum wrightii var. membranaceum James L. Reveal; Caroline G. Reveal 1972-8-9 2863 Riverside Along California Highway 243 at the turnoff to Fern Basin, opposite Alandale Ranger Station, about 5.5 miles north-northwest of Idyllwild, San Jacinto Mountains Comment
  JEPS56112  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-25 Riverside The Gavilan Gavilan Hills, The Gavilan Comment
  RSA674529  Eriogonum wrightii var. membranaceum Scott D. White 2000-11-15 8152 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  CAS-BOT-BC261787  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2mi. north of main highway, northwestern corner of Coachella Valley Comment
  UCR14059  Eriogonum wrightii var. nodosum O. F. Clarke 1973-10-14 s.n. Riverside San Jacinto Mtns., 1 mi east of Pinyon Flats Campground in the San Jacinto Mtns. Comment
  RSA94418  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1920-2-16 1387 Riverside Murray Canyon, Palm Springs region. 274 Comment
  CAS-BOT-BC297344  Eriophyllum confertiflorum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM357972  Eriophyllum confertiflorum E. C. Jaeger 1922-7-13 s.n. Riverside Pines to Palms Trail, San Jacinto Mts. 1524 Comment
  CLARK-A1528-214  Eriophyllum multicaule Steven W. Berthel 1971-5-27 Riverside Box Springs Mountains Comment
  POM13860  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Sedco Station, Temescal Canyon Comment
  UCR167816  Eriophyllum multicaule A. C. Sanders 2005-4-21 29572 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  CAS-BOT-BC296969  Eriophyllum wallacei Catherine A. Toschi 1963-4-11 63 :127 Riverside Porcupine Wash, Joshua Tree National Monument; sandy wash 762 Comment
  JEPS5421  Eriophyllum wallacei W. L. Jepson and H. M. Hall 1901-5-19 1272 a Riverside upper end San Jacinto River Comment
  RSA171396  Eriophyllum wallacei J. D. Olmsted 1962-5-3 3485 Riverside Along road on N side of Hemet Lake 1280 Comment
  RSA444567  Eriophyllum wallacei Walter Wisura 1988-3-23 4211 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  UC1922901  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Cabazon 7.5' Quad. Comment
  UCR105429  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 Comment
  UCR98698  Erodium botrys 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
  RSA613894  Erodium brachycarpum A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 19842 Riverside Lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  UCR41361  Erodium cicutarium N. M. Fellows 1985-3-3 89 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCR51983  Erodium texanum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2183 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR120626  Erysimum capitatum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA530311  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-19 3681 Riverside Tahquitz Peak. San Jacinto Mts. 2651 Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA0020088  Erythranthe floribunda Scott D. White 1999-6-6 7441 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA0019312  Erythranthe guttata Philip A. Munz 1922-6-30 5900 Riverside Santa Rosa. 1982 Comment
  RSA0015878  Erythranthe moschata E. C. Jaeger 1921-6-21 s.n. Riverside Idyllwild. 1585 Comment
  RSA0014862  Erythranthe primuloides H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  JOTR33757  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2755 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
  UC118510  Eschscholzia californica Charlotte M. Wilder June, 1905 652 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UCR22132  Eschscholzia californica Steve Boyd 1980-5-3 175 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR241214  Eschscholzia californica Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 51 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  SEINET13710935  Eschscholzia californica S. W. Austin, S. W. Austin 1969-1 27 Riverside W Side of Mts, E of Rr Tracks & N of RaviNE North of Big Springs Rd, Above 2000 Ft 610 Comment
  SEINET10476377  Eschscholzia glyptosperma David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2898 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  CAS-BOT-BC83126  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  RSA445667  Eschscholzia minutiflora N. C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  RSA758328  Eschscholzia minutiflora Doug Goldman 2005-3-3 3034 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
  RSA771692  Eschscholzia minutiflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4688 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCD95412  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 a Riverside Mecca-Joshua Tree Road, 7 miles southwest of the junction with Interstate Highway 10. 243 Comment
  UCR144756  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  UCR267892  Eschscholzia minutiflora Jim Andre 2013-3-4 23859 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA445445  Eschscholzia minutiflora var. darwinensis Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
  RSA0023224  Eschscholzia papastillii M. B. Dunkle 1933-3-4 3063 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCD96486  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 253 Riverside California. Riverside County: Joshua Tree National Park. 857 Comment
  HSC101526  Eschscholzia parishii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12779 Riverside On rocky slope among granite boulders. 355 Comment
  JEPS123741  Eschscholzia parishii J. Andre, T. La Doux 2009-2-25 10804 Riverside Chuckwalla Mountains: approx. 0.5 mi south of I-10 freeway at Eagle Mountain Road Exit. Desert Center 7.5' USGS Quad. Comment
  JOTR28954  Eschscholzia parishii La Doux, Tasha 2005-3-30 1190 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR31872  Eschscholzia parishii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2126 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UC1093127  Eschscholzia parishii Richard Snow 1952-4-13 6 Riverside Box Canyon Orocopia Mts. Comment
  UC111316  Eschscholzia parishii S. B. Parish 1907-4-15 6603 Riverside Whitewater Western edge of Colorado Desert (type station) 600 Comment
  CAS-BOT-BC516700  Eucalyptus camaldulensis A. C. Sanders; Timothy W. Chumley 2013-3-29 40711 Riverside Peninsular Range; Elsinore Area: Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km S of jct with Temescal Canyon Rd 378 Comment
  UCR152518  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  POM184547  Eucrypta chrysanthemifolia var. bipinnatifida C. L. Hitchcock 1932-4-7 12200 Riverside Corn Springs, Eastern Riverside. Comment
  UCR199741  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  UC869898  Euonymus occidentalis var. parishii C. Epling and Wm. Robison 1935-6-20 Riverside N. Fork San Jacinto R. Comment
  UCR152632  Euphorbia albomarginata A. C. Sanders 2005-4-22 29600 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR232028  Euphorbia albomarginata John F. Green 2008-4-15 0408- 02 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  CLARK-A1656-787  Euphorbia misera Jon Mark Stewart 1982-3-20 Riverside San Gorgonio Pass 441 Comment
  OBI14400  Euphorbia palmeri Dieter H. Wilken 1965-6-29 375 Riverside Strawberry Meadows, near Idyllwild, San Jacinto Mts 1554 Comment
  RSA676156  Euphorbia polycarpa Scott D. White 2001-4-3 8258 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SD229140  Euphorbia polycarpa Dick Schwenkmeyer 2012-11-6 866 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR51361  Euphorbia polycarpa S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake 488 Comment
  UCR82837  Euphorbia polycarpa A. C. Sanders, P. J. MacKay 1994-10-23 15850 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  UCD142714  Euphorbia polycarpa var. hirtella Barbara Ertter; J. Strachan 1980-5-20 3465 Riverside West side of Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 457 Comment
  OBI14390  Euphorbia setiloba Robert F. Hoover 1966-10-15 10166 Riverside Dead Indian Cyn Comment
  SD143859  Eustoma exaltatum A. C. Sanders, C. L. Sanders, S. White 1994-10-9 15811 Riverside San Bernardino Mountains:Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell, in wet soil near spring 550 Comment
  PASA2353  Fagonia californica 1929-4-28 Riverside Hidden Springs Comment
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Jun 24 2016
  JEPS20778  Fagonia laevis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13236 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  SBBG67801  Fagonia laevis S. W. Hutchinson -Feb-1926 1145 Riverside Box Cyn 152 Comment
  UCSB9887  Fagonia laevis Beeks, Richard 1952-4-4 Riverside 7 miles North of Mecca, in Box Canyon Comment
  RSA0065486  Fagonia laevis David B. Dunn, Lint 1955-4-1 11822 Riverside Pushawalla Canyon, Indio Hills. Comment
  POM14006  Fagonia pachyacantha Philip A. Munz, D. D. Keck 1922-4-9 4771 Riverside Shaver's Well, near Mecca. Comment
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Apr 24 2011
  SD247521  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Deert; Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Iris Pass 7.5'Q) 673 Comment
  UCR241680  Festuca microstachys var. pauciflora T. B. Salvato 2013-3-22 7397 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
  CLARK-A1528-4661  Festuca octoflora John C. Roos 1952-4-9 5483 Riverside Riverside 259 Comment
  RSA0126277  Festuca octoflora Duncan S. Bell 2016-3-4 8807 Riverside Orocopia Mountains; northwest section of the range, in a small canyon approximately 4 air miles north northwest of the Orocopia Mountain summit area. 622 Comment
  SEINET237016 Image available Festuca ovina H. Haid 1969-5-1 Riverside San Jacinto Wilderness; San Jacinto Mtns.: Bautista Canyon, above confluence with Horse Creek (Blackburn Cyn. 7.5 Comment
  SD152989  Festuca perennis Steve Boyd, Tim Ross 1992-5-4 7173 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. Near junction of Lucas Canyon and Verdufo Trails. 730 Comment
  SD194  Festuca perennis Fidella G. Woodcock 1928-4-27 Riverside Road to San Jacinto Comment
  SDSU13580  Festuca perennis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  RSA0012052  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA525316  Filago californica Steve Boyd, David E. Bramlet 1990-4-29 4470 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA613720  Filago californica D. L. Banks 1997-4-5 1693 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR99160  Filago californica A. C. Sanders, G. Helmkamp 1997-3-15 19992 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR3276  Foeniculum vulgare John Kitasako 1964-5-10 45261 Riverside San Jacinto, side of Main St., 0.25 mi. from intersection of Main St. and Camino Banos 459 Comment
  JOTR01138  Forestiera pubescens Cole, James E. 1941-3-31 458 Riverside Joshua Tree National Park. BARKER DAM 1371 Comment
  CHSC8392  Fouquieria splendens Edward L. Smith 1958-3-21 355 Riverside Located 12 mi. e of Indio on hwy. 60, San Bernardino Mt. Range. 304 Comment
  HSC100858  Fouquieria splendens J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12778 Riverside Along Eagle Mountain Road. Comment
  RSA0018945  Fragaria vesca Louis C. Wheeler 1931-10-4 209 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA69435  Frasera parryi F. W. Peirson 1924-6-28 5008 Riverside Pine flats Camp, San Jacinto Mts. 1799 Comment
  UCR130707  Frasera parryi George K. Helmkamp, E. A. Helmkamp 1998-6-27 4071 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR137358  Frasera parryi 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
  POM9990  Frasera parryi H. M. Hall 1901-07 s.n. Riverside In the vicinity of Strawberry Valley. 1585 Comment
  SD255221  Fraxinus velutina Duncan S. Bell, Josh Brito and John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  POM12925  Fremontodendron californicum Philip A. Munz 1922-6-24 5805 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  CLARK-A1528-688  Fumaria officinalis Olga Kersteiner 1963-3-12 Riverside Indio Comment
  RSA458589  Funastrum cynanchoides var. hartwegii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCD121394  Funastrum cynanchoides var. hartwegii R. S. Woglum 1934-3-18 633 Riverside Central part of county. Snow Creek (north-west of Palm Springs). Comment
  RSA740617  Gaillardia aristata Scott D. White, Justin M. Wood 2008-6-19 12253 Riverside San Jacinto Mountains: USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  RSA60732  Galium angustifolium subsp. angustifolium Frank W. Gould 1943-4-17 2121 Riverside 12 miles S of Corona. Comment
  RSA674659  Galium angustifolium subsp. angustifolium Scott D. White 2000-8-5 8117 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SBBG101767  Galium angustifolium subsp. angustifolium S. Boyd, T. Ross 1991-6-14 6404 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
  UCR92051  Galium aparine Scott D. White, M. Jacobsmeyer 1996-4-20 3953 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA706290  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1279 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  RSA667005  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200m east of Warren Rd. and 100-200m north of Stetson Ave. 457 Comment
  RSA180289  Galium porrigens E. W. Lathrop 1965-4-25 5673 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  RSA191429  Galium porrigens E. W. Lathrop, Robert F. Thorne 1967-9-26 6602 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  RSA751277  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35628 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  JOTR36465  Galium stellatum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3435 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UCR26369  Garrya flavescens A. C. Sanders 1981-7-11 2211 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  RSA234079  Garrya veatchii Robert F. Thorne, E. Lathrop 1969-6-6 39331 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UC484104  Garrya veatchii B. D. Stark 1930-3-18 Riverside Mt. San Jacinto Comment
  UCR2432  Gastridium ventricosum F. M. Reed 1907-5-29 1361 Riverside Riverside, along Box Springs Blvd. above Gage Canal Comment
  UCR100866  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-18 2708 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR196371  Geraea canescens Naomi Fraga, Sarah J. De Groot, Lisa Rojas, L. Lubinsky 2005-2-10 1430 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR251907  Geraea canescens Jim Andre 2013-3-27 24832 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA667120  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region; Riverside, UCR Botanical Garden, E side of the campus. 121 Comment
  UCR154383  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16215 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA395906  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavillian Hills: Plateau remnant on ridge E of Estelle Mountain, S of Dawson Canyon. Comment
  RSA776210  Gilia angelensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 862 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UC718485  Gilia angelensis Carl B. Wolf 1935-4-7 6314 Riverside 2 mi sw of Perris; Gavilan Hills Region, sw of Ferris 426 Comment
  UCR274294  Gilia angelensis T. B. Salvato, Gregg Miller 2005-6-7 1444 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
  UCR85322  Gilia angelensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16171 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  UCR158711  Gilia capitata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30006 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
  UCR231812  Gilia capitata Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 16 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  POM229450  Gilia diegensis P. A. Munz 1937-5-30 15082 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  UC23644  Gilia diegensis H. M. Hall 1899-5-20 1122 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1600 Comment
  UCR130222  Gilia diegensis George K. Helmkamp, E. A. Helmkamp 1998-6-27 4109 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  UCR70963  Gilia diegensis Steve Boyd, D. E. Bramlet 1990-4-29 4514 Riverside Peninsular Range, Vail Lake area, benches along Kolb Creek, west of Dripping Springs, N and south of Hwy 79. 488 Comment
