Search Results — 2000 specimen records retrieved (1912 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD132534  Abies concolor F. C. Vasek 1977-11-25 771125 1 Riverside San Jacinto Mountains, area below Boulder Basin Campground, just below Black Mountain Lookout Comment
  UCR63918  Abies concolor Frank C. Vasek 1976-7-4 760704- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  CAS-BOT-BC229316  Abronia villosa Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC389743  Abronia villosa M. Danielson 1963-12-23 s.n. Riverside Beginning of dirt road into Tahquitz Canyon Comment
  SFV4378  Abronia villosa F. M. Ball 1964-1-4 s. n. Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  RSA782341  Abronia villosa var. aurita Jim Andre, G. L. Clifton 2011-2-22 17473 Riverside Coachella Valley; N Palm Springs approx. 0.3 mile north of Hwy. 111, vacant lot at corner of San Rafael and Virginia Street. 189 Comment
  SD247456  Abronia villosa var. aurita A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41540 Riverside Peninsular Range: Eastern Foot of the Santa Ana Mountains: Temescal Canyon Road, SE of El Hermano Road junction (Lake Mathews 7.5'Q) 315 Comment
  RSA749943  Abronia villosa var. villosa Justin M. Wood 2009-3-26 410 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR228397  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 171 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, off Box Canyon Road (66th St./Hwy 195), campground east of Mecca 198 Comment
  UCR234810  Abronia villosa var. villosa Jim Andre, Glenn L. Clifton 2011-2-22 17467 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  UC303555  Abutilon theophrasti Gordon Surr Sep 1917 Riverside Citrus Experimental Station Riverside Comment
  UCR253375  Acacia Lauren Velasco 2014-9-2 s.n. Riverside Sonoran Desert; Coachella Valley, La Quinta Park in La Quinta, near the intersection of Adams St. and Blackhawk Way 27 Comment
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  RSA592688  Acacia greggii var. arizonica Scott D. White, Duayne Haselfeld 1996-7-2 4272 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
  RSA666720  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Temecula, Long Canyon west Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada. 366 Comment
  CAS-BOT-BC30903  Acamptopappus sphaerocephalus C. B. Wolf 1932-5-25 3681 Riverside San Gorgonia Wash. On road to Snow Creek Canyon 365 Comment
  SEINET9122084  Acamptopappus sphaerocephalus N. Zabriskie, W. Zabriskie 1969-1 192 Riverside Andreas Canyon near Palm Springs. 411 Comment
  JOTR16556  Acamptopappus sphaerocephalus var. sphaerocephalus Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UC729968  Acamptopappus sphaerocephalus var. sphaerocephalus Carl B. Wolf 1932-5-25 3681 Riverside on road to Snow Creek Canyon San Gorgonia Wash Comment
  POM161531  Acer glabrum var. diffusum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  UCR91004  Acer negundo A. C. Sanders 1996-4-24 18086 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  CAS-BOT-BC20351  Achillea millefolium P. Raven; R. Snow 1957-7-26 11108 Riverside Meadow just below Vista Grande Ranger Station, Banning - Idyllwild road, San Jacinto Mts. Comment
  UC890980  Achillea millefolium unknown 1932-8-4 3926 Riverside 1.5 mi from, on road to Banning Idyllwild; San Jacinto Mts., Strawberry Valley 1706 Comment
Read comments
Nov 2 2011
  UC39963  Achnatherum occidentale subsp. pubescens H. M. Hall July, 1901 2537 Riverside n side, San Jacinto Mts. San Jacinto Mts. 1524 Comment
  POM183975  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  RSA423488  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  UCR132854  Achyronychia cooperi Kent Beaman 1983-4-9 08 Riverside Sonoran (Colorado) Desert, mouth of Box Canyon along the road, Mecca Mud Hills, south of Indio 61 Comment
  UCR10956  Acleisanthes longiflora Charlotte McCreary 1970-12-29 s.n. Riverside Colorado River Valley, near Palo Verde diversion dam on Hwy 95 91 Comment
  SD133089  Acmispon glaber Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2 mi. W of I-215 exit, by road; just E of the city of Murrieta, between Murrieta & I-215. 366 Comment
  SBBG3387  Acmispon heermannii var. heermannii H. and M. Dearing 1940-6-9 4367 Riverside Pines to Palms Hwy, W of Ribbonwood Comment
  RSA0123157  Acmispon maritimus var. brevivexillus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8967 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
  SBBG67985  Acmispon maritimus var. brevivexillus M. N. Ackley 1928-3-31 546 Riverside Hidden Spring 304 Comment
  SBBG28443  Acmispon rigidus D. Myrick 1964-4-29 823 Riverside 10 mi W of Palm Desert on Pines to Palms Hwy 74 914 Comment
  UCSB54191  Acmispon rigidus McKinley, Gale 1985-3-26 Riverside 1/4 mile east of site #9 in Ryan Campground in boulder area in Joshua Tree National Monument 1310 Comment
  CHSC99616  Acmispon strigosus LeRoy Gross 2005-3-3 1591 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Growing in sandy wash. 225 Comment
  RSA588171  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak., 33 deg 27'.024 N - 116 deg 57'.923 W. 597 Comment
  SD181710  Acroptilon repens Scott D. White 2000-5-5 7770 Riverside Murrieta: Vacant lot on north corner at intersection of Jefferson Ave. and Murrieta Hot Springs Road. 323 Comment
  RSA730044  Adenophyllum porophylloides R. F. Thorne 1966-10-15 41799 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SD73614  Adenophyllum porophylloides Helen V. Witham 1970-4-29 822 Riverside Highway 74, 20 miles east of Lake Hemet. 1299 Comment
  UC1929910  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  SEINET10848228  Adenostoma sparsifolium Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 690 Riverside San Bernardino National Forest, San Jacinto Ranger District. 3.0 miles NE of route 74 on Apple Canyon road. T5S R3E, corner of sections 27, 26, 34 and 35, San Bernardino meridian. 1554 Comment
  CAS-BOT-BC69643  Adiantum capillus-veneris Dr. Emmet Rixford 1917-4-17 s.n. Riverside Coachella Valley. Comment
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  SEINET10534193  Agave deserti A. K. Evans 1976-4-13 Evans 5135 Riverside Rocky slopes of Santa Rosa mountains. Comment
  RSA696465  Agave deserti subsp. deserti J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
Read comments
Nov 7 2015
  SEINET5641182  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  UCR2124  Agrostis idahoensis F. M. Reed 1908-7-14 2473 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  UCR201703  Agrostis viridis Scott D. White, Justin M. Wood 2008-6-19 12277 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA559337  Aira caryophyllea Steve Boyd 1992-5-15 7405 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trail, west of Round Potrero. 671 Comment
  RSA172212  Aliciella latifolia R. F. Thorne 1963-3-29 32392 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UC61551  Allenrolfea occidentalis Miss Mary McKibben 1904-4-18 Riverside Mecca Colorado Desert, Mecca -5 Comment
  UCD98018  Allionia incarnata Geoffrey Levin 1976-3-27 689 Riverside Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  RSA36553  Allium denticulatum Sara M. Schenck 1941-4-25 s.n. Riverside Quail Mountain. 1006 Comment
  UCD138541  Allium haematochiton Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  UCR214123  Allium haematochiton A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37730 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
  UCR27415  Allium haematochiton John C. Roos 1950-3-18 4714 Riverside Peninsular Range, 3 - 4 mi north of Murrietta in the hills 457 Comment
  UCR29261  Allium lacunosum var. lacunosum A. C. Sanders 1980-6-11 1577 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR261555  Allium marvinii John F. Green 2015-4-30 s.n. Riverside San Bernardino Mtns. Foothills, powerline route in hills north of Banning and west of Banning Canyon, east of Moore St. 898 Comment
  RSA545777  Allium munzii L. Arnseth 1990-5-11 7 Riverside Gavilan Hills. 0.8 mi. E. of Arroyo del Toro. 488 Comment
  SEINET8467245 Image available Allium peninsulare J. C. Roos 1948-5-22 3865 Riverside In a canyon SE of the summit of Reche Canyon 732 Comment
  UCR124659  Allium praecox B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1484 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  UC1931113  Allophyllum divaricatum Scott D. White, Justin Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. Comment
  CAS-BOT-BC170130  Alnus rhombifolia Louis C. Wheeler 1933-12-2 2301 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  POM47185  Alnus rhombifolia P. A. Munz, I. M. Johnston 1924-7-26 8723 Riverside Along Creek at Beckers. 1372 Comment
Read comments
May 30 2011
  RSA593984  Aloe saponaria Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 952 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR215451  Aloysia wrightii Jim Andre, T. La Doux 2008-9-16 10685 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UCR232359  Amaranthus John F. Green 2008-4-16 0408- 38 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA736797  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR116923  Amaranthus blitoides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24222 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
  UCR263225  Amaranthus blitoides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41467 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
  UCR120293  Amaranthus blitoides var. reverchonii Mitch Provance 1998-7-23 905 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UC1563107  Amaranthus retroflexus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3662 B Riverside Temecula Creek canyon, below the dam Vail Lake Area 457 Comment
  UCR7930  Amaranthus retroflexus O. F. Clarke 1968-10-8 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce St. 306 Comment
  CAS-BOT-BC22616  Ambrosia dumosa Ira L. Wiggins 1941-3-24 9575 Riverside Along eastern side of the Salton Sea, 2.7 miles S of Mortmar Comment
  HSC66728  Ambrosia dumosa D. L. Goforth, D. Reed 1980-3-25 360 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  IRVC19740  Ambrosia dumosa J. T. Smiley 1983-4-9 19 Riverside Philip L. Boyd Deep Canyon Desert Research Center; student study area. northern Sonoran Desert Comment
  RSA727011  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SFV17216  Ambrosia dumosa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UC218034  Ambrosia dumosa P. A. Munz, D. Keck 1922-4-13 4934 Riverside slope of Aushurtz Canyon; Colorado Desert, Eagle Mts. 274 Comment
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
Read comments
Apr 24 2011
  UCSB6547  Ambrosia dumosa Leeuwen, Henry 1957-4-12 Riverside In Whitewater Canyon, 1 mile from U.S. 60-70-99 Comment
  RSA777764  Ambrosia ilicifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1085 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UCR41461  Ambrosia ilicifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6131 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  HSC80290  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Rosa Plateau Region, NW base of Redona Mesa on Tenaja Rd., 0.8 mi.. east of junction with 8S01 and 8S02 Comment
  POM246654  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  CAS-BOT-BC273013  Ambrosia salsola Ira L. Wiggins 1941-3-24 9576 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  CAS-BOT-BC273018  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 346 Riverside Near entrance gate, Andreas Canyon Club, South Palm Canyon Drive, Palm Springs 167 Comment
  SEINET10797875  Ambrosia salsola David B. Dunn 1947-3-16 Dunn 2920 Riverside Found 1/2 mile west of Cabayon in Banning Pass. Comment
  JOTR32964  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM126807  Ammannia coccinea E. E. Schellenger 1894-8-10 s.n. Riverside Colorado Desert, River bottom - Paloverde Comment
  JEPS14148 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckwalla Valley Colorado Desert (Hayfields); Chuckawalla Valley, Colorado Desert 152 Comment
  UCR91732  Amorpha californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18100 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR133457  Amorpha californica var. californica Tracy Tennant, J. S. Ross 1998-7-30 MOR- 677 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  CAS-BOT-BC177261  Amorpha fruticosa H. M. Hall 1900-5-15 s.n. Riverside Reche [Canon] Canyon 457 Comment
  RSA30674  Amorpha fruticosa L. C. Wheeler 1932-7-9 939 Riverside Santa River canyon 3 miles below Prado. 137 Comment
  SD248414  Amorpha fruticosa A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range: Temescal Valley, along Hostettler Rd. near Temescal Canyon Road and I-15, at bend in Hostettler Rd. 363 Comment
  RSA0065487  Amsinckia Eleanor McClung 1937-3-23 26 Riverside Palm Springs. Comment
  RSA0089624  Amsinckia intermedia Steve Boyd 1992-4-15 6867 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR120925  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24923 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR228844  Amsinckia intermedia A. C. Sanders, Nathan Moorhatch 2011-3-22 38787 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR158339  Amsinckia retrorsa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30055 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
  CLARK-A1528-775  Anagallis arvensis Leland R. Dykes 1962-5-1 54 Riverside Santa Ana Mountains Comment
  UCR163337  Anagallis arvensis T. B. Salvato, Kelly Volansky 2003-3-27 128 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR4122  Anagallis arvensis Ronald M. Cope 1965-4-13 s.n. Riverside City of Riverside, on corner of where Gage canal crosses Le Conte Drive 290 Comment
  VVC1461  Andropogon glomeratus A. C. Sanders, J. Mac 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, E of VAMB Captain 534 Comment
  IRVC3693  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-5-28 SJ 19 Riverside Below Idyllwild toward Mountain Center. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  UC891462  Anisocoma acaulis K. Watkins and E. McClintock 1937-4-10 Riverside near road to, on Palms-to-Pines Highwayl Shumway Comment
  UCR231814  Antirrhinum coulterianum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 11 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA49378  Antirrhinum filipes Philip A. Munz 1949-4-12 13033 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  UCR102710  Antirrhinum filipes B. G. Pitzer 1998-1-24 3395 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA221092  Antirrhinum kelloggii E. W. Lathrop 1966-3-23 6080 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA501015  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3134 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA0126159  Arabis glabra C. B. Wolf 1931-5-11 1962 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  RSA0126304  Arabis hirsuta var. glabrata Orlando Mistretta 2009-7-10 3997 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  CAS-BOT-BC423306  Arctostaphylos L. Nye; G. Gust 2005-3-11 70 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA629129  Arctostaphylos Jon E. Keeley 1992-7-17 16782 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629132  Arctostaphylos Jon E. Keeley 1992-7-16 16565 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629390  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19514 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629456  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16802 Riverside Road to Thomas Mountain (5S15), 6.3 km north of Toolbox Spring. 1770 Comment
  RSA629461  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16813 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR273497  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42603 Riverside Peninsular Range; Santa Ana Mountains, South Main Divide Road, near Elsinore Peak, 0.35 km by road south of road junction to Elsinore Peak towers 998 Comment
  OBI42561  Arctostaphylos glandulosa subsp. leucophylla A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mts, along trail toward Spitler Peak from the Hurkey Crk camp to Bonita Vista road. 1707 Comment
  RSA629415  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19532 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  JOTR29595  Arctostaphylos glauca Andre, Jim 2006-4-26 6775 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
  POM158433  Arctostaphylos glauca P. A. Munz 1927-5-21 10852 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA604867  Arctostaphylos glauca Scott D. White 1995-12-24 3801 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  RSA631746  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19261 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631849  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20177 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 3 km south of Pinyon Pines, Santa Rosa Mountains. 1350 Comment
  SBBG21961  Arctostaphylos glauca R. F. Thorne with J. Olmstead 1963-7-26 32817 Riverside Trabuco District, Cleveland Nat Forest 304 Comment
  UC63819  Arctostaphylos glauca H. M. Hall May 1897 518 Riverside at lower altitudes and on Juniper Hill San Jacinto Mountains Comment
  RSA633527  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20112 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633746  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21791 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA634368  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-7-16 16641 Riverside Road to Santa Rosa Mountain (7S02), 4.0 km south of Highway 74. 1625 Comment
  CAS-BOT-BC44366  Arctostaphylos pringlei subsp. drupacea S. B. Parish; W. F. Parish 1882-6-1 936 Riverside San Jacinto Mt. Comment
  POM306142  Arctostaphylos pringlei subsp. drupacea Henry J. Ramsey, Henry J. Ramsey 1937-5-30 I- 333 Riverside Santa Rosa Mountains. Comment
  RSA396112  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA59196  Arctostaphylos pringlei subsp. drupacea Frank W. Gould 1943-4-18 2135 Riverside 8 miles east [NW] of Idyllwild Comment
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Sep 29 2011
  UCD105733  Arctostaphylos pringlei subsp. drupacea K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 15 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  SEINET11977832  Arctostaphylos pringlei subsp. drupacea A. E. Wieslander 1938-1 821 Riverside Idyllwild, Strawberry Valley 168 Comment
  POM367447  Arctostaphylos pungens Albert J. Perkins 3303 Riverside Idyllwild region Comment
  RSA635772  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16728 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635789  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16526 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635996  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21608 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636159  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18813 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SDSU17430  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 396 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UCR194827  Arctostaphylos rainbowensis Scott D. White, J. Wood 2007-4-16 11654 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  UCR12531  Arctotis fastuosa Charlene McHaney 1972-5-1 s.n. Riverside large field on Florida Street, Valle Vista, near Hemet 559 Comment
  RSA0122711  Argyrochosma jonesii Duncan S. Bell, LeRoy Gross 2016-3-30 9149 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
  JOTR35091  Aristida adscensionis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3542 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  UCD56395  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside south end of Coxcomb Mountains, 8 miles northeast of Desert Center. Comment
  UCD56427  Aristida adscensionis D. C. Finfrock 1951-5-10 s.n. Riverside 10 miles west of Blythe, Highway 60-70 at Black Rock. 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
  RSA27422  Aristida adscensionis var. abortiva C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring. Comment
  JOTR35934  Aristida purpurea var. fendleriana De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6882 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  UCD56564  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Colorado Desert, Salt Creek Wash. 152 Comment
  SEINET10821138  Artemisia californica David B. Dunn 1948-1-25 Dunn 3644 Riverside Found 1/4 mile NW of Highway Junction near March Field east of Riverside. Comment
  UC29690  Artemisia douglasiana H. M. Hall 1901-8-1 2633 Riverside south side San Jacinto Mountains 1524 Comment
  UCR163793  Artemisia douglasiana 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
  IRVC493  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 391 Riverside Summit Toro Peninsular Ranges, Santa Rosa Mountains 2652 Comment
  RSA736852  Artemisia ludoviciana Scott D. White, Angelia Carey 2004-7-2 10595 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM244867  Artemisia tridentata E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood, south of Hemet 976 Comment
  LA202958  Artemisia tridentata subsp. tridentata Harlan Lewis; 1939-10-22 1034 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  RSA97780  Artemisia tridentata subsp. tridentata Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  RSA645934  Asclepias eriocarpa Scott D. White 1999-6-8 7455 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  SEINET955306  Asclepias eriocarpa Al Grable 1976-1 6497 Riverside San Jacinto Mountains, San Bernardino National Forest. Near May Valley Road (PC 2000) between South Ridge Trail and locked gate at edge of private land. 1646 Comment
  RSA4914  Asclepias erosa C. B. Wolf 1932-4-28 3076 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
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Mar 26 2011
  RSA502495  Asclepias erosa Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3736 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA525295  Asclepias erosa W. Wisura 1991-4-28 4488 Riverside 20.6 mi. N of Desert Center along Rice Road in Creosote Bush Scrub. Comment
  UCR34993  Asclepias fascicularis L. B. Ziegler 1964-7-14 037 Riverside San Jacinto Mtns, Garner (Hemet) Valley 1375 Comment
  SBBG58653  Asclepias subulata S. W. Hutchinson -Feb-1927 10 Riverside Box Cyn 121 Comment
  UCSB11461  Asclepias subulata Dearing, Hugh; Dearing, Margaret 1940-11-10 Riverside 1000 Palm Canyon, Colorado Desert Comment
  CAS-BOT-BC65784  Aspidotis californica F. M. Reed 1908-2-1 2236 Riverside Riverside Comment
  RSA5226  Aster alpigenus var. andersonii C. B. Wolf 1932-8-5 3953 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  CAS-BOT-BC177464  Astragalus aridus P. A. Munz; D. Keck 1922-4-8 4739 Riverside Mecca, Colorado Desert -30 Comment
  CAS-BOT-BC177465  Astragalus aridus H. M. Hall 1905-4-1 5826 Riverside Near Indio 0 Comment
  RSA0029395  Astragalus aridus Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4681 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA800104  Astragalus aridus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4767 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  SD134669  Astragalus aridus Craig Reiser 1993-3-16 Riverside Coachella Valley near Thousand Palms, not far from Washington Street interchange on Highway 10 Comment
  SEINET3130821  Astragalus coulteri G. B. Grant 1906-1 77 a-6747 Riverside Palm Springs, on Colorado Desert Comment
  CAS-BOT-BC177734  Astragalus crotalariae Ira L. Wiggins 1941-3-24 9580 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  CAS-BOT-BC177735  Astragalus crotalariae John Thomas Howell 1928-3-25 3549 Riverside Indio, Colorado Desert Comment
  CHSC823  Astragalus crotalariae E. Thomas 1940-3-3 Riverside Coachella Valley. -30 Comment
  UCR144403  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  RSA775122  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5025 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
  UC862976  Astragalus douglasii var. douglasii Marcus E. Jones, A. M. 1882-4-24 3166 Riverside San Jacinto Comment
  LA204956  Astragalus douglasii var. parishii Darlean Wagner; 1954-5-22 sn Riverside by glen on other side of Fullmer [Fulmor] Lake Comment
  UC13446  Astragalus douglasii var. parishii H. M. Hall May 1899 1158 Riverside Van de Venter's San Jacinto Mountians, El Toro Region, Van de Venter's (in the El Toro Region, San Jacinto Mountains) 1371 Comment
  CLARK-A1528-2743  Astragalus gambelianus John C. Roos 1952-5-19 5689 Riverside Moreno 487 Comment
  UCR228835  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  CAS-BOT-BC186902  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside 15 mi. s. of Rice, on dirt road to Blythe 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
  UCR86648  Astragalus lentiginosus var. coachellae A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16257 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  JOTR16677  Astragalus lentiginosus var. variabilis Walters, Jim 1967-3-11 s.n. Riverside Joshua Tree National Park. 1/2 MILE NORTH SQUAW TANK 1219 Comment
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Jun 16 2013
  RSA73531  Astragalus lentiginosus var. variabilis D. D. Keck, H. G. Baker, P. Dansereau, H. Nordenskiold 1949-4-23 6249 Riverside 6 miles N. of Desert Center on road to Rice, eastern Colorado Desert. Comment
  POM229797  Astragalus leucolobus P. A. Munz 1937-5-30 15134 Riverside Santa Rosa Peak. 2409 Comment
  RSA125538  Astragalus leucolobus R. Weatherby 1949-6-6 659 Riverside Santa Rosa Mountain. 1982 Comment
  SEINET7063054  Astragalus nuttallii A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  CAS-BOT-BC192824  Astragalus pomonensis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside Pasture of 1 mi. West of San Jacinto Comment
  CAS-BOT-BC192825  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  CAS-BOT-BC194128  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside 3 miles west of Beaumont near junction. Comment
  RSA415662  Astragalus pomonensis H. E. Hasse 1892-07 s.n Riverside San Jacinto. Comment
  UC536841  Astragalus pomonensis M. E. Jones 1933-4-5 Riverside Hemet Comment
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Mar 24 2011
  UC863012  Astragalus pomonensis C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  UCR111970  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  POM26330  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA415845  Astragalus tricarinatus Ralph Hoffmann 1929-9-13 s.n. Riverside Colorado Desert, Riverside. Comment
  UC218672  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  RSA606389  Athysanus pusillus Jon E. Keeley 1994-4-7 25288 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  UCR21906  Athysanus pusillus Steve Boyd 1980-5-3 170 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  CAS-BOT-BC98814  Atrichoseris platyphylla Mrs. Jos Clemens 1922-4-10 s.n. Riverside Mecca Comment
  UCR51785  Atrichoseris platyphylla Geo. Cantwell 1935-4-8 s.n. Riverside Sonoran (Colorado) Desert, McCoy Spring, McCoy Mountains Comment
  CLARK-A1528-1189  Atriplex canescens John C. Roos 1946-9-2 2987 Riverside Moreno Valley Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UC1136265  Atriplex canescens H. S. Yates 1936-4-7 5414 Riverside Palm Springs San Jacinto Quad., Palm Springs Comment
  CAS-BOT-BC170230  Atriplex canescens subsp. linearis Carl B. Wolf 1932-10-13 4324 Riverside NE side of Salton Sea, at Durmid, NE side of S.P.R.R. tracks - Colorado Desert -60 Comment
  POM202642  Atriplex canescens var. laciniata W. M. Ingram 1934-10 2 Riverside 6 miles southwest [southeast] of Whitewater Highway 99, Colorado Desert. Below sea level. Comment
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Dec 11 2011
  RSA520929  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside California Dept. of Fish and Game, San Jacinto Wildlife Area. Populations are found just west of the old San Jacinto river channel and adjacent to the first waterfowl pond. 476 Comment
  RSA532564  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2178 Riverside 1.4 km west of Nuevo and some 10 m. south of the end of the 12th street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  SEINET3931219  Atriplex coronata var. notatior John Roos 1952-1 Riverside Comment
  RSA537267  Atriplex coulteri D. E. Bramlet 1991-5-10 2149 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
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Feb 3 2015
  UCR274331  Atriplex elegans Mitch Provance 2012-7-11 612- 63 Riverside Badlands of Western Riverside County, Beaumont, S side of 4th St., near Risco Circle 773 Comment
  RSA784951  Atriplex hymenelytra Duncan S. Bell 2012-2-12 3109 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CAS-BOT-BC170069  Atriplex parishii H. M. Hall 1901-6-1 2146 Riverside Eastern base, along the borders of the Colorado Desert. Comment
  UCR121206  Atriplex rosea D. E. Bramlet, D. J. Bradney 1989-7-3 1930 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  UCR167833  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR232781  Avena fatua John F. Green 2008-4-16 0408- 30 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR82243  Avena fatua J. M. Stewart 1994-5-2 863 Riverside Western Colorado Desert, Coachella Valley, Thermal, Tyler St. and Avenue 66 Comment
