Search Results — 2000 specimen records retrieved (1894 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229022  Abies concolor Dick Schwenkmeyer 2012-8-7 787 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA160409  Abronia villosa John Olmsted 1958-6-15 185 Riverside N shore of Hemet Lake, 10 miles S of Mtn Center, San Jacinto Mtns, S Fork San Jacinto road. 1311 Comment
  RSA652381  Abronia villosa C. J. Humphrey, Herbert Humphrey 1936-6-8 76 Riverside Along roadside in desert 20 miles west of Indio Comment
  SBBG35008  Abronia villosa T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  SDSU8426  Abronia villosa Thomas A. Zink 1971-3-1 Riverside Scattered plants growing in the dry, sandy bottom of the San Jacinto River, near the bridge at the junction of State Highway 74 and Soboba Springs Rd. 488 Comment
  SEINET893736  Abronia villosa Str Richard 1964-1 78 Riverside Along U. S. Highway 99, 4 miles east of Whitewater, east of San Gorgonio Pass. 274 Comment
  UC410541  Abronia villosa Mrs. E. C. Van Dyke July 1925 Riverside above road from Idyllwild desert Comment
Read comments
Sep 3 2011
  UCR116812  Abronia villosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23942 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA461192  Abronia villosa var. aurita Ora M. Clark 1929-2-22 1576 Riverside E. of Whitewater Comment
  RSA799920  Acacia dealbata Justin M. Wood, D. M. Ray 2011-4-28 3841 Riverside Sonoran Desert: Chuckwalla Valley: Kaisers Eagle Mountain Mine, northwest end of the Chuckwalla Valley. Near old mining community. 340 Comment
  UCR75087  Acacia greggii A. C. Sanders 1992-4-4 12142 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA666720  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Temecula, Long Canyon west Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada. 366 Comment
  CAS-BOT-BC30902  Acamptopappus sphaerocephalus H. M. Hall 1905-4-1 5869 Riverside Chuckawalla Bench Comment
  OBI17154  Acamptopappus sphaerocephalus Tracey Call, Viola Call 1962-4-6 2116 Riverside 4 mi w of Desert Hot Springs at rd jctn 213 Comment
  SBBG7490  Acamptopappus sphaerocephalus var. hirtellus C. H. Muller 1953-3-21 146 Riverside Whitewater Cyn Comment
  POM308641  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3208 Riverside Near Blythe. Comment
  UC1523567  Acamptopappus sphaerocephalus var. sphaerocephalus Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54033 Riverside 1/4 mi w (and .5 mi w of Whitewater R at mouth of Whitewater Whitewater P.O.; San Bernardino Mts., Colorado Desert 414 Comment
  UC604854  Acamptopappus sphaerocephalus var. sphaerocephalus Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9539 Riverside 2 mi from Cottonwood Springs; Cottonwood Mts. Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  RSA34578  Achillea millefolium Robert L. Rutherford 1944-7-2 1490 Riverside Palomar Mtn. 1066 Comment
Read comments
Jun 15 2013
  UC29246  Achillea millefolium H. M. Hall 1897-1-1 Riverside San Jacinto Mountains Comment
  CDA28089  Achnatherum coronatum F. J. Willmarth 1962-9-7 Riverside San jacinto Mts.; Garner Ranch, Idyllwild Rd. 0 Comment
  RSA191422  Achnatherum coronatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6607 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Stat. 610 Comment
  RSA772402  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4866 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
  UC817841  Achnatherum hymenoides Ivan Johnston Apr 4 1917-Apr 6 1917 1098 Riverside Whitewater Colorado Desert (in sands about station) Comment
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Feb 3 2013
  UC39994  Achnatherum parishii H. M. Hall May 1899 1167 Riverside Coyote Creek San Jacinto Mountains, El Toro Mt. 1524 Comment
  UCR57209  Achyrachaena mollis Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, SW of Mesa del Burro 612 Comment
  UCD97887  Achyronychia cooperi A. H. Frederick 1928-3-1 s.n. Riverside Palm Springs, Colorado Desert. Comment
  UCR148338  Achyronychia cooperi John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  SD185215  Acmispon argophyllus T. B. Salvato, John F. Green 2004-5-27 632 Riverside Head of Banning Canyon close to the San Bernardino Co. line, 0.5 mile southeast of Oak Gklen Conservation Camp. 1402 Comment
  SD237426  Acmispon brachycarpus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37740 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34a^z) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 427 Comment
  JOTR31171  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  JOTR34089  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  SEINET957560  Acmispon heermannii George K. Helmkamp 1984-1 A- 27 Riverside Big Morongo Canyon near the riverside county line, 2 miles below the Big Morongo Preserve headquarters, floor of the main canyon and to 1/4 mi. up a broad side canyon to the east. 701 Comment
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Dec 3 2014
  SBBG3411  Acmispon heermannii var. heermannii H. and M. Dearing 1942-3-17 4833 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SD152860  Acmispon heermannii var. heermannii Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7348 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  SD136846  Acmispon micranthus Steve Boyd, Orlando Mistretta 1992-4-22 7015 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon & Nickel Canyon, on burn (1989 fire) 609 Comment
  JOTR35503  Acmispon nevadensis var. nevadensis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3191 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  RSA793266  Acourtia microcephala Aaron C. Sedgwick, April Garbat 2012-5-5 98 Riverside West of San Jacinto Forest Service land and south of Hwy. 74. Entry point is from an unmarked road just ~1000 ft. west of the ranger station. Continue through citrus groves to BLM land located in a canyon south of the groves. 610 Comment
  UCR112408  Acourtia microcephala A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23457 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CLARK-A1528-3059  Adenostoma sparsifolium Mike Cline 1966-11-23 Riverside San Jacinto Mountains Comment
  SEINET1910302  Adenostoma sparsifolium A. C. Sanders, R. E. Riefner 2005-1 31547 Riverside San Jacinto Mtns.: Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation (Butterfly Peak 7.5' Q. 1402 Comment
  RSA162790  Adiantum aleuticum J. D. Olmsted 1959-7-16 760 Riverside San Jacinto Mts. 1/2 mi. below Carumba on Tahquitz Cr., 8 mi. east of Idyllwild (below dropoff) 2073 Comment
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Mar 21 2011
  SEINET273140 Image available Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner Area; along foot trail at W base of Tucalota Hills UTM 10km cell; MH-9E 1N. Skinner Reservoir 518 Comment
  RSA22815  Agave deserti subsp. deserti Carl B. Wolf, Percy C. Everett 1939-9-29 9455 Riverside Desert slopes of San Jacinto Range. Deep canyon on Palms to Pines Road, 2.7 miles below road to Dos Palmos Spring. 274 Comment
  UC63089  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 Riverside in meadows of Thomas Valley; San Jacinto Mountains 1371 Comment
  UCR213895  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-22 12892 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA0050598  Agrostis A. C. Sanders, Mitch Provance 2008-7-11 35808 Riverside 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, In moist soil along dried stream crossing on Coldwater Trail, at 42.709 N, 42.404 W. 1450 Comment
  SEINET3916260  Agrostis exarata Scott D. White 2000-8-5 8107 Riverside San JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River).; 0 1402 Comment
  SD127984  Agrostis humilis Michael Curto 1989-8-6 601 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  SD127982  Agrostis idahoensis Michael Curto 1989-8-6 600 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  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
  UCD53277  Agrostis scabra Katharine Brandegee Date Unknown s.n. Riverside Sage. (note by georeferencer at UCD: Sage is in Riverside County at ca. 2500 ft. elevation estimated by georeferencer. Other collections by Brandegee from Sage Mill have been placed in Fresno or Madera Counties. This label just says Sage.) 762 Comment
  UCR202610  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR175070  Ailanthus altissima Teresa Nieto 2005-5-26 26 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA554329  Alchemilla arvensis Joe Di Bernardo 1992-4-16 92 -2 Riverside Coachella Valley, Palm Desert. Comment
  CLARK-A1528-3974  Alchemilla occidentalis John C. Roos 1950-4-22 4751 Riverside Reche Canyon 822 Comment
  RSA67713  Aliciella latifolia Verne Grant, Alva Grant 1952-4-1 17519 Riverside 9 miles E of Mecca Comment
Read comments
Apr 8 2011
  SEINET12509589 Image available Aliciella latifolia A. C. Sanders 1983-1 3803 Riverside Sonoran (Colorado) Desert; E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  UCR129151  Allionia incarnata Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA666659  Allium haematochiton A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCD138541  Allium haematochiton Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  RSA495442  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2970 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR156480  Allium peninsulare Jason L. Hlebakos 2005-5-3 622 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  UCR275933  Allophyllum divaricatum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3784 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SEINET10904656  Alnus rhombifolia James S. Miller 1992-5-8 Miller 7470 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  UCR20916  Alopecurus aequalis A. C. Sanders 1978-7-5 863 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  POM14623  Amaranthus albus H. Baer 1922-9-10 s.n. Riverside Lee Lake, Temescal canyon Comment
  POM319699  Amaranthus albus Patricia Wilder 1970-10-15 4789 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  UC1929320  Amaranthus blitoides Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10669 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UCR119445  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, east side of Streeter Ave. just south of Scott Ave., between Arlington and Central Aves. 238 Comment
  VVC2325  Amaranthus fimbriatus Tim Thomas 2011-10-17 5516 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  JOTR34211  Ambrosia dumosa Harding, Mitzi, Mark Wheeler 2012-9-4 191 Riverside Joshua Tree National Park. Pinto Basin; near turkey flats parking area; sandy flats (Stop 1) 509 Comment
  UC61510  Ambrosia dumosa L. D. Copeland 1904-5-1 6 Riverside Palm Springs Comment
  HSC47331  Ambrosia ilicifolia Richard Spjut, C. E. Edson 1978-5-6 5024 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  POM10301  Ambrosia psilostachya Anonymous 1903-10-19 385 Riverside Old stewart Ranch. West Riverside Comment
Read comments
Apr 7 2011
  RSA737349  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  UCR121890  Ambrosia psilostachya Ian G. Gillespie 2001-5-7 77 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 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
  UCR280928  Ambrosia pumila Mitch Provance 2017-5-26 517- 61 Riverside Elsinore Trough, Lake Elsinore, 0.2 mile north of Pinnell Rd. 393 Comment
  CAS-BOT-BC273006  Ambrosia salsola Winfield 1975-4-27 2412 Riverside Snow Creek Rd ~3 mi from Hiway 111 Comment
  CAS-BOT-BC273025  Ambrosia salsola Munz; Street; Williams 1919-3-25 2322 Riverside Palm Springs Comment
  CAS-BOT-BC273039  Ambrosia salsola Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC273040  Ambrosia salsola John H. Thomas 1957-3-30 6538 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert 518 Comment
  LA83341  Ambrosia salsola O. H. Kappler; 1941-3-15 124 Riverside Morongo Pass Area, at Desert Center Comment
  UC576463  Ambrosia salsola Edith A. Purer 1935-4-19 6360 Riverside along old stage route, Colorado Desert Colorado Desert Comment
  RSA653237  Ammannia coccinea Mitch Provance 2000-7-4 2103 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR110380  Ammannia robusta A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC177261  Amorpha fruticosa H. M. Hall 1900-5-15 s.n. Riverside Reche [Canon] Canyon 457 Comment
  UC56849 Image available Amsinckia intermedia H. M. Hall 1902-4-1 2891 Riverside vicinity Winchester; Diamond Valley; Diamond Valley, Riverside Co. 548 Comment
Read comments
Mar 20 2011
  UCR166162  Amsinckia intermedia John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  SDSU18984  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-5 495 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR154993  Amsinckia retrorsa A. C. Sanders, Kelly Volansky 2005-3-17 29230 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR174237  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32664 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA689374  Amsinckia tessellata Scott D. White 2001-4-19 8379 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  RSA0091469  Amsinckia tessellata P. A. Munz 1949-4-12 13024 Riverside North base of Eagle Mts., Mohave Desert. 945 Comment
  JOTR32139  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2295 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UC1095300  Amsinckia tessellata var. tessellata Peter H. Raven, D. Kyhos 1957-2-15 11572 Riverside Corn Springs; Chuckawalla Mountains Comment
  UC878734  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 1/2 mi. below Cottonwood Spring Comment
  UCR139040  Anagallis arvensis D. L. Banks, V. W. Steinmann 1997-3-13 1414 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA560372  Anagallis arvensis Steve Boyd 1992-4-14 6810 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  CAS-BOT-BC400337  Anemopsis californica Peter H. Raven; Sidney R. Snow 1956-6-30 9529 Riverside 4.7 miles east of Temecula on Highway 71 Comment
  RSA594528  Anemopsis californica D. L. Banks, Dylan Hannon 1996-5-3 1008 Riverside Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; 60 M NW of the end of the Dripping Springs campground drive, where the road makes a loop turn-around, W of the campground road. 493 Comment
  CAS-BOT-BC79937  Antennaria microphylla W. F. Parish 1880-8-1 584 Riverside Summit San Jacinto Mt. Comment
  SEINET9323908  Antheropeas lanosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  JEPS5300  Antirrhinum coulterianum Carl V. Meyer 1929-6-13 755 Riverside Chalk Hill; San Jacinto Mts. 1524 Comment
  RSA114636  Antirrhinum coulterianum Verne Grant 1955-5-17 9599 Riverside On crest of Santa Ana Mts near hwy 74. 811 Comment
  SBBG117123  Antirrhinum coulterianum J. Chandler 2003-6-24 Riverside across from 42525 Wildwood Lane, Aguanga Comment
  UCR183026  Antirrhinum coulterianum Mitch Provance 2003-4-17 4632 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  SEINET3078505 Image available Antirrhinum multiflorum Rodney Hendrick 1965-5-2 s.n. Riverside In shady area 6 mi west of Aguanga on Hwy. 71. 610 Comment
  UCR41351  Antirrhinum nuttallianum N. M. Fellows, A. C. Sanders 1985-5-7 163 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA512160  Apiastrum angustifolium Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  HSC80297  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside 7 mi W of Rancho California 366 Comment
  POM318578  Apocynum X floribundum Patricia Wilder 1968-7-5 4322 Riverside Idyllwild, San Bernardino National Forest 1829 Comment
  UC1971233  Apocynum cannabinum Scott D. White 1998-7-31 6934 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  POM12858  Aquilegia formosa P. A. Munz 1922-6-24 5807 Riverside Pipe Creek, Hemet Valley 1524 Comment
  POM366956  Aquilegia formosa var. truncata M. B. Dunkle 1933-7-20 3704 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR240633  Arabis Tracy Tennant, Mitch Provance 1998-6-16 MOR- 408 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  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
  RSA0129340  Arabis perennans Henry J. Ramsey, Mrs. Ramsey 1938-4-23 2186 Riverside Santa Rosa Mountains. Comment
  RSA0128631  Arabis repanda H. M. Hall 1897-06 299 Riverside San Jacinto Mtn. 1829 Comment
  UC1618107  Arceuthobium campylopodum Donald G. Nelson 1936-5-24 422 Riverside Hurkey Creek Camp Comment
  RSA629414  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19501 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629475  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-12 15548 Riverside Wildomar Cpgrd, ca. 15 km S of Elsinore Pk. Santa Ana Mtns. 850 Comment
  RSA192299  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-2 6047 Riverside 12 miles NW of Murrieta, Skyline drive road at junction of Wildomar & Los Alamos truck trails. 426 Comment
Read comments
Jan 1 2007
  CAS-BOT-BC24672  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 mi. sw. of summit of Moreno Grade, Bad Lands, sw. of Beaumont. 609 Comment
  RSA631728  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19294 Riverside Highway 79, at Radec. 580 Comment
  RSA631776  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19272 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA632224  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4093 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  UC1861763  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 Riverside Peninsular Ranges; San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA633592  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22507 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  CAS-BOT-BC44361  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA1789  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  RSA537394  Arctostaphylos pringlei subsp. drupacea W. Wisura 1991-9-21 4576 Riverside San Jacinto Mts., PCT below fuller Ridge Comment