  RSA774927  Gilia latifolia Duncan S. Bell 2011-4-7 2165 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
  RSA0017093  Gilia ochroleuca subsp. exilis D. L. Banks, S. D. Boyd 1995-4-5 0148 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  UC1595613  Gilia ochroleuca subsp. exilis Steve Boyd 1991-5-20 6278 Riverside 1/2 mi e; Cleveland Nat. For. boundary (nw of Lake Elsinore, Lower Rice Canyon); Santa Ana Mountains, nw of Lake Elsinore 518 Comment
  UC1931140  Gilia ochroleuca subsp. exilis Scott D. White, Justin Wood 2008-6-18 12238 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of highway 79. (Idyllwild) Comment
  UCR201504  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12238 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR239208  Gilia ochroleuca subsp. exilis Steven R. Hill 2001-5-3 33658 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA0019473  Gilia scopulorum J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24391 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UCR62327  Gilia sinuata Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  JOTR30792  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  RSA27507  Gilia stellata I. L. Wiggins 1941-3-26 9661 Riverside Along wash at Wiley well. Comment
  RSA71807  Gilia stellata F. W. Peirson 1920-2-16 2297 Riverside Foot of Alkali Canyon, southeast of Palm Canyon, east base of San Jacintos Mountains Comment
  SJSU8425  Gilia stellata G. B. Youngberg 1956-3-28 199 Riverside Palm Canyon near Palm Springs 137 Comment
  UCD117903  Gilia stellata Robert F. Thorne 1963-3-29 32415 Riverside 9 miles east of Mecca, Mecca Hills. 152 Comment
  UCR50577  Gilia stellata B. G. Pitzer 1988-3-10 0660 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  UCR60709  Gilia stellata R. F. Thorne, M. Z. Thorne 1973-3-30 42592 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
  SEINET4042367  Gilia tenuiflora O. M. Clark 1929-1 1687 Riverside South Cabazon, southern California. Comment
  UCR79214  Githopsis diffusa subsp. candida Steve Boyd, T. S. Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  UCR57227  Githopsis diffusa subsp. diffusa Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UC73217  Glycyrrhiza lepidota Miss M. Alice King May, 1893 Riverside Elsinore River Comment
  RSA747280  Gnaphalium Orlando Mistretta 1992-6-10 521 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UCR90605  Gnaphalium leucocephalum Scott D. White 1995-6-29 3393 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  UCR180131  Gutierrezia californica Mitch Provance 2003-4-26 9890 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
  POM78959  Gutierrezia sarothrae I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  UC1509680  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3027 Riverside 34.5 km (21.6 mi) e of Keen Camp (summit of San Jacinto Mountains on State Highway 74 at Pinyon Flats Campground); San Jacinto Mountains, State Highway 74 Comment
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Nov 20 2010
  UC284166  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 mi n Lake Elsinore Comment
  UCSB24494  Gutierrezia sarothrae McMinn, Howard 1935-6-23 Riverside About 1/2 mile south of Elsinore Comment
  CDA3156  Halogeton glomeratus H. Lloyd 1948-10-2 Riverside Near Corona. 0 Comment
  HSC85287  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR175066  Hedypnois cretica Teresa Nieto 2005-4-24 13 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR274542  Helianthus annuus subsp. lenticularis Mitch Provance, Ken Halama 2003-6-15 17063 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA739705  Helianthus californicus A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35663 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR19792  Helianthus californicus W. W. Mayhew 1977-10-3 s.n. Riverside San Jacinto Mtns., Hwy 243 at Fuller Mill Creek 1585 Comment
  SDSU12916  Helianthus gracilentus Jutta Buschbom 1991-6-20 18 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC164852  Heliotropium curassavicum S. B. Parish 1912-7-3 8072 Riverside Salton <Border ?> near <Dermid>; Colorado Desert Comment
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Sep 4 2011
  UCR256783  Heliotropium curassavicum T. B. Salvato, Matthew Malle 2013-5-20 7575 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UCR24425  Hemizonia fasciculata John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA450491  Hemizonia kelloggii J. C. Roos 1965-6-27 s.n. Riverside Reche Canyon Comment
  RSA688832  Hemizonia kelloggii Scott D. White, Michael Honer 2003-4-9 8994 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  RSA702554  Hemizonia paniculata Scott D. White 2004-10-8 10777 Riverside Black Hills, southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  UCR90763  Hemizonia pungens subsp. laevis D. E. Bramlet 1993-5-16 2356 Riverside 5.7 km west of Hemet, 488 m north of Florida Ave and 1 m west of old Warren Road. the site is found on a parcel between old Warren and Warren Rd., c. 274 north of the intersection of these two roads 456 Comment
  RSA605748  Herniaria hirsuta subsp. cinerea A. C. Sanders, G. Helmkamp 1996-3-17 17986 Riverside Coachella Valley; Palm Springs, mouth of Palm Canyon, 0.5km E of Palm Canyon Dr. on Bogert Trail 163 Comment
  RSA124445  Hesperocallis undulata Percy C. Everett, E. K. Balls 1958-4-29 23027 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  RSA550343  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4645 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  UC69218  Hesperocallis undulata E. E. Schellenger Apr. 1905 Riverside Colorado Desert, Santa Maria Mountains Colorado Desert; , Santa Maria Mountains Comment
  UCR24143  Hesperocallis undulata John C. Roos 1949-3-19 4114 Riverside Western Colorado Desert, Sandy flats 2 or 3 miles east of Mecca Comment
  SD138018  Heterocodon rariflorum Darin L. Banks, Steve Boyd 1995-3-30 118 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove. 710 Comment
  RSA0075889  Heterotheca grandiflora James C. Dice, J. DeWald 1987-9-28 729 Riverside North side of Temecula Gorde, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. 330 Comment
  UCR82900  Heterotheca sessiliflora A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15804 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UC74099  Heterotheca sessiliflora subsp. echioides M. F. Gilman 1904-1-1 33 Riverside Banning Comment
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Mar 13 2011
  UCR18771  Heterotheca sessiliflora subsp. fastigiata John C. Roos 1965-9-26 s.n. Riverside San Jacinto Mtns., Thomas (Garner) Valley Comment
  UCR244888  Hibiscus denudatus A. C. Sanders, T. B. Salvato 2012-10-12 40405 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  CAS-BOT-BC207515  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Colorado Desert, Coachella 20 Comment
  CDA27091  Hoffmannseggia glauca T. C. Fuller 1964-4-14 11813 Riverside Northwest corner of Highway 111 & Avenue 52, Coachella. 0 Comment
  RSA782004  Hoffmannseggia glauca Stephanie Rockwood, Christi Gabriel 2011-10-18 118 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  CAS-BOT-BC206104  Hoffmannseggia microphylla C. Epling; Wm. Robison; Wm. Stewart 1936-3-22 s.n. Riverside Painted Canyon, near Mecca Comment
  CAS-BOT-BC207553  Hoffmannseggia microphylla J. Beley 1974-2-22 0443 Riverside halfway between 195 and Cactus City on roadside (w. of Buried mnt.) Comment
  CAS-BOT-BC207572  Hoffmannseggia microphylla F. O. Ballou 1926-2-25 s.n. Riverside Painted Canyon [Canon] near Mecca Comment
  RSA663906  Hoffmannseggia microphylla C. R. Annable 1995-3-10 2260 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  UCD105857  Hoffmannseggia microphylla Geoffrey Levin 1976-10-17 1188 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  RSA797260  Holodiscus microphyllus var. sericeus Robert F. Thorne, Walter Wisura 1977-9-17 50798 Riverside San Jacinto Mountain: summit. 3293 Comment
  SEINET10598964  Hordeum californicum Philip A. Munz 1937-3-27 Munz 14936 Riverside Damp flat, overflow from Lake Elsinore, Elsinore. 305 Comment
  RSA595137  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8591 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
  SEINET3258004 Image available Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range; NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding. 383 Comment
  UCR241401  Hordeum marinum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7452 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA500089  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3222 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  UCR182858  Hordeum murinum subsp. leporinum Mitch Provance 2001-4-21 2976 E Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  RSA6010  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  CAS-BOT-BC312581  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside San Jacinto Mts. Zigzag on trail south of Hidden Lake 2346 Comment
  POM12931  Hulsea vestita subsp. callicarpha P. A. Munz 1922-6-28 5877 Riverside Near Toro Peak, Santa Rosa Mts. 2407 Comment
  RSA1229  Hymenoclea salsola B. D. Stark 1930-4-1 775 Riverside Devils garden. Comment
  UCR109553  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1974-3-1 s.n. Riverside Sonoran (Colorado) Desert, Desert Center 305 Comment
  POM13107  Hymenopappus filifolius var. lugens P. A. Munz, I. M. Johnston 1922-5-21 5504 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA80643  Hypericum androsaemum E. C. Jaeger 1921-6-11 5451 Riverside Idyllwild Comment
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Nov 5 2011
  UCD133319  Hypochaeris glabra Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3719 Riverside Vail Lake area, recently burned hills at west end of lake southwest of dam. 487 Comment
  POM14359  Hyptis emoryi P. A. Munz, D. D. Keck 1922-4-9 4767 Riverside Palm Springs. 76 Comment
  RSA356893  Hyptis emoryi Robert F. Thorne 1966-10-15 41788 Riverside Palm Springs. Comment
  RSA648296  Hyptis emoryi Mark Hotchkiss 1977-4-23 s.n. Riverside 7 mi. S.W. of Palm Desert. Pines to Palm Hwy. 457 Comment
  SFV21859  Hyptis emoryi J. R. Pucci 2001-4-7 9 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  UC570745  Hyptis emoryi H. L. Mason 1928-3-10 4231 Riverside Coachella Mountains Hidden Springs Canyon; , Hidden Springs Canyon Comment
  UC61586  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  UCD124930  Hyptis emoryi Collector unknown 1923-3-26 298 Riverside Tahquitz Wash, Palm Springs. Comment
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Feb 17 2013
  SEINET10869887  Hyptis emoryi David B. Dunn 1947-3-15 Dunn 2864 Riverside Pushawalla canyon, indio hills. In dry wash Comment
  UCSB51278  Imperata brevifolia John C. Roos 1965-6-23 Riverside collected in Palm Springs Palm Springs Comment
  RSA366806  Iris hartwegii subsp. australis Robert L. Rutherford 1945-5-24 1658 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 19 2010
  RSA614494  Isocoma acradenia var. eremophila A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15818 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  CAS-BOT-BC69944  Isoetes howellii Robert F. Thorne; Earl Lathrop; P. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau: On Mesa de Colorado, Rancho California. 670 Comment
  SD204904  Isoetes howellii R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55204 Riverside Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  CSUSB721  Isomeris arborea David M. Peterson 1966-2-20 660220 12 Riverside 8 miles northeast of Mecca in Box Canyon, on Mecca-to-Joshua Tree National Monument Road. 170 Comment
  UCR96804  Isomeris arborea A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19769 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  SEINET12007320  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8003 Riverside near Palm Springs Comment
  CLARK-A1656-898  Isomeris arborea var. angustata Jim Cornett 1977-6-25 Riverside Desert Hot Springs 396 Comment
  SEINET4691495  Iva axillaris A. C. Sanders 2012-1 39990 Riverside Peninsular Range; Elsinore Valley; city of lake Elsinore, 0.4 km SW (210 degrees) of Intersection of Riverside Dr. and Collier Ave. 385 Comment
  UCR215595  Ivesia saxosa Jim Andre, T. La Doux 2008-9-16 10701 Riverside Mojave Desert, Joshua Tree National Park, on the southeast end of Splitock Picnic Area 1290 Comment
  UCR209201  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  JEPS63812  Juncus balticus S. B. Parish 1913-2-7 8455 Riverside near Mecca; Salton Basin -60 Comment
  UCR121176  Juncus bufonius D. E. Bramlet 1991-5-2 2111 Riverside Crown Valley, c. 2300 ft. (~0.44 mi.) SE of Rawson Road 701 Comment
  UCR156285  Juncus bufonius T. B. Salvato, Kent Beaman 2005-5-16 829 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
  UCSB26799  Juncus bufonius var. bufonius Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  RSA335007  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  UCD141501  Juncus effusus subsp. austrocalifornicus Louis C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1584 Comment
  UCR48216  Juncus luciensis R. F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau, Santa Ana Mountains, Rancho California, Mesa de Burro 610 Comment
  RSA69660  Juncus macrophyllus F. W. Peirson 1924-7-28 5011 Riverside Pine Flats Camp 1799 Comment
  UCR98897  Juncus macrophyllus Scott D. White 1996-8-1 4440 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA180267  Juncus mexicanus E. W. Lathrop 1960-6-9 4984 Riverside 14 miles west of Murrieta. Comment
  RSA500197  Juncus mexicanus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3547 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UC1106411  Juncus mexicanus Peter Kamb 1948-7-4 1164 Riverside Hall Canyon San Jacinto Mts. 1645 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
  UCR201445  Juncus rugulosus Scott D. White, Justin M. Wood 2008-7-10 12452 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  CHSC23326  Juncus tiehmii Robert F. Thorne; J. P. Simon, C. W. Tilforth 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  UCR164302  Juncus xiphioides S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR18437  Juncus xiphioides J. Olmstead 1966-6-7 s.n. Riverside Santa Rosa Mtns., Deep Canyon between road end & first falls, above gauging station 610 Comment
  UC813456  Juniperus californica N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  LA202782  Justicia californica D. Birindelli; 1969-3-9 266 Riverside Palm Desert 121 Comment
  RSA793456  Justicia californica Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4378 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  SEINET10972716  Justicia californica Rose 1935-12-19 Rose 35669 Riverside Palm Springs, desert wash. 138 Comment
  SBBG129032  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-10 40414 Riverside Sonoran (Colorado) Desert: 120 Comment
  UCD77786  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Palo Verde Mesa, at ne base of Mule Mountains. 114 Comment
  UCR245986  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  RSA314156  Keckiella antirrhinoides Walter Wisura 1983-7-9 3917 Riverside 10.5 mi from the junction with Hwy 111 along Hwy 74. Comment
  RSA757800  Keckiella antirrhinoides subsp. antirrhinoides LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4287 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
  UCR91667  Keckiella antirrhinoides subsp. antirrhinoides Steve Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  UCD85970  Koeleria macrantha F. M. Reed 1924-4-20 5133 Riverside Kyle canon on Box Springs Mountain. 426 Comment
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May 1 2011
  RSA697951  Krameria canescens J. R. Bruff 1927-11-24 6 Riverside Whitewater. Comment
  RSA303861  Krameria erecta Jim R. Shevock 1971-5-8 1037 Riverside White Tank, Joshua Tree National Monument. 1174 Comment
  POM182416  Krameria grayi E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  UC1329866  Krameria grayi James E. Cole 1941-5-22 768 Riverside Joshua Tree National Monument Ruby Lee Mill Site; , Ruby Lee Mill Site 914 Comment
