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
  UCR131459  Abies concolor June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  UCR64827  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 08 Riverside Santa Rosa Mtns., Stump Spring Campground 2348 Comment
  JEPS61238  Abronia villosa Mary Beal 1939-10-25 707 Riverside Between Coachella Palm Springs; Mojave Desert Comment
  RSA701495  Abronia villosa M. Wall 1996-5-13 133 Riverside Hemet, Ramona Expressway/Mtn Ave. S of State St on W side of road at 7th St. 457 Comment
  SBBG27783  Abronia villosa D. Myrick 1964-4-30 813 Riverside Pines to Palms Hwy 74 at Palm Desert Comment
  UCD109820  Abronia villosa Geoffrey Levin 1975-4-5 461 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCD109831  Abronia villosa Rudolf Schmid 1962-4-29 s.n. Riverside Near Sunrise Way and Ramon Street, Palm Springs. Comment
  RSA278980  Abronia villosa var. aurita Barry A. Prigge, L. Martinez 1978-3-23 2430 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
Read comments
Sep 18 2008
  SD185251  Abronia villosa var. aurita T. B. Salvato, Kent Beaman 2005-5-16 80 Riverside San Jacinto Mountain foothills: San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  RSA48334  Abronia villosa var. aurita E. K. Balls 1949-4-4 12970 Riverside Near Salton Beach on Highway 111, Colorado Desert. -61 Comment
  UCR244443  Abronia villosa var. villosa Jim Andre 2012-4-16 20934 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  POM308641  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3208 Riverside Near Blythe. Comment
  RSA752817  Achillea millefolium A. C. Sanders, Tim Thomas 2008-8-1 35955 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  POM46953  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs. 137 Comment
  UC1131564  Achnatherum hymenoides H. S. Yates 1937-3-23 6414 Riverside near White Water; San Jacinto Quadrangle Comment
  RSA528884  Achnatherum latiglume M. Curto, Linda Allen 1991-6-26 766 Riverside Thomas Mountain, near former lookout tower site, summit road SW off San Bernardino NF Rd 5S15 2060 Comment
  SEINET260235 Image available Achnatherum lemmonii M. Curto, LS Allen 1991-6-26 768 Riverside San Bernardino National Forest ; San Bernardino NF Thomas Mt USFS Rd 6S13 ca 3km W of CA Hwy 74 1500 Comment
  CAS-BOT-BC384715  Achyronychia cooperi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  CAS-BOT-BC384729  Achyronychia cooperi H. M. Hall 1905-4-1 5773 Riverside Colorado Desert. Indian Well 0 Comment
  POM183975  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  RSA797564  Achyronychia cooperi Baker, Michelle Cloud-Hughes 2011-12-18 17501 Riverside 67km WNW of Blythe, 17km west of Palen Pass, 27km NNE of Desert Center 175 Comment
  SEINET3071820  Achyronychia cooperi Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17501 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  SBBG28073  Acmispon argophyllus var. argophyllus D. Myrick 1964-4-30 829 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  SD37813  Acmispon argophyllus var. argophyllus Edith A. Purer 1935-4-21 6475 Riverside Near Palm Springs, western edge of the Colorado Desert Comment
  SDSU12918  Acmispon glaber var. brevialatus Jutta Buschbom 1991-6-1 35 Riverside Santa Margarita Ecological Reserve, Temecula: SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) from the fieldstation . Comment
  RSA0121046  Acmispon heermannii var. heermannii Duncan S. Bell, LeRoy Gross 2016-3-29 9121 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
  SD136845  Acmispon parviflorus Steve Boyd, Tim Ross 1992-5-5 7256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats along Serrano Spring drainage between Lucas Canyon Trail & junction of Bluewater & the Verdugo Trails, in opening in oak woodland, south of Serrano Spring 730 Comment
  UCR244431  Acmispon rigidus Jim Andre 2012-4-16 20964 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  JOTR35143  Acmispon strigosus La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3255 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  CAS-BOT-BC30915  Adenophyllum porophylloides R. S. Ferris; Rimo Bacigalupi 1958-3-19 13234 Riverside Gully ca. 0.5 mi. S of Styx siding near Midland, Rice to Blythe Road Comment
  UC1292306  Adenophyllum porophylloides C. L. Hitchcock and C. V. Muhlick 1964-3-22 23270 Riverside sandy wash a w end Pinto Basin; Joshua Tree National Monument Comment
  OBI6574  Agave deserti H. E. McMinn 1935-10-27 4047 Riverside E of Ribbonwood Palms to Pines Hwy Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
Read comments
Mar 25 2011
  RSA591753  Agrostis pallens E. W. Lathrop 1966-5-29 6377 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA681917  Agrostis pallens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 s.n. Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR27005  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR24960  Agrostis scabra A. C. Sanders 1980-8-23 1753 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR265592  Agrostis scabra Jordan Zylstra 2014-7-6 14019 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  UCR194216  Agrostis semiverticillata Scott D. White, Angelia Carey 2004-6-4 10470 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  SEINET3127797  Agrostis verticillata H. M. Hall 2252 Riverside Fuller's Mills Mountains; San Jacinto Mountains 1615 Comment
  UCR133415  Agrostis viridis Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 316 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  SEINET895382  Alhagi maurorum Dell O. Clark 1969-1 s.n. Riverside 2 miles west of Mecca, Coachella Valley Comment
  RSA0121063  Aliciella latifolia Duncan S. Bell, Thomas Stoughton 2016-3-16 8948 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA411796  Allenrolfea occidentalis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  CAS-BOT-BC434481  Allionia incarnata Carl B. Wolf 1932-4-28 3073 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. West of Blythe on the Mecca Road. 121 Comment
  UCR166863  Allionia incarnata Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  JEPS121591  Allionia incarnata var. incarnata Adam C. Schneider with Will Freyman 2014-2-16 386 Riverside Box Canyon Road. Comment
  POM368116  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  RSA366452  Allium fimbriatum var. fimbriatum N. C. Cooper 1944-4-20 1237 Riverside Pinyon Flats, Palms to Pines Highway. San Jacinto Mountains. 1220 Comment
  UCR60495  Allium fimbriatum var. fimbriatum A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6461 Riverside Santa Rosa Mtns., Pinyon Flats, 0.1 mi. south of Hwy 74 on the road to the refuse transfer station and the dolomite mine, south of the campground 1225 Comment
  JEPS61528  Allium haematochiton W. L. Jepson 1927-4-11 11719 Riverside near Banning (Beaumont); Beaumont Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  SEINET8467180 Image available Allium haematochiton M. McLeod, Keil, D. 1979-1 K 12872 Riverside Alberthill jct along Hwy 71 366 Comment
  RSA574748  Allium munzii Steve Boyd 1982-4-20 s.n. Riverside Gavilan Hills region, smal remnant of the Gavilan Plateau on ridge east of Estelle Mountain, south of head of Dawson Canyon. 671 Comment
  CAS-BOT-BC475412  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  CAS-BOT-BC475413  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UCR199647  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  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
  SD60432  Alnus rhombifolia Reid Moran 1964-7-27 11856 Riverside Canyon of Santa Margarita River, 2.5 miles south-southwest of Temecula 199 Comment
  UCR54451  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  UCR23285  Althaea rosea C. Filmer 1981-5-14 81- 19 Riverside c. 20 m west of Rustin Avenue between Minerva Court and Massachusetts Avenue, City of Riverside. 305 Comment
  UCR113544  Amaranthus albus Mitch Provance 1998-6-6 698 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR89979  Amaranthus albus Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SEINET998501  Amaranthus blitoides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-1 32496 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  JOTR30834  Amaranthus fimbriatus Andre, Jim, Tasha La Doux 2008-9-16 10706 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  UCR59715  Amaranthus fimbriatus A. C. Sanders 1989-9-19 9508 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA0104496  Amaranthus powellii Duncan S. Bell 2015-9-30 8659 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UC750627  Ambrosia acanthicarpa Lewis S. Rose 1946-12-24 46308 Riverside 5 mi e Cabazon 441 Comment
  UCR278879  Ambrosia confertiflora Mitch Provance 2012-7-17 712- 19 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  CAS-BOT-BC22596  Ambrosia dumosa Lewis S. Rose 1957-1-9 57020 Riverside Palm Desert 91 Comment
  JOTR28961  Ambrosia dumosa La Doux, Tasha 2005-3-30 1197 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  LA94842  Ambrosia dumosa T. A. Geissman; 1966-3-12 TAG- 31266 -FDA Riverside Box Canyon, E of Mecca Comment
Read comments
Sep 20 2013
  RSA655079  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  SEINET735848  Ambrosia dumosa L. R. Landrum 1998-12-24 9367 Riverside West Palm Springs exit of Hwy 10 across street from Motel 6 in small remnant of desert vegetation. Comment
  RSA775105  Ambrosia ilicifolia Duncan S. Bell, Michael Hee 2011-3-18 2048 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA93686  Ambrosia psilostachya F. W. Peirson 1920-12-29 5276 Riverside Murray Canyon near Palm Springs. 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
  OBI26016  Ambrosia salsola David J. Keil 1977-1-2 11932 Riverside Chiriaco Summit along I-10 between Indio and Blythe Comment
  UC1279727  Ambrosia salsola David B. Dunn and A. Folsom 1948-6-17 3800 Riverside at camp in Pushawalla canyon, by quad 2 Pushawalla Canyon Comment
  UC724134  Ambrosia salsola Aven and Ruth Nelson 1939-3-30 3346 Riverside between Mecca and Blythe (old highway) Comment
  UCR262462  Ambrosia salsola A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41505 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  LA212171  Ambrosia salsola A. Lee Haines; 1973-3-24 s.n. Riverside Whitewater River Canyon. 426 Comment
  RSA680518  Amelanchier pallida Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  IRVC26145  Amelanchier utahensis Art Whistler 1966-5-8 15 Riverside downstream from Lake Fulmor, Route 74. Peninsular Ranges/ San Jacinto Mountains 1585 Comment
  UC527313  Amelanchier utahensis C. B. Wolf 1931-5-11 Riverside near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  RSA92737  Ammannia coccinea J. C. Roos 1952-5-16 5672 Riverside 1 mile SE of Perris, San Jacinto river bottomlands. 427 Comment
  CAS-BOT-BC226261  Amsinckia intermedia A. C. Sanders; Nathan Moorhatch 2011-3-22 38787 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  SDSU18978  Amsinckia intermedia C. Matt Guilliams 2008-2-27 486 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  SEINET7073406  Amsinckia intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. 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
  UCR4153  Amsinckia intermedia R. H. Sauer 1965-2-28 s.n. Riverside Box Springs Mtns 366 Comment
  SBBG119454  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Alberhill Mtn, NW foot near Lake St at Alberhill 378 Comment
  POM9587  Amsinckia menziesii I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  RSA594767  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 988 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  POM368401  Amsinckia tessellata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA0091430  Amsinckia tessellata B. A. Prigge 1978-3-23 2419 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA782811  Amsinckia tessellata A. C. Sanders, Nathan Moorhatch 2011-3-22 38763 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  UCR256769  Amsinckia tessellata T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7878 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA0091470  Amsinckia tessellata var. tessellata J. Andre 2012-3-19 21313 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SBBG122771  Ancistrocarphus filagineus A. Parikh 1990-4-25 155 Riverside NNW slope, base of Gavilan Pk, S of Harford Sprinkg Co Park, 1.7 km N of Lake Mathews Drive9 km E of Gavilan Rd 637 Comment
  POM9765  Andropogon glomeratus Mary F. Spencer 1921-7-16 1693 Riverside In canyon near San Jacinto. Comment
  POM13084  Antennaria rosea E. C. Jaeger 1921-6-22 s.n. Riverside Long Valley. San Jacinto Mts. 2439 Comment
  UC485645  Antennaria rosea Charlotte M. Wilder 1909-8-3 1110 Riverside Whitewater Basin San Bernardino Mts., Whitewater Basin Comment
  SEINET9323908  Antheropeas lanosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  RSA651284  Antirrhinum coulterianum Marcy Keys 1981-5-16 68 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  UC2015551  Antirrhinum filipes A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15993 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  RSA689388  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR117339  Antirrhinum nuttallianum Mitch Provance 1998-3-22 255 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
  UCR199644  Antirrhinum nuttallianum Scott D. White, Justin M. Wood 2008-4-3 11788 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR214011  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37797 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR230912  Antirrhinum nuttallianum T. B. Salvato, Richard Camacho 2011-6-12 5485 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  POM354916  Antirrhinum nuttallianum subsp. nuttallianum H. Twining 1890-04 14769 Riverside Foothills [Riverside] Comment
Read comments
Oct 27 2011
  CLARK-A1528-1424  Apium leptophyllum John C. Roos 1953-5-9 5917 Riverside Riverside 259 Comment
  SBBG71703  Aquilegia formosa M. Lewis 1947-8-26 15 Riverside Dark Cyn 1981 Comment
Read comments
Jan 16 2012
  UCR27149  Arabis johnstonii T. P. Krantz 1982-4-22 S.N. Riverside San Jacinto Mtns., Pebble plain along bench east of Garner Valley, near Quinn Flats. 1372 Comment
  RSA629419  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19509 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR269229  Arctostaphylos glandulosa A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42002 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 just below (c. 0.2 km north of) turnoff to Poppet Flats 1276 Comment
  RSA629346  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-11-11 22547 Riverside Hwy 74, 25 km east of Hwy 79 Junction in Hemit. 1220 Comment
  RSA629446  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16573 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA125340  Arctostaphylos glandulosa var. adamsii P. H. Raven 1958-5-17 12958 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
Read comments
Mar 3 2013
  JOTR16667  Arctostaphylos glauca Hogan, J. 1974-6-8 68 Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  SD28097  Arctostaphylos glauca Carl B. Wolf 1932-5-25 Riverside SW of Beaumont in Bad Lands, 0.5 mi. SW of summit of Moreno Grade 609 Comment
  UC1929341  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  POM210098  Arctostaphylos glauca var. glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 Comment
  RSA633539  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22664 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633666  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21770 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633673  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20110 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633677  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20128 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633682  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21757 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633754  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16678 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633763  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21800 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  SEINET3101904  Arctostaphylos pringlei Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17374 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  RSA635650  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16647 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  UCR122531  Arctostaphylos pringlei subsp. drupacea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6681 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCSB4719  Arctostaphylos pringlei subsp. drupacea Newby, Ron 1959-5-16 Riverside 5 miles N of Idyllwild on trail to Mt. San Jacinto Saddle, 2 miles up the trail; San Jacinto Mountain Range 2590 Comment
  RSA635770  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16746 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635789  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16526 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  UC876487  Arctostaphylos pungens Munz and Johnston 1922-5-20 5491 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
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Mar 13 2011
  UCR3219  Arctostaphylos pungens V. L. McFarland 1964-5-3 s.n. Riverside San Jacinto Mtns., by the side of Lake Fulmor, south of Banning [on Hwy 243] 'el. 7000 ft. 1646 Comment
  UCR92376  Arctostaphylos pungens F. M. Reed 1928-7-10 6016 Riverside San Jacinto Mtns, Hillsides about Strawberry Valley, Idyllwild 1677 Comment
  RSA636179  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19474 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
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Jun 8 2012
  RSA636180  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19545 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  SDSU18354  Arctostaphylos rainbowensis C. Matt Guilliams 2007-6-21 372 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  SD135192  Arenaria macradenia subsp. macradenia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern flanks of Santa Rosa Peak Comment
  UC68528  Argemone munita H. M. Hall Apr 1905 5970 Riverside Colorado Desert, Chuckawalla Mountains Chuckawalla Mountains; Colorado Desert, Chuckawalla Mountains Comment
  JEPS48605  Argemone munita subsp. munita W. L. Jepson 1939-4-17 19162 Riverside about 2 mi e of Temescal Village (1 mi s of bridge over Temescal Creek on old road to Oak Grove, Temecula); Temecula 304 Comment
  JOTR33787  Aristida adscensionis La Doux, Tasha, Bill Truesdell 2007-11-9 2525 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA0018883  Aristida adscensionis Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6016 Riverside Chuckwalla Valley; approximately 17.5 air miles west of Blythe, on the south side of Interstate 10, about 0.4 air mile south of Wileys Well. 120 Comment
  RSA782352  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-18 121 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  UCR165823  Aristida adscensionis 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
  UCR244447  Aristida adscensionis Jim Andre 2012-4-16 20903 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA27422  Aristida adscensionis var. abortiva C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring. Comment
  RSA763990  Aristida californica Justin M. Wood, Dustin M. Ray 2010-10-21 2995 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCD56514  Aristida purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 121 Comment
  RSA638202  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  CLARK-A1528-5447  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  JOTR32835  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  SDSU6198  Artemisia dracunculus H. Wedberg 1962-7-28 980 Riverside About 7 miles from Hemet on the road to Moutain Center. 610 Comment
  RSA736852  Artemisia ludoviciana Scott D. White, Angelia Carey 2004-7-2 10595 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JOTR30293  Artemisia ludoviciana subsp. incompta Andre, Jim, Tasha La Doux 2007-9-6 8704 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  JOTR32843  Artemisia ludoviciana subsp. incompta La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  JOTR32844  Artemisia ludoviciana subsp. incompta La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  RSA338318  Artemisia tridentata Walter Wisura, L. Shultz 1982-5-25 s.n. Riverside San Jacinto Mountains, Pacific Crest Trail, south of Kenworthy 1372 Comment
  POM12973  Arthrocnemum subterminale I. M. Johnston 1922-5-19 s.n. Riverside Perris 457 Comment
  UCR91900  Asclepias californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18122 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  UC111250  Asclepias fascicularis H. M. Hall 1897-6-19 666 Riverside Kenworthy San Jacinto Mt. 1371 Comment
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Mar 25 2011
  UCR244921  Asclepias subulata Jim Andre 2012-3-19 21368 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  IRVC12864  Asparagus officinalis Steve Stadler 1966-3-26 032666 44 Riverside Found along the Gagu Canal .2 miles North of Blaine Street. 305 Comment
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Sep 29 2011
  UCR41736  Asphodelus fistulosus B. G. Pitzer 1986-3-18 BG 0060 Riverside University of California, Riverside. Botanic Garden 396 Comment
  POM11411  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills, near Riverside Comment
  RSA40608  Aster ascendens J. C. Roos 1946-9-14 3014 Riverside Thomas Valley 1375 Comment
  POM48847  Aster hesperius Mr Grout, S. Grout 1900-9-27 s.n. Riverside Cienega Comment
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Jul 4 2010
  UCR125297  Aster subulatus A. C. Sanders 2002-11-21 25631 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  POM179154  Astragalus acutirostris A. M. Alexander, Louise Kellogg 1941-5-6 2126 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  RSA0014460  Astragalus aridus Justin M. Wood, J. Miner 2010-4-29 1533 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  CAS-BOT-BC177513  Astragalus bernardinus Philip A. Munz 1949-4-11 13006 Riverside Near Conejo Well, north base of Eagle Mts., [Mohave] Mojave Desert 914 Comment
  CAS-BOT-BC177718  Astragalus crotalariae P. A. Munz; D. Keck 1922-4-8 4743 Riverside Colorado Desert. 1/2 mi. east of Indio -15 Comment
  RSA0014455  Astragalus didymocarpus Justin M. Wood, J. Miner 2010-4-29 1528 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  POM299592  Astragalus didymocarpus var. dispermus E. C. Jaeger 1945-4-15 s.n Riverside 5 miles East of Garnet. 213 Comment
  LA204925  Astragalus didymocarpus var. obispoensis C. B. Wolf; 1935-4-7 6301 Riverside Gavilan Hills region, 2 mi. SW of Perris 426 Comment
  RSA748521  Astragalus douglasii var. parishii Justin M. Wood, Brandy Wood 2009-6-13 888 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  SEINET10490024  Astragalus douglasii var. parishii Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7140 Riverside Scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild Road and hwy 74 on 74. Comment
  UC1563117  Astragalus douglasii var. parishii Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2998 Riverside Temecula Creek Cyn below Vail Lake dam (Vail Lake area); Temecula Creek Cyn below Vail Lake dam 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
  RSA0031393  Astragalus lentiginosus var. coachellae David Fraker, Aaron Sedgwick 2012-5-8 94 Riverside South of Hwy 111 along dunes at the base of the San Jacinto Mtns. 334 Comment
  UC126875  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater , Whitewater (Colorado Desert) 240 Comment
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Feb 1 2011
  UCR160704  Astragalus lentiginosus var. coachellae Michael A. Patten 1993-3-21 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, NE of intersection of Frank Sinatra Dr. & Portola Ave., near Dry Camp Siding, 'Cook St. interchange' project 61 Comment
  JOTR16676  Astragalus lentiginosus var. variabilis Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ALONG ROADSIDE TO STUBBE SPRING 1310 Comment
  POM13929  Astragalus nuttallianus var. imperfectus P. A. Munz, D. D. Keck 1922-4-9 4846 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  SEINET7063054  Astragalus nuttallii A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  SD134453  Astragalus pachypus var. jaegeri Craig Reiser 1990-7-1 Riverside Vail Lake, tip of peninsula jutting into lake from south Comment
  RSA751013  Astragalus palmeri Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52076 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  RSA645635  Astragalus pomonensis Scott D. White 1999-5-2 7284 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Sep 25 2007
  UCR228  Astragalus pomonensis Frank C. Vasek 1958-4-26 s.n. Riverside Palomar Mtn. Region, Hwy '71' [79], east of Temecula, east end of [Temecula Creek] bridge at E end of cultivated valley [Pauba Valley] 366 Comment
  UC81362  Astragalus sabulonum C. R. Orcutt 1891-4-24 Riverside Indio Comment
  RSA752218  Astragalus tricarinatus Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12582 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  SBBG56270  Athyrium filix-femina var. cyclosorum M. Lewis 1947-8-26 17 Riverside Dark Cyn 1981 Comment
  SBBG128628  Athysanus pusillus A. C. Sanders, T. W. Chumley 2013-4-2 40745 Riverside Temescal Cyn between Horsethief Cyn Rd and Hostettler Rd, near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR249834  Athysanus pusillus T. B. Salvato, John Lovio 2013-3-19 7358 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  JOTR35078  Atrichoseris platyphylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3529 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA444558  Atrichoseris platyphylla Walter Wisura 1988-3-13 4203 Riverside Box Canyon Comment
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Nov 3 2011
  RSA516912  Atrichoseris platyphylla Steve Boyd, Orlando Mistretta 1986-3-13 1454 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA779583  Atrichoseris platyphylla Duncan S. Bell 2009-3-7 15 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  POM278705  Atriplex canescens Grant D. Brown 1950-12-2 578 Riverside Temescal Wash at entrance to Cajalco Canyon, SE of Corona. 274 Comment
  RSA452445  Atriplex canescens H. de Faust 1932-4-27 s.n. Riverside Beaumont- Banning Pass Comment
  SFV11874  Atriplex 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-BC168528  Atriplex confertifolia H. M. Hall 1901-6-1 2002 Riverside San Jacinto Lake Comment
  OBI53316  Atriplex coronata var. notatior R. A. Johnson & G. A. Ruffner, G. A. Ruffner 1990-1 Riverside Comment
  RSA65390  Atriplex hymenelytra F. W. Peirson 1924-12-30 5415 Riverside Thousand-Palms Canyon, edge of Coachella Valley. 122 Comment
  UC1136250  Atriplex hymenelytra R. St. John 1931-1-5 170 Riverside 5 mi n Indio; Indio Quad., n of Indio Comment
  UCR260959  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 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
  POM278762  Atriplex lentiformis Grant D. Brown 1950-3-4 485 Riverside Approximately 10 miles N of Blythe on hyway #95 near water intake plant. 91 Comment
  RSA696719  Atriplex lentiformis Anonymous s.n. Riverside Colorado Desert. Comment
  UCR24187  Atriplex parishii John C. Roos 1937-8-17 1214 Riverside 5 mi west of Hemet [Hwy 74 near Homeland] Comment
  CLARK-A1528-5398  Atriplex patula subsp. hastata John C. Roos, Lucille Roos 1951-10-24 5339 Riverside Pedley 228 Comment
  JEPS59651  Atriplex polycarpa Mary Beal 1939-10-25 711 Riverside Palm Springs area , Palm Springs area (Mojave Desert) Comment
  UCR121168  Atriplex semibaccata D. E. Bramlet 1989-7-6 1935 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
  UCD169502  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
  UCR59230  Atriplex suberecta Jeri Hirshberg 1989-7-20 s.n. Riverside Peninsular Range, Diamond Valley, north of Newport Road 522 Comment
  RSA557356  Atriplex suberecta Julie Greene 1993-6-11 1362 Riverside North of levee, west of Davis road. 436 Comment
  RSA586139  Avena barbata D. L. Banks 1995-4-11 182 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail., 33 deg 26' 40''N-116 deg 58' 39''W. 829 Comment
  RSA0121599  Ayenia compacta Duncan S. Bell, LeRoy Gross 2016-3-29 9103 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  RSA77228  Ayenia compacta F. W. Peirson 1919-4-14 2069 Riverside Murray Canyon, near Palm Springs. Comment
  SD249125  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon to the north of Martinez Canyon, ca. 6.0 air miles southeast of the summit of Martinez Mountains. 394 Comment
  RSA486458  Baccharis emoryi Richard Noyes 1988-10-30 758 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  CLARK-A1528-166  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Riverside 259 Comment
  CDA23778  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509236 Riverside Temecula, 46062 Vista Del Mar, X Los Gatos. 0 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
