Search Results — 2000 specimen records retrieved (1900 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
  SBBG95819  Abies concolor F. C. Vasek 1977-11-25 771125 -1 Riverside below Boulder Basin Cmpgrd Comment
  CAS-BOT-BC229319  Abronia villosa Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  RSA461036  Abronia villosa R. H. Peebles, H. F. Loomis 1930-4-6 200 Riverside Mecca Comment
  RSA462259  Abronia villosa A. N. Dunn, A. Martin 1932-3-26 s.n. Riverside Coachella Comment
  UC912300  Abronia villosa Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  RSA461034  Abronia villosa var. aurita H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA776187  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-10 204 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  SEINET946023  Abronia villosa var. aurita G. Yatskievych, K. McCrary 1984-1 84 -118 Riverside State Route 74 at Pyramid Peak Road (to Thomas Mountain). 1463 Comment
  RSA779627  Abronia villosa var. villosa Duncan S. Bell 2010-4-1 661 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR279406  Acamptopappus sphaerocephalus A. C. Sanders, Jim Malusa 2017-3-25 43021 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
  RSA0117838  Acamptopappus sphaerocephalus var. sphaerocephalus Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7803 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA416163  Acamptopappus sphaerocephalus var. sphaerocephalus Anstruther Davidson 1993-4-10 s.n. Riverside Palm Springs. Comment
Read comments
Mar 20 2013
  UCR3848  Acer negundo Frank C. Vasek 1964-7-26 640726- 01 Riverside San Jacinto Mtns., 2 mi. north of Kenworthy Ranger Station 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
  RSA263721  Achnatherum coronatum E. W. Lathrop 1966-5-26 6341 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SBBG122757  Achnatherum coronatum A. Parikh 1990-5-10 165 Riverside S shore of Diamond Valley Lake, 3.4 km S of jct of Warren and Simpson Rds, 4.9 km E of Winchester Rd 543 Comment
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Apr 23 2011
  CAS-BOT-BC389742  Achnatherum hymenoides M. Danielson 1963-12-23 s.n. Riverside Garnet Dunes Comment
  RSA559928  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  CAS-BOT-BC384736  Achyronychia cooperi Ira L. Wiggins 1941-3-24 9565 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio Comment
  RSA423491A  Achyronychia cooperi Anstruther Davidson 1983-4-10 s.n. Riverside Palm Springs. Comment
Read comments
Mar 20 2013
  SBBG1974  Achyronychia cooperi H. and M. Dearing 1931-12-26 217 Riverside near Indio Comment
  SD107125  Acmispon glaber B. Ertter, J. Strachan 1979-6-26 2983 Riverside Hwy 243 near Idyllwild, San Jacinto Mts, decomposed granite of roadside. Comment
  RSA801954  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCD104284  Acmispon rigidus Nancy Ryan Zabriskie 1973-2-23 565 Riverside Boyd's Rd. Lookout, Deep Canyon, N Slope Santa Rosa Mts. 853 Comment
  SEINET3208888  Adenostoma fasciculatum G. Goodwin 2012-6-14 3443 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  SEINET5537633  Adenostoma fasciculatum R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  UCR155319  Adenostoma fasciculatum A. C. Sanders, Mike Misenhelter 2005-3-23 29248 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA516749  Adenostoma fasciculatum var. fasciculatum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  CAS-BOT-BC139871  Adenostoma sparsifolium Louis C. Wheeler 1941-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  SBBG70868  Adenostoma sparsifolium R. C. and J. R. Robbins 1923-2-15 Riverside Pinyon Flat, Palms-Pines Rd Comment
  UC1127730  Adenostoma sparsifolium A. E. Wieslander 1936-8-28 677 Riverside ridge n. of South Fork of San Jacinto R.; San Bernardino Nat'l Forest, San Jacinto Quad. Comment
  CAS-BOT-BC69646  Adiantum capillus-veneris Nancy Ryan Zabriskie; Walter Zabriskie 1971-11-27 466 Riverside Ca. 25' n. of stream bank, ca. 200 yds. below juncture with north canyon; Andreas Canyon, e. slope San Jacinto 359 Comment
  UC63089  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 Riverside in meadows of Thomas Valley; San Jacinto Mountains 1371 Comment
  UCR193964  Agrostis A. C. Sanders 2008-7-25 35887 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
  UCR24966  Agrostis scabra A. C. Sanders 1980-8-21 1780 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  UCR2131  Agrostis viridis F. M. Reed 1903-6-5 171 Riverside South Coast; San Bernardino Valley, Riverside, wet ground at outlet of lake in Fairmont Park 238 Comment
  RSA778011  Aliciella latifolia subsp. latifolia J. Andre 2011-2-9 15924 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA24222  Allenrolfea occidentalis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, E side of Salton Sea. 1/2 way between Date Palm Beach and Salton Beach. -70 Comment
  UC63836  Allium burlewii H. M. Hall 1901-6 2310 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 1981 Comment
  RSA0048296  Allium burlewii A. L. Haines 1951-5-19 5145 Riverside Fern Basin Camp, San Jacinto Mts. 2133 Comment
  RSA777143  Allium haematochiton Steve Boyd 2010-5-16 12275 Riverside San Jacinto Mountains: Northwestern base of San Jacinto Mountains along Highland Springs Ave., 1.5 miles S of Breckenridge Ave, City of Banning. 732 Comment
  RSA543601  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6133 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR22139  Allium munzii Steve Boyd 1980-5-17 289 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  RSA70238  Allium peninsulare F. W. Peirson 1930-5-10 8773 Riverside St. Johns Grade. south of Hemet 610 Comment
  CAS-BOT-BC475413  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  CAS-BOT-BC475416  Allium praecox Scott D. White; Justin Wood 2008-3-25 11772 Riverside Perris/Elsinore BAsin; Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area 366 Comment
  SD181421  Allophyllum glutinosum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains; near Mountain Center; unnamed ephemeral drainage (tributary to South Fork, San Jacinto River). 1402 Comment
  RSA770414  Alnus rhombifolia Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4887 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  CLARK-A1528-1398  Amaranthus hybridus John C. Roos 1965-10-13 Riverside Corona Comment
  SFV7070  Amaranthus palmeri T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 770 Riverside Blythe. Adjacent to small oxbow lake just north of Collis Mayflower County Park. 85 Comment
  CLARK-A1528-1405  Amaranthus retroflexus John C. Roos 1965-8-4 Riverside Arlington Comment
  RSA650127  Ambrosia J. G. Page 1949-2-1 s.n. Riverside Colledted 30 mi. East of Blyth. Comment
Read comments
Mar 27 2014
  RSA33313  Ambrosia acanthicarpa N. C. Cooper 1943-10-9 958 Riverside Hemet. 305 Comment
  SD187332  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  CAS-BOT-BC22593  Ambrosia dumosa William S. Davis 1960-3-12 102 Riverside Box Canyon, 7.7 miles W of Junction with US Highway 60-70. Comment
  OBI17101  Ambrosia dumosa Tracey Call 1962-4-6 2115 Riverside 4 mi w of Desert Hot Springs at rd jctn Comment
  POM198001  Ambrosia dumosa Joseph A. Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet Comment
  POM38893  Ambrosia dumosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA457783  Ambrosia dumosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SD143584  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 Riverside Coachella Valley, Palm Springs, southwest side of Highway 111, 1.3 miles southeast of Ovcerture Drive at foot of San Jacinto Mountains 274 Comment
  SEINET2043626 Image available Ambrosia dumosa C. M. Hanagan 1971-5-22 Riverside Approximately 1/4 mi. from the corner of Sunnyslope and Bagley Drive in 29 Palms Comment
  UC1922419  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCD128796  Ambrosia dumosa Geoffrey Levin 1976-10-17 1185 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  UCR263655  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 021 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  SEINET10882134  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2041 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC30794  Ambrosia ilicifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  SEINET3146993  Ambrosia salsola Unknown 1906-1 609 -6736 Riverside Collected on Colorado desert at Palm Springs, Sothern California Comment
Read comments
Jul 29 2013
  CAS-BOT-BC142931  Amelanchier utahensis C. B. Wolf 1931-5-11 1955 Riverside Near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  RSA737226  Ammannia coccinea Justin M. Wood 2008-9-22 146 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR277723  Ammannia coccinea Mitch Provance 2012-11-3 1112- 08 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCR26281  Ammannia robusta John C. Roos 1952-5-16 5672 Riverside Perris-Aguanga Basin region, San Jacinto River bottomlands, 1 mi. SE of Perris. 427 Comment
  RSA596775  Amorpha fruticosa D. L. Banks, K. D. Hedge 1996-5-16 1041 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  UCSB19371  Amorpha fruticosa Haller, John 1950-5-20 Riverside Base of San Jacinto Mtns., Hemet-Idyllwild Road, opposite Cranston Ranger Station 609 Comment
  UCR162546  Amsinckia John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  RSA0089991  Amsinckia douglasiana Severauce 1926-2-20 s.n. Riverside Murray Canyon. Comment
  RSA556478  Amsinckia intermedia Julie Greene 1993-3-13 1002 Riverside between ranch fence and permanent pond. 441 Comment
  UCSB33365  Amsinckia intermedia Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W. of orange grove at 3000 McAllister Rd. in Riverside 457 Comment
  RSA0089938  Amsinckia menziesii D. E. Harvey 1969-4-20 690420 -2 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  RSA689377  Amsinckia menziesii var. menziesii Scott D. White 2001-4-19 8384 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR72187  Amsinckia tessellata Theo Glenn 1992-3-31 92 9 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA407736  Anagallis arvensis Steve Boyd 1986-5-1 1804 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR260563  Ancistrocarphus filagineus T. B. Salvato 2015-4-2 8107 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  UCR109474  Andropogon glomeratus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19657 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  CAS-BOT-BC137842  Andropogon glomeratus var. glomeratus Lewis S. Rose 1935-12-27 35703 Riverside Palm Canyon. Comment
  UCR35266  Anemopsis californica L. B. Ziegler 1969-7-4 385 Riverside San Jacinto Mtns., Hemet Valley. Near Hemet Lake 1341 Comment
  UC489207  Antennaria rosea C. V. Meyer 1928-7-27 556 Riverside Tamarack Valley San Jacinto Mt., Tamarack Valley 2834 Comment
  UCR174960  Anthemis cotula Teresa Nieto 2005-5-26 53 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SEINET2044246 Image available Antheropeas wallacei A. C. Sanders, Dave Hawks 1986-4-16 Riverside On the ridge above Whitewater Canyon, W of Bonnie Bell. Whitewater UTM, 10kmcell: NH-N5, E3. 915 Comment
  SDSU10451  Antirrhinum coulterianum Charles F. Phleger 1962-5-12 Riverside Collected on Hwy 74, 5 miles E of Hemet. Comment
Read comments
Jul 8 2009
  UCR158507  Antirrhinum coulterianum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30035 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
  UCR160124  Antirrhinum coulterianum J. Chandler 2003-6-24 1261516 Riverside Peninsular Range, Vacant lot across from 42525 Wildwood Lane, Aguanga 1006 Comment
  POM183981  Antirrhinum filipes Philip A. Munz 1932-3-14 11996 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA0123683  Antirrhinum filipes Duncan S. Bell, LeRoy Gross 2016-3-9 8858 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
  UCR280616  Antirrhinum kelloggii Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 034 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  SEINET3158975  Antirrhinum nuttallianum subsp. nuttallianum D. M. Jackson, R. W. Spellenberg 1972-5-19 191 Riverside growing 9.5 mi S of Hemet Comment
  RSA496373  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3048 Riverside Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain. 621 Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR130850  Apium graveolens S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  POM366957  Aquilegia formosa Robert L. Rutherford 1945-6-17 1673 Riverside Burned Canyon, Banning. 1220 Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  RSA629158  Arctostaphylos Jon E. Keeley 1992-7-17 16788 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629398  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19527 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SDSU18344  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 371 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  RSA629438  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16557 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  HSC85394  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Rd. Comment
  LA42413  Arctostaphylos glauca D. Dunn; 1941-1-12 674 Riverside opposite the Hemet Ranger Station Comment
  RSA631800  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19568 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  UCR111068  Arctostaphylos glauca Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
Read comments
Feb 3 2017
  RSA633630  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22658 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633632  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22656 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA635304  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22536 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  SEINET3093967 Image available Arctostaphylos pringlei Paul Lamos 1972-4-16 0416720501 Riverside .5 mi. north Lake Filmore highway 243 1646 Comment
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Mar 13 2018
  UCR95964  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  LA42245  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA635994  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21612 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA635996  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21608 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  SD125999  Arctostaphylos rainbowensis Steve Myers 1987-9-28 Riverside Santa Rosa Plateau 730 Comment
  SD180718  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 399 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UCR274184  Arctostaphylos rainbowensis Dick Newell, Judy Booth 2015-10-25 413 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.62 miles SSE of Hacienda Rd., 0.68 mile NW of Elsinore Peak 932 Comment
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Mar 1 2020
  UCR57230  Arenaria douglasii Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta, on clay hillside at edge of road below Mesa De Burro Comment
  UC1361894  Arenaria macradenia var. macradenia Reid Moran 1968-8-3 15366 Riverside Santa Rosa Mtn. Santa Rosa Mtn. (1 mile w of summit) 2150 Comment
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Jan 2 2010
  UC1040951  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-5-22 2112 Riverside 2.8 mi se Palm Springs Comment
  UC68528  Argemone munita H. M. Hall Apr 1905 5970 Riverside Colorado Desert, Chuckawalla Mountains Chuckawalla Mountains; Colorado Desert, Chuckawalla Mountains Comment
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  RSA434322  Argemone munita subsp. munita N. Cooper 1949-6-29 4289 Riverside East side of San Jacinto, dry roadside bank 1524 Comment
  CAS-BOT-BC137650  Aristida adscensionis Carl B. Wolf 1932-4-27 2987 Riverside Colorado Desert. 14 miles east of Mecca on Blythe Road (east of Shavers Well). 152 Comment
  CAS-BOT-BC137653  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  JOTR35378  Aristida adscensionis Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 167 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  OBI75985  Aristida adscensionis James M. Andre 2011-2-9 15906 Riverside Mecca Hills; along Box Cyn Rd at upper end of gorge, approx 6 mi SSE of jctn with I-10, approx 12 mi W of Chiraco Summit 284 Comment
  SD215339  Aristida adscensionis W. Wasura, J. Dolan and M. Wall 1992-3-25 4651 Riverside Lowdesert: 2.7 miles South of prison on Wileys Well Road. Comment
  UCD56429  Aristida adscensionis Geoffrey Levin 1976-10-17 1176 Riverside Colorado Desert, Mecca Hill, Salton Sea Basin, Box Canyon, about 11 miles east of Mecca. 91 Comment
  UCR72762  Aristida adscensionis Megan Phillips 1991-10-17 92- 20 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Springs, Tahquitz debris bain at base of Tahquitz Canyon, off Sunnydunes Drive Comment
  RSA0027480  Aristida adscensionis Deidre Conocchioli, Sarah J. De Groot 2013-9-18 48 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 122 Comment
  SEINET3127921  Aristida californica H. M. Hall 1905-5-1 5963 Riverside Canons along Colorado River, Colorado Desert Comment
  POM1099  Aristida californica var. californica H. M. Hall 1905-05 5963 Riverside Canyon along Colorado River. Comment
Read comments
Nov 21 2011
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  CLARK-A1528-4482  Aristida purpurea John C. Roos 1965-8-15 Riverside San Jacinto Valley Comment
  SEINET251713 Image available Aristida purpurea Unknown 1995-3-19 16181 Riverside Coachella Valley / San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. 795 Comment
  RSA750740  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2009-5-22 12907 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SEINET10513118  Aristida purpurea var. fendleriana David Griffiths 1905-7-20 Griffiths 8008 Riverside 1 mile east of Baurring. Comment
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Sep 3 2017
  UCR19699  Aristida purpurea var. parishii John C. Roos 1965-6-13 s.n. Riverside San Jacinto Mtns., west base of the mountains near San Jacinto River, near Hwy 74 Comment
  RSA0121061  Aristida purpurea var. wrightii Duncan S. Bell, Thomas Stoughton 2016-3-16 8947 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR41593  Aristida purpurea var. wrightii A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen, R. Kniffen 1986-3-3 6128 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCD56874  Aristida ternipes var. gentilis H. S. Yates 1937-6-27 6709 Riverside lower San Jacinto River Canyon. 640 Comment
  UC1931001  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside at 4291 Alta Vista Dr. Comment
  CAS-BOT-BC90189  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Harford Springs County Park 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
  SD48524  Artemisia californica E. K. Balls, P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  UCSB9169  Artemisia douglasiana Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  JEPS36925  Artemisia dracunculus Carl V. Meyer 1928-7-30 597 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow 1676 Comment
  UCR235097  Artemisia dracunculus A. C. Sanders, John F. Green 2012-5-27 40199 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  SEINET228572  Artemisia tridentata subsp. tridentata Walter Wisura 1982-5-25 Riverside San Jacinto Mountains, pacific Crest Trail, south of Kenworthy 1372 Comment
  JEPS5170  Asclepias californica W. L. Jepson 1939-4-19 19214 Riverside w Aguanga; Dripping Spring Comment
  UC22959  Asclepias californica H. M. Hall June 1901 2159 Riverside Vandeventer Flat San Jacinto Mountains 1432 Comment
  JEPS6280  Asclepias erosa W. L. Jepson May 17 1901-Jun 1 1901 1346 Riverside Palm Canyon (upper end) Mt. San Jacinto Range Comment
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Sep 15 2015
  RSA401251  Asclepias fascicularis M. M. Thompson 1947-8-23 C- 2025 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  SD113030  Asclepias subulata Darley F. Howe 1963-5-15 3481 Riverside 28 miles north of Blythe on #95 149 Comment
  SEINET10779844  Asclepias subulata Mrs. B. L. Clary 1931-5-3 Clary 177 Riverside Box Canyon, Colorado Desert Comment
  RSA85574  Aspidotis californica J. C. Roos 1952-4-9 5499 Riverside north side of Mt. Rubidoux 381 Comment
  SD217158  Aspidotis californica Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6637 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
  SEINET175012 Image available Aspidotis californica F. M. Reed 1920-4-20 5829 Riverside Summit of grade between Pala and Temecula. 914 Comment
  UCR89799  Aspidotis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3341 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CHSC8461  Astragalus Edward Laidlaw Smith 1958-3-22 400 Riverside Sand dunes 3 mi. s. Rice. Little Santa Maria Mt. Range. Colorado River drainage area. 335 Comment
  UCSB3031  Astragalus J. R. Haller 1957-3-23 1028 Riverside collected 1.0 mi N, in theCottonwood Springs at the southern boundary of Joshua Tree National Monument U S Highway 60 - Cottonwood Springs and U S Highway 60 609 Comment
  JOTR34067  Astragalus acutirostris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2964 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA0054857  Astragalus aridus W. Marquart 1938-3-12 s.n. Riverside Ten mi. West of Blythe. Comment
  RSA415490  Astragalus douglasii var. parishii M. B. Dunkle 1933-7-20 s.n Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA415492  Astragalus douglasii var. parishii Robert Kessler 1921-9-1 s.n Riverside Summit of Tahquitz. 2439 Comment
  RSA524458  Astragalus gambelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4061 Riverside Vail Lake Area, summit of Big'' Oak Mts. at E end. 792 Comment
  CAS-BOT-BC187112  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-5-1 77 a-6747 Riverside Colorado Desert at Palm Springs Comment
  RSA498235  Astragalus lentiginosus var. coachellae F. W. Peirson 1920-2-17 s.n. Riverside Whitewater River, Colorado Desert, river at bridge. 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
  SD143258  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 98032 3 Riverside Northwestern Colorado Desert, 7.1 miles north of Desert Center, along State Highway 177. 163 Comment
  POM229797  Astragalus leucolobus P. A. Munz 1937-5-30 15134 Riverside Santa Rosa Peak. 2409 Comment
  RSA0124744  Astragalus nuttallianus var. imperfectus Duncan S. Bell, LeRoy Gross 2016-3-9 8841 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA631065  Astragalus nuttallianus var. imperfectus L. C. Wheeler 1953-3-31 7039 Riverside Near Mountaineer Mine. Comment
  OBI35667  Astragalus pachypus var. jaegeri Louis B. Ziegler 1968-3-27 268 Riverside Base of San Jacinto Mts. On Poppet Flats Rd Comment
  CAS-BOT-BC192755  Astragalus palmeri Milo S. Baker 1928-4-4 2851 b Riverside Hiway a few mies South Palm Sps. Comment
  CLARK-A1045-117  Astragalus palmeri George K. Helmkamp 1978-4-1 Riverside Pinyon Flat Pinyon Pine[s] area, [flats] above Deep Canyon; Palm Desert 15'Q Comment
  RSA0121041  Astragalus palmeri Duncan S. Bell, LeRoy Gross 2016-3-29 9126 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SEINET2060250 Image available Astragalus palmeri Dearing Herbarium 1936-12-26 837 Riverside Pines to Palms Hwy Comment
  SD181525  Astragalus pomonensis Scott D. White 1999-5-2 7284 Riverside Perris Basin, Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1I(c)-2 miles west of I-215 freeway. Occasional in sandy soil. USGS Romoland 7.5' quad. 440 Comment
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Nov 26 2012
  UC574974  Astragalus pomonensis C. Epling and J. Ewan June, 1933 Riverside 5 mi above Corona (Temescal Canyon); , above Corona Comment
  UCR126375  Astragalus pomonensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 683 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR91989  Astragalus pomonensis Michael A. Patten 1993-4-28 s.n. Riverside Murrieta, 3/4 mi. NW of California Oaks Road, 1/8 mi. NE of Interstate Hwy 15 366 Comment
  SEINET10486810  Astragalus vaseyi L. Rose 1935-12-23 Rose 35700 Riverside San jacinto mts. 22 Mi s of cathedral city. Desert slopes. 914 Comment
  RSA482796  Athysanus pusillus Ora M. Clark 1929-4-6 1945 Riverside South of Hemet Comment
  UCR112953  Athysanus pusillus B. G. Pitzer 1998-3-1 3552 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  RSA49380  Atrichoseris platyphylla Philip A. Munz 1949-4-12 13031 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  UCR207995  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet 305 Comment
  UCR266914  Atriplex argentea D. E. Bramlet 2009-9-24 4401 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, NW of Hemet, San Diego Canal right-of-way south of Esplanade Ave. and west of Warren Rd. 459 Comment
  RSA737102  Atriplex argentea subsp. expansa Justin M. Wood 2008-10-29 205 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  RSA5459  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA554627  Atriplex canescens Scott D. White 1992-9-2 769 Riverside Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  SEINET269097  Atriplex canescens Scott D. White 1995-8-23 3590 Riverside San Jacinto River wash, just N of Florida Ave. (City of Hemet) near intersection w/ Schultz. USGS Blackburn Cyn 550 Comment
  UC500784  Atriplex canescens Aven Nelson 1930-3-1 11152 Riverside Indio Comment
  UC850762  Atriplex canescens Carl B. Wolf 1932-10-13 4307 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  CAS-BOT-BC170211  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington Comment
  RSA760811  Atriplex canescens var. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-31 117 Riverside PCT Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111. 740 Comment
  UCR274785  Atriplex canescens var. macilenta Stephanie Rockwood, Christi Gabriel 2011-10-18 125 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  RSA532555  Atriplex coronata var. coronata D. E. Bramlet 1991-6-1 2171 Riverside 2 km west of Lakeview and 30m to 400 east of the San Jacinto River. The site is approximatly 170 m. north of the MWD easement road., [additional populations are located north of the site] 473 Comment
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Dec 8 2010
  UCR67327  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2059 Riverside Vicinity of Perris, c. 860 m west of the intersection of Ellis Ave. and Sherman Road; < 200 m north of Ellis Ave. 473 Comment
  UCR90766  Atriplex coronata var. notatior D. E. Bramlet 1991-4-30 2088 Riverside 6.5 km west of Hemet and Approx. 610 m west of the intersection of Florida and Warren Road, 340 m south of Florida Ave. and 53 m east of the MWD canal 457 Comment
  RSA0031555  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  UCR129808  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio 177 Comment
  UCR24187  Atriplex parishii John C. Roos 1937-8-17 1214 Riverside 5 mi west of Hemet [Hwy 74 near Homeland] Comment
  RSA0104081  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA676064  Atriplex suberecta Scott D. White 2001-6-19 8593 Riverside Sun City: Quail Valley east of Canyon Lake and west of Goetz Road. 442 Comment
  POM319732  Atriplex subspicata Patricia Wilder 1971-11-11 5291 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR201872  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  GMDRC6561  Avena barbata J. M. Andre 2012-6-15 30515 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  UCR226605  Avena fatua Jim Andre 2011-2-18 15820 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR82243  Avena fatua J. M. Stewart 1994-5-2 863 Riverside Western Colorado Desert, Coachella Valley, Thermal, Tyler St. and Avenue 66 Comment
  CAS-BOT-BC145737  Avena sativa V. W. Steinmann 1996-4-13 829 Riverside Just east of Route 15 along Temescal Canyon Road 1.3 km southeast of the junction with Indian Truck Trail. 350 Comment
  SD40732  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside Andreas Canyon, about 50 ft. above streambed 762 Comment
  SD129583  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside Chocolate Mountains aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target (UTM:11S,PH-35E,07N) 680 Comment
  RSA621887  Baccharis emoryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3004 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR164068  Baccharis pilularis John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  RSA296180  Baccharis salicifolia B. A. Prigge 1980-8-5 3818 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA5444  Baccharis salicifolia C. B. Wolf 1932-5-25 3672 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  UCR90974  Baccharis salicina Scott D. White 1996-2-18 3804 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA0021682  Baccharis sarothroides Duncan S. Bell 2013-10-30 s.n. Riverside Arica Mountains; east side of range; western section of Rice Valley, about 6 air miles southeast of the ghost town of Rice. 211 Comment
  SEINET899320  Baccharis sarothroides C. B. Wolf 1931-1 1881 Riverside Colorado Desert, 2 mi. north of Blythe 152 Comment