  UC1605398  Laennecia coulteri Steve Boyd and Darin Banks 1994-9-29 8367 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  CAS-BOT-BC272429  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Harford Springs County Park, Gavilan Plteau, Gavilan Hills 640 Comment
  UCR101796  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 1997-3-5 1329 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR247428  Lamium amplexicaule Mike Lahti 2008-3-10 s.n. Riverside San Jacinto, 950 N. Ramona Blvd. Comment
  UCR25377  Langloisia schottii John C. Roos, Lucille Roos 1949-4-6 4149 Riverside Sonoran (Colorado) Desert, c. 10 mi. east of Mecca, at the south face of the Orocopia Mtns. Comment
  JOTR32611  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2672 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
  SBBG3966  Larrea tridentata K. K. Muller 1958-3-22 922 a Riverside 5.5 mi E of Desert Center Comment
  UCSB19493  Larrea tridentata Winn, Will 1963-2-23 Riverside 4 miles E of Mecca, Coachella Valley 15 Comment
  CAS-BOT-BC412730  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside Vicinity of Riverside 304 Comment
  RSA79174  Lasthenia coronaria P. A. Munz, P. Everett 1952-5-2 16241 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR1204  Lasthenia coronaria Martha McCarthy 1960-3-20 s.n. Riverside Box Springs Mtns, University of California Campus, east side of hill west of road leading past the reservoir. Comment
  SEINET7042766  Lasthenia glabrata W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  JEPS17279  Lasthenia glabrata subsp. coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1486 Riverside Cahuilla Valley Comment
  POM157896  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10894 Riverside Coahuila Valley. 1372 Comment
  POM157928  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10842 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  RSA550491  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2220 Riverside 2.6 km west of Lake View and 15m to 100m east of the San Jacinto River and just west of an existing dirt access road. The site is approximatly 440m south of the MWD easment road. Comment
  UC893758  Lasthenia gracilis P. A. Munz and I. M. Johnston 1922-5-20 5452 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1371 Comment
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Mar 24 2011
  UCR126365  Lasthenia gracilis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 684 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR232787  Lasthenia gracilis John F. Green 2008-4-16 0408- 32 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR134331  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut 259 Comment
  CAS-BOT-BC321148  Layia glandulosa Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert. 304 Comment
  SEINET1090217 Image available Layia glandulosa A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16233 Riverside San Gorgonio Pass/ San Jacinto Mountains: on or near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W. of Snow Creek, E. of Cabazon 390 Comment
  SEINET11811304  Layia glandulosa J. F. Bright, Wyman, C. 1933-1 8078 Riverside near Palm Springs Comment
  JEPS29302  Layia platyglossa Rimo Bacigalupi and L. Heckard 1962-3-25 8397 Riverside at e base of the Santa Ana Mountains about 5 mi se of Corona; Bedford Canyon Comment
  UC62907  Layia platyglossa H. M. Hall 1902-4-21 2935 Riverside vicinity Riverside 487 Comment
  UCR100033  Layia platyglossa A. C. Sanders, G. Helmkamp 1997-3-15 19973 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR34928  Layia platyglossa L. B. Ziegler 1969-5-10 361 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 8 2013
  UCR85529  Lepidium dictyotum var. dictyotum Scott D. White 1993-3-12 1156 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  RSA429903  Lepidium fremontii Christopher Davidson 1973-4-19 1975 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  POM126304  Lepidium lasiocarpum T. Craig 1927-4-2 59 Riverside Hidden Springs Canyon. Comment
  RSA736256  Lepidium lasiocarpum Scott D. White, Justin Wood 2008-4-3 11791 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR77582  Lepidium lasiocarpum Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-2 6640 Riverside Santa Ana Mtns, Cleveland National Forest. Upper San Mateo Canyon between the confluence of Tenaja Canyon and Los Alamos Canyon 427 Comment
  UCR173878  Lepidium nitidum Scott D. White, Michael Honer 2003-4-2 8919 Riverside Peninsular Ranges/Santa Ana Mtns, Temescal Canyon: Alberhill area N of the I-15 Fwy, on and near crest of unnamed mountain, '2349 716 Comment
  UCR59678  Lepidium nitidum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3033 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  RSA751098  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2009-5-21 12853 Riverside Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UCR220117  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2633 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  HSC47589  Lepidospartum squamatum Richard Spjut, Judy Adams 1978-11-22 5239 Riverside Colorado Desert, N of Palm Springs ca. 1 mi. S from Jct. with Hwy. 10 Comment
  RSA604869  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns: Ca 5 road mi SE of Davis RD/Ramona Expwy intersection. 610 Comment
  CLARK-A1528-4711  Leptochloa filiformis John C. Roos 1958-9-28 Riverside Coachella Comment
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  RSA736173  Leptochloa fusca subsp. uninervia Scott D. White, Justin M. Wood 2008-5-13 11956 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCR2517  Leptochloa uninervia F. M. Reed 1918-10-13 4019 Riverside Menifee Valley 549 Comment
  UCR33683  Leptochloa uninervia Faulkner 1978-3-21 349 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR92237  Leptochloa uninervia Scott D. White, S. Ogg 1994-10-17 2477 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  RSA0103570  Leptosiphon floribundus subsp. floribundus Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8587 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  RSA500977  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3182 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR21842  Lessingia filaginifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC283713  Leymus condensatus Peter H. Raven; Sidney R. Snow 1956-6-30 9533 Riverside Dripping Springs Guard Station, Temecula River Comment
  POM47667  Leymus triticoides F. W. Peirson 1924-6-1 4678 Riverside River lands along Santa Ana River. 152 Comment
  POM211567  Lilaea scilloides Philip A. Munz 1941-5-18 16663 Riverside North end of Santa Rosa Ranch, Elsinore Mountains 915 Comment
  RSA588184  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UC1922839  Limosella acaulis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1774 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UC1329876  Linanthus aureus James E. Cole 1941-4-15 594 Riverside Pleasant Valley Joshua Tree National Monument 762 Comment
  UC667262  Linanthus bigelovii Annie M. Alexander and Louise Kellogg 1941-5-7 2134 Riverside Split Rock, Riverside and San Bernardino Counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  UCD166199  Linanthus californicus Jack Major 1962-4-16 764 Riverside Along shoulder and on cut banks of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  RSA747874  Linanthus dianthiflorus Justin M. Wood 2009-5-11 695 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UC1595565  Linanthus dianthiflorus W. Wisura, A. King, and L. Newcomb 1992-4-10 4678 Riverside n of W. Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  OBI52759  Linanthus dianthiflorus L. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  UC219269  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-3-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  CLARK-A1528-3476  Linanthus liniflorus John C. Roos 1937-5-27 Riverside Reche Canyon Comment
  UCR19163  Linanthus liniflorus John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  CLARK-A1045-342  Linaria canadensis var. texana George K. Helmkamp 1978-4-8 Riverside Box Springs Mountains Riverside East 7.5Q' Comment
  CAS-BOT-BC432279  Lithophragma affine Frank W. Peirson 1922-5-19 4189 Riverside San Jacinto River 1143 Comment
  RSA0010985  Lithophragma affine Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2124 Riverside Santa Rosa Mountains. Comment
  RSA262105  Lithophragma affine subsp. mixtum E. W. Lathrop 1969-5-8 7015 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA0045289  Lobularia maritima Margaret Murphy 1983-4-15 0011 -A Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA65716  Loeflingia squarrosa F. W. Peirson 1922-4-9 4156 Riverside Palm Canyon Region, near Palm Springs. Comment
  UCR136003  Loeflingia squarrosa Virginia Moran 2003-5-22 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  RSA639631  Loeseliastrum schottii R. F. Thorne 1973-3-30 42679 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SD259047  Loeseliastrum schottii Sarah J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave. Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  SBBG101674  Logfia arizonica S. Boyd with Mistretta 1991-5-22 6313 Riverside Vail Lake, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk Comment
  CAS-BOT-BC342255  Logfia filaginoides A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19890 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  JEPS20883  Logfia filaginoides W. L. Jepson 1935-4-17 19153 Riverside 1.5 mi in Elsinore 457 Comment
  JOTR33734  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2734 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  SEINET251655 Image available Lolium perenne John Green 2005-5-4 Riverside Perris-Aguanga Region: SE corrner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base (Steele Peak 7.5 'Q) Comment
  UC1608297  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6740 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr.; Santa Ana Mts., San Mateo Cyn Wilderness Area, N-fork Bear C 670 Comment
  UCR63510  Lomatium lucidum Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  GMDRC1318  Lomatium mohavense J. Andre 2004-4-24 4276 Riverside Little San Bernardino Mountains: Joshua Tree NP: open Joshua Tree woodland, near roadside 1/2 mi. east of GeoTour Rd. Elev. 4493 ft. 1370 Comment
  UC372867  Lomatium utriculatum Marcus E. Jones, A. M. 1882-4-25 3172 Riverside San Jacinto Comment
  CAS-BOT-BC234886  Lonicera subspicata var. denudata H. M. Hall 1901-7-1 2529 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1615 Comment
  CAS-BOT-BC234889  Lonicera subspicata var. denudata E. W. Lathrop 1964-5-24 5388 Riverside miles W of Murrieta Comment
  RSA171013  Lonicera subspicata var. denudata R. F. Thorne 1963-7-26 32818 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  SD229122  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 676 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCR102922  Lotus argophyllus George K. Helmkamp 1998-4-3 3069 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA504557  Lotus argophyllus var. argophyllus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on Nuevo. 640 Comment
  RSA567202  Lotus argophyllus var. argophyllus Walter Wisura, W. Steinmetz 1993-5-29 4918 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  UC1506120  Lotus argyraeus R. T. Clausen 1963-4-23 63063 Riverside ridge s Red Mt.; Transverse Ranges Comment
  JEPS55436  Lotus grandiflorus var. grandiflorus W. L. Jepson 1903-8-8 2293 Riverside Strawberry Valley San Jacinto Mt. 1828 Comment
  UC864796  Lotus grandiflorus var. grandiflorus P. A. Munz and I. M. Johnston 1922-5-19 5403 Riverside 1 mi above mouth of Strawberry Creek; San Jacinto Canyon, Strawberry Creek 1219 Comment
  POM226886  Lotus hamatus L. R. Abrams 1935-4-7 13677 Riverside 2 mile SW of Perris. Comment
  UCR116456  Lotus hamatus A. C. Sanders, T. B. Salvato 2001-3-30 23871 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
  UCR88297  Lotus hamatus A. C. Sanders, K. C. Rose 1995-4-5 16370 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA406175  Lotus heermannii N. C. Cooper 1944-7-15 1545 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UC61698  Lotus heermannii L. D. Copeland May 1904 Riverside West Canyon Palm Springs Comment
  UCR185173  Lotus nevadensis Naomi Fraga, Et al. 2006-7-11 1713 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA6031  Lotus nevadensis var. nevadensis C. B. Wolf 1932-8-4 3916 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  UCR110971  Lotus nevadensis var. nevadensis George K. Helmkamp 1998-6-27 4130 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  RSA0034406  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6721 Riverside Hemet lake 1300 Comment
  UCR82615  Lotus purshianus A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14225 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA498793  Lotus rigidus Robert L. Dressler 1949-3-19 425 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
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May 24 2012
  SEINET3563111 Image available Lotus rigidus Melissa Luckow, Rhonda Riggins 1982-4-15 821 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  SFV5011  Lotus rigidus F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Rocky roadside, Seven Level Hill about 10 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UC1543245  Lotus rigidus Donald G. Nelson 1936-5-22 386 a Riverside near base of Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway, on trail down to stream in Palm Springs Canyon); Santa Rosa Mountains 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
  UC15613  Lotus salsuginosus var. brevivexillus W. G. Wright 1890-1 1755 Riverside Colorado Desert Comment
  UCR68619  Lotus salsuginosus var. salsuginosus Steve Boyd, D. E. Bramlet 1990-4-29 4501 Riverside Lake Skinner County Park, SE base of Bachelor Mtn. Comment
  UCR192716  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2008-6-10 35448 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  CSUSB1252  Lotus strigosus D. T. Wright 1966-5-16 Riverside 8 miles southeast of Banning on Banning- Idyllwild road at Hurley Flats Road, San Jacinto Mountains. Comment
  RSA406364  Lotus strigosus J. D. Olmsted 1962-5-10 3640 Riverside Potrero country along S Divide truck trail, SE end of Santa Ana Mts., SSW of Lake Elsinore. 945 Comment
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Apr 1 2011
  RSA673505  Lotus strigosus Scott D. White, Bill La Haye 2000-5-27 7965 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA717619  Lotus strigosus Scott D. White, Andrea Warniment 2006-3-22 11272 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA775097  Lotus strigosus Duncan S. Bell, Amber Swanson 2011-2-18 2033 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
  RSA775268  Lotus strigosus Duncan S. Bell 2011-4-8 2203 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA786103  Lotus strigosus C. P. Cowan 1978-4-25 1267 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UCR120648  Lotus strigosus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1793 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR155938  Lotus strigosus John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR187510  Lotus strigosus Scott D. White 1995-8-23 3584 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR250199  Lotus strigosus A. C. Sanders 2014-4-23 41044 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
  UCR269115  Lotus strigosus Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4502 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  RSA483569  Lotus strigosus var. hirtellus D. Charlton 1988-5-21 1954 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  SEINET3218478 Image available Lotus strigosus var. tomentellus T. B. Salvato 2010-4-20 4061 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  UCR138563  Lotus strigosus var. tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1471 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR214552  Lotus strigosus var. tomentellus A. C. Sanders 2010-3-15 37393 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  POM259965  Lotus tomentellus P. A. Munz 1940-3-23 15722 Riverside north end of Pinto Basin 610 Comment