  RSA701750  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UC1951125  Arctostaphylos pungens Scott D. White, Justin Wood 2009-5-22 12893 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR208229  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside San Jacinto Mtns., near Pipe Creek, above Hemet Valley 1677 Comment
  SD236273  Arctostaphylos rainbowensis Annie L. Bustamante 2007-9-6 102 Riverside Peninsular Range - Santa Ana Mountains: Santa Margarita Ecological Reserve; c. 0.7 km west of Highway 15, c. 1 km from Santa Margarita River. Along trail. 602 Comment
  RSA0041961  Argemone munita Duncan S. Bell, Loraine Washburn 2014-4-8 6585 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UCR133418  Argemone munita Mitch Provance, J. S. Ross 1998-3-27 MOR- 938 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, S entrance to Hathaway Cyn., near the corner of Verdugo Rd. and Hathaway Cyn. Rd. 732 Comment
  CAS-BOT-BC65753  Argyrochosma jonesii Dr. A. Davidson 1893-4-1 s.n. Riverside Agua Caliente [now also known as Palm Springs] Comment
  CAS-BOT-BC137647  Aristida adscensionis John Thomas Howell 1928-1-28 3288 Riverside Thousand Palms, Colorado Desert. Comment
  RSA615342  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2701 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA740945  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2008-6-17 12189 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA727009  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  CAS-BOT-BC90106  Artemisia arbuscula subsp. arbuscula Louis B. Ziegler 1964-8-15 s.n. Riverside on an area of about 10 acres about 1 1/2 miles north of Kenworthy Ranger Station, Garner Valley, San Jacinto Mts. 1615 Comment
  CLARK-A1528-1567  Artemisia douglasiana John C. Roos 1937-8-17 1219 Riverside San Jacinto Comment
  UCR138553  Artemisia douglasiana Steve Boyd, D. E. Bramlet 1988-10-8 2883 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  SEINET218666  Artemisia dracunculus Patricia Wilder 1971-3-20 4883 Riverside Riverside County: In dry areas along Santa Ana River at end of Pedley Street, Norco; south side of river. 244 Comment
  RSA507495  Arthrocnemum subterminale L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside 1 mi E of of Perris. 427 Comment
  SEINET12532072 Image available Asclepias albicans T. C. Aramqula 1966-1 122 Riverside Base of Santo Rosa mountains on Palms to Pines HWY, 5 mi. South of Palm Desert Comment
  POM19648  Asclepias eriocarpa Mary F. Spencer 1923-7-20 2223 Riverside Idyllwild, San Jacinto Mts. 1646 Comment
  JEPS6275  Asclepias erosa W. L. Jepson 1927-4-14 11714 Riverside Silent Canyon Santa Rosa Mts. 304 Comment
  RSA171941  Asclepias subulata R. F. Thorne 1963-3-29 32378 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Apr 24 2011
  UCR12209  Asclepias subulata O. F. Clarke 1969-11-22 s.n. Riverside Sonoran (Colorado) Desert, 4.5 mi. east of North Palm Springs, Coachella Valley 290 Comment
  RSA667137  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. 381 Comment
  LA202859  Asplenium vespertinum Lawrence L. Kiefer; 1963-9-22 960 Riverside Magee Hills, Tucalota Creek W of Sage, Indian Camp Grounds, steep rocky slope ca. 0.5 mi. NE of picnic area; 761 Comment
  CAS-BOT-BC177293  Astragalus acutirostris Annie M. Alexander; Louise Kellogg 1941-5-6 2126 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument 1371 Comment
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  RSA0009601  Astragalus aridus Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  UCR78449  Astragalus coccineus Scott D. White 1993-4-9 1199 Riverside San Jacinto Mtns, eastern Garner Valley area, near intersection of Hwy 371 and Hwy 74. Comment
  UCR174526  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore 'back basin' on NE side of lake 384 Comment
  LA102294  Astragalus didymocarpus var. didymocarpus John C. Roos; 1952-4-30 5607 Riverside between Camp Haan and Riverside 518 Comment
  CAS-BOT-BC182584  Astragalus didymocarpus var. dispermus Carl B. Wolf 1937-4-6 8430 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  UC862649  Astragalus didymocarpus var. obispoensis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  JEPS54606  Astragalus douglasii W. L. Jepson 1901-5-27 1472 Riverside Cahuilla Valley Comment
  RSA801713  Astragalus douglasii Keith E. Hoffmaster 1937-6-6 794 Riverside San Jacinto mountains, near Hemet Lake Comment
  POM122306  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n Riverside Near Idyllwild Comment
  POM307272  Astragalus douglasii var. parishii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2147 Riverside Santa Rosa Mountains. Comment
  SD137785  Astragalus gambelianus Darin L. Banks, Steve Boyd 1995-5-9 320 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area; west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 730 Comment
  UCR171956  Astragalus gambelianus John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  CLARK-A1656-728  Astragalus lentiginosus var. coachellae Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  RSA653121  Astragalus nuttallianus var. imperfectus B. Pitzer, Tracy Tennant 1998-2-21 3533 Riverside Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi. SE of the pumping station. 396 Comment
  UCR240270  Astragalus pachypus var. jaegeri Theresa Johnson 2010-6-17 s.n. Riverside San Jacinto Mtns. Foothills, Lamb Canyon 701 Comment
  SBBG28436  Astragalus palmeri D. Myrick 1964-4-30 821 Riverside Hwy 74, 15 mi W of Palm Desert 1219 Comment
  SBBG35750  Astragalus palmeri D. Myrick 1966-4-3 1347 Riverside Hidden Valley; Joshua Tree Nat Monument Comment
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Dec 14 2016
  UC863144  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  CAS-BOT-BC194170  Astragalus pomonensis Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of Big Oak Mtn., just S of the E summit. 701 Comment
  CHSC110689  Astragalus pomonensis Dean Wm. Taylor 2003-5-7 18539 Riverside Railroad Canyon, San Jacinto River (1.9 river miles upstream from maximum pool level for Railroad Canyon Reservoir). 426 Comment
  POM26491  Astragalus pomonensis George B. Grant 1898-3-15 1609 Riverside Riverside. Comment
  RSA228804  Astragalus pomonensis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 605 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  UCD170755  Astragalus pomonensis John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  UCR126375  Astragalus pomonensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 683 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CLARK-A1528-5425  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca Comment
  OBI70233  Astragalus tricarinatus Lyman Benson 1945-1 Riverside Comment
  UCR207358  Athysanus pusillus O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  RSA779699  Atrichoseris platyphylla Duncan S. Bell 2010-4-2 725 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  RSA748734  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR109576  Atriplex canescens G. S. Nuessly 1980-10-16 s.n. Riverside Coachella Valley, Indio, SE corner of Kenner Ave. and Monroe St., between Fred Waring Dr. (Ave 44) and the Whitewater River Channel 0 Comment
  LA204701  Atriplex canescens subsp. canescens Norman C. Cooper; 1943-10-9 954 Riverside Hemet 304 Comment
  UCR214711  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37628 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  UCR214862  Atriplex canescens var. macilenta A. C. Sanders, Richard Dwerlkotte 2010-3-22 37518 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  CLARK-A1528-2546  Atriplex coronata var. notatior John C. Roos 1965-6-30 Riverside Perris Comment
  RSA532569  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
  SEINET3931218  Atriplex coronata var. notatior D. Bramlet 1991-1 Riverside Comment
  CLARK-A1656-607  Atriplex hymenelytra Lois Ann Scott 1978-1-13 Riverside Indio Hills Comment
  SD251214  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon just to the west of Mecca Hills peak 1642. 138 Comment
  UC665756  Atriplex hymenelytra Ira L. Wiggins 1941-3-24 9590 Riverside on silty slopes 0.5 mi from beach on e side Salton Sea (1 mi n of Imperial County line); e side Salton Sea, n of Imperial County Line Comment
  RSA0039846  Atriplex lentiformis Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC in Outer West Spring, near the fence into Quail Triangle. Comment
  SD67591  Atriplex lentiformis F. W. Peirson 1924-12-30 5413 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  POM307326  Atriplex polycarpa Henry J. Ramsey, Henry J. Ramsey 1937-11-20 2213 Riverside Coachella Valley Comment
  UCR267435  Atriplex serenana var. serenana D. E. Bramlet 2005-7-27 3907 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  UCR138648  Avena barbata D. L. Banks 1997-2-17 1279 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  RSA586491  Avena fatua D. L. Banks, Steve Boyd 1995-5-9 321 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
  RSA614131  Avena fatua D. L. Banks 1997-2-23 1298 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SEINET3005004  Baccharis brachyphylla G. Rink 2011-4-4 10433 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  RSA575918  Baccharis emoryi Steve Boyd 1994-10-14 8377 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  CLARK-A1528-1638  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Santa Ana River 259 Comment
  UCR180129  Baccharis pilularis subsp. consanguinea A. C. Sanders, Steve Boyd, Mark A. Elvin, Dean Kelch 2006-12-8 33256 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, north side of Mesa de Colorado at drainage (headwaters of Cole Cyn.) crossing Via Volcano just south of Tenaja Rd. 598 Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  UCR151973  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CAS-BOT-BC99819  Baccharis sarothroides Edmund C. Jaeger 1938-11-2 s.n. Riverside gully near Gulliday Well, south-west base of Chuckawalla Mts. 274 Comment
  RSA696129  Baccharis sergiloides A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24601 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  POM259110  Bahia dissecta Philip A. Munz 1938-8-14 15364 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  UCR264212  Bahiopsis parishii A. C. Sanders 2015-9-11 41872 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  CAS-BOT-BC99961  Baileya pauciradiata H. M. Hall 1905-4-1 5911 Riverside Near Paloverde 91 Comment
  POM350668  Baileya pauciradiata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  JOTR01236  Baileya pauciradiata Cole, James E. 1941-4-13 571 Riverside Joshua Tree National Park. SOUTH OF DALE DRY LAKE Comment
  RSA790633  Baileya pleniradiata Aaron C. Sedgwick, David Fraker 2012-4-24 3 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  UCR110429  Bassia hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23130 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC293745  Bebbia juncea Mona Bourell 1987-4-14 3270 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  SBBG20059  Bebbia juncea E. R. Blakley 1963-9-18 6181 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  UCR174307  Bebbia juncea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32648 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  CAS-BOT-BC100128  Bebbia juncea var. aspera F. Grinnell 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  JOTR34379  Bebbia juncea var. aspera Andre, Jim 2012-4-16 20900 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA588839  Bebbia juncea var. aspera Darin L. Banks, Steve Boyd 1995-10-17 0782 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
  SD122974  Bebbia juncea var. aspera Steve Boyd 1985-7-23 1021 Riverside De Luz Road; 8.5 miles west of Rancho California. 274 Comment
  SEINET3146051  Bebbia juncea var. aspera H. M. Hall 5841 Riverside near Salton 46 Comment
  UC1280787  Berberis aquifolium var. dictyota H. E. McMinn 1935-6-27 4076 Riverside Arthut Gilman's Ranch Banning Comment
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Dec 13 2011
  RSA0092855  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds. 433 Comment
  SEINET12141255  Bernardia myricifolia S. B. Parish, Parish, W. F. 1882-1 752 Riverside Whitewater Comment
  UCR29642  Bernardia myricifolia Wende Rehlaender 1983-5-28 112 Riverside Santa Rosa Mountains, Bighorn Sheep Lookout, on Hwy 74 on northwest rim of Deep Canyon, just southeast of Sugarloaf Mountain and 5 mi northeast of Santa Rosa Mountain, c. 15 mi along road from Palm Desert 732 Comment
  UCR93062  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside, Santa Ana River near Hwy 60 243 Comment
  CAS-BOT-BC14160  Boechera perennans C. L. Hitchcock 1940-4-1 5918 Riverside Cottonwood Spring wash. Comment
  RSA0129424  Boechera perennans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4888 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
  UC10169  Boechera repanda H. M. Hall 1901-6 2449 Riverside Tauquitz Valley San Jacinto Mountains 1889 Comment
  CLARK-A1528-3267  Boerhavia coccinea John C. Roos 1966-9-20 Riverside San Jacinto Comment
  UCR23481  Boerhavia coccinea John C. Roos 1966-9-20 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  POM258904  Boerhavia triquetra E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. 366 Comment
  JOTR32598  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UCR275582  Bolboschoenus maritimus subsp. paludosus T. B. Salvato 2005-6-13 605- 13 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  CAS-BOT-BC145587  Bouteloua aristidoides J. C. Roos 1965-9-5 s.n. Riverside Desert Center. Comment
  UCR111989  Bouteloua aristidoides A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23370 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella 24 Comment
  UCSB51414  Bouteloua aristidoides Roos, John 1965-9-5 Riverside Desert Center Comment
  POM259504  Bouteloua barbata E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  CAS-BOT-BC145608  Bouteloua barbata var. barbata Geo. B. Grant 6737 Riverside Palm Springs. Comment
  SEINET7294492 Image available Bouteloua barbata var. barbata Louis B. Ziegler 1967-1 s.n. Riverside Dry valley floor, lower edge of Yellow Pine Belt; Hemet Valley, San Jacinto Mts. 1402 Comment
  CHSC8088  Brandegea bigelovii Edward L. Smith 1958-3-22 389 Riverside Located 6 mi. e of Rice, near Priest's Well. 640 Comment
  RSA0105943  Brandegea bigelovii Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA394246  Brandegea bigelovii Anstruther Davidson 1903-5-3 s.n. Riverside Martinez Canyon mouth. Comment
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Jul 1 2016
  SFV17327  Brandegea bigelovii J. N. Hogue, J. D. Dilley (271) 1998-4-23 108 .1 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR226070  Brassica rapa A. C. Sanders, T. B. Salvato 2011-4-1 38939 Riverside Peninsular Range, Lake Elsinore, Baker St. above Temescal Wash, c. 1200 ft. north of water tank on hill 386 Comment
  UCR280723  Brassica rapa Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 46 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  RSA711994  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  POM182399  Brickellia arguta A. M. Alexander 1941-5-10 2145 Riverside 3 mi. NE of Cottonwood Springs, Eagle Mountains 1037 Comment
  UC64839  Brickellia californica E. A. Zumbro 1904-1-1 420 Riverside Cold Water Canon Santa Ana Mts. Comment
  CAS-BOT-BC106195  Brickellia desertorum Alice Eastwood 1913-4-30 3065 Riverside Palm Canyon [Canon], Palm Springs Comment
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  SD247315  Brickellia incana Andy Sanders, Jim Malusa 2015-9-10 41848 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Road about 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range. 433 Comment
  SBBG94911  Brodiaea filifolia B. Gaut 1989-5-7 Riverside Santa Rosa Plateau, 5 mi W of Hwy 215 on Clinton Keith Rd in Temescal Valley 609 Comment
  UC843569  Brodiaea filifolia P. A. Munz and I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris 441 Comment
  UC50578  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  JOTR31035  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA0064521  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA192177  Bromus diandrus E. W. Lathrop 1965-5-30 5787 Riverside 6 miles W of Murrieta. Comment
  UCR160055  Bromus grandis Steve Boyd, Valerie Soza 2004-6-22 11539 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
  RSA577764  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -A Riverside Dry foothill, west of Aguanga. 823 Comment
  SDSU955  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  UCR2247  Bromus rubens F. M. Reed 1907-5-26 1377 Riverside Riverside, Evan's Spring Brook pasture 250 Comment
  CLARK-A1528-4556  Bromus tectorum John C. Roos 1967-4-25 Riverside Hemet Comment
  RSA772333  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4514 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET3856755 Image available Bromus tectorum A. C. Sanders, T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range: city of Lake Elsinore, N of Pasadena St. c 0.35 km NW of Central Ave. intersection 385 Comment
  RSA0014313  Caesalpinia virgata Justin M. Wood, J. Miner 2010-4-29 1545 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA405292  Caesalpinia virgata Christopher Davidson, J. Jones 1980-4-4 9954 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
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Sep 17 2011
  RSA779926  Caesalpinia virgata Jim Andre 2011-2-9 15908 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR167217  Calandrinia ambigua S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  CAS-BOT-BC438491  Calandrinia ciliata A. C. Sanders; Kelly Volansky 2005-3-17 29238 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct. 412 Comment