  RSA595274  Avena fatua D. L. Banks, Victor Steinmann 1996-4-20 895 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  CLARK-A1528-5449  Baccharis emoryi John C. Roos 1948-11-6 4077 Riverside Box Springs Mountains Comment
  RSA736238  Baccharis emoryi Scott D. White, Jonathan Campbell 2008-4-18 11900 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area. 274 Comment
  CAS-BOT-BC106702  Baccharis salicifolia L. R. Abrams 1926-3-26 11069 Riverside Palm Canyon Comment
  JOTR29284  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 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
  UC1871349  Baccharis salicina Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8200 Riverside Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). T6S R5W W/2 SE/4 sec. 22. E/2 NW/4 sec. 27. Elev. 2880 - 2480 ft. Comment
  UC484085  Baccharis salicina C. B. Wolf 1931-3-13 Riverside 2 mi n Blythe 152 Comment
  IRVC510  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-1 SJ 160 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  UC496518  Baccharis sergiloides P. A. Munz 1932-10-16 12843 Riverside along road to Deep Canyon to Vandeventer Flat Santa Rosa Mts. 1066 Comment
  UCR19179  Baccharis sergiloides John C. Roos 1948-9-14 3003 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  HSC25084  Bahiopsis parishii Richard Spjut 1972-2-1 2168 Riverside Colorado Desert: N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center; Providence Mtns., Morongo Basin and also along the W border of the Colorado Desert 305 Comment
  POM10252  Bahiopsis parishii Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  POM172024  Bahiopsis parishii Philip A. Munz 1930-5-1 11924 Riverside One mile east of Cabazon Comment
  RSA1081  Bahiopsis parishii J. T. Howell 1927-4-1 527 Riverside Mission Creek, Colorado Desert 610 Comment
  CAS-BOT-BC99962  Baileya pauciradiata N. Aitkenhead 1977-2-1 2110 Riverside 1000 Palms Sand Dune Natural Area Comment
  POM350663  Baileya pauciradiata N. C. Cooper 1949-3-15 3032 Riverside Palm Springs 122 Comment
  UCR41337  Bebbia juncea N. M. Fellows 1984-11-12 26 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. 489 Comment
  SEINET10616170  Bebbia juncea David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2869 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100123  Bebbia juncea var. aspera M. McCollum 1976-6-10 2009 Riverside 8 mi SSW of Yucca Valley 914 Comment
  CAS-BOT-BC100128  Bebbia juncea var. aspera F. Grinnell 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CHSC95388  Bebbia juncea var. aspera R. Kobaly; Singer, A., Spurrier, C., Thompson, D., Way, M. J. 2001-6-12 1 Riverside Riverside County. White Water Canyon. 4.8km north of Highway 10 SBBM, San Gorgonio Wilderness. 570 Comment
  UC665555  Bebbia juncea var. aspera Annie M. Alexander and Louise Kellogg 1941-5-12 2158 Riverside road to Black Eagle Mine (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains 777 Comment
  CLARK-A1528-100  Beloperone californica Charlotte Stocks 1964-9-11 Riverside La Quinta Comment
  UCR17557  Bergia texana John C. Roos 1952-5-28 5730 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR266819  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  LA204860  Bernardia incana Carl Epling; May 1938 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  POM172733  Bernardia incana M. French Gilman 1930-4-6 9 Riverside [Monsen] Canyon, Eagle Mts. Comment
  POM299247  Bernardia incana Louise Kellogg, Annie M. Alexander 1941-5-23 2220 Riverside North slope of Eagle Mountains. Base of mountain and up canyon to 4500 feet, altitude 3800 feet near mouth of canyon. 1159 Comment
  UCD142299  Bernardia incana Nancy Ryan Zabriskie; Walter Zabriskie 1972-4-9 511 Riverside Sta. Rosa Mts.; small canyon NW from Hwy 74 at 81.72. 1219 Comment
  NY43196  Bernardia myricifolia J. B. Walker 1995-5-3 1405 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  HSC78731  Blennosperma nanum var. nanum A. C. Sanders, T. Glenn 1983-4-17 3728 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  CSUSB941  Bloomeria crocea Mark Eutenier 1973-5-30 730530 4 Riverside Box Springs Road, side canyon running east-west from main canyon 50 yards north of tower and Big "C", 50 yards east of main canyon 5 feet up north facing slope. 548 Comment
  UC3232  Bloomeria crocea H. M. Hall 1901-6-1 2101 Riverside San Jacinto Mountains; s side 1463 Comment
  SD51942  Bloomeria crocea var. crocea Reid Moran 1962-7-7 9864 Riverside Damp soil near Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  RSA0093773  Boerhavia coulteri Duncan S. Bell 2015-9-30 8681 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR57890  Boerhavia intermedia J. M. Stewart 1989-9-17 603 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  UCD170133  Boerhavia triquetra var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target. 680 Comment
  JOTR38528  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 298 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  RSA683912  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Maniobra Valley, Chiraco Summit Road off I-10. 517 Comment
  UCR275582  Bolboschoenus maritimus subsp. paludosus T. B. Salvato 2005-6-13 605- 13 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  JOTR29180  Bouteloua aristidoides var. aristidoides La Doux, Tasha 2003-9-24 1257 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  SEINET4560370  Bouteloua barbata Aaron C. Sedwick, Cody Leslie 2012-1 120 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~ 3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft 243 Comment
  CAS-BOT-BC145608  Bouteloua barbata var. barbata Geo. B. Grant 6737 Riverside Palm Springs. Comment
  JOTR30752  Bouteloua barbata var. barbata La Doux, Tasha, Jim Andre 2007-9-6 135 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UCR41245  Bowlesia incana N. M. Fellows, A. C. Sanders 1985-4-9 139 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  CHSC25967  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill. 670 Comment
  CLARK-A1528-5384  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  JEPS121589  Brandegea bigelovii Adam C. Schneider with Will Freyman 2014-2-16 397 Riverside Box Canyon Road. Comment
  SFV17327  Brandegea bigelovii J. N. Hogue, J. D. Dilley (271) 1998-4-23 108 .1 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR130116  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA0009725  Brandegea bigelovii Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  SDSU2623  Brassica tournefortii D. F. Howe 1949-3-21 Riverside 12 mi. west of Blythe. 122 Comment
  UC1929787  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UC2015553  Brassica tournefortii A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15997 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCD114700  Brassica tournefortii Robert F. Thorne; W. A. Tilforth 1980-5-28 54198 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 609 Comment
  UCR130125  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA0042798  Brassica tournefortii A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Cyn. 426 Comment
  UC86159  Brickellia atractyloides S. B. and W. F. Parish 1882-1-1 1210 Riverside Agua Caliente Comment
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Nov 24 2011
  CAS-BOT-BC106336  Brickellia atractyloides var. arguta Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  RSA13779  Brickellia californica C. W. Tilforth, John Dourley 1970-10-16 316 Riverside Along and above intermittent stream bed, road to Santa Rosa Mtn. Comment
  CLARK-A1528-1671  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Eagle Mountains Comment
  CLARK-A1528-5454  Brickellia desertorum John C. Roos, Lucille Roos 1950-9-30 4996 Riverside Riverside 396 Comment
  UC1010240  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside dry hills at n end of Perris Blvd., Sunnymead Sunnymead 612 Comment
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Jul 21 2010
  UCR25197  Brickellia desertorum John C. Roos 1950-12-2 5029 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  UC30715  Brickellia oblongifolia var. linifolia H. M. Hall 1901-6-1 2142 Riverside San Jacinto Mountains Comment
  UCR218078  Brodiaea filifolia Steve Boyd 2010-6-9 12289 Riverside Santa Ana Mountains, San Mateo Canyon, along trail from Tenaja Falls trailhead south towards Fisherman's Camp, upstream from first crossing of creek 378 Comment
  UCR260846  Bromus arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41412 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
  CAS-BOT-BC149441  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 914 Comment
  JOTR33668  Bromus berteroanus La Doux, Tasha 2005-9-1 1594 Riverside Joshua Tree National Park. Eagle Mountains, northwest end; 3.5 miles north of Cottonwood Visitor Center; granitic outcrops with sandy wash Comment
  UC37582  Bromus carinatus var. carinatus H. M. Hall June, 1901 2226 Riverside in the vicinity of Strawberry Valley; San Jacinto Mountains 1615 Comment
  POM112746  Bromus diandrus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR90825  Bromus diandrus A. C. Sanders, G. K. Helmkamp 1996-3-17 17988 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  UCR91486  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3970 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
  RSA192235  Bromus hordeaceus E. W. Lathrop 1966-5-15 6319 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  JOTR37493  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-4-6 622 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  RSA1446770  Bromus marginatus William McKinley Klein 1960-8-22 1586 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  SEINET14423552  Bromus mollis M. Fellows 1983-5-9 Riverside Just W of the UCR Herbarium Comment
  SEINET258474 Image available Bromus orcuttianus var. hallii Unknown 1990-6-25 679 Riverside San Jacinto Mtns., ca 3 km SE of Pine Cove on San Bernardino NF Rd 5S10 1830 Comment
  UCR92322  Bromus rubens Scott D. White 1995-3-30 2629 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  UCR98205  Bromus rubens B. G. Pitzer 1997-4-1 3046 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA776209  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 879 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  SDSU964  Bromus tectorum A. H. Gallup 1948-6-12 203 Riverside At Idylwild along road, San Jacinto Mts, Pacific slope 1829 Comment
  CLARK-A1528-4562  Bromus trinii John C. Roos 1942-5-2 1120 Riverside Little San Bernardino Mountains Comment
  UC1929343  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  RSA444311  Caesalpinia virgata Walter Wisura 1988-3-1 4181 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA658621  Caesalpinia virgata Nancy J. Mann 1976-4-25 s.n. Riverside Box Canyon, Box Canyon Raod, from I-10 to Mecca. Growing on rocky hillsides abouve road cut. Comment
  UC68502  Caesalpinia virgata H. M. Hall Apr. 1905 5779 Riverside 10 mi. w. Coachella 91 Comment
  UCR128170  Calamagrostis koelerioides Michael Honer 2003-5-15 1848 Riverside Santa Ana Mountains, Rainbow area, just north of San Diego County boundary and west of the I-15 Freeway 518 Comment
  CAS-BOT-BC438494  Calandrinia ciliata Munz; Harwood 1920-2-28 3268 Riverside 2 mi S.W. of Corona 304 Comment
  CAS-BOT-BC438495  Calandrinia ciliata E. W. Lathrop 1959-4-1 4393 Riverside 18 miles S.W. of Elsinore. Tenaja Canyon. Comment
  UCR96894  Calandrinia ciliata Scott D. White 1993-3-12 1154 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  SBBG120003  Calandrinia menziesii A. C. Sanders, K. Volansky 2005-3-17 29238 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
  RSA0000326  Calochortus palmeri var. munzii Philip A. Munz, Percy C. Everett 1950-6-23 14915 Riverside 2 mi. n.w. of Pipe Creek, south end of San Jacinto Mts. 1402 Comment
  SBBG22940  Calochortus plummerae H. and M. Dearing 1940-6-9 4362 Riverside E of Hemet Comment
  UCR261691  Calochortus weedii var. weedii Dick Newell, Judy Booth 2014-6-22 380 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. NW of the Morgan Trailhead 872 Comment
  UC963813  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside ca. 5 mi ne of, Joshua Tree National Monument Cottonwood Springs; Mojave Desert, Smoke Tree Wash 853 Comment
  JOTR33983  Calyptridium monandrum La Doux, Tasha, M. Harding 2010-4-7 2871 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR103903  Calyptridium monandrum B. G. Pitzer 1997-4-11 3109 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  RSA422203  Calystegia macrostegia subsp. arida G. R. Johnstone 1934-3-27 18570 Riverside Near Wildomar. Inland route to Temecula. Comment
  SBBG5764  Calystegia macrostegia subsp. cyclostegia H. and M. Dearing 1937-4-12 1305 Riverside Lake Elsinore Comment
  RSA552687  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Orlando Mistretta, Bob Boyd 1992-2-26 6695 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA525284  Calystegia macrostegia subsp. macrostegia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4598 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC221318  Calystegia macrostegia subsp. tenuifolia Peter H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs Comment
  UC23163  Calystegia macrostegia subsp. tenuifolia Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley San Jacinto Valley (Southern California) Comment
  RSA584032  Calystegia occidentalis subsp. fulcrata T. S. Ross, Karl E. Holte, A. R. Ross 1993-5-30 7345 Riverside San Mateo Canyon Wilderness Area, Cleveland National Forest; Tenaja Canyon (sometimes considered a part of the Santa Margarita Mts.). 488 Comment
  CAS-BOT-BC199280  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UCR241181  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 11 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA465920  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  RSA593995  Camissonia bistorta D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0939 A Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR162765  Camissonia bistorta 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
  UCR4125  Camissonia bistorta Ronald M. Cope 1965-5-2 s.n. Riverside Box Springs Mtns., W side of Pigeon Pass, 7 mi. north of freeway (State Hwy 60), on Box Springs Mountain 610 Comment
  UCR43755  Camissonia bistorta A. C. Sanders, B. Pitzer 1986-4-30 6489 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  RSA766633  Camissonia boothii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 165 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  UCR10926  Camissonia boothii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  UCR233165A  Camissonia boothii subsp. condensata Jim Andre, Glenn L. Clifton 2011-2-22 17446 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR256335  Camissonia brevipes Duncan S. Bell 2012-3-18 3214 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  JOTR31893  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2143 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  RSA444553  Camissonia brevipes subsp. brevipes Walter Wisura 1988-3-1 4197 Riverside Colorado Desert. 4.7 miles from Interstate 10 along Box Canyon Road toward Mecca, in gravelly bajada. Comment
  RSA550353  Camissonia brevipes subsp. brevipes Walter Wisura, J. Dolan, M. Wall 1992-3-24 4635 Riverside 13.1 miles NE of Mecca on Box Canyon Road. Comment
  UCR233158A  Camissonia brevipes subsp. brevipes Jim Andre, Glenn L. Clifton 2011-2-22 17453 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR96880  Camissonia californica Scott D. White 1993-3-12 1183 Riverside Near Winchester 466 Comment
  SEINET10492051  Camissonia cardiophylla David B. Dunn 1948-2-21 Dunn 3665 Riverside Pushawalla; a rain about two weeks earlier in wash. Hills still quite dry. Comment
  UCR275137  Camissonia claviformis David Fraker, Aaron C. Sedgwick 2012-4-4 063 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  RSA135226  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11417 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
  RSA135288  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside Desert Canyon bottom on road to Cottonwood Springs 4.5 miles north of State Highway 195. Comment
  RSA790630  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 5 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  SDSU3352  Camissonia confusa H. Wedberg 1958-3-31 203 Riverside 10.3 miles south of Hwy 74 in Hemet, on Hwy 79. Comment
  UCR42389  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA500993  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3112 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  UCR120955  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23885 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR121687  Camissonia ignota D. E. Bramlet 1991-5-9 2137 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  UCR214545  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37845 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR256752  Camissonia micrantha T. B. Salvato, Matthew Malle 2013-4-5 7527 Riverside Perris-Aguanga Basin, Sedco Hills, east-facing slope above the intersection of Green Meadow Way and Beverly Street, c. 5 mi east of Lake Elsinore 579 Comment
  RSA680559  Camissonia pallida Scott D. White, Michael Honer 2003-4-30 9143 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA708565  Camissonia pallida Scott D. White, Jennifer H. Jones 2005-5-24 11102 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  RSA49355  Camissonia refracta P. A. Munz 1949-4-11 13011 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  RSA775298  Camissonia refracta Duncan S. Bell 2011-3-18 2059 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  SEINET3406125 Image available Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center. (Sidewindser Well 7.5' Q.) 129 Comment
  UCR88119  Camissonia refracta A. C. Sanders, G. Nuhn 1995-4-20 16584 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA525685  Camissonia strigulosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4556 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  UCR116791  Camissonia strigulosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24155 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA465933  Camissoniopsis pallida subsp. pallida Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  UCR109621  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1971-5-4 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  SEINET10954770  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4663 Riverside Vail Lake Area, Arroyo Seco drainage, canyon bottom at north base of Wild Horse Peak, southeast of Dripping Springs Campground of Cleveland National Forest. T8S, R1W, N 1/2, Sec 26. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Comment
  RSA572422  Carex globosa Christopher Davidson 1977-5-18 5621 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  RSA88679  Carex lemmonii F. W. Peirson 1924-7-27 6024 Riverside Deer Spring, Dark Canyon, San Jacinto Mountains. 2439 Comment
  RSA680828  Carex multicaulis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8653 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  JEPS63682  Carex nebrascensis Carl V. Meyer 1928-7-27 563 Riverside Round Valley San Jacinto Mts., Round Valley 2773 Comment
  RSA741221  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-5 12088 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  CAS-BOT-BC117857  Carex sartwelliana Scott D. White 1996-8-1 4441 Riverside Idyllwild area: N of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1615 Comment
  CHSC106621  Carex sartwelliana P. F. Zika; Nick Otting 2010-8-6 25299 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest. 1910 Comment
  SD136989  Carex spissa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Wildhorse Canyon; from confluence with Los Alamos Canyon upstream approx. 1 mile; common in seepy ground understory of oak woodland on slope in side drainage just above first major waterfall. 410 Comment
  UCR79474  Carex triquetra Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7311 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  POM160613  Castela emoryi Marcus E. Jones 1929-3-9 s.n. Riverside Hayfields Comment
  SEINET3074273 Image available Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. 0.5 miles SW of the pumping station. 410 Comment
  JEPS8585  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3549 Riverside 1 mi n Temescal Guard Station (State Highway 71, 9 mi se of Corona) 335 Comment
  UCR227586  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  RSA400602  Castilleja foliolosa E. Crow 1929-3-17 210 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCSB46696  Castilleja foliolosa Leen, Rosemary 1977-5-22 Riverside San Jacinto Mts; Highway 243 Comment
  POM4334  Castilleja minor subsp. spiralis Crawford, J. M. Johnston 1917-6-9 1222 Riverside Santa Ana River Comment
  CAS-BOT-BC38297  Caulanthus cooperi Annie M. Alexander; Louise Kellogg 1941-5-19 2202 Riverside Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  SEINET3507419 Image available Caulanthus simulans L. F. LaPre 1986-4-17 Riverside Bull Canyon, Gavilan Hills. Comment
  UC10387  Caulanthus simulans H. M. Hall May 1899 1171 Riverside El Toro Mt. San Jacinto Mountains, El Toro Mt. 2133 Comment
  RSA0028168  Ceanothus John F. Emmel 1988-4-27 1084 Riverside Bautista Canyon Road, 8.15 road miles SE of the national forest boundary. 107 Comment
  OBI20188  Ceanothus crassifolius David J. Keil, Malcolm McLeod 1979-3-18 12975 Riverside 1/2 m W of jctn with Riverside cnty rd R-3 along Calif 79 549 Comment
  RSA234078  Ceanothus crassifolius Robert F. Thorne, E. W. Lathrop 1969-6-6 39332 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA575055  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -i 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
  UC1071025  Ceanothus crassifolius A. Lewis 1934-3-4 310 Riverside Tin Mine Canyon Corona quad, Cleveland Nat. For. 670 Comment
  UCR281480  Ceanothus crassifolius Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 80 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  LA42051  Ceanothus cuneatus Mary V. Hood; 1944-4-4 44- 17 -k* Riverside Between Agaunga & Oak Grove 609 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
  UC1931129  Ceanothus cuneatus Scott D. White, Justin Wood 2008-6-18 12251 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Highway 79 (Idyllwild). Comment
  POM254878  Ceanothus integerrimus W. Pequegnat 1940-7-1 5691 Riverside Santiago Peak. 1735 Comment
  LA42071  Ceanothus leucodermis H. L.; 1937-6-4 sn Riverside San Jacinto 609 Comment
Read comments
Mar 12 2014
  RSA569982  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7917 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SD136769  Ceanothus ophiochilus Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 A Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain (Type locality for species0 609 Comment
  RSA769824  Ceanothus palmeri E. W. Lathrop 1969-5-9 7033 Riverside Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1220 Comment
  SBBG4268  Ceanothus perplexans M. Van Rensselaer 1937-7-21 Riverside W of Vandeventer Flat Comment
  UCR81115  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR22109  Centaurea melitensis Steve Boyd 1980-5-28 305 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR274198  Centaurea melitensis T. B. Salvato, Melissa Clemons 2005-6-6 1417 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
  RSA522287  Centaurea repens Steve Boyd 1989-7-6 3758 Riverside open field S of Jurupa, E of intersection with Van Buren Ave. Comment
  UCR140877  Centaurea repens Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside San Timoteo Canyon, 3.2 miles SE of Redlands Blvd., across road from historic schoolhouse, between RR tracks and creek, NE of El Casco Lakes 579 Comment
  UC444846  Centaurium venustum Fred M. Reed 1903-8-29 435 Riverside near Chinatown (Riverside and vicinity); Riverside, Santa Ana River Comment
  UCR135857  Centaurium venustum A. C. Sanders 2004-4-20 27529 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  HSC80293  Centromadia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Keith Rd. near (just E of) Bear Creek golf course Comment
  RSA689431  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -248 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  RSA707580  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  RSA405364  Cercidium floridum N. C. Cooper 1949-6-29 4288 Riverside Palms to Pines Hwy, San Jacinto Mts. 305 Comment
  RSA498417  Cercidium floridum F. W. Peirson 1919-4-15 575 Riverside Palm Springs. Large tree S of town. Comment
  CLARK-A1528-4051  Cercocarpus betuloides K. R. Montgomery 1969-9-6 Riverside Reed Valley 1219 Comment
  SDSU13940  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
  SDSU13518  Chaenactis artemisiifolia W. Miller with C. Mosse 1972-7-12 Riverside West of M.W. D. Station. Comment
  UCR154449  Chaenactis artemisiifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30960 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
  RSA676147  Chaenactis carphoclinia Scott D. White 2001-4-12 8306 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  UCSB37396  Chaenactis carphoclinia Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns; Corn Springs Wash 457 Comment
  JOTR31970  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2207 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  POM13309  Chaenactis carphoclinia var. carphoclinia E. C. Jaeger 1921-3-20 1073 Riverside Box Canyon, Colorado Desert. Comment
  RSA735324  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11291 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC894420  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-5-29 1756 Riverside nr Mecca; Painted Canyon -48 Comment
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Mar 24 2009
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UCR75051  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, E. Lawlor 1992-4-4 12106 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC276906  Chaenactis fremontii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  RSA775626  Chaenactis fremontii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1006 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets 396 Comment
  UC572543  Chaenactis fremontii H. S. Yates 1937-3-23 6395 Riverside 2 mi n of Palm Springs; San Jacinto 213 Comment
  UCR213851  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  RSA396471  Chaenactis glabriuscula var. glabriuscula Walter Wisura 1987-5-21 4152 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  UC31038  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2056 Riverside vicinity of Chalk Hill; San Jacinto Mountains, Chalk Hill 1524 Comment
  UCR122543  Chaenactis glabriuscula var. glabriuscula George K. Helmkamp, E. A. Helmkamp 2001-5-20 6673 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  SD247316  Chaenactis stevioides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7303 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  UC494758  Chaenactis stevioides C. L. Hitchcock 1932-4-8 12215 Riverside 1 mi w of Cottonwood Spring Comment
  UCR240511  Chamaesyce abramsiana Tim Thomas 2012-8-23 5874 Riverside Sonoran (Colorado) Desert, west-northwest of Blythe on east side of McCoy Mountains, 5 mi north of Hwy I-10 168 Comment
  UC71990  Chamaesyce albomarginata Miss M. A. King 1893-1 Riverside Menifee Comment
  HSC8028  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA775497  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4415 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA487533  Chamaesyce polycarpa var. polycarpa B. Pitzer 1988-3-10 644 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA627499  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1965-6-27 8693 Riverside Tin Mine Canyon. Comment
  RSA552708  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross 1992-2-21 6664 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  RSA586048  Cheilanthes clevelandii Darin L. Banks, Steve Boyd 1995-3-16 100 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 554 Comment
  JOTR30987  Cheilanthes covillei La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1965 Riverside Joshua Tree National Park. (Stop 3) Hexie Mountains, slopes above Blue Cut Gorge Comment
  UC667375  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-4 2119 Riverside Barker Dam; Joshua Tree Nat'l Monument 1322 Comment
  POM301706  Cheilanthes newberryi J. C. Roos 1938-5-2 1412 Riverside hills near La Sierra, western Riverside Co. Comment
  UCR113893  Cheilanthes newberryi Mitch Provance 1998-4-14 444 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  CAS-BOT-BC70337  Cheilanthes parryi Marcus E. Jones 1930-3-15 26517 Riverside Eagle mountains Comment
  RSA33516  Cheilanthes parryi Norman C. Cooper 1944-4-8 1084 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA685818  Cheilanthes parryi Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  RSA718776  Cheilanthes parryi Michael Honer, L. Hulse 2004-4-3 1925 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  UC688907  Cheilanthes parryi John Thomas Howell 1927-8-1 2886 Riverside Morongo Canyon; Colorado Desert 609 Comment
