Search Results — 2000 specimen records retrieved (1894 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
  SBBG56410  Abies concolor Marjorie Lewis 1947-8-26 7 Riverside Dark Canyon 1981 Comment
  CAS-BOT-BC229309  Abronia villosa A. C. Sanders; D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  CAS-BOT-BC229368  Abronia villosa J. Von Loh 1978-1-23 3296 Riverside Palo Verde Mesa, 12 mi SW. of Blythe 121 Comment
  SEINET893735  Abronia villosa Rea Raymond 1962-1 197 Riverside Cathedral City, Palms to Pines Highway. San Jaciento mountain range. 152 Comment
  SD233323  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon road crosses the Coachella Canal. 15 Comment
  SD73625  Abronia villosa var. aurita Helen V. Witham 1970-5-1 853 Riverside Frequent in wash, Bautista Canyon, ca. 5 miles south of Hwy 74 (mak 10/07) 800 Comment
  SEINET3133246  Abronia villosa var. aurita R. W. Spellenberg, D. Jackson 1972-5-19 2822 Riverside 7 mi E of downtown Hemet on Hwy 74 579 Comment
  SEINET4691915  Abronia villosa var. aurita Duncan S. Bell 2012-1 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
  UCR117090  Abronia villosa var. aurita A. C. Sanders, T. B. Salvato 2001-5-16 24296 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR248052  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  UCR37458  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  SEINET937284  Abronia villosa var. villosa Leo A. Galloway 1970-1 1228 Riverside 23.5 miles southeast of Twentynine Palms in Joshua Tree National Monument. Comment
  RSA799920  Acacia dealbata Justin M. Wood, D. M. Ray 2011-4-28 3841 Riverside Sonoran Desert: Chuckwalla Valley: Kaisers Eagle Mountain Mine, northwest end of the Chuckwalla Valley. Near old mining community. 340 Comment
  CAS-BOT-BC30907  Acamptopappus sphaerocephalus Herman Knoche 1919-6-2 635 Riverside Whitewater Comment
  OBI61045  Acamptopappus sphaerocephalus Patrick A. Holden 1969-4-23 782 Riverside Along old hwy 62, 3 mi n of jctn with hwy 60 Comment
  RSA0123757  Acamptopappus sphaerocephalus Duncan S. Bell, LeRoy Gross 2016-3-10 8866 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  UCR34894  Acamptopappus sphaerocephalus L. B. Ziegler 1967-6-8 150 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  UCSB38736  Acamptopappus sphaerocephalus Cowan, Clark 1978-4-23 Riverside 12.2 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  RSA416163  Acamptopappus sphaerocephalus var. sphaerocephalus Anstruther Davidson 1993-4-10 s.n. Riverside Palm Springs. Comment
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Mar 20 2013
  RSA221022  Acer macrophyllum E. W. Lathrop 1966-3-30 6129 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  CAS-BOT-BC218716  Achnatherum coronatum Steve Boyd; Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los alamos Canyon and Tenaja Canyon, Peninsular Ranges, Santa Ana Mountains region Comment
  POM353067  Achnatherum coronatum N. C. Cooper 1944-4-8 1073 Riverside Andreas Canyon 305 Comment
  POM294594  Achnatherum hymenoides Lyman Benson 1955-1-8 15401 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
Read comments
Feb 19 2013
  RSA700957  Achnatherum speciosum Gary D. Wallace 1982-5-15 1998 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA85573  Achnatherum speciosum J. C. Roos 1952-4-9 5495 Riverside SW face Mountain Rubidoux. 366 Comment
  CAS-BOT-BC384728  Achyronychia cooperi John H. Thomas 1957-3-30 6556 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  SBBG63753  Acmispon rigidus M. N. Ackley 1928-4-3 548 Riverside Clary's Cyn 243 Comment
  SD258921  Acmispon rigidus Sarah J. De Groot, Cheryl Sevilla 2016-3-15 7635 Riverside Santa Rosa Mountains; Along Dunn Road betyween Haystack and Asbestos Mountans; SW of Palm Desert, NE of Potrero Spring, between Palm and Deep Canyons 1231 Comment
  SD73624  Acmispon rigidus Helen V. Witham 1970-4-29 824 Riverside 22 miles east of Lake Hemet. 1299 Comment
  OBI59606  Acmispon strigosus David Charlton 1988-2-18 1178 Riverside S side of Little San Bernardino Mts. Fargo Canyon Rd to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. 5 mi E of Jct Dillon Rd and Fargo Cyn Rd 762 Comment
  UCD104473  Acmispon strigosus H. S. Yates 1937-3-23 6404 Riverside 2 miles north of Palm Springs. 213 Comment
  UCR244909  Acmispon strigosus Jim Andre 2012-3-19 21378 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SEINET7856488  Acmispon strigosus var. strigosus M. F. Barrus 1919-11-3 3 Riverside Riverside, Citrus Experiment Station farm. Comment
  RSA748601  Adenophyllum porophylloides Scott D. White, Justin M. Wood 2009-4-28 12597 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC472326  Adenophyllum porophylloides F. M. Reed 1917-5-19 3862 Riverside Palm Canon; Colorado Desert Comment
  UCD112621  Adenostoma fasciculatum Geoffrey Levin 1975-5-9 497 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. 487 Comment
  CSUSB1856  Adenostoma sparsifolium Ned Curtis 1974-7-19 Riverside San Jacinto Mountains San Jacinto Mountains 1523 Comment
  SEINET3076976 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  RSA585792  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-5-9 419 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  CHSC98419  Agathis robusta A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-1 24070 Riverside San Bernardino Valley region: Riverside, UCR campus, entomology shop on S Campus Dr. 335 Comment
  POM49466  Agrostis exarata P. A. Munz, I. M. Johnston 1924-7-28 8816 Riverside Pine Flats 1738 Comment
  UCR165188  Agrostis exarata Margaret Bornyasz 2003-8-8 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near Azalea Creek, above Twin Pines Creek Drainage 1085 Comment
  UCR195140  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35927 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UC573796  Agrostis viridis H. S. Yates 1937-6-27 6705 Riverside near Relief Hot Springs; San Jacinto Quadrangle Comment
  SEINET272330  Alchemilla occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a triburary to Rawson canyon along the dirt rd. 503 Comment
  UCR171983  Alchemilla occidentalis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR23513  Alchemilla occidentalis John C. Roos 1950-4-22 4751 Riverside Hills NE of the summit of Reche Canyon 823 Comment
  SBBG64411  Aliciella latifolia subsp. latifolia M. N. Ackley -Feb-1926 806 Riverside near Edom 64 Comment
  SEINET3105940  Allenrolfea occidentalis Faulkner 1978-3-21 343 Riverside 9 miles N of Blythe, Hwy 95 152 Comment
  SEINET3108301  Allionia incarnata Sears 1977-10-12 554 Riverside Corn Springs Rd., 0.5 miles from exit. 219 Comment
  POM14403  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  POM172031  Allium haematochiton F. M. Reed 1930-4-15 6814 Riverside Plateau south of Gavilan Peak. [Gavilan Plateau] Comment
  RSA708421  Allium haematochiton Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10779 Riverside Santa Rosa Plateau area, just SE of Redonda Mesa. Corona Cala Camino at intersection w/ Cerro Rd. 701 Comment
  RSA348947  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. shallow N-facing draw, just W of third powerline tower, N of summit. 841 Comment
  RSA543160  Allium peninsulare Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6090 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
  SBBG101703  Allium peninsulare S. Boyd with T. Ross, M. Hammitt 1991-5-2 6090 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR280619  Allium peninsulare var. peninsulare Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 08 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR240638  Allophyllum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 435 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR16653  Allophyllum divaricatum Frances McKinley 1968-5-4 680305- 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  UCR193520  Allophyllum gilioides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  RSA635  Allophyllum glutinosum J. T. Howell 1928-7-8 1057 Riverside Santiago Peak Trail above Glen Ivy. 915 Comment
  RSA653545  Allophyllum glutinosum Scott D. White 1999-5-24 7378 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR110393  Amaranthus albus A. C. Sanders, Mitch Provance 1999-9-26 23079 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  POM319699  Amaranthus albus Patricia Wilder 1970-10-15 4789 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  RSA0106724  Amaranthus fimbriatus Duncan S. Bell 2011-9-30 2936 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  SEINET12764903  Amaranthus fimbriatus B. G. Pitzer 2000-11-4 4238 Riverside Sonoran (Colorado) Desert. North side of the Chuckwalla Mtns, Eagle Mountain Rd 0.8 mi south of Hwy I-10 at and around powerline road, ca 3.5 mi wsw of Desert Center (Desert Center 7.5'Q).; 0 402 Comment
  UCR163892  Amaranthus fimbriatus B. G. Pitzer 2001-8-19 4343 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR115993  Amaranthus watsonii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16077 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCD128862  Ambrosia acanthicarpa L. S. Rose 1935-12-21 s.n. Riverside Cabazon, Colorado Desert. 609 Comment
  JEPS40956  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
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Apr 24 2011
  RSA1223  Ambrosia dumosa B. D. Stark 1930-4-1 773 Riverside San Gorgonio Pass. 457 Comment
  RSA792912  Ambrosia dumosa Aaron C. Sedgwick, Duncan S. Bell 2012-9-12 117 Riverside Rice Valley - Take Rice/Blythe Rd. south ~3 mi. from Hwy. 62, then head east on an unmarked BLM road. 235 Comment
  UC1518623  Ambrosia dumosa Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55425 Riverside e of, (mouth of Whitewater Canyon) Whitewater Post Office; San Bernardino Mts., Whitewater Canyon 411 Comment
  UCSC001456  Ambrosia dumosa Peter Kamb 1948-4-11 866 Riverside Aqueduct Road 5 mi. east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  CAS-BOT-BC30796  Ambrosia ilicifolia Edmund C. Jaeger 1939-2-8 s.n. Riverside 2 miles so of Desert Center on north base of Chuckawalla Mts. 289 Comment
  UCR239932  Ambrosia psilostachya O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  SD131197  Ambrosia pumila David B. Zippin 1991-5-30 138 Riverside 40 m W of Skunk Hollow Vernal Pool, Bachelor Mtn. Quad Comment
  JEPS121565  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 416 Riverside West side of Highway 177. Comment
  JEPS39443  Ambrosia salsola var. salsola I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
Read comments
Oct 9 2010
  SBBG8467  Ambrosia salsola var. salsola H. and M. Dearing 1936-12-25 2334 Riverside Long Cyn, Colorado Desert Comment
  POM12891  Amorpha californica P. A. Munz 1922-6-30 5924 Riverside Santa Rosa Mountains. 1982 Comment
  SD136851  Amorpha californica Steve Boyd, Tim Ross 1992-5-15 7403 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, junction of the Tenaja & Morgan Trails, west of Round Potrero, along stream in understory of oak woodland in canyon bottom 669 Comment
  JEPS35502  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside wash of San Jacinto River base of San Jacinto Mt.; San Jacinto River, at base of San Jacinto Mt. 670 Comment
  RSA415299  Amorpha fruticosa A. Menke 1955-5-22 s.n Riverside Chino Canyon, Palm Springs. Comment
  SD229150  Amorpha fruticosa Dick Schwenkmeyer 2012-11-6 877 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC862268  Amorpha fruticosa P. A. Munz 1922-6-24 5790 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
Read comments
Mar 25 2011
  UCR182528  Amsinckia Mitch Provance 2005-5-17 6571 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR225599  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38832 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  UCR4103  Amsinckia intermedia Ronald M. Cope 1965-3-5 S.N. Riverside valley 0.5 mi west of where Gage Canal goes underground after having crossed Le Conte Drive Comment
  RSA708068  Amsinckia menziesii var. menziesii Scott D. White, Angelia Carey 2004-4-16 10173 Riverside Indian Creek and adjacent slopes. 549 Comment
  UCR121798  Amsinckia menziesii var. menziesii A. C. Sanders, Carolyn Washburn 2001-4-17 24034 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  JOTR32429  Amsonia tomentosa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2162 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  UC878737  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UCR89389  Andropogon glomeratus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15873 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  POM19839  Anemopsis californica Mary F. Spencer 1923-6-5 2245 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  RSA356999  Anemopsis californica R. F. Thorne 1973-5-23 43878 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 609 Comment
  UCR232038  Anemopsis californica John F. Green 2008-4-22 04- 02 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  CSUSB1479  Anthemis cotula Rita Gibbons 1975-6-5 S. N. Riverside Reche Canyon Rd., 4 miles from Barton Rd. Comment
  RSA33652  Antirrhinum coulterianum N. C. Cooper 1944-6-4 1325 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  SD186333  Antirrhinum coulterianum Andy C. Sanders, Mike Misenhelter 2005-6-15 30999 Riverside 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 340 Comment
  UCR160124  Antirrhinum coulterianum J. Chandler 2003-6-24 1261516 Riverside Peninsular Range, Vacant lot across from 42525 Wildwood Lane, Aguanga 1006 Comment
  UCR35227  Antirrhinum nuttallianum L. B. Ziegler 1976-6-11 548 Riverside From hill SE of Hemet in the foothills of of the San Jacinto Mtns. 549 Comment
  RSA586938  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks, Peter Morrell 1995-5-4 304 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. 622 Comment
  UCR91648  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 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
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  UCR52584  Arabis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns, along dirt road to the north of Castille Canyon Dr. at Poppet Flat, off Hwy 243. Comment
  RSA0126334  Arabis glaucovalvula F. W. Peirson 1941-4-9 s.n. Riverside At junction of Pinto Basin Rd and road to Cottonwood Spring. Comment
  RSA66762  Arabis pulchra F. W. Peirson 1941-4-9 13077 Riverside Open desert among shrubs; Pinto Basin road at junction with road to Cottonwood Springs. Comment
  POM354173  Arceuthobium campylopodum M. B. Dunkle 1933-7-21 3735 Riverside Idyllwild. 1616 Comment
  UC6053  Arceuthobium campylopodum H. M. Hall July 1901 Riverside San Jacinto Mtns 1615 Comment
  RSA629141  Arctostaphylos Jon E. Keeley 1992-7-16 16564 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629155  Arctostaphylos Jon E. Keeley 1992-7-17 16769 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629159  Arctostaphylos Jon E. Keeley 1992-7-17 16789 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629461  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16813 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA629479  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16838 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR68948  Arctostaphylos glandulosa subsp. cushingiana Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA629475  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-12 15548 Riverside Wildomar Cpgrd, ca. 15 km S of Elsinore Pk. Santa Ana Mtns. 850 Comment
  RSA220964  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-23 6114 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  CAS-BOT-BC24669  Arctostaphylos glauca Philip A. Munz 1953-5-31 18516 Riverside Ridge between Juniper Flats and Stubby Springs, Joshua Tree National Monument. 1402 Comment
  RSA229326  Arctostaphylos glauca F. C. Vasek, J. F. Clovis 1971-4-28 1743 Riverside Little San Bernardino Mts., Joshua Tree National Monument; Ridge and coves one mile east of Juniper Flats 1463 Comment
  RSA631780  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19277 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UC1979624  Arctostaphylos glauca D. L Banks, Steve Boyd 1995-3-30 0121 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  UCR140686  Arctostaphylos glauca Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 62 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA633604  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22518 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633645  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20152 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633648  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20124 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633649  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20153 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633651  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20160 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633712  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16655 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633748  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21786 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633763  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21800 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  UC82993  Arctostaphylos patula A. W. Anthony 1895-7-5 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC44331  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  UC1073274  Arctostaphylos pringlei subsp. drupacea George B. Rossbach 1955-4-28 391 Riverside se Banning (just s of n boundary of national forest); San Jacinto Mountains, San Bernardino National Forest Comment
  POM12029  Arctostaphylos pungens Mary F. Spencer 1919-6-19 1324 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA50292  Arctostaphylos pungens E. K. Balls 1949-5-4 13485 Riverside 0.5 mile south of Vista Grande Ranger Station, San Jacinto Mts. 1494 Comment
  RSA635805  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16551 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  RSA635809  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16545 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA636017  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18806 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  CAS-BOT-BC401650  Argemone munita subsp. argentea Lewis S. Rose 1936-12-26 36828 Riverside Hayfield, 37 mi. E. of Indio 762 Comment
  RSA282778  Argemone munita subsp. munita C. W. Tilforth, B. Busenberg 1980-6-17 2023 Riverside South end of Thomas Mtn. Rd. south of Lake Hemet, west of Highway 74. At large square telephone signal reflector panel. Comment
  RSA0040101  Argythamnia neomexicana Duncan S. Bell, LeRoy Gross 2014-3-13 6243 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  CAS-BOT-BC137657  Aristida adscensionis Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9580 Riverside Mecca Hills 2 miles up Painted Canyon. 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
  RSA675739  Aristida adscensionis Scott D. White, W. LaHaye 2001-4-28 8431 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  RSA777397  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 787 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  UC196994  Aristida adscensionis Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UCR229271  Aristida adscensionis Ginny Short 2011-3-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Canyon Rd., c. 9 miles due east of Cathedral City 183 Comment
  JOTR34349  Aristida purpurea var. nealleyi Andre, Jim 2012-4-11 20698 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  JOTR38425  Aristida purpurea var. nealleyi Hodges, Stephen, A. Ingersoll 2015-8-26 653 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  POM6655  Aristida purpurea var. nealleyi P. A. Munz, L. T. Street 1919-5-7 2725 Riverside Mouth of Tahquitz Canyon. Comment
  RSA47456  Aristida purpurea var. nealleyi J. C. Roos, L. Roos 1949-4-11 4242 Riverside Hayfields [Hayfield], Colorado Desert. Comment
  UCR2170  Aristida purpurea var. nealleyi F. M. Reed 1920-5-9 4316 Riverside Sonoran (Colorado) Desert, mouth of Andreas Canyon [near Palm Springs, E slope of the San Jacinto Mtns.] 305 Comment
  RSA0034601  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside Gilman Hot Springs, San Jacinto Valley. Comment
  UCR2176  Aristida ternipes var. gentilis F. M. Reed 1908-8-16 2561 Riverside Riverside. Iowa Ave. on sec. 30 305 Comment
  RSA595706  Armoracia rusticana R. E. Riefner 1996-9-30 96 -161 Riverside Community of El Cerrito, Minnesota Road & Temescal Wash Comment
  RSA736552  Artemisia californica Scott D. White, Angelia Carey 2004-7-2 10581 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD137913  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 766 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  UCR139637  Artemisia californica A. C. Sanders 2004-6-30 28396 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  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
  VVC1185  Artemisia dracunculus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  JOTR32653  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UCR103562  Artemisia ludoviciana subsp. incompta George K. Helmkamp, E. A. Helmkamp 1998-1-7 2557 Riverside San Jacinto Valley, 4.7 mi. SE of Florida Ave. (Hemet) on Bautista Rd. 701 Comment
  SD258299  Asclepias albicans J. M. Andre 2013-3-4 23873 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Hwy 95, ca. 12 miles south of Vidal Jct. 127 Comment
  SEINET3081968 Image available Asclepias albicans Andrew C. Sanders, Charlton, Pitzer, Stewart, et al. 1986-3-2 6060 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mountains. 503 Comment
  UCR14773  Asclepias eriocarpa A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 604 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  JOTR35993  Asclepias subulata Harding, Mitzi, Mark Wheeler 2012-9-4 204 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  CSUSB407  Asparagus officinalis Randy Salstrom 1966-3-28 Riverside 50 yards west of north end of Canyon Crest Blvd., beside Gage Canal in Riverside (city). 274 Comment
  UCR265020  Asparagus officinalis Mitch Provance 2013-4-8 413- 13 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CLARK-A1528-159  Aster hesperius John C. Roos 1951-9-25 5258 Riverside Riverside 259 Comment
  JEPS54674  Astragalus W. L. Jepson 1901-5-25 1448 Riverside trail to Santa Rosa Peak; trail to Santa Rosa Peak Comment
  CAS-BOT-BC177466  Astragalus aridus P. A. Munz; R. D. Harwood 1920-4-2 3393 Riverside Blythe Jct 365 Comment
  CLARK-A1656-621  Astragalus coccineus Lois Ann Scott 1978-5-6 Riverside San Jacinto Mountains 1219 Comment
  NY43150  Astragalus coccineus J. B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  UCR35036  Astragalus coccineus L. B. Ziegler 1969-4-20 337 Riverside San Jacinto Mtns, Pinyon Flats. 1250 Comment
  CAS-BOT-BC177719  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  CAS-BOT-BC177723  Astragalus crotalariae F. O. Ballou 1926-2-28 s.n. Riverside Fish Springs near Oasis Comment
  UCR241012  Astragalus didymocarpus Tracy Tennant 1998-4-28 257 Riverside San Jacinto, Ramona Expressway and Donna Way, near bank of San Jacinto River 488 Comment
  UC81306  Astragalus douglasii var. douglasii S. B. and W. F. Parish Apr. 1882 1407 Riverside Morongo Comment
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Jul 4 2007
  UC597722  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak Santa Rosa Peak (on dry benches) 2346 Comment
  UC82604  Astragalus douglasii var. parishii C. F. Baker 1904-4-5 4131 Riverside Hemit Comment
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Sep 5 2011
  CLARK-A1528-2743  Astragalus gambelianus John C. Roos 1952-5-19 5689 Riverside Moreno 487 Comment
  UCR237114  Astragalus gambelianus Duncan S. Bell, Joy England 2010-5-17 1007 Riverside San Jacinto Mountains, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and forest service road 5S15 1045 Comment
  SD211452  Astragalus insularis var. harwoodii Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1215 Riverside 30 miles west of Blythe near Palen Dry Lake. About two miles south, southeast from the north end of Palen Dry Lake. Access the area from the Corn Springs exit from I-10. On this visit, approximately 20 plants were seen scattered in this general area. Comment
  SEINET10737820  Astragalus insularis var. harwoodii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6454 Riverside 7 miles south-southwest of Rice. 274 Comment
  RSA774902  Astragalus lentiginosus var. coachellae Duncan S. Bell, Amber Swanson 2011-2-18 2024 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
  UC863174  Astragalus lentiginosus var. coachellae I. W. Clokey, B. Templeton 1930-4-9 4710 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  UCR6004  Astragalus lentiginosus var. coachellae Barry A. Vittor 1966-3-18 s.n. Riverside Western Colorado Desert, [Coachella Valley], just east of Varner Road [between Flat Top Mtn. and Edom Hill, based on el. given] 152 Comment
  RSA796505  Astragalus lentiginosus var. variabilis Jim Andre 2012-3-19 21355 Riverside Chuckwalla Valley. Along Hwy 177, 8.6 mi NE of Jct with I-10. 152 Comment
  CAS-BOT-BC194201  Astragalus pachypus Parish 1881-1-1 1134 Riverside Temecula Canyon Comment
  CLARK-A1045-116  Astragalus palmeri George K. Helmkamp 1978-4-1 Riverside Pinyon Flat Pinyon Pine[s] area, [flats] above Deep Canyon; Palm Desert 15'Q Comment
  RSA415645  Astragalus palmeri M. B. Dunkle 1938-4-3 5237 Riverside 2 miles S of Nightengale, Santa Rosa Mt. Comment
  SD87602  Astragalus palmeri F. W. Peirson 1921-3-23 4752 Riverside Santa Rosa Mountains, Deep Canyon 334 Comment
  CAS-BOT-BC194139  Astragalus pomonensis H. A. Zuill 1966-6-29 265 Riverside Cole Canyon, 2 miles SW Murrieta Comment
  CAS-BOT-BC194143  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula 365 Comment
  SEINET2060269 Image available Astragalus pomonensis Howard Scott Gentry 1981-6-1 23712 Riverside Near Murrieta 396 Comment
  SEINET238670  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Menifee Valley: south of Newport Road north of Holland Road. and east of Bradley Road 2 mies due east of Ralilraod Can 460 Comment
  UCR107895  Astragalus pomonensis G. F. Pratt 1997-3-11 s.n. Riverside March Air Force Base, Cactus Ave., c. 1 mi. west of 215 Fwy & south of Assesandro Blvd. 518 Comment
  CLARK-A1528-5425  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca Comment
  RSA415763  Astragalus trichopodus Elizabeth Tisdale 1931-6-19 20344 Riverside Chino Hills border. Santa Ana Valley. Comment
  SBBG56270  Athyrium filix-femina var. cyclosorum M. Lewis 1947-8-26 17 Riverside Dark Cyn 1981 Comment
  UCR239804  Athysanus pusillus O. F. Clarke 2004-3-28 s.n. Riverside Peninsular Range, Box Springs Mtns., east of Riverside and NW of Moreno Valley; off Quail Call Dr. 610 Comment
  SBBG69663  Atrichoseris platyphylla M. N. Ackley 1928-3-31 163 Riverside Hidden Spring Cyn 182 Comment
  POM278675  Atriplex canescens Grant D. Brown 1950-3-4 484 Riverside Approximately 10 miles N of Blythe on hyway #95 near water intake plant. 91 Comment
  POM278694  Atriplex canescens Grant D. Brown 1950-3-29 524 Riverside 1 mile E. of San Jacinto Comment
  POM278706  Atriplex canescens Grant D. Brown 1950-12-2 584 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  SEINET3930588  Atriplex canescens R. L. Piemeisel 1913-8-17 3645 Riverside Crestmore.; 0 Comment
  UC1080345  Atriplex canescens E. K. Balls and P. C. Everett 1957-11-5 22757 Riverside just s Thermal (State Hwy 111); s of Thermal 30 Comment
  CAS-BOT-BC170212  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5226 Riverside Mockingbird Canyon near Arlington Comment
  SEINET1911480  Atriplex canescens var. laciniata Carl B. Wolf 1932-1 4316 Riverside Caleb (Southern Pacific Railway siding), 4.5 miles SE of Mecca, Colorado Desert. Lower Sonoran zone. 61 Comment
  JEPS90679  Atriplex coronata var. notatior D. Bramlet 1991-6-1 2182 Riverside 1.4 km w of Nuevo (and some 10 m s of the end of 12th Street, some 17m e of San Jacinto River); San Jacinto crownscale 473 Comment
  UCR235046  Atriplex coronata var. notatior A. C. Sanders, John F. Green 2012-5-27 40219 Riverside Peninsular Range; Santa Ana Mtns. Region, Lake Elsinore area, Baker St. south of Nichols Rd. 386 Comment
  UC195304  Atriplex elegans S. B. Parish 1913-9-20 8600 Riverside Mecca Salton Sink, Mecca (Salton sink) 57 Comment
  RSA737895  Atriplex glauca R. E. Riefner 2006-2-20 06 /29/2015 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  SBBG128830  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Temescal Cyn Mouth, city of Corona, along Magnolia Ave, off-ramp on SW side of Hwy 15 216 Comment
  RSA0021478  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  OBI18624  Atriplex hymenelytra David J. Keil 1976-12-12 11912 Riverside Ca. 5 mi E of Indio along I-10 Comment
  UCR148037  Atriplex hymenelytra Steve Boyd, Et al. 2004-5-14 11247 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR196352  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  JEPS59643  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca Salton Basin, Mecca -57 Comment