  CAS-BOT-BC106736  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  LA203013  Baccharis salicifolia K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms-to-Pines Highway, 2 mi. above valley Comment
  UC893660  Baccharis salicifolia subsp. salicifolia Carl B. Wolf 1932-10-11 4274 Riverside 3/10 mi below, Morongo Wash, Little San Bernardino Mts. Colorado Desert San Bernardino County line; Colorado Desert, Little San Bernardino Mts., Morongo Wash 670 Comment
  SEINET946176  Baccharis salicina O. F. Clarke 1970-1 Riverside Botanic Gardens of the University of California, Riverside Comment
  UCD129398  Baccharis salicina A. C. Sanders; T. Tennant 1997-11-20 21619 Riverside Lake Skinner area: mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  SD60247  Baccharis sarothroides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells, Little San Bernardino Mountains 1220 Comment
  IRVC510  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-1 SJ 160 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  RSA48881  Baccharis sergiloides J. C. Roos, L. Roos 1949-9-17 4660 Riverside E side Whitewater Canyon, 2.2 mi. N of Hwy 99 [=I-10]; W side of Painted Hill. 612 Comment
  POM159821  Bahiopsis parishii E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  JEPS34796  Baileya pauciradiata L. M. Newlon 1922-4-8 423 Riverside e of Palm Springs Comment
  POM350660  Baileya pauciradiata George B. Grant 1906-4-20 6709 Riverside Palm Springs. Comment
  RSA8369  Baileya pauciradiata Mary F. Spencer 1920-3-12 216 Riverside Mecca. Colorado Desert -60 Comment
  CAS-BOT-BC106609  Baileya pleniradiata H. M. Hall; L. A. Greata 1905-5-1 5912 Riverside Near Palo Verde Comment
  CAS-BOT-BC106611  Baileya pleniradiata Carl B. Wolf 1932-4-27 3026 Riverside Colorado Desert, Mecca - Blythe Road, 3/4 mi. west of Utopia 152 Comment
  POM350770  Bebbia juncea Robert Gustafson 1981-4-7 1256 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  POM42457  Bebbia juncea Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  SEINET2047507 Image available Bebbia juncea Grace Sprague 1968-5-3 Riverside White Water Canyon Wash Comment
  UCR161438  Bebbia juncea A. C. Sanders, Mike Misenhelter 2005-9-20 31683 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UC729543  Bebbia juncea var. aspera Carl B. Wolf 1932-5-24 Riverside 1/2 mi below Fish Hatchery (Snow Creek Canyon, San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 548 Comment
  UCR267877  Bergia texana D. E. Bramlet 2006-5-25 4001 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, east of the San Jacinto River channel and north of Nuevo Rd. bridge 430 Comment
  SD229135  Bernardia incana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 646 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  CAS-BOT-BC412943  Bistorta bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  CAS-BOT-BC25658  Boechera pulchra Annie M. Alexander; Louise Kellogg 1941-5-19 2201 Riverside Colorado Desert. Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  UC667362  Boechera pulchra Annie M. Alexander and Louise Kellogg 1941-5-19 2201 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert 975 Comment
  RSA0123112  Boerhavia coccinea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9019 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
  RSA462667  Boerhavia triquetra C. M. Dammers 1924-10-6 s.n. Riverside Cottonwood Springs Comment
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Oct 13 2012
  UCR280428  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-10 5622 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, southern margin of Ford Dry Lake, c. 1 km NE of intersection of I-10 and Palen Dunes Rd 111 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
  UCSB42283  Bouteloua barbata Roos, John 1965-9-5 Riverside 10 mi W of Blythe Comment
  RSA701038  Bouteloua barbata var. barbata J. Travis Columbus, R. K. Benjamin, C. D. Columbus, M. D. Wall 1999-6-10 3206 Riverside U.S.A., California, Riverside Co., Valle Vista (just E of Hemet), along Bautista Rd. 0.8 rd. mi. E of jct. with Fariview Ave., area cultivated in citrus. 600 Comment
  JOTR16777  Bouteloua curtipendula Hogan, J. 1974-6-13 19 Riverside Joshua Tree National Park. QUEEN VALLEY, 1.9 MILES SOUTH OF PINE SPRING 1356 Comment
  UC1537149  Bowlesia incana Gordon H. True Jr. 1935-4-9 226 Riverside Box Springs 365 Comment
  POM9226  Bowlesia incana I. M. Johnston 1920-5-8 2263 Riverside Box Springs Grade Comment
  RSA800057  Brandegea bigelovii J. Andre 2012-3-19 21299 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  RSA0102674  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UC1922020  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR214413  Brassica tournefortii A. C. Sanders, Richard Dwerlkotte 2010-3-22 37512 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. ESE (98 deg. ) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 129 Comment
  RSA0063254  Brassica tournefortii J. B. Feudge 1927-2-25 1660 Riverside Coachella, Colorado Desert. Comment
  UC68943  Brickellia atractyloides H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs Colorado Desert 670 Comment
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Oct 9 2010
  LA203095  Brickellia californica W. E. Pequegnat; 1939-4-8 sn Riverside Santa Ana Mountains Comment
  SD82941  Brickellia californica C. W. Tilforth, John Dourley 1970-10-16 316 Riverside Road to Santa Rosa Mountain, along and above intermittent stream bed Comment
  SD137904  Brickellia desertorum Darin L. Banks, Steve Boyd 1995-10-17 776 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  UCR150643  Brickellia desertorum Bern Schwenn 1994-10-30 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains, Long Canyon; main canyon above narrows 976 Comment
  CAS-BOT-BC486544  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 Riverside Warm Springs Valley: Terra Cotta, Nichols Road Wetland at Alberhill Creek, 100 yards SE of the Durant RR siding, the site bordered along the NW 420 Comment
  SEINET239061 Image available Bromus arizonicus O. F. Clarke 1973-3-21 Riverside Riverside. Weed at the O.F. Clarke residence, 1012 Spruce Street. Comment
  CAS-BOT-BC149441  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 914 Comment
  CLARK-A1528-4533  Bromus carinatus John C. Roos 1953-4-15 5912 Riverside Riverside 259 Comment
  JOTR16773  Bromus diandrus Hogan, J. 1974-7-11 63 Riverside Joshua Tree National Park. 0.9 MILES EAST OF EUREKA PEAK 1584 Comment
  UC1131209  Bromus madritensis subsp. rubens A. Lewis Mar 1933 178 Riverside 2 1/2 mi s of Horseshoe Lake ((also found on Gavilon Peak)) 152 Comment
  UC1537242  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 107 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  UCSB18305  Bromus madritensis subsp. rubens Boyles, Robert 1964-5-10 Riverside Pinon Flats Public Campgrounds; 300 yds N of Hwy 75 1249 Comment
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Nov 22 2010
  RSA593913  Bromus tectorum Steve Boyd, Dave Bramlet 1996-4-19 8598 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR2260  Bromus trinii F. M. Reed 1906-3-17 917 Riverside Riverside: mouth of South fork of Arroyo Tequesquite 396 Comment
  GMDRC3745  Caesalpinia virgata J. Andre, T. La Doux 2009-3-1 11238 Riverside Little San Bernardino Mountains: 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. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  POM8989  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA161350  Caesalpinia virgata Percy C. Everett, Nick Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., LaQuinta western edge of Colorado Desert. 91 Comment
  RSA405287  Caesalpinia virgata N. C. Cooper 1944-5-20 2621 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  CAS-BOT-BC438490  Calandrinia ciliata A. C. Sanders; T. B. Salvato 2001-3-30 23874 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada. 366 Comment
  UCR123752  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCR228923  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-28 38818 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR250568  Calandrinia ciliata A. C. Sanders 2014-4-25 41069 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  SBBG120003  Calandrinia menziesii A. C. Sanders, K. Volansky 2005-3-17 29238 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  NY409588  Callitriche longipedunculata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau - Mesa de Colorado 609.6 Comment
  SD262253  Callitriche marginata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 27 Riverside Menifee Valley: Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. Large vernal pool. 430 Comment
  UC1200604  Calocedrus decurrens Peter Kamb 1945-2-18 23 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA741192  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  CAS-BOT-BC488538  Calochortus concolor B. D. Stark 1932-6-5 3711 Riverside Palms to Pines Road, San Jacinto Mountains 1219 Comment
  UCR178202  Calochortus plummerae Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 644 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  UCR217563  Calochortus plummerae Jeff B. Galvin 2008-6-18 70 Riverside Peninsular Ranges, western foothills of the San Jacinto Mountains, Potrero, Massacre Canyon 605 Comment
  UCR217567  Calochortus plummerae Jeff B. Galvin 2008-6-11 67 Riverside Peninsular Ranges, Western foothills of the San Jacinto Mountains, Potrero, 4.3 km south of Beaumont and ~ 1 km west of Highland Springs Rd. 750 Comment
  UCR60371  Calochortus splendens R. Balsamo 1989-5-7 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, The Nature Conservancy's Santa Rosa Plateau Preserve, 4.1 mi west of Hwy I-15 on Clinton Keith Rd., directly across the road from vernal pools 762 Comment
  RSA789352  Calochortus weedii Naomi Fraga, Linda Prince, Duncan Bell, Tom Kerrin-Torres 2009-6-17 2998 Riverside Bedford Road, bank above road. 793 Comment
  POM99048  Calycadenia tenella E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  SD45181  Calycoseris wrightii Helen K. Sharsmith 1952-4-11 4064 Riverside Northwest base of Chuckawalla Mountains, 7 miles south of Highway 60-70. 534 Comment
  CHSC109026  Calyptridium monandrum Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4537 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  JOTR30119  Calyptridium monandrum La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1685 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  SBBG28082  Calyptridium monandrum D. Myrick 1964-4-30 818 Riverside Hwy 74, 5 mi W of Palm Desert 213 Comment
  RSA788871  Calyptridium parryi Gary D. Wallace 2003-7-8 4031 Riverside Hidden Lake. Comment
  SD152879  Calystegia macrostegia subsp. intermedia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6695 Riverside Santa Ana Mountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR273978  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 12 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  UCR117648  Camissonia Scott D. White 1995-8-23 3586 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR214313  Camissonia bistorta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38406 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR250878  Camissonia bistorta S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1038 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR41541  Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA678226  Camissonia boothii subsp. condensata Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1095 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  RSA36358  Camissonia brevipes subsp. brevipes C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
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Oct 9 2010
  UCR103312  Camissonia brevipes subsp. brevipes George K. Helmkamp 1998-4-4 3159 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA314675  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55502 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 Comment
  RSA9347  Camissonia californica Mary F. Spencer 1920-3-29 1614 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  POM50372  Camissonia campestris subsp. campestris W. W. Eggleston 1924-3-8 19520 Riverside Hemet. 480 Comment
  UC140593  Camissonia campestris subsp. campestris C. F. Baker 1904-4-5 4115 Riverside Hemet Comment
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Jul 4 2010
  SEINET10936397  Camissonia cardiophylla David B. Dunn 1946-2-22 Dunn 1964 Riverside Mud flats dry, caked, split. All american canal catch basin from desert Washes. Oracopia mts ne of the salton sea. Very arid country. Comment
  CLARK-A1656-687  Camissonia claviformis subsp. aurantiaca Lois Ann Scott 1978-2-2 Riverside San Jacinto Mountains 152 Comment
  RSA186795  Camissonia confusa Peter H. Raven 1962-5-18 17763 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  RSA628479  Camissonia hirtella A. C. Sanders 1994-5-30 14594 Riverside Foothills NNE of Beaumont. 945 Comment
  RSA652359  Camissonia hirtella Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  UCR116854  Camissonia hirtella A. C. Sanders, Steven R. Hill 2001-5-4 24139 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA612853  Camissonia hirtella D. L. Banks 1997-3-29 1607 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA559415  Camissonia ignota Steve Boyd 1992-4-15 6865 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA585505  Camissonia ignota D. L. Banks, Steve D. Boyd 1995-5-9 366 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UCR120955  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23885 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR281240  Camissonia ignota Mitch Provance, Jeremiah George 2017-3-21 317- 60 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  RSA736315  Camissonia intermedia Scott D. White, Justin M. Wood 2008-3-25 11778 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA186572  Camissonia pallida subsp. hallii Peter H. Raven 1958-5-5 12884 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  RSA771702  Camissonia pallida subsp. hallii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4699 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65130 604 Comment
  RSA614234  Camissonia pallida subsp. pallida A. C. Sanders, P. Mackay, Tim C. Thomas, G. Helmkamp 1997-2-8 19674 Riverside Colorado Desert: Palm Springs, Indian Ave at Las Vegas Rd, below mouth of Chino Canyon. 188 Comment
  SEINET3093223 Image available Camissonia refracta Norman C. Cooper 1949-4-8 3284 Riverside Shaver's Summit east of Indio. Comment
  UCR29257  Camissonia refracta George K. Helmkamp 1983-3-24 383- 2 Riverside Chuckwalla Mtns, E base of the Mtns at Graham Pass Road 427 Comment
  SDSU3402  Camissonia strigulosa R. S. Suaw, T. Masquin 1957-4-1 Riverside 11 mi. w. Riverside; #5 Comment
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Mar 28 2014
  SDSU3329  Camissoniopsis bistorta H. Wedberg 1958-3-31 200 Riverside About 7.5 miles east of Hemet on road to Mountain Center. 561 Comment
  UC147158  Camissoniopsis bistorta H. M. Hall June 1901 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UC1228539  Camissoniopsis ignota C. L. Hitchcock and C. V. Muhlick 1962-3-16 22151 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UC1595616  Camissoniopsis intermedia Steve Boyd 1991-5-20 6273 Riverside nw Lake Elsinore (just inside Nat. For. boundary); Santa Ana Mountains, Cleveland Nat. For., Lower Rice Cyn 573 Comment
  SD155438  Camissoniopsis micrantha Craig Reiser 2001-3-20 Riverside Temecula, ca. 100 yards south of Pauba Road and ca. 300 yards west of Margarita Road. Comment
  SBBG61369  Camissoniopsis pallida L. R. Abrams 1903-4-6 3228 Riverside Cabazon Comment
  UC922783  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1940-3-21 884 Riverside at end of road Mohave Desert, Barker Dam (20 mi s of Twenty Nine Palms) 1322 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
  UCR35113  Cannabis sativa L. B. Ziegler 1974-9-14 535 Riverside Foothills of San Jacinto Mtns., canyon two miles south of Hemet 503 Comment
  SEINET6332637 Image available Carex abrupta P. Zika, Otting, N 2010-1 25241 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. Comment
  POM14386  Carex alma Phillip A. Munz 1922-6-30 5904 Riverside Santa Rosa Mountains. 1982 Comment
  SD232128  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  CAS-BOT-BC20710  Carex fracta D. E. Breedlove 1961-7-29 871 Riverside San Jacinto Mountains. Fuller Mill Creek where it crosses Riverside Highway #1. 1645 Comment
  SEINET7485220 Image available Carex fracta P. F. Zika, Nick Otting 2010-1 25298 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest 1910 Comment
  UC72160  Carex fracta H. M. Hall May 17 1901 - Jun 1 1901 2665 Riverside Strawberry Valley, San Jacinto Mountain 1600 Comment
  CAS-BOT-BC21918  Carex heteroneura F. M. Reed 1908-7-11 2498 Riverside San Jacinta Peak. 2743 Comment
  CAS-BOT-BC118509  Carex praegracilis Earl W. Lathrop 1959-4-26 4508 Riverside 14 mi W of Murrieta, Tenaja Plateau. Comment
  CAS-BOT-BC118511  Carex praegracilis Earl W. Lathrop 1964-5-24 5385 Riverside 14 mi W of Murrieta 548 Comment
  UCR213901  Carex praegracilis Scott D. White, Justin M. Wood 2009-5-22 12901 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA704864  Carex sartwelliana J. B. B. 1934-6-18 532 Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  UCR59761  Carex triquetra Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3069 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  SEINET7578801 Image available Carex triquetra Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6753 B Riverside Santa Ana Mountain, San Mateo Cyn Wilderness Area, Morgan Trail from Round Potrero W to jtn with Tenaja Tr in N-fork Bear Creek. 671 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
  UCR26491  Castilleja affinis subsp. affinis A. C. Sanders, S. Hagopian 1981-5-20 2137 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  POM12854  Castilleja applegatei subsp. martinii Philip A. Munz 1922-6-26 5834 Riverside Road to Santa Rosa. 1738 Comment
  POM307284  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n. Riverside Santa Rosa Mountains. Comment
  RSA0080320  Castilleja exserta subsp. exserta Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7360 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  CLARK-A1528-845  Castilleja foliolosa Fred B. Essig 1967-4-2 Riverside 761 Comment
  UCD122550  Castilleja foliolosa R. L. Smith 1948-3-25 s.n. Riverside 5 miles north of March Field. Comment
  SD136752  Castilleja minor subsp. spiralis Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7329 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  SEINET7063424  Castilleja subinclusa subsp. subinclusa A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on Benton Road. Tucalota Valley. UTM Zone 11, 502473mE, 3715016mN. (WGS84/NAD83). 564 Comment
  UCR105435  Caulanthus heterophyllus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20682 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  SD29582  Ceanothus cordulatus D. F. Howe 1941-6-8 1106 Riverside Strawberry Creek, San Jacinto Mts. Comment
  POM262870  Ceanothus crassifolius J. C. Roos 1941-2-1 225 Riverside south of the ''Plateau'', Reche Canyon. Comment
  RSA398880  Ceanothus crassifolius N. C. Cooper 1947-4-5 2028 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA517100  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3019 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA570229  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7903 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
  SDSU10288  Ceanothus crassifolius A. H. Gallup 1947-10-30 77 Riverside 3.0 miles N of Rainbow. 732 Comment
  RSA720438  Ceanothus greggii var. perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 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
  SD127437  Ceanothus greggii var. perplexans Reid Moran 1969-10-25 16665 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  POM254881  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA263748  Ceanothus oliganthus E. W. Lathrop 1968-5-22 6905 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA95353  Ceanothus oliganthus F. W. Peirson 1931-5-30 9380 Riverside Along Glen Ivy Trail to Santiago Peak, Santa Ana Mts. 762 Comment
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Oct 1 2011
  UC473561  Ceanothus oliganthus var. sorediatus John Thomas Howell 1931-5-30 6606 Riverside Santiago Peak Trail Santa Ana Mts. Comment
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Sep 19 2010
  CAS-BOT-BC51645  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7893 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  SJSU15170  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR89467  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7893 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  RSA678975  Ceanothus tomentosus Scott D. White, Michael Honer 2003-6-3 9452 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CAS-BOT-BC77630  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Gilman Ranch in the foothills No. of Banning 853 Comment
  POM11972  Celtis reticulata Bonnie C. Templeton 1920-04 11972 Riverside Gilmans Water Canon, Banning. 915 Comment
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Mar 13 2011
  CLARK-A1528-178  Centaurea cyanus Ted R. Turk 1971-5-16 Riverside 380 Comment
  UCR94643  Centaurea melitensis Scott D. White 1996-5-27 4076 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA654620  Centaurea melitensis Starr Streight 1982-4-17 51 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
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Feb 24 2013
  RSA561419  Centaurea solstitialis Steve Boyd 1992-9-9 7690 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA734492  Centaurium venustum subsp. venustum M. Wall 2008-6-20 487 Riverside San Jacinto River east of Hemet off Hwy 74 just east of confluence with the North Fork; 637 Comment
  RSA735908  Centromadia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-6-24 12283 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  JOTR33968  Centrostegia thurberi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2854 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
  HSC78735  Cerastium glomeratum A. C. Sanders, T. Glenn 1983-4-17 3738 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UCR265602  Cerastium glomeratum Jordan Zylstra 2014-3-18 14003 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA607916  Ceratophyllum demersum L. C. Wheeler 1961-6-24 7912 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA575081  Cercocarpus betuloides Steve D. Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, eastern flank of the range in Santa Rosa Canyon, along Santa Rosa Road adjacent to small, old quarry. 610 Comment
  RSA772862  Cercocarpus betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4816 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
  UC859420  Cercocarpus betuloides var. betuloides I. W. Clokey, E. G. Anderson 1935-4-16 6732 Riverside e of Hemet 600 Comment
  UCR91601  Cercocarpus betuloides var. betuloides D. L. Banks, Steve Boyd 1995-3-16 0109 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, north of Wildhorse Peak, on the Wildhorse Trail 625 Comment
  CAS-BOT-BC276379  Chaenactis carphoclinia L. R. Abrams 1926-3-26 11009 Riverside Palm Springs Comment
  UC1922718  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1385 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  UC894417  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1941-4-4 5948 a Riverside Pinto Basin Comment
  JEPS23578  Chaenactis fremontii P. H. Raven 1958-3-16 11861 A Riverside Smoketree Wash; Joshua Tree National Monument Comment
  RSA775626  Chaenactis fremontii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1006 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets 396 Comment
  UCSB33602  Chaenactis fremontii Simmons, Karen 1979-3-25 Riverside Just south of Cottonwood Springs, 30.5 mi. south of White Tank Campground on Pinto Basin Road, Joshua Tree National Monument 152 Comment
  SEINET3224410  Chaenactis glabriuscula G. Goodwin 2012-6-15 3464 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR132915  Chaenactis glabriuscula 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
  UCR80808  Chaenactis glabriuscula Scott D. White 1993-5-29 1449 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA278485  Chaenactis glabriuscula var. glabriuscula John F. Emmel 1977-6-26 573 Riverside San Jacinto Mts, flat area 0.1 air mile WNW of Vista Grande Ranger Station, ESE of Ranger Peak 1500 Comment
  UC31038  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2056 Riverside vicinity of Chalk Hill; San Jacinto Mountains, Chalk Hill 1524 Comment
  UC34689  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-4-1 Riverside near (Box Springs Mt.) Riverside; Box Springs Mt., Riverside Comment
  UC63019  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-5-1 Riverside West Riverside Comment
  UCR122543  Chaenactis glabriuscula var. glabriuscula George K. Helmkamp, E. A. Helmkamp 2001-5-20 6673 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR96275  Chaenactis glabriuscula var. glabriuscula Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Along creek, just SE of Hogbacks 328 Comment
  RSA776767  Chaenactis stevioides Amber Swanson 2011-4-8 381 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SD247316  Chaenactis stevioides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7303 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  UC1563113  Chaenactis stevioides Steve Boyd and Orlando Mistretta 1986-3-13 1426 Riverside ne of Desert Center (jtn of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UCR245963  Chaenactis stevioides Duncan S. Bell 2009-3-8 80 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  UC56534  Chamaesyce albomarginata E. A. Zumbro Oct., 1902 300 Riverside Riverside Comment
  JOTR35009  Chamaesyce micromera La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3111 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA645643  Chamaesyce parishii Scott D. White 1999-4-20 7279 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  CDA35263  Chamaesyce polycarpa M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  JEPS19344  Chamaesyce polycarpa I. W. Clokey and B. C. Templeton 1930-4-9 4675 Riverside n Palm Springs; Colorado Desert 180 Comment
  JEPS52381  Chamaesyce polycarpa Mary Beal 1939-10-25 708 Riverside Mojave Desert, Palm Springs area Comment
  RSA793529  Chamaesyce polycarpa Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3952 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  RSA798153  Chamaesyce polycarpa Marc Baker, Michelle Cloud-Hughes 2011-12-18 17504 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SFV7071  Chamaesyce polycarpa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 771 Riverside Big Wash, just north of Quien Sabe Point at east end of county. 116 Comment
  RSA770640  Chamaesyce polycarpa var. hirtella R. F. Thorne 1966-10-15 41778 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA611960  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1952-10-30 7011 Riverside University of California at Riverside: Citrus Experimental Station. Comment
  CDA4802  Chamaesyce prostrata Steve Boyd 1989-7-9 3781 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA741113  Chamaesyce serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  JOTR30297  Chamaesyce setiloba La Doux, Tasha, Jim Andre 2007-9-6 131 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  CLARK-A1528-3806  Cheilanthes californica John C. Roos 1952-4-9 5499 Riverside Riverside 380 Comment
  UC1746476  Cheilanthes clevelandii A. C. Sanders with Mitch Provance and E. J. Lawlor 2000-1-23 23312 Riverside summit of Black Mt. (Lake Skinner area); Lake Skinner area 915 Comment
  CAS-BOT-BC70035  Cheilanthes covillei Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colo. Desert Comment
  JOTR35350  Cheilanthes covillei Andre, Jim 2012-4-11 20693 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA614527  Cheilanthes covillei A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15781 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  SEINET903948  Cheilanthes covillei Scott D. White 1996-1 4460 Riverside Idyllwild Area: Alvin Meadows and unnamed canyon upstream. San Jacinto Mountains. USGS Blackburn Cyn 7.5 topo (immed. Adjacent to Idyllwild topo) 1525 Comment
  UC1286694  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-25 Riverside Andreas Canyon Palm Springs Comment
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Apr 16 2011
  IRVC18651  Cheilanthes parryi Sandy Knapp 1979-4-12 s.n. Riverside Palm Springs; Chino Canyon. Sonoran Desert Comment
  RSA685818  Cheilanthes parryi Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  POM9750  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  CAS-BOT-BC70380  Cheilanthes viscida Rateaver 1944-2-21 69 Riverside Tahquitz Canyon, Palm Springs Comment
