Search Results — 2000 specimen records retrieved (1896 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229021  Abies concolor Dick Schwenkmeyer 2012-9-20 835 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  SEINET7909538  Abronia villosa P. L. Packard 1976-1 23 Riverside 6 mi W of Blythe, Interstate 10 Comment
  POM6704  Abronia villosa var. aurita P. A. Munz, L. T. Street, G. Williams 1919-3-26 2336 Riverside Palm Canyon 213 Comment
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Apr 23 2011
  RSA575827  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  UCD109810  Abronia villosa var. aurita R. N. Raynor 1933-3-31 s.n. Riverside Colorado desert, east of Palm Springs. Comment
  UCR178532  Acacia greggii R. G. Swinney 1967-5-26 148 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCR113535  Acacia saligna Mitch Provance 2000-9-15 2245 Riverside W La Loma Hills, corner of Center Street and Orange Street 256 Comment
  RSA588840  Achnatherum speciosum D. L. Banks, Steve Boyd 1995-10-17 783 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
  CHSC210  Achyronychia cooperi E. Thomas 1940-3-3 Riverside Along shore of Salton Sea. Comment
  SD233271  Achyronychia cooperi Justin M. Wood 2009-3-26 394 Riverside Colorado Desert: Western foothills of Mecca Hills A+-0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. In an unnamed wash draining to the west. 21 Comment
  SBBG119997  Acmispon brachycarpus A. C. Sanders, K. Volansky 2005-3-17 29213 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Apr 2 2011
  UCSB45964  Acmispon rigidus Roos, John 1966-2-12 Riverside Chuckwalla Mtns., 2 1/2 miles SE of Desert Center Comment
  UCSB46690  Acmispon strigosus Reed, Susan 1977-5-30 Riverside University of California James Reserve 1828 Comment
  CAS-BOT-BC22558  Adenophyllum porophylloides Harvey Keith Wagnon 1944-5-25 394 Riverside North side Tahquitz Canyon, Palm Springs Comment
  RSA0043068  Adenophyllum porophylloides Duncan S. Bell, LeRoy Gross 2014-3-20 6264 Riverside Orocopia Mountains; north section of range; 2.75 air miles southwest of Hayfields Lake. 511 Comment
  RSA615330  Adenostoma fasciculatum var. fasciculatum Scott D. White 1997-5-25 5245 -a Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  RSA453184  Adenostoma sparsifolium H. de Forest 1932-8-24 s.n. Riverside West side of San Jacinto Valley. Comment
  UCR137193  Adenostoma sparsifolium M. B. Dunkle 1934-11-3 4234 Riverside Santa Rosa Mtn., Ribbonwood 1524 Comment
  UCSB2737  Adenostoma sparsifolium Wilson, Richard 1958-5-18 Riverside 8 miles SE of Junction Idyllwild Hwy. and State 74 on State 74. Comment
  RSA228832  Adiantum jordanii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 614 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  UCR158947  Adiantum jordanii Scott D. White 1994-6-14 2053 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  JEPS36230  Agoseris grandiflora var. grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside Van Deventer's Ranch (journey from Riverside to Santa Rosa Peak and Palomar) Southern California Comment
  RSA741208  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-5-15 11959 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  POM12045  Agoseris retrorsa Mary F. Spencer 1921-6-2 1212 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  UCR240630  Agoseris retrorsa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 401 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 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 (Idyllwild 7.5' Q.) 1450 Comment
  UCR24966  Agrostis scabra A. C. Sanders 1980-8-21 1780 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  SEINET10467712  Agrostis scabra var. geminata David B. Dunn 1946-8-17 Dunn 2720 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  LA10260  Agrostis stolonifera F. M. Reed; 1906-7-5 1124 Riverside roadside in Riverside, Vicinity Comment
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Feb 23 2014
  UCR93233  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Santa Ana River, Colton and Riverside: from the Riverside Avenue (North Main Street) Bridge downstream to just above the Market Street crossing. 246 Comment
  UCD117504  Aliciella latifolia James Henrickson 1963-3-29 1198 Riverside 9 miles E of Mecca, along Highway 195. 182 Comment
  OBI35030  Allenrolfea occidentalis Faulkner 1978-3-21 343 Riverside 9 mi N of blythe, hwy 95 152 Comment
  JOTR32112  Allionia incarnata var. incarnata Harding, Mitzi, Kipp Callahan 2012-8-27 287 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  POM14403  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  RSA100190  Allium haematochiton I. T. Weeks 1955-5-4 s.n. Riverside 1/2 mile east of Gorgeous George s turkey ranch, northwest of Beaumont. Comment
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Jun 15 2011
  UCR49270  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  RSA348946  Allium munzii Steve Boyd 1986-5-1 1798 Riverside Murieta Hot Springs: Skunk Hollow area, E of hot springs, on N base of hill just to the W of Skunk Hollow. 439 Comment
  RSA583750  Allium peninsulare var. peninsulare Steve Boyd 1995-4-24 8481 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
  HSC86857  Allophyllum divaricatum K. Harper 1988-5-14 Riverside San Jacinto Mtns. along Hwy. 243, 1-2 mi. below Mt. Edna turn off Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR44196  Allophyllum divaricatum A. C. Sanders 1986-6-1 6548 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA411100  Allophyllum glutinosum Albert J. Perkins 1924-5-11 s.n. Riverside Trail to Santiago Peak, near Glen Ivy Hotel, N. Elsinor. Comment
  RSA702271  Alopecurus saccatus Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2081 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  RSA0120471  Amaranthus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 s.n. Riverside Santa Rosa Mountains; east side of the range; between Toro Canyon and Martinez Canyon; on Van Buren Street in the community of 100 Palms or Valerie, in an agricultural field between 66th and 67th Streets. -16 Comment
  RSA763307  Amaranthus albus Scott D. White, Angelia Carey 2004-6-4 10476 -B Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SD175786  Amaranthus albus D. G. Kelch 2006-12-8 06 523 Riverside Santa Rosa Plateau, roadside. Comment
  RSA191450  Amaranthus californicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6666 Riverside 6 miles NW of Murrieta. 610 Comment
  UCR115150  Amaranthus cruentus Mitch Provance 2000-12-11 2285 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  HSC79236  Amaranthus fimbriatus G. K. Helmkamp 1983-10-8 - 34 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  RSA0080447  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SEINET9120721  Amaranthus fimbriatus E. R. Blakley 1961-1 4715 Riverside Pinyon Flat, Palms to Pines Highway (Calif. 74). 1219 Comment
  UCR260949  Amaranthus palmeri Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6020 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  POM90439  Amaranthus palmeri S. B. Parish 1916-6-8 s.n. Riverside near the foot of the Crest Road from San Bernardino. Comment
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Aug 27 2017
  CDA9969  Ambrosia confertiflora G. C. Fleischman 1945-10-21 Riverside Highway, Beaumont / Sunnymead. 0 Comment
  LA202920  Ambrosia dumosa A. M. Johnson; 1933-4-28 4228 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  POM41505  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. 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
  UC61510  Ambrosia dumosa L. D. Copeland 1904-5-1 6 Riverside Palm Springs Comment
  UCSB6547  Ambrosia dumosa Leeuwen, Henry 1957-4-12 Riverside In Whitewater Canyon, 1 mile from U.S. 60-70-99 Comment
  UC54139  Ambrosia psilostachya H. M. Hall 1901-8-1 Riverside vicinity of Riverside 304 Comment
  UCR167839  Ambrosia psilostachya T. B. Salvato, Melissa Clemons 2005-6-23 1323 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR239932  Ambrosia psilostachya O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR261172  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41724 Riverside Elsinore Trough, north of Elsinore along a dirt road west of Baker St., behind house on hill at 17401 Baker St. 388 Comment
  UCR261173  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41727 Riverside Elsinore Trough, north of Elsinore on east side of Baker St., 0.28 km east (74 deg. ) of large water tank above Baker, above a forking dirt road 392 Comment
  CAS-BOT-BC273009  Ambrosia salsola Ivan Johnston 1917-4-4 1087 Riverside Mouth of Andreas Canyon 60 Comment
  SDSU1715  Ambrosia salsola Joan Godsil 1953-3-20 579 Riverside Hwy to Twenty-nine alms; Joshua National Monument. 792 Comment
  SEINET10797869  Ambrosia salsola David B. Dunn, Howard Brown 1947-2-9 Dunn 2856 Riverside Pushawalla Canyon, Indio Hills. In dry wash bed. Comment
  UC897993  Ambrosia salsola var. salsola R. H. Peebles and H. F. Loomis 1930-4-6 124 Riverside Shaver's Well Comment
  RSA0000639  Ammoselinum occidentale P. A. Munz, D. Keck 1922-4-13 4930 Riverside Hayfields, Chuckwalla Valley 152 Comment
  RSA192149  Amorpha fruticosa E. W. Lathrop 1966-5-8 6269 Riverside 5 miles west of Murrieta. Comment
  PASA1998  Amsinckia douglasiana Frank W. Peirson 1921-3-22 Riverside Murray Canyon, Palm Springs Region 396 Comment
  SD152912  Amsinckia intermedia Steve Boyd 1992-4-15 6867 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  UCR120910  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24946 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 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
  UCR213300  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37705 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  CLARK-A1528-970  Amsinckia menziesii Patricia A. Andrews 1975-3-13 5902 Riverside Rubidoux Comment
  JOTR30104  Amsinckia menziesii La Doux, Tasha, Bill Truesdell 2008-3-18 1669 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  RSA0089919  Amsinckia menziesii Justin M. Wood 2008-12-2 265 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  SBBG119454  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Alberhill Mtn, NW foot near Lake St at Alberhill 378 Comment
  UCR172614  Amsinckia retrorsa A. C. Sanders, John F. Green 2006-5-18 32370 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR245897  Amsinckia tessellata R. F. Thorne 1995-3-29 63011 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR139040  Anagallis arvensis D. L. Banks, V. W. Steinmann 1997-3-13 1414 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR174359  Ancistrocarphus filagineus A. C. Sanders 2006-5-19 32383 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
  RSA500988A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3107 A Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  POM263194  Andropogon glomeratus J. C. Roos 1938-12-29 322 Riverside Palm Canyon. Comment
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Apr 3 2011
  UCR89389  Andropogon glomeratus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15873 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR237626  Anemone tuberosa Duncan S. Bell 2010-3-20 610 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UC130487  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  CLARK-A1528-148  Anthemis cotula Fred B. Essig 1967-6-22 Riverside Riverside Comment
  UCR112317  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR77709  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  CHSC110682  Antirrhinum coulterianum Dean Wm. Taylor 2003-5-7 18529 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  JEPS5297  Antirrhinum coulterianum W. L. Jepson May 17 1901-Jun 1 1901 1256 Riverside near upper San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  JEPS57290  Antirrhinum coulterianum L. R. Heckard and R. C. Bacigalupi 1968-5-5 1804 Riverside 2.6 mi n Radec 548 Comment
  RSA507485  Antirrhinum coulterianum Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
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Aug 3 2010
  UCD123440  Antirrhinum coulterianum R. S. Woglum 1937-5-22 535 Riverside Temecula. Comment
  UCR213527  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38368 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCSB37910  Antirrhinum coulterianum Hood, Mary 1944-4-4 Riverside Cottonwood Creek; near Aguanga 609 Comment
  RSA650898  Antirrhinum filipes W. M. Zabriskie 1973-4-4 s.n. Riverside East slope of San Jacinto Mountains, Andreas Canyon area, on trail toward Eagle Peak. 732 Comment
  UC68690  Antirrhinum filipes H. M. Hall Apr 1905 5815 Riverside 8 mi w Coachella; Colorado Desert 152 Comment
  UCR233157A  Antirrhinum filipes Jim Andre, Glenn L. Clifton 2011-2-22 17455 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  JEPS83387  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-8 295 Riverside 2.2 mi up Bee Canyon Road junction with Hwy. 74 (Bee Canyon Road just e of Cranston Ranger Station on Hwy 74, on one of the upper steep switchbacks on the steep climb to the ridge); Banning Quad. (15', 1956) 731 Comment
  UCSB37379  Aphanes occidentalis Roos, John 1950-4-22 Riverside hills N.E. of the summit of Reche Canyon 822 Comment
  CAS-BOT-BC218515  Apiaceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA747562  Apiastrum angustifolium Michael Honer 2003-4-11 1819 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 . 640 Comment
  SEINET7063233  Apiastrum angustifolium A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR172249  Apiastrum angustifolium John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  SD136932  Apocynum cannabinum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7327 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon, along stream from Los Alamos Canyon to Tenaja Canyon 365 Comment
  SD28078  Aquilegia formosa Carl B. Wolf 1932-5-24 3652 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above fish hatchery 792 Comment
  UC9005  Aquilegia formosa H. M. Hall July, 1901 2417 Riverside San Jacinto Mtns 3261 Comment
  POM307295  Arabis holboellii var. retrofracta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2157 Riverside Santa Rosa Mountains. Comment
  RSA629369  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16848 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629406  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19500 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR273484  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42616 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  SDSU18355  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-28 380 Riverside North of city of Escondido, ca. 3 km northwest of Dixon Lake. In Daley Ranch along Rock Ridge Trail. 529 Comment
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Mar 2 2015
  RSA631842  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20168 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1480 Comment
  UCR275943  Arctostaphylos glauca T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3790 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  RSA633640  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20137 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633676  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20140 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633701  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16671 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633724  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16627 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  CAS-BOT-BC44361  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  POM367418  Arctostaphylos pringlei subsp. drupacea Joseph A. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild. 1677 Comment
  POM367422  Arctostaphylos pringlei subsp. drupacea A. G. Goodwin 1940-05 s.n. Riverside Idyllwild Comment
  POM367423  Arctostaphylos pringlei subsp. drupacea N. C. Cooper 1944-5-20 1280 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA82949  Arctostaphylos pringlei subsp. drupacea R. M. Straw 1953-6-5 449 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  RSA635781  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16530 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  CAS-BOT-BC46257  Arctostaphylos rainbowensis A. C. Sanders; Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills w. of the head pf De Luz Creek, 0.4 mi. s. of Tenaja Rd. On w. side of Calle 670 Comment
  UC68528  Argemone munita H. M. Hall Apr 1905 5970 Riverside Colorado Desert, Chuckawalla Mountains Chuckawalla Mountains; Colorado Desert, Chuckawalla Mountains Comment
  RSA552745  Aristida adscensionis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6677 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA781613  Aristida adscensionis Duncan S. Bell 2011-12-30 3035 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
  RSA784746  Aristida adscensionis Duncan S. Bell 2012-2-12 3090 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCD169369  Aristida californica A. C. Sanders; T. B. Salvato 2012-10-12 40440 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing. 114 Comment
  JOTR30121  Aristida californica var. californica La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1687 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill. 538 Comment
  JOTR32023  Aristida californica var. californica La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2253 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; sandy ramps at base of Pinto Mountain (Stop 1) 504 Comment
  UCR111514  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCD56512  Aristida purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley, Gilman Hot Springs. Comment
  UCR274670  Aristida purpurea var. fendleriana Stephanie Rockwood, Christi Gabriel 2011-11-1 193 Riverside Sonoran (Colorado) Desert, Pallen Dunes Road, Ford Dry Lake area, Hwy I-10, exit 217, Chuckwalla Valley 107 Comment
  UCR23881  Aristida purpurea var. nealleyi John C. Roos 1946-9-14 3029 Riverside Peninsular Range; Santa Rosa Mtns., along the roadside c. 1 mile east of Pinyon Flats camp 1189 Comment
  RSA319744  Aristida purpurea var. purpurea Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  UCR196387  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR123871  Artemisia californica Steven R. Hill 2001-4-29 33539 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  RSA495405  Artemisia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2890 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  SEINET7856270 Image available Artemisia californica M. F. Barrus 1919-11-24 18 Riverside W slope of Box Springs Mts. Comment
  UCR277729  Artemisia dracunculus Mitch Provance 2012-10-15 1012- 06 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  UCR4346  Artemisia nova L. B. Ziegler 1964-7-11 s.n. Riverside San Jacinto Mtns., 2 mi NE of Kenworthy Ranger Station Comment
  SD204767  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside North base of San Jacinto Mountains, west of Highway 111, just east of Snow Creek Road. Comment
  CLARK-A1528-7777  Asclepias albicans John C. Roos 1965-7-23 Riverside Eagle Mountains Comment
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  UC22958  Asclepias californica H. M. Hall May 17 1901-Jun 1 1901 Riverside Temecula Peak 609 Comment
  CDA39850  Asclepias erosa T. C. Fuller 1962-10-2 9700 Riverside South side of Hwy. 60-70 to Blythe, ca. 10 miles east of Desert Center. 0 Comment
  UC23001  Asclepias fascicularis Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR207230  Asparagus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0035702  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  POM11411  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills, near Riverside Comment
  UCR207320  Aster subulatus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCR264470  Aster subulatus Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  RSA0054857  Astragalus aridus W. Marquart 1938-3-12 s.n. Riverside Ten mi. West of Blythe. Comment
  CAS-BOT-BC178635  Astragalus coccineus Jay B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3 km E of jct. w/Santa Rosa Mtn. Rd. 1400 Comment
  CAS-BOT-BC182589  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 563 -6711 Riverside Palm Springs Comment
  CAS-BOT-BC182632  Astragalus didymocarpus var. obispoensis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside Pasture 1 mi. West of San Jacinto Comment
  CAS-BOT-BC178434  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9662 Riverside On deserty roadbanks, 1.5 miles from hemet Road on roat to Aquanga, San Jacinto Mts. Comment
  POM2002  Astragalus douglasii var. parishii I. M. Johnston 1918-4-3 s.n Riverside San Jacinto Mountains, San Jacinto Canyon 685 Comment
  RSA415495  Astragalus douglasii var. parishii N. C. Cooper 1944-5-20 1238 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  UC63673  Astragalus douglasii var. parishii H. M. Hall June 1901 2229 Riverside in the vicinity Strawberry Valley (San Jacinto Mountains); , vicin Strawberry Valley 1584 Comment
  UCR95958  Astragalus douglasii var. parishii Scott D. White 1996-8-1 4422 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR102822  Astragalus gambelianus A. C. Sanders 1997-3-26 20112 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  SEINET13752407  Astragalus insularis var. harwoodii Heather Breakiron 2017-3-23 3 Riverside 11 miles southwest of Blythe, CA along dirt powerline road Comment
  CAS-BOT-BC187113  Astragalus lentiginosus var. borreganus F. H. Billings 1926-2-28 2 Riverside Colorado Desert Comment
  RSA415588  Astragalus lentiginosus var. coachellae Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7815 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  CLARK-A1528-453  Astragalus lentiginosus var. fremontii Howard Towner 1965-4-3 6504034 Riverside Palm Springs Comment
  CAS-BOT-BC187376  Astragalus lentiginosus var. variabilis Peter H. Raven 1958-5-5 12903 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  JOTR01059  Astragalus lentiginosus var. variabilis Cole, James E. 1941-5-2 671 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  UCR232513  Astragalus nuttallianus var. cedrosensis Dave Silverman, Mark Bibbo 2010-3-31 7900 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of southern McCoy Mtns, 1.5 km W of Black Creek Rd, 5.4 km N of I-10, and 6.8 km ENE of McCoy Peak 175 Comment
  POM13864  Astragalus pachypus var. jaegeri P. A. Munz 1922-4-29 5118 Riverside East of Dripping Spring, near Temecula Creek 609 Comment
  CDA26729  Astragalus palmeri T. C. Fuller 1963-4-23 10291 Riverside Sac Jacinto Mountains; Highway 47 to Palm Desert just east of Pinyon Flat. 0 Comment
  SEINET2060247 Image available Astragalus palmeri P. J. Leary 1975-4-10 1048 Riverside Near Skull Rock, Joshua Tree National Monument 1341 Comment
  RSA559429  Astragalus pomonensis Steve Boyd 1992-4-15 6871 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD8530  Astragalus pomonensis Daniel Cleveland 1880-5-15 Riverside Temecula Comment
  UCR37629  Astragalus tricarinatus George K. Helmkamp 1984-5-5 E 5 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  JEPS35951  Atrichoseris platyphylla W. L. Jepson 1927-4-12 11660 Riverside Painted Canyon Mecca Hills, Painted Canyon Comment
  RSA124444  Atrichoseris platyphylla Percy C. Everett, E. K. Balls 1958-4-29 23028 Riverside 10.5 miles W of New Cyama. 10.8 miles NE and N from Desert Center along road to Rice and Vidal jct 274 Comment
  SDSU6299  Atrichoseris platyphylla Darley Howe 1949-3-21 1944 Riverside 10 miles east of Mecca. 213 Comment
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Oct 13 2011
  UCR112093  Atrichoseris platyphylla A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23367 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR121192  Atriplex argentea D. E. Bramlet 1989-7-6 1936 Riverside Auld Creek west of the Lake Skinner Dam; c. 1,000 ft. NE of the intersection of Washington St. and Auld Road. 423 Comment
  UCR280986  Atriplex argentea var. expansa Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 60 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  SEINET3930042  Atriplex argentea var. mohavensis Steve Boyd 1985-8-7 1117 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
  CLARK-A1528-1189  Atriplex canescens John C. Roos 1946-9-2 2987 Riverside Moreno Valley Comment
  RSA340180  Atriplex canescens R. F. Thorne, W. A. Tilforth 1980-5-28 54186 Riverside San Bernardino Mountains: W-facing slope of Whitewater ridge above old bridge. Comment
  SEINET269097  Atriplex canescens Scott D. White 1995-8-23 3590 Riverside San Jacinto River wash, just N of Florida Ave. (City of Hemet) near intersection w/ Schultz. USGS Blackburn Cyn 550 Comment
  SEINET3930643  Atriplex canescens Grant D. Brown 1950-3-29 520 Riverside Aguanga on highway #79.; 0 549 Comment
  CAS-BOT-BC170227  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-10-31 324 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. 167 Comment
  CLARK-A1528-2537  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  SD133118  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2058 Riverside 6.6 km west of Hemet and ca. 880 meters west of intersection of Florida and Warren Streets. 500 Comment
  SD174862  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4315 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of jct Ellis Avenue and first road east of I-215. Perris 7.5' quad. Plants in open scald areas. 427 Comment
  UCR123604  Atriplex coronata var. notatior D. E. Bramlet 1999-6-26 2814 Riverside Peninsular Ranges; Perris-Aguanga Basin Region, Stowe Rd. vernal pool, c. 7.5 km west of Hemet; 245 m west of California Ave. & 100 m north of Stowe Rd. 455 Comment
  UCR70540  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2175 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 67 m north of end of 11th St.; about 10 m east of the river 473 Comment
  RSA799517  Atriplex elegans var. fasciculata Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4778 Riverside East side of Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.25 air miles east southeast of Priests Well. 211 Comment
  LA204682  Atriplex hymenelytra Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UC1922264  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Sonoran Desert: Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. Comment
  CAS-BOT-BC169294  Atriplex lentiformis Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  UC1080346  Atriplex lentiformis E. K. Balls and P. C. Everett 1957-11-5 22758 Riverside s Thermal (State Hwy 111); s of Thermal 30 Comment
  RSA351415  Atriplex muelleri J. C. Roos 1965-10-17 s.n. Riverside 20 miles west of Blythe Comment
  RSA598396  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams. Comment
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Mar 20 2011
  UCR99791  Atriplex serenana Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1409 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR128172  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Hemet area, Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm 473 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
  JEPS13897  Ayenia compacta Marjorie Clary 1932-1-22 Riverside Desert canyons at base of Santa Rosa Mountains, southwest of Coral Reef, Coachella Valley Comment
  SD187295  Azolla filiculoides Scott D. White, Angelia Carey 2004-9-16 10762 Riverside San Jacinto Mountain foothills: Indian Creek. 548 Comment
  RSA450761  Baccharis emoryi J. C. Roos 1965-10-7 s.n. Riverside Fairmont Park Comment
  SDSU13946  Baccharis emoryi Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2150 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA376137  Baccharis pilularis R. F. Thorne 1985-7-18 61282 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  UCR151973  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  SEINET10892214  Baccharis salicifolia David B. Dunn, Howard Brown 1947-2-9 Dunn 2850 Riverside Pushawalla Canyon, Indio Hills. By Springs in canyon. Comment
  CAS-BOT-BC106675  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  SD60247  Baccharis sarothroides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells, Little San Bernardino Mountains 1220 Comment
  CLARK-A1528-1632  Baccharis sergiloides John C. Roos 1937-8-20 2500 Riverside San Jacinto Mountains Comment
  IRVC14322  Baccharis sergiloides L. McHargue 1971-10-23 none Riverside Whitewater Cove: northern shore of the Salton Sea, 6 miles south of Mecca, wet, saline clay loam soil. Sonoran Desert -70 Comment
  UC1929882  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 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. Comment
  POM294110  Bahiopsis parishii Lyman Benson 1946-4-15 12044 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA0117830  Bahiopsis parishii Sarah J. J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  CAS-BOT-BC99955  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC99957  Baileya pauciradiata L. A. Greata 1905-4-1 425 Riverside Coachella Comment
  RSA776905  Baileya pauciradiata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 963 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA38415  Baileya pleniradiata Philip A. Munz 1946-10-21 11596 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  CAS-BOT-BC100123  Bebbia juncea var. aspera M. McCollum 1976-6-10 2009 Riverside 8 mi SSW of Yucca Valley 914 Comment