  POM305822  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1072 Riverside Corona-Elsinore. Comment
  RSA556510  Calandrinia ciliata Julie Greene 1993-4-10 1169 Riverside East of Horse Ranch fence. San Jacinto Wildlife Area. 436 Comment
  RSA613410  Calandrinia ciliata D. L. Banks 1997-4-5 1681 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR102893  Calandrinia ciliata A. C. Sanders 1997-3-26 20101 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR250131  Calandrinia ciliata A. C. Sanders 2014-4-9 40999 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCR18880  Callitriche marginata John C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs 488 Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  RSA0042617  Calocedrus decurrens Michelle Cleveland 1981-2-14 12 Riverside Idyllwild Visitor Center off Hwy 74. Collected 200 yds North of Vistor Center. 1900 Comment
  CSUSB1198  Calochortus catalinae Leland R. Dykes 1962-4-22 35 Riverside Corona-Lake Matthews Road, 1 mile west of Lake Matthews. Comment
  UCR138761  Calochortus concolor Scott D. White 1997-5-18 5167 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  RSA369039  Calochortus palmeri var. munzii Robert L. Rutherford 1944-7-15 1593 Riverside Palms to Pines Highway. 1463 Comment
  UCR29262  Calochortus palmeri var. munzii A. C. Sanders 1980-6-11 1576 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  POM122634  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  UCR189802  Calochortus plummerae Amy Rowland 2007-6-19 078 Riverside Peninsular Range, San Jacinto Mountains Region, San Jacinto Moutnains, off of Hwy 74 c. 1.75 mi west of intersection of Hwy 74 and Hwy 243 1239 Comment
  UCR174331  Calochortus splendens A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32559 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR51535  Calochortus weedii var. weedii Tom Feldman 1988-5-30 035 Riverside Santa Ana Mtns., Calle Capistrano, 0.6 mi south of Rancho California Road and 4 mi west of Hwy 15 488 Comment
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Nov 17 2014
  JOTR16572  Calycoseris parryi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. COTTONWOOD CANYON Comment
  UC68981  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UCD129994  Calycoseris wrightii M. F. Wojciechowski; M. J. Sanderson 1993-3-24 280 Riverside Little Maria Mountains, near Midland. Comment
  UCR85166  Calycoseris wrightii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16086 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SEINET222296  Calyptridium monandrum B. Ertter, J Strachan 1979-6-26 2984 Riverside Hwy 243 near Idylwild San Jacinto Mts Comment
  UCR172788  Calystegia macrostegia Wayne Law, Jun Hu 2000-5-16 12 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  RSA192219  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1965-4-4 5625 Riverside 8 miles W of Murrieta - Tenaja Range Comment
  SD137801  Calystegia macrostegia subsp. tenuifolia Darin L. Banks 1995-4-11 172 Riverside Agua Tibia Mountains Watershed; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove Area. 950 Comment
  SD260938  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
  CAS-BOT-BC199285  Calystegia sepium subsp. limnophila J. C. Roos; A. R. Roos 1950-8-7 4919 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA0039801  Camissonia bistorta Scott D. White, Tasha LaDoux 2000-4-20 7685 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR102737  Camissonia bistorta B. G. Pitzer 1998-1-25 3430 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  UCR116950  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-5-3 24122 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR120795  Camissonia bistorta Ian G. Gillespie, Summer Karsh 2000-5-13 40 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  UCR260546  Camissonia bistorta T. B. Salvato, Matt Malle 2014-5-29 8024 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
  UCR4125  Camissonia bistorta Ronald M. Cope 1965-5-2 s.n. Riverside Box Springs Mtns., W side of Pigeon Pass, 7 mi. north of freeway (State Hwy 60), on Box Springs Mountain 610 Comment
  RSA387327  Camissonia boothii subsp. condensata Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 642 -1 Riverside Colorado Desert. West of Chiriaco Summit. Comment
  UCR260830  Camissonia brevipes A. C. Sanders, Jim Malusa 2015-3-11 41399 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  RSA0042383  Camissonia brevipes subsp. brevipes Duncan S. Bell, LeRoy Gross 2014-3-13 6234 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  RSA134498  Camissonia californica Harlan Lewis, M. Lewis 1953-3-15 1610 Riverside Colorado Desert, Pushawalla Canyon in desert wash Comment
  RSA192045  Camissonia californica E. W. Lathrop 1966-5-16 6326 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  UCR227000  Camissonia californica Jim Andre 2011-2-2 16221 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR239880  Camissonia californica O. F. Clarke 2004-3-31 s.n. Riverside Along Redlands Blvd. in the Badlands, between Moreno Valley and San Timoteo Canyon 655 Comment
  RSA744302  Camissonia cardiophylla M. Wall 2009-4-5 502 Riverside Plants in Ladder and Painted Canyons east of Mecca. 231 Comment
  UCR90171  Camissonia claviformis R. W. Scora 1966-4-1 3008 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA448927  Camissonia claviformis subsp. aurantiaca M. B. Dunkle 1935-3-17 4407 Riverside Colorado Desert. 610 Comment
  POM9344  Camissonia claviformis subsp. aurantiaca Mary F. Spencer 1920-4-2 243 Riverside Palm Springs, Colorado Desert. 122 Comment
  SEINET3141312  Camissonia claviformis subsp. claviformis R. W. Spellenberg 2001-3-25 13215 Riverside 5 km W of Blythe at junction of California. Hwy. 78 and IH-10 90 Comment
  RSA782529  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside 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. 465 Comment
  UCR87983  Camissonia ignota Karin Cleary 1992-4-6 115 Riverside near top of ridge west of California St., [Reinhardt Canyon] Hemet 610 Comment
  UCR104188  Camissonia intermedia Scott D. White 1997-5-18 5172 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA0057863  Camissonia micrantha A. C. Sanders 2011-4-7 39037 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR43031  Camissonia pallida D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  RSA652352  Camissonia pallida subsp. pallida Marion P. Harthill 1973-2-17 1570 Riverside Snow Creek, Palm Springs 366 Comment
  RSA772123  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4832 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. 915 Comment
  UCR216354  Camissonia pallida subsp. pallida Mike Bell 2008-3-19 044 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  POM91008  Camissonia pallida subsp. pallida E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs 122 Comment
  RSA775298  Camissonia refracta Duncan S. Bell 2011-3-18 2059 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR249509  Camissonia refracta T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7281 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
  CLARK-A1528-3362  Camissonia strigulosa John C. Roos 1943-8-8 2703 Riverside San Jacinto Mountains 1615 Comment
  UCSB24361  Camissonia strigulosa Meyer, Carl 1927-6-1 Riverside San Jacinto Mts, Saunder's Meadow Comment
  UCR195707  Camissoniopsis confusa A. C. Sanders 1998-3-17 21746 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
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Mar 13 2015
  JEPS29320  Camissoniopsis ignota Rimo Bacigalupi and L. Heckard 1962-3-26 8416 Riverside along state hwy 74 about 3 mi n Elsinore (rolling flats at lower end of arroyo drainge); drainage of Arroyo del Toro Comment
  UCR166103  Camissoniopsis pallida subsp. pallida A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16282 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
  UCR239911  Cardamine O. F. Clarke 2006-1-26 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CAS-BOT-BC17705  Carex alma Philip Alexander Munz 1938-8-14 15341 Riverside Virgin Spring, near Santa Rosa Peak. 2286 Comment
  UCR176586  Carex alma N. M. Fellows, A. C. Sanders 1985-5-7 168 B Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA249849  Carex multicaulis Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
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Apr 24 2011
  CAS-BOT-BC118508  Carex praegracilis Earl W. Lathrop 1965-3-30 5605 Riverside 12 mi W of Murrieta Comment
  RSA740952  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12259 Riverside Meadows at Baldy Mtn. 1585 Comment
  CHSC106610  Carex senta P. F. Zika; Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  POM14317  Carex subfusca Phillip A. Munz 1922-6-24 5801 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  SEINET7073343  Castilleja densiflora A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UC27246  Castilleja exserta H. M. Hall 1901-6-9 2028 Riverside s side San Jacinto Mountains 1371 Comment
  UCR25605  Castilleja exserta John C. Roos 1941-4-19 173 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA772853  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4838 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
  UCR262254  Castilleja foliolosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3716 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
  UC199386  Castilleja minor subsp. spiralis G. R. Hall 1908-1 Riverside Riverside Comment
  JEPS29489  Caulanthus simulans Lauramay T. Dempster 1962-4-18 1901 Riverside Palms-to-Palms Highway Pinyon Flats (Pinyon Flats) 1066 Comment
  RSA0037226  Caulanthus simulans John F. Emmel 1987-3-28 1040 Riverside Lakeview Mountains WNW of Hemet; slope 0.6 mile west & 0.1 air mile south of intersection of Warren Road and Esplanade Ave. 518 Comment
  UC1594223  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3098 Riverside 1 mi W of Vail Lake 609 Comment
  HSC86946  Ceanothus crassifolius B. Pitzer, E. Misqez 1988-2-28 619 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  RSA160403  Ceanothus crassifolius J. D. Olmsted 1959-4-17 409 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  RSA3118  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA614127  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 368 Comment
  SDSU13472  Ceanothus crassifolius James C. Dice, George Diggs 1987-12-7 763 Riverside Santa Margarita Ecological Reserve: north side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of Section 26. 341 Comment
  UC774536  Ceanothus crassifolius Carl B. Wolf 1941-6-27 10898 Riverside 3.3 mi e Orange Co. line (Ortega Hwy); Santa Ana Mts. 579 Comment
  UCR92707  Ceanothus crassifolius A. C. Sanders, O. F. Clarke 1996-4-13 18030 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  UCSB3859  Ceanothus crassifolius Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon 335 Comment
  RSA510026  Ceanothus crassifolius B. Pitzer, E. Misquez 1988-2-28 619 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SD229236  Ceanothus cuneatus var. cuneatus Dick Schwenkmeyer 2012-3-26 679 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  PASA2404  Ceanothus greggii var. perplexans Frank W. Peirson 1932-5-20 Riverside Hemet Valley, San Jacinto Mts. 1447 Comment
  RSA161087  Ceanothus greggii var. perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles northwest of Lake Fulmor, San Jacinto Mountains. Comment
  RSA276719  Ceanothus greggii var. perplexans John F. Emmel 1978-9-25 620 Riverside Santa Rosa Mountains; slope above Mountain Home Spring 1982 Comment
  SD127437  Ceanothus greggii var. perplexans Reid Moran 1969-10-25 16665 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  SD229243  Ceanothus greggii var. perplexans Dick Schwenkmeyer 2012-8-6 767 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UC1018193  Ceanothus leucodermis J. Warren 1952-5-25 Riverside w of Idylwild 1371 Comment
  UCR823  Ceanothus leucodermis Robert A. Hawthorne 1957-4-18 s.n. Riverside Peninsular Range, US Hwy 395, 4 miles south of Temecula 366 Comment
  RSA462403  Ceanothus leucodermis Albert J. Perkins 1920-5-30 s.n. Riverside Cobby Trails Comment
  HSC90191  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake 610 Comment
  UCR68478  Ceanothus ophiochilus Steve Boyd, L. Arnseth, T. S. Ross 1989-3-31 3098 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UC774793  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside between Keen Camp P.O. and Hemet Valley (Keen Camp Summit); San Jacinto Mts. 1493 Comment
  CAS-BOT-BC51932  Ceanothus perplexans L. A. Greata 1908-6-1 s.n. Riverside Eden Hot Springs Comment
  LA44919  Ceanothus perplexans Carl Epling; 1927-3-27 sn Riverside Jackrabbit Trail, near Beaumont Comment
  UCSB39074  Ceanothus perplexans Jorgensen, Jan 1982-2-19 Riverside 3 kilometers up highway 243 from Interstate 10, Banning. San Jacinto mountains. 1000 Comment
  SEINET13946039 Image available Ceanothus perplexans Carl B. Wolf 1932-1 3655 Riverside No. Base of San Jacinto Mts. Snow Creek Canyon. 1 mi above Fish Hatchery. 792 Comment
  LA44932  Ceanothus spinosus Norman C. Cooper; 1944-6-17 1444 Riverside San Jacinto Mountains, Pine Cove 1523 Comment
  UCR114753  Ceanothus tomentosus Scott D. White, D. E. Bramlet 1999-4-22 7234 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  SEINET238463 Image available Cenchrus echinatus A. C. Sanders, Mitch Provance; T. B. Salvato 2000-4-18 23326 Riverside Coachella Valley: Along Dillon Rd. at junction with Tyler north of I-10 E of Indio and N of Coachella. 5 Comment
  CAS-BOT-BC277063  Centaurea melitensis T. C. Fuller 1964-4-14 11814 Riverside N.W. corner of Washington & La Fonda Sts., La Quinta, Coachella Valley Comment
  JEPS106968  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 19 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  RSA707579  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD154107  Centromadia pungens subsp. laevis B. L. Jones 2003-5-29 Riverside Lake Elsinore area, just north of intersection of Corydon Road and Grand Road Comment
  UC73920  Centromadia pungens subsp. laevis Geo. R. Hall 1905-9-3 Riverside Comment
  UCR217652  Centromadia pungens subsp. laevis Karyn L. Drennen 2010-6-10 11 Riverside Santa Ana Mountains foothills, Murrieta Creek, 320 m southeast of Clinton Keith Road bridge. 363 Comment
  CLARK-A1045-880  Cerastium glomeratum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  UCD98025  Cerastium glomeratum L. G. Benedict 1929-5-6 s.n. Riverside San Jacinto. Comment
  CSUSB1298  Cercidium floridum Daniel Sall 1970-5-5 Riverside 200 yards south of Riverside County boundary sign, 20 feet from 29 Palms Highway. Comment
  POM68414  Cercidium floridum Marcus E. Jones 1924-2-26 s.n Riverside Shaver's Well. Comment
  RSA123213  Cercidium floridum H. S. Yates 1936-4-8 5453 Riverside Near Fish Springs 61 Comment
  UC68641  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5784 Riverside 10 mi w Coachella; Colorado Desert 121 Comment
  JOTR01064  Cercidium floridum subsp. floridum Cole, James E. 1941-6-11 864 Riverside Joshua Tree National Park. COTTONWOOD SPRING AREAR; 1/4 MILE BELOW SPRING 914 Comment
  RSA208927  Cercocarpus minutiflorus Theadore H. Mortenson 1967-5-5 1516 Riverside North facing hillside in back of the Tenaja Guard Station, Santa Rosa Plateau region near Murietta. Comment
  RSA495438  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2965 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  POM12998  Chaenactis artemisiifolia Philip A. Munz, I. M. Johnston 1922-5-19 5405 Riverside San Jacinto Canyon, near canyon bed at mouth of Strawberry Creek 762 Comment
  RSA674925  Chaenactis artemisiifolia Scott D. White, P. De Vries 2000-4-25 7727 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA781202  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37805 Riverside Southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356deg.) of intersection of I-15 and Lake St. 549 Comment
  UCR281244  Chaenactis artemisiifolia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 73 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR34892  Chaenactis artemisiifolia L. B. Ziegler 1967-5-18 128 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA761043  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 154 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  JEPS30922  Chaenactis fremontii P. Stockwell 1940-4-24 1504 Riverside 1 mi e of Cabazon Comment
  RSA695711  Chaenactis fremontii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  UC1287049  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside 4 mi s of Palm Desert (along Palms to Pines Hiway) 609 Comment
  UCSB37824  Chaenactis glabriuscula Sanders, A. 1980-7-18 Riverside Garner Valley; near 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
  CAS-BOT-BC277409  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate; Skunk Hollow vernal pool Comment
  JEPS82355  Chaenactis glabriuscula var. glabriuscula L. R. Heckard 1969-4-24 2163 Riverside about 7 mi s of Sage (along Highway 79) Comment
  RSA516765  Chaenactis glabriuscula var. glabriuscula Ed LaRue 1989-4-26 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice Canyon. 488 Comment
  UC1718094  Chaenactis glabriuscula var. glabriuscula John S. Mooring 1962-4-1 578 Riverside Riverside, Box Springs Mountains at end of Mount Vernon Ave Comment
  UCR117079  Chaenactis glabriuscula var. lanosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24202 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UC456027  Chaenactis parishii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR18007  Chaenactis parishii A. C. Sanders 1976-3-18 084 Riverside San Jacinto Mtns., S end of Vandeventer Flat, above Coyote Creek [on or near BLM land, probably near Garnet Queen Creek confluence with Coyote Cr.] 1463 Comment
  RSA779693  Chaenactis stevioides Duncan S. Bell 2010-4-2 704 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