  POM9932  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  RSA667299  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  UCR242659  Chenopodium berlandieri A. C. Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  UCR114616  Chenopodium berlandieri var. zschackei Mitch Provance 2000-9-1 2223 B Riverside Juupa Mtns., Belltown/Rubidoux area, along the RR tracks on the E side of Rubidoux Blvd at the SW side of Crestmore Hill (Riverside Cement Company). 274 Comment
  UCR113788  Chenopodium giganteum A. C. Sanders, Mitch Provance 2000-10-4 23716 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  UCR114326  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside, Prenda area, south side of Hermosa St., c. 0.25 mile west of the intersection with Washington St. 610 Comment
  UCR213388  Chenopodium murale A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37447 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA653232  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley: along Dillon Rd. at junction with Tyler, north of I-10, E of Indio and N of Coachella. 5 Comment
  RSA666521  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-11-2 2294 Riverside North Riverside: Reid Park, ca. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CAS-BOT-BC231768  Chilopsis linearis Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  SD229112  Chilopsis linearis Dick Schwenkmeyer 2012-11-6 859 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
  UCR193910  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast; San Jacinto Valley, Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden 450 Comment
  UCR35195  Chilopsis linearis L. B. Ziegler 1966-9-13 089 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  UCR64098  Chilopsis linearis Karen Bellinfante 1989-6-1 01 Riverside San Jacinto, Soboba Rd 0.5 mi east of intersection with Sanderson (Hwy 79) 549 Comment
  UCD57938  Chloris virgata Malcolm A. Nobs; S. Galen Smith 1948-9-3 490 Riverside Imperial Valley, 2 miles north of Indio. Comment
  UCR2286  Chloris virgata F. M. Reed 1925-8-10 5136 Riverside Glen Avon, Granite Hill Ranch 183 Comment
  UCR96900  Chorispora tenella D. E. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m south of the intrersection of Florida Ave. and Warren Road, along Warren Road, on the W side of the road 457 Comment
  CLARK-A1045-297  Chorizanthe brevicornu George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  JOTR31924  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2166 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  SD73617  Chorizanthe brevicornu var. brevicornu Helen V. Witham 1970-4-29 828 Riverside sandy flat; 24.3 miles east of Lake Hemet, Hwy 74 395 Comment
  UC849185  Chorizanthe brevicornu var. brevicornu I. W. Clokey 1935-4-17 6595 Riverside Cottonwood Springs Comment
  UCR245230  Chorizanthe brevicornu var. brevicornu Jim Andre 2012-3-19 21319 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UC472756  Chorizanthe brevicornu var. brevicornu Mary F. Spencer 1918-3-25 Riverside Colorado Desert Comment
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Jun 12 2012
  UCR116990  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR127500  Chorizanthe coriacea A. C. Sanders, D. Malueg 2003-5-8 26576 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR238217  Chorizanthe coriacea Mark A. Elvin 2005-5-24 4320 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  SJSU9098  Chorizanthe corrugata R. C. McGehee 1970-4-15 204 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  UCR24615  Chorizanthe leptoceras T. P. Krantz, G. Krantz, K. Berg 1980-4-24 s.n. Riverside San Jacinto River, one mile east of Valle Vista, just north of Highway 74 Comment
  SD262352  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417 65 Riverside Temescal Valley: Indian Wash, SW of I-15, S sie of De Palma Rd. 700-1100 ft WNW of inter. with Glen Eden Rd (Aberhill 7.5'Q) Habitat steadily encroached upon by enormous debris piles from the south since 2011. 366 Comment
  UC72686  Chorizanthe leptotheca Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR55275  Chorizanthe leptotheca Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  UCR260516  Chorizanthe parryi var. parryi T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7998 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  RSA585883  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-9 317 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA599417  Chorizanthe polygonoides var. longispina R. E. Riefner 1994-5-2 94 -355 Riverside Santa Rosa Plateau, ca. 2 mi from Clinton-Keith Rd on Tenaja Rd. Comment
  UCR189790  Chorizanthe polygonoides var. longispina Theresa Johnson 2006-5-10 084 Riverside Peninsular Range, Alberhill, old clay mine area off Coal Road, north of Terra Cotta 488 Comment
  SD138828  Chorizanthe polygonoides var. polygonoides Craig Reiser 1996-3-23 Riverside Murrieta; near creek; northeast of Baxter; east of Meadowlark Lane (mak 8/07) Comment
  RSA180403  Chorizanthe procumbens E. W. Lathrop 1959-5-29 4590 Riverside 14 miles W of Murieta. Tenaja canyon grassland back of Tenaja Guard Station Comment
  UCR77755  Chorizanthe procumbens Steve Boyd, Orlando Mistretta 1991-5-22 6294 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  UCSB1342  Chorizanthe rigida Graney, Don 1953-3-21 Riverside 13 miles east of Indio, Colorado Desert Comment
  RSA543829  Chorizanthe staticoides Steve Boyd, Orlando Mistretta 1991-5-22 6296 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR100036  Chorizanthe xanti Scott D. White 1994-4-23 2045 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  SEINET10445998 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, and Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5km WNW of White Water, 20km NW of Palm Springs 456 Comment
  UCSB11821  Chrysolepis sempervirens Creighton, B. 1961-5-6 Riverside at upper end of road to Black Mtn. Lookout, which begins 6.5 miles northeast of Banning-IdylIwild road, 18.2 miles south of Banning, San Jacinto Mountains 2286 Comment
  UCR114936  Chrysothamnus nauseosus subsp. consimilis Dave Ezell 1999-7-8 01 A Riverside Corona (Home Gardens), Promenade St. 0.2 mi. west of McKinley, 70-80 ft. north of 91 freeway. (El Sobrante de San Jacinto Spanish land grant) 210 Comment
  RSA643806  Chrysothamnus paniculatus A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer, et al. 1996-11-9 19647 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (Air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo. 610 Comment
  RSA770313  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4403 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA93245  Chrysothamnus paniculatus F. W. Peirson 1920-12-29 2334 Riverside 1.5 miles E of Whitewater Station near Point of Rocks 305 Comment
  JEPS23431  Chylismia cardiophylla subsp. cardiophylla M. French Gilman 1845-1 716 Riverside Palm Springs of San Jacinto Comment
  UC1334735  Chylismia cardiophylla subsp. cardiophylla C. W. Tilforth 1967-2-12 110 Riverside side canyon off Painted Canyon (e of Mecca); Colorado Desert 0 Comment
  UC494673  Chylismia claviformis subsp. aurantiaca Philip A. Munz 1932-3-14 11995 Riverside Deep Canyon Coachella Valley 91 Comment
  UCR244729  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21346 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCSB12722  Chylismia claviformis subsp. aurantiaca Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon; near Los Angeles Aqueduct Road; Colorado Desert Comment
  UCR3249  Cirsium occidentale var. californicum Bob Brownell 1964-5-15 s.n. Riverside 4.5 mi from Washington Avenue, Colton, up Reche Canyon Rd 366 Comment
  SD113208  Cirsium occidentale var. occidentale Darley F. Howe 1941-6-9 1114 Riverside San Jacinto Mountains 1525 Comment
  UCR107789  Cirsium occidentale var. occidentale D. L. Banks 1997-5-5 1956 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  UC30798  Cirsium scariosum var. congdonii H. M. Hall 1899-5-1 Riverside Cahuilla Comment
  CAS-BOT-BC438857  Cistanthe monandra Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  POM182082  Cistanthe monandra P. A. Munz 1932-3-14 11978 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCR158089  Clarkia A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20683 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  CAS-BOT-BC171996  Clarkia epilobioides John Thomas Howell 1931-5-30 6591 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA180407  Clarkia epilobioides E. W. Lathrop 1965-5-30 5785 Riverside 6 miles W of Murrieta. Comment
  RSA525246  Clarkia epilobioides Steve Boyd, T. S. Ross 1990-5-11 4624 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR280618  Clarkia epilobioides Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 06 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR116863  Clarkia purpurea A. C. Sanders, Steven R. Hill 2001-5-4 24128 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA92747  Clarkia purpurea subsp. quadrivulnera J. C. Roos 1952-5-26 5716 Riverside Hass Ranch. Reche Canyon. 457 Comment
  JOTR35135  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  UC7946  Claytonia parviflora subsp. viridis H. M. Hall Jun 1901 2218 Riverside Onstatt's Valley; San Jacinto Mts. 1981 Comment
  RSA503419  Claytonia perfoliata subsp. perfoliata J. D. Olmsted 1962-5-10 3624 Riverside Coldwater Canyon, Corona city water supply 396 Comment
  RSA113854  Clematis lasiantha E. K. Balls 1956-3-26 21463 Riverside In Santa Ana Mountains, e. slope along Main Divide, Motorway between Indian Canyon and Trabuco. Alt. 4500 ft. 1372 Comment
  SD236390  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  POM363  Clematis pauciflora I. M. Johnston 1918-5-30 2025 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
Read comments
Aug 9 2010
  RSA556486  Cleome isomeris Julie Greene 1993-3-13 1050 Riverside West of Poleline Rd. 457 Comment
  SDSU10586  Collinsia concolor Gerald Collier 1951-5-26 Riverside 15 miles E of Hemet on state hwy 74, 25 yards from road. San Jacinto Mtns. San Bernardino National Forest. Comment
  UCR237211  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-10 983 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
  UCR44154  Collinsia concolor A. C. Sanders, B. Pitzer 1986-4-30 6477 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UCR16022  Collinsia heterophylla Kirk Taylor 1976-5-23 760523 17 Riverside Peninsular Range; Santa Ana Mtns., Mesa de Colorado, 9 mi west of Murrieta on Tenaja Rd. 549 Comment
  UCR48522  Collinsia heterophylla Steve Boyd 1986-4-22 1734 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR168612  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 578 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
  SD241165  Colubrina californica Dave Silverman, Mark Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km W of Black Creek Road, 5.8 km NE of McCoy Peak, and 7 km north of I-10 195 Comment
  RSA791581  Colubrina californica D. Silverman, M. Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km west of Black Creek Road, 5.8 km northeast of McCoy Peak, and 7 km north of I-10. 195 Comment
  SD124711  Condalia globosa var. pubescens Andy C. Sanders, Et al. 1986-3-1 6042 Riverside Chuckawalla Bench, W side of Chuckawalla Mtns, 9 miles S of Hwy I-10 on the gasoline road, 2 mi. airline S of the Model Mine. 579 Comment
  SEINET3080984 Image available Conium maculatum Unknown 1966-5-16 Riverside Specific location: Camp Evans. At the foot of the western side of Mt. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  RSA522703  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3890 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  CDA20751  Conyza sumatrensis R. W. Schaffer 2006-11-17 PDR 1262127 Riverside near Oasis St., Indio Ca. 0 Comment
  SEINET13682285  Cordylanthus rigidus J. VanDeventer 1903-1 15 Riverside San Jacinto Mountains. Comment
  JEPS6775  Cordylanthus rigidus subsp. setiger W. L. Jepson 1901-5-19 1269 Riverside on journey from San Jacinto River to Strawberry VAlley Upper San Jacinto Valley 609 Comment
  RSA0011007  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Ryan Parker 2010-6-1 1231 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 992 Comment
  RSA757614  Coreopsis bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4344 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  CAS-BOT-BC287078  Coreopsis douglasii F. A. M. 1936-3-20 s.n. Riverside Morongo Valley Comment
  POM80098  Corethrogyne filaginifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC1211956  Corethrogyne filaginifolia Otto T. Solbrig 1958-8-18 2759 Riverside on Hwy 78 2 mi w Temecula (w side of stream on road bank) Comment
  UCR278880  Corethrogyne filaginifolia Mitch Provance 2012-7-17 712- 20 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  CAS-BOT-BC56685  Coryphantha alversonii Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC291362  Cotula coronopifolia Philip A. Munz 1941-5-18 16665 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  CAS-BOT-BC291363  Cotula coronopifolia Steve Boyd 1986-4-19 1720 Riverside Warm Springs Valley, along Alberhill Creek drainage E of Nichols Road Comment
  SD90599  Crassula aquatica Robert F. Thorne, Earl Lathrop 1969-5-12 37923 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  SEINET7073458  Crassula connata 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
  UCR91551  Crassula connata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15920 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  CDA14402  Cressa truxillensis D. Domenigoni 1997-7-11 Riverside Lake Elsinore. 0 Comment
  RSA334997  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse. Comment
  RSA71017  Cressa truxillensis F. W. Peirson 1922-5-21 4254 Riverside near foot of Jack Rabbit Grade. (south of Moreno) 427 Comment
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Mar 20 2011
  SD253431  Cressa truxillensis Mitch Provance 2013-6-16 613 19 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, ca. 0.4 mile west of Van Buren. 226 Comment
  UC72144  Cressa truxillensis Miss M. Alice King May, 1893 Riverside Elsinore Comment
  UCD126226  Cressa truxillensis A. C. Sanders; D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Springs. 436 Comment
  RSA397720  Crossosoma bigelovii P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  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
  SEINET3083387 Image available Crossosoma bigelovii P. A. Rauch 1968-2-22 Riverside Cottonwood Canyon, San Bernardino Mts. Comment
  PASA1841  Croton californicus R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA697578  Croton californicus Wilma Griset 1931-3-29 s.n. Riverside Indio (Edon) Comment
  SD109129  Croton californicus Grady L. Webster, R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, hillsides above Aguanga. 640 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
  SD38453  Croton californicus Edith A. Purer 1935-4-21 6454 Riverside Desert floor, western Colorado Desert. Comment
  SEINET3089930 Image available Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of Hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad. 731 Comment
  UCR131532  Croton californicus Jennie Phui 1998-5-30 021 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  RSA588595  Crypsis schoenoides D. L. Banks, Steve Boyd 1995-10-17 806 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  RSA799815  Cryptantha D. M. Ray 2011-3-5 13 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  RSA780959  Cryptantha angustifolia Stephanie Rockwood, Christi Gabriel 2011-12-14 218 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  SEINET3083593 Image available Cryptantha angustifolia E. R. Blakley 1966-4-9 6756 Riverside 1 mi. W. Desert Center on US 60-70. 274 Comment
  UCR214279  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37498 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  VVC2472  Cryptantha angustifolia Tim Thomas 2013-3-18 5931 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  SD127607  Cryptantha barbigera David Charlton 1988-2-18 1133 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, 1 mile east of junction Dillon Road and Fargo Canyon Rd 609 Comment
  UCR102912  Cryptantha barbigera George K. Helmkamp 1998-4-4 3174 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCSB16538  Cryptantha barbigera Breedlove, Dennis 1962-3-11 Riverside Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  GMDRC2039  Cryptantha barbigera var. fergusoniae J. Andre 2006-4-26 6745 Riverside Little San Bernardino Mountains: Joshua Tree National Park: about 0.5 mi. NNE. of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary. Near 34.07623 deg. N 116.44711 deg. W. Elev. 4332 ft. 1321 Comment
  SD186129  Cryptantha corollata A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25853 Riverside Jurupa Mountains, hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  UCR132647  Cryptantha corollata D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR75100  Cryptantha costata A. C. Sanders, E. J. Lawlor 1992-4-3 12085 Riverside Sonoran (Colorado) Desert, 0.2 mi north of Hwy I-10 at the Wiley Well Rest Stop, c. 31 mi east of Desert Center. 122 Comment
  SBBG35066  Cryptantha decipiens T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR41531  Cryptantha dumetorum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  HSC3605  Cryptantha flavoculata R. A. Eagle 1964-3-28 19 Riverside 5 mi. out of Palm Springs on the Thunderbird Rd. Comment
  POM3895  Cryptantha intermedia L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA450444  Cryptantha intermedia J. C. Roos 1950-4-22 4746 Riverside Pigeon Pass Comment
  RSA594003  Cryptantha intermedia D. L. Banks, Elizabeth Hedge Banks 1996-5-2 935 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA674532  Cryptantha intermedia Scott D. White, Sandy Leatherman 2000-5-31 7990 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  SBBG37501  Cryptantha intermedia R. N. Muller 1967-4-8 3 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  SBBG6258  Cryptantha intermedia H. and M. Dearing 1939-12-31 4050 Riverside 5 mi N Palm Springs Comment
  SBBG89123  Cryptantha intermedia D. Hawks 1988-4-2 Riverside Tule Crk drainage, 1.75 air mi NE of Aguanga, SE of intersection of Dove and Sycamore streets, S of Hwy 371 762 Comment
  SDSU12932  Cryptantha intermedia Jutta Buschbom 1991-6-3 26 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
  UCR128916  Cryptantha intermedia A. C. Sanders, Mitch Provance 2001-4-5 23915 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR177150  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  POM369551  Cryptantha maritima E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Calif. Painted Canon. Comment
  RSA709894  Cryptantha maritima Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4595 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA779587  Cryptantha maritima Duncan S. Bell 2009-3-7 19 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCSB10421  Cryptantha micrantha Muller, Cornelius 1954-4-12 Riverside In Morongo Pass, south of Morongo Valley Comment
  UCR177331  Cryptantha micrantha var. micrantha Scott D. White, Michael Honer 2003-5-13 9242 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  RSA388332  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  UCR241930  Cryptantha microstachys A. C. Sanders, John F. Green 2013-3-27 40691 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  UCR157669  Cryptantha muricata A. C. Sanders, N. Ferguson 1994-6-2 14635 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UCR213400  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA0079104  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2010-4-2 703 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  RSA0079266  Cryptantha pterocarya var. pterocarya J. D. Olmsted 1958-3-30 89 Riverside A few miles north of southern entrance to Joshua Tree National Monument on Cottonwood Pass Road. 838 Comment
  JEPS67901  Cryptantha utahensis Marjorie D. Clary 1933-3-26 2073 Riverside Ebbens Creek Wash Santa Rosa Mountains 304 Comment
  CDA42234  Cucurbita foetidissima T. C. Fuller 1958-9-23 3926 Riverside 3 miles east of Anza. 0 Comment
  RSA0106721  Cucurbita palmata Duncan S. Bell 2011-9-30 2943 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  UCR215592  Cucurbita palmata Jim Andre, T. La Doux 2008-9-16 10705 Riverside Mojave Desert, Joshua Tree National Park, on the northeast end of Splitock Picnic Area 1327 Comment
  UCR124168  Cupressus forbesii June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  CAS-BOT-BC224606  Cuscuta californica var. papillosa Geo. B. Grant 1906-4-20 6705 Riverside Palm Springs Comment
  POM188621  Cuscuta ceanothi L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UC667263  Cuscuta denticulata Annie M. Alexander and Louise Kellogg 1941-5-23 2222 Riverside 3 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1066 Comment
  UCR266411  Cycloloma atriplicifolium D. E. Bramlet, Fred M. Roberts 2005-6-6 3872 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  POM12621  Cylindropuntia echinocarpa M. French Gilman 1922-4-9 s.n. Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  SEINET4391054 Image available Cylindropuntia echinocarpa Marc A. Baker 2013-3-10 17669 .2 Riverside 900m north of Chiriaco Summit, 48 km east of Indio; Hay?eld 7.5' USGS topographic quadrangle 545 Comment
  UCR41677  Cylindropuntia munzii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6147 Riverside Sonoran (Colorado) Desert, Arroyo Seco, along Bradshaw Rd., 5.2 mi west of Graham Pass Rd., south side of the Chuckwalla Mtns. 640 Comment
  UCD97943  Cylindropuntia ramosissima William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  SD64280  Cymopterus panamintensis var. acutifolius Darley F. Howe 1966-4-6 4162 Riverside Steep hillside near entrance of Joshua Tree National Muoument 825 Comment
  UC667318  Cymopterus panamintensis var. acutifolius Annie M. Alexander and Louise Kellogg 1941-5-26 2239 Riverside Colorado Desert, Eagle Mountains, Monsen Canyon Monsen Canyon; Colorado Desert, Eagle Mountains, Monsen Canyon 975 Comment
  RSA613629  Cynodon dactylon D. L. Banks, Victor Steinmann 1997-3-13 1488 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA737321  Cyperus eragrostis Justin M. Wood 2008-9-22 155 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA655215  Dactylis glomerata Scott D. White 1999-6-6 7450 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  JOTR37499  Dalea mollis Hodges, Stephen R., L. Ashfield 2016-1-20 628 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  UC73149  Dalea mollissima E. E. Schellenger 1904-12-3 99 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UCR52009  Dalea mollissima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  HSC25961  Datura wrightii R. W. Spjut 1972-1-20 2122 Riverside Colorado Desert, near Kaiser Mine 10 mi. N of Desert Center 305 Comment
  RSA0088549  Datura wrightii Phung Hoang 2016-4-9 18 Riverside LA basin, White water canyon reserve. 536 Comment
  UCR116919  Datura wrightii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24225 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR215517  Datura wrightii Daphne K. Christopher, Hannah I. Stevens 2003-4-4 094 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  SEINET7048151  Datura wrightii Steven R. Hill 2001-5-3 33652 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
  POM265809  Daucus pusillus J. C. Roos 1937-5-2 1399 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra [Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce., Owned by city of Riverside ca. 2000 Comment
Read comments
May 21 2009
  RSA703537  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -145 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  CAS-BOT-BC131032  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  CAS-BOT-BC131033  Deinandra paniculata Peter H. Raven; Sidney R. Snow 1956-6-30 9531 Riverside Dripping Springs Guard Station, Temecula River Comment
  CAS-BOT-BC523916  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -304 Riverside City of Riverside, Moreno Valley,Box Springs Blvd., at Sycamore Canyon Blvd., W of 215-Freeway 483 Comment
  RSA13191  Delphinium parryi E. R. Johnson 1935-5-5 6759 Riverside Gavilan Hills, Cajalco District. North Side of Carob Ranch. Comment
  RSA586484B  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 341 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR107818  Delphinium parryi subsp. parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  CAS-BOT-BC82955  Dendromecon rigida Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  UC1931201  Deschampsia danthonioides Scott D. White, Justin Wood 2008-6-19 12267 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  CAS-BOT-BC43096  Descurainia nelsonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9538 Riverside 2 miles from Cottonwood Springs, Cottonwood Mountains. Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  RSA162710  Descurainia pinnata John Olmsted 1958-3-29 88 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring roads. On the former now become Pinto Basin Road, Joshua Tree National Monument. 991 Comment
  RSA771761  Descurainia pinnata subsp. pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4638 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR201668  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-19 12272 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA433553  Dicentra chrysantha M. M. Thompson 1947-6-19 c- 2082 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC254516  Dichanthelium acuminatum subsp. acuminatum H. M. Hall 1901-6-1 2244 Riverside San Jacinto Mountains. North Fork 914 Comment
  IRVC57  Dichelostemma capitatum subsp. capitatum D. C. 1965-4-28 HS 0093 Riverside Palm Springs. Comment
  RSA34557  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-6-17 1441 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA367466  Dichelostemma capitatum subsp. capitatum Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  UCR251954  Dichelostemma capitatum subsp. capitatum Max Brodie 2014-4-20 26 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off South Main Divide Rd. roughly 3 miles south of Hwy 74 851 Comment
  CLARK-A1656-668  Dichelostemma pulchellum var. pauciflorum Lois Ann Scott 1978-4-10 Riverside San Jacinto Mountains 152 Comment
  RSA501064  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3181 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM122881  Dicoria canescens Marcus E. Jones 1924-12-10 s.n. Riverside Banning Comment
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Mar 13 2011
  POM356429  Dicoria canescens L. E. Hoffman 1932-11-26 17094 Riverside Beaumont - Banning Pass [San Gorgorino Pass] Comment
  RSA696746  Dicoria canescens J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  CAS-BOT-BC292248  Dieteria asteroides var. asteroides H. M. Hall 1901-8-1 2648 Riverside San Jacinto Comment
  SD115008  Dieteria canescens var. ziegleri Fred T. Sproul 1977-8-13 185 Riverside Along road to Santa Rosa Pk. At beginning of Pine-Oak Woodland (mak 11/07) Comment
  RSA522298  Digitaria sanguinalis Steve Boyd 1989-7-9 3768 Riverside City of Riverside. Comment
  RSA0019275  Dimorphotheca fruticosa Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  CAS-BOT-BC152267  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak 1234 Comment
  CAS-BOT-BC153101  Diplacus fremontii E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore 350 Comment
  RSA0019405  Diplacus fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi From Idyllwild on the road to Hemet. 1220 Comment
  RSA0019414  Diplacus fremontii J. T. Howell 1927-8-2 562 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  HSC95393  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, UCR Botanical Garden, near the W fence above the Latin American section 366 Comment
  RSA651790  Distichlis spicata var. stricta D. H. Wilken 1966-3-26 794 Riverside Hidden Palms Oasis in the Indio Hills. Comment
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA608169  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10054 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  GMDRC3100  Ditaxis neomexicana J. Andre, T. La Doux 2008-9-13 10261 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  SEINET3350031  Ditaxis neomexicana Stephen Hale 2012-1 4814 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe. 1850 Comment
  UCD84941  Ditaxis neomexicana Chuck Hughes 2010-3-24 213 Riverside About 12.7 miles south of Highway 62, next to railroad tracks. 281 Comment
  UCR167552  Ditaxis neomexicana Nancy K. Cione 2004-4-30 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, north of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  UCR33696  Ditaxis serrata Sears 1977-10-10 S 518 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  RSA530748  Dithyrea californica Martha Hilend 1928-3-9 63 Riverside Near White Water Bridge. Colorado Desert. Comment
  SFV4379  Dithyrea californica F. M. Ball 1964-1-4 66 1 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UC1279723  Dithyrea californica David B. Dunn 1948-3-14 3774 Riverside 5 mi s Indio Hills (near Hidden Springs Ranch); Colorado Desert Comment