  POM9749  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  RSA0123693  Cheilanthes viscida Duncan S. Bell, LeRoy Gross 2016-3-30 9159 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
  UC668386  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-24 2083 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  RSA0106273  Chenopodium ambrosioides Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  POM319738  Chenopodium berlandieri Patricia Wilder 1970-10-15 4791 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  RSA33868  Chenopodium berlandieri var. sinuatum N. C. Cooper 1943-9-10 914 Riverside Banning. 610 Comment
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Jul 6 2013
  RSA78287  Chenopodium fremontii P. A. Munz, E. K. Balls 1952-8-21 17968 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  UCR233147A  Chenopodium murale Jim Andre, Glenn L. Clifton 2011-2-22 17465 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR197292  Chenopodium pumilio Mitch Provance 1998-7-23 912 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  CLARK-A1528-2280  Chilopsis linearis John C. Roos 1952-6-21 5783 Riverside San Timoteo Canyon Comment
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Oct 22 2014
  CSUSB730  Chilopsis linearis Vicki Barnum 1968-5-17 S. N. Riverside Palm Springs. Side of mountain, San Jacinto, 1/4 mile from Tram Way parking lot on side of road. 701 Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  RSA764302  Chilopsis linearis Doris Bowers 1966-10-16 792 a Riverside Salton Sea - Painted Canyon 0 Comment
  SD255117  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 285 Comment
  UCSB47186  Chilopsis linearis Hornemann, D. 1977-2-27 Riverside Box Canyon Wash 60 Comment
  SEINET9118971  Chilopsis linearis E. Adams 1978-1 Riverside Mecca, Box Canyon. Desert wash. Comment
  CHSC132  Chilopsis linearis subsp. arcuata V. Holt 1954-4-16 Riverside Painted Canyon n. of Salton Sea -30 Comment
  RSA125464  Chilopsis linearis subsp. arcuata E. K. Balls, P. C. Everett 1957-8-20 22665 Riverside Morongo Canyon, 9 1/4 mi n. along rd. to 29 palms for jct. with U.S. Hwy. 60/70/99 671 Comment
  RSA19547  Chilopsis linearis subsp. arcuata Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 S.N. Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCD19431  Chloris truncata Michael D. Rethwisch 2001-8-30 s.n. Riverside Alfalfa fields ca. 5.5 miles north of Blythe (near 2nd Ave.). 83 Comment
  RSA0049539  Chlorogalum parviflorum Steve Boyd, David E. Bramlet 1990-4-29 4512 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA676158  Chorizanthe brevicornu Scott D. White 2001-4-3 8256 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR72194  Chorizanthe brevicornu Theo Glenn 1991-5-20 91- 104 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  HSC78585  Chorizanthe corrugata G. K. Helmkamp 1983-3-24 3838 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd. 335 Comment
  UCR281005  Chorizanthe fimbriata Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 58 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  SDSU4926  Chorizanthe fimbriata var. fimbriata H. Wedberg 1962-5-23 933 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Jan 24 2013
  SEINET7249062  Chorizanthe leptotheca Lee A. Ripma 2008-1 Riverside Comment
  UCR174426  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32512 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
  UCR216954  Chorizanthe parryi var. parryi John Dvorak, Karyn L. Drennen 2010-5-10 03 Riverside Perris-Aguanga Basin, French Valley, Warm Springs. ~35m north of creek and ~300m northwest of Maxmillian Ave. 385 Comment
  UCR120854  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-13 2321 Riverside 518 m north of Cajalco Road at a point 976 m east of its intersection with La Sierra Ave., 244 m north of dirt access road 439 Comment
  UCR217541  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-4 391 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  UCR135848  Chorizanthe procumbens A. C. Sanders 2004-4-20 27536 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR217517  Chorizanthe procumbens var. albiflora Lee A. Ripma 2008-5-7 93 Riverside Santa Ana Mtns, San Mateo Canyon, 1.3km northwest of Wildomar Rd, west of Tenaja trail 661 Comment
  CAS-BOT-BC246234  Chorizanthe rigida John H. Thomas 1957-3-30 6530 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
  CAS-BOT-BC246235  Chorizanthe rigida John H. Thomas 1957-3-30 6560 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  RSA0121420  Chorizanthe rigida Duncan S. Bell, LeRoy Gross 2016-3-31 9191 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA559921  Chorizanthe rigida Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6910 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA522757  Chorizanthe staticoides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3864 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
  UCR49769  Chorizanthe staticoides D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  SEINET6894766  Chorizanthe staticoides W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  UCR269873  Chylismia arenaria A. C. Sanders, Jim Malusa 2016-3-18 42372 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA0034157  Chylismia cardiophylla subsp. cardiophylla M. Bourell 04141987 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  SBBG5103  Chylismia claviformis subsp. aurantiaca K. K. Muller 1958-3-22 915 Riverside Hwy 60, 7 mi E of Desert Center Comment
  JOTR31103  Cirsium neomexicanum La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2361 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Open gravelly slopes with sandy wash at base leading to Ryan Mountain campground (Stop 6) Comment
  UC61517  Cirsium neomexicanum L. D. Copeland Apr 1904 Riverside West Canyon, palm Springs Comment
  CAS-BOT-BC289650  Cirsium occidentale var. californicum John Thomas Howell 1931-6-4 6645 Riverside Summit of Jackrabbit Trail Comment
  UCR202002  Cirsium occidentale var. californicum Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  POM10027  Cistanthe monandra Charlotte M. Wilder 1904-5-14 37 Riverside Wilders Canyon, Jurupa Hills, Comment
  RSA516877  Cistanthe monandra Steve Boyd 1986-3-1 1359 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  POM122441  Clarkia dudleyana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  POM3017  Clarkia dudleyana H. M. Hall 1901-06 2265 Riverside In San Jacinto Mountains, canyons of the west side. 1524 Comment
  UCR133448  Clarkia dudleyana Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 451 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR177939  Clarkia dudleyana Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 529 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  POM128358  Clarkia epilobioides Thomas Craig 1927-4-23 213 Riverside Glen Ivy. Comment
  UC20315  Clarkia epilobioides Mrs. Gregory 1892-1 Riverside San Jacinto San Jacinto Comment
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Jul 22 2010
  UC20332  Clarkia purpurea subsp. quadrivulnera H. M. Hall July, 1901 2262 Riverside Fuller's Mills Mountains San Jacinto Mountains 1584 Comment
  UC76443  Clarkia purpurea subsp. quadrivulnera Miss M. Alice King April 1893 Riverside Menifee Comment
  RSA771878  Clarkia similis Steve Boyd 2010-5-28 12288 Riverside Elsinore Peak, northern flank of knoll south of peak, south of Main Divide Road 1037 Comment
  UCR174072  Claytonia parviflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32586 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
  UCR151426  Claytonia parviflora subsp. parviflora D. L. Banks 1997-3-29 1582 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  POM11521  Claytonia parviflora subsp. utahensis P. A. Munz 1922-6-30 5909 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR265590  Claytonia rubra Jordan Zylstra 2014-3-23 14015 Riverside San Jacinto Mountains, south of K-Flat, west of Apple Canyon Road 1463 Comment
  SD136775  Clematis ligusticifolia Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7676 Riverside San Mateo Canyon Wilderness, Upper San Mateo Canyon, top of Tenaja Falls 671 Comment
  POM48321  Clematis pauciflora E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  CSUSB872  Clytostoma callistegioides Paul E. Peterson, O. F. Clarke 1968-10-2 Riverside University of California (UCR). Lath house behind greenhouse #12 Comment
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May 3 2014
  UCR169400  Cnicus benedictus T. B. Salvato, John F. Green 2004-5-27 610 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
  CAS-BOT-BC416390  Coleogyne ramosissima Reid Moran 1941-5-4 840 Riverside East of Quail Spring, Joshua Tree National Monument 1300 Comment
  SBBG6850  Collinsia bartsiifolia var. davidsonii H. and M. Dearing 1939-4-6 3098 Riverside near Aguanga Comment
  UC1495656  Collinsia concolor R. T. Clausen 1963-4-18 63052 Riverside 10 km se Murrieta (n slope of ridge s of Santa Gertrudis Creek); Transverse Ranges 360 Comment
  UCR107821  Collinsia concolor D. L. Banks 1997-5-5 2008 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  JEPS13638  Collinsia heterophylla Peter Kamb 1948-6-19 1114 Riverside Santa Ana Mountains, se slope of Santiago Peak Santiago Peak; Santa Ana Mountains, Santiago Peak 1219 Comment
  RSA564037  Colubrina californica A. C. Sanders 1992-4-4 12112 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UC2027652  Colubrina californica Carolyn Martus, Joseph Betzier, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  SBBG87474  Condalia globosa var. pubescens A. C. Sanders 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mtns 9 mi S of Interstate 10 on the gasline rd, 2 mi airline S of the Model Mine 579 Comment
  RSA191402  Conyza canadensis E. W. Lathrop, R. F. Thorne 1967-9-26 6640 Riverside 6 miles NW of Murrieta. Comment
  RSA702048  Conyza canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  POM4482  Cordylanthus rigidus subsp. setiger F. M. Reed 1908-7-14 2457 Riverside Common in and below Strawberry Valley. Comment
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May 1 2011
  SFV20151  Cordylanthus rigidus subsp. setigerus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .5 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  CAS-BOT-BC228592  Corethrogyne filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough: Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  UC895240  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6962 Riverside North Fork San Jacinto River 1500 Comment
  POM223247  Cornus nuttallii M. Canby 1936-5-3 s.n. Riverside North Fork of San Jacinto River above Fuller Mill Creek. Comment
  UCR159764  Cotula australis Scott D. White 1999-5-2 7286 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  SEINET13729337  Crassula aquatica Unknown 1969-5-15 3235 Riverside PLANTS OF CALIFORNIA Riverside Co., California; 6 miles W. of Murrieta on Santa Rosa Plateau at Tenaja lake; ca. 2 mi. E. of Tenaja Forest Station; submerged in shallow water at margin of pool with Lilaea, Isoetes, etc. ca. 2,000 ft. elev. 609 Comment
  RSA543301  Crassula connata Steve Boyd 1991-3-17 5509 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR116595  Crassula connata A. C. Sanders 2001-3-20 23846 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR214567  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37865 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR274301  Crepis T. B. Salvato, Melissa Clemons 2005-6-6 1421 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
  UCR266332  Cressa truxillensis D. E. Bramlet 1992-5-15 2283 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  UCR275579  Cressa truxillensis T. B. Salvato, Jennifer Weiland 2005-6-13 605- 6 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  SD137802  Crocanthemum aldersonii Darin L. Banks, Steve Boyd 1995-6-2 572 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tiobia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  SD232668  Crossosoma bigelovii A. C. Sanders, K. Rose 1995-4-5 16349 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 519 Comment
  RSA651889  Croton californicus David B. Dunn 1948-3-14 s.n. Riverside 5 mi. west of Thousand Palms. Comment
  RSA788557  Croton californicus Duncan S. Bell 2012-3-8 3147 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UCSB7616  Croton californicus Ullman, Sydney 1956-4-14 Riverside Town of Whitewater Comment
  LA204863  Croton californicus Carl Epling; March 1927 s.n. Riverside Whitewater Pass, near Palm Springs. Comment
  SEINET9255231 Image available Croton californicus var. mohavensis Nancy Ryan Zabriskie 1970-12-29 333 Riverside Beside Andreas Canyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  SBBG133561  Croton setiger S. D. White, A. Carey 2004-7-2 10573 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR139648  Croton setiger A. C. Sanders 2004-6-30 28385 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
  UCR161403  Croton setiger A. C. Sanders, Mike Misenhelter 2005-9-20 31675 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR60267  Croton setiger Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3688 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA736303  Crypsis schoenoides Scott D. White, Justin M. Wood 2008-5-13 11950 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA4903  Cryptantha angustifolia C. B. Wolf 1932-4-27 3019 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA79588  Cryptantha angustifolia F. W. Peirson 1926-2-22 6508 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  SD39167  Cryptantha angustifolia Edith A. Purer 1935-4-21 6465 Riverside Western edge of Colorado Desert near Palm Springs Comment
  UCR104004  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR224999  Cryptantha angustifolia Dave Silverman 2010-3-23 7820 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  UCR230775  Cryptantha angustifolia A. C. Sanders 2010-3-23 37534 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR245251  Cryptantha angustifolia Jim Andre 2012-3-19 21300 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  RSA682164  Cryptantha barbigera Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10443 -[A] Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SD127607  Cryptantha barbigera David Charlton 1988-2-18 1133 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, 1 mile east of junction Dillon Road and Fargo Canyon Rd 609 Comment
  UCD119003  Cryptantha barbigera G. H. Vansell 1928-4-1 s.n. Riverside Coachella Valley. Comment
  UCR19583  Cryptantha barbigera Dr. H. de Forest 1924-4-13 s.n. Riverside Western Colorado Desert region, Tahquitz Canyon 457 Comment
  RSA777393  Cryptantha barbigera var. barbigera Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 791 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  JOTR29584  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-6 6716 Riverside Joshua Tree National Park. about 50 m. north of the Keys View Parking area 1552 Comment
  UCR216117  Cryptantha costata Jim Andre, T. La Doux 2009-2-25 10818 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA0078964  Cryptantha cycloptera Theo Glenn 1992-3-31 92 -8 Riverside Colorado Desert. North side Of Eagle Mountains, Storm Jade Mine. Comment
  SEINET7063042  Cryptantha decipiens A. G. Vestal 1962-4-8 s.n. Riverside About 3.5 miles northeast of Lake Elsinore and 2.5 miles east of the junction of Route 74 with Route 71. UTM Zone 11, 471840mE, 3730600mN. (WGS84/NAD83). 503 Comment
  SEINET4565900  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Sonoran (Colorado) Desert; Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  UCR18166  Cryptantha holoptera A. C. Sanders 1978-4-2 00197 Riverside Sonoran (Colorado) Desert, Palm Desert, east of the Living Desert Reserve 152 Comment
  SD240920  Cryptantha inaequata Dave Silverman 2010-3-24 7825 Riverside South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Drive, and 3.7 km N of Interstate 10. 130 Comment
  JEPS82348  Cryptantha intermedia L. R. Heckard 1969-4-24 2162 Riverside about 7 mi s Sage (along Highway 79) Comment
  POM6633  Cryptantha intermedia P. A. Munz, L. T. Street 1919-3-28 2361 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA0106802  Cryptantha intermedia Mitch Provance 2012-5-24 512 -04 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  RSA594774  Cryptantha intermedia D. L. Banks, Dylan Hannon 1996-5-3 0967 B Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  RSA80972  Cryptantha intermedia G. R. Campbell 1952-4-6 18421 Riverside 3 miles E of Lake Matthews Comment
  SD148208  Cryptantha intermedia A. C. Sanders 2001-5-3 24081 Riverside Hemet, southeast corner of State Street at Gibbel,at east end of Diamond Valley. 494 Comment
  UC1922270  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UC857160  Cryptantha intermedia I. W. Clokey and B. C. Templeton 1930-4-9 4665 Riverside n of Banning 800 Comment
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Mar 13 2011
  UC857163  Cryptantha intermedia Mary F. Spencer 1992-4-23 2063 Riverside near Banning; Millard Canyon 716 Comment
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Mar 13 2011
  UCR155046  Cryptantha intermedia Jason L. Hlebakos 2005-5-30 820 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
  UCR275196  Cryptantha intermedia T. B. Salvato, Gregg Miller 2005-6-7 1448 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA799813  Cryptantha maritima D. M. Ray 2011-3-5 6 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR148458  Cryptantha maritima S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  JOTR30305  Cryptantha micrantha La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1738 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  POM3707  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash. Comment
  SEINET4558667  Cryptantha micrantha subsp. lepida Peter Kamb 1950-1 1908 Riverside Hall Canyon, San Jacinto Mountains 1646 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
  UCR158275  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29498 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA263650  Cryptantha microstachys E. W. Lathrop 1968-6-2 6959 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA388332  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  UCR127354  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR195128  Cryptantha microstachys A. C. Sanders, Tim Thomas 2008-8-1 35963 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR75552  Cryptantha microstachys A. C. Sanders 1993-4-30 13884 Riverside San Bernardino Mtns., along Butterfly Road, which joins Wildwood Canyon Road 0.4 mi. west of Oak Glen Road; between Cherry Valley and the Riverside County line 1100 Comment
  UCR104924  Cryptantha muricata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20658 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  SBBG63812  Cryptantha muricata var. jonesii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SD248154  Cryptantha pterocarya var. stenoloba J. M. Andre 2013-3-27 24800 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  POM254739  Cryptantha racemosa P. A. Munz 1940-3-24 15693 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  POM72365  Cryptantha racemosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  SEINET3152318  Cryptantha racemosa L. S. Rose 1936-12-22 36809 Riverside San Jacinto mts.; Palms to Pines hwy, 17 miles SW of Indio 914 Comment
  RSA0121054  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-29 9116 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
  SDSU18688  Cryptantha utahensis Kristen Hasenstab, M. G. Simpson 2008-4-1 53 Riverside Joshua Tree National Park. 1000 ft from Cottonwood Springs campground. Near sign for entrance from campground to Mastodon loop trail. Hillside is covered with this species of Cryptantha, especially on north facing slopes. 905 Comment
  UCD63684  Cupressus forbesii Daniel Sanchez-Mata; Richard Halsey 2006-6-28 s.n. Riverside Corona. Cleveland National Forest. Santa Ana Mountains. Indian Truck Trail from Corona. Between Main Divide and Santiago Peak summit. 1410 Comment
  RSA71010  Cuscuta californica F. W. Peirson 1921-4-13 2399 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 152 Comment
  UC1292594  Cuscuta californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23076 Riverside 8 mi se Corona (along road to Elsinore) Comment
  UCD126288  Cuscuta denticulata A. C. Sanders; G. Nuhn 1995-4-20 16587 Riverside Colorado Desert: Coachella Valley, near Fan Hill, northeast of Dillon Road on an abandoned road, below Little San Bernardino Mountains. northeast of 1000 Palms. 350 Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA572986  Cyclospermum leptophyllum Steve Boyd 1986-4-18 1691 Riverside U. C. Riverside Campus: West side of statistics computer building. Comment
  RSA0031297  Cylindropuntia chuckwallensis Mitzi Harding, Marc A. Baker, Michelle Cloud-Hughes 2013-4-11 134 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  RSA0097199  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-7 18399 Riverside San Gorgonio River, 2 km south of Cabazon, 2.6 km NNW of Hurley Flat, 26 km WNW of central Palm Springs. 510 Comment
  JOTR32385  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR22187  Cynodon dactylon E. W. Lathrop 1959-4-26 4504 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  CLARK-A1528-1  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA273007  Cyperus erythrorhizos C. W. Tilforth, Walter Wisura 1978-10-6 1714 Riverside Lake Skinner, north-east of Temecula 451 Comment
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Apr 30 2011
  SD146116  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles south east of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Springs (El Casco 7.5' Quadrant); gentle slope, fine clay on dried lake bed; common annual on lower shore. 131 Comment
  UCR78635  Cyperus odoratus Scott D. White 1992-9-11 792 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  SEINET3004993  Dalea mollis G. Rink, M. Baker 2011-4-3 10421 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  CLARK-A1656-777  Dalea mollissima Theo Glenn 1982-4-6 Riverside Fan Hill Canyon Comment
  RSA414181  Dasyochloa pulchella Robert M. Perkins, H. de Forest 1937-3-15 409 Riverside 20 miles east of Desert Center Comment
  CAS-BOT-BC283036  Dasyochloa pulchella Carl B. Wolf 1932-4-27 3034 Riverside Mecca - Blythe Road 3/4 mi. west of Utopia, Colorado Desert 152 Comment
  SBBG133353  Datisca glomerata S. D. White, A. Carey, L. Archa 2004-8-5 10674 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UCR244445  Datura discolor Jim Andre 2012-4-16 20899 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  JOTR35024  Datura wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3107 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA421892  Datura wrightii F. A. Thackery 1928-4-25 180 Riverside Indio. Comment
  UCR215517  Datura wrightii Daphne K. Christopher, Hannah I. Stevens 2003-4-4 094 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR34984  Daucus pusillus L. B. Ziegler 1968-5-7 286 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  SD181707  Deinandra fasciculata Scott D. White 2000-5-30 7972 Riverside 1.0 mile southeast of the I-15/El Cerrito Road junction adjacent to new housing construction. 334 Comment
  CAS-BOT-BC534057  Deinandra paniculata D. E. Bramlet; Bill Wagner 2009-10-19 4403 Riverside Peninsular Range: Riverside, Sycamore Canyon Reserve, c. 0.75 km N of Allesandro Blvd., W of Sycamore Canyon Blvd, along dirt pole line road 470 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
  UCR238219  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
  RSA0018981  Delphinium parishii subsp. parishii Harlan Lewis, M. Lewis 1946-8-21 596 Riverside Mouth of Tanquitz Canyon Comment
  UC9216  Delphinium parryi A. J. McClatchie April 1892 30 Riverside near Elsinore Comment
  UCR140299  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR16746  Delphinium parryi subsp. parryi Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  CLARK-A1528-1355  Dendromecon rigida Robin Kobaly 1972-5-13 RLK 720513 Riverside San Jacinto Mountains 1219 Comment
  RSA652540  Dendromecon rigida Toppenberg 1961-5-12 s.n. Riverside Hwy to Idyllwild, Beaumont side. Comment
  RSA357135  Dendromecon rigida subsp. rigida Robert F. Thorne 1969-10-25 41852 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  RSA433237  Dendromecon rigida subsp. rigida E. Crow 1929-3-17 191 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCD62838  Deschampsia danthonioides var. gracilis Robert F. Thorne; E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37430 Riverside Santa Rosa Plateau. On Mesa de Colorado, Rancho California. 670 Comment
  UC1126776  Descurainia pinnata H. S. Yates 1937-3-23 6391 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC856000  Descurainia pinnata subsp. glabra C. L. Hitchcock 1940-4-1 5911 Riverside Cottonwood Spring wash; Joshus Tree National Monument Comment
  CLARK-A1656-885  Dicentra chrysantha Theo Glenn 1979-5-23 Riverside Snow Creek Comment
  UCR174113  Dicentra chrysantha A. C. Sanders, T. B. Salvato 2006-6-2 33084 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR60932  Dicentra chrysantha Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3722 Riverside Peninsular Range, Vail Lake area, recently burned hills SE of lake, south of Hwy 79 488 Comment
  UCR107885  Dichelostemma capitatum B. G. Pitzer 1997-3-23 2952 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
  UCR136256  Dichelostemma capitatum A. C. Sanders 2004-4-20 27565 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR166175  Dichelostemma capitatum John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  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
  IRVC51  Dichelostemma capitatum subsp. capitatum Don Pfirrmann 1965-4-24 HS 0099 Riverside Upper San Juan Creek Camp; Ortega Hwy [74]. Peninsular Ranges, Santa Ana Mountains Comment
  IRVC53  Dichelostemma capitatum subsp. capitatum Linda Stilgenbauer 1965-4-17 HS 0097 Riverside Ortega Hwy [74]. Peninsular Ranges, Santa Ana Mountains Comment
  UCR97241  Dichelostemma capitatum subsp. capitatum Scott D. White 1997-2-9 4673 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  RSA367461  Dichelostemma capitatum subsp. capitatum H. Twining 1890-04 s.n. Riverside [No locality information provided] Comment
  RSA501061  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3178 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA696746  Dicoria canescens J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  SBBG8047  Dicoria canescens H. and M. Dearing 1936-12-25 945 Riverside Long Cyn, near aqueduct Comment
  UCR207224  Digitaria ischaemum O. F. Clarke 2003-6-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC152912  Diplacus brevipes John Thomas Howell 1930-5-10 4794 Riverside At top of St. John's Grade Comment
  CAS-BOT-BC153101  Diplacus fremontii E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore 350 Comment
  RSA0018428  Diplacus longiflorus var. calycinus Carl B. Wolf 1932-5-24 3657 Riverside 1 mi. above the Fish Hatchery. Snow Creek, No. base San Jacinto Mountains. 793 Comment
  RSA0019298  Diplacus puniceus D. L. Banks 1997-2-23 1305 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SEINET3928473  Distichlis spicata R. L. Piemeisel 1914-10-19 4065 Riverside 0.5 mi. ne. of Indio.; 0 Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  RSA0124122  Ditaxis lanceolata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8739 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  RSA717443  Ditaxis neomexicana Scott D. White, Pam De Vries 2006-3-14 11255 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR274222  Ditaxis serrata var. californica Duncan S. Bell, Evan Meyer 2014-10-28 7660 Riverside Santa Rosa Mountains, the foot of the mountains between Toro Canyon and Martinez Canyon 169 Comment
  CAS-BOT-BC43630  Dithyrea californica Geo. B. Grant 1906-5-1 266 a-6769 Riverside Colorado desert at Palm Springs. Comment
  RSA530748  Dithyrea californica Martha Hilend 1928-3-9 63 Riverside Near White Water Bridge. Colorado Desert. Comment
  SD2008  Dithyrea californica Ruth B. Randall 1922-4-10 Riverside Coachella Valley, Reed Ranch Comment
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Nov 19 2011
  UCR166005  Dithyrea californica Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR85252  Dithyrea californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16186 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  POM78481  Dodecatheon alpinum subsp. majus H. M. Hall 1901-06 2348 Riverside Tahquitz Valley 2500 Comment
  JEPS108466  Downingia bella Lisa Schultheis 1995-5-9 146 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  SD28101  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside Summit of San Jacinto Peak 3293 Comment
  POM12104  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-10 1861 Riverside Idyllwild. 1616 Comment
  UC12538  Drymocallis glandulosa var. reflexa Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA85439  Dryopteris arguta J. C. Roos 1952-4-13 5519 Riverside Box Springs Mts. 518 Comment
  UCR101843  Dudleya B. G. Pitzer 1997-4-1 3043 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SEINET3071477  Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  CAS-BOT-BC427976  Dudleya arizonica S. B. Parish; W. F. Parish 1882-4-1 588 Riverside Borders of the Colorado Desert, Whitewater Comment