  UCD97796  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UCR267435  Atriplex serenana var. serenana D. E. Bramlet 2005-7-27 3907 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  UCR111062  Atriplex triangularis D. E. Bramlet 1996-5-4 2464 Riverside San Jacinto Valley, San Jacinto Wildlife Area, along the road to Marsh A (western levee of pond 1), adjacent to the southern levee of Pond No. 1, approximately 1.5 km NE of the reserve entrance at Davis Road 433 Comment
  CSUSB420  Avena fatua Ellen Predmore 1971-5-3 Riverside Found 10 miles northwest of Gillman Hot Springs. 457 Comment
  RSA594042  Azolla filiculoides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 946 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA655084  Baccharis emoryi Scott D. White 1999-11-12 7630 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  CDA26800  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509237 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  CLARK-A1528-7789  Baccharis salicifolia John C. Roos 1947-3-15 3331 Riverside Dos Palmas Spring Comment
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Oct 23 2015
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  RSA296132  Baccharis sergiloides B. A. Prigge 1980-8-5 3847 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  VVC1349  Baccharis sergiloides A. C. Sanders, J. Mac 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  CDA41202  Bacopa monnieri G. D. Barbe, J. L. Johnson 1983-1-25 4037 Riverside Colorado River at mouth of Alligator Slough; boat ramp and picnic grounds; Lost Lake Resort. 0 Comment
  SBBG60811  Bahiopsis parishii M. N. Ackley 1928-4-1 235 Riverside Snow Crk, Mt San Jacinto 518 Comment
  UCSB41798  Baileya multiradiata Apton, William 1969-4-20 Riverside E of Anza, Route 74 near St Hwy 171 457 Comment
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Jan 13 2016
  CLARK-A1528-1645  Baileya pauciradiata John C. Roos 1949-3-26 4122 Riverside Indio Comment
  UCR20768  Baileya pauciradiata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01312 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR134610  Baileya pleniradiata Marisa Sripracha, Kyle Boyd 2004-2-14 017 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR167787  Bassia hyssopifolia T. B. Salvato, Gregg Miller 2005-6-3 1387 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  RSA696874  Bebbia juncea J. Russell Bruff 1928-4-1 77 Riverside Whitewater Comment
  UCR148308  Bebbia juncea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR245916  Bebbia juncea Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3947 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR78047  Bebbia juncea Scott D. White 1993-4-22 1225 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SEINET10616174  Bebbia juncea David B. Dunn, A. Folsom 1948-6-17 Dunn 3802 Riverside By quad 2. At camp in Pushawalla Canyon under palms. Indio Hills, Colorado Desert. Comment
  UC1746489  Bebbia juncea var. aspera Mitch Provance 1998-7-7 887 Riverside 1/4 to 1/2 mi from corner of Riverside Ave and Agua Mansa Rd.; Colton 262 Comment
  UCR132771  Berberis dictyota S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon, 0.25 mi. north of Tripp Flats Rd. 1183 Comment
  UCR92702  Berberis dictyota A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18031 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  POM96265  Berberis nevinii E. C. Jaeger 1925-11-9 s.n. Riverside Dripping Spring, S.W. Riverside Co. Comment
  LA204858  Bernardia incana Lee Haines; R. Erickson 1937-4-10 sn Riverside Palms to Pines Highway near road to Shumay Comment
  UCD98027  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto. Comment
  UCR59717  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA793474  Boerhavia coulteri Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 B Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  JOTR38525  Boerhavia coulteri var. palmeri Harding, Mitzi, Kipp Callahan 2012-8-27 294 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  CAS-BOT-BC434515  Boerhavia diffusa S. B. Parish 1916-5-13 10855 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  UCR43369  Boerhavia intermedia R. F. Thorne, R. Dahlgren 1979-4-23 53600 Riverside Mojave and Colorado Deserts, Joshua Tree National Monument, Pinto Basin Road: along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR280427  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5610 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, c. 5 km SW of Desert Center 459 Comment
  JOTR38528  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 298 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  RSA0121007  Boerhavia wrightii Duncan S. Bell, LeRoy Gross 2016-3-8 8826 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  UCSB9820  Bothriochloa barbinodis Beach, Kay 1942-10-23 Riverside Dos Palmas Spring; 0.75 mi E of road at point 20 mi from Kenworthy Forest Stn. and 12 mi N of Jct of Indio and Palmas highways; side road; San Bernardino Ntl Forest Comment
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Mar 2 2014
  UCR242652  Bouteloua aristidoides A. C. Sanders, T. B. Salvato 2012-10-12 40437 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  POM161550  Bouteloua barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  RSA385909  Bouteloua barbata George B. Grant 6737 Riverside Palm Springs Comment
  RSA697688  Bouteloua barbata J. Russell Bruff 1929-12-28 451 Riverside Dos Palmas Comment
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Jun 10 2012
  UCR177179  Bowlesia incana Scott D. White, Michael Honer 2003-4-4 8947 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  HSC101263  Brandegea bigelovii Jim Andre 2012-3-19 21362 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  JEPS121589  Brandegea bigelovii Adam C. Schneider with Will Freyman 2014-2-16 397 Riverside Box Canyon Road. Comment
  RSA708487  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  UCR167465  Brandegea bigelovii 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
  UCR85644  Brassica nigra A. C. Sanders 1993-4-5 13692 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
  CAS-BOT-BC36845  Brassica tournefortii Ira L. Wiggins 1941-3-24 9569 Riverside 0.3 mile south of Myonia, 4.6 miles north of Indio. Comment
  HSC101524  Brassica tournefortii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12756 Riverside Joshua Tree National Park. Cottonwood Road near south entrance. 509 Comment
  JOTR30924  Brickellia atractyloides var. arguta La Doux, Tasha, Bill Truesdell 2008-4-29 2599 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Open rocky slope above Johnny Lang Canyon, northwest of Lang Mine (Stop 9) 1356 Comment
  CAS-BOT-BC106245  Brickellia californica Lathrop; Thorne 1967-9-26 6617 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  UC1979595  Brickellia californica D. L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary. Comment
  CAS-BOT-BC106185  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 (Whtie Water 7.5' Q.) 647 Comment
  UC1010312  Brickellia desertorum John and Lucille Roos 1950-9-30 4995 Riverside 3 mi n of Elsinore (hills midway between Steele Pk. and Elsinore) 487 Comment
  UCR20317  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, E side Whitewater Canyon, 2.2 mi. north of Hwy 99 [=I-10]; W side of Painted Hill 612 Comment
  RSA387325  Brickellia incana Aaron Liston 1986-11-29 643 -3 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
  RSA695645  Brickellia incana J. Russell Bruff 1927-11-26 26 Riverside 10 miles north of Cottonwood Springs Comment
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Sep 20 2011
  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
  CAS-BOT-BC127653  Brickellia microphylla var. microphylla P. A. Munz 1941-10-1 17236 Riverside on palms to Pines Highway north base of Santa Rosa Mts. Comment
  UCR111613  Brodiaea filifolia D. E. Bramlet 2000-5-3 3010 Riverside Perris Basin, 908-915m east of Perris Valley airport, 31-183m west of Case Rd. and 31-335m north of the San Jacinto River 433 Comment
  RSA376783  Brodiaea santarosae Robert Gustafson, Gary D. Wallace 1983-6-23 2716 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mtns., 701 Comment
  RSA191989  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1959-5-17 4538 b Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  CAS-BOT-BC144321  Bromus Carl B. Wolf 1932-8-5 3949 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  SEINET901458  Bromus arizonicus A. C. Sanders 1989-1 9068 Riverside City of Riverside, Spontaneous in yard at 422 Campus View Drive Comment
  RSA750752  Bromus carinatus Scott D. White, Justin M. Wood 2009-5-22 12896 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SEINET799033  Bromus carinatus John & Lucille Roos, Lucille Roos 1954-1 6122 Riverside Canyon 1 mile SE of summit of Reche Canyon 685 Comment
  UCR41837  Bromus catharticus A. C. Sanders 1986-4-13 6467 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  SBBG47545  Bromus diandrus N. C. Cooper 1944-4-22 1116 Riverside Banning 701 Comment
  UCD59301  Bromus diandrus A. A. Beetle 1944-4-27 1998 Riverside West of Murietta. Comment
  UC37682  Bromus hallii H. M. Hall June 1901 2301 Riverside W side of San Jacinto Mountains San Jacinto Mountains 1737 Comment
  UCR114304  Bromus hordeaceus Julie A. Greene 1993-4-17 1227 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCR174075  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32589 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR153985  Bromus madritensis Arlee Montalvo, Julie M. Evans 2005-5-14 663 Riverside Santa Ana Mtns., Foothills of Santa Ana Mtns. Santa Margarita River at the Santa Margarita Ecological Reserve. At edge of sandy/rocky channel of riparian area 244 Comment
  SEINET3923659  Bromus mollis D. Atwood, L. Stritch 1993-4-2 17914 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  SEINET3923303  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; 0 183 Comment
  UCR138824  Bromus rubens D. L. Banks 1997-2-23 1299 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  POM363957  Bromus rubens E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM363962  Bromus rubens Ora M. Clark 1929-2-23 1554 Riverside North Whitewater., [Locality: 35?55'30N 116?38'15W] Comment
  RSA0020668  Bromus tectorum N. C. Cooper 1944-5-20 1295 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UC724226  Caesalpinia virgata Aven and Ruth Nelson 1939-3-28 3310 Riverside between Mecca and Hidden Springs Comment
  UC864232  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  UCR226789  Caesalpinia virgata Jim Andre 2011-2-9 15908 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
  UCR138643  Calandrinia ciliata D. L. Banks 1997-2-17 1272 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  UCR228923  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-28 38818 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR84983  Calandrinia ciliata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16223 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
  UCR91658  Calandrinia ciliata Steve Boyd, D. L. Banks 1995-4-5 8425 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  CLARK-A1528-4982  Callitriche marginata John C. Roos 1966-3-6 Riverside March Air Force Base Comment
  POM13644  Callitriche marginata P. A. Munz 1922-5-18 5325 Riverside 1/2 mile south of Lake Elsinore. Comment
  POM48361  Calocedrus decurrens Philip A. Munz, I. M. Johnston 1924-7-28 8799 Riverside Pine Flats 1738 Comment
  RSA358578  Calocedrus decurrens Larry E. DeBuhr 1972-3-23 527 Riverside Santa Rosa Mountains; San Bernardino National Forest; northwest of Santa Rosa Peak 2317 Comment
  CSUSB2255  Calochortus catalinae Annette Price 1962-4-22 034 Riverside Lake Matthews Lake Matthews area (map drawn on herbarium sheet label). Comment
  UCR201622  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  CAS-BOT-BC488544  Calochortus concolor Ynez Whilton Winblad 1941-6-7 s.n. Riverside Near Lake Elsinore Comment
  UCR279324  Calochortus flexuosus A. C. Sanders, Jim Malusa 2017-3-23 42909 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UC454390  Calochortus plummerae I. J. Condit 1910-6-21 Riverside San Jacinto Mts. 609 Comment
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 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
  CLARK-A1528-3201  Calochortus weedii var. intermedius John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR63511  Calochortus weedii var. weedii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  RSA794  Calycadenia tenella J. T. Howell 1928-7-9 1074 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  JOTR32182  Calycoseris parryi Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  UC963813  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside ca. 5 mi ne of, Joshua Tree National Monument Cottonwood Springs; Mojave Desert, Smoke Tree Wash 853 Comment
  JOTR34304  Calyptridium monandrum Andre, Jim 2012-4-11 20717 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  UCR127353  Calyptridium monandrum A. C. Sanders, D. Malueg 2003-5-8 26574 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR26223  Calyptridium monandrum John C. Roos 1947-3-15 3329 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  CLARK-A1528-7874  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  CAS-BOT-BC215767  Calystegia macrostegia subsp. arida Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74 along San Jacinto River Comment
  RSA586129  Calystegia macrostegia subsp. arida D. L. Banks 1995-4-11 0172 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  UCR213495  Calystegia macrostegia subsp. arida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38408 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 491 Comment
  POM122402  Calystegia macrostegia subsp. intermedia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA394917  Calystegia macrostegia subsp. tenuifolia M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek, Aguanga. Comment
  UCR154975  Camissonia bistorta A. C. Sanders, Kelly Volansky 2005-3-17 29219 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CLARK-A1528-5708  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CSUSB755  Camissonia brevipes Bob Sullivan 1966-2-27 Riverside Orocopia Mountains 1 mile southeast of junction of Mecca- Joshua Tree Road and Indio- Blythe Highway; Orocopia Mountains. 228 Comment
  HSC16418  Camissonia brevipes R. A. Eagle 1964-3-28 24 Riverside 5 mi. out of Palm Springs on the main Hwy. Comment
  RSA684332  Camissonia brevipes Scott D. White, Michael Honer 2003-4-18 9031 Riverside Shavers Valley. Just northeast of unnamed freeway exit at pumping station. 488 Comment
  RSA12116  Camissonia californica Mary F. Spencer 1921-5-30 348 Riverside San Jacinto Mountains, wayside in San Jacinto. 549 Comment
  RSA180409  Camissonia californica E. W. Lathrop 1965-5-30 5774 Riverside 6 miles W of Murrieta. Comment
  SEINET1004493  Camissonia californica T. B. Salvato, Kent Beaman 2005-1 849 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
  UCR23219  Camissonia californica Polly Schiffman 1981-5-19 016 Riverside Box Springs Mtns., Box Springs Mountains County Park, 250 m north of radio towers. 823 Comment
  RSA454730  Camissonia cardiophylla E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  RSA703374  Camissonia chamaenerioides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1438 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  HSC16459  Camissonia claviformis R. A. Eagle 1964-3-28 23 Riverside 4.1 mi. out of Palm Springs on the Thunderbird Rd. Comment
  UCR144746  Camissonia claviformis Scott D. White 2001-4-18 8364 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  RSA719044  Camissonia claviformis Michael Honer 2005-3-11 2056 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR41325  Camissonia confusa N. M. Fellows, A. C. Sanders 1985-4-9 121 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  SEINET7073471  Camissonia contorta 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
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Jun 24 2020
  SEINET7040179  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.6 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 488471mE, 3712748mN. Comment
  UCR118678  Camissonia hirtella A. C. Sanders 1997-3-19 20047 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR69746  Camissonia pallida N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 173 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA652352  Camissonia pallida subsp. pallida Marion P. Harthill 1973-2-17 1570 Riverside Snow Creek, Palm Springs 366 Comment
  UCR180354  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR26486  Camissonia strigulosa A. C. Sanders 1981-5-20 2123 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR58472  Camissonia strigulosa Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, west of Mesa de Burro near head of Cole Canyon. 488 Comment
  SDSU3317  Camissoniopsis bistorta H. Wedberg 1957-3-22 3 Riverside On Hwy 71, 5 miles north of Alberhill. 322 Comment
  SDSU3355  Camissoniopsis confusa H. Wedberg 1958-5-17 303 Riverside 7.4 miles from Banning on road to Idyllwild. Comment
  UCSB10494  Camissoniopsis ignota Breedlove, Dennis 1962-3-11 Riverside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  UC354442  Camissoniopsis pallida subsp. pallida Edmund C. Jaeger 1925-12-18 Riverside Palm Springs Comment
  RSA180427  Carex densa E. W. Lathrop 1959-4-26 4503 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  CAS-BOT-BC20709  Carex fracta I. W. Clokey; E. G. Anderson 1935-8-21 6562 Riverside Fuller's Creek. 1500 Comment
  RSA125886  Carex multicaulis Peter H. Raven 1958-5-17 s.n. Riverside along road to Banning 6.1 miles northwest of Lake Fulmor, San Jacinto Mountains. Comment
  UC837255  Carex nebrascensis P. A. Munz 1922-9-6 6393 Riverside Round Valley San Jacinto Mts. 2743 Comment
  UCR178312  Carex praegracilis T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 934 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  SEINET7572181 Image available Carex praegracilis Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at the southeastern base of "Rocky Bluff Ridge", east of Estelle Mountain and south of the Gavilan Plateau. 610 Comment
  UC1563042  Carex triquetra Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3069 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  UCR23673  Carthamus tinctorius John C. Roos 1965-7-7 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  HSC87047  Castilleja affinis B. Pitzer, E. Misqez 1988-2-28 618 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  SEINET3079495 Image available Castilleja affinis Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  UCR174425  Castilleja affinis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32481 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA305817  Castilleja angustifolia James R. Shevock 1971-5-8 1041 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  JEPS9794  Castilleja applegatei subsp. martinii C. V. Meyer Jun 1927 167 a Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  POM229446  Castilleja applegatei subsp. martinii Philip A. Munz 1937-5-30 15078 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  RSA775231  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  SBBG47445  Castilleja exserta N. C. Cooper 1944-4-21 1127 Riverside Banning 701 Comment
  UCR121783  Castilleja exserta A. C. Sanders, Carolyn Washburn 2001-4-17 24051 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR227586  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  UCR269903  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3660 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  PASA985  Castilleja foliolosa Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA751915  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  UCR268586  Castilleja foliolosa Jim Andre 2012-6-15 30545 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR121245  Castilleja martinii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2283 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA734502  Castilleja minor subsp. spiralis M. Wall 2008-6-16 458 Riverside East of Hemet off Hwy 74, plants locally common on moist banks of the San Jacinto River, ca. 2.0 miles east of the Cranston Ranger Station. 638 Comment
  UCR71902  Castilleja minor subsp. spiralis Steve Morgan, H. M. Soldan 1992-5-25 92- 2 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  UCR121204  Caulanthus heterophyllus D. E. Bramlet 1991-5-10 2141 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
  UCR251313  Caulanthus heterophyllus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7422 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  RSA543134  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6123 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  RSA574732  Caulanthus lasiophyllus var. rigidus Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills region, flats at the north base of the range, south of Lake Mathews, south of Cajalco Road. 457 Comment
  SBBG101779  Caulanthus simulans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6023 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SEINET3507419 Image available Caulanthus simulans L. F. LaPre 1986-4-17 Riverside Bull Canyon, Gavilan Hills. Comment
  CAS-BOT-BC421495  Ceanothus crassifolius L. Nye; G. Gust 2005-3-11 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  LA41989  Ceanothus crassifolius W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Palo Comado SMMNRA, Glen Ivy Trail 457 Comment
  RSA569992  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7901 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  SDSU13520  Ceanothus crassifolius W. Miller 1972-8-9 Riverside Comment
  UCR91416  Ceanothus crassifolius Scott D. White 1995-4-5 2704 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  LA42052  Ceanothus cuneatus Carl Epling; 1932-6-4 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR92670  Ceanothus cuneatus subsp. cuneatus Scott D. White, Shelton Dowthit, Conservancy volunteers 1996-3-31 3851 Riverside Lake Skinner Area: Riverside Land Conservancy conservation easement site, about 0.5 mi south of the reservoir, near East Benton Rd 534 Comment
  UC870525  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6734 Riverside e of Hemet 820 Comment
  RSA399315  Ceanothus leucodermis N. C. Cooper 1949-6-29 4342 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0019575  Ceanothus megacarpus var. megacarpus Orlando Mistretta 1992-6-10 517 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  POM305352  Ceanothus oliganthus Henry J. Ramsey, Henry J. Ramsey 1938-2-25 666 Riverside Temecula Comment
  SD186315  Ceanothus oliganthus var. sorediatus Andy C. Sanders, M. Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SJSU14591  Ceanothus ophiochilus S. Boyd, T. Ross & L. Arnseth 1989-3-19 Riverside 1 mi W of Vail L 762 Comment
  UCR271518  Ceanothus tomentosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8352 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UC1100197  Cenchrus longispinus Malcolm A. Nobs and S. Galen Smith 1948-9-3 493 Riverside 2 mi n Indio; Imperial Valley Comment
  RSA736785  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA505035  Centaurium venustum Ed LaRue 1989-7-4 s.n. Riverside SSW of Temecula, W side of Calle Cuesta, 1 mile airline W of Hwy 15 and 1.5 miles airline S of Rancho California Road. 396 Comment
  JEPS106967  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 19 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  JEPS57812  Centrostegia thurberi var. thurberi W. L. Jepson 1901-5-25 1432 A Riverside Coyote Canyon near Van Deventer's Ranch, from Riverside to Santa Rosa Peak and Palomar Coyote Canyon Comment
  RSA405363  Cercidium floridum W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
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Apr 1 2019
  SBBG104629  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -69 Riverside McCoy Mtns, NW of Blythe; T6S, R 21E, S18 280 Comment
  UCR167469  Chaenactis carphoclinia 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
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 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
  JEPS20786  Chaenactis carphoclinia var. carphoclinia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13256 Riverside 2.3 mi above Midland P.O.; Little Maria Mts. Comment
  RSA0026193  Chaenactis carphoclinia var. carphoclinia J. Andre 2013-3-4 23877 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  CAS-BOT-BC276924  Chaenactis fremontii Ira L. Wiggins 1941-3-27 9700 Riverside Slopes 4 miles N of Whitewater Comment
  UCR100089  Chaenactis fremontii R. G. Swinney 1967-3-5 45 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  SEINET6808363  Chaenactis fremontii Unknown 1997-3-15 Riverside 10 miles S of Hovely; Hovely; 10 miles S of 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
  HSC87021  Chaenactis glabriuscula var. glabriuscula K. Harper 1988-5-14 Riverside San Jacinto Mtns.; road to the N of Castile Canyon Dr. at Poppet Fla, off Hwy. 243 Comment
  RSA60733  Chaenactis glabriuscula var. glabriuscula Frank W. Gould 1943-4-17 2107 Riverside 12 miles south of Corona on road to Elsinore. 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
  RSA500139  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3670 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  CAS-BOT-BC284350  Chaenactis stevioides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA644304  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Colorado Desert: Chuckwalla Valley, near Wiley's Well rest area on I-10, along dirt road to McCoy Spring. 122 Comment
  SD128740  Chaenactis stevioides Darley F. Howe 1980-4-15 Riverside 1.0 mile west of Mesa Verde, south slope of McCoy Mountains, Highway 10. (IPB 10/07) Comment
  RSA778523  Chamaesyce Amber Swanson, Linda Jean Foster 2011-10-8 625 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  CHSC8085  Chamaesyce albomarginata Edward L. Smith 1958-3-6 347 Riverside Santa Anna Mtns. On Cold Water Canyon, Glen Ivy, near Temescal Canyon Rd. 762 Comment
  UC71990  Chamaesyce albomarginata Miss M. A. King 1893-1 Riverside Menifee 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
  RSA747991  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-4-28 12613 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SBBG100585  Chamaesyce polycarpa W. L. Halvorson 1977-2-5 77 -14 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SBBG32248  Chamaesyce polycarpa L. S. Rose 1966-12-11 Riverside La Quinta 91 Comment
  UC194833  Chamaesyce polycarpa S. B. Parish 1916-5-13 10830 Riverside Cottonwood Springs Colorado Desert 792 Comment
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Oct 9 2010
  RSA433512  Chamaesyce polycarpa var. polycarpa E. A. Purer 1933-3-25 17197 Riverside Palm Springs. Comment
  CDA4865  Chamaesyce prostrata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  RSA615380  Chamaesyce prostrata A. C. Sanders, L. Ard, et al. 1994-7-11 15061 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  RSA734745  Chamaesyce serpillifolia L. C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains. 1/2 mi. east of Ranger Peak. 1371 Comment
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Feb 17 2013
  IRVC3123  Cheilanthes clevelandii R. H. Whittaker, W. A. Niering 1963-6-2 SJ 172 Riverside Mountain Center-Hemet Highway [74]. Peninsular Ranges, San Jacinto Mountains 1128 Comment
  RSA495412  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2947 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  JOTR34345  Cheilanthes covillei Andre, Jim 2012-4-11 20693 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
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May 18 2013
  RSA1781  Cheilanthes covillei C. B. Wolf 1931-5-11 1957 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  UC1543092  Cheilanthes covillei Donald G. Nelson 1936-5-22 395 Riverside along trail down to Palm Canyon from Ribbon Wood Camp (along trail down to stream in Palm Springs Canyon, Pines to Palms Hwy, near base of Santa Rosa Mts); Santa Rosa Mts, Palm Springs Canyon Comment
  IRVC3131  Cheilanthes newberryi Charley Ford 1965-4-20 HS 0583 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  UCR261572  Cheilanthes newberryi Joseph Cahill 2011-1-8 111- 05 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
  RSA0033580  Cheilanthes parryi Robert F. Thorne 1966-10-15 41809 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  CHSC8071  Chenopodium Edward L. Smith 1958-3-21 465 Riverside Located at Indio. -6 Comment
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Apr 7 2008
  UCR174428  Chenopodium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32476 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
  RSA720652  Chenopodium album John Green 2005-5-4 s.n. Riverside SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 534 Comment