  UCR167197  Chaenactis stevioides S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR89894  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  CAS-BOT-BC284344  Chaenactis stevioides Rimo Bacigalupi; Richard Holm; R. S. Ferris 1953-4-20 4039 Riverside Along U.S. Highway 60-70 opposite Hayfield Dry Lake, 7 miles east of Shaver Summit 441 Comment
  POM351832  Chaenactis stevioides var. stevioides T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  UCR20807  Chaetopappa aurea A. C. Sanders, Steve Boyd 1980-4-17 01341 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  JOTR28755  Chamaesyce albomarginata La Doux, Tasha, Ileene Anderson 2004-10-4 1641 Riverside Joshua Tree National Park. Stop 1: Little SB Mtns, near Keys Ranch 1277 Comment
  POM2848  Chamaesyce polycarpa I. M. Johnston 1917-6-5 1254 Riverside Hills south of Arlington 366 Comment
  RSA432407  Chamaesyce polycarpa var. polycarpa E. S. Spalding 1926-2-13 s.n Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  RSA615338  Chamaesyce polycarpa var. polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2696 Riverside Midland Rd., 3.8 mi. SE of Midland, Little Maria Mtns. Sandy wash with Olneya tesota and Mexican paloverde, adjacent to creosote bush scrub. Comment
  RSA544310  Chamaesyce serpens Steve Boyd 1991-7-13 6416 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  RSA0062785  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-22 7655 Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  RSA778526  Chamaesyce setiloba Amber Swanson, Linda Jean Foster 2011-10-8 630 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  SEINET9457538  Chamaesyce setiloba L. Harris 1928-6-28 113 Riverside Indio. Comment
  UC421694  Cheilanthes clevelandii John Thomas Howell 1927-8-2 2907 Riverside near Banning 670 Comment
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Mar 13 2011
  UCR164283  Cheilanthes clevelandii S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA770695  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4800 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR178197  Cheilanthes covillei Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1018 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  SEINET6744643  Cheilanthes intertexta G. R. Vasey 1881-1 Riverside Whitewater Comment
  POM148058  Cheilanthes newberryi J. B. Feudge 1925-3-15 1027 Riverside near Gilman Relief Hot Springs 610 Comment
  UCR117104  Cheilanthes newberryi A. C. Sanders, T. B. Salvato 2001-5-16 24306 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
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  POM312123  Cheilanthes parryi Norman C. Cooper 1944-4-8 1084 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  SFV6304  Cheilanthes parryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 58 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UC1400744  Cheilanthes parryi Alan R. Smith 1973-3-24 576 Riverside ca. 5 mi n of Interstate 10 from Chiriaco Summit Palm Canyon; Joshua Tree Nat'l Monument Comment
  UCSB38666  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA597245  Cheilanthes viscida A. C. Sanders, G. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mountains/Colorado Desert: Chino Canyon near Palm Springs, 1.8 miles above Palm Canyon Road (Hwy 111) on the road to the tram station, vicinity of the upper end of the flood control dike. 548 Comment
  CAS-BOT-BC426314  Chenopodium album Malcom A. Nobs; S. Galen Smith 1948-9-3 485 Riverside Imperial Valley: Citrus grove 2 miles N of Indio Comment
  RSA554284  Chenopodium album Scott D. White 1992-2-25 92 -12 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA624448  Chenopodium ambrosioides L. C. Wheeler 1932-9-4 1324 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC1931134  Chenopodium californicum Scott D. White, Justin Wood 2008-6-17 12170 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). (Butterfly Peak) Comment
  UCR111764  Chenopodium californicum Mitch Provance 1998-3-17 212 Riverside Jurupa Mountains, 'Pyrite Canyon', in the central dune area c. 1km south of the end of Savonia Dr. in Southridge, Fontana. 305 Comment
  UCR133377  Chenopodium californicum Mitch Provance, J. S. Ross 1998-3-27 MOR- 989 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR213900  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA78287  Chenopodium fremontii P. A. Munz, E. K. Balls 1952-8-21 17968 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  SD186164  Chenopodium glaucum var. salinum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley; Trilogy at Glen Ivy at the confluce of Boxby and Anderson Canyons. 366 Comment
  UCR41344  Chenopodium murale N. M. Fellows, A. C. Sanders 1985-4-9 159 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  SD146303  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of the intersection of Tequesquite Ave. and Gregory Road. 231 Comment
  SD84926  Chilopsis linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-28 275 Riverside East slope San Jacinto Mountains,North Canyon just above juncture with Andreas Canyon 349 Comment
  RSA1077  Chilopsis linearis subsp. arcuata J. T. Howell 1927-8-1 S.N. Riverside Mission Creek, Colorado Desert. 610 Comment
  CAS-BOT-BC474741  Chloris truncata R. E. Riefner, Jr. 2015-10-24 15 -418 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  UCR228739  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  JEPS15398  Chloris virgata Joseph and Hilda Grinnell 1937-11-30 1081 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake 106 Comment
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Sep 8 2011
  UC1100193  Chloris virgata Malcolm A. Nobs and S. Galen Smith 1948-9-3 490 Riverside 2 mi n Indio; Imperial Valley Comment
  UCD57938  Chloris virgata Malcolm A. Nobs; S. Galen Smith 1948-9-3 490 Riverside Imperial Valley, 2 miles north of Indio. Comment
  UC63965  Chlorogalum parviflorum Miss Ella Foster 1897-5-15 534 Riverside Menifee Menifee (Southern California) Comment
  RSA392615  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-1 1847 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  UCR135827  Chorizanthe coriacea A. C. Sanders, Guy Bruyea 2004-4-2 27437 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  RSA0026169  Chorizanthe corrugata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17714 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  UCR55655  Chorizanthe leptoceras L. F. LaPre 1988-6-3 s.n. Riverside Peninsular Range, Indian Truck trail, sandy bench south of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  JEPS57753  Chorizanthe leptotheca W. L. Jepson 1901-5-27 1479 Riverside between Cahuilla Valley and Aguanga 624 Comment
  SD22479  Chorizanthe leptotheca Susan G. Stokes 1933-7-1 Riverside Idyllwild Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  UC72681  Chorizanthe parryi var. parryi Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR144413  Chorizanthe parryi var. parryi Scott D. White 2001-4-19 8380 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  RSA550497  Chorizanthe polygonoides var. longispina D. E. Bramlet 1991-4-30 2094 Riverside on the lower slopes (northern) of Black Mtn. east of Rawson Canyon. The population was found NE of the blue-line stream, some 610 m east of the existing access road. 213 Comment
  RSA596943  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 Riverside Shipley multi species reserve; Beside (E.) equestrian trail above a large ephemeral wash and approximately 122m SW of Tucalota Creek. The site is 610m north of access road BM 1487. 488 Comment
  UCR78441  Chorizanthe polygonoides var. longispina Scott D. White 1993-4-20 1207 Riverside Estelle Peak, Gavilan Hills 826 Comment
  RSA585878  Chorizanthe staticoides D. L. Banks, Peter Morrell 1995-5-4 312 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  SD136786  Chorizanthe staticoides Steve Boyd 1993-5-13 7377 Riverside San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confuence with Los Alamos Canyon upstream approx. 1 mile, deep pools present in lower 1/3 mile of Wildhorse Canyon 410 Comment
  UC729665  Chorizanthe xanti Carl B. Wolf 1932-5-25 3677 Riverside Snow Creek Canyon 1 mi below Fish Hatchery (n base San Jacinto Mountains); , Snow Creek Canyon 396 Comment
  RSA757321  Chorizanthe xanti var. leucotheca Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR128303  Chrysanthemum parthenium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8639 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UC168815  Chrysolepis sempervirens A. W. Anthony 1895-7-6 Riverside San Jacinto Mtns. 2743 Comment
  CLARK-A1528-1769  Chrysopsis villosa John C. Roos 1951-9-25 5299 Riverside Santa Ana River 259 Comment
  RSA5581  Chrysothamnus paniculatus C. B. Wolf 1932-10-13 4314 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  RSA688856  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR89685  Chrysothamnus paniculatus Bern Schwenn 1993-9-14 s.n. Riverside Joshua Tree National Monument, Cottonwood Mtns, Pinkham Canyon in the wash, west of Cottonwood Springs. 1067 Comment
  UCR279347  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-23 42936 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  RSA0118063  Chylismia cardiophylla subsp. cardiophylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7620 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  CAS-BOT-BC160616  Chylismia claviformis subsp. aurantiaca Robert F. Thorne 1963-3-29 32379 Riverside Ca. 7 - 8 miles E of Mecca, Mecca Hills 152 Comment
  RSA0070671  Cirsium californicum E. W. Lathrop 1973-6-28 7442 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  CAS-BOT-BC285737  Cirsium vulgare Scott D. White 1996-9-22 4537 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  CDA15331  Cirsium vulgare J. Chandler 1998-9-22 s.n. Riverside Upper Chase Nursery, 19851 Patterson Ave., Perris. 0 Comment
  UCR99573  Cirsium vulgare Julie A. Greene, S. D. White 1993-7-5 1390 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  RSA49171  Cistanthe monandra P. A. Munz 1949-4-13 13064 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA466623  Cistanthe monandra M. B. Dunkle 1949-9-22 4934 Riverside Colorado Desert. Comment
  POM13997  Clarkia dudleyana E. C. Jaeger 1921-6-13 938 Riverside San Jacinto Mountains, McMullen Trail [Banning to McMullen Flat] 915 Comment
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Nov 5 2011
  RSA192052  Clarkia dudleyana E. W. Lathrop 1966-6-1 6351 Riverside Tenaja Range, Fisherman s Creek Camp. Comment
  CAS-BOT-BC171996  Clarkia epilobioides John Thomas Howell 1931-5-30 6591 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UC20315  Clarkia epilobioides Mrs. Gregory 1892-1 Riverside San Jacinto San Jacinto Comment
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Jul 22 2010
  UCR35361  Clarkia epilobioides L. B. Ziegler 1969-5-12 360 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  UCR151105  Clarkia purpurea Scott D. White 1999-6-8 7452 Riverside Santa Ana Mtns, Corona, near Bedford Canyon: foothills at E slope of Santa Ana Mtns. ''Joseph Canyon'' wash near a disused quarry 366 Comment
  UCR158314  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30050 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
  RSA543834  Claytonia perfoliata Steve Boyd, Orlando Mistretta 1991-5-22 6291 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA748815  Claytonia perfoliata subsp. perfoliata G. Gust, L. Nye 2005-3-12 556 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  LA207252  Clematis ligusticifolia L. Crutcher; 1933-8-19 20 Riverside San Jacinto Mountains, Stream back of Camp Tahquitz Comment
  RSA650481  Clematis ligusticifolia C. J. Humphrey 1936-6-7 84 Riverside [No location data on label] Comment
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Dec 15 2011
  CAS-BOT-BC92825  Clematis pauciflora Raymond Lindholm 1961-3-11 s.n. Riverside White Water Canyon. Comment
  SD80140  Clematis pauciflora Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 367 Riverside Deep Canyon south of Hwy 74, ca. 2 mi up water service road, below crossing; north slope Santa Rosa Mountains. 1310 Comment
  UCR138892  Clematis pauciflora D. L. Banks 1997-4-5 1662 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  RSA440817  Cleome isomeris M. B. Dunkle 1933-3-3 3030 Riverside Garnet Station, Colorado Desert 91 Comment
  UC2016491  Collinsia Richard Olmstead 1986-6-8 802 Riverside Growing in small moist draw in chaparral along Hwy. 243, ca. 1.1 miles north of Mountain Center. Comment
  CLARK-A1528-849  Collinsia heterophylla F. Zaebst 1959-4-29 Riverside Temecula Comment
  POM147901  Collinsia heterophylla J. B. Feudge 1927-5-18 1602 Riverside West of Moreno Grade, near Moreno. 671 Comment
  HSC28488  Colubrina californica Richard Spjut 1973-5-3 3342 Riverside Colorado Desert, N face of Chuckawalla Mtns. 3-4 mi. S of Desert Center 305 Comment
  RSA249425  Colubrina californica R. W. Spujt 1973-4-10 3296 Riverside North face of the Chuckwalla Mountains, 3-4 miles directly south of Desert Center 305 Comment
  UCR240038  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd. junction, large wash on SW side of road 727 Comment
  UC520002  Conium maculatum Joseph Andorfer Ewan 1932-7-9 7493 Riverside 1 mi n of Rincon (in Chico Creek at Santa Ana River); Santa Ana River, Chico Creek Comment
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Nov 6 2011
  UCR274069  Conium maculatum Dave Goodward 2016-7-30 716- 1 Riverside San Jacinto Mountains, Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River 1327 Comment
  VVC27  Conium maculatum P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  UCR250094  Convolvulus simulans A. C. Sanders 2014-4-18 41038 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  POM13243  Conyza bonariensis P. A. Munz, I. M. Johnston 1922-5-19 5358 Riverside 5 miles NE of Murietta. 457 Comment
  RSA191402  Conyza canadensis E. W. Lathrop, R. F. Thorne 1967-9-26 6640 Riverside 6 miles NW of Murrieta. Comment
  RSA552765  Conyza canadensis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6751 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  JEPS6811  Cordylanthus nevinii Carl V. Meyer 1928-7-26 528 Riverside Roach Sawmill site San Jacinto Mountains 2072 Comment
  UCR163664  Cordylanthus nevinii Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., NW side of Pine Cove, south of Logan Creek near Truck Trail, SE of peak 6022 1814 Comment
  POM230198  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6962 Riverside N Fork San Jacinto River. 1500 Comment
  POM356162  Corethrogyne filaginifolia Albert J. Perkins 1916-9-2 s.n. Riverside Idylwild Comment
  UC76431  Corethrogyne filaginifolia Miss M. Alice King 1893-12-1 Riverside Menifee<?> Comment
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Apr 3 2011
  CAS-BOT-BC291362  Cotula coronopifolia Philip A. Munz 1941-5-18 16665 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  UCR60657  Crassula aquatica R. F. Thorne 1973-5-23 43849 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA394725  Crassula connata Barbara Shervanick 1973-2-18 645 Riverside [San Jacinto Mtn. foothills] Palm Springs, end of Raquet Club Road 1/2 mile from aerial tramway. 366 Comment
  UCR260882  Crassula connata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41491 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  CAS-BOT-BC427941  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 518 Comment
  UCR228873  Crassula tillaea A. C. Sanders 2011-4-7 39026 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  POM129654  Cressa truxillensis J. D. Abrams 1900-05 11204 Riverside Elsinore Comment
  SEINET238506  Cressa truxillensis A. C. Sanders, Mihai Costea; D Bramlet T Salvato 1999-10-15 23182 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1 mile W of Jackrabbit Trail on Gilman Spg Rd. 0.4 mi. W of Quail Lake G 436 Comment
  NY268561  Crossosoma bigelovii L. D. Benson 1945-3-29 11632 Riverside Canyon on road to Palm Springs in Little San Bernardin Mtns, Colorado Desert Drainage. 670.6 Comment
  JOTR28933  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA586856  Croton californicus D. L. Banks, S. D. Boyd 1995-5-3 0275 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCD141985  Croton californicus G. L. Webster; R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, above Aguanga. 640 Comment
  UCR111576  Croton californicus Mitch Provance 1999-1-5 1739 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  RSA184046  Croton californicus var. mohavensis I. L. Wiggins 1966-11-22 20461 Riverside Along Highway 60 about 1.5 mi. SE of garnet Hill. Comment
  UC1929841  Croton setiger Scott D. White, Angelia Carey 2004-7-2 10573 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Poppet Creek Canyon. Comment
  UCR234326  Cryptantha A. C. Sanders, John F. Green 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona 319 Comment
  UCR256768  Cryptantha T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7879 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  GMDRC5512  Cryptantha angustifolia J. Andre 2012-3-19 21300 Riverside Orocopia Mountains: N. end of range, 0.5 mi. south of Jct of Box Canyon Rd and I-10 freeway, 23 miles east of city of Coachella 470 Comment
  SBBG6233  Cryptantha angustifolia H. and M. Dearing 1942-3-3 4806 Riverside Cathedral City Comment
  SBBG97219  Cryptantha angustifolia W. L. Halvorson 1977-3-8 77 -83 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SD126015  Cryptantha angustifolia F. R. Fosberg 1928-3-17 5141 Riverside Thousand Palms Canyon 60 Comment
  UCR166853  Cryptantha angustifolia 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
  UCR175169  Cryptantha angustifolia Jim Andre 2006-4-6 6692 Riverside S Mojave Desert, Joshua Tree National Park: along Pinto Basin Rd. in Wilson Canyon 866 Comment