  UCR41232  Baccharis sarothroides N. M. Fellows 1985-1-5 66 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UC1518843  Baccharis sergiloides Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55384 Riverside 3.3 mi n of, west side of Whitewater Canyon Whitewater Post Office; San Bernardino Mts., Whitewater Canyon 594 Comment
  UC893734  Baccharis sergiloides Carl B. Wolf 1932-10-13 4311 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  CAS-BOT-BC295902  Bahiopsis parishii H. M. Hall 1902-4-1 2783 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  JEPS7794  Baileya pauciradiata Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3599 Riverside just opposite and e of the n end of Salton Sea (along highway); State Highway No. 111 -60 Comment
  RSA114159  Baileya pauciradiata Francia Chisaki 1955-4-18 631 Riverside 5.6 miles SE of turn off the Thousand Palms on Hwy 60 Comment
  RSA796024  Baileya pauciradiata Duncan S. Bell 2009-4-18 239 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  POM42457  Bebbia juncea Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM7070  Bebbia juncea Philip A. Munz 1919-5-7 2720 Riverside Mouth of Tahquitz Canyon. Comment
  CAS-BOT-BC100145  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2720 Riverside Tahquitz [Canon] Canyon Comment
  JOTR31818  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  UC1334660  Bebbia juncea var. aspera Nancy Ryan Zabriskie 1968-10-11 167 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  UCR244407  Bebbia juncea var. aspera Jim Andre 2012-4-16 20900 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
  SEINET3154481  Beloperone californica G. B. Grant 1996-5-1 101 Riverside on Colorado Desert at Palm Springs Comment
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Jul 4 2015
  UCR18763  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 488 Comment
  UCR240639  Berberis dictyota Tracy Tennant, Mitch Provance 1998-6-16 MOR- 429 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  POM14866  Bergia texana H. Baer 1922-11-12 s.n. Riverside San Jacinto River Bed, Near Elsinore Comment
  SD234926  Beta macrocarpa A. C. Sanders 2008-4-15 34892 Riverside Peninsular Range: NE edge of city of Elsinore, off Nichols Rd. along Baker St. near Durant Siding. 383 Comment
  UC128992  Bidens laevis Geo. R. Hall 1905-1 Riverside Riverside Comment
  SDSU11583  Bloomeria crocea Stan Matlier 1938-5-13 Riverside Lake Elsinore Grade Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR180110  Bloomeria crocea Mitch Provance 2003-4-26 9883 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR16045  Bloomeria crocea var. crocea Steve Kulju 1974-5-16 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, Tenja Rd. near Murrieta, 9.5 mi SW of Washington Ave 549 Comment
  RSA769762  Boechera californica Duncan S. Bell, Valentin Arvizu 2010-5-10 984 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  CAS-BOT-BC16273  Boechera perennans C. L. Hitchcock 1940-4-5 5966 Riverside Cliffs above Cottonwood Springs. Comment
  JOTR33812  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  CAS-BOT-BC434530  Boerhavia intermedia Ira L. Wiggins 1934-9-4 8034 Riverside Colorado Desert 10 miles NE. of Mecca Comment
  UCR280423  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 5 km east of Eagle Mountain Mine 284 Comment
  SEINET4565926  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 -A Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  IRVC27684  Bothriochloa barbinodis A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15871 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  UC2026427  Bouteloua aristidoides var. aristidoides Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10047 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  CAS-BOT-BC540737  Bouteloua barbata Sarah J. De Groot; Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  OBI26037  Bouteloua barbata David J. Keil 1976-12-12 11920 Riverside Along I-10, 37 mi E of Chiriaco Summit. Comment
  SEINET4565925  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR100129  Bouteloua barbata B. G. Pitzer 1997-10-19 3359 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  CAS-BOT-BC145605  Bouteloua barbata var. barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles west of Blythe. Comment
  JOTR32106  Bouteloua barbata var. barbata Harding, Mitzi, Kipp Callahan 2012-8-27 281 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  SEINET8480638 Image available Bouteloua barbata var. barbata Kristin Forgrave, Deirdre Conocchioli, April Garbat 2013-8-13 35 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blthye, Ca. head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd. Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  UCR265475  Bouteloua barbata var. barbata Jordan Zylstra 2014-8-17 14029 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  RSA0120325  Bouteloua curtipendula Duncan S. Bell, Thomas Stoughton 2016-4-14 9293 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UCR201433  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CLARK-A1528-1429  Bowlesia incana John C. Roos 1937-2-21 1312 Riverside La Sierra Comment
  UCR150039  Bowlesia incana Scott D. White, Tasha LaDoux 2000-4-20 7673 Riverside Perris-Aguanga Basin, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  UCR250318  Bowlesia incana A. C. Sanders 2014-4-8 40972 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  SEINET13276693 Image available Brachypodium distachyon Steve Boyd 2011-1 12306 Riverside Coastal plains and basins; San Bernardino basin region.: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  CLARK-A1528-5382  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  POM7546  Brandegea bigelovii P. A. Munz, R. D. Harwood 1920-4-2 3564 Riverside Between Blythe Junction and Blythe 305 Comment
  SD49374  Brandegea bigelovii Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca and Shaver Well Comment
  RSA0034839  Brassica geniculata Norman C. Cooper 1944-5-19 1275 Riverside Banning. 701 Comment
  UCR167071  Brassica tournefortii Scott D. White 2005-3-29 10826 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR92797  Brassica tournefortii Scott D. White 1994-3-29 1938 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  SD137904  Brickellia desertorum Darin L. Banks, Steve Boyd 1995-10-17 776 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  UC1279709  Brickellia desertorum D. B. Dunn 1947-10-9 3521 Riverside at campground area by Hidden Valley, Joshua Tree National Monument Joshua Tree National Monument, Hidden Valley Comment
  UC894157  Brickellia desertorum Carl B. Wolf 1932-10-12 Riverside Pinyon Well, Little San Bernardino Mts., Colorado Desert Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  RSA771881  Brodiaea filifolia Steve Boyd 2010-5-28 12285 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  CAS-BOT-BC149334  Bromus arizonicus A. C. Sanders; K. Rose; D. Woodard 1995-3-22 16220 Riverside San Gorgonio Pass/San Jacinto Mountains; on and near a rocky spur at the north foot of the mountains, southwest of Verbenia Avenue, west of Snow Creek, east of Cabazon. 550 Comment
  UCD57762  Bromus berteroanus Peter H. Raven 1958-5-5 12882 Riverside Jumbo Rocks Camp Ground. Joshua Tree National Monument. Comment
  UCR44200  Bromus carinatus A. C. Sanders 1986-6-1 6539 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  CAS-BOT-BC156281  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. Comment
  SDSU17526  Bromus catharticus Jerry Jenkins 2001-4-3 2001 -041 Riverside Santa Margarita Ecological Reserve. Organ grove near station, UTM zone 6, 482100E, 3699050N. UTM transfered to GIS. Comment
  UCD59301  Bromus diandrus A. A. Beetle 1944-4-27 1998 Riverside West of Murietta. Comment
  RSA586131  Bromus diandrus D. L. Banks 1995-4-11 174 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail., 33 deg 26' 18''N-116 deg 58' 27''W. 950 Comment
  UCR158274  Bromus hordeaceus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29499 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
  UCR201697  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-5-15 11988 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA179513  Bromus rubens E. W. Lathrop 1960-5-10 5353 Riverside 10 miles W of Murrieta. Comment
  UCR116597  Bromus tectorum A. C. Sanders 2001-4-8 23989 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR214014  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37794 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
  POM14550  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs. Comment
  RSA405297  Caesalpinia virgata P. J. Remple 1942-3-2 s.n Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  RSA784946  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC1595738  Caesalpinia virgata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4623 Riverside 6.2 mi. n.e. Mecca (on Box Canyon Rd.) Comment
  POM280839  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  RSA524234  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4042 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR49227  Calandrinia ciliata var. menziesii Steve Boyd 1986-4-2 1607 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR20523  Callitriche heterophylla E. W. Lathrop 1966-4-13 6164 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  UC215292  Calocedrus decurrens Geo. B. Grant 1901-1-1 691 Riverside San Jacinto Mts. Pacific Coast, San Jacinto Mts. 914 Comment
  UCSB9236  Calocedrus decurrens Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 14 Lower Montane Community 1524 Comment
  UC489219  Calochortus invenustus C. V. Meyer 1928-7-26 546 Riverside w slope San Jacinto Peak 2895 Comment
  CAS-BOT-BC483418  Calochortus invenustus H. M. Hall 1901-6-1 2297 Riverside In the vicinity of Strawberry Valley, San Jacinto Mountains 1828 Comment
  UCR217563  Calochortus plummerae Jeff B. Galvin 2008-6-18 70 Riverside Peninsular Ranges, western foothills of the San Jacinto Mountains, Potrero, Massacre Canyon 605 Comment
  SDSU11920  Calochortus splendens K. J. Huntley, Judith Kemp with SDSU California Flora 1988-4-29 29 IV88A Riverside 50 m. north of San Diego State University staion in the Santa Margarita Ecological Reserve 2 km west of Temecula. Comment
  UCR104171  Calochortus splendens Scott D. White 1997-5-25 5238 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
  UCR158317  Calochortus splendens A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30045 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
  RSA689609  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-27 9412 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR144115  Calycadenia tenella Scott D. White 2000-5-1 7748 Riverside Santa Ana Mtns, Corona, western foothills of Santa Ana Mtns near Bedford Canyon 412 Comment
  SD215390  Calycoseris parryi Steve Boyd, Dave Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, North side of Domenigoni-Diamond Valleys east-southeast of Winchester. Vicinity of ultramafic outcrop on ridge top South of Sounth end of Warren Road. 548 Comment
  UCR175172  Calycoseris parryi Jim Andre 2006-4-26 6768 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  CAS-BOT-BC282922  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Comment
  RSA45510  Calycoseris wrightii J. C. Roos, L. Roos 1949-4-9 4209 Riverside 30 mi. N of Blythe, near Riverside Mts Comment
  UCR60928  Calycoseris wrightii Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1355 Riverside Sonoran (Colorado) Desert, Shavers Valley, Hwy 195, N base of the Orocopia Mtns half way between I-10 and Box Canyon 366 Comment
  CSUSB656  Calystegia macrostegia John N. Bullock 1970-5-18 P 34 Riverside 50 meters east of Maitri Road at a spot 200 meters south of the junction of Maitri Road and California State Highway 71 341 Comment
  RSA726762  Calystegia macrostegia Scott D. White 1991-5-10 91 -131 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA430232  Calystegia macrostegia subsp. arida E. Misquez 1987-5-16 11 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 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
  UCD126084  Calystegia macrostegia subsp. arida C. L. Hitchcock; C. V. Muhlick 1962-3-16 22155 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  CDA37136  Calystegia macrostegia subsp. tenuifolia Mike Lahti 2012-4-22 PDR# 1590340 Riverside Hemet; Near Grant St., south of Florida Ave. 0 Comment
  HSC6379  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  UC1602147  Camissonia Philip A. Munz 1926-1-31 9973 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR171909  Camissonia bistorta John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR172246  Camissonia bistorta John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR174434  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32494 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
  UCR226057  Camissonia bistorta A. C. Sanders, Nathan Moorhatch 2011-3-22 38774 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  SEINET7040154  Camissonia bistorta A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  SEINET3093095 Image available Camissonia boothii R. G. Engard, T. Caldwell 1978-4-6 S.N. Riverside 10 miles west of Blythe Comment
  RSA465969  Camissonia boothii subsp. condensata Lester Rowntree 1930-5-7 s.n. Riverside Colorado Desert, Hidden Springs Comment
  RSA781903  Camissonia boothii subsp. condensata Duncan S. Bell 2010-5-1 887 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR198164  Camissonia brevipes Michael Honer, L. Hulse 2004-4-3 1898 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  POM201158  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-29 3108 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA124262  Camissonia brevipes subsp. brevipes E. K. Balls, P. C. Everett 1958-3-20 22936 Riverside south base of Eagle Mountains. US Highway 60/70. 366 Comment
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Apr 14 2009
  RSA36358  Camissonia brevipes subsp. brevipes C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
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Oct 9 2010
  RSA466170  Camissonia californica M. B. Dunkle 1933-3-5 3075 Riverside Colorado Desert, Palm Springs. 91 Comment
  RSA466172  Camissonia californica M. B. Dunkle 1933-3-4 3064 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM299268  Camissonia cardiophylla A. M. Alexander, Louise Kellogg 1941-5-26 2238 Riverside Colorado Desert: Monsen [Munsen] Canyon, Eagle Mountains. 976 Comment
  UCR112099  Camissonia cardiophylla A. C. Sanders, T. B. Salvato 2000-4-27 23379 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR86860  Camissonia cardiophylla A. C. Sanders, K. Rose 1995-4-27 16728 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  CLARK-A1528-659  Camissonia cardiophylla subsp. cardiophylla Ronald K. Pidot 1962-3-23 Riverside Mecca Comment
  CSUSB195  Camissonia claviformis W. W. Mayhew 1959-2-3 Riverside 10 miles east of Desert Center Comment
  RSA775096  Camissonia claviformis Duncan S. Bell, Amber Swanson 2011-2-18 2034 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
  RSA784974  Camissonia claviformis Duncan S. Bell 2012-3-18 3216 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
  UCR216199  Camissonia claviformis subsp. aurantiaca Jim Andre, T. La Doux 2009-2-28 10838 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  RSA0127779  Camissonia claviformis subsp. aurantiaca G. Rink 2013-3-17 11867 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  SEINET12193360  Camissonia claviformis subsp. aurantiaca W. L. Wagner, Mill, S. W. 1982-1 4559 Riverside 8.2 milesNW of I-10 Desert Center along Hwy 177 Comment
  SDSU3354  Camissonia confusa H. Wedberg 1958-5-17 302 Riverside About 7.4 miles from railroad station at Banning on road to Idyllwild. Comment
  UCR36042  Camissonia confusa R. F. Thorne, Et al. 1983-4-23 55481 Riverside San Bernardino Mtns, Sandy wash along Whitewater River where road crosses river below fish hatchery, c. 4 mi north of Whitewater Post Office 640 Comment
  RSA516428  Camissonia hirtella Walter Wisura, Bart O'Brien, Hayduk 1990-5-2 4435 Riverside Ortega Hwy. lower switchbacks above Lake Elsinore, in burned area. Comment
  RSA749236  Camissonia hirtella Robert F. Thorne, Walter Wisura, David Michener 1982-5-24 55190 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
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Oct 27 2011
  RSA612853  Camissonia hirtella D. L. Banks 1997-3-29 1607 A 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
  RSA465913  Camissonia pallida subsp. hallii N. C. Cooper 1944-4-23 1111 Riverside Banning. 701 Comment
  JOTR28815  Camissonia pallida subsp. pallida La Doux, Tasha 2005-3-1 1083 Riverside Joshua Tree National Park. Sand Hills Comment
  RSA776943  Camissonia refracta Amber Swanson 2011-3-19 236 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA162861  Camissonia strigulosa J. D. Olmsted 1959-4-10 348 Riverside Along Hwy. 60-99 [Hwy 10] near Cabazon; Mt. Range: San Gorgonio Pass; Drainage area: Whitewater River. 671 Comment
  RSA449955  Camissonia strigulosa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  UCR152525  Camissonia strigulosa A. C. Sanders 2005-4-22 29613 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR158276  Camissonia strigulosa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30124 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
  SDSU3317  Camissoniopsis bistorta H. Wedberg 1957-3-22 3 Riverside On Hwy 71, 5 miles north of Alberhill. 322 Comment
  UC56476  Camissoniopsis bistorta H. M. Hall 1902-4-26 2990 Riverside vicinity of Riverside 365 Comment
  UC20636  Camissoniopsis ignota unknown 1861-2-1 151 Riverside Temescal Mountains Comment
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Jul 4 2010
  CHSC110678  Camissoniopsis pallida subsp. pallida Dean Wm. Taylor 2003-5-6 18523 Riverside 1.15 miles NNE of Cabazon, along access roads paralleling powerlines. 640 Comment
  UC494678  Camissoniopsis pallida subsp. pallida Philip A. Munz 1932-3-14 12003 Riverside edge of wash Coachella Valley, Deep Canyon 91 Comment
  UCR166111  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose 1995-4-5 16390 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  POM14318  Carex alma Phillip A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mile above mouth of Strawberry Creek. 1159 Comment
  SBBG34204  Carex multicaulis T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  UCR151044  Carex pellita Scott D. White 1998-7-31 6950 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UC729842  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  UC212812  Carex schottii I. M. Johnston 1928-4-27 1859 Riverside Murrieta Southern California 304 Comment
  CAS-BOT-BC94052  Carex senta Peter F. Zika; Nick Otting 2010-8-3 25248 Riverside vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges 2550 Comment
  RSA552732  Carex triquetra Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 -B Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA783582  Castela emoryi M. Wall, Valentin Arvizu 2011-6-1 604 Riverside North of Desert Center, plants near a power line maintenance road just east of Kaiser Rd. and ca. 5.2 miles north of junction with Rice Rd. (Hwy 177) 197 Comment
  UCR114171  Castela emoryi B. G. Pitzer, J. Ross 1998-3-8 3594 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR217305  Castela emoryi Nathan Moorhatch, Shari Norton 2010-5-7 s.n. Riverside Sonoran (Colorado) Desert, north of Desert Center, north of the golf course and east of the bend in Eagle Mountain Road 198 Comment
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  SBBG34206  Castilleja applegatei subsp. martinii T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  UCSB5966  Castilleja applegatei subsp. martinii Wilson, Richard 1958-5-17 Riverside Palms to Pines Hwy. and Junction of road to Dark Canyon, San Jacinto Mtns. 1524 Comment
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Nov 23 2014
  RSA0010918  Castilleja densiflora subsp. gracilis Daphne K. Christopher, Hannah Stevens 2003-4-8 122 Riverside Santa Rosa Plateau Nature Conservancy Preserve. 556 Comment
  UCR60718  Castilleja densiflora subsp. gracilis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 888 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA0013616  Castilleja exserta subsp. exserta LeRoy Gross, Duncan S. Bell 2013-4-30 6023 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA507946  Castilleja foliolosa Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2264 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA652577  Castilleja foliolosa Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild]. 976 Comment
  RSA68334  Castilleja foliolosa G. R. Campbell 1951-5-30 16153 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UCSB46696  Castilleja foliolosa Leen, Rosemary 1977-5-22 Riverside San Jacinto Mts; Highway 243 Comment
  RSA615324  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  UCR19707  Caucalis microcarpa John C. Roos 1952-4-9 5502 Riverside Riverside, W face of Mt. Rubidoux 400 Comment
  RSA531107  Caulanthus cooperi M. B. Dunkle 1937-3-25 4956 Riverside East of Indio, Colorado Desert. Comment
  UC1492739  Caulanthus hallii Freed W. Hoffman 1950-4-26 3351 Riverside road to summit El Toro Mt. 2.6 mi from intersection with Palms-to-Pines Highway 74; road to summit El Toro Mt. Comment
  UC56735  Caulanthus hallii W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1902 Riverside Santa Rosa Mt., Coyote Canyon 1584 Comment
  RSA717615  Caulanthus heterophyllus Scott D. White 2006-4-27 11304 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
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Feb 5 2020
  UC1584127  Caulanthus heterophyllus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3846 Riverside cinder cone ridge at n side of mouth of Temecula Creek Canyon and adjacent benches on s flank Big Oak Mountain; Vail Lake Area, n side Mouth Temecula Creek Canyon 396 Comment
  UCD114553  Caulanthus heterophyllus A. C. Sanders; Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Road. 148 Comment
  UCR281485  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 88 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  SD215438  Caulanthus lasiophyllus Steve Boyd, Tim Ross, et al. 1990-4-3 4056 Riverside Vail Lake area, summit of Big Oak Mountain at east end. 792 Comment
  RSA527664  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3844 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA527666  Caulanthus lasiophyllus var. rigidus Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 444 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  UCR35190  Caulanthus simulans L. B. Ziegler 1969-4-2 341 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  RSA0026296  Caulanthus simulans John F. Emmel 1991-4-28 1166 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  CAS-BOT-BC48497  Ceanothus crassifolius John Thomas Howell 1931-5-30 6607 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA500063  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3246 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  UC1071025  Ceanothus crassifolius A. Lewis 1934-3-4 310 Riverside Tin Mine Canyon Corona quad, Cleveland Nat. For. 670 Comment
  UCR90962  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA575068  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -M Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA77718  Ceanothus greggii var. perplexans F. W. Peirson 1922-5-20 735 Riverside Hemet Valley, San Jacinto Mountains 1448 Comment
  RSA783161  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3502 Riverside S of southern Quercus Keloggii population on Thomas Mt. 1616 Comment
  UC775032  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santiago Pk., n side, 1/2 mi from summit Santa Ana Mts. 1676 Comment
  RSA262093  Ceanothus integerrimus var. puberulus E. W. Lathrop 1969-5-9 7033 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  JEPS42394  Ceanothus leucodermis C. V. Meyer June 1927 136 Riverside Saunder's Meadow San Jacinto Mts. Comment
  CAS-BOT-BC51919  Ceanothus perplexans Vernon Bailey 1907-6-11 s.n. Riverside San Jacinto Mts., East slope above Palm Springs Comment
  UC219297  Ceanothus perplexans P. A. Munz and I. M. Johnston 1922-5-19 5448 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  UCR187503  Ceanothus tomentosus Theresa Johnson 2006-3-31 007 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, off DeLuz Road at backside (edge) of ecological reserve, near Mesa de Burro 571 Comment
  SEINET8734799 Image available Centaurea melitensis Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0;6 mi. from fork to dump on E. side of road Comment
  UCR140872  Centaurea repens John Rimoldi 2004-8-15 s.n. Riverside San Bernardino Valley Region, Arlington area of Riverside, Doolittle Ave., c. 0.5 km NW of Van Buren Blvd. on Doolittle, west of Riverside Airport 226 Comment
  RSA0086790  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: Bloome Parcel, 2550 ft north of San Jacinto River, 1580 ft south of South Contour Rd., 4700 ft east of Mystic Lake Duck Club. 433 Comment
  JOTR31184  Centrostegia thurberi La Doux, Tasha, G. Clifton 2009-5-14 1981 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UCR15890  Cerastium glomeratum Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Peninsular Range, Sandia Canyon Road about 2 mi from [SW of] Washington Street. Near Murrieta. 457 Comment
  UC68641  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5784 Riverside 10 mi w Coachella; Colorado Desert 121 Comment
  CAS-BOT-BC135495  Cercocarpus betuloides var. betuloides A. M. White 1974-6-4 74 -671 Riverside Indian Rd. ca. 15 mi. W. of Sun City, site 4 Comment
  SD229254  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-8-6 772 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  POM187418  Cercocarpus ledifolius L. Crutcher 1933-8-22 4 Riverside Red Tahquitz, San Jacinto Mountains. Comment
  SDSU13900  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  HSC47359  Cercocarpus montanus var. glaber Richard Spjut, C. E. Edson 1978-4-24 4952 Riverside Along Hwy. 74, 3 mi. from jct. with Hwy. 71 in San Jacinto Mtns. 915 Comment
  RSA68347  Chaenactis artemisiifolia G. R. Campbell 1951-5-30 16159 Riverside 9 miles west of Anza. 1067 Comment
  OBI38347  Chaenactis carphoclinia A. C. Sanders, Pitzer, Charlton, & Kniffen, Kniffen 1986-3-3 6110 Riverside Corn Spring, Chuckwalla Mts, wash below the srping and wash and rocky slopes to the S. T6S, R16E, sec 28-projected 488 Comment
  RSA727395  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  LA203110  Chaenactis carphoclinia var. carphoclinia Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CAS-BOT-BC276936  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles N of Cottonwood Springs, Eagle Mountains 914 Comment
  POM351704  Chaenactis fremontii Chas. Gabriel 1926-2-20 237 Riverside Rincon [R. Village, Andreas Canyon] Comment
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Nov 17 2011
  POM351706  Chaenactis fremontii P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA708416  Chaenactis fremontii Scott D. White 2005-3-29 10837 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UC53926  Chaenactis fremontii F. Gilman 1902-1 33 Riverside Palm Springs Comment
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Apr 3 2011
  SEINET11860905  Chaenactis fremontii J. F. Bright, Wyman, C. 1933-3-12 8072 Riverside between Radio & Palm Springs Comment
  RSA0120305  Chaenactis glabriuscula Duncan S. Bell 2016-4-16 9324 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA786075  Chaenactis glabriuscula C. P. Cowan 1978-4-23 1217 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCR49242  Chaenactis glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA528099  Chaenactis glabriuscula var. glabriuscula Steve Myers 1991-4-1 91 -27 Riverside City of Banning, W of Fields Road, N of Interstate 10 & S of the Morongo Indin Reservation 671 Comment
  JEPS44368  Chaenactis parishii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4280 Riverside about 2 1/2 mi above lower end of road to Santa Rosa Peak Comment
  POM49418  Chaenactis parishii H. M. Hall 1901-06 2128 Riverside Santa Rosa Mountain. Coyote Canyon. 1524 Comment
  SD187342  Chaenactis stevioides Naomi Fraga, Sara J. De Groot, et al. 2005-2-10 1422 Riverside Northeastern Colorado Desert region: Along Palen Road near Highway 177. 170 Comment
  UC1563113  Chaenactis stevioides Steve Boyd and Orlando Mistretta 1986-3-13 1426 Riverside ne of Desert Center (jtn of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UCD130429  Chaenactis stevioides William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR4048  Chaetopappa aurea Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., 'Tahquitz Meadows' [meadows along Hwy 74 near Keen Camp, east of Mtn. Center], off Pines to Palms Hwy 1524 Comment
  JOTR30089  Chamaesyce albomarginata La Doux, Tasha, Alice Miller 2007-5-8 1733 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., on disturbed roadside. Common. 1385 Comment
  RSA522312  Chamaesyce albomarginata Steve Boyd 1989-7-9 3782 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  RSA0121601  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9101 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 513 Comment