  RSA653504  Chenopodium album var. missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  UCR20418  Chenopodium ambrosioides Dr. H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Jacinto Mountains, north base of mountains, Snow Creek Canyon 549 Comment
  RSA423414  Chenopodium ambrosioides H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon. 549 Comment
  UCR271709  Chenopodium berlandieri var. zschackei Mitch Provance 2011-7-4 17177 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA523478  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3938 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  UCR35145  Chenopodium californicum L. B. Ziegler 1968-2-22 265 Riverside San Jacinto Mtns, Foothills of the mtns. At mouth of Avery canyon (Diamond Valley) 488 Comment
  UCR163091  Chenopodium murale B. G. Pitzer, G. R. Ballmer 2000-10-14 4227 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  CAS-BOT-BC231769  Chilopsis linearis Geo. B. Grant 1906-4-20 6740 Riverside Palm Springs Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  SEINET8733767 Image available Chilopsis linearis James W. Hardin 1969-1 13284 Riverside Desert, just ne. of Palm Springs. 4 Comment
  IRVC28188  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, along Gas Line Road in major wash system W of Iris Wash drainage. Within boundary of US Navy Choclate Mtn Aerial Gunnery Range Colorado Desert 570 Comment
  UC64371  Chilopsis linearis subsp. arcuata H. M. Hall 1896-7-7 281 Riverside Eden Comment
  RSA0031419  Chorizanthe brevicornu Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4468 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA727872  Chorizanthe brevicornu Naomi Fraga, Lisa Rojas 2005-2-10 1362 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA796015  Chorizanthe brevicornu Duncan S. Bell 2009-4-18 249 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 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
  JOTR31853  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2111 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR103557  Chorizanthe brevicornu var. brevicornu George K. Helmkamp, E. A. Helmkamp 1998-1-17 2551 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR279532  Chorizanthe corrugata A. C. Sanders, Jim Malusa 2017-3-25 43012 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
  RSA180405  Chorizanthe fimbriata E. W. Lathrop 1965-5-23 5764 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  UC1563103  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3628 Riverside hills just s of jtn Highway 79 and road to Vail Lake Marina (Butterfield Valley); Vail Lake area, Butterfield Valley 457 Comment
  POM229024  Chorizanthe fimbriata var. laciniata P. A. Munz 1937-5-31 15116 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  RSA784655  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 60 Riverside Temescal Canyon road, exit Indian Truck Trail from Hwy 5, southern coast of Corona lake, dry flood-plain. Comment
  NY468298  Chorizanthe parryi F. M. Reed 05 1904 s.n. Riverside Rubidoux Mountain [=Mount Rubidoux] 518.2 Comment
  UCR217661  Chorizanthe parryi var. parryi Ana Hernandez 2010-5-27 023 Riverside Perris-Aguanga Basin, Harford Spring. 2km northeast of Gavilan Peak and 235m east of Gavilan Road 598 Comment
  UCR48518  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1788 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  CAS-BOT-BC257202  Chorizanthe procumbens Alice Eastwood; John Thomas Howell 1937-4-24 3911 Riverside Summit of Santa Ana Mts. above Elsinore Comment
  RSA180481  Chorizanthe staticoides E. W. Lathrop 1960-5-27 5228 a Riverside 6 miles west of Murrieta. Comment
  RSA519203  Chorizanthe staticoides M. Lee Overholtzer 1962-7-4 294 Riverside North end of Cleveland National Forest, Santa Ana Mountains, Santa Ana River Drainage Area. 1341 Comment
  UCD99950  Chorizanthe staticoides D. E. Bramlet 1989-5-20 1880 Riverside Lake Skinner area: 7500 ft. (1.4 mi) E of Lake Skinner Dam and 500 ft. (ca. 0.1 mi.) N of access road. 518 Comment
  UCR42359  Chorizanthe xanti B. G. Pitzer 1986-5-4 0199 Riverside Colorado Desert/San Bernardino Mtns., Whitewater Canyon, at N edge of hatchery to c. 0.25 mi. N; c. 5 mi. north of Interstate Hwy 10 on Whitewater Canyon Road. 732 Comment
  SEINET3087439 Image available Chorizanthe xanti subsp. leucotheca Robert F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside San Bernardino Mtns.; rocky and sandy wash along Whitewater River, 3.2 mi. north of White Water post office and Highway 10 518 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
  UCR279347  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-23 42936 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  UCD103886  Chylismia claviformis Shirley C. Tucker 1957-3-10 3957 Riverside S of Mecca. Comment
  UC217899  Chylismia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-14 4994 Riverside Indian Wells Colorado Desert 91 Comment
  CAS-BOT-BC162783  Chylismia claviformis subsp. claviformis Larson; Beley 1975-4-24 74 -671 Riverside ~5 mi. N. Palm Springs, near inter. of Varner Rd. and T/C access. Comment
  UCR109601  Cirsium occidentale var. californicum R. D. Goeden, Don W. Ricker 1979-5-8 s.n. Riverside San Jacinto Mtns., Bautista Creek Canyon, Bautista Rd. at Horse Creek crossing 854 Comment
  UCR183020  Cirsium occidentale var. occidentale Mitch Provance 2003-5-5 4426 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA77693  Cirsium ochrocentrum E. Bridges 1952-8-28 s.n. Riverside field at Beumont Comment
  UCR21850  Cirsium vulgare 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
  POM182082  Cistanthe monandra P. A. Munz 1932-3-14 11978 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM199346  Cistanthe monandra Joseph A. Ewan 1932-4-8 7036 Riverside Seven Palms near Garnet Comment
  RSA161332  Cistanthe monandra P. H. Raven 1958-5-18 12979 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA516877  Cistanthe monandra Steve Boyd 1986-3-1 1359 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR142037  Citrullus lanatus var. citroides Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley, north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills 255 Comment
  CAS-BOT-BC172424  Clarkia bottae A. J. McC. 1892-5-1 73 Riverside Elsinore Comment
  RSA736701  Clarkia dudleyana Scott D. White 2004-4-26 10248 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SDSU13908  Clarkia purpurea subsp. quadrivulnera Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2133 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR121695  Claytonia parviflora A. C. Sanders 2002-5-4 25040 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  POM307314  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1938-4-22 2225 Riverside Santa Rosa Mts. Comment
  RSA615097  Claytonia parviflora subsp. parviflora D. L. Banks 1997-3-29 1582 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
  RSA585628  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-3-15 0063 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  UC63869  Claytonia parviflora subsp. viridis H. M. Hall 536 Riverside vicinity Winchester 609 Comment
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Mar 20 2011
  UC1125907  Clematis pauciflora R. St. John 1931-2-19 186 Riverside w. Elsinore; Elsinore Quad. Comment
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Nov 27 2011
  UCR213446  Clematis pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37803 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR21840  Clematis pauciflora 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
  OBI29874  Collinsia concolor Melissa Luckow, Rhonda Riggins 1982-4-15 827 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  POM157917  Collinsia concolor Philip A. Munz 1927-5-21 10868 Riverside Coahuila Valley. Comment
  RSA408229  Collinsia heterophylla var. heterophylla Anstruther Davidson 1923-5-1 s.n. Riverside Idyllwild Comment
  RSA0117396  Collinsia parryi Robert Allen, L. Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  CLARK-A1528-5722  Colubrina californica John C. Roos 1946-10-26 3138 Riverside Chuckwalla Mountains Comment
  SBBG53832  Colubrina californica J. C. Roos 1967-11-11 Riverside Chuckwalla Mtns, 3 mi SE of Desert Center Comment
  UC665634  Colubrina californica Annie M. Alexander and Louise Kellogg 1941-5-20 2206 Riverside Eagle Mountain pumping station road 5.2 mi nw Desert Center (hanging over edge of sandy wash); Colorado Desert 457 Comment
  UCR240038  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd. junction, large wash on SW side of road 727 Comment
  CAS-BOT-BC216025  Convolvulus Steve Boyd 1986-5-1 1810 Riverside Lower south slopes of Bachelor Mtn., east end of Lake Skinner, Bachelor Mtn. Comment
  OBI37480  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 mi W of Rancho Calif on De Luz Rd 396 Comment
  UCR175216  Convolvulus arvensis Teresa Nieto 2005-4-24 14 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR224096  Convolvulus arvensis Justin M. Wood 2010-9-8 2605 Riverside Beaumont Badlands, San Timoteo Canyon, just southeast of El Casco Substation along San Timoteo Creek 640 Comment
  RSA598989  Conyza coulteri L. C. Wheeler 1952-10-29 7010 b Riverside Riverside. Citrus Experimental Station. Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UCR163664  Cordylanthus nevinii Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., NW side of Pine Cove, south of Logan Creek near Truck Trail, SE of peak 6022 1814 Comment
  UCR242667  Cordylanthus nevinii A. C. Sanders 2013-7-6 40848 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  RSA305757  Cordylanthus rigidus subsp. setiger Larry L. Norris 1971-9-18 1311 Riverside Vail Lake. 457 Comment
  RSA493818  Cordylanthus rigidus subsp. setiger Maureen Pendleton 1987-7-27 s.n. Riverside 9.5 mi. N of Temecula, 0.5 mi. W of I-15E, just S of Keller Rd. 488 Comment
  RSA387392  Coreopsis californica Steve Boyd 1986-4-10 1641 b Riverside Temescal Canyon: along DePalma Raod between Indian Truck Trail and Horsethief Canyon. Comment
  RSA413257  Corethrogyne filaginifolia var. virgata James C. Dice, J. D. Tenhunen 1987-9-9 723 Riverside Ca. 1.6 kilometers NNW of Royal Oak Ranch. 380 Comment
  SBBG12462  Coryphantha alversonii H. and M. Dearing 1942-4-8 4873 Riverside 30 mi N of Blythe, Riverside Mtns Comment
  UCR118244  Cotula australis Mitch Provance, J. Ross 1999-4-1 1732 Riverside Jurupa Mountains, saddle c. 0.5 km east of peak 1437 in the W portion of the Jurupa Mountains. 427 Comment
  CAS-BOT-BC427597  Crassula aquatica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  RSA719776  Crassula aquatica Naomi Fraga, et al. 2006-7-11 1726 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SD204868  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55210 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
  RSA543301  Crassula connata Steve Boyd 1991-3-17 5509 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SEINET3089348 Image available Crassula connata A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15920 Riverside Colorado Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Rd. 1.35 mi E of Dillon Rd. 98 Comment
  UCR167846  Crassula connata T. B. Salvato, Melissa Clemons 2005-6-2 1349 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
  UCR114190  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23637 Riverside Perris-Aguanga Basin Region, French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., c. 0.5 km NE of Adobe Spring 409 Comment
  UCR239851  Crinodendron patagua O. F. Clarke 2004-5-12 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC175811  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Morongo Canyon, n. Colorado Desert 609 Comment
  CAS-BOT-BC181564  Crossosoma bigelovii Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC181571  Crossosoma bigelovii Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, 10 miles north of Whitewater, sotuh base of Little San Bernardino Mountains Comment
  POM182213  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UC669209  Crossosoma bigelovii Annie M. Alexander and Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon San Jacinto Mountains 365 Comment
  LA211610  Croton californicus Mark A. Elvin; 1998-5-12 857 Riverside Along Santa Ana River between Colton and Riverside. 271.0 Comment
  RSA0034095  Croton californicus Duncan S. Bell 2013-1-30 4455 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  UC1130375  Croton californicus A. E. Wieslander 1929-1-25 41 Riverside Bautista Creek San Jacinto Quadrangle (near Plot 9) 609 Comment
  CLARK-A1656-886  Croton californicus var. mohavensis Jim Cornett 1977-6-25 Riverside Desert Hot Springs Comment
  POM20904  Croton californicus var. mohavensis W. R. Dudley 1903-12-28 s.n. Riverside Palm Springs Station Comment
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Sep 5 2011
  RSA545238  Croton californicus var. mohavensis R. F. Thorne 1970-10 41888 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA70554  Croton californicus var. mohavensis F. W. Peirson 1920-2-14 s.n. Riverside Whitewater Station, Colorado Desert Comment
  UCR155303  Croton setiger A. C. Sanders 2005-5-4 29840 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR110388  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA586256  Crypsis vaginiflora R. E. Riefner 1995-11-29 95 -398 Riverside Along Davis Road near the San Jacinto River. Comment
  RSA0116808  Cryptantha A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of I-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. 317 Comment
  UCR214584  Cryptantha A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37863 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  RSA739085  Cryptantha angustifolia J. Russell Bruff 1932-3-22 s.n. Riverside 1000 Palm Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 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
  UCR214555  Cryptantha angustifolia A. C. Sanders 2010-3-15 37405 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
  UCR6094  Cryptantha angustifolia A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert on Hwy. 74 and 0.5 mi E '350 ft. 183 Comment
  CDA40488  Cryptantha barbigera T. C. Fuller 1962-4-4 7990 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  RSA450528  Cryptantha barbigera B. A. Prigge 1988-2-21 7849 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  UC667345  Cryptantha barbigera Annie M. Alexander and Louise Kellogg 1941-4-27 2093 Riverside Joshua Tree National Monument, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  UCR138587  Cryptantha barbigera Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1330 Riverside Western Colorado Desert, Mecca Hills: Box Canyon, along Hwy 195 305 Comment
  UCR6095  Cryptantha barbigera Barry A. Vittor 1966-3-11 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles NE of Salton Sea State Park 30 Comment
  RSA0065499  Cryptantha barbigera David B. Dunn, Lint 1955-4-1 11838 Riverside Pushawalla Canyon, Indio Hills. Top of the east hill. Comment
  POM368291  Cryptantha barbigera var. fergusoniae T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  UCR175225  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 6716 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  UCR86879  Cryptantha circumscissa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16259 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
  RSA0031380  Cryptantha clevelandii E. W. Lathrop 1966-5-8 6413 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA796026  Cryptantha costata Duncan S. Bell 2009-4-18 243 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  SEINET3100711  Cryptantha costata G. Rink, M. Honer, K. Christie 2012-3-19 11083 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  UCR280015  Cryptantha costata Onkar Singh 2012-2-25 2544 B Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Palen Sand Dunes west of Palen Dry Lake 140 Comment
  RSA0079092  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1451 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC1191073  Cryptantha dumetorum Francia Chisaki and Peter M. Ray 1952-4-6 2199 Riverside about 0.25 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  RSA784939  Cryptantha holoptera Duncan S. Bell 2012-2-12 3107 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA786076  Cryptantha intermedia C. P. Cowan 1978-4-24 1251 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SBBG28772  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa 700 Comment
  SEINET959101  Cryptantha intermedia John F. Green 2006-1 Riverside Peninsular Ranges; Foothills of Santa Ana Mtns./ Santa Rosa Plateau: Temecula, Southern California Edison right of way between residential areas, N-S corridor between S general Kearny Road and La Serena Way; E of Veterans park (Bachelor Myn. 7.5Q). 366 Comment
  UCR43757  Cryptantha intermedia A. C. Sanders, B. Pitzer 1986-4-30 6491 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UCR87636  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  SDSU20037  Cryptantha intermedia var. intermedia Michael G. Simpson 2012-4-27 3686 Riverside Skunk Hollow Vernal Pool Preserve, slight slope ca. 300 feet south of southern end of vernal pool. 419 Comment
  RSA480021  Cryptantha maritima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2144 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  UC573150  Cryptantha maritima Herbert L. Mason 1928-3-10 4227 Riverside Hidden Springs Canyon Coachella Mountains Comment
  UCR72197  Cryptantha maritima Theo Glenn 1992-3-31 92 4 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UC24834  Cryptantha micrantha W. G. Wright 1890-1 1772 Riverside Colorado Desert Comment
  UC455977  Cryptantha micrantha I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1524 Comment
  UCR261447  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41430 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
  RSA463700  Cryptantha micrantha var. lepida Harold Lint 1958-5-25 2037 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA489621  Cryptantha micrantha var. lepida D. Charlton 1988-5-28 2118 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  UCR256085  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR239198  Cryptantha micromeres Steven R. Hill, A. C. Sanders 2001-5-4 33726 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  RSA395364  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR115432  Cryptantha microstachys Scott D. White, D. E. Bramlet 1999-4-22 7244 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR199922  Cryptantha microstachys Scott D. White, Justin Wood 2008-4-16 11883 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  RSA585729  Cryptantha muricata D. L. Banks, S. D. Boyd 1995-5-9 391 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR98295  Cryptantha muricata Scott D. White 1992-3-29 92- 57 Riverside San Bernardino Mtns, Millard Canyon. Steep W facing slope below fork with East Millard Cyn Rd. Comment
  UCSB38650  Cryptantha muricata Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Rd., 1 mi. (1.6 km.) S. of 74 Comment
  RSA0079442  Cryptantha muricata var. jonesii LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  SEINET3084440 Image available Cryptantha nevadensis B. Pitzer 1998-1-24 3383 .1 Riverside 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
  CLARK-A1528-2220  Cryptantha pterocarya John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UC1063857  Cryptantha pterocarya H. S. Yates 1937-3-24 6456 Riverside Deep Canyon Thermal Quad. 609 Comment
  RSA0123760  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-9 8864 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  POM258906  Cryptantha racemosa E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  RSA659692  Cryptantha racemosa J. C. Roos 1948-5-1 3815 Riverside Whitewater. 610 Comment
  CLARK-A1045-135  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon edge of sandy wash at base of Deep Canyon; Palm Desert 15'Q Comment
  UC1007202  Cryptantha utahensis Philip A. Munz 1940-3-23 15718 Riverside 3 mi n Cottonwood Springs; Eagle Mt. 914 Comment
  UCR198184  Cryptantha utahensis Michael Honer, L. Hulse 2004-4-2 1874 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UC1075573  Cucurbita palmata P. C. Everett and E. K. Balls 1956-5-2 21550 Riverside 1 mi. from turn-off w. of Desert Center to Eagle Mt. 274 Comment
  UCR260537  Cucurbita palmata T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8057 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  RSA180509  Cuscuta californica E. W. Lathrop 1965-3-25 5683 Riverside 4 miles south of Murrieta on the De Luz road. Comment
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Jul 7 2012
  UCR193908  Cuscuta californica A. C. Sanders, Mitch Provance 2008-7-11 35774 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR272458  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 712- 05 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  LA210108  Cuscuta subinclusa Louis C. Wheeler; 1932-8-20 1142 Riverside 4 mi W Redlands 304 Comment
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Mar 22 2014
  SEINET9037745 Image available Cylindropuntia bigelovii Marc A. Baker 2015-1 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2km north of its junction with Interstate 10, 13 km NW of central Palm Springs 353 Comment
  GMDRC5838  Cylindropuntia echinocarpa J. M. Andre 2013-3-27 24824 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  SEINET4391054 Image available Cylindropuntia echinocarpa Marc A. Baker 2013-3-10 17669 .2 Riverside 900m north of Chiriaco Summit, 48 km east of Indio; Hay?eld 7.5' USGS topographic quadrangle 545 Comment
  UCR63622  Cymbalaria muralis B. G. Pitzer 1990-8-5 1478 Riverside University of California / Riverside Botanic Garden, near the border between grid cells F-6 and G-6. Growing out of cracks of granite on the SE side of the trail, about 50 ft west of the main trail up Alder Canyon 396 Comment
  CLARK-A1528-1432  Cymopterus panamintensis var. acutifolius John C. Roos 1948-5-15 3842 Riverside Eagle Mountains Comment
  CLARK-A1656-743  Cynodon dactylon Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  CAS-BOT-BC114543  Cyperus eragrostis Crawford; Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona. Comment
  UCR115347  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  UCR272473  Cyperus laevigatus Mitch Provance 2012-8-1 712- 03 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  UCR118779  Cyperus retrorsus A. C. Sanders, T. B. Salvato, G. P. Schultz, Steve Morgan 2001-11-15 24885 Riverside UCR Botanic Garden, east side of the UCR campus 396 Comment
  POM313076  Cyperus rotundus Malcolm A. Nobs, S. Galen Smith 1948-9-3 503 Riverside Thermal. Comment
  RSA5901  Cystopteris fragilis C. B. Wolf 1932-8-5 3974 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UCR42742  Dactylis glomerata B. G. Pitzer, Karen Kirtland 1986-5-20 225 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  RSA28052  Dalea mollis I. L. Wiggins 1941-3-27 9680 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA278987  Dalea mollissima B. A. Prigge, L. Martinez 1978-3-23 2433 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR24509  Dalea mollissima John C. Roos 1949-3-19 4106 Riverside Sonoran (Colorado) Desert, near Dos Palmas Spring on the E side of the Salton Sea in the vicinity of Salt Creek -30 Comment
  RSA566433  Datisca glomerata Peter L. Morrell, Stan C. Spencer 1993-5-28 244 Riverside on bank of San Gorgonio River, approx 4.25 air mi. N of gate at entrance to Banning Canyon 1600 Comment
  UC1279965  Datisca glomerata Peter H. Raven with R. Snow 1957-7-26 11115 Riverside 2.0 mi s of Vista Grande Ranger Station (Banning To Idyllwild road); San Jacinto Mountains Comment
  UCR235083  Datura wrightii A. C. Sanders, John F. Green 2012-6-1 40230 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  RSA784310  Deinandra fasciculata J. D. Olmsted 1959-8-26 842 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago Res. 823 Comment
  UC2015630  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: at the edge of the road to Hungry Hollow from Hwy 243 ca. 0.75 mi. SSE of Poppet Flat Rd. jct. w/243. ca. 1 mi. E of Poppet Flat Comment
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Feb 4 2015
  RSA0025297  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca. 0.5 mi from Cottonwood Ave. and Sycamore canyon Blvd. 135 Comment
  UC1746485  Deinandra paniculata A. C. Sanders with S. D. Boyd, Mitch Provance, and J. Ross 22297 Riverside 5.5 mi W of Bautista Rd. on Hwy 371 Cahuilla Valley; Anza Area; NW 1/4 section 8 1052 Comment
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May 29 2012
  SEINET13709266  Delphinium parishii J. Adams, J. Adams (Botany) 1966-1 725 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  CAS-BOT-BC7860  Delphinium parishii subsp. subglobosum K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway, 2 mi. above valley Comment
  RSA519256  Delphinium parryi Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA701498  Delphinium parryi M. Wall 1993-5-19 72 Riverside Sage Rd, 4.6 mi S of Red Mtn Rd SE of Hemet. Associated plants include Adenotstoma fasciculatum, Eriogonum fasciculatum, Collinsia concolor, and exotic grasses. Comment
  RSA585725  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 396 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
  UC1287009  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside in wash 3 mi e Glen Ivy Hot Springs Comment
  UCR133399  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-5-7 MOR- 108 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA433551  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1437 Riverside San Jacinto Mountain. West side. 1372 Comment
  JEPS53423  Descurainia incisa subsp. incisa Carl V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat Comment
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Jul 3 2010
  UC136971  Descurainia pinnata subsp. glabra T. S. Brandegee 1902-5-14 Riverside Whitewater; San Bernardino Comment
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Jan 15 2010
  UCR166766  Dichanthelium acuminatum subsp. fasciculatum Scott D. White, Jennifer H. Jones 2005-5-25 11112 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  UCR133374  Dichelostemma capitatum Mitch Provance, J. S. Ross 1998-3-27 MOR- 983 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, S entrance to Hathaway Cyn., near the corner of Verdugo Rd. and Hathaway Cyn. Rd. 732 Comment
  RSA0106456  Dichelostemma capitatum subsp. capitatum Daphne K. Christopher, Hannah Stevens 2003-4-3 82 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak Trail and along roadside. 536 Comment
  RSA524588  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3902 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA367461  Dichelostemma capitatum subsp. capitatum H. Twining 1890-04 s.n. Riverside [No locality information provided] Comment
  RSA70375  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1919-4-12 s.n. Riverside Tahquitz canyon near Palm Springs. Comment
  SBBG34737  Dicoria canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  SEINET9347382  Dicoria canescens Unknown 1976-10-15 Riverside Riverside Comment
  RSA736172  Dimorphotheca sinuata Scott D. White, Justin M. Wood 2008-3-25 11776 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  CAS-BOT-BC150879  Diplacus X australis Munz; Street; Williams 1919-4-5 2447 Riverside Puddingstone [Canon] Canyon Comment
  CAS-BOT-BC150930  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA0016054  Diplacus bigelovii var. bigelovii Donald A. Johansen, J. A. Ewan 1932-4-11 7093 Riverside Martinez Canyon, Santa Rosa Mountains. 305 Comment
  RSA0018423  Diplacus longiflorus var. calycinus Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17267 Riverside 3 mi. s. from Banning along Hwy to Idyllwild. 915 Comment
  CAS-BOT-BC150871  Diplacus puniceus L. Haines; L. Erickson 1937-4-9 s.n. Riverside Riverside - Hemet Road near Winchester turnoff Comment
  RSA751356  Diplotaxis erucoides Steve Morgan 1998-3-18 s.n. Riverside weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  SFV17344  Ditaxis lanceolata J. D. Dilley, J. N. Hogue (109.6) 1998-4-24 279 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  JOTR32617  Ditaxis neomexicana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1634 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UCR72230  Ditaxis neomexicana Theo Glenn 1991-5-28 91- 109 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  POM13321  Ditaxis serrata var. serrata P. A. Munz, D. D. Keck 1922-4-9 4834 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  CAS-BOT-BC43640  Dithyrea californica E. A. McGregor 1917-3-19 775 Riverside Indio Sands. Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  RSA530745  Dithyrea californica Albert J. Perkins 1920-3-6 s.n. Riverside Indian Wells, California Desert Comment
  RSA530749  Dithyrea californica Robert L. Dressler 1949-3-19 420 Riverside 5 miles NE of Desert Center. Comment