  UC472350  Bebbia juncea var. aspera F. M. Reed 1917-5-19 3848 Riverside Palm Canon, Colorado Desert Colorado Desert, Palm Canon Comment
  CLARK-A1528-5632  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  UCR18763  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 488 Comment
  SEINET9232654 Image available Bernardia incana C. W. Tilforth, Wisura, W. 1979-1 1906 Riverside Big Horn Sheep Overlook along Hwy 74 above Deep Canyon, S of Palm Desert Comment
  UCD142298  Bernardia incana Robert F. Thorne; Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway. Comment
  GMDRC5192  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2565 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  GMDRC5193  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2566 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  SEINET7048188  Bernardia myricifolia Steven R. Hill 2001-5-3 33696 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SD129449  Berula erecta Jerilyn Hirshberg 1989-7-25 Riverside Butterfield Country, southwest of Vail Lake Comment
  UCR182536  Beta vulgaris Mitch Provance 2003-7-4 4640 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  UCR188892  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR239929  Bidens frondosa O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  UCR93062  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside, Santa Ana River near Hwy 60 243 Comment
  RSA450130  Bidens pilosa J. C. Roos 1965-8-18 s.n. Riverside In Corona. Comment
  RSA581745  Boechera californica M. Wall, L. Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Hwy 74, 14.8 miles southeast of Hwy 243 junction in Mountain Center. Burned area along highway, just past the Pacific Crest Trail crossing. 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
  UCR104582  Boerhavia intermedia T. L. Ackerman 1982-10-13 82 438 Riverside Western Colorado Desert, Boyd Deep Canyon Center near road and buildings 274 Comment
  RSA594210  Boerhavia triquetra var. intermedia L. B. Ziegler 1967-8-26 s.n. Riverside Pinyon Flats Comment
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Feb 20 2009
  POM259506  Boerhavia wrightii E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  UC1930178  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10. Comment
  UCR112762  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2000-4-21 23350 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  RSA778519  Boerhavia wrightii Amber Swanson, Linda Jean Foster 2011-10-8 638 Riverside Large wash off Blythe Rice Rd 270 Comment
  UCR92280  Bolboschoenus maritimus subsp. paludosus Scott D. White, S. Ogg 1994-10-17 2483 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  UCR94964  Bolboschoenus maritimus subsp. paludosus Scott D. White 1996-9-22 4536 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  UCR17686  Bothriochloa ischaemum O. F. Clarke 1965-10-12 s.n. Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street 306 Comment
  CAS-BOT-BC145591  Bouteloua aristidoides Marcus E. Jones 1929-9-16 24721 Riverside Near Desert Center. Comment
  UCR60926  Bouteloua aristidoides Steve Boyd, Orlando Mistretta 1986-3-13 1421 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  OBI26037  Bouteloua barbata David J. Keil 1976-12-12 11920 Riverside Along I-10, 37 mi E of Chiriaco Summit. Comment
  RSA0018894  Bouteloua barbata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6030 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  SEINET3920391  Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6490 Riverside Palen Valley, 15 miles northeast of Desert Center.; 0 183 Comment
  JOTR30287  Bouteloua barbata var. barbata La Doux, Tasha, Bill Truesdell 2006-10-3 1782 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  RSA782005  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-18 120 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  SEINET4691502  Bowlesia incana A. C. Sanders 2012-1 39991 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, long Riverside Dr. (HWY74) NE of Baker St. at edge of temescal Creek 384 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
  CLARK-A1528-5667  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  POM46822  Brandegea bigelovii Mary F. Spencer 1920-4-11 1445 Riverside Palm Springs. Comment
  UCR248434  Brandegea bigelovii Duncan S. Bell 2012-3-18 3194 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
  UCR165821  Brassica tournefortii 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
  UCR100379  Brickellia californica A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21610 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  CLARK-A1528-1667  Brickellia desertorum John C. Roos 1946-9-14 3023 Riverside San Jacinto Mountains 1097 Comment
  CLARK-A1528-5505  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains 457 Comment
  RSA0104483  Brickellia desertorum Duncan S. Bell 2015-9-30 8673 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA695643  Brickellia desertorum J. Russell Bruff 1928-12-4 390 Riverside Split Rock Comment
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Oct 23 2011
  RSA343862  Brodiaea santarosae Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60644 Riverside Santa Rosa Plateau: Near vernal pools and in grassland of Mesa de Colorado. 625 Comment
  IRVC12858  Brodiaea terrestris subsp. kernensis B. T. Gittins 1966-5-1 1287 Riverside Santa Rosa Plateau. Peninsular Ranges, Santa Ana Mountains Comment
  UCR35294  Brodiaea terrestris subsp. kernensis L. B. Ziegler 1969-7-1 386 Riverside San Jacinto Mtns, Meadows of May Valley, Upper Herkey Creek 1616 Comment
  CAS-BOT-BC486547  Brodiaea terrestris subsp. kernensis H. M. Hall 1901-6-1 2093 Riverside Meadows in the vicinity of Strawberry Valley, San Jacinto Mountains 1402 Comment
  RSA385315  Bromus carinatus N. C. Cooper 1945-5-24 1647 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
  UCR137360  Bromus carinatus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR265595  Bromus carinatus Jordan Zylstra 2014-3-18 14007 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UC37671  Bromus carinatus var. carinatus H. M. Hall 1901-7 2407 Riverside San Jacinto Mountains, in Tamarack Valley Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2804 Comment
  CAS-BOT-BC148741  Bromus carinatus var. marginatus H. M. Hall 1901-7-1 2342 Riverside San Jacinto Mountains. Vicinity of Deer Springs. 2743 Comment
  RSA561068  Bromus grandis Steve Boyd, Timothy S. Ross, D. E. Bramlet s.n. Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream, adjacent benches, and lower slopes from confluence with Tenaja Canyon. 366 Comment
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Jun 12 2012
  SEINET239051 Image available Bromus grandis George K. Helmkamp 1998-6-27 4118 Riverside Sana Rosa Mountains. 5.8 miles southeast of highway 74 along Santa Rosa Mountain road (=Santa Rosa Truck Trail = F.S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  CAS-BOT-BC155545  Bromus hallii H. M. Hall 1901-7-1 2538 Riverside San Jacinto Mountains. West Fork Snow Creek. 1524 Comment
  RSA577764  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -A Riverside Dry foothill, west of Aguanga. 823 Comment
  CAS-BOT-BC161815  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside Along diversion canal at mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  SEINET3923284  Bromus rubens D. Atwood, L. Stritch 1993-4-2 17890 Riverside Santo Rosa Plateau TNC Preserve & adjacent to BLM administrated lands.; 0 671 Comment
  UCD59525  Bromus rubens Nancy Ryan Zabriskie 1978-3-16 793 Riverside Colorado Desert and the Santa Rosa Mountains. Along AcC water pipe, Andreas Canyon, east slope San Jacinto Mtns. 548 Comment
  UCR2247  Bromus rubens F. M. Reed 1907-5-26 1377 Riverside Riverside, Evan's Spring Brook pasture 250 Comment
  CAS-BOT-BC227261  Bromus tectorum A. C. Sanders; T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range: city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR168225  Bromus trinii Mary F. Spencer 1920-4-5 1545 Riverside Sonoran (Colorado) Desert, Palm Springs 122 Comment
  RSA736556  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  GMDRC3556  Caesalpinia virgata J. Andre, T. La Doux 2009-2-28 10842 Riverside Coachella Valley: along lower Berdoo Cyn Rd just S. of JTNP boundary, approx 1.5 mi. N. of Dillon Rd. USGS 7.5 min. Quad: West Berdoo Canyon 33 deg. 48.718' N 116 deg. 10.322' W. Elev. 1027 ft. 313 Comment
  JOTR31932  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  JOTR31933  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UCR39187  Caesalpinia virgata David J. Keil 1976-12-12 11913 Riverside Sonoran (Colorado) Desert, c. 5 mi. east of Indio along Interstate Hwy 10. Comment
  SEINET7048049  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. Near Roberts Road in pasture. Elevation about 2314 feet. Comment
  UCR250131  Calandrinia ciliata A. C. Sanders 2014-4-9 40999 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  RSA192159B  Callitriche marginata E. W. Lathrop 6241 -B Riverside 3 miles west of Murrieta, Santa Ana Mts. Comment
  UCR154627  Calochortus A. C. Sanders, Mike Misenhelter 2005-6-15 30994 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
  RSA263709  Calochortus albus E. W. Lathrop 1968-5-30 6936 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UC1409123  Calochortus albus E. W. Lathrop 1967-5-19 37984 Riverside ca 2 mi beyond Rancho Californica turn-off to ranch headquarters; Santa Rosa Plateau 609 Comment
  UCR189812  Calochortus palmeri var. munzii Theresa Johnson 2007-6-22 377 Riverside Peninsular Range, San Jacinto Mountains Region, c. 3 mi northwest of intersection of Hwy 74 and Hwy 243, c. 0.2 mi southwest of Alvin Meadows near Chimney Flats Road 1477 Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  RSA525421  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4529 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  CAS-BOT-BC483508  Calochortus splendens C. Epling; J. Ewan 1933-6-1 s.n. Riverside 4 miles above Corona, Temescal Canyon Comment
  UCR217523  Calochortus weedii var. intermedius Rose Cook, Kim Sparks 2010-6-10 04 Riverside Perris-Aguanga Basin, French Valley, c. 615m northeast of Hogbacks and 1.67km northwest of the intersection of Hwy 79 and Auld Road. 25m west of Jeanette Road 393 Comment
  GMDRC2050  Calycoseris parryi J. Andre 2006-4-26 6768 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  JOTR34060  Calycoseris parryi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2958 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA78805  Calycoseris parryi Philip A. Munz 1952-4-15 17339 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  CAS-BOT-BC282922  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Comment
  SEINET8481392 Image available Calycoseris wrightii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40646 Riverside Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  SEINET7072819  Calyptridium monandrum A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  SJSU1865  Calyptridium monandrum J. W. Tilden 1957-4-18 1095 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UCR103280  Calyptridium monandrum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3588 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR256759  Calyptridium monandrum T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7889 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UC489218  Calyptridium monospermum C. V. Meyer 1928-7-27 550 Riverside San Jacinto Peak; Southern California, San Jacinto Peak 3230 Comment
  RSA466601  Calyptridium parryi var. parryi H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains Comment
  RSA394935  Calystegia longipes Charles C. Herbst 1934-3-11 s.n. Riverside San Jacinto Mtns. Comment
  UCR100437  Calystegia macrostegia B. G. Pitzer 1997-4-20 3200 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 Comment
  POM47005  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1919-6-25 1297 Riverside San Jacinto Moutains: Idyllwild. 1616 Comment
  SEINET10805071  Camissonia Jennifer H. Jones, Thi (Teresa) Bui; Holly Summers 2006-5-31 Jones 342 Riverside Peninsular Ranges; San Jacinto Mtns.: Just down Mt. Edna Road W off of CA Hwy. 243 (Cabazon 7.5'Q). N facing slope, chaparral with Adenostoma fasciculatum, Eriodictyon crassifolium, Erio gonum fasciculatum and Lotus scoparius. Sandy soil. 1146 Comment
  UC1184269  Camissonia Peter H. Raven 1958-2-15 11568 Riverside Corn Springs Chuckawalla Mountains Comment
  UCR132614  Camissonia Kent Beaman 1983-4-24 31 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR111999  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23428 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
  UCR153671  Camissonia bistorta Scott D. White 1999-5-24 7390 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR225711  Camissonia bistorta A. C. Sanders 2011-3-30 38916 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
  RSA795924  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 285 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  JOTR31227  Camissonia brevipes subsp. brevipes La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2011 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  JOTR31773  Camissonia brevipes subsp. brevipes Andre, Jim, Tasha La Doux 2009-3-10 11242 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
  RSA466164  Camissonia californica N. C. Cooper 1944-5-6 1210 Riverside Whitewater Canyon. 457 Comment
  UCR98343  Camissonia californica A. C. Sanders, G. Helmkamp 1997-3-15 19919 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  POM49179  Camissonia cardiophylla P. A. Munz, D. Keck 1925-3-7 9351 Riverside Painted Canyon, Mecca. Comment
  RSA454782  Camissonia chamaenerioides M. B. Dunkle 1937-3-25 4920 Riverside Colorado Desert. Shaver s Well Comment
  RSA703374  Camissonia chamaenerioides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1438 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CLARK-A1703-1218  Camissonia claviformis Charlotte Stocks 1963-4-20 Riverside Box Canyon Comment
  RSA449181  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  UCR226856  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-9 15932 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UC20422  Camissonia confusa H. M. Hall 1901-6-24 Riverside Fullers Mill San Jacinto Mountains (canyons of w side of mts.) 1767 Comment
  UCR23207  Camissonia confusa J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  POM10194  Camissonia pallida subsp. pallida P. A. Munz 1920-4-30 4495 Riverside Pinyon Wells, Little San Bernardino Mts. 1220 Comment
  POM37761  Camissonia pallida subsp. pallida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM14038  Camissonia refracta P. A. Munz, D. Keck 1922-4-9 4916 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  POM98819  Camissonia refracta P. A. Munz 1926-1-31 9947 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA796095  Camissonia refracta Duncan S. Bell 2009-4-20 307 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA793019  Camissonia strigulosa Justin M. Wood 2011-4-4 3407 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SD247462  Camissoniopsis hirtella T. B. Salvato, Matt MallA^ 2014-5-29 8025 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mile west of Murrieta Road and 4.3 miles southeast of Canyon Lake (Romoland 7.5'Q) 534 Comment
  UCSB10563  Camissoniopsis pallida subsp. pallida Lloyd, Robert 1960-3-23 Riverside One mile from U.S. HiWay 99 on road (St. 111) to Palm Springs, San Jacinto Mt. Range 396 Comment
  CAS-BOT-BC18184  Carex D. E. Breedlove 1961-7-29 870 Riverside San Jacinto Mountains. Fuller Mill Creek where it crosses Riverside Highway #1. 1645 Comment
  CHSC101010  Carex athrostachya Scott D. White; Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1439 Comment
  CHSC106640  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains (SnJt); Bridge over N Fork San Jacinto River, Dark Canyon, at campground. 1785 Comment
  SBBG122758  Carex densa A. Parikh 1990-5-15 172 Riverside Santa Rosa Plateau Ecological Reserve, between Mesa de Colorado and Mesa de Burro, 0.6 km SE of jct of Tenaja Rd and Rancho California Rd 572 Comment
  RSA752878  Carex jonesii Orlando Mistretta 2009-7-10 4000 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
  POM319473  Carex multicaulis Patricia Wilder 1968-7-5 4326 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  UCR26920  Carex pellita A. C. Sanders 1980-7-22 1708 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  POM19849  Carex sartwelliana Mary F. Spencer 1923-6-12 2164 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR50155  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  NY38470  Carex vitrea S. B. Parish 1896-7-4 4144 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinot Mountain 152.4 Comment
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Sep 7 2010
  UCR161454  Carthamus tinctorius Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., between Hwy 243 and Pine Cove, at edge of Dutch Flat Meadow 1799 Comment
  SD148070  Castilleja affinis Andy C. Sanders, T. B. Salvato 2001-5-3 24084 Riverside Perris-Aguanga Basin Region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 494 Comment
  SEINET10582737  Castilleja affinis Rimo Bacigalupi 1952-4-1 Bacigalupi 3595 Riverside At edge of chaparral, southeastner end of Pauba Valley, along State Highway No. 71, 12 miles west of Aguanga. 427 Comment
  POM305710  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1029 Riverside Hemet-Anza, Bautista Creek Road. Comment
  SD79836  Castilleja applegatei subsp. martinii Helen V. Witham 1970-4-29 812 Riverside one mile west of L. Hemet, Palms-to-Pines Hwy. 1200 Comment
  RSA679195  Castilleja applegatei subsp. martinii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1445 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCR162414  Castilleja exserta S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR237210  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 982 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.4 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1365 Comment
  RSA0010933  Castilleja exserta subsp. exserta Diane M. Ramirez 1983-5-1 1 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  POM4315  Castilleja foliolosa L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  UCR133710  Castilleja minor subsp. spiralis N. C. Cooper 1944-5-6 2649 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  RSA761164  Castilleja spiralis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 697 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA531105  Caulanthus cooperi M. B. Dunkle 1935-3-30 4422 Riverside Pinto Basin, Colorado Desert. 915 Comment
  SBBG87798  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of gasline rd; T7S, R15E, S30 640 Comment
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Jun 1 2011
  RSA586145  Caulanthus heterophyllus D. L. Banks, S. D. Boyd 1995-3-16 107 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  RSA717466  Caulanthus heterophyllus Scott D. White 2006-4-28 11323 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR196368  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR68473  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. E. Bramlet 1990-4-29 4488 A Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  LA51431  Caulanthus simulans H. Lewis; 1935-4-6 sn Riverside Palm Springs 152 Comment
  UC64021  Ceanothus cordulatus H. M. Hall Aug. 1897 Riverside San Jacinto Mts. 2438 Comment
  CAS-BOT-BC48454  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  RSA228829  Ceanothus crassifolius Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 593 Riverside Cleveland National Forest; 8.5 miles south of Lake Elsinore along Forest Route 6S08. Comment
  RSA398893  Ceanothus crassifolius M. B. Dunkle 1935-3-3 4354 Riverside San Juan Canyon. 762 Comment
  RSA575075  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -V 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
  RSA606771  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27350 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD129397  Ceanothus crassifolius Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista road (2 mi. W of Sandia Canyon, & 0.1 mi. N or San Diego County Line). 366 Comment
  SD2995  Ceanothus crassifolius Edmund C Jaeger 1925-12-23 Riverside Aguanga 3200 Comment
  SDSU10234  Ceanothus crassifolius Leslie D. Hickson 1992-3-9 09 III92A Riverside About 2.0 miles W oof Temecula, on Rancho California Rd. Found on the SW corner of Rancho California and Via Santa Rosa, ca. 100 ft off road. 475 Comment
  UC1018191  Ceanothus crassifolius J. Warren 1952-3-16 Riverside Ortega Hwy Mt. Lilac (by Lake Elsinore) 609 Comment
  UC1071027  Ceanothus crassifolius R. St. John 1930-3-16 106 Riverside Lakeview Mountains 609 Comment
  SBBG105071  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  RSA0019578  Ceanothus cuneatus var. cuneatus Bill Wagner 1989-3-31 s.n. Riverside Approx. 9 mi SW of Anza, on the W side of Hwy 371. 976 Comment
  SEINET10805182  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-3-21 Burge DOB 803 d Riverside San Jacinto Mountains, at intersection of Chimney Flats Road and USFS Road 5S13, 2.8 road miles (4.5 km) from Hwy 243 via Toll Gate Road, Apela Drive, and USFS roads 5S24 and 5S13, 4.57 km 257 deg. (True) WSW of Idyllwild. 1440 Comment
  RSA748220  Ceanothus greggii var. perplexans T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 111 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  HSC86327  Ceanothus integerrimus Jane Hildreth 1981-6-4 16 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  POM48313  Ceanothus leucodermis E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA741156  Ceanothus leucodermis Scott D. White, Justin M. Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1071165  Ceanothus oliganthus var. oliganthus R. St. John 1931-3-4 192 Riverside Tim Mine Canyon Corona quad. 609 Comment
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Jun 17 2013
  RSA569999  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7913 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
  RSA570222  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7891 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA570223  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7892 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA606742  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27405 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA606743  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27406 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  POM301639  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside 3.5 mi. N.W. of Idylwild on dark canyon Rd. 1646 Comment
  UC314551  Ceanothus palmeri Marcus E. Jones, A. M. 1926-6-20 Riverside 20 mi n Idyllwild; n of Idyllwild Comment
  RSA0022327  Ceanothus perplexans Justin M. Wood 2009-3-10 347 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  UCR115378  Ceanothus tomentosus June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  CAS-BOT-BC63251  Ceanothus tomentosus var. olivaceus R. Bacigalupi 1935-3-28 2336 Riverside Along U.S. Highway 99, 5 mi. e. of Redlands. Comment
  RSA278302  Ceanothus tomentosus var. olivaceus C. W. Tilforth, Walter Wisura 1979-5-23 1804 B Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  RSA519202  Ceanothus tomentosus var. olivaceus E. Lee Overholtzer 1961-3-12 131 Riverside Santa Ana Mts. On skyline Drive 2 miles west from Kremer Ranch. Mouth of Tin Mine Canyon. Comment
  UCR207552  Celtis australis O. F. Clarke 2003-10-6 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR campus 366 Comment
  UCR112478  Cenchrus echinatus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23326 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  RSA16358  Centaurium venustum Carl B. Wolf 1935-6-18 7174 Riverside Santa Ana Mts, San Juan Canyon, near Ortega Hwy on road to Santiago Peak. 701 Comment
  SD134524  Centromadia pungens subsp. laevis Craig Reiser 1991-7-10 Riverside Moreno Valley, Sycamore Canyon Park W of Eucalyptus Street Comment
  UCR266284  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3863 Riverside Perris-Aguanga Basin Region, Temecula, corner of Jefferson Ave. and Cherry St. 319 Comment
  SEINET6413741  Centromadia pungens subsp. pungens R. Spellenberg 2014-5-5 14772 Riverside CA Highway 79 N of Hemet, ca 0.5 km so f Ramona Expressway. 445 Comment
  SD178173  Cerastium glomeratum A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16035 Riverside Weed: Coachella Valley: Indio, just southwest of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -7 Comment
  UCR25793  Cerastium glomeratum John C. Roos 1952-4-16 5556 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  CSUSB1617  Cercidium floridum Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UC574977  Cercidium floridum subsp. floridum C. Epling and Wm. Robison 1933-6-24 Riverside near Indio Comment
  UCR87945  Cercocarpus betuloides A. C. Sanders, N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UC219550  Cercocarpus betuloides var. betuloides P. A. Munz 1922-6-30 5925 Riverside Santa Rosa; Santa Rosa Mountains, Santa Rosa 1981 Comment
  RSA674959  Chaenactis artemisiifolia Scott D. White, Teresa Salvato 2001-6-8 8568 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SEINET7062960  Chaenactis artemisiifolia A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  RSA779581  Chaenactis carphoclinia Duncan S. Bell 2009-3-7 13 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  RSA784770  Chaenactis carphoclinia Duncan S. Bell 2012-3-18 3174 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  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
  POM351672  Chaenactis carphoclinia var. carphoclinia Christopher Davidson 1979-4-4 7679 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  POM351673  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1926-3-1 s.n. Riverside Near Mecca. Comment
  CAS-BOT-BC276923  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside Along Palms to Pines Highway, 4 miles S of Palm Desert 609 Comment
  POM351700  Chaenactis fremontii Ora M. Clark 1929-2-22 1544 Riverside south Cabazon Comment
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Mar 13 2011
  SEINET7988559  Chaenactis fremontii Ana Lilia Reina G. 2003-3-31 2003 -325 Riverside Palm Spring, Palm Spring 159 Comment
  UCR3460  Chaenactis fremontii Tom Painter 1964-3-26 32664- 05 Riverside Western Colorado Desert, 2 miles north of I-US Hwy 99 [=I-10] and Twentynine Palms Rd [=Hwy 62] intersection Comment
  UCR86851  Chaenactis fremontii A. C. Sanders 1995-3-29 16273 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
  UCSB41266  Chaenactis glabriuscula Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. w/ Hwy. 11 at Indian Wells 210 Comment
  CAS-BOT-BC277403  Chaenactis glabriuscula var. glabriuscula Palmer Stockwell 1935-5-13 1223 Riverside 5 miles south of Temecula Comment
  RSA125546  Chaenactis glabriuscula var. glabriuscula R. Weatherby 1949-5-13 408 Riverside La Sierra district, Arlington 152 Comment
  RSA0108934  Chaenactis stevioides Duncan S. Bell, Amanda Bell 2012-1-28 3076 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  SBBG54443  Chaenactis stevioides S. See 1958-3-29 196 Riverside Joshua Tree Nat Monument at Fried Liver Wash 548 Comment
  RSA0020039  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6011 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA423515A  Chamaesyce arizonica B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  SFV11876  Chamaesyce micromera R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  POM47126  Chamaesyce polycarpa Mary F. Spencer 1918-3-26 809 Riverside Palm Springs 137 Comment
  RSA784930  Chamaesyce polycarpa Duncan S. Bell 2012-2-12 3098 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG32248  Chamaesyce polycarpa L. S. Rose 1966-12-11 Riverside La Quinta 91 Comment
  SEINET7907984  Chamaesyce polycarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  RSA644206  Chamaesyce polycarpa var. polycarpa V. W. Steinmann 1999-10-26 1416 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  RSA549999  Chamaesyce serpens O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  RSA191398  Chamaesyce serpillifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6648 Riverside 6 miles NW of Murrieta. Comment
  RSA599292  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6144 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  RSA0042377  Chamaesyce setiloba Duncan S. Bell, LeRoy Gross 2014-3-13 6240 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA626151  Cheilanthes clevelandii R. E. Riefner 1999-3-15 99 -161 Riverside base of outcrops in Red Shank chaparral, Mtn. Slopes E. of Hemet, Hwy 74 Comment
  UC218680  Cheilanthes clevelandii P. A. Munz 1922-4-29 5116 Riverside 5 mi w Aguanga Comment
  JOTR34165  Cheilanthes covillei Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 122 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  CAS-BOT-BC32683  Cheilanthes lanuginosa var. fibrillosa S. B. Parish; W. F. Parish 1882-6-1 s.n. Riverside San Jacinto Mts. Comment