  JOTR30085  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2006-10-3 1723 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA784753  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2012-2-12 3097 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA613271  Chamaesyce polycarpa L. C. Wheeler 1976-3-30 s.n. Riverside Morongo Wash, 5 miles northwest of Desert Hot Springs. 518 Comment
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Dec 17 2016
  SJSU4455  Chamaesyce setiloba E. V. Boro 1963-12-26 78 Riverside 5 mi E of Desert Hot Springs Comment
  CAS-BOT-BC66320  Cheilanthes clevelandii Peter H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  UC421694  Cheilanthes clevelandii John Thomas Howell 1927-8-2 2907 Riverside near Banning 670 Comment
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Mar 13 2011
  SEINET804427  Cheilanthes covillei Carl B. Wolf 1932-1 4277 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash at Riverside County line. 731 Comment
  UCR134657  Cheilanthes newberryi Mitch Provance 1998-4-10 409 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR97754  Cheilanthes newberryi A. C. Sanders 1997-3-1 19729 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  POM9290  Cheilanthes newberryi P. A. Munz, Harwood 1920-3-20 3375 Riverside 5 miles S of Corona 305 Comment
  UCR226998  Cheilanthes parryi Jim Andre 2011-2-2 16219 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  CAS-BOT-BC70383  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  UC218646  Cheilanthes viscida Ivan Johnston 1917-4-4 Riverside Palm Canyon 304 Comment
  UC668413  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-22 2060 Riverside Whitewater Canyon; Colorado Desert 548 Comment
  UCR91883  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  HSC80298  Chenopodium album Steve Boyd 1985-7-23 1012 Riverside De Luz Road, 7.6 mi W of Rancho California, where Sandia Creek crosses road. 335 Comment
  RSA763339  Chenopodium berlandieri R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55391 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office 595 Comment
  UCR265479  Chenopodium berlandieri Jordan Zylstra 2014-8-17 14021 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  UCR281008  Chenopodium berlandieri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 24 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  RSA741576  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SD236268  Chenopodium murale John F. Green 2005-3-3 Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca 4 mi N of Niland; between siphons 10 and 11 (Wister 7.5'Q) 14 Comment
  UCR108713  Chenopodium murale Scott D. White, Pam DeVries 1998-2-9 6081 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA621502  Chenopodium pumilio D. L. Banks 1997-11-15 2199 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  CAS-BOT-BC451360  Chimaphila menziesii H. M. Hall 1897-6-16 s.n. Riverside San Jacinto Mts. Comment
  SBBG59876  Chimaphila umbellata R. Hoffmann 1929-9-10 Riverside Tahquitz Peak 2590 Comment
  UC218130  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2209 Comment
  SD227696  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area: large clay patch adjacent to the Skinner entrance road, ca. 1 km NE of Borel Rd. 473 Comment
  UCR228739  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 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
  UCR16059  Chlorogalum pomeridianum Loretta Bates 1978-6-10 s.n. Riverside San Bernardino Mtns, Cherry Valley exit off Hwy I-10 Comment
  RSA0106756  Chorizanthe brevicornu Duncan S. Bell, Amanda Turek 2009-3-29 145 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA698363  Chorizanthe brevicornu J. R. Bruff s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UCR148337  Chorizanthe brevicornu John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR178531  Chorizanthe brevicornu R. G. Swinney 1967-5-26 145 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CAS-BOT-BC191706  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert. 5 mi E of Mecca, on Blythe Road 30 Comment
  JOTR31101  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2359 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  UCD99686  Chorizanthe brevicornu var. brevicornu Geoffrey Levin 1975-4-5 472 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mts. 30 Comment
  UCR245230  Chorizanthe brevicornu var. brevicornu Jim Andre 2012-3-19 21319 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR11321  Chorizanthe coriacea Heather Johnston 1967-5-18 051867- 03 Riverside San Bernardino Valley, Reche Canyon, field opposite 7382 Reche Canyon Road 457 Comment
  UCR137560  Chorizanthe coriacea A. C. Sanders 2004-5-5 27758 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
  CAS-BOT-BC191854  Chorizanthe corrugata Frank W. Peirson 1927-4-12 7175 Riverside Painted Canyon, near camp at forks Comment
  RSA0026169  Chorizanthe corrugata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17714 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  RSA517910  Chorizanthe corrugata Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1315 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SBBG89136  Chorizanthe fimbriata L. F. LaPre 1988-6-2 Riverside Indian Truck Trail S end of wash which crosses unser de Palma Rd ( frontage rd to Interstate-15) near Glen Eden Resort 365 Comment
  HSC85276  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  CAS-BOT-BC191351  Chorizanthe leptotheca S. G. Stokes 1933-7-1 311 Riverside Road to Idyllwild, San Jacinto Mts. Comment
  NY468298  Chorizanthe parryi F. M. Reed 05 1904 s.n. Riverside Rubidoux Mountain [=Mount Rubidoux] 518.2 Comment
  UCR261450  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41449 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
  UCR159985  Chorizanthe polygonoides var. longispina S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR252763  Chorizanthe polygonoides var. longispina John Dvorak 2011-4-6 011 Riverside Perris Aguanga Basin, Bundy Canyon Road, approximately 80 meters north of intersection with Oak Circle Drive, in mowed/disturbed firebreak buffer 490 Comment
  UCR78441  Chorizanthe polygonoides var. longispina Scott D. White 1993-4-20 1207 Riverside Estelle Peak, Gavilan Hills 826 Comment
  UCR97272  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 A Riverside Perris-Aguanga Basin, Shipley Reserve/SE cornor of Lake Skinner Co. Park 512 Comment
  SEINET7063455  Chorizanthe procumbens A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  RSA392736  Chorizanthe rigida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  CAS-BOT-BC248060  Chorizanthe xanti var. leucotheca S. B. Parish 1907-4-19 6168 Riverside Palm Springs, Western edge of the Colorado Desert 200 Comment
  UCR94948  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  UCR245232  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21321 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCD103851  Chylismia claviformis John Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert. Salton Basin. Coachella Canal right-of-way, between siphons 22 and 23, S of Salt Creek. 23 Comment
  CAS-BOT-BC160585  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-15 11847 Riverside Box Canyon 4.5 miles east of turn of Painted Canyon Comment
  CAS-BOT-BC160631  Chylismia claviformis subsp. aurantiaca F. H. Billings 1926-1-25 10 Riverside Palm Springs Comment
  CDA37651  Chylismia claviformis subsp. aurantiaca T. C. Fuller 1962-4-4 7996 Riverside Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  UC1922415  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1424 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR244729  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21346 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR165605  Cirsium occidentale var. californicum T. B. Salvato, John F. Green 2004-5-27 707 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SD227734  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning). 1500 Comment
  UCR106357  Cirsium vulgare John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CAS-BOT-BC438668  Cistanthe ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon [Canyon] Comment
  CAS-BOT-BC438861  Cistanthe monandra Mrs. H. C. Cantelow 1935-3-20 697 Riverside Palm Springs Canyon Comment
  RSA329670  Cistanthe monandra Gary D. Wallace 1966-3-26 250 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  RSA5247  Cistanthe monosperma C. B. Wolf 1932-8-5 3983 -A Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA769618  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  UC373504  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside 8 mi w Prado; Santa Ana Canyon 400 Comment
  RSA73330  Clarkia epilobioides F. W. Peirson 1919-4-14 4457 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR154734  Clarkia purpurea T. B. Salvato, Kent Beaman 2005-5-16 765 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
  CAS-BOT-BC163866  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA503426  Clarkia purpurea subsp. quadrivulnera J. D. Olmsted 1962-5-10 3668 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  SEINET4040371  Clarkia purpurea subsp. quadrivulnera G. Sphon 1959-1 319 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR156352  Claytonia parviflora T. B. Salvato, Kent Beaman 2005-5-16 877 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
  UC1292272  Claytonia perfoliata subsp. mexicana C. L. Hitchcock and C. V. Muhlick 1964-3-17 23074 Riverside 8 mi se Corona (along road to Elsinore) Comment
  UCR102834  Claytonia perfoliata subsp. mexicana A. C. Sanders 1997-4-3 20163 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  SD186309  Clematis lasiantha Andy C. Sanders, Mike Misenhelter 2005-6-15 31002 Riverside Sage-Auanga Region: 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 640 Comment
  SEINET3930996  Clematis lasiantha David Keil 1983-4-15 16900 Riverside East of Temecula on SR79.; 0 Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  SD80149  Clematis pauciflora Nacny Ryan Zabriskie, Walter Zabriskie 1971-3-7 352 Riverside Andreas Canyon, east slope of San Jacinto Mountains 359 Comment
  POM254915  Cleome isomeris P. A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  POM307253  Cleome isomeris Henry J. Ramsey 1937-11-20 2236 Riverside San Gorgonio Pass. Comment
  RSA440811  Cleome isomeris Ralph Hoffmann 1932-11-26 s.n. Riverside Beaumont-Banning Pass. Comment
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Apr 2 2011
  RSA544380  Cnicus benedictus Steve Boyd, Timothy S. Ross 1991-6-14 6395 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
  RSA618415  Cnicus benedictus D. L. Banks 1997-5-5 1961 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
  POM14407  Collinsia concolor Philip A. Munz, J. M. Johnston 1922-5-19 5433 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  SD244244  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-5 Freeway, southeast of Corona (Lee) Lake (Aberhill 7.5') 377 Comment
  UCR80821  Collinsia concolor Scott D. White 1993-5-29 1477 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA0030789  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA28642  Colubrina californica A. M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside 5.2 miles northwest of Desert Center, Eagle Mountain pumping station road. 457 Comment
  CDA39884  Convolvulus arvensis Scott D. White 1998-6-28 6787 Riverside Cismontane Riverside County; Corona: River Road bridge over the Santa Ana River. Comment
  UCR67332  Convolvulus arvensis A. C. Sanders, E. Rey, D. Willick 1991-4-19 10928 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR172210  Convolvulus simulans John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  UC455185  Corallorhiza maculata I. J. Condit 1910-6-23 Riverside Tahquitz Valley San Jacinto Mts. 2438 Comment
  RSA305757  Cordylanthus rigidus subsp. setiger Larry L. Norris 1971-9-18 1311 Riverside Vail Lake. 457 Comment
  SD229209  Cordylanthus rigidus subsp. setiger Dick Schwenkmeyer 2012-8-6 774 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  RSA0030791  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  UCR88542  Coreopsis bigelovii A. C. Sanders 1995-4-13 16489 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA660640  Corethrogyne filaginifolia Starr Streight 1982-4-17 5 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA783051  Corethrogyne filaginifolia J. D. Olmsted 1959-8-18 795 Riverside By archery range at Desert Sun school near Idyllwild at border of P. pondorosa woodland 1646 Comment
  UC1424862  Corethrogyne filaginifolia J. Sauer and F. Vasek 1973-9-26 5545 Riverside sw Murrieta; Mesa de Colorado Comment
  RSA621444  Cornus glabrata D. L. Banks 1997-11-15 2192 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  SBBG56001  Cornus nuttallii F. C. Vasek 1964-7-25 640725 -18 Riverside Dark Cyn near Wet Cyn Cmpgrd Comment
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May 19 2012
  SEINET8527446  Cornus sericea var. sericea H. M. Hall 1899-1 1369 Riverside San Bernardino Mountains Comment
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May 23 2018
  SD125721  Crassocephalum crepidioides A. C. Sanders 1986-9-15 6960 Riverside Temecula. Comment
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Sep 10 2011
  SD125359  Crassula aquatica Robert F. Thorne, Earl Lathrop 1975-5-25 45561 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA0121172  Crassula connata Duncan S. Bell, LeRoy Gross 2016-3-30 9178 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SBBG120133  Crassula connata A. C. Sanders with K. Volansky 2005-3-17 29202 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Mar 20 2011
  SEINET3089226 Image available Crassula connata Margaret Ferro 1970-5-15 17 Riverside Empty lot on Watkins Dr. behind Canyon Crest student housing. Comment
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May 16 2016
  RSA717467  Crassula erecta Scott D. White 2006-4-27 11306 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA715901  Cressa truxillensis A. C. Sanders, Guy Bruyea 2003-6-12 26890 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave., ca. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR182526  Cressa truxillensis Mitch Provance 2005-5-17 6573 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
  RSA716254  Crossosoma bigelovii W. M. Zabriskie 1973-2-22 128 Riverside Pipistrelle Canyon 75 yards before it turns east, Deep Canyon drainage, N slope of Santa Rosa Mountains 549 Comment
  RSA85070  Crossosoma bigelovii F. W. Peirson 1921-3-21 2808 Riverside Gordon Trail from Andreas Canyon, east base of the San Jacinto Mtns. 1067 Comment
  RSA785952  Croton californicus J. Andre 2011-2-9 15946 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  UCR256758  Croton californicus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7890 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
  SEINET9252933 Image available Croton californicus var. mohavensis Scott D. White 2001-4-18 8352 Riverside Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive; 33.85833 -116.525 152 Comment
  UCR142301  Croton setiger A. C. Sanders, Mike Misenhelter 2004-10-6 28837 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA675836  Crypsis schoenoides Scott D. White 2001-7-9 8716 Riverside MENIFEE: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR126933  Crypsis schoenoides Julie A. Greene 1993-6-11 1334 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north of new pond 441 Comment
  OBI23315  Cryptantha Robert F. Hoover 1969-4-11 11217 Riverside Mouth of Morongo Valley Cyn Comment
  RSA0124008  Cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9243 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCR234234  Cryptantha A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. 314 Comment
  JOTR28788  Cryptantha angustifolia La Doux, Tasha 2005-3-30 1057 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM12149  Cryptantha angustifolia Mary F. Spencer 1921-3-24 1785 Riverside In desert sand, Mecca, colorado Desert -60 Comment
  POM72271  Cryptantha angustifolia Marcus E. Jones 1903-5-10 6808 Riverside Palm Spring. 61 Comment
  RSA517912  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA650994  Cryptantha angustifolia David B. Dunn, H. Lint 1955-4-1 11832 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  RSA650996  Cryptantha angustifolia David B. Dunn 1948-3-14 3763 Riverside near Hidden Springs Ranch, 3 miles south of the Indio Hills. Colorado Desert. Comment
  RSA780381  Cryptantha angustifolia Stephanie Rockwood, Christi Gabriel 2011-11-7 197 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  RSA791597  Cryptantha angustifolia D. Silverman 2010-3-24 7825 Riverside South Palen Lake, Chuckawalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10. 130 Comment
  SBBG63615  Cryptantha angustifolia M. N. Ackley -Feb-1926 33 Riverside near Edom 64 Comment
  UC1063929  Cryptantha angustifolia H. S. Yates 1936-4-7 5442 Riverside 2.5 mi s Willis Palms; Thermal Quad. 243 Comment
  UCR103330  Cryptantha angustifolia George K. Helmkamp 1998-2-5 2635 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR138577  Cryptantha angustifolia Steve Boyd, Orlando Mistretta 1986-3-13 1438 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR52025  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2181 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCSB5531  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twentynine Palms turnoff Comment
  RSA0127780  Cryptantha angustifolia G. Rink 2013-3-17 11866 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  SD247612  Cryptantha barbigera J. Mark Porter, Leigh A. Johnson 1997-3-10 11465 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 473 Comment
  UCR180144  Cryptantha barbigera Mitch Provance 2003-4-26 9896 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR18172  Cryptantha barbigera A. C. Sanders 1978-4-2 00188 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  SEINET10455558  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3722 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  POM368352  Cryptantha circumscissa M. B. Dunkle 1933-5-6 3402 Riverside Colorado Desert. Dry Morongo Creek Comment
  UCR162544  Cryptantha corollata John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  UCR92342  Cryptantha corollata Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 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
  UCR132767  Cryptantha decipiens George K. Helmkamp 1984-5-2 D- 27 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA0023243  Cryptantha dumetorum J. Andre 2013-3-4 23868 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  RSA79575  Cryptantha holoptera F. W. Peirson 1927-4-12 7162 Riverside In Painted Canyon near Mecca. Comment
  POM368285  Cryptantha intermedia H. de Forest 1933-4-16 17612 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  RSA735608  Cryptantha intermedia LeRoy Gross, Duncan Bell 2008-9-16 3578 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
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Oct 24 2011
  UC669274  Cryptantha intermedia Annie M. Alexander and Louise Kellogg 1941-3-23 1994 Riverside Palm Springs Colorado Desert, Tahquitz Canyon 170 Comment
  UCR152529  Cryptantha intermedia A. C. Sanders 2005-4-22 29596 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR16162  Cryptantha intermedia Tony Beck 1968-4-28 680428- 9 Riverside San Bernardino Mtns/ Colorado Desert, one-half mi. south of fish pond in Whitewater Canyon, near where river crosses the road. Comment
  UCR169856  Cryptantha intermedia T. B. Salvato, John F. Green 2004-5-27 584 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR171973  Cryptantha intermedia John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  SDSU21781  Cryptantha juniperensis Mitch Provance 6532 Riverside San Bernardino Valley: Rialto, Colton Dune System, N side of Slover Ave. between Pepper Ave. and the tank farm (ca. 0.5 mi. W of Pepper Ave.) 320 Comment
  HSC87254  Cryptantha maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2179 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  POM118681  Cryptantha maritima Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM13223  Cryptantha maritima E. C. Jaeger 1920-4-20 1124 Riverside Palm Springs. Comment
  POM3919  Cryptantha maritima H. M. Hall 1905-4-23 5858 Riverside Canyon Springs Comment
  RSA617205  Cryptantha maritima L. C. Wheeler 1953-3-31 7038 -b Riverside North slope at foot of limestone face which concentrated water by its runoff. Comment
  RSA774928  Cryptantha maritima Duncan S. Bell 2011-4-7 2164 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UC180100  Cryptantha maritima H. M. Hall Apr 1905 5786 a Riverside 10 mi w Coachella; Marshall Canyon 30 Comment
  JOTR29592  Cryptantha micrantha Andre, Jim 2006-4-26 6769 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  POM6647  Cryptantha micrantha P. A. Munz 1919-3-27 2344 Riverside Salton Sea Comment
  RSA0039698  Cryptantha micrantha J. M. Andre 2013-3-27 24798 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  RSA499656  Cryptantha micrantha M. B. Dunkle 1933-4-1 3269 Riverside Dry Morongo, Riverside County Comment
  SJSU11353  Cryptantha micrantha J. W. Tofflemire 1957-4-18 Riverside Bautista Canyon Rd, Bautista Canyon SE of Hemet Comment
  UC1051659  Cryptantha micrantha Peter Kamb 1950-7-9 1908 Riverside Hall Canyon San Jacinto Mountains 1645 Comment
  UC1063822  Cryptantha micrantha H. S. Yates 1937-3-23 6394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA0014940  Cryptantha micrantha var. lepida LeRoy Gross, Evan Meyer 2013-5-21 6119 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  RSA499654  Cryptantha micrantha var. lepida N. C. Cooper 1944-5-20 1249 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  RSA771752  Cryptantha micrantha var. micrantha Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4629 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  HSC85285  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  RSA586768  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-17 466 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, at the spring just inside the wilderness boundary. 731 Comment
  SD185170  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Gavilan Hills, south of Harford Springs County Park and Ida Leona Rd., 1.5 miles eastsoutheast of Gavilan Peak. 622 Comment
  UC1537682  Cryptantha microstachys Gordon H. True Jr. 1935-2-20 3 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR120900  Cryptantha microstachys A. C. Sanders, D. Malueg 2002-4-8 24909 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
  UCR162400  Cryptantha microstachys S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR164891  Cryptantha microstachys S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  SD247356  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside San Jacinto Mountains: Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UC1329935  Cryptantha pterocarya James E. Cole 1941-4-13 566 Riverside 0.5 mi n Meeks Cabin; Joshua Tree National Monument, Pinto Pass Comment
  RSA0123286  Cryptantha racemosa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8999 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR37628  Cryptantha racemosa George K. Helmkamp 1984-5-2 D 14 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR114541  Cucurbita foetidissima A. C. Sanders, K. C. Rose 1999-6-18 22809 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA653582  Cuscuta campestris A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  RSA160502  Cuscuta indecora J. D. Olmsted 1959-9-23 993 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395. 427 Comment
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Jan 1 2007
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  JOTR35524  Cylindropuntia chuckwallensis Harding, Mitzi, M. Baker and M. Cloud-Hughes 2013-4-12 133 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Canyon, approx. 0.5 km southwest of Cottonwood Spring 966 Comment
  SEINET5624452 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  RSA0072260  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas, Kelsey Black 2013-3-24 089 Riverside Palo Verde Mesa, 14km WSW of Blythe. 120 Comment
  UCSB24789  Cylindropuntia echinocarpa Oleson, Terry 1966-4-6 Riverside On S Palm Canyon Dr.; 1 mile south of W Palm Canyon Dr.; San Jacinto foothills 152 Comment
  RSA706977  Cynodon dactylon L. M. Prince, J. I. Davis, J. Mark Porter, R. Cerros, N. Refulio 2002-3-16 2 -265 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  SD137959  Cynodon dactylon Darin L. Banks, Steve Boyd 1995-5-3 279 Riverside Cleveland National Forest, Aqua Tibia Wilderness Area. N slope, E of Drippong Springs Alcove Area. 512 Comment
  UCR82215  Cyperus esculentus J. M. Stewart 1994-5-2 844 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  CAS-BOT-BC114262  Cyperus esculentus Grant 1902-9-1 s.n. Riverside Unspecified Comment
  UCR59690  Cyperus involucratus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3578 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA502511  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3566 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
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Dec 17 2014
  RSA639265  Cyperus involucratus Robert F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains: Tahquitz Falls, Taquitz Canyon.. . Comment
  UCR193733  Cystopteris fragilis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35646 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UC816892  Dactylis glomerata Crawford and Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona; Santa Ana River Comment
  CLARK-A1703-1203  Dalea californica Charlotte Stocks 1962-4-15 Riverside Palm Springs Comment
  CLARK-A1703-1200  Dalea emoryi Charlotte Stocks 1962-6-25 Riverside Indio Comment
  GMDRC9405  Dalea mollis J. M. Andre 2017-3-4 37170 Riverside along west side of US Hwy 95, 21.4 mi. south of Vidal Junction, just north of Big Maria Mountains 123 Comment
  JOTR35997  Dalea mollis Harding, Mitzi, Mark Wheeler 2012-9-4 208 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  SEINET10452144  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2063 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  SD132345  Datisca glomerata B. Pitzer, B. L. Phillips 1988-7-1 1480 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb and Arroyo Seco Creeks 490 Comment
  UCR92140  Datisca glomerata D. L. Banks, Steve Boyd 1995-5-3 0202 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  JOTR01199  Datura wrightii Cole, James E. 1941-4-13 562 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA500216A  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3527 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA561892  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-6-10 7635 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  UCR154455  Daucus pusillus A. C. Sanders, Mike Misenhelter 2005-6-15 30966 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR182524  Daucus pusillus Mitch Provance 2005-5-17 6575 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
  UC194674  Deinandra fasciculata S. B. and W. F. Parish 1882-6-1 237 Riverside near Temecula; San Jacinto Plains Comment
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Jul 15 2009
  SEINET6050431  Deinandra kelloggii Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. Long Canyon watershed. Along Long Canyon Road. 136 meters (0.08 air miles) northwest of jct. with Ortega Hwy (SR74). In meadow south of roadway. Comment
  SD232184  Deinandra mohavensis V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacintio Mountains region: McCall Memorial Park Campground. 1310 Comment
  SD239582  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region: SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UC9213  Delphinium H. M. Hall June 1901 2161 Riverside e base of mts along borders of Colorado Desert; San Jacinto Mountains Comment
  HSC34791  Delphinium hesperium R. E. Cooksey Mar 1974 205 Riverside Salton Sink in San Bernardino Mtns., White Water Canyons 305 Comment
  RSA689567  Delphinium parishii Scott D. White, Michael Honer 2003-4-25 9111 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  CAS-BOT-BC7978  Delphinium parishii subsp. parishii Annie M. Alexander; Louise Kellogg 1941-5-11 2148 Riverside Eagle Mountains, 1.5 miles north of Cottonwood Spring. 975 Comment
  RSA0034437  Delphinium parishii subsp. parishii Donald A. Johansen, Joseph A. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  RSA400046  Delphinium patens subsp. hepaticoideum E. Crow 1929-3-17 194 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CSUSB1232  Dendromecon rigida R. M. Cope 1965-3-20 Riverside In valley on west side of road from Idyllwild to Banning, 5 miles below Lake Fulmore. 731 Comment
  UCR202577  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  JOTR28912  Descurainia pinnata La Doux, Tasha, Bill Truesdell 2004-2-24 1147 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  RSA0086463  Descurainia pinnata Mitch Provance 2013-4-8 413 -07 Riverside San Bernardino Vally: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  SEINET269274  Descurainia pinnata Bern Schwen 1994-4-17 Riverside Joshua Tree National Monument ; Pinto Mountains at bottom of Grand Tank (dry) 1189 Comment