  UCSB5531  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twentynine Palms turnoff Comment
  RSA339314  Cryptantha barbigera R. F. Thorne, R. K. Benjamin, C. W. Tilforth, L. M. Shultz, J. Hogge 1980-4-16 54048 Riverside SAN BERNARDINO MTS. : Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  SBBG53362  Cryptantha barbigera J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UC1212051  Cryptantha barbigera Peter H. Raven 1960-3-16 14846 Riverside Box Canyon Comment
  UCR18172  Cryptantha barbigera A. C. Sanders 1978-4-2 00188 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR20838  Cryptantha barbigera A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1305 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR38138  Cryptantha barbigera J. M. Stewart 1985-3-16 S.N. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  POM229462  Cryptantha barbigera var. barbigera P. A. Munz 1937-5-29 15102 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR243166  Cryptantha barbigera var. fergusoniae LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4328 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  POM3853  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mountains Comment
  SEINET3100711  Cryptantha costata G. Rink, M. Honer, K. Christie 2012-3-19 11083 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  RSA0103651  Cryptantha cycloptera Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2182 Riverside Northwest end of the McCoy Mountains, NW of Blackjack Mine. 400 Comment
  UCR116608  Cryptantha decipiens A. C. Sanders 2001-4-8 23977 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR249523  Cryptantha dumetorum T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7294 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
  UCR244861  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  UC857150  Cryptantha intermedia L. Haines and L. Erickson 1937-4-9 Riverside near Winchester (Riverside-Hemet road) Comment
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Mar 20 2011
  UCD119851  Cryptantha intermedia Geoffrey Levin 1975-4-26 487 a Riverside Mayhew Canyon Wash, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR106338  Cryptantha intermedia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR241692  Cryptantha intermedia T. B. Salvato 2013-3-22 7400 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  RSA499628  Cryptantha maritima Robert Gustafson 1980-4-3 1526 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UCR18174  Cryptantha maritima A. C. Sanders 1978-4-2 00202 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  RSA4902  Cryptantha maritima var. pilosa C. B. Wolf 1932-4-27 3018 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  CLARK-A1528-2222  Cryptantha micrantha subsp. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mountains Comment
  SBBG118557  Cryptantha microstachys L. Gross with V. Soza 2003-5-8 828 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UCR172757  Cryptantha microstachys Abby Sirulnik, Ian G. Gillespie 2000-5-14 44 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR43758  Cryptantha microstachys A. C. Sanders 1986-4-30 6490 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UC1595614  Cryptantha muricata Steve Boyd 1991-5-20 6276 Riverside nw of Lake Elsinore (Lower Rice Canyon, just inside Cleveland National Forest boundary); Santa Ana Mountains, Lower Rice Canyon 573 Comment
  SD29589  Cryptantha muricata var. denticulata Darley F. Howe 1941-6-9 1125 Riverside Mt. San Jacinto 1525 Comment
  JOTR35065  Cryptantha muricata var. jonesii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3517 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA0014945  Cryptantha muricata var. jonesii LeRoy Gross, Evan Meyer 2013-5-21 6114 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  RSA0079421  Cryptantha muricata var. jonesii Steve Boyd 1991-5-20 6276 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  SBBG101675  Cryptantha muricata var. muricata S. Boyd with R. Gentry 1991-5-30 6316 Riverside Murrieta, summit of Hogbacks on Gentry Experimental Farm 542 Comment
  UCR18759  Cryptantha nevadensis John C. Roos, Lucille Roos 1949-4-11 4246 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mtns, south of Desert Center Comment
  RSA0125280  Cryptantha nevadensis var. rigida Duncan S. Bell 2016-3-3 8785 Riverside Whitewater Canyon; near mouth of canyon, approximately 1 air mile south of Bonnie Bell, east side of the road, north of large gravel pit. 460 Comment
  UC1329935  Cryptantha pterocarya James E. Cole 1941-4-13 566 Riverside 0.5 mi n Meeks Cabin; Joshua Tree National Monument, Pinto Pass Comment
  JOTR30328  Cryptantha racemosa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1772 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./Porcupine wash. Deep canyon with sandy bottom and rocky steep slopes. 778 Comment
  RSA0123679  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-9 8862 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  CAS-BOT-BC68027  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside San Jacinto Mts. - summit of San Jacinto Peak 3293 Comment
  CDA39908  Cuscuta californica var. papillosa E. H. Asher 1958-6-9 509 -58 Riverside Rancho Mirage. 0 Comment
  UCD84491  Cuscuta denticulata Chuck Hughes 2010-6-11 147 Riverside Abandoned Rice military airfield, about 0.4 mile south of Highway 62. 269 Comment
  POM201675  Cuscuta subinclusa L. M. Booth 828 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  CAS-BOT-BC59396  Cylindropuntia bigelovii var. bigelovii L. R. Abrams 1926-3-26 11212 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA125841  Cylindropuntia echinocarpa E. K. Balls, Percy C. Everett 1957-11-13 22801 Riverside Snow Creek, between village and Fish Hatchery. 671 Comment
  JOTR36023  Cymopterus panamintensis var. acutifolius Harding, Mitzi, T. Herskovits 2012-3-16 229 Riverside Joshua Tree National Park. Cholla Wash Comment
  POM178579  Cymopterus panamintensis var. acutifolius Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. 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
  POM10386  Cyperus laevigatus F. M. Reed 1905-10-29 836 Riverside Chinatown ford on Santa Ana River. [Riverside, crossing of river below the old Chinatown site in lower Arroyo Tequesquite] Comment
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Oct 10 2009
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  RSA577532  Cyperus odoratus L. C. Wheeler 1932-9-4 1334 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR60752  Cyperus odoratus Bill Wagner 1989-11-28 s.n. Riverside Peninsular Range, c. 1 mi west of Santa Margarita River, 3-4 mi south of Temecula. Comment
  POM11657  Cystopteris fragilis P. A. Munz, I. M. Johnston 1922-5-19 5386 Riverside 3 miles west of Keen Camp. 1494 Comment
  CDA1954  Dactyloctenium aegyptium B. Ballen 1983-11-22 Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio. 0 Comment
  SEINET12155980  Dalea emoryi L. S. Rose 1936-1 36789 Riverside Palm Springs 139 Comment
  RSA48422  Dalea mollis E. K. Balls 1949-4-12 12907 Riverside Near Durmid on Hwy 111 by Salton Sea. -67 Comment
  SFV17535  Dalea mollis R. Moss Apr 1998 s. n. Riverside Mojave Desert Mecca Hills Wilderness Area (BLM) north of Salton Sea near Shavers Well. 500 Comment
  UCR138565  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  SD224957  Dalea mollissima G. K. Helmkamp 1998-2-5 2673 Riverside Little San Bernardino Mtns., 3.2 mi N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  SEINET10452144  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2063 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR166859  Dalea mollissima 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
  RSA774925  Dasyochloa pulchella Duncan S. Bell 2011-4-7 2167 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  RSA795515  Dasyochloa pulchella C. P. Cowan 1978-4-23 1186 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCD65758  Dasyochloa pulchella F. M. Reed 1927-1-5 5691 Riverside Eagle Canyon, 5 miles east of Palm Springs. 228 Comment
  UCR101803  Datisca glomerata George K. Helmkamp, E. A. Helmkamp 1998-8-17 4440 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCD126509  Datura discolor Geoffrey Levin 1976-10-17 1167 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills. 91 Comment
  UCR161736  Datura discolor Mark A. Elvin 2005-4-26 4234 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  SBBG103861  Daucus pusillus M. A. Patten 1992-5-7 92 -30 Riverside Santa Rosa Plateau, along Via Vaquero at Via Oesta, ca. 5 km W of Temecula Comment
  UCR180143  Daucus pusillus Mitch Provance 2003-4-26 9900 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC293816  Deinandra fasciculata A. C. Sanders 2004-5-11 27855 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  SDSU12947  Deinandra fasciculata Jutta Buschbom 1991-6-1 19 Riverside Santa Margarita Ecological Reserve, Temecula. 152 Comment
  RSA759102  Deinandra kelloggii Robt Allen, Linnell R. Allen 2008-7-27 s.n. Riverside Long Canyon watershed, along Long Canyon Rd. 136 meters (0.08 air miles) NW of junction with Ortega Hwy (SR74). In meadow S of roadway. 724 Comment
  SBBG104030  Deinandra kelloggii A. C. Sanders 1993-5-17 14063 Riverside S side of Florida Ave (Hwy 74) on E side of California Ave; Hemet 460 Comment
  UC1792822  Deinandra kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 377 Comment
  CAS-BOT-BC131034  Deinandra paniculata James I. McMurphy 1916-8-13 s.n. Riverside Riverside Comment
  SD135127  Deinandra paniculata Craig Reiser 1993-6-14 Riverside Near Winchester, N of Patton Rd. and several hundred yards N of San Diego aquaduct Comment
  UCR247554  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10- 50 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  UCSB36658  Delphinium parishii subsp. parishii Brownell, Kathleen 1980-5-16 Riverside 3 mi S. on Tenaja Rd; from Calle Colina; Santa Ana Mts Comment
  RSA0020479  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1070 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UCR104157  Delphinium parryi subsp. parryi Scott D. White 1997-5-25 5230 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UC64114  Delphinium patens subsp. hepaticoideum H. M. Hall May 1899 1175 Riverside El Toro Mt. San Jacinto Mountains Comment
  UC1287009  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside in wash 3 mi e Glen Ivy Hot Springs Comment
  UCR133399  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-5-7 MOR- 108 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  POM12965  Dendromecon rigida subsp. rigida P. A. Munz, I. M. Johnston 1922-5-19 5406 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA0029102  Descurainia John F. Emmel 1989-4-8 1121 Riverside camping area along north shore of Lake Hemet, 1.3 air mi west of Lake Hemet store. 1326 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
  UC1536927  Descurainia pinnata Gordon H. True Jr. 1935-2-22 13 Riverside Gavilan Hills 609 Comment
  POM13046  Descurainia pinnata subsp. glabra P. A. Munz, D. D. Keck 1922-4-9 4858 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  CAS-BOT-BC402298  Dicentra chrysantha Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA740651  Dichelostemma capitatum Scott D. White, Justin M. Wood 2008-6-19 12269 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR137502  Dichelostemma capitatum subsp. capitatum D. L. Banks, V. W. Steinmann 1997-3-13 1484 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
  CAS-BOT-BC292250  Dieteria asteroides var. asteroides H. M. Hall 1905-4-1 5920 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 91 Comment
  HSC79576  Digitaria ischaemum Paul Bailey 1972-5-14 131 Riverside 5 miles SE of Temecula, Hwy. S 16, Pechanga Canyon. Comment
  UCD64071  Digitaria sanguinalis Scott D. White; Brian Leatherman 2004-10-7 10768 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  SDSU13004  Diplachne fusca var. uninervia Michael G. Simpson 1999-10-27 2046 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC152917  Diplacus brevipes Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC152919  Diplacus brevipes Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  SEINET14453131  Diplacus longiflorus C. L. Hitchcock 1940-1 6044 Riverside 8 miles northwest of Elsinore 457 Comment
  UCD114701  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden. 351 Comment
  SEINET7248342 Image available Distichlis spicata Duncan S. Bell, Evan Meyer 2014-1 6493 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; Canyon Spring. 367 Comment
  UCR133653  Distichlis spicata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA13944  Ditaxis lanceolata P. A. Munz 1922-4-9 4883 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UC570801  Ditaxis neomexicana H. L. Mason 1928-3-10 4223 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  CAS-BOT-BC43631  Dithyrea californica Geo. B. Grant 1906-4-8 with 6769 Riverside Palm Springs. Comment
  CAS-BOT-BC43644  Dithyrea californica S. B. Parish 1896-4-4 4107 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain. 213 Comment
  CLARK-A1656-612  Dithyrea californica Lois Ann Scott 1978-3-26 Riverside Indio Hills 228 Comment
  UC489187  Dodecatheon alpinum C. V. Meyer 1928-7-27 560 Riverside Round Valley San Jacinto Mt., Round Valley 2773 Comment
  RSA614301  Draba cuneifolia D. L. Banks, Victor Steinmann 1997-3-13 1507 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
  RSA507954  Drymocallis glandulosa Steve D. Boyd, C. Boyd, Bob Boyd, Richard Noyes, L. Arnseth 1988-5-28 2272 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC1979668  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  UCR101843  Dudleya B. G. Pitzer 1997-4-1 3043 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CAS-BOT-BC411413  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 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
  SEINET3089228  Dudleya saxosa Bruce A. Beebe 1970-1 Riverside Comment
  UCR86035  Dysphania pumilio Michael A. Patten 1992-5-7 92- 26 Riverside Santa Ana mtns., Santa Rosa Plateau, along Via Vaquero at Via Oesta, c. 5 km. west of Temecula 399 Comment
  SEINET8060777 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 15 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 5 2016
  UC28462  Echinodorus berteroi Samuel B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
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Aug 8 2010
  CLARK-A1528-1804  Eclipta alba John C. Roos 1965-7-5 Riverside Thermal 36 Comment
  RSA40573  Eclipta prostrata J. C. Roos 1948-10-23 s.n. Riverside Mud at edge of shallow pool. Comment
  RSA736759  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA0036471  Ehrendorferia chrysantha J. M. Andre 2012-6-15 30500 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  SD68959  Elatine chilensis Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37559 Riverside Santa Rosa Plateau; shallow water of vernal marsh on Mesa de Colorado. 669 Comment
  POM1375  Eleocharis geniculata I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR272460  Eleocharis geniculata Mitch Provance 2012-8-1 712- 04 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  RSA92089  Eleocharis geniculata F. W. Peirson 1924-12-30 5408 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SDSU13554  Eleocharis montevidensis W. Miller 1972-7-20 Riverside Comment
  RSA289841  Eleocharis parishii B. A. Prigge 1980-9-17 4073 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  POM14327  Eleocharis quinqueflora Phillip A. Munz 1922-7-7 6050 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  SD132491  Elymus condensatus Scott White 1990-10-2 Riverside Vail Lake area: Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR154389  Elymus condensatus A. C. Sanders, Mike Misenhelter 2005-6-15 30984 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA680528  Elymus glaucus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8645 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR24987  Elymus glaucus subsp. glaucus A. C. Sanders 1980-7-18 1653 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA599100  Elymus glaucus subsp. jepsonii V. W. Steinmann, D. L. Banks 1996-4-20 843 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  RSA401418  Emmenanthe penduliflora Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  SEINET270931  Emmenanthe penduliflora Richard J. Shaw 1958-5-10 1108 Riverside Juniper Flat approximately 7 miles from Palm Desert. 1219 Comment
  UCR165405  Emmenanthe penduliflora A. C. Sanders 2005-4-21 29567 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR123822  Emmenanthe penduliflora var. penduliflora Steven R. Hill 2001-5-3 33661 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UC1929885  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside SAN BERNANDINO MOUNTAINS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. (Whitewater) Comment
  UCR274545  Encelia californica Mitch Provance, Ken Halama 2003-6-15 17061 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. 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
  SEINET2050575 Image available Encelia farinosa Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd. & Mockingbird Canyon Road. 366 Comment
  UCD131202  Encelia farinosa David Charlton 1988-2-18 1156 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 5 miles east of Jct Dillon Road and Fargo Canyon Road. 762 Comment
  UCR120566  Encelia farinosa Helen Kennedy, T. B. Salvato 2002-2-2 5452 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR220003  Encelia farinosa A. C. Sanders 2010-11-18 38691 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR83194  Encelia farinosa A. C. Sanders 1994-5-15 14483 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM41497  Encelia farinosa var. farinosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  POM7054  Encelia farinosa var. farinosa P. A. Munz, L. T. Street, Williams 1919-3-26 2337 Riverside Palm Springs. 213 Comment