  UC118027  Dithyrea californica T. S. Brandegee 1902-5-14 Riverside Whitewater Comment
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Jan 15 2010
  UC963835  Dithyrea californica Helen K. Sharsmith 1952-4-8 4049 Riverside w lobe Pinto Basin; Mojave Desert, Joshua Tree National Monument 609 Comment
  UCR124633  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  JEPS14662  Dodecatheon alpinum C. V. Meyer 1928-7-27 560 Riverside Round Valley San Jacinto Mts., Round Valley 2773 Comment
  RSA263756  Dodecatheon clevelandii E. W. Lathrop 1971-3-21 7452 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  UCR2902  Dodecatheon clevelandii Paul W. White 1963-4-30 43063- 01 Riverside Murrieta 2 miles out [west] of Murrieta on Tenaja Road 549 Comment
  UC219594  Draba corrugata var. saxosa P. A. Munz 1922-6-28 5870 Riverside Toro Peak Santa Rosa Mts., Toro Peak 2529 Comment
  RSA0121059  Draba cuneifolia Duncan S. Bell, Thomas Stoughton 2016-3-16 8945 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA613128  Draba verna D. L. Banks 1997-3-6 1398 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  POM12103  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-15 1862 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA115730  Dryopteris arguta Lucille Weight 1957-1 s.n. Riverside north Malapai Hill, Joshua Tree National Monument, southern end of Mojave Desert Comment
  UCR127538  Dudleya abramsii A. C. Sanders, K. Kramer 2003-6-11 26876 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  RSA0123691  Dudleya arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9167 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  OBI42779  Dudleya lanceolata Melody Lardner 1981-5-31 200 Riverside In the Santa Ana mts on Mesa de Colorado on Calle Collina Rd 1.5 mi from the corner of Calle Collina Rd and Tenaja Rd 610 Comment
  POM10286  Dudleya multicaulis Charlotte M. Wilder 1905-5-31 583 Riverside West Riverside Plains Comment
  POM6654  Dyssodia porophylloides P. A. Munz 1919-5-7 2732 Riverside Palm Springs. 198 Comment
  UCR62324  Echinocereus engelmannii var. engelmannii Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  SEINET251720 Image available Echinochloa crus-galli A. C. Sanders 1999-10-15 23170 Riverside San Jacinto Valley: Mystic Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR89945  Echinochloa crus-galli 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
  UCD61060  Echinochloa muricata var. microstachya H. S. Yates 1937-6-27 6707 Riverside San Jacinto, near Relief Hot Springs. 457 Comment
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Mar 13 2011
  RSA544439  Elatine brachysperma Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6346 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  RSA719526  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  POM250495  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake. 1320 Comment
  SBBG54319  Eleocharis parishii C. Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR164295  Eleocharis parishii S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR20459  Eleusine indica John C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside, in moist clay garden 259 Comment
  UCR158267  Elymus condensatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29495 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
  RSA0120235  Elymus elymoides Duncan S. Bell, Thomas Stoughton 2016-4-14 9283 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
  SEINET1908655  Elymus glaucus A. C. Sanders, Mitch Provance 2008-1 35791 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. 1450 Comment
  POM47169  Elymus glaucus subsp. jepsonii Mary F. Spencer 1919-6-23 1215 Riverside San Jacinto Mountain near Idyllwild. 1524 Comment
  RSA679220  Elymus glaucus var. glaucus Fred M. Roberts 2003-6-25 5914 Riverside Just NE of Falcon roup Camp, 2.1km ESE Los Pinos Peak just west of main road. 1009 Comment
  UCR20449  Elymus stebbinsii E. W. Lathrop 1966-6-1 6374 Riverside Cleveland National Forest. 14 mi NW of Murrieta, Los Alamos Road between Fisherman Camp and Main Divide Truck Trail. Comment
  UC880682  Emmenanthe penduliflora I. W. Clokey 1935-4-8 6846 Riverside Gavilan Mesa 600 Comment
  UCR216026  Emmenanthe penduliflora Oleg Pryadko 2008-5-2 084 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR85315  Emmenanthe penduliflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-5-19 16155 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtn Foothills, Coachella Valley, alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 300 Comment
  POM320503  Encelia actoni Patricia Wilder 1971-9-29 5280 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
  POM356657  Encelia actoni Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA3224  Encelia actoni B. D. Stark 1930-3-18 s.n. Riverside 5 miles E of San Jacinto. 610 Comment
  RSA644190  Encelia actoni Scott D. White 1995-8-23 3561 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  UCR140293  Encelia actoni A. C. Sanders 2004-4-9 27468 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  UCR92041  Encelia actoni Scott D. White, S. J. Myers 1995-10-21 3725 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  CLARK-A1528-203  Encelia californica B. Day 1952-2-6 Riverside Comment
  RSA0031849  Encelia farinosa Douglas A. Springer 1981-2-16 2 Riverside 9 miles S of Corona on Interstate Hwy 15 and Cajalco Rd., E side on median and roadside. Comment
  RSA613423  Encelia farinosa D. L. Banks 1997-4-5 1669 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
  UCR200326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  UCR244070  Encelia farinosa Jim Andre 2012-4-16 20897 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
  SEINET7845929 Image available Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside 6.2 mi W of junction Hwy 78 and Hwy 60-70 near Blythe. Comment
  JEPS34101  Encelia frutescens W. L. Jepson Oct 22 1912-Nov 7 1912 5245 Riverside Riverside Mountains Colorado River, Riverside Mountains 45 Comment
  RSA560358  Encelia frutescens Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6915 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR262468  Enchylaena tomentosa A. C. Sanders, Richard Block 2015-7-4 41746 Riverside Peninsular Range, Riverside, R. & J. Block residence on Two Trees Rd. in Belvedere Heights neighborhood 396 Comment
  NY70191  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  CAS-BOT-BC81549  Ephedra californica Munz; Street; Williams 1919-3-25 2310 Riverside [Whitewater] White Water 304 Comment
  LA31385  Ephedra californica Jane Turner; 1959-3-29 C 181 Riverside Morongo Wash Comment
  RSA167539  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside Desert wash near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernrardino Co. line. Comment
  SEINET3866917  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater Wash. 3 mi. se. of Palm Springs Station.; 0 305 Comment
  UC299126  Ephedra californica Frank A. Thackery 1927-3-1 Riverside near Garnet 304 Comment
  UCR12614  Ephedra californica J. Hollinger 1972-4-20 720420 4 Riverside San Bernardino mtns./Sonoran (Colorado) Desert, Whitewater River, 4.5 mi north of Hwy I-10 732 Comment
  GMDRC5835  Ephedra trifurca J. M. Andre 2013-3-27 24810 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  NY70653  Ephedra trifurca R. S. Ferris 1958-3-19 13265 Riverside 2.1 miles osuth of Rice, on road to Midland and Blythe Comment
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Jun 2 2012
  UCSB42151  Epilobium campestre Roos, John 1952-6-18 Riverside Edgemont 457 Comment
  RSA589084  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 795 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  CAS-BOT-BC5226  Epilobium canum subsp. latifolium Winifern W. Swarth 1914-9-9 s.n. Riverside San Jacinto Mts. Comment
  LA206124  Epilobium canum subsp. latifolium Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  RSA448475  Epilobium ciliatum Louis C. Wheeler 1932-7-9 928 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR118182  Epilobium ciliatum Mitch Provance, Twoc Tran 1998-5-30 566 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR241648  Epilobium ciliatum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 354 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UC20049  Epilobium ciliatum subsp. ciliatum H. M. Hall Jul 3 1901-Jul 13 1901 2378 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UC69571  Epilobium ciliatum subsp. ciliatum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR25053  Epilobium glaberrimum A. C. Sanders 1980-7-22 1697 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA381724  Epipactis gigantea Burton 1911-5-24 s.n. Riverside Riverside. Comment
  UC4492  Epipactis gigantea H. M. Hall July, 1901 2370 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1645 Comment
  CAS-BOT-BC57247  Equisetum laevigatum Louis C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek 182 Comment
  SBBG34550  Eragrostis mexicana T. L. Secrest 1950-3-11 Riverside near Indio Comment
  RSA598034  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside Terraces Ranch [on Chicago Ave. near Tequesquite Arroyo] 244 Comment
  RSA623563  Eragrostis mexicana subsp. virescens R. E. Riefner 1998-10-15 98 -525 Riverside Menefee-Paloma Valley Comment
  UCR113926  Eragrostis pectinacea Mitch Provance, A. C. Sanders 2000-7-4 2080 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA678263  Eragrostis pectinacea var. pectinacea Valerie L. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1064 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  UCR279372  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42956 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  JOTR36440  Eremothera refracta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3412 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA0104870  Eriastrum densifolium subsp. austromontanum Kathy Harper 1988-5-14 s.n. Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74. Comment
  UCR93085  Eriastrum densifolium subsp. densifolium A. C. Sanders, S. Ogg 1994-7-28 15175 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA0105464  Eriastrum densifolium subsp. densifolium Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  JEPS69038  Eriastrum eremicum subsp. eremicum W. L. Jepson 1901-5-22 1350 Riverside Palm Canyon of San Jacinto 914 Comment
  UC159239  Eriastrum eremicum subsp. eremicum E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  CAS-BOT-BC514473  Eriastrum eremicum subsp. eremicum Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA0043243  Eriastrum eremicum subsp. eremicum Michael Honer, L. Hulse 2004-4-2 1870 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  SD45397  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  UCD169642  Eriastrum harwoodii Dave Silverman; Fred Sproul, Tammy Beyerl, Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, W of Blythe, 1.3 m S of gas line frontage, 1.9 km S of I-10 and 8.5 km west of Nicholl's Warm Spring. 141 Comment
  UCR174123  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32617 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  CAS-BOT-BC515040  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1896-8-1 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  RSA297386  Ericameria linearifolia Larry E. DeBuhr 1972-3-24 533 Riverside Santa Rosa Mts. along forest road 7S02 in San Bernardino National Forest 1768 Comment
  CAS-BOT-BC298878  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  UCR34961  Ericameria pinifolia L. B. Ziegler 1966-10-16 104 Riverside San Jacinto Valley/San Jacinto Mtns. Foothills, Soboba Indian Reservation 503 Comment
  UCR88572  Ericameria pinifolia A. C. Sanders, J. C. Lyman 1995-4-16 16558 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  JOTR36388  Ericameria teretifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3341 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  CAS-BOT-BC294843  Erigeron breweri var. jacinteus Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt. 2499 Comment
  JOTR36385  Erigeron canadensis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3339 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  SD187344  Erigeron canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. 579 Comment
  CAS-BOT-BC296795  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench, Colorado Desert Comment
  UC219102  Erigeron divergens P. A. Munz, D. Keck 1922-4-13 4924 Riverside Colorado Desert, Chuckawalla Valley 152 Comment
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Jun 11 2012
  UCR7884  Erigeron strigosus O. F. Clarke 1968-9-10 s.n. Riverside University of California, Riverside. Botanic Garden 412 Comment
  CDA2092  Eriochloa contracta T. C. Fuller 1962-10-3 9702 Riverside Palo Verde Valley. Northwest corner of Neighbors Blvd. & Avenue 22, 1.4 miles north of Ripley. 0 Comment
  CAS-BOT-BC189081  Eriodictyon crassifolium A. C. Sanders; G. Helmkamp 1997-3-15 19987 Riverside Lake Skinner, SE foot of Bachelor Mountain, just N of the lake 600 Comment
  RSA455023  Eriodictyon crassifolium N. C. Cooper 1949-6-3 4151 Riverside Temecula 762 Comment
  UC73690  Eriodictyon crassifolium var. crassifolium Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR35117  Eriodictyon crassifolium var. crassifolium L. B. Ziegler 1967-5-18 131 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  UCR91619  Eriodictyon crassifolium var. crassifolium D. L. Banks, Steve Boyd 1995-3-30 127 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  UCR241663  Eriodictyon trichocalyx T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 331 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA766436  Eriogonum apiculatum E. L. Peterson 1930-8-28 s.n. Riverside Canyon between Tahquitz Valley Trail and Marion Peak, above Idyllwild. San Jacinto Mts. 1890 Comment
  SD155432  Eriogonum apiculatum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, above east-west primary fire road, below peak. Comment
  UCR102435  Eriogonum davidsonii G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  CDA22575  Eriogonum deflexum T. C. Fuller 1962-10-2 9699 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  RSA784659  Eriogonum elongatum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 66 Riverside South main divide road splitting. Comment
  UCR137035  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2004-5-5 27780 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
  RSA393432  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-6-9 C 2073 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC75787  Eriogonum fasciculatum var. foliolosum Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA393347  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4305 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR193976  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR43412  Eriogonum gracile B. G. Pitzer 1986-5-24 0249 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  RSA66027  Eriogonum gracile var. gracile F. W. Peirson 1922-12-26 3334 Riverside Cabazon, W edge of Colorado Desert. Comment
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Mar 13 2011
  SEINET3289845 Image available Eriogonum gracile var. incultum M. W. Denslow, Firoozeh Navid- Ara; Valeria Soza 2003-7-16 1456 Riverside Peninsular Ranges; San Jacinto Mountains Region: Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  CAS-BOT-BC257582  Eriogonum inflatum G. B. Grant No date on label 6789 Riverside Palm Springs, Colorado Desert Comment
  UCSB8539  Eriogonum inflatum Wedberg, H. 1957-3-23 Riverside Whitewater Cyn Comment
  SBBG64001  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  UCR50888  Eriogonum maculatum A. C. Sanders 1988-5-11 7814 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC270599  Eriogonum molestum James L. Reveal; Caroline G. Reveal 1972-8-9 2866 Riverside Along California Highway 243, 6.5 miles northwest of Alandale Ranger Station and about 0.5 mile south of Bay Tree Spring near the trail to Black Mountain, San Jacinto Mountains Comment
  UC6360  Eriogonum molestum H. M. Hall July, 1901 2386 Riverside wooded slopes and benches of the s side San Jacinto Mountains San Jacinto Mountains 1615 Comment
  JOTR32416  Eriogonum nidularium Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 7 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  UC667355  Eriogonum nidularium Annie M. Alexander and Louise Kellogg 1941-5-15 2188 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  UCR281911  Eriogonum nidularium A. C. Sanders, Jim Malusa 2017-9-19 43343 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.35 km SW (214 deg. ) of Tabaseca Tank 693 Comment
  UCSB9110  Eriogonum pusillum Ewan, Joseph 1929-3-23 Riverside Whitewater Cyn; Colorado Desert 457 Comment
  SEINET3409354  Eriogonum reniforme G. Rink 2013-3-29 11917 Riverside About twelve miles west of Blythe, along the T-line for the proposed Quartzite solar power plant 115 Comment
  CAS-BOT-BC263534  Eriogonum thomasii L. R. Abrams 1926-3-26 11015 Riverside Palm Springs Comment
  UCR139376  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR75076  Eriogonum thomasii A. C. Sanders, E. J. Lawlor 1992-4-4 12120 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC262879  Eriogonum thurberi H. M. Hall 1900-6-1 1400 Riverside Santa Ana River 457 Comment
  SBBG65486  Eriogonum trichopes M. N. Ackley 1928-3-24 874 Riverside Palm Springs to Indio 60 Comment
  SBBG64089  Eriogonum vimineum P. A. Munz 1927-5-21 10860 Riverside Cahuilla Comment
  CAS-BOT-BC264930  Eriogonum wrightii var. membranaceum H. M. Hall 1901-7-1 2608 Riverside Strawberry Valley 1828 Comment
  RSA420617  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-27 s.n. Riverside Gavilan Hills. Comment
  RSA735474  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. 1477 Comment
  JOTR35372  Eriogonum wrightii var. nodosum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. near Inspiration Point 1620 Comment
  RSA682170  Eriophyllum ambiguum var. paleaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10480 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR177023  Eriophyllum confertiflorum Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR230932  Eriophyllum confertiflorum T. B. Salvato, Richard Camacho 2011-6-12 5488 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UC917903  Eriophyllum confertiflorum var. confertiflorum Frank W. Gould 1943-4-18 2150 Riverside 1 mi w Banning (in the foothills of the San Jacinto Mountains); San Jacinto Mountains Comment
  CLARK-A1528-212  Eriophyllum multicaule C. M. Flanagan 1973-4-14 OO 110 Riverside 518 Comment
  UCR16868  Eriophyllum multicaule R. Gagnon 1968-4-13 680413- 01 Riverside Box Springs Mtns, Box Springs Mtns., Pigeon Pass, 3.5 mi. from radio towers along road going up to the towers Comment
  CAS-BOT-BC296974  Eriophyllum wallacei L. R. Abrams 1926-3-25 11006 Riverside Cabazon to Whitewater Comment
  RSA801814  Eriophyllum wallacei LeRoy Gross, Evan Meyer 2013-5-21 6108 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UC729661  Eriophyllum wallacei Carl B. Wolf 1932-5-25 3671 Riverside 1 mi below Fish Hatchery (base of San Jacinto Mts., Snow Creek Canyon); San Jacinto Mts., Snow Creek Canyon 396 Comment
  RSA645532  Erodium botrys Scott D. White 1993-3-12 1138 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  SBBG92109  Erodium brachycarpum J. Hirshberg 1989-4-3 Riverside S of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  RSA701047  Erodium cicutarium Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11296 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
  SD28019  Erodium cicutarium Carl B. Wolf 1932-4-27 3035 Riverside Mecca, 0.75 mile west of Utopia. 500 Comment
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Dec 11 2011
  SEINET269332  Erodium cicutarium Karen Kirtland 1993-6-19 Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles south of the San Jacinto Riv 430 Comment
  UCR226666  Erodium cicutarium Jim Andre 2011-2-18 15821 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR26956  Erodium cicutarium E. W. Lathrop 1966-5-8 6485 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR91444  Erodium cicutarium Scott D. White 1995-3-30 2632 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  CAS-BOT-BC376152  Erodium moschatum L. Nye; G. Gust 2005-3-11 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR241246  Erodium moschatum T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1212 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  POM47109  Erodium texanum Mary F. Spencer 1918-4-12 761 Riverside Palm Springs, toward Indio 107 Comment
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Nov 20 2011
  UC217947  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfield Colorado Desert, Chuckwalla Valley 152 Comment
  UCR12317  Eryngium aristulatum O. F. Clarke 1971-11-14 s.n. Riverside Peninsular Range, Mesa de Colorado on the Santa Rosa Plateau, just north of San Diego Co. line 627 Comment
  SBBG54326  Eryngium aristulatum var. parishii C. Davidson 1977-5-25 5653 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA0018797  Erythranthe guttata N. C. Cooper 1944-5-21 1286 Riverside San Jacinto Mountains, West side 915 Comment
  RSA0014862  Erythranthe primuloides H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA0022931  Eschscholzia androuxii F. W. Peirson 1926-2-22 s.n. Riverside Thousand Palm canyon, near Indio. Comment
  RSA0022940  Eschscholzia androuxii Verne Grant, Alva Grant 1951-4-7 15990 Riverside Below Morongo Valley on road to White Water 732 Comment
  RSA736243  Eschscholzia californica Scott D. White, Jonathan Campbell 2008-4-18 11895 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SD140040  Eschscholzia californica Scott White 1993-4-22 1243 Riverside Nor Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UC118510  Eschscholzia californica Charlotte M. Wilder June, 1905 652 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  LA46237  Eschscholzia minutiflora Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 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
  SD258957  Eschscholzia papastillii Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7647 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. 281 Comment
  RSA480087  Eschscholzia parishii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA799408  Eschscholzia parishii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 738 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  SD260096  Eschscholzia parishii J. Andre 2012-4-11 20783 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  UCR112492  Eucalyptus camaldulensis A. C. Sanders 1998-6-12 21982 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  RSA495797  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-11 2904 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UCD119342  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Plateau, Gavilan Hills: On recent burn, 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR128565  Eucrypta chrysanthemifolia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23906 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  RSA681994  Eucrypta chrysanthemifolia var. bipinnatifida Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10487 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR112407  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23458 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR225185  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Susan Jett 2008-3-20 11834 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCR98684  Eucrypta chrysanthemifolia var. chrysanthemifolia 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
  SEINET3409352  Eucrypta micrantha G. Rink, T. Thomas 2013-3-30 11921 Riverside About 3 miles east of Desert Center 210 Comment
  UCR151046  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA709800  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  UCR133322  Euphorbia albomarginata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR174244  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2006-6-2 33074 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. 579 Comment
  UCR176691  Euphorbia albomarginata R. D. Goeden, Don W. Ricker 1965-6-24 s.n. Riverside Riverside, east of Gage Canal near end of Massachusetts Ave. 320 Comment
  UCR226066  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2011-4-1 38969 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  RSA589758  Euphorbia polycarpa V. W. Steinmann, D. L. Banks 1996-4-20 845 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, just south of the summer cottage along the trail to the water treatment facility. 450 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
  UCR103273  Euphorbia polycarpa B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3575 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR131024  Euphorbia polycarpa Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR98183  Euphorbia polycarpa Scott D. White 1997-2-28 4704 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCD142740  Euphorbia polycarpa var. hirtella A. H. F. 1928-3-1 s.n. Riverside W. of Colorado Desert; Nr. Palm Springs. Comment
  UC1931118  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  JOTR31937  Fagonia laevis La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2175 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  UC569996  Fagonia laevis H. S. Yates 1936-4-7 5445 Riverside 8 mi n Mecca; Thermal Quad. 457 Comment
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  RSA391111  Fagonia pachyacantha W. Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  UCR213574  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37816 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR158252  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30116 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
  UCR97888  Festuca octoflora A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19855 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA629028  Ficus carica Scott D. White 1998-6-28 6793 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  JOTR31057  Filago californica La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2040 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  POM157906  Filago californica P. A. Munz 1927-5-20 10814 Riverside 10 miles south of Hemet Comment
  UCR155942  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 823 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
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR258870  Filago californica T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7907 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
  RSA556451  Filago gallica Julie Greene 1993-4-30 1283 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  UCR239199  Filago gallica Steven R. Hill, A. C. Sanders 2001-5-4 33699 Riverside Peninsular Range, Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pina Colada 381 Comment
  UCR31848  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  SD80098  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-10 426 Riverside Canyon above first turnout east side Santa Rosa Mountain Rd., 0.6 mile above Highway 74. 1524 Comment
  UCR121099  Forestiera pubescens A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA750122  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 175 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  RSA0018947  Fragaria vesca Philip A. Munz 1938-8-13 15320 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA450205  Frankenia grandifolia J. C. Roos 1965-6-30 s.n. Riverside Perris. Comment
  RSA392145  Frasera parryi Albert J. Perkins 1916-8-4 s.n. Riverside Near Idyllwild, Fern Valley Comment
  RSA6011  Frasera parryi Carl B. Wolf 1932-8-4 3928 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  CAS-BOT-BC211022  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts. Penrod Canyon S.E. of Kenworthy Guard Station 1524 Comment
  RSA717478  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA736789  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM48340  Fremontodendron californicum E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon. San Jacinto Mts. Comment
  RSA367716  Fritillaria biflora Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  RSA0106758  Funastrum hirtellum Duncan S. Bell, Amanda Turek 2009-3-29 143 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  RSA778423  Funastrum hirtellum Stephanie Rockwood, Christi Gabriel 2011-10-12 90 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
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Mar 4 2013
  RSA799405  Funastrum hirtellum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 742 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  SEINET10546252  Funastrum hirtellum Charles L. Hitchcock 1932-4-7 Hitchcock 12199 Riverside Corn Springs, eastern Riverside Comment
  POM307260  Galium andrewsii subsp. andrewsii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2126 Riverside Santa Rosa Mountains. Comment