  UC1126776  Descurainia pinnata H. S. Yates 1937-3-23 6391 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  JOTR34290  Descurainia pinnata subsp. glabra Andre, Jim 2012-4-11 20699 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
  POM13863  Dicentra chrysantha P. A. Munz 1922-4-29 5083 Riverside West of Lake Elsinore; base of elsinore mountains. 488 Comment
  SD262327  Dicentra chrysantha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617 21 Riverside Temescal Valley: Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd (Alberhill 7.5'Q) 363 Comment
  IRVC14695  Dichelostemma capitatum subsp. capitatum Victoria Sork 1973-4-5 s.n. Riverside Elsinore; 1.5 mi. N, 0.5 mi. W of intersection of Hwys 74 and 71. Comment
  RSA367461  Dichelostemma capitatum subsp. capitatum H. Twining 1890-04 s.n. Riverside [No locality information provided] Comment
  RSA33564  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-3-25 1002 Riverside Cabazon 457 Comment
  CAS-BOT-BC292202  Dicoria canescens John C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  SD87727  Dicoria canescens F. W. Peirson 1920-12-29 Riverside 1.5 miles east of Whitewater Comment
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Aug 21 2007
  SEINET13693555  Diplacus aurantiacus N. D. Atwood 1993-3-26 17662 Riverside Santa Ana Mountains, along Hwy 74, 1.5 miles S of Lake Elsinore. 671 Comment
  CAS-BOT-BC150931  Diplacus bigelovii var. bigelovii Peter H. Raven 1958-1-24 11451 Riverside Fargo Canyon Comment
  SD132999  Diplacus longiflorus Scott White 1991-5-13 91 101 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  RSA0019295  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-3-30 132 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
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Apr 20 2019
  SDSU13686  Diplacus puniceus Janet M. Knotts, Jill Steinberg 1998-4-22 22 IV1998B Riverside A few ft. E of strea on N side of footpath, ca. 0.5 mile NW of SDSU Santa Margarita Field Station, north of Santa Margarita River. 354 Comment
  RSA651790  Distichlis spicata var. stricta D. H. Wilken 1966-3-26 794 Riverside Hidden Palms Oasis in the Indio Hills. Comment
  RSA776339  Ditaxis claryana Duncan S. Bell, Amanda Turek 2010-4-10 787 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JEPS52442  Ditaxis lanceolata W. L. Jepson and H. M. Hall 1901-5-22 1400 Riverside Palm Canyon of Mt. San Jacinto and return to Van Deventer's; Mt. San Jacinto, Palm Canyon Comment
  JOTR38677  Ditaxis lanceolata Hodges, Stephen R. 2017-2-2 684 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  RSA4939  Ditaxis lanceolata C. B. Wolf 1932-4-27 3058 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UCD142874  Ditaxis lanceolata James Henrickson 1963-3-29 1215 Riverside 12 miles West of Desert Center, near Eagle Mt. 533 Comment
  RSA554243  Ditaxis lanceolata Theo. Glenn 1991-5-27 91 -122 Riverside Palen Mountains, NE of Desert Center. 360 Comment
  SEINET1109560  Ditaxis neomexicana George K. Helmkamp 1998-1 3180 Riverside Sonoran (Colorado) Desert: 2.3 mi. N of Hwy I-10 on nEagle Mtn Rd. 274 Comment
  SEINET3350031  Ditaxis neomexicana Stephen Hale 2012-1 4814 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe. 1850 Comment
  UCR166692  Ditaxis neomexicana Scott D. White, Brian Leatherman 2005-5-4 11012 A Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  UCR198166  Ditaxis neomexicana Michael Honer, L. Hulse 2004-4-2 1885 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains, east Wide Canyon, near MWD aqueduct, c. 2 mi north of Dillon Road 488 Comment
  RSA516895  Dithyrea californica Steve Boyd, Orlando Mistretta 1986-3-13 1411 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA721993  Dithyrea californica J. R. Bruff s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  SD260032  Dithyrea californica J. M. Andre 2013-3-27 24797 Riverside Rice Valley: east saide of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). Ric 7.5'Q 242 Comment
  SEINET10937426  Dithyrea californica David B. Dunn 1946-3-15 Dunn 2034 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  RSA783371  Dodecatheon alpinum J. D. Olmsted 1959-7-7 753 Riverside Northern extension of Skunk Cabbage Meadow; 4.5 miles east of Idyllwild 2424 Comment
  POM13670  Dodecatheon alpinum subsp. majus P. A. Munz 1922-7-6 5993 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UC1929719  Dodecatheon clevelandii Scott D. White 2003-3-21 8809 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  SEINET4568276 Image available Draba crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA776638  Draba cuneifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1095 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  POM96180  Draba cuneifolia var. integrifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  CAS-BOT-BC157797  Drymocallis lactea var. lactea H. M. Hall 1901-7-1 2355 Riverside In meadows and bogs of [Tauquitz] Tahquitz Valley 2499 Comment
  IRVC19379  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  SEINET13709264  Dryopteris arguta J. Adams, J. Adams (Botany) 1966-1 746 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  RSA180468  Dudleya lanceolata E. W. Lathrop 1960-5-27 5227 Riverside 6 miles west of Murrieta. Comment
  RSA586858  Dudleya lanceolata D. L. Banks, S. D. Boyd 1995-5-3 0277 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SEINET7048070  Dudleya lanceolata Steven R. Hill 2001-4-29 33547 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  SEINET13710832  Dudleya lanceolata A. Asher, A. Asher 1990-1 36 Riverside Jurpupa Hills, 30Th St, 1 Mi. N Jct with Ihy 60 Comment
  RSA559432  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-5 7222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  SEINET960008  Dudleya multicaulis Steve Boyd 1986-1 1838 Riverside Temescal Canyon: Terrace escarpment between Horsetheif wash and Indian Truck Trail, south of I-15 Comment
  RSA6650  Dudleya saxosa subsp. aloides C. B. Wolf 1932-5-25 1504 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  UCR215765  Dudleya saxosa subsp. aloides Jim Andre, T. La Doux 2006-4-26 11711 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, western drainage 1165 Comment
  UCR2347  Echinochloa colona F. M. Reed 1907-9-9 1907 Riverside South Coast; San Bernardino Valley, Riverside, Little Arroyo on Bluffs Ranch [Chicago Ave. between Tequesquite Arroyo and Pennsylvania Ave.] 293 Comment
  UCR201019  Echinochloa oryzicola Scott D. White, Justin M. Wood 2008-9-17 12538 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  RSA532559  Echinodorus berteroi David E. Bramlet 1990-7-25 2061 Riverside San Jacinto River. The area is some 1,000 meters west of Nuevo. 473 Comment
  JEPS20696  Eclipta prostrata S. B. Parish 1912-10-2 8362 Riverside Mecca -57 Comment
  SD146025  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23117 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spring 433 Comment
  UCR93030  Eclipta prostrata Steve Boyd, D. L. Banks 1994-9-29 8370 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA575831  Eleocharis acicularis var. acicularis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, western edge of the Gavilan Plateau at the head of Dawson Canyon. 585 Comment
  HSC97606  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert, Coachella Valley, 84th Ave. E of Johnson St., near W edge of Salton Sea -67 Comment
  UCR207677  Eleocharis geniculata G. R. Ballmer 2005-12-3 s.n. Riverside Transverse Range; San Bernardino Mtns., Whitewater River Canyon 610 Comment
  HSC46428  Eleocharis macrostachya Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mtns. 701 Comment
  SD186018  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd. 412 Comment
  CAS-BOT-BC113304  Eleocharis parishii W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC33443  Eleocharis parishii Samuel Bonsal Parish 1882-4-1 1569 Riverside Palm Springs, Colorado Desert. Tranquility Canyon. Comment
  SD233693  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons. Disturbed drainaage channels. 366 Comment
  UCR185181  Elymus elymoides Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1705 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  UC38192  Elymus glaucus H. M. Hall July 1901 2456 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  RSA507944  Elymus glaucus subsp. virescens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2262 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR213878  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12123 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR140697  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR2370  Elymus triticoides H. S. Fawcett 1913-12-24 1108 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  RSA182346  Emmenanthe penduliflora J. D. Olmsted 1962-5-2 3444 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UC666588  Emmenanthe penduliflora Harlan Lewis 1942-5-3 1608 Riverside 1 mi W Pinyon Flats (Calif Highway 74) Comment
  UCR216359  Emmenanthe penduliflora Mike Bell 2008-3-19 037 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR281197  Emmenanthe penduliflora Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 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
  POM356678  Encelia actoni Norman C. Cooper 1944-5-20 2627 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  RSA770416  Encelia actoni Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4884 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC628872  Encelia californica H. M. Hall 1902-4-19 2922 Riverside vicinity of Riverside 365 Comment
  CAS-BOT-BC131336  Encelia farinosa M. Bourell; R. Patterson 1987-4-14 3274 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  HSC88234  Encelia farinosa Elizabeth Neese 1979-4-10 7061 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  UC472322  Encelia farinosa Geo. B. Grant 1906-4-20 396 -6720 Riverside Palm Springs Southern California, Palm Springs Comment
  UCR146278  Encelia farinosa Donald W. Kyhos 1965-3-13 65- 111 Riverside Colorado Desert; Northeastern Colorado Desert region, 6.2 miles west of Junction of Hwy 78 and Hwy 60-70 near Blythe Comment
  UCR92193  Encelia farinosa D. L. Banks, P. Morrell 1995-5-4 306 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 622 Comment
  SEINET10618305  Encelia farinosa A. K. Evans 1976-4-13 Evans 5200 Riverside Desert canyons of Santa Rosa Mountains. Comment
  POM50381  Encelia farinosa var. farinosa W. W. Eggleston 1924-3-8 19529 Riverside Hemet. 480 Comment
  RSA336056  Ephedra aspera Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52061 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  UCR281022  Ephedra aspera Fred M. Roberts 2016-3-5 8002 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  JOTR35307  Ephedra nevadensis Andre, Jim 2012-4-11 20808 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  OBI11871  Epilobium canum Carl B. Wolf 1940-10-31 9759 Riverside Colorado Desert. Cottonwood Springs 290 Comment
  SFV21753  Epilobium canum L. Malessa 2000-7-22 s. n. Riverside San Jacinto Mountains Dark Canyon, by stream on road to Dark Canyon Campground. 1775 Comment
  CAS-BOT-BC171732  Epilobium canum subsp. latifolium R. J. Kessler 1921-10-1 1921 Riverside San Jacinto Mts. Comment
  RSA500201  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3543 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR131004  Epipactis gigantea George H. Grinnell 1921-5-20 s.n. Riverside Riverside 366 Comment
  CAS-BOT-BC58049  Equisetum G. B. Grant 1901-1-1 s.n. Riverside Strawberry Valley, San Jacinto. Comment
  SEINET1906700  Eragrostis barrelieri A. C. Sanders, G. K. Helmkamp 1996-1 17978 Riverside Coachella Valley: palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR201870  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA596779  Eragrostis curvula var. conferta D. L. Banks, K. D. Hedge 1996-5-16 1037 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the E side of the road next to a vineyard., T8S R2W; 1/2 mile N of sec. 24. 399 Comment
  UCR14448  Eragrostis curvula var. curvula O. F. Clarke, Jeanine Derby 1974-6-19 s.n. Riverside Perris-Aguanga Basin Region, [San Jacinto River] south of Ramona Expressway, 1/2 mile NW of Lakeview 432 Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  RSA0121004  Eremalche rotundifolia Duncan S. Bell, LeRoy Gross 2016-3-8 8829 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA480029  Eremalche rotundifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2156 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SEINET11981651  Eremalche rotundifolia M. F. Spencer 1922-1 413 Riverside Cathedral Canyon, Palm Springs Comment
  JOTR36441  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
  JEPS48796  Eriastrum densifolium Marjorie D. Clary 1932-6-5 926 Riverside Dead Indian Trail west side Colorado Desert, Santa Rosa Mts. Comment
  UCR126169  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 101 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  UCR263236  Eriastrum eremicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41483 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  UC729736  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside on Blythe Rd 3 mi s Rice; Eastern Colorado Desert 213 Comment
  RSA0043247  Eriastrum sapphirinum subsp. dasyanthum Duncan S. Bell, J. D. England 2010-5-27 1124 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.8 air mile southeast of junction of Highway 74 and forest service road 5S15. 768 Comment
  SD262342  Eriastrum sapphirinum subsp. dasyanthum Mitch Provance 2017-5-25 517 67 Riverside Temescal Valley: 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Valley Rd and Hwy 15 (Alberhill 7.5'Q) 360 Comment
  RSA0121567  Eriastrum sapphirinum subsp. dasyanthum Elbert Benjamine 1929-5-18 235 Riverside Mt. San Jacinto. 1220 Comment
  GMDRC6582  Eriastrum sapphirinum subsp. sapphirinum J. M. Andre 2012-6-15 30544 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  CAS-BOT-BC287511  Ericameria linearifolia H. M. Hall 1899-5-1 1140 Riverside At Kenworthy Comment
  CAS-BOT-BC434240  Ericameria linearifolia Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9012 Riverside Santa Rosa Mtns.: c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  LA202468  Ericameria linearifolia Elizabeth McClintock; 1936-4-11 sn Riverside Ribbonwood, Pines to Palms Highway Comment
  JOTR32833  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA675712  Ericameria palmeri var. pachylepis Scott D. White 2000-10-20 8137 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR250108  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-9 41007 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UC894829  Ericameria paniculata Carl B. Wolf 1932-10-13 Riverside 0.5 mi before reaching Cottonwood Springs; Colorado Desert, Eagle Mts. 289 Comment
  RSA761991  Erigeron foliosus Peter Guiden, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 74 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM13090  Erigeron foliosus var. foliosus E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  RSA659767  Eriochloa contracta J. C. Roos 1963-8-10 s.n. Riverside Blythe Comment
  RSA516745  Eriodictyon crassifolium Ed LaRue 1989-4-25 s.n. Riverside 3 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD260256  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42396 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site (Pechanga 7.5'Q) 465 Comment
  CAS-BOT-BC248619  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UC6237  Eriogonum apiculatum H. M. Hall 1897-8-13 849 Riverside from type locality, San Jacinto Mt. San Jacinto Mt. 1828 Comment
  SEINET5328305  Eriogonum apiculatum J. L. Reveal, Barbara J. Ertter 1976-6-30 4569 Riverside Santa Rosa Mtns, along the dirt road to Santa Rosa Mtn. at Stump Spring Camp, about 13.5 mi SE of California Hwy 74, 2316 Comment
  SEINET5328306  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  SFV20154  Eriogonum davidsonii J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .1 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR72173  Eriogonum deflexum Theo Glenn 1991-5-15 91- 134 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CAS-BOT-BC256127  Eriogonum deflexum var. deflexum Annie M. Alexander; Louise Kellogg 1941-5-28 2264 Riverside 2 miles east of Shaver Summit, Colorado Desert Comment
  POM202624  Eriogonum elongatum Marcus E. Jones 1933-10-29 s.n. Riverside Palm Springs. Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  RSA708052  Eriogonum fasciculatum subsp. foliolosum Scott D. White, Angelia Carey 2004-4-16 10169 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA192061  Eriogonum fasciculatum var. foliolosum E. W. Lathrop 1959-4-17 4480 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA28018  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring. Comment
  RSA33572  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-5-6 1200 Riverside Whitewater Canyon. 457 Comment
  CAS-BOT-BC253488  Eriogonum gracile P. A. Munz; E. K. Balls 1952-8-21 17966 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  RSA0125108  Eriogonum gracile var. gracile Duncan S. Bell 2016-10-27 10217 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA393247  Eriogonum gracile var. gracile T. W. Minthorn 1925-7-4 s.n. Riverside Near Perris. Comment
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Nov 17 2011
  RSA485411  Eriogonum gracile var. incultum Steve Boyd 1987-2-12 1966 Riverside Temescal Canyon, southeast of Corona, where Horsethief Wash crosses Temescal Canyon Rd. 354 Comment
  CAS-BOT-BC257580  Eriogonum inflatum L. R. Abrams 1926-3-27 11124 Riverside Near Whitewater Comment
  CAS-BOT-BC257583  Eriogonum inflatum Roxana S. Ferris 1918-6-14 980 Riverside In Box Canon [Canyon], Chocolate Mts. on Mecca-Blythe Rd Comment
  RSA772057  Eriogonum inflatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4622 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR148292  Eriogonum inflatum John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR167269  Eriogonum inflatum 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
  RSA393581  Eriogonum inflatum var. inflatum N. C. Cooper 1944-5-20 2645 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  SBBG97159  Eriogonum inflatum var. inflatum W. L. Halvorson 1977-2-15 77 -23 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR122585  Eriogonum molestum George K. Helmkamp 1995-11-16 101 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  UCR99216  Eriogonum molestum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain Truck Road (Truck trail going up Santa Rosa Mountain), c. 8 mi SE of the junction with Hwy 74. west of Deep Canyon Comment
  CAS-BOT-BC269777  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  POM250545  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside Keene Camp P.O. 1425 Comment
  RSA766361  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1930-8-31 2132 Riverside Below north rim of Tahquitz Valley. San Jacinto Mts. 2591 Comment
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Nov 6 2011
  UC634998  Eriogonum pusillum H. L. Mason 1928-3-10 4186 Riverside White Water River Comment
  UCR4237  Eriogonum pusillum K. S. Gill 1965-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Canyon 5 mi north of Hwy 60 610 Comment
  CAS-BOT-BC263540  Eriogonum thomasii Ira L. Wiggins 1941-3-24 9586 Riverside On east side of Salton Sea, 1 mile north of Imperial County line Comment
  CAS-BOT-BC263543  Eriogonum thomasii Philip A. Munz 1949-4-11 13002 Riverside Eastern end of Joshua Tree National Monument, Mohave Desert 944 Comment
  UC1329832  Eriogonum thomasii James E. Cole 1941-4-13 579 Riverside 0.5 mi n Meek's Cabin (Pinto Pass); Joshua Tree National Monument, Pinto Pass Comment
  UCD101285  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside just north of Milpitas Wash, Ogilby-Blythe Road. Comment
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Mar 2 2013
  UCD101289  Eriogonum thomasii Geoffrey Levin 1975-4-5 470 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernardino Mountains. Salton Sink Drainage area. 60 Comment
  CAS-BOT-BC262878  Eriogonum thurberi A. J. McClatchie 1896-7-7 1162 Riverside Pala Comment
  RSA500553  Eriogonum thurberi Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3596 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC1785038  Eriogonum thurberi Marjorie Clary 1932-5-25 1036 Riverside Berdoo Canyon, Little San Bernardino Mountains 1158 Comment
  JOTR35348  Eriogonum trichopes Harding, Mitzi, Mark Wheeler 2012-2-28 115 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  CAS-BOT-BC268190  Eriogonum umbellatum var. munzii James L. Reveal; Caroline G. Reveal 1972-8-9 2859 Riverside San Jacinto Mountains, along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74 and 1.2 miles south of Alandale Ranger Station Comment
  CAS-BOT-BC264934  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-4 172 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  JOTR29590  Eriogonum wrightii var. nodosum Andre, Jim 2006-4-26 6782 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR75080  Erioneuron pulchellum A. C. Sanders, E. J. Lawlor 1992-4-4 12133 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC62976  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 1 1896-Apr 10 1896 Riverside Palm Spring Colorado Desert, Palm Spring Comment
  IRVC29077  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Harford Springs County Park Gavilan Hills 610 Comment
  POM357965  Eriophyllum confertiflorum Norman C. Cooper 1949-6-29 4325 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA544382  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross 1991-6-14 6397 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
  UCR111771  Eriophyllum confertiflorum Mitch Provance 1998-3-17 223 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR116926  Eriophyllum confertiflorum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24219 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
  JOTR34189  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2983 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
  UC495188  Eriophyllum confertiflorum var. confertiflorum P. A. Munz 1932-4-24 12391 Riverside along canyon bottom Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  UC63031  Eriophyllum confertiflorum var. confertiflorum H. M. Hall 1899-5-1 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  UC668358  Eriophyllum confertiflorum var. confertiflorum Annie M. Alexander and Louise Kellogg 1941-4-24 2073 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  JEPS5372  Eriophyllum multicaule W. L. Jepson 1935-4-17 19148 Riverside 1.5 mi n Elsinore 457 Comment
  SEINET3146687  Eriophyllum multicaule M. E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  CAS-BOT-BC296927  Eriophyllum wallacei Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA339653  Eriophyllum wallacei R. F. Thorne, C. W. Tilforth 1980-5-28 54231 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA67309  Eriophyllum wallacei G. R. Campbell 1951-4-22 15999 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA786535  Eriophyllum wallacei C. P. Cowan 1978-4-23 1214 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCR137705  Erodium brachycarpum D. L. Banks 1997-3-16 1541 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR89653  Erodium cicutarium Bern Schwenn 1994-3-23 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Hexie Mtns: E side of Pleasant Valley on south side of Mtns, along road between Hershey Mill Site and El Dorado Mine 976 Comment
  UCR120805  Erodium macrophyllum Ian G. Gillespie 2000-4-19 10 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  SBBG54326  Eryngium aristulatum var. parishii C. Davidson 1977-5-25 5653 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  SD218386  Erythranthe diffusa P. A. Munz 1922-4-30 5153 Riverside Hills south of Tuscaloa Creek on road from Aguanga. Comment
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Feb 18 2013
  UC64136  Eschscholzia californica H. M. Hall 1897-4-18 445 Riverside Beaumont Comment
  RSA445669  Eschscholzia minutiflora M. B. Dunkle 1932-3-25 2915 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  UCD94206  Eschscholzia minutiflora Shannon M. Still 2008-3-21 317 Riverside California. Riverside County: Turtle Mountains. Just south of Black Ridge of the Turtle Mountains in a wash along Hwy. 62. 277 Comment
  CAS-BOT-BC419648  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-12 2155 Riverside Colorado Desert. Along main road; 4 miles northeast of Cottonwood Spring, Eagle Mountains 914 Comment
  SBBG2342  Eschscholzia parishii H. and M. Dearing 1937-4-10 510 Riverside NE of Indio Comment
  SD225054  Eschscholzia parishii G. K. Helmkamp 1998-4-4 3160 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumpins station 305 Comment
  UCR16457  Eschscholzia parishii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon about 8 miles east of Mecca 274 Comment
  UCR279542  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-29 43183 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UC1608084  Eucalyptus camaldulensis A. C. Sanders and B. Pitzer 1986-2-10 BG- 27 Riverside in Myrtle section U.C. Riverside Botanical Garden (Grid cell K-6) 396 Comment
  UCR142929  Eucalyptus tereticornis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  RSA180274  Eucrypta chrysanthemifolia E. W. Lathrop 1965-5-18 5753 Riverside 8 miles W of Murrieta. 610 Comment
  SEINET3091500 Image available Eucrypta chrysanthemifolia B. Pitzer, L. F. LaPre 1987-3-2 418 Riverside Peninsular Range; Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi north of Bundy Canyon Road, off Raciti Rd. Romoland 7.5 703 Comment
  UCR111558  Eucrypta chrysanthemifolia Mitch Provance 1999-5-4 1706 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR231738  Eucrypta chrysanthemifolia John F. Green 2008-4-23 08- 05 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UC1424860  Eucrypta chrysanthemifolia var. chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside hills e Norco Comment
  UCR237628  Eucrypta micrantha Duncan S. Bell 2010-3-20 607 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR279516  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-27 43104 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  RSA357136  Euonymus occidentalis var. parishii R. F. Thorne 1969-10-25 41851 Riverside San Jacinto Mountains: James Reserve. Comment
  UC18053  Euonymus occidentalis var. parishii H. M. Hall June, 1901 2299 Riverside water courses in vicinity of Strawberry Valley (San Jacinto Mts.); San Jacinto Mts. 1828 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
  UCR16189  Euphorbia albomarginata John M. Spencer 1971-4-16 16 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
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Apr 5 2011
  SD260042  Euphorbia eriantha J. Andre 2012-4-11 20777 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. Interface of steep rocky hills and large wash. 729 Comment
  RSA0042921  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-2 6494 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR114025  Euphorbia maculata Mitch Provance 2000-6-24 2048 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  SEINET3089929 Image available Euphorbia misera Robert F. Thorne 1980-5-28 54154 Riverside San Bernardino Mts: at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On S-facing end of rocky ridge above old road, due N of hwy to Indio. Comment
  UCR41338  Euphorbia polycarpa N. M. Fellows 1985-1-5 61 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  OBI14405  Euphorbia polycarpa var. hirtella Lewis S. Rose 1959-1-8 59003 Riverside La Quinta 15 Comment
  UCD142683  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave., Corona. Comment
  UCR215128  Euphorbia spathulata Sarah C. Pasquini 2008-4-15 10 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  SD137891  Euthamia occidentalis Darin L. Banks, Steve Boyd 1995-10-17 805 Riverside Agua Tibia Mountains, Agua Tibia Wilderness Area, Along lower Arroyo Seco, south of the Dripping Springs Campg, just west of Metasedimentary 525 Comment
  CLARK-A1656-734  Fagonia laevis 1979-3-11 Riverside Coachella Valley Comment
  JOTR33810  Fagonia laevis La Doux, Tasha, B. Truesdell 2007-11-9 3327 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  RSA0040074  Fagonia laevis Jim Andre 2014-1-27 26657 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA703813  Fagonia laevis LeRoy Gross 2005-3-3 1594 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG19817  Fagonia laevis J. R. Haller 1960-4-2 1521 Riverside lower slopes of Orocopia Mtns 1.5 mi S of the jct of US Hwy 60-70 and the S entrance rd to Joshua Tree Nat Monument 548 Comment
  SBBG29416  Fagonia laevis D. Myrick 1968-3-4 1810 Riverside Palms to Pines Hwy out of Palm Desert Comment
  UC56665  Fagonia laevis H. M. Hall 1902-4-11 2794 Riverside Coyote Canyon Colorado Desert (w borders of the Colorado Desert) 137 Comment