  RSA522772  Encelia farinosa var. farinosa Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3879 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SEINET9357623  Encelia virginensis var. actoni Unknown 1936-12-22 Riverside Riverside Comment
  UCR281919  Enchylaena tomentosa A. C. Sanders 2017-9-9 43329 Riverside Riverside, Belvedere Heights neighborhood at the foot of the Box Springs Mountains, Two Trees Road between Belvedere Dr. and Galaxie Heights Rd. 389 Comment
  RSA383800  Ephedra aspera E. C. Jaeger 1922-3-22 s.n. Riverside Murray Canyon 305 Comment
  SEINET3111912  Ephedra aspera Sears 1977-10-12 S-- 578 Riverside Corn Spring; Desert Palm Oasis. 549 Comment
  JOTR34111  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2743 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA777283  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4739 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UC1007228  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside 2 mi n, Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  UCD133067  Ephedra californica F. A. Thackery 1928-3-6 254 A Riverside White Water. Comment
  RSA383840  Ephedra nevadensis Erwin Miller 1934-4-28 18722 Riverside Top of divide near Key s View, Little San Bernardino Mountains 1555 Comment
  CAS-BOT-BC81859  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  CAS-BOT-BC81873  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  SEINET3005053  Ephedra trifurca G. Rink 2011-4-28 10491 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 94 Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  UC1287195  Ephedra viridis C. L. Hitchcock 1966-3-16 24204 Riverside 7 mi s of Palm Desert (along Palms to Pines Hiway) Comment
  UCSB9241  Ephedra viridis Krogen, Roger 1957-1 Riverside 7 mi. W of junction of Hwy 60-70 in Box Canyon wash Comment
  OBI37516  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Rd. 0.8 mi E of jctn with 8S01 and 8S02 Comment
  RSA758488  Epilobium canum subsp. canum M. Wall 2009-12-4 549 Riverside Bautista Canyon SE of Hemet, along Bautista Canyon Rd. ca. 6.2 miles SE of jct. with Fairview Ave. 779 Comment
  SD70929  Epilobium canum subsp. canum Helen V. Witham 1969-7-2 187 Riverside Occasional, De Luz Creek crossing, 4 miles North of De Luz 249 Comment
  UC20667  Epilobium canum subsp. latifolium H. M. Hall 1897-7-17 694 Riverside Strawberry Creek San Jacinto Mountains 1676 Comment
  UCR90591  Epilobium ciliatum Scott D. White 1995-6-29 3408 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  OBI5914  Epilobium oregonense Carl B. Wolf 1932-8-5 3961 Riverside On trl from Tahquitz Valley to San Jacinto Peak head of a fork of Tahquitz Crk 2743 Comment
  RSA263734  Epipactis gigantea E. W. Lathrop 1968-5-12 6854 Riverside 4 miles W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive 305 Comment
  UCR93101  Eragrostis cilianensis F. M. Reed 1933-9-11 8065 Riverside Riverside 244 Comment
  RSA129660  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio. 30 Comment
  UCR108723  Eremalche exilis Scott D. White, Pam DeVries 1998-3-3 6089 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  RSA0107384  Eremalche rotundifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 766 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA651901  Eremalche rotundifolia G. S. Eleiott 1949-3-15 s.n. Riverside Colorado [Desert] 15 miles east of Palm Springs. 244 Comment
  UCR102741  Eremalche rotundifolia B. G. Pitzer 1998-2-1 3439 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UC17608  Eremocarpus setiger Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  JOTR34317  Eremothera boothii subsp. condensata Andre, Jim 2012-4-11 20815 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  UCR245259  Eremothera refracta Jim Andre 2012-3-19 21306 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CLARK-A1528-3491  Eriastrum densifolium John C. Roos 1965-7-22 Riverside San Jacinto Mountains Comment
  RSA0105505  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1978-6-15 7381 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  RSA0104871  Eriastrum densifolium subsp. austromontanum D. L. Banks, S. D. Boyd 1995-10-17 0784 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
  POM8324  Eriastrum eremicum Mary F. Spencer 1918-5-7 s.n. Riverside San Jacinto Mountains 1524 Comment
  JOTR32480  Eriastrum eremicum subsp. eremicum Herskovits, Tasya 2011-5-25 16 Riverside Joshua Tree National Park. Cottonwood Mountains; Large, sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA0120674  Eriastrum harwoodii Duncan S. Bell 2011-4-7 2174 Riverside On the northeast side of the Arica mountains; approximately 2.2 air miles northwest of Priests Well, or approximately 4.5 air miles southwest of the ghost town of Rice. 359 Comment
  RSA0120682  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 mi south of Rice on the Blythe road. 213 Comment
  UCR177027  Eriastrum sapphirinum Tracy Tennant 1998-6-5 s.n. Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  UCR59697  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  RSA0122969  Eriastrum sapphirinum subsp. sapphirinum Scott D. White, Justin M. Wood 2008-6-16 12141 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  CAS-BOT-BC515039  Eriastrum sapphirinum subsp. sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside San Jacinto Mts., Point View, near Idyllwild 1645 Comment
  CAS-BOT-BC515040  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1896-8-1 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  SD128372  Ericameria linearifolia R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2065 Riverside Slopes along Coyote Canyon Road, Terwilliger Valley. 900 Comment
  UCD166230  Ericameria linearifolia Jack Major 1962-4-16 773 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CAS-BOT-BC298878  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  SEINET10443476 Image available Ericameria palmeri var. pachylepis Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile shohet, and Youssef Atallah 2015-7-3 18380 Riverside 1.8km south of San Timoteo Wash, 15km SE of central San Bernardino, 35m south of the San Bernardino County line 491 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
  JOTR33672  Erigeron breweri var. covillei La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2662 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  CAS-BOT-BC294843  Erigeron breweri var. jacinteus Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt. 2499 Comment
  CAS-BOT-BC296795  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench, Colorado Desert Comment
  RSA507474  Erigeron foliosus Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA735928  Erigeron foliosus Scott D. White, Justin M. Wood 2008-5-29 12045 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  SD247325  Erigeron foliosus T. B. Salvato, Matt Malle 2014-5-29 8019 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (=Sunset Ave), about 1 mile west of Murrieta Road and 4.3 mile southeast of Canyon Lake. 534 Comment
  CAS-BOT-BC189079  Eriodictyon crassifolium H. E. McMinn 1925-7-1 1519 Riverside By wash, between Palm Springs and the canyon mouth Comment
  RSA450469  Eriodictyon crassifolium J. C. Roos 1965-6-13 s.n. Riverside Palms to Pines Hwy., San Jacinto Mtns. Comment
  RSA455025  Eriodictyon crassifolium E. C. Jaeger 1921-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat], north slope San Jacinto Mts Comment
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Nov 5 2011
  RSA456545  Eriodictyon crassifolium L. B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch, Hemet Valley, San Jacinto Mtns. Comment
  RSA77238  Eriodictyon crassifolium F. W. Peirson 1921-3-22 990 Riverside Murray Canyon, Near Palm Springs. 366 Comment
  UC880707  Eriodictyon crassifolium P. A. Munz 1922-4-28 5055 Riverside Leach Canyon , Leach Canyon (Santa Ana Mts.) 609 Comment
  UCR130879  Eriodictyon crassifolium A. C. Sanders, John Green 1999-5-31 22797 Riverside Box Springs Mtns., upper Two Trees Canyon, east of Belvedere Heights 610 Comment
  CAS-BOT-BC189129  Eriodictyon crassifolium var. crassifolium L. R. Abrams 1908-7-21 5052 Riverside Santa Ana Mountains, near Elsinore Comment
  JEPS57  Eriodictyon trichocalyx M. D. Clary 1932-4-3 1030 Riverside 8 mi w Indio (Indian Wells, Whitewater Wash); Colorado Desert, Indian Wells, Whitewater Wash 30 Comment
  RSA78305  Eriogonum apiculatum P. A. Munz, E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UCR268302  Eriogonum davidsonii Jim Andre 2012-6-15 30517 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  JOTR31983  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2218 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  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
  JEPS56956  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1914-5-17 5986 Riverside Pinyon Well 762 Comment
  LA206858  Eriogonum fasciculatum var. foliolosum A. M. Johnson; August 1819 1932 4132 Riverside San Jacinto Mountains, along road Comment
  RSA34505  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  RSA784656  Eriogonum fasciculatum var. foliolosum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 62 Riverside Temescal Canyon road, exit Indian Truck Trail from Hwy 5, southern coast of Corona lake, dry flood-plain. Comment
  RSA393340  Eriogonum fasciculatum var. polifolium H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  RSA650849  Eriogonum fasciculatum var. polifolium Edward Kai 1970-5-21 10 Riverside Desert Wash 8 miles W Palm Desert. 915 Comment
  UCR100084  Eriogonum fasciculatum var. polifolium R. G. Swinney 1967-3-5 332 Riverside San Jacinto Mountains/Colorado Desert, Snow Creek, on E side of desert slope 366 Comment
  UCR95947  Eriogonum fasciculatum var. polifolium Scott D. White 1996-8-1 4338 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA766313  Eriogonum gracile Joseph A. Ewan 1928-8-23 1524 Riverside Strawberry Valley. San Jacinto Mtns. 1616 Comment
  UC574981  Eriogonum gracile C. Epling, Wm. Robison Jun 24 1933-Jun 27 1933 Riverside San Gorgonio Wash Little San Bernardino Mountains, San Gorgonio Wash Comment
  UCR162622  Eriogonum gracile S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  POM2262  Eriogonum gracile var. gracile F. M. Reed 1905-9-16 818 Riverside Teraces Ranch. Comment
  RSA242184  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  RSA33368  Eriogonum gracile var. gracile N. C. Cooper 1943-9-26 929 Riverside Cabazon. 610 Comment
  UCR21140  Eriogonum gracile var. incultum 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
  SBBG25142  Eriogonum inflatum var. inflatum D. Myrick 1966-4-1 1321 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  CAS-BOT-BC263120  Eriogonum maculatum Annie M. Alexander; Louise Kellogg 1941-5-15 2177 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  SD8023  Eriogonum maculatum S. B. Parish, W. F. Parish April 1882 Riverside Agua Caliente [=Palm Springs, says Andy Sanders] Comment
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Nov 3 2011
  UCR242663  Eriogonum molestum A. C. Sanders 2013-7-6 40852 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  JOTR30756  Eriogonum plumatella La Doux, Tasha, Jim Andre 2007-9-6 137 Riverside Joshua Tree National Park. Queen Valley, just E. of Geology Tour Rd. in July 2006 burn area. 1318 Comment
  JOTR16820  Eriogonum pusillum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UC472762  Eriogonum pusillum M. F. Spencer 1921-4-9 Riverside canyon pr. Palm Springs; Colorado Springs 182 Comment
  CAS-BOT-BC253015  Eriogonum reniforme Annie M. Alexander; Louise Kellogg 1941-5-28 2261 Riverside Metropolitan Aqueduct Road, east of Hayfield Comment
  SBBG1613  Eriogonum reniforme H. and M. Dearing 1937-4-10 Riverside 16 mi N of Indio Comment
  CAS-BOT-BC263524  Eriogonum thomasii John H. Thomas 1957-3-30 6526 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  JOTR33971  Eriogonum thomasii La Doux, Tasha, M. Harding 2010-4-7 2859 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM147642  Eriogonum thomasii F. M. Reed 1927-3-20 5413 Riverside Salt Creek Wash. Comment
  RSA176944  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles SW of junct. with routes 60-70. At the base of S facing bluffs in Box Canyon. Comment
  SBBG1630  Eriogonum thomasii H. and M. Dearing 1940-1-1 4067 Riverside near Mecca Comment
  UC310593  Eriogonum thomasii Philip A. Munz 1926-1-31 9971 Riverside Dos Palmos Spring Colorado Desert, Dos Palmos Spring Comment
  UC849809  Eriogonum thomasii I. W. Clokey 1935-4-17 6581 Riverside Cottonwood Springs Comment
  UC912792  Eriogonum thomasii I. W. Clokey 1935-4-17 6580 Riverside Cottonwood Springs Comment
  UCR74367  Eriogonum thomasii Theo Glenn 1991-5-2 91- 11 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR87119  Eriogonum thomasii A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-3-12 16034 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA0009607  Eriogonum thomasii Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  CAS-BOT-BC262868  Eriogonum thurberi James L. Reveal; C. Rose Broome 1987-6-27 6600 Riverside San Gorgonio Pass, along Esperanza Avenue at Almond Street south of Cabazon above the northern bank of the San Gorgonio River 541 Comment
  POM47238  Eriogonum thurberi Mary F. Spencer 1920-4-5 s.n. Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA424978  Eriogonum thurberi H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  SEINET3405309 Image available Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1219 Comment
  UCR112133  Eriogonum thurberi A. C. Sanders, Robert Noll 1998-5-28 21889 Riverside Riverside, Fairmount Park, SW of Lake Evans at upper end of wooded area associated with Spring Brook, between the two outlets from the lake 244 Comment
  SEINET6894827  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  SBBG1634  Eriogonum trichopes H. and M. Dearing 1930-4-13 114 Riverside Palm Springs vicinity Comment
  CAS-BOT-BC264933  Eriogonum wrightii var. membranaceum F. H. Billings 1932-10-15 2 Riverside Morongo Valley near Redlands Comment
  LA207116  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  RSA420616  Eriogonum wrightii var. membranaceum E. A. McGregor 1963-11-6 68 -a Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  SD122865  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau, Gavilan Hills, Gavilan Creek 2000 Comment
  CAS-BOT-BC261781  Eriogonum wrightii var. nodosum Nancy Ryan Zabriskie; Walter Zabriskie 1970-11-1 330 Riverside Andreas Canyon area, east slope San Jacinto Mts. 426 Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  RSA770858  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4930 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
  UC1118360  Eriophyllum confertiflorum var. confertiflorum A. Lewis 1934-5-1 437 Riverside 1 mi e Ortega Highway; Cleveland National Forest, Elsinore Quadrangle Comment
  UC1257338  Eriophyllum confertiflorum var. confertiflorum E. L. Koethen 1897-8-1 20 Riverside Riverside Comment
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Nov 20 2015
  CLARK-A1528-4987  Eriophyllum confertiflorum var. tridactylum John C. Roos 1942-6-20 1277 Riverside San Jacinto Mountains 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
  RSA69366  Eriophyllum wallacei G. R. Campbell 1951-5-30 16139 Riverside 9 miles west of Anza. 1067 Comment
  RSA771119  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4922 -a 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
  UCR100039  Eriophyllum wallacei Scott D. White 1994-4-23 2048 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
  UCR177949  Eriophyllum wallacei Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 035 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  JOTR31058  Erodium cicutarium La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2041 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR202506  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  CLARK-A1528-2960  Erodium obtusiplicatum John C. Roos 1966-3-22 Riverside Edgemont Comment
  UC1286999  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside about 30 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  UCD150436  Erodium texanum Harry A. George 1968-2-21 s.n. Riverside Joshua Tree National Monument. Comment
  UCR23187  Eryngium aristulatum P. Tomlinson 1981-5-24 43 Riverside Peninsular Range, Near Mesa de Colorado, c. 1 mi south of Tenaja Rd., 3 mi east of Squaw Mtn, and c. 0.25 mi north of central Mesa Colorado 652 Comment
  UC1483307  Eryngium aristulatum var. parishii Robert F. Thorne 1974-5-23 44662 Riverside top of Mesa de Colorado (w. edge of mesa n.w. of large vernal marsh, Rancho California, Santa Rosa Plateau); Santa Rosa Plateau, Rancho California 624 Comment
  UCR113636  Eryngium aristulatum var. parishii June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  RSA0076217  Erythranthe androsacea Jeri Hirshberg 1995-5-19 279 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA0014889  Erythranthe tilingii P. A. Munz 1922-7-6 5992 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  UCD101786  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  HSC16762  Eschscholzia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23096 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  SEINET7072834  Eschscholzia californica A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UCR174101  Eschscholzia californica A. C. Sanders 2006-5-19 32469 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA678285  Eschscholzia californica subsp. californica Michael Wall 2003-5-24 295 Riverside Northeast of Skinner Reservoir, off Rawson Rd. at jct with Hidden Falls Rd., 2.5 miles from jct. with Washington Ave. off Winchester Rd. 553 Comment