  JEPS108466  Downingia bella Lisa Schultheis 1995-5-9 146 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  RSA781803  Draba cuneifolia Duncan S. Bell 2010-5-1 877 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCSB16236  Dudleya cymosa Hargreaves, Bruce 1963-5-5 Riverside 5.7 mi. SE of Pinyon Campground on California State Highway 74 762 Comment
  RSA708016  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside Santa Ana Mountains: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  CSUSB621  Dudleya lanceolata Joe Barrington Riverside Fairmount Park Fairmount Park [in city of Riverside, off Market Street near the 60 freeway], at west end of lake on grassy hillside. Comment
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Jun 2 2013
  SD212578  Dudleya lanceolata A. C. Sanders, T. B. Salvato and Kelly Volansky 2006-5-28 32628 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon/Scott road and north of Clinton Keith Rd. 579 Comment
  UCR150915  Dudleya lanceolata Valerie Soza, LeRoy Gross 1999-6-10 508 Riverside Santa Ana Mountains, Upper side of Indian Truck Trail, 2.5 miles from junction with Main Divide Motorway 976 Comment
  UCR3186  Dudleya lanceolata Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  UCR48404  Dudleya multicaulis Steve Boyd 1986-5-7 1846 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  CLARK-A1528-1172  Dudleya saxosa Paul M. Estes 1962-5-4 134 Riverside 1219 Comment
  CAS-BOT-BC109648  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 miles west of Mountain Center on Highway 74. 1219 Comment
  POM10338  Dyssodia porophylloides Charlotte M. Wilder 1907-4-8 715 Riverside Murray Canyon, Colorado Desert Comment
  SEINET10937686  Echinocactus acanthodes A. Evans 1976-4-13 Evans 5173 Riverside Rocky slopes of santa rosa mtns. Comment
  RSA779017  Echinocactus polycephalus var. polycephalus Duncan S. Bell 2010-4-1 677 Riverside Arica Mountains: east side of mountain range approximately 1.5 air miles northwest of Priests Well, and approximately 5.7 air miles southwest of the ghost town of Rice. 389 Comment
  RSA0125231  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4484 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  UCR242708  Echinochloa crus-galli Dagne Duguma 2013-7-7 s.n. Riverside Santa Ana River Basin, Prado wetlands near Corona 155 Comment
  SEINET3082987 Image available Echinocystis macrocarpa Norman C. Cooper 1947-4-4 2026 Riverside Los Alamos Canyon, Elsinore. Comment
  UCR85572  Echinodorus berteroi Julie A. Greene 1993-6-11 1364 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  RSA725941  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, south side 239 Comment
  UCR25217  Elatine brachysperma John C. Roos 1937-8-18 2538 Riverside San Jacinto Mtns, Hidden Lake Comment
  CAS-BOT-BC112922  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  UC485123  Eleocharis macrostachya Carl V. Meyer 1928-7-30 580 Riverside Saunders Meadow San Jacinto Mountains Comment
  RSA365449  Eleocharis montevidensis var. montevidensis L. C. Wheeler 1933-12-2 2312 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  CAS-BOT-BC113281  Eleocharis parishii Scott D. White 1995-6-29 3409 Riverside Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. 350 Comment
  SDSU14006  Eleocharis parishii Jonathan S. Austin, Michael G. Simpson 2002-4-20 21 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  HSC79579  Elymus condensatus Paul Bailey 1972-5-14 126 Riverside 6 miles NE of Temecula near Rancho California Drive, Tucalota Hills. 457 Comment
  UCR90379  Elymus condensatus D. L. Banks, Steve Boyd 1995-10-17 0779 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  POM14414  Elymus elymoides P. A. Munz 1922-6-28 5883 Riverside Santa Rosa Mountains. [San Jacinto Mountains] 2409 Comment
  RSA769710  Elymus glaucus E. W. Lathrop 1973-6-28 7438 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC38193  Elymus glaucus H. M. Hall July 1901 2455 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  UCR178345  Elymus glaucus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1049 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UC37038  Elymus trachycaulus H. M. Hall 1901-7-1 2541 Riverside Fuller's Mill Mts. San Jacinto Mountains 1798 Comment
  UCR2371  Elymus triticoides F. M. Reed 1904-6-5 167 Riverside Riverside, outlet to dam in Fairmont Park Comment
  RSA772583  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5045 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SBBG37505  Emmenanthe penduliflora var. penduliflora R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  CHSC108907  Encelia actoni Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald,L. Reccia 2010-4-13 4916 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
  UCR117103  Encelia actoni A. C. Sanders, T. B. Salvato 2001-5-16 24307 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR233573  Encelia californica A. C. Sanders, John F. Green 2012-3-26 39995 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  CAS-BOT-BC131331  Encelia farinosa J. H. Thomas 1949-2-28 61 Riverside Southern part of Palm Springs Comment
  LA88053  Encelia farinosa D. Dunn; 1948-1-1 3643 Riverside 1 mi. SE of Cabyon [Cabazon] in the Bannings Pass between San Jacinto Mountains and the San Goronio Mountains Comment
  SBBG52812  Encelia farinosa N. C. Cooper 1949-4-9 3325 Riverside Blythe 80 Comment
  SD229085  Encelia farinosa Dick Schwenkmeyer 2012-11-6 865 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
  SDSU16481  Encelia farinosa Ben Czerwiec, Taxonomy of California Plants class 2005-5-2 13 Riverside One quarter mile south of the 111 highway in a canyon facing the North. Individual slopes face east and west. Five to six miles east of Interstate 10. 457 Comment
  UCD131205  Encelia farinosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR100878  Encelia farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  SEINET10826151  Encelia farinosa David B. Dunn 1948-1-25 Dunn 3647 Riverside Found in ravine northeast of the top of the grade east of Riverside, California about 5 miles out. Comment
  POM289849  Encelia farinosa var. farinosa Lyman Benson 1933-3-31 4157 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto. 305 Comment
  SD224841  Encelia frutescens G. K. Helmkamp 1998-4-4 3132 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  SJSU126  Ephedra californica C. D. Duncan 1933-3-24 Riverside Palm Springs Comment
  JOTR31178  Ephedra nevadensis La Doux, Tasha, G. Clifton 2009-5-14 1976 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  CAS-BOT-BC81874  Ephedra trifurca Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13264 Riverside Northwest edge of sand dunes, 2.1 mi. S of Rice on road to Midland and Blythe Comment
  SD262323  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517 28 Riverside Menifee Valley: Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd and Murrieta Rd (Romoland 7.5'Q) 430 Comment
  RSA761224  Epilobium canescens Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 709 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC171727  Epilobium canum subsp. latifolium Carl B. Wolf 1940-10-31 9759 Riverside Colorado Desert, Cottonwood Springs, Eagle Mts. 289 Comment
  UCR94929  Epilobium ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  CLARK-A1528-7852  Epipactis gigantea John C. Roos 1948-5-15 3838 Riverside Eagle Mountains Comment
  RSA684637  Equisetum laevigatum Gale Sphon 1956-6-13 s.n. Riverside Hemet Meadow, Mountain Meadow Comment
  UCR211726  Eragrostis Fred M. Roberts, Ileene Anderson 2005-5-20 6206 Riverside Perris Basin, San Jacinto Valley, field 0.5 km west of Sanderson Road, 3.2 km southwest of Gilman Hot Springs 446 Comment
  UCR2385  Eragrostis cilianensis F. M. Reed 1903-12-18 320 Riverside Riverside, Bluffs Ranch (Bluffs Ranch was located along Arroyo Tequesquite at Chicago Ave.) 293 Comment
  UCR95413  Eragrostis curvula var. conferta D. L. Banks, E. H. Banks 1996-5-2 0965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn; Along Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road; along the west side of the road next to a citrus orchard 399 Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR26521  Eragrostis pectinacea var. pectinacea A. C. Sanders, S. Hagopian 1981-5-20 2154 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  UC68598  Eremalche exilis H. M. Hall Apr. 1905 5928 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  RSA4888  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3004 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  LA212268  Eremalche rotundifolia Lee Haines; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  POM12813  Eremogone ferrisiae P. A. Munz 1922-6-23 5789 Riverside 2 miles below Kenworthy, Hemet Valley. 1372 Comment
Read comments
Mar 25 2011
  CAS-BOT-BC160067  Eremothera boothii subsp. condensata Marcus E. Jones 1927-4-1 s.n. Riverside Keys Ranch, near Morongo Valley Comment
  GMDRC9796  Eremothera boothii subsp. condensata J. M. Andre 2017-3-1 37998 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  UCSB10040  Eremothera boothii subsp. condensata Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains, 1.5 mi S of the junc. of U.S. 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  RSA0123299  Eremothera chamaenerioides Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8985 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SEINET6059742  Eremothera refracta Unknown 1935-4-17 4563 Riverside West of Wiley Well. Comment
  JOTR33784  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  SD46075  Eriastrum densifolium subsp. austromontanum Peter Kamb 1950-7-9 1910 Riverside Banning-Idyllwild Road just below Vista Grande Ranger Station. 1463 Comment
  RSA0110540  Eriastrum densifolium subsp. austromontanum I. W. Clokey, E. G. Anderson 1935-8-21 6829 Riverside East of Keen Camp P. O. 1350 Comment
  UC1787317  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 138 Riverside San Jacinto Mountains: Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  UCR126170  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-5-15 100 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  CAS-BOT-BC514422  Eriastrum diffusum subsp. diffusum H. M. Hall 1905-5-1 5965 Riverside McCoy Wash: Colorado Desert Comment
  RSA0120671  Eriastrum harwoodii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 966 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  SDSU3047  Eriastrum sapphirinum Thomas A. Zink 1971-6-1 Riverside Along Indian Canyon Road. about 1/4 mile west of junction woth Temescal Canyon Road. 366 Comment
  UC1123879  Eriastrum sapphirinum H. S. Yates 1937-7-27 6702 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  UC52480  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside San Jacinto Mountains 1584 Comment
  UCR13882  Eriastrum sapphirinum J. Zabriskie 1973-8-15 375 Riverside Santa Rosa Mountains, Stump Spring 2348 Comment
  UCR260549  Eriastrum sapphirinum T. B. Salvato, Matt Malle 2014-5-29 8021 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  CAS-BOT-BC514946  Eriastrum sapphirinum subsp. brevibracteatum A. M. White 1974-6-4 1060 Riverside See lat/long (Project #74-671, site 4) Comment
  CLARK-A1528-705  Eriastrum sapphirinum subsp. dasyanthum C. M. Flanagan 1973-5-31 OO 617 Riverside Sunnymead 609 Comment
  UC1118700  Ericameria cooperi var. cooperi R. St. John and A. E. Wieslander 1929-1-25 6 Riverside mouth of Bautista Creek San Jacinto Quadrangle, Bautista Creek (near Plot 8) Comment
  POM13596  Ericameria cuneata E. C. Jaeger 1922-8-20 s.n. Riverside Long Valley to Palm Springs Trail 1372 Comment
  UC63168  Ericameria palmeri var. pachylepis H. M. Hall 1900-5-29 Riverside Comment
  UCR141252  Ericameria palmeri var. pachylepis A. C. Sanders, Kelly Volansky 2004-10-6 28818 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  CAS-BOT-BC299544  Ericameria paniculata P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument 1066 Comment
  SBBG62800  Ericameria paniculata R. H. Nordhoff 1940-11-10 612 Riverside near Thousand Palms Cyn Comment
  RSA594764  Ericameria parishii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 0987 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SD224831  Ericameria parryi Scott D. White 1996-8-16 4488 Riverside Idyllwild Area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.). 1707 Comment
  SEINET10915531  Erigeron David B. Dunn 1947-9-21 Dunn 3507 Riverside Stream (Springs) bed, wet sand. Pushawalla Canyon, just below the Palms by quad 7, Indio Hills. Comment
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  UCR122520  Erigeron divergens George K. Helmkamp, E. A. Helmkamp 2001-5-20 6687 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR49192  Eriochloa aristata A. C. Sanders 1985-12-22 5962 Riverside Sonoran (Colorado) Desert, Coachella Valley, 1/4 mi NW of Valerie Jean, west of Hwy 86 -30 Comment
  UCSB45569  Eriochloa contracta Roos, John 1963-8-10 Riverside Blythe Comment
  JOTR33772  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2926 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  RSA0099998  Eriogonum apiculatum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8571 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  RSA393051  Eriogonum apiculatum N. R. Zabriskie, Walter M. Zabriskie 1969-9-20 234 Riverside Forest Service road to Deer Springs Trail beyond end of road up west bank Strawberry Creek, above Fern Valley Corners, Idyllwild 1982 Comment
  RSA65230  Eriogonum apiculatum F. W. Peirson 1924-7-29 5026 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  RSA766409  Eriogonum apiculatum Joseph A. Ewan 1928-9-30 1519 Riverside Tahquitz Peak Trail, San Jacinto Mts. 2073 Comment
Read comments
Oct 23 2011
  SEINET4560254  Eriogonum apiculatum Louis Wheeler 1945-1 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  SEINET5328306  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  JOTR29159  Eriogonum davidsonii La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1235 Riverside Joshua Tree National Park. Key's view Comment
  POM13103  Eriogonum davidsonii P. A. Munz, I. M. Johnston 1922-5-20 5496 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UCR60526  Eriogonum davidsonii B. A. Prigge 1980-8-25 4021 Riverside San Jacinto Mtns, San Gorgonio Pass: 1 mi SE of Fingal siding, So. Pacific RR 445 Comment
  UCR82769  Eriogonum davidsonii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15777 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  SEINET6170721 Image available Eriogonum deserticola Marjorie D. Clary 1933-1 2021 Riverside Along the South shore of Salton Sea -76 Comment
  POM184161  Eriogonum elongatum M. French Gilman 1932-11-30 9 Riverside Cabazon. Comment
  RSA771751  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4613 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR176888  Eriogonum fasciculatum subsp. foliolosum Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  RSA0088968  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1967-5-26 11740 Riverside Snow Creek. 335 Comment
  CAS-BOT-BC249957  Eriogonum fasciculatum var. foliolosum A. M. White 1974-6-4 1367 Riverside Indian Road ca. 15 mi W. of Sun City Comment
  UCR91275  Eriogonum fasciculatum var. polifolium Scott D. White 1995-4-5 2707 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCSB1527  Eriogonum fasciculatum var. polifolium Hawkins, L. 1956-4-13 Riverside Water Canyon Comment
  CLARK-A1528-739  Eriogonum gracile Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains 1066 Comment
  RSA785072  Eriogonum gracile Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 80 Riverside Fobes Ranch road turn from Hwy 75 Comment
  UCD100119  Eriogonum gracile D. E. Bramlet 2000-8-30 3077 Riverside Shipley Reserve; the site is an ephemeral draiange 213 m south of Auld Valley Creek and 915 m east of the Bachelor Mtn. access road. 451 Comment
  UCR120541  Eriogonum gracile D. E. Bramlet 2000-8-30 3077 Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  RSA562608  Eriogonum gracile var. gracile Steve Boyd 1992-10-14 7718 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak. 976 Comment
  UCR166711  Eriogonum gracile var. gracile Scott D. White 2005-7-6 11158 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  CAS-BOT-BC257570  Eriogonum inflatum Roxana S. Ferris 1918-6-14 980 Riverside In Box Canon [Canyon], Chocolate Mts on Mecca-Blythe Rd. Comment
  RSA698434  Eriogonum inflatum J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  RSA339230  Eriogonum nidularium Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-23 53598 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  CAS-BOT-BC269756  Eriogonum nudum var. pauciflorum S. B. Parish; W. F. Parish 1881-7-25 973 Riverside Tockwich [Tahquitz], Summit San Jacinto Comment
  CAS-BOT-BC266940  Eriogonum parishii P. A. Munz; E. K. Balls 1952-8-21 17983 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  CLARK-A1528-3693  Eriogonum plumatella John C. Roos 1942-10-24 2573 Riverside Joshua Tree National Park Comment
  SBBG118  Eriogonum pusillum L. Rowntree 1928-3-20 Riverside Morongo Valley, N of Palm Springs Comment
  UCSB18462  Eriogonum pusillum Keith, Sheldon 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  UCSB9110  Eriogonum pusillum Ewan, Joseph 1929-3-23 Riverside Whitewater Cyn; Colorado Desert 457 Comment
  UC666502  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-28 2261 Riverside e Hayfield (on bank below Metropolitan Aqueduct Road) Comment
  RSA424916  Eriogonum saxatile E. C. Jaeger 1922-6-30 s.n. Riverside Tahquitz Peak, San Jacinto Mountains. 2652 Comment
  UC218027  Eriogonum saxatile P. A. Munz and I. M. Johnston 1922-5-7 5284 Riverside Dry Morongo Wash Little San Bernardino Mountains 457 Comment
  UCR243512  Eriogonum saxatile Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC263520  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles s.w. of junction with routes 60-70 Comment
  POM47240  Eriogonum thomasii Mary F. Spencer 1920-3-13 s.n. Riverside Mecca -60 Comment
  SBBG81717  Eriogonum thomasii S. A. Junak 1983-3-24 1661 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SD260122  Eriogonum thomasii J. Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cotttonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UC517551  Eriogonum thomasii John Thomas Howell 1928-3-24 3534 Riverside Painted Canyon Colorado Desert, Painted Canyon Comment
  UCR245954  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  RSA0119600  Eriogonum thomasii Lyman Benson, Robert Benson 1952-4-8 14855 Riverside 2 miles west of Shaver Summit east of Indio, U.S. 66. Drainage area: Colorado desert. 610 Comment
  CAS-BOT-BC262882  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Riverside. Fairmount Park 243 Comment
  RSA601446  Eriogonum thurberi Louis C. Wheeler 1932-9-4 1323 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC1618002  Eriogonum thurberi Donald G. Nelson 1936-5-22 384 Riverside on Pines-to Palms hwy at Ribbonwood Camp; San Jacinto Mts. Comment
  RSA0054869  Eriogonum trichopodum Keith E. Hoffmaster 1933-4-14 483 Riverside Between Palm Springs and Indio. Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  HSC80294  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, N edge of Gavilan Plateau, Gavilan Hills, shallow of the Gavilan Creek drainage 610 Comment
  LA207113  Eriogonum wrightii var. membranaceum F. H. Lewis; 1939-11-22 1026 Riverside 1523 Comment
  RSA450253  Eriogonum wrightii var. nodosum J. C. Roos 1965-9-26 s.n. Riverside Rocky point near Palm Springs Station. Comment
  UCR250710  Eriogonum wrightii var. nodosum John F. Emmel 1985-10-23 977 Riverside Southern Mojave Desert, Coxcomb Mountains, 0.1-0.2 air mi west-northwest of Peak 4416 1311 Comment
  CAS-BOT-BC297355  Eriophyllum confertiflorum Edmund C. Jaeger 1938-5-10 s.n. Riverside Stubby Springs, Joshua Tree National Monument 1219 Comment
  POM4924  Eriophyllum confertiflorum P. A. Munz 1918-4-27 2156 Riverside Temescal Canyon. Comment
  UCR172239  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  JOTR35450  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 54 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  SD134533  Eriophyllum multicaule Craig Reiser 1991-3-26 Riverside Harford Springs Park, Gavilan Plateau Comment
  POM358158  Eriophyllum wallacei Norman C. Cooper 1944-5-20 1246 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  RSA296853  Eriophyllum wallacei H. S. Yates 1937-3-23 6412 Riverside 3 miles N of Palm Springs 213 Comment
  RSA483567  Eriophyllum wallacei D. Charlton 1988-5-21 1942 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA678971  Erodium botrys Scott D. White, Michael Honer 2003-6-3 9457 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR269900  Erodium brachycarpum D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3655 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA470845  Eryngium Benton 1923-05 3574 Riverside Palm Springs. Comment
  UC1523678  Eryngium aristulatum var. parishii Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60649 Riverside s. side Mesa de Colorado (Santa Rosa Plateau); , Mesa de Colorado 625 Comment
  RSA530311  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-19 3681 Riverside Tahquitz Peak. San Jacinto Mts. 2651 Comment
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  CAS-BOT-BC110555  Eschscholzia Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  JOTR30146  Eschscholzia La Doux, Tasha 2008-2-4 1711 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  POM308634  Eschscholzia Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3215 Riverside Near Desert Center. Comment
  GMDRC5583  Eschscholzia androuxii Shannon M. Still 2008-2-14 252 Riverside Little San Bernardino Mountains: 835 Comment
  RSA0022955  Eschscholzia androuxii Ora M. Clark 1929-2-23 1564 Riverside North Whitewater. Comment
  UCD96465  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 A Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  UCD96501  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 514 Riverside California. Riverside County: Joshua Tree National Park. 1001 Comment
  UCD84931  Eschscholzia glyptosperma Chuck Hughes 2010-3-22 203 Riverside Near edge of Rice-Midland Road. 269 Comment
  CDA24567  Eschscholzia minutiflora T. C. Fuller 1963-4-23 10276 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.9 miles northeast of Mecca. 0 Comment
  NY43343  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  SBBG70173  Eschscholzia minutiflora Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  SBBG87721  Eschscholzia minutiflora S. Boyd with S. Meury, R. Noyes, L. Arnseth, T. Ross 1988-3-10 2116 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  UCR249659  Eschscholzia minutiflora T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7296 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
  JEPS51691  Eschscholzia parishii W. L. Jepson 1928-4-23 12549 Riverside wash 2 1/2 mi below Cottonwood Spring; Eagle Mts. 487 Comment
  RSA0024819  Eschscholzia parishii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4467 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR226790  Eschscholzia parishii Jim Andre 2011-2-9 15907 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
  UCR279520  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-27 43120 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  RSA0022915  Eschscholzia parishii I. M. Johnston 1917-4-4 1003 Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR129060  Eucalyptus A. C. Sanders, Mitch Provance 2001-4-5 23920 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCD103197  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside Riverside. UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on E side of campus. 335 Comment
  RSA0012604  Eucalyptus globulus Steve Boyd, T. S. Ross 1992-2-21 6670 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR199790  Eucalyptus tereticornis Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  UCSB42179  Eucrypta micrantha Roos, John 1958-2-21 Riverside Corn Springs, Chuckawalla Mtns. Comment
  UCR171914  Euphorbia albomarginata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR232028  Euphorbia albomarginata John F. Green 2008-4-15 0408- 02 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA0102792  Euphorbia lurida Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8586 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UCR23189  Euphorbia maculata S. Gallagher 1981-6-1 30 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  OBI14371  Euphorbia micromera Robert F. Hoover 1966-10-15 10160 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  UCR28985  Euphorbia micromera A. C. Sanders 1982-12-19 3452 A Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  JEPS26605  Euphorbia palmeri Peter Kamb 1948-7-4 1166 Riverside Hall Canyon; San Jacinto Mts 1645 Comment
  RSA432444  Euphorbia palmeri Albert J. Perkins 1916-9-2 s.n. Riverside Idylwild Comment
  RSA499150  Euphorbia palmeri C. Epling, Wm. Robison 1935-6-30 s.n Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  UCR97254  Euphorbia polycarpa Scott D. White, Julie Greene 1997-3-12 4787 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  RSA432472A  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-4-8 1092 Riverside Andreas Canyon. 305 Comment
  UCD142719  Euphorbia polycarpa var. hirtella Geoffrey Levin 1975-4-5 464 Riverside Indio Hill Mountain Range. Jcn. of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR272198  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  UCR5297  Euphorbia setiloba O. F. Clarke 1966-10-5 661005- 04 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR89707  Euphorbia setiloba J. M. Stewart 1990-10-28 667 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  RSA600225  Euphorbia supina L. C. Wheeler 1960-5-12 7703 Riverside University of California at Riverside. Comment
  RSA675734  Euphorbia supina Scott D. White 2001-6-22 8599 Riverside Corona: Bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 381 Comment
  UCR163890  Eustoma exaltatum B. G. Pitzer 2001-8-19 4345 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  POM320335  Euthamia occidentalis Patricia Wilder 1970-10-30 4827 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  POM182066  Fagonia laevis Philip A. Munz 1932-3-14 11982 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  RSA651719  Fagonia laevis Viki Cruz 1983-5-8 19 Riverside one mile into Magnesia Canyon, Santa Rosa Mts. Comment
  UCR75058  Fagonia laevis A. C. Sanders, E. J. Lawlor 1992-4-4 12086 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB19496  Fagonia laevis Winn, Will 1963-4-8 Riverside State Highways 60-70; 39.4 miles W of Desert Center Comment
  CAS-BOT-BC173165  Fagonia pachyacantha Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah De Groot; Valentin Arvizu; Tim Thibault 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road... Comment
  CAS-BOT-BC56786  Ferocactus cylindraceus Geo. Lindsay 1954-4-1 2059 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  SEINET1004490  Festuca myuros T. B. Salvato, Kent Beaman 2005-1 831 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74 549 Comment
  RSA528883  Festuca occidentalis M. Curto, Linda Allen 1991-6-26 771 Riverside 3km SE of Pine Cove on San Bernardino NF road 5S10. Comment
  UCR139180  Festuca octoflora Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek 427 Comment
  RSA629028  Ficus carica Scott D. White 1998-6-28 6793 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  RSA336170  Filago gallica R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51999 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  CDA5867  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  RSA115035  Forestiera pubescens E. K. Balls 1955-7-19 20974 Riverside Hwy, 74, 17 mi. se. of Mountain Center on road to Palm Springs. Comment
  RSA464881  Forestiera pubescens Bonnie C. Templeton 1930-4-15 1476 Riverside Near Gavilan Peak. 500 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
  HSC100858  Fouquieria splendens J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12778 Riverside Along Eagle Mountain Road. Comment
  SBBG13910  Fouquieria splendens E. R. Blakley 1962-11-25 5484 Riverside 1 mi W of Desert Center 274 Comment
  JEPS44673  Fragaria vesca Carl V. Meyer Jun 1927 195 Riverside San Jacinto Mt. Comment
  SBBG50235  Frankenia salina A. C. Sanders with K. Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Temescal Crk in Walker Cyn, at foot of Alberhill Mtn 378 Comment
  UCR110402  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23185 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA392141  Frasera parryi Anstruther Davidson 1876-6-7 s.n. Riverside Strawberry Valley. San Jacinto Mt. Comment
  RSA392145  Frasera parryi Albert J. Perkins 1916-8-4 s.n. Riverside Near Idyllwild, Fern Valley Comment