  SEINET3076712 Image available Galium angustifolium B. Pitzer, H. Pitzer, J. Hall 1987-5-23 572 Riverside Whitewater Canyon, from N edge of fish hatchery to ca. 0.5 mi N of it; approximately 5.5 mi N of I-10 on Whitewater Canyon Rd. 732 Comment
  JEPS56069  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4239 Riverside near Maple Creek crossing of road running due e from Vista Grande Guard Station San Jacinto Mts. (open n slope) Comment
  JEPS56071  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4245 Riverside Black Mountain Rd 1/2 mi below Cinco Poses Spring (open s-facing slope); San Jacinto Mts. 2133 Comment
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May 13 2008
  RSA221074  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-5-8 6423 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA523616  Galium angustifolium subsp. angustifolium L. T. Dempster 1962-4-17 1890 Riverside Whitewater Canyon, about1 mile below the Fish Hatchery. Comment
  SDSU12910  Galium angustifolium subsp. angustifolium Jutta Buschbom 1991-6-1 49 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC917858  Galium angustifolium subsp. angustifolium Frank W. Gould 1943-4-17 2121 Riverside 12 mi s Corona Comment
  UCR213474  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37842 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR24919  Galium aparine A. C. Sanders 1980-7-18 1657 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 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
  UCR147554  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1285 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  JOTR33926  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2817 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  CDA6663  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  POM284281  Galium porrigens Lyman D. Benson 1932-3-26 3179 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR151212  Galium porrigens var. porrigens Scott D. White 1999-7-9 7536 Riverside Peninsular Ranges; San Jacinto Mts region, Idyllwild Area: near Idyllwild Community Service District sewage ponds at terminus of USFS Road #S24.2 1433 Comment
  RSA25486  Galium stellatum C. Leo Hitchcock 1940-3-20 5870 Riverside Cottonwood Springs. Comment
  POM9333  Galium stellatum Mary F. Spencer 1920-3-27 745 Riverside Palm Springs. 122 Comment
  JOTR29311  Galium stellatum var. eremicum La Doux, Tasha, Mike Bell 2006-5-17 1388 Riverside Joshua Tree National Park. East Deception Canyon Comment
  CAS-BOT-BC178387  Garrya flavescens Marian L. Campbell 1921-3-22 21 Riverside Foothills near Yucaipa on road to Redlands Comment
  CAS-BOT-BC303573  Geraea canescens Alice Eastwood 1913-4-30 3056 Riverside Palm Springs Comment
  POM13988  Geraea canescens P. A. Munz 1922-4-9 4891 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UC1118442  Geraea canescens H. S. Yates 1937-3-23 6421 Riverside 5 mi nw Edom; Thermal Quadrangle Comment
  UC896831  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin Comment
  UCR103320  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-5 2650 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR260964  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside Sonoran (Colorado) Desert, the Mecca Hills, beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected 23 Comment
  UCR85088  Geraea canescens A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16025 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCR193420  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35639 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA670710  Gilia angelensis B. C. Templeton, I. W. Clokey 1930-4-9 1027 Riverside North Banning 610 Comment
  RSA678447  Gilia angelensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10457 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR169785  Gilia angelensis Scott D. White, Michael Honer 2003-4-25 9114 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR281434  Gilia angelensis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 75 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR84874  Gilia angelensis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16128 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR60262  Gilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3151 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  CLARK-A1528-708  Gilia capitata Ellen Predmore 1971-5-3 Riverside 457 Comment
  RSA470270  Gilia capitata subsp. abrotanifolia N. C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SEINET14643485  Gilia diegensis H. M. Hall 1902-1 2913 Riverside Vicinity of Winchester. 457 Comment
  UCR110972  Gilia diegensis George K. Helmkamp 1998-6-27 4102 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 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
  UCR26529  Gilia ochroleuca A. C. Sanders, S. Hagopian 1981-5-20 2124 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  RSA0016241  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4523 -a Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0016274  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  RSA0017084  Gilia ochroleuca subsp. exilis R. F. Thorne, C. W. Tilforth 1980-5-28 54247 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR121212  Gilia ochroleuca subsp. exilis D. E. Bramlet 1990-4-27 1996 Riverside Peninsular Range; Perris-Aguanga basin region, ridgeline south of Diamond Valley, NW of Crown Valley, 600 ft. west of access road 665 Comment
  UCR256093  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 Riverside Peninsular Range; San Jacinto Mtns., 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
  RSA0016286  Gilia ochroleuca subsp. exilis E. A. Zumbro 1897-05 s.n. Riverside Hemet Valley. 1372 Comment
  RSA0017094  Gilia ochroleuca subsp. exilis D. L. Banks 1997-5-5 1958 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  RSA0107456  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-9 784 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  RSA332592  Gilia scopulorum George K. Helmkamp 1983-3-24 383 -16 Riverside Little Chuckwalla Mtns, north base, 1.5 mi east of Graham Pass Rd. 335 Comment
  UCR80824  Gilia splendens Scott D. White 1993-5-29 1466 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  POM13576  Gilia stellata P. A. Munz, D. D. Keck 1922-4-9 4871 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  POM74531  Gilia stellata Marcus E. Jones 1906-4-30 9986 Riverside Indio. Comment
  UC908831  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2170 Riverside 2.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 838 Comment
  HSC85269  Githopsis diffusa subsp. candida Steve Boyd 1986-4-22 1771 Riverside Temescal Canyon, E side of Indian Wash, S of I-15 Comment
  UCR133395  Gnaphalium californicum Tracy Tennant, T. B. Salvato 1998-6-23 471 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR175077  Gnaphalium californicum Teresa Nieto 2005-4-24 20 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR37484  Gnaphalium canescens subsp. microcephalum Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  UCR121821  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24603 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  JOTR34396  Guillenia lasiophylla Andre, Jim 2012-4-16 20928 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA67370  Guillenia lasiophylla F. W. Peirson 1919-4-13 661 Riverside Along Tahquitz Canyon stream, SE of Palm Springs. Comment
  POM294579  Gutierrezia californica Lyman Benson 1945-11-10 11914 Riverside 5 miles east of Temecula. 457 Comment
  RSA450428  Gutierrezia californica J. C. Roos 1965-9-26 s.n. Riverside Rocky point near Palm Springs Station. Comment
  RSA597056  Gutierrezia californica D. L. Banks, Lauren Raz 1996-11-5 1161 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  UCD132607  Gutierrezia californica Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3653 Riverside Vail Lake area, west base of hills between Temecula and Wilson Creeks. 487 Comment
  CAS-BOT-BC302143  Gutierrezia sarothrae R. F. Hoover 1966-10-15 10172 Riverside Dead Indian Canyon Comment
  JOTR36389  Gutierrezia sarothrae La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3342 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  SFV20156  Gutierrezia sarothrae J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .3 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UC1118605  Gutierrezia sarothrae A. Lewis 1934-5-1 459 Riverside Leach Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UCR182862  Haplopappus squarrosus Mitch Provance 2005-2-19 5702 Riverside San Bernardino Valley, NE extreme of the Jurupa Mtns., slopes south of Fontana Dr. 290 Comment
  RSA0066604  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3045 Riverside Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain. 621 Comment
  SEINET13387099 Image available Helianthemum scoparium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8350 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  POM319674  Helianthus annuus subsp. lenticularis Patricia Wilder 1971-9-29 5270 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA0012944  Helianthus californicus C. W. Tilforth, John Dourley 1970-9-2 306 Riverside Along road to Santa Rosa Mountain. Comment
  RSA707984  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside Indian Creek and adjacent foothills. 549 Comment
  UC1063900  Heliotropium curassavicum H. S. Yates 1936-4-8 5452 Riverside 5 mi. s.e. Coachella; Thermal Quad. Comment
  UCR35180  Heliotropium curassavicum var. oculatum L. B. Ziegler 1974-5-20 525 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  UCR112794  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR3502  Hemizonia kelloggii Frances Miller 1964-5-20 M- 6456 Riverside N Peninsular Range/San Bernardino Valley, base of Box Springs Mtns., 1/4 mi north of end of Big Springs Rd, above RR 366 Comment
  RSA0080067  Hemizonia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman s Retreat Lake. 597 Comment
  RSA550496  Hemizonia pungens subsp. laevis D. E. Bramlet 1991-6-1 2186 Riverside The population is located at the southeast corner of the intersection of Sanderson Ave. and Ramona Blvd., in the San Jacinto Valley. The site is some 61 m. south of Ramona Blvd. and in a ditch on the east shoulder of Sanderson Ave. 139 Comment
  UCR207306  Hemizonia pungens subsp. laevis John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  SBBG122778  Herniaria hirsuta var. cinerea A. Parikh 1990-4-17 151 Riverside 1.4 km S of Potrero Crk, 3.3 km ENE of Gilman Hot Springs 843 Comment
  POM46855  Heterocodon rariflorum Charlotte M. Wilder 1903-07 s.n. Riverside Strawberry Valley, San Jacinto Mountains. Comment
  SDSU13944  Heterocodon rariflorum Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2109 Riverside Wet meadow region, south end of second small meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  SD186321  Heteromeles arbutifolia Andy C. Sanders 2004-6-20 28211 Riverside Peninsular Range: Temescal Canyon, Serrando Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the i-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR94885  Heteromeles arbutifolia G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  SDSU12856  Heterotheca grandiflora Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998C Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S. W. on road to switchback, then ca. 500 feet N.E., heading down to creekbed, south side of road. 244 Comment
  UC481026  Heterotheca grandiflora R. L. Pendleton 1905-9-25 245 Riverside Terraces Ranch Riverside Comment
  POM153366  Heterotheca sessiliflora subsp. echioides P. A. Munz, I. M. Johnston 1928-9-12 11249 Riverside Temescal Canyon. Comment
  SBBG98223  Heuchera hirsutissima M. B. Dunkle 1933-7-19 3688 Riverside Tahquitz Pk 2651 Comment
  SDSU20376  Heuchera hirsutissima Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2900 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  PASA1771  Hibiscus denudatus 1930-3-30 Riverside Near Shavers Well Comment
  CDA5015  Hibiscus trionum T. C. Fuller, F. J. Willmarth 1959-9-24 3083 Riverside Jurupa Avenue, West Riverside. 0 Comment
  CAS-BOT-BC207567  Hoffmannseggia microphylla M. E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR201699  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  SD186088  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Hill 2139 at west end of the Mesa De Colorado, private land on the west side of Vioa Volcano adjacent to the Santa Rosa Plateau Ecol. Reserve. 640 Comment
  RSA0085053  Hordeum glaucum Margaret Murphy 1983-4-15 0007 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA0080440  Hordeum intercedens D. E. Bramlet 2005-3-2 3657 Riverside west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 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
  UCR91873  Hordeum intercedens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18046 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA741165  Hordeum murinum Scott D. White, Justin M. Wood 2008-5-15 12001 Riverside Johnson Meadow. 1415 Comment
  UCR241402  Hordeum murinum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7451 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UC2030122  Horkelia clevelandii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38078 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  RSA0018952  Horkelia clevelandii Robert F. Thorne, Walter Wisura 1977-9-17 50775 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  CAS-BOT-BC55488  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  RSA360705  Hulsea heterochroma Christopher Davidson 1975-6-16 2809 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA126701  Hulsea vestita subsp. callicarpha David Kyhos 1958-5-16 58 -187 Riverside Palms to Pines Highway, 2.5 miles W of Aguanga turnoff, San Jacinto Mts. Comment
  RSA6022  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3939 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  UC1409044  Hulsea vestita subsp. callicarpha Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38088 Riverside above James Reserve (in Hall Canyon); San Jacinto Mts., San Bernardino National Forest, Hall Canyo 1676 Comment
  UC32859  Hulsea vestita subsp. callicarpha H. M. Hall Jun 1 1901-Jul 1 1901 2313 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  UC90384  Hulsea vestita subsp. callicarpha A. W. Anthony 1895-7-5 Riverside San Jacinto Mountains 2743 Comment
  POM41959  Hymenoclea salsola Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  RSA643330  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1974-3-1 s.n. Riverside Colorado Desert: Desert Center 305 Comment
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Apr 5 2011
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  POM225666  Hymenothrix loomisii George Black 1936-11-4 s.n. Riverside Santa Fe Tracks at Southern end of Riverside, Comment
  RSA613641  Hypochaeris glabra D. L. Banks, Victor Steinmann 1997-3-13 1478 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
  CAS-BOT-BC219738  Hyptis emoryi Reid Moran 1941-5-5 854 Riverside Cottonwood Pass, Eagle Mts. Comment
  UC570745  Hyptis emoryi H. L. Mason 1928-3-10 4231 Riverside Coachella Mountains Hidden Springs Canyon; , Hidden Springs Canyon Comment
  UCD124921  Hyptis emoryi B. Pitzer 1998-1-24 3405 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, and wash directly south of road. 499 Comment
  SEINET10498868  Hyptis emoryi Noel H. Holmgren 1973-3-21 Holmgren 6421 Riverside Big maria mtns, 12 m n of downtown blythe. T4s,r22e,sec 35. Common in wash bottom with paloverde. Shrub up to 6 ft tall. 290 Comment
  POM431208  Imperata brevifolia J. C. Roos 1965-6-23 s.n. Riverside Palm Springs Comment
  UC186443  Ipomoea hederacea Gordon Surr 1915-12-5 10739 Riverside Arlington Comment
  UCR80809  Iris hartwegii Scott D. White 1993-5-29 1467 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  RSA33642  Iris hartwegii subsp. australis Robert L. Rutherford 1945-6-17 1672 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 19 2010
  POM183991  Isocoma acradenia var. eremophila P. A. Munz 1932-10-16 12849 Riverside Whitewater Creek 152 Comment
  POM359530  Isocoma acradenia var. eremophila L. C. Wheeler 1931-11-27 375 Riverside 5 miles SE Mecca. -61 Comment
  UCR180385  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11277 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  UCR238739  Isocoma menziesii A. C. Sanders, John F. Green 2012-6-25 40306 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  CDA33830  Isocoma menziesii var. menziesii Mike Lahti 2010-9-2 PDR# 1358814 Riverside Murrieta; Nieblas Rd, 3 miles southeast of Hwy 74. 0 Comment
  RSA702043  Isocoma menziesii var. menziesii Scott D. White, Angelia Carey 2004-9-16 10748 Riverside San Jacinto Mountain foothills: San Jacinto Mountain foothills: Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  RSA199009  Isoetes howellii R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA199005  Isoetes orcuttii R. F. Thorne, P. A. Munz 1968-5-8 37592 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UC11122  Isomeris arborea H. M. Hall Apr 1897 450 Riverside Whitewater; Colorado Desert Comment
  SD234314  Iva axillaris A. C. Sanders 2006-5-11 32264 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr. NE of Alberhill Crk., NW of Enterprise Way. 388 Comment
  CAS-BOT-BC6218  Ivesia callida Harvey Monroe Hall 1901-8-1 2611 Riverside San Jacinto Mountains, near Tauquitz. 2438 Comment
  CAS-BOT-BC426245  Jepsonia parryi A. R. K. 1940-12-7 4784 Riverside Cujalco canon, near Elinore Comment
  SD241064  Juglans hindsii R. E. Riefner Jr. 2009-8-15 09 174 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca 1.5 mile W of I-15 Fwy. (Tremecula 7.5'Q) 298 Comment
  SDSU13313  Juncus arcticus var. mexicanus Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 14 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR651  Juncus balticus S. C. Warner 1956-5-19 s.n. Riverside San Jacinto Mtns., 3 mi up Bautista Canyon Road, near San Jacinto 671 Comment
  RSA563914  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos 460 Comment
  RSA719519  Juncus bufonius Naomi Fraga, et al. 2006-7-11 1725 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR164299  Juncus bufonius S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  UCR201821  Juncus bufonius Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR24958  Juncus bufonius A. C. Sanders 1980-7-22 1731 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UC729901  Juncus macrandrus Carl B. Wolf 1932-8-5 Riverside on trail from Tahquitz Valley to San Jacinto Peak (1st real wet meadow on trail, head of fork of Tahquitz Creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  UC1601831  Juncus oxymeris H. M. Hall 1897-8-20 856 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  CAS-BOT-BC85412  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  JOTR31176  Juniperus californica La Doux, Tasha, G. Clifton 2009-5-14 1974 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA352517  Juniperus californica Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  SD229039  Juniperus californica Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 890 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UCR52213  Juniperus californica Steve Boyd 1985-12-14 1192 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  CAS-BOT-BC234582  Justicia californica 1940-4-6 5972 Riverside 3 mi. below Cottonwood Springs Comment
  LA202789  Justicia californica Nesta Hutchinson; A. M. Martin 1932-3-26 sn Riverside Shavers Well Comment
  RSA402292  Justicia californica P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
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Nov 5 2011
  UC447180  Justicia californica J. Ewan 1931-4-4 4145 Riverside 5 mi. e. Desert Center; Colorado Desert Comment
  UCSB6232  Justicia californica Haller, John 1960-4-2 Riverside North side of U.S. 60-70 miles W. of the south enterance road to Joshua Tree National Monument about 22 miles east of Indio 487 Comment
  POM229522  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA341986  Keckiella antirrhinoides Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54080 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA424825  Keckiella antirrhinoides Martha Hilend 1928-4-8 s.n. Riverside Lake Elsinore, about 3 miles west of lake. Comment
  CAS-BOT-BC236716  Keckiella antirrhinoides subsp. antirrhinoides John Thomas Howell 1930-5-10 4796 Riverside Top of St. John's Grade Comment
  CAS-BOT-BC236725  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-5-13 4987 Riverside 8 mi. up on the Palms to Pines Highway, San Jacinto Mts. 1219 Comment
  SDSU14314  Keckiella cordifolia Joel Tracey 2002-4-20 6 Riverside Santa Margarita Ecological Reserve, Loop Trail 0.42 miles northeast of North Side Feild Station, 0.10 miles east-southeast of Tornado road, north side of trail. 341 Comment
  UCR225154  Keckiella rothrockii subsp. jacintensis Steve Boyd, Gary Wallace 2005-7-30 11656 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
  POM17871  Keckiella ternata subsp. ternata Philip A. Munz, D. D. Keck 1923-6-14 7082 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  UCR178348  Koeleria macrantha Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1054 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SD232265  Krameria bicolor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinksy 2003-4-17 10464 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of Bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SDSU6884  Krameria bicolor Wende E. Rehlaender 1983-5-28 110 Riverside On rocky slope of small ridge between carrizo Creek and Highway 74, about 7.5 miles . along road from Palm Desert; 1.5 miles. NNE of Black Hill. Comment
  UCD107079  Krameria bicolor Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  JOTR38529  Krameria erecta Harding, Mitzi, Kipp Callahan 2012-8-27 300 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  UCR17034  Krameria erecta Anonymous 1969-5-25 3 Riverside Southern Mojave Desert, 8 mi from entrance of Joshua Tree Natl. Monument on road from town of Joshua Tree, sandy wash 2.5 mi north of the road 1250 Comment
  CLARK-A1528-3029  Krameria grayi John C. Roos 1948-4-24 3804 Riverside Whitewater Comment
  CLARK-A1528-5688  Krameria grayi John C. Roos 1946-5-15 3856 Riverside Eagle Mountains Comment
  RSA0051604  Krameria parvifolia Lee Haines 1952-6-1 s.n. Riverside Palms to Pines Highway. 1158 Comment
  SD137869  Lactuca serriola Darin L. Banks, Steve Boyd 1995-10-17 794 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; along lower Arroyo Seco, south of the Dripping Springs Campground. 530 Comment
  RSA612957  Lamarckia aurea D. L. Banks 1997-3-29 1626 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
  SEINET3221824 Image available Lamarckia aurea Howard Gentry, Bruce Gentry 1973-4-16 23192 Riverside Gentry Ranch, 3.5 mi NE of Murrieta. 396 Comment
  UCR41608  Langloisia setosissima A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6112 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA0102805  Langloisia setosissima subsp. setosissima Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8104 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  RSA77075  Langloisia setosissima subsp. setosissima F. W. Peirson 1927-4-12 7177 Riverside Painted Canyon, near Mecca. Central part of Painted Canyon Comment
  RSA0084167  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1456 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SEINET3071617 Image available Larrea divaricata subsp. tridentata John Adams 1965-4-17 128 Riverside Hwy 111, 2 mi. E of Palm Springs near foothjills. 243 Comment
  CSUSB2115  Larrea tridentata Wayne White 1975-5-10 700 Riverside On Highway I-10 to Red Cloud Road Chuckwalla Mts. Colorado Desert 451 Comment
  RSA650092  Larrea tridentata G. Kirstein 1962-4-28 s.n. Riverside Near Indio. Comment
  RSA735214  Larrea tridentata Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11236 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR100085  Larrea tridentata R. G. Swinney 1967-2-4 158 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCSB19494  Larrea tridentata Gerhart, Janet 1963-3-30 Riverside North side of U.S. Highway 66 at Roy Tull Standard Gas Station, 4 miles E of Kelbaker Road 304 Comment
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May 15 2016
  CAS-BOT-BC412730  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside Vicinity of Riverside 304 Comment
  RSA594508  Lastarriaea coriacea D. L. Banks, Dylan Hannon 1996-5-3 994 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA33555  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  RSA523517  Lasthenia coronaria Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3976 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA606368  Lasthenia coronaria Jon E. Keeley 1994-4-7 25292 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  UCR92236  Lasthenia coronaria D. L. Banks, Steve Boyd 1995-5-9 363 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 793 Comment
  UCR182094  Lasthenia glaberrima Michael L. Charters, Tom Chester 2003-6-8 204 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Mesa de Colorado, largest vernal pool, north edge along boardwalk 625 Comment
  JEPS17279  Lasthenia glabrata subsp. coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1486 Riverside Cahuilla Valley Comment
  UCR199640  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR34940  Lasthenia gracilis L. B. Ziegler 1969-4-23 344 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley), near Hemet Lake 1341 Comment
  RSA783251  Lathyrus laetiflorus J. D. Olmsted 1962-5-3 3489 Riverside Edge of Thomas Mountain fire road south of Hemet Lake, NE flank of Thomas Mountain. 1418 Comment
  RSA651396  Lathyrus vestitus subsp. laetiflorus Sandy Gray 1981-5-15 27 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  UC85246  Lathyrus vestitus var. alefeldii D. Cleveland 1882-5-4 Riverside Temecula Comment
  RSA0014946  Lathyrus vestitus var. vestitus LeRoy Gross, Evan Meyer 2013-5-21 6113 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  PASA2317  Layia platyglossa Margaret Stason 1931-5-24 Riverside San Jacinto Mts. Between Idyllwild and Hurkey Creek Comment
  RSA716823  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SEINET7063235  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UC62888  Layia platyglossa H. M. Hall 2909 Riverside vicinity Sage 762 Comment
  UC828958  Layia platyglossa Munz and Johnston 1922-5-19 5419 Riverside Hemet Valley; San Jacinto Mountains 1402 Comment
  UCR59682  Layia platyglossa subsp. campestris Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2985 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  RSA748054  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  CLARK-A1528-70  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  UC856450  Lepidium fremontii Ira L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring Chuckawalla Mts. Comment
  RSA0038387  Lepidium fremontii A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mts. 640 Comment
  RSA429933  Lepidium lasiocarpum M. B. Dunkle 1935-3-31 4435 Riverside Pinto Basin 915 Comment
  RSA68339  Lepidium lasiocarpum F. W. Peirson 1933-4-13 10636 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  POM91009  Lepidium lasiocarpum E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  UCR216444  Lepidium latifolium Nolan M. Ung 2008-5-20 030 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR94261  Lepidium latipes var. latipes Scott D. White 1996-4-14 3894 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCR126377  Lepidium nitidum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 686 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UC218152  Lepidium virginicum Munz and Harwood 1920-3-20 3399 Riverside 5 mi s Corona 304 Comment
  UCR153634  Lepidium virginicum var. pubescens Scott D. White 1999-5-24 7386 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR225214  Lepidium virginicum var. robinsonii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5163 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  CAS-BOT-BC328098  Lepidospartum squamatum W R O no date on sheet 0056 Riverside Bixby Canyon, Temescal Ranch, Temescal Valley Comment
  JEPS30687  Lepidospartum squamatum Peter H. Raven 1961-10-8 16841 Riverside Whitewater Wash along Snow Creek Road, near State Highway 111 350 Comment
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Jun 9 2012
  UCR78662  Leptochloa uninervia Scott D. White 1992-9-11 796 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  RSA775311  Lesquerella tenella Duncan S. Bell 2011-3-20 2066 Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  UC1979598  Lessingia filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-17 0763 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  UCR278881  Lessingia glandulifera Mitch Provance 2012-7-17 712- 21 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