  RSA494649  Dudleya lanceolata B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  UC115216  Dudleya multicaulis Charlotte M. Wilder 1905-6-1 583 Riverside West Riverside Comment
  RSA500568  Echinocereus engelmannii var. engelmannii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3581 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  SEINET3928586  Echinochloa colona Sears 1977-10-13 S 605 Riverside Wiley's Well exit off Interstate 10 near Playa Lake.; 0 122 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
  RSA737324  Echinochloa crus-galli Justin M. Wood 2008-9-22 157 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR242708  Echinochloa crus-galli Dagne Duguma 2013-7-7 s.n. Riverside Santa Ana River Basin, Prado wetlands near Corona 155 Comment
  CAS-BOT-BC291130  Eclipta prostrata S. B. Parish 1912-10-12 8362 Riverside Salton Basin. Mecca -57 Comment
  CAS-BOT-BC113298  Eleocharis parishii Samuel B. Parish 1907-4-22 6144 Riverside Western edge of the Colorado desert, Palm Canyon. 200 Comment
  RSA703625  Eleocharis parishii Scott D. White, Angelia Carey 2004-9-16 10763 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  SBBG119911  Eleocharis parishii A. C. Sanders with O. F. Clarke 1991-6-10 11126 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UC62218 Image available Eleocharis parishii H. M. Hall Jun 1901 2013 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert; along the border of the Colorado Desert, San Jacinto Mts. Comment
  UC839370  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  UCR271688  Eleusine indica Mitch Provance 2011-7-4 17181 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  CAS-BOT-BC207367  Elymus elymoides Scott D. White 1996-8-1 4404 A Riverside Hwy 243 at Deer Springs trailhead and adjacent area, Idyllwild Area, San Jacinto Mts. 1828 Comment
  UCR17527  Elymus elymoides Frank C. Vasek 1979-7-26 790726- 02 b Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 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
  RSA179514  Elymus glaucus E. W. Lathrop 1960-6-7 4887 Riverside 14 miles west of Murieta. Relondo Mesa. Comment
  UCD61812  Elymus glaucus Peter Kamb 1948-7-3 1143 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR24986  Elymus hispidus A. C. Sanders 1980-7-18 1677 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR264633  Elymus triticoides Mitch Provance 2012-6-19 196- 10 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA49178  Emmenanthe penduliflora P. A. Munz 1949-4-13 13055 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA525694  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4565 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA701471  Emmenanthe penduliflora M. Wall 1996-7-1 191 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  UC56881  Emmenanthe penduliflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  UCR103920  Emmenanthe penduliflora B. G. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR133664  Emmenanthe penduliflora Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCSC000885  Emmenanthe penduliflora Peter Kamb 1948-4-11 875 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley 305 Comment
  SEINET12279715  Emmenanthe penduliflora J. Bright, Wyman, C. 1933-1 8080 Riverside between Radio and Palm Springs Comment
  POM356674  Encelia actoni Norman C. Cooper 1949-6-29 4285 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  RSA28641  Encelia actoni Louise Kellogg, A. M. Alexander 1941-5-18 2197 Riverside 2 miles NE of Cottonwood Spring, Eagle Mtns. Comment
  RSA0031849  Encelia farinosa Douglas A. Springer 1981-2-16 2 Riverside 9 miles S of Corona on Interstate Hwy 15 and Cajalco Rd., E side on median and roadside. Comment
  RSA795928  Encelia farinosa Duncan S. Bell 2009-4-19 281 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UC1777709  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside near Blythe (6.2 miles west of junction of Hwy 78 and Hwy 60-70); ; [6.7 miles west of junction...](label reads 6.7, assumed to be in error, by inference from five records of duplicates in database) Comment
  UC1929638  Encelia farinosa V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  UCR119416  Encelia farinosa Mitch Provance 1998-2-13 42 Riverside Jurupa Mountains, Glen Avon Hts., .2 km. north of Campbell St., along the SW portion of the range. 262 Comment
  RSA796477  Encelia frutescens Duncan S. Bell 2009-4-18 229 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SD224841  Encelia frutescens G. K. Helmkamp 1998-4-4 3132 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  CLARK-A1528-1811  Encelia virginensis subsp. actonii John C. Roos 1941-8-2 84 Riverside 609 Comment
  SEINET9357623  Encelia virginensis var. actoni Unknown 1936-12-22 Riverside Riverside Comment
  SD229015  Ephedra aspera Dick Schwenkmeyer 2013-6-11 915 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UC667372  Ephedra californica Annie M. Alexander and Louise Kellogg 1941-5-15 2183 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains (in rock outcrop) 914 Comment
  UCR227829  Ephedra californica R. F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  HSC88285  Ephedra trifurca Elizabeth Neese 1979-4-11 7108 Riverside 3 mi. S of Rue, 40 mi. NW of Blythe Comment
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Jul 8 2010
  RSA0019797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -A Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  SBBG402  Ephedra viridis H. and M. Dearing 1949-4-11 6748 Riverside above Cathedral City, Palms to Pines Hwy Comment
  JOTR00968  Ephedra viridis Cole, James E. 1941-4-10 509 Riverside Joshua Tree National Park. TWIN TANKS 1158 Comment
  UCR19030  Epilobium campestre John C. Roos 1952-5-14 5662 Riverside Moreno Valley, Edgemont [now part of city of Moreno Valley], near Box Springs 488 Comment
  RSA588412  Epilobium canum subsp. canum M. M. Thompson 1947-8-23 C- 2052 Riverside Los Alamos canyon, Elsinore Mountains. 762 Comment
  RSA448508  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-10-22 547 Riverside Cactus Spring Trail between Dolomite mine & Horsthief Canyon; N slope Santa Rosa Mountains. (E of site 13). 1098 Comment
  UC1931072  Epilobium ciliatum Scott D. White, Justin Wood 2008-7-9 12424 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  SDSU13551  Epilobium ciliatum subsp. ciliatum W. Miller, C. Mosse 1972-7-11 Riverside 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
  CAS-BOT-BC204485  Eragrostis cilianensis H. M. Hall 1899-7-1 1366 Riverside Gavilan Hills 2 mi S.W., Perrin Comment
  UCD63455  Eragrostis mexicana subsp. mexicana F. M. Reed Date Unknown 1469 Riverside Riverside and vicinity, roadsides in Riverside. Comment
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Jun 16 2012
  SD28021  Eremalche exilis Carl B. Wolf 1932-4-27 3027 Riverside Mecca-Blythe Road; 0.75 mile west of Utopia. 152 Comment
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Dec 11 2011
  UCR131726  Eremalche exilis C. B. Wolf 1932-4-27 03027 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
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Dec 12 2011
  RSA432719  Eremalche rotundifolia E. C. Jaeger 1922-4-2 s.n. Riverside Box Canon near Mecca. Comment
  SBBG4930  Eremothera refracta K. K. Muller 1958-3-22 913 Riverside Orocopia Mtns across Hwy 70 from S entrance to Joshua Tree Nat Monument Comment
  JOTR33784  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  RSA0105507  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1923-08 s.n. Riverside Tahquitz ridge near Tahquitz peak. San Jacinto Mountains 2439 Comment
  HSC95245  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside Thomas Mtn. Rd., 1.5 km W of Thomas Mtn. Campground, both sides of road 1939 Comment
  UC1787271  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 101 Riverside Arroyo Seco Creek, adjacent to Drippings Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek. 487 Comment
  UCR95954  Eriastrum densifolium subsp. densifolium Scott D. White 1996-8-1 4403 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA0104869  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-5-29 123 Riverside San Jacinto Mtns: Old Banning-Idyllwild Road .4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road. Adjacent to pasture. Population voucher: Banning. 683 Comment
  RSA0110546  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, Adjacent to Dripping Springs Public Campground road, ca. 500 m south of terminal loop of campground road, along east side bank of creek. 488 Comment
  UCD118278  Eriastrum eremicum subsp. eremicum Robert F. Thorne; C. W. Tilforth 1980-5-28 54248 Riverside Along Whitewater River, about 3.2 miles N of Whitewater Post Office and Highway 10. Comment
  CAS-BOT-BC514462  Eriastrum eremicum subsp. eremicum Mr. May 1914-3-1 s.n. Riverside May Comment
  SBBG35228  Eriastrum filifolium T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  RSA0120677  Eriastrum harwoodii Duncan S. Bell 2009-4-18 238 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC729736  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside on Blythe Rd 3 mi s Rice; Eastern Colorado Desert 213 Comment
  UCR261143  Eriastrum sapphirinum A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41733 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 370 Comment
  UCR69997  Eriastrum sapphirinum Scott D. White 1991-9-17 91- 53 Riverside Peninsular Range, W side of lake Elsinore at the S foot of the Ortega Hwy (Hwy 74). 427 Comment
  SD187456  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 548 Comment
  UCR162758  Ericameria brachylepis John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCSB12338  Ericameria cooperi Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon, Colorado Desert Comment
  UCR13709  Ericameria cuneata J. Zabriskie, N. Ryan Zabriskie 1972-10-21 543 Riverside Peninsular Range; San Jacinto Mtns., SE of S end Marion Ridge Rd., Pine Cove, SW drainage San Jacinto Mtns. 1921 Comment
  POM295632  Ericameria cuneata var. spathulata Lyman Benson 1952-12-29 15088 Riverside White Tanks, Joshua Tree National Monument, 915 Comment
  POM359404  Ericameria linearifolia Norman C. Cooper 1945-3-26 s.n. Riverside Aguanga. Comment
  SD73603  Ericameria linearifolia Helen V. Witham 1970-4-29 818 Riverside 1299 Comment
  JOTR32642  Ericameria nauseosa var. mohavensis La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2563 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  UCR22309  Ericameria parishii Steve Boyd 1980-12-20 367 Riverside Peninsular Range, Gavilan Hills, Gavilan plateau, radio tower ridge south of Gavilan Peak Comment
  RSA589077  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 0788 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SD137893  Ericameria pinifolia Darin L. Banks, Steve Boyd 1995-10-17 788 Riverside Agua Tibia Mountains, Northwest Palomar Mountain, Cleveland National Forest, Along lower Arroyo Seco, south of the Dripping Springs Campground 515 Comment
  UCR89884  Ericameria pinifolia A. C. Sanders 1995-11-26 17908 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  SD175795  Erigeron bonariensis Richard W. Schaffer 2006-11-17 1262127 Riverside Indio, lawn near Oasis St. Comment
  RSA719791  Erigeron breweri var. jacinteus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1741 Riverside Along trail to Hidden Lake Divide. 2591 Comment
  RSA212927  Erigeron divergens L. B. Ziegler 1969-5-26 s.n. Riverside Low hillsides at edges of meadows in Hemet Valley, San Jacinto Mts. 1387 Comment
  RSA6084  Erigeron foliosus C. B. Wolf 1932-5-25 3667 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  RSA701120  Erigeron foliosus Michael Wall 1996-7-1 168 Riverside Cherry Valley, Beaumont/Oak Glen Rd., 2.6 mi. N of Cherry Valley Blvd., W side of road in open flat field. 610 Comment
  UCR183332  Erigeron foliosus Mitch Provance 2003-5-5 4415 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR3498  Erigeron foliosus var. foliosus Frances Miller 1964-6-5 M 6428 Riverside Box Springs Mtns, end of Big Springs Rd, just above railroad. 396 Comment
  UCR241453  Erigeron sumatrensis A. C. Sanders, Timothy W. Chumley 2013-3-28 40704 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west of Lake St. 378 Comment
  CLARK-A1045-80  Eriodictyon crassifolium George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  RSA34589  Eriodictyon crassifolium N. C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  SEINET271036  Eriodictyon crassifolium Richard J. Shaw 1958-4-6 1103 Riverside Palms to Pines Highway, between Idyllwild junction and Hemet 1067 Comment
  UC501499  Eriodictyon crassifolium D. A. Johansen and J. A. Ewan 1932-4-10 7091 Riverside mouth of Tahquitz Canyon; western Colorado Desert, mouth of Tahquitz Canyon Comment
  UCSB16248  Eriodictyon crassifolium Sonnenburg, D. 1963-5-4 Riverside 2.5 miles south of Banning to Idyllwild road 853 Comment
  POM13747  Eriodictyon crassifolium var. crassifolium E. C. Jaeger 1921-06 1195 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1829 Comment
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Nov 6 2011
  UCR131829  Eriodictyon trichocalyx Jennie Phui 1998-5-30 029 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UC107133  Eriodictyon trichocalyx var. trichocalyx T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  UCR193863  Eriogonum A. C. Sanders, Mitch Provance 2008-7-11 35816 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
  JOTR34095  Eriogonum angulosum Herskovits, Tasya 2011-9-28 1 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  POM49861  Eriogonum apiculatum P. A. Munz, I. M. Johnston 1924-7-27 8757 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  SBBG1456  Eriogonum apiculatum H. and M. Dearing 1936-12-26 148 Riverside Palms to Pines Hwy 1097 Comment
  UC1007165  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside near Santa Rosa Peak 2316 Comment
  CDA22491  Eriogonum davidsonii A. C. Browne 1951-10-28 Riverside Aguanga. 0 Comment
  RSA766419  Eriogonum davidsonii Joseph A. Ewan 1928-8-28 1517 Riverside Strawberry Valley. San Jacinto Mtns. 1616 Comment
  UC534918  Eriogonum davidsonii Susan G. Stokes 1933-7-1 76 Riverside road to Idyllwild Comment
  UCR243181  Eriogonum davidsonii A. C. Sanders 2013-7-6 40842 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Valley View Dr. toward Crestview Dr., at intersection with N-S road of unknown name 1680 Comment
  UCR249001  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 384 Riverside San Jacinto Mountains, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  CAS-BOT-BC246439  Eriogonum deflexum var. deflexum S. B. P. 1912-10-11 8290 Riverside Caleb, Salton Sink, Colorado Desert Comment
  JOTR31983  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2218 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  UC77768  Eriogonum deflexum var. deflexum C. R. Orcutt 1889-4-20 Riverside Colorado Desert Comment
  RSA443545  Eriogonum elongatum J. C. Roos 1965-9-14 s.n. Riverside Hills south of Beaumont. Comment
  SEINET6417985  Eriogonum elongatum Andrew C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills; Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 549 Comment
  CLARK-A1528-3736  Eriogonum fasciculatum subsp. flavoviride John C. Roos 1948-5-15 3845 Riverside Eagle Mountains Comment
  UCR176888  Eriogonum fasciculatum subsp. foliolosum Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  CLARK-A1528-997  Eriogonum fasciculatum subsp. polifolium John C. Roos 1948-5-15 3844 Riverside Eagle Mountains 853 Comment
  POM115625  Eriogonum fasciculatum var. flavoviride Louise Kellogg, Annie M. Alexander 1941-5-15 2190 Riverside North base of Eagle Mountains. 1159 Comment
  RSA393431  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-4-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC219156  Eriogonum fasciculatum var. foliolosum P. A. Munz, R. D. Harwood 1920-2-28 3257 Riverside 3 mi w Corona 335 Comment
  UC6288  Eriogonum fasciculatum var. foliolosum Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  POM6443  Eriogonum fasciculatum var. polifolium P. A. Munz 1919-5-7 2745 Riverside Palm Springs. 198 Comment
  RSA339070  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1980-5-28 54214 b Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA6100  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  SD93053  Eriogonum fasciculatum var. polifolium W. Bertsch 1954-5-1 530 Riverside Road from Banning to Idlewild 914 Comment
  CAS-BOT-BC253486  Eriogonum gracile Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UC574981  Eriogonum gracile C. Epling, Wm. Robison Jun 24 1933-Jun 27 1933 Riverside San Gorgonio Wash Little San Bernardino Mountains, San Gorgonio Wash Comment
  UCR117091  Eriogonum gracile var. gracile A. C. Sanders, T. B. Salvato 2001-5-16 24295 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA500555  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3606 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA595920  Eriogonum gracile var. incultum D. L. Banks, Lauren Raz 1996-11-5 1179 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  SD241928  Eriogonum gracile var. incultum A. C. Sander, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon near Hostettler Road south of I-15, narrow canyon draining from vicinity of Palomino Creek Drive at end of Calendula Street (Alberhill 7.5'Q) 387 Comment
  JOTR35262  Eriogonum heermannii var. argense La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3247 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  SD143489  Eriogonum inflatum W. L. Halvorson 1977-3-8 77 81 Riverside Desert, 1 mile south of the south entrance to Joshua Tree Nat'l Monument Comment
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Nov 6 2011
  RSA5160  Eriogonum inflatum var. inflatum Carl B. Wolf 1932-4-26 2971 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  SBBG25142  Eriogonum inflatum var. inflatum D. Myrick 1966-4-1 1321 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UC849591  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 6594 Riverside e Keen Camp P.O. 1370 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
  CAS-BOT-BC269786  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-10 2870 Riverside San Jacinto Mountains, along California Highway 243, 1.1 miles southeast of Alandale Ranger Station, 4.3 miles north-northwest of Idyllwild, and 8.8 miles north of the junction with Highway 74 Comment
  JEPS56625  Eriogonum nudum var. pauciflorum Carl V. Meyer 1928-8-1 623 Riverside near water supply spring (Tahquitz group, U. S. government summerhome site lots); San Jacinto Mt., U. S. government summerhome site lots 1767 Comment
  POM13683  Eriogonum parishii P. A. Munz 1922-6-29 5894 Riverside Santa Rosa. 2043 Comment
  JOTR36475  Eriogonum pusillum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3409 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
  RSA424847  Eriogonum pusillum Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
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Dec 18 2011
  CAS-BOT-BC263509  Eriogonum thomasii E. A. McGregor 1917-3-18 790 Riverside 4 mi. up Painted Canyon Comment
  HSC24856  Eriogonum thomasii James Henrickson 1971-4-2 5485 Riverside Hidden Oasis, 13 miles E of Palm Spring 183 Comment
  POM2312  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Near Palm Springs. Comment
  RSA779729  Eriogonum thomasii Duncan S. Bell 2009-3-8 97 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  UCR165820  Eriogonum thomasii John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA0009729  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Shaver's Well Comment
  RSA718297  Eriogonum thomasii Michael Honer, L. Hulse 2004-4-2 1878 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UC6569  Eriogonum thurberi W. G. Wright 1889-1 1765 Riverside Colorado Desert Comment
  JEPS56291  Eriogonum trichopes W. L. Jepson 1920-5-1 8916 Riverside Palm Springs of Mt. San Jacinto 137 Comment
  SEINET3087565 Image available Eriogonum viridescens A. C. Sanders, B. Phillips, B. Pitzer 1988-5-22 7860 Riverside Mojave Desert, 1.5 mi. NW of Rosamond near the airport, N of Felsite St. & W of 35th St. W. Comment
  RSA0029099  Eriogonum wrightii subsp. subscaposum John F. Emmel 1994-9-25 1356 Riverside Black Mountain Scenic Area: along Pacific Crest Trail, on ridge NNE of Black Mountain. 2073 Comment
  CAS-BOT-BC261783  Eriogonum wrightii var. nodosum Frank W. Peirson 1922-12-27 3333 Riverside Andreas, between Forks, East slope San Jacinto Comment
  CAS-BOT-BC261788  Eriogonum wrightii var. nodosum Lewis S. Rose 1935-12-23 35696 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 914 Comment
  LA207104  Eriogonum wrightii var. nodosum Carl Epling; October 1934 sn Riverside Palms to Pines Highway 152 Comment
  UC1133261  Erioneuron pulchellum H. S. Yates 1937-3-23 6440 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UC62976  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 1 1896-Apr 10 1896 Riverside Palm Spring Colorado Desert, Palm Spring Comment
  CAS-BOT-BC297357  Eriophyllum confertiflorum Philip A. Munz 1930-5-1 11918 Riverside Dry Morongo Wash, Little San Bernardino Mts 182 Comment
  POM182206  Eriophyllum confertiflorum P. A. Munz 1932-4-24 12391 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  SDSU13043  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  CAS-BOT-BC301797  Eriophyllum multicaule Steve Boyd 1986-4-22 1741 Riverside Temescal Canyon: Benches of Indian Wash just south of Interstate 15 Comment
  CLARK-A1045-293  Eriophyllum multicaule George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Bee Canyon Road; chaparral; ; Hemet 15'Q 609 Comment
  UCR72180  Eriophyllum wallacei Theo Glenn 1992-3-31 92- 17 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR241543  Erodium texanum A. C. Sanders, Ann Howald 2013-2-27 40541 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  CSUSB1404  Erysimum capitatum Robin Maetche 1971-5-19 S. N. Riverside Idyllwilde city limits Comment
  RSA0124286  Eschscholzia androuxii Duncan S. Bell 2016-4-16 9326 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SEINET156040  Eschscholzia californica Norman C. Cooper 1944-4-22 1139 Riverside Banning. 762 Comment
  SEINET7063454  Eschscholzia californica 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
  UCR92152  Eschscholzia californica D. L. Banks, Peter L. Morrell 1995-5-4 0313 Riverside Agua Tibia Mtns., Cleveland National Forest, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground at base of hills north of Wildhorse Peak. 537 Comment
  CAS-BOT-BC418699  Eschscholzia glyptosperma N. Aitkenhead 1977-2-2 2189 Riverside ~1 mi. from junction of J.T. Mon Rd & pipeline Comment
  RSA771692  Eschscholzia minutiflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4688 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  RSA796099  Eschscholzia minutiflora Duncan S. Bell 2009-4-20 303 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SD258461  Eschscholzia minutiflora J. M. Andre 2013-3-27 24834 Riverside Riverside Mountains; along Wilson River Crossing Rd, 0.8 mile east of Highway 95, 12.4 miles south of Vidal Jct. Sandy bluffs above Colorado River flood plain. 114 Comment
  UC1922719  Eschscholzia minutiflora Naomi Fraga, Lisa Rojas 2005-2-10 1397 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  UCD94284  Eschscholzia minutiflora Shannon M. Still 2009-2-21 434 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  RSA0023131  Eschscholzia minutiflora Michael Honer, L. Hulse 2005-3-7 2031 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  UCD110529  Eschscholzia papastillii Shannon M. Still 2009-2-21 435 -B Riverside California. Riverside County. 168 Comment
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Sep 2 2017
  JEPS51694  Eschscholzia parishii W. L. Jepson 1927-4-12 11668 a Riverside Painted Canyon; Mecca Hills 76 Comment
  RSA66277  Eschscholzia parishii F. W. Peirson 1922-4-9 2872 Riverside Murray Canyon, Palm Springs region 305 Comment
  UCR147669  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11222 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
  RSA0041735  Eschscholzia rutifolia Sarah J. De Groot, April Garbat 2013-4-9 6997 Riverside Chuckwalla Mountains: Along Graham Pass Road, 5.6 miles south of junction with Chuckwalla Spring road, ~10.5 miles south of powerline, 11.4 miles south of Chuckwalla Valley Road. Up wash along road and up side drainage to west. 462 Comment
  UCR136261  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 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
  UCR72429  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5958 Riverside Maze Stone Ranchos, c. 0.25 mi west of Warren Road on Three Springs Road, eastern foot of the Lakeview Mountains, c. 3 mi west of Hemet 518 Comment
  RSA501056  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-4-1 3173 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA612610  Eucrypta chrysanthemifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1495 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCD119342  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Plateau, Gavilan Hills: On recent burn, 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA614403  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-16 1536 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  JOTR32027  Eucrypta micrantha La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2257 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  UCR232518  Eucrypta micrantha Dave Silverman, Onkar Singh 2010-3-27 7865 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, west of A Canal/Levee Blvd, & c. 7 km N of Blythe Airport 136 Comment
  SBBG61339  Eulobus californicus M. N. Ackley 1928-3-10 734 Riverside Bridge Haven 426 Comment
  RSA602915  Euonymus occidentalis C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  UCR273963  Euphorbia Mitch Provance 2012-8-1 812- 48 Riverside Colorado Desert, Thousand Palms, N side of Hwy 10, Denny's on E Ramon Rd. 70 Comment
  POM147634  Euphorbia eriantha F. M. Reed 1927-3-20 5441 Riverside Eagle Canyon - at junction with Salt Creek. Colorado Desert. Comment
  UC217898  Euphorbia eriantha P. A. Munz, D. Keck 1922-4-13 4820 Riverside Eagle Mountains, Colorado Desert 213 Comment
  UCR264243  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA614240  Euphorbia ophthalmica A. C. Sanders 1994-11-8 15864 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  UCR100865  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2719 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR3363  Euphorbia polycarpa H. M. Whistler 1964-3-1 640301- 02 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, 0.1 mi. north of Fire Research Station, on Canyon Crest Drive. 323 Comment
  OBI14405  Euphorbia polycarpa var. hirtella Lewis S. Rose 1959-1-8 59003 Riverside La Quinta 15 Comment
  UCR153426  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UC1922388  Euphorbia setiloba Michael Honer with L. Hulse 2004-4-3 1910 Riverside Colorado Desert; Little San Bernardino Mountains Region: Rockhouse Canyon, approx. 2 mi N of intersection with Fargo Canyon. Comment
  UCR57893  Euphorbia setiloba J. M. Stewart 1989-9-17 601 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  SEINET885157  Fagonia laevis A. C. Sanders, Pitzer, Charlton, Kniffen 1986-1 6100 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky to the south. 487 Comment
  UC625383  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside between Hayfields Reservoir and Desert Center (Indio-Blythe Highway) Comment
  RSA0009993  Fagonia laevis Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA792469  Fagonia pachyacantha Justin M. Wood, Dustin Ray 2011-4-28 3839 Riverside Sonoran Desert: Chuckwalla Valley: 4.2 miles southeast of Kaiser's Eagle Mountain Mine, west of Kaiser Road on T-line road where it crosses over small hill. 257 Comment
  SD247521  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Deert; Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Iris Pass 7.5'Q) 673 Comment
  CAS-BOT-BC56203  Ferocactus cylindraceus Ira L. Wiggins 1937-3-9 8760 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UC1930117  Festuca octoflora Scott D. White, Michael Honer 2003-4-4 8938 Riverside TEMESCAL CANYON: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. Comment
  UCR2422  Festuca octoflora F. M. Reed 1920-3-24 4175 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 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
  SD80100  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 424 Riverside Above 1st turnout east side Santa Rosa Mountain Road, 0.6 mile above Highway 74. 1524 Comment
  UC57357  Forestiera pubescens H. M. Hall Jun 1899 Riverside Gavilan Comment
  UCR121099  Forestiera pubescens A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  LA26729  Fouquieria splendens William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  RSA336050  Fouquieria splendens Robert F. Thorne 1978-4-23 52049 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
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Apr 24 2011
  UCSB4143  Fouquieria splendens Philbrick, Ralph 1953-6-15 Riverside Joshua Tree National Monument near Salton Sea Comment
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Oct 22 2014