  RSA676124  Lotus tomentellus Scott D. White 2001-4-3 8269 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR72200  Lotus tomentellus Theo Glenn 1992-3-31 92- 13 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  SD185227  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation along road in Hathaway Creek Canyon, north of Banning. 793 Comment
  UC130325  Lupinus H. M. Hall May 1899 1374 Riverside San Jacinto Mountains Comment
  JEPS48834  Lupinus arizonicus Marjorie D. Clary 1932-3-27 951 Riverside Indio Hills Colorado Desert, Indio Hills Comment
  JEPS65447  Lupinus arizonicus Mary Beal 1941-4-6 858 Riverside Painted Canyon Mojave Desert, Mecca Hills, Coachella Valley Comment
  POM349941  Lupinus arizonicus N. R. Zabriskie, Walter M. Zabriskie 1973-3-20 591 Riverside Coyote Canyon, tributary to Deep Canyon, N slope Santa Rosa Mtns. 366 Comment
  RSA0031422  Lupinus arizonicus Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4471 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UC126993  Lupinus arizonicus S. B. Parish Apr 4 1896-Apr 13 1896 4080 Riverside desert base of San Jacinto Mt. Palm Springs (Agua Caliente) (Palm Springs (Agua Caliente)); , Palm Springs 152 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
  POM350005  Lupinus bicolor Ora M. Clark 1929-2-23 1526 Riverside South of Cabazon Comment
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Mar 13 2011
  UC1401245  Lupinus bicolor D. Dunn 1947-3-16 2921 Riverside in Banning Pass 1/2 mi n Cabazon; n of Cabazon in Banning Pass Comment
  UCR152641  Lupinus bicolor A. C. Sanders 2005-4-22 29603 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR1039  Lupinus bicolor subsp. microphyllus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mountains, Anza Cutoff on Pines to Palms Highway. 1500 Comment
  SD144460  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Balck Mtn, along the road. 518 Comment
  UCR241221  Lupinus concinnus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1010 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  POM122422  Lupinus concinnus subsp. optatus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA297751  Lupinus concinnus subsp. optatus Barbara Ertter, J. Strachan 1979-6-26 2982 Riverside Hwy 243 near Idyllwild, San Jacinto Mtns Comment
  RSA407148  Lupinus concinnus subsp. optatus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SEINET10870974  Lupinus concinnus subsp. optatus Tilforth 1980-6-10 TILFORTH 1985 Riverside Common on dry banks & road cuts at all elevations. Along north leg of thomas Mtn. Rd., South of lake hemet, hiway 74. Comment
  RSA087025  Lupinus densiflorus var. lacteus F. W. Peirson 1914-04 705 Riverside Whitewater at head of Coachella Valley. Comment
  OBI42759  Lupinus excubitus Melody Lardner 1981-5-19 188 Riverside Collected in the Main St Cyn in the Santa Ana Mts, 3.5 mi S of Hwy 91 at the end of Main St 427 Comment
  RSA773662  Lupinus excubitus Duncan S. Bell, Joy D. England 2010-5-20 1025 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UC478969  Lupinus excubitus Marcus E. Jones 1931-5-17 28966 Riverside Keyes Ranch Comment
  RSA0030876  Lupinus excubitus subsp. austromontanus Norman C. Cooper 1944-6-17 1421 Riverside San Jacinto Mtns. above Banning. 1067 Comment
  JEPS122470  Lupinus excubitus var. austromontanus J. M. Andre 2012-6-15 30538 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  POM125537  Lupinus excubitus var. austromontanus R. Weatherby 1949-6-6 663 Riverside Santa Rosa Mountain. 1982 Comment
  RSA543577  Lupinus excubitus var. austromontanus Steve D. Boyd 1991-5-7 6159 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA613448  Lupinus excubitus var. hallii D. L. Banks, Victor W. Steinmann 1997-3-13 1444 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
  UCR25046  Lupinus latifolius A. C. Sanders 1980-7-22 1706 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  SEINET10489268  Lupinus latifolius subsp. parishii August J. Breitung 1953-5-30 Breitung 15323 Riverside San juan canyon. In live oak grove. Comment
  LA205141  Lupinus latifolius var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  CDA27545  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava Street (DeLuz Road) 0.4 mile south of junction Washington Avenue in Murietta. 0 Comment
  CHSC108883  Lupinus sparsiflorus Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald, L. Reccia 2010-4-13 4858 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm). Between N34.02559, W116.69098 and N34.01235 and W116.68712. 915 Comment
  SBBG99765  Lupinus sparsiflorus W. L. Halvorson 1977-2-15 77 -27 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET7073442 Image available Lupinus sparsiflorus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR163399  Lupinus sparsiflorus O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA0074211  Lupinus sparsiflorus Leota Brice 1930-4-13 s.n. Riverside Idylwild. [San Jacinto mountains]. Comment
  RSA572982  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1986-4-22 1733 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  SEINET10837784  Lupinus succulentus var. succulentus August J. Breitung 1953-4-19 Breitung 14768 Riverside In grain field 10 mi e of beaumont. Flowers purple, upper lip with white Blotch in center. Keel ciliate near claws both above and below. Comment
  IRVC29065  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 366 Comment
  POM256719  Lupinus truncatus W. Pequegnat 1940-4-28 s.n. Riverside Ridge between Bedford and Brown Canyons, Santa Ana Mts. 701 Comment
  POM320523  Lupinus truncatus Worthman 1968-5-16 182 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  RSA590648  Lupinus truncatus E. W. Lathrop 1965-5-9 5745 Riverside 6 miles W of Murrieta. Comment
  RSA701346  Lupinus truncatus Michael Wall, Susan G Jett, Perez, Garcia 1994-6-1 60 Riverside S of Hemet, 0.2 mi W of Benjie Lane off Hwy R-3. Associated plants include Salvia apiana, Adenostema fasciculatum, annuals, and exotic grasses. 168 Comment
  UCR173148  Lupinus truncatus Abby Sirulnik 2000-4-25 20 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR91641  Lupinus truncatus D. L. Banks, Steve Boyd 1995-5-17 457 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  CAS-BOT-BC231413  Lycium andersonii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2178 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  JEPS11769  Lycium andersonii W. L. Jepson Oct 22 1912-Nov 7 1912 5240 Riverside Riverside Mts. 45 Comment
  SD259061  Lycium fremontii Sarah J. De Groot, Thomas Stoughton 2016-2-18 7626 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon. 185 Comment
  UCR33529  Lythrum californicum Sears, R. Twitchell 1977-10-12 S 565 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, Corn Springs 512 Comment
  UCR33764  Machaeranthera cognata J. M. Stewart 1984-2-19 84- 04 Riverside Sonoran (Colorado) Desert, Coachella Valley, base of Indio Hills along powerline road, 3.5 mi. west of Dillon Road 49 Comment
  UCR42412  Machaeranthera cognata J. M. Stewart 1986-1-26 86- 9 Riverside Sonoran (Colorado) Desert, S side of Mecca Hills. 107 Comment
  UC33264  Madia elegans H. M. Hall 1901-6-29 2268 Riverside w side San Jacinto Mountains; w side San Jacinto Mountains 1615 Comment
  RSA619542  Madia gracilis D. L. Banks 1997-5-5 1991 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR58854  Malacothamnus densiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3546 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA543604  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6136 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  CAS-BOT-BC206265  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  RSA433318  Malacothamnus fasciculatus N. C. Cooper 1944-5-21 1279 Riverside Hemet. 549 Comment
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Oct 19 2009
  RSA561807  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA751910  Malacothrix clevelandii Scott D. White, Justin M. Wood 2009-5-22 12913 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SD112632  Malacothrix clevelandii Darley F. Howe 1946-2-28 1391 Riverside Canyon San Jacinto Mountains Comment
  UCR138581  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-13 1433 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
  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
  UCR82222  Malva parviflora J. M. Stewart 1994-5-2 840 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  UCR272498  Malvella leprosa Mitch Provance 2013-6-18 613- 33 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA346380  Marah macrocarpa F. R. Fosberg 1930-3-9 1536 Riverside Mission Canyon Comment
  SEINET272157 Image available Marah macrocarpa A. C. Sanders 1997-4-1 19755 Riverside Box Springs Mountains: E side of Pigeon Pass Valley about 0.5 mile Nw of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 580 Comment
  GMDRC9819  Marina parryi J. M. Andre 2017-3-1 38068 Riverside Coxcomb Mountains: north of Hwy 177 at JTNP boundary, 10.1 mi. NE of Desert Center (I-10) 159 Comment
  JOTR28791  Marina parryi La Doux, Tasha 2005-3-30 1060 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA607361  Marina parryi R. S. Woglum 1939-4-11 2223 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  SBBG22978  Marina parryi D. Myrick 1965-3-2 1070 Riverside near Midland, N of Blythe 91 Comment
  UCR141230  Marsilea vestita A. C. Sanders, Mike Misenhelter 2004-10-6 28838 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
  CAS-BOT-BC520441  Matelea parvifolia A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mtns., 8.9 km SE of Gasline Rd,, at narrow wash crossing 701 Comment
  UCR163219  Matricaria matricarioides T. B. Salvato, Kelly Volansky 2003-3-27 122 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR126985  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2003-5-9 26580 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  SDSU17679  Meconella denticulata Jerry Jenkins 2001-4-3 2001 -032 Riverside Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. Comment
  UCR143014  Medicago lupulina D. L. Crawford, I. M. Johnston 1917-6-9 1234 Riverside San Bernardino Valley/Upper Santa Ana River, Santa Ana River near Corona 152 Comment
  SDSU14186  Medicago polymorpha Ingrid Poulin 2002-3-22 11 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 216 Comment
  UCR241394  Medicago polymorpha T. B. Salvato 2013-3-22 7394 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  CLARK-A1656-840  Medicago sativa Jon Mark Stewart 1983-10-24 83-45 Riverside Palm Desert 60 Comment
  RSA192125  Medicago sativa H. A. Zuill 1966-6-27 256 Riverside Between Tenaja Guard Station and the Main Divide Truck Trial. Comment
  RSA683857  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8942 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SBBG122769  Melica imperfecta A. Parikh 1990-5-8 163 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1.4 km E of Old Elsinore Rd 510 Comment
  SD231175  Melica imperfecta Scott D. White 2003-3-21 8821 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 121 Comment
  SEINET2473421 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato 2011-1 38839 Riverside Peninsular Range; Edge of Gavilan Hills; Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UC38849  Melica imperfecta H. M. Hall Jun 1901 2306 Riverside North Fork; San Jacinto Mountains 914 Comment
  UCR22153  Melica imperfecta Steve Boyd 1980-5-3 173 Riverside Harford Springs Co. Park, NW corner of the Gavilan plateau. N end of the juniper grove Comment
  RSA735073  Melinis repens Scott D. White, Justin M. Wood 2007-4-16 11652 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR163513  Mentzelia B. G. Pitzer, J. Ross 1998-3-8 3600 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR35320  Mentzelia congesta L. B. Ziegler 1967-7-5 178 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  POM295596  Mentzelia involucrata Lyman Benson 1945-3-29 11637 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  RSA701220  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11276 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET225785  Mentzelia involucrata George K. Helmkamp 1983-4-5 483 -24 Riverside Chuckwalla Mountains, Large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road. 488 Comment
  UCR112106  Mentzelia involucrata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23358 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCSB39335  Mentzelia involucrata Jorgensen, Jan 1982-3-21 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  CSUSB821  Mentzelia involucrata var. megalantha Wayne White 1974-5-24 Riverside Chuckwalla Mountains, Colorado Desert On Highway I-10 near Red Cloud Road; Chuckwalla Mountains in Colorado Desert 609 Comment
  POM160080  Mentzelia involucrata var. megalantha E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  RSA0126944  Mentzelia longiloba var. longiloba Marcus E. Jones 1931-9-15 s.n. Riverside Hayfields. No. Colorado Desert. Comment
  UCR16334  Mentzelia micrantha I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  UC19591  Mentzelia montana H. M. Hall May 1899 1121 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCR214695  Mesembryanthemum crystallinum A. C. Sanders 2010-3-25 37630 Riverside Sonoran (Colorado) Desert; Salton Trough, northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  RSA714427  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
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Jul 8 2009
  LA209009  Micranthes californica John O'Leary; 1975-3-30 337 Riverside San Timoteo Canyon. 0.5 mi E of Treemont [?] 655 Comment
  RSA496365  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3039 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  UC2029930  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10406 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. Comment
  RSA192186  Microseris heterocarpa E. W. Lathrop 1959-4-17 4478 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA543952  Microseris heterocarpa Steve Boyd 1991-5-9 6184 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  POM13138  Microseris lindleyi P. A. Munz, I. M. Johnston 1922-5-20 5456 Riverside Pipe Creek, Hemet Valley 1418 Comment
  RSA0018774  Mimetanthe pilosa Robert F. Thorne, Walter Wisura 1977-9-17 50779 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  LA209159  Mimulus aurantiacus var. pubescens Norman C. Cooper; 1944-6-16 1428 Riverside San Jacinto Mountains, Pine Cove 1523 Comment
  UCR111583  Mimulus aurantiacus var. pubescens Mitch Provance 1998-3-7 148 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR139153  Mimulus aurantiacus var. pubescens S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UCR174330  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32565 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
  UCR182375  Mimulus aurantiacus var. puniceus Andrea Salzman, Diane Menuz, Carlos Navarro, Ricky Escobar, Theresa Johnson, Angela Hyder 2006-3-21 18 Riverside Peninsular Range, Black Hills NE of Oak Mountain 793 Comment
  UCR91462  Mimulus aurantiacus var. puniceus Scott D. White 1995-3-30 2669 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
  RSA676273  Mimulus bigelovii Scott D. White 2001-4-3 8226 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA717469  Mimulus bigelovii Scott D. White, Andrea Warniment 2006-3-22 11266 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA736296  Mimulus brevipes Scott D. White, Justin M. Wood 2008-5-27 12035 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SEINET3079201 Image available Mimulus brevipes Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murietta, Ca. 366 Comment
  RSA38704  Mimulus clevelandii Percy C. Everett 1945-6-7 11505 Riverside Indian Canyon along Indian Canyon Truck Trail 960 Comment
  UC284800  Mimulus clevelandii P. A. Munz 1923-6-14 7062 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  CAS-BOT-BC9454  Mimulus diffusus Frank Warrington Peirson 1922-4-30 2934 Riverside Hills south of Tuscalota Creek, Aguanga to Hemet Road 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