  UCR112103  Fagonia laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23354 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR200304  Fagonia laevis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11238 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
  RSA45531  Fagonia pachyacantha J. C. Roos, L. Roos 1949-4-6 4146 Riverside Orocopia Mts., 2.5 mi. northeast of Dos Palmos Springs. 183 Comment
  UCR233167A  Fagonia pachyacantha Jim Andre, Glenn L. Clifton 2011-2-22 17444 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR91877  Fatoua villosa A. C. Sanders, Steve Morgan 1995-11-30 17926 Riverside Box Springs Mtns., UCR Botanic Garden 365 Comment
  CHSC8316  Ferocactus cylindraceus Edward L. Smith 1957-4-3 231 Riverside 1 mi. off hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
  UCR95455  Festuca arundinacea D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1117 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  UCR117407  Festuca dertonensis A. C. Sanders, Carolyn Washburn 2001-5-10 24229 Riverside Perris-Aguanga Basin region, S of Hemet near North Domenigoni Hills, Domenigoni Parkway at MWD Canal 451 Comment
  UCR88299  Festuca microstachys A. C. Sanders, K. C. Rose 1995-4-5 16367 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  JOTR34337  Festuca octoflora Andre, Jim 2012-4-11 20680 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
  RSA614653  Filago californica A. C. Sanders 1997-3-1 19700 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA85100  Filago californica J. C. Roos 1952-4-13 5528 Riverside Box Springs Mts. 488 Comment
  UCR228875  Filago californica A. C. Sanders 2011-4-6 39015 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
  UCR166301  Filago depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16129 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA495805  Forestiera neomexicana Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2914 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  JEPS83134  Fouquieria splendens subsp. splendens R. P. Allen 1935-3-23 Riverside Shaver's Well Comment
  UCD117406  Fouquieria splendens subsp. splendens William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SD229246  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-17 693 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SEINET1004423  Frankenia salina A. C. Sanders 2004-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region; Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi e of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun city 457 Comment
  UC63850  Frankenia salina H. M. Hall June, 1901 Riverside San Jacinto Lake Comment
  UCR266356  Frankenia salina D. E. Bramlet 2005-6-28 3881 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR80793  Frasera parryi Scott D. White 1993-5-29 1443 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UC1979596  Fremontodendron californicum subsp. californicum D. L. Banks, Victor Steinmann 1995-7-10 0755 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage S of the peak Agua. Comment
  CLARK-A1528-688  Fumaria officinalis Olga Kersteiner 1963-3-12 Riverside Indio Comment
  UCD121391  Funastrum cynanchoides var. cynanchoides T. B. Salvato; Kent Beaman 2005-5-16 791 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  RSA458587  Funastrum cynanchoides var. hartwegii M. B. Dunkle 1935-4-17 4557 Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  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
  UCR268085  Funastrum hirtellum Jim Andre 2012-4-11 20727 Riverside Mojave Desert, Joshua Tree National Park, along road to Cottonwood Spring (Utah Trail or Eldorado Mine Road) 1 mile northwest of Fried Liver Wash, c. 15 miles south of Hwy 62 at 29 Palms 617 Comment
  UCR279514  Funastrum hirtellum A. C. Sanders, Jim Malusa 2017-3-27 43109 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR281020  Funastrum hirtellum Fred M. Roberts 2016-3-5 7999 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  CLARK-A1045-87  Galium andrewsii George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains ca. 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  CLARK-A1528-1351  Galium angustifolium Charles S. Papp 1964-6-6 508 Riverside Cleveland National Forest 853 Comment
  SD187471  Galium angustifolium Scott D. White, Angelia Carey 2004-4-16 10185 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 116 Comment
  UCR213441  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37829 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
  POM12926  Galium angustifolium subsp. angustifolium Philip A. Munz 1922-6-27 5858 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  JEPS56051  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4246 Riverside along Black Mountain Road 2.2 mi above junction with Pine Wood road; along Black Mountain Road 2072 Comment
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Oct 12 2006
  UCR147257  Galium aparine Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1282 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA0042107  Galium stellatum Duncan S. Bell, Deidre Conocchioli 2014-3-11 6228 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UCR173929  Gamochaeta stagnalis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32564 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  CAS-BOT-BC178390  Garrya flavescens Carl B. Wolf 1939-1-20 9485 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  RSA494631  Garrya veatchii Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  CAS-BOT-BC154107  Geraea canescens N. Aitkenhead 1977-2-3 2117 Riverside At intersection of T/L & Chuckwalla Mnt. Road Comment
  CAS-BOT-BC303566  Geraea canescens K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd ca 20 miles W of Blythe Comment
  RSA780572  Geraea canescens Stephanie Rockwood, Christi Gabriel 2011-11-1 194 Riverside Pallen Dunes Road, Ford Dry Lake area. I10 exit 217. Chuckwalla Valley. 107 Comment
  SBBG32350  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside ca. 6 mi SE of Thousand Palms 15 Comment
  RSA667120  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region; Riverside, UCR Botanical Garden, E side of the campus. 121 Comment
  UCR121667  Geranium robertianum A. C. Sanders, T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  RSA735921  Gilia angelensis Scott D. White, Jamie Minor 2008-3-13 11771 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  UCR96914  Gilia angelensis G. F. Pratt 1997-3-18 s.n. Riverside March Air Force Base, vicinity of Arnold Heights, east of Alessandro Blvd. 460 Comment
  UCR30803  Gilia australis A. C. Sanders, Ken Berg 1980-5-1 1357 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UC1138214  Gilia maculata H. Lewis 1952-4-5 Riverside Aqueduct Road 5.2 mi s Garnet; s of Garnet Comment
  CAS-BOT-BC407807  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-1 2912 Riverside Vicinity of Winchester 365 Comment
  POM65959  Gilia ochroleuca subsp. exilis H. M. Hall 1902-04 2912 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA0016287  Gilia ochroleuca subsp. exilis P. A. Munz 1927-5-21 10859 Riverside Coahuila. 1372 Comment
  JOTR35058  Gilia stellata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3510 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA768415  Gilia stellata J. Andre, T. La Doux 2009-2-28 10837 Riverside Joshua Tree National Park: southeast Little San Bernardino Mountains, Along Berdoo Canyon Road, approx. 0.8 miles north of Joshua Tree National Park boundary, approx. 3 miles north of Dillon Road. 632 Comment
  CLARK-A1528-4676  Glyceria elata John C. Roos 1941-8-2 85 Riverside San Jacinto Mountains Comment
  CDA4145  Glycyrrhiza glabra K. E. Hoffmaster 1968-11-18 Riverside Coachella Valley near Mecca. 0 Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  UCR21161  Gnaphalium californicum 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
  UCR19791  Gnaphalium canescens subsp. beneolens W. W. Mayhew 1977-10-1 s.n. Riverside San Jacinto Mtns., [Hwy 243] 1 mi SE of Poppet Rd. 1341 Comment
  UCR133947  Gnaphalium canescens subsp. microcephalum John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR149978  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR91618  Gnaphalium luteoalbum D. L. Banks, Steve Boyd 1995-3-30 0123 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  RSA276721  Gnaphalium palustre John F. Emmel 1978-9-3 617 Riverside San Jacinto Mts, Strawberry Creek, SW of Idyllwild. 1555 Comment
  RSA639129  Gnaphalium palustre R. F. Thorne, Earl Lathrope, Oscar Clarke, S. Carlquist 1968-4-18 37460 B Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  RSA713787  Gnaphalium palustre A. C. Sanders, Kelly Volansky 2005-3-17 29209 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  UCR172148  Gnaphalium stramineum A. C. Sanders 2006-5-11 32266 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR92794  Gnaphalium stramineum Scott D. White, M. Wilcox 1995-7-11 3466 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  LA203644  Gutierrezia californica Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside San Jacinto Mountains, Palms to Pines Highway Comment
  RSA717577  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 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
  SEINET11841383  Gutierrezia californica O. F. Clarke 1970-1 s.n. Riverside Botanic Gardens of the University of California, Riverside Comment
  POM78959  Gutierrezia sarothrae I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  CLARK-A1528-1904  Haplopappus squarrosus John C. Roos 1965-10-7 Riverside Comment
  CAS-BOT-BC231104  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of Interstate 15 Comment
  UCR281489  Helianthemum scoparium Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 113 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  RSA357134  Helianthemum scoparium var. vulgare R. F. Thorne 1969-10-25 41853 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  CAS-BOT-BC305707  Helianthus gracilentus Peter H. Raven; Sidney R. Snow 1956-7-6 9660 Riverside Vandeventer Flat, San Jacinto Mts. Comment
  CLARK-A1528-246  Helianthus tuberosus Oscar F. Clarke 1969-9-28 Riverside Riverside Comment
  RSA704847  Heliotropium curassavicum Anonymous 1947-4-5 s.n. Riverside Lake Elsinore. Comment
  RSA680563  Hemizonia fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA792714  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40231 Riverside Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  RSA678262  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  UCR193900  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35783 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA192325  Hemizonia paniculata E. W. Lathrop 1967-5-14 s.n. Riverside 1-2 miles SW of Murietta Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR90423  Hemizonia paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mtns., Agua Tibia Mtns; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approx. 1.6 mi from the Wilderness boundary 939 Comment
  UCR230882  Hemizonia pungens subsp. laevis Jeremiah George 2011-7-15 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, southwest of corner of Pasadena and 3rd St. 385 Comment
  UCR260890  Hemizonia pungens subsp. pungens A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41523 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  SD152737  Hesperocnide tenella Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7359 Riverside S Santa Ana Mtns,San Mateo Cyn Wild.Area,San Mateo Cyn,stream&adj.benches&lower slopes frm confl.w/Los Alamos Cyn downstream to confl. w/Tenaja Cyn. in understory dense,mesic chaparral on steep slope,SW of Fisherman's Camp,confl.San Mateo&Tenaja Crks. 366 Comment
  UCSB17459  Hesperoyucca whipplei Lockwood, Leo 1963-5-4 Riverside W side of banning-Idyllwild Road, 4 miles S of U.S. Highway 60, 70, 99 762 Comment
  RSA192331  Heteromeles arbutifolia H. A. Zuill 1966-6-29 259 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  SDSU1699  Heterotheca sessiliflora F. Young Berg 1933-8-28 1547 Riverside Idyllwild, San Jacinto Mts. Comment
Read comments
Mar 10 2014
  UC1080368  Heterotheca sessiliflora subsp. fastigiata E. K. Balls and P. C. Everett 1957-8-20 22680 Riverside se of Hemet Reservoir (along State Hwy 74, s end of San Jacinto Mts.); San Jacinto Mts. 1356 Comment
  RSA778205  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 799 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  VVC693  Hibiscus denudatus P. J. MacKay, T. Thomas 1997-2-8 102 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  POM48031  Hieracium horridum P. A. Munz, I. M. Johnston 1924-7-27 8740 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  JOTR33121  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  POM14017  Hoffmannseggia glauca P. A. Munz, D. D. Keck 1922-4-13 4927 Riverside Hayfields, Chuckwalla Valley 152 Comment
  RSA644302  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Colorado Desert: Chuckwalla Valley, Ford Dry Lake, N of I-10 at Ford Dry Lk. Rd., near site of Hopkins Well 109 Comment
  UCD105854  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  UCR128293  Holodiscus microphyllus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8638 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR220341  Hordeum D. E. Bramlet 1991-5-7 2122 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  CAS-BOT-BC285036  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd. 460 Comment
  SEINET244302 Image available Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin; San Jacinto River Valley, S side of intersection of Sanderson Ave, and Ramona Blvd., ca. 4 mi. NW of San Jacinto. 445 Comment
  UCR99328  Hordeum intercedens D. E. Bramlet 1996-4-18 2456 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, c. 762 m NE of Lakeview, 122 m east of Davis Rd. and 40 m north of Marvin Rd 434 Comment
  UCR117649  Hordeum marinum subsp. gussoneanum Scott D. White, M. Jacobsmeyer 1996-4-20 3972 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  SEINET10611043  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 Munz 16651 Riverside Moist slope, north end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  CAS-BOT-BC284763  Hordeum murinum subsp. glaucum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23083 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  POM1308  Hordeum murinum subsp. glaucum Crocker, Robinson 1916-3-29 730 Riverside Elsinore near lake shore Comment
  CAS-BOT-BC201089  Hosackia crassifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  RSA249826  Hulsea vestita subsp. callicarpha R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38088 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC1483322  Hulsea vestita subsp. callicarpha C. W. Tilforth and W. Wisura 1979-10-11 1922 Riverside 10.4 mi from n junction with Highway 74. s of Lake Hemet; Thomas Mtn. Road Comment
  UC1181321  Hydrocotyle ranunculoides Peter H. Raven 1959-5-17 14232 Riverside San Jacinto Mts., Lake Fulmor Comment
  UCR3467  Hymenoclea salsola Sally Bell 1964-3-24 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, along Washington [Street], c. 3.5 mi. north of the 'Indio Freeway' (= Hwy I-10) 76 Comment
  JOTR28946  Hymenoclea salsola var. salsola La Doux, Tasha 2005-3-30 1182 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM12076  Hypericum androsaemum Mary F. Spencer 1921-6-13 982 Riverside Idyllwild 1616 Comment
  POM361216  Hypochaeris glabra J. D. Olmsted 1962-5-10 3649 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  UCR182568  Hypochaeris glabra Andrea Salzman 2006-5-17 128 Riverside Peninsular Range; Murrieta Area, Warm Springs Creek watershed, off Lindenberger Rd. at corner of Calle de Los Caballos 457 Comment
  UCR241191  Hypochaeris glabra T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 371 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  POM294817  Hyptis emoryi Lyman Benson 1945-11-11 11963 Riverside Palm Springs. -30 Comment
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Apr 25 2011
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  OBI16008  Isocoma acradenia var. eremophila Louis C. Wheeler 1931-11-27 375 Riverside 5 me SE Mecca, Coorado Desert 61 Comment
  UCR277518  Isocoma menziesii Mitch Provance 2012-9-13 912- 05 Riverside Badlands of Western Riverside County, Mt. Davis, +- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  RSA655226  Isocoma menziesii var. menziesii Scott D. White 1999-10-7 7623 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  SD227747  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR116711  Isomeris arborea Helen Kennedy, Sara Mills 2001-3-17 5389 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UC76429  Iva axillaris subsp. robustior Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  CAS-BOT-BC158117  Juglans regia A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37146 Riverside Peninsula Range: Riverside, UCR campus by West Campus Drive near The Barn 320 Comment
  UCR174258  Juncus balticus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32677 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  UCR232054  Juncus balticus John F. Green 2008-4-22 06- 05 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 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 2652 Comment
  POM259107  Juncus bufonius Phillip A. Munz 1938-8-14 15351 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA674965  Juncus bufonius Scott D. White, Teresa Salvato 2001-6-8 8583 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA69674  Juncus bufonius F. W. Peirson 1919-4-14 2845 Riverside Murray Canyon, near Palm Springs. Comment
  SBBG120000  Juncus bufonius A. C. Sanders, K. Volansky 2005-3-17 29224 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UC1601697  Juncus bufonius H. M. Hall Jun 1901 2076 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR156285  Juncus bufonius T. B. Salvato, Kent Beaman 2005-5-16 829 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR21523  Juncus bufonius Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  RSA617722  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Idyllwild Area: Highway 243 at Deer Springs trailhead and adjacent area., 33 deg 45N, 116 deg 43 W. 1707 Comment
Read comments
May 26 2008
  UCR40551  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  POM14184  Juncus mexicanus Phillip A. Munz 1922-5-18 5324 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  RSA562485  Juncus mexicanus Steve Boyd, Timothy S. Ross 1992-5-5 7251 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  POM172033  Juncus oxymeris F. M. Reed 1928-7-15 6021 Riverside Strawberry Creek below Idyllwild, San Jacinto Mountains. 1494 Comment
  SBBG19541  Juncus oxymeris R. Moran 1962-7-7 9857 Riverside Strawberry Crk, 2 mi SW of Idyllwild 472 Comment
  UCR116688  Juncus rugulosus George K. Helmkamp 1974-7-14 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  POM259178  Juncus saximontanus Phillip A. Munz 1938-8-13 15324 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  NY21050  Juniperus californica L. S. Rose 1936-12-24 36810 Riverside 24 mi SW of Indio, Palms to Pines Highway, San Jacinto Mts 1066.8 Comment
  RSA500188  Juniperus californica Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3203 Riverside Vail Lake Area, W end of bench on S flank of Oak Mtn. 518 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-BC234566  Justicia californica E. A. Blondin 1944-4-8 s.n. Riverside Tahquitz Canyon Comment
  OBI20392  Justicia californica Robert F. Hoover 10163 Riverside Dead Indian Canyon Comment
  RSA398813  Justicia californica H. de Forest 1924-4-13 s.n. Riverside Tahquitz Canyon. Comment
  RSA402291A  Justicia californica N. C. Cooper 1949-4-8 3274 Riverside Shaver's Summit east of Indio. 610 Comment
  SDSU2158  Justicia californica A. H. Gallup 1949-3-28 388 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], San Jacinto Mountain Range, Colorado Desert drainage area, east slope. 152 Comment
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Jan 30 2013
  SEINET2163665 Image available Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi below Cottonwood Springs Comment
  SEINET2163666 Image available Justicia californica G. L. Webster, R. Hildreth 1966-12-10 7461 Riverside Joshua Tree National Monument; upper part of Cottonwood Canyon. 790 Comment
  UCR242298  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40424 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd., 0.1 mi. above I-10 junction, below Ironwood St. Prison 120 Comment
  UCR89730  Kallstroemia californica J. M. Stewart 1990-9-23 661 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC235501  Keckiella antirrhinoides Annie M. Alexander; Louise Kellogg 1941-5-23 s.n. Riverside Mouth of Canyon, north face Eagle Mts. 1158 Comment
  JEPS13634  Keckiella antirrhinoides Peter Kamb 1949-5-8 1407 Riverside road above Banning (Banning-Idyllwild road, foothills of the San Jacinto Mts); San Jacinto Mts. 701 Comment
  SEINET3930995  Keckiella antirrhinoides David Keil 1983-4-15 16899 Riverside East of Temecula on SR79.; 0 Comment
  SEINET13768165  Keckiella antirrhinoides I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4742 Riverside Perres-Gavilan Peak 500 Comment
  LA209287  Keckiella antirrhinoides var. antirrhinoides Anna Lang; 1971-4-19 sn Riverside San Timoteo Badlands; slope near roadcut along Redlands Blvd 640 Comment
  JOTR30643  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Erin Babich 2008-4-21 1805 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  NY43344  Keckiella cordifolia C. R. Annable 1995-3-12 2273 Riverside Box Canyon Wash, Hwy 195 Comment
  POM11201  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-6 6027 Riverside Between Tahquitz Valley and Round Valley. 2287 Comment
  UCR119859  Keckiella rothrockii subsp. jacintensis Heidi West 2000-7-20 s.n. Riverside San Jacinto Mtns., Hidden Lake Divide, 0.2 mi. ESE of Divide Peak and c. 0.15 mi. SW of the W edge of Hidden Lake, just east of trail from Long Valley to Willow Creek 2659 Comment
  CAS-BOT-BC61424  Krameria bicolor John Thomas Howell 1927-8-1 2875 Riverside N.E. of Whitewater, Colorado Desert 457 Comment
  JOTR01075  Krameria erecta Cole, James E. 1941-5-21 760 Riverside Joshua Tree National Park. DALE, COTTONWOOD ROAD 914 Comment
  PASA1849  Krameria grayi R. Peirce 1966-4-21 Riverside 1 mi. W. of Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA680921  Krameria grayi Scott D. White, Michael Honer 2003-5-14 9279 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC168028  Krameria grayi S. B. and W. F. Parish April, 1882 Riverside Agua Caliente Comment
  UCR167858  Lactuca serriola T. B. Salvato, Melissa Clemons 2005-6-23 1327 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR180576  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA621500  Lamium amplexicaule D. L. Banks 1997-11-15 2201 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR50574  Langloisia schottii B. G. Pitzer 1988-3-10 0641 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  RSA690983  Langloisia setosissima subsp. setosissima Scott D. White, Michael Honer 2003-5-14 9305 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CAS-BOT-BC166021  Larrea tridentata Roxana S. Ferris 1918-6-13 958 Riverside 1 mi. south of Cabazon in White Water Wash Comment
  JOTR31951  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  POM310157  Larrea tridentata Hulda Crooks 1946-3-2 265 Riverside Palm Springs area. 139 Comment
  POM87266  Larrea tridentata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA390031  Larrea tridentata L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  RSA516899  Larrea tridentata Steve D. Boyd 1986-3-13 1418 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA652037  Larrea tridentata Peter Gail 1961-5-13 s.n. Riverside Along Palms to Pines Highway, 2 miles north of junction. Comment
  SEINET10779066  Larrea tridentata J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12827 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  SEINET7063456  Lastarriaea coriacea A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  CAS-BOT-BC338928  Lasthenia californica L. R. Abrams 1935-4-7 13667 Riverside Gavilan Hills, 2 mi. S.W. of Perris Comment
  SEINET7063239  Lasthenia californica A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders 0.9 miles west of Radec on Route 79 [old 71]. UTM Zone 11, 506657mE, 3703091mN. (WGS84/NAD83). 491 Comment
  CLARK-A1528-255  Lasthenia chrysostoma C. M. Flanagan 1973-4-26 OO 320 Riverside Morongo Indian Reservation 1158 Comment
  CLARK-A1045-288  Lasthenia coronaria George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along San Jacinto Ridge Road at Oak Spring turnoff; chaparral; ; Lake Fulmor 7.5'Q 914 Comment
  JEPS9698  Lasthenia coronaria W. L. Jepson 1939-4-17 19134 Riverside near Twin Sprs. (n end of Temescal Canyon); Temescal Canyon 274 Comment
  UC30482  Lasthenia coronaria Geo. R. Hall 1901-3-17 1677 Riverside Riverside Comment
  UCR102836  Lasthenia coronaria A. C. Sanders 1997-3-26 20098 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR95776  Lasthenia coronaria C. B. Wolf 1935-4-7 06306 Riverside Gavilan Hills, 2 mi. SW of Perris 427 Comment
  RSA596932  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Lake Elsinore area, S of I 15 along E side of Nichols Rd. Comment
  UCR104636  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-12 2452 Riverside San Jacinto Wildlife Area. 46m S and 23m west of the N end of Pond No. 1. 1.4 km NE of the reserve at Davis rd. 433 Comment
  UCR280722  Lasthenia glabrata subsp. coulteri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 19 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UC893747  Lasthenia gracilis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  UCR214016  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37792 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
  RSA92894  Lasthenia gracilis F. W. Peirson 1922-4-29 4520 Riverside Field S of Lake Elsinore 375 Comment
  UCR193873  Lathyrus vestitus A. C. Sanders, Mitch Provance 2008-7-11 35818 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA180276  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-4-4 5627 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  POM306061  Lathyrus vestitus subsp. laetiflorus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1325 Riverside Santa Rosa Mountains. Comment
  RSA524236  Lathyrus vestitus var. alefeldii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3996 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD237493  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  CAS-BOT-BC379631  Layia platyglossa Joseph Andorfer Ewan 1933-3-5 10781 Riverside Palonia Valley, 7 mi. NE Murrietta Comment
  CAS-BOT-BC379666  Layia platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  UC50334  Layia platyglossa H. M. Hall 1903-4-1 3981 Riverside vicinity Riverside 365 Comment
  UC63240  Layia platyglossa H. M. Hall May 17 1901-Jun 1 1901 1835 Riverside e base San Jacinto Mt.; e base San Jacinto Mt. 914 Comment
  UCSB46694  Layia platyglossa Reed, Susan 1977-03 Riverside On the left side of Cajalco Rd., 1.5 miles west of Lake Matthews 365 Comment
  UCR113550  Lepidium densiflorum Mitch Provance, Juanita Provance, Seychelle Provance 2000-9-3 2222 B Riverside Riverside, Canyon Crest, apartments on the NE ocrner of Chicago and Central. 280 Comment
  JOTR35937  Lepidium fremontii De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6885 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 883 Comment
  CAS-BOT-BC89581  Lepidium lasiocarpum A. C. Sanders; T. B. Salvato; Mitch Provance 2000-4-25 23353 Riverside Coachella Valley. East side of the Coachella Canal between I-10 and Avenue 56 (Airport Road), 3 miles east of Thermal. 15 Comment
  POM183960  Lepidium lasiocarpum P. A. Munz 1932-3-15 12006 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  SD262248  Lepidium lasiocarpum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 15 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR104029  Lepidium lasiocarpum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2714 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UC1971244  Lepidium latifolium Scott D. White 1998-6-28 6801 Riverside CORONA: River Road bridge over the Santa Ana River. USGS 7.5' Corona North quad. Comment
  UCR114817  Lepidium nitidum Mitch Provance, Seychelle Provance 1998-2-21 97 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR241768  Lepidium strictum A. C. Sanders 2013-4-9 40785 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., near intersection of McLaughlin and Dawson Rd., SE of Perris 439 Comment
  POM48496  Lepidium virginicum var. pubescens Mary F. Spencer 1919-6-18 1327 Riverside San Jacinto Mtns. Comment
  CAS-BOT-BC274376  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  POM157941  Leptosiphon lemmonii P. A. Munz 1927-5-21 10829 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  SJSU8700  Leptosiphon lemmonii N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 4-5 mi E of Lake Elsinore 396 Comment