  RSA0018453  Frangula californica subsp. cuspidata Scott D. White 1996-8-16 4485 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  RSA390198  Frangula californica subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. Hillsides. 1650 Comment
  CLARK-A1528-2930  Frankenia grandifolia John C. Roos 1965-6-30 Riverside Perris Comment
  OBI12171  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts, Penrod Cyn SE of Kenworthy Guard Station Comment
  POM48351  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8869 Riverside San Gorgonio Canyon, north of Banning. 1128 Comment
  RSA70351  Funastrum cynanchoides var. hartwegii F. W. Peirson 1921-3-20 4119 Riverside Palm Canyon near Palm Springs Comment
  RSA778423  Funastrum hirtellum Stephanie Rockwood, Christi Gabriel 2011-10-12 90 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
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Mar 4 2013
  UCSB4945  Funastrum hirtellum Haller, John 1958-3-22 Riverside Immediately south of highway 60-70, 5.8 miles east of Desert Center 243 Comment
  UCR120916  Galium andrewsii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24935 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA740938  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-7-9 12440 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  SDSU9291  Galium angustifolium Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  RSA500216  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3527 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM48868  Galium angustifolium subsp. jacinticum Philip A. Munz, J. M. Johnston 1924-7-26 8702 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  RSA0051335  Galium angustifolium subsp. jacinticum Valerie Soza, Steve Boyd 2004-6-22 1727 a Riverside San Jacinto Mountains, southeast side of Lake Fulmor, slope above Hwy 243 (Hall Canyon). 1615 Comment
  UC2030131  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38134 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Hilltop above Lake Fulmor. Comment
  RSA645690  Galium aparine Scott D. White, Steve Ogg 1994-4-21 1958 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA716392  Galium aparine Scott D. White, Angelia Carey 2004-4-5 9983 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD136758  Galium aparine Steve Boyd, Tim Ross 1992-5-4 7202 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  UC1925782  Galium aparine Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1282 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  RSA0022211  Galium aparine D. W. Stevens 1966-5-21 834 Riverside Thomas Mt. Camp. Comment
  RSA706295  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1285 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  RSA191429  Galium porrigens E. W. Lathrop, Robert F. Thorne 1967-9-26 6602 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  UCR193487  Galium porrigens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35628 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  RSA674614  Galium porrigens var. porrigens Scott D. White 2000-8-5 8105 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA751913  Galium porrigens var. porrigens Scott D. White, Justin M. Wood 2009-5-22 12916 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA0123088  Galium stellatum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8972 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
  UCR17453  Galium stellatum subsp. eremicum K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  UC64383  Galium stellatum var. eremicum S. B. Parish Apr 1 1896-Apr 10 1896 4078 Riverside Palm Spr. Colorado Desert Comment
  LA40319  Garrya flavescens J. Warren; 1952-5-26 sn Riverside 10 mi. S of Lake Hemet 1066 Comment
  RSA358587  Garrya flavescens Larry E. DeBuhr 1972-3-24 530 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 2195 Comment
  RSA391431  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Ledge [Oak Cliffs], mouth of San Jacinto Canyon Comment
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Nov 20 2011
  UCR158501  Gastridium ventricosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30036 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
  RSA667033  Genista monosperma Anne Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region: Orangecrest area of SE Riverside, 17120 Cole Ave. 518 Comment
  POM30736  Geraea canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA5157  Geraea canescens C. B. Wolf 1932-4-26 2968 Riverside 3 mi. east of Mecca on Blythe Road 0 Comment
  RSA790966  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-4-24 4 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  SD30769  Geraea canescens Edith A. Purer 1935-4-21 6458 Riverside Near Palm Springs Comment
  UC1929465  Geranium carolinianum Scott D. White, Michael Honer 2003-6-3 9479 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR160276  Gilia A. C. Sanders 1990-5-21 10021 Riverside San Jacinto Valley, Sanderson Ave. near Gilman Springs Rd., NW of San Jacinto 457 Comment
  POM13241  Gilia angelensis P. A. Munz, I. M. Johnston 1922-5-19 5350 Riverside 5 miles NE of Murietta. 457 Comment
  RSA67729  Gilia angelensis Verne Grant, Alva Grant 1952-3-31 17515 Riverside Palm Canyon. Comment
  RSA776210  Gilia angelensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 862 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR19409  Gilia angelensis C. S. Papp 1960-5-17 014 Riverside Elsinore Comment
  UC1494264  Gilia filiformis J. C. Roos 1958-3-15 Riverside 3 mi se Desert Center (Chuckwalla Mtns.); , se of Desert Center Comment
  UC69315  Gilia latifolia L. A. Greata Apr. 1905 Riverside Coachella Comment
  UCR148447  Gilia latifolia 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 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  CAS-BOT-BC407804  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-29 5098 Riverside Dripping Spring, Temecula Creek 518 Comment
  CAS-BOT-BC407805  Gilia ochroleuca subsp. exilis H. M. Hall 1901-6-1 2060 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  RSA0016274  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  RSA776239  Gilia scopulorum Duncan S. Bell 2010-3-20 600 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR51965  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA0096821  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  RSA560844  Githopsis diffusa subsp. candida Steve Boyd, Timothy S. Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  CDA7195  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mountains; Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. Comment
  RSA595704  Glycyrrhiza lepidota R. E. Riefner 1996-8-27 96 -152 Riverside North ca. 0.5 miles from Cajalco road., W side of Temescal Wash Comment
  RSA660537  Gnaphalium californicum Orlando Mistretta 1992-6-10 518 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  RSA559364  Gnaphalium chilense Steve Boyd, Tim Ross, D. E. Bramlet 1993-5-13 7379 b Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA276722  Gnaphalium palustre John F. Emmel 1978-7-17 616 Riverside Santa Rosa Mts, Virgin Spring, on N slope of Toro Peak, 2348 Comment
  UCR24938  Gnaphalium palustre A. C. Sanders 1980-7-22 1717 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  UCR172224  Gnaphalium stramineum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  SEINET3090328 Image available Grayia spinosa P. A. Rauch 1966-4-16 Riverside Entrance to Titus Canyon Road (off Nevada State Hwy. 58 between Beatty, Nev. - Death Valley Nat'l Mon't, Calif.) Comment
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Aug 3 2013
  POM46836  Gutierrezia californica Mary F. Spencer 1920-4-2 1474 Riverside Palm Springs, Colorado Desert. 122 Comment
  SD229097  Gutierrezia sarothrae Dick Schwenkmeyer 2012-8-7 794 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UC1118588  Gutierrezia sarothrae C. Van Fleet 1931-1-22 547 Riverside Wilson Creek San Jacinto Quadrangle Comment
  UCD132603  Gutierrezia sarothrae K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  RSA0066618  Harpagonella palmeri Scott D. White 2001-4-19 8381 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
  UC217889  Harpagonella palmeri P. A. Munz and I. M. Johnston 1922-5-19 5335 a Riverside 5 mi ne Murietta 457 Comment
  UCR67365  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3920 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  RSA0057845  Heleochloa schoenoides J. C. Roos 1969-11-22 Riverside Quail Lake at the south end of Jack Rabbit Trail. Prostrate in the mud at the border of a receding winter-flood lake. Growing in the lake bed. San Jacino Valley, east of Moreno. 426 Comment
  CAS-BOT-BC211543  Helianthemum scoparium P. C. Everett 1935-6-18 7175 Riverside San Juan Canyn, near Ortega Highway on road to Santiago Pk., Santa Ana Mts. 701 Comment
  UCR163994  Helianthemum scoparium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  POM320325  Helianthemum scoparium var. scoparium David Wheat 1968-5-16 139 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  UCR18946  Helianthemum scoparium var. vulgare John C. Roos 1950-4-29 4774 Riverside Hills 1 mi NE of summit of Reche Canyon 823 Comment
  UCR81684  Helianthus annuus J. M. Stewart 1994-5-2 865 Riverside Western Colorado Desert, Coachella Valley, Coachella. Dillon Road at Highway 86 Comment
  RSA780961  Heliotropium curassavicum Stephanie Rockwood, Christi Gabriel 2011-12-14 216 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  UCR193747  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35751 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR163985  Hemizonia paniculata 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
  UCR232043  Hemizonia paniculata John F. Green 2008-4-15 0408- 06 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR189803  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 117 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth. Growing in E-W swath just north of alkaline flats (~1m from flats) in narrow ditch 432 Comment
  UCR174159  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32598 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
  RSA286424  Hesperocallis undulata Mary H. O'Brien 1976-4-14 s.n. Riverside 0.4 mile N of Amboy Road and 3.4 miles east of Adobe Road in Twentynine Palms. 595 Comment
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Mar 29 2014
  RSA48416  Hesperocallis undulata E. K. Balls 1949-4-2 12901 Riverside North of Mecca, Highway 111, Colorado Desert. -58 Comment
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Jul 16 2015
  OBI74464  Hesperocnide tenella David J. Keil 1983-4-15 16897 Riverside E of Temecula on SR79 Comment
  UCR193526  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35567 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  UCSB41786  Heteromeles arbutifolia Sawyer, Patricia 1964-10-3 Riverside Highway 30, San Bernadino National forest. 609 Comment
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May 16 2016
  SDSU13566  Heterotheca grandiflora W. Miller with C. Mosse 1972-7-13 Riverside West of M.W.D. Station. Comment
  UC1979599  Heterotheca grandiflora D. L. Banks, Steve Boyd 1995-10-17 0770 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  RSA0075897  Heterotheca grandiflora D. L. Banks, S. D. Boyd 1995-10-17 0770 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC63207  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCD133099  Heterotheca villosa J. C. Roos 1965-9-16 s.n. Riverside on State St. near Florida St, Hemet. Comment
  SEINET2431524 Image available Heuchera hirsutissima Louis B. Ziegler 1969-7-1 Riverside North slope of San Jacinto Mountains. 2350 Comment
  HSC47338  Hibiscus denudatus R. W. Spjut 1978-5-17 5044 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  RSA0124124  Hilaria rigida Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8737 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  SEINET10522081  Hilaria rigida David B. Dunn 1946-3-16 Dunn 2079 Riverside Collected on arid slope in Pushawalla Canyon about 1 mi above the main Palm group. Indio Hills. Comment
  POM193292  Hoffmannseggia glauca Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  CAS-BOT-BC207950  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  SD21527  Hoffmannseggia microphylla Frank F. Gander 1938-5-21 5770 Riverside Shaver's Well Comment
  RSA234097  Hordeum brachyantherum subsp. californicum R. F. Thorne, E. W. Lathrop 1969-5-12 37936 Riverside Santa Rosa Plateau: Vernally moist drainage way of large vernal marsh, Mesa de Colorado, Rancho California. Comment
  SBBG103942  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Rd, 0.5 mi S of Florida Ave (St Hwy 74) Comment
  UCR112394  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR91873  Hordeum intercedens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18046 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA752117  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA679986  Hulsea vestita subsp. callicarpha LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1118 Riverside Black Moutain Road (4501), southeast of Black Mountain & northwest of Fuller Mill Creek. 2012 Comment
  RSA608478  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UCR1594  Hydrocotyle umbellata R. L. Needham 1962-5-8 10041 Riverside Riverside, base of spillway at WNW corner of Lake Evans [Fairmont Park] 245 Comment
  POM6597  Hymenoclea salsola P. A. Munz, L. T. Street, Williams 1919-3-25 2321 Riverside Desert at mouth of Canyon, Palm Canyon Comment
  RSA27452  Hymenoclea salsola I. L. Wiggins 1941-3-24 9576 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  CAS-BOT-BC312629  Hymenopappus filifolius var. lugens Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  CAS-BOT-BC312859  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Colorado Desert. Palo Verde Valley 76 Comment
  RSA92197  Hymenoxys odorata F. W. Peirson 1935-4-17 11468 Riverside Abundant on roadsides for several miles, river bottom lands, 20-22 miles S of Blythe. Comment
  UCD110394  Hypericum perforatum subsp. perforatum Robert F. Thorne; Steve Boyd and Earl Lathrop 1985-7-18 61167 Riverside Santa Rosa Plateau: Along upper Clinton Keith Road. 487 Comment
  UCR155826  Hypochaeris glabra John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA0107469  Hyptis emoryi Duncan S. Bell, Amanda Turek 2009-3-29 155 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA304958  Hyptis emoryi S. Carlquist 1982-4-18 15671 Riverside West side of Thousand Palsm Canyon Road, 1 mile north of junction with Ramon Road, Thousand Palms. Comment
  RSA420174  Hyptis emoryi M. B. Dunkle 1932-3-25 2907 Riverside Palm Springs. Comment
  RSA600126  Hyptis emoryi Louis C. Wheeler 1959-12-27 7642 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA608060  Hyptis emoryi Louis C. Wheeler 1931-2-7 s.n. Riverside Palm Springs. Comment
  UC1176847  Hyptis emoryi Lewis S. Rose 1959-1-8 59000 Riverside La Quinta 30 Comment
  UCR147740  Hyptis emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11220 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
  UCSB17914  Hyptis emoryi Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  SEINET6744646 Image available Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside 900 ft alt. 7 mi southwest of Indian Wells, Riverside County California Comment
  UCR20456  Imperata brevifolia John C. Roos 1949-9-7 4655 Riverside Sonoran (Colorado) Desert, 1 mi west of Whitewater bridge on Hwy 99 along a canal 396 Comment
  SEINET3091299 Image available Ipomoea triloba A. C. Sanders 1988-11-6 8743 Riverside Imperial Valley between Brawley and Westmorland. E side of Hwy 86 at intersection with Kalin Rd. and Tamarack Canal crossing. 1.6 miles NW of the New River crossing at Brawley. 34 Comment
  RSA155458  Isocoma acradenia var. eremophila L. S. Rose 1961-11-23 61062 Riverside La Quinta. 15 Comment
  RSA0005613  Ivesia callida Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  UCR133319  Juglans californica John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CAS-BOT-BC110069  Juncus acutus Annie M. Alexander; Louise Kellogg 1941-5-26 2241 Riverside Colorado Desert. Monsen Canyon, Eagle Mountains. 914 Comment
  SEINET10533289  Juncus acutus var. sphaerocarpus David B. Dunn 1946-3-17 Dunn 2102 Riverside In marshy area at pushawalla palms springs. Indio hills Comment
  SDSU13313  Juncus arcticus var. mexicanus Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 14 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR182354  Juncus balticus Mitch Provance 2005-5-17 6598 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
  POM319708  Juncus balticus subsp. ater Patricia Wilder 1970-10-30 4857 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 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
  RSA336180  Juncus bufonius Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA69673  Juncus bufonius F. W. Peirson 1922-4-29 5353 Riverside South of Lake Elsinore. 381 Comment
  CHSC26475  Juncus bufonius var. bufonius James Henrickson 1969-5-16 3259 Riverside 6 miles W. of Murrieta on Colorado Mesa of Santa Rosa Plateau near large vernal pool. 701 Comment
  UCR100779A  Juncus bufonius var. congestus Robert Noll 1998-6-17 s.n. Riverside Murrieta area, De Portola Road near Lake Skinner 400 Comment
  RSA740792  Juncus effusus Scott D. White, Justin M. Wood 2008-7-9 12420 Riverside Johnson Meadow 1415 Comment
  SBBG57287  Juncus macrandrus R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UCR268296  Juncus macrophyllus Jim Andre 2012-6-15 30555 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR38690  Juncus macrophyllus J. M. Stewart 1985-4-22 8519 Riverside Santa Rosa Mtns., Ebbens Creek, south of Palm Desert 549 Comment
  POM122518  Juncus mexicanus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA515320  Juncus mexicanus Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  UCR193370  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35636 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
  RSA368337  Juncus rugulosus L. C. Wheeler 1932-9-4 1331 Riverside Santa Ana River at Chino Creek 183 Comment
  UCR70880  Juncus sphaerocarpus F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley 457 Comment
  SBBG104053  Juncus xiphioides A. C. Sanders with O. F. Clarke 1991-6-10 11136 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR272500  Juncus xiphioides Mitch Provance 2012-7-25 712- 02 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  CLARK-A1528-2670  Juniperus californica John C. Roos 1947-2-15 3265 Riverside Eagle Mountain Comment
  JOTR32146  Juniperus californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2302 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  JEPS121570  Justicia californica Adam C. Schneider with Will Freyman 2014-2-16 383 Riverside Box Canyon Road. Comment
  JOTR32321  Justicia californica 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
  LA202789  Justicia californica Nesta Hutchinson; A. M. Martin 1932-3-26 sn Riverside Shavers Well Comment
  RSA402292  Justicia californica P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
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Nov 5 2011
  RSA402304  Justicia californica Christopher Davidson 1973-4-1 1846 Riverside Palm Springs. 488 Comment
  SD126045  Justicia californica B. Pitzer 1988-3-10 64 Riverside West side of Chuckwalla Mtns. on gas line road ca. 1.5 miles North of intersection with Red Cloud Mine Rd. (& wash); 2 miles south ofHwy I-10 490 Comment
  UC1321347  Justicia californica R. F. Hoover 1966-10-15 10163 Riverside Dead Indian Canyon Comment
  UCD121637  Justicia californica Geoffrey Levin 1976-3-27 686 Riverside Chino Canyon, west of Palm Springs. Mt. range: Alluvial Fan of San Jacinto Mts. Drainage Area: Salton Sea basin. 396 Comment
  UCR226997  Justicia californica Jim Andre 2011-2-2 16217 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
  UCSB15355  Justicia californica Breedlove, Dennis 1962-3-11 Riverside Cat Creek, under grove of Washingtonia filifera, 3 miles southwest of Palm Desert 426 Comment
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Mar 1 2014
  UCSB16172  Justicia californica Gerhart, Janet 1963-4-6 Riverside 5.2 miles wouth of U.S. Highway 60-70 on mine road, 11.5 miles east of turnoff to Jashua Tree National Monument 396 Comment
  CAS-BOT-BC540741  Kallstroemia californica Sarah J. De Groot; Amy Rouillard 2015-9-15 7572 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  RSA401735  Keckiella antirrhinoides M. M. Thompson 1947-6-9 C- 2077 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC236713  Keckiella antirrhinoides subsp. antirrhinoides Cecil Hart 1922-5-21 s.n. Riverside San Jacinto Pk. Comment
  SBBG66454  Keckiella antirrhinoides subsp. microphylla L. G. Yates 1894-11-22 Riverside Riverside County [no specific locality] Comment
  SEINET12518427 Image available Keckiella antirrhinoides subsp. microphylla Mark Fishbein, Victor Steinmann Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-1 4104 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  CAS-BOT-BC246203  Keckiella rothrockii Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slied, trail from Idyllwild to Tahquitz Valley, San Jacinto Mts. 2438 Comment
  CAS-BOT-BC246208  Keckiella rothrockii J. Ewan 1930-8-31 2151 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  UC1971158  Kickxia elatine Scott D. White June 17-20, 1998 6753 B Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan / Cajalco Rd. junction south and east to Santa Rosa Mine / Post Rd. junction. USGS Steele Peak 7 1/2' Quad. Comment
  UCR20551  Koeleria macrantha W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  SD8510  Krameria bicolor Parish Apr 1882 Riverside Agua Caliente Comment
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Jul 16 2010
  SJSU4485  Krameria bicolor T. G. Balgooyen 1966-4-4 46 Riverside 3 mi E of Palm Springs Comment
  RSA408606  Krameria grayi Anstruther Davidson s.n. Riverside Palm Springs. Comment
  UCR120968  Krameria grayi Jennie Phui 1998-6-3 105 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  UCR208908  Krameria grayi P. A. Munz, L. T. Street 1919-5-7 2746 Riverside Sonoran (Colorado) Desert, Palm Springs 183 Comment
  UCSC000773  Laennecia coulteri G. R. Hall 2001-8-31 s.n. Riverside near Riverside Riverside Comment
  SD136907  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest; 0.5 miles south of Serrano Spring 730 Comment
  RSA77076  Langloisia setosissima subsp. setosissima F. W. Peirson 1935-4-17 s.n. Riverside 30 miles north of Blythe. Comment
  RSA778116  Langloisia setosissima subsp. setosissima Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 931 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  CAS-BOT-BC183259  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CLARK-A1528-4437  Larrea tridentata John C. Roos 1946-11-30 3161 Riverside Chuckwalla Mountains Comment
  LA209861  Larrea tridentata Harlan Lewis; 1935-4-7 sn Riverside Palm Springs 138 Comment
  POM310387  Larrea tridentata Margaret Haringe 1946-4-15 284 Riverside Along road to 29 Palms, south of Morongo valley 396 Comment
  UCR167201  Larrea tridentata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR177849  Larrea tridentata Marisa Sripracha, K. A. Boyd 2004-2-14 035 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  CAS-BOT-BC338911  Lasthenia californica Scott D. White 1996-4-14 3896 Riverside Perris Basin, W Riverside Co. Perris Area: Near Perris Airport; ca 100 m N of Case Rd. and 100 m W of San Jacinto River Channel 430 Comment
  CAS-BOT-BC338919  Lasthenia californica Munz; Harwood 1920-3-20 3393 Riverside Elsinore 91 Comment
  CHSC273  Lasthenia californica S. Westerberg 1938-4-1 Riverside Lake Elsinore. Comment
  CAS-BOT-BC353283  Lasthenia coronaria H. M. Hall 1903-3-1 3847 Riverside Reche Canon Comment
  JEPS14381  Lasthenia coronaria Rimo Bacigalupi with Gene Newcomb 1954-4-25 4399 Riverside about 0.75 mi s Sage (along State Highway 79, close to the summit of St. Johns grade) 731 Comment
  UC1536903  Lasthenia coronaria G. H. True 1935-3-11 70 Riverside Sycamore Canyon Box springs 365 Comment
  UC62998  Lasthenia glabrata subsp. coulteri H. M. Hall 1933 Riverside Meadows of Coahuilla Valley Comment
  POM361559  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UCR202227  Lasthenia gracilis Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  SD224958  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to toll Rd. Cyn.).A few plants at terminus of Marion Ridge Rd, near radio facility, in open forest. 1700 Comment
  UCR16265  Lathyrus vestitus S. Riddell 1973-5-17 730517- 11 Riverside Santa Ana Mtns, 0.1 mi west of El Cariso Fire Station on Hwy 74 793 Comment
  SD129329  Lathyrus vestitus var. alefeldii Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area; along Gatos Road 0.5 miles south of Buena Vista Road (2 miles west of sandia Canyon & 0.1 mile north of San Diego county line) 366 Comment
  UC85246  Lathyrus vestitus var. alefeldii D. Cleveland 1882-5-4 Riverside Temecula Comment
  CHSC108889  Layia glandulosa Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: 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
  JOTR31073  Layia glandulosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2336 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  JOTR00916  Layia glandulosa Sipe, Frank 1958-3-5 257 Riverside Joshua Tree National Park. SQUAW TANK AREA, GEO TOUR Comment
  RSA593885  Layia platyglossa Steve Boyd, David E. Bramlet 1996-4-19 8615 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
  RSA658685  Layia platyglossa Sandy Gray 1981-04 5 Riverside 6 miles E of Corona, 1/2 mile west of Pacific Clay Co. Hwy 142. Highway overpass-stops. Comment
  UC1552097  Layia platyglossa Steve Boyd 1986-3-9 1394 Riverside Terrace escarpments between Indian Truck Trail and Horsethief Wash; Temescal Canyon Comment
  UCR179209  Layia platyglossa Mitch Provance, Tracy Tennant 1998-6-16 MOR- 379 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  RSA29237  Layia platyglossa subsp. campestris Joseph A. Ewan 1933-5-3 10781 Riverside Hard adobe of old fallow field borders Paloma Valley, 7 miles NE Murrietta. Comment
  RSA654610  Layia platyglossa subsp. platyglossa Bruce Albert 1982-4-17 62 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  LA106896  Leersia oryzoides A. C. Sanders; w/ O. F. Clarke & C. N. P. S. field trip 11740 Riverside Fairmont Park, along Spring Brook between Lake Evans and the Santa Ana River, below the lake 50.0 Comment
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Feb 23 2014
  SD240784  Lemna minor A. C. Sanders, John F. Green 2012-5-27 40216 Riverside Peninsular Range: Santa Ana Mountains Region; Temescal Creek at I-15 crossing, between Alberhill and Horsethief Canyon (Alberhill 7.5'Q) 363 Comment
  RSA588600  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  SEINET11257130  Lepidium densiflorum D. Atwood 1993-3-27 17692 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  HSC85410  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA776509  Lepidium fremontii Amber Swanson, Duncan S. Bell 2011-3-20 248 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  UC421649  Lepidium fremontii John Thomas Howell 1928-1-30 3305 Riverside 2 mi e Shaver Well; Colorado Desert Comment
  UC710906  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash Cottonwood Springs Comment
  RSA709973  Lepidium lasiocarpum Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4591 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR111983  Lepidium lasiocarpum A. C. Sanders, T. B. Salvato 2000-5-25 23409 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR239906  Lepidium lasiocarpum O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UCR116431  Lepidium virginicum var. robinsonii Arlee Montalvo 2001-3-21 s.n. Riverside San Bernardino Valley, Riverside, 'Coyote Hill' between Watkins Dr. and Hwy 60/215 438 Comment
  UCR58507  Lepidospartum squamatum Reid Moran 1967-11-7 14644 Riverside 7 mi west of Radec 400 Comment
  SEINET7048156  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR19659  Leptochloa uninervia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  POM145505  Leptosiphon androsaceus J. B. Feudge 1924-5-10 797 Riverside Beaumont 732 Comment
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Nov 17 2011
  POM263081  Leptosiphon androsaceus J. C. Roos 1941-4-19 167 Riverside Reche Canyon - Plateau [Label indicates San Bernardino Co.] Comment
  POM48716  Leptosiphon ciliatus I. M. Johnston 1924-7-29 8844 Riverside 6 miles SE of Poppet Flats, San Jacinto Mountains. 1524 Comment
  RSA387371  Leptosiphon lemmonii Steve Boyd 1986-4-19 1696 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCD118860  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon, Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  HSC85323  Leptosiphon parviflorus Steve Boyd 1986-4-2 1631 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD73177  Leptosiphon parviflorus D. F. Howe 1969-5-15 Riverside Hear Dripping Springs Camp 456 Comment
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Mar 6 2013
  RSA449969  Leptosiphon pygmaeus subsp. pygmaeus J. C. Roos 1950-4-22 4757 Riverside In the hills NE of the summit of Reche Canyon. 823 Comment