  RSA192072  Mimulus diffusus E. W. Lathrop 1960-4-15 4758 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  CLARK-A1528-1234  Mimulus floribundus John C. Roos 1937-7-11 396 Riverside Box Springs Mountains 609 Comment
  RSA680492  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9599 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  RSA80440  Mimulus fremontii var. fremontii F. W. Peirson 1920-6-22 4723 Riverside Temescal canyon, western Riverside Co. 305 Comment
  JEPS10766  Mimulus inodorus W. L. Jepson 1903-8-8 2300 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  UCR187286  Mimulus moschatus Diane Menuz, Carlos Navarro 2006-8-4 211 Riverside Peninsular Range; San Jacinto Mtns, along Willow Creek Trail about 700 m east of Saddle Junction 2439 Comment
  UC26854  Mimulus palmeri Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR20879  Mimulus palmeri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UC56261  Mimulus parishii F. Gilman 1902-1 18 Riverside Palm Springs Comment
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Jul 6 2010
  RSA296184  Mimulus pilosus Barry A. Prigge 1980-8-5 3822 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  HSC85247  Minuartia douglasii Steve Boyd 1986-4-20 1724 Riverside Harford Springs County Park, S end the park Comment
  CDA23860  Mirabilis bigelovii var. retrorsa T. C. Fuller 1964-4-14 11827 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  UCR113591  Mirabilis californica A. C. Sanders 1998-1-15 21633 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UCR173154  Mirabilis californica Abby Sirulnik 2000-4-18 12 Riverside South Coast; Perris Basin, Motte Rimrock Reserve, NW of Perris 610 Comment
  UCR182994  Mirabilis laevis Mitch Provance 2003-5-5 4419 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM14174  Mirabilis laevis var. crassifolia P. A. Munz 1922-4-9 4754 Riverside Palm Springs. 76 Comment
  RSA0027982  Mirabilis laevis var. crassifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1461 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
  RSA0123999  Mirabilis laevis var. crassifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9251 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  SEINET3161562  Mirabilis laevis var. retrorsa J. Henrickson 1973-3-18 8609 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 canyon 823 Comment
  SD124695  Mirabilis laevis var. villosa A. C. Sanders, Pitzer, et al. 1986-3-3 6105 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south. 487 Comment
  SEINET12806537  Mirabilis laevis var. villosa Chris Dietrich, M. Merello, H. Schmidt 1994-1 19 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241) BLM land, Desert Access Guide map #17 358 Comment
  UC56250  Mirabilis laevis var. villosa H. M. Hall May 17 1901-Jun 1 1901 1855 Riverside Palm Canyon 457 Comment
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Aug 18 2010
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  JOTR32905  Mohavea confertiflora La Doux, Tasha, Jim Andre 2009-3-10 389 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  OBI8387  Mohavea confertiflora David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12062 Riverside Along Box Cyn rd ca 20 mi ENE of Mecca on Orocopia Mts 274 Comment
  RSA408771  Mohavea confertiflora Martha Hilend 1928-3-11 92 Riverside Morongo Pass, Colorado Desert region. Comment
  RSA726522  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1399 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC69214  Mohavea confertiflora E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains, Colorado Desert Colorado Desert; Santa Maria Mountains, Colorado Desert 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
  UC218265  Monardella breweri subsp. lanceolata P. A. Munz 1922-7-3 5945 Riverside Head of Hemet Valley; San Jacinto Mts. 1524 Comment
  POM192932  Monardella lanceolata var. lanceolata Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
  RSA671  Monardella lanceolata var. lanceolata J. T. Howell 1927-8-2 553 Riverside Near Banning. 671 Comment
  SEINET3996310 Image available Monardella linoides Philip A. Munz 1939-8-14 15380 Riverside Santa Rosa Mountains; ridge east of Toro Peak 2286 Comment
  IRVC2054  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 280 Riverside Santa Rosa Mtns: Palms to Pines Hwy. Peninsular Ranges 1098 Comment
  LA96077  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 94 Riverside Banning-Idyllwild road. 0.75 mi. beyond Stone Creek Comment
  UC1499878  Monardella nana Elizabeth McClintock 1940-10-19 Riverside San Jacinto Mts. Devil's Slide Trail, along upper switchbacks Comment
  RSA750405  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 68 Riverside 1.5 miles E of Ribbonwood. Pines to Palms Highway. Comment
  SEINET2442169  Monardella nana subsp. arida Unknownnown 1941-6-29 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road. Comment
  RSA750286  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 94 Riverside Banning-Idyllwild road. 3/4 mile beyond Stone Creek. Comment
  RSA750292  Monardella nana subsp. tenuiflora Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 100 Riverside Black Mountain, 1.25 miles beyond the snow gate. Comment
  RSA82967  Monardella robisonii G. R. Campbell 1953-11-11 18738 Riverside Botanic Garden Nursery Seedling, from seed collected by P.A. Munz, Dec. 15, 1952 at 3800 ft. elev. in sun about rocks, Stirrup Tank, Joshua Tree National Monument, Mojave Desert. 1159 Comment
  RSA85491  Monardella robisonii G. R. Campbell 1954-2-5 18789 Riverside Nursery Seedling, from seed collected by P.A. Munz, Dec. 15, 1952, at Stirrup Tank, Joshua Tree National Monument, Mojave Desert Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  RSA94162A  Monoptilon bellidiforme F. W. Peirson 1928-4-24 7899 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  CAS-BOT-BC349784  Monoptilon bellioides Faulkner 1978-3-21 334 Riverside 9 miles N. of Blythe on Hwy 95 152 Comment
  CAS-BOT-BC349805  Monoptilon bellioides Geo. B. Grant 1906-4-20 6759 Riverside Palm Springs Comment
  CLARK-A1045-223  Monoptilon bellioides George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; bottom of wash; Lost Horse Mtn. 15'Q Comment
  JEPS31426  Monoptilon bellioides W. L. Jepson 1928-4-25 12608 Riverside below Cottonwood Springs; Eagle Mts. 731 Comment
  JOTR28937  Monoptilon bellioides La Doux, Tasha 2005-3-30 1173 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA3974  Monoptilon bellioides C. B. Wolf 1932-4-29 3112 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  RSA517245  Monoptilon bellioides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1337 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA776335  Monoptilon bellioides Duncan S. Bell, Amanda Turek 2010-4-10 820 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR31295  Montia fontana A. C. Sanders, Theo Glenn 1983-4-17 3727 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA719521  Muhlenbergia filiformis Naomi Fraga, et al. 2006-7-11 1716 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CAS-BOT-BC275254  Muhlenbergia microsperma Rateaver 1944-2-21 59 Riverside Tahquitz Creek, Palm Springs Comment
  POM12146  Muhlenbergia microsperma Mary F. Spencer 1921-5-28 1695 Riverside Saboba Hot Springs Comment
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Apr 1 2013
  UCR116787  Muhlenbergia microsperma A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24159 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR209389  Muilla maritima Fred M. Roberts, Brenda McMillan 1998-3-31 5101 Riverside Paloma Valley, vicinity of Murreta, Ferndale Lane on hill top, 1.4 km southwest of the intersection of Briggs Road and Scott Road 480 Comment
  UCR85643  Myosurus minimus subsp. apus A. C. Sanders 1993-4-5 13691 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
  RSA79156  Nama demissa P. A. Munz, P. C. Everett 1952-5-2 16252 Riverside 2 miles west of Desert Hot Springs. 183 Comment
  UCR279494  Nama demissa A. C. Sanders, Jim Malusa 2017-3-25 42992 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UC69319  Nama demissa var. demissa L. A. Greata Apr. 1905 Riverside Coachella Comment
  POM13913  Nama demissa var. deserti P. A. Munz, D. D. Keck 1922-4-10 4932 Riverside Eagle Mtns. 3 miles northeast of Hay fields. 213 Comment
  CDA40300  Nama hispida T. C. Fuller 1959-4-8 2474 Riverside 5 miles south of Ripley. 0 Comment
  UCD119544  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. west of Blythe on the Mecca Road. Comment
  UCR110373  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 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
  POM10017  Nassella cernua C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  RSA651755  Nassella pulchra E. W. Lathrop 1964-5-10 25 -2 Riverside 14 mi. W. of Murrieta. 610 Comment
  IRVC28863  Navarretia fossalis Mark A. Elvin 2005-5-24 4318 Riverside Perris; E of I-215; in fields just adjacent to San Jacinto River. Southern Coastal 427 Comment
  SD87635  Navarretia intertexta Frank W. Peirson 1922-5-19 4141 Riverside Five miles northeast of Murrieta on road to Perris Comment
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Nov 19 2011
  RSA336176  Navarretia prostrata R. F. Thorne, Walter Wisura 1978-5-21 51965 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  UCR279583  Nemacladus A. C. Sanders, Jim Malusa 2017-3-28 43147 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  LA204524  Nemacladus gracilis Carl Epling; Harlan Lewis 1941-5-7 Riverside 1 mile W of Cottonwood Springs Comment
  HSC85261  Nemacladus longiflorus Steve Boyd 1986-4-22 1753 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UCR121208  Nemacladus ramosissimus D. E. Bramlet 1991-5-10 2143 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
  RSA733947  Nemacladus rubescens Keith E. Hoffmaster 1935-3-31 593 Riverside Palm Springs Comment
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Aug 27 2011
  SEINET10460969  Nemacladus sigmoideus Wagnon 1944-5-20 WAGNON 387 Riverside Alluvial fan, Tachevah Canyon, Palm Springs Comment
  RSA519024  Nemacladus tenuis var. aliformis George K. Helmkamp 1986-4-7 757 Riverside Canyon Just E of and parallel to Hwy 62, above Indian Ave. BLM Land. 579 Comment
  UC1242705  Nemophila menziesii C. L. Hitchcock, C. V. Muhlick 1962-3-16 22135 Riverside 8 mi se Corona (Temescal Canyon); se of Corona, Temescal Canyon Comment
  UC144187  Nemophila menziesii Baker 1904-4-4 4124 Riverside Elsinore Comment
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Jul 4 2010
  UCR164572  Nemophila menziesii S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR543  Nemophila menziesii H. C. Sharma 1976-4-25 760425- 03 Riverside San Jacinto Mtns., Idyllwild - Banning Road, c. 1 mi from junction with Hurley Flats Road. 1372 Comment
  SEINET7063430  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on East Benton Road. UTM Zone 11, 499198mE, 3715007mN. (WGS84/NAD83). 549 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
  JOTR16862  Nicotiana obtusifolia Vanderspek & Youse 1964-4-17 64510 Riverside Joshua Tree National Park. 883 Comment
  UCR128939  Nicotiana obtusifolia Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR132745  Nicotiana obtusifolia Scott D. White 1993-2-5 1044 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR226792  Nicotiana obtusifolia Jim Andre 2011-2-9 15917 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR232046  Nicotiana quadrivalvis John F. Green 2008-4-15 0408- 09 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR275351  Nicotiana quadrivalvis T. B. Salvato, Melissa Clemons 2005-6-9 1494 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA102325  Nolina parryi S. B. Parish, W. F. Parish 1882-06 910 Riverside Coahuilla, San Jacinto Mountains. Comment
  RSA640759  Nolina parryi Russell S. Woglum 1937-5-22 539 Riverside Santa Rosa Mountains. Comment
  UCR155047  Oenothera californica Jason L. Hlebakos 2005-5-30 822 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  POM220053  Oenothera deltoides subsp. deltoides F. R. Fosberg 1932-3-13 8092 Riverside Thousand Palm Canyon, Coachella Valley Comment
  POM355579  Oenothera deltoides subsp. deltoides N. C. Cooper 1949-4-9 3327 Riverside Blythe. 81 Comment
  POM355590  Oenothera deltoides subsp. deltoides Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR263649  Oenothera deltoides subsp. deltoides David Fraker, Aaron C. Sedgwick 2012-3-22 015 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  POM211589  Oenothera stubelii Unspecified s.n. Riverside San Gorgonia River Bridge near Cabazon. Comment
  POM14019  Oligomeris linifolia P. A. Munz, D. D. Keck 1922-4-8 4741 Riverside 1/2 miles east of Indio. -15 Comment
  RSA776298  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2010-4-10 826 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UC217918  Oligomeris linifolia P. A. Munz and D. Keck 1922-4-14 4961 Riverside Indian Wells; Colo<rado> Desert <Colorado Desert>, Indian Wells 106 Comment
  UC634680  Oligomeris linifolia Margaret Stason 1927-2-12 Riverside Thousand Palms Canyon; Colorado Desert, Thousand Palms Canyon Comment
  CHSC109269  Oncosiphon piluliferum Scott D. White; Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  RSA543162  Opuntia basilaris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6092 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  POM83401  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  UCR1116  Opuntia littoralis Peter De Gano 1970-5-7 700507- 01 Riverside City of Riverside, on the other side of the orange grove across from 1117 Linden Street 305 Comment
  SEINET10678635  Opuntia phaeacantha var. discata Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 141 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  HSC84099  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47312 Riverside Rancho California, Mesa de Burro. Santa Rosa Plateau 610 Comment
  UCR85525  Orcuttia californica Scott D. White 1993-4-25 1274 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
  UC455794  Oreostemma alpigenum var. andersonii I. J. Condit 1910-6-22 Riverside Tahquitz Valley San Jacinto Mts. 2438 Comment
  CAS-BOT-BC502874  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert. Blythe--Rice Road, 4 mi S of Browns Well Comment
  UCR58949  Orobanche fasciculata Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  RSA80322  Orthocarpus densiflorus var. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade., south of Hemet. 762 Comment
  SEINET156289  Orthocarpus purpurascens Norman C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  RSA458992  Osmorhiza brachypoda E. Crow 1929-3-17 211 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CLARK-A1703-1219  Paeonia brownii Charlotte Stocks 1964-5-1 Riverside Temecula Comment
  RSA434258  Paeonia californica N. C. Cooper 1947-4-5 2025 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SD7982  Paeonia californica Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  CAS-BOT-BC327938  Palafoxia arida L. A. Greata 1905-4-1 421 Riverside Coachella Comment
  UCD134895  Palafoxia arida B. Pitzer 1997-10-19 3351 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at Powerline Rd. 499 Comment
  UCR89578  Palafoxia arida George K. Helmkamp 1994-3-8 41 9 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA776906  Palafoxia arida var. arida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 962 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR281926  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-9-20 43344 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, Tabaseca big game guzzler in canyon 2.35 km NW (309 deg. ) of Tabaseca Tank 563 Comment
  RSA600856  Palafoxia linearis Marjorie D. Clary 1937-7-9 2793 Riverside W side of Colorado Desert: Coral Reef Ranch, Coachella. Comment