  UCR137358  Frasera parryi John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR178341  Fraxinus dipetala T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 139 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR134000  Fraxinus pennsylvanica subsp. velutina D. E. Bramlet 2003-5-28 3457 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  UCR178337  Fraxinus pennsylvanica subsp. velutina Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 651 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  SBBG119112  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA522707  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3894 -A Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR23170  Fritillaria biflora C. Filmer 1981-4-12 81- 18 Riverside Gavilan Hills, c. 25 m north of the S entrance to Harford Springs Co. Park. 579 Comment
  RSA583206  Funastrum cynanchoides var. hartwegii R. E. Riefner 1995-9-6 95 -350 Riverside El Cerrito, near Temescal Canyon Road, Climbing onn willows near Temescal Wash. 366 Comment
  UCR281533  Funastrum cynanchoides var. hartwegii Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 86 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  CAS-BOT-BC177362  Funastrum hirtellum Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11246 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial county line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at... Comment
  SEINET188336  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Sandy desert. Between Cottonwood Spring and Pinto Basin. Comment
  RSA740942  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-17 12184 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SEINET3076712 Image available Galium angustifolium B. Pitzer, H. Pitzer, J. Hall 1987-5-23 572 Riverside Whitewater Canyon, from N edge of fish hatchery to ca. 0.5 mi N of it; approximately 5.5 mi N of I-10 on Whitewater Canyon Rd. 732 Comment
  RSA34586  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-5-6 1186 Riverside Banning. 732 Comment
  UC219317  Galium angustifolium subsp. angustifolium P. A. Munz 1922-6-27 5858 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  JOTR16839  Galium angustifolium subsp. gracillimum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1676 Comment
  POM367765  Galium aparine N. C. Cooper 1944-5-21 1236 Riverside San Jacinto Mountains, West side 915 Comment
  RSA706289  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1280 -b Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JEPS74651  Galium nuttallii subsp. nuttallii Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4332 Riverside just n of county line s Temecula Comment
  RSA655211  Galium porrigens Scott D. White 1999-7-9 7536 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  POM367817  Galium stellatum H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  POM99011  Galium stellatum E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  JOTR31940  Galium stellatum var. eremicum La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2178 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  UCR26375  Garrya flavescens A. C. Sanders 1981-7-11 2204 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  CDA5294  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  RSA752813  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  POM122259  Gayophytum diffusum subsp. parviflorum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM259114  Gayophytum diffusum subsp. parviflorum P. A. Munz 1938-8-14 15360 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  CDA4079  Genista monosperma A. Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region.; Orangecrest area of southeast Riverside, 17120 Cole Ave. Comment
  CAS-BOT-BC303584  Geraea canescens Mrs. Robert Campbell 1921-11-26 5 Riverside Between Palm Springs and Indian Wells Comment
  JEPS30406  Geraea canescens Donald Kyhos 1957-3-29 57 -8 Riverside 3 mi E of Palm Springs (on Hiway 99) Comment
Read comments
Aug 28 2011
  UC17150  Geranium californicum H. M. Hall Jul 1901 2336 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  UCR123247  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  RSA776229  Gilia angelensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 875 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCR1075  Gilia angelensis Robert A. Hawthorne 1957-3-23 s.n. Riverside C.E.S. (Citrus Experiment Station, now UCR) in open places near water storage tanks 305 Comment
  UCR230589  Gilia angelensis Jeffrey Ross, Sam Lau, Jennie Phui 1998-5-31 091 Riverside San Bernardino Mtns., Morongo Indian Reservation; lower half of east fork of Lion Canyon, up to and just past 2nd fork 618 Comment
  RSA731011  Gilia australis Michael Wall 2008-4-4 455 Riverside San Jacinto Valley, Bautista Creek east of Hemet ca. 8.0 miles SE of junction with Fairview Ave. 778 Comment
  UCR93821  Gilia capitata P. J. MacKay 1996-6-15 005 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  POM13097  Gilia diegensis P. A. Munz, I. M. Johnston 1922-5-20 5484 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA0016290  Gilia diegensis Scott D. White, Justin M. Wood 2008-5-15 11979 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA783529  Gilia latiflora J. D. Olmsted 1958-6-15 175 Riverside Idyllwild School of Music and Arts, south of Idyllwild. In dry grassland near Strawberry Creek. 1524 Comment
  UC68704  Gilia latifolia H. M. Hall Apr., 1905 5791 Riverside 8 mi w Coachella; Colorado Desert, w of Coachella 30 Comment
  UCR84610  Gilia ochroleuca Scott D. White, S. Ogg 1994-4-21 2004 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0016287  Gilia ochroleuca subsp. exilis P. A. Munz 1927-5-21 10859 Riverside Coahuila. 1372 Comment
  SBBG101681  Gilia ochroleuca subsp. exilis S. Boyd 1986-4-19 1703 Riverside E side of Indian Wash between Interstate 15 and Temescal Cyn Rd; Temescal Cyn Comment
  RSA0017100  Gilia ochroleuca subsp. exilis H. M. Hall 1897-05 304 Riverside Hemet Valley. 1372 Comment
  SD119886  Gilia sinuata Louis B. Ziegler 1972-5-3 448 Riverside San Jacinto Mountains-Hemet (Garner) Valley. 1402 Comment
  RSA0123113  Gilia stellata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9020 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
  RSA749186  Gilia stellata R. F. Thorne, W. Wisura, Avi Shmida, R. Whittaker 1978-4-23 52018 Riverside Chino Canyon. Comment
  RSA774892  Gilia stellata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5028 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA775101  Gilia stellata Duncan S. Bell, Michael Hee 2011-3-18 2052 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  SEINET3163640  Gilia virgata var. dasyantha S. B. Parish 1907-4-19 6123 Riverside western border of the Colorado Desert 150 Comment
  RSA623566  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation, Vicinit of natural pond & bog at SE sdge of Burro Flats. 1098 Comment
Read comments
Dec 18 2009
  RSA32430  Gnaphalium beneolens N. C. Cooper 1943-10-9 952 Riverside Bracts white Comment
  UCR138833  Gnaphalium californicum D. L. Banks 1997-4-5 1671 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR165604  Gnaphalium californicum T. B. Salvato, John F. Green 2004-5-27 708 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
  RSA614233  Gnaphalium canescens A. C. Sanders 1994-7-28 15192 Riverside [Riverside/San Bernardino County] Colton and Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) Bridge downstream almost to Market St. Crossing. 246 Comment
  UCR143651  Gnaphalium leucocephalum Arlee Montalvo 2004-10-19 s.n. Riverside Peninsular Range, Temescal Canyon, near Glen Ivy Hot Springs, El Hermano Rd. at Temescal Wash, NE of I-15 and Temescal Canyon Rd. 305 Comment
  RSA192004  Gnaphalium luteoalbum E. W. Lathrop 1966-4-13 6166 Riverside 3 miles NW of Murrieta Comment
  UCR158136  Gnaphalium luteoalbum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30118 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
  POM12920  Gnaphalium palustre P. A. Munz 1922-6-30 5919 Riverside Santa Rosa Mts.: Santa Rosa. 1981 Comment
  UCR96861  Gnaphalium palustre Scott D. White 1993-4-30 1317 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  SDSU14192  Gnaphalium stramineum David Mabs 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. About a hundred yards up river from where Tornado Road crosses. 235 Comment
  UCR193886  Gnaphalium stramineum A. C. Sanders, Mitch Provance 2008-7-11 35801 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR202580  Gnaphalium stramineum Scott D. White, Justin M. Wood 2008-7-8 12403 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  POM159830  Grayia spinosa E. C. Jaeger 1926-4-15 s.n. Riverside Desert Queen Mine 1220 Comment
  RSA597056  Gutierrezia californica D. L. Banks, Lauren Raz 1996-11-5 1161 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  POM243635  Gutierrezia microcephala E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  RSA0104641  Gutierrezia sarothrae Duncan S. Bell 2014-11-14 7728 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  SBBG34497  Gutierrezia sarothrae D. Myrick 1969-10-19 2126 Riverside Palms to Pines St Hwy 74, above Palm Desert 609 Comment
  UC2029948  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR217554  Harpagonella palmeri Diane Menuz 2008-4-4 390 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  UCR281828  Hazardia squarrosa Mitch Provance 2017-8-9 817- 01 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SCE transmission Rd. on ridge just SW of El Casco Lake 643 Comment
  SEINET5553825  Hazardia squarrosa var. squarrosa H. S. Gentry 1972-1 23033 Riverside Gentry Ranch, 3.5 miles northeast of Murrieta. 426 Comment
  UCR126490  Hedypnois cretica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16291 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
  CAS-BOT-BC211541  Helianthemum scoparium John Thomas Howell 1928-7-8 1046 Riverside Santa Ana Mts. above Glen Ivy 1219 Comment
  RSA441799  Helianthemum scoparium var. aldersonii Ann Grove 1971-8-10 15 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murietta Comment
  CAS-BOT-BC305618  Helianthus californicus Ralph Hoffman 1929-9-7 s.n. Riverside San Jacinto Mt. 1828 Comment
  POM4823  Helianthus gracilentus I. M. Johnston 1918-5-30 2023 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR139635  Heliotropium curassavicum A. C. Sanders 2004-6-30 28404 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCSB39110  Heliotropium curassavicum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along Highway 111, Salton Sea -70 Comment
  UCD119423  Heliotropium curassavicum var. oculatum Jack Hall 1953-4-30 44 Riverside Desert Beach Resort, Salton Sea. Comment
  POM360278  Hemizonia fasciculata Robert Gustafson, Gary D. Wallace 1983-6-23 2720 Riverside along Clinton Keith Road, ca 2.5 miles from its junction with Highway 15, Santa Ana Mountains Comment
  UCR125212  Hemizonia fasciculata Mitch Provance 1998-5-5 520 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  POM360325  Hemizonia paniculata Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA532585  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, in an open ditch just east of Gateway farms. The site is just south of Newport Rd, at the Newport and Lucas Rd interesection. 517 Comment
  JEPS61971  Hesperocallis undulata W. L. Jepson 1927-4-14 11698 Riverside foothills s.e. end Santa Rosa Mts. (Silent Canyon); Colorado Desert, , Silent Canyon 304 Comment
  SBBG37288  Hesperolinon micranthum D. L. Banks, M. Kinney 1998-6-8 2220 Riverside Pechanga Indian Reservation along the Magee Truck Trail, at the S extremity of the Reservation just before the RIV/SDG Co line border 475 Comment
  RSA436248  Heterocodon rariflorum M. B. Dunkle 1933-7-21 3726 Riverside Idyllwild 1616 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
  UC1211966  Heterotheca grandiflora Otto T. Solbrig 1958-8-18 2757 Riverside junction of Highway 71 and Highway 395 (on road to Palomar) Comment
  UC31120  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR189800  Heuchera hirsutissima Diane Menuz 2007-6-19 305 Riverside Peninsular Ranges, San Jacinto Mountains, Pacific Crest Trail, along Fuller Ridge 2724 Comment
  SD258431  Hibiscus denudatus J. M. Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Hwy 95, approx 12 miles S of Vidal Jct. 127 Comment
  UCR260218  Hilaria rigida A. C. Sanders, Jim Malusa 2015-3-10 41378 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA782004  Hoffmannseggia glauca Stephanie Rockwood, Christi Gabriel 2011-10-18 118 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  SBBG3336  Hoffmannseggia microphylla H. and M. Dearing 1936-12-25 853 Riverside Aqueduct Rd ca. 10 mi N of Indio [Long Cyn] Comment
  UCD84847  Holcus lanatus A. A. Beetle 1946-6-10 4399 Riverside In San Jacinto Mountains, near Idylewilde. 1219 Comment
  RSA646292  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Santa Ana Mountains: Sierra Peak; Astragalus brauntonii survey. Comment
  RSA769629  Holodiscus discolor E. W. Lathrop 1973-6-28 7436 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  HSC46430  Hordeum brachyantherum subsp. californicum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  RSA593698  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8628 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR92703  Hordeum intercedens A. C. Sanders, D. Malueg, K. D. Jones 1996-4-20 18057 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA750753  Hordeum murinum Scott D. White, Justin M. Wood 2009-5-22 12897 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR100170  Hordeum murinum Scott D. White 1993-3-3 1084 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR100629  Hordeum murinum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19894 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCR213899  Hordeum murinum Scott D. White, Justin M. Wood 2009-5-22 12897 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  POM47566  Horkelia clevelandii Philip A. Munz, I. M. Johnson 1924-7-27 8760 Riverside Dark Canyon, San Jacinto Mountains. 2409 Comment
  UC856344  Hornungia procumbens P. A. Munz 1922-4-29 5120 Riverside Lancaster Valley Comment
  RSA126701  Hulsea vestita subsp. callicarpha David Kyhos 1958-5-16 58 -187 Riverside Palms to Pines Highway, 2.5 miles W of Aguanga turnoff, San Jacinto Mts. Comment
  SEINET5325105 Image available Hulsea vestita subsp. callicarpha D. H. Wilken 1969-6-30 7844 Riverside Riverside County Road R1, near Black Mtn. Junction, 8.6 mi N of Idyllwild, San Jacinto Mtns 1524 Comment
  UC1181321  Hydrocotyle ranunculoides Peter H. Raven 1959-5-17 14232 Riverside San Jacinto Mts., Lake Fulmor Comment
  UCR149981  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  POM361071  Hymenoclea salsola M. B. Dunkle 1937-3-25 4946 Riverside Colorado Desert. Shaver's Well Comment
  POM361075  Hymenoclea salsola M. B. Dunkle 1935-4-17 4554 Riverside W. of Wiley Well. Colorado Desert. Comment
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA0009846  Hymenoclea salsola Marcus E. Jones 1924-2-27 s.n. Riverside Near Blythe. Comment
  UC871762  Hypericum anagalloides P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  RSA519240  Hypochaeris glabra Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  CAS-BOT-BC219750  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  CAS-BOT-BC219765  Hyptis emoryi D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2864 Riverside Pushawalla Canyon, Indio Hills Comment
  CSUSB1676  Hyptis emoryi Wayne White 1975-5-10 Riverside Chuckwalla Mountains On Highway I-10 near Red Cloud Rd. Colorado Desert; Chuckwalla Mountains. 771 Comment
  POM178003  Hyptis emoryi Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  RSA615340  Hyptis emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2699 Riverside Sonoran (Colorado) Desert Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA651635  Hyptis emoryi Christy Hightower 1982-3-26 1 Riverside on hillside of Magnesia Canyon aprox. 2 1/2 mi. SW of Rancho Mirage. Santa Rosa Mts. Comment
  RSA758325  Hyptis emoryi Doug Goldman 2005-3-3 3029 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UC61586  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  SEINET10498864  Hyptis emoryi David B. Dunn 1948-6-17 Dunn 3815 Riverside Ravine below quad 4 dry coudit. At camp in pushawalla canyon under palms Comment
  RSA770794  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4534 -a Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA638870  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  SDSU13569  Isocoma menziesii var. vernonioides W. Miller 1972-8-25 Riverside Northwest cornerr along roadside in coastal sage. Comment
  CAS-BOT-BC69870  Isoetes orcuttii Robert F. Thorne 1974-5-23 44672 Riverside Santa Rosa Plateau, Rancho California: n. edge of large vernal marsh, Mesa de Colorado. 624 Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  UCR116711  Isomeris arborea Helen Kennedy, Sara Mills 2001-3-17 5389 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UC217953  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat; San Jacinto Mts. 1371 Comment
  UCR101547  Jepsonia parryi A. C. Sanders 1997-3-19 20024 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  CAS-BOT-BC224903  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37161 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  UC111320  Juncus acutus subsp. leopoldii S. B. Parish 1907-4-22 6149 Riverside w edge Colorado Desert 200 Comment
  UCR264640  Juncus balticus Mitch Provance 2013-4-8 413- 02 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA586303  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA70095  Juncus bufonius var. occidentalis F. W. Peirson 1922-4-29 2928 Riverside South of Lake Elsinore. 381 Comment
  RSA0099584  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  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
  RSA0035955  Juncus phaeocephalus var. paniculatus Robert F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61169 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  POM14114  Juncus saximontanus Phillip A. Munz 1922-6-30 5902 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UC1495747  Juncus tiehmii Barbara Ertter and Jeffrey Strachan 1979-6-26 2971 Riverside behind Kenworthy Ranger Station (near Route 74, in Hemet Valley); San Jacinto Mountains, San Bernardino National Forest; Hemet Valley, San Jacinto Mts., San Bernardino Nat'l. Forest, Riverside Co. 762 Comment
  RSA593992  Juncus xiphioides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 948 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR116577  Juncus xiphioides D. L. Banks, E. H. Banks 1996-5-2 948 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  CLARK-A1528-2669  Juniperus californica John C. Roos 1952-4-16 5541 Riverside Box Springs 457 Comment
  UCR89980  Juniperus californica Scott D. White, S. J. Myers 1995-10-21 3722 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  CAS-BOT-BC234576  Justicia californica Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  POM230839  Justicia californica I. W. Clokey 1933-4-17 6888 Riverside Cottonwood Springs. Comment
  RSA650239  Justicia californica Henry Pasek 1949-2-19 s.n. Riverside Edge of desert, E of Banning. 610 Comment
  SEINET2163468 Image available Justicia californica A. J. Breitung 1953-6-12 15529 Riverside Palm Springs Comment
  UC672446  Justicia californica H. L. Mason 1927-3-11 4251 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UC68703  Justicia californica H. M. Hall Apr., 1905 5776 Riverside 10 mi. w. Coachella; Colorado Desert 91 Comment
  UCR14208  Justicia californica W. W. Zabriskie 1973-2-8 103 Riverside Peninsular Range/Western Colorado Desert, Deep Canyon, west side of jeep road leading to Coyote Canyon from Deep Canyon Research Center Road, N slope Santa Rosa Mtns. 293 Comment
  UCR26300  Justicia californica John C. Roos, Lucille Roos 1949-4-11 4233 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Corn Spring Comment
  SEINET10457776  Justicia californica Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 Holmgren 6478 Riverside At the S entrance to Joshua Tree National Monument, near Interstate 10, 24 mi E of Indio. Creosote bush desert; frequent. 549 Comment
  SEINET10972716  Justicia californica Rose 1935-12-19 Rose 35669 Riverside Palm Springs, desert wash. 138 Comment
  SBBG129032  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-10 40414 Riverside Sonoran (Colorado) Desert: 120 Comment
  UCR242293  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  RSA559311  Keckiella antirrhinoides Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7360 Riverside Southern santa Ana Mountains, San Mateo Canyon Wilderness Area. san Mateo Canyon., Along stream and adjacent benches and lower slopes about the confluence with Los Alamos Canyon, near junction of Teneja Road (7S01) and Los Alamos Road (7S04). 396 Comment
  RSA660928  Keckiella antirrhinoides Mitch Provance 1998-5-29 559 Riverside NW side of North Hill, along the S edge of Lake Evans. 274 Comment
  UCR201952  Keckiella antirrhinoides Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCR251963  Keckiella antirrhinoides Max Brodie 2014-4-20 29 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off North Main Divide Rd. c. 0.5 mi. north of Hwy 74 820 Comment
  JOTR34044  Keckiella antirrhinoides var. microphylla La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2945 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  UC887173  Keckiella antirrhinoides var. microphylla B. D. Stark 1933-5-13 Riverside 8 mi up Palma to Pines Highway; San Jacinto Mts 1219 Comment
  NY43344  Keckiella cordifolia C. R. Annable 1995-3-12 2273 Riverside Box Canyon Wash, Hwy 195 Comment
  SEINET3224407  Keckiella ternata G. Goodwin 2012-6-15 3461 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR178333  Keckiella ternata Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 641 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA293230  Keckiella ternata subsp. ternata D. C. Michener 1980-7-20 3714 Riverside Thomas Mtn. Chaparral/ coniferous forest transition on Thomas Mtn re [6S13] 2.7mi. north of jct. with CA by Lake Hemit. 1450 Comment
  RSA0019429  Keckiella ternata subsp. ternata Philip A. Munz 1922-6-27 5852 Riverside Santa Rosa Mountains. 2012 Comment
  UC149782  Koeleria macrantha H. M. Hall 1902-4-26 2976 Riverside vicinity of Riverside Box Spr. Mt. 685 Comment
  UC38693  Koeleria macrantha H. M. Hall June, 1901 2131 Riverside hillsides of Coyote Canyon Santa Rosa Mountain; San Jacinto Mountains, , Coyote Canyon 1584 Comment
  SD21520  Krameria bicolor Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  SDSU6896  Krameria bicolor Gerald Collier 1951-5-27 M 244 Riverside About 4 miles east o f Pinon Flats San Sarinto Mtns. 5 yds from Roadsie state hwy74. Rocky slope. Comment
  UCSB16823  Krameria bicolor Winn, Will 1963-4-8 Riverside 37.9 miles east of Desert Center on U.S. Highway 60-70 243 Comment
  UCSB16824  Krameria bicolor Field, L. 1963-5-5 Riverside 5.3 miles south Palm Desert on California Highway 74 Comment
  JEPS64845  Krameria erecta Marjorie Clary 1931-4-22 1 Riverside above Devils' Canyon; Coachella Valley, above Devils' Canyon Comment
  RSA113919  Krameria grayi Percy C. Everett, E. K. Balls 1956-5-2 21551 Riverside 1 mile N of turnoff W of Desert Center on road to Eagle Mt. Pumping station. 274 Comment
  UC61700  Krameria grayi L. D. Copeland 1904-4-30 2 Riverside near Palm Springs; near Palm Springs Comment
  RSA0105853  Lactuca serriola Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed between Riverside Ave & Market St. Bridge. Comment
  UCR224992  Lamium amplexicaule Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 6993 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 200 m S of East Westward Ave. 634 Comment
  UCR4145  Lamium amplexicaule Ronald M. Cope 1965-2-15 s.n. Riverside Riverside, valley 0.5 mi. west of where Gage Canal goes underground after having crossed Le Conte Drive. 259 Comment
  SD45175  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 579 Comment
  POM12074  Larrea tridentata Mary F. Spencer 1921-3-24 223 Riverside In desert sand, Mecca, colorado Desert -60 Comment
  RSA188722  Larrea tridentata H. U. Stauffer, Robert F. Thorne 1964-5-5 5923 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  UCR124632  Larrea tridentata B. C. Templeton, I. W. Clokey 1930-4-9 1076 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR214417  Larrea tridentata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37501 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  CAS-BOT-BC338925  Lasthenia californica C. F. Baker 1904-4-4 4087 Riverside Elsinore Comment
  SEINET3244092  Lasthenia californica Scott D. White, Michael Honer 2003-1 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave, and Warren Road, immediately southwest of ''Tres Cerritos.'' Former chicken farm. 472 Comment
  SEINET7063239  Lasthenia californica A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders 0.9 miles west of Radec on Route 79 [old 71]. UTM Zone 11, 506657mE, 3703091mN. (WGS84/NAD83). 491 Comment
  POM6021  Lasthenia coronaria M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA585501  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-5-9 0363 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UCR152634  Lasthenia coronaria A. C. Sanders 2005-4-22 29588 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA0035240  Lasthenia glabrata Andrew Haimov, April Sleigh 1992-4-20 77 Riverside 20 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road. Comment
  RSA609951  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2231 Riverside The site is adjcent to 150m north of the Colorado River aqueduct road, some 620m east of warren Road. The site is approximatly 150-305m south of the Ramona Expressway. 427 Comment
  UC217922  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-15 4990 Riverside near Moreno; San Jacinto Lake Comment
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Mar 20 2011
  JEPS29321  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-26 8417 Riverside 2.4 mi nw Romoland (s of Perris, flats on either side of creek) - Railroad Creek [San Jacinto River, flowing toward Railroad Canyon] 457 Comment
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Jul 14 2012
  SDSU18376  Lasthenia gracilis C. Matt Guilliams 2008-2-21 472 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  SD236281  Lathyrus odoratus John F. Green 2006-5-3 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road. 402 Comment
  UC489135  Lathyrus vestitus var. vestitus C. V. Meyer Jun 1927 168 Riverside San Jacinto Mts. 1676 Comment
  UCR89878  Lathyrus vestitus var. vestitus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3339 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
  CAS-BOT-BC379662  Layia platyglossa A. C. Sanders; T. B. Salvato 2011-3-29 38874 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City Perris, along powerline coordinator 0.45 east of Goetz Ra. and 0.07 lm east Wheat St. 449 Comment
  RSA614302  Layia platyglossa D. L. Banks, Victor Steinmann 1997-3-13 1506 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA92258  Layia platyglossa F. W. Peirson 1922-5-19 3042 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
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Dec 16 2012
  RSA234095  Lemna gibba Robert F. Thorne, E. W. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA376133  Lemna gibba Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61279 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  RSA643101  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  SEINET6056432  Lepidium dictyotum Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  CAS-BOT-BC154109  Lepidium fremontii N. Aitkenhead 1977-2-2 s.n. Riverside S-O line SW of radio tower top of Chuckwalla Mnts. Comment
  CAS-BOT-BC89431  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash. Comment
  CAS-BOT-BC89436  Lepidium fremontii Peter H. Raven 1958-3-15 11860 Riverside Joshua Tree National Monument. Smoketree Wash. Comment
  CAS-BOT-BC89440  Lepidium fremontii Carl B. Wolf 1932-4-27 3043 Riverside Colorado Desert. Mecca-Blythe Road. 0.75 mile west of Utopia. 152 Comment
  RSA719036  Lepidium lasiocarpum Michael Honer 2005-3-11 2064 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  HSC85408  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCSC000316  Lepidium virginicum var. medium I. J. Condit 2010-6-21 s.n. Riverside San Jacinto Mts., Strawberry Valley 1676 Comment
  UCR225214  Lepidium virginicum var. robinsonii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5163 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCR266910  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  UCR137688  Lepidium virginicum var. virginicum D. L. Banks, V. W. Steinmann 1997-3-13 1485 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
  RSA296175  Lepidospartum squamatum B. A. Prigge 1980-8-5 3815 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA544322  Lepidospartum squamatum Steve Boyd 1991-9-8 6430 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 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
  RSA588825  Lepidospartum squamatum D. L. Banks, S. D. Boyd 1995-10-17 0777 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
  UC106728  Leptodactylon pungens A. W. Anthony July 12, 1895 - July 17, 1895 Riverside San Jacinto Mts. 2590 Comment