  CLARK-A1656-760  Eschscholzia glyptosperma unknown 1979-3-11 Riverside Coachella Valley 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
  RSA0022949  Eschscholzia minutiflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4612 -b Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA445666  Eschscholzia minutiflora Robert M. Perkins 1937-3-15 422 Riverside 10 miles W of Desert Center. Comment
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Apr 5 2011
  UCD80948  Eschscholzia minutiflora Chuck Hughes 2009-3-24 67 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 268 Comment
  UCR180229  Eschscholzia minutiflora Scott D. White, Pam Devries 2006-3-14 11257 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA0023136  Eschscholzia minutiflora Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UCD96520  Eschscholzia papastillii Shannon M. Still 2009-2-21 439 Riverside California. Riverside County. 229 Comment
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Sep 2 2017
  CAS-BOT-BC419610  Eschscholzia parishii Aven Nelson; Ruth Nelson 1939-3-29 3320 Riverside Near Palm grove, Hidden Springs Canyon Comment
  RSA4901  Eschscholzia parishii Carl B. Wolf 1932-4-27 3017 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCR148439  Eschscholzia parishii S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCR251644  Eschscholzia parishii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 826 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  RSA709243  Eucalyptus A. C. Sanders, C. L. Sanders, O. F. Clarke, A. M. Boyce 1993-11-7 14220 Riverside Riverside, residential garden of Al M. Boyce, 266 Frost Court (E edge of UCR) 360 Comment
  RSA180274  Eucrypta chrysanthemifolia E. W. Lathrop 1965-5-18 5753 Riverside 8 miles W of Murrieta. 610 Comment
  RSA420929  Eucrypta chrysanthemifolia E. Crow 1929-3-17 197 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR137045  Eucrypta chrysanthemifolia A. C. Sanders 2004-5-5 27770 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR259204  Eucrypta chrysanthemifolia Mitch Provance 2012-3-30 312- 03 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  POM259685  Eucrypta chrysanthemifolia var. bipinnatifida P. A. Munz 1940-3-23 15715 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA644108  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White 1995-3-30 2640 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  CLARK-A1528-2973  Eucrypta micrantha John C. Roos 1958-2-21 Riverside Chuckwalla Mountains Comment
  SD239815  Eugenia uniflora A. C. Sanders, T. B. Salvato 2012-2-8 39961 Riverside Peninsular Range: Riverside, south side of UCR campus at old C.E.S. Director's garden, S of South Campus Dr., near College Building North (Riverside East 7.5'Q) 353 Comment
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  JOTR34191  Eulobus californicus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2985 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  GMDRC3749  Euphorbia eriantha J. Andre, J. AndreT. La Doux 2009-3-1 11246 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
  UCD142612  Euphorbia maculata Lewis S. Rose 1967-12-19 67179 Riverside La Quinta. 15 Comment
  SEINET4691939  Euphorbia micromera Duncan S. Bell 2012-1 4175 Riverside Rice Valley; east side of the Arica Mountians; approx 6 air miles southeast of the ghost town of Rice and Approx. 5.5 air miles east of Priests Well 202 Comment
  RSA70377  Euphorbia palmeri F. W. Peirson 1922-5-21 4257 Riverside Southeast of Keene camp. San Jacinto mtns, 1463 Comment
  CLARK-A1045-137  Euphorbia polycarpa George K. Helmkamp 1978-4-1 Riverside Deep Canyon by University of California Reserve System Boyd research station; Palm Desert 15'Q Comment
  SDSU12950  Euphorbia polycarpa Jutta Buschbom 1991-6-10 33 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
  UCR136915  Euphorbia polycarpa A. C. Sanders, Kerry Knudsen 2004-5-26 27965 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 512 Comment
  UCR213543  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37828 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR72198  Euphorbia polycarpa Theo Glenn 1991-5-20 91- 97 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UCR176698  Euphorbia prostrata R. D. Goeden, Don W. Ricker 1965-6-18 s.n. Riverside Riverside, north side of Blaine St. just west of Gage Canal 313 Comment
  UCR26189  Euphorbia setiloba John C. Roos 1947-11-1 3756 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  RSA561888  Euphorbia spathulata Steve Boyd 1992-6-10 7640 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido,, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR31296  Euphorbia spathulata A. C. Sanders, Theo Glenn 1983-4-17 3725 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA600225  Euphorbia supina L. C. Wheeler 1960-5-12 7703 Riverside University of California at Riverside. Comment
  CAS-BOT-BC167374  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  RSA550346  Fagonia laevis Walter Wisura, John Dolan, M. Wall 1992-3-24 4642 Riverside Lowdesert: 5.6mi S of I-10 on rd to Corn Spring. Comment
  UCR41463  Fagonia pachyacantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6136 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  RSA439066  Ferocactus cylindraceus H. de Forest 1924-4-15 s.n. Riverside Near Whitewater Highway. Palm Springs Road. Comment
  UC403448  Ferocactus cylindraceus Munz and Johnston 1992-5-7 5292 Riverside Keyes Ranch Little San Bernardino Mts. Comment
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Sep 4 2010
  POM83354  Ferocactus cylindraceus var. cylindraceus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  UCR250107  Festuca microstachys A. C. Sanders 2014-4-9 41008 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UCR137492  Festuca octoflora D. L. Banks, V. W. Steinmann 1997-3-13 1524 A 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
  UCR252614  Festuca octoflora T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-27 7456 Riverside Perris-Aguanga Basin, Menifee, along Murrieta Road between Newport Road and La Piedra Road 457 Comment
  UCR279237  Festuca octoflora Ginny Short 2017-3-17 002 Riverside Coachella Valley, Indio Hills, near Moon Country Trail, c. 0.8 mile west of Thousand Palms Canyon Road and 2.4 miles north of El Ramon Road 247 Comment
  CLARK-A1528-4668  Festuca pacifica John C. Roos 1952-4-9 5481 Riverside Riverside 259 Comment
  SDSU12931  Festuca perennis Jutta Buschbom 1991-5-31 7 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
  RSA336046  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52029 Riverside Chino Canyon Comment
  RSA583376  Filago californica Steve Boyd, Darin L. Banks 1995-4-5 8423 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR232070  Filago californica John F. Green 2008-4-24 13- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  RSA678221  Filago depressa Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1090 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR48385  Filago gallica Steve Boyd 1986-5-7 1842 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  CDA5874  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  UCR22027  Forestiera pubescens Steve Boyd 1980-5-3 176 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  CAS-BOT-BC53342  Frangula californica subsp. cuspidata Louis C. Wheeler 1931-10-4 206 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR116947  Frankenia salina A. C. Sanders, D. Malueg 2001-5-17 24356 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
  POM11435  Frasera parryi P. A. Munz 1922-7-3 5964 Riverside S slopes of Santa Rosa Mts. 1677 Comment
  UCR132722  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA667307  Funastrum cynanchoides var. hartwegii B. Pitzer 1989-4-16 1309 Riverside Chocolate Mountains Aerial Gunnery Range. 4 km W of Tabaseca Tank, in Impact Area. 620 Comment
  UCR281017  Funastrum cynanchoides var. hartwegii Fred M. Roberts 2016-3-5 7989 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA458597  Funastrum hirtellum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA737323  Gaillardia pulchella Justin M. Wood 2008-9-22 156 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR201640  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-18 12211 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA770433  Galium angustifolium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4566 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR202327  Galium angustifolium 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
  RSA525701  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1990-5-11 4639 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
  RSA544390  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1991-6-14 6404 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR116892  Galium angustifolium subsp. angustifolium A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24207 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  RSA0011081  Galium angustifolium subsp. angustifolium J. D. Abrams 1901-05 13433 Riverside Elsinore. Comment
  JOTR34266  Galium angustifolium subsp. gracillimum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3282 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  UCR123869  Galium angustifolium subsp. gracillimum Steven R. Hill 2001-5-3 33675 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  SEINET7048169  Galium angustifolium subsp. jacinticum Steven R. Hill 2001-5-3 33675 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
  POM283990  Galium aparine Lyman D. Benson 1932-3-26 3179 a Riverside Temecula Grade. Temecula Valley. 549 Comment
  POM367765  Galium aparine N. C. Cooper 1944-5-21 1236 Riverside San Jacinto Mountains, West side 915 Comment
  SD137627  Galium aparine Darin L. Banks 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail 609 Comment
  UCR92051  Galium aparine Scott D. White, M. Jacobsmeyer 1996-4-20 3953 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UCR92044  Galium nuttallii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3346 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
  POM12870  Galium parishii Philip A. Munz 1922-7-6 6022 Riverside Near Hidden Lake. 2561 Comment
  UCR26357  Galium parishii A. C. Sanders, J. A. Harpel 1981-8-26 2332 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  SBBG118778  Galium porrigens var. porrigens S. D. White 1999-7-9 7536 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  UCR16638  Galium stellatum subsp. eremicum Bonner Blong 1966-3-27 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Near drinking fountain along Carrizo Creek, off Hwy74, 'el. 3000 ft. 671 Comment
  LA93407  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside Santa Rosa Mountains, by Cactus Spring Trail crossing of Horsethief Creek, trubutary to Deep Canyon, N slope of mountains (Site 13) 1097 Comment
  RSA97291  Garrya flavescens var. pallida F. W. Peirson 1933-4-13 10644 Riverside 1-2 miles SE of Palm Creek crossing, on road from Deep Canyon to Idyllwild, Santa Rosa Mts. 1524 Comment
  RSA601080  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen 1996-5-1 18121 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1098 Comment
  UCR25458  Gastridium ventricosum John C. Roos 1939-5-27 s.n. Riverside Reche Canyon Comment
  UCR199714  Gaura sinuata Scott D. White, Justin Wood 2008-6-26 12292 Riverside Perris Basin, I-215 freeway just north of San Jacinto River crossing 431 Comment
  SEINET10859115  Gazania linearis Nye Leith, Greg Gust 2005-3-11 Nye 68 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA559938  Gazania longiscapa Steve Boyd 1992-4-18 6889 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  CAS-BOT-BC303581  Geraea canescens John Thomas Howell 1928-3-11 3433 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  RSA0107852  Geraea canescens Duncan S. Bell, Amanda Turek 2009-3-30 164 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA747721  Geraea canescens Justin M. Wood 2009-3-26 404 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  SEINET4344937 Image available Geraea canescens Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  CAS-BOT-BC225252  Gilia J. Vale 1980-4-12 s.n. Riverside Near Aguanga Comment
  UCR154400  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16214 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR193301  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  UCR241258  Gilia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1200 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
  CLARK-A1528-3502  Gilia angelensis John C. Roos 1952-4-2 5460 Riverside Box Springs 487 Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  SDSU3069  Gilia australis H. Wedberg 1962-4-20 907 Riverside About 1 miles SE of Pinyon Flats on road to Palm Springs. Comment
  RSA559955  Gilia capitata subsp. abrotanifolia Steve Boyd, Orlando Mistretta 1992-4-23 7066 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA71798  Gilia capitata subsp. abrotanifolia F. W. Peirson 1924-7-29 5034 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UC908922  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-5-2 3196 Riverside Temecula Valley Comment
  RSA516958  Gilia diegensis Ed LaRue 1990-3-29 s.n. Riverside 1/2 miles W of town of Aguanga, 1-2mile airline N of San Diego County line. 610 Comment
  UCR64606  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Santa Ana River Valley, Fairmount Park Comment
  UC880040  Gilia ochroleuca subsp. exilis Mary F. Spencer 1922-4-23 2053 Riverside Banning Maillard Canyon <?> Banning (Millard Canyon) 731 Comment
Read comments
Mar 13 2011
  UCR92232  Gilia ochroleuca subsp. exilis D. L. Banks, Steve Boyd 1995-5-3 0256 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA0017106  Gilia ochroleuca subsp. exilis P. A. Munz 1926-4-30 10376 Riverside Near Temecula. Comment
  RSA480028  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR237483  Gilia scopulorum Duncan S. Bell 2010-3-20 601 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  RSA172305  Gilia stellata R. F. Thorne 1963-3-29 32414 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA67730  Gilia stellata Verne Grant, Alva Grant 1952-4-1 17523 Riverside Near White Tank at summit of pass between Little San Bernardino Mountains and Pinto Mountains Comment
  SD186045  Glinus lotoides A. C. Sanders, Kerry Knudsen and T. B. Salvato 2004-5-18 27909 Riverside Southeast of old clay mining area. 448 Comment
  CAS-BOT-BC280554  Glyceria elata Scott D. White 1998-7-31 6954 Riverside San Jacinto Mts. Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1950 Comment
  CLARK-A1528-221  Gnaphalium californicum R. P. Sunderman 1968-5-1 4 Riverside Riverside 335 Comment
  RSA584813  Gnaphalium californicum R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61191 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR139965  Gnaphalium californicum John F. Green 2003-6-1 s.n. Riverside San Bernardino Valley Region, Riverside, western foot of the Box Springs Mtns., Belvedere Heights, off Mt. Vernon Ave. 381 Comment
  UCR90599  Gnaphalium californicum Scott D. White 1995-6-29 3380 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR98674  Gnaphalium californicum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR174241  Gnaphalium luteoalbum A. C. Sanders, T. B. Salvato 2006-6-2 33078 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA192005  Gnaphalium microcephalum H. A. Zuill 1966-7-7 280 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  CAS-BOT-BC307397  Gnaphalium palustre F. W. Peirson 1930-5-10 8769 Riverside Hemet Plateau, near March Field road from Riverside to Perris 457 Comment
  UCR174347  Gnaphalium palustre A. C. Sanders 2006-5-19 32402 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR117334  Gnaphalium stramineum Mitch Provance 1998-6-11 665 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR174350  Gnaphalium stramineum A. C. Sanders 2006-5-19 32393 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA478799  Grayia spinosa C. Cunningham 1941-2-8 s.n. Riverside Whitewater. 305 Comment
  RSA778237  Guillenia lasiophylla Duncan S. Bell 2009-3-8 42 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  POM294580  Gutierrezia bracteata Lyman Benson 1945-11-10 11913 Riverside 5 miles east of Temecula. 457 Comment
  POM292910B  Gutierrezia californica Lyman Benson 1945-11-10 11911 Riverside 5 miles east of Temecula. 457 Comment
  UC53958  Gutierrezia sarothrae J. Vandeventer 1903-1-1 10 Riverside San Jacinto Mts. Comment
  UCR182439  Gutierrezia sarothrae Mitch Provance 2003-5-5 4425 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR141236  Haplopappus squarrosus A. C. Sanders, Mike Misenhelter 2004-10-6 28830 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR60270  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3133 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA0066614  Harpagonella palmeri D. L. Banks 1997-4-5 1680 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  RSA0066622  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  CAS-BOT-BC211540  Helianthemum scoparium John Thomas Howell 1931-5-30 6599 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  RSA597077  Helianthus annuus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1115 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 378 Comment
  SBBG60918  Helianthus californicus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  RSA741261  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UC1523682  Helianthus gracilentus Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60625 Riverside burned-over chaparral along Clinton Keith Road (near base of plateau); Santa Rosa Plateau 430 Comment
  CSUSB740  Heliotropium curassavicum Heather Hanson 1966-5-16 Riverside 50 yards east of where the Santa Ana River crosses Van Buren Blvd., in the river bottom. 182 Comment