  RSA596148  Cheilanthes newberryi Darin L. Banks 1996-11-7 1196 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  RSA685826  Cheilanthes parryi P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  UCD137393  Cheilanthes parryi L. S. Rose 1936-12-18 s.n. Riverside Colorado Desert, Tahquitz Canyon, Palm Springs. 243 Comment
  UCSB38682  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA597245  Cheilanthes viscida A. C. Sanders, G. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mountains/Colorado Desert: Chino Canyon near Palm Springs, 1.8 miles above Palm Canyon Road (Hwy 111) on the road to the tram station, vicinity of the upper end of the flood control dike. 548 Comment
  SEINET8008429  Cheilanthes viscida W. F. Parish No determinado Riverside Agua Caliente, Agua Caliente,Riverside, California Comment
  SEINET3090649 Image available Chenopodium album H. S. Gentry 1945-7-25 14247 Riverside Near Agaunga. Comment
  UCR278885  Chenopodium album Mitch Provance 2011-6-9 17193 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  CDA3005  Chenopodium amaranticolor A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden Comment
  SD247396  Chenopodium berlandieri Andy Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains: near central Idyllwild, west side of Highway 243 at road junction to Astrocamp (Saunders Meadow Road) and 0.15 kilometer northeast of Tollgate Road junction. 1595 Comment
  UCR151423  Chenopodium berlandieri D. L. Banks 1997-5-1 1379 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek 335 Comment
  UCR167823  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-23 1308 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR21846  Chenopodium berlandieri var. zschackei Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA614714  Chenopodium ficifolium George K. Helmkamp 1997-2-1 1292 Riverside Industrial area in Coachella at 54th and Enterprise, ca 2 blocks E of Hwy CA-111., (33 39.4'N, 116 8.9'W). [UTM 10 km cell: NH-7E, 2N. Coachella] 0 Comment
  UCR157647  Chenopodium giganteum A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden 351 Comment
  UCR102926  Chenopodium murale George K. Helmkamp, E. A. Helmkamp 1998-2-5 2685 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  POM248398  Chenopodium pratericola Philip Crow 1939-7-20 s.n. Riverside Blythe. Comment
  RSA0012646  Chilopsis linearis April Garbat, Kristin Forgrave 2013-5-29 74 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA736799  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC219074  Chilopsis linearis subsp. arcuata unknown May 1 1906-May 10 1906 170 a6740 Riverside Palm Springs Colorado Desert, Palm Springs Comment
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Apr 17 2011
  UCR94644  Chilopsis linearis subsp. arcuata Scott D. White 1996-5-27 4075 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  UCR89114  Chloris truncata V. McAfee-Jacobs, B. R. Drake 1995-11-6 01 Riverside Peninsular Range, Temecula, Drake Enterprises vineyard at Buck Road and Berenda Road 463 Comment
  UC63965  Chlorogalum parviflorum Miss Ella Foster 1897-5-15 534 Riverside Menifee Menifee (Southern California) Comment
  UCR10807  Chlorogalum pomeridianum Ruth Cooper 1968-5-18 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  CAS-BOT-BC191715  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-3-30 6527 Riverside 0.8 miles E of Cactus City, about 13 miles E of Coachella, near U.S. Highways 60 and 70. Colorado Desert 518 Comment
  UCR249668  Chorizanthe brevicornu var. brevicornu T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7308 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCSB1361  Chorizanthe brevicornu var. brevicornu Haller, John 1959-3-22 Riverside immediately south of Hwy 60-70 , 5.9 miles E. of Desert Center Comment
  RSA392658  Chorizanthe corrugata N. C. Cooper 1949-4-8 3306 Riverside Desert Center. 610 Comment
  RSA781395  Chorizanthe corrugata Duncan S. Bell 2010-5-1 902 A Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR217518  Chorizanthe parryi var. parryi Lee A. Ripma 2008-5-12 96 Riverside Perris-Aguanga Basin, Diamond Valley Lake, 1.6 km southeast of the intersection of Warren Rd and Simpson Ave. Hilltop. 657 Comment
  RSA500097  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross, Laural Arnseth 1989-4-2 3213 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR132343  Chorizanthe polygonoides var. longispina John F. Green, S. J. Myers 2003-6-25 s.n. Riverside Small hill just west of Leon Road, c. 0.25 mi. south of Borel Road, above Tucalota Creek 427 Comment
  UCR139194  Chorizanthe polygonoides var. longispina Virginia Moran 2003-4-23 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 390 Comment
  UCR217539  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-9 400 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  RSA607655  Chorizanthe procumbens R. S. Woglum 1938-5-1 1604 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
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Jun 9 2012
  UCR217498  Chorizanthe procumbens Diane Menuz 2008-4-17 422 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  HSC87145  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2105 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  POM183978  Chorizanthe rigida P. A. Munz 1932-3-14 11998 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA519203  Chorizanthe staticoides M. Lee Overholtzer 1962-7-4 294 Riverside North end of Cleveland National Forest, Santa Ana Mountains, Santa Ana River Drainage Area. 1341 Comment
  RSA784657  Chorizanthe staticoides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 64 Riverside South main divide road splitting. Comment
  UCR121193  Chorizanthe staticoides D. E. Bramlet 1989-5-20 1880 Riverside Perris-Aguanga Basin region, Lake Skinner area, 7500 ft. (1.4 mi) east of Lake Skinner Dam and 500 ft. (c. 0.1 mi.) north of access road 518 Comment
  JEPS57758  Chorizanthe xanti W. L. Jepson 1914-5-25 6065 Riverside San Gorgonio Pass 518 Comment
  UC178761  Chorizanthe xanti Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
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1
  POM295630  Chrysothamnus paniculatus Lyman Benson 1952-12-29 15085 Riverside 2 miles NW of the jct of Hwy 99 and Palm Springs Road 457 Comment
  UCR245256  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21294 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
  SEINET5344233  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside Shafer Wells - Cottonwood Springs 25 Comment
  JOTR35077  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  CAS-BOT-BC160579  Chylismia claviformis subsp. aurantiaca G. Helmkamp; E. Helmkamp 1998-1-17 2531 Riverside Coachella Valley; Bob Hope Dr. 0.9 mi. S of I-10 42 Comment
  SBBG81638  Chylismia claviformis subsp. aurantiaca S. A. Junak 1983-3-23 1632 Riverside E side of Jefferson Rd, opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  UC1184362  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11584 Riverside along US Hwy 60 24.7 mi e turn to Corm Springs; Chuckwalla Mountains Comment
  UC1184363  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs Chuckwalla Mountains (wash) Comment
  UC1922415  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1424 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA192008  Cirsium occidentale var. californicum E. W. Lathrop 1959-5-17 4562 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC285634  Cirsium occidentale var. occidentale John Thomas Howell 1930-5-11 4865 Riverside Temescal Canyon, 1 mile south of Alberhill Comment
  CAS-BOT-BC286456  Cirsium scariosum Philip A. Munz 1941-5-18 16654 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  RSA0019617  Cistanthe ambigua Michael Wall 2009-4-5 s.n. Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  CAS-BOT-BC438846  Cistanthe monandra F. H. Billings 1926-1-25 7 Riverside Palm Springs Comment
  POM123129  Cistanthe monandra Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA678340  Cistanthe monandra Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10477 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
  RSA717838  Clarkia dudleyana T. Tennant, Mitch Provance, J. S. Ross 1998-6-25 MOR- 529 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UC454554  Clarkia dudleyana I. J. Condit 1910-6-23 Riverside road to Idyllwild; San Jacinto Mt. 914 Comment
  UCR48384  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  UCR91640  Clarkia epilobioides D. L. Banks, Steve Boyd 1995-5-9 0381 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR151105  Clarkia purpurea Scott D. White 1999-6-8 7452 Riverside Santa Ana Mtns, Corona, near Bedford Canyon: foothills at E slope of Santa Ana Mtns. ''Joseph Canyon'' wash near a disused quarry 366 Comment
  RSA781221  Claytonia parviflora A. C. Sanders, Matthew Malle 2010-4-23 37992 Riverside Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR102823  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-26 20113 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  UCR169311  Clematis ligusticifolia T. B. Salvato, John F. Green 2004-5-27 598 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
  RSA586040  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-3-16 93 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. 512 Comment
  UC1506119  Clematis pauciflora E. R. and T. P. Clausen 1963-4-23 Riverside s. of Red Mt. (s. slope of transverse ridge); Transverse Ranges 980 Comment
  RSA440802  Cleome isomeris Ora M. Clark 1929-2-23 1552 Riverside North of Whitewater Comment
  RSA543191  Cleome isomeris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6111 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  SBBG47466  Collinsia heterophylla N. C. Cooper 1944-6-17 1429 Riverside Pine Cove 1371 Comment
  UCR92231  Collinsia heterophylla D. L. Banks, Steve Boyd 1995-5-3 0263 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SEINET2445248  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 Riverside San Bernardino Mtns. Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. Forest Falls 7.5' Q.; 0 1341 Comment
  UCR272493  Convolvulus arvensis Mitch Provance 2013-6-16 613- 23 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA524443  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4059 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR250195  Convolvulus simulans A. C. Sanders 2014-4-22 41040 Riverside Peninsular Range, Lake Elsinore area, Baker St. c. 0.75 km north of Hwy 74 405 Comment
  UCR193958  Conyza canadensis A. C. Sanders 2008-7-25 35886 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
  POM13739  Corallorhiza maculata E. C. Jaeger 1921-7-6 1162 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  POM305808  Coreopsis californica Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1051 Riverside Corona-Elsinore. Comment
  POM356005  Coreopsis californica Ora M. Clark 1929-4-6 1943 Riverside South of Hemet. Comment
  CAS-BOT-BC101306  Corethrogyne filaginifolia Frank W. Peirson 1924-7-28 5017 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  POM10303  Corethrogyne filaginifolia F. M. Reed 1907-10-20 1980 Riverside Columbia Ave, near Spanishtown Road Comment
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Nov 30 2009
  SBBG95154  Corethrogyne filaginifolia S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR104961  Cortaderia jubata A. C. Sanders 1997-3-19 20038 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  SEINET232364  Coryphantha vivipara Leila Shultz, John S. Shultz 1985-4-17 8310 Riverside Southern extension of the Big Mari[o, d?] Mountians. Comment
  UCR172202  Cotula coronopifolia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR84875  Crassula connata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16132 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  CAS-BOT-BC175812  Crossosoma bigelovii Cecil Hart 1927-3-3 s.n. Riverside Morongo Valley near Whitewater Comment
  CAS-BOT-BC181562  Crossosoma bigelovii B. Pitzer; O. Clarke; S. Reed; G. Ruiz 1998-3-7 3562 Riverside Wildlands Conservancy's Mission Creek Preserve, ca. 2 mi. up canyon from entrance at ranch gate - San Bernardino Mountains 762 Comment
  NY268568  Crossosoma bigelovii S. B. Parish 1896-4-4 4185 Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mt. 152.4 Comment
  RSA397716  Crossosoma bigelovii M. B. Dunkle 1937-3-25 4949 Riverside Aqueduct Rd. Colorado Desert Comment
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Dec 18 2011
  SBBG51094  Crossosoma bigelovii S. L. Timbrook 1977-2-28 563 Riverside W side of Whitewater Cyn, where Pacific Crest Trail crosses Whitewater Crk 731 Comment
  JEPS52464  Croton californicus W. L. Jepson 1901-5-17 1217 Riverside Riverside Comment
  RSA772018  Croton californicus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4952 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SD230228  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 1111, 1 km northwest of Palm Slprings (measured from the intersection with San Rafael Dr.) south of the highway. 214 Comment
  SD236275  Croton californicus A. C. Sanders, Mike Misenhelter 2008-6-10 35447 Riverside San Bernardino Valley: Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel. 231 Comment
  SDSU13531  Croton californicus W. Miller with C. Mosse 1972-7-12 Riverside West of M.W.D. Station. Comment
  UC1922002  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UCR175366  Croton californicus Jim Andre 2006-4-26 6777 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  UCR159198  Croton setiger A. C. Sanders, Kelly Volansky 2005-8-31 31596 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCD148354  Crypsis schoenoides Don Domenigoni 1997-7-21 s.n. Riverside West Coast Turf, 31755 Winchester Road, Winchester. Comment
  CAS-BOT-BC389672  Cryptantha D. L. Castleberry 1964-2-2 s.n. Riverside Tahquitz Canyon Comment
  RSA799815  Cryptantha D. M. Ray 2011-3-5 13 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR231780  Cryptantha John F. Green 2008-4-23 08- 24 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR251701  Cryptantha T. B. Salvato 2014-4-9 7839 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  JEPS67469  Cryptantha angustifolia Marjorie D. Clary 1933-2-26 2067 Riverside road from Indio to Fargo Cnayon; Colorado Desert 91 Comment
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Oct 31 2011
  OBI53701  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2143 Riverside N end of Palen Mts, 2 mi W of Palen Pass 300 Comment
  OBI75953  Cryptantha angustifolia James M. Andre 2011-2-9 156945 Riverside Coachella Valley; along Varner Rd between Desert Hot Springs and Palm Desert; 2 mi N of I-10 189 Comment
  POM368196  Cryptantha angustifolia N. C. Cooper 1949-4-8 3294 Riverside Desert Center. 610 Comment
  RSA652889  Cryptantha angustifolia John Wallace, Steve McNabb 1991-5-5 9 Riverside Approximately one mile south of Thompsons Camp. Comment
  RSA778221  Cryptantha angustifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 774 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UC1063928  Cryptantha angustifolia H. S. Yates 1937-3-23 6403 Riverside 2. mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR167248  Cryptantha angustifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR216676  Cryptantha angustifolia Jim Andre, T. La Doux 2009-3-10 11236 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  JEPS20702  Cryptantha barbigera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13245 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  UC1178556  Cryptantha barbigera Peter Kamb 1948-4-11 880 Riverside e of Garnet (aqueduct road); Coachella 304 Comment
  UCR6095  Cryptantha barbigera Barry A. Vittor 1966-3-11 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles NE of Salton Sea State Park 30 Comment
  SDSU21880  Cryptantha barbigera var. fergusoniae Kristen Hasenstab, M. G. Simpson 2008-4-2 66 Riverside Joshua Tree National Park. North side of Split Rock, 100ft south of the trail wrapping around Split Rock. 1294 Comment
  UCR258781  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7903 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  SEINET3100711  Cryptantha costata G. Rink, M. Honer, K. Christie 2012-3-19 11083 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  UCR279375  Cryptantha decipiens A. C. Sanders, Jim Malusa 2017-3-24 42953 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR41535  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6049 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  RSA79569  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  UC100864  Cryptantha holoptera H. M. Hall Apr 1905 5788 Riverside 10 mi w Coachella; Colorado Desert, Marshall Canyon 91 Comment
  POM156467  Cryptantha intermedia L. R. Abrams 1903-4-6 3214 Riverside Cabazon Station Comment
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Mar 13 2011
  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
  RSA779438  Cryptantha intermedia A. C. Sanders 1998-1-15 21641 Riverside along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UC402774  Cryptantha intermedia C. F. Baker 1903-4-5 4138 Riverside Hemet Comment
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Mar 24 2011
  UC551862  Cryptantha intermedia F. R. Fosberg 1932-5-9 10641 Riverside Sage 770 Comment
  UCR199560  Cryptantha intermedia Scott D. White 2004-4-26 10270 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR58484  Cryptantha intermedia Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  SBBG87841  Cryptantha maritima A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  UCR245655  Cryptantha maritima Duncan S. Bell 2010-4-1 673 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  UC218237  Cryptantha micrantha P. A. Munz and I. M. Johnston 1922-5-19 5421 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  RSA594773A  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 A 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
  UCR266468  Cryptantha microstachys Mitch Provance, Robin Kinmont 2015-3-27 315- 55 Riverside Perris-Aguanga Basin Region, Murrieta Hot Springs, Leon Rd. (unmarked dirt portion) on unnamed hill c. 0.5 miles W of Skunk Hollow, vicinity of W terminus of Promontory Parkway. 430 Comment
  UCR89844  Cryptantha microstachys Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3312 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SBBG87639  Cryptantha muricata var. muricata A. C. Sanders 1986-6-1 6537 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  POM118684  Cryptantha nevadensis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR102700  Cryptantha nevadensis B. G. Pitzer 1998-1-24 3383 .1 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
  UCR228203  Cryptantha nevadensis Dave Silverman 2010-3-30 7884 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  CLARK-A1045-103  Cryptantha pterocarya George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  HSC3620  Cryptantha pterocarya C. L. Hitchcock, C. V. Muhlick 1964-3-22 23251 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  RSA796031  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2009-4-18 254 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  HSC25820  Cryptantha racemosa Richard Spjut 1972-3-20 2289 Riverside Colorado Desert; N base of the Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  RSA97125  Cryptantha racemosa H. K. Buechner 1955-5-29 C- 79 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  JOTR30661  Cryptantha utahensis La Doux, Tasha, Jim Andre 2008-3-21 148 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  JOTR34336  Cryptantha utahensis Andre, Jim 2012-4-11 20678 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  POM11166A  Cryptogramma acrostichoides Philip A. Munz 1922-9-7 6411 Riverside San Jacinto Peak, near the summit 3277 Comment
  SBBG120589  Cuscuta californica var. californica A. C. Sanders, T. B. Salvato, K. Volansky 2006-5-28 32622 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd, 591 Comment
  SDSU16680  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  UCR100301  Cuscuta californica var. papillosa B. G. Pitzer 1997-4-20 3191 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  POM201675  Cuscuta subinclusa L. M. Booth 828 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  UCR90280  Cycloloma atriplicifolium Scott D. White 1995-7-7 3446 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR10176  Cylindropuntia bigelovii Anonymous 1969-5-25 21 Riverside Southern Mojave Desert/Sonoran (Colorado) Desert, Joshua Tree Natl. Monument near road leading from Cottonwood Springs to Twenty-nine Palms, in the cholla garden of the Monument 1220 Comment
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  SEINET5624467 Image available Cylindropuntia chuckwallensis Marc A. Baker 2012-4-9 17533 Riverside East of Red Canyon 7.5' USGS topographic quadrangle, along Salt Creek, 17.5km WNW of Black Butte in the Chuckwalla Mountains, 18km SE of Chiriaco Summit 498 Comment
  RSA0083637  Cylindropuntia ganderi Lyman Benson 1962-2-17 16141 Riverside 4 miles northeast of Aguanga. 915 Comment
  SD145973  Cylindropuntia prolifera A. C. Sanders, D. Malueg, K. D. Jones 2000-9-8 23645 Riverside Temecula Valley:gasline route on E edge of Temecula,ca. 2 km SW of Skunk Hollow & 1 km N of Nicolas Rd,N side of next arroyo N of Santa Gertrudis Creek,NE of elementary school.Bachelor Mt 7.5' quad.On 1300' hill,SW-facing bowl E of 'pipeline'. (IPB 8/07) 381 Comment
  UC1518769  Cymopterus panamintensis var. acutifolius John F. Emmel 1974-4-27 486 Riverside 0.4 air mi ne of Peak 3263 (on 1956 USGS topographic quadrangle; n end Coxcomb Mountains); Coxcomb Mountains 762 Comment
  RSA335029  Cynodon dactylon Steve Boyd 1985-7-23 1002 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  UCR188893  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA522716  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3807 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  CDA2591  Cyperus esculentus G. D. Barbe 1973-10-19 1732 Riverside Marshburn Farms. Southeast corner of Van Buren and Road 62, west of Thermal. 0 Comment
  UCR265057  Cyperus involucratus Mitch Provance 2012-11-9 612- 52 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR90827  Cyperus involucratus A. C. Sanders, G. K. Helmkamp 1996-3-17 17981 Riverside Coachella Valley, Palm Springs, Tahquitz Canyon in vicinity of the debris basin above the W end of Sunny Dunes Road. 183 Comment
  UC1559  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Elsinore Lake Comment
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Aug 8 2010
  RSA314474  Cyperus squarrosus Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55379 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA559351  Cyperus squarrosus Steve Boyd, Timothy S. Ross 1992-5-15 7391 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  CAS-BOT-BC334204  Dalea O. F. Clarke 2010-2-20 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  RSA91430  Dalea mollis F. W. Peirson 1932-3-22 9811 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  JOTR16699  Dalea mollissima Vanderspek & Youse 1964-4-19 64537 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  POM310161  Dalea mollissima Hulda Crooks 1946-3-2 269 Riverside Palm Springs area. 139 Comment
  UC68519  Dalea mollissima H. M. Hall Apr., 1905 5792 Riverside Colorado Desert 30 Comment
  CLARK-A1528-2772  Dalea schottii John C. Roos 1966-5-2 Riverside Indio Hills Comment
  SEINET10903920  Dalea spinosa Billy Joe Cox 1975-6-26 Cox 4203 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 21 Comment
  SD132345  Datisca glomerata B. Pitzer, B. L. Phillips 1988-7-1 1480 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb and Arroyo Seco Creeks 490 Comment
  UC19642  Datisca glomerata Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  RSA192102  Datura wrightii E. W. Lathrop 1960-6-15 5015 Riverside 10 mi. W. of Murrieta. Comment
  UCR145967  Datura wrightii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR112807  Daucus pusillus A. C. Sanders 1997-5-1 20621 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR281476  Daucus pusillus Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 83 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  UC63254  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside vicinity Riverside; Highgrove 365 Comment
  HSC87025  Deinandra kelloggii L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  UC310836  Deinandra kelloggii Philip A. Munz 1925-1 9849 Riverside Aguanga Comment
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May 30 2011
  UCR253002  Deinandra mohavensis R. E. Riefner Jr. 2013-6-15 13- 118 Riverside Garner Valley, north side of Hwy 74 c. 0.45 mi east of Thomas Mountain Road (Forest Route 6S130), Little Thomas Mountain area 1386 Comment
  SD181703  Deinandra paniculata Scott D. White 2001-6-20 8596 Riverside Just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215 Freeway. 441 Comment
  RSA278562  Delphinium parishii T. C. Emmel 1961-3-21 s.n. Riverside Chino Canyon Comment
  LA207619  Delphinium parishii subsp. subglobosum Carl Epling; Mrs. Epling 1937-6-7 sn Riverside 1 mi. above Pine Flat Comment
  SBBG35010  Delphinium parryi subsp. parryi T. L. Secrest 1951-5-18 Riverside San Jacinto, few mi E of Hemet Comment
  CAS-BOT-BC82956  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon. Benches of Indian Wash just south of Interstate 15. Comment
  RSA652537  Dendromecon rigida R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  SBBG2468  Descurainia pinnata H. and M. Dearing 1942-3-1 4804 Riverside Cathedral City Comment
  SBBG28426  Descurainia pinnata D. Myrick 1964-4-30 835 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
  UC354445  Descurainia pinnata subsp. glabra Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs (Eagle Canyon); Eagle Canyon 91 Comment
  RSA773043  Descurainia pinnata subsp. halictorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5038 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 W116.66011 750 Comment
  UC455326  Dicentra chrysantha I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. Comment
  RSA263742  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1968-5-17 6890 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  UCR20738  Dichelostemma capitatum subsp. capitatum A. C. Sanders, Steve Boyd 1980-5-2 1418 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR93016  Dichelostemma capitatum subsp. capitatum G. P. Schultz 1994-4-7 75 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  POM306763  Dicoria canescens Henry J. Ramsey, Henry J. Ramsey 1937-11-20 1634 Riverside Coachella Valley Comment
  POM356428  Dicoria canescens Allen 1921-10-1 s.n. Riverside Palm Springs. Comment
  SD87727  Dicoria canescens F. W. Peirson 1920-12-29 Riverside 1.5 miles east of Whitewater Comment
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Aug 21 2007
  SFV11885  Dicoria canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  CAS-BOT-BC150868  Diplacus puniceus C. L. Hitchcock; C. V. Muhlick 1964-3-17 23105 Riverside 10 miles n. of Pala, on road to Elsinore Comment
  CAS-BOT-BC150872  Diplacus puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade 609 Comment
  SD122437  Diplacus puniceus Duffie Clemons, J. Dice, G. Keator 1988-2-18 1944 Riverside alongside jeep trail leading into Santa Margarita Ecological Preserve west of Temecula Comment
  UCR2335  Distichlis spicata F. M. Reed 1903-11-23 424 Riverside Riverside, water company pasture on Magnolia Avenue below Arlington Ave. 255 Comment
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Oct 6 2017
  RSA421623  Ditaxis californica H. de Forest 1935-12-26 s.n. Riverside Colorado Desert Comment
  POM10489  Ditaxis lanceolata Charlotte M. Wilder 1907-4-8 772 Riverside Near Palm Springs 152 Comment
  SEINET3860092  Ditaxis lanceolata T. B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert: alluvial slope between the McCoy Mountains and McCoy Wash, ca 14 mi. northwest of Blythe.; 0 183 Comment
  UCR234815  Ditaxis lanceolata Jim Andre, Glenn L. Clifton 2011-2-22 17480 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  RSA776244  Ditaxis neomexicana Duncan S. Bell 2010-3-20 595 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR157438  Ditaxis neomexicana George K. Helmkamp 1998-4-4 3180 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCR213276  Ditaxis neomexicana A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37427 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR244314  Ditaxis neomexicana Jim Andre 2012-4-16 20889 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
  UCR260316  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-3-10 41373 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR72230  Ditaxis neomexicana Theo Glenn 1991-5-28 91- 109 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  RSA530735  Dithyrea californica George B. Grant 1906-4-8 s.n. Riverside Palm Springs. Comment
  RSA781612  Dithyrea californica Duncan S. Bell 2011-12-30 3036 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
  UC856055  Dithyrea californica Ira L. Wiggins 1937-3-9 8765 Riverside n of Indio Comment
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Dec 16 2011
  HSC86947  Dodecatheon clevelandii B. Pitzer, E. Misqez 1988-2-28 623 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  POM49094  Dodecatheon redolens P. A. Munz 1924-7-27 8768 Riverside Deer Springs, San Jacinto Mountains 2500 Comment