  RSA522094  Panicum capillare Steve Boyd, Orlando Mistretta 1989-7-18 3762 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  RSA653404  Panicum capillare Mitch Provance, A. C. Sanders 2000-7-4 2085 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  RSA0087456  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR96704  Parietaria hespera var. californica A. C. Sanders 1997-3-1 19722 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA746822  Parietaria hespera var. hespera Michael Honer 2003-4-16 1834 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  SD247518  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns: opp. S. Cal. Edison Ivy Glen Substn, Temescal Valley, mouth of Meyhew Cyn , W of I-15 crossing of Temescal Canyon Rd, N of mining operation, 0.6 km SE (101a^z) of Temescal Fire Station (Lake Mathews 7.5'Q) 328 Comment
  UCR120970  Parkinsonia aculeata Jennie Phui 1998-6-3 300 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  RSA0019320  Parkinsonia florida Jim Andre 2012-3-19 21342 Riverside Chuckwalla Valley. Along unnamed dirt road 0.3 mi N of Hwy 177, 5.7 mi NE of Jct with I-10 freeway. 157 Comment
  UC184054  Paspalum urvillei Miss H. A. Gray June 1915 Riverside Palm Spr. R. R. Station Comment
  UCR207309  Passiflora caerulea Darren T. Hasegawa 2007-4-21 s.n. Riverside Peninsular Range, Riverside, UCR campus, along fence of botanic garden subtropical fruit orchard 351 Comment
  RSA0121080  Pectis papposa Sherwin Carlquist 1958-10-12 629 Riverside Eagle Mt., pumping station. Comment
  UCR163057  Pectis papposa B. G. Pitzer, G. R. Ballmer 2000-10-14 4233 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  CAS-BOT-BC355863  Pectis papposa var. papposa Frank W. Peirson 1938-11-12 12636 Riverside Imperial Valley Boulevard, about sea level 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
  POM36803  Pectocarya heterocarpa P. A. Munz 1932-3-14 11993 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA0035940  Pectocarya heterocarpa Deidre Conocchioli, Sarah J. De Groot 2014-1-23 133 Riverside Just off HWY-62 E of 29 Palms. 2.8 miles W of HWY-177, E of the Colorodo River. 104 Comment
  RSA475294  Pectocarya heterocarpa Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2106 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  UCR214423  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37508 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR111561  Pectocarya linearis Mitch Provance 1998-5-4 1710 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR225713  Pectocarya linearis A. C. Sanders 2011-3-30 38914 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  CLARK-A1528-927  Pectocarya linearis subsp. ferocula Patricia A. Andrews 1975-3-13 5901 Riverside Rubidoux Comment
  SBBG55770  Pectocarya linearis subsp. ferocula D. Keil, M. McLeod 1977-3-26 12012 -1 Riverside Hwy 71, 8 mi NW of Lake Elsinore St Recreation area 365 Comment
  UCSB33375  Pectocarya linearis subsp. ferocula Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W of orange grove at 3000 Mc Allister Dr. in Riverside 457 Comment
  CLARK-A1528-2251  Pectocarya penicillata John C. Roos 1966-4-5 Riverside Winchester Comment
  UC551833  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside near Hemet; St John's Grade 770 Comment
  UCR804  Pectocarya penicillata J. E. Dimitman 1957-4-1 s.n. Riverside at the top of Pigeon Pass Comment
  SEINET241497  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside Western Colorado Desert: Coachella Vlly, Garnet, N side of 19th Ave, 0.5 mi(air) NW of intersxn of I-10 & Indian Ave. 235 Comment
  UC2015546  Pectocarya recurvata A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 16000 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UC2015644  Pectocarya recurvata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16080 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR167451  Pectocarya recurvata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR256761  Pectocarya recurvata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7887 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA679823  Pectocarya setosa LeRoy Gross, Valerie Soza 2003-5-8 826 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA425316  Pedicularis semibarbata N. C. Cooper 1944-6-17 1409 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  RSA747516  Pellaea andromedifolia Justin M. Wood 2009-3-10 344 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UCR101469  Pellaea andromedifolia A. C. Sanders 1997-3-19 20025 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  UCR145568  Pellaea andromedifolia Robert Whittaker, W. A. Niering 1963-5-28 SJ- 37 Riverside San Jacinto Mountains, Mountain Center to Hemet Hwy 976 Comment
  SEINET9628401 Image available Pellaea andromedifolia E. K. Balls, P. C. Everett 1957-11-13 22796 Riverside Snow Creek, n. base, San Jacinto Mts. Comment
  CAS-BOT-BC71529  Pellaea mucronata var. californica S. B. Parish; W. F. Parish 1881-7-1 511 Riverside San Jacinto Mts. Comment
  JOTR29594  Pellaea mucronata var. mucronata Andre, Jim 2006-4-26 6773 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  RSA604850  Pellaea mucronata var. mucronata Scott D. White 1995-3-30 2651 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr. 579 Comment
  RSA300468  Penstemon californicus Walter Wisura 1982-6-5 3831 Riverside Near SE base of Pyramid Peak along Pacific Crest Trail 2073 Comment
  UCR35258  Penstemon californicus L. B. Ziegler 1967-5-31 139 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  RSA680523  Penstemon rostriflorus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8630 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA285606  Penstemon spectabilis D. C. Michener 1980-6-13 3680 Riverside At east end of Thomas Mtn road above Garner Valley. Comment
  UCSB12642  Penstemon spectabilis Creighton, B. 1961-5-6 Riverside 7.8 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  JEPS26107  Penstemon spectabilis var. spectabilis Peter H. Raven 1958-5-17 12952 Riverside on road to Idyllwild 7.4 mi se Banning (San Jacinto Mountains); , se of Banning rd to Idyllwild Comment
  NY661151  Penstemon spectabilis var. spectabilis E. K. Balls 1953-8-19 18534 Riverside 1-1.5 miles west of Anza along highway from Anza to Aguanga 1219.2 Comment
  POM13196  Pentachaeta aurea P. A. Munz, I. M. Johnston 1922-5-20 5474 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA673716  Pentachaeta aurea Scott D. White, W. LaHaye 2000-5-27 7953 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA773473  Pentachaeta aurea Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 A Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  SBBG133365  Pentachaeta aurea S. D. White, J. M. Wood 2008-5-15 11987 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  CAS-BOT-BC71580  Pentagramma triangularis subsp. maxonii Ivan Johnston 1917-4-4 1045 Riverside Palm Canyon 274 Comment
  SEINET6626631  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  SEINET9259737 Image available Pentagramma triangularis subsp. triangularis George K. Helmkamp, Amy Barnes 2013-1 22311 Riverside Sierra Nevada Mountains Foothills: Utica Powerhouse Road (beside Angel's Creek), 0.6 mile northeast of its junction with CA-4 (Murphys 7.5 Q) 974 Comment
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Apr 12 2018
  SEINET9628508 Image available Pentagramma triangularis subsp. triangularis C. J. Rothfels, M. D. Windham, J. Beck, A. L. Grisz, E. Schuettpeltz, K. Pryer 2008-5-14 2558 Riverside San Jucinto Mountains, San Bernardino National Forest, South Fork Canyon, south side of Hwy 74, approx. 5.5 km west of Mountain Center (as the crow flies). 651 Comment
  JEPS24878  Perityle emoryi Peter M. Ray 1949-3-6 1321 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  JOTR37437  Perityle emoryi Hodges, Stephen R., T. Hender 2015-12-30 559 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road, near Park Boundary (Stop 2) Comment
  RSA515203  Perityle emoryi Steve Boyd, Orlando Mistretta 1986-3-13 1478 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  UC35634  Perityle emoryi S. B. Parish Apr 4 1896-Apr 13 1896 4147 Riverside Agua Caliente, desert base of San Jacinto Mt. San Jacinto Mt., Palm Springs 152 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
  SEINET3094522 Image available Petalonyx thurberi E. R. Blakley 1952-8-17 B- 1556 Riverside Shavers Summit. Comment
  SEINET3155077  Petalonyx thurberi L. S. Rose 1938-12-19 38324 Riverside 6 miles S of Cathedral City 46 Comment
  JOTR35988  Petalonyx thurberi subsp. thurberi Harding, Mitzi, Mark Wheeler 2012-9-4 199 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  RSA652293  Petalonyx thurberi subsp. thurberi Toppenberg 1961-5-5 s.n. Riverside Hwy 74 Palms to Pines, near Palm Desert. Comment
  POM264161  Petunia parviflora J. C. Roos 1937-6-7 498 Riverside South of Sage. Comment
  UCR110405  Petunia parviflora A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23174 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  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
  UCR20986  Petunia parviflora A. C. Sanders, Steve Boyd 1980-5-19 1478 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  CAS-BOT-BC326842  Peucephyllum schottii H. M. Hall; L. A. Greata 1905-4-1 5849 Riverside Near Dos Palms [Dos Palmas], Colorado Desert Comment
  RSA696804  Peucephyllum schottii J. R. Bruff 1932-3-21 s.n. Riverside Base at slope at Spring. 1000 Palms. Comment
  SBBG8666  Peucephyllum schottii K. K. Muller 1952-4-6 559 Riverside E of Shaver Summit Comment
  SDSU6597  Phacelia affinis H. Wedberg 1962-4-20 908 Riverside 1219 Comment
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Jan 24 2013
  RSA525296  Phacelia ambigua Walter Wisura 1991-4-28 4487 Riverside Frontage Road off I10 near pump station in Pinkham Wash area. Comment
  RSA775500  Phacelia campanularia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4473 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR116811  Phacelia campanularia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23941 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA296753  Phacelia campanularia Lyman Benson 1945-3-29 11626 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  UC1087288  Phacelia cicutaria var. hispida E. K. Balls and P. C. Everett 1958-3-19 22873 Riverside hills 1 mi e Hwy. 17 to Elsinore 198 Comment
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Mar 1 2014
  UCR116856  Phacelia cicutaria var. hispida A. C. Sanders, Steven R. Hill 2001-5-4 24137 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR104644  Phacelia ciliata D. E. Bramlet 1993-3-30 2303 Riverside South Cajalco Bend. The site is located some 1.5 m south of Cajalco Road, at a location 3.2 km east of the intersection of Cajalco Road and Sierra Ave. The site is approximately 5m east of the intersection with the Monument Peak Road. 451 Comment
  CAS-BOT-BC133964  Phacelia crenulata Mrs. Jos. Clement 1922-4-10 s.n. Riverside Mecca Comment
  JOTR37494  Phacelia crenulata var. ambigua Hodges, Stephen R., L. Ashfield 2016-1-20 623 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UC572247  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6409 Riverside 3 mi n Palm Springs; San Jacinto Quadrangle 213 Comment
  UCR74369  Phacelia crenulata var. ambigua Theo Glenn 1991-4-30 92- 71 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCR88426  Phacelia cryptantha A. C. Sanders, K. C. Rose 1995-4-5 16351 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  POM13317  Phacelia curvipes E. C. Jaeger 1920-4-12 s.n. Riverside Old Nicholas Canyon. Santa Rosa Mountains. Comment
  CLARK-A1045-321  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of hills, north of the Malki Museum; ; Cabazon 7.5'Q Comment
  RSA192000  Phacelia distans E. W. Lathrop 1959-4-16 4467 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA4908  Phacelia distans Carl B. Wolf 1932-4-27 3024 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA658860  Phacelia distans J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA784769  Phacelia distans Duncan S. Bell 2012-3-18 3173 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
  RSA792625  Phacelia distans Robert F. Thorne 1995-3-29 63027 Riverside White Water Canyon. 600 Comment
  UCR142240  Phacelia distans June Latting 1979-4-1 s.n. Riverside Box Springs Mountain 915 Comment
  UCR201488  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UC454114  Phacelia imbricata subsp. patula I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1676 Comment
  RSA523477  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3937 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  RSA6019  Phacelia mutabilis Carl B. Wolf 1932-8-5 3936 Riverside North side of Tahquitz Valley, along the trail on the divide to San Jacinto Peak. 2561 Comment
  RSA480099  Phacelia neglecta Steve Boyd, L. Arnseth, S. Meury, D. Nordin, Tim Ross 1988-3-10 2188 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA428151  Phacelia parryi N. C. Cooper 1944-6-4 2020 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR102930  Phacelia parryi George K. Helmkamp 1998-4-3 3063 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA666662  Phacelia stellaris O. F. Clarke, Helga Forster 2000-03 s.n. Riverside Riverside, west of Santa Ana River oppsoite the south end of Mt. Rubidoux, SE of Flabob Airport, s of bend in Crestmore Rd. and 2 mi. S of Mission Blvd., E of co. Parks Hqtrs. 229 Comment
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Feb 7 2007
  RSA234035  Phalaris caroliniana R. F. Thorne, Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  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
  CDA2322  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley. West edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. Comment
  RSA0120627  Phoenix canariensis Duncan S. Bell, Thomas Stoughton 2016-3-16 8941 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  JOTR35430  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  SEINET3091377 Image available Pholistoma auritum J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, S of town of Murrieta; SW of Mesa de Burro. 579 Comment
  RSA550020  Pholistoma membranaceum Walter Wisura, A. King, L. Newcomb 1992-4-10 4677 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA420767  Phoradendron californicum M. B. Dunkle 1934-3-18 3857 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  UC217921  Phoradendron californicum P. A. Munz and D. Keck 1922-4-14 4992 Riverside Colorado Desert, Indian Wells 106 Comment
  UCR260262  Phoradendron californicum A. C. Sanders, Jim Malusa 2015-3-11 41402 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  POM354322  Phoradendron macrophyllum N. C. Cooper 1943-10-9 956 Riverside Hemet. On Populus. Fremontii Wats. Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  RSA482012  Phoradendron villosum Richard Noyes, L. Arnseth 1988-9-10 723 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  UCR239828  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM118489  Physalis crassifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA134368  Physalis crassifolia L. S. Rose 1959-1-15 59015 Riverside Rancho El Mirage. 61 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
  SBBG29194  Physalis crassifolia K. K. Muller 1967-9-14 1421 Riverside 5 mi E of Indio Comment
  UC520041  Physalis crassifolia A. N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  CAS-BOT-BC60795  Physaria tenella Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  SEINET2149955  Pinus californiarum S. Langer 2000-1 s.n. Riverside Thomas Mountain area. 1524 Comment
  POM11516  Pinus flexilis Philip A. Munz 1922-6-28 5886 Riverside Santa Rosa Mts. Toro Peak. 2439 Comment
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Mar 28 2014
  RSA651153  Pinus monophylla Peter Gail 1961-5-13 sn Riverside Pinyon Creek State Park. on Palms to Pines Hwy. Comment
  UCD134855  Pinus monophylla Lionel A. Stange 1956-3-31 s.n. Riverside Burn's Spring. Comment
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Mar 13 2014
  CDA18001  Pinus quadrifolia L. D. Merrill 1999-8-27 s.n. Riverside Burnt Valley Rd, Santa Rosa Mtns. 0 Comment
  NY62441  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCSB41941  Pinus quadrifolia Ericson, Trudy 1974-11-9 Riverside St. 74 toward Palm Desert; about 4 1/2 mi. east of intersection with St. 71 1432 Comment