  RSA4958  Lesquerella tenella C. B. Wolf 1932-4-27 3039 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  UC310390  Lesquerella tenella Edmund C. Jaeger 1926-3-24 Riverside Pinto Valley; eastern Riverside Co. Comment
  CAS-BOT-BC274534  Leymus triticoides H. M. Hall 1901-6-1 2122 Riverside San Jacinto Mountins. Eastern base, along the borders of the Colorado Desert Comment
  CAS-BOT-BC274535  Leymus triticoides H. M. Hall 1901-6-1 2122 Riverside San Jacinto Mountins. Eastern base, along the borders of the Colorado Desert Comment
  POM319687  Leymus triticoides Patricia Wilder 1971-11-11 5293 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA544406  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6374 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 Spings. Comment
  SEINET3863127 Image available Libocedrus decurrens G. B. Grant 1901-1 691 Riverside California and Oregon.; 0 914 Comment
  CDA5383  Ligustrum lucidum A. C. Sanders 2000-12-16 23728 Riverside San Bernardino Valley; City of Riverside; UCR campus, along Big Springs Rd. just east of Campus Dr. Comment
  RSA234036  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39346 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  JOTR31080  Linanthus aureus subsp. aureus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2343 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UC1563137  Linanthus dianthiflorus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3182 Riverside Vail Lake area, in hills just to sw of the dam Vail Lake Area 487 Comment
  UC879946  Linanthus floribundus subsp. glaber P. A. Munz 1922-4-28 5048 Riverside Leach Canyon Santa Ana Mts. 670 Comment
  UCR161031  Linanthus lemmonii D. E. Bramlet 1991-5-1 2103 Riverside Wilson Valley 671 Comment
  CLARK-A1528-5713  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  HSC86138  Linum lewisii B. Freeman 1969-6-14 6906143 Riverside University of California James Reserve, San Jacinto Mtns., E of James House. Comment
  PASA685  Linum lewisii Sally Ellis 1939-6-22 Riverside Halona, Idyllwild Comment
  POM259257  Linum lewisii P. A. Munz 1938-8-14 15381 Riverside East of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA497946  Linum lewisii Albert J. Perkins 1916-9-15 s.n. Riverside Near summit of Taquitz Mt. Comment
  UC147174  Lobelia dunnii var. serrata J. E. Roadhouse Aug. 1905 550 Riverside Temescal Mountains, Coldwater Canyon Coldwater Canyon; Temescal Mountains, Coldwater Canyon Comment
  SDSU13474  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside Santa Margarita Ecological Reserve: south rim of Temecula Gorge in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  UCR243125  Loeflingia squarrosa Kate Kramer 2012-5-8 255 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UCSB5121  Loeseliastrum matthewsii Broder, Richard 1958-03 Riverside 16.5 miles west of Desert Center on US 60-70 Comment
  POM311149  Loeseliastrum schottii H. K. Sharsmith 1952-4-8 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument. 610 Comment
  UC23827  Loeseliastrum schottii S. B. Parish Apr 4 1896-Apr 13 1896 4127 Riverside Palm Springs (Agua Caliente) desert base San Jacinto Mts., Palm Springs (Agua Caliente) 152 Comment
  UCR254626  Loeseliastrum schottii Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24396 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  SEINET186304 Image available Logfia depressa Philip A. Munz 1940-1 15688 Riverside N end of Pinto Basin, Mohave Desert 610 Comment
  SD137890  Logfia filaginoides Darin L. Banks 1995-4-11 168 Riverside Cleveland National Forest, Agua Tibia Wilderness Area.North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 960 Comment
  RSA612609  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1997-3-13 1494 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  SEINET251687 Image available Lolium rigidum Walter Graves 2002-5-15 502 -18 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields 305 Comment
  UCR1607  Lomatium lucidum R. G. Barber, David L. Davis 1962-5-13 111 Riverside Santa Ana Mtns., l mi. up Ivy St. from center of Murrieta 396 Comment
  RSA524591  Lomatium vaginatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3905 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA655088  Lomatium vaginatum Scott D. White 2000-4-17 7656 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UC1608260  Lonicera subspicata var. denudata Steve Boyd, Tim Ross 1992-5-5 7230 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  UCR51354  Lotus argophyllus S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  UCR51360  Lotus argophyllus B. G. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UCR97462  Lotus argophyllus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19765 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UCR199738  Lotus corniculatus Scott D. White, Justin Wood 2008-6-24 12290 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA523533  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3992 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR226061  Lotus hamatus A. C. Sanders, T. B. Salvato 2011-4-1 38964 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  RSA0119992  Lotus haydonii Duncan S. Bell, Thomas Stoughton 2016-4-13 9260 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA219224  Lotus oblongifolius C. W. Tilforth, John Dourley 1970-10-16 318 Riverside Along road to Santa Rosa Mtn. Comment
  UCR91341  Lotus procumbens var. procumbens A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13788 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  CLARK-A1528-486  Lotus rigidus Charlotte Stocks 1962-4-29 Riverside Comment
  UCR14209  Lotus rigidus N. R. Zabriskie 1973-2-23 565 Riverside Peninsular Range/Sonoran (Colorado) Desert, Boyd's Road Lookout, Deep Canyon, N slope of Santa Rosa Mtns (Site 18) 854 Comment
  RSA639647  Lotus salsuginosus var. brevivexillus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52027 Riverside Chino Canyon. Comment
  CSUSB1268  Lotus scoparius Robert A. Hawthorne 1957-5-2 Riverside Reche Canyon 518 Comment
  RSA314679  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55443 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA583368  Lotus strigosus Steve Boyd, Darin Banks 1995-4-5 8430 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR103169  Lotus strigosus Scott D. White, Julie Greene 1997-3-12 4780 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR155316  Lotus strigosus A. C. Sanders, Mike Misenhelter 2005-3-23 29255 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR234333  Lotus strigosus A. C. Sanders, John F. Green 2012-4-6 40002 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  CLARK-A1528-2810  Lotus subpinnatus John C. Roos 1952-4-9 5478 Riverside Riverside 259 Comment
  HSC92616  Lotus unifoliolatus var. unifoliolatus F. C. Vasek 1964-7-19 6407193 Riverside At Pine Cove, NW of Idyllwild Comment
  RSA736657  Ludwigia peploides Justin M. Wood 2008-7-16 29 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR159109  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CLARK-A1656-749  Lupinus agardhianus Theo Glenn 1979-4-8 Riverside Snow Creek Comment
  POM295542  Lupinus arizonicus Lyman Benson 1949-3-28 13571 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  RSA414841  Lupinus arizonicus T. S. Clare, Johnston 1930-4-13 s.n. Riverside Palm Spring. 305 Comment
  RSA722377  Lupinus arizonicus J. R. Bruff 1928-4-3 171 Riverside 3 mi. So. Cottonwood Springs. Comment
  RSA591821  Lupinus bicolor E. W. Lathrop 1966-3-23 6094 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA711767  Lupinus bicolor A. C. Sanders, Kelly Volansky 2005-3-17 29231 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
  RSA715328  Lupinus bicolor John Green 2006-4-27 s.n. Riverside Peninsular ranges, Foothills of Santa Ana Mtns./Santa Rosa Plateau: Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte. 351 Comment
  SBBG94829  Lupinus bicolor E. LaRue 1990-4-20 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation 365 Comment
  RSA151811  Lupinus bicolor subsp. microphyllus David B. Dunn 1941-3-29 932 Riverside On alluvial fan among Avena. 2 miles west of Corona Comment
  RSA0121052  Lupinus concinnus Duncan S. Bell, LeRoy Gross 2016-3-29 9114 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
  SBBG47454  Lupinus concinnus N. C. Cooper 1944-4-22 1159 Riverside Banning 731 Comment
  UCR164571  Lupinus concinnus S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR52002  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2201 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA515333  Lupinus concinnus subsp. concinnus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 610 Comment
  RSA658919  Lupinus concinnus subsp. optatus Bob Rogers 1984-4-28 22 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  UC213289  Lupinus excubitus I. M. Johnston 1918-4-27 1869 Riverside near Elsinore; near Elsinore 396 Comment
  RSA519402  Lupinus formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA78781  Lupinus formosus Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17278 Riverside Just W of junction of Hwy 74 and road to Anza, south of Idyllwild 1372 Comment
  RSA249454  Lupinus hirsutissimus John F. Emmel 1973-4-7 423 Riverside Twin Pines Creek, at north base of San Jacinto Mts, 1.5 miles SW of Cabazon. 512 Comment
  UCR16243  Lupinus hirsutissimus G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  JEPS65215  Lupinus hyacinthinus W. L. Jepson 2315 Riverside slope of San Jacinto Peak 3169 Comment
  UCR272821  Lupinus latifolius Mitch Provance 2016-6-28 616- 36 Riverside San Jacinto Mountains, Idyllwild, along Strawberry Creek, near the corner of Bicknell Ln. and South Circle Dr. 1636 Comment
  RSA90133  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-8-19 18532 Riverside North of Fullermill Co., 1.3 miles north of Black Mt, Truck Trail, hwy from Banning to Idyllwild 1829 Comment
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Jul 14 2012
  UCR133353  Lupinus microcarpus A. C. Sanders 1985-5-4 5777 Riverside Santa Rosa Mtns, Hwy 74 near Alpine Village 1341 Comment
  UCR102897  Lupinus microcarpus var. densiflorus A. C. Sanders 1997-4-3 20177 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UC150162  Lupinus shockleyi E. E. Schellenger Apr. 1911 Riverside Point of Rocks Whitewater (Whitewater); Colorado Desert, Whitewater Comment
  SD224969  Lupinus sparsiflorus G. K. Helmkamp 1998-4-3 3091 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SD237444  Lupinus succulentus A. C. Sanders, T. B. Salvato 2011-4-1 38948 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 mk NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash (Lake Elsinore 7.5'Q) 402 Comment
  UCR98860  Lupinus succulentus A. C. Sanders, G. Helmkamp 1997-3-15 19989 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA414400  Lupinus truncatus Bonnie C. Templeton 1930-4-15 1486 Riverside Between Perris and Gavilan Peak. 500 Comment
  SDSU14025  Lupinus truncatus Dinna Estrella, M. G. Simpson 2002-4-20 25 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  UCR92658  Lupinus truncatus Scott D. White 1996-3-31 3868 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
  RSA314463  Lycium andersonii Robert F. Thorne, F. R. Fosberg, Herbst 1983-4-23 55475 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD143703  Lycium andersonii G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Colorado Desert: Midland Road., 3.8 mi. SE of Midland, Little Maria Mts. sandy wash Comment
  UC303697  Lycium andersonii I. M. Johnston 1918-5-30 2028 Riverside w of High School (Elsinore); Elsinore 365 Comment
  UCR213386  Lycium andersonii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37445 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  CLARK-A1528-4348  Lycium brevipes John C. Roos 1949-3-19 4105 Riverside Dos Palmas Spring Comment
  CAS-BOT-BC231481  Lycium brevipes var. brevipes W. I. Follett; E. B. Follett 1966-4-25 s.n. Riverside Ancient beach line N. of Salton Sea State Park headquarters Comment
  SD146227  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet; alkaline flats west of town, along Stetson Ave. west of Warren Road. 456 Comment
  RSA356645  Lythrum hyssopifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47309 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UC33264  Madia elegans H. M. Hall 1901-6-29 2268 Riverside w side San Jacinto Mountains; w side San Jacinto Mountains 1615 Comment
  CSUSB1445  Malacothamnus fasciculatus Sue Freeman 1966-5-15 Riverside Hillside above small creek by end of Two Trees Road, below reservoir, in Riverside. 335 Comment
  POM305807  Malacothrix glabrata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1052 Riverside Corona-Elsinore. Comment
  RSA176343  Malacothrix glabrata R. F. Thorne 1963-3-29 32400 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA700098  Malacothrix glabrata Virginia Moran 2003-3-26 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center fot Natural Lands Management. Section 27 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UC55115  Malacothrix glabrata H. M. Hall 1902-4-12 2838 Riverside Coyote Canyon, w Colorado Desert Colorado Desert 152 Comment
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Jun 21 2011
  UC831146  Malacothrix glabrata Ivan Johnston Apr 4 1917-Apr 6 1917 1004 Riverside Mouth of Palm Canyon Colorado Desert Comment
  UCR211818  Malacothrix glabrata Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1080 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  RSA692250  Malacothrix saxatilis var. tenuifolia Scott D. White, Michael Honer 2003-5-27 9401 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  CAS-BOT-BC348026  Malacothrix stebbinsii Carl B. Wolf 1941-4-28 10092 Riverside Mojave Desert. S. base of Old Dad-Granite Mt. Range. Mouth of Willow Spring Canyon 1219 Comment
  UC64247  Malosma laurina H. M. Hall 1897-1 Riverside Winchester Comment
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Mar 20 2011
  UCR117703  Malva parviflora Mitch Provance 1998-3-7 175 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
  RSA0042213  Malva parviflora Margaret Murphy 1983-5-21 0035 -D Riverside Moreno Acres of the unincorporated area known as Sunnymead. North section of parcel 475-090-006, lot 20. Comment
  UCR110371  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA441204  Marah macrocarpa Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  RSA662129  Marah macrocarpa Daniel Curran 1981-2-16 10 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  UCR154828  Marah macrocarpa A. C. Sanders, Mike Misenhelter 2005-3-23 29274 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR225715  Marah macrocarpa A. C. Sanders 2011-3-30 38912 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA698735  Marina parryi W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  SBBG99460  Marrubium vulgare W. L. Halvorson 1977-1-15 77 -24 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  RSA621899  Matricaria matricarioides Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-18 2995 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA667003  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR116900  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR266285  Matricaria occidentalis D. E. Bramlet 2005-5-19 3860 Riverside Perris-Aguanga Basin Region, Stowe Vernal Pool, NW corner of the intersection of Stowe Rd. and California Ave., 7.9 km SW (249 deg. ) of Hemet, 3.4 km (62 deg. ) NE of Winchester 457 Comment
  RSA559433  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  RSA554281  Medicago polymorpha Scott D. White 1992-2-25 92 -6 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA652171  Medicago polymorpha W. H. Grady 1948-5-6 s.n. Riverside Found 2 mi. west of Riverside near drainage ditch, west of Santa Ana River. 243 Comment
  UCR165193  Medicago polymorpha S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  POM348040  Medicago polymorpha Ora M. Clark 1929-3-2 1633 Riverside Near Elsinore. Comment
  UCR234276  Melia azedarach A. C. Sanders 2012-4-12 40020 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 315 Comment
  CAS-BOT-BC281602  Melica imperfecta W. A. Silveus 1938-4-16 2646 Riverside Near Elsinore Comment
  RSA403495  Melica imperfecta Ora M. Clark 1929-3-16 1700 Riverside San Jacinto Mountains Comment
  SDSU13823  Melica imperfecta W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR113150  Melica imperfecta A. C. Sanders 1998-3-11 21682 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR2544  Melica imperfecta F. M. Reed 1906-3-17 925 Riverside Riverside. south fork of Arroyo Tequesquite, opposite bee ranch. Comment
  RSA244817  Melilotus indicus E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek. About 20 miles south of Hemet. 915 Comment
  RSA69703  Mentzelia affinis F. W. Peirson 1928-3-11 7713 Riverside 8 miles SE of Palm Springs, Riverside County. Comment
  UCR232521  Mentzelia albicaulis Dave Silverman, Onkar Singh 2010-3-27 7870 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 3.5 km SW of railroad, W of the A Canal and Levee Blvd, and c. 7 km north of Blythe Airport 135 Comment
  UCSB4238  Mentzelia desertorum Krogen, Roger 1957-1 Riverside 7 mi. E of Mecca on HWY 195, Box Canyon Wash Comment
  RSA618411  Mentzelia dispersa D. L. Banks 1997-5-5 1965 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
  RSA0081619  Mentzelia involucrata Jim M. Andre 2012-4-11 20824 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA342562  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth 1980-5-28 54193 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UC19597  Mentzelia laevicaulis var. laevicaulis Geo. F. Reinhardt June 1897 Riverside Southern California, San Jacinto Valley Comment
  UCR163075  Mentzelia longiloba var. longiloba B. G. Pitzer, G. R. Ballmer 2000-10-14 4231 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  CLARK-A1656-751  Micropus californicus Theo Glenn 1979-3-31 Riverside San Jacinto Mountains Comment
  RSA0065433  Microseris heterocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 609 Comment
  SEINET10808319  Microseris lindleyi Mitch C. Provance 2003-4-26 Provance 9897 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common). 274 Comment
  UC1719503  Mimulus aurantiacus D. Atwood 1993-3-26 17662 Riverside Santa Ana Mountains; 1.5 mi S of Lake Elsinore, along Hwy 74 670 Comment
  POM8471  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2281 Riverside Butte west of Lakeview. 610 Comment
  RSA38705  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11504 Riverside Indian Canyon, along Indian Canyon Truck Trail. Comment
  UC64230  Mimulus aurantiacus var. pubescens H. M. Hall 1900-5-15 Riverside just se Colton; Reche Canyon 457 Comment
  UCSB26695  Mimulus aurantiacus var. pubescens Wilken, Dieter 1969-5-9 Riverside Hidden Valley Campground; Lost Horse Valley; 14 miles south of Joshua Tree; Joshua Tree National Monument Comment
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May 1 2015
  LA209128  Mimulus aurantiacus var. puniceus W. E. Pequegnat; 1939-4-8 43 Riverside Santa Ana Mts Comment
  UCR279587  Mimulus bigelovii A. C. Sanders, Jim Malusa 2017-3-28 43149 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  JEPS8160  Mimulus bigelovii var. bigelovii W. L. Jepson 1928-4-25 12596 Riverside Cottonwood Springs Eagle Mountains 731 Comment
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Oct 23 2011
  RSA522089  Mimulus brevipes Steve Boyd, Tim S. Ross, Kyle Boyd 1989-6-24 3755 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little' Oak Mtn., W of Kolb Creek drainage, N of Hwy 79. Comment
  UCR35247  Mimulus brevipes L. B. Ziegler 1967-8-1 197 Riverside Peninsular Range; San Jacinto Mtns., Upper Herkey Creek area 1524 Comment
  SBBG53759  Mimulus floribundus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UCR114831  Mimulus floribundus Mitch Provance 1998-4-21 1113 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on the north side of Granite Hill Dr. 305 Comment
  JOTR32394  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  UCR131832  Mimulus guttatus Jennie Phui 1998-5-30 034 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR275279  Mimulus guttatus T. B. Salvato, Gregg Miller 2005-6-7 1455 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  PASA127  Mimulus latidens Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  RSA0030781  Mimulus moschatus var. longiflorus Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild 1585 Comment
  CLARK-A1045-159  Mimulus pilosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UC1374895  Mimulus pilosus Noel H. Holmgren and Liew Fah Seong 1969-6-17 3584 Riverside County road R1 at Black Mountain Turnoff (8.5 mi n of Idyllwild); San Jacinto Mountains Comment
  UC729663  Mimulus pilosus Carl B. Wolf 1932-5-25 3675 Riverside 1 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 396 Comment
  SEINET8349861  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 427 Comment
  RSA701399  Mirabilis laevis Steve Boyd, Aydee Virgen 2004-4-13 10861 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR207524  Mirabilis laevis O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  HSC93901  Mirabilis laevis var. crassifolia D. Atwood 1993-3-27 17707 Riverside Corona Del Mar State Park along Newport Coast Drive 0 Comment
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Jul 14 2012
  JEPS29310  Mirabilis laevis var. crassifolia Rimo Bacigalupi and L. Heckard 1962-3-25 8405 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from W); 3.3 miles NW of Alberhill along highway 71 304 Comment
  CAS-BOT-BC384128  Mirabilis laevis var. villosa S. B. Parish; W. F. Parish 1881-4-1 659 Riverside Cabezon [Cabazon] Comment
  RSA651092  Mirabilis multiflora var. pubescens Harold Lint 1958-5-25 2028 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UC1929952  Mirabilis multiflora var. pubescens Scott D. White, Justin Wood 2008-6-16 12128 Riverside San Jacinto Mountains: Fobes Canyon, =/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  CHSC1081  Mirabilis tenuiloba V. Holt 1942-3-27 Riverside Santa Rosa mountains. Comment
  UCR12145  Mirabilis tenuiloba Art Whistler 1966-4-24 s.n. Riverside Western Colorado Desert, Deep Canyon Comment
  POM44293  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  SEINET6192025  Mohavea confertiflora C. Francis Shutts 1949-3-18 47 Riverside Box Canyon on old Mecca-Blythe Hwy. 183 Comment
  UCSB10569  Mohavea confertiflora Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  UCSB7451  Mohavea confertiflora Sage, Paul 1958-3-22 Riverside on S side of U. S. 66; 6 mi. E. of Desert Center 274 Comment
  RSA0027469  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 58 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  LA54310  Monardella australis subsp. australis Ed Peterson; J. A. Ewan 1930-9-1 2163 Riverside Mt San Jacinto 3293 Comment
  CAS-BOT-BC220031  Monardella breweri subsp. lanceolata H. M. Hall 1896-8-28 340 Riverside San Jacinto Mountains. In Strawberry Valley 1600 Comment
  RSA180383  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-6-9 4944 Riverside 14 miles west of Murrieta. Comment
  RSA282906  Monardella lanceolata var. lanceolata C. W. Tilforth, John Dourley 1980-8-15 2066 Riverside Off Hwy 74 on north leg og Thomas Mtn Road, south of Lake Hemet, west of Hwy 74. Comment
  CLARK-A1528-1335  Monardella linoides John C. Roos 1946-9-14 3009 Riverside San Jacinto Mountains 1097 Comment
  UC25484  Monardella macrantha subsp. hallii H. M. Hall 1897-7-16 687 Riverside San Jacinto Mts. 1219 Comment
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  LA96099  Monardella nana Elizabeth McClintock; H. Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  RSA762736  Monardella nana Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 79 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499856  Monardella nana E. McClintock, J. Fenley 1937-7-10 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  UC1499861  Monardella nana Elizabeth McClintock 1940-5-19 9 Riverside 2 1/4 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  RSA750308  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 124 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond Willow Creek. Comment
  SEINET10582210  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 50 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  CLARK-A1528-1334  Monardella nana subsp. tenuiflora Frank C. Vasek 1979-7-26 77907260- 2 a Riverside Santa Rosa Mountains Comment
  RSA679947  Monardella nana subsp. tenuiflora LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1114 Riverside Black Moutain Road (4501), southeast of Black Moutain & northwest of Fuller Mill Creek. 2043 Comment
  RSA767766  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp, on the Banning-Idyllwild road Comment
  UC1499815  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 118 Riverside trail to Suicide Rock (along a level stretch a short distance below the top); San Jacinto Mts. Comment
  UC1499914  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 70 Riverside Stone Creek Banning-Idyllwild road Comment
  SEINET10895197  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 39 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  CAS-BOT-BC220422  Monardella robisonii Peter H. Raven; David Verity 1960-6-5 15495 Riverside Jumbo Rock Camp Ground, Joshua Tree National Monument Comment
  RSA26986  Monoptilon bellidiforme C. L. Hitchcock 1940-3-31 5880 Riverside 0.5 mile below Cottonwood Springs Comment
  POM14063  Monoptilon bellioides P. A. Munz, D. D. Keck 1922-4-9 4866 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  SBBG8633  Monoptilon bellioides T. L. Secrest 1948-4-7 Riverside ca. 18 mi N of Indio 304 Comment
  UC68933  Monoptilon bellioides H. M. Hall May 1905 5989 Riverside near Indio; Colorado Desert Comment
  UC831346  Monoptilon bellioides Alice Eastwood 1913-4-30 2996 Riverside Palm Springs Comment
  UCR260592  Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41552 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  SBBG56964  Muhlenbergia asperifolia M. D. Clary 1928-8-11 70 Riverside Carrizo Crk Comment
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Nov 11 2011
  UCR2778  Muhlenbergia asperifolia F. M. Reed 1907-9-21 1951 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Spring Brook in Pellisier's horse pasture 250 Comment
  JOTR32847  Muhlenbergia microsperma La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1529 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  RSA0104694  Muhlenbergia microsperma Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7762 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  RSA613424  Muhlenbergia microsperma D. L. Banks 1997-4-5 1668 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
  SEINET238467 Image available Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills N side of Diamond Valley along high water road of reservoir unde 549 Comment
  UCD87126  Muhlenbergia rigens H. S. Yates 1936-8-28 6371 Riverside Near Keen Camp. 1584 Comment
  UCR2568  Muhlenbergia rigens F. M. Reed 1906-6-10 996 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, upper south fork of Arroyo Tequesquite 442 Comment
  JEPS29484  Muilla maritima Lauramay T. Dempster 1962-4-18 1898 Riverside Palms-to-Pines Hwy Pinyon Flats 1066 Comment
  RSA357001  Muilla maritima Robert F. Thorne 1973-5-23 43871 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  UCR108860  Muilla maritima Heidi A. Haid 1968-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR116930  Muilla maritima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24213 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
  UCR84604  Muilla maritima Scott D. White 1994-4-21 1953 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA421113  Nama demissa Elbert Benjamine 1929-4-7 152 Riverside Palm Springs. Comment
  UCR88429  Nama demissa A. C. Sanders, K. C. Rose 1995-4-5 16343 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR89893  Nama hispida A. C. Sanders 1992-4-5 12162 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  POM13914  Nama hispida var. spathulata P. A. Munz 1922-4-9 4803 Riverside Hayfields, Chuckawalla Valley. 152 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
  RSA544393  Nassella cernua Steve Boyd 1991-5-30 6321 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  JEPS75681  Nassella lepida W. L. Jepson 1935-4-21 17163 Riverside Wisser Valley Comment
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Apr 7 2009
  UCD48339  Navarretia atractyloides K. Esau 1935-6-15 Riverside Riverside County. Comment
  UCR250401  Navarretia atractyloides Jeremiah George 2012-5-17 s.n. Riverside Beaumont Bench, north slope facing San Timoteo Creek, north of Hwy 60 and south of Oak Valley Parkway, E of Potrero Blvd. 747 Comment
  UCR274539  Navarretia atractyloides Mitch Provance, Ken Halama 2003-6-15 17057 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA593894  Navarretia fossalis R. E. Riefner 1995-11-29 95 -406 Riverside Davis Rd. San Jacinto Wildlife Sanctuary, 0.4 miles S of Old San Jacinto River. Comment
  UCR17617  Navarretia hamata O. F. Clarke, J. M. Harper, Helen Leach 1966-5-27 s.n. Riverside Santa Ana River bottom below the city sewage treatment plant Comment