  RSA520551  Lessingia glandulifera var. glandulifera Steve Boyd, D. Bramlet 1988-10-8 2884 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SD229101  Lessingia glandulifera var. glandulifera Dick Schwenkmeyer 2011-8-25 648 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  SDSU4743  Lessingia glandulifera var. glandulifera Florence Youngberg 1933-8-28 1553 Riverside Idyllwild Pines, San Jacinto Mts. Comment
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Jan 24 2013
  RSA197277  Lewisia rediviva var. minor L. B. Ziegler 1965-5-18 s.n. Riverside 1.5 miles north of Kenworthy Ranger Station, Hemet Valley. Comment
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Mar 25 2011
  UCR3376  Limonium sinuatum John Minnich 1964-2-22 64-2-22- 6 Riverside Jurupa Hills, Pedley, vacant lot at corner of Archer and Limonite Streets. 244 Comment
  RSA192343  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1967-5-14 310 Riverside 12 miles SW of Murriet in Tenaja Canyon just below Fisherman's Camp. Comment
  SD231403  Linanthus bigelovii J. Mark Porter, Sarah DeGroot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, about 3 miles north of the intersection with the frontage road of I 10, west of the road on a steep, rocky slope, west of the river. 575 Comment
  UC455667  Linanthus ciliatus I. J. Condit 1910-6-24 Riverside Strawberry Valley San Jacinto Mts. 914 Comment
  UCR151098  Linanthus ciliatus Scott D. White, Julie Greene 1998-8-1 6975 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA720466  Linanthus dianthiflorus Naomi Fraga, Tim Thibault 2006-5-16 1672 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UCR49263  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  OBI53602  Linanthus jonesii B. Pitzer, S. Meyers & J. Wilkinson 1988-2-21 609 Riverside A well-developed desert pavement at S end of Coxcomb Mountains, 0.2 mi N of Hwy 177 (Old Desert Center - Rice Rd.) at a point 10.6 mi NE of Desert Center, on Hwy 177. Comment
  UC23671  Linanthus lemmonii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR23129  Linanthus lemmonii J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UC52446  Linanthus liniflorus H. M. Hall Jun 1901 2098 Riverside vicinity Chalk; San Jacinto Mts. 1524 Comment
  UC52447  Linanthus parviflorus H. M. Hall Mar 1898 Riverside Temescal Comment
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Nov 26 2011
  UCR213886  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  CLARK-A1045-342  Linaria canadensis var. texana George K. Helmkamp 1978-4-8 Riverside Box Springs Mountains Riverside East 7.5Q' Comment
  UCR104597  Linaria canadensis var. texana G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  RSA0010978  Lithophragma affine Scott D. White, W. LaHaye 2000-5-27 7940 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA263664  Lithophragma affine subsp. mixtum E. W. Lathrop 1968-5-22 6915 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA586107  Loeflingia squarrosa var. squarrosa D. L. Banks, Steve Boyd 1995-4-5 0147 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
  RSA340182  Loeseliastrum matthewsii R. F. Thorne, W. A. Tilforth 1980-5-28 54184 Riverside Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  SBBG81479  Loeseliastrum matthewsii S. A. Junak 1983-3-23 1624 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  POM74991  Loeseliastrum schottii Marcus E. Jones 1903-5-10 10043 Riverside Palm Spring. 61 Comment
  RSA0020462  Logfia depressa J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24388 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
  SBBG81494  Logfia depressa S. A. Junak 1983-3-23 1620 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC32051  Logfia depressa W. G. Wright 1889-1 Riverside Colorado Desert Comment
  JEPS33559  Logfia filaginoides W. L. Jepson 1928-4-19 12428 Riverside hills 5 mi n Elsinore 609 Comment
  SEINET251730  Lolium rigidum Walte Graves 2002-6-11 602 -1 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  SD136936  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6740 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero west to junction with Tenaja Trail in north fork Bear Crk 669 Comment
  RSA795513  Lomatium mohavense C. P. Cowan 1978-4-23 1235 Riverside Santa Rosa Mountains. 17.3 mi (27.2 km) S and W on Hwy 74 from jct w/111 at Indian Wells. San Bernardino National Forest. Whittaker transect no.W-221(voucher). 1180 Comment
  UC1167711  Lomatium mohavense Peter H. Raven 1958-5-5 12898 Riverside w. Split Rock Tank (Joshua Tree Nat'l Monument); Joshua Tree Nat'l Monument Comment
  UC874770  Lomatium mohavense Lee Haines 1937-4-11 Riverside Keys View Little San Bernardino Mountains Comment
  CLARK-A1528-7869  Lomatium mohavense subsp. mohavense John C. Roos 1947-3-15 3330 Riverside San Jacinto Mountains 1219 Comment
  UCR262252  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  VVC2875  Lotus argophyllus var. argophyllus Tim Thomas, P. J. MacKay 2010-4-12 5025 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA802097  Lotus crassifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4982 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR24895  Lotus crassifolius A. C. Sanders 1980-7-22 1701 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  POM226886  Lotus hamatus L. R. Abrams 1935-4-7 13677 Riverside 2 mile SW of Perris. Comment
  RSA544375  Lotus hamatus Steve Boyd, T. S. Ross 1991-6-14 6390 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
  RSA614095  Lotus hamatus D. L. Banks 1997-4-5 1698 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR112606  Lotus hamatus A. C. Sanders 1998-5-2 21754 Riverside Santa Ana Mtns., Santa Rosa Plateau, Slaughterhouse Canyon, c. 4 miles (airline) west of Murrieta on Clinton Keith Rd. 488 Comment
  RSA717625  Lotus heermannii Scott D. White 2006-4-27 11284 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  POM13458  Lotus heermannii var. orbicularis P. A. Munz, I. M. Johnston 1922-5-19 5398 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  RSA0018992  Lotus nevadensis Steve Boyd, Gary D. Wallace 2005-7-30 11657 -A Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UCR213843  Lotus nevadensis Scott D. White, Justin M. Wood 2009-5-21 12858 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR256089  Lotus nevadensis var. davidsonii G. D. Wallace 2003-7-8 4034 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  RSA90412  Lotus oblongifolius F. W. Peirson 1924-7-28 5018 Riverside Pine Flats Camp 1799 Comment
  JEPS55548  Lotus oblongifolius var. oblongifolius Carl V. Meyer 1928-7-24 516 Riverside Falls Creek Idyllwild 1889 Comment
  CDA33554  Lotus rigidus Mike Lahti 2010-2-21 PDR# 1501960 Riverside Near Palm Desert, at the base of the Santa Rosa Mountains. 0 Comment
  JOTR31879  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  UC864873  Lotus rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwood Springs Comment
  RSA406832  Lotus salsuginosus var. brevivexillus M. B. Dunkle 1935-3-30 4425 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA90309  Lotus salsuginosus var. brevivexillus F. W. Peirson 1922-4-9 2873 Riverside In canyon eastward from lower part of Palm Canyon. Comment
  RSA653549  Lotus salsuginosus var. salsuginosus Scott D. White 1999-5-24 7402 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  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
  SEINET8721513 Image available Lotus scoparius Jean Coulson 1959-1 87 Riverside Box Spring Mts., .7 mi. N of Blane on Mt. Vernone W. of quarry, 10yrds. 1 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
  JEPS55889  Lotus scoparius var. brevialatus Marjorie D. Clary 1932-6-6 1181 Riverside 15 mi s Indio (Dead Indian Creek, near foot of Palms to Pines Road); Colorado Desert, Dead Indian Creek 304 Comment
  RSA406904  Lotus scoparius var. brevialatus Robert Gustafson 1980-5-5 1571 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA6082  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3665 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  RSA778230  Lotus strigosus Duncan S. Bell 2009-3-8 35 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET3004995  Lotus strigosus G. Rink, M. Baker 2011-4-3 10423 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UC1563077  Lotus strigosus Steve Boyd and Orlando Mistretta 1986-3-13 1471 Riverside ne of Desert Center (w side Palen Mountains); Palen Mountains Comment
  UC1979865  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 891 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UCR178840  Lotus strigosus T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1029 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCR256766  Lotus strigosus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7882 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
  POM9588  Lotus strigosus I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  UCR214161  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 189 Comment
  RSA517817  Lotus tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1434 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  SEINET10838370  Lotus tomentellus David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3709 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  UCR59755  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3031 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR122571  Ludwigia peploides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5981 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  HSC14766  Lupinus albifrons C. L. Hitchcock, C. V. Muhlick 1964-3-17 23099 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  POM295542  Lupinus arizonicus Lyman Benson 1949-3-28 13571 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  POM46817  Lupinus arizonicus Mary F. Spencer 1920-3-12 1493 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  SDSU17531  Lupinus bicolor Jerry Jenkins 2001-4-2 2001 -047 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  RSA582460  Lupinus bicolor subsp. microphyllus K. Watkins 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  HSC87134  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2117 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA771626  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4996 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  UCR160688  Lupinus concinnus John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA557887  Lupinus concinnus subsp. concinnus Steve D. Boyd, Orlando Mistretta 1992-4-22 7018 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA190627  Lupinus concinnus subsp. optatus L. B. Ziegler 1967-6-1 s.n. Riverside Hemet (Garner) Valley, in Kenworthy area. 1402 Comment
  SEINET5558805  Lupinus excubitus H. S. Gentry 1954-1 14258 Riverside Dripping Springs, along Route 79. Comment
  SEINET10451307  Lupinus excubitus subsp. hallii August J. Breitung 1953-4-19 Breitung 14766 Riverside Roadside through hills w of beaumont. Stems woody, fls rose-violet, showy. With yellow center on banner. Comment
  POM125537  Lupinus excubitus var. austromontanus R. Weatherby 1949-6-6 663 Riverside Santa Rosa Mountain. 1982 Comment
  RSA653551  Lupinus excubitus var. hallii Scott D. White 1999-5-24 7405 (2 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UC729971  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-25 3687 Riverside n Banning (Gilman Ranch in the foothills, in small canyon); foothills n of Banning 853 Comment
  OBI48521  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  RSA495448  Lupinus sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2976 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  POM19093  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1923-6-14 7102 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  RSA607352  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1938-5-1 1612 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  SD237444  Lupinus succulentus A. C. Sanders, T. B. Salvato 2011-4-1 38948 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 mk NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash (Lake Elsinore 7.5'Q) 402 Comment
  SD244161  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin: Murrieta, between Hwy 215 and State Route 79 (Winchester Road), .23 mile east of the intersection of Keller Road and Menifee Road (Romoland 7.5'Q) 466 Comment
  SEINET2062675 Image available Lupinus succulentus Ed LaRue 1989-4-21 Riverside Moreno Valley, University of California Riverside agricultural experimental farms, ca 1/2 mi S. of Alessandro Blvd, at NE corner of Cactus Ave. & Nason St. Comment
  RSA500220  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3523 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR41311  Lupinus truncatus N. M. Fellows, A. C. Sanders 1985-4-9 129 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR93022  Lupinus truncatus G. P. Schultz 1994-4-7 s.n. Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  CAS-BOT-BC231416  Lycium andersonii E. A. McGregor 1917-3-18 s.n. Riverside Colorado Desert. 7 mi up Painted Canion [Canyon] Comment
  CAS-BOT-BC231425  Lycium andersonii F. M. Reed 1917-12-1 s.n. Riverside Tequesquite Canon [Canyon], Riverside Comment
  CLARK-A1528-4345  Lycium andersonii John C. Roos 1966-2-12 Riverside Chuckwalla Valley Comment
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May 21 2016
  RSA525671  Lycium andersonii Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4542 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR160093  Lycium andersonii Scott D. White 1999-4-20 7280 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR179764  Lycium andersonii R. E. Riefner Jr. 2006-5-23 06- 203 Riverside Temescal Canyon, near city of Corona, 0.25 mi. SE from Cajalco Rd. at Temescal Wash 254 Comment
  UCR216228  Lycium andersonii Jim Andre, T. La Doux 2009-2-28 10841 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 2.5 mi. north of JTNP boundary, c. 5 miles north of Dillon Road 744 Comment
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Dec 11 2011
  UCR60862  Lycium andersonii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3225 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  UCR49191  Lycium brevipes A. C. Sanders 1985-12-22 5961 Riverside Sonoran (Colorado) Desert, Coachella Valley at old Indian fish traps, E end of Ave. 66 at Jackson Street 0 Comment
  UC884612  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  SBBG70678  Lycium fremontii M. N. Ackley 1928-3-31 981 Riverside Hidden Springs 304 Comment
  UC303698  Lycium torreyi Ivan Johnston 1917-4-4 Riverside Palm Canyon Comment
  UCR230593  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside Peninsular Range; Elsinore Trough, north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  RSA524593  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3908 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  UCR125210  Malacothamnus fasciculatus Mitch Provance 1998-5-24 534 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  UCR256788  Malacothamnus fasciculatus T. B. Salvato, Matthew Malle 2013-5-20 7571 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
  UCR261167  Malacothamnus fasciculatus A. C. Sanders, Katie Young, John Hale 2015-4-22 41599 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  CAS-BOT-BC347712  Malacothrix glabrata Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  OBI8322  Malacothrix glabrata David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12066 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  POM362310  Malacothrix glabrata M. B. Dunkle 1935-3-31 4447 Riverside North of Cottonwood Springs, Colorado Desert 762 Comment
  RSA781532  Malacothrix glabrata Duncan S. Bell 2009-3-8 82 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 479 Comment
  SBBG8611  Malacothrix glabrata C. H. Muller 1952-4-6 9498 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
  SEINET2053710 Image available Malacothrix glabrata Glen W. Forister 1967-3-23 Riverside Whitewater Cyn., on west-facing slope by the Whitewater Trout Farm. 609 Comment
  UC68994  Malacothrix glabrata H. M. Hall April, 1905 5878 Riverside Chuckawalla Bench Colorado Desert Comment
  UCSB6648  Malacothrix glabrata Kamb, Peter 1948-4-11 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 304 Comment
  IRVC75  Malosma laurina Ken Ellis 1965-4-24 s.n. Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  CLARK-A1528-616  Malva parviflora C. M. Flanagan 1971-5-16 Riverside Riverside Comment
  UCR51560  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  OBI37525  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Kieth Rd, just E of the Bear Crk dev golfcourse Comment
  CSUSB585  Marah macrocarpa R. Pirot 1975-4-20 Riverside Juniper Flats Road and Highway 74 at Homeland. 548 Comment
  POM48322  Marah macrocarpa E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, . San Jacinto Mts. Comment
  JOTR28792  Marina parryi La Doux, Tasha 2005-3-30 1061 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR35347  Marina parryi Harding, Mitzi, Mark Wheeler 2012-2-28 114 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  RSA643364  Marina parryi James C. Dice, Kimberly A. Nicol 1998-3-24 980324 1 A Riverside Northwestern Colorado Desert, 9.0 miles (14.4 km) N of Desert Center, along State Highway 177. 163 Comment
  UCR22491  Marina parryi C. S. Jones 1979-3-28 43 Riverside Sonoran (Colorado) Desert, about 1 mi SE of Eagle Mountain near Old Eagle Mtn. Road 351 Comment
  RSA450079  Marsilea vestita J. C. Roos 1965-9-16 s.n. Riverside Lakeview. Comment
  RSA714659  Matricaria occidentalis A. C. Sanders, Guy Bruyea 2004-4-2 27420 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  SD152792  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 Comment
  RSA593899  Medicago polymorpha Steve D. Boyd, David E. Bramlet 1996-4-19 8608 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
  SD187410  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR165193  Medicago polymorpha S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCD107933  Medicago sativa P. B. Kennedy 1921-11-1 s.n. Riverside Mecca. Comment
  SEINET266966 Image available Melica imperfecta D. Atwood, L Stritch 1993-4-2 17894 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands 671 Comment
  UCD87932  Melica imperfecta Geoffrey Levin 1975-4-26 490 Riverside Mayhew Canyon, 1.5 mi. southwest of Glen Ivy on Highway 71. 335 Comment
Read comments
Jun 15 2012
  UCR113150  Melica imperfecta A. C. Sanders 1998-3-11 21682 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR104096  Melica imperfecta var. refracta Scott D. White 1997-5-25 5235 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA535486  Melilotus indicus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6634 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UCR120326  Mentha spicata Mitch Provance 1998-7-23 927 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR109001  Mentzelia affinis D. L. Banks, V. W. Steinmann 1997-4-13 1472 Riverside NW Palomar Mtns., Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79. Hills east of the Dripping Springs alcove and west of Vail Lake Marina Road. 549 Comment
  JOTR30972  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR34131  Mentzelia albicaulis Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21094 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  RSA526512  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR68873  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA795936  Mentzelia involucrata Duncan S. Bell 2009-4-19 260 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 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
  UCR215003  Mentzelia involucrata T. B. Salvato 2010-4-20 4068 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA550272  Mentzelia involucrata var. megalantha Walter Wisura, John Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  UC217915  Mentzelia jonesii P. A. Munz, D. Keck 1922-4-13 4955 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  RSA796509  Mentzelia micrantha Robert F. Thorne, E. W. Lathrop 1977-5-18 49719 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA395915  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavalin Hills-Gavalin Hills: Harford Springs Co. Park. Comment
  UCR126991  Mesembryanthemum nodiflorum A. C. Sanders, Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  CLARK-A1045-189  Micropus californicus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  RSA556449  Microseris douglasii subsp. douglasii Julie Greene 1993-4-30 1289 Riverside San Jacinto Wildlife Area. S of visitor center road and North of the old San Jacinto River drainage 433 Comment
  RSA614099  Microseris douglasii subsp. douglasii A. C. Sanders, George K. Helmkamp 1997-3-15 19995 Riverside Lake Skinner, SE foot of Bachelor Mtn., just north of the lake. 500 Comment
  UCR217528  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-12 008 Riverside Perris-Aguanga Basin, French Valley, southeast foot of the Hogbacks, south of Warm Springs Creek, 0.9km east-southeast of the intersection of Auld Road and Hwy 79 407 Comment
  RSA263703  Microseris heterocarpa E. W. Lathrop 1968-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA741551  Microseris lindleyi Scott D. White, Justin M. Wood 2008-6-16 12117 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR103258  Microseris lindleyi B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3569 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR172232  Microseris lindleyi John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR54249  Microseris lindleyi David Charlton 1988-5-21 1938 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  RSA0106592  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-9 0323 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
  SDSU13909  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA0018773  Mimetanthe pilosa Gary D. Wallace 2003-7-8 4035 Riverside Hidden Lake. Comment
  RSA587176  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  RSA442707  Mimulus aurantiacus var. puniceus Robert Gustafson 1983-4-18 2500 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA27934  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UCR174079  Mimulus brevipes A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32583 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR35251  Mimulus cardinalis L. B. Ziegler 1967-7-26 191 Riverside San Jacinto Mtns, Stone Creek Canyon 1829 Comment
  RSA430184  Mimulus diffusus N. C. Cooper 1949-6-6 2002 Riverside San Jacinto Mts. above Pine Cove 2073 Comment
  RSA450075  Mimulus floribundus J. C. Roos 1952-4-29 5595 Riverside Pigeon, Box Springs Mts. 457 Comment
Read comments
May 21 2011
  UCR19741  Mimulus floribundus E. W. Lathrop 1966-5-1 6229 Riverside Peninsular Range, 3 mi west of Murrieta Comment
  UCR93071  Mimulus floribundus A. C. Sanders, S. Ogg 1994-6-28 15182 Riverside Santa Ana River between the Hwy 60 bridge and the Mission Blvd. Bridge 241 Comment
  UCR110924  Mimulus fremontii A. C. Sanders, Mitch Provance 1998-6-18 21985 Riverside Peninsular Range; San Jacinto Mtns., along Hwy 243 between Pine Cove and Stone Creek, c. 1 km north of Pine Cove 1860 Comment
  RSA535568  Mimulus fremontii var. fremontii David M. Thompson 1988-4-8 869 Riverside 0.4 mi S of Indian Valley Truck Trail interchange (I-15) along frontage road on NE side of I-15. Between I-15 and frontage road near summit of S bank of Indian Creek. 351 Comment
  SEINET4678065  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-23 1307 Riverside Peninsular Range; Temescal Valley: Walker Canyon, 1.5 miles due east of Alberhill, North of Hwy I-15 (Lake Elsinore 7.5ft Q); 0 411 Comment
  UCR241497  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 218 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  PASA127  Mimulus latidens Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  CDA41833  Mimulus pilosus Scott D. White 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region; Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park. Comment
  CLARK-A1528-4264  Mimulus pilosus John C. Roos 1936-9-15 2511 Riverside San Jacinto Mountains Comment
  UCR155835  Mimulus pilosus 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
  CLARK-A1528-4271  Mimulus puniceus John C. Roos 1966-4-29 Riverside Lakeview Comment
  SBBG35039  Minuartia douglasii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  UCR35200  Mirabilis albida L. B. Ziegler 1967-8-25 217 Riverside San Jacinto Mtns, Hemet [Garner] Valley; Thomas Mt. Subdivision 1402 Comment
  UCR104012  Mirabilis bigelovii George K. Helmkamp 1998-4-4 3131 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CSUSB571  Mirabilis californica D. Gordon 1952-2-27 Riverside UCR campus 396 Comment
  UCR103177  Mirabilis californica Scott D. White, Julie Greene 1997-3-12 4772 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  RSA717494  Mirabilis laevis John Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, Greenway site along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs. 396 Comment
  UCR207353  Mirabilis laevis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  CAS-BOT-BC434681  Mirabilis laevis var. crassifolia G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  RSA0027992  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6102 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
  SDSU18725  Mirabilis laevis var. crassifolia C. Matt Guilliams 2008-2-13 451 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  SD123928  Mirabilis laevis var. retrorsa Robert Thorne, Fosberg, et al 1983-4-23 55411 Riverside San Befrnardino Mountains; mouth of Whitewater Canyon, east of Whiotewater Post Office at south end of ridge, in sandy wash east of bridge and on base of west-facing slope of ridge. 410 Comment
  UCD98198  Mirabilis laevis var. retrorsa Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-26 471 Riverside Upper portion ACC road, Andreas Canyon, east slope San Jacinto Mts. 396 Comment
  SEINET8545210  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs. Comment
  SEINET8380172  Mohavea H. M. Hall 1905-4-16 5778 Riverside Canons near Indio Mt. i nthe Colorado Desert, lower Sonoran Zone. 150 Comment
  RSA0024813  Mohavea confertiflora Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4463 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  SBBG7038  Mohavea confertiflora H. and M. Dearing 1942-3-9 4829 Riverside Eagle Cyn near Palm Springs Comment
  UC495307  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside near Deep Canyon (Coachella Valley); Coachella Valley 91 Comment
  CAS-BOT-BC215456  Monardella linoides subsp. linoides Lewis S. Rose 1935-12-23 35697 Riverside Above Deep Canyon, 22 mi. S. of Cathedral city, Colorado Desert, San Jacinto Mts. 1066 Comment
  UC1007166  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside ridge Toro Peak; Santa Rosa Mts. 2286 Comment
  LA96079  Monardella nana Carl Epling; 1942-6-17 sn Riverside Santa Rosa Mountains, Vandeventer Flat, on Pines to Palms Hwy Comment
  POM11507  Monardella nana P. A. Munz 1922-7-6 s.n. Riverside Between Tahquitz and Round Valley. 2287 Comment
  IRVC2059  Monardella nana subsp. arida R. H. Whittaker, W. A. Niering 1963-6-9 SJ 353 Riverside Santa Rosa Mountain Road Peninsular Ranges, Santa Rosa Mountains 1875 Comment
  RSA750401  Monardella nana subsp. arida Elizabeth McClintock 1941-5-22 s.n. Riverside Anza Monument, 5 miles south of Anza, on road to Coyote Canyon. Comment
  RSA97669  Monardella nana subsp. arida R. M. Straw 1954-6-10 607 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  CHSC67960  Monardella nana subsp. leptosiphon Alison Graff 1993-6-23 M- 9 Riverside San Bernardino National Forest, San Jacinto Mtns. 0.1 mi down FS 4S02 from Black Mtn. Rd. (FS 4S01). Comment
  SEINET10895197  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 39 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  CAS-BOT-BC349803  Monoptilon bellioides Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA554011  Monoptilon bellioides A. C. Sanders, E. J. Lawlor 1992-4-4 12130 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SD70775  Monoptilon bellioides David B. Dunn 1948-3-14 3773 Riverside Near Hidden Springs Ranch 5.0 miles south of the Indio Hills in the Colorado Desert. Comment
  UC63199  Monoptilon bellioides H. M. Hall May 17 1901-Jun 1 1901 1836 Riverside e base San Jacinto Mt.; Colorado Desert 762 Comment
  CAS-BOT-BC275295  Muhlenbergia microsperma Munz; Harwood 1920-2-28 3238 Riverside 2 miles SE of Corona 274 Comment
  RSA25135  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR120930  Muhlenbergia microsperma A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24927 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  JOTR33720  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  CAS-BOT-BC275041  Muhlenbergia richardsonis H. M. Hall 1901-7-1 2477 Riverside San Jacinto Mountains. Tamarack Valley 2804 Comment
  UCR137039  Muilla maritima A. C. Sanders 2004-5-5 27756 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