  RSA500979  Leptosiphon parviflorus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3144 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA429763  Lesquerella kingii subsp. latifolia E. C. Yager 1922-04 718 Riverside Chuckwalla Bench Comment
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Jun 1 2011
  UCR139615  Lessingia filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR219982  Lessingia filaginifolia A. C. Sanders, D. L. Sanders 2010-11-28 38703 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  CLARK-A1528-1989  Lessingia glandulifera John C. Roos 1937-8-17 1216 Riverside Comment
  SBBG52759  Lessingia glandulifera var. glandulifera Dr. H. de Forest 1930-8-28 Riverside W side of San Jacinto Valley Comment
  SBBG89134  Leymus condensatus L. F. LaPre 1988-6-3 Riverside Indian Truck Trail exit on W side of Interstate 15 in Temescal Cyn, ca. 0.25 mi from the freeway near the dirt rd Comment
  UC38169  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  RSA123479  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
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Nov 26 2008
  SEINET251666 Image available Leymus triticoides A. C. Sanders, O. F. Clarke 1991-6-10 11138 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brooke between lake Evans (Fairmont Park) & the Santa Ana River ( Riverside West 7.5 Q.:) 238 Comment
  UC577612  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside near Hemet Reservoir; San Jacinto Quadrangle Comment
  UCR250204  Limonium sinuatum A. C. Sanders 2014-4-23 41057 Riverside Peninsular Range, Temescal Valley at intersection of Concordia Ranch Rd. and Temescal Canyon Rd., near I-15 364 Comment
  UCR1542  Linanthus androsaceus R. L. Irwin 1962-5-8 0066 Riverside on N. slope of hill behind the agriculture station at U.C.R 412 Comment
  UCR25549  Linanthus androsaceus John C. Roos 1941-4-19 167 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA543152  Linanthus bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6021 Riverside Vail Lake region, alluvial benches along Kolb Creek, S of Hwy 79 at Jtn w/ Woodchuck Rd. 494 Comment
  RSA652615  Linanthus californicus T. Sargent 1959-5-17 s.n. Riverside Ontario-Corona Road, west of Prado Dam Comment
  UCD118518  Linanthus californicus Edward J. Hall 1951-4-21 26 Riverside 1.7 miles S of Beaumont near Lamb's Canyon Road. Comment
  SEINET7073335  Linanthus dianthiflorus A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR59750  Linanthus dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  RSA705491  Linanthus jonesii J. Mark Porter, Sarah J. De Groot 2005-3-9 14247 Riverside E. of State Route 62, on paved road between Peirson Blvd. and Indian Ave., N of the Metropolitan Water District Reservoir, Morongo Valley; on both sides of the road. 486 Comment
  SEINET7072844  Linanthus lemmonii A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UC133795  Linanthus lemmonii T. S. Brandegee 1902-5-19 Riverside Banning Comment
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Mar 13 2011
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  UCR172244  Linanthus parviflorus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  UCR174436  Linaria canadensis var. texana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32485 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CLARK-A1528-602  Linum lewisii Bruce Freeman 1969-6-14 690614-1 Riverside San Jacinto Mountains Comment
  UCR123612  Linum usitatissimum T. B. Salvato 1999-5-31 108 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  RSA659606  Lithophragma affine J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  UCR62104  Lithophragma affine Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  RSA262105  Lithophragma affine subsp. mixtum E. W. Lathrop 1969-5-8 7015 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA750716  Loeseliastrum matthewsii R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53588 -b Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA0081253  Loeseliastrum matthewsii Gary D. Wallace 1982-5-15 2005 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  RSA122912  Loeseliastrum schottii H. S. Yates 1937-3-23 6398 Riverside 2 miles North of Palm Springs. Comment
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Nov 9 2011
  JOTR33734  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2734 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UCR92238  Logfia filaginoides D. L. Banks, Steve Boyd 1995-5-3 0283 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SEINET1869744 Image available Lolium multiflorum Walter Graves 2002-1 602 -4 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  UCR54311  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR207622  Lolium perenne subsp. multiflorum O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UC21218  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  POM184737  Lomatium mohavense subsp. longilobum P. A. Munz, C. L. Hitchcock 1932-4-9 12228 Riverside open flats, White Tanks, eastern Riverside. Comment
  RSA336410  Lomatium mohavense subsp. longilobum R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  CLARK-A1528-7869  Lomatium mohavense subsp. mohavense John C. Roos 1947-3-15 3330 Riverside San Jacinto Mountains 1219 Comment
  UCR116917  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23954 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR193966  Lonicera subspicata A. C. Sanders 2008-7-25 35920 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR35139  Lonicera subspicata var. johnstonii L. B. Ziegler 1967-7-20 190 Riverside San Jacinto Mtns, Hemet Valley 1433 Comment
  RSA406727  Lotus argophyllus var. argophyllus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA249868  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmore 1677 Comment
  UC62925  Lotus grandiflorus H. M. Hall Jun 1901 2020 Riverside canyon of San Jacinto River San Jacinto Mountains 1219 Comment
  POM13456  Lotus grandiflorus var. mutabilis P. A. Munz 1922-5-19 5403 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR48394  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA644300  Lotus heermannii Scott D. White, Mike Wilcox 1995-7-11 3469 Riverside NE Santa Ana Mts. Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 730 Comment
  POM12852  Lotus oblongifolius P. A. Munz 1922-6-23 5778 Riverside Garner Ranch, Hemet Valley 1372 Comment
  JEPS55729  Lotus oblongifolius var. oblongifolius W. L. Jepson 1903-8-6 2258 a Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  CLARK-A1528-484  Lotus purshianus Pat Halligan 1968-5-2 Riverside Riverside Comment
  JOTR32440  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA38402  Lotus rigidus P. A. Munz 1946-10-20 11581 Riverside Palms to Pines Highway, north base of Santa Rosa Mts. 808 Comment
  SDSU4339  Lotus rigidus H. Wedberg 1962-4-20 918 Riverside About 1 mile southeast of Pinyon Flats on road to Palm Springs, San Jacinto Mountains. Pinyon-Juniper woodland. 1219 Comment
  UC922960  Lotus rigidus Annie M. Alexander and Louise Kellogg 1940-3-21 890 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  RSA406830  Lotus salsuginosus var. brevivexillus Robert Gustafson 1978-3-22 837 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  RSA406832  Lotus salsuginosus var. brevivexillus M. B. Dunkle 1935-3-30 4425 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA525260  Lotus salsuginosus var. salsuginosus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4573 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR25958  Lotus salsuginosus var. salsuginosus John C. Roos, L. Roos 1952-5-19 5694 Riverside One year old burn on hills north of Moreno 518 Comment
  RSA0029328  Lotus scoparius John F. Emmel 1987-4-14 1046 Riverside Little San Bernardino Mts: Lower Covington Flat, from area just east of Covington Spring to 0.5 air mi SE of Covington Spring. 1372 Comment
  RSA717619  Lotus strigosus Scott D. White, Andrea Warniment 2006-3-22 11272 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA777415  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 839 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  SEINET7063560  Lotus strigosus A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA92460  Lotus strigosus J. C. Roos, L. Roos 1954-5-15 6120 Riverside Summit of Reche Canyon 732 Comment
  SEINET10389800  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  RSA543902  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  UC2030128  Ludwigia peploides subsp. peploides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38144 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Lake Fulmor. Comment
  RSA774900  Lupinus Duncan S. Bell, Amber Swanson 2011-2-18 2027 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
  RSA33840  Lupinus albifrons N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  POM126308  Lupinus arizonicus Thos. Craig 1927-4-2 39 Riverside Canyon near Hidden Springs. Comment
  POM12734  Lupinus arizonicus P. A. Munz, D. D. Keck 4901 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. alt 1500ft. 457 Comment
  POM305635  Lupinus arizonicus Henry J. Ramsey 1937-2-26 864 Riverside Indio Comment
  POM350004  Lupinus arizonicus D. A. Young 1969-3-21 458 Riverside Highway 71 approx. 1 miles Southwest of Elsinore. 183 Comment
  RSA4896  Lupinus arizonicus C. B. Wolf 1932-4-27 3012 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD113679  Lupinus arizonicus Darley F. Howe 1949-3-21 1938 Riverside 4 miles east of Mecca. 29 Comment
  UCR104025  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-2-5 2678 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  SBBG89044  Lupinus bicolor P. Pitzer, K. Kirtland 1986-5-6 201 Riverside Butterfield Stage Ranch development, N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  UCR155315  Lupinus bicolor A. C. Sanders, Mike Misenhelter 2005-3-23 29252 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM157897  Lupinus bicolor subsp. microphyllus Philip A. Munz 1927-5-21 10895 Riverside Coahuila Valley. 1372 Comment
  POM350060  Lupinus bicolor subsp. microphyllus E. Crow 1929-2-24 176 Riverside Near Cabazon, NW Colorado Desert Comment
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Mar 13 2011
  POM350062  Lupinus bicolor subsp. microphyllus N. C. Cooper 1944-4-21 1126 Riverside Banning. 701 Comment
  UC1506126  Lupinus concinnus R. T. and H. E. Clausen 1963-4-27 63073 Riverside se Winchester; Transverse Ranges 615 Comment
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Mar 20 2011
  UCR4075  Lupinus concinnus Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 7 mi. from Banning railroad crossing on road to Idyllwild 1067 Comment
  POM2438  Lupinus excubitus var. hallii Philip A. Munz 1918-4-27 2120 Riverside Elsinore Comment
  UCR78450  Lupinus excubitus var. hallii Scott D. White 1993-4-22 1246 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM306279  Lupinus formosus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 1399 Riverside Elsinore Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UC729932  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3985 Riverside along trail from Tahquitz Valley to San Jacinto Peak (near junction of Round Valley Trail); San Jacinto Mts., trail fr Tahquitz Valley to San Jacinto Pe 2956 Comment
  LA205136  Lupinus latifolius var. parishii C. B. Wolf; 1936-6-17 7954 Riverside Santa Ana Mountains, along Ortega Hwy, San Juan Canyon 2.6 mi. E of Orange County Line 457 Comment
  POM24848A  Lupinus microcarpus var. densiflorus Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  UCR172212  Lupinus microcarpus var. densiflorus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  OBI48506  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
  CLARK-A1528-502  Lupinus polycarpus Charlotte Stocks 1962-6-25 Riverside Whitewater Canyon Comment
  UCR87665  Lupinus sparsiflorus A. C. Sanders 1994-5-29 14562 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA314646  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55442 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA336412  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52056 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA528095  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White 1991-4-10 91 -62 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  UCR132857  Lupinus succulentus Kent Beaman 1983-4-24 18 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  POM13043  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4849 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 427 Comment
  RSA422105  Lycium andersonii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA775400  Lycium andersonii Duncan S. Bell 2011-4-10 2250 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UCR89576  Lycium andersonii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  SEINET10847720 Image available Lycium andersonii var. deserticola Samuel B. Parish 1896-4-4 Parish 4132 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 152 Comment
  RSA80345  Lycium brevipes F. W. Peirson 1926-1-31 6493 Riverside Dos Palmas, Colorado Desert. Comment
  JEPS12420  Lycium cooperi W. L. Jepson 1928-4-25 12612 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains 731 Comment
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Oct 9 2010
  RSA370865  Lythrum californicum Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61277 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR280837  Lythrum hyssopifolia T. B. Salvato, Gregg Miller 2005-6-3 1369 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR93099  Machaeranthera cognata F. M. Reed 1931-4-11 6919 Riverside Western Colorado Desert, 'Red Canyon' north of Mecca [= Painted Canyon?] 152 Comment
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Nov 24 2011
  GMDRC6580  Madia elegans J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  CAS-BOT-BC334712  Madia gracilis E. W. Lathrop 1966-5-15 6306 Riverside 3 miles SE of Murrieta on the De Luz Road Comment
  UC63218  Madia gracilis H. M. Hall 1901-6-25 Riverside Fuller's Mills <M?> San Jacinto Mountains., Fuller's Mills <M?> 1524 Comment
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Jan 3 2014
  POM232417B  Mahonia nevinii Fulmor 1932-9-8 s.n. Riverside On left side of road from Temecula to Oak Grove, San Diego Co., Calif. (about half a mile east of Dripping Springs). Comment
  RSA495430  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2956 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SD152812  Malacothamnus densiflorus Steve Boyd 1992-4-14 6831 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR35115  Malacothamnus fasciculatus L. B. Ziegler 1964-9-1 018 Riverside San Jacinto Mtns., Garner (Hemet) Valley, divide between south fork of San Jacinto River and Palm Canyon, beside Hwy 74. 1494 Comment
  RSA68316  Malacothrix clevelandii G. R. Campbell 1951-5-30 16134 Riverside 9 miles west of Anza [?] 1067 Comment
  RSA33851  Malacothrix glabrata N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  RSA475301  Malacothrix glabrata Steve Boyd, Sara Meury, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2109 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SDSU13928  Malosma laurina Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2153 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  SD260974  Malva pseudolavatera Mitch Provance 2013-3-3 313 01 Riverside San Bernardino Valley: Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCR207305  Malvella leprosa 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
  HSC86864  Marah macrocarpa B. Pitzer, E. Misquez 1988-2-28 617 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  SEINET272157 Image available Marah macrocarpa A. C. Sanders 1997-4-1 19755 Riverside Box Springs Mountains: E side of Pigeon Pass Valley about 0.5 mile Nw of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 580 Comment
  UCD107542  Marah macrocarpa Raymond A. Evans 1999-3-10 s.n. Riverside North of Palm Springs, canyon west of White Water Canyon. Comment
  RSA284804  Marina orcuttii J. Zabriskie 1976-6-1 848 Riverside Santa Rosa Mountains, along the Cactus Springs Trail, 0.25 miles east of Horsethief Creek 1159 Comment
  POM147636  Marina parryi F. M. Reed 1927-3-20 5427 Riverside Salt Creek Wash. Comment
  UCR277801  Marina parryi A. C. Sanders, Jim Malusa 2017-1-14 42663 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  RSA556517  Marrubium vulgare Julie Greene 1993-4-10 1135 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  RSA660642  Marrubium vulgare Lydia Paneri 1982-4-17 6 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  CAS-BOT-BC71091  Marsilea vestita C. G. Pringle August 7 s.n. Riverside Riverside Comment
  SD227668  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanada Ave. and the Tres Cerritos Hills 459 Comment
  SBBG100456  Matricaria discoidea W. L. Halvorson 1977-3-13 77 -179 Riverside near Temecula Comment
  UCR97697  Matricaria matricarioides A. C. Sanders, G. Helmkamp 1997-3-15 19971 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UCR282163  Matricaria occidentalis R. E. Riefner Jr. 2017-5-18 17- 257 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  SEINET7882514 Image available Matricaria suaveolens Jean Coulson 1959-1 s.n. Riverside Riverside; Canyon Crest Blvd., 100 yds S. of Liden 0 Comment
  RSA543900  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  SDSU17679  Meconella denticulata Jerry Jenkins 2001-4-3 2001 -032 Riverside Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. Comment
  UCR78096  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  RSA741110  Medicago minima Scott D. White, Justin M. Wood 2008-6-17 12160 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  POM348041  Medicago polymorpha Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  UCR24057  Melica frutescens John C. Roos, Lucille Roos 1949-4-23 4283 Riverside Sonoran (Colorado) Desert, Lost Palms Wash, Eagle Mountains 823 Comment
  CLARK-A1528-5188  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Box Springs Mountains 609 Comment
  UCR117083  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24212 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
  UCR194826  Melica imperfecta Scott D. White 2006-4-27 11291 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  RSA619543  Melilotus indicus D. L. Banks 1997-5-5 1992 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA0104078  Mentzelia involucrata Duncan S. Bell, Evan Meyer 2014-10-28 7670 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  RSA656535  Mentzelia involucrata A. C. Sanders 2000-4-25 23358 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  UCR103552  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 1998-1-17 2535 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  UCR50920  Mentzelia involucrata A. C. Sanders 1988-5-11 7796 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  SD114170  Mentzelia laevicaulis Darley F. Howe 1947-6-20 1650 Riverside Near Beaumont. Comment
  JEPS41203  Mentzelia obscura E. E. Schellenger April 1920 Riverside near Coachella; Colorado Desert Comment
  RSA674685  Mentzelia obscura Scott D. White 2001-4-27 8423 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UC19574  Mentzelia veatchiana H. M. Hall June 1901 2145 Riverside Eastern base, along the borders of the Colorado Desert San Jacinto Mountains Comment
  UCD149865  Mentzelia veatchiana Harry George 1968-2-21 s.n. Riverside Joshua Tree National Monument. Comment
  CAS-BOT-BC332725  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 365 Comment
  RSA180424  Micropus californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta. Comment
  RSA543843  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR211732  Microseris douglasii subsp. douglasii Fred M. Roberts, R. E. Riefner Jr., D. E. Bramlet 2005-4-22 6174 Riverside Perris Basin, Winchester Valley, corner of Patterson and Patton Roads 448 Comment
  UCR116505A  Microseris douglasii subsp. tenella A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 A Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR120809  Microseris heterocarpa Ian G. Gillespie 2000-4-19 6 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  RSA528103  Microseris lindleyi Steve Myers 1991-4-15 91 -13 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UCR21294  Microseris lindleyi A. C. Sanders, K. Berg 1980-5-1 1350 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR97746  Microseris lindleyi B. G. Pitzer 1997-4-1 3058 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA0018775  Mimetanthe pilosa Carl B. Wolf 1932-8-5 3930 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  HSC90669  Mimulus aurantiacus var. pubescens D. M. Thompson 1992-5-15 1063 Riverside Near Aguanga. 1.0 mi. NW of San Diego Co. line along Hwy. 79 680 Comment
  JEPS87308  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1070 Riverside 3.0 mi s of foot Banning Grade (Hwy 243 at 90 deg. turn allowing access to I-10 interchange); San Jacinto Mts. 910 Comment
  UC943817  Mimulus aurantiacus var. pubescens H. E. McMinn 1949-6-9 5590 Riverside 1 mi n San Diego Co. line (near Aguanga on Highway 71) Comment
  UCR262243  Mimulus aurantiacus var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3723 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
  UCR151972  Mimulus aurantiacus var. puniceus Steve Boyd, Aydee Virgen 2004-4-13 10850 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR133024  Mimulus bigelovii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  UCR172751  Mimulus brevipes Abby Sirulnik, Ian G. Gillespie 2000-5-14 46 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR268272  Mimulus cardinalis Jim Andre 2012-6-15 30512 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  JEPS8218  Mimulus fremontii var. fremontii W. L. Jepson and H. M. Hall 1901-5-19 1293 Riverside San Jacinto Canyon 640 Comment
  UCR20880  Mimulus fremontii var. fremontii A. C. Sanders 1978-7-3 615 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  JEPS5559  Mimulus guttatus Carl V. Meyer 1928-7-31 598 Riverside Tahquitz Valley San Jacinto Mountains 2286 Comment
  UCR195123  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-8-1 35958 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  UC76077  Mimulus pilosus Geo. B. Grant Aug. 1901 789 Riverside Strawberry Valley San Jacinto Mts. Comment
  CSUSB1907  Mimulus puniceus R. Pirot 1975-4-20 Riverside Juniper Flats Road and Highway 74 at Homeland. 548 Comment
  UCR41540  Mirabilis bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6056 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR41551  Mirabilis bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6105 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA600122  Mirabilis bigelovii var. retrorsa Louis C. Wheeler 1959-12-27 7639 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  HSC34753  Mirabilis laevis R. E. Cooksey Mar 1974 204 Riverside San Bernardino Mtns. White Water canyon 305 Comment
  RSA464251  Mirabilis laevis var. crassifolia Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs. Colorado desert. 400 Comment
  UC1136596  Mirabilis laevis var. crassifolia R. St. John 1931-3-17 197 Riverside hill N of Corona 310 Comment
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Nov 27 2011
  POM121880  Mirabilis laevis var. retrorsa Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  UC57065  Mirabilis laevis var. retrorsa M. F. Gilman 1902-1 34 Riverside Comment
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Sep 29 2011
  UC912283  Mirabilis laevis var. retrorsa Herbert L. Mason 1928-3-10 4176 Riverside Snow Creek, Whitewater River Valley, Colorado Desert Comment
  SBBG1883  Mirabilis laevis var. villosa H. and M. Dearing 1942-3-10 4825 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SBBG28427  Mirabilis laevis var. villosa D. Myrick 1964-4-30 832 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 1066 Comment
  SD216505  Mirabilis multiflora Jay B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UCR135710  Mirabilis multiflora Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9021 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  POM12912  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek, Hemet Valley Comment
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Mar 24 2011
  SEINET11942042  Mirabilis tenuiloba Unknown 1936-1 12846 Riverside Colorado Desert, N of Palm Springs Comment
  RSA727864  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1359 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC673536  Mohavea confertiflora H. L. Mason 1928-3-10 4246 Riverside Road from Indio to Palm Springs Comment
  UCR226673  Mohavea confertiflora Jim Andre 2011-2-9 15922 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
  LA63043  Monardella australis subsp. australis Elizabeth McClintock; 1941-7-12 108 Riverside San Jacinto Mountains, Trail to Deer Springs Comment
  UCR57138  Monardella hypoleuca subsp. intermedia Ed LaRue 1989-6-23 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, parts of McVicker, Leach, and Dickey Canyons, just E and SE of Lake Elsinore 854 Comment
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Aug 17 2012
  RSA180417  Monardella lanceolata var. lanceolata E. W. Lathrop 1965-5-30 5771 -d Riverside 6 miles W of Murrieta. Comment
  CLARK-A1528-1335  Monardella linoides John C. Roos 1946-9-14 3009 Riverside San Jacinto Mountains 1097 Comment
  CAS-BOT-BC215451  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Garner Valley, E of Hwy 74, S of Fobes Ranch Road, N of Morris Ranch Road, San Jacinto Mtns., Peninsular Ranges 1402 Comment
  UC1931123  Monardella linoides subsp. linoides Scott D. White, Justin Wood 2008-7-10 12457 Riverside San Jacinto mountains: Fobes spring (Palm View Peak) Comment
  UC1618123  Monardella macrantha Donald G. Nelson 1936-5-22 396 Riverside Pines to Palms Hwy. near base of Santa Rosa Mts. Comment
  CAS-BOT-BC215498  Monardella nana Elizabeth McClintock 1941-7-22 130 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  UC1499909  Monardella nana Elizabeth McClintock 1941-6-8 67 Riverside 1.2 miles east of Ribbonwood. Pines to Palms Highway Comment
  RSA750409  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 64 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  UCR135712  Monardella nana subsp. arida Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9011 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  IRVC2060  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-8 SJ 304 Riverside Marion Mountain Trail. Peninsular Ranges, San Jacinto Mountains 2424 Comment
  RSA750305  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 120 Riverside San Jacinto Mts. Devil s Slide trail. Comment
  RSA750309  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 125 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UC1499800  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 104 Riverside Deer Springs and Suicide Rock trail, one switchback below the forks San Jacinto Mts. Comment
  UC1499864  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 19 Riverside Marion Camp Banning-Idyllwild road Comment
  CAS-BOT-BC248286  Monardella robisonii A. C. Sanders; Mark Elvin; Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns: Split Rock, Joshua Tree National Park, north of Ruby VABM 4351 on west side of road 1296 Comment
  JOTR30272  Monardella robisonii Leary, Pat, Cari Leary 1987-5-9 3819 Riverside Joshua Tree National Park. 1.8 km south of Keys Ranch, T2S R8E sec5 [UTMs estimated, January 2010] Comment
  POM363576  Monoptilon bellioides M. B. Dunkle 1935-4-17 4555 Riverside W. of Wiley Well. Colorado Desert. 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
  RSA776335  Monoptilon bellioides Duncan S. Bell, Amanda Turek 2010-4-10 820 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCD80947  Monoptilon bellioides Chuck Hughes 2009-3-25 68 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 265 Comment
  SEINET10809441  Monoptilon bellioides A. K. Evans 1976-4-13 Evans 5209 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  JEPS22521  Muhlenbergia microsperma Rimo Bacigalupi with Paul Hutchison 1958-2-19 6189 Riverside 9.4 mi. n. Blythe (in wash at w. base of Big Maria Mts.); Big Maria Mts. 167 Comment
  RSA0104439  Muhlenbergia microsperma Duncan S. Bell, Evan Meyer 2014-10-28 7668 B Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  SEINET10599994  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-3 Boyd 4101 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of "Big" Oak Mtn., just S of the E summit. T8S R1W S3 N1/2. Clay soil on Gabbro. Coastal sage scrub, chaparral on slopes, grassy flats. 610 Comment
  RSA337843  Muhlenbergia porteri R. F. Thorne 1979-8-22 53575 Riverside Joshua Tree National Monument: Hidden Valley; Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  SEINET182523 Image available Muhlenbergia rigens I. W. Clokey, E. G. Anderson 1935-8-21 6524 Riverside Fuller Creek San Jacinto Mts. 1650 Comment
  UCR154459  Muilla maritima Jason L. Hlebakos 2005-5-30 809 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CAS-BOT-BC83344  Myosurus minimus P. A. Munz 1922-4-29 5061 Riverside 3 miles south of Elsinore. 381 Comment