  RSA256714  Navarretia prostrata R. F. Thorne, E. W. Lathrop 1975-5-25 45563 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  SEINET10939197  Nemacladus glanduliferus var. glanduliferus Philip A. Munz, David D. Keck 1922-4-9 Munz 4824 Riverside South base of Eagle Mountains, 3 miles northeast of the "Hayfields"; Colorado Desert 213 Comment
  SEINET10458383  Nemacladus longiflorus Townsend S. Brandegee 1905-5-12 Brandegee s.n. Riverside Wilder's near Riverside Comment
  UC29166  Nemacladus longiflorus var. longiflorus H. M. Hall 1898-6-28 960 Riverside Strawberry Valley; San Jacinto Mts. 1828 Comment
  UCR35132  Nemacladus longiflorus var. longiflorus L. B. Ziegler 1967-6-21 163 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  RSA0126341  Nemacladus longiflorus var. longiflorus E. C. Jaeger 1921-7-7 1178 Riverside Tahquitz trail. Comment
  RSA525342  Nemacladus ramosissimus Steve Boyd 1990-4-28 4441 -a Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  SEINET3417802  Nemacladus rubescens Andrew C. Sanders, M. Skinner 1995-4-6 16396 Riverside Sonoran (Colorado) Desert; NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  JOTR33970  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding 2010-4-7 2858 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR107894  Nemophila menziesii G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UCR889  Nemophila menziesii Rex Sanders 1973-4-21 s.n. Riverside Peninsular Range, Cajalco Road, 3 mi. west of Mockingbird Canyon Road, south of Lake Matthews 244 Comment
  CLARK-A1528-887  Nicotiana glauca Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR202032  Nicotiana obtusifolia 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
  UCR212972  Nicotiana quadrivalvis Justin M. Wood, Brandy N. Wood 2009-7-4 1044 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  UCD124111  Nuttallanthus texanus Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  CAS-BOT-BC171484  Oenothera californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  UC604974  Oenothera californica subsp. californica Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9666 Riverside between Riverside and Ontario Comment
  UCSB4343  Oenothera sinuosa Koran, John 1958-4-14 Riverside 14.2 mi. W. of HWY111 on HWY 74; just outside of Palm Desert 609 Comment
  CAS-BOT-BC427460  Oligomeris linifolia H. M. Hall 1905-4-1 5775 Riverside Colorado Desert. Indian Well 0 Comment
  RSA4934  Oligomeris linifolia Carl B. Wolf 1932-4-27 3063 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  CLARK-A1703-1202  Olneya tesota Charlotte Stocks 1962-5-5 Riverside Coachella Valley Comment
  POM314609  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  RSA4029  Opuntia basilaris var. basilaris C. B. Wolf 1931-10-14 2456 Riverside Snow Creek 3/4 miles below the Fish Hatchery, N base of San Jacinto Mountains. 427 Comment
  UC592964  Opuntia bigelovii Carl B. Wolf 1932-10-12 4301 Riverside about 4 mi e El Dorado Queen Mine (nw end of basin); Colorado Desert, Pinto Basin 914 Comment
  UC403457  Opuntia chlorotica Munz and Johnston 1922-5-20 5571 Riverside near Kenworthy (mouth of creek, coastal drainage of mts.); San Jacinto Mountains, Thomas Valley, Pipe Creek 1371 Comment
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Mar 13 2011
  SEINET224185  Opuntia littoralis var. martiniana Lyman Benson, Robert Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal/springs 488 Comment
  SEINET9192033 Image available Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5km north of central Banning, 39km NW of central Palm Springs 841 Comment
  CAS-BOT-BC56230  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9459 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA439548  Opuntia ramosissima B. C. Templeton 1965-04 10526 Riverside Joshua Tree. Comment
  RSA388329  Opuntia vaseyi Steve Boyd 1986-5-7 1835 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  JEPS12904  Orobanche cooperi P. A. Munz, D. Keck 1922-4-13 4960 Riverside Colorado Desert, s base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 213 Comment
  JOTR32529  Orobanche cooperi Manson, Stacy 2011-4-6 s.n. Riverside Joshua Tree National Park. southeast Pinto Basin; Pinto Wash, along the road to Pinto Wells 304 Comment
  SEINET10500315  Orobanche cooperi David B. Dunn Dunn 2045 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
  CLARK-A1528-4283  Orthocarpus purpurascens John C. Roos 1947-3-21 3368 Riverside Reche Canyon Comment
  RSA523550  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4010 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR24260  Oxytheca trilobata John C. Roos 1937-8-17 2544 Riverside San Jacinto Mtns., Near Idyllwild Comment
  RSA5019  Paeonia californica Carl B. Wolf 1932-3-20 19 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA535468  Paeonia californica Steve Boyd, Orlando Mistretta, Tim Ross 1992-2-2 6660 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR131802  Paeonia californica Mrs. D. R. Wolf 1932-3-20 19 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  UCR1212  Palafoxia arida Martha McCarthy 1960-3-13 s.n. Riverside Western Colorado Desert, [near Whitewater] side of Hwy 60/99 [now I-10], 2 miles past [east of] the Palm Springs cut-off [approx Hwy 111 junction] 396 Comment
  POM31647  Palafoxia arida var. arida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  POM363763  Palafoxia arida var. arida M. B. Dunkle 1933-3-4 3039 Riverside Painted Canyon 30 Comment
  UC472878  Palafoxia arida var. arida Mary F. Spencer 1920-3-28 222 Riverside Palm Springs Colorado Desert 121 Comment
  UC667291  Palafoxia arida var. arida Annie M. Alexander and Louise Kellogg 1941-5-12 2163 Riverside road to Black Eagle Mine Eagle Mountains 670 Comment
  SEINET223701  Pappostipa speciosa Mary E. Barkworth 1981-5-8 3401 Riverside Near Aguanga close to border with San Diego County 0 Comment
  HSC66618  Parietaria floridana Josephine Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of Orocopia Mtns., in small canyon and wash due S of Oro Pk. 518 Comment
  CHSC109711  Parietaria hespera Steve Boyd; A. Maurice, P. Lubinsky, L. Lubinsky 2003-4-17 10475 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Area burned in 2001. Comment
  JEPS43448  Parietaria hespera var. hespera S. B. Parish 1920-3-25 20013 Riverside Indian Wells; Colorado Desert Comment
  UCR142549  Parietaria hespera var. hespera F. W. Peirson 1920-2-15 1714 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Tahquitz Canyon, near Palm Springs 427 Comment
  CSUSB1654  Parkinsonia aculeata L. Codona 1972-7-25 Riverside Palm Springs 60 Comment
  SJSU10308  Parkinsonia florida R. C. McGehee 1971-4-12 364 Riverside 10 mi NE of Desert Center on Rice-Desert Center Rd Comment
  RSA698040  Parosela californica J. R. Bruff 1928-4-1 74 Riverside Whitewater Comment
  UCR197056  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 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
  RSA781604  Pectis papposa Duncan S. Bell 2011-12-30 3028 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  CAS-BOT-BC541409  Pectis papposa var. papposa Sarah J. De Groot; Duncan S. Bell 2015-9-21 7585 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Carrizo Rd just N of Hwy 74 1053 Comment
  UCR108477  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16145 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  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
  HSC3747  Pectocarya heterocarpa C. L. Hitchcock 1966-3-21 24328 Riverside About 15 mi. S of Rice, on dirt road to Blythe. Comment
  UCR163921  Pectocarya heterocarpa A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29133 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR89890  Pectocarya heterocarpa A. C. Sanders, E. J. Lawlor 1992-4-4 12117 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  VVC2449  Pectocarya heterocarpa Tim Thomas 2013-3-18 5936 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UC1922868  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  UCR91438  Pectocarya linearis Scott D. White 1995-3-30 2636 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA524224  Pectocarya linearis subsp. ferocula Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4018 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA702187  Pectocarya linearis subsp. ferocula Scott D. White, Michael Honer 2004-3-11 9898 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCD120125  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-16 24180 Riverside 0.25 mile west of Aguanga. Comment
  RSA676088  Pectocarya penicillata Scott D. White 2001-4-13 8323 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UC1114562  Pectocarya penicillata Peter H. Raven 1958-3-15 11838 Riverside Box Canyon Comment
  UCR22131A  Pectocarya penicillata Steve Boyd 1980-5-3 171 A Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR35181  Pectocarya penicillata L. B. Ziegler 1972-5-18 462 Riverside San Jacinto Mtns., Upper Pipe Creek (drains into Hemet Valley) 1585 Comment
  UC882286  Pectocarya platycarpa I. W. Clokey 1935-4-17 6860 Riverside Colorado Desert, Cottonwood Springs Comment
  RSA695831B  Pectocarya recurvata J. R. Bruff 1928-4-2 97 -B Riverside Canyon wash west of Morango Comment
  UCR116618  Pectocarya recurvata A. C. Sanders 2001-3-20 23834 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  RSA741190  Pectocarya setosa Scott D. White, Justin M. Wood 2008-6-16 12131 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  POM12896  Pedicularis semibarbata Philip A. Munz 1922-6-28 5880 Riverside Near Toro Peak , Santa Rosa Mts. 2409 Comment
  RSA425316  Pedicularis semibarbata N. C. Cooper 1944-6-17 1409 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  RSA691960  Pellaea andromedifolia Scott D. White, Michael Honer 2003-4-9 8986 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak e2349.' 549 Comment
  CAS-BOT-BC71529  Pellaea mucronata var. californica S. B. Parish; W. F. Parish 1881-7-1 511 Riverside San Jacinto Mts. Comment
  RSA523503  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3963 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA585636  Pellaea mucronata var. mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA23660  Penstemon X parishii R. S. Woglum 1939-4-22 2189 Riverside Upper part of Bautista Canyon between Anza and Hemet. Comment
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Jun 9 2012
  RSA97165  Penstemon X parishii R. M. Straw 1953-6-23 473 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  RSA750550  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR20116  Penstemon californicus Jeanine Derby 1976-8-10 s.n. Riverside San Jacinto Mtns., Garner Valley 1372 Comment
  UCR50419  Penstemon centranthifolius L. F. LaPre 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  RSA0120326  Penstemon clevelandii subsp. connatus Duncan S. Bell, Thomas Stoughton 2016-4-14 9292 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
  JOTR31150  Penstemon eatonii var. undosus La Doux, Tasha 2009-6-3 1859 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UC454771  Penstemon grinnellii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 Comment
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  RSA402128  Penstemon labrosus N. C. Cooper 1944-7-15 1590 Riverside Palms to Pine Hwy 1463 Comment
  RSA607430  Penstemon labrosus Claire R. Wheeler 1931-3-3 179 Riverside Strawberry Valley. Comment
  POM11257  Penstemon spectabilis Philip A. Munz 1922-6-24 5796 Riverside Pipe Creek, Hemet Valley 1555 Comment
  SD229292  Penstemon spectabilis Dick Schwenkmeyer 2012-4-18 699 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR15978  Penstemon spectabilis K. S. Gill 1965-3-21 49 Riverside Santa Ana Mtns, Tin Mine Canyon at the foot of Skyline Drive, south of Corona 610 Comment
  UCSB40483  Penstemon spectabilis Hendon, Emily 1980-5-23 Riverside Along old Banning-Idyllwild Rd. 4 miles east of junction with Highway 243 457 Comment
  JEPS21329  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1292 Riverside Strawberry Valley San Jacinto Mt. Comment
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Jul 8 2014
  JEPS21332  Pentachaeta aurea Carl V. Meyer June, 1927 184 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UCSB26819  Pentachaeta aurea Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns. Comment
  SEINET3873568  Pentagramma triangularis subsp. triangularis Lewis S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. west of Palm Springs.; 0 671 Comment
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Apr 6 2018
  SEINET9259737 Image available Pentagramma triangularis subsp. triangularis George K. Helmkamp, Amy Barnes 2013-1 22311 Riverside Sierra Nevada Mountains Foothills: Utica Powerhouse Road (beside Angel's Creek), 0.6 mile northeast of its junction with CA-4 (Murphys 7.5 Q) 974 Comment
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Apr 12 2018
  UCR234538  Peritoma arborea L. R. Landrum 1997-1-1 8914 Riverside Sonoran (Colorado) Desert, north of Palm Springs, c. 1.5 miles north of Hwy 10 on road to Joshua Tree National Monument Comment
  CAS-BOT-BC355916  Perityle W. C. Gagne 1968-3-16 s.n. Riverside Wash in Deep Canyon, Boyd Desert Res. Center in Palm Desert Comment
  CAS-BOT-BC355991  Perityle emoryi D. E. Breedlove 1962-3-11 1888 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC355999  Perityle emoryi G. D. Hanna; M. M. Hanna 1958-2-19 s.n. Riverside Orocopia Mts. Comment
  RSA0117921  Perityle emoryi Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7651 Riverside Mecca Hills: Side canyon along Painted Canyon Road. northeast of Mecca, northwest of Box Canyon. 170 Comment
  RSA608393  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  SEINET4568271 Image available Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR274808  Perityle emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 024 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR281925  Petalonyx thurberi A. C. Sanders, Jim Malusa 2017-9-20 43345 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 2 km NW (303 deg. ) of Tabaseca Tank, 6.2 km SE of Salt Creek at mouth of Red Canyon 573 Comment
  RSA0089266  Petunia parviflora D. E. Bramlet, Fred M. Roberts 2005-6-6 3868 Riverside San Jacinto Valley: San Jacinto River at Sanderson Ave., north of Ramona Expressway. 447 Comment
  UCD126728  Petunia parviflora Leslie Ede 1974-6-1 s.n. Riverside Blythe. Comment
  UCR148787  Petunia parviflora Les Ede 1974-1 s.n. Riverside Sonoran (Colorado) Desert, Blythe, Colorado River Valley 84 Comment
  CAS-BOT-BC326771  Peucephyllum schottii Peter H. Raven 1958-1-23 11429 Riverside Fargo Canyon Comment
  RSA517238  Peucephyllum schottii Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1325 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UC91062  Peucephyllum schottii S. B. and W. F. Parish 1882-4-1 Riverside Morongo Comment
  UCR147005  Peucephyllum schottii Scott D. White 1999-4-21 7246 Riverside Sonoran (Colorado) Desert, East end of Coachella Valley: Bajada between Little San Bernandino Mts. and Indio Hills 213 Comment
  RSA94111  Peucephyllum schottii F. W. Peirson 1918-03 1244 Riverside SE side of desert embankment at Palm Springs and almost opposite Andreas Canyon. Comment
  RSA0119994  Phacelia affinis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9085 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA425998  Phacelia ambigua M. B. Dunkle 1933-3-4 3050 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA426002  Phacelia ambigua M. B. Dunkle 1932-3-25 2914 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA426009A  Phacelia ambigua H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert between Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  CAS-BOT-BC133963  Phacelia campanularia Ynez Whilton Winblad 1937-3-18 s.n. Riverside Near Cabezon Comment
  POM14060  Phacelia campanularia P. A. Munz, D. D. Keck 1922-4-14 5003 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA774714  Phacelia campanularia subsp. vasiformis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4521 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SBBG37427  Phacelia cicutaria var. hispida R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UCR241243  Phacelia cicutaria var. hispida Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 510 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCD120357  Phacelia crenulata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, et al 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR148465  Phacelia crenulata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCSB34131  Phacelia crenulata var. ambigua Nilsen, Erik 1977-3-5 Riverside Upper Bajata, Riverside county 304 Comment
  RSA0130728  Phacelia crenulata var. minutiflora Glen Rink 2013-3-18 11876 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UCR88543  Phacelia cryptantha A. C. Sanders 1995-4-13 16490 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
  CAS-BOT-BC133968  Phacelia distans Geo. B. Grant 1906-4-20 6780 Riverside Palm Springs Comment
  RSA33656  Phacelia distans N. C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  SD187426  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region: just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  UCR104034  Phacelia distans George K. Helmkamp 1998-2-5 2638 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR115934  Phacelia distans Mitch Provance 1998-4-7 1777 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
  SEINET1908502  Phacelia imbricata A. C. Sanders, Mitch Provance 2008-1 35787 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  RSA125333  Phacelia imbricata subsp. patula R. Weatherby 1949-6-6 642 Riverside Santa Rosa Mountain. 1982 Comment
  UCR620B  Phacelia minor S. C. Warner 1956-4-21 s.n. Riverside Box Spings Mtns., top of mtns, saddle off W side of road, between Pigeon Pass and ranch west of road 701 Comment
  JOTR36431  Phacelia neglecta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3403 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
  UCR38115  Phacelia pedicellata J. M. Stewart 1985-3-16 8511 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  JEPS1349  Phacelia ramosissima var. latifolia W. L. Jepson 1903-8-5 2269 Riverside near meadow on side hill near Strawberry Valley; San Jacinto Mt. 1737 Comment
  UC729536  Phacelia ramosissima var. latifolia Carl B. Wolf 1932-5-24 3642 Riverside 1/2 mi below Fish Hatchey; No. base of San Jacinto Mts., Snow Creek Canyon 548 Comment
  UCR20521  Phacelia viscida H. A. Zuill 1966-6-5 197 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  UCR116475  Phalaris lemmonii A. C. Sanders, T. B. Salvato 2001-5-25 24375 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  JEPS69926  Phlox austromontana W. L. Jepson 1907-5-25 1439 Riverside near Santa Rosa Peak (sw side in upper Coyote Canyon); Coyote Canyon 762 Comment
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Dec 12 2011
  UCR69908  Phoenix canariensis A. C. Sanders 1991-7-19 11152 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA770435  Pholistoma membranaceum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4567 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SEINET8000821  Pholistoma membranaceum Ana Lilia Reina G. 2003-3-30 2003 -324 Riverside Palm Canyon, Agua Caliente Indian Reservation, edge of Palm Spring NWbase of San Jacinto Mountains 274 Comment
  UCD102027  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  RSA132803  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines highway between Palm Springs and Keen Camp, State Hgwy 74.Colorado Desert Vegetation Type.Parasitic on Dalea spinosa. Comment
  RSA420753  Phoradendron densum E. Crow 1928-11-12 46 Riverside Morongo Valley, Colorado Desert. Comment
  UCR270703  Phoradendron densum John F. Emmel 1998-8-3 1583 Riverside Peninsular Range, north end of the Santa Rosa Mountains, south base of Sugarloaf Mountain, Pinyon Flat 1220 Comment
  UCR52005  Phoradendron densum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  SEINET269096  Phoradendron libocedri G. Helmkamp, L. Helmkamp 1995-11-16 2 -2 Riverside San Jacinto Mtns. Lake Fulmor at Hwy 243. 1620 Comment
  CAS-BOT-BC141174  Phoradendron serotinum subsp. macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River NW of Corona 182 Comment
  CAS-BOT-BC141175  Phoradendron serotinum subsp. macrophyllum W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon Comment
  CLARK-A1528-613  Phoradendron tomentosum subsp. macrophyllum C. M. Flanagan 1973-5-31 OO 634 Riverside Morongo Indian Reservation 914 Comment
  POM49490  Phoradendron villosum Philip A. Munz 1924-7-28 8813 Riverside Pine Flats. 1738 Comment
  POM10222  Phyla lanceolata F. M. Reed 1906-7-8 1130 Riverside West Riverside. Comment
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Jul 4 2010
  RSA124414  Physalis crassifolia Percy C. Everett, E. K. Balls 1958-4-29 23018 Riverside U.S Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
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Mar 20 2011
  RSA644212  Physalis crassifolia Victor W. Steinmann 1999-10-26 1414 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  JOTR32858  Physaria tenella La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. southeastern Hexie Mountains, near Smoke Tree Wash along Rte 11 Comment
  UC1129859  Pickeringia montana var. montana R. St. John 1931-2-27 189 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
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Nov 27 2011
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA0031608  Pinus contorta subsp. murrayana Rudolf Schmid, Mena Schmid 2009-5-3 2009 -7 Riverside San Jacinto Mtns., Tahquitz Peak. Just right (as ascending) of South Ridge Trail to Tahquitz Peak. 2628 Comment
  CAS-BOT-BC78434  Pinus contorta var. latifolia Carl B. Wolf 1932-8-5 3984 Riverside San Jacinto Mts., Summit of San Jacinto Peak 3293 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
  RSA384331  Pinus flexilis George R. Johnstone 1928-9-3 s.n. Riverside Mt San Jacinto. 3294 Comment
  RSA5898  Pinus flexilis C. B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along the trail above Round Valley. 2927 Comment
  CLARK-A1528-3630  Pinus quadrifolia John C. Roos 1938-8-7 585 Riverside San Jacinto Mountains Comment
  SDSU18963  Plagiobothrys canescens var. canescens C. Matt Guilliams, Jeannine Ross 2008-3-12 534 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 436 Comment
  UCR116666  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-5-10 24232 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR111554  Plagiobothrys collinus var. californicus Mitch Provance, J. Ross 1999-4-1 1729 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR256897  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  RSA80216  Plagiobothrys leptocladus F. W. Peirson 1922-4-29 4273 Riverside Field S of Lake Elsinore 375 Comment
  SBBG94832  Plagiobothrys nothofulvus E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation 365 Comment
  UCR91870  Plagiobothrys nothofulvus A. C. Sanders, S. Hawkins 1996-4-24 18077 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  POM13801  Plagiobothrys tenellus P. A. Munz 1922-4-30 5133 Riverside Tucalota Creek, south of Hemet Comment
  RSA192205  Plagiobothrys undulatus E. W. Lathrop 1966-4-24 6202 Riverside 4 miles W of Murrieta Comment
  RSA0135564  Plantago elongata R. E. Riefner 2017-4-2 17 -144 Riverside City of Hemet, W Hemet, S of W Florida Ave. (SR 74), SW ca. 0.35 mi from Lyn Ave and California Ave. 482 Comment
  SDSU18737  Plantago erecta C. Matt Guilliams 2008-2-13 449 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Just south of edge of mesatop. 426 Comment
  SD122968  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5.0 miles west of Ranco California at junction of Rancho California Road and DeLuz Road. 427 Comment
  POM4551  Plantago lanceolata Geo. R. Hall 1908-1 8485 Riverside Riverside Comment
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Feb 3 2011
  UCR37481  Plantago major Steve Boyd 1981-5-15 s.n. Riverside Dawson Canyon, Gavilan Hills Comment
  POM305602  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 880 Riverside Blythe, Colorado River bluffs. Comment
  CLARK-A1528-698  Platanus racemosa Rand Ch. Isbell 1970-5-14 3 Riverside Box Springs 365 Comment
  RSA691063  Platystemon californicus Scott D. White, Michael Honer 2003-4-9 8981 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR103734  Platystemon californicus A. C. Sanders, G. Helmkamp 1997-3-15 19985 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 Comment
  RSA129652  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 miles NW of Edon 49 Comment
  CLARK-A1045-141  Pleurocoronis pluriseta George K. Helmkamp 1977-3-20 Riverside Deep Canyon rocky wall; Palm Desert 15'Q Comment
  CLARK-A1045-218  Pleurocoronis pluriseta George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; wash; Lost Horse Mtn. 15'Q Comment
  LA102219  Pleurocoronis pluriseta John C. Roos; 1966-3-10 sn Riverside Chuckwalla Mountains, 3 mi. SE of Desert Center Comment
  SD40731  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon 760 Comment
  CAS-BOT-BC326511  Pluchea sericea W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon Comment
  CLARK-A1528-4813  Poa annua John C. Roos 1965-10-7 Riverside Hemet Comment
  UCR174342B  Poa annua A. C. Sanders 2006-5-19 32396 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR6673  Poa bulbosa E. W. Lathrop 1967-1 5661 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Santa Ana Mtns, Tenaja Ranger Station Comment
  RSA740652  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside Meadows at Baldy Mtn. 1585 Comment
  SEINET1911032  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12260 Riverside San Jacinto Mountians: Meadows at Baldy Mtn. 1585 Comment
  UCD91844  Poa pratensis Alan A. Beetle 1946-6-10 4403 Riverside San Jacinto Mountain, Camp Keene Meadow. Comment
  RSA801939  Poa pratensis subsp. pratensis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6180 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA552738  Poa secunda Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6760 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR92675  Poa secunda Scott D. White 1994-5-4 2014 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA583732  Poa secunda subsp. secunda Steve Boyd 1995-4-24 8497 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  UC1022815  Poa secunda subsp. secunda Philip A. Munz 15658 Riverside 2 mi n Banning (Indio Blvd); Whitewater Canyon Comment
  POM179207  Polygala acanthoclada A. M. Alexander, Loiuse Kellogg 1941-5-18 2195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
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Oct 9 2010
  RSA674526  Polygonum arenastrum Scott D. White 2000-11-15 8149 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  UCR49989  Polygonum aviculare S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UCR34117  Polygonum fagopyrum Lance F. Howard 1984-5-25 035 Riverside Riverside, 3950 Cedar St. between 9th and 10th Sts. 244 Comment
  RSA630328  Polygonum lapathifolium Scott D. White 1996-9-22 4539 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  RSA689923  Polypodium californicum Norman C. Cooper 1947-4-5 2033 Riverside Los Alamos Canyon, Elsinore 762 Comment
  RSA651728  Polypogon monspeliensis Viki Cruz 1983-5-8 15 Riverside Collected on the banks of the stream one-half mile into Magnesia Canyon, Santa Rosa Mts. Comment
  JOTR30282  Polypogon viridis La Doux, Tasha, Alice Miller 2007-5-31 1778 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  IRVC16603  Polystichum imbricans subsp. curtum Gordon A. Marsh, K. G. Marsh 1977-3-21 s.n. Riverside Santa Ana Mtns: Orange/Riverside county border; Bear Springs. Peninsular Ranges Comment
  RSA125852  Populus fremontii E. K. Balls, Percy C. Everett 1957-11-13 22797 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  RSA500090  Populus fremontii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3219 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  UCR225586  Populus fremontii A. C. Sanders, T. B. Salvato 2011-3-29 38865 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  JEPS64528  Populus fremontii subsp. fremontii S. B. Parish 1913-3-1 8470 Riverside Cult. at Railway station Indio Indio (Salton Basin); Salton Basin -6 Comment
  LA208534  Populus fremontii subsp. fremontii Mary V. Hood; 1945-3-25 45- 17 -k* Riverside Aguanga 587 Comment
  SEINET4560400  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-1 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 24 Comment
  RSA320351  Porophyllum gracile J. R. Shevock 1978-4-26 5883 Riverside Along Skyline Road, Santa Ana Mtns, Cleveland National Forest. 366 Comment
  CAS-BOT-BC267209  Potamogeton foliosus Thorne; E. Lathrop 1969-6-6 39343 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  UCR95362  Potamogeton pusillus E. W. Lathrop 1969-5-29 7079 Riverside Peninsular Range; Santa Ana Mtns., 8 miles west of Murrieta; Santa Rosa Plateau, Mesa de Colorado Comment
  RSA0107465  Prenanthella exigua Duncan S. Bell, Amanda Turek 2009-3-30 161 Riverside East side of the Arica Mountains; approximately 1.3 air miles west northwest of Priest Well. 381 Comment
  UCR211500  Proboscidea althaeifolia Jim Andre, T. La Doux 2008-9-13 10267 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along dirt road c. 2 mi. north of Desert Center, 0.5 mi. west of Tamarisk Golf Course/Kaiser Road jct. 234 Comment