  UC854358  Myosurus minimus subsp. apus P. A. Munz, I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  RSA0025077  Myriophyllum verticillatum Steve Boyd, T. S. Ross 1989-8-28 3800 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA721838  Nama demissa J. R. Bruff 1927-3-12 3 -F Riverside Whitewater. Comment
  RSA721839  Nama demissa J. R. Bruff 1928-4-2 100 Riverside Canyon 1 mile west of Morengo Comment
  SBBG6119  Nama demissa K. K. Muller 1952-4-6 562 Riverside S entrance to Joshua Tree Nat Monument Comment
  RSA484101  Nassella cernua N. C. Cooper 1944-5-6 1174 Riverside Banning. 701 Comment
  RSA736124  Nassella cernua Scott D. White 2008-4-28 11916 Riverside Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  UC1537220  Nassella lepida Gordon H. True 1935-3-11 93 Riverside Mockingbird Canyon Comment
  SD234485  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley; Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR174094  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32550 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  RSA593895  Navarretia fossalis R. E. Riefner 1995-11-29 94 -396 Riverside E side of Davis Rd. San Jacinto Wildlife Sanctuary, 100' N of Old San Jacinto River. Comment
  UCR70513  Navarretia fossalis D. E. Bramlet 1991-6-20 2199 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  UCSB42145  Navarretia hamata Roos, John 1965-6-30 Riverside Ortega Highway, Santa Ana Mtns Comment
  SBBG54315  Navarretia intertexta C. Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  JEPS5228  Nemacladus ramosissimus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 B Riverside San Jacinto River Comment
  OBI42566  Nemacladus ramosissimus A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mts, upper Bee Cyn along the road, 1.3 mi aobve the mouth of the cyn at the San Jacinto River valley 671 Comment
  RSA525254  Nemacladus ramosissimus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4566 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  JOTR32017  Nemacladus rubescens La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2247 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  UCR25988B  Nemacladus sigmoideus John C. Roos 1947-3-15 3354 B Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  SEINET10460969  Nemacladus sigmoideus Wagnon 1944-5-20 WAGNON 387 Riverside Alluvial fan, Tachevah Canyon, Palm Springs Comment
  POM126470  Nemophila menziesii F. M. Reed 1908-2-2 2021 Riverside Box Springs Mts. Foothills Comment
  UCR225595  Nemophila menziesii A. C. Sanders 2011-3-29 38859 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  RSA426661  Nicotiana attenuata Gale Sphon 1955-06 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA0060149  Nicotiana clevelandii D. L. Banks, Steve D. Boyd 1995-10-17 813 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns to the E., Just W of the Metasedimentary hills. 524 Comment
  RSA772059  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4625 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD122192  Nicotiana glauca James C. Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing 245 Comment
  RSA155546  Nicotiana obtusifolia L. S. Rose 1962-3-3 62014 Riverside Palm Desert. 152 Comment
  RSA426706  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7737 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA744303  Nicotiana obtusifolia M. Wall 2009-4-5 503 Riverside Ladder and Painted Canyons east of Mecca. 231 Comment
  UC68733  Nicotiana obtusifolia H. M. Hall 1905-4-29 5946 Riverside McCoy Wash; Colorado Desert 91 Comment
  RSA0018757  Nicotiana obtusifolia Jack Rempel 1932-11-13 16111 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  RSA0018760  Nicotiana obtusifolia Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2331 Riverside Palm Canyon. 244 Comment
  UCR1549  Nicotiana quadrivalvis David L. Davis 1962-4-15 20 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  UC218120  Nolina parryi P. A. Munz 1922-6-30 5920 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  SD236421  Nuttallanthus texanus John F. Green 2006-4-25 Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residental areas, N-S corridor between S General Kearny Road and La Serena Way; E of Veterans park 366 Comment
  POM12929  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  CHSC13600  Oenothera cespitosa subsp. marginata C. Steen 1974-4-9 29 Riverside Found ca. 50 yds. off Date Palm Drive, ca. 2 mi from junction with Hwy. 111. Comment
  RSA659517  Oenothera deltoides J. C. Roos 1966-3-12 s.n. Riverside Indio. Comment
  RSA118387  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22962 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  RSA144927  Oenothera deltoides subsp. deltoides J. W. MacSwain, R. W. Thorp 1959-3-7 59 -47 Riverside 2 miles west of Hopkins Well. Comment
  RSA771509  Oenothera dentata Keith E. Hoffmaster 1937-6-6 760 Riverside Near Valle Vista, Hemet Valley. Comment
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Jun 24 2020
  UCR40267  Olea europaea Steve Boyd 1985-7-23 1004 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 5.5 mi west of Rancho California 396 Comment
  JEPS25893  Oligomeris linifolia W. L. Jepson 1914-5-21 6059 Riverside Indio; Colorado Desert 7 Comment
  UCR72381  Oligomeris linifolia Theo Glenn 1991-5-15 91- 37 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  SD193038  Oncosiphon piluliferum Scott D. White, Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 Freeway corridor, between freeway and frontage road, south of Scott Road. 470 Comment
  SEINET241485  Oncosiphon piluliferum A. C. Sanders, Mitch Provance 2001-5-8 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just S of March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  UCR280191  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place 229 Comment
  LA26723  Opuntia basilaris var. basilaris William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  SBBG88115  Opuntia littoralis A. C. Sanders 1984-4-21 5013 Riverside Moreno Badlands at edge of San Jacinto Valley, along Gilman Springs Rd, 1.5 mi NW of Gilman Hot Springs, 0.4 mi W of Sanderson Ave. (Lamb Cyn Rd) 487 Comment
  RSA285347  Opuntia phaeacantha Lyman Benson 1955-12-6 15625 Riverside Whitewater River canyon 5 miles above US 99. 610 Comment
  POM59001  Opuntia vaseyi L. R. Abrams 1908-07 s.n. Riverside Elsinore. Comment
  JEPS85935  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4521 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  JEPS85939  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4518 Riverside at lower end of Box Canyon near Garfield St. junction of Mecca; Box Canyon 91 Comment
  JOTR32529  Orobanche cooperi Manson, Stacy 2011-4-6 s.n. Riverside Joshua Tree National Park. southeast Pinto Basin; Pinto Wash, along the road to Pinto Wells 304 Comment
  SEINET10500313  Orobanche cooperi David B. Dunn 1946-2-23 Dunn 1987 Riverside Collected in a sandy wash bed beside a boulder in Grotto Canyon. Comment
  RSA0076495  Orobanche fasciculata Steve Boyd, Chris Frazier 1993-4-24 8008 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
  RSA402103  Orthocarpus purpurascens Ernest A. McGregor 1962-4-1 s.n. Riverside On Highway 71, south of Elsinor. Comment
  UC63233  Osmadenia tenella W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1974 Riverside Temascal wash Riverside, Santa Rosa Peak, Palomar 365 Comment
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Nov 27 2011
  UCR23258  Osmorhiza chilensis J. C. Lyman 1981-5-29 s.n. Riverside Peninsular Range; San Jacinto Mtns., Desert Sun School, Idyllwild 1677 Comment
  RSA279603  Oxytheca caryophylloides James L. Reveal, Barbara J. Etter 1976-6-30 4527 Riverside San Jacinto Mts along Highway 243 at the turnoff to Black Mountain north of Idyllwild 1616 Comment
  RSA783249  Oxytheca caryophylloides J. D. Olmsted 1962-5-3 3496 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  UCR165202  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns. Banning/Idyllwild Road 243, 0.9 mi N of Vista Grande Guard Station 1425 Comment
  RSA519058  Oxytheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  UC284803  Oxytheca trilobata P. A. Munz 1923-6-14 7059 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  UC489019  Oxytheca trilobata C. V. Meyer 1929-6-13 759 Riverside Chalk Hill San Jacinto Mts. 1463 Comment
  UCR275947  Oxytheca trilobata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3786 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
  CHSC20923  Paeonia californica Robert A. Schlising 1972-3-19 3013 Riverside SE of Corona, near margin of Cleveland National Forest. Comment
  RSA535468  Paeonia californica Steve Boyd, Orlando Mistretta, Tim Ross 1992-2-2 6660 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UC35598  Palafoxia arida var. arida S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mountain) 152 Comment
  UC831417  Palafoxia arida var. arida Lewis S. Rose 1938-12-19 38327 Riverside 6 mi s Cathedral City 45 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
  SD217187  Panicum capillare Darin L. Banks, Elizabeth Hedge Banks & John B. Hedge 1996-6-6 1122 Riverside Northwest foothills of Dorland Mountain; south end of Los Caballos Road, approximately 20 meters north of the gate to the University of California-Emerson Oaks Reserve, across from the junction with the road to the local golf course, in a vineyard 427 Comment
  UCR242287  Panicum hirticaule subsp. hirticaule A. C. Sanders, T. B. Salvato 2012-10-12 40422 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  CLARK-A1528-689  Papaver californicum Grace Sprague 1968-5-3 Riverside Twin Pines Comment
  UCR280615  Papaver heterophyllum Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 03 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA0042108  Parietaria hespera Duncan S. Bell, Deidre Conocchioli 2014-3-11 6227 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA523506  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3965 -B Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA524466  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4069 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
  RSA698050  Parosela schottii J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  UCR22188  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  CAS-BOT-BC258776  Paspalum urvillei H. A. Gray 1915-6-1 s.n. Riverside Palm Springs R. R. Station, Colorado Desert Comment
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  UCR18677  Pectis papposa Frank C. Vasek 1971-9-9 710909- 03 Riverside Sonoran (Colorado) Desert, about 4 mi SE from junction Iron Mtn. Rd. and Rice Rd., along Aqueduct Rd. Comment
  CAS-BOT-BC355865  Pectis papposa var. papposa S. B. Parish 1912-10-11 8371 Riverside Salton Basin. Flats near Mecca -57 Comment
  UCR272257  Pectocarya heterocarpa Duncan S. Bell, Thomas R. Stoughton 2010-3-19 578 Riverside Mojave Desert, west side of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.5 air miles west of Priest Well 418 Comment
  UCR120964  Pectocarya linearis A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23891 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  CAS-BOT-BC224934  Pectocarya penicillata A. C. Sanders 2011-4-6 39003 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCSB46750  Pectocarya penicillata Roos, John 1966-4-5 Riverside In the hills near Winchester Comment
  POM368818  Pectocarya recurvata Christopher Davidson, J. L. Jones 1980-4-4 9945 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA597413  Pectocarya recurvata L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  UCD120134  Pectocarya recurvata Geoffrey Levin 1976-3-27 688 Riverside Chino Canyon, west of Palm Springs, alluvial fan of the San Jacinto Mountains. 396 Comment
  UCR97288  Pedicularis densiflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3944 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  POM262931  Pediomelum californicum Unspecified 1941-5-10 125 Riverside Pinon flats Camp, Santa Rosa Mts. 1220 Comment
  UCR265835  Pellaea andromedifolia Mitch Provance 2012-5-24 512- 18 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR97463  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA559448  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross 1992-5-5 7220 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA659417  Pellaea mucronata var. mucronata Marcy Keys 1981-5-16 90 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. Comment
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  NY583821  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mile west of Palms to Pines Highway on road to Anza Comment
  POM12004  Penstemon centranthifolius Philip A. Munz, I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch, Morongo Pass. 762 Comment
  RSA33785  Penstemon centranthifolius N. C. Cooper 1944-5-20 1312 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  RSA649972  Penstemon centranthifolius Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild] Comment
  UCR35260  Penstemon centranthifolius L. B. Ziegler 1967-6-1 148 Riverside San Jacinto Mountains, Hemet Valley, near Hemet Lake. 1341 Comment
  CAS-BOT-BC265289  Penstemon clevelandii subsp. connatus Edmund C. Jaeger 1921-4-10 s.n. Riverside Rockhouse Canon [Rockhouse Canyon] Comment
  SD178241  Penstemon clevelandii var. connatus Mitch Provance, Kerry Knudsen and Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains; ca. 0.5 mile south on Santa Rosa Mountain Road from Highway 74. 1402 Comment
  RSA627518  Penstemon grinnellii Scott D. White 1998-7-31 6931 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA412472B  Penstemon labrosus Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  SD229293  Penstemon spectabilis Dick Schwenkmeyer 2012-4-17 690 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SDSU10974  Penstemon spectabilis Thomas A. Zink 1971-7-1 Riverside Alongside Indian Canyon rd. about 1 mile west of junction with Temescal Canyon Rd. at foot of Trabuco Peak. 518 Comment
  UCR214300  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38396 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA186207  Pentachaeta aurea L. B. Ziegler 1966-6-25 s.n. Riverside Between Mountain Center and Keen camp Summit 1463 Comment
  SBBG63075  Pentachaeta aurea Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UCR226785  Peritoma arborea Jim Andre 2011-2-9 15903 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
  CAS-BOT-BC77476  Peritoma arborea var. angustata David Dreyer 1968-4-9 s.n. Riverside 3 miles north of Desert Hot Springs 365 Comment
  JOTR31861  Peritoma arborea var. arborea La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2118 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  CAS-BOT-BC355978  Perityle emoryi H. M. Hall 1902-4-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  RSA0081614  Perityle emoryi Jim M. Andre 2012-4-11 20833 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA0118004  Perityle emoryi Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7624 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UC1070053  Perityle emoryi H. S. Yates 1937-3-24 6473 Riverside near mouth Deep Canyon; Thermal Quad. Comment
  UC1428707  Perityle emoryi J. L. Strother 1973-3-23 1154 Riverside e Mecca; Painted Canyon Comment
  UCR74398  Perityle emoryi Theo Glenn 1991-4-30 91- 63 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  JEPS41248  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep Canyon; Colorado Desert 335 Comment
  POM48456  Petalonyx linearis P. A. Munz, D. D. Keck 1925-3-7 9353 Riverside Painted Canyon, Mecca. Comment
  OBI12447  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  SDSU8047  Petalonyx thurberi Gerald Collier 1951-5-27 Riverside State Hwy 74 about 4 miles west of junction with state Hwy 111. 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
  SD229205  Petalonyx thurberi subsp. thurberi Dick Schwenkmeyer 2012-11-6 860 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
  UCR99789  Petunia parviflora Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1416 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  RSA637509  Peucephyllum schottii Scott D. White 1999-4-21 7246 Riverside East end of Coachella Valley: Bajada between little San Bernardino Mts. and Indio hills. 183 Comment
  SBBG81716  Peucephyllum schottii S. A. Junak 1983-3-23 1633 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET10801061  Peucephyllum schottii David B. Dunn 1948-2-21 Dunn 3664 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. On steep banks of wash, clay. Comment
  RSA0106811  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  RSA348924  Phacelia ambigua Robert F. Thorne, R. Rutherford 1964-4-12 33657 a Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA699149  Phacelia ambigua W. Marquart 1938-12-12 s.n. Riverside 15 mi. W. of Blythe. Comment
  UCR232392  Phacelia ambigua var. minutiflora Dave Silverman, Mark Bibbo 2010-3-30 7836 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 3.0 km W of Black Creek Rd, 5.8 km NE of McCoy Peak, and 7 km north of I-10 195 Comment
  UCR111556  Phacelia brachyloba Mitch Provance 1999-5-4 1704 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR16826  Phacelia brachyloba B. Freeman 1968-5-4 680504- 8 Riverside San Jacinto Mtns., Road from Banning to Idyllwild, c. 1 mi. NW of fork to Twin Pines Ranch. 1159 Comment
  RSA602426  Phacelia campanularia R. S. Woglum 1935-4-20 613 Riverside Sonoran Desert: Coachella Valley, Palm Springs.. . Comment
  JOTR34190  Phacelia campanularia subsp. campanularia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2984 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA799077  Phacelia campanularia subsp. campanularia Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  RSA0106605  Phacelia campanularia subsp. campanularia Robert F. Thorne 1995-3-29 63030 Riverside White Water Canyon. 600 Comment
  UC666577  Phacelia campanularia subsp. vasiformis Harlan Lewis and Carl Epling 1942-4-26 1606 Riverside Morongo Wash Comment
  CAS-BOT-BC133956  Phacelia cicutaria Milo S. Baker 1928-4-3 2834 b Riverside Tahquitz canon near Palm Sps. Comment
  RSA680847  Phacelia cicutaria var. hispida Scott D. White, Michael Honer 2003-4-2 8907 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR132487  Phacelia cicutaria var. hispida Tracy Tennant, J. S. Ross 1998-4-30 MOR- 68 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR225598  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-3-29 38842 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
  UCR250124  Phacelia cicutaria var. hispida A. C. Sanders 2014-4-9 41003 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UCR102923  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2669 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA0110949  Phacelia crenulata var. ambigua Michael Honer, L. Hulse 2004-4-2 1872 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  UCSB46537  Phacelia crenulata var. crenulata Watts, Lisa 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 Comment
  RSA335347  Phacelia distans D. A. Hoover 1985-4-21 383 Riverside Canyon east of the upper Desert wash trail, Southeast of Morongo Valley 793 Comment
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Dec 3 2014
  RSA426205  Phacelia distans N. C. Cooper 1944-3-25 1017 Riverside Morongo Pass. 457 Comment
  RSA426208  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA426209  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  SEINET5760623  Phacelia fremontii N. H. Holmgren, P. K. Holmgren 1974-4-2 7575 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms). 1311 Comment
  JEPS1111  Phacelia imbricata subsp. patula Carl V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  POM19572  Phacelia imbricata subsp. patula Mary F. Spencer 1923-8-4 2224 Riverside Fern Valley Idyllwild, San Jacinto Mts. 1646 Comment
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Oct 30 2008
  UC1228376  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside near Idyllwild (along edge of meadow); San Jacinto Mountains, Saunders Meadow Comment
  CAS-BOT-BC145042  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  RSA715757  Phacelia minor A. C. Sanders 2005-4-22 29606 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SD133067  Phacelia minor Scott White 1991-5-13 91 99 Riverside Hwy 79, immediately W of US Forest Service Campground at Dripping Springs 548 Comment
  UCR214  Phacelia minor R. O. Perez 1955-5-7 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  UCSB5413  Phacelia minor Koran, Jr., John 1958-3-28 Riverside 13 miles North of Palm Springs on Highway 111 Comment
  POM264306  Phacelia mutabilis J. C. Roos 1937-8-18 670 Riverside Round Valley, San Jacinto Mountains. Comment
  UC24421  Phacelia mutabilis H. M. Hall 1901-7-1 2558 Riverside Fuller's Mills Mountains San Jacinto Mountains Comment
  UCR24948  Phacelia mutabilis A. C. Sanders 1980-8-23 1756 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR41464  Phacelia neglecta A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6138 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 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
  RSA0057659  Philadelphus microphyllus var. stramineus P. A. Munz, I. M. Johnston 1924-7-27 8738 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UCR19575  Pholistoma membranaceum I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  RSA0123183  Phoradendron bolleanum Duncan S. Bell, LeRoy Gross 2016-3-30 9171 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  HSC79285  Phoradendron californicum G. K. Helmkamp 1984-5-2 - 11 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  RSA420775  Phoradendron californicum Gale Sphon 1955-5-15 s.n. Riverside Dead Indian Canyon near Palm Springs. Comment
  RSA420779  Phoradendron californicum Ora M. Clark 1929-2-23 1542 Riverside W. Whitewater. Comment
  UC217921  Phoradendron californicum P. A. Munz and D. Keck 1922-4-14 4992 Riverside Colorado Desert, Indian Wells 106 Comment
  UCR148327  Phoradendron californicum John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR48559  Phoradendron californicum J. Glazner 1985-4-5 s.n. Riverside Sonoran (Colorado) Desert, Corn Springs. 5 mi. SSE of Desert Center 274 Comment
  UCR95733  Phoradendron californicum L. C. Wheeler 1956-2-25 7176 Riverside Sonoran (Colorado) Desert, Deep Canyon, south of Palm Desert Comment
  RSA132739  Phoradendron densum Del Wiens 1954-10-19 962 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  RSA747437  Phoradendron densum T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 136 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  CSUSB308  Phoradendron tomentosum subsp. macrophyllum Holzmiller 1966-3-15 Riverside Mary Knoll Ranch near resevoir. 304 Comment
  POM184031  Phoradendron villosum Philip A. Munz 1932-10-16 12847 Riverside Indio to Vandeventer Flat. 1067 Comment
  UCR158898  Phoradendron villosum A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31553 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  UCR96262  Phoradendron villosum Scott D. White 1996-8-1 4444 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  SEINET270228  Physalis angulata G. Helmkamp 1996-1-18 8 -1 Riverside About 2 miles northeast of Blythe 91 Comment
  JOTR32606  Physalis crassifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2670 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
  SEINET10964652  Physalis crassifolia David B. Dunn 1946-2-22 Dunn 1955 Riverside Collected in mud flats dry caked and split. All american canal catch basin from Desert washes. Oracopia mts. Ne of the saltan sea. Very arid country. Comment
  RSA637527  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside Beaumont: 'Oak Valley Golf Course' Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
  LA206256  Pinus coulteri Carl Epling; A. L. Haines 1937-5-7 sn Riverside San Jacinto Mountains, Idyllwild Road Comment
  RSA0065519  Pinus coulteri Peter Gail 1961-5-6 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  RSA384341  Pinus jeffreyi M. B. Dunkle 1933-7-21 3734 Riverside Idyllwild 1616 Comment
  RSA0119891  Pinus monophylla Duncan S. Bell, Thomas Stoughton 2016-4-12 9224 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA384373  Pinus monophylla Gale Sphon 1955-5-22 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCSB148  Pinus quadrifolia Waian, Lee 1960-5-15 Riverside 1/2 miles from Highway 74 on the road to Anza Comment
  POM98009  Pinus quadrifolia E. C. Jaeger 1926-3-27 s.n. Riverside Upper end of Horse Canon, Santa Rosa Mountains. Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136578  Piperia leptopetala Samuel B. Parish 1880-7-1 669 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR23995  Piptatherum miliaceum John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA645324  Plagiobothrys acanthocarpus Steve Boyd, Ian Gillespie 2000-4-15 10301 Riverside Gavilan Hills region: South flank of Alberhill Mountian, just east of the heavily mined area., Near 34 deg 42' 43.5''N 117 deg 22' 39.0''W 463 Comment
  RSA709637  Plagiobothrys acanthocarpus A. C. Sanders, Guy Bruyea 2004-4-2 27448 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA717338  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -B Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  CLARK-A1528-1121  Plagiobothrys canescens John C. Roos 1941-3-22 218 Riverside Reche Canyon 609 Comment
  RSA714658  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR230198  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-29 39361 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR120650  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1791 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  POM13769  Plagiobothrys collinus var. californicus P. A. Munz 1922-4-29 5089 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA145925  Plagiobothrys collinus var. californicus William McKinley Klein, J. E. Klein 1958-2-9 17 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  RSA674550  Plagiobothrys collinus var. californicus Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SD244101  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green. 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new section of Nichols Road, south of Lake Street (Alberhill 7.5'Q) 433 Comment
  UCR112525  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-13 8 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR250567  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-25 41068 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  RSA750554  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2009-5-21 12881 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR256897  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  UCR266326  Plagiobothrys leptocladus D. E. Bramlet 1991-4-29 2083 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR20646  Plagiobothrys tenellus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UC2029934  Plantago erecta Steve Boyd 2001-4-12 10413 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  SEINET12284339  Plantago insularis J. F. Bright, Wyman, C. 1933-1 8059 Riverside near Palm Springs Comment
  HSC86137  Plantago lanceolata B. Freeman 1969-6-28 6906287 Riverside W of Indian Creek, San Jacinto Mts. Comment
  POM319083  Plantago major Patricia Wilder 1970-10-15 4815 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  JEPS22327  Plantago ovata Peter H. Raven 1958-2-15 11563 Riverside Corn Springs Chuckwalla Mountains Comment
  RSA784935  Plantago ovata Duncan S. Bell 2012-2-12 3103 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR227087  Plantago ovata Jim Andre 2011-2-9 15927 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
  UCR245925  Plantago ovata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3942 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  POM145285  Plantago ovata var. fastigiata J. B. Feudge 1926-4-12 1397 Riverside Palm Springs. 152 Comment
  RSA402042  Plantago ovata var. fastigiata N. C. Cooper 1944-5-20 2622 Riverside Pinyon Flats. 1067 Comment
  SD137692  Plantago patagonica Darin L. Banks, Steve Boyd 1995-5-3 293 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD185279  Plantago patagonica A. C. Sanders, J. C. Dice, et al. 1995-3-29 16240 Riverside San Jacinto Mountains; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  SD236358  Platanus acerifolia A. C. Sanders, D. L. Sanders 2008-9-27 36103 Riverside San Bernadino Valley Region: Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and pint NW of Vine Street & Halfmoon Court intersection, c. 1 mile NE of River Road bridge. 164 Comment
  CAS-BOT-BC93213  Platanus racemosa B. D. Stark 1933-11-1 5555 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  UCR21165  Platanus racemosa Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA13858  Platystemon californicus P. A. Munz 1922-4-29 5078 Riverside 0.5 mile south of Lake Elsinore 412 Comment
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Sep 25 2011
  RSA66236  Platystemon californicus F. W. Peirson 1922-5-21 3033 Riverside Along east side of Hemet Valley 1357 Comment