  RSA480031  Nama demissa Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2154 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SEINET9122027  Nama demissa Katherine Muller 1952-1 562 Riverside At S entrance to Joshua Tree National Monument. Comment
  JEPS1389  Nama demissa var. demissa W. L. Jepson 1928-4-23 12548 Riverside wash 2 1/2 mi below Cottonwood Spr. (Eagle Mts., Colorado Desert); Colorado Desert, Eagle Mts., below Cottonwood Spr. 487 Comment
  JOTR32160  Nama demissa var. demissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2313 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA796498  Nama hispida var. spathulata Jim Andre 2012-3-19 21340 Riverside Chuckwalla Valley. Along unnamed dirt road 0.3 mi N of Hwy 177, 5.7 mi NE of Jct with I-10 freeway. 157 Comment
  POM10294  Nasturtium officinale H. M. Hall 1897-6-6 300 Riverside Riverside. Comment
  RSA180317  Nasturtium officinale E. W. Lathrop 1964-5-24 5398 Riverside 8 miles west of Murrieta Comment
  RSA593989  Nasturtium officinale D. L. Banks, Elizabeth Hedge Banks 1996-5-2 950 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
  RSA656539  Navarretia atractyloides A. C. Sanders 2000-5-25 23425 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  SD138833  Navarretia fossalis Craig Reiser 1993-4-25 Riverside South side of Highway 79, perhaps I(c) mile east of Los Caballos Road. (IPB 3/06) Comment
  CAS-BOT-BC230295  Navarretia fossalis R. F. Hoover 1968-6-6 11152 Riverside 1 mile E of Perris Comment
  RSA674533  Navarretia hamata Scott D. White, Sandy Leatherman 2000-5-31 7991 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UC1483308  Navarretia prostrata Robert F. Thorne 1974-5-23 44667 Riverside top of Mesa de Colorado Santa Rosa Plateau, Rancho California, Mesa de Colorado 624 Comment
  RSA0126318  Nemacladus longiflorus var. longiflorus G. R. Campbell 1951-5-30 16133 Riverside 9 miles west of Anza. 1067 Comment
  UCR85602  Nemacladus orientalis Theo Glenn 1991-5-15 91- 40 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  POM11738  Nemacladus ramosissimus P. A. Munz, I. M. Johnston 1922-5-18 5320 Riverside 3 miles south of Murrieta. Comment
  UCR104634  Nemacladus ramosissimus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1794 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA79151  Nemacladus rubescens P. A. Munz, Percy C. Everett 1952-5-2 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  RSA777419  Nemacladus tenuis var. aliformis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 780 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA591746B  Nemacladus tenuis var. tenuis J. C. Roos 1966-3-26 s.n. Riverside 2 mi S.E. of Desert Center. Comment
  RSA421337  Nemophila menziesii Christopher Davidson 1973-4-1 1826 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA496740  Nemophila menziesii Steve Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  UCR230212  Nemophila menziesii A. C. Sanders 2011-4-6 38983 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
  UCR91423  Nemophila menziesii Scott D. White 1995-3-30 2660 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
  UCR101558  Nicotiana acuminata var. multiflora A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22232 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  SBBG70571  Nicotiana attenuata M. N. Ackley 1928-3-31 972 Riverside Hidden Springs 365 Comment
  UC26145  Nicotiana attenuata H. M. Hall Jun 1901 2150 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  SDSU13601  Nicotiana glauca W. Miller 1972-8-8 Riverside Comment
  UC76177  Nicotiana glauca Miss M. A. King 1893-1 Riverside Menifee Comment
  JEPS12227  Nicotiana obtusifolia W. L. Jepson 1901-5-22 1409 Riverside near Mt. San Jacinto (Palm Canyon); Palm Canyon Comment
  RSA49182  Nicotiana obtusifolia Philip A. Munz 1949-4-13 13059 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  RSA0018762  Nicotiana obtusifolia Robert F. Thorne 1966-10-15 41787 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA0060152  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. 579 Comment
  SEINET7063443  Nicotiana quadrivalvis 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
  RSA102325  Nolina parryi S. B. Parish, W. F. Parish 1882-06 910 Riverside Coahuilla, San Jacinto Mountains. Comment
  UCSB38730  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 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
  JEPS43999  Oenothera californica Marjorie Clary 1929-10-18 2 a Riverside w slope Santa Rosa Mt. (trail to summit) 1981 Comment
  SBBG61310  Oenothera deltoides M. N. Ackley 1928-4-1 763 Riverside Indio Comment
  POM14009  Oenothera primiveris subsp. bufonis P. A. Munz, D. D. Keck 1922-4-9 4748 Riverside Shavers Well, near Mecca. 76 Comment
  RSA734943  Oenothera scapoidea J. R. Bruff 1927-3-12 s.n. Riverside Whitewater. Comment
  RSA727866  Oligomeris linifolia Naomi Fraga, Lisa Rojas 2005-2-10 1356 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SFV17326  Olneya tesota J. N. Hogue, J. D. Dilley 1998-4-23 108 .9 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  CAS-BOT-BC348036  Oncosiphon piluliferum A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  RSA0039454  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-1 40725 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  RSA791926  Oncosiphon piluliferum R. E. Riefner Jr. 2009-2-25 9 -20 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy. 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  UCD134654  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga Region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mile south of Oleander Ave., at south end of Patterson Ave. 457 Comment
  UCR26900  Oncosiphon piluliferum K. M. Kummer 1981-5-19 s.n. Riverside Box Springs Reserve, Box Springs Mtns. 732 Comment
  SEINET10447233  Opuntia basilaris Billy Joe Cox 1976-1-7 Cox 4232 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  POM314609  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  RSA750608  Opuntia chlorotica K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UCD170242  Opuntia chlorotica K. M. Meyer; A. Townesmith 2007-3-19 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  RSA0002173  Opuntia erinacea var. paucispina M. B. Dunkle 1934-11-3 4236 Riverside Ribbonwood, Santa Rosa Mt. Comment
  SEINET9037739 Image available Opuntia phaeacantha M. A. Baker 2015-1 18327 Riverside San Gorgonio Pass, 8km east of Banning, 30km WNW of Palm Springs, 4km WNW of Cabazon 646 Comment
  RSA592690  Opuntia polyacantha var. erinacea Scott D. White, Duayne Haselfeld 1996-7-2 4274 -A Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UC1618001  Orobanche bulbosa Donald G. Nelson 1936-5-21 369 Riverside e of Lake Hemet (just n of meadow in valley just e of Hurkey Creek Camp area, n of Mount Thomas, San Jacinto Mountains); San Jacinto Mountains Comment
  RSA0104790  Orobanche bulbosa Steve Boyd, Ken Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain. 609 Comment
  UC1979671  Osmorhiza brachypoda Darin L. Banks, Steve Boyd 1995-3-30 113 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
  UCR4126  Oxalis pes-caprae Ronald M. Cope 1965-3-28 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, small canyon on west side of Canyon Crest Drive, about 2 mi south of Fire Prevention Lab 274 Comment
  SD181383  Oxytheca caryophylloides Scott D. White 2000-8-5 8119 Riverside San Jacinto Mts: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, Jan Jacinto River) 1402 Comment
  UCR27150  Oxytheca emarginata T. P. Krantz 1982-5-19 s.n. Riverside San Jacinto Mtns., Garner Valley Ranch 1372 Comment
  RSA0106480  Oxytheca trilobata Duncan S. Bell, Valentin Arvizu 2010-5-24 1103 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
  RSA279605  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4571 Riverside San Jacinto Mountains, 0.3 mile south of California Hwy 74 on the road to Mile High Trap Club-1 mile road junction west of Mountain Center. 1311 Comment
  SEINET1908693  Oxytheca trilobata A. C. Sanders, Tim Thomas & T. M. Salvato 2008-1 35622 Riverside Peninsular Range; San Jacinto Mtns: May Valley c. 1.0 mi WSW of Fleming Ranch 1585 Comment
  UC597638  Oxytheca trilobata Philip A. Munz 1937-5-31 15117 Riverside below Anza Tablet (at head of Coyote Canyon, sw Riverside County); Coyote Canyon 1005 Comment
  RSA581747  Paeonia californica M. Wall 1995-4-14 104 Riverside Temecula Valley, along Hwy 79, 5.7 miles east of Interstate 15, southeast of Temecula, west of Vail Lake. Comment
  RSA650116  Paeonia californica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  SD1660  Paeonia californica Edmund C. Jaeger 1925-2-1 Riverside Joseph CaA'on near Corona. 975 Comment
  UCR162278  Paeonia californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  RSA775094  Palafoxia arida Duncan S. Bell, Amber Swanson 2011-2-18 2036 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
  UCR109476  Palafoxia arida A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19655 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  POM363745  Palafoxia arida var. arida M. B. Dunkle 1932-2-25 2922 Riverside 6 miles NW of Indio. Comment
  RSA134877  Palafoxia arida var. arida L. S. Rose 1959-1-8 59002 Riverside La Tuna Canyon, along La Tuna Canyon Road.La Quinta. 15 Comment
  NY43273  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  UCR24014  Panicum alatum var. minus John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  RSA370869  Panicum capillare R. F. Thorne, S. Boyd, E. Lathrop 1985-7-18 61272 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  CAS-BOT-BC422794  Papaver californicum A. C. Sanders; P. MacKay; T. Thomas; O. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  CAS-BOT-BC413394  Parietaria hespera var. hespera Milo S. Baker 1928-4-3 2779 a Riverside Palm Canon [Canyon] Comment
  SBBG120316  Parietaria hespera var. hespera W. W. Zabriskie 1973-2-21 124 Riverside Pipistrelle Cyn, Deep Cyn drainage 426 Comment
  RSA777762  Parkinsonia florida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1083 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UCR196357  Parkinsonia florida Naomi Fraga, Lisa Rojas 2005-2-10 1383 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA0073235  Parosela schottii Bonnie C. Templeton, I. W. Clokey 1930-4-9 1000 Riverside North of Palm Springs, Colorado Desert. 304 Comment
  UCR33888  Parthenium incanum A. C. Sanders 1982-9-24 2965 Riverside City of Riverside, Univ. of Calif. experimental fields Comment
  UCR207309  Passiflora caerulea Darren T. Hasegawa 2007-4-21 s.n. Riverside Peninsular Range, Riverside, UCR campus, along fence of botanic garden subtropical fruit orchard 351 Comment
  UCD134923  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta. 15 Comment
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Aug 6 2016
  UCR214130  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37728 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA716825  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 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
  RSA0028398  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4978 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  POM368788  Pectocarya penicillata N. C. Cooper 1946-4-5 2049 Riverside Los Alamos Canyon, Elsinore 762 Comment
  RSA585782  Pectocarya penicillata D. L. Banks, S. D. Boyd 1995-5-9 414 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  RSA593880  Pectocarya penicillata Steve Boyd, Dave Bramlet 1996-4-19 8620 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
  SD137835  Pectocarya penicillata Darin L. Banks, Steve Boyd 1995-5-9 414 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, west of the Dripping Springs Alcove Area. 740 Comment
  SEINET7073386  Pectocarya penicillata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR107407  Pectocarya penicillata B. G. Pitzer 1997-3-23 3001 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR228914  Pectocarya penicillata A. C. Sanders 2011-4-7 39029 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR98085  Pectocarya peninsularis A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19679 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  RSA517819  Pectocarya platycarpa Steve Boyd, Orlando Mistretta 1986-3-13 1436 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
  RSA779011  Pectocarya platycarpa Duncan S. Bell 2010-4-1 644 B Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UCD120138  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  POM368815  Pectocarya recurvata N. C. Cooper 1949-4-8 3287 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA775402  Pectocarya recurvata Duncan S. Bell 2011-4-10 2248 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SD70779  Pectocarya recurvata D. B. Dunn, Shogo, Schroeder, Bruskin and Folsom 1948-3-13 3723 Riverside Indio Hills, Colorado Desert, near Pushawalla. Comment
  RSA27347  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA49169  Pectocarya setosa P. A. Munz 1949-4-13 13066 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR24459  Pedicularis densiflora John C. Roos 1966-4-23 s.n. Riverside Peninsular Range; Santa Ana Mtns, south of Corona Comment
  POM12747  Pedicularis semibarbata Philip A. Munz 1922-7-6 6020 Riverside Between Hidden Lake and Round Valley. 2561 Comment
  CAS-BOT-BC69221  Pellaea andromedifolia Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  SBBG35234  Pellaea andromedifolia T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  RSA698463  Pellaea mucronata J. Vlahos s.n. Riverside Dry rock hillside near Elsinore. Comment
  RSA125967  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-11-4 22751 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  RSA33304  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-24 1032 Riverside Banning; 701 Comment
  RSA543733  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6068 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga 600 Comment
  SEINET5796827 Image available Penstemon antirrhinoides I. W. Clokey, E. G. Anderson 1936-1 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  UCR130706  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-6-27 4070 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR16007  Penstemon centranthifolius David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, 8 mi SE of Banning, at Hurley Flats Rd 1341 Comment
  CAS-BOT-BC265280  Penstemon clevelandii Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca 0.05 mile S on Santa Rosa Mountain Road from Highway 74 1402 Comment
  CAS-BOT-BC265283  Penstemon clevelandii subsp. connatus Ivan Johnston 1917-4-4 1043 Riverside Andreas Canyon, Colorado Desert 274 Comment
  NY583957  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25287 Riverside Route 74, above Ribbonwood, east of San Jacinto Range 1402.1 Comment
  UC1238933  Penstemon clevelandii var. connatus Freed W. Hoffman 1950-4-25 3487 Riverside El Toro Mountain 1.2 mi from Pines-to-Palms Highway; El Toro Mountain 1.2 mi fr Pines-to-Palms Highway Comment
  SJSU13482  Penstemon labrosus C. W. Sharsmith 1945-8-28 5454 Riverside Indian Cr Canyon, Mt San Jacinto 1828 Comment
  CAS-BOT-BC245644  Penstemon pseudospectabilis Edmund C. Jaeger 1940-11-12 s.n. Riverside McKinley Spring, north side of Chuckawalla Mts. 853 Comment
  NY640880  Penstemon pseudospectabilis subsp. pseudospectabilis P. A. Munz 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457.2 Comment
  POM50429  Penstemon spectabilis J. D. Abrams 1900-5-20 s.n. Riverside Elsinore. Comment
  UCD124326  Penstemon spectabilis R. N. Raynor 1938-6-20 s.n. Riverside southwest side of San Jancinto Mountain. Comment
  POM361605  Pentachaeta aurea subsp. aurea M. B. Dunkle 1933-7-20 3714 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA0070718  Pentagramma triangularis subsp. triangularis Steve Boyd, Aydee Virgen 2004-4-13 10893 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  HSC47345  Peritoma arborea R. W. Spjut, Judy Adams 1978-11-22 5236 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  RSA0034536  Peritoma arborea D. Dunlop 1977-3-21 204 Riverside Desert Hot Springs. Comment
  RSA471861  Perityle emoryi B. C. Templeton, I. W. Clokey 1930-4-9 1082 Riverside North of Palm Springs. Colorado desert 400 Comment
  UCR280614  Perityle emoryi Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-4 417- 01 Riverside Gavilan Hills, Ridge west of dirt road portion of Lake St., 0.8 miles N of Hwy. 15 at Alberhill. 500 Comment
  UC604863  Petalonyx thurberi subsp. thurberi Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9568 Riverside 2 mi. up Painted Canyon; Mecca Hills, Painted Canyon Comment
  RSA423799  Petunia parviflora Crawford, J. M. Johnston 1917-6-9 1230 Riverside Santa Ana River near Corona. Comment
  CAS-BOT-BC326732  Peucephyllum schottii John H. Thomas 1957-3-30 6537 Riverside 0.8 miles east of Cactus City about 13 miles east of Coachella near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  JOTR29450  Peucephyllum schottii La Doux, Tasha, Mike Bell 2006-3-8 1348 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  JOTR32427  Peucephyllum schottii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2216 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  PASA1350  Peucephyllum schottii Frank W. Peirson 1930-5-29 Riverside Painted Canyon Comment
  UC69292  Peucephyllum schottii L. A. Greata April 1905 Riverside Coachella Comment
  JOTR32956  Phacelia affinis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2706 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  POM211621  Phacelia affinis A. M. Alexander, Louise Kellogg 1941-5-5 2123 Riverside Los Horse Valley. 1280 Comment
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Feb 4 2013
  RSA525262  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4575 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR120601  Phacelia campanularia Steven R. Hill 2001-5-3 33660 A Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA160528  Phacelia campanularia subsp. vasiformis J. D. Olmsted 1958-3-29 83 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring Roads, Joshua Tree. 991 Comment
  UC131726  Phacelia campanularia subsp. vasiformis S. B. and W. F. Parish 1882-4-1 Riverside Morongo Comment
  UC881005  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  SEINET7073336  Phacelia cicutaria A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  CHSC110681  Phacelia cicutaria var. hispida Dean Wm. Taylor 2003-5-7 18528 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  UCR162839  Phacelia cicutaria var. hispida S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR250120  Phacelia cicutaria var. hispida A. C. Sanders 2014-4-23 41054 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  SFV5027  Phacelia crenulata F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  RSA0118003  Phacelia crenulata var. ambigua Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7625 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR102953  Phacelia crenulata var. ambigua George K. Helmkamp 1998-4-4 3152 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR167265  Phacelia crenulata var. ambigua 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
  UCR97479  Phacelia cryptantha John Wear, Nathan Moorhatch 1997-3-18 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  CHSC109015  Phacelia distans Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4408 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.94127, W116.64118 and N33.94722, W116.64305. 488 Comment
  CLARK-A1528-559  Phacelia distans C. M. Flanagan 1973-4-26 OO 307 Riverside Morongo Indian Reservation 914 Comment
  RSA428218  Phacelia distans Mark Morris 1929-3-17 14901 Riverside Palm Canyon. Comment
  RSA428311A  Phacelia distans Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  RSA618419  Phacelia distans D. L. Banks 1997-5-5 1957 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
  UCR89711  Phacelia ivesiana J. M. Stewart 1991-4-7 770 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  RSA182344  Phacelia minor J. D. Olmsted 1962-5-2 3439 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA614537  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR176913  Phacelia minor Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR231807  Phacelia minor Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 03 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR274288  Phacelia minor T. B. Salvato, Melissa Clemons 2005-6-6 1414 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCSB5413  Phacelia minor Koran, Jr., John 1958-3-28 Riverside 13 miles North of Palm Springs on Highway 111 Comment
  RSA428114  Phacelia mutabilis Anstruther Davidson 1896-7-7 1921 Riverside Mt. San Jacinto. 2744 Comment
  RSA699573  Phacelia parryi Kenneth Beard 1934-04 s.n. Riverside Hills along Ortega Highway, south of San Juan Hot Springs Comment
Read comments
Oct 31 2011
  POM14419  Phalaris lemmonii P. A. Munz, I. M. Johnston 1922-5-18 5374 Riverside Menifee Valley Comment
  UCR94495  Phalaris minor Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  CAS-BOT-BC128867  Philadelphus microphyllus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon, up from end of trail, w. slope San Jacinto Mts. 2606 Comment
  SD119889  Phlox austromontana Louis B. Ziegler 1967-5-30 136 Riverside Hemet Valley, San Jacinto Mountains 1372 Comment
  RSA559430  Pholistoma auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  JOTR28819  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1087 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  CAS-BOT-BC135102  Phoradendron californicum Roxana S. Ferris 1918-7-14 964 Riverside by stream at Palm Springs Comment
  LA209833  Phoradendron californicum F. R. Fosberg; 1932-3-13 8089 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA420767  Phoradendron californicum M. B. Dunkle 1934-3-18 3857 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA466267  Phoradendron californicum D. Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd., Morongo Indian Reservation. 610 Comment
  RSA708427  Phoradendron californicum Scott D. White 2005-3-29 10830 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UCR96817  Phoradendron californicum Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  RSA479916  Phoradendron densum Steve D. Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  SD136735  Phoradendron leucarpum subsp. tomentosum Steve Boyd 1992-5-5 7212 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  POM161532  Phoradendron libocedri Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  POM13405  Phoradendron villosum E. C. Jaeger 1922-6-15 s.n. Riverside Palms to Pines Trail, on Quercus. 1982 Comment
  UC66695  Phoradendron villosum N. K. Berg 1904-3-4 Riverside San Jacinto <R. C.> Comment
  UCR99862  Phoradendron villosum Scott D. White 1996-12-26 4646 Riverside San Jacinto Mtns, Bautista Canyon: along Bautista Canyon Rd, c. 2 or 3 air mi. NW of junction with Tripp Flats Rd. 1037 Comment
  JOTR29130  Physalis crassifolia La Doux, Tasha 2005-9-8 1300 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  SEINET3162388  Physalis crassifolia L. S. Rose 1935-12-27 35709 Riverside 8 mi E of Garnet 457 Comment
  UC884718  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs Comment
  RSA543873  Pilularia americana Steve Boyd, Dave Bramlet 1991-5-13 6226 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  CAS-BOT-BC78557  Pinus coulteri P. C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (N.) main divide motorway 1219 Comment
  SEINET8059928 Image available Pinus coulteri G. Yatskievych, K. McCrary 1984-7-29 84 -122 Riverside State Route 243, 0.5 mile S of Baby Tree Spring; T4S R2E S17 1585 Comment
  SD229026  Pinus jeffreyi Dick Schwenkmeyer 2012-8-28 815 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA651153  Pinus monophylla Peter Gail 1961-5-13 sn Riverside Pinyon Creek State Park. on Palms to Pines Hwy. Comment
  HSC79815  Pinus quadrifolia D. H. Wilken 1965-3-1 61 Riverside Paradise Valley S end of Thomas Mtn., San Jacinto Mtns. 1433 Comment
  JEPS48199  Pinus quadrifolia W. L. Jepson and H. M. Hall 1901-5-26 1459 Riverside between Vandeventers and Coyote Canon Comment
  SEINET4457293  Pinus quadrifolia H. H. Smith 1912-1 5478 Riverside Comment
  RSA593882  Plagiobothrys canescens Steve Boyd, Dave Bramlet 1996-4-19 8618 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
  RSA715329  Plagiobothrys canescens John Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murietta and unincorporated French Valley. 415 Comment
  RSA736297  Plagiobothrys canescens Scott D. White, Jamie Minor 2008-3-13 11768 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  SD143992  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeion Pass Rd., 0.4 mi. E of Bench Mark Table (2559 ft.) 609 Comment
  SEINET7048048  Plagiobothrys canescens Steven R. Hill 2001-4-29 33522 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. Near Roberts Road in pasture. Elevation about 2314 feet. Comment
  UCR281250  Plagiobothrys canescens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 36 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  UCR174156  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32597 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
  POM8981  Plagiobothrys collinus var. californicus P. A. Munz, Harwood 1920-3-20 3390 Riverside Elsinore. 396 Comment
  RSA496742  Plagiobothrys collinus var. californicus Steve Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  RSA702727  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2004-4-6 10062 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR250122  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-9 40997 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCR180146  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-26 9895 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR228879  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 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
  RSA562489  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  POM13594  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5159 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  UCR166808  Plagiobothrys leptocladus R. E. Riefner Jr. 2005-4-22 05- 241 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UCR211730  Plagiobothrys leptocladus Fred M. Roberts, D. E. Bramlet 2005-5-5 6180 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  POM368912  Plagiobothrys nothofulvus M. M. Thompson 1947-6-9 C 2061 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR116457  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  JEPS68147  Plagiobothrys tenellus W. L. Jepson 1935-4-17 19141 Riverside 1.5 mi n Elsinore 457 Comment
  RSA198937  Plantago bigelovii subsp. californica Robert F. Thorne, Ora M. Clark, E. W. Lathrop, S. Carlquist 1968-4-18 37445 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA675021  Plantago erecta Scott D. White, Tasha La Doux 2000-4-23 7717 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  UCR214132  Plantago erecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37736 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR240635  Plantago erecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 42 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR4594  Plantago lanceolata R. G. Barber 1962-5-11 s.n. Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  JEPS7193  Plantago ovata W. L. Jepson 1927-4-12 11645 Riverside Painted Canyon Mecca Hills 76 Comment
  SEINET4568275 Image available Plantago ovata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4594 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC888394  Plantago ovata Carl B. Wolf 1932-4-28 Riverside 20 mi w Blythe (on the Mecca Road); Colorado Desert, Chuckwalla Valley 121 Comment
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Mar 26 2011
  RSA709893  Plantago ovata var. fastigiata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4594 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SBBG7272  Plantago ovata var. fastigiata C. H. Muller 1952-4-5 9488 Riverside White Water Cyn, 1 mi above White Water Comment
  POM94813  Plantago ovata var. fastigiata Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  CHSC108903  Plantago patagonica Duncan S. Bell; Joy England 2010-5-17 1008 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  UC1929304  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass; Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. Comment
  UCR261452  Plantago patagonica A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41446 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
  RSA652520  Platanus racemosa G. Foster 1961-4-30 118 Riverside Palm Canyon, Palm Springs. Comment
  RSA674593  Platystemon californicus Scott D. White 2000-5-5 7772 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UC146757  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR92151  Platystemon californicus D. L. Banks, Peter L. Morrell 1995-5-4 0311 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 732 Comment
  UCSB30907  Platystemon californicus Marks, R. 1978-3-16 Riverside 3/4 mi. east of orange grove; at 3000 McAllister Dr; in Riverside 457 Comment