  UCR278884  Heliotropium curassavicum Mitch Provance 2011-6-9 17195 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  SBBG63442  Heliotropium curassavicum var. oculatum M. N. Ackley 1928-3-31 61 Riverside near Mecca -60 Comment
  UC489018  Hemizonella minima C. V. Meyer 1929-6-16 761 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  UCR121173  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1879 Riverside Lake Skinner area, Tucalota Creek drainage, in the center of the Tucalota Hills. 5,500 ft. (~1 mi.) east of 'Old' Warren Road. 482 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR133665  Hemizonia fasciculata Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA885  Hemizonia kelloggii J. T. Howell 1928-7-8 1042 Riverside Near Glen Ivy. 396 Comment
  UCR125226  Hemizonia kelloggii Mitch Provance, Twoc Tran 1998-5-30 562 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR176181  Hemizonia kelloggii Amber Bruno 2005-6-7 53 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  RSA713780  Hemizonia mohavensis A. C. Sanders, S. D. Boyd, J. S. Ross, Mitch Provance 1998-10-25 22276 Riverside Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road. 1329 Comment
  RSA716381  Hemizonia mohavensis Scott D. White 2006-4-27 11300 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR132826  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22276 Riverside San Jacinto Mtns., Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road 1329 Comment
  SEINET1907236  Hemizonia paniculata Kent Beaman 1998-1 Riverside Peninsular Range; Gavilan Plateau: west of Perris off Elliss Rd., Santa Rosa Mine Rd, near Maywood Gun Club. 518 Comment
  UCR105991  Hemizonia paniculata D. L. Banks 1997-6-16 2061 Riverside NW Palomar Mtns., Agua Tibia Mtns: Pechanga Indian Reservation. On the south side of Pechanga Rd., c. 20 m west of the old schoolhouse 378 Comment
  UCR21142  Hemizonia paniculata 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
  UCR202221  Hemizonia pungens subsp. laevis Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  SD262308  Hesperolinon micranthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417 44 Riverside Perris-Aguanga Basin: Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln, 0.2 miles W of Murrieta Rd. (Romoland 7.5'Q) 518 Comment
  SDSU13044  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 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
  SD63342  Heuchera hirsutissima Walter Bertsch 1957-6-29 955 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  SEINET1915160 Image available Heuchera hirsutissima Mike Deslow, Firoozeh Navid-Ara, Valeria Soza 2003-7-15 1447 Riverside Peninsular Ranges, San Jacinto Mountains region, NE side of Tahquitz Peak on trail to Saddle Junction (Dan Jacinto Peak Quad) UTM zone 11 3735919 N, 530422 E 2637 Comment
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Sep 7 2013
  LA205887  Hibiscus denudatus Norman C. Cooper; 1944-4-8 1072 Riverside Andreas Canyon 304 Comment
  RSA444305  Hibiscus denudatus W. W. 1988-4-2 4217 Riverside Frontage Rd. off I 10, near pumping station in Pinkham Wash area. Comment
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Jul 24 2013
  SBBG71436  Hibiscus denudatus M. N. Ackley 1928-4-3 709 Riverside Clarys Cyn, Coral Reef Ranch 152 Comment
  UCR151099  Hieracium albiflorum Scott D. White, Julie Greene 1998-8-1 6971 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR84841  Hilaria rigida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16205 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  RSA644302  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Colorado Desert: Chuckwalla Valley, Ford Dry Lake, N of I-10 at Ford Dry Lk. Rd., near site of Hopkins Well 109 Comment
  UC570587  Hoffmannseggia glauca Frank W. Peirson 1935-4-17 11469 Riverside 9 mi s Blythe Comment
  CAS-BOT-BC207568  Hoffmannseggia microphylla B. D. Stark 1931-4-27 1091 -seed Riverside Hidden Springs Canyon, 8 1/2 miles from Mecca, Colorado Desert 6 Comment
  CLARK-A1528-2785  Hoffmannseggia microphylla John C. Roos 1949-3-19 4108 Riverside Mecca Comment
  LA45813  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  SBBG92826  Hoffmannseggia microphylla D. Charlton 1988-2-18 1134 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  SD146275  Hoffmannseggia microphylla A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23369 Riverside Coachella Valley, east side of Coachella Canal between I-10 & Ave. 52, east of Coachella (Thermal Casnyon 7.5' Q.); low area where water accumulates above the canal berm 24 Comment
  SEINET5554663  Hoffmannseggia microphylla R. H. Peebles, H. F. Loomis 1930-1 190 Riverside Near Shavers Well. Comment
  UCSB18783  Hoffmannseggia microphylla Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 32.2 miles W of Desert Center 304 Comment
  UCR18038  Holocarpha virgata subsp. elongata A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 139 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  RSA449814  Holodiscus microphyllus M. B. Dunkle 1933-7-21 3690 Riverside Tahlquitz Peak 2683 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
  UCR26284  Hordeum intercedens John C. Roos 1952-4-23 5571 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  CAS-BOT-BC285110  Hordeum marinum subsp. gussoneanum Philip A. Munz 1937-3-27 14936 Riverside Overflow from Lake Elsinore, Elsinore 304 Comment
  SD229153  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-27 802 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UCR253359  Hulsea vestita subsp. callicarpha Ana Hernandez, John Dvorak 2011-8-4 028 Riverside San Jacinto Mountains, west of Forest Route 4S02.3 (Azalea Trail), 0.5 km south of Dark Canyon Campground 1746 Comment
  CLARK-A1528-1959  Hymenoclea salsola John C. Roos 1947-2-15 3246 Riverside Eagle Mountains Comment
  RSA650972  Hymenoclea salsola D. Geisinger, E. Baldwin 1959-3-23 s.n. Riverside Palm Springs. Comment
  POM13022  Hymenolobus procumbens P. A. Munz 1922-4-29 5120 Riverside Lancaster Valley, s. of Hemet 457 Comment
  UCR34978  Hymenopappus filifolius var. lugens L. B. Ziegler 1968-5-21 298 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  POM12643  Hypericum androsaemum P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA314637  Hypochaeris glabra R. F. Thorne, Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55454 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR117718  Hypochaeris radicata Mitch Provance 1998-6-6 622 B Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  CAS-BOT-BC219760  Hyptis emoryi Marcus E. Jones 1926-1-21 s.n. Riverside Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC219773  Hyptis emoryi Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  CLARK-A1528-569  Hyptis emoryi John N. Bullock 1970-5-8 Riverside Box Canyon 256 Comment
  HSC100002  Hyptis emoryi J. P. Smith, & J. O. Sawyer 2009-11-30 12700 Riverside West of wash with palo verde tree. 638 Comment
  LA61608  Hyptis emoryi Nesta Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  RSA182080  Hyptis emoryi P. A. Munz 1932-3-14 11976 Riverside Palm Springs. 91 Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA420175  Hyptis emoryi E. Crow 1929-2-24 177 Riverside Andreas Mesa, SW Palm Springs. Colorado Desert. Comment
  UCD124928  Hyptis emoryi G. L. Webster; R. Hildreth 1966-12-9 7458 Riverside Joshua Tree National Monument. 0.3 mi NW Cholla Gardens. 853 Comment
  UCR109532  Hyptis emoryi R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  UCSB19490  Hyptis emoryi Shaw, Merrilee 1963-5-5 Riverside Just off California Highway 74, 5.7 miles NE of Pinyon Flats Campground 762 Comment
  SEINET10836949  Hyptis emoryi David B. Dunn 1948-1-25 Dunn 3633 Riverside Found near quad 6 on the berkeley campus. Pushawalla canyon, indio hills of the colorado desert; w of indio Comment
  UCD126499  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside northwest of Neighbors Blvd. and Ave. 22, 1.4 miles north of Ripley. Comment
  CDA34536  Isocoma acradenia Mike Lahti 2009-9-23 PDR# 1501827 Riverside Riverside 0 Comment
  RSA186222  Isocoma menziesii var. vernonioides L. B. Ziegler 1966-10-16 s.n. Riverside Soboba Indian Reservation, hills NW of San Jacinto, 549 Comment
  UC400191  Isomeris arborea Ynes Mexia 1929-2-16 2325 Riverside Palm Springs; Colorado Desert Comment
  RSA0035135  Isomeris arborea Lee Haines 1952-4-6 s.n. Riverside Box Canyon, HIghway 195. Comment
  POM4803  Iva axillaris subsp. robustior I. M. Johnston 1928-5-30 2014 Riverside Temescal Canyon. 366 Comment
  RSA0005613  Ivesia callida Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  UCR133319  Juglans californica John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR209200  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA0121457  Juncus acutus subsp. leopoldii Duncan S. Bell, LeRoy Gross 2016-3-30 9137 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  HSC87024  Juncus balticus subsp. ater L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  SD68946  Juncus bufonius Robert F. Thorne, E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37449 Riverside Santa Rosa Plateau, open dessicated mud at margin of vernal marsh, Mesa de Colorado. 671 Comment
  UCR116907  Juncus bufonius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23966 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR162937  Juncus bufonius Fred M. Roberts, D. E. Bramlet 2005-4-1 6150 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR171139  Juncus bufonius John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UCR182355  Juncus bufonius Mitch Provance 2005-5-17 6599 B Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR202056  Juncus bufonius Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  UCR21523  Juncus bufonius Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  RSA500554  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3594 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR9555  Juncus dubius Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns., Tahquitz Spring, Martinez Canyon. 793 Comment
  POM1626  Juncus effusus subsp. austrocalifornicus H. M. Hall 1897-8-11 831 Riverside In the vicinity of Strawberry Valley. 1646 Comment
  RSA368206  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  UCR201446  Juncus effusus var. exiguus Scott D. White, Justin M. Wood 2008-7-10 12451 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA368246  Juncus mexicanus M. B. Dunkle 1933-7-21 3720 Riverside Idyllwild 1616 Comment
  RSA500197  Juncus mexicanus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3547 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UC2029975  Juncus mexicanus Scott D. White, Tasha LaDoux 20 Apr 2000 7689 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  RSA770887  Juncus rugulosus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4590 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR70881  Juncus sphaerocarpus P. A. Munz 1922-5-5 5161 Riverside 0.5 mi north of March Field Comment
  RSA575885  Juncus textilis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, south flank of the range in upper Arroyo del Toro, Bull Canyon Road. Comment
  CHSC23887  Juncus tiehmii R. F. Thorne 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  SEINET10879492  Juncus xiphioides J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12833 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  POM250497  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  LA202780  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs 121 Comment
  RSA402303  Justicia californica Gale Sphon 1955-5-15 s.n. Riverside Dead Indian Canyon near Palm Springs. Comment
  RSA736987  Justicia californica Jim Andre, T. La Doux 2008-3-21 8828 Riverside JTNP: Upper Cottonwood Cyn, approx. 2 mi. S. of Cottonwood visitor s center. 881 Comment
  RSA73961  Justicia californica Alice Yates, Jas. E. Wilcox 1952-4-5 29 Riverside Between Box Canyon and Smoke Tree National Monument. 152 Comment
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May 20 2012
  UCD121643  Justicia californica L. S. Rose 1935-12-19 s.n. Riverside Colorado Desert, Palm Springs. 138 Comment
  UCR143425  Justicia californica Nesta Dunn, A. M. Martin 1932-3-26 s.n. Riverside Sonoran (Colorado) Desert, Shavers Well 305 Comment
  UCR251725  Kallstroemia californica Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 55 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  JEPS8740  Keckiella antirrhinoides W. L. Jepson 1901-5-17 1236 Riverside San Jacinto Lake 457 Comment
  POM4282  Keckiella antirrhinoides L. T. Street 1917-5-15 1932 Riverside Between Elsinore and Perris. Comment
  RSA298671  Keckiella antirrhinoides D. C. Michener 1982-5-5 4036 Riverside Northerly slopes along Temescal Canyonn Rd ca 1.1 miles southeast of Temescal Fire Station. Comment
  SEINET3079796 Image available Keckiella antirrhinoides Cindy Huebner 1988-4-17 8 -9 Riverside S of Riverside at Harford Springs County Park; Gavilan Road; 1 mi. E of Cajalco Road 732 Comment
  UCR252216  Keckiella antirrhinoides J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  CAS-BOT-BC236715  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  RSA757800  Keckiella antirrhinoides subsp. antirrhinoides LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4287 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
  RSA400443  Keckiella cordifolia E. S. Spalding 1925-6-11 s.n. Riverside Between Elsinore and Temecula. Comment
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Nov 17 2011
  RSA89026  Keckiella cordifolia M. Dillon 1954-6-15 s.n. Riverside Canyon near Glen Ivy Hot Springs Comment
  UCR2494  Koeleria macrantha F. M. Reed 1920-6-14 4432 Riverside San Jacinto Mtns., ridge 1 mile west of Idyllwild, Banning road 1677 Comment
  UC123725  Kopsiopsis strobilacea F. M. Reed 1908-7-14 2535 Riverside San Jacinto Mountains. South side of Tahquitz. 2133 Comment
  CAS-BOT-BC61435  Krameria bicolor Carl B. Wolf 1932-4-29 3099 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  CAS-BOT-BC43705  Krameria erecta Peter H. Raven 1958-5-18 12993 Riverside Along State Highway 74, 4.9 miles north--east of Pinon Flats, San Jacinto Mountains Comment
  CLARK-A1703-1201  Krameria grayi Charlotte Stocks 1962-5-21 Riverside San Jacinto Mountains Comment
  CLARK-A1528-4706  Lamarckia aurea John C. Roos 1952-4-2 5462 Riverside Box Springs Comment
  RSA500981  Lamarckia aurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3100 Riverside Vail Lake area, ridge-top 1 mile W of dam. 642 Comment
  RSA0074189  Lamium amplexicaule Justin M. Wood 2008-11-17 233 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM14062  Langloisia setosissima subsp. setosissima P. A. Munz, D. D. Keck 1922-4-9 4867 Riverside Palm Springs. 457 Comment
  RSA480076  Langloisia setosissima subsp. setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA77071  Langloisia setosissima subsp. setosissima F. W. Peirson 1921-4-11 4475 Riverside Deep Canyon Wash, south side of Coachella Valley 244 Comment
  UC648322  Langloisia setosissima subsp. setosissima Lewis S. Rose 1937-4-10 37159 Riverside 7 mi. e. Indio (Indio-Blythe Rd.) 38 Comment
  CDA43467  Laportea aestuans Chandler & Mellor 2015-11-13 PDR# 331 P06143073-2 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  JEPS83151  Larrea tridentata R. P. Allen 1935-3-22 188 Riverside Garnet Comment
  RSA390015  Larrea tridentata J. C. Roos 1948-5-8 3817 Riverside Whitewater. 549 Comment
  RSA623985  Larrea tridentata Carol Roush 1963-4-9 6 Riverside 6 mi. south of Palm Canyon Dr. on highway 74; N-E foothills of the San Janito Mts. 457 Comment
  RSA653221  Larrea tridentata John Wallace, Steve McNabb 1991-5-5 7 Riverside Colorado River. Approximately one mile south of Thompsons Camp. Comment
  RSA796103  Larrea tridentata Duncan S. Bell 2009-4-20 317 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR165829  Larrea tridentata 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
  SEINET10406508 Image available Larrea tridentata G. B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  SD186283  Lastarriaea coriacea T. B. Salvato, Melissa Clemons 2005-6-2 1332 Riverside Temescal Valley: Gavilan Hills, ca 0.5 mi SE of Steele Peak, 4 mi SW of Perris, and 6 mi NNE of Lake Elsinore, NW of Hwy 74 573 Comment
  HSC85280  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  CAS-BOT-BC353283  Lasthenia coronaria H. M. Hall 1903-3-1 3847 Riverside Reche Canon Comment
  RSA608200  Lasthenia coronaria R. S. Woglum 1938-5-1 1609 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  UCR213503  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37811 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA0013138  Lasthenia glabrata subsp. coulteri LeRoy Gross, Caitlin Elam 2013-5-14 6075 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., Started near 33.66575N, 116.66716W. 1332 Comment
  RSA556488  Lasthenia glabrata subsp. coulteri Julie Greene 1993-3-13 1058 Riverside On the berm between the western ponds 440 Comment
  UCR99330  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-11 2450 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, c. 762 m NE of Lakeview, 122 m east of Davis Road and 40 m north of Marvin Road 434 Comment
  PASA1563  Lasthenia glabrata var. coulteri Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 374 Comment
  UC30437  Lasthenia gracilis Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  UC62984  Lasthenia gracilis H. M. Hall 1902-4-18 2888 Riverside Coahuila mesa Coahuila Comment
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Jun 21 2011
  UC893758  Lasthenia gracilis P. A. Munz and I. M. Johnston 1922-5-20 5452 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1371 Comment
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Mar 24 2011
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR152628  Lasthenia gracilis A. C. Sanders 2005-