  UC10471  Draba corrugata var. saxosa H. M. Hall July 1901 2499 Riverside along creeks of Tamarack Valley San Jacinto Mountains, Tamarack Valley 2743 Comment
  CLARK-A1528-2314  Draba cuneifolia John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  RSA776638  Draba cuneifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1095 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  POM370046  Draba cuneifolia var. sonorae Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA613128  Draba verna D. L. Banks 1997-3-6 1398 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  POM188070  Drymocallis glandulosa var. glandulosa L. Crutcher 1933-7-1 17 Riverside Creek below Camp Tahquitz. Comment
  POM20030  Drymocallis glandulosa var. reflexa Mary F. Spencer 1923-06 2198 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  JOTR00967  Dryopteris arguta Adams and Black, Donald 1957-10-1 s.n. Riverside Joshua Tree National Park. ROCKS NEST OF OPTIMO TRI. STA. Comment
  UCR26374  Dudleya abramsii subsp. abramsii A. C. Sanders 1981-7-11 2205 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  UCSB2520  Dudleya cymosa Gray, Caroline 1956-4-13 Riverside In White Water Canyon; near White Water Comment
  SD70422  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass. 550 Comment
  RSA559432  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-5 7222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  CAS-BOT-BC109647  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 682 Riverside San Jacinto Mountains, Thomas Mountain, ca. 0.5 mile from Highway 74 on Ramona Trail. Comment
  POM265678  Dudleya saxosa subsp. aloides J. C. Roos 1937-4-18 1284 Riverside Near Cabazon. Comment
  POM310970  Dudleya saxosa subsp. aloides Reid V. Moran 1947-5-10 2181 Riverside Palms to Pines Highway 1 mi east of Santa Rosa Summit 1372 Comment
  RSA503201  Dudleya saxosa subsp. aloides R. F. Thorne 1983-4-23 55501 Riverside On W side of canyon, about 3.3 mi. N of Whitewater Post Office. 610 Comment
  JOTR01047  Dudleya saxosa subsp. aloides Cole, James E. 1941-5-21 759 Riverside Joshua Tree National Park. DALE, COTTONWOOD ROAD 914 Comment
  POM66435  Dyssodia porophylloides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  POM119234  Echinodorus cordifolius S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake. Comment
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Aug 8 2010
  OBI71128  Ehrharta erecta Michael Curto, Linda Allen 1992-7-15 845 Riverside Riverside, Univ of Calif campus, Arboretum, near entrance Comment
  RSA665176  Eleocharis engelmannii R. E. Riefner 2001-12-16 1 -775 Riverside Paloma Valley; near Antelope Rd. and Garbini Rd. 450 Comment
  CDA38957  Eleocharis montevidensis F. J. Willmarth 1958-2-28 s.n. Riverside Riverside. 0 Comment
  UCR43787  Eleocharis montevidensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60632 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  RSA736244  Eleocharis parishii Scott D. White, Jonathan Campbell 2008-4-18 11894 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UC839229  Eleocharis parishii Ivan Johnston 1917-4-4 Riverside Palm Canyon Southern California, Colorado Desert Comment
  SD233693  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons. Disturbed drainaage channels. 366 Comment
  UCR174252  Elymus condensatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32500 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR133109  Elymus elongatus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA179496  Elymus multisetus E. W. Lathrop 1960-6-7 4867 Riverside 14 miles west of Murrieta Comment
  RSA754125  Elymus trachycaulus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 16 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  RSA500219  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-5-7 3524 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR178001  Emmenanthe penduliflora S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SD112394  Encelia actoni Darley F. Howe 1936-6-14 361 Riverside San Jacinto Mountains Comment
  UC63172  Encelia actoni H. M. Hall 1901-6-1 2007 Riverside San Jacinto Comment
  VVC2872  Encelia actoni Tim Thomas, P. J. MacKay 2010-4-10 5051 Riverside San Bernardino Mtns., Whitewater River; Mouth of Catclaw Flat, on ridge to immediate west. 896 Comment
  UCR172257  Encelia californica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  SD187348  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  SD229084  Encelia farinosa Dick Schwenkmeyer 2012-11-6 872 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC665886  Encelia farinosa Ira L. Wiggins 1941-3-24 9578 Riverside 2.7 s Mortmar; Salton Sea Comment
  UCD20082  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -216 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  RSA795739  Encelia frutescens Jim Andre 2012-3-18 21290 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  UCR277626  Encelia frutescens Aaron C. Sedgwick 2012-11-9 164 Riverside Mojave Desert, south of Needles, Chemehuevi Wash basin, west of Hwy 95 on Turtle Mountain Road 76 Comment
  CAS-BOT-BC81542  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  POM259670  Ephedra californica Philip A. Munz 1940-2-22 15657 Riverside Rocky gully, Whitewater Canyon, 2 miles north of Banning-Indio boulevard. Comment
  UC1302449  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 mi s of Morongo Valley (ca 3 mi s of San Bernardino Co. line) Comment
  UC729947  Ephedra nevadensis B. D. Stark 1932-6-17 Riverside canyon above Cottonwood Springs; Colorado Desert, Eagle Mts. 396 Comment
  UC729743  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside on Blythe Road 3 mi s Rice; Eastern Colorado Desert 213 Comment
  UC1329984  Ephedra viridis James E. Cole 1941-4-10 509 Riverside Twin Tanks Joshua Tree National Monument, Twin Tanks Comment
  CAS-BOT-BC5226  Epilobium canum subsp. latifolium Winifern W. Swarth 1914-9-9 s.n. Riverside San Jacinto Mts. Comment
  RSA24175  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-31 9759 Riverside Colorado Desert; Cottonwood Springs, Eagle Mountains. 290 Comment
  SD229206  Epilobium canum subsp. latifolium Dick Schwenkmeyer 2012-8-27 807 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UC2030091  Epilobium densiflorum Scott D. White 2000-8-5 8108 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UCR25050  Epilobium densiflorum A. C. Sanders 1981-7-22 1742 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  POM966  Equisetum arvense D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
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Sep 3 2011
  UCR25036  Equisetum laevigatum A. C. Sanders 1981-7-22 1738 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  POM352237  Eragrostis cilianensis Anstruther Davidson 1904-5-11 1091 Riverside Palm Springs Comment
  SEINET2473419 Image available Eragrostis curvula Andrew C. Sanders 2011-1 38904 Riverside Peninsular Range; city of Lake Elsinore, old section of Hwy 74 (bypassed) west of Ardenwood Way, curving around a rocky hill, roadside along current Hwy 74 toward Ardenwood. 420 Comment
  UC577615  Eragrostis minor H. S. Yates 1937-6-28 6731 Riverside Palm Springs; San Jacinto Quad. Comment
  UCR93087  Eragrostis minor A. C. Sanders, S. Ogg 1994-7-28 15173 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA316420  Eragrostis minor R. F. Thorne 1982-10-8 55392 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office 595 Comment
  CSUSB1449  Eremalche exilis Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  UCR50915  Eremalche exilis D. E. Bramlet 1988-4-27 s.n. Riverside San Jacinto Valley, Hemet area, 0.25 mi. east of the intersection of Gibbel and State Streets. Comment
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  JOTR31898  Eremalche rotundifolia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2147 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA27803  Eremalche rotundifolia C. L. Hitchcock 1940-4-4 5955 Riverside Pinto Basin. Comment
  UCR112092  Eremalche rotundifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23366 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  CDA37645  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  SBBG55252  Eriastrum densifolium T. Criswell 1977-5-1 48 Riverside E side of Hwy 74 about 13 mi S of its jct with Hwy 111 304 Comment
  CAS-BOT-BC514304  Eriastrum densifolium subsp. austromontanum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR126168  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside San Jacinto Mtns., Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1268 Comment
  JOTR16796  Eriastrum densifolium subsp. elongatum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UC971781  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  RSA0120086  Eriastrum eremicum subsp. eremicum P. A. Munz 1937-5-29 15148 Riverside Palms to Pines Highway, Deep Canyon, Santa Rosa Mountains. 1067 Comment
  SD260101  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) Low dunes. 242 Comment
  UCR106344  Eriastrum sapphirinum John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0122952  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA0121576  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6954 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA736781  Ericameria brachylepis Scott D. White, Angelia Carey 2004-7-2 10558 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 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
  RSA545233  Ericameria cuneata var. spathulata R. F. Thorne 1970-10 41883 Riverside San Bernardino Mts, Whitewater Canyon: 1350ft near bridges and Whitewater Post Office to 2000 ft up the Canyon toward fish hatchery Comment
  POM359407  Ericameria linearifolia Gary D. Wallace 1966-3-26 239 Riverside Whitewater Canyon on mesa 427 Comment
  UC894819  Ericameria nauseosa var. bernardina E. C. Jaeger 1922-8-25 1009 Riverside San Jacinto Mts., Long Valley 2529 Comment
  JEPS19267  Ericameria paniculata Marjorie D. Clary 1932-12-18 1742 Riverside Clemens Well Colorado Desert, Orocopia Mts. 243 Comment
  OBI49698  Ericameria paniculata Lyman Benson 1952-12-29 15083 Riverside 2 mi NW of jct US 99 and Palm Springs Rd 457 Comment
  UCR174943  Ericameria paniculata Jennifer H. Jones, Toby Bartels 2006-4-23 281 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  POM359452  Ericameria parishii Albert J. Perkins 1916-9-15 s.n. Riverside Summit, Tahquitz Peak. Comment
  UC574882  Erigeron breweri var. covillei C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino, Key's View 1524 Comment
  JEPS41487  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall 1901-5-19 1275 Riverside San Jacinto River Canyon 388 Comment
  POM157944  Erigeron foliosus var. foliosus P. A. Munz 1927-5-20 10824 Riverside 10 miles S. of Hemet. Comment
  RSA761998  Erigeron foliosus var. foliosus Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 77 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR18241  Eriochloa contracta Bill Isom 1976-1 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, south of Blythe, South Lovekin Blvd. 76 Comment
  CAS-BOT-BC189081  Eriodictyon crassifolium A. C. Sanders; G. Helmkamp 1997-3-15 19987 Riverside Lake Skinner, SE foot of Bachelor Mountain, just N of the lake 600 Comment
  CLARK-A1528-2970  Eriodictyon crassifolium John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  POM157931  Eriodictyon crassifolium P. A. Munz 1927-5-21 10839 Riverside Creek bank, 7 miles SW of Coahuila. Comment
  RSA6842A  Eriodictyon crassifolium P. A. Munz, L. T. Street 1919-5-7 2734 Riverside Tahquitz Canyon 213 Comment
  SEINET13710359  Eriodictyon crassifolium J. Adams, J. Adams (Botany) 1965-1 193 Riverside 2 Mi. Above Banning on Rd Toward Idyllwild 3500 Ft 1067 Comment
  UCR234245  Eriodictyon crassifolium A. C. Sanders, T. B. Salvato 2012-4-27 40091 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  UCSB10302  Eriodictyon crassifolium Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road; San Jacinto Mt. Range; Colorado Desert drainage area 563 Comment
  RSA699633  Eriodictyon trichocalyx Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA783130  Eriogonum J. D. Olmsted 1959-9-23 1005 Riverside Hemet-Idyllwild road above Mt. Center and garbage pit where road from Saunder's Mdws. comes along stream draining DSS pond 1524 Comment
  SD255836  Eriogonum Mitch Provance 2012-5-24 51201 Riverside San Gorgonio Pass: Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd, both N and S of W Wilson St (Beaumont 7.5'Q) 783 Comment
  UCR127545  Eriogonum angulosum A. C. Sanders, Mark Elvin 2001-8-17 24597 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  CAS-BOT-BC248626  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2316 Comment
  POM254741  Eriogonum apiculatum P. A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2317 Comment
  RSA766438  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 1264 Riverside Tahquitz Peak, San Jacinto Mts. 1829 Comment
  SBBG61839  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  UC1007165  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside near Santa Rosa Peak 2316 Comment
  UCR118785  Eriogonum apiculatum G. R. Ballmer 1991-7-11 s.n. Riverside Santa Rosa Mtns., Santa Rosa Mtn Road (Truck Trail going up Santa Roas Mtn.), 12 mi SE of the junction with Hwy 74. west of Deep Canyon. Comment
  UCR251985  Eriogonum apiculatum A. C. Sanders, T. B. Salvato 2014-7-2 41168 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  JEPS56701  Eriogonum davidsonii W. L. Jepson 1903-8-4 2282 Riverside below Thomas Valley forks (trip to Spruce Canyon; Chalk Hill); San Jacinto Mts., Chalk Hill 1524 Comment
  RSA393471  Eriogonum davidsonii N. R. Zabriskie 1972-9-17 538 Riverside Banning-Idyllwild road, S side. 1768 Comment
  RSA766419  Eriogonum davidsonii Joseph A. Ewan 1928-8-28 1517 Riverside Strawberry Valley. San Jacinto Mtns. 1616 Comment
  SBBG34525  Eriogonum davidsonii D. Myrick 1969-10-20 2128 Riverside St Hwy 74, E of Hemet 1066 Comment
  UC218108  Eriogonum davidsonii P. A. Munz 1922-6-25 5822 Riverside bet. Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  UCR243575  Eriogonum davidsonii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21106 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR35100  Eriogonum davidsonii L. B. Ziegler 1964-7-20 32 Riverside San Jacinto Mountains, Garner (Hemet) Valley Comment
  SEINET11932637  Eriogonum davidsonii J. F. Emmel 1979-1 694 Riverside SE end Jacinte Mts S base of Sugarleaf Mt. near SE end of Pinyon Flat 1219 Comment
  RSA792483  Eriogonum deflexum Justin M. Wood, Dustin Ray 2011-4-28 3843 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UCR233548  Eriogonum deflexum var. deflexum Jim Andre, Glenn L. Clifton 2011-2-22 17415 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  RSA65154  Eriogonum elongatum F. W. Peirson 1933-4-15 10651 Riverside Whitewater River, 4.5 miles above the bridge. 701 Comment
  UC849410  Eriogonum fasciculatum var. flavoviride Carl B. Wolf 1932-10-12 4293 Riverside Pinyon Well Colorado Desert, Litle San Bernardino Mts. 1219 Comment
  LA206857  Eriogonum fasciculatum var. foliolosum A. M. Johnson; 1932-4-23 4027 Riverside San Jacinto Mountains, along road Comment
  CAS-BOT-BC250137  Eriogonum fasciculatum var. polifolium Edmund C. Jaeger 1932-5-12 s.n. Riverside Cottonwood, near Sage, south of Hemet Comment
  JOTR29154  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1231 Riverside Joshua Tree National Park. Eureka Peak Comment
  RSA297345  Eriogonum fasciculatum var. polifolium Larry E. DeBuhr 1977-2-20 2556 Riverside 1 mile below the Palm Springs Tramway Station, upper canyon on east side of Mt. San Jacinto. Comment
  SJSU9158  Eriogonum fasciculatum var. polifolium G. E. Eberle 1962-12-27 83 Riverside by Riverside campus of Univ of Calif Comment
  RSA595922  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 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
  UCR234757  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UC849724  Eriogonum maculatum I. W. Clokey 1935-4-17 6596 Riverside Cottonwood Springs Comment
  UCR18179  Eriogonum maculatum A. C. Sanders 1978-4-30 554 Riverside Santa Rosa Mtns, Pinyon Flat area; at the dolomite mine at the west end of the Cactus Springs Trail 1189 Comment
  RSA144222  Eriogonum mohavense William M. Klein 1960-8-22 1588 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  RSA761156  Eriogonum nudum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 687 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CHSC26394  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Canyon along the eastern periphery. 609 Comment
  UC1929883  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  CAS-BOT-BC253020  Eriogonum reniforme L. R. Abrams 1926-3-26 11056 Riverside Palm Springs to Palm Canyon Comment
  CAS-BOT-BC268557  Eriogonum saxatile A. J. McClatchie 1893-6-28 147 Riverside Near Pasadena 1371 Comment
  CAS-BOT-BC263522  Eriogonum thomasii K. L. Chambers 1973-3-19 3620 Riverside Cottonwood Pass Road at s. border of Joshua Tree Natl. Mon., 1.0 miles n. of junction with Highway 60 Comment
  POM230614  Eriogonum thomasii I. W. Clokey 1933-4-17 s.n. Riverside Cottonwood Springs. Comment
  UCD101281  Eriogonum thomasii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1459 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  UCR148335  Eriogonum thomasii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR2968  Eriogonum thomasii D. L. Flaherty 1963-4-11 131 Riverside Sonoran (Colorado) Desert, 10 miles east of Mecca on Highway 195 along side of road, Box Canyon 244 Comment
  CAS-BOT-BC262878  Eriogonum thurberi A. J. McClatchie 1896-7-7 1162 Riverside Pala Comment
  RSA424977  Eriogonum thurberi Lester H. Cushman 1931-10-25 s.n. Riverside Near Riverside. Comment
  SEINET6894826  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  UC472771  Eriogonum trichopes M. F. Spencer Apr 1922 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  JOTR29225  Eriogonum wrightii var. nodosum La Doux, Tasha, Mike Bell 2005-9-15 1333 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  RSA297402  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  POM357896  Eriophyllum ambiguum var. paleaceum Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC297340  Eriophyllum confertiflorum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Between Beaumont and Riverside Comment
  POM357992  Eriophyllum confertiflorum M. V. Hood 1945-3-25 s.n. Riverside Aguanga, San Diego County. [Riverside County] 595 Comment
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Jan 22 2009
  RSA6121  Eriophyllum confertiflorum C. B. Wolf 1932-5-25 3691 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  RSA651121  Eriophyllum confertiflorum Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  SD126657  Eriophyllum confertiflorum Ed LaRue 1989-4-25 Riverside 2 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest at mouths of Rice and McVicker Canyons. 490 Comment
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Nov 17 2011
  UCR121327  Eriophyllum confertiflorum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24992 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  JOTR31153  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha 2009-6-3 1862 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA744239  Eriophyllum multicaule Michael Wall 2009-5-15 507 Riverside Bautista Creek off Bautista Canyon Rd. ca. 8.25 miles SE of jct. with Fairview Ave. 757 Comment
  CAS-BOT-BC296927  Eriophyllum wallacei Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC296969  Eriophyllum wallacei Catherine A. Toschi 1963-4-11 63 :127 Riverside Porcupine Wash, Joshua Tree National Monument; sandy wash 762 Comment
  SBBG92109  Erodium brachycarpum J. Hirshberg 1989-4-3 Riverside S of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  UC1929300  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass; Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. Comment
  JOTR31058  Erodium cicutarium La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2041 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA668341  Erodium cicutarium C. R. Annable 1995-3-16 2288 Riverside 4 km W of Chiriaco Summit and 0.8km N of Interstate 10. Comment
  UCR180591  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA660656  Erodium cicutarium Carol A. Shideler 1981-4-11 12 Riverside Lake Mathews El Cerrito, E on Cajalco Rd, 6 mi. of Corona .5 mi W of Pacifico Clay Company, mi. 52086.2. Comment
  RSA781187  Erodium cicutarium D. Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of wter treatment facility, along Smith Creek, 320 m south of E Westward Ave. 628 Comment
  RSA543135  Erodium macrophyllum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6124 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  CLARK-A1528-2959  Erodium moschatum John C. Roos 1952-4-9 5480 Riverside Riverside 259 Comment
  POM13597  Erodium texanum E. C. Jaeger 1921-3-7 24 Riverside Martinez, Salton Sink. -60 Comment
  SD134372  Erythranthe breweri Craig Reiser 1992-5-9 Riverside San Jacinto Mountains, Thomas Mountain Comment
  RSA0018792  Erythranthe guttata F. W. Peirson 1917-4-1 1125 Riverside Andreas Canyon near Palm Springs. Comment
  RSA0015880  Erythranthe moschata M. B. Dunkle 1933-7-21 3727 Riverside Idyllwild. 1616 Comment
  RSA0014886  Erythranthe tilingii L. Crutcher 1933-8-22 2 Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  JOTR37469  Eschscholzia androuxii Hodges, Stephen, T. Green 2016-5-5 591 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  HSC16762  Eschscholzia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23096 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  UC10065  Eschscholzia californica Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UC118510  Eschscholzia californica Charlotte M. Wilder June, 1905 652 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UC56225  Eschscholzia californica H. M. Hall Apr. 1903 3713 Riverside Vicinity of Riverside 396 Comment
  CAS-BOT-BC154114  Eschscholzia glyptosperma N. Aitkenhead 1977-2-2 s.n. Riverside ~1 mi. from junction of J.T. Mon. Rd & pipeline Comment
  JOTR37714  Eschscholzia minutiflora Hodges, Stephen R. 2016-3-1 639 Riverside Joshua Tree National Park. Eagle Mountains, Along road leading to Pinto Wells north of park boundary. Comment
  RSA0110191  Eschscholzia minutiflora Duncan S. Bell 2010-4-2 711 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA278563  Eschscholzia minutiflora T. C. Emmel 1961-3-21 21 Riverside Chino Canyon Comment
  RSA726533  Eschscholzia minutiflora Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1443 Riverside Along Palen Road near Hwy 177. 170 Comment
  SD225053  Eschscholzia minutiflora G. K. Helmkamp 1998-4-4 3133 Riverside Southern Mojave Deset: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center- Rice Rd.) 474 Comment
  JOTR38680  Eschscholzia papastillii Hodges, Stephen R. 2017-2-7 696 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  RSA0124034  Eschscholzia papastillii Duncan S. Bell, LeRoy Gross 2016-3-10 8879 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA0023130  Eschscholzia papastillii Michael Honer, L. Hulse 2005-3-7 2031 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  GMDRC9806  Eschscholzia parishii J. M. Andre 2017-3-1 38025 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  OBI32596  Eschscholzia parishii A. C. Sanders 1983-4-24 3797 Riverside Alluvial fan at the NW end of the Orocopia Mts along hwy 195, +/- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the rd enters Box Cyn 366 Comment
  UCR4234  Eschscholzia parishii K. S. Gill 1965-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Canyon 5 mi north of Hwy 60 610 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
  SEINET7073449  Eucrypta chrysanthemifolia A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA314636  Eucrypta chrysanthemifolia var. bipinnatifida Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55456 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR107414  Eucrypta chrysanthemifolia var. chrysanthemifolia B. G. Pitzer 1997-3-23 2954 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
  UCR84886  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16230 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR18161  Eucrypta micrantha A. C. Sanders 1978-3-18 376 Riverside Santa Rosa Mountains, near the foot of Hwy 74 396 Comment
  UCR281196  Eulobus californicus Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  RSA0042473  Euphorbia Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 56 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
  UCR176674  Euphorbia G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR133322  Euphorbia albomarginata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0042104  Euphorbia eriantha Duncan S. Bell, Deidre Conocchioli 2014-3-11 6231 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  SBBG67745  Euphorbia lurida Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UCR211499  Euphorbia micromera Jim Andre, T. La Doux 2008-9-13 10266 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UCR14422  Euphorbia ocellata subsp. ocellata A. C. Sanders 1974-9-18 0296 Riverside Riverside, Botanic Garden at U.C.R., Australian section near back fence 412 Comment
  RSA711032  Euphorbia ophthalmica A. C. Sanders 1996-3-17 17979 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  SEINET1004496  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-1 17979 Riverside Coachella Valley: Palm Springs, shopping center at SE corner Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR181163  Euphorbia ophthalmica R. E. Riefner Jr. 2005-8-7 05- 591 Riverside Sonoran (Colorado) Desert, Coachella Valley; Rancho Mirage, along Hwy 111 76 Comment
  UCR5988  Euphorbia palmeri Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, across the street from entrance to San Jacinto Wilderness State Park, on roadside, in Idyllwild. 1809 Comment
  RSA0047265  Euphorbia polycarpa J. Mark Porter, Lauren E. Machen 1997-2-15 11426 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA589758  Euphorbia polycarpa V. W. Steinmann, D. L. Banks 1996-4-20 845 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, just south of the summer cottage along the trail to the water treatment facility. 450 Comment
  UCR57985  Euphorbia polycarpa J. M. Stewart 1989-9-17 600 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  SEINET10739811  Euphorbia polycarpa David B. Dunn, Howard Brown 1947-1-12 Dunn 2838 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA432478A  Euphorbia polycarpa var. hirtella H. de Forest, Jack Rempel 1934-4-15 s.n. Riverside Jaquitz Canyon floor. 183 Comment
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Mar 15 2014
  RSA653712  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  JOTR35986  Euphorbia setiloba Harding, Mitzi, Mark Wheeler 2012-9-4 197 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  UCR58873  Euphorbia setiloba J. M. Stewart 1989-10-17 615 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  RSA343863  Euphorbia spathulata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  RSA701365  Euphorbia spathulata Steve Boyd, Aydee Virgen 2004-4-13 10892 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  POM128657  Fagonia laevis M. French Gilman 1927-5-22 s.n. Riverside Corn Springs, Chuckwalla Mts. Comment
  HSC47598  Fagonia pachyacantha R. W. Spjut 1978-5-10 5033 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  JEPS121573  Fagonia pachyacantha Adam C. Schneider with Will Freyman 2014-2-16 387 Riverside Box Canyon Road. Comment
  JOTR31929  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2169 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UC667337  Fagonia pachyacantha Annie M. Alexander and Louise Kellogg 1941-5-25 2233 Riverside e of Mecca (Box Canyon); Colorado Desert 243 Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC56787  Ferocactus cylindraceus Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR201876  Festuca arundinacea Justin M. Wood 2008-9-22 158 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  SBBG44984  Festuca myuros var. hirsuta V. Duran 1932-5-18 3219 Riverside Idyllwild Comment
  SEINET8043951 Image available Ficus carica A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41553 Riverside Peninsular Range: Eeastern Foot of the Santa Ana Mtns: Temescal Valley jsut 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
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 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
  RSA660538  Filago gallica Orlando Mistretta 1992-6-10 520 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
  UCR116000  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  SD173101  Forestiera neomexicana Juergen Schrenk 2005-4-2 17 Riverside Northern Anza Borrego Desert, White Wash Comment
  SD148113  Forestiera pubescens A. C. Sanders, Mark Elvin and M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  SD216506  Forestiera pubescens Jay B. Walker 1995-4-4 1310 Riverside San Bernardino National Forest; Santa Rosa Mountain truck trail, 4 kilometers south of highway 74 1600 Comment