  RSA500182  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3537 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR281227  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 47 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  SBBG118780  Lessingia glandulifera S. D. White 1999-7-9 7533 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  UC489168  Lessingia glandulifera var. glandulifera C. V. Meyer 1928-7-30 570 Riverside Sander's Meadow; San Jacinto Mts. 1676 Comment
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Nov 11 2011
  UCR103173  Lessingia glandulifera var. glandulifera Scott D. White, J. Greene, S. Douthit 1996-10-13 4624 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  CAS-BOT-BC283714  Leymus condensatus H. M. Hall 1899-6-2 1218 Riverside In dry wash of Temecula River Comment
  UC817474  Leymus triticoides P. A. Munz 1922-6-23 5779 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCD87724  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside Riverside and vicinity. W of Temecula. Comment
  RSA234048  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39316 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  RSA741006  Limnanthes gracilis subsp. parishii Scott D. White, Justin M. Wood 2008-6-18 12218 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA468575  Linanthus androsaceus subsp. luteolus N. C. Cooper 1944-5-7 1188 Riverside Banning 701 Comment
  JOTR34178  Linanthus bigelovii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 139 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  UCR70865  Linanthus ciliatus E. C. Jaeger 1921-7-12 s.n. Riverside San Jacinto Mtns., Dutch Flats 1768 Comment
  RSA777825  Linanthus jonesii J. Andre, G. L. Clifton 2011-2-22 17457 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  SDSU3187  Linanthus jonesii Pamela A. Beare 1992-3-13 13 III92E Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca. 280 Comment
  UC23776  Linanthus parviflorus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SD173066  Linanthus pungens Juergen Schrenk 2005-10-11 43 Riverside Santa Rosa Mountains, summit of Toro Peak 2640 Comment
  UCR97499  Linaria canadensis var. texana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19875 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SDSU8155  Linum lewisii Gerald Collier 1951-5-27 Riverside San Jacinto Mtns. About 4 miles west of Pinon Flats. State Hwy 74, about 10 yds. from roadside. Comment
  SD234347  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6682 Riverside San Gabriel Mtns.: Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River (Mt San Antonio 7.5'Q) 1036 Comment
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Dec 13 2015
  CLARK-A1528-1115  Lobularia maritima Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  SD122177  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. 305 Comment
  RSA496128  Loeflingia squarrosa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-18 3007 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  JOTR32966  Loeseliastrum matthewsii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2717 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA775723  Loeseliastrum matthewsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 958 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SBBG81494  Logfia depressa S. A. Junak 1983-3-23 1620 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  POM47732  Lomatium dasycarpum subsp. dasycarpum J. B. Feudge 1924-3-22 556 Riverside Beaumont 762 Comment
  UCSB18674  Lomatium mohavense Winn, Will 1963-5-5 Riverside Pinyon Flats Campground 1219 Comment
  RSA0028169  Lomatium multifidum John F. Emmel 1988-4-26 1085 Riverside Bautista Canyon road, 0.95 road mile northwest of turnoff to Tripp Flats. 104 Comment
  UCR120961  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23888 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR170129  Lonicera japonica Jeffrey Ross 1998-6-4 152 Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  SEINET3154554  Lonicera subspicata F. M. Reed 1908-7-14 2393 Riverside San Jacinto mts.; ridge above strawberry valley. 1829 Comment
  RSA615327  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  SDSU13916  Lonicera subspicata var. denudata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2155 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, southern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA0012655  Lotus corniculatus LeRoy Gross, Caitlin Elam 2013-5-14 6082 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA406379  Lotus grandiflorus var. grandiflorus Gary D. Wallace 1964-4-25 s.n. Riverside Backside of San Jacinto Mt. in desert. Comment
  UCR114338  Lotus hamatus Mitch Provance 2000-5-5 2017 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR158844  Lotus hamatus Scott D. White 1994-6-23 2086 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR82906  Lotus heermannii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15798 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CLARK-A1656-671  Lotus humistratus Milton Walker 1978-3-6 Riverside San Jacinto Mountains 1097 Comment
  RSA627510  Lotus oblongifolius Scott D. White 1998-7-31 6953 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UCR35027  Lotus purshianus L. B. Ziegler 1967-8-2 200 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  HSC25800  Lotus rigidus Richard Spjut 1972-3-13 2257 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  JEPS55815  Lotus rigidus John Thomas Howell 1928-1-30 3314 Riverside Cottonwood Springs Colorado Desert Comment
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Sep 20 2011
  RSA406789  Lotus rigidus M. B. Dunkle 1935-3-31 4438 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  RSA517916  Lotus salsuginosus Steve Boyd, Thomas S. Elias, Erika Winter, Bob Boyd 1986-2-18 1334 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  RSA406832  Lotus salsuginosus var. brevivexillus M. B. Dunkle 1935-3-30 4425 Riverside Pinto Basin, Colorado Desert. 915 Comment
  CLARK-A1703-68  Lotus scoparius William Horn, Jr. 1963-3-22 630322#1 Riverside Riverside 365 Comment
  UCR127342  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25846 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  JOTR31044  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 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
  CLARK-A1528-1165  Lotus strigosus Cameron Duncan 1966-3-27 Riverside Riverside 914 Comment
  RSA614704  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  RSA779805  Lotus strigosus Duncan S. Bell 2009-3-9 104 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  UCR116582  Lotus strigosus G. W. Forister 1967-4-1 s.n. Riverside [Moreno Badlands], Jack Rabbit Trail, 1.5 mi. SW of Hwy 60 671 Comment
  UCR20782  Lotus strigosus A. C. Sanders, Steve Boyd 1980-5-2 1393 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA526497  Lotus strigosus var. hirtellus Steve Boyd, T. S. Ross 1990-5-11 4692 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  PASA1115  Lotus subpinnatus Frank W. Peirson 1930-5-10 Riverside Hemet Plateau near March Field 457 Comment
  POM14357  Lotus tomentellus P. A. Munz, D. D. Keck 1922-4-9 4765 Riverside Shavers Well, near Mecca. 76 Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA406380  Lotus tomentellus Robert Gustafson 1978-3-22 836 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  JEPS85675  Lupinus W. L. Jepson 1939-4-17 19122 Riverside on rd to Temecula 2 mi s Corona (Corona); s of Corona Comment
  UC865541  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4701 Riverside Moreno Grade Comment
  RSA496358  Lupinus agardhianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3032 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  JOTR32831  Lupinus andersonii La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1553 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA550280  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4616 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  SBBG3529  Lupinus arizonicus K. K. Muller 1958-3-22 912 Riverside opposite S entrance of Joshua Tree Nat Monument, 2 mi S of Hwy 60 Comment
  UCD105828  Lupinus arizonicus Donald Myrick 1966-4-2 1355 Riverside at upper end of Aqueduct Road, southeast of Desert Hot Springs. 1219 Comment
  UCR160076  Lupinus arizonicus Robin Schramm, R. Schoeninger 1998-3-14 16 Riverside Sonoran (Colorado) Desert, 0.5 miles north of I-10 fwy on Eagle Mtn Rd exit 305 Comment
  UCR2956  Lupinus arizonicus D. L. Flaherty 1963-3-21 113 Riverside Sonoran Desert, Coachella Valley, 1000 yards west of the intersection of Hwy 74 and Bursera Way in Palm Desert. 128 Comment
  RSA781184  Lupinus arizonicus D. Silverman, Mark Bibbo 2010-3-31 7887 Riverside East flank bajada of the McCoy Mountains, one mile W of Black Creek Road, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  UCSB37850  Lupinus bicolor Sanders, A. 1980-7-18 Riverside Garner Valley; near the junction of the Thomas Mtn. Rd. with Hwy. 74; about 1 mile SE. of the head of Hemet Lake; T 6S, R 3E, SW1/4 of SW1/4 sec. 10 1341 Comment
  RSA314671  Lupinus bicolor subsp. marginatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55496 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA33560  Lupinus bicolor subsp. microphyllus N. C. Cooper 1944-3-24 1008 Riverside Banning. 701 Comment
  RSA562460  Lupinus bicolor subsp. microphyllus Steve D. Boyd, Tim S. Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR164571  Lupinus concinnus S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  POM122422  Lupinus concinnus subsp. optatus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA407143  Lupinus concinnus subsp. optatus N. C. Cooper 1944-5-21 1285 Riverside San Jacinto Mtns. West Side. 1220 Comment
  RSA407147  Lupinus concinnus subsp. optatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  CLARK-A1528-497  Lupinus excubitus Fred B. Essig 1964-4-25 26 Riverside Elsinore Comment
  RSA0030876  Lupinus excubitus subsp. austromontanus Norman C. Cooper 1944-6-17 1421 Riverside San Jacinto Mtns. above Banning. 1067 Comment
  RSA413768  Lupinus excubitus var. austromontanus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
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Nov 29 2010
  SEINET3208894  Lupinus excubitus var. austromontanus G. Goodwin 2012-6-14 3449 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  CLARK-A1703-22  Lupinus hirsutissimus Mike Cline 1967-3-30 Riverside Box Springs Mountains Comment
  UCR43284  Lupinus hirsutissimus B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  POM11373  Lupinus hyacinthinus Philip A. Munz 1922-9-7 6410 Riverside Tamarack Valley 3049 Comment
  POM48510  Lupinus hyacinthinus Mary F. Spencer 1919-7-6 1281 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA560409  Lupinus longifolius Steve D. Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA523534  Lupinus sparsiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3993 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA775449  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4409 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR241254  Lupinus sparsiflorus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1204 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR261413  Lupinus sparsiflorus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41434 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR279535  Lupinus sparsiflorus A. C. Sanders, Jim Malusa 2017-3-25 43016 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR85181  Lupinus sparsiflorus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16165 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  UC73208  Lupinus truncatus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR165191  Lupinus truncatus S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA428589  Lycium Louis C. Wheeler 1931-11-26 384 Riverside 1/4 mi. SW Salton BM. Sea level. Comment
  POM259667  Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA0046718  Lycium andersonii Jim Andre 2014-1-27 26654 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  SEINET3078088 Image available Lycium andersonii B. Pitzer 1988-3-10 659 Riverside W side of Chuckwalla Mountains, on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd (and wash); ca. 2 miles (airline) S of Hwy I-10. 488 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
  SEINET270099 Image available Lycium cooperi Bern Shcwen 1994-4-9 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains 'Hidden Gold' Canyon below the Hidden Gold Mine in 3rd canyon on north side Comment
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Aug 25 2013
  RSA0121675  Lycium cooperi E. C. Jaeger 1921-3-18 1159 Riverside Salton Colorado Desert. Comment
  JOTR32973  Lycium fremontii La Doux, Tasha, A. Miller 2008-10-8 2855 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  RSA272171  Lycium torreyi John F. Emmel 1975-10-5 538 Riverside 3/4 air mi. NNE of intersection of 4th Ave. and Lovekin Blvd., N. edge of Blythe. Comment
  RSA775918  Lycium torreyi Duncan S. Bell, Amanda Turek 2010-4-10 812 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR93099  Machaeranthera cognata F. M. Reed 1931-4-11 6919 Riverside Western Colorado Desert, 'Red Canyon' north of Mecca [= Painted Canyon?] 152 Comment
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Nov 24 2011
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 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
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UCR214317  Malacothamnus densiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38392 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
  RSA0064475  Malacothamnus fasciculatus John F. Emmel 1995-7-16 1381 Riverside San Jacinto Mts.; Rouse Ridge road, 3.5 road miles northwest of Rouse Hill summit (6.4 road miles SSE of Cranston Ranger Station). 1127 Comment
  HSC5995  Malacothrix californica R. A. Eagle 1964-3-28 17 Riverside 5 mi. this side of Palm Springs Comment
  JOTR31996  Malacothrix coulteri La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2226 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UCR165827  Malacothrix glabrata 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
  UCR177858  Malacothrix glabrata Marisa Sripracha, K. A. Boyd 2004-3-21 040 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA777830  Malacothrix stebbinsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 856 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  IRVC26137  Malus sylvestris O. F. Clarke 1968-10-3 s.n. Riverside University of California, Riverside Comment
  RSA675798  Malvella leprosa Scott D. White 2001-7-9 8721 Riverside Menifee: 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  POM286349  Mammillaria dioica Lyman Benson 1949-3-28 13558 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  SEINET10732075  Mammillaria microcarpa Betty Venrick 1962-1 Riverside Comment
  HSC86864  Marah macrocarpa B. Pitzer, E. Misquez 1988-2-28 617 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  RSA662175  Marah macrocarpa Stephen Hill 1981-2-16 6 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. 100 yards from road. Comment
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Jul 14 2013
  SD129568  Marah macrocarpa Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road 365 Comment
  SDSU5862  Marah macrocarpa Thomas A. Zink 1971-4-1 Riverside Along Oak Glen Rd. about 3 miles south of the Oak Glen Range Station. Comment
  UC1563114  Marina parryi Steve Boyd and Orlando Mistretta 1986-3-13 1425 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 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
  UCD169617  Marina parryi Amber Swanson 2011-3-19 242 Riverside W of Eagle Mountain Road to Railroad tracks about 5 miles N of I-10. 306 Comment
  RSA651643  Marrubium vulgare A. Mayor, T. Strid 1973-4-20 s.n. Riverside Railroad Cyn Rd. Comment
  UCD124982  Marrubium vulgare Robert J. Weatherby 1949-5-21 492 Riverside Radec near Hemet. 609 Comment
  RSA199004  Marsilea vestita R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau: Shallow water of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  POM13828  Meconella denticulata P. A. Munz 1922-4-28 5040 Riverside Leach Canyon 610 Comment
  RSA543842  Meconella denticulata Steve Boyd, Orlando Mistretta 1991-5-22 6303 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CLARK-A1528-2856  Medicago lupulina John C. Roos 1952-4-30 5604 Riverside March Air Force Base 487 Comment
  RSA735385  Melia azedarach Steve Boyd 2007-4-20 11723 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains., High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Areayon,'' ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  RSA342044  Melica frutescens R. F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54084 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA526493  Melica frutescens Steve Boyd, Timothy S. Ross 1990-5-11 4689 A 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
  RSA577749  Melica frutescens F. M. Reed 1926-5-15 5338 Riverside South of Menifee 579 Comment
  SEINET2473432 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37748 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 400 Comment
  UCR51526  Melica frutescens S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  CAS-BOT-BC281598  Melica imperfecta H. M. Hall 1899-5-21 1134 a Riverside San Jacinto Mts 1676 Comment
  CHSC109712  Melica imperfecta Scott D. White 2003-3-21 8821 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  HSC65813  Melica imperfecta E. W. Lathrop 1960-6-7 4888 Riverside 14 miles west of Murieta, Redonda Mesa. Comment
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Jul 8 2010
  JOTR16782  Melica imperfecta Hogan, J. 1975-4-20 207 Riverside Joshua Tree National Park. MIDDLE OF SMITH WATER CANYON 1127 Comment
  JOTR35131  Melica imperfecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3243 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  SBBG92140  Melica imperfecta E. LaRue 1989-6-11 Riverside W side of Lakeview Mtns, ca. 1 mi SE of Nuevo 640 Comment
  UC736843  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UCR5910  Melica imperfecta Leland E. Francois 1966-4-23 42366- 7 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  UC1329996  Menodora spinescens var. mohavensis James E. Cole 1941-4-10 517 Riverside near Twenty-nine Palms Fan boundary; Joshua Tree National Monument Comment
  POM182471  Mentha aquatica Joseph A. Ewan 1931-10-3 8212 Riverside Santa Ana River 4 mi NW of Corona. Comment
  UCR143385  Mentha aquatica Joseph A. Ewan 1931-10-3 5212 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  RSA681992  Mentzelia albicaulis Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10496 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
  UCR245967  Mentzelia albicaulis Duncan S. Bell 2009-3-9 116 Riverside Arica Mountains, east side of the range, west side of Rice Valley, c. 2.7 air miles NE of Priest Well, or c. 3.3 air miles SE of ghost town of Rice 244 Comment
  CLARK-A1528-606  Mentzelia involucrata Shirley Hill 1963-3-23 630323-3 Riverside Box Canyon Comment
  JEPS42807  Mentzelia involucrata W. L. Jepson and W. C. Mathews 1914-5-18 6009 Riverside n Indio (Pinon Well to County Well) 457 Comment
  RSA0040091  Mentzelia involucrata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6261 Riverside Orocopia Mountains; southern/central section of range; approximately 0.75 air mile northwest of Gucci Spring. 483 Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA649332  Mentzelia involucrata Marie Cichra 1976-4-25 107 Riverside Corn springs, approx. 13 miles from intersection of Corn Springs Road and Chuckwalla Rd., off I-10. Comment
  SBBG25152  Mentzelia involucrata Leota Davidson 1966-4-3 238 Riverside between Indio and Chiriaco Summit at rest area, E side Interstate 10 Comment
  SEINET3005067  Mentzelia involucrata G. Rink 2011-5-1 10505 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UC196003  Mentzelia involucrata Joseph Grinnell 1910-3-18 Riverside Riverside Mt., Colorado River Comment
  UCR274850  Mentzelia involucrata David Fraker, Aaron C. Sedgwick 2012-4-4 067 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  UC19591  Mentzelia montana H. M. Hall May 1899 1121 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCR126991  Mesembryanthemum nodiflorum A. C. Sanders, Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR120951  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23876 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR20707  Microseris lindleyi A. C. Sanders, Steve Boyd 1980-5-2 1434 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR241925  Microseris lindleyi A. C. Sanders, Timothy W. Chumley 2013-3-28 40697 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  SJSU13423  Mimetanthe pilosa C. W. Sharsmith 1945-8-28 5456 Riverside Indian Canyon, Mt San Jacinto 1828 Comment
  RSA0018780  Mimetanthe pilosa Robert L. Rutherford 1944-6-17 1433 Riverside West side. 1372 Comment
  UC943875  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1893 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  UCR90380  Mimulus aurantiacus D. L. Banks, Steve Boyd 1995-6-2 0560 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  UCSB23998  Mimulus aurantiacus var. pubescens Shaw, Merrilee 1964-4-4 Riverside Highway 74; 1.7 miles west of Grand Avenue on the west shore; Lake Elsinore Comment
  UCR91462  Mimulus aurantiacus var. puniceus Scott D. White 1995-3-30 2669 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  JEPS8173  Mimulus bigelovii var. bigelovii Marjorie D. Clary 1932-3-27 1639 Riverside about 10 mi ne Indio; Colorado Desert, Indio Hills 182 Comment
  UCSB54188  Mimulus bigelovii var. bigelovii McKinley, Gale 1985-3-26 Riverside 200 yards east of site #9; in Ryan campground; in Joshua Tree National Monument 1280 Comment
  SFV17401  Mimulus brevipes M. S. Valenzuela, P. Wilson 1998-6-2 67 Riverside Highway 74 near mile marker 54. Found along a creek. Comment
  UCR20878  Mimulus breweri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UC26897  Mimulus cardinalis H. M. Hall July 1901 2382 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  SBBG53759  Mimulus floribundus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UCR193862  Mimulus floribundus A. C. Sanders, Mitch Provance 2008-7-11 35768 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR17275  Mimulus fremontii Eric Fisher 1979-4-20 s.n. Riverside 9 mi west of Aguanga on Hwy 79; southern oak woodland [near Dripping Spring] 549 Comment
  CLARK-A1528-4252  Mimulus guttatus Art Whistler 1966-4-24 2 Riverside Deep Canyon Comment
  SEINET3078510 Image available Mimulus guttatus Ronald H Sauer 1965-4-21 s Riverside In the drainage ditch by the large black walnut at the base of hill of road to green houses, U.C.R. campus 366 Comment
  UC26997  Mimulus nasutus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UC64195  Mimulus palmeri H. M. Hall May 1899 1281 Riverside s side San Jacinto Mountains 1524 Comment
  POM157886  Mimulus pilosus P. A. Munz 1927-5-20 10798 Riverside Murrieta Hot Springs. Comment
  RSA191414  Mimulus pilosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6614 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA526494  Mimulus pilosus Steve Boyd, Tim S. Ross 1990-5-11 4689 -B 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
  UCR183014  Mimulus pilosus Mitch Provance 2003-5-5 4423 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR21163  Mimulus pilosus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  CSUSB895  Mimulus puniceus David M. Peterson 1966-2-27 Riverside 9 miles southwest of Murrieta 609 Comment
  RSA701395  Minuartia douglasii Steve Boyd, Aydee Virgen 2004-4-13 10884 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET7097939  Minuartia douglasii A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  SEINET5726346 Image available Mirabilis bigelovii Anne Harrison 1962-1 23 Riverside in rocky soil on east side of canyon, on Whitewater Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River.; Whitewater River Comment
  UCR103177  Mirabilis californica Scott D. White, Julie Greene 1997-3-12 4772 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR177509  Mirabilis laevis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32539 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA33559  Mirabilis laevis var. crassifolia N. C. Cooper 1944-3-25 1009 Riverside Cabazon. 457 Comment
  CAS-BOT-BC434830  Mirabilis laevis var. retrorsa John Thomas Howell 1928-3-11 3416 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  RSA464259  Mirabilis tenuiloba N. R. Zabriskie, W. M. Zabriskie 1973-3-29 594 Riverside S side of lower Pipistrelle Canyon wash, Deep canyon drainage, N slope Santa Rosa Mountains. 427 Comment
  JOTR31889  Mohavea confertiflora La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2139 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  RSA758321  Mohavea confertiflora Doug Goldman 2005-3-3 3024 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  RSA774304  Mohavea confertiflora Duncan S. Bell 2011-4-8 2197 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  SBBG81713  Mohavea confertiflora S. A. Junak 1983-3-23 1646 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  SEINET10898254  Mohavea confertiflora David B. Dunn, Howard Brown 1947-1-12 Dunn 2847 Riverside Pushawalla Canyon, Indio Hills. Along dry canyon side. Comment
  RSA0078218  Mollugo cerviana Sarah J. De Groot, Duncan S. Bell 2015-9-21 7586 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  UCR101520  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  UCR25399  Mollugo cerviana John C. Roos 1946-9-14 3015 Riverside San Jacinto Mtns., Thomas Valley 1375 Comment
  POM48962  Monardella australis subsp. australis P. A. Munz, J. M. Johnston 1924-7-27 8734 Riverside Deer Springs, San Jacinto Mountains 2470 Comment
  POM187414  Monardella lanceolata var. lanceolata L. Crutcher 1933-8-1 8 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  POM48931  Monardella lanceolata var. lanceolata P. A. Munz, I. M. Johnston 1924-7-26 8716 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  CAS-BOT-BC215499  Monardella nana H. E. McMinn 1925-7-2 1493 Riverside Trail to Tahquitz Peak from Idylwild 2133 Comment
  UC1499859  Monardella nana Elizabeth McClintock 1940-5-19 6 Riverside 1/2 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  POM12895  Monardella nana subsp. arida P. A. Munz 1922-7-1 5936 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  RSA750401  Monardella nana subsp. arida Elizabeth McClintock 1941-5-22 s.n. Riverside Anza Monument, 5 miles south of Anza, on road to Coyote Canyon. Comment
  RSA750405  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 68 Riverside 1.5 miles E of Ribbonwood. Pines to Palms Highway. Comment
  RSA750301  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA750305  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 120 Riverside San Jacinto Mts. Devil s Slide trail. Comment
  UC1499914  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 70 Riverside Stone Creek Banning-Idyllwild road Comment
  UC162752  Monardella nana subsp. tenuiflora H. M. Hall July 1897 Riverside San Jacinto Mountains Comment
  SEINET3101625 Image available Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert; Joshua Tree National Park, northeast end of Splitrock Picnic Area (Queen Mountain 7.5 Q.) 1327 Comment
  RSA0102803  Monolepis nuttalliana Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8102 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  UCR266415  Monolepis nuttalliana D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  CAS-BOT-BC505216  Monolopia lanceolata Cindy Daverin 2015-3-11 s.n. Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estalle Mountain Reserve, S of Lake Mathews and of Cajalco Rd., 1.3 km WNW (288 deg. ) of Monument Peak 443 Comment
  SD224862  Monoptilon bellioides G. K. Helmkamp 1998-4-4 3165 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  UCR139719  Monoptilon bellioides B. G. Pitzer 1989-4-16 1297 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UC1931205  Montia fontana Scott D. White, Justin Wood 2008-6-19 12270 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  JOTR32847  Muhlenbergia microsperma La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1529 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  RSA613274  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon, foot of Mount San Jacinto. 579 Comment
  UCR104963  Muhlenbergia microsperma George K. Helmkamp, E. A. Helmkamp 1998-2-18 2731 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR24959  Muhlenbergia richardsonis A. C. Sanders 1980-8-23 1763 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  LA8019  Muhlenbergia rigens F. M. Reed; 1903-12-13 409 Riverside Box Springs Mountain Comment
  SEINET7862004  Muhlenbergia rigens M. F. Barrus, F. M. Reed 1920-1-12 99 Riverside Riverside, Arroyo Tequesquito. Comment
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Nov 6 2019
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC83344  Myosurus minimus P. A. Munz 1922-4-29 5061 Riverside 3 miles south of Elsinore. 381 Comment