  RSA678281  Platystemon californicus var. californicus Michael Wall 2003-4-26 300 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  JEPS6894  Plectritis ciliosa subsp. insignis Marcus E. Jones, A. M. 1882-4-24 3167 Riverside San Jacinto Comment
  POM47181  Pleuraphis rigida Mary F. Spencer 1920-3-17 1529 Riverside Whitewater. Comment
  SBBG14312  Pleuraphis rigida H. and M. Dearing 1936-12-25 Riverside Thousand Palms Comment
  UCR243173  Pleuraphis rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4356 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR202037  Pleurocoronis pluriseta Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  CDA8481  Pluchea odorata Leo Kroonen 1943-10-18 Riverside Corona. 0 Comment
  POM31961  Pluchea odorata Patricia Wilder 1970-10-15 4811 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UCR125298  Pluchea purpurascens A. C. Sanders 2002-11-21 25633 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  UCR120686  Pluchea sericea D. E. Bramlet 2000-8-30 3074 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  SD137945  Poa annua Darin L. Banks 1995-5-3 257 Riverside Cleveland National Firest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 512 Comment
  UC820904  Poa fendleriana subsp. longiligula P. A. Munz and I. M. Johnston 1922-5-21 5505 Riverside Kenworthy; San Jacinto Mts 1402 Comment
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Mar 25 2011
  RSA747875  Poa pratensis Justin M. Wood 2009-5-11 693 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR22190  Poa secunda E. W. Lathrop 1965-4-18 5652 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 10 miles west of Murrieta Comment
  UCR97264  Poa secunda Scott D. White 1993-3-12 1170 Riverside Near Winchester 466 Comment
  UC1022815  Poa secunda subsp. secunda Philip A. Munz 15658 Riverside 2 mi n Banning (Indio Blvd); Whitewater Canyon Comment
  SD126503  Polygala cornuta var. fishiae Tom Wendt, E. Lott 1975-6-30 1054 Riverside Santa Ana Mountains, Cleveland National Forest, 2 miles north of entrance to upper San Juan Campground, ca. 0.1 mile east of the Orange County line along Rte. 74 in San Juan Canyon 427 Comment
  CLARK-A1528-758  Polygonum aviculare C. M. Flanagan 1973-4-17 OO 111 Riverside Riverside 243 Comment
  CLARK-A1528-3788  Polygonum lapathifolium Art Whistler 1966-5-18 8 Riverside University of California Comment
  RSA316418  Polygonum lapathifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55394 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles N of Whitewater Post Office 595 Comment
  UCR25366  Polypodium californicum John C. Roos 1952-4-16 5547 Riverside Damp canyon off Reche Canyon. 518 Comment
  SBBG53740  Polypogon monspeliensis S. Boyd 1980-4-13 Riverside Harford Springs County Park, NW corner of the Gavilan plateau Comment
  POM360757  Populus fremontii Ora M. Clark 1929-3-2 1614 Riverside Near Elsinore. Comment
  RSA296182  Populus fremontii Barry A. Prigge 1980-8-5 3820 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR197058  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA613421  Porophyllum gracile D. L. Banks 1997-4-5 1670 B 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
  JOTR01282  Porophyllum gracile Cole, James E. 1941-5-21 757 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  HSC83831  Potamogeton foliosus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau, Rancho California near junction of road to Santa Rosa Ranch from Tenaja Rd. 549 Comment
  UC1931084  Potentilla gracilis var. fastigiata Scott D. White, Justin Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA0005686  Potentilla hassei H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  SDSU12251  Primula clevelandii var. clevelandii Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 2 Riverside Comment
  UCD108216  Prosopis glandulosa var. torreyana Richard Bates 1949-4-26 s.n. Riverside Indio. Comment
  UC68617  Prosopis pubescens H. M. Hall Apr 1905 5988 Riverside near Indio; Colorado Desert 30 Comment
  UC1010231  Prunus fremontii John and Lucille Roos 1953-3-21 5908 Riverside S of Palm Springs (Andreas Canyon, mouth of) 274 Comment
  SEINET2054371 Image available Psathyrotes ramosissima Joe Barrington 1968-5-11 68051114 Riverside Outside Palm Desert on Hway 74 at the edge of the valley floor, entering the mts. to Santa Rosa Mt., 100 yards from road. 609 Comment
  UCR103550  Psathyrotes ramosissima George K. Helmkamp 1998-1-17 2534 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  RSA0104486  Pseudognaphalium Duncan S. Bell 2015-9-30 8669 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR199566  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 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
  RSA0124290  Pseudotsuga macrocarpa Duncan S. Bell 2016-4-16 9333 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC813370  Pseudotsuga macrocarpa C. Epling 1937-4-1 Riverside above Herkey Creek Camp; San Jacinto Mt. Comment
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Jun 24 2009
  CAS-BOT-BC340911  Psorothamnus schottii E. E. Schellenger 1911-4-24 s.n. Riverside Colorado Desert. South of Palm Springs Comment
  JEPS41664  Psorothamnus schottii M. Clary 1929-10-1 12 Riverside Coral Reef Canyon , Coral Reef Canyon (Santa Rosa Mts.) 0 Comment
  JOTR32316  Psorothamnus schottii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA799247  Psorothamnus schottii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 731 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SD229163  Psorothamnus schottii Dick Schwenkmeyer 2012-11-6 856 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
  UC68600  Psorothamnus schottii H. M. Hall Apr, 1905 5781 Riverside 10 mi w Coachella; Colorado Desert, w of Coachella 152 Comment
  UCR16202  Psorothamnus schottii S. Nelson 1974-4-13 s.n. Riverside Western Colorado Desert, Deep Canyon, near gate to Deep Canyon Reserve 152 Comment
  UCSB18654  Psorothamnus schottii Gerhart, Janet 1963-4-6 Riverside Coachella Canal-siphon 22, 5 miles southeast of intersection of Salt Creek Wash Road Comment
  SD229012  Pteridium aquilinum Dick Schwenkmeyer 2012-8-27 808 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  SD81445  Pteridium aquilinum var. pubescens Louis C. Wheeler 1931-10-4 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  UCR35298  Pteridium aquilinum var. pubescens L. B. Ziegler 1970-5-20 404 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  JOTR30998  Pterostegia drymarioides La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1304 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  POM13039  Pterostegia drymarioides P. A. Munz, D. D. Keck 1922-4-13 4948 Riverside Eagle Mountains. 244 Comment
  RSA522713  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3899 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  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
  UCR162402  Pterostegia drymarioides S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  CAS-BOT-BC362148  Pulicaria paludosa A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al 1996-11-23 19661 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
  UCR130093  Pulicaria paludosa G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  CAS-BOT-BC156399  Purshia tridentata var. glandulosa Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  SD260962  Quercus Mitch Provance 2012-4-20 412 36 Riverside San Timoteo Canyon, 0.8 mi south-southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd. / Oak Valley Parkway. 671 Comment
  JOTR32954  Quercus X munzii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 305 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  UCSB1217  Quercus X munzii Muller, Cornelius 1952-3-23 Riverside Live-oak Tank, Joshua Tree National Monument Comment
  CAS-BOT-BC61819  Quercus agrifolia Peter Raven; Sidney R. Snow 1956-6-30 9540 Riverside Dripping Springs Guard Station, Temecula River Comment
  UCR136258  Quercus agrifolia A. C. Sanders 2004-6-20 28229 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  SEINET10730902  Quercus agrifolia var. agrifolia Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 673 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  RSA709773  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31556 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  HSC8118  Quercus berberidifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23102 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA479914  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UCR178612  Quercus berberidifolia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 446 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  SDSU6965  Quercus chrysolepis H. Wedberg 1962-7-28 989 Riverside About 1 mile from Mountain Center on the road to Hemet. 1280 Comment
  SEINET5569533  Quercus chrysolepis R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, SW 25d slope. 1524 Comment
  RSA0123104  Quercus cornelius-mulleri Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9011 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SD146253  Quercus douglasii A. C. Sanders, P. J. MacKay, T. Thomas, O. F. Clarke 1997-4-13 20436 Riverside San Joaquin Valley, San Emigdio Ranch, slopes south of San Emigdio Creek, just above confluence with Doc Williams Canyon, on north-facing slope; Eagle Rest Peak 7.5' quad. 915 Comment
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Jul 23 2019
  RSA786539  Quercus engelmannii C. P. Cowan 1978-4-25 1287 -B Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  SBBG119972  Quercus engelmannii A. C. Sanders with M. Misenhelter 2005-3-23 29264 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SD80953  Quercus engelmannii James Henrickson 1969-5-16 3241 Riverside 5 miles west of Murrieta on Santa Rosa Plateau, 4 miles east of Tenaja campground 609 Comment
  UCR60981  Quercus engelmannii B. G. Pitzer 1988-6-8 1044 Riverside Rancho California area, avocado groves south of Avenida del Oro, just Calle Capistrano 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
  RSA39264  Quercus turbinella P. A. Munz 1946-10-19 11569 Riverside 1 miles east of Anza. 1159 Comment
  RSA651697  Quercus wislizeni var. frutescens Diane M. Ramirez 1983-5-1 34 Riverside Poppet Flat Divide Truck Trial, 1 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA651188  Rafinesquia Marion P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  RSA606382  Rafinesquia californica Jon E. Keeley 1994-4-22 25322 Riverside Shipley Reserve 670 Comment
  JOTR28944  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1180 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA472421  Rafinesquia neomexicana N. C. Cooper 1944-3-25 1038 Riverside Morongo Pass. 457 Comment
  UCR267888  Rafinesquia neomexicana Jim Andre 2013-3-4 23865 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA191394  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1965-5-18 5758 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  POM296  Ranunculus cymbalaria var. saximontanus I. M. Johnston 1917-6-9 1219 Riverside Santa Ana River near Corona Comment
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Nov 20 2011
  SD232318  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Pond, creek, and adjacent uplands. 1426 Comment
  UCR140732  Rhamnus crocea A. C. Sanders 2004-5-12 27870 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR156289  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-5-16 859 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
  UCR230210  Rhamnus crocea A. C. Sanders 2011-4-6 38976 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
  HSC46613  Rhamnus ilicifolia Christopher Davidson 1977-5-18 5620 Riverside Cleveland National Forest, Bear Springs 1220 Comment
  JOTR35448  Rhamnus ilicifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 52 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UC2029920  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam DeVries 2000-4-5 7731 Riverside TEMESCAL VALLEY: Corona area, eastern foothills of Santa Ana Mts. just above citrus groves. Comment
  UC877122  Rhododendron occidentale P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains, North Fork Tahquitz Creek North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2225 Comment
  POM48363  Rhododendron occidentale var. californicum P. A. Munz, I. M. Johnston 1924-7-27 8787 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  JEPS66258  Rhus ovata W. L. Jepson 1901-5-18 1258 Riverside San Jacinto River, upper San Jacinto Valley San Jacinto River (from Riverside to Santa Rosa Peak and Palomar); San Jacinto Valley, San Jacinto River 548 Comment
  UC1002628  Rhus ovata Alice Yates and Jas. E. Wilcox 1954-1-29 Riverside Whitewater Canyon 457 Comment
  SD187324  Rhus trilobata Scott D. White, Angelia Carey 2004-4-16 10155 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UC63999  Rhus trilobata H. M. Hall 1897-5-19 559 Riverside vicinity of Chalk Hill; San Jacinto Mountains Comment
  SD90416  Rhus trilobata var. pilosissima Robert F. Thorne, E. Lathrop 1969-6-6 39324 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  HSC20371  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi. N of Pala along road to Elsinore Comment
  SEINET272333 Image available Ribes indecorum A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 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
  UC729694 Image available Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside 5 mi w Corona (base of Skyline Drive); Santa Ana Mts., Hidden Canyon 405 Comment
  RSA476214  Ribes nevadense Gale Sphon 1955-5-21 s.n. Riverside Fullermill Creek. Comment
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Feb 22 2013
  UCR5949  Ribes nevadense Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above top of main waterfall a mile upstream from Banning-Idyllwild road on Fuller Mill Creek 1829 Comment
  UCSB2647  Ribes nevadense Newby, Ron 1959-5-16 Riverside 10 miles N of Idyllwild on hiway to Banning; in the San Jacinto mountains 1828 Comment
  CAS-BOT-BC212234  Ribes quercetorum Elmer I. Applegate 1927-2-1 4972 Riverside Near Oak Grove, road to Warner Ranch. Comment
  UCR4148  Ricinus communis Ronald M. Cope 1965-3-28 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, small canyon on west side of Canyon Crest Drive, about 2 mi south of Fire Prevention Lab 274 Comment
  POM319730  Ricinus communis Patricia Wilder 1970-10-30 4855 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  RSA674804  Robinia pseudoacacia Scott D. White 2001-6-29 8624 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  UCR37459  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Arroyo del Toro Comment
  RSA741112  Rumex acetosella Scott D. White, Justin M. Wood 2008-6-18 12236 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  CAS-BOT-BC433324  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside Mecca. Salton Sink 57 Comment
  CLARK-A1528-765  Rumex crispus Bruce Freeman 1968-5-22 680522-1 Riverside University of California 304 Comment
  SEINET3087570 Image available Rumex crispus J. Freeman 1988-5-29 Riverside Santa Ana River 0.25 mi E. of Hamner Ave. on N. side 274 Comment
  UCR171905  Rumex hymenosepalus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR22143  Rumex salicifolius var. denticulatus Steve Boyd 1980-4-13 125 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  OBI38316  Rumex violascens Oscar F. Clarke 1985-5-13 s.n. Riverside San Jacinto River valley, gun club ponds E of David Rd a short distance N of Lakeview, E of the Bernasconi Hills 427 Comment
  SD123916  Rumex violascens Barry A. Prigge 1980-12-15 4126 Riverside Coachella Valley stormwater channel: 3.5 mi S of Mecca. -68 Comment
  RSA559964  Sagina decumbens subsp. occidentalis Steve Boyd 1992-4-28 7078 Riverside Santa Ana Mountains, Elsinore Peak area, old Main Divide roadbed about 0.25 mile due south of peak. 1021 Comment
  RSA401570B  Salazaria mexicana Jack Rempel 1934-4-28 s.n. Riverside From Lost Horse to Pleasant Valley. 1220 Comment
  UC494397  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Corn Springs; eastern Riverside County Comment
  RSA596544  Salix exigua D. L. Banks, Lauren Raz 1996-8-29 1141 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  RSA770442  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4574 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SJSU204  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside 243 Comment
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Mar 26 2011
  UC1979594  Salix exigua D. L Banks, Steve Boyd 1995-3-16 0091 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  CAS-BOT-BC108107  Salix gooddingii Henry Pelouze De Forest 1932-1-1 s.n. Riverside Santa Ana River bed and banks, near Riverside Comment
  UCR225737  Salix gooddingii A. C. Sanders, T. B. Salvato 2011-3-30 38891 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR37445  Salix gooddingii Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  UCR17442  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-4-24 391 Riverside Santa Rosa Mtns, Deep Canyon, N slope of mountains 1317 Comment
  POM2044  Salix lasiolepis W. L. Jepson, H. M. Hall 1901-5-17 1307 Riverside Strawberry Valley. 1616 Comment
  CAS-BOT-BC126318  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR263234  Saltugilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41456 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  UC52862  Saltugilia australis H. M. Hall April, 1902 2907 Riverside vicinity Winchester (above Sage P.O.); vicinity of Winchester, above Sage P.O. Comment
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Mar 20 2011
  UCR140903  Saltugilia australis Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  CAS-BOT-BC232922  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive and Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  POM161530  Saltugilia splendens Ralph Hoffmann 1929-9-19 s.n. Riverside San Jacinto Mountains: Tahquitz Valley. 2439 Comment
  SD137723  Salvia apiana Darin L. Banks, Steve Boyd 1995-6-2 577 Riverside Agua Tibia Wilderness Area; north face of north peak of Agua Tibia Mountains, on the Woodchuck Trial north of the Riverside County boundary. 744 Comment
  RSA0036087  Salvia apiana Norman C. Cooper 1944-5-19 1299 Riverside banning 701 Comment
  RSA411369  Salvia carduacea Ora M. Clark 1929-2-24 1532 Riverside Cabazon, Colorado Desert. Comment
  SBBG89046  Salvia carduacea B. Pitzer, K. Kirtland 1986-5-7 220 Riverside Butterfield Stage Ranch development, Rancho California area, 1 mi S of Buck Mesa on the E side of Butterifeld Stage Rd 457 Comment
  JOTR32162  Salvia columbariae La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2314 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA525281  Salvia columbariae Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4595 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR279404  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-25 43018 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
  UCR279540  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-29 43185 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR4171  Salvia columbariae R. H. Sauer 1965-4-7 s.n. Riverside Box Springs Mtns., just east of [railroad] tracks c. 0.25 mi. south of end of Big Springs Road, Riverside. 366 Comment
  UCSB5774  Salvia columbariae Koran, John 1958-4-25 Riverside 5 miles West of Hwy 111; on IdyllwiId-Banning Hwy (74) Comment
  UCSB5789  Salvia eremostachya Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats Comment
  JEPS16866  Salvia greatae Marjorie D. Clary 1938-4-17 2844 Riverside n of Salton Sea (bajada at base of Orocopia Mts); Orocopia Mts. 243 Comment
  SD103970  Salvia greatae J. L. S. Simpson 1968-3-17 Riverside Red Cloud Road, Salton Creek. Comment
  JOTR16870  Salvia leucophylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  CLARK-A1528-588  Salvia mellifera Markell Kohn 1959-4-1 Riverside Riverside Comment
  SEINET272395  Salvia mellifera A. C. Sanders, G Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UCR20748  Salvia mellifera A. C. Sanders, Steve Boyd 1980-5-2 01451 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC224847  Salvia pachyphylla A. J. Perkins 1915-8-1 s.n. Riverside San Jacinto Mts 2743 Comment
  CAS-BOT-BC235030  Sambucus H. M. Hall 1901-6-1 2216 Riverside Onstat's Canon [Onstatt's Canyon], San Jacinto Mt. 1676 Comment
  UCR139619  Sambucus mexicana A. C. Sanders 2004-6-30 28383 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR193902  Sambucus mexicana A. C. Sanders, Mitch Provance 2008-7-11 35781 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  CAS-BOT-BC238860  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-8-6 3991 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  UC917896  Sambucus nigra subsp. caerulea Frank W. Gould 1943-4-17 2111 Riverside 12 miles south of Corona Comment
  UC1595561  Sanicula arguta Steve Boyd, Orlando Mistretta 1991-5-22 6308 Riverside e of Dorland Mountain (w of Kolb Creek, base of Agua Tibia Mountain, Vail Lake Area); Vail Lake Area, Agua Tibia Mountain 548 Comment
  UCR92657  Sanicula arguta Scott D. White 1996-3-31 3867 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA612934  Sanicula bipinnatifida D. L. Banks 1997-3-29 1643 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  UC73287  Sanicula bipinnatifida M. F. Gilman 1904-1 48 Riverside Southern California, Banning Banning; Southern California, Banning Comment
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Mar 21 2011
  RSA570230  Sanicula crassicaulis Steve Boyd, Timothy S. Ross 1993-3-23 7904 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
  RSA612936  Sanicula crassicaulis D. L. Banks 1997-3-29 1641 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  RSA249824  Sarcodes sanguinea R. F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38122 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  UCR1613  Sarcostemma cynanchoides R. G. Barber 1962-5-8 78 Riverside Sycamore Canyon 306 Comment
  UCR34992  Sarcostemma cynanchoides L. B. Ziegler 1966-9-13 085 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  JEPS27438  Sarcostemma hirtellum W. L. Jepson and W. C. Mathews 1914-5-18 6010 Riverside Pinyon Well to County Well; Colorado Desert Comment
  UCR176193  Schinus molle Amber Bruno 2005-6-7 50 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  RSA325512  Schismus arabicus R. F. Thorne, Drs Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55422 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SJSU1758  Schismus barbatus G. B. Youngberg 1956-3-30 220 Riverside among hills near La Sierra College, Arlington 228 Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 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
  UCR97484  Schismus barbatus A. C. Sanders 1997-3-1 19705 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SDSU19224  Schoenoplectus americanus Kristen Hasenstab, Dave Bailey 2008-8-7 181 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  UC2094  Scirpus cernuus A. J. McClatchie May, 1892 24 Riverside Elsinore Comment
  RSA180426  Scirpus microcarpus E. W. Lathrop 1965-5-7 5715 -B Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  JEPS26108  Scrophularia californica subsp. floribunda Peter H. Raven 1958-5-17 12954 Riverside 7.4 mi se of Banning (on road to Idyllwild); San Jacinto Mts Comment
  UC456124  Scutellaria siphocampyloides I. J. Condit 1910-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Mar 12 2011
  RSA748358  Scutellaria siphocampyloides Sarah J. De Groot, Naomi S. Fraga 2004-7-8 4388 Riverside San Jacinto Mountains: East of Idyllwild, vicinity of FS road 5S13, between Chimney Flats Road 5S06 and 5S24. 1463 Comment
  UCR174154  Scutellaria tuberosa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32573 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
  RSA0123161  Selaginella eremophila Duncan S. Bell, LeRoy Gross 2016-3-30 9162 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
  POM250465  Senecio douglasii var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  RSA716256  Senecio flaccidus Scott D. White, Angelia Carey 2004-4-5 10008 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA575920  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  RSA586726  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-5-17 0448 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  SD137853  Senecio flaccidus var. douglasii Darin L. Banks, Steve Boyd 1995-5-17 448 Riverside Agua Tiobia Mountains; north face of Agua Tibia Mountain, east of the Dripping Springs Alcove. 594 Comment
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May 20 2013
  UC485568  Senecio flaccidus var. douglasii F. M. Reed 1905-9-25 242 Riverside Riverside Riverside (Chicago Ave.) Comment
  UCR241644  Senecio flaccidus var. douglasii T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 362 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR7929  Senecio flaccidus var. douglasii James J. Sims 1968-9-8 s.n. Riverside San Bernardino Valley Region, Box Springs Mtns, 8081 Reche Canyon Road 549 Comment
  OBI38334  Senecio mohavensis A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6137 Riverside N foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  RSA94664  Senecio mohavensis F. W. Peirson 1921-3-22 2378 Riverside Murray Canyon near Palm Springs. 457 Comment
  JOTR34185  Senecio vulgaris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3235 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA509557  Senecio vulgaris Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA314644  Senecio vulgaris R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55453 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA523870  Senecio vulgaris Gordon H. True 1935-4-1 199 Riverside Box Springs. 366 Comment
  SEINET12264998  Senegalia greggii Unknown 1936-1 12808 Riverside foothills of San Jacinto Mts near Palm Springs Comment
  SEINET13276827 Image available Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-1 42000 Riverside Peninsular Range: along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. (Pechanga 7.5' Q.) 401 Comment
  UC1765226  Senna obtusifolia Les Ede 1989-8-19 Riverside S of Blythe in the Palo Verde Valley, ca. 1 mi N of the Imperial County line. Comment
  UCR255985  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 06 Riverside NW San Jacinto Mountains, northeast of Hwy 243 c. 16 hwy km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain 2145 Comment
  RSA653580  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  RSA87505  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19561 Riverside junction of Pines-to-Palms highway and cutoff to Idyllwild, about 4 miles NW of Hemet Reservoir. Comment
  UC218238  Sidalcea malviflora subsp. sparsifolia P. A. Munz and I. M. Johnston 1922-5-19 5441 Riverside 1 mi above Garner Ranch (Hemet Valley); San Jacinto Mts., , above Garner Ranch 1386 Comment
  SD137807  Silene gallica Darin L. Banks, Steve Boyd 1995-5-3 295 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 509 Comment
  SDSU13902  Silene gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2132 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR25543  Silene gallica John C. Roos 1941-4-19 171 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA131711  Silene laciniata subsp. major E. K. Balls 1958-6-27 23295 Riverside 3.1 miles NW along Indian Truck Trail from jnt. with Main Divide, Santa Ana Mountains. 91 Comment
  RSA525318  Silene multinervia Steve Boyd, David E. Bramlet 1990-4-29 4472 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  CLARK-A1528-4907  Silene parishii var. viscida John C. Roos 1947-9-6 3744 Riverside San Jacinto Mountains Comment
  UC64150  Silene verecunda subsp. platyota H. M. Hall July, 1901 2550 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2194 Comment
  UCR130852  Silybum marianum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  SBBG71058  Simmondsia chinensis H. and M. Dearing 1938-11-12 142 Riverside Little San Bernardino Mtns; Joshua Tree Nat Park 762 Comment
  SD80049  Simmondsia chinensis Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-28 276 Riverside Andreas Canyon, near Palm Springs, along trail 75' south of Andreas stream, opposite mouth of North Canyon 366 Comment
  UCR139204  Simmondsia chinensis Percy C. Everett 1939-7-7 9525 Riverside Peninsular Range, 4 mi north of Temecula-Aguana Road [Hwy 79] on road [Sage Rd.] to Hemet 762 Comment
  UCR227007  Simmondsia chinensis Jim Andre 2011-2-2 16238 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCSB27089  Simmondsia chinensis Wilken, Dieter 1970-6-5 Riverside 3.2 miles east of Aguanga on road between Aguanga and Paradise Valley. Comment
  POM14054  Sinapis arvensis P. A. Munz, D. Keck 1922-4-15 s.n. Riverside Beaumont. 762 Comment
  SEINET8727739 Image available Sinapis incana Jean Coulson 1959-1 s.n. Riverside Riverside; N. W. corner of Liden and Canyon Crest. Comment
  JEPS53874  Sisymbrium altissimum W. L. Jepson 1935-4-21 17162 Riverside Wisser Valley Comment
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Apr 7 2009
  JOTR33794  Sisymbrium altissimum La Doux, Tasha, A. Miller 2007-5-8 3307 Riverside Joshua Tree National Pa