  RSA799921  Fouquieria splendens Justin M. Wood, D. M. Ray 2011-4-28 3832 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  SFV17336  Fouquieria splendens subsp. splendens J. D. Dilley, J. N. Hogue (108.19) 1998-4-23 275 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC19171  Fouquieria splendens subsp. splendens H. M. Hall 1902-4-11 2789 Riverside Coyote Canyon Colorado Desert (w borders of Colorado) 152 Comment
  SD229245  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-6-27 742 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR266487  Frankenia salina Mitch Provance, Matt Amalong 2015-3-25 315- 32 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR272492  Frankenia salina Mitch Provance 2013-6-16 613- 21 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  CAS-BOT-BC211016  Fraxinus velutina Winfield 1975-4-17 2399 Riverside West end Fairmont Park - Riverside Comment
  RSA342548  Fraxinus velutina var. coriacea Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54097 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA263771  Fritillaria biflora E. W. Lathrop 1971-3-24 7460 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR81996  Fumaria officinalis Steve Morgan 1994-3-25 94- 2 Riverside UCR Botanic Garden Comment
  UCD121392  Funastrum cynanchoides var. cynanchoides Scott D. White; Michael Honer 2004-4-6 10061 Riverside Perris/Elsinore Basins: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  HSC99155  Funastrum cynanchoides var. hartwegii Paul J. CaraDonna 2009-3-15 120 Riverside Cholla Gardens, Joshua Tree National Park Comment
  UCR260957  Funastrum cynanchoides var. hartwegii Duncan S. Bell 2013-1-30 4442 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  JOTR34258  Funastrum hirtellum La Doux, Tasha, M. Harding 2010-4-7 2923 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UCR241528  Funastrum hirtellum A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40635 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA144223  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  SEINET1909898  Galium aparine T. B. Salvato, John F. Green 2004-1 555 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  RSA701505  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1297 Riverside Along Chimeny Flats Road (5S06) near intersection with Red Hill Road (5S10), on the way to Alvin Meadows. 1463 Comment
  UC144128 Image available Galium jepsonii Charlotte M. Wilder 1909-8-3 1113 Riverside Whitewater Basin; ; Riverside Co. Comment
  CAS-BOT-BC217620  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 a Riverside North slope of Eagle Mountains 1066 Comment
  UC889025  Galium stellatum var. eremicum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  POM173085  Gamochaeta pensylvanica M. French Gilman 1930-10 4 Riverside Banning Comment
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Mar 13 2011
  RSA653230  Gamochaeta pensylvanica A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23324 Riverside Coachella Valley: along Dillon Rd. at junction with Tyler, north of I-10, E of Indio and N of Coachella. 5 Comment
  CAS-BOT-BC178389  Garrya flavescens Carl B. Wolf 1939-1-20 9485 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  POM265812  Gayophytum diffusum subsp. parviflorum J. C. Roos 1937-8-18 2529 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  POM355341  Gayophytum diffusum subsp. parviflorum M. B. Dunkle 1933-7-19 3676 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  UCR151422  Gazania linearis D. L. Banks, V. W. Steinmann 1997-3-13 1431 Riverside NW Palomar Mountains, Agua Tibia Mountains, In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway) 378 Comment
  CDA5433  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  SBBG60584  Geraea canescens Mrs. Ashcraft -- Riverside Palm Springs Comment
  SEINET8753916 Image available Geraea canescens Norman C. Cooper 1944-1 2633 Riverside Palm Springs 137 Comment
  UCR108492  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16122 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR241231  Gilia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 14 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA705182  Gilia angelensis J. Mark Porter, Sarah J. De Groot 2005-3-9 14257 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  RSA735091  Gilia angelensis Rosemarie Zimmermann 1963-5-5 288 Riverside Ramona Bowl, picnic area S. of Hemet, E of State Hwy 79 701 Comment
  UC1178638  Gilia angelensis Peter Kamb 1948-5-2 929 Riverside above Banning (n slope of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UCR180589  Gilia angelensis Scott D. White, Angelia Carey 2004-4-5 9989 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR274294  Gilia angelensis T. B. Salvato, Gregg Miller 2005-6-7 1444 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR86886  Gilia angelensis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16283 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
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  POM122410  Gilia capitata subsp. abrotanifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UC68760  Gilia latifolia H. M. Hall Apr., 1905 5850 Riverside Dos Palmas , Dos Palmas (Colorado Desert) 30 Comment
  RSA0096811  Gilia ochroleuca subsp. exilis Duncan S. Bell, Andrew Chambers 2015-3-12 7787 Riverside San Gorgonio Wilderness area; Whitewater River; about 1.5 air miles northwest of Red Dome. 917 Comment
  RSA0016292  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona. Comment
  POM8527  Gilia stellata Mary F. Spencer 1920-4-5 64 Riverside Palm Springs, Colorado Desert. 122 Comment
  UCR147634  Gilia stellata David Charlton 1988-2-25 1232 Riverside Sonoran (Colorado) Desert, 5 miles east of junction of Dillon Rd. and Fargo Canyon Rd., parallel to I-10, south side of Little San Bernardino Mtns. and south of Joshua Tree National Park 305 Comment
  CLARK-A1528-2365  Githopsis specularioides John C. Roos 1950-4-22 4750 Riverside Reche Canyon 822 Comment
  SD146272  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23678 Riverside Southwest side of Mt. Rubidoux, northwest of intersecdtion of Tequesquite Ave. and Gregory Rd., nbear confluence of Arroyo Tequesquite and the river. 231 Comment
  RSA708178  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC1979606  Gnaphalium luteoalbum D. L Banks, Steve Boyd 1995-5-17 0463 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  UCR91618  Gnaphalium luteoalbum D. L. Banks, Steve Boyd 1995-3-30 0123 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  UCR174347  Gnaphalium palustre A. C. Sanders 2006-5-19 32402 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
  UCR24885  Gnaphalium palustre A. C. Sanders 1980-7-22 1737 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR75535  Gnaphalium palustre A. C. Sanders 1993-5-12 14011 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
  RSA752221  Grayia spinosa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12584 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  POM118627  Guillenia lasiophylla Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA703735  Guillenia lasiophylla LeRoy Gross 2005-3-3 1569 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  CDA6150  Gutierrezia californica T. C. Fuller 1961-10-18 7160 Riverside Green River Station, Highway 91, 0.5 mile west of Prado Dam Road. 0 Comment
  RSA678115  Gutierrezia californica Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1061 -b Riverside Bautista Canyon, Bautista Canyon Road. 915 Comment
  UCR235216  Gutierrezia californica A. C. Sanders, John F. Green 2012-6-1 40242 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  UCR261141  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41736 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 400 Comment
  UC1118607  Gutierrezia sarothrae H. S. Yates 1937-6-27 6703 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  UCR182439  Gutierrezia sarothrae Mitch Provance 2003-5-5 4425 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 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
  UCR49373  Harpagonella palmeri Steve Boyd 1986-3-9 1396 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  RSA595918  Helianthus annuus D. L. Banks, Lauren Raz 1996-11-5 1177 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
  UC32326  Helianthus niveus subsp. tephrodes W. G. Wright c. 1889 1750 Riverside Colorado Desert Comment
  UCD132927  Helianthus petiolaris K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UCR139987  Heliotropium curassavicum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA180421  Heliotropium curassavicum var. oculatum E. W. Lathrop 1959-9-11 4650 b Riverside 14 miles W of Murrieta Comment
  RSA544427  Heliotropium curassavicum var. oculatum Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6332 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UCR180106  Hemizonia fasciculata Mitch Provance 2003-4-26 9892 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA675707  Hemizonia kelloggii Scott D. White 2000-10-24 8143 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 610 Comment
  RSA714435  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR176887  Hemizonia kelloggii Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  RSA740627  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-8 12382 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR132838  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22275 Riverside San Jacinto Mtns., along entrance road to McCall Memorial Park, c. 0.5 mi. west of Mountain Center 1355 Comment
  RSA735851  Hemizonia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-4-15 11874 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR166800  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2004-8-27 04- 397 Riverside N of La Sierra Heights; NE (c. 1 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 207 Comment
  UCR213882  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  UCR213883  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  CLARK-A1656-674  Hesperocallis undulata Lois Ann Scott 1978-4-8 Riverside Chuckwalla Valley 304 Comment
  RSA612504  Hesperocnide tenella D. L. Banks 1997-2-17 1269 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mountain at the south end of Los Caballos Road, the University of California-Emerson Oaks Reserve. The western most portion of the Preserve, south of a large, privately owned citrus grove. 445 Comment
  CAS-BOT-BC434234  Hesperoyucca whipplei Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 41 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Hathaway Canyon. 884 Comment
  SEINET3412080 Image available Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28525 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  SD136868  Heterocodon rariflorum Steve Boyd, Tim Ross & Dave Bramlet 1993-5-13 7380 B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Wildhorse Canyon. 409 Comment
  HSC83025  Heterotheca grandiflora S. Cantrell, Walter Appleby 1985-9-19 Riverside Santa Ana River Regional Park. S side of the river. 207 Comment
  RSA0075890  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  SD5295  Heterotheca sessiliflora var. sanjacintensis F. Youngbery 1933-8-28 Riverside Idyllwild, San Jacinto Mts. Comment
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Mar 10 2014
  CAS-BOT-BC203346  Hibiscus denudatus A. Davidson 1893-1-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CSUSB1457  Hibiscus denudatus Mike Meloy 1964-4-16 Riverside In San Felipe Creek wash, near Highway 78, 10 miles east of Borrego. Comment
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Jun 8 2013
  UCR72176  Hibiscus denudatus Theo Glenn 1991-5-15 91- 38 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  HSC27201  Hilaria rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument. Comment
  CAS-BOT-BC55305  Hirschfeldia incana Scott D. White 1996-4-14 3906 Riverside Perris Basin. East of Hemet. San Jacinto River Wash near Valle Vista, north of Highway 74. 550 Comment
  SBBG3333  Hoffmannseggia glauca H. and M. Dearing 1938-3-5 1961 Riverside between Blythe and Desert Center Comment
  CAS-BOT-BC206378  Hoffmannseggia microphylla S. B. Parish; W. F. Parish 1884-4-1 591 Riverside Agua Caliente Comment
  SD216481  Hoffmannseggia microphylla Carol R. Annable 1995-3-10 2260 Riverside 1.6 kilometers south of Lake Cahuilla County Park. Comment
  SJSU5169  Hoffmannseggia microphylla L. M. Stotelmyre 1970-3-25 70 Riverside 8 km E of Indio Comment
  HSC82999  Hoita macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village 488 Comment
  SD262166  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 19 Riverside Elsinore Trought: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCD85629  Hordeum depressum A. C. Sanders; D. Malueg 2001-5-17 24358 Riverside Perris-Aguanga Basin Region. Gasline right of way across Pinto and Hoopes Ranches, E of Briggs Rd. at and near Warm Springs Creek, S of Scott Rd. 414 Comment
  RSA563904  Hordeum intercedens A. C. Sanders 1993-4-5 13686 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  POM220885  Hordeum marinum subsp. gussoneanum P. A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  RSA747514  Hordeum murinum Justin M. Wood 2009-3-10 348 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  UCR176900  Hordeum murinum subsp. leporinum Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  RSA6010  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  SD2234  Horkelia clevelandii var. clevelandii Florence Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mts. Comment
  JEPS68628  Horsfordia alata Marjorie D. Clary 1930-4-26 Riverside Coachella Coachella Valley Comment
  POM230992  Horsfordia alata Marjorie D. Clary 1932-12-11 2566 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains 152 Comment
  RSA102349  Hulsea vestita subsp. callicarpha S. B. Parish, W. F. Parish 1880-07 531 Riverside San Jacinto Mt. Comment
  RSA305663  Hulsea vestita subsp. callicarpha C. W. Tilforth, Walter Wisura 1979-1 1922 Riverside Along Thomas Mts. Rd., 10.4 miles from N jct. with Hwy 74, S of Lake Hemet. Comment
  RSA740083  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR186852  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah M. Siedschlag 2006-5-22 1681 Riverside San Jacinto Mountains, On road that leads to Duchess Canyon, east of Fobes Ranch 1677 Comment
  UC1181321  Hydrocotyle ranunculoides Peter H. Raven 1959-5-17 14232 Riverside San Jacinto Mts., Lake Fulmor Comment
  UCR55323  Hydrocotyle ranunculoides L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  UCR91916A  Hydrocotyle umbellata A. C. Sanders, S. Hawkins 1996-4-24 18089 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA650974  Hymenoclea salsola Marion P. Harthill 1971-3-19 3 Riverside Palm Desert. Comment
  SEINET238558  Hymenopappus filifolius var. lugens George K. Helmkamp 1998-6-27 4122 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  SEINET269589  Hypochaeris glabra Scott White 1994-6-23 2092 Riverside San Gertudis Creek ca. 1 mi. E. of Skink Hollow. (Batchelor Mountian Quad.) 396 Comment
  UCR21913  Hypochaeris glabra Steve Boyd 1980-5-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA20010  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  SD187429  Hyptis emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1382 Riverside Colorado Desert; Northeastern Colorado Desert region: just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  UC449964  Hyptis emoryi F. M. Reed 1917-5-19 3868 Riverside Palm Canyon; Riverside and Vicinity, Palm Canyon Comment
  UCD124919  Hyptis emoryi Geoffrey Levin 1975-4-5 469 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. 60 Comment
  UCLA61587  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  RSA0056404  Hyptis emoryi James R. Shevock 1970-12-12 557 Riverside Box Canyon, Hwy. 195. 219 Comment
  UCR114328  Ipomoea hirsutula Mitch Provance 1998-9-28 1158 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  RSA775089  Isocoma acradenia var. eremophila Duncan S. Bell, Amber Swanson 2011-2-18 2041 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
  UC53957  Isocoma acradenia var. eremophila J. Vandeventer 1903-1-1 11 Riverside San Jacinto Mts. Comment
  RSA545385  Isoetes howellii Robert F. Thorne 1975-5-20 45542 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  SEINET8727088 Image available Isomeris arborea Lewis S. Rose 1938-1 38323 Riverside Palm Springs. 137 Comment
  RSA588166  Jepsonia parryi D. L. Banks, Steve Boyd 1995-10-17 0800 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR84606  Juglans californica Scott D. White, S. Ogg 1994-4-21 1947 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  IRVC28523  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. San Bernardino Mtns. 793 Comment
  RSA612965  Juncus Darin L. Banks 1997-3-29 1634 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  CLARK-A1528-5054  Juncus acutus var. sphaerocarpus John C. Roos 1948-5-15 3855 Riverside Eagle Mountains Comment
  UCR199637  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR272134  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  RSA562485  Juncus mexicanus Steve Boyd, Timothy S. Ross 1992-5-5 7251 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  JEPS67059  Juncus oxymeris Carl V. Meyer 1928-7-30 583 Riverside Saunder's Meadow San Jacinto Mts. Comment
  RSA368338  Juncus rugulosus L. C. Wheeler 1933-12-2 2322 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  POM14114  Juncus saximontanus Phillip A. Munz 1922-6-30 5902 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  SD86554  Juncus textilis Ken Hedges 1972-10-17 Riverside In marshy area, Cahuilla Valley, south of Anza. Comment
  SD136978  Juncus tiehmii Steve Boyd, Tim Ross 1992-5-15 7390 Riverside Southern Santa Ana Mts,San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. Local about vernally active seepage in shallow draw in burned chaparral. 671 Comment
  SEINET3112188  Juncus torreyi Faulkner 1978-4-27 480 Riverside 3 mi E of Blythe. 137 Comment
  CAS-BOT-BC85412  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  JEPS48331  Juniperus californica W. L. Jepson 1901-5-22 1412 Riverside Palm Canyon Mt. San Jacinto, Palm Canyon Comment
  JOTR30977  Juniperus californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1948 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  CAS-BOT-BC234581  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs 138 Comment
  VVC1722  Justicia californica Jim Andre, T. La 2009-3-10 11245 Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  CLARK-A1528-4430  Kallstroemia californica John C. Roos 1963-10-24 Riverside Hayfield Comment
  UC1792808  Kallstroemia californica B. G. Pitzer with G. R. Ballmer 2000-10-14 4218 Riverside Sonoran (Colorado) Desert: south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, ca. 22 miles west of Blythe 114 Comment
  POM4275  Keckiella antirrhinoides Philip A. Munz 1918-4-27 2139 Riverside Temescal Canyon. Comment
  SFV16370  Keckiella antirrhinoides n. s. 1992-5-16 Riverside Lake Matthews. Comment
  NY786516  Keckiella antirrhinoides var. antirrhinoides G. H. True Jr. 1935-3-13 97 Riverside Mockingbird Canyon 457.2 Comment
  POM17864  Keckiella cordifolia Philip A. Munz 1923-6-14 7100 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  SBBG66592  Keckiella rothrockii R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2438 Comment
  POM11402  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-9-6 6400 Riverside Round Valley. 2744 Comment
  UCR227805  Keckiella ternata Duncan S. Bell, Joy England 2010-6-7 1267 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 780 Comment
  RSA0019429  Keckiella ternata subsp. ternata Philip A. Munz 1922-6-27 5852 Riverside Santa Rosa Mountains. 2012 Comment
  GMDRC6555  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 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
  UCR132896  Kochia scoparia Gevin Kenney 1997-8-29 s.n. Riverside San Jacinto Valley, 0.5 mi. SW of Gilman Springs Rd. off Bridge St. 436 Comment
  RSA783584  Koeberlinia spinosa var. tenuispina Michael Wall, Valentin Arvizu 2011-5-24 603 Riverside 6.5 miles north of Desert Center, off Kaiser Rd. ca. 100 meters to the northeast off a small dirt rd. in a shallow wash area near two paloverde trees. 201 Comment
  POM19851  Koeleria macrantha Mary F. Spencer 1923-6-29 2255 Riverside Idyllwild 1646 Comment
  RSA740082  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside Meadow at Quinn Flat. 1378 Comment
  SD128679  Krameria bicolor Darley F. Howe 1980-4-15 Riverside 5 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  RSA457794  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA408605  Krameria grayi Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UC61699  Krameria grayi L. D. Copeland Apr. 1904 2 Riverside West Canyon Palm Springs (Palm Springs); , West Canyon Comment
  UCR22000  Lactuca serriola Steve Boyd 1980-7-12 336 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET10759239  Lactuca serriola David B. Dunn, A. Folsom 1948-6-17 Dunn 3796 Riverside At quad 1. At camp in Pushawalla Canyon under palms. Indio Hills, Colorado Desert. Comment
  RSA68307  Lagophylla ramosissima G. R. Campbell 1951-5-30 16108 Riverside 9 miles west of Anza. 1067 Comment
  UCD63325  Lamarckia aurea H. M. Reed 1914-4-23 Riverside Box Springs Mts., arroyo to w., near Sanitarium. Comment
  RSA179516  Lamarckia aurea E. W. Lathrop 1964-5-10 5364 Riverside 10 miles west of Murrieta. 610 Comment
  JOTR29391  Larrea tridentata La Doux, Tasha, Mike Bell 2006-5-10 1468 Riverside Joshua Tree National Park. East Deception Canyon Comment
  POM49025  Larrea tridentata Stephen Grout, Stephen Grout 1902-05 s.n. Riverside Hemet Comment
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Apr 21 2009
  RSA652051  Larrea tridentata Marion P. Harthill 1973-2-17 1557 Riverside Snow Creek, Palm Springs 366 Comment
  UCSB3567  Larrea tridentata Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99, Western edge of Colorado Desert Comment
  POM6606  Lasthenia coronaria P. A. Munz, L. T. Street, Williams 1919-3-28 2368 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  UCR214571  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37852 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
  UCR189563  Lasthenia glabrata subsp. coulteri Diane Menuz 2006-5-9 078 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  SEINET5327339  Lathyrus sulphureus N. D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mts., 4.8 mi. S. of Lake Elsinore, along Hwy 74 813 Comment
  SD8723  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  SDSU12885  Lathyrus vestitus var. alefeldii J. Jill Steinberg with Janet Knotts 1998-4-22 48 Riverside On south side of foot trail, approximately 60 feet east of stream at top of gully, about 1/2 mile northwest of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 354 Comment
  UCR34929  Layia glandulosa L. B. Ziegler 1972-5-4 452 Riverside San Jacinto Mtns, Hemet (Garner) Valley area in Apple Canyon (east of Hemet Lake). 1433 Comment
  CAS-BOT-BC379673  Layia platyglossa H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mountains, Southern California; Johnsons 1676 Comment
  SBBG93122  Layia platyglossa D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 Comment
  SEINET7063418  Layia platyglossa A. G. Vestal 1947-3-29 s.n. Riverside About 6.4 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481530mE, 3727251mN. (WGS84/NAD83). 434 Comment
  UCR228249  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-4-1 38933 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR87641  Layia platyglossa A. C. Sanders 1994-5-29 14557 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCR96874  Layia platyglossa Scott D. White 1993-4-30 1309 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA0045153  Layia platyglossa Andrew Haimov, April Sleigh 1992-4-14 75 Riverside 25 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road, north of Jacinto River. Comment
  RSA524409  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4100 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA748054  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA554006  Leersia oryzoides J. C. Roos 1965-11-4 s.n. Riverside Fairmont Park, Riverside Comment
  SD6338  Lemna Unknown 1881-5-13 Riverside Temecula. Comment
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Mar 27 2011
  UCR271692  Lemna Mitch Provance 2011-7-4 17175 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR121787  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24044 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  CAS-BOT-BC89431  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash. Comment
  RSA796502  Lepidium fremontii J. Andre 2012-3-19 21394 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  RSA0038387  Lepidium fremontii A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mts. 640 Comment
  RSA4969  Lepidium lasiocarpum C. B. Wolf 1932-4-27 3029 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 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
  UCR116598  Lepidium lasiocarpum A. C. Sanders 2001-4-8 23988 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  RSA601927  Lepidium latipes var. latipes D. Bramlet 1997-3-13 2503 Riverside Nichols Road Wetlands. The site is located approx. 186 m southeast of Nichols Road, 91 m west of Collier Ave, and 196 m west of the I-15. 381 Comment
  UCR111562  Lepidium nitidum Mitch Provance 1998-5-4 1711 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCD115887  Lepidium virginicum subsp. menziesii T. B. Salvato; Kent Beaman 2005-5-16 775 Riverside San Jacinto Mtn: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  RSA653419  Lepidium virginicum var. pubescens Scott D. White 1999-5-24 7386 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SD181638  Lepidium virginicum var. pubescens Scott D. White, Bill La Haye 2000-5-27 7951 Riverside San Jacinto Mountains. Baldy Mountain area. 1616 Comment
  UCR21297  Lepidium virginicum var. pubescens A. C. Sanders, K. Berg 1980-5-1 1369 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  UCR181623  Lepidium virginicum var. robinsonii Mitch Provance 2004-4-18 7600 Riverside Granitic Knolls of Riverside, Riverside, Versity Hill (Coyote Hill), south side of the UCR campus 418 Comment
  UCR256747  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle 2013-4-15 7536 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 1.10 mi northeast of the junction of Lake Street and Hwy I-15 567 Comment
  CAS-BOT-BC328098  Lepidospartum squamatum W R O no date on sheet 0056 Riverside Bixby Canyon, Temescal Ranch, Temescal Valley Comment
  CAS-BOT-BC328100  Lepidospartum squamatum Marian L. Campbell 1921-3-20 28 Riverside Palm Springs Comment
  JEPS5749  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  RSA545232  Lepidospartum squamatum R. F. Thorne 1970-10 41882 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCR21995  Lepidospartum squamatum Steve Boyd 1980-7-12 334 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR82897  Lepidospartum squamatum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15806 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CLARK-A1656-842  Leptochloa uninervia Jon Mark Stewart 1983-11-6 Riverside Palm Desert 60 Comment
  SD137678  Leptosiphon parviflorus Darin L. Banks, Steve Boyd 1995-5-3 192 Riverside Agua Tibia wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC339368  Lessingia glandulifera var. glandulifera H. M. Hall 1901-8-1 2626 Riverside San Jacinto Mountains. Strawberry Valley 1615 Comment
  SEINET244827  Leymus triticoides A. C. Sanders 2001-5-7 24171 Riverside perris-aguana Basin region: S of helmet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 503 Comment
  UCR121237  Linanthus ciliatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2295 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA771116  Linanthus dianthiflorus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4923 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  SEINET3087902 Image available Linanthus dianthiflorus A. C. Sanders, J. Dice, Rose Woodard, D. Woodard 1995-3-29 16241 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. Comment
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Dec 31 2017
  UCR277166  Linanthus dianthiflorus Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  UCR24238  Linanthus floribundus John C. Roos 1962-5-19 s.n. Riverside Peninsular Range, Santa Ana Mtns., Strawberry [=Santiago? Sugarloaf?] Peak [on the Orange county line] Comment
  RSA369630  Linanthus jonesii R. F. Thorne, M. Z. Thorne 1973-3-30 42680 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  OBI38922  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mountains, was below the spring and wash and rocky slopes to the south. Comment
  UC472899  Linanthus lemmonii P. C. Standley 1921-6-16 Riverside Idyllwild San Jacinto Mt. Comment
  UCR108862  Linanthus lemmonii Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR18025  Linanthus lemmonii A. C. Sanders 1976-4-20 534 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UC1608254  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Creek, from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  RSA468524  Linanthus pungens Anstruther Davidson 1896-07 s.n. Riverside San Jacinto Mtns. Comment
  POM259191  Linanthus pungens subsp. hallii P. A. Munz 1938-8-13 15330 Riverside Rocky crest of ridge near Santa Rosa Peak. 2378 Comment