  CAS-BOT-BC83350  Myosurus minimus Robert F. Thorne 1973-5-23 43866 Riverside Santa Rosa Plateau-Mesa de Colorado. 609 Comment
  OBI1212  Myriopteris parryi Hoover 1966-10-15 10167 Riverside Dead Indian Cyn Comment
  RSA421100  Nama demissa M. B. Dunkle 1935-3-30 4418 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA721838  Nama demissa J. R. Bruff 1927-3-12 3 -F Riverside Whitewater. Comment
  UCR244320  Nama demissa var. demissa Jim Andre 2012-4-16 20924 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  RSA615323  Nassella lepida Scott D. White 1997-5-25 5226 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing. 793 Comment
  RSA653407  Nassella lepida Mitch Provance, J. Ross 1999-4-1 1735 Riverside Jurupa Mountains: Rocky ridges ca. 0.5 km E of peak 1437 in the W portion of the Jurupa Mountains. 411 Comment
  RSA192229  Nassella pulchra E. W. Lathrop 1960-4-28 4767 Riverside 14 miles west of Murrieta Comment
  RSA689488  Nassella pulchra Scott D. White, Michael Honer 2003-4-2 8899 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  POM10420  Navarretia atractyloides R. Johnson 1905-06 s.n. Riverside West Riverside Comment
  UCD48339  Navarretia atractyloides K. Esau 1935-6-15 Riverside Riverside County. Comment
  UCR139620  Navarretia atractyloides A. C. Sanders 2004-7-1 28388 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  RSA0015059  Navarretia fossalis D. E. Bramlet, Fred Roberts, I. Anderson 2005-6-10 3875 Riverside 4.5 miles west of Hemet. The site is located 1000 feet south of Stetson and 300 feet east of California. 456 Comment
  RSA556462  Navarretia fossalis Julie Greene 1993-4-30 1246 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
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Aug 2 2016
  SDSU13949  Navarretia intertexta Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2093 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA256714  Navarretia prostrata R. F. Thorne, E. W. Lathrop 1975-5-25 45563 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  CAS-BOT-BC109109  Nemacaulis denudata var. gracilis Barbara Ertter; Jeffrey Strachan 1980-5-20 3475 Riverside On north side of Whitewater Wash, west side Miles Avenue N of Highway 111 between Palm Desert and Indio at Indian Wells. 30 Comment
  CAS-BOT-BC109111  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  SEINET1869534  Nemacladus glanduliferus Robert F. Thorne, W. Wisura, A. Shmida and R. Whittaker 1978-1 52037 Riverside San Jacinto Mountains: Chino Canyon, Palms to Pines Highway. Comment
  CLARK-A1528-5380  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek Comment
  RSA777652  Nemacladus rubescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 A Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  SEINET10906123  Nemacladus rubescens Philip A. Munz 1926-1-31 Munz 9979 Riverside Dos Palmos Spring Comment
  JEPS22330  Nemacladus tenuis var. aliformis Peter H. Raven 1958-3-15 11833 Riverside near Mecca; Painted Canyon Comment
  UCR282170  Nemacladus tenuis var. aliformis A. C. Sanders, Amy Litt, Plant Taxonomy Class 2017-4-8 43203 Riverside Sonoran (Colorado) Desert, near Cactus City Compressor Station, off frontage road south of I-10 and west of Chiriaco Summit 416 Comment
  RSA736311  Nemophila menziesii Scott D. White, Justin M. Wood 2008-3-25 11783 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UC1537401  Nemophila menziesii Gordon H. True Jr. 1935-2-22 11 Riverside Mockingbird Canyon 457 Comment
  UCR16820  Nemophila menziesii S. M. Chambers 1970-5-9 19 Riverside Santa Rosa Mtns., State Hwy 74, 1 mi. west of Santa Rosa Mountain Road 1220 Comment
  UCR261187  Nemophila menziesii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41527 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  UCR96702  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR96816  Nemophila menziesii Scott D. White 1993-3-12 1178 Riverside Near Winchester 466 Comment
  UCSB16228  Nemophila menziesii Flath, Carol 1963-5-4 Riverside In San Jacinto Mountains; 4 miles south og Banning on Banning to Idyllwild Road 1158 Comment
  JOTR30058  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  SBBG32354  Nicotiana obtusifolia L. S. Rose 1967-12-19 Riverside La Quinta 15 Comment
  UCR104846  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA0018754  Nicotiana obtusifolia I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR139647  Nicotiana quadrivalvis A. C. Sanders 2004-6-30 28386 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  CLARK-A1528-1497  Nolina parryi subsp. wolfii John C. Roos, Lucille Roos 1952-10-18 5904 Riverside Little San Bernardino Mountains 1219 Comment
  POM9801  Notholaena californica subsp. californica P. A. Munz 1922-07 4704 Riverside Andreas Canyon. Comment
  JEPS43992  Oenothera californica W. L. Jepson 1901-5-17 1249 Riverside San Jacinto Comment
  RSA0013274  Oenothera deltoides April Garbat, Sarah J. De Groot 2013-4-9 46 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  UCR1500  Oenothera elata Donna Lee Hobbs 1962-4-29 4-29-62- 01 Riverside 5 mi. north of Rainbow on Hwy 395 [now Interstate Hwy 215] Comment
  UCD170720  Oenothera suffrutescens A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden. 351 Comment
  RSA597074  Olea europaea D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1123 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  CAS-BOT-BC427471  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside Beach along eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  OBI38911  Oligomeris linifolia A. C. Sanders, Pitzer, Charlton, & Kniffen 1986-3-3 6114 Riverside Corn Spring, Chuckwalla Mts, was below the spring and wash and rocky slopes to the south 488 Comment
  UCD116471  Oligomeris linifolia Collector Unknown 1939-3-21 s.n. Riverside Apr. Ext. Service, Riverside. Comment
  RSA1349  Olneya tesota B. D. Stark 1930-5-25 1540 Riverside 12 miles west of Blythe, near road Comment
  RSA779801  Olneya tesota Duncan S. Bell 2009-3-9 100 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  CDA7119  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinton Keith Road. Comment
  RSA799666  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 238 Comment
  UCR233582  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  JOTR29442  Opuntia basilaris var. basilaris La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1374 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  SEINET224185  Opuntia littoralis var. martiniana Lyman Benson, Robert Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal/springs 488 Comment
  POM306431  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside Palms-to-Pines Hwy, east side; San Jacinto Mts. 1220 Comment
  RSA20704  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9419 Riverside San Jacinto Mountains, Palms to Pines Highway, at Ribbonwood. 1067 Comment
  CAS-BOT-BC355576  Oreostemma alpigenum var. andersonii P. A. Munz 1922-7-6 5997 Riverside San Jacinto Mts. Tahquitz Valley 2194 Comment
  RSA0084353  Orobanche bulbosa Philip A. Munz, I. M. Johnston 1922-5-19 5330 Riverside 5 mi. N.E. of Murietta. 426 Comment
  RSA0102398  Orobanche cooperi subsp. cooperi John Roos, Lucille Roos. 1949-3-26 4125 Riverside 2 or 3 miles east of Mecca. Comment
  RSA0078559  Orobanche parishii Robert F. Thorne, C. W. Tilforth 1980-5-28 54165 Riverside San Bernardino Mts: Colorado Desert. At E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. Comment
  RSA402100  Orthocarpus purpurascens G. R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
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Dec 11 2011
  JEPS38571  Osmadenia tenella W. L. Jepson 1901-5-31 1556 Riverside Walter's Ranch Temescal Wash Comment
  UC63233  Osmadenia tenella W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1974 Riverside Temascal wash Riverside, Santa Rosa Peak, Palomar 365 Comment
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Nov 27 2011
  UC303759  Oxalis albicans subsp. californica I. M. Johnston 1918-5-30 1998 Riverside Temescal Canyon 365 Comment
  RSA788875  Oxytheca caryophylloides Gary D. Wallace 2003-7-8 4049 Riverside Hidden Lake. Comment
  UCR165195  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Highway 243, turnoff to Black Mtn. Road, c. 2 mi SE of Lake Fulmor 1643 Comment
  UCR24259  Oxytheca trilobata John C. Roos 1943-5-23 2672 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UCR24260  Oxytheca trilobata John C. Roos 1937-8-17 2544 Riverside San Jacinto Mtns., Near Idyllwild Comment
  RSA221052  Paeonia californica E. W. Lathrop 1966-3-23 6077 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  CAS-BOT-BC327891  Palafoxia arida Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  CAS-BOT-BC327919  Palafoxia arida John H. Thomas 1957-3-30 6552 Riverside 8.1 miles E of Cactus City, about 20 miles E of Coachella. Colorado Desert. 426 Comment
  UC306389  Palafoxia arida var. arida S. B. Parish 1919-3-27 19194 Riverside Palm Canyon Colorado Desert, Palm Springs 243 Comment
  UC667291  Palafoxia arida var. arida Annie M. Alexander and Louise Kellogg 1941-5-12 2163 Riverside road to Black Eagle Mine Eagle Mountains 670 Comment
  UCR279543  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43128 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  UCR279547  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43132 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  RSA737421  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR111571  Panicum capillare Mitch Provance 1998-7-23 903 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCD90120  Panicum urvilleanum T. C. Fuller 1964-1-1 s.n. Riverside N of Thousand Palms. Comment
  CAS-BOT-BC274192  Pappostipa speciosa Peter H. Raven 1958-5-5 12880 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  UCR214015  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37793 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR250319  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA746822  Parietaria hespera var. hespera Michael Honer 2003-4-16 1834 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  CSUSB1654  Parkinsonia aculeata L. Codona 1972-7-25 Riverside Palm Springs 60 Comment
  RSA0035904  Parkinsonia florida J. M. Andre 2013-3-27 24821 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  SFV7923  Parkinsonia florida T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1286 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  SEINET3133948  Parkinsonia torreyana S. B. Parish 1907-4-19 6 -101 Riverside W border of Colorado Desert 150 Comment
  SEINET244829 Image available Paspalum distichum A. C. Sanders 1999-9-26 23090 Riverside San Jacinto Mountains: Lake Hemet, north shore at FS day use area 1323 Comment
  CDA8446  Pectis papposa G. D. Barbe, J. L. Johnson 1982-11-2 4021 Riverside 0.6 mile west of Coon Hollow campground on Bradshaw Trail. 0 Comment
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Apr 11 2013
  RSA471718  Pectis papposa Anstruther Davidson 1921-10-1 s.n. Riverside Palm Springs. Comment
  JOTR29252  Pectis papposa var. papposa La Doux, Tasha 2005-8-17 1533 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  RSA644211  Pectis papposa var. papposa V. W. Steinmann 1999-10-26 1417 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  SD244099  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range: Alberhill, dirt track NE of new section of Nichols Road, south of Lake Street (Alberhill 7.5'Q) 433 Comment
  CAS-BOT-BC169754  Pectocarya anisocarpa W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside 5 miles S of Winchester Comment
  UCR279378  Pectocarya anisocarpa A. C. Sanders, Jim Malusa 2017-3-24 42961 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA781807  Pectocarya heterocarpa Duncan S. Bell 2010-5-1 892 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA788561  Pectocarya heterocarpa Duncan S. Bell 2012-3-8 3143 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  RSA659689  Pectocarya linearis J. C. Roos 1952-2-29 5371 Riverside Reche Canyon. 457 Comment
  UCR805  Pectocarya linearis J. E. Dimitman 1957-4-8 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, hills south of UCR campus 457 Comment
  UCR91431  Pectocarya linearis Scott D. White 1995-3-30 2644 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SEINET7882516 Image available Pectocarya linearis Jean Coulson 1959-1 127 Riverside U. C. R. Campus, Riverside County, California, 200 yds. S. of water tank. Comment
  CLARK-A1045-83  Pectocarya penicillata George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  UCR163141  Pectocarya peninsularis A. C. Sanders, G. K. Helmkamp & P. J. MacKay 1995-3-12 16085 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CLARK-A1045-85  Pectocarya platycarpa George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  SEINET3127003 Image available Pectocarya platycarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37507 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q.). 142 Comment
  RSA676118  Pectocarya recurvata Scott D. White 2001-4-3 8222 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UC1287156  Pectocarya recurvata C. L. Hitchcock 1966-3-16 24180 Riverside 1/4 mi w Aguanga Comment
  UCR281223  Pectocarya recurvata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 48 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  UCSB8771  Pectocarya recurvata Bell, David 1969-3-31 Riverside River Bend Campground; along U.S. Highway 95; 15 miles north of Blythe; Mojave Desert 152 Comment
  RSA509566  Pedicularis densiflora John Adams 1966-4-30 s.n. Riverside 3 mi. above De Luz on dirt road. 915 Comment
  POM12896  Pedicularis semibarbata Philip A. Munz 1922-6-28 5880 Riverside Near Toro Peak , Santa Rosa Mts. 2409 Comment
  RSA5899  Pedicularis semibarbata Carl B. Wolf 1932-8-5 3972 Riverside Slopes of San Jacinto Peak, 1/2 / 2/3 mi. below simmit of trail to Idyllwild. 3049 Comment
  SD144514  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UCR261392  Pellaea mucronata Joseph Cahill 2011-1-8 111- 22 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
  UC218653  Pellaea mucronata var. mucronata P. A. Munz and I. M. Johnston 1922-5-19 5408 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 1066 Comment
  UC886862  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside Kenworthy San Jacinto Mts., Hemet Valley; Kenworthy, Hemet Valley 1371 Comment
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Mar 25 2011
  UCR135734  Penstemon clevelandii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  SEINET10548021  Penstemon labrosus David B. Dunn 1946-8-17 Dunn 2697 Riverside Dry ground among the bracken ferns, one half mile along the trail to hidden lake From taquitz valley trail turnoff. 2438 Comment
  RSA741210  Pentachaeta aurea Scott D. White, Justin M. Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1951100  Pentachaeta aurea Scott D. White, Justin Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR122535  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6661 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UC1505621  Pentagramma maxonii Robert T. Clausen and Harold Trapido 1940-6-18 4675 Riverside mouth of Chino Canyon; Salton Sea Basin 457 Comment
  RSA0070919  Pentagramma maxonii L. S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA0070718  Pentagramma triangularis subsp. triangularis Steve Boyd, Aydee Virgen 2004-4-13 10893 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CAS-BOT-BC77475  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  CAS-BOT-BC77492  Peritoma arborea var. angustata W. R. Dudley 1903-12-28 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC77529  Peritoma arborea var. arborea J. H. Thomas 1949-2-28 47 Riverside Between Banning & Palm Springs Comment
  RSA726521  Perityle emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1402 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  SEINET11809878  Perityle emoryi J. F. Bright, Wyman, C. 1933-1 8076 Riverside near Palm Springs Comment
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  JEPS41229  Petalonyx linearis Edmund Jaeger 1921-3-27 Riverside Thousand Palms Canyon Colorado Desert, Thousand Palms Canyon 304 Comment
  CAS-BOT-BC167772  Petalonyx thurberi Roxana S. Ferris 1918-6-14 983 Riverside On Mecca - Blythe Rd., Shaver's Well Comment
  CAS-BOT-BC167773  Petalonyx thurberi Milo S. Baker 1928-4-3 2793 b Riverside Palm [Canon] Canyon Road to Palm Sps. Comment
  CSUSB920  Petalonyx thurberi John N. Bullock 1970-5-8 Riverside 100 meters southeast of Ca. State Highway 195, 8.9 m. east of the All American Canal. 292 Comment
  SJSU6730  Petalonyx thurberi C. W. Sharsmith 1974-1-6 8015 Riverside Palm Springs Comment
  UCD117303  Petalonyx thurberi Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCD117307  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. 243 Comment
  SBBG69399  Petalonyx thurberi subsp. thurberi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  CAS-BOT-BC326729  Peucephyllum schottii unspecified 1905-4-1 s.n. Riverside Coachella Comment
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Sep 3 2017
  CAS-BOT-BC326765  Peucephyllum schottii Philip A. Munz 1932-3-14 12005 Riverside Magnesia Spring Canyon, Coachella Valley 91 Comment
  CAS-BOT-BC326772  Peucephyllum schottii John Thomas Howell 1928-3-24 3532 Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC326773  Peucephyllum schottii Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  POM6873  Peucephyllum schottii P. A. Munz, L. T. Street, Williams 1919-3-26 2391 Riverside Salton Sea. Comment
  RSA637509  Peucephyllum schottii Scott D. White 1999-4-21 7246 Riverside East end of Coachella Valley: Bajada between little San Bernardino Mts. and Indio hills. 183 Comment
  SEINET9118770  Peucephyllum schottii K. K. Muller 1952-1 559 Riverside 2 mi. N of Dos Palmas on road from Hot Mineral To Mecca-Blythe Hwy. Comment
  CHSC8308  Phacelia Edward L. Smith 1958-3-21 373 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  RSA764131  Phacelia brachyloba L. M. Prince, Duncan S. Bell 2009-6-17 570 Riverside Cleveland National Forest Comment
  UC1007222  Phacelia campanularia Philip A. Munz 1940-3-23 15716 Riverside wash 3 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  UC519860  Phacelia campanularia subsp. vasiformis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  RSA764120  Phacelia cicutaria var. hispida L. M. Prince, Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest Comment
  UC672399  Phacelia cicutaria var. hispida Herbert L. Mason 1926-4-30 3136 Riverside 2 mi s Temecula Comment
  UCD120320  Phacelia cicutaria var. hispida Raymond A. Evans 1949-5-14 s.n. Riverside Santa Ana Canyon, west of Corona. Comment
  UCR187468  Phacelia cicutaria var. hispida Diane Menuz 2006-6-6 134 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  UCR258758  Phacelia cicutaria var. hispida T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7916 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 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
  JEPS2302  Phacelia crenulata var. ambigua Dr. L. M. Newlon 1922-4-3 426 Riverside 6 mi w Indian Wells; Colorado Desert Comment
  UC881059  Phacelia crenulata var. ambigua Lewis S. Rose 1937-4-9 36133 Riverside Palms to Pines Hwy 15 mi w Indio 838 Comment
  UC881060  Phacelia crenulata var. ambigua Aven Nelson and Ruth A. Nelson 1939-3-29 3332 Riverside near Hidden Springs (near Mecca) Comment
  JOTR35147  Phacelia crenulata var. crenulata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3259 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  UC1595792  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan, M. Wall 1992-3-25 4647 Riverside n I-10; Lowdesert, Ford Dry Lake, Hopkins Well Comment
  UC666587  Phacelia curvipes Harlan Lewis 1942-5-3 1603 Riverside burn 1 mi w Pinyon Flats ((Calif Hwy 74)) Comment
  SEINET3091912 Image available Phacelia davidsonii Steve Myers, Ed LaRue 1989-3-20 Riverside Palmedale area, Elizabeth Lake Road at California Aqueduct. Comment
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May 19 2016
  JOTR34035  Phacelia distans La Doux, Tasha, M. Harding 2010-4-7 2919 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
  POM182077  Phacelia distans P. A. Munz 1932-3-14 11973 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA770317  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4408 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
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 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. 823 Comment
  RSA781797  Phacelia distans Duncan S. Bell 2010-5-1 883 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA85090  Phacelia distans J. C. Roos 1952-4-9 5493 Riverside Riverside, W face of Mt. Rubidoux. 400 Comment
  UC667341  Phacelia distans Annie M. Alexander and Louise Kellogg 1941-5-7 2135 Riverside Split Rock Joshua Tree National Monument 1310 Comment
  UCR164936  Phacelia imbricata T. B. Salvato, John F. Green 2004-5-27 620 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
  UCR8339  Phacelia imbricata subsp. patula B. Freeman 1969-7-25 690625- 34 Riverside San Jacinto Mtn., University of California James Reserve, Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild 1646 Comment
  UC1021341  Phacelia ivesiana var. pediculoides Harlan Lewis and Margaret Lewis March 1955 Riverside 2 mi e school (on road to Clark Lake); Borrego Valley Comment
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Feb 19 2013
  CLARK-A1703-1209  Phacelia minor Charles S. Papp 1965-4-15 806 Riverside Box Springs Mountains Comment
  RSA428090  Phacelia minor E. Crow 1929-3-17 195 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA524582  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4130 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
  RSA562120  Phacelia minor Steve Boyd 1992-4-14 6786 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
  RSA612495  Phacelia minor D. L. Banks 1997-2-23 1322 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SEINET3091898 Image available Phacelia minor B. Pitzer, L. LaPre 1987-3-2 441 Riverside Bundy Canyon, ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. (Romoland 7.5' quad). Comment
  UC68748  Phacelia minor H. M. Hall April, 1905 5754 Riverside Whitewater Colorado Desert 243 Comment
  UCR133411  Phacelia minor Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 320 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR47234  Phacelia minor B. G. Pitzer, L. F. LaPre 1987-3-2 0441 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA645620  Phacelia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA78725  Phacelia pedicellata P. A. Munz 1952-4-15 17342 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  LA205627  Phacelia ramosissima Elizabeth McClintock; 1941-5-19 9 Riverside rd to Santa Rosa Peak Comment
  SEINET7063446  Phacelia suaveolens A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UCR2652  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR265849  Phalaris minor Mitch Provance 2013-4-8 413- 05 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC253558  Phleum alpinum H. M. Hall 1901-6-1 2351 Riverside In meadows and bots of Tahquitz Valley, San Jacinto Mountains 2438 Comment
  CAS-BOT-BC134987  Phoradendron bolleanum H. E. Parks 1946-2-1 24406 Riverside Santa Rosa canyon, W side of Colorado Desert Comment
  CAS-BOT-BC135108  Phoradendron californicum W. R. Dudley 1903-12-31 s.n. Riverside Indio Comment
  UCR48553  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside San Bernardino Mtns., Whitewater Canyon, 3 mi. north of I-10 and 1 mile south of Whitewater trout co. 442 Comment
  UCSB1315  Phoradendron californicum Sturdy, C. 1957-4-21 Riverside 10 mi East of Coachella on route 60 60 Comment
  UCSB1316  Phoradendron californicum Gray, Caroline 1956-4-14 Riverside Northern Desert slope 2 mi. opposite Southern entranceof Joshua Tree National Monument Comment
  JOTR30780  Phoradendron densum La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1890 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  RSA296171  Phoradendron densum Barry A. Prigge 1980-8-5 3871 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
  RSA500091  Phoradendron villosum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3220 Riverside Vail Lake Area, at N end of Kolb Creek, near campground. 457 Comment
  RSA289848  Phragmites australis B. A. Prigge 1980-9-17 4056 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  UCR242119  Physalis crassifolia Jim Andre 2011-2-9 15923 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
  UCR37627  Physalis crassifolia George K. Helmkamp 1984-5-2 D 19 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA718292  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  UCR77756  Pilularia americana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6348 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UCSB16195  Pinus coulteri Lockwood, Leo 1963-5-4 Riverside Roadside, 2 mi. south of Black Mountain Road on Banning-Idyllwild Road, R 1 1219 Comment
  JEPS46817  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
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Apr 11 2014
  CAS-BOT-BC72839  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  RSA334993  Piptatherum miliaceum Steve Boyd 1985-7-23 1018 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  UCR241921  Pistacia atlantica A. C. Sanders, Timothy W. Chumley 2013-3-28 40701 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  CDA36023  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert; Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. Comment
  RSA528104  Plagiobothrys canescens Scott D. White 1991-4-10 91 -68 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  SEINET1909857  Plagiobothrys canescens A. C. Sanders, J. C. Lyman 1995-1 16560 Riverside Glen Avon; Sand dune area on N. Slope of Jurupa Jills (draining toward Fontana), Pyrite St. Canyon (Fontana 7.5 Q.) Comment
  UCR177420  Plagiobothrys canescens Scott D. White, Michael Honer 2003-4-4 8944 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR103182  Plagiobothrys collinus Scott D. White, Julie Greene 1997-3-12 4785 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR108842  Plagiobothrys collinus Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR70811  Plagiobothrys collinus P. A. Munz, R. D. Harwood 1920-2-28 3234 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  POM13692  Plagiobothrys collinus var. fulvescens P. A. Munz 1922-6-24 5808 Riverside Pipe Creek, Hemet Valley 1524 Comment
  UCR265816  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-5-24 512- 06 A 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. 784 Comment
  RSA741117  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-6-18 12243 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA741372  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-5-15 11982 Riverside Johnson Meadow. 1415 Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  POM368988  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside near Perris Comment
  RSA0012077  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  CLARK-A1045-165  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  RSA709076  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro. 10 Comment
  SD236240  Plagiobothrys nothofulvus John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S Generaly Kearny Toad and La Serena Way; E of Veterans park (Bachelor Mtn. 7.5'Q) 366 Comment
  UCR87662  Plagiobothrys tenellus A. C. Sanders 1994-5-29 14575 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA198937  Plantago bigelovii subsp. californica Robert F. Thorne, Ora M. Clark, E. W. Lathrop, S. Carlquist 1968-4-18 37445 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UC1929718  Plantago erecta Scott D. White 2003-3-21 8814 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCR231759  Plantago erecta John F. Green 2008-4-23 09- 11 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR232036  Plantago erecta John F. Green 2008-4-24 11- 01 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Kimes Ln. 511 Comment
  HSC80287  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 mi. W of Rancho California at the junction of Rancho California Rd. & De Luz Rd. 427 Comment
  SD187451  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 459 Comment
  RSA741085  Plantago major Justin M. Wood 2008-11-17 226 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA796014  Plantago ovata Duncan S. Bell 2009-4-18 248 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR103575  Plantago ovata George K. Helmkamp 1998-1-17 2527 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  RSA278979  Plantago ovata var. fastigiata Barry A. Prigge, L. Martinez 1978-3-23 2425 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA475296  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2104 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  POM157910  Plantago patagonica P. A. Munz 1927-5-20 10809 Riverside 10 miles S. of Hemet. Comment
  CAS-BOT-BC93217  Platanus racemosa Herman Knoche 1919-6-1 594 Riverside Palm Springs. Comment