  SEINET7063135  Plagiobothrys canescens A. G. Vestal 1963-3-26 s.n. Riverside Near Wood Canyon ?, Banning. UTM Zone 11, 511375mE, 3751508mN. (WGS84/NAD83). 701 Comment
  UCR112562  Plagiobothrys canescens A. C. Sanders 1998-3-11 21694 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  RSA659769  Plagiobothrys canescens var. canescens J. C. Roos 1952-4-30 5605 Riverside Hills between Camp Haan and Riverside 518 Comment
  UCD120788  Plagiobothrys collinus A. C. Sanders; Carolyn Washburn 2001-5-10 24232 Riverside Perris-Aguanga Basin: 1 mi. S of Winchester on the east side of Hwy 79 (Winchester Rd.) just S of Patton Ave. 488 Comment
  UCR120654  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1809 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA0050590  Plagiobothrys collinus var. californicus A. C. Sanders 2013-3-27 40684 Riverside Penninsular Range: Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  RSA625810  Plagiobothrys collinus var. fulvescens Scott D. White, Julie Greene 1997-3-12 4769 Riverside Pedley area, S foot of Jurupa Hills: Just N of SR 60 Freeway at Pedley exit. 274 Comment
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Apr 2 2011
  SBBG87855  Plagiobothrys jonesii A. C. Sanders, Charlton, Pitzer, Stewart et al 1986-3-2 6063 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mtns 502 Comment
  RSA659779  Plagiobothrys leptocladus J. C. Roos 1966-3-24 s.n. Riverside Edgemont. Comment
  RSA85111  Plagiobothrys nothofulvus J. C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  UCR113198  Plagiobothrys tenellus A. C. Sanders 1998-3-11 21662 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  RSA401992  Plantago erecta Ora M. Clark 1929-4-6 1960 Riverside S of Hemet. Comment
  RSA615133  Plantago erecta A. C. Sanders, G. K. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area, lower Rawson Canyon, along the dirt road toward Bachelor Mtn 457 Comment
  SEINET9163016  Plantago lanceolata G. R. Hall 1908-1 8485 Riverside Riverside. Comment
  OBI36036  Plantago ovata David J. Keil 1976-12-12 11917 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  UC1595788  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4626 Riverside 7.7 mi ne Mecca (on Box Canyon Rd) Comment
  UCR249524  Plantago ovata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7293 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
  POM46962  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-22 1487 Riverside Palm Springs. 122 Comment
  RSA68981  Plantago ovata var. fastigiata F. W. Peirson 1926-2-22 6510 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  RSA401949A  Plantago patagonica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SEINET1109636  Plantago patagonica A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-1 16240 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  LA206260  Platystemon californicus Elizabeth McClintock; 1938-5-30 sn Riverside San Jacinto Comment
  RSA586844  Platystemon californicus D. L. Banks, Peter Morrell 1995-5-4 311 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 732 Comment
  SD137694  Platystemon californicus Darin L. Banks, Peter Morrell 1995-5-4 311 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slospe of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 730 Comment
  UC167976  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  RSA697726  Pleuraphis rigida J. Russell Bruff s.n. Riverside Palm Springs. Comment
  RSA779620  Pleuraphis rigida Duncan S. Bell 2010-4-1 658 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA796019  Pleuraphis rigida Duncan S. Bell 2009-4-18 233 Riverside Arica Mountains; northeast of range, approximately 1 air mile south of the ghost town of Rice. 248 Comment
  UCSB26331  Pleuraphis rigida Joseph Keefe 1967-3-23 1615 Riverside Collected 3.8 mi N, along 29 Palms Highway, in the Morongo Valley Mission Creek Road - 29 Palms Highway and Mission Creek Road 777 Comment
  RSA472096  Pleurocoronis pluriseta M. B. Dunkle 1933-5-6 3431 Riverside Canyon N of Catherdral Canyon Comment
  JEPS40437  Pluchea sericea W. L. Jepson May 17 1901-Jun 1 1901 1375 Riverside Palm Canyon and return to Van Deventer's Comment
  SDSU17532  Pluchea sericea Jerry Jenkins 2001-4-2 2001 -049 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UCR234246  Pluchea sericea A. C. Sanders, T. B. Salvato 2012-4-27 40092 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UC39615  Poa bolanderi H. M. Hall July, 1901 2573 .5 Riverside vicinity of Deer Springs Deer Springs; San Jacinto Mts 2743 Comment
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Jul 28 2006
  RSA747968  Poa bulbosa Justin M. Wood 2009-5-11 686 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA801723  Poa howellii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6168 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  SEINET1911032  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12260 Riverside San Jacinto Mountians: Meadows at Baldy Mtn. 1585 Comment
  UCR201667  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR106051  Poa secunda A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20663 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR92675  Poa secunda Scott D. White 1994-5-4 2014 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UC1022815  Poa secunda subsp. secunda Philip A. Munz 15658 Riverside 2 mi n Banning (Indio Blvd); Whitewater Canyon Comment
  UC39727  Poa secunda subsp. secunda H. M. Hall 1899-5-22 1143 Riverside Sacate Verde; San Jacinto Mts 1389 Comment
  POM153378  Polygonum amphibium var. emersum P. A. Munz, I. M. Johnston 1928-9-12 11261 Riverside Temescal Canyon, Lee's Lake. Comment
  RSA466297  Polygonum bistortoides Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
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Nov 29 2010
  CAS-BOT-BC414404  Polygonum douglasii H. M. Hall 1901-7-1 2446 Riverside San Jacinto Mountains 2438 Comment
  RSA602394  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 miles NNE of Palo Verde: Ave 32 and Rannells Blvd. Comment
  POM9369  Polypodium hesperium Robert Kessler 1921-10 s.n. Riverside North side of Tahquitz Peak, San Jacinto Mountains Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  SDSU13013  Polypogon monspeliensis Michael G. Simpson 1999-10-27 2028 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR174238  Polypogon monspeliensis A. C. Sanders, T. B. Salvato 2006-6-2 33080 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR90617  Polypogon monspeliensis Scott D. White 1995-6-29 3403 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  CAS-BOT-BC237462  Polypogon viridis John Thomas Howell 1959-9-26 35069 Riverside San Jacinto Mountains: Bautista Canyon 951 Comment
  IRVC169  Polystichum imbricans subsp. curtum Bruce Reynolds 1965-4-24 HS 557 Riverside Route 74; 1/4 mile S of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  UC1543099  Porophyllum gracile Donald G. Nelson 1936-5-22 393 Riverside on trail down to stream in Palm Spring Canyon; Ribbon Wood Camp, Pines to Palms Highways, Santa Rosa Mounta Comment
  POM366583  Potentilla gracilis var. elmeri Anstruther Davidson 1920-07 3401 Riverside Idlywild. [Idyllwild.] Comment
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Nov 29 2014
  UC537210  Potentilla wheeleri M. E. Jones Sep 1933 Riverside San Jacinto Mountains Comment
  UCR211500  Proboscidea althaeifolia Jim Andre, T. La Doux 2008-9-13 10267 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along dirt road c. 2 mi. north of Desert Center, 0.5 mi. west of Tamarisk Golf Course/Kaiser Road jct. 234 Comment
  UCR116946  Proboscidea louisianica A. C. Sanders, D. Malueg 2001-5-17 24355 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCSB28886  Prosopis glandulosa var. torreyana Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  RSA0048468  Prosopis juliflora var. torreyana A. Lee Haines 1962-4-17 s.n. Riverside Box Canyon. 274 Comment
  POM296515A  Prunus fasciculata Lyman D. Benson 1954-5-2 15277 Riverside Hidden Valley Camp, Joshua Tree National Monument. Mojave Desert Drainage Area. 1341 Comment
  CAS-BOT-BC151122  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road, Andreas Canyon near Palm Springs 609 Comment
  SD216523  Prunus fremontii Jay B. Walker, Noah C. Goldstein 1995-3-21 1266 Riverside West of Palm Desert along Highway 79, 3 kilometers east of Pinyon Flat Campground 1200 Comment
  UC861037  Prunus fremontii Ivan Johnston Apr 4 1917-Apr 6 1917 1101 Riverside Colorado Desert, Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 304 Comment
  RSA787088  Prunus ilicifolia Doris Bowers 1972-4-15 1817 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UC729658  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek Canyon, just above fish hatchery, n base of San Jacinto Mountains Snow Creek Canyon; San Jacinto Mountains, Snow Creek Canyon 670 Comment
  CLARK-A1528-285  Psathyrotes ramosissima Markell Kohn 1959-2-3 Riverside Desert Center Comment
  RSA15495  Psathyrotes ramosissima L. S. Rose 1935-12-23 35686 Riverside 7 miles south of Cathedral City 152 Comment
  RSA472313  Psathyrotes ramosissima M. B. Dunkle 1933-5-6 3445 Riverside Painted Canyon, Colorado Desert 30 Comment
  SEINET6081899  Psathyrotes ramosissima Unknown 1932-4-26 Riverside 5 miles east of Mecca on Blythe Road. Comment
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Nov 7 2015
  UCR279561  Psathyrotes ramosissima A. C. Sanders, Jim Malusa 2017-3-29 43169 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  SDSU13557  Pseudognaphalium biolettii W. Miller with C. Mosse 1972-7-20 Riverside Comment
  JOTR32526  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA286801  Psilocarphus brevissimus R. F. Thorne 1974-5-23 44668 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  RSA85082  Psilocarphus brevissimus J. C. Roos 1952-4-30 5601 Riverside Edgemont, near Box Springs 488 Comment
  CAS-BOT-BC361783  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37436 Riverside Santa Rosa Plateau: Mesa de Colorado 670 Comment
  SD68961  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, P. A. Munz and L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau on Mesa de Colorado, Rancho California. 675 Comment
  UCD170847  Psorothamnus arborescens var. simplicifolius S. J. Myers 2014-5-21 1065 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10. 407 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  HSC14686  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  RSA498337  Psorothamnus emoryi Martha Hilend 1928-3-24 s.n. Riverside Wash N of Palm Wash, SW of Fish Springs Comment
  UC555344  Psorothamnus emoryi Herbert L. Mason 1928-3-10 4195 Riverside White Water River Comment
  UCR245747  Psorothamnus emoryi Duncan S. Bell 2009-4-18 211 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  SBBG21967  Psorothamnus fremontii R. F. Thorne 1964-5-3 33849 Riverside near hwy ca. 4 mi S of Morongo Valley, ca. 3 mi S of San Bernardino Co line Comment
  CAS-BOT-BC340872  Psorothamnus schottii L. A. Greata 1905-4-1 426 Riverside Coachella 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
  UC1329933  Psorothamnus schottii James E. Cole 1941-4-16 602 Riverside Southern edge of Riverside County Comment
  UCR161369  Psorothamnus schottii Mark A. Elvin 2005-4-26 4224 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley: N of Agua Caliente Indian Reservation; N of Ramon St; 3km NW of Thousand Palms 183 Comment
  UCR201995  Psorothamnus schottii Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  CAS-BOT-BC340946  Psorothamnus spinosus John Thomas Howell 1928-1-28 3291 Riverside Thousand Palms, Colorado Desert Comment
  CAS-BOT-BC340949  Psorothamnus spinosus E. R. Johnson 1928-6-8 s.n. Riverside Along highway south of Mecca on west side of Salton Sea Comment
  CAS-BOT-BC340963  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 243 Comment
  RSA796110  Psorothamnus spinosus Duncan S. Bell 2009-4-20 321 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG3321  Psorothamnus spinosus H. and M. Dearing 1942-1-17 4786 Riverside near Cathedral City Comment
  CAS-BOT-BC421249  Pterostegia drymarioides Milo S. Baker 1928-4-3 2818 b Riverside Tahquitz Canon [Canyon] near Palm Sps. Comment
  CAS-BOT-BC421263  Pterostegia drymarioides H. M. Hall 1901-6-1 2080 Riverside San Jacinto Mountains. South slopes in the vicinity of Chalk Hill 1402 Comment
  POM8825  Pterostegia drymarioides Mary F. Spencer 1920-7-4 s.n. Riverside [Palm?] Canyon 183 Comment
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Nov 19 2011
  RSA245520  Pterostegia drymarioides Larry E. DeBuhr 1973-3-29 941 Riverside About 3 miles north of I-10 along Hwy 62. Comment
  UCR18121  Pterostegia drymarioides A. C. Sanders 1978-4-2 567 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UCR81114  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 Riverside Southern Santa Ana Mountains, San Mateo Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 671 Comment
  SEINET10677907  Quercus X acutidens Greg Gust, Leith Nye 2005-3-11 Gust 541 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1 mile W of Lake Elsinore on hill slope pullout river basin. 481 Comment
  UCR169247  Quercus X acutidens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 75 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  CAS-BOT-BC86600  Quercus X munzii Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshue Tree National Monument 1219 Comment
  SEINET13953018 Image available Quercus agrifolia Scott D. White 1996-1 3874 Riverside Elsinore Basin, Bundy Cyn, SE of Lk Elsinore, about 1 road mi (+/- .2 mi) E of Bundy Cyn Rd exit from I-15 Freeway; USGS Lake Elsinore 1.5' topo map) S of road along mapped intermittent blueline stream [Quercus agrifolia riparian woodland, w/ Salix laevigata, plntanus racemosa] and adjacent N and W facing slopes 451 Comment
  POM49846  Quercus agrifolia var. agrifolia P. A. Munz, IM Johnston 1924-7-29 8884 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  UCR168032  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 580 Riverside San Bernardino National Forest: San Jacinto Mountains, 2.3 mi. west of Santa Rosa Mountain Rd on SR 74 at Vandeventer Flat 1430 Comment
  UCR262390  Quercus agrifolia var. oxyadenia Tom Scott 2011-1 2011- 576 Riverside San Bernardino Mtns., south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning 863 Comment
  HSC34608  Quercus berberidifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 520 Riverside Cleveland National Forest, Hwy. 74 between San Juan Capistrano and Lake Elsinor near Upper San Juan Campground, Comment
  RSA234090  Quercus berberidifolia Robert F. Thorne, E. W. Lathrop 1969-6-6 39348 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA519253  Quercus berberidifolia Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD254631  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and Hgighway 60. 654 Comment
  UCR235077  Quercus berberidifolia A. C. Sanders, John F. Green 2012-6-1 40236 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, just SE of I-15 junction with Horsethief Cyn. Rd., c. 7 miles N of Lake Elsinore 377 Comment
  UCR241939  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range, Temescal Canyon, east of Glen Ivy near where Temescal Canyon Rd. passes under I-15 318 Comment
  UCR261968  Quercus berberidifolia Tom Scott 2011-1 2011- 571 .4 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 6.5 miles up canyon 1492 Comment
  SEINET2066575 Image available Quercus chrysolepis David Charlton 1988-5-28 2128 Riverside Santa Rosa Mountains, S of Hwy 74 dirt road to Toro and Santa Rosa Peaks, Toro Camp Area 2286 Comment
  UC488911  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunders Meadows San Jacinto Mts. 1737 Comment
  UCSB1061  Quercus chrysolepis Neely, William 1948-10-3 Riverside Hill slopes of Fern Valley, Idyllwild, San Jacinto Mts. 2072 Comment
  JOTR35508  Quercus cornelius-mulleri La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3195 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  RSA296122  Quercus cornelius-mulleri Barry A. Prigge 1980-8-11 3898 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  RSA39262  Quercus cornelius-mulleri P. A. Munz 1946-10-19 11568 Riverside 1 miles east of Anza. 1159 Comment