  UCR48508  Linanthus pygmaeus Steve Boyd 1986-4-13 1688 Riverside Gavilan Hills, Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  UCR90409  Linanthus pygmaeus subsp. continentalis D. L. Banks, Steve Boyd 1995-5-9 406 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  UCR133690  Linaria canadensis 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
  UCR137500  Linaria canadensis D. L. Banks, V. W. Steinmann 1997-3-13 1525 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR35319  Linum lewisii L. B. Ziegler 1967-5-30 135 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley). 1372 Comment
  RSA34591  Linum usitatissimum N. C. Cooper 1944-5-6 1207 Riverside Whitewater Canyon. 457 Comment
  UCR86645  Loeflingia squarrosa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16270 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
  RSA644007  Loeflingia squarrosa var. squarrosa V. W. Steinmann, M. T. Wedlake 1995-4-8 657 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  JOTR33965  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2851 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA796503  Loeseliastrum matthewsii J. Andre 2012-3-19 21359 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  UCSB5121  Loeseliastrum matthewsii Broder, Richard 1958-03 Riverside 16.5 miles west of Desert Center on US 60-70 Comment
  JOTR32128  Loeseliastrum schottii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2284 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA77060  Loeseliastrum schottii F. W. Peirson 1926-2-22 6506 Riverside Thousand-Palms Canyon. 152 Comment
  SD258482  Loeseliastrum schottii J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-1 24396 Riverside West Riverside Mountains at base of NW corner of range where sand ramps run up against granitic bouldery slopes, ca. 10 miles SW of Vidal Jct, 3.0 mile south of Grommet RR xing at Highway 62. 363 Comment
  UCR59770  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3043 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  SD185138  Logfia depressa A. C. Sanders, P. J. MacKay, et al. 1997-2-8 19675 Riverside Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon. 188 Comment
  CAS-BOT-BC342257  Logfia filaginoides F. W. Peirson 1921-3-22 5277 Riverside Murray Canyon near Palm Springs 487 Comment
  RSA736304  Lolium rigidum Scott D. White, Justin M. Wood 2008-5-13 11951 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  POM356978  Lolium temulentum N. C. Cooper 1944-5-6 1171 Riverside Banning. 701 Comment
  UCR150975  Lomatium lucidum D. L. Banks 1997-2-23 1315 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  UCR768  Lomatium utriculatum Robert A. Hawthorne 1957-3-27 s.n. Riverside San Bernardino Valley Region, Riverside, Citrus Experiment Station [now UCR], dry wash behind horse barn 275 Comment
  RSA212934  Lomatium vaginatum L. B. Ziegler 1969-5-7 s.n. Riverside meadowy area in Hemet Vally near Kentworthy Ranger Station, San Jacinto Mts. 1448 Comment
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Dec 8 2013
  CLARK-A1528-2408  Lonicera subspicata var. johnstonii John C. Roos 1952-7-16 5813 Riverside 487 Comment
  SEINET10543638  Lotus David B. Dunn 1946-8-17 Dunn 2731 Riverside Round meadow hillside among lodge pole pines. San jacinto mts. Comment
  CSUSB1266  Lotus argophyllus Grace Sprague 1968-5-3 Riverside Whitewater Canyon wash, on drier shelf of wash Comment
  SEINET272332  Lotus argophyllus A. C. Sanders, O. F. Clarke; H. Forster 1997-3-2 19765 Riverside Box Springs Mtns.: E side of the range in Pigeon Pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  RSA18956  Lotus argophyllus var. argophyllus Roxana S. Ferris, Ruth P. Rossbach 1938-5-19 9656 Riverside Lower edge of Pinon (Pinyon?) Belt desert side of divide Comment
  UC864263  Lotus argophyllus var. argophyllus I. W. Clokey and E. G. Anderson 1935-8-21 6719 Riverside e of Keen Camp P.O. (s Riverside Co.) 1350 Comment
  UC864765  Lotus argophyllus var. argophyllus C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4638 Riverside Perris-Gavilan Peak 600 Comment
  RSA784831  Lotus crassifolius J. D. Olmsted 1958-6-15 170 Riverside M. fk. San Jacinto River: 1 mi above intersection of Beartrap Canyon with Strawberry Creek by Idyllwild School of Music and the Arts. 1616 Comment
  UCR228819  Lotus hamatus A. C. Sanders 2011-4-26 39330 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  UCR111563  Lotus heermannii Mitch Provance 1999-5-4 1698 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM19606  Lotus nevadensis var. nevadensis Mary F. Spencer 1923-6-28 2192 Riverside Fern Valley, San Jacinto Mountains 1646 Comment
  UCR208343  Lotus purshianus O. F. Clarke 2004-5-9 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along vernal pool trail 625 Comment
  UCR274305  Lotus purshianus T. B. Salvato, Melissa Clemons 2005-6-6 1425 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
  JOTR31772  Lotus salsuginosus var. brevivexillus Andre, Jim, Tasha La Doux 2009-3-10 11239 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
  UCR44444  Lotus salsuginosus var. salsuginosus A. C. Sanders, B. Pitzer 1986-4-30 6483 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  SEINET2062425 Image available Lotus scoparius Unknownnown 1947-4-20 7634 Riverside Gentry Farm, 3 mi NE of Murrieta 396 Comment
  RSA770427  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4875 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR158139  Lotus scoparius subsp. brevialatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30092 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
  UCR275359  Lotus scoparius var. brevialatus T. B. Salvato, Melissa Clemons 2005-6-9 1502 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA543189  Lotus scoparius var. scoparius Steve Boyd 1991-5-2 6109 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
  RSA503427  Lotus strigosus J. D. Olmsted 1962-5-10 3664 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UC1286987  Lotus strigosus C. L. Hitchcock 1966-3-20 24316 Riverside 5 mi n Milpitas Wash (and 12 nw of Blythe-Glamis road) Comment
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Mar 2 2013
  UCR120648  Lotus strigosus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1793 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR207315  Lotus strigosus O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  RSA23217  Lupinus arizonicus Ernest Braunton 1940-4-3 2009 Riverside 25 miles Northeast of Indio. Comment
  RSA33513  Lupinus arizonicus N. C. Cooper 1944-4-8 1078 Riverside Andreas Canyon. 305 Comment
  RSA792482  Lupinus arizonicus Justin M. Wood, Dustin Ray 2011-4-28 3844 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UCR230917  Lupinus arizonicus T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 052 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
  RSA691056  Lupinus bicolor Scott D. White, Michael Honer 2003-4-9 8989 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
  UC1952557  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. Comment
  UC668423  Lupinus bicolor Annie M. Alexander and Louise Kellogg 1941-4-24 2079 Riverside gorge Dry Morongo Creek (Morongo Valley); , gorge of Dry Morongo Creek 640 Comment
  UCR86875  Lupinus bicolor A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16250 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
  RSA414457  Lupinus brevior Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SBBG47454  Lupinus concinnus N. C. Cooper 1944-4-22 1159 Riverside Banning 731 Comment
  UCR87659  Lupinus concinnus A. C. Sanders 1994-5-29 14565 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 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
  RSA613400  Lupinus concinnus subsp. concinnus D. L. Banks 1997-4-5 1691 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
  SEINET10870983  Lupinus densiflorus var. austrocollium Robert F. Thorne 1968-5-8 Thorne 37598 Riverside Santa rosa plateau: grassy bank along small stream near roadside, rancho California; with cirsium drummondii, astragalus pomoninsis, etc. 610 Comment
  UCR23946  Lupinus formosus var. hyacinthinus John C. Roos 1937-8-18 1222 Riverside San Jacinto Mtns, Round Valley 2805 Comment
  RSA719792  Lupinus hyacinthinus Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1738 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SEINET10485441  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2722 Riverside 1/4 mi. W of hidden lake. San jacinto mts. Comment
  SEINET10970268  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2742 Riverside San jacinto mts., 500 Ft below the peak. Comment
  UCR19790  Lupinus latifolius W. W. Mayhew 1977-6-28 s.n. Riverside San Jacinto Mtns., Alandale 1768 Comment
  JEPS65300  Lupinus latifolius var. parishii W. L. Jepson 1903-8-4 2280 Riverside Chalk Hill San Jacinto Mt. (south hillside, San Jacinto Mt.); San Jacinto Mt. Chalk Hill, South hillside 1493 Comment
  SD229159  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-6-27 737 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA501045  Lupinus sparsiflorus Steve D. Boyd 1989-4-1 3166 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA776231  Lupinus sparsiflorus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 873 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  SBBG98278  Lupinus sparsiflorus E. K. Balls 1949-4-2 12895 Riverside Hwy 111 between Mecca and Mortmar -60 Comment
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Jun 24 2012
  UCR87665  Lupinus sparsiflorus A. C. Sanders 1994-5-29 14562 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  UCSB39323  Lupinus sparsiflorus Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 130 Comment
  SEINET12154199  Lupinus sparsiflorus J. F. Bright, Wyman, C. 1933-1 8079 Riverside nr Radio Comment
  RSA86973  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1921-3-19 7717 Riverside Whitewater Grade about 2 miles east of Banning Comment
  RSA414266  Lupinus sparsiflorus var. mohavensis Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  RSA524442  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4058 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA414402  Lupinus truncatus N. C. Cooper 1946-4-5 2039 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA414403  Lupinus truncatus N. C. Cooper 1944-4-23 1095 Riverside Banning. 701 Comment
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Mar 13 2011
  RSA487545  Lupinus truncatus Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  POM12139  Luzula comosa Mary F. Spencer 1921-6-15 1278 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  CAS-BOT-BC231416  Lycium andersonii E. A. McGregor 1917-3-18 s.n. Riverside Colorado Desert. 7 mi up Painted Canion [Canyon] Comment
  RSA422105  Lycium andersonii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA770890  Lycium andersonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4593 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  UC1921997  Lythrum californicum Scott D. White, Angelia Carey 2004-5-7 10342 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
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Jul 25 2019
  RSA543955  Madia gracilis Steve Boyd, Orlando Mistretta 1991-5-9 6186 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBride Canyons 549 Comment
  RSA524471  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR16598  Malacothamnus densiflorus Dorothy Detrich 1966-5-16 s.n. Riverside Gavilan Hills, at turnoff to Maywood Rod and Gun Club [in Steele Valley] Comment
  RSA0087583  Malacothamnus fasciculatus Norman C. Cooper 1944-7-15 1591 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA752792  Malacothrix californica Scott D. White, Justin M. Wood 2009-5-21 12863 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  CAS-BOT-BC345464  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside Vicinity of Riverside 487 Comment
  UC75900  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside vicinity Riverside 487 Comment
  POM362321  Malacothrix glabrata Ora M. Clark 1929-2-24 1516 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA537693  Malacothrix glabrata Charles B. Fiker 1946-4-16 3415 Riverside West side of Colorado Desert Comment
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Mar 23 2014
  UC1922420  Malacothrix glabrata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCD80954  Malacothrix glabrata Chuck Hughes 2009-3-23 61 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR177858  Malacothrix glabrata Marisa Sripracha, K. A. Boyd 2004-3-21 040 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA0001410  Malacothrix saxatilis var. tenuifolia P. A. Munz 1923-6-14 7101 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  CAS-BOT-BC475160  Malosma laurina A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-19 41729 Riverside Temesal Canyon, hilltop above DePalma Rd., about midway between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  UC1130508  Malosma laurina A. Lewis Feb 1934 265 Riverside 3 mi. e. Auburndale; Corona Quad. 91 Comment
  CSUSB1015  Malva parviflora Leland R. Dykes 1962-4-22 46 Riverside Palomar Road at San Mateo Canyon turnoff, in Murrieta. Comment
  UC1922057  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR102818  Malva parviflora A. C. Sanders 1997-3-19 20061 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  SEINET10732075  Mammillaria microcarpa Betty Venrick 1962-1 Riverside Comment
  JEPS66862  Mammillaria tetrancistra W. L. Jepson 1912-10-29 5244 Riverside Riverside Mts. 91 Comment
  JOTR34027  Mammillaria tetrancistra La Doux, Tasha, M. Harding 2010-4-7 2914 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA586050B  Marah macrocarpa var. macrocarpa D. L. Banks, S. D. Boyd 1995-3-30 0131 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  RSA643196  Marina parryi James C. Dice, K. Nicol 1998-3-24 980324 1 B Riverside 9 miles (14.4km) N of Desert Center, along State Highway 177. 163 Comment
  RSA777763  Marina parryi Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1084 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UCR72224  Marina parryi Theo Glenn 1991-5-30 91- 118 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  RSA562439  Marrubium vulgare Steve Boyd, T. S. Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Verdugo Potero, near the Verdugo Trailhead. 732 Comment
  UC1537054  Matricaria discoidea Gordon H. True Jr. 1936-4-15 240 Riverside Mockingbird Canyon 365 Comment
  POM362447  Matricaria matricarioides N. C. Cooper 1944-4-22 1137 Riverside Banning 732 Comment
  RSA206501  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 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
  UCR102885  Medicago polymorpha A. C. Sanders 1997-3-26 20136 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR155827  Medicago polymorpha 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
  RSA335033  Medicago polymorpha Steve D. Boyd 1985-7-23 1008 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  RSA526164  Medicago polymorpha Steve Boyd, T. S. Ross 1990-5-11 4667 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CHSC98225  Melica frutescens R. E. Riefner Jr. 2006-7-29 06 -350 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW ca 0.75 mi from Leon Rd. UTM; 11S 0488764E 3736046N 579 Comment
  POM1219  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canon (West of Elsinore). 366 Comment
  CAS-BOT-BC281603  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 miles S of Corona on road to Elsinore Comment
  UCR101441  Melica imperfecta A. C. Sanders 1997-4-10 20323 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR121098  Melica imperfecta A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24981 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CSUSB1110  Melilotus indicus Randy Salstrom 1966-5-1 Riverside 10 yards west of north end of Blaine Street beside the Gage Canal in City of Riverside. 274 Comment
  UC63738  Mentha pulegium H. M. Hall Jul 1897 770 Riverside San Jacinto Mt. Comment
  UCR241513  Mentzelia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40643 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR67347  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4009 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  LA28887  Mentzelia affinis P. J. Remple; 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA748288  Mentzelia involucrata Justin M. Wood 2009-3-26 416 Riverside Coachella Valley: Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  UCSB8382  Mentzelia involucrata Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  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
  RSA446776  Mentzelia micrantha M. B. Dunkle 1934-6-18 3975 Riverside Upper San Juan Canyon. Comment
  UCR30091  Mentzelia obscura George K. Helmkamp 1983-4-5 483- 25 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR91562  Mentzelia obscura A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6074 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JEPS26732  Mentzelia puberula Marjorie D. Clary 1936-3-20 2620 Riverside Road from Desert Center Rice; North Colorado Desert, Coxcomb Mountain 304 Comment
  RSA387358  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  UCR189562  Microseris douglasii subsp. platycarpha Theresa Johnson 2006-5-2 069 Riverside Peninsular Range, Aguanga Basin, north shore Lake Skinner, c. 100m west of road at base of Bachelor Mountain 447 Comment
  UCR217522  Microseris douglasii subsp. platycarpha Rose Cook, Ana Hernandez 2010-4-15 02 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  UCR267163  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 15 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  UCR25777  Microseris lindleyi John C. Roos 1952-4-30 5610 Riverside Peninsular Range, hills between Camp Haan and Riverside 534 Comment
  UCR281579  Microseris lindleyi Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 117 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  JEPS87289  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-19 1071 Riverside 14 rd mi s Joshua Tree town (Hidden Valley Campground above campsite #5); Joshua Tree National Monument 1300 Comment
  RSA0030784  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-7-15 1554 Riverside Palms to Pine Hwy 1463 Comment
  UC943877  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  POM256706  Mimulus aurantiacus var. puniceus W. Pequegnat 1940-6-15 s.n. Riverside Bear Springs 1311 Comment
  RSA1323  Mimulus aurantiacus var. puniceus J. T. Howell 1928-7-9 1068 Riverside San Juan Canon Rd., Elsinore Mts. 610 Comment
  RSA92725  Mimulus aurantiacus var. puniceus J. C. Roos 1952-5-14 5665 Riverside 2 mi. northwest of Perris. 503 Comment
  SEINET3079984 Image available Mimulus bigelovii Barbara Gayle Pitzer 1998-1-24 3393 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
  SEINET7881834 Image available Mimulus bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Cyn Eagle Mts ca 2 mi from Shaver Summit 671 Comment
  JEPS8173  Mimulus bigelovii var. bigelovii Marjorie D. Clary 1932-3-27 1639 Riverside about 10 mi ne Indio; Colorado Desert, Indio Hills 182 Comment
  RSA683862  Mimulus brevipes Scott D. White, Michael Honer 2003-4-4 8949 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR154376  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-6-15 30953 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
  CAS-BOT-BC9460  Mimulus diffusus Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  CSUSB2021  Mimulus diffusus J. Bennett 1979-6-3 s.n. Riverside San Jacinto Mts., Pine Cove Comment
  UC26932  Mimulus fremontii var. fremontii H. M. Hall 1899-5-20 1134 Riverside Chalk Hill San Jacinto Mountains 1676 Comment
  UCR114313  Mimulus guttatus Mitch Provance 1998-3-21 275 Riverside Jurupa Hills, Sunnyslope, Ormand Quarry. 280 Comment
  UCR167822  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-2 1347 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR193119  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-6-20 35551 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UC27078  Mimulus palmeri Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  UCR12281  Mimulus pilosus Art Whistler 1966-5-30 s.n. Riverside Box Springs Mtns., 100 yds. below split of roads to radio station at bottom of slope near Pigeon Pass Road near UCR Campus Comment
  UCR72435  Mimulus pilosus Steve Morgan, H. M. Soldan 1992-5-25 92 3 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  RSA0093768  Mirabilis albida Duncan S. Bell 2015-9-30 8687 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA170155  Mirabilis albida L. B. Ziegler 1964-07 s.n. Riverside Garner Valley, San Jacinto Mts. NW of Kenworthy Ranger station. 1402 Comment
  UCR113591  Mirabilis californica A. C. Sanders 1998-1-15 21633 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  SEINET6627584  Mirabilis laevis Scott D. White 2001-4-3 8227 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 396 Comment
  UC1136596  Mirabilis laevis var. crassifolia R. St. John 1931-3-17 197 Riverside hill N of Corona 310 Comment
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Nov 27 2011
  UC1463090  Mirabilis laevis var. crassifolia Arthur S. Barclay and Juan Arguelles 1965-3-16 1838 Riverside Along State Highway 76, 2 miles W of junction with U.S. Highway 395 Comment
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Jun 15 2013
  RSA124431  Mirabilis laevis var. retrorsa Percy C. Everett, E. K. Balls 1958-5-4 23979 Riverside 2 miles N. along rd. to 29 Palms, from jct. with U.S. Hwy. 60/70. 457 Comment
  RSA676276  Mirabilis laevis var. villosa Scott D. White 2001-4-3 8227 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA0106701  Mohavea confertiflora Duncan S. Bell, Amanda Turek 2010-4-9 754 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  RSA136564  Mohavea confertiflora Peter H. Raven 1959-1-23 11432 Riverside Desert alluvial fan of Fargo Canyon. Comment
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Jun 9 2012
  UC1063092  Mohavea confertiflora H. S. Yates 1937-3-23 6429 Riverside Painted Canyon 121 Comment
  UC26850  Mohavea confertiflora W. G. Wright Riverside Colorado Desert Comment
  UCR75084  Mohavea confertiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12147 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR32601  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  JOTR34117  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UCR251724  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 58 Riverside Sonoran (Colorado) Desert, 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 I-10 exit ramp 334 Comment
  UCR59473  Mollugo verticillata Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  LA96069  Monardella linoides subsp. linoides Elizabeth McClintock; 1941-5-31 40 Riverside 1.5 to 2 mi from turn off to Anza Mounument, on rd to Coyote Canyon Comment
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  POM11507  Monardella nana P. A. Munz 1922-7-6 s.n. Riverside Between Tahquitz and Round Valley. 2287 Comment
  RSA750396  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 26 Riverside 1 mile above canyon and stream, on Santa Rosa Mt. road. Comment
  UCR114631  Monardella nana subsp. arida G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  RSA750280  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-29 81 Riverside Santa Rosa Peak 2454 Comment
  UCR215364  Monardella nana subsp. tenuiflora Fred M. Roberts 2006-6-21 6341 Riverside Peninsular Range; San Jacinto Mountains, Little Thomas Mountain; Thomas Mountain Road, 0.5 km west summit of peak 1866 Comment
  CLARK-A1528-5417  Monolepis nuttalliana John C. Roos 1952-5-21 5705 Riverside San Jacinto River 426 Comment
  SD255660  Monolopia lanceolata Cindy Daverin 2015-3-11 Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Road, 1.3 km WNW (288a^z) of Monument Peak (Lake Mathews 7.5'Q) 442 Comment
  OBI23671  Monoptilon bellioides David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12073 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  RSA0123369  Monoptilon bellioides Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9035 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR147839  Monoptilon bellioides Steve Boyd, Et al. 2004-5-14 11285 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  CAS-BOT-BC349792  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  CAS-BOT-BC349809  Monoptilon bellioides L. R. Abrams 1926-3-26 11031 Riverside Palm Springs Comment
  RSA673724  Montia fontana Scott D. White 2000-4-12 7647 Riverside Baldy Mtn. area. 1616 Comment
  UCR193361  Montia fontana A. C. Sanders, Tim Thomas 2008-6-20 35553 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR82767  Muhlenbergia californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15784 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  POM185023  Muhlenbergia microsperma Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  UCR174253  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2006-6-2 33070 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
  UCR83247  Muhlenbergia microsperma N. M. Fellows 1982-5-5 s.n. Riverside Hills south of UCR Campus Comment
  SBBG104097  Myosurus minimus A. C. Sanders 1993-4-5 13691 Riverside western edge of Hemet, along S side of Devonshire Ave between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (St Hwy 74) 460 Comment
  RSA67110  Myosurus minimus subsp. apus F. W. Peirson 1922-5-19 4171 Riverside Menifee Valley Comment
  UCR70518  Myosurus minimus subsp. apus D. E. Bramlet 1991-5-9 2139 Riverside 6.1 km west of Hemet and c. 260 m west of the intersection of Florida Ave. and Warren Rd 500 Comment
  SD105726  Myosurus minimus var. apus T. Cass 1979-6-1 Riverside Vernal pool, Mesa de Burro, Santa Rosa Plateau 680 Comment
  UCR20772  Nama demissa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1316 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  JOTR35300  Nama demissa var. demissa Andre, Jim 2012-4-11 20797 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  UC880829  Nama demissa var. demissa Lewis S. Rose 1937-4-9 37099 Riverside Palm Springs 137 Comment
  UCR94483  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  RSA757987  Nassella cernua Doug Goldman 2005-5-11 3289 Riverside Garner Valley, just north of the village of Thomas Mountain, about 0.1 miles northwest of Morris Ranch Road and about 0.2 miles northeast of Route 74. San Bernardino National Forest. 1378 Comment
  RSA619537  Nassella lepida D. L. Banks 1997-5-5 1986 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
  UC1537220  Nassella lepida Gordon H. True 1935-3-11 93 Riverside Mockingbird Canyon Comment
  RSA715050  Nassella pulchra A. C. Sanders, Guy Bruyea 2004-4-2 27436 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
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  UCR85584  Navarretia fossalis Julie A. Greene 1993-4-30 1246 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, east of Davis Road 433 Comment
  RSA356986  Navarretia prostrata R. F. Thorne 1973-5-23 43867 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  UCR279600  Nemacladus A. C. Sanders, Jim Malusa 2017-3-28 43137 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
  SEINET10464904  Nemacladus glanduliferus var. orientalis Raven 1958-5-5 Raven 12905 Riverside Salton View, Joshua Tree National Monument 1585 Comment
  RSA525253  Nemacladus longiflorus var. breviflorus Steve Boyd, Timothy S. Ross 1990-5-11 4631 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA0126425  Nemacladus longiflorus var. longiflorus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4516 -a Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR92485  Nemacladus orientalis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  JEPS5228  Nemacladus ramosissimus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 B Riverside San Jacinto River Comment
  RSA525252  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4630 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  CLARK-A1528-548  Nemophila menziesii 1937-6-17 Riverside Box Springs Mountains Comment
  CLARK-A1703-30  Nemophila menziesii Cameron Duncan 1966-3-9 Riverside Riverside 213 Comment
  POM126470  Nemophila menziesii F. M. Reed 1908-2-2 2021 Riverside Box Springs Mts. Foothills Comment
  RSA523372  Nemophila menziesii G. H. True 1935-2-22 11 Riverside Mockingbird Canyon. 457 Comment
  RSA523373  Nemophila menziesii G. H. True 1935-3-1 28 Riverside Box Springs. 366 Comment
  UCR163358  Nemophila menziesii O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR193524  Nemophila menziesii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35569 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
  CSUSB935  Nicotiana bigelovii Kenneth Hibberd 1966-4-10 660410 3 Riverside Arlington Ave., 1 mile east of Victoria St. in the city of Riverside. 304 Comment
  RSA180347  Nicotiana bigelovii var. wallacei E. W. Lathrop 1965-5-7 5712 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UCR107769  Nicotiana glauca D. L. Banks, E. H. Banks, Dawn Rodriguez, E. Rodriguez 1997-6-20 2168 Riverside NW Palomar Mtns., Agua Tibia Mountains, west of Vail Lake at the intersection of Pauba Road and Los Caballos Road 372 Comment