  SD152735  Plectritis ciliosa Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6761 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring 671 Comment
  RSA0041455  Pleuraphis rigida Duncan S. Bell, LeRoy Gross 2014-3-20 6278 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA776383  Pleuraphis rigida Amber Swanson 2011-4-8 372 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 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
  SEINET12534744 Image available Pluchea camphorata G. R. Hall s.n. Riverside Near Riverside Comment
  CAS-BOT-BC356103  Pluchea odorata Mrs. E. C. Van Dyke 1928-5-26 s.n. Riverside Coachella Comment
  POM146224  Pluchea odorata E. C. Jaeger 1927-11-26 s.n. Riverside n end of Salton Sea, in wet soil at Dos Palmos. Comment
  UC130511  Pluchea odorata var. odorata G. R. Hall 1908-1 Riverside Riverside Southern California, Riverside Comment
  JEPS40437  Pluchea sericea W. L. Jepson May 17 1901-Jun 1 1901 1375 Riverside Palm Canyon and return to Van Deventer's Comment
  RSA0014461  Pluchea sericea Justin M. Wood, J. Miner 2010-4-29 1534 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  CHSC109260  Poa pratensis Scott D. White; Justin M. Hood 2008-6-19 12268 Riverside San Jacinto Mountains; Meadows at Baldy Mtn. 1631 Comment
  UCR177175  Poa secunda Scott D. White, Michael Honer 2003-4-25 9122 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR95715  Poa secunda subsp. juncifolia D. L. Banks, Dylan Hannon 1996-5-3 971 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  JOTR34480  Poa secunda subsp. secunda Andre, Jim 2012-4-16 20961 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCR270760  Polygala cornuta subsp. fishiae T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8366 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  SD130270  Polygala cornuta var. fishiae Scott White 1990-6-16 Riverside Cleveland National Forest, east wall of Hagador Canyon, foot of west-facing slope, near mouth, on private land just inside of the Forest boundary 395 Comment
  SD58949  Polygala cornuta var. fishiae E. Norland 1964-6-17 Riverside Just east of Riverside County line on Hwy 74 Comment
  UCR122569  Polygonum hydropiperoides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5985 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  RSA430215  Polygonum persicaria D. Thomason 1987-7-7 s.n. Riverside Lake Cahuilla, Coachella Valley. Comment
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Feb 9 2009
  POM20514  Polypodium hesperium E. C. Jaeger 1923-6-28 s.n. Riverside Long Valley, San Jacinto Mountains 2590 Comment
  RSA0125373  Polypogon interruptus Duncan S. Bell 2016-10-27 10207 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  CSUSB467  Polypogon monspeliensis Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  UCR96862  Polypogon monspeliensis Scott D. White 1993-4-30 1316 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  SBBG125897  Populus trichocarpa A. C. Sanders with R. E. Riefner Jr. 2009-8-11 37158 Riverside Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River, near old boy scout camp 238 Comment
  SD157475  Populus trichocarpa Bill Knerr 1998-7-1 Riverside S16 (Pala Road) junction with Rainbow Heights Road, 3.4 miles south of Hwy 79. Comment
  LA203863  Porophyllum gracile Tom O'Donnell; 1953-5-2 sn Riverside 11 mi. from intersection of highways 111 and 74. On highway 74 Comment
  RSA783821  Porophyllum gracile J. D. Olmsted 1959-4-17 396 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
  UCR89542  Porophyllum gracile Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument; E side of Hexie Mtns., Porcupine Wash, near the junction with Ruby Lee Canyon 732 Comment
  UCR97713  Porophyllum gracile Scott D. White 1997-2-28 4714 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA544379  Portulaca oleracea Steve Boyd, Timothy S. Ross 1991-6-14 6394 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  CAS-BOT-BC267208  Potamogeton foliosus Thorne; P. A. Munz; E. Lathrop 1968-5-8 37564 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  UC434  Potamogeton pectinatus S. B. and W. F. Parish 1891-11-3 2277 Riverside Elsinore Lake Comment
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Aug 8 2010
  SD90366  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, behind the dam 625 Comment
  UCR138765  Potentilla glandulosa Scott D. White 1997-5-18 5161 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  RSA797661  Potentilla glandulosa subsp. glandulosa Robert F. Thorne, E. W. Lathrop 1977-5-18 49765 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  RSA741169  Potentilla gracilis var. elmeri Scott D. White, Justin M. Wood 2008-5-15 12005 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC420560  Potentilla rimicola F. M. Reed 1908-7-13 2529 Riverside summit of Tahquitz Mt.; San Jacinto Mountains, summit of Tahquitz Mt. 2621 Comment
  RSA0040119  Prosopis glandulosa Joseph Brehm 1933-7-5 4943 Riverside Collected at Dos Palmas ACEC along the north fence, 0.5-1 mile north of Aquafarms. Comment
  RSA770434  Prosopis glandulosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4565 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR32425  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  POM2529  Prosopis glandulosa var. torreyana L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  POM348756  Prosopis glandulosa var. torreyana F. kelleher 1930-04 s.n. Riverside Palm Springs. Comment
  RSA0041959  Prosopis glandulosa var. torreyana Duncan S. Bell, Loraine Washburn 2014-4-8 6587 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SD229161  Prosopis glandulosa var. torreyana Dick Schwenkmeyer 2012-11-6 874 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA5534  Prosopis pubescens Carl B. Wolf 1932-10-14 4348 Riverside 2 miles south of Coachella -30 Comment
  CAS-BOT-BC158582  Prunus David Dreyer 1968-4-9 s.n. Riverside Along north facing slopes of south side of Morongo Valley 609 Comment
  NY42610  Prunus fremontii J. B. Walker 1995-3-21 1266 Riverside W of Palm Desert, along Hwy 79, 3km E of Pinyon Flat Campground 1200 Comment
  UCD166228  Prunus fremontii Jack Major 1962-4-16 771 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA160537  Prunus ilicifolia J. D. Olmsted 1959-4-12 369 Riverside 2.5 mi. up Oak flat fire road, having turned off Hw. 91 S. on Lincoln in w. Corona, west of Chase dr. to wash, then south. Drainage Area N to Santa Ana R.[River] 671 Comment
  RSA454142  Prunus ilicifolia Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  UCR265838  Prunus ilicifolia Mitch Provance 2012-5-24 512- 21 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA50327  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning. 1372 Comment
  UCR180389  Psathyrotes ramosissima Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11269 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
  UCR26135  Pseudognaphalium biolettii John C. Roos 1952-2-29 5374 Riverside Reche Canyon Comment
  CAS-BOT-BC356791  Pseudognaphalium californicum Steve Boyd; Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  MACF019489  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 270 Riverside Approx. 5 mi. west of intersection of St. 74 and 243, going toward Hemet. San Bernardino National Forest. 1219 Comment
  RSA526504  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross 1990-5-11 4699 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR266315  Psilocarphus brevissimus D. E. Bramlet 1991-4-3 2109 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  UCR85576  Psilocarphus brevissimus var. brevissimus Julie A. Greene 1993-5-12 1314 Riverside Perris-Aguanga Basin region, South of gated West-East road, east of Davis Rd. 433 Comment
  UCR166802  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-20 05- 238 Riverside SE (c. 0.5 mi) from end of California Avenue, off Florida Avenue (Hwy 74) and N of Stetson Avenue 463 Comment
  RSA581690  Psilocarphus tenellus var. globiferus B. Leatherman 1995-5-4 s.n. Riverside Base of low hills south of Winchester in roadside ditch along west side of Highway 79, about 1/4 mile north of intersection with Newport Road 463 Comment
  RSA713572  Psilocarphus tenellus var. globiferus R. E. Riefner 2005-4-22 05 -239 Riverside Patton Rd. at Patterson Ave. 452 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  HSC66747  Psorothamnus emoryi D. Goforth, D. Reed 1980-3-25 354 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  LA205190  Psorothamnus emoryi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA403994  Psorothamnus emoryi N. C. Cooper 1944-7-15 1552 Riverside Palm Springs. 122 Comment
  UCR89567  Psorothamnus emoryi George K. Helmkamp 1994-3-8 41- 15 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  SEINET2063915 Image available Psorothamnus polydenius R. G. Engard, W. H. Earle 1973-10-10 154 Riverside 5 miles N of Cottonwood Springs, Joshua Tree National Monument. Comment
  CAS-BOT-BC340904  Psorothamnus schottii Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9007 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  CDA27790  Psorothamnus schottii T. C. Fuller 1963-4-23 10287 Riverside Mecca-Blythe Road (Highway 195), 15.8 miles northeast of Mecca. 0 Comment
  GMDRC4953  Psorothamnus schottii J. Andre 2011-2-9 15899 Riverside Mecca Hills; along Box Canyon Rd at upper end of gorge, approx. 6 mi. SSE of Jct with I-10, approximately 12 mi. west of Chiraco Summit 284 Comment
  RSA444302  Psorothamnus schottii W. W. 1988-4-2 4220 Riverside Frontage Rd. off I 10, near pumping station in Pinkham Wash area Comment
  RSA98806  Psorothamnus schottii Philip A. Munz 1926-1-31 9946 Riverside Dos Palmos [Palmas] Spring. Comment
  UC1329933  Psorothamnus schottii James E. Cole 1941-4-16 602 Riverside Southern edge of Riverside County Comment
  UCR126437  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR226788  Psorothamnus schottii Jim Andre 2011-2-9 15899 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
  JEPS41683  Psorothamnus spinosus S. B. Parish 1912-6-28 8167 Riverside Red Canyon near Mecca; Red Canyon near Mecca Comment
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Nov 24 2011
  RSA13819  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UCSB11480  Psorothamnus spinosus Dearing, Hugh; Dearing, Margaret 1940-6-8 Riverside Near Palm Springs Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  POM8825  Pterostegia drymarioides Mary F. Spencer 1920-7-4 s.n. Riverside [Palm?] Canyon 183 Comment
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Nov 19 2011
  RSA678424  Pterostegia drymarioides Michael Wall 2003-4-15 266 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UCR116924  Pterostegia drymarioides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24221 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  CAS-BOT-BC362147  Pulicaria paludosa A. C. Sanders 2002-11-21 25640 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA0094465  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  UCD170868  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCD170871  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR273239  Quercus Mitch Provance, Jeremiah George 2012-1-30 17372 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  HSC101774  Quercus X acutidens J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13187 Riverside Along State Route 74 1227 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
  UC5825  Quercus X acutidens Samuel B. Parish 1891-11-3 2255 Riverside near Murietta Comment
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Jul 15 2009
  RSA50466  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  UCR158895  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31560 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR158899  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31552 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 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
  SEINET10678317  Quercus berberidifolia Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR273036  Quercus berberidifolia Mitch Provance 2012-1-25 17380 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCR89898  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  SD253459  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 33 Riverside Western Riverside County: Badlands wouth of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 751 Comment
  POM12904  Quercus chrysolepis P. A. Munz 1922-6-30 5908 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR273964  Quercus engelmannii Mitch Provance 2012-4-27 412- 32 B Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  RSA652367  Quercus kelloggii William Gilbert 1969-5-24 s.n. Riverside Between Banning and Idyllwild 1524 Comment
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Aug 17 2011
  UCR169243  Quercus kelloggii Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 83 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  RSA645372  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Elder Crk Rd, 0.3 mi. W of Bonny Lane.[UTM: NH-2E, 0N Durasno Valley.] 1265 Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  SD211611  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 06 530 Riverside East of Rainbow Canyon, North of Rainbow Heights, Termite's Hike Trail 594 Comment
  JEPS29289  Rafinesquia neomexicana Rimo Bacigalupi, and L. Heckard, and P. C. Hutchison 1962-3-23 8360 a Riverside 1.9 mi sw San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  POM254899  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA0069664  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 14 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA0124373  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-31 9197 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA472422  Rafinesquia neomexicana N. Cooper 1949-4-8 3281 Riverside Shavers Summit east of Indio 610 Comment
  RSA799884  Rafinesquia neomexicana D. M. Ray 2011-3-5 11 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR1023  Ranunculus cymbalaria J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., stream running into Hemet Lake 1326 Comment
  UC827690  Ranunculus cymbalaria var. saximontanus I. W. Clokey and E. G. Anderson 1935-8-21 6627 Riverside Hemet 1030 Comment
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Mar 24 2011
  UCR35155  Ranunculus cymbalaria var. saximontanus L. B. Ziegler 1967-8-29 216 Riverside San Jacinto Mtns, Meadow in Hemet Valley 1418 Comment
  RSA741014  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-6-18 12231 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  CLARK-A1528-361  Raphanus sativus Fred B. Essig 1966-5-21 Riverside Santa Ana River Comment
  UCR241187  Rhamnus californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 516 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA14295  Rhamnus ilicifolia Daniel Cleveland 1882-5-5 s.n. Riverside Temecula Comment
  RSA356640  Rhamnus ilicifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47294 Riverside Santa Rosa Plateau: Near Tenaja Rd. on N slope of Mesa, S of Squaw Mountain. Comment
  RSA505039  Rhamnus ilicifolia Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  UCR133434  Rhamnus ilicifolia Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 449 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UC723853  Rhododendron occidentale C. Epling, Wm. Robison 1935-6-29 Riverside Mount San Jacinto, Marion Peak Marion Peak; Mount San Jacinto, Marion Peak Comment
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Oct 14 2006
  UCD166229  Rhus ovata Jack Major 1962-4-16 772 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UCR163816  Rhus ovata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  UCR265839  Rhus ovata Mitch Provance 2012-5-24 512- 23 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  CAS-BOT-BC433101  Ribes Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  UC69247  Ribes aureum H. M. Hall 1897-4-10 431 Riverside vicinity Riverside; Eden Comment
  POM229047  Ribes cereum P. A. Munz 1937-5-30 15142 Riverside Rocky Crest, Santa Rosa Peak 2439 Comment
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Dec 18 2011
  RSA797244  Ribes cereum Robert F. Thorne, Walter Wisura 1977-9-17 50782 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR96802  Ribes indecorum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19768 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
  RSA96715  Ribes indecorum E. K. Balls 1954-4-26 19071 Riverside 1/2 way up W side Mt. San Jacinto Comment
  LA205474  Ribes malvaceum var. viridifolium W. E. Pequegnat; 1939-4-8 30 Riverside Santa Rosa Mountains Comment
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Mar 12 2014
  RSA0022087  Ribes montigenum F. W. Peirson 685 Riverside Summit of Mt. San Jacinto. 3262 Comment
  UC55241  Ribes roezlii H. M. Hall 1897-5-19 5635 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1310 Comment
  RSA759122  Ribes roezlii var. roezlii Robt. Allen, Richard Newell 2007-6-19 s.n. Riverside Santiago Peak, NE of the summit, near junction of N Main Divide Road and spur to the summit. 1706 Comment
  RSA162822  Ribes speciosum J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in west Corona, after 3 miles turn W on Chase Dr, s on Oak flat fire road for 4 miles past Olive trees at Oak Flat, Santa Ana Mts. 823 Comment
  SD136827  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside San Mateo Canyon Wilderness Area; Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 609 Comment
  CLARK-A1528-2336  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Whitewater Comment
  CLARK-A1528-372  Rorippa nasturtium-aquaticum Margaret Ferro 1970-5-16 21 Riverside West Riverside 365 Comment
  UC56908  Rorippa nasturtium-aquaticum H. M. Hall Apr. 1902 2958 Riverside vicinity Riverside; vicinity of Riverside 243 Comment
  UCR25953  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  CAS-BOT-BC147541  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UC12864  Rosa californica Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  SD229265  Rubus parviflorus Dick Schwenkmeyer 2012-8-28 827 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR201674  Rumex acetosella Scott D. White, Justin M. Wood 2008-6-18 12236 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA556445  Rumex pulcher Julie Greene 1993-4-17 1224 Riverside West of Davis Road. 433 Comment
  RSA717629  Rumex salicifolius Scott D. White 2006-4-27 11288 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC489273  Rumex salicifolius var. denticulatus C. V. Meyer 1928-7-30 586 Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  POM250474  Rumex salicifolius var. salicifolius I. W. Clokey, E. G. Anderson 1935-8-21 6601 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  UC8370  Sagina saginoides H. M. Hall June, 1901 2203 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  IRVC28189  Salazaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11258 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, along Gas Line Road in major wash system W of Iris Wash drainage. Within boundary of US Navy Choclate Mtn Aerial Gunnery Range Colorado Desert 570 Comment
  UCR16808  Salazaria mexicana S. M. Chambers 1970-5-9 17 Riverside Santa Rosa Mtns., State Hwy 74, c. 4 mi. west of Palm Desert. 457 Comment
  POM184904  Salix exigua H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM2079  Salix exigua D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley. Comment
  UC483070  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  UCR97690  Salix exigua A. C. Sanders, G. Helmkamp 1997-3-15 19967 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  CAS-BOT-BC108103  Salix gooddingii I. Johnston 1917-6-5 1235 Riverside Hills south of Arlington 365 Comment
  JOTR32525  Salix gooddingii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2609 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
  RSA601106  Salix gooddingii A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18103 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  UCR225574  Salix laevigata A. C. Sanders 2011-3-29 38857 Riverside Peninsular Range; Perris-Aguanga Basin Region, canyon in hills between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  CAS-BOT-BC106969  Salix lasiolepis Steve Boyd; Aydee Virgen 2004-4-13 10847 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM319095  Salix lasiolepis Patricia Wilder 1971-3-20 4900 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  POM319099  Salix lasiolepis Patricia Wilder 1970-10-30 4830 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  RSA495463  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2992 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA496743  Salix lasiolepis S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  RSA772842  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4721 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
  CAS-BOT-BC403760  Salpichroa origanifolia F. J. Willmarth 1964-6-15 s.n. Riverside Temecula Hotel, Temecula Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  RSA444943  Salsola tragus N. C. Cooper 1943-10-9 945 Riverside Hemet. 305 Comment
  RSA771350  Saltugilia australis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4480 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC23640  Saltugilia australis A. J. McClatchie April 1892 38 Riverside near Elsinore; near Elsinore Comment
  RSA67069  Saltugilia splendens Verne Grant, Alva Grant 1951-7-21 16103 Riverside San Jacinto Mountains : trail from Idyllwild to Tahquitz Valley. 1707 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
  RSA13284  Salvia apiana P. A. Munz 1922-7-3 5957 Riverside S slopes of Santa Rosa Mts. 1677 Comment
  RSA27034  Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA735189  Salvia apiana Scott D. White, Angelia Carey 2004-6-4 11464 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  UCLA69768  Salvia apiana unknown 1905-5-25 763 Riverside Riverside Comment
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Feb 3 2013
  UCR241121  Salvia apiana Petra Wester 2004-5-22 461 Riverside Peninsular Range/Santa Rosa Mtns., Pines to Palms Hwy, c. 12 km south of Palm Desert 1000 Comment
  SEINET12273087  Salvia apiana Unknown 1936-1 12555 Riverside Jacinto Mts. nr. Palm Springs Comment
  IRVC2086  Salvia columbariae C. Duncan 1965-4-24 none Riverside Rt. 71, Anza-Borrego. Sonoran Desert Comment
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Aug 26 2014
  OBI8239  Salvia columbariae David J. Keil, Malcolm McLeod 1977-3-26 12007 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  POM10097  Salvia columbariae Charlotte M. Wilder 1904-4-6 195 Riverside Wilder's Canyon. Comment
  RSA401482  Salvia columbariae Robert M. Perkins 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA524221  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4015 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SFV4255B  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  UC883893  Salvia columbariae I. W. Clokey 1935-4-18 6864 Riverside Gavilan Peak 600 Comment
  UCLA70055  Salvia columbariae O. A. Plunkett 1926-2-22 Riverside Morongo Pass; Colorado Desert 609 Comment
  UCR216409  Salvia columbariae Michael L. O'Leary 2008-4-16 07 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCR256802  Salvia columbariae T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7866 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCR91454  Salvia columbariae Scott D. White 1995-3-30 2670 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
  UCSB5763  Salvia columbariae Ilch, D. 1932-3-13 Riverside Palm Springs; Colorado Desert Comment
  SEINET12273131  Salvia columbariae J. F. Bright, Wyman, C. 1933-1 8096 Riverside Near Palm Springs Comment
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  RSA6622  Salvia eremostachya B. D. Stark 1933-5-13 4986 Riverside 8 miles up on Palms to Pines road, San Jacinto Mtns. Comment
  RSA727071  Salvia eremostachya Jay Walker, R. C. Walker 3096 Riverside 4.5 miles NE of Pinyon Flats, along hwy 74. Comment
  RSA659478  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside Salt Creek Wash, 3 miles N of Coachella Canal on E base of Orocopia Mtns. 305 Comment
  SEINET244671  Salvia hispanica Joseph Cahill 2000-11-1 3032 Riverside Agricultural operations UCR. Green house. Comment
  RSA613655  Salvia mellifera D. L. Banks, Victor W. Steinmann 1997-3-13 1465 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
  RSA751926  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  UCR108394  Salvia mellifera D. L. Banks, V. W. Steinmann 1997-3-13 1465 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
  UCR213599  Salvia mellifera A. C. Sanders, Matthew Malle 2010-4-23 37987 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR91728  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CHSC203  Sambucus mexicana Sonia R. Westerberg 1938-4-17 Riverside Lake Elsinore Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA556504  Sambucus mexicana Julie Greene 1993-4-3 1083 Riverside [Unspecified] 440 Comment
  RSA596153  Samolus parviflorus D. L. Banks 1996-11-7 1190 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., Approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 473 Comment
  SEINET13945113 Image available Sanicula arguta A. C. Sanders, T. Glenn 1983-1 3733 Riverside Mesa de Colorado, Santa Ana Mountains, 5 miles(airline) SW of Murrieta. (Near 1176 17' W, 33 deg. 31' N). 610 Comment
  RSA180350  Sanicula crassicaulis E. W. Lathrop 1965-5-9 5719 Riverside 6 miles W of Murrieta. Comment
  RSA343867  Sanicula crassicaulis R. F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60659 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  SEINET244780  Sarcostemma cynanchoides A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-7 24174 Riverside Perris-Aguanga Basin; 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 503 Comment
  CLARK-A1528-127  Sarcostemma cynanchoides subsp. hartwegii Fred B. Essig 1967-4-2 Riverside Glen Ivy Hot Springs Comment
  RSA0014458  Schismus arabicus Justin M. Wood, J. Miner 2010-4-29 1531 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UCR196367  Schismus arabicus Naomi Fraga, Lisa Rojas 2005-2-10 1365 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  CLARK-A1528-922  Schismus barbatus Patricia A. Andrews 1975-3-13 5900 Riverside Rubidoux Comment
  SEINET10658860  Schismus barbatus Charles L. Hitchcock, C. V. Muhlick 1964-3-17 Hitchcock 23093 Riverside 3 miles SE of Glen Ivy Hot Springs 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
  RSA800233  Schoenoplectus maritimus Justin M. Wood 2010-6-17 2049 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  UCR202571  Scrophularia californica Scott D. White, Justin M. Wood 2008-7-8 12387 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  POM10106  Scrophularia californica subsp. floribunda Charlotte M. Wilder 1904-4-30 139 Riverside West Riverside. Comment
  UCR281534  Scrophularia californica subsp. floribunda Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 85 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  UCR193357  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35626 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR272178  Scutellaria siphocampyloides Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8568 Riverside Santa Rosa Mountains, along Forest Service Road 7S02 c. 0.7 air mile west of the summit of Santa Rosa Mountain 2253 Comment
  RSA586116  Scutellaria tuberosa D. L. Banks, Steve D. Boyd 1995-4-5 156 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. 503 Comment
  POM6471  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1824 Riverside Lakeview Mountains: south end of Juniper Flat 609 Comment
  RSA495801  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2910 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  RSA559463  Selaginella bigelovii Steve Boyd, T. S. Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA717616  Selaginella bigelovii Scott D. White 2006-4-27 11305 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  SEINET7063442  Senecio A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  UCR34950  Senecio californicus L. B. Ziegler 1969-5-27 367 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UCR97495  Senecio californicus A. C. Sanders, Giles Waines, et al. 1997-3-12 19878 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  JOTR31062  Senecio flaccidus var. douglasii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2044 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  UCR139037  Senecio vulgaris D. L. Banks, V. W. Steinmann 1997-3-13 1427 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR272682  Senegalia greggii Cheryl Sevilla, Sarah J. De Groot 2015-5-6 80 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of the Santa Rosa Mtns., south of La Quinta, 2.1 air miles WSW of Lake Cahuilla 210 Comment
  RSA751919  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  CAS-BOT-BC438208  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Temescal Canyon: Warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd. Comment