  RSA192356  Quercus engelmannii E. W. Lathrop 1965-9-22 6028 Riverside 8 miles west of Murrieta. Comment
  SBBG119972  Quercus engelmannii A. C. Sanders with M. Misenhelter 2005-3-23 29264 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UCR25725  Quercus engelmannii John LaSalle 1982-4-29 s.n. Riverside Santa Rosa Plateau, Mesa de Colorado, west of Murrieta. Comment
  CAS-BOT-BC105323  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Mts, Santa Rosa 1981 Comment
  CAS-BOT-BC104314  Quercus palmeri J. E. Cole 1947-2-6 1001 Riverside Lower Covington Flat 1463 Comment
  RSA654163  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  SD229180  Quercus palmeri Dick Schwenkmeyer 2012-3-26 671 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
  RSA176348  Rafinesquia neomexicana R. F. Thorne 1963-3-29 32382 Riverside 7-8 miles east of Mecca, Mecca Hills 152 Comment
  UCR233701  Rafinesquia neomexicana Duncan S. Bell 2010-5-1 891 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 10.5 air miles SW of Rice, c. 2.6 air miles S of the junction of Hwy 62 and the aqueduct access road 291 Comment
  SEINET1909588  Ranunculaceae A. C. Sanders 2004-1 27558 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  SDSU10077  Ranunculus aquatilis W. T. Williams 1962-5-12 Riverside San Jacinto Mountains, 8.0 miles on Hwy beyond Idyllwild, North side of road in lake by park, Northeast of lake. 1890 Comment
  RSA286793  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
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Apr 27 2011
  UCR136277  Ranunculus californicus A. C. Sanders 2004-4-20 27558 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  POM201672  Ranunculus cymbalaria var. saximontanus L. M. Booth 832 Riverside near Chino Creek Comment
  RSA400244  Ranunculus cymbalaria var. saximontanus Mark Morris 1929-3-17 14900 Riverside Palm Canyon. Comment
  RSA0036812  Raphanus sativus Robert MacGregor 1984-5-19 5 Riverside Lake Elsinore, CA Hwy 74, 1 mi W of junction with 15E Freeway, N side of road. Comment
  RSA701472  Rhamnus crocea M. Wall 1996-6-26 184 Riverside S of beaumont, 1.8 mi S of Fwy 10, canyons W of Hwy 79. Associated plants include: Adenostoma fasciculatum, Cercocarpus betuloides, Quercus berberidifolia, Prunus illicifolia, and Salvia mellifera. Comment
  CAS-BOT-BC56044  Rhamnus ilicifolia H. E. McMinn 1925-7-1 1489 Riverside Control at base of grade to Idyllwild, San Jacinto Mts. Comment
  RSA391104  Rhamnus ilicifolia Christopher Davidson, B. Gustafson 1977-4-7 5596 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  SBBG44538  Rhamnus ilicifolia W. B. Holt 1941-10-23 18 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  SDSU10369  Rhamnus ilicifolia H. Wedberg 1962-7-28 985 Riverside About 7.0 mils from Hemet on the road ro Mountain Center, near the 2000' sign. 610 Comment
  UC877123  Rhododendron occidentale I. W. Clokey, E. G. Anderson 1935-8-21 6783 Riverside Fuller's Creek 1500 Comment
  JEPS66244  Rhus integrifolia M. F. Barnes March, 1920 Riverside Box Springs Mt., near Riverside; Box Springs Mt. Comment
  UCR167851  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-2 1338 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  JEPS66258  Rhus ovata W. L. Jepson 1901-5-18 1258 Riverside San Jacinto River, upper San Jacinto Valley San Jacinto River (from Riverside to Santa Rosa Peak and Palomar); San Jacinto Valley, San Jacinto River 548 Comment
  SD144093  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR177109  Rhus ovata Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1108 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR79261  Ribes californicum var. hesperium Steve Boyd, Orlando Mistretta 1992-4-22 6994 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  SD135247  Ribes cereum var. cereum Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak towards saddle with Toro Peak Comment
  RSA40801  Ribes indecorum Unspecified 1949-3-4 12813 Riverside Indian Canyon, Santa Ana Mts. Comment
  UCR47227  Ribes indecorum B. G. Pitzer, Jack Easton 1987-3-10 405 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UCR60639  Ribes malvaceum C. B. Wolf 1932-2-11 02643 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  SEINET272331 Image available Ribes quercetorum A. C. Sanders, OF Clarke; H Forester 1997-3-2 19766 Riverside Box Spr Mtns: E side of the range in Pigeon Pass area above W end of Quail Call Dr cyn just W of section line. UTM 10k 610 Comment
  UC219170  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  RSA315  Romneya coulteri J. T. Howell 1928-7-7 1036 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  RSA34604  Romneya coulteri N. C. Cooper 1944-6-4 1327 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR110381  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 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
  UCR188225  Rosa californica Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1698 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  POM122727  Rubus ursinus Marcus E. Jones 1925-3-13 s.n. Riverside Santa Ana Canyon. Comment
  UC1178625  Rumex salicifolius var. salicifolius Peter Kamb 1948-7-3 1139 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UC64584  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  UC6967  Rumex salicifolius var. salicifolius H. M. Hall Jul 1901 2525 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC6968  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 2474 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  UCR86032  Sagina decumbens subsp. occidentalis Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  CLARK-A1528-595  Salazaria mexicana Charlotte Stocks 1962-6-15 Riverside San Jacinto Mountains 1066 Comment
  JEPS62514  Salazaria mexicana W. L. Jepson 1901-5-22 1383 Riverside Palm Canyon and return to Van Deventer's; Palm Canyon, Van Deventer's 914 Comment
  UC1136469  Salicornia virginica A. Lewis 1934-5-19 453 Riverside Lakeview Elsinore Quad. 426 Comment
  POM319273  Salix exigua Patricia Wilder 1971-3-20 4905 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA701400  Salix exigua Steve D. Boyd, Aydee Virgen 2004-4-13 10860 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  JOTR31800  Salix exigua var. exigua La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2102 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  SBBG54388  Salix exigua var. hindsiana P. Wilder 1971-9-29 5276 Riverside E of Hemet, Valle Vista at N end of Fairview Street, N of Florida Street Comment
  UC506446  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-19 7677 Riverside Comment
  UCR116411  Salix gooddingii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24177 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR89775  Salix gooddingii 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
  SEINET10539065  Salix gooddingii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3742 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  JOTR35495  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  SEINET1004492  Salix laevigata T. B. Salvato, Kent Beaman 2005-1 840 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  RSA192152  Salsola tragus E. W. Lathrop 1965-9-22 6023 Riverside 8 miles west of Murrieta; plateau of the Santa Ana Mts. 610 Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  UC908107  Saltugilia australis Frank W. Peirson 1921-3-22 4136 Riverside Murray Canyon Colorado Desert, Murray Canyon Comment
  UCR118400  Saltugilia australis A. C. Sanders 1994-5-30 14584 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 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
  UCR251976  Saltugilia splendens A. C. Sanders, T. B. Salvato 2014-7-2 41173 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  POM13571  Salvia apiana P. A. Munz 1922-6-26 5829 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  RSA618409  Salvia apiana D. L. Banks 1997-5-5 1967 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET7970252  Salvia carduacea I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-1 4624 Riverside Perres, Gavilan Peak. 600 Comment
  UCR35342  Salvia carduacea L. B. Ziegler 1967-2-20 111 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  CSUSB1061  Salvia columbariae J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  RSA197274  Salvia columbariae L. B. Ziegler 1965-11-10 s.n. Riverside Along a road about one mile N of Kenworth Ranger Station, Hemet Valley. 1524 Comment
  UC519843  Salvia columbariae N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Springs Comment
  UCR165412  Salvia columbariae A. C. Sanders 2005-4-21 29563 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR227459  Salvia columbariae Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 173 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, wash route off Hwy 195/Box Canyon Road, near wilderness boundary 366 Comment
  RSA0003950  Salvia columbariae var. ziegleri L. B. Ziegler 1964-9-8 s.n. Riverside San Jacinto Mts., north of Kenworthy Ranger Sta., Hemet Valley. 1524 Comment
  CAS-BOT-BC221087  Salvia eremostachya L. Haines; L. Erickson 1937-4-10 s.n. Riverside Palms-to-Pines Highway near road to Shumay [Shumway] Comment
  RSA356609  Salvia eremostachya Robert F. Thorne 1966-10-15 41814 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA736545  Salvia mellifera Scott D. White, Angelia Carey 2004-7-2 10588 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET11587887  Salvia mellifera T. Salvato, Marcs, Rari 2016-4-26 8358 Riverside Santa Ana Mountains Comment
  UCR162874  Salvia mellifera T. B. Salvato, Kelly Volansky 2003-3-27 130 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR172792  Salvia mellifera Wayne Law, Jun Hu 2000-5-16 14 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  CAS-BOT-BC233338  Salvia vaseyi Barbara Ertter; Jeffrey Strachan 1980-5-20 3477 Riverside Highway 74, Pines to Palms Highway near Black Hill between Pal Desert and Santa Rosa Mountain 914 Comment
  CAS-BOT-BC233347  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  UCR174520  Sambucus mexicana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32495 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
  UC1929753  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside TEMESCAL CANYON: Just west of I-15 Freeway and northeast of Lawson Dr. Comment
  HSC86140  Sarcodes sanguinea B. Freeman 1969-6-12 6906121 Riverside San Jacinto Mtns. University of California James Reserve. Near stream S of lodge Comment
  RSA605785  Schinus molle Scott D. White 1996-2-18 3810 Riverside Perris Basin: Double Butte, NW of Winchester. SE-facing slope of W butte and alluvial soil at base. USGS 7.5' Winchester topo. 457 Comment
  CAS-BOT-BC239932  Schismus arabicus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37448 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
  JOTR16789  Schismus barbatus Leary, Pat and Hogan, J. 1975-2-11 899 Riverside Joshua Tree National Park. EAST END OF PLEASANT VALLEY 975 Comment
  RSA776379  Schismus barbatus Amber Swanson 2011-4-8 376 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR158724  Schismus barbatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30030 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
  UCR278558  Schoenoplectus Mitch Provance 2012-9-5 912- 11 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  RSA653173  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  UCR241793  Schoenoplectus californicus A. C. Sanders 2013-4-16 40796 Riverside Peninsular Range; SE Gavilan Hills, SCE power line crossing of the San Jacinto River, south of Perris, 2.9 km SW of the intersection of Goetz & Ethanac roads 429 Comment
  UC483743  Scirpus americanus F. R. Fosberg 1932-3-13 8079 Riverside Coachella Valley , Coachella Valley (Thousand Palms Canyon) Comment
  RSA516742  Scrophularia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA660913  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside SW side of ''Royal Hill'', 0.25 miles E of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  RSA749051  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  OBI71050  Scutellaria mexicana Larry Kelly, David J. Keil 1988-4-16 55 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshua Tree natl Monument Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  RSA560835  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA612684  Scutellaria tuberosa D. L. Banks 1997-3-29 1614 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  POM47174  Selaginella bigelovii Mary F. Spencer 1920-4-7 1468 Riverside Palm Canyon; Colorado Desert. 244 Comment
  RSA85934  Selaginella bigelovii Frank W. Peirson 1920-2-15 1530 Riverside Murray Canyon near Palm Springs Comment
  UCR275953  Selaginella bigelovii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3794 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
  CAS-BOT-BC323988  Senecio flaccidus var. douglasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9548 Riverside Cottonwood Springs Canyon. Comment
  CDA27748  Senecio flaccidus var. douglasii Mike Lahti 2008-10-26 PDR# 1509239 Riverside Hemet, found along dry creek bed. 0 Comment
  UCR89987  Senecio flaccidus var. douglasii Scott D. White, S. J. Myers 1995-10-21 3723 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  RSA0118057  Senecio mohavensis Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7614 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR233168A  Senecio mohavensis Jim Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UC1537030  Senecio vulgaris Gordon H. True Jr. 1935-4-1 199 Riverside Box Springs 365 Comment
  UCR121300  Senecio vulgaris A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25009 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  SD247432  Senna armata A. C. Sanders, Jim Malusa 2015-9-10 41855 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA387357  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
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Jan 6 2008
  SEINET269472 Image available Sesuvium verrucosum Scott D. White, Steve Ogg 1994-1 2467 Riverside Murrieta Creek 1000 ft south of Winchester rosd bridge (Banana Avenue on USGS Murrieta Quad) 310 Comment
  SEINET239062 Image available Setaria italica Bill Isom 1973-10-30 206 Riverside Moreno Valley: Cultivated experimentally at UC Moreno Valley Field Station south of Allesandro (&Cactus) between nason 457 Comment
  UCR90278  Setaria parviflora Scott D. White 1995-7-7 3442 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CSUSB597  Sidalcea malviflora Leland R. Dykes 1962-4-22 Riverside Santa Ana Mountains Santa Ana Mountains. San Mateo Canyon Road. 7 miles west of Palomar Road, Murrietta. Comment
  LA205908  Sidalcea malviflora O. A. Plunkett; 1926-4-18 sn Riverside Temecula Comment
  RSA433906  Sidalcea malviflora Robert Gustafson 1983-4-18 2508 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 549 Comment
  RSA162852  Sidalcea malviflora subsp. sparsifolia John Olmsted 1958-6-15 176 Riverside May Valley Truck Trail 2 mi. SE of Saunder s Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  RSA585783  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 0415 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
  UC55873  Silene antirrhina H. M. Hall May 17 1901-Jun 1 1901 1820 Riverside Palm Canyon 457 Comment
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Jun 21 2008
  POM78663  Silene parishii var. viscida Albert J. Perkins 1916-9-15 s.n. Riverside Summit, Tahquitz Peak. Comment
  RSA797259  Silene parishii var. viscida R. F. Thorne, Walter Wisura 1977-9-17 50797 Riverside San Jacinto Mountain: summit 3293 Comment
  UC1292202  Silene verecunda subsp. platyota F. C. Vasek 1957-9-29 Riverside jct Highway 74 about 6 mi e Hemet (3.4 mi s and e of Highway 74); Bautista Canyon, e of Hemet 487 Comment
  POM10044  Silybum marianum H. M. Hall 1904-5-24 4956 Riverside Along Santa Ana River, near Riverside Comment
  GMDRC2591  Simmondsia chinensis J. Andre, T. La Doux 2008-3-21 8834 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  RSA765395  Simmondsia chinensis Doris Bowers 1967-12-27 595 Riverside Box Canyon near Salton Sea 0 Comment