  RSA278981  Nicotiana obtusifolia Barry A. Prigge, L. Martinez 1978-3-23 2431 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCR132745  Nicotiana obtusifolia Scott D. White 1993-2-5 1044 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  SEINET3077948 Image available Nicotiana quadrivalvis Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murrieta. 366 Comment
  SD40821  Nolina bigelovii Carl B. Wolf 1932-10-13 Riverside Colorado desert; Eagle Mountains; 0.5 mile before Cottonwood Springs Comment
  RSA640759  Nolina parryi Russell S. Woglum 1937-5-22 539 Riverside Santa Rosa Mountains. Comment
  CLARK-A1528-3582  Notholaena newberryi John C. Roos 1937-5-2 1412 Riverside La Sierra Comment
  UC1483906  Nuttallanthus texanus C. W. Tilforth, W. Wisura 1979-4-11 1781 Riverside e of Temecula (in Long Canyon, Rancho California Road, sw Riverside County); Long Canyon, Rancho California Road Comment
  RSA0048795  Oenothera deltoides subsp. deltoides Jim Andre 2013-3-27 24807 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  RSA118388  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22961 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  SEINET10492350  Oenothera deltoides var. cineracea Billy Joe Cox 1975-4-23 Cox 4171 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols; 70 Comment
  SDSU13604  Olea europaea W. Miller, C. Mosse 1972-7-20 Riverside Along northern road, southwest of Shwanigan Ranch. Comment
  JEPS20749  Oligomeris linifolia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13242 Riverside Highway U.S. 95, 11.3 mi n Blythe (in wash arising in Big Maria Mts.); in wash arising in Big Maria Mts. Comment
  RSA0108823  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2009-3-30 180 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA175130  Oligomeris linifolia Robert F. Thorne 1963-3-29 32416 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  SBBG25820  Oligomeris linifolia E. R. Blakley 1966-4-9 6748 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  UC665851  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside 3.5 mi s Mortmar (beach along eastern margin of Salton Sea); along eastern margin of Salton Sea Comment
  UCR51934  Oligomeris linifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2128 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SBBG67466  Olneya tesota M. N. Ackley 1928-3-31 618 Riverside Hidden Spring Cyn 243 Comment
  CAS-BOT-BC248281  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-4-4 38975 Riverside Peninsular Range: Lake Elsinore, Hwy 74 (Riverside Dr.) at Baker St. 382 Comment
  CDA7542  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region; Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 Comment
  UCR163146  Oncosiphon piluliferum A. C. Sanders 2005-3-22 29245 Riverside Riverside, 3rd St. near Gage Canal and railroad 268 Comment
  UCR232355  Oncosiphon piluliferum John F. Green 2008-4-15 0408- 22 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
  RSA681990  Oncosiphon piluliferum Steve Boyd 2003-4-30 10507 Riverside Mira Loma, along Highway 60 at onramp from Etiwanda Ave. to Hwy 60 westbound. Comment
  UCR19729  Opuntia John C. Roos, L. Roos 1952-10-18 5905 Riverside Little San Bernardino Mtns, Hidden Valley campground 1220 Comment
  UCR178533  Opuntia basilaris R. G. Swinney 1967-5-26 144 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  POM83411  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  UCR41418  Opuntia erinacea A. C. Sanders 1984-4-21 5019 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  POM83402  Opuntia parryi J. W. Toumey 1895-05 s.n. Riverside Banning. Comment
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Mar 21 2011
  SEINET9037780 Image available Opuntia phaeacantha M. A. Baker 2015-1 18401 Riverside San Gorgonio Pass, 32km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4km ENE of Banning, broad wash of sand, silt, rock, and gravel, mostly granitic 638 Comment
  RSA22796  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1939-9-29 9460 Riverside Desert slopes of San Jacinto range. Upper edge of Pinon Flats on the Palms-Pines Road. 1220 Comment
  RSA6210  Opuntia polyacantha var. erinacea B. D. Stark 1932-09 4374 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
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Dec 11 2011
  JEPS70889  Orobanche cooperi L. R. Heckard 1973-4-24 3321 A Riverside 16.3 mi. n. Desert Center (on rd. to Rice) 243 Comment
  JEPS85949  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4527 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UC1080462  Orobanche cooperi P. C. Everett and E. K. Balls 1958-4-29 23031 Riverside 21.9 sw of Rice (along road from Desert Center to Vidal Junction) 548 Comment
  UCR33629  Orobanche cooperi Sears 1978-3-16 832 Riverside Sonoran (Northern Colorado) Desert, 12 mi NW of Midland, 3 mi SW of Rice in sand dunes 244 Comment
  RSA0076495  Orobanche fasciculata Steve Boyd, Chris Frazier 1993-4-24 8008 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA0010923  Orthocarpus densiflorus var. gracilis Marion P. Harthill 1976-5-5 s.n. Riverside Cleveland National Forest. 2000' ele. 610 Comment
  RSA648279  Orthocarpus purpurascens var. purpurascens Margaret Murphy 1983-4-15 0014 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA562105  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  SEINET10635289  Oxalis pes-caprae Greg Gust, Leith Nye 2005-3-11 Gust 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  POM353421  Oxalis wrightii E. Crow 1929-4-21 346 Riverside North of Alberhill Comment
  UC2030130  Oxytheca caryophylloides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38137 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Woods above James Reserve. Comment
  RSA606151  Oxytheca emarginata R. S. Woglum 1937-5-22 573 Riverside Santa Rosa Mountains. Comment
  JEPS58026  Oxytheca trilobata W. L. Jepson 1903-8-6 2282 Riverside Chalk Hill San Jacinto Mt. 1463 Comment
  RSA279605  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4571 Riverside San Jacinto Mountains, 0.3 mile south of California Hwy 74 on the road to Mile High Trap Club-1 mile road junction west of Mountain Center. 1311 Comment
  UCR202001  Oxytheca trilobata 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
  RSA650116  Paeonia californica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  CAS-BOT-BC327891  Palafoxia arida Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  RSA653713  Palafoxia arida Scott D. White 2000-3-23 7634 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  SEINET10875583  Palafoxia arida David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3725 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  JOTR28879  Palafoxia arida var. arida La Doux, Tasha 2004-2-24 1114 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  POM31624  Palafoxia arida var. arida Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA28088  Palafoxia arida var. arida I. L. Wiggins 1941-3-27 28088 Riverside 4 miles northeast of Desert Center on road to Rice. Comment
  RSA5158  Palafoxia arida var. arida C. B. Wolf 1932-4-26 2969 Riverside 3 mi. east of Mecca on Blythe Road 0 Comment
  UC1551913  Palafoxia arida var. arida David Charlton 1988-2-18 1123 Riverside Fargo Canyon Road 1 mi e jct Dillon Rd. (to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10); S side of Little San Bernardino Mtns. 609 Comment
  UCR241512  Palafoxia arida var. arida A. C. Sanders, Ann Howald 2013-2-27 40546 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA126976  Panicum capillare H. S. Yates 1937-6-27 6707 Riverside Near Relief Hot Spring. 457 Comment
  SBBG89156  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside across from street from 1012 Spruce St., Riverside 304 Comment
  UCR95459  Panicum capillare D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1122 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn; S end of Los Caballos Road, approximately 20 m north of the gate to the University of California-Emerson Oaks Reserve, across the junction with the road to the local golf course, in a vineyard 427 Comment
  UCR188996  Panicum dichotomiflorum subsp. dichotomiflorum Fred M. Roberts, S. Leatherman 2007-9-19 6590 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR278641  Panicum hirticaule subsp. hirticaule Onkar Singh 2015-11-10 5615 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 100 m south of Hwy I-10, 50 m east of eastern terminus of Chiuckwalla Valley Road 115 Comment
  CAS-BOT-BC422793  Papaver californicum Steve Boyd; Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79. 670 Comment
  CLARK-A1528-689  Papaver californicum Grace Sprague 1968-5-3 Riverside Twin Pines Comment
  SEINET270107  Papaver californicum Steve Boyd, Carol Boyd; Kyle Boyd 6736 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp 366 Comment
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Mar 1 2014
  UC64142  Papaver californicum John Haslam 1897-4-19 482 Riverside s of San Jacinto (St. John's Canyon); St. John's Canyon Comment
  UCR104075  Papaver californicum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20631 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
  UCR91482  Parietaria hespera var. californica Scott D. White, M. Jacobsmeyer 1996-4-20 3949 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  POM8165  Parietaria hespera var. hespera Mary F. Spencer 1920-4-3 1620 Riverside Palm spring 152 Comment
  RSA770989  Parietaria hespera var. hespera Jim Andre, Tasha La Doux 2009-2-25 10811 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA777762  Parkinsonia florida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1083 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA788974  Parkinsonia florida Aaron C. Sedgwick, David Fraker 2012-3-28 28 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG68552  Parkinsonia florida M. N. Ackley -Apr-1928 608 Riverside Coral Reef Ranch, Coachella Valley -12 Comment
  SJSU5171  Parkinsonia florida L. M. Stotelmyre 1970-3-23 73 Riverside 8 km E of Indio Comment
  UCR111981  Parkinsonia florida A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23368 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella 24 Comment
  UC184054  Paspalum urvillei Miss H. A. Gray June 1915 Riverside Palm Spr. R. R. Station Comment
  UCR239836  Paullinia pinnata O. F. Clarke 2004-8-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA387326  Pectis papposa Aaron Liston, Thomas S. Elias, Oscar Dorado, S. Zona 1986-11-29 643 -2 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
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Oct 9 2010
  RSA781407  Pectis papposa Duncan S. Bell 2011-10-22 2987 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCD134923  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta. 15 Comment
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Aug 6 2016
  RSA682121  Pectocarya heterocarpa Valerie Soza 2003-3-15 s.n Riverside Orocopia Mountains. Comment
  RSA777852  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 842 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR159762  Pectocarya linearis Scott D. White 1999-5-2 7291 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
  POM3822  Pectocarya penicillata C. F. Baker 1904-4-5 4139 Riverside Hemet Comment
  SEINET7063223  Pectocarya penicillata A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  RSA77862  Pectocarya platycarpa F. W. Peirson 1920-2-16 1014 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  UCR42930  Pectocarya recurvata D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  VVC696  Pectocarya recurvata P. J. MacKay, T. Thomas 1997-2-8 99 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  SEINET10840877  Pectocarya recurvata David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2910 Riverside Hillside by quadrat 4. Pushawalla Canyon. Comment
  JOTR31974  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2210 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UCR118636  Pelargonium grossularioides O. F. Clarke 2001-4-30 s.n. Riverside Riverside, yard of Arlee Montalvo, Picacho Dr. east of UCR campus off Watkins Dr. 366 Comment
  RSA798597  Pellaea andromedifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49755 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  CAS-BOT-BC71399  Pellaea mucronata Peter H. Raven 1958-5-17 12932 Riverside 3/4 miles SE of Banning on road to Idyllwild, San Jacinto Mts. Comment
  UCR280950  Pellaea mucronata Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 67 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  SDSU13338  Pellaea mucronata var. mucronata C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 305 Comment
  RSA713997  Pennisetum ciliare var. ciliare John Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert: Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10. 12 Comment
  SDSU10925  Penstemon bridgesii H. Wedberg 1962-7-28 996 Riverside Near Black Mtn. Public Campground in San Jacinto Mtns. 2317 Comment
  JEPS15120  Penstemon centranthifolius P. A. Munz and I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch Morongo Pass, Covington Ranch (Southern California) 762 Comment
  SD212735  Penstemon centranthifolius T. B. Salvato, John F. Green 2004-5-27 586 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA96998  Penstemon centranthifolius R. M. Straw 1953-6-6 460 Riverside 6.6 mi. S. of Banning on Idyllwild Road. Comment
  SFV17408  Penstemon clevelandii M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-6 74 Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  UCD124053  Penstemon clevelandii Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca. 0.05 mile south of Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  RSA412499  Penstemon clevelandii subsp. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Calienta,) desert base of San Jacinto Mountain 152 Comment
  JEPS7550  Penstemon clevelandii var. connatus Marjorie D. Clary 1932-6-5 962 Riverside Dead Indian Trail Santa Rosa Mts., Carrizo Creek, Dead Indian Trail Comment
  JEPS7907  Penstemon clevelandii var. connatus Rimo Bacigalupi with L. R. Heckard 1953-5-5 4074 Riverside w slopes of Deep Canyon btw Santa Rosa Mts and San Jacinto Mts, Coachella Valley (along Palms-to-Pines Highway (Calif 74) above Seven Level Hill, mts w side Coachel1a Valley, 1/2-way btw Santa Rosa and San Jacinto Mts) Comment
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Dec 23 2011
  NY583966  Penstemon clevelandii var. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mountain 152.4 Comment
  UCD124052  Penstemon clevelandii var. connatus Richard Bates 1949-3-1 s.n. Riverside Pines to Palms Highway, top of Palm Canyon. Comment
  JEPS7536  Penstemon eatonii var. undosus W. L. Jepson 1914-5-18 6007 Riverside n Indio (Pinon Well grade summit, betw. Pinon Well and County Well); Colorado Desert, summit Pinon Well grade, n of Indio Comment
  UCSB7487  Penstemon heterophyllus Stoppel, Gordon 1958-5-17 Riverside Along Banning- Idyllwild Highway; about 10 miles SE of Banning Comment
  RSA234077  Penstemon heterophyllus var. australis Robert F. Thorne, E. W. Lathrop 1969-6-6 39333 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UC1012298  Penstemon spectabilis F. W. Pennell and A. L. Grant 1940-4-28 25279 Riverside Route 74, 7-8 mi e Hemet; e of Hemet 548 Comment
  UCR251939  Penstemon spectabilis Harun Bektas 2011-4-26 11 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCSB12642  Penstemon spectabilis Creighton, B. 1961-5-6 Riverside 7.8 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  UCR34884  Pentachaeta aurea L. B. Ziegler 1966-6-21 056 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  RSA802099  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam 2013-5-21 4970 Riverside In Dry Creek below Strawberry Valley to the north of Chalk Hill and about 1.25 air miles south of Idyllwild. 1547 Comment
  RSA0120467  Pentagramma triangularis Duncan S. Bell 2016-4-16 9304 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CAS-BOT-BC71579  Pentagramma triangularis subsp. maxonii Larry Kiefer 1963-3-24 483 Riverside Andreas Canyon 365 Comment
  LA29292  Peritoma arborea var. angustata Mary V. Hood; 1946-12-13 46- 89 k* Riverside Palm Springs Station 152 Comment
  CAS-BOT-BC77529  Peritoma arborea var. arborea J. H. Thomas 1949-2-28 47 Riverside Between Banning & Palm Springs Comment
  CAS-BOT-BC355979  Perityle emoryi N. Aitkenhead 1977-2-2 2128 Riverside S-O line S.W. of Radio Tower top of Chuckwalla Mnts Comment
  RSA0081614  Perityle emoryi Jim M. Andre 2012-4-11 20833 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  SEINET5763216 Image available Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert Comment
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May 6 2015
  UC565485  Perityle emoryi Margaret Stason 1927-3-12 Riverside Colorado Desert Comment
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Nov 12 2011
  CAS-BOT-BC167767  Petalonyx thurberi S. B. Parish 1912-6-28 8121 Riverside Mesas near Mecca Comment
  HSC82745  Petalonyx thurberi R. F. Thorne, W. A. Tilforth 1980-5-28 54191 Riverside San Bernardino Mtns., W-facing slope of Whitewater ridge above old bridge. Comment
  SBBG69395  Petalonyx thurberi subsp. thurberi M. D. Clary 1928-7-4 515 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  UC872592  Petalonyx thurberi subsp. thurberi Lewis S. Rose 1938-12-19 38324 Riverside 6 mi. s. Cathedral City 45 Comment
  SD125665  Petunia violacea A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the north side of Spruce St. between Rustin and Canyon Crest. 299 Comment
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Apr 5 2016
  HSC25834  Peucephyllum schottii Richard Spjut 1972-2-1 2074 Riverside Colorado Desert: Southern end of the Eagle Mts.; Eagle Mt. Rd. and other sandy roads ca. 3 to 6 mi. N of Desert Center Comment
  SBBG81716  Peucephyllum schottii S. A. Junak 1983-3-23 1633 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SFV6298  Peucephyllum schottii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 52 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR274815  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 011 Riverside Sonoran (Colorado) Desert, Palen Valley south of Power Line Road that paralleles Hwy I-10 159 Comment
  CHSC8307  Phacelia Edward L. Smith 1958-3-21 363 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  RSA21752  Phacelia ambigua Carl B. Wolf 1937-4-6 8424 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA427705A  Phacelia ambigua Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  UCR178529  Phacelia campanularia R. G. Swinney 1967-2-12 0029 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UC217927  Phacelia campanularia subsp. campanularia P. A. Munz, D. Keck 1922-4-14 5003 Riverside mesa e Whitewater Ranch; Colo. Desert 213 Comment
  CHSC111045  Phacelia cicutaria var. hispida L. M. Prince; Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  UCR101787  Phacelia cicutaria var. hispida George K. Helmkamp, E. A. Helmkamp 1997-3-5 1320 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR138574  Phacelia crenulata Steve Boyd, Orlando Mistretta 1986-3-13 1440 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  CDA19646  Phacelia crenulata var. ambigua G. D. Barbe, T. C. Fuller 1973-3-12 1049 Riverside 0.2 mi east of Coachella Canal on state route 195, ca. 5 mi east of Mecca. Box Canyon Wash. 24 Comment
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Mar 10 2011
  UCSB31055  Phacelia crenulata var. ambigua Steele, R. 1977-3-28 Riverside Five miles south of Interstate 10 on Box Canyon Road 365 Comment
  GMDRC9817  Phacelia crenulata var. minutiflora J. M. Andre 2017-3-1 38055 Riverside Coxcomb Mountains: north of Hwy 177 at JTNP boundary, 10.1 mi. NE of Desert Center (I-10) 159 Comment
  CHSC99633  Phacelia distans LeRoy Gross; Leland Lubinsky, Victor Steinman, Linda Worlow 2005-2-17 1419 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of campground. Near 33 37' 32' N, 115 19' 35' W: UTM 3721895N, 655238E Elevation 1574 feet. to 33 36' 52' N, 115 19' 54': UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottoms and slopes. 479 Comment
  HSC13742  Phacelia distans D. W. Snell 1964-3-26 18 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  JOTR34226  Phacelia distans La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2012-5-12 3079 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline south of Quail Mountain peak with steep, north facing slopes (Stop 4) Comment
  POM182077  Phacelia distans P. A. Munz 1932-3-14 11973 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA519257  Phacelia distans Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR120811  Phacelia distans Ian G. Gillespie 2000-4-16 4 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  UCR165915  Phacelia distans T. B. Salvato, John F. Green 2004-5-27 558 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR172203  Phacelia distans John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR215521  Phacelia distans Daphne K. Christopher, Hannah I. Stevens 2003-4-6 104 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 540 Comment
  SEINET12280101  Phacelia distans H. M. Hall 1902-1 2953 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  JEPS21174  Phacelia fremontii H. S. Yates 1937-3-24 6474 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  UC68788  Phacelia ivesiana var. pediculoides L. A. Greata Apr. 1905 402 Riverside Coachella Comment
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCSB5420  Phacelia minor Mazzia, Linda 1960-5-15 Riverside 2.2 miles south of Highway 70 and 99 on road from Banning to Idyllwild on north side of San Jacinto Mountains 914 Comment
  UCR41743  Phacelia minutiflora A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6068 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  SDSU13319  Phacelia parryi Ryan Jacobson, Jeremy Mass 2000-4-19 13 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  RSA428158  Phacelia pedicellata Robert Gustafson 1983-3-27 2492 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  UCR116418  Phacelia ramosissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24188 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
  UCR207553  Phacelia ramosissima O. F. Clarke 2005-5-12 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  UC666584  Phacelia ramosissima var. latifolia Harlan Lewis and Carl Epling 1942-5-2 1600 Riverside near Palm Springs; Andreas Canyon Comment
  RSA776295  Phacelia rotundifolia Duncan S. Bell, Amanda Turek 2010-4-10 829 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  POM7721  Phacelia tanacetifolia P. A. Munz, R. D. Harwood 1920-3-20 3372 Riverside 5 miles S of Corona 305 Comment
  UCSB5434  Phacelia tanacetifolia Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 60-70 at N edge of Orocopia Mts. Comment
  UCR262230  Phacelia umbrosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  SEINET954733  Phalaris canariensis Mitch Provance 2005-1 6569 Riverside Warm Springs Valley; Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 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. 396 Comment
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Aug 21 2014
  RSA467439  Phleum alpinum M. B. Dunkle 1933-7-22 3746 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  UC2030089  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  JOTR32532A  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA615066  Phoenix dactylifera A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. D. Stewart, Colin L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity., 33 deg 30.16 N, 115 deg 49.9 W -30 Comment
  UC1078930  Phoradendron californicum Job Kuijt 1958-3-14 1495 Riverside 12.9 mi. s. Palm Desert 1066 Comment
  UCR226494  Phoradendron californicum Jim Andre 2011-2-18 15823 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR99806  Phoradendron californicum B. G. Pitzer 1996-11-11 2932 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  SD137585  Phoradendron leucarpum subsp. tomentosum Darin L. Banks 1995-5-9 411 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove area, W of Woodchuck Camping area 737 Comment
  OBI12426  Phoradendron libocedri Louis C. Wheeler 1931-10-3 243 Riverside 1.5 I NW Tahquitz Peak, San Jacinto Mts 1920 Comment
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Jul 9 2012
  POM354322  Phoradendron macrophyllum N. C. Cooper 1943-10-9 956 Riverside Hemet. On Populus. Fremontii Wats. Comment
  SD187490  Phoradendron macrophyllum Scott D. White, Angelia Carey 2004-4-16 10156 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR91721  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  HSC82761  Physalis crassifolia Christopher Davidson 1979-4-4 7676 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  RSA304172  Physalis crassifolia James R. Shevock 1972-3-5 1361 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  RSA423820  Physalis crassifolia Anstruther Davidson 1901-5-1 s.n. Riverside Thermal. Comment
  SBBG29194  Physalis crassifolia K. K. Muller 1967-9-14 1421 Riverside 5 mi E of Indio Comment
  SEINET2054260 Image available Picris echioides Heather Hanson 1966-3-28 Riverside Approximately 40 feet due south of the Humanities Building, UCR. 304 Comment
  CAS-BOT-BC45829  Pilostyles thurberi L. N. Goodding 1943-10-28 88 -43 Riverside On Dalea Emoryi; 57 miles south of Indio, California Comment
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  LA6049  Pinus contorta subsp. murrayana Virginia Mars; 1951-5-26 sn Riverside San Jacinto Mountains, Tahquitz Peak 2285 Comment
  UC64560  Pinus lambertiana H. M. Hall 1902-4-16 2882 Riverside w side Tahquitz Peak; San Jacinto Mountains 2621 Comment
  IRVC2817  Pinus monophylla R. H. Whittaker, W. A. Niering 1963-5-31 SJ 93 Riverside "Palm Canyon Road", off Palm to Pines Hwy. Peninsular Ranges, Santa Rosa Mountains 1220 Comment
  HSC86141  Pinus ponderosa B. Freeman 1969-3-25 690325 Riverside James Reserve, San Jacinto Mtns., N of James' House Comment
  CLARK-A1528-3630  Pinus quadrifolia John C. Roos 1938-8-7 585 Riverside San Jacinto Mountains Comment
  NY62442  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA384462  Pinus quadrifolia Gale Sphon 1955-5-22 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  RSA384463  Pinus quadrifolia Mark Morris 1929-3-17 s.n. Riverside Near Santa Rosa Mt. Calif. Pinon Flats. Comment
  RSA595275  Piptatherum miliaceum D. L. Banks, Victor Steinmann 1996-4-20 896 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
  UCR156297  Pityrogramma triangularis T. B. Salvato, Kent Beaman 2005-5-16 844 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCD120759  Plagiobothrys acanthocarpus A. C. Sanders; Guy Bruyea 2004-4-2 27448 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. Comment
  UC1347182  Plagiobothrys canescens Alice Eastwood and John Thomas Howell 1937-4-24 3917 Riverside above Elsinore; Summit of Santa Ana Mts. Comment
  SD232228  Plagiobothrys collinus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Temescal Canyon: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR228257  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-4-1 38928 Riverside Peninsular Range, Lake Elsinore, near intersection of Pierce St., Baker St., and Nichols Rd., flats at south side of Alberhill Mtn. 389 Comment
  RSA145925  Plagiobothrys collinus var. californicus William McKinley Klein, J. E. Klein 1958-2-9 17 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  UC64418  Plagiobothrys collinus var. californicus H. M. Hall 1897-3-30 412 Riverside Winchester Comment
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Mar 20 2011
  UCR25973  Plagiobothrys collinus var. californicus John C. Roos 1952-2-29 5368 Riverside Reche Canyon 457 Comment
  UCR79248  Plagiobothrys fulvus Steve Boyd, T. S. Ross 1992-5-5 7247 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. south of Oak Flats, SW of the Bluewater Trail 793 Comment
  UCR38139  Plagiobothrys jonesii J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UC219101  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5068 Riverside 1/2 mi s Lake Elsinore 381 Comment
  SD185172  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, wouth of Murrieta; small mesa southwest of Mesa de Burro. 579 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
  RSA741164  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-5-15 12000 Riverside Johnson Meadow. 1415 Comment
  SDSU21705  Plagiobothrys undulatus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3992 Riverside Santa Rosa Plateau Ecological Reserve, near boardwalk overlook. Approximately 1.1 km east of parking area for vernal pool trail, parking lot ca. 4 miles north on road from Visitor's Center. 624 Comment
  RSA356708  Plantago erecta Robert F. Thorne, E. W. Lathrop 1975-5-20 45507 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  SD4886  Plantago erecta Fidella G. Woodcock 1928-4-27 Riverside Palm Springs; base of San Jacinto Mountain Comment
  JEPS24430  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  RSA775091  Plantago ovata Duncan S. Bell, Amber Swanson 2011-2-18 2039 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
  UC888395  Plantago ovata Carl B. Wolf 1932-4-27 Riverside 0.75 mi w Utopia (Mecca - Blythe Road); Colorado Desert 152 Comment
  UCR24901  Platanthera dilatata var. leucostachys A. C. Sanders 1980-7-22 1716 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