  UCR242297  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40423 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR63905  Proboscidea althaeifolia G. R. Ballmer 1990-8-21 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, 5 mi. west of Hwy 78, on Bradshaw Trail Comment
  UCR92705  Proboscidea parviflora var. hohokamiana A. C. Sanders, S. Hawkins 1996-4-24 18084 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA172308  Prosopis glandulosa var. torreyana Robert F. Thorne 1963-3-29 32427 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  UC453990  Prunus emarginata I. J. Condit 1910-6-22 Riverside Tahquitz Camp, San Jacinto Mountains Tahquitz Camp; San Jacinto Mountains, Tahquitz Camp 2438 Comment
  POM296515A  Prunus fasciculata Lyman D. Benson 1954-5-2 15277 Riverside Hidden Valley Camp, Joshua Tree National Monument. Mojave Desert Drainage Area. 1341 Comment
  RSA78209  Prunus fremontii J. C. Roos, L. Roos 1953-3-21 5908 Riverside Mouth of Andreas Canyon, south of Palm Springs. 274 Comment
  RSA650387  Prunus ilicifolia C. J. Humphrey 1936-6-7 134 Riverside [No location information provided.] Comment
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Dec 15 2011
  SDSU9172  Prunus ilicifolia subsp. ilicifolia H. Wedberg 1962-7-28 987 Riverside 6.0 miles from Mountain Center on the road to Hemet, Idyllwild Mtns. 1219 Comment
  CAS-BOT-BC356664  Pseudognaphalium californicum Carl B. Wolf 1936-6-17 7952 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 365 Comment
  JEPS23585  Pseudognaphalium californicum Peter H. Raven 1958-5-17 12953 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  SD137884  Pseudognaphalium leucocephalum Darin L. Banks, Steve Boyd 1995-10-17 791 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; along lowere Arroyo Seco, south of Dripping Springs Campground. 515 Comment
  JOTR30279  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  RSA770784  Pseudognaphalium luteoalbum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4535 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC485673  Pseudognaphalium thermale A. J. Perkins 1916-9-17 Riverside Idlywild <may be Idlewild> San Jacinto Mt., Idlywild Comment
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Oct 19 2008
  RSA344289  Psilocarphus brevissimus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51970 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR220329  Psilocarphus brevissimus D. E. Bramlet 1992-4-15 2224 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  CAS-BOT-BC361790  Psilocarphus brevissimus var. brevissimus Philip A. Munz 1941-5-18 16648 Riverside About 15 miles north-east of Temecula Comment
  UCR75318  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 14004 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  JEPS41715  Psorothamnus arborescens var. simplicifolius W. L. Jepson 1928-4-25 12625 Riverside W side Pinto Mountains (White Tank) Comment
  CAS-BOT-BC353646  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside 2 miles SE of Salton Bench Mark, Colorado Desert -67 Comment
  RSA48326  Psorothamnus emoryi E. K. Balls 1949-4-4 129060 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  RSA498359  Psorothamnus emoryi H. de Forest, George R. Johnston 1925-4-17 s.n. Riverside Between Banning and Whitewater Comment
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Jan 16 2010
  SFV21860  Psorothamnus emoryi J. R. Pucci 2001-5-12 25 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  SD27953  Psorothamnus emoryi var. emoryi Carl B. Wolf 1932-4-26 2967 Riverside Colorado Desert 3 miles east of Mecca on blythe road Comment
  CAS-BOT-BC340874  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 b Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  CAS-BOT-BC340875  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside At entrance to Painted Canon [Canyon], Colorado Desert Comment
  JEPS41664  Psorothamnus schottii M. Clary 1929-10-1 12 Riverside Coral Reef Canyon , Coral Reef Canyon (Santa Rosa Mts.) 0 Comment
  UCR126437  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  SEINET12155971  Psorothamnus schottii E. A. Purer 1935-1 6462 Riverside Near Palm Springs, Colorado Desert Comment
  SD224975  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 22 Comment
  SD37842  Psorothamnus spinosus Jack Rempel 1931-4-11 Riverside Colorado Desert Comment
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Jul 11 2010
  CAS-BOT-BC72618  Pteridium aquilinum Carl B. Wolf 1932-8-4 3911 Riverside San Jacinto Mts., Point View, near Idyllwild 1645 Comment
  RSA561122  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-12 7313 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA798605  Pteridium aquilinum var. pubescens R. F. Thorne, E. W. Lathrop 1977-5-18 49759 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA586318  Pterostegia drymarioides D. L. Banks, S. D. Boyd 1995-5-3 229 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA778327  Pterostegia drymarioides N. C. Cooper 1944-5-21 1288 Riverside San Jacinto Mountains, West side 915 Comment
  UCR112964  Pterostegia drymarioides B. G. Pitzer 1998-3-1 3559 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UC1092709  Purshia tridentata var. glandulosa Eamor C. Nord 1957-5-14 16 Riverside 1 mi e Nightingale 1310 Comment
  UC876185  Pyrola picta Mary F. Spencer 1923-7-30 2264 Riverside San Jacinto Mountain, Idyllwild, Banning Road Idyllwild; San Jacinto Mountain, Idyllwild 1828 Comment
  SD67914  Pyrola picta f. aphylla Reid Moran 1968-8-3 15367 Riverside under firs, north slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  UCR278566  Quercus Mitch Provance 2012-9-5 912- 16 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCR15350  Quercus X munzii Richard Minnich 1976-4-25 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Live Oak Tank 1311 Comment
  CAS-BOT-BC61824  Quercus agrifolia Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts. San Juan Canyon, highway 74 609 Comment
  SD122174  Quercus agrifolia James C. Dice, Ruth Miller 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. 365 Comment
  SD152836  Quercus agrifolia Steve Boyd, Tim Ross 1992-5-5 7217 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA751628  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 540 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  SDSU12877  Quercus agrifolia var. agrifolia J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 33 Riverside Next to main entrance gate to Santa Margarita Field Station 354 Comment
  RSA710828  Quercus berberidifolia A. C. Sanders, Mark A. Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 549 Comment
  UCR250003  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR250923  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR264620  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 32 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  CAS-BOT-BC62434  Quercus chrysolepis Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz, San Jacinto Mts. Comment
  LA46441  Quercus chrysolepis W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SD229171  Quercus chrysolepis Dick Schwenkmeyer 2012-6-27 733 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR101421  Quercus chrysolepis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22213 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  NY201962  Quercus cornelius-mulleri J. B. Walker 1995-5-3 1408 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  POM296380  Quercus cornelius-mulleri Lyman Benson 1946-4-15 12042 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCD45609  Quercus cornelius-mulleri Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
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Nov 6 2011
  SBBG92531  Quercus engelmannii B. Pitzer 1988-6-8 1045 Riverside Rancho Californica area, avocado grove S of Avenida del Oro, just past Calle Capistrano 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
  UCR169243  Quercus kelloggii Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 83 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  SEINET13953263 Image available Quercus palmeri J. C. Roos 1965-1 Riverside Summit of Pines to Palms Road (Hwy 74) south of Palm Desert, Santa Rosa and San Jacinto Mountains. Comment
  POM183874  Quercus turbinella P. A. Munz 1932-10-16 12845 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  JOTR35493  Rafinesquia californica La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3181 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCR152520  Rafinesquia californica A. C. Sanders 2005-4-22 29592 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR167820  Rafinesquia californica John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  POM34177  Rafinesquia neomexicana Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, West Colorado Desert 305 Comment
  RSA772843  Rafinesquia neomexicana Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4720 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  RSA775598  Rafinesquia neomexicana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 797 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC830533  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  UCR19340  Rafinesquia neomexicana E. B. Eldred 1977-4-10 s.n. Riverside Santa Rosa Mtns., Agave Hill at Deep Canyon reserve 838 Comment
  CAS-BOT-BC378493  Ranunculus californicus var. californicus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA0085044  Raphanus sativus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 7 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR140689  Rhamnus crocea Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 58 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  OBI37518  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa rosa Plateau region, NW base of Redonda Mesa on Tenaja rd, 0.8 mi E of jctn with 8S01 and 8S02 Comment
  RSA381079  Rhamnus ilicifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61182 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA652630  Rhamnus ilicifolia R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  UC592702  Rhamnus ilicifolia P. C. Everett 1935-6-17 Riverside 0.5 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Canyon 457 Comment
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Jan 11 2007
  UCR26214  Rhamnus ilicifolia John C. Roos 1948-5-15 3833 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  UCR270562  Rhamnus ilicifolia John F. Emmel 1998-5-2 1543 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  RSA719475  Rhamnus pilosa R. E. Riefner Jr. 2006-10-11 06 -529 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 614 Comment
  UC1178623  Rhamnus tomentella subsp. cuspidata Peter Kamb 1948-7-4 1172 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UC18581  Rhamnus tomentella subsp. cuspidata H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains, Fuller's Mills San Jacinto Mountains 1828 Comment
  CAS-BOT-BC167973  Rhus ovata Carl B. Wolf 1932-5-24 3643 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  SEINET3080864 Image available Rhus trilobata A. C. Sanders, J. Goetzen 1996-5-1 18138 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 792 Comment
  UCR244389  Rhus trilobata Jim Andre 2012-4-16 20970 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  SD73468  Rhus trilobata var. pilosissima E. W. Lathrop 1969-6-6 7110 Riverside 8 miles west of Murrieta, on the Tenaja Truck Trail between Santa Rosa Road and Los Alamos Canyon Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  UCR51363  Ribes indecorum B. G. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UCR82800  Ribes indecorum A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14226 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CAS-BOT-BC219231  Ribes nevadense 1914-9-6 s.n. Riverside Strawberry Valley, San Jacinto Mountains 1828 Comment
  SEINET13942920 Image available Ribes quercetorum Scott D. White 1995-1 2752 Riverside SW of Juniper Flat Road, USGS Lakeview 7.5' quad., Lakeview mountains About 1900 ft elev. 33 deg. 48' N, 117 deg. 6' W. T4S, R2W, S28 NE 1/4 579 Comment
  UCR81108  Ribes roezlii var. roezlii Scott D. White 1993-5-29 1436 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  UC50167  Romneya coulteri H. M. Hall 1899-7-4 1280 Riverside below Corona; Santa Ana River Comment
  UCR213500  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38409 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd., 0.2 mi. NNE (19 deg. ) of north end of Black Powder Rd. 415 Comment
  CSUSB1434  Rorippa nasturtium-aquaticum Rose Gagnon 1968-5-14 680514 1 Riverside On north bank of Santa Ana River where Salt Lake City bridge is located Comment
  UC1563098  Rorippa palustris Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3553 Riverside marsh in Kolb Creek (just south of lake Vail Lake area); Vail Lake area, pond and marsh in Kolb Creek Comment
  RSA736648  Rorippa palustris subsp. occidentalis Justin M. Wood 2008-7-16 38 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 28 2010
  CLARK-A1528-4044  Rubus parviflorus John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  UC12972  Rubus parviflorus H. M. Hall 1898-6-30 961 .5 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1828 Comment
  CLARK-A1528-4045  Rubus vitifolius John C. Roos 1952-6-25 5793 Riverside Riverside Comment
  UCR202029  Rumex Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  SD51945  Rumex californicus Reid Moran 1962-7-7 9861 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR158322  Rumex crispus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30065 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
  SEINET238572  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash between the Market St. and Riverside Ave crossings. 244 Comment
  CAS-BOT-BC434151  Rumex triangulivalvis Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC445  Ruppia cirrhosa A. J. McClatchie May 1892 42 Riverside near Elsinore (Salt Lake); Salt Lake Comment
  RSA389636  Sagina C. Sylber 1986-5-20 s.n. Riverside Yard at 1040 Central Ave., Riverside. Comment
  UCR86032  Sagina decumbens subsp. occidentalis Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UC888146  Salazaria mexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  UCR17313  Salazaria mexicana N. R. Zabriskie, W. W. Zabriskie 1972-3-30 504 Riverside San Jacinto Mtns, below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring, NW of Hwy 74. Site 11. 1098 Comment
  CAS-BOT-BC129703  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains 1316 Comment
  POM296373  Salix exigua Lyman D. Benson 1945-4-6 11662 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  SD1019  Salix exigua var. hindsiana 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 239 Comment
  CAS-BOT-BC108113  Salix gooddingii Fay A. Mac Fadden 1936-3-20 14666 Riverside Morongo Valley Comment
  CAS-BOT-BC108118  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Lee Lake, Temescal Canyon [Canon] 335 Comment
  LA208656  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  POM184883  Salix gooddingii Carl. W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert. Comment
  SBBG119116  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  SBBG58895  Salix gooddingii F. R. Fosberg 1932-3-13 8081 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC108213  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  LA208734  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-19 7679 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  POM50387  Salix laevigata W. W. Eggleston 1924-3-10 19539 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA381082  Salix laevigata Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61179 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon.Santa Rosa Island. W side of Tecolote Canyon, just S of Smith Highway. 535 Comment
  UCR17464  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1970-3-27 268 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, east slope of mountains 305 Comment
  POM319099  Salix lasiolepis Patricia Wilder 1970-10-30 4830 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  POM362681  Salix lucida subsp. lasiandra H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon. 549 Comment
  SD119919  Salsola tragus Louis B. Ziegler 1976-6-20 549 Riverside Vacant land and borders in the San Jacinto Valley. 470 Comment
  SD229200  Salvia apiana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 632 Riverside Mt. San Jacinto 1085 Comment
  SEINET269559  Salvia apiana Scott D. White 1996-5-27 4070 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  UC534838  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  UCR42549  Salvia apiana B. G. Pitzer 1986-4-26 0186 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SEINET2066008 Image available Salvia carduacea Howard Gentry, Marie Gentry 1982-8-3 23714 Riverside Five miles SW of Anza along Hwy 371. 1066 Comment
  UCR215631  Salvia carduacea Bao Doan 2010-5-31 15 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. south of San Gorgonio River wash, north of Riza Ave. in power line right-of-way 472 Comment
  HSC14336  Salvia columbariae D. W. Snell 1964-3-26 26 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  POM13462  Salvia columbariae P. A. Munz 1922-5-19 5367 Riverside 5 miles NE of Murietta. 457 Comment
  RSA0039607  Salvia columbariae Deidre Conocchioli, Duncan S. Bell 2014-3-4 146 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA522748  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3856 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
  SDSU7474  Salvia columbariae J. Godsil 1953-3-20 583 Riverside Hwy to 29 alms; Johua National monument. Comment
  UCR226056  Salvia columbariae A. C. Sanders, Nathan Moorhatch 2011-3-22 38773 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR228934  Salvia columbariae A. C. Sanders 2011-4-6 39022 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
  UCR16803  Salvia dorrii subsp. dorrii Leland E. Francois 1966-4-23 42366- 4 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  UCR17251  Salvia greatae Bonner Blong 1966-5-5 2 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., 1.5 mi NW of Clemens Well Comment
  RSA0003962  Salvia greatae H. M. Hall, L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas Comment
  RSA434137  Salvia mellifera Christopher Davidson 1973-4-1 1814 Riverside Hwy 71/79, appx. 7 mi from jct. of 395 south. 412 Comment
  SDSU12926  Salvia mellifera Jutta Buschbom 1991-5-1 40 a Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR140324  Salvia mellifera A. C. Sanders 2004-5-12 27892 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CAS-BOT-BC224849  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  CAS-BOT-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA0093766  Salvia pachyphylla Duncan S. Bell 2015-9-30 8689 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CDA40964  Salvia vaseyi T. C. Fuller 1963-4-23 10289 Riverside San Jacinto Mountains; Carrizo Canyon, Highway 74 to Pinyon Flat, south of Palm Desert. 0 Comment
  RSA314158  Salvia vaseyi Walter Wisura 1983-7-9 3915 Riverside 5.4 mi from the junction with Hwy 111 along Hwy 74. Comment
  UC511829  Salvia vaseyi Frank W. Peirson 1933-4-13 10635 Riverside road from Deep Canyon to Idyllwild 487 Comment
  UCR198162  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Colorado Desert, Little San Bernardino Mountains, nameless canyon c. 1 mi west of Pushawalla Canyon, leading up to MWD aqueduct 488 Comment
  CLARK-A1528-2411  Sambucus caerulea John C. Roos, Lucille Roos 1951-10-24 5341 Riverside Pedley 243 Comment
  RSA376135  Sambucus mexicana R. F. Thorne, Steve D. Boyd, Earl Lathrop 1985-7-18 61284 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA180288  Samolus parviflorus E. W. Lathrop 1964-9-13 5409 Riverside 8 miles west of Murrieta Comment
  HSC85413  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just E of Claymine area 427 Comment
  RSA359518  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA715104  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA781360  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  POM128365  Sanicula crassicaulis Thos Craig 1927-4-23 204 Riverside Glen Ivy. Comment
  UCR249921  Sanicula tuberosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36789 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  UCR110987  Sarcodes sanguinea George K. Helmkamp 1998-6-27 4128 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UC310837  Sarcostemma cynanchoides subsp. hartwegii Philip A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  UC665744  Sarcostemma cynanchoides subsp. hartwegii Ira L. Wiggins 1941-3-26 9663 Riverside along wash at Wiley Well Comment
  JOTR30077  Sarcostemma hirtellum La Doux, Tasha, Bill Truesdell 2006-10-3 1720 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  JOTR32907  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2009-3-10 11250 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  UCR189575  Satureja chandleri Amy Rowland 2007-4-26 58 Riverside Peninsular Range, Santa Rosa Plateau east slope of Mesa de Burro off of Guava Rd 349 Comment
  UCR214416  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  HSC10886  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23093 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  HSC79099  Schismus barbatus Larry Hendrickson 1973-3-18 8590 Riverside 16 mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71. 823 Comment
  UCR98218  Schismus barbatus B. G. Pitzer 1997-4-1 3044 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  POM1402  Schoenoplectus maritimus I. M. Johnston 1918-4-27 1866 Riverside Wildomar. 366 Comment
  POM1405  Schoenoplectus maritimus Phillip A. Munz 1918-4-27 2129 Riverside Between Murrieta and Temecula. Comment
  POM153368  Schoenoplectus maritimus Phillip A. Munz, I. M. Johnston 1928-9-12 11243 Riverside North end of Lake Elsinore. Comment
  RSA0105838  Scirpus acutus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC2094  Scirpus cernuus A. J. McClatchie May, 1892 24 Riverside Elsinore Comment
  RSA522113  Scirpus microcarpus Steve Boyd, Timothy S. Ross 1989-8-28 3806 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  GMDRC6550  Scrophularia californica J. M. Andre 2012-6-15 30502 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UCR263718  Scrophularia californica Mark A. Elvin, Tricia Wotipka 2002-4-30 1953 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, La Borde Canyon 793 Comment
  RSA660913  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside SW side of ''Royal Hill'', 0.25 miles E of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  RSA0026266  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 kilometers NNW Upper San Juan Campground. 536 Comment
  RSA200064  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1967-7-18 s.n. Riverside Near upper Herkey Creek, which flows into Hemet Lake Comment
  UCR26236  Scutellaria siphocampyloides John C. Roos 1948-6-19 3881 Riverside San Jacinto Mtns., ridge north of Idyllwild 1829 Comment
  UCR35332  Scutellaria siphocampyloides L. B. Ziegler 1967-7-26 196 Riverside San Jacinto Mtns, Thomas Mountain 2058 Comment
  RSA560835  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA206254  Sedum niveum Reid V. Moran 1968-8-3 15346 Riverside 1 mile NW of Toro Peak. 2250 Comment
  CAS-BOT-BC69809  Selaginella bigelovii John Thomas Howell 1927-8-1 2886 A Riverside Morongo Canyon, n. Colorado desert. 609 Comment
  RSA597053  Selaginella bigelovii Darin L. Banks, Lauren Raz 1996-11-5 1164 Riverside NW Palomar Mtns; Agua Tibia Mountains; Pechanga India Reservation, SE of San Gabriel Church. On newly established firebreak along an E-facing ridge S of the southern fork of Penchanga Creek. 488 Comment
  UCR202013  Selaginella bigelovii Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  CAS-BOT-BC62080  Selaginella eremophila John Thomas Howell 1931-6-5 6650 A Riverside Palm Canyon Comment
  RSA641073  Selaginella eremophila Louis Cutter Wheeler 1964-10-17 8639 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
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Sep 3 2013
  SEINET7063442  Senecio A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  UCR100027  Senecio californicus A. C. Sanders, G. K. Helmkamp 1997-3-15 19981 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  RSA0012735  Senecio californicus Maureen H. Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane & Via View Dr. 732 Comment
  RSA0125051  Senecio californicus Henry J. Ramsey, Henry J. Ramsey 1959-4-22 s.n. Riverside Aguanga. Comment
  CAS-BOT-BC323988  Senecio flaccidus var. douglasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9548 Riverside Cottonwood Springs Canyon. Comment
  UCR138591  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. Along the main road in the Reservation, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  RSA0035903  Senecio mohavensis J. M. Andre 2013-3-27 24820 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA515199  Senecio mohavensis Steve Boyd, Orlando Mistretta 1986-3-13 1473 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SBBG87940  Senecio mohavensis A. C. Sanders 1986-3-3 6137 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  UCR42398  Senecio mohavensis J. M. Stewart 1986-1-26 86- 6 Riverside Sonoran (Colorado) Desert, NE side of Mecca Hills 305 Comment
  CLARK-A1045-234  Senecio vulgaris George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA614420  Senecio vulgaris D. L. Banks 1997-3-16 1553 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA740086  Senecio vulgaris Justin M. Wood 2008-11-17 232 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA0012648  Senna armata April Garbat, Kristin Forgrave 2013-5-29 77 Riverside Gasline Rd and Bradshaw Trail junction off Red Cloud Mine Rd, population extends east for 2 miles. 602 Comment
  SD129359  Senna obtusifolia Les Ede 1989-8-19 Riverside South of Blythe in the Palo Verde Valley, ca 1 mile north of the Imperial County line; in cotton fields at Norton Farms Comment
  UCR92352  Sesuvium verrucosum Scott D. White 1994-10-17 2467 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR70883  Setaria parviflora D. L. Crawford, I. M. Johnston 1917-6-9 1220 Riverside San Bernardino Valley/Upper Santa Ana River, Santa Ana River near Corona 152 Comment
  UCR95719  Setaria viridis D. L. Banks, Lauren Raz 1996-8-29 1136 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  CSUSB1363  Sidalcea malviflora Annette Price 1962-4-22 043 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in open field in foothill woodland region, on Tenaja Road, 4 miles from Washington Ave. Comment
  CAS-BOT-BC434384  Sidotheca trilobata Susan G. Stokes 1934-7-1 312 Riverside San Jacinto Mt. 1219 Comment
  CAS-BOT-BC434385  Sidotheca trilobata H. M. Hall 1901-6-1 2082 Riverside San Jacinto Mountians. In the vicinity of Chalk Hill 1402 Comment
  POM12919  Silene antirrhina P. A. Munz 1922-6-30 5914 Riverside Santa Rosa Mts.: Santa Rosa. 1981 Comment
  RSA561060  Silene antirrhina Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7353 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR263525  Silene parishii Barbara Ertter, Ken Berg, Roxanne Bittman, T. P. Krantz 1987-9-5 7428 Riverside San Jacinto Mountains, head of Andreas Canyon on north side of Red Tahquitz Peak 2439 Comment
  JOTR36020  Simmondsia chinensis Harding, Mitzi, T. Herskovits 2012-3-16 227 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA23645  Simmondsia chinensis Percy C. Everett 1939-7-7 9524 Riverside 3 mi. N of Temmecula-Aguaga Rd. on road to Hemet. 762 Comment
  UC1130469  Simmondsia chinensis H. S. Yates 1937-3-24 6459 Riverside Deep Canyon; Thermal Quadrangle, Deep Canyon Comment
  POM14054  Sinapis arvensis P. A. Munz, D. Keck 1922-4-15 s.n. Riverside Beaumont. 762 Comment
  RSA33829  Sinapis arvensis N. C. Cooper 1944-5-21 1274 Riverside San Jacinto Mountains, West side 1220 Comment
  JOTR33795  Sisymbrium altissimum La Doux, Tasha, A. Miller 2007-5-8 3308 Riverside Joshua Tree National Park. Lost Horse Valley, south of Hidden Valley Campground on Keys View Road (stop 2) 1371 Comment
  CLARK-A1045-228  Sisymbrium erysimoides George K. Helmkamp 1978-3-27 Riverside Box Springs Mountains south base of mountain; Riverside East 7.5'Q Comment
  HSC84209  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside Riverside, N side of Spruce St., between Rustin and Canyon Crest Streets, previously an orange orchard with house 305 Comment
  RSA614135  Sisymbrium irio D. L. Banks 1997-2-23 1302 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR251301  Sisymbrium irio T. B. Salvato, Matthew Malle 2014-4-8 7826 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  UCR241633  Sisymbrium orientale T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 344 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA728150  Sisyrinchium bellum Daphne K. Christopher, Hannah Stevens 2003-4-8 121 Riverside Santa Rosa Plateau Nature Conservancy Preserve. 556 Comment
  POM147645  Solanum elaeagnifolium F. M. Reed 1927-8-14 5400 Riverside Railroad yards at Highgrove 274 Comment
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Feb 28 2011
  CAS-BOT-BC237739  Solanum mauritianum A. C. Sanders 1993-1-30 s.n. Riverside Rustin Ave. ca. 1 block N of Spruce St., Riverside East 7.5' Q, Riverside 289 Co