  SEINET10476457  Platanus racemosa James S. Miller 1992-5-8 Miller 7463 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  RSA13843  Platystemon californicus P. A. Munz 1922-4-28 5032 Riverside Temescal Canyon. Comment
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Apr 3 2011
  RSA182352  Platystemon californicus J. D. Olmsted 1962-5-2 3451 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UCR220129  Platystemon californicus D. E. Bramlet 1989-4-7 1826 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 7200 ft. east of the dam and 700 ft. north of Lake Skinner 473 Comment
  UCR59662  Platystemon californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2935 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  SEINET13710927  Platystemon californicus S. W. Austin, S. W. Austin 1969-1 23 Riverside W Slope of Mts, E of Railroad Tracks & N of RaviNE N of Big Springs Rd 1500 Ft 457 Comment
  RSA697729  Pleuraphis rigida J. Russell Bruff 1928-4-1 91 Riverside Mesa above Whitewater. Comment
  RSA718770  Pleuraphis rigida Michael Honer, L. Hulse 2004-4-4 1931 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA780232  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 111 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
  CAS-BOT-BC326578  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canyn 11 km. west of Coachella, Colorado Desert 30 Comment
  OBI8141  Pleurocoronis pluriseta David J. Keil 1977-3-28 12076 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd. 11 mi S of northern park boundary. Comment
  POM6546  Pleurocoronis pluriseta P. A. Munz, L. T. Street, Williams 1919-3-25 2329 Riverside Palm Springs. Comment
  RSA336419  Pleurocoronis pluriseta R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52050 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA472089  Pleurocoronis pluriseta Christopher Davidson 1980-4-4 9948 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
  UCR189287  Pluchea odorata Fred M. Roberts, S. Leatherman 2007-9-19 6586 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA472128  Pluchea sericea M. B. Dunkle 1933-5-6 3430 Riverside Canyon N of Catherdral Canyon Comment
  SD136950  Poa annua Steve Boyd 1992-4-14 6816 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. From Verdugo Tr. S to crest of ridge W side of Bluewater Cyn. 730 Comment
  RSA543768  Poa secunda Steve Boyd, Mike Hammitt 1991-5-2 6028 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA561809  Poa secunda Steve Boyd 1992-4-14 6835 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Jun 7 2009
  UC39551  Poa secunda subsp. secunda H. M. Hall June, 1901 2064 Riverside San Jacinto Mts 1615 Comment
  SD186302  Polygonum argyrocoleon A. C. Sanders 1992-3-21 12075 Riverside Sonoran Desert: Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -43 Comment
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Sep 30 2012
  CLARK-A1528-759  Polygonum aviculare Roberta H. Smith 1969-5-6 33 Riverside Riverside 152 Comment
  JOTR32468  Polygonum aviculare subsp. depressum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2613 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR67300  Polygonum persicaria Les Ede 1991-3-12 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, SE of Ripley. E side of drain on 30th Ave. at Defrain Blvd. 75 Comment
  POM259113  Polygonum sawatchense subsp. sawatchense P. A. Munz 1938-8-14 15359 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM20514  Polypodium hesperium E. C. Jaeger 1923-6-28 s.n. Riverside Long Valley, San Jacinto Mountains 2590 Comment
  RSA570754  Polypogon interruptus Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 s.n. Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  RSA753216  Polystichum imbricans subsp. curtum Orlando Mistretta 2009-7-10 3991 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
  JEPS64528  Populus fremontii subsp. fremontii S. B. Parish 1913-3-1 8470 Riverside Cult. at Railway station Indio Indio (Salton Basin); Salton Basin -6 Comment
  SBBG125914  Populus fremontii subsp. fremontii L. Gross with B. O'Brien 2013-3-18 5951 Riverside Fairmount Park, W side of Lake Evans, NE of Mount Rubidoux 238 Comment
  UCR125293  Populus nigra A. C. Sanders 2002-11-21 25634 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA613642  Porophyllum gracile D. L. Banks, Victor W. Steinmann 1997-3-13 1477 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR280994  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 56 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  CDA844  Potamogeton pectinatus L. C. Wheeler 1953-3-3 7034 Riverside Sonoran (Colorado) Desert; Alligator Slough on the Colorado River 0 Comment
  UCR105729  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains, Fulmor Lake Comment
  SD128282  Potentilla glandulosa subsp. reflexa R. Mitchell Beauchamp 1971-5-15 2417 Riverside Black Mt. campground, San jacinto Mountains 2100 Comment
  UCR242297  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40423 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR116946  Proboscidea louisianica A. C. Sanders, D. Malueg 2001-5-17 24355 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  CAS-BOT-BC206981  Prosopis glandulosa var. torreyana Roxana S. Ferris 1918-6-19 1006 Riverside In Colorado River bottom at Blythe. Comment
  POM244814  Prosopis glandulosa var. torreyana E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek, 20 miles south of Hemet 976 Comment
  SFV7924  Prosopis glandulosa var. torreyana T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1287 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UC64625  Prosopis glandulosa var. torreyana H. M. Hall May 17 1901-Jun 1 1901 1841 Riverside Palm Canyon Comment
  SD247497  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Sonoran (Colorado) Desert:Chocolate Mountains, along Gasline Road atmajor wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Cloud Canyon 7.5'Q) 205 Comment
  CLARK-A1528-4031  Prunus fremontii John C. Roos, Lucille Roos 1953-3-21 5908 Riverside Palm Springs 274 Comment
  UCR132746  Prunus fremontii Scott D. White 1993-2-5 1047 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  RSA774303  Psathyrotes ramosissima Duncan S. Bell 2011-4-7 2180 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  UC829342  Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi s Cathedral City 45 Comment
  UCR235924  Psathyrotes ramosissima Jeremiah George 2012-5-4 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, toward end of pavement on Salvia Rd. north of Gene Autry Trail, near I-10 183 Comment
  UCR92367  Psathyrotes ramosissima F. M. Reed 1927-3-18 5403 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 122 Comment
  CAS-BOT-BC356596  Pseudognaphalium biolettii Nancy Ryan Zabriskie 1973-4-6 624 Riverside Along trail ca 25' N of stream, ca 30 yds downstream from Big Pool. Andreas Canyon, E slope San Jacinto Mtns. (Site A-1) 335 Comment
  UCR155329  Pseudognaphalium biolettii A. C. Sanders, Mike Misenhelter 2005-3-23 29261 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR22030  Pseudognaphalium biolettii Steve Boyd 1980-5-3 196 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR280926  Pseudognaphalium biolettii Mitch Provance 2017-5-25 517- 63 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UCR280938  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 14 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  JEPS26595  Pseudognaphalium thermale Peter Kamb 1948-10-31 1280 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  LA6325  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, above Herley Creek Camp Comment
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Feb 23 2014
  RSA500095  Psilocarphus brevissimus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3215 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR266311  Psilocarphus brevissimus D. E. Bramlet 1991-6-1 2190 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W Florida Ave. at EMWD canal 457 Comment
  UCR266315  Psilocarphus brevissimus D. E. Bramlet 1991-4-3 2109 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  PASA2297  Psilocarphus globiferus Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 380 Comment
  RSA713573  Psilocarphus tenellus var. globiferus R. E. Riefner 2005-4-22 05 -242 Riverside W roadside of Hwy 79 between Old Newport Road and Patton Road. 469 Comment
  CLARK-A1528-5058  Psoralea californica John C. Roos 1941-5-10 125 Riverside San Jacinto Mountains Comment
  UC15158  Psorothamnus arborescens var. simplicifolius Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley San Jacinto Valley (Southern California) Comment
  CAS-BOT-BC353633  Psorothamnus emoryi D. E. Breedlove 1961-9-11 1257 Riverside 20 miles W of Blythe 106 Comment
  RSA293531  Psorothamnus emoryi C. W. Tilforth 1979-8-8 1907 Riverside S edge of Palm Desert along Highway 74, SE of Palm Springs, Riverside Co. 76 Comment
  RSA48326  Psorothamnus emoryi E. K. Balls 1949-4-4 129060 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  UCR227034  Psorothamnus emoryi Jim Andre 2011-2-9 15944 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  CAS-BOT-BC340894  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 a Riverside Palm Canon [Canyon] Road to Palm Springs Comment
  CAS-BOT-BC340904  Psorothamnus schottii Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9007 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  RSA0042833  Psorothamnus schottii Duncan S. Bell, LeRoy Gross 2014-3-13 6245 Riverside Orocopia Mountains; southern section of range; approximately 1.9 air miles west northwest of Clemens Well. 285 Comment
  RSA0022493  Psorothamnus schottii Bonnie C. Templeton 1930-4-9 1000 Riverside North of Palm Springs 305 Comment
  JEPS41682  Psorothamnus spinosus E. E. Schellenger 1903-7 2 Riverside Chuckawalla Bench Comment
  SBBG3324  Psorothamnus spinosus M. Van Rensselaer 1945-11-18 1919 Riverside S of Cathedral City Comment
  UCSB3065  Psorothamnus spinosus Keator, Glenn 1959-5-17 Riverside West edge of Colorado Desert between Palm Desert and Palm Springs Comment
  RSA467857  Pterospora andromedea L. C. Wheeler 1931-10-3 234 Riverside Strawberry Valley, San Jacinto Mts. 1890 Comment
  CLARK-A1528-3794  Pterostegia drymarioides John C. Roos 1952-3-19 5397 Riverside Box Springs Mountains 457 Comment
  UC2015555  Pterostegia drymarioides A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16157 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR113133  Pterostegia drymarioides A. C. Sanders 1998-3-11 21679 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR147570  Pterostegia drymarioides Rashmi Pant, D. L. Banks 1996-5-1 1016 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Cleveland National Forest: Along the Cutca Trail, east of the Cutca Valley, c. 0.5 miles west of the Aguanga Trail Junction Comment
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  UCR18860  Pulicaria paludosa John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  UCR277744  Quercus Mitch Provance 2012-9-11 912- 04 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR169247  Quercus X acutidens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 75 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  UCR180579  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SBBG118928  Quercus agrifolia var. oxyadenia R. E. Riefner, A. Sanders 2005-8-12 05 -599 Riverside vicinity of McMullen Flat on SR 243 at Valley Hi County Park; San Jacinto Mtns 1139 Comment
  UCR262242  Quercus berberidifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3719 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
  UCR273002  Quercus berberidifolia Mitch Provance 2012-9-13 912- 02 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  UCR273243  Quercus berberidifolia Mitch Provance 2012-1-25 17386 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  CAS-BOT-BC62434  Quercus chrysolepis Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz, San Jacinto Mts. Comment
  SD229168  Quercus chrysolepis Dick Schwenkmeyer 2012-8-27 810 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UCD45613  Quercus cornelius-mulleri W. L. Jepson 1914-5-1 6001 Riverside Canyon at Pinyon Well (in mts. N. of Indio). Mohave Desert. Comment
  RSA509348  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  RSA650069  Quercus engelmannii Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. Comment
  POM123042  Quercus kelloggii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  UCR169243  Quercus kelloggii Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 83 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCSB1184  Quercus kelloggii Haller, Norman 1953-5-23 Riverside Hwy. 74, 1 mile west of Idyllwild turnoff, San Jacinto Mts. 1310 Comment
  UCR262386  Quercus wislizeni Tom Scott 2011-1 2011- 573 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 6.1 miles up canyon 1470 Comment
  RSA221005  Quercus wislizeni var. frutescens E. W. Lathrop 1966-5-29 6385 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SBBG52703  Quercus wislizeni var. frutescens C. Davidson 1977-5-18 5631 Riverside Bear Springs 1219 Comment
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Dec 3 2006
  UCSB34690  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.5 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  RSA731015  Rafinesquia californica Michael Wall 2008-4-18 447 Riverside San Jacinto Valley, Bautista Canyon SE of Hemet, ca. 5.5 miles SE of Fairview Ave. 746 Comment
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  JEPS37574  Rafinesquia neomexicana W. L. Jepson 1927-4-14 11705 Riverside se end Santa Rosa Mts.; , Silent Canyon 304 Comment
  RSA779584  Rafinesquia neomexicana Duncan S. Bell 2009-3-7 16 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR177264  Rafinesquia neomexicana Scott D. White 2003-3-23 8833 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR84839  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16135 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCSB22560  Ranunculus alismifolius Head, W. 1966-5-14 Riverside Skunk Cabbage Meadow along Round Valley Trail. San Jacinto Mtns. 2499 Comment
  CAS-BOT-BC378984  Ranunculus aquatilis var. diffusus P. A. Munz 1922-4-28 5022 Riverside 5 mi northwest of Corona in small branch of Chino Creek 229 Comment
  UCR65291  Ranunculus sceleratus Steve Boyd, T. S. Ross 1989-8-28 3807 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UC592703  Rhamnus californica P. C. Everett 1935-6-17 Riverside 0.5 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Canyon 457 Comment
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Jan 11 2007
  RSA314404  Rhamnus ilicifolia Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55387 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA471020  Rhododendron occidentale George Willet 1931-6-24 s.n. Riverside San Jacinto Mountains. Comment
  POM15029  Rhododendron occidentale var. californicum Mary F. Spencer 1922-6-26 698 Riverside pr. [=near] Idyllwild. 1524 Comment
  POM48363  Rhododendron occidentale var. californicum P. A. Munz, I. M. Johnston 1924-7-27 8787 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  RSA0120133  Rhus aromatica Duncan S. Bell, Thomas Stoughton 2016-4-13 9253 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  IRVC88  Rhus ovata D. DeVault 1965-4-24 s.n. Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  POM13126  Rhus ovata I. M. Johnston 1922-5-18 5327 Riverside Glen Ivy Comment
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Sep 24 2013
  RSA403694  Rhus trilobata var. anisophylla M. B. Dunkle 1935-3-31 4441 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  RSA476150  Ribes cereum M. B. Dunkle 1933-7-23 3762 Riverside San Jacinto Peak 3302 Comment
  SDSU13628  Ribes indecorum W. Miller, C. Mosse 1972-7-20 Riverside Comment
  RSA673630  Ribes malvaceum var. viridifolium Scott D. White, Tasha LaDoux 2000-4-20 7686 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  CAS-BOT-BC212608  Ribes montigenum Edmund C. Jaeger 1921-6-19 s.n. Riverside Round Valley, San Jacinto Mountains 2743 Comment
  HSC86125  Ribes nevadense Jane Hildreth 1981-6-4 23 Riverside San Jacinto Mtns., San Bernardino National Forest, Bay Tree Springs along Hwy. 243, 12 mi. S of Banning 1646 Comment
  UCR47226  Ribes quercetorum B. G. Pitzer, Jack Easton 1987-3-10 407 B Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UC50168  Romneya coulteri H. M. Hall 1897-5-27 568 Riverside Corona Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UCR25086  Rumex acetosella A. C. Sanders 1980-7-22 1720 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  RSA559315  Rumex conglomeratus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7373 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  OBI37541  Rumex salicifolius Steve Boyd 1985-7-23 1015 Riverside De Luz Rd, 8 mi W of Rancho California; In Sandia Crk 305 Comment
  RSA709233  Rumex salicifolius T. B. Salvato 2005-6-23 1296 Riverside Peninsular Range, Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15. 412 Comment
  UCR194222  Rumex salicifolius Scott D. White, Angelia Carey 2004-6-4 10480 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA586307  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0218 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  JEPS62509  Salazaria mexicana W. L. Jepson 12621 Riverside near Eagle Mts. Cottonwood Spr; Colorado Desert, , Cottonwood Spr 731 Comment
  CAS-BOT-BC103891  Salix exigua 1932-4-12 s.n. Riverside unspecified Comment
  CAS-BOT-BC103901  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Can., Coachella Valley Comment
  RSA6465  Salix exigua H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108117  Salix gooddingii F. R. Fosberg 1932-3-13 8081 Riverside Thousand Palms Can., Coachella Valley Comment
  UCR139631  Salix gooddingii A. C. Sanders 2004-6-30 28400 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR155939  Salix gooddingii 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
  JOTR00984  Salix gooddingii Cole, James E. 1941-5-27 795 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR25939  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  UCR261417  Salsola paulsenii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41424 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SDSU13042  Salsola tragus James C. Dice, J. Dewald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  RSA0095107  Saltugilia australis N. C. Cooper 1944-5-20 1281 Riverside Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  RSA67079  Saltugilia splendens Verne Grant, Alva Grant 1951-4-7 15984 Riverside Below Morongo Valley on road to White Water 732 Comment
  UCR251976  Saltugilia splendens A. C. Sanders, T. B. Salvato 2014-7-2 41173 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA0116712  Saltugilia splendens subsp. splendens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4524 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA411322  Salvia apiana N. C. Cooper 1944-5-6 2635 Riverside Whitewater Canyon. 457 Comment
  UCR159206  Salvia apiana A. C. Sanders, Kelly Volansky 2005-8-31 31565 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
  UCR234759  Salvia apiana A. C. Sanders, John F. Green 2012-6-25 40314 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
  RSA543758  Salvia columbariae Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6058 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
  RSA771675  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4989 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SDSU21842  Salvia columbariae Kalee Koeslag, Allen Schellerup 2016-4-16 5 Riverside Santa Margarita Ecological Reserve, in Stone Creek woodland old road off of Red Mountian Truck Trail 183 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  UCLA69708  Salvia eremostachya C. Epling and Mrs. Epling 1937-6-6 Riverside 0.6 mi below Shumway (Palms to Pines Hwy) Comment
  UCR17967  Salvia eremostachya A. C. Sanders 1976-4-20 0847 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR18807  Salvia greatae John C. Roos, Lucille Roos 1949-4-6 4154 Riverside Sonoran (Colorado) Desert, [North] foot of the Chocolate Mountains, north of Pope. Salt Creek area 91 Comment
  RSA524448  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4084 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
  UCR120296  Salvia mellifera Mitch Provance 1998-2-13 16 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR91418  Salvia mellifera Scott D. White 1995-4-5 2708 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  CAS-BOT-BC224851  Salvia pachyphylla H. M. Hall 1901-7-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  POM13403  Salvia pachyphylla subsp. pachyphylla E. C. Jaeger 1922-8-20 1010 Riverside North slope of San Jacinto Mountain. 1829 Comment
  SD49856  Salvia vaseyi Peter H. Raven 1958-5-6 12929 Riverside San Jacinto Mountains: Southwest of Palm Desert 10.2 miles on State Highway 74 762 Comment
  JEPS57289  Sambucus mexicana L. R. Heckard and R. C. Bacigalupi 1968-5-5 1805 Riverside 2.6 mi n Radec 548 Comment
  SDSU13636  Samolus parviflorus W. Miller, C. Mosse 1972-7-20 Riverside Growing out of crack in rock near pools in bedrock in the northwest section. Comment
  RSA470833  Sanicula arguta E. Crow 1929-4-7 318 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  UCR212674  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd 427 Comment
  UCR48492  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA496458  Sanicula crassicaulis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3074 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA715255  Sanicula crassicaulis A. C. Sanders 2006-5-19 32455 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
  UCR25136  Sanicula tuberosa T. Gull 1973-5-19 s.n. Riverside San Jacinto Mtns., Hwy 74, [below Mountain Center] 5 mi. south of Idyllwild 1500 Comment
  UC665744  Sarcostemma cynanchoides subsp. hartwegii Ira L. Wiggins 1941-3-26 9663 Riverside along wash at Wiley Well Comment
  UCR29624  Saxifraga californica Don Emery 1983-3-25 s.n. Riverside Box Springs Mtns., E of Riverside. On the U.C. Reserve on the crest of the range, near the 'C'. 732 Comment
  RSA716544  Schinus polygamus Andrea Edwards, Lindsay Messett 2006-3-22 119 Riverside Beaumont USGS quad; just south of Highway 60, west of its intersection with Interstate 10, along railroad tracks; next to Dowling Ranch. 777 Comment
  CAS-BOT-BC239935  Schismus arabicus John Thomas Howell 1977-3-12 52358 Riverside Wash bottom of Cottonwood Canyon, Joshua Tree Nat. Mon. Comment
  RSA758330  Schismus arabicus Doug Goldman 2005-3-3 3037 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  RSA466562  Schismus barbatus Christopher Davidson 1973-4-1 1803 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA774307  Schismus barbatus Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2194 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA776352  Schismus barbatus Duncan S. Bell, Amanda Turek 2010-4-10 802 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR20979  Schoenoplectus americanus A. C. Sanders, S. D. Boyd, J. Zabriskie 1980-4-17 1338 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UCR278569  Schoenoplectus californicus Mitch Provance 2012-9-5 912- 07 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  POM153368  Schoenoplectus maritimus Phillip A. Munz, I. M. Johnston 1928-9-12 11243 Riverside North end of Lake Elsinore. Comment
  RSA192305  Scirpus acutus var. occidentalis Anonymous 1966-6-1 6365 Riverside Los Alamos Road, Tenaja Range. 14 miles NW of Murrieta. Comment
  POM49847  Scirpus microcarpus Phillip A. Munz, I. M. Johnston 1924-7-29 8885 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA772852  Scrophularia californica Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4839 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
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Oct 5 2016
  RSA618385  Scrophularia californica subsp. floribunda D. L. Banks 1997-5-5 1980 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
  UC1518632  Scrophularia californica subsp. floribunda Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55485 Riverside 4 mi n Whitewater Post Office (along Whtiewater River where road crosses river below fish hatchery); San Bernardino Mts 640 Comment
  UCR4115  Scrophularia californica subsp. floribunda Ronald M. Cope 1965-3-27 s.n. Riverside 0.5 mi east of a point on Canyon Crest Drive, 1.5 mi south of fire prevention laboratory, Riverside 366 Comment
  RSA0036810  Scrophularia californica subsp. floribunda Bob Rogers 1984-4-28 25 Riverside Adjacent to and on the south side of Highway 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1219 Comment
  OBI71050  Scutellaria mexicana Larry Kelly, David J. Keil 1988-4-16 55 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshua Tree natl Monument Comment
  RSA697610  Securinega fasciculata var. hallii J. R. Bruff 1928-4-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  RSA683764  Selaginella bigelovii Mary V. Hood 1945-3-27 s.n. Riverside Verdugo Ranch near Aguanga, Riverside -San Diego Co line. 610 Comment
  UCR22081  Selaginella bigelovii Steve Boyd 1980-5-3 197 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR9  Selaginella bigelovii Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  SDSU1920  Selaginella watsonii Louis C. Wheeler 1931-10-3 456 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  UCR18572  Senecio californicus John C. Roos 1966-4-5 s.n. Riverside Winchester Comment
  CAS-BOT-BC323996  Senecio flaccidus var. douglasii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canon near San Jacinto. Comment
  CAS-BOT-BC364132  Senecio mohavensis John Thomas Howell 1928-3-24 3527 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC364133  Senecio mohavensis Edmund C. Jaeger 1922-3-19 s.n. Riverside Painted Canyon near Mecca Comment
  JOTR36444  Senecio mohavensis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3414 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA612491  Senecio vulgaris D. L. Banks 1997-2-23 1326 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SD229145  Senegalia greggii Dick Schwenkmeyer 2012-10-16 844 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCSB2961  Senegalia greggii Keator, Glenn 1959-5-17 Riverside West side of Colorado Desert on Pines to Palms highway Comment
  CAS-BOT-BC438209  Sesuvium verrucosum Steve Boyd; Darin Banks 1994-9-29 8372 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River, west of Sedco Hills community. 381 Comment
  UC68551  Sesuvium verrucosum H. M. Hall Apr. 1905 5968 Riverside Paloverde Valley; Colorado Desert, Paloverde Valley 76 Comment
  UCR82223  Sesuvium verrucosum J. M. Stewart 1994-5-2 852 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  UCR100568  Sibaropsis hammittii Steve Boyd, T. S. Ross 1992-4-1 6775 Riverside Santa Ana Mountains, Elsinore Peak area, south of Lake Elsinore. S base of peak (3448') to SE of Elsinore Peak. 1000 Comment
  CSUSB813  Sidalcea malviflora Kirk Taylor 1976-5-23 Riverside Mesa de Colorado; 9 miles west of Murrieta, on Tenaja Road. 548 Comment
  UC1979569  Sidalcea malviflora Darin L. Banks, Steve Boyd 1995-5-9 0405 Riverside Cleveland National Forest, 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. Comment
  UCR50582  Sidalcea malviflora B. G. Pitzer, E. Misquez 1988-2-28 0630 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  SEINET13709268  Sidalcea malviflora J. Adams, J. Adams (Botany) 1966-1 751 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  RSA507472  Sidalcea malviflora subsp. sparsifolia Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  CAS-BOT-BC109428  Sidotheca emarginata F. M. Reed 1908-7-14 2447 Riverside San Jacinto Mountains. Ridge on South side of Tahquitz Mountain. 2438 Comment
  CAS-BOT-BC434389  Sidotheca trilobata John Thomas Howell 1931-5-30 6614 Riverside Santiago Peak, Santa Ana Mts. Comment
  CAS-BOT-BC384578  Silene coniflora Steve Boyd; Darin Banks 1994-4-5 8264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  RSA619574  Silene laciniata subsp. major D. L. Banks 1997-5-5 2009 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA571315  Silene multinervia Steve Boyd, D. L. Banks 1994-4-5 8264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  CAS-BOT-BC389577  Silene parishii Louis C. Wheeler 1931-10-3 224 Riverside N side Tahquitz Peak, San Jacinto Mts. 2621 Comment
  RSA0086985  Silene platyota Fred M. Roberts 2003-6-25 5936 Riverside Santiago Peak, old road near Orange County line, ca. 150 m N jct. with Main Divide Truck Trail, 0.5 km north summit. 1633 Comment
  RSA0103314  Simmondsia chinensis Jim M. Andre 2012-4-11 20706 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  SBBG71057  Simmondsia chinensis Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SBBG71063  Simmondsia chinensis R. Hoffmann 1929-2-9 Riverside Mecca-Blythe Comment
  UC1130466  Simmondsia chinensis R. St. John 1931-1 210 Riverside Comment
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May 19 2015
  UC592744  Sinapis alba Carl B. Wolf 1936-4-21 7769 Riverside 4 mi W of Riverside (S of Jurupa Road) 304