  UC4557  Platanthera leucostachys H. M. Hall 1897-7-22 727 Riverside San Jacinto Mts. 1828 Comment
  JEPS40287  Platanus racemosa W. L. Jepson 1901-6-2 14871 Riverside Santa Ana River bottom Comment
  SBBG97299  Platanus racemosa W. L. Halvorson 1977-4-1 77 -215 Riverside 5 mi S of Temecula on Hwy S16 Comment
  LA206261  Platystemon californicus K. Kinsel; 1930-4-17 sn Riverside near Perris Comment
  UC146755  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  SD137591  Plectritis ciliosa Darin L. Banks 1995-5-9 388 Riverside Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove area, W of Woodchuck Campground 701 Comment
  JEPS6146  Plectritis ciliosa subsp. insignis R. Bacigalupi 1954-4-25 4398 Riverside 3/4 mi s of Sage (close to summit of St. John's Grade, Cal Hwy 79); Cal Hwy 79 Comment
  RSA577756  Pleuraphis rigida F. M. Reed 1920-3-24 4286 Riverside Morongo Pass near Whitewash station 274 Comment
  CAS-BOT-BC177608  Pleurocoronis pluriseta Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  JEPS18556  Pleurocoronis pluriseta W. L. Jepson 1914-5-18 6022 Riverside County Well Colorado Desert Comment
  LA203877  Pleurocoronis pluriseta Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9572 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  OBI38342  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer, & D. Charlton 1986-3-3 6139 Riverside North foot of the Chuckwalla Mtns. 2-3/4 mi (airline) SE of Desert Center 366 Comment
  POM123019  Pleurocoronis pluriseta Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  POM8370  Pleurocoronis pluriseta Mary F. Spencer 1920-3-13 1446 Riverside Painted Canyon, near Mecca -58 Comment
  RSA472094  Pleurocoronis pluriseta E. S. Spalding 1926-2-15 s.n. Riverside Painted Canyon. Comment
  CAS-BOT-BC356105  Pluchea odorata J. Ewan 1931-10-3 5210 Riverside Santa Ana River 4 miles N.W. of Corona Comment
  CAS-BOT-BC326547  Pluchea sericea Herman Knoche 1919-6-1 592 Riverside Palm Springs Comment
  RSA180359  Poa bulbosa E. W. Lathrop 1965-4-18 5561 Riverside 10 miles west of Murrieta. Comment
  CAS-BOT-BC247396  Poa pratensis H. M. Hall 1901-7-1 2482 Riverside San Jacinto Mountains. In Tamarack Valley 2804 Comment
  SD232153  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCD91842  Poa pratensis Alan A. Beetle 1946-6-10 4346 Riverside Mt. San Jacinto. At top of Tahquitz Valley. 2438 Comment
  UCR202574  Poa pratensis Scott D. White, Justin M. Wood 2008-7-8 12390 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR162265  Poa secunda S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR2701  Poa secunda F. M. Reed 1920-3-24 4232 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCR41327  Poa secunda N. M. Fellows, A. C. Sanders 1985-4-9 156 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
  UCD91782  Poa secunda subsp. secunda F. W. Peirson 1933-4-15 10655 Riverside Whitewater River, 4.5 miles above bridge. 701 Comment
  UCR66446  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside Peninsular Range, Temecula Canyon Comment
  CAS-BOT-BC413755  Polygonum argyrocoleon Peter H. Raven 1958-1-25 11474 Riverside 0.5 miles west of Mecca Comment
  UCR201626  Polygonum aviculare Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR156302  Polygonum convolvulus T. B. Salvato, Kent Beaman 2005-5-16 855 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR156357  Polygonum lapathifolium T. B. Salvato, Kent Beaman 2005-5-16 868 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA653320  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, about 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco. 191 Comment
  UCR113610  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  UC2026433  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 MILES NNE OF PALO VERDE: Avenue 32 & Rannells Blvd. Comment
  RSA708073  Polypodium californicum Scott D. White, Angelia Carey 2004-4-16 10181 Riverside Indian Creek and adjacent slopes. 549 Comment
  LA10127  Polypogon monspeliensis A. M. Johnson; 1928-5-5 346 Riverside Travertine Rock Comment
  POM49460  Populus X parryi M. French Gilman 1924-07 s.n. Riverside Side canyon of Snow Canyon. 610 Comment
  HSC85277  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  LA102386  Porophyllum gracile John C. Roos; 1950-5-6 4789 Riverside Santa Ana Mountains, Tin Mine Canyon 609 Comment
  CAS-BOT-BC310318  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  POM1019  Potamogeton crispus I. M. Johnston 1918-12-1 s.n. Riverside Santa Ana River NW of Corona, Riverside County Comment
  CAS-BOT-BC267208  Potamogeton foliosus Thorne; P. A. Munz; E. Lathrop 1968-5-8 37564 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  SD128282  Potentilla glandulosa subsp. reflexa R. Mitchell Beauchamp 1971-5-15 2417 Riverside Black Mt. campground, San jacinto Mountains 2100 Comment
  UC860692  Potentilla gracilis var. fastigiata P. A. Munz 1922-7-6 5986 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  POM299275  Prenanthella exigua Louise Kellogg 1941-5-23 2221 Riverside 3.5 miles NE of cottonwood Spring, Eagle Mtns. 1067 Comment
  UCR242713  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40439 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  SEINET695566  Proboscidea louisianica Howard Scott Gentry 1948-6-30 8181 Riverside Gentry Farm, ca. 3 miles northeast of Murrieta. Comment
  CAS-BOT-BC206983  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  POM2528  Prosopis glandulosa var. torreyana Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  CAS-BOT-BC216513  Prosopis pubescens John Thomas Howell 1927-8-1 2879 Riverside J Cross K Ranch, N Colorado Desert, Bottom of Mission Creek 609 Comment
  POM296501  Prunus fasciculata Lyman D. Benson 1945-3-29 11631 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  UCR260293  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  CAS-BOT-BC158292  Prunus fasciculata var. fasciculata Annie M. Alexander; Louise Kellogg 1941-5-14 2172 Riverside Cottonwood Spring Pass, Eagle Mts. 914 Comment
  SD229261  Prunus fremontii Dick Schwenkmeyer 2013-6-11 917 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UCR154408  Prunus ilicifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30943 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
  CLARK-A1528-284  Psathyrotes ramosissima Charlotte Stocks 1962-5-3 Riverside Mecca Comment
  POM13052  Psathyrotes ramosissima P. A. Munz, D. D. Keck 1922-4-12 4839 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  UCR174127  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32633 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR274191  Pseudognaphalium californicum T. B. Salvato, Gregg Miller 2005-6-7 1434 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
  CAS-BOT-BC361784  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; P. A. Munz; L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  UC128527  Psorothamnus arborescens var. simplicifolius Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  UC729667  Psorothamnus arborescens var. simplicifolius Carl B. Wolf 1932-5-25 3680 Riverside 1 mi below, n base of San Jacinto Mts. Fish Hatchery; n base San Jacinto Mts., Snow Creek Canyon 396 Comment
  UC73147  Psorothamnus arborescens var. simplicifolius R. J. Smith 1904-1 308 Riverside near Palm Springs (Colo. Desert, Southern California); Colo. Desert (Colorado Desert), near Palm Springs Comment
  CAS-BOT-BC353643  Psorothamnus emoryi E. R. Johnson 1928-6-8 s.n Riverside along highway south of Mecca, west side of Salton Sea Comment
  RSA167563  Psorothamnus schottii Robert F. Thorne, R. Rutherford 1964-4-12 33655 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
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Apr 25 2011
  RSA66970  Psorothamnus schottii Marcus E. Jones 1924-2-26 s.n. Riverside Shavers Well. Comment
  UCR178024  Psorothamnus schottii John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  JOTR32400  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  SBBG3322  Psorothamnus spinosus H. and M. Dearing 1940-6-8 4333 Riverside near Palm Springs Comment
  UCD84489  Psorothamnus spinosus Chuck Hughes 2010-6-15 150 Riverside About 70 feet north of Highway 62, between the highway and railroad tracks. Tree is barely inside San Bernardino County boundary by less than 30 feet. 285 Comment
  POM19645  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Banning road prope [near] Idyllwild. San Jacinto Mt. 1829 Comment
  POM8825  Pterostegia drymarioides Mary F. Spencer 1920-7-4 s.n. Riverside [Palm?] Canyon 183 Comment
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Nov 19 2011
  RSA392934  Pterostegia drymarioides T. L. Secrest 1948-4-7 s.n. Riverside 5 miles below Whitewater. 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
  JOTR31181  Purshia tridentata var. glandulosa La Doux, Tasha, G. Clifton 2009-5-14 1978 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UCD170868  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR278568  Quercus Mitch Provance 2012-9-5 912- 17 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCR262388  Quercus X morehus Tom Scott 2011-1 s.n. Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01 1495 Comment
  CAS-BOT-BC61820  Quercus agrifolia P. A. Munz; E. K. Balls 1952-8-21 17994 Riverside 1 mi. W of Poppet Flat, Banning-Idyllwild Road 1219 Comment
  POM263040  Quercus agrifolia J. C. Roos 1937-8-19 358 Riverside Near summit, Pines to Palms Road 1433 Comment
  SD193294  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside Valley Hi County Park off Highway 243 and Twin Pines road at McMullen Flat. 1189 Comment
  RSA608245  Quercus agrifolia var. agrifolia Louis C. Wheeler 1960-8-6 7779 Riverside Temescal Canyon: ca. 1 mile E of Glenn Ivy, Wright Ranch. Comment
  RSA640179  Quercus agrifolia var. agrifolia Louis C. Wheeler 1965-3-26 8707 Riverside Temescal Valley: Wright Ranch. Comment
  SDSU13621  Quercus agrifolia var. agrifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA476773  Quercus berberidifolia E. Crow 1929-4-21 345 Riverside Near Lake Elsinore Comment
  UCR275942  Quercus berberidifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3791 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCD45551  Quercus chrysolepis E. W. Lathrop 1966-5-29 6383 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest, Riverside Co. Elevation 4000 1219 Comment
  UC5587  Quercus cornelius-mulleri Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR186853  Quercus cornelius-mulleri Naomi Fraga, T. Thibault 2006-5-16 1670 Riverside San Jacinto Mountains, Peninsular Ranges; c. 2.5 mi. up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat 1585 Comment
  UCSB58830  Quercus cornelius-mulleri Muller, Cornelius 1941-8-10 Riverside San Jacinto Mtns, 12 miles S.E. of Keen Camp Comment
  SEINET10891639  Quercus dumosa Greg Gust, Leith Nye 2005-3-12 Gust 555 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  RSA736295  Quercus engelmannii Scott D. White, Justin M. Wood 2008-5-27 12034 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SD262289  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617 01 Riverside Temescal Valley: Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  SD80953  Quercus engelmannii James Henrickson 1969-5-16 3241 Riverside 5 miles west of Murrieta on Santa Rosa Plateau, 4 miles east of Tenaja campground 609 Comment
  UC5842  Quercus engelmannii Samuel B. Parish 1891-11-3 2257 Riverside near Murietta Comment
Read comments
Jul 15 2009
  SJSU10151  Quercus kelloggii A. W. Jacobs 1938-8-1 Riverside Mt Tahquitz trail near Keen Ranger Station 1409 Comment
  UCR182105  Quercus kelloggii Tom Chester 2006-9-29 959 Riverside Peninsular Ranges; San Jacinto Mountain, Humber Park above Idyllwild just outside of parking area 1972.6 Comment
  RSA39265  Quercus palmeri P. A. Munz 1946-10-19 11571 Riverside Burnt Valley, about 5.2 miles east of Anza 1311 Comment
  RSA660499  Quercus palmeri A. C. Sanders 1998-5-14 21848 Riverside Jurupa Mtns.: Rattlesnake Mtn. (hill 1452m), Crestmore, above watertank W of Cedar Ave., above intersection of Andalusia and Malaga Streets. 366 Comment
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SBBG11833  Quercus palmeri D. E. Breedlove 1961-8-5 952 Riverside 2.7 mi N of Anza Rd, St Hwy 74 1310 Comment
  RSA215586  Quercus wislizeni L. B. Ziegler 1969-10-24 s.n. Riverside Kenworthy Ranger Station. Hemet Valley, San Jacinto Mts. 1418 Comment
  JOTR32039  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2269 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  RSA0118610  Rafinesquia neomexicana Jim M. Andre 2015-3-6 33568 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  SBBG8706  Rafinesquia neomexicana C. H. Muller 1952-4-4 9495 Riverside White Water Cyn, ca. 1 mi above White Water Comment
  SEINET186324  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs Eagle Mountains. 914 Comment
  UCR233149A  Rafinesquia neomexicana Jim Andre, Glenn L. Clifton 2011-2-22 17463 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR72185  Rafinesquia neomexicana Theo Glenn 1992-3-31 92 3 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UC1260165  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside e Redondo Mesa; Santa Rosa Plateau, Rancho California 609 Comment
Read comments
Aug 19 2010
  RSA198930  Ranunculus californicus Robert F. Thorne 1968-4-18 37427 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UCR93826  Ratibida columnaris G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Murrieta, Warm Springs Creek, c. 1/2 mile south of Murrieta Hot SpringsFreshwater marsh with seep and stream flow; with Juncus rugulosus, Typha, Xanthium stru., Rorippa nast-aq., Echinochloa crusgalli, etc. 457 Comment
  UC1979345  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79. Comment
  LA207815  Rhamnus ilicifolia P. C. Everett; 1935-6-18 7207 Riverside Santa Ana Mountains, Coldwater Canyon Trail, 1.5 mi. N (below) main divide Motorway 1280 Comment
  RSA38493  Rhamnus ilicifolia P. A. Munz 1946-10-19 11569 -a Riverside 1 miles east of Anza. 1159 Comment
  SEINET10778394  Rhinotropis cornuta var. fishiae J. Richard Abbott 2001-8-18 Abbott 14678 Riverside Santa Ana Mountains, San Juan Canyon, 6.7 miles SW of E-edge of Cleveland National Forest; 0.1 mile E of Orange County line on CA 74, 2 miles W of road N to Upper San Juan Campground; steep NNW-facing chaparral slopes. Comment
  POM312168  Rhododendron occidentale var. californicum N. C. Cooper 1944-6-17 1403 Riverside San Jacinto Mtns. Above Banning 1372 Comment
  CAS-BOT-BC168116  Rhus aromatica P. C. Everett 1935-6-18 7181 Riverside Santa Ana Mts., main divide highway to Santiago Pk., 1 mi. from Ortega Highway 731 Comment
  RSA386387  Rhus ovata P. A. Munz, Harwood 1920-2-28 3263 Riverside 2 mi. southeast of Corona, 305 Comment
  UCSB3764  Rhus ovata Ralph, F. 1959-5-17 Riverside On Pinon Flats Campground just off Hwy. 74 about 15.1 miles south of Palm Desert City Limits 1219 Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  RSA502905  Ribes indecorum Steve Myers 1989-3-1 s.n. Riverside Rawson Canyon, SE of Winchester, 3/5 miles E of the intersection of Winchester Road & Keller Road. Comment
  UC1127275  Ribes malvaceum A. Lewis May 1934 456 Riverside w La Cienaga; Cleveland National Forest, Elsinore Quadrangle Comment
  SEINET13942611 Image available Ribes malvaceum Joseph Andorfer Ewan 1933-1 10896 Riverside Bushy canyong bottom. Tin Mine Canyon, Santa Ana mountains Comment
  RSA263743  Ribes malvaceum var. viridifolium E. W. Lathrop 1968-5-22 6910 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA0022093  Ribes montigenum E. C. Jaeger 1921-06 s.n. Riverside Round Valley, San Jacinto Mtns. 2744 Comment
  UC974961  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  RSA221054  Romneya coulteri E. W. Lathrop 1966-5-1 6255 Riverside Tin Mine Canyon, Santa Ana Mountains 3 miles west of Corona. Comment
  SEINET3094918 Image available Romneya coulteri L. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of I-15 fwy in Temescal Canyon, ca 1/4 mi. from the freeway near the dirt road. Comment
  UCR189813  Romneya coulteri Andrea Salzman 2006-6-22 154 Riverside Peninsular Ranges, Santa Ana Mountains, Indian Truck Trail, 0.5 mi North of Indian Canyon 797 Comment
  CAS-BOT-BC147542  Rosa californica Jenkins; Street 1917-5-30 1951 Riverside San Jacinto [Canon] Canyon Comment
  RSA711839  Rumex A. C. Sanders 2004-4-9 27474 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCR114965  Rumex crispus Fred M. Roberts 1992-4-25 4866 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  RSA180404  Rumex crispus E. W. Lathrop 1965-5-30 5777 Riverside 6 miles W of Murrieta. Comment
  POM19661  Rumex salicifolius var. salicifolius Mary F. Spencer 1923-1 2237 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  UC6967  Rumex salicifolius var. salicifolius H. M. Hall Jul 1901 2525 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  SD137810  Sagina decumbens subsp. occidentalis Darin L. Banks, Steve Boyd 1995-5-3 253 Riverside Agua Tibia Mountains Watershed; Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 509 Comment
  UC494397  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Corn Springs; eastern Riverside County Comment
  CAS-BOT-BC6028  Salicornia subterminalis Samuel Bonsal Parish; William Fletcher Parish 1882-6-1 1520 Riverside San Jacinto Plains Comment
  CAS-BOT-BC129742  Salix bonplandiana Marcus E. Jones 1927-4-12 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  RSA698840  Salix exigua J. R. Bruff 1927-10-8 1 -F-1 Riverside Thousand Palms. Comment
  RSA0013520  Salix exigua Joan Stewart 1998-05 696 Riverside Big Morongo Preserve Comment
  UC494328  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (4 mi. w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  CAS-BOT-BC108101  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  POM178784  Salix gooddingii Marcus E. Jones 1930-4-2 26030 Riverside Blythe. Comment
  SD229279  Salix gooddingii Dick Schwenkmeyer 2012-11-6 882 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC492428  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside 3 meters above mouth Diablo Canyon (near Clary's Coral Reef Ranch); Colorado Desert, foot of e slope Santa Rosa Mts. Comment
  CAS-BOT-BC108215  Salix 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. 240 Comment
  SD80051  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1970-3-27 268 Riverside Andreas Canyon, east slope San Jacinto Mts. 305 Comment
  SEINET1004492  Salix laevigata T. B. Salvato, Kent Beaman 2005-1 840 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  POM319098  Salix lasiolepis Patricia Wilder 1971-2-4 4917 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  SD137623  Salix lasiolepis Darin L. Banks, Steve Boyd 1995-3-16 90 Riverside Cleveland National Forest; N slope of Agua Tibia Mtn. E of Dripping Springs Alcove, Arroyo Seco drainage 512 Comment
  CDA21320  Salsola australis B. Villegas 2002-8-19 239 -3 Riverside South Coast Region; Temecula, Vaquero Dr. at Gallespy Ct. 335 Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  RSA0080317  Saltugilia australis Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7362 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  UC52862  Saltugilia australis H. M. Hall April, 1902 2907 Riverside vicinity Winchester (above Sage P.O.); vicinity of Winchester, above Sage P.O. Comment
Read comments
Mar 20 2011
  UCR108493  Saltugilia australis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16183 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  UCR108863  Saltugilia australis Heidi A. Haid 1969-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR59497  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3521 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  RSA775448  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4451 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR252524  Salvia apiana J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  RSA4136  Salvia carduacea M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  SEINET2066007 Image available Salvia carduacea Howard S. Gentry 1981-6-13 23713 Riverside Between Anza and Aguanga. Comment
  UC1537559  Salvia carduacea Gordon H. True Jr. 1935-3-1 63 Riverside Mockingbird Canyon 457 Comment
  SD73609  Salvia columbariae Helen Witham 1970-5-1 858 Riverside SE of Hemet, in Bautista Canyon 800 Comment
  UCR152639  Salvia columbariae A. C. Sanders 2005-4-22 29607 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  SEINET10499073  Salvia dorrii David B. Dunn 1946-8-17 Dunn 2723 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  CAS-BOT-BC226136  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside In Salt Creek Wash, 3 miles N. of Coachella Canal on E. base of Orocopia Mtns. 304 Comment
  SD16503  Salvia greatae Fidella G. Woodcock Apr 1922 Riverside 30 miles from Mecca, 6.0 miles from Dos Palmas, near Salton Sea. Comment
  OBI32627  Salvia mellifera O. F. Clarke 1972-3-13 s.n. Riverside UCR botanic garden; hybrid found by D. Kucera 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
  CAS-BOT-BC233350  Salvia vaseyi H. M. Hall 1901-5-1 1878 Riverside Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  RSA0121026  Salvia vaseyi Duncan S. Bell, LeRoy Gross 2016-3-29 9112 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
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  RSA585642  Sanicula arguta D. L. Banks 1995-3-15 78 Riverside NW Palomar Mts. Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. Dorland Mnt. area. 793 Comment
  SD129451  Sanicula arguta John Adams 1966-4-18 719 Riverside Santa Rosa Plateau, dirt road from Murrieta to De Luz. 760 Comment
  UCSB4631  Sanicula arguta DeWitt, Jack 1959-5-19 Riverside 12.7 miles south of Hemet Lake along Hwy. 74; San Jacinto Mtns. 914 Comment
  SD152966  Sanicula bipinnatifida Steve Boyd, Tim Ross 1992-3-31 6770 Riverside Santa Ana Mountains; on Elsinore Peak. 1014 Comment
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  CLARK-A1528-289  Santolina chamaecyparissus Oscar F. Clarke 1973-5-29 OO 112 Riverside Riverside 274 Comment
  RSA0097961  Sarcostemma crispum Duncan S. Bell 2014-11-14 7712 Riverside Santa Rosa Mountains; in the Santa Rosa Mountains Wilderness area; west side of Martinez Mountain; along the Cactus Spring Trail, about 1 air mile northwest of Cactus Spring. 1217 Comment
  JOTR32022  Sarcostemma hirtellum La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2252 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; sandy ramps at base of Pinto Mountain (Stop 1) 504 Comment
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  SEINET4566951 Image available Sarcostemma hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10/ SR 111. Bajadas, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR142859  Sarcostemma hirtellum P. A. Munz 1949-4-12 13041 Riverside Sonoran (Colorado) Desert, near Iron Chief Mine, north end of Eagle Mtns. 793 Comment
  NY43366  Schismus barbatus C. R. Annable 1995-3-10 2265 Riverside 1.6km S of Lake Cahuilla County Park Comment
  RSA778255  Schismus barbatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 921 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR112956  Schismus barbatus B. G. Pitzer 1998-3-1 3547 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 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
  UCSB9691  Schismus barbatus Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 miles from U.S. 60 Comment
  RSA91579  Schoenoplectus maritimus F. W. Peirson 1922-4-29 5376 Riverside Roadside ditch, Temecula, Riverside Co., California. Comment
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  RSA192103  Scrophularia californica subsp. floribunda E. W. Lathrop 1960-6-8 4931 Riverside 14 miles west of Murrieta Comment
  RSA425197  Scrophularia californica subsp. floribunda J. D. Olmsted 1962-5-10 3631 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  CAS-BOT-BC341107  Scutellaria mexicana H. M. Hall 1905-4-1 5861 Riverside Colorado Desert. Near Canon [Canyon] Springs Comment
  POM13626  Scutellaria siphocampyloides E. C. Jaeger 1921-7-1 1048 Riverside Idyllwild, San Jacinto Mountains. Comment
  UC729883  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 3907 Riverside near Idyllwild (Point View); San Jacinto Mountains, Point View 1645 Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  UCR162545  Secale cereale John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  IRVC27401  Selaginella bigelovii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  RSA85934  Selaginella bigelovii Frank W. Peirson 1920-2-15 1530 Riverside Murray Canyon near Palm Springs Comment
  UC306711  Selaginella bigelovii I. M. Johnston 1918-4-3 1825 Riverside San Jacinto Canyon; San Jacinto Mts. 685 Comment
  UCR261512  Selaginella bigelovii Joseph Cahill 2011-1-8 111- 23 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UC1495242  Selaginella eremophila Robert T. Clausen and Harold Trapido 1940-6-18 4678 Riverside near Palm Springs (mouth of Chino Canyon); Salton Sea Basin, San Jacinto Mts. 457 Comment
  UC306702 Image available Selaginella eremophila I. M. Johnston 1917-4-4 1047 Riverside Palm Canyon 304 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
  RSA472962  Senecio flaccidus var. douglasii Erwin Miller, Jack Reupelt 1934-4-28 s.n. Riverside Pass between Lost Horse and Pleasant Valley. 1220 Comment
  CAS-BOT-BC364136  Senecio mohavensis Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2197 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  JEPS23577  Senecio mohavensis Peter H. Raven 1958-3-15 11851 Riverside Box Canyon 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
  SD229165  Senegalia greggii Dick Schwenkmeyer 2012-11-6 863 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SD258926  Senegalia greggii Sarah J. De Groot, Rachel Darney-Lane 2016-6-14 7905 Riverside Whitewater Canyon; along the Pacific Crest Trail, ca. 0.7 air mile south of Red Dome, ca. 1.1 trail miles northnorthwest of Whitewater Preserve, west of Whitewater River. 737 Comment
  SBBG112480  Senna armata C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  UCR198201  Senna armata Michael Honer, L. Hulse 2004-4-3 1909 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  CAS-BOT-BC438210  Sesuvium verrucosum B. Trowbridge 1979-4-16 6093 Riverside Whitewater River near mouth, south of Mecca. Below Sea Level. Comment
  RSA0006684  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6775 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  UCR216237  Sidalcea malviflora subsp. malviflora Mike Bell 2008-4-27 050 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  CAS-BOT-BC109430  Sidotheca emarginata Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto. Comment
  SD234993  Sidotheca trilobata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35622 Riverside Peninsular Range; San Jacinto Mountains: May Valley ca. 1.0 mi. WSW of Fleming Ranch (Idyllwild 7.5' Q) 1584 Comment
  CLARK-A1528-2463  Silene antirrhina John C. Roos 1941-4-25 177 Riverside Reche Canyon Comment
  RSA192157  Silene laciniata subsp. major E. W. Lathrop 1966-5-15 6301 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UC8484  Silene parishii H. M. Hall 1897-8-11 791 Riverside San Jacinto Mountains 3293 Comment
  CAS-BOT-BC202947  Simmondsia chinensis Paul F. Covel 1938-4-21 1178 Riverside East slope, Palms-Pines Hgwy. Comment
  RSA701092  Simmondsia chinensis Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11270 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
  SD80147  Simmondsia chinensis Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 354 Riverside Andreas Canyon, east slope San Jacinto Mountains 359 Comment
  UCSB39322  Sisymbrium altissimum Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment
  RSA68352  Sisymbrium altissimum G. R. Campbell 1951-5-30 16155 Riverside Northern end of Hemet Valley, San Jacinto Mountains. 1616 Comment
  RSA0094756  Sisymbrium orientale Jim M. Andre 2012-4-11 20798 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  SD140141  Sisymbrium orientale Scott White 1993-4-22 1222 Riverside North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SEINET7992210  Sisymbrium orientale Ana Lilia Reina G. 2003-3-30 2003 -321 Riverside Palm Canyon, Agua Caliente Indian Reservation, edge of Palm Spring NWbase of San Jacinto Mountains 274 Comment
  UC64086  Sisyrinchium bellum H. M. Hall 1897-4-10 432 Riverside Eden Hot Springs Comment
  RSA629021  Solanum americanum Scott D. White 1998-6-28 6789 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  SBBG126195  Solanum americanum A. C. Sanders 2006-5-11 32271 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel S of intersection on Collier Ave and Riverside Dr, NE of Alberhill Crk, NW of Enterprise Way 389 Comment
  UCR159246  Solanum americanum A. C. Sanders, Kelly Volansky 2005-8-31 31576 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  JEPS12119  Solanum elaeagnifolium Carl V. Meyer 1928-5-25 410 Riverside Colorado Desert, Coachella Coachella; Colorado Desert, Coachella Comment
  UCR1472  Solanum elaeagnifolium Joan Palladino 1961-5-16 s.n. Riverside Riverside, Linden St. between dorms and Florida Street, on Canyon Crest Side of road in wash Comment
  UC1584071  Solanum rostratum Steve Boyd 1988-7-24 2858 Riverside ne of Lake Mathews (El Sobrante Road at junction with Mockingbird Canyon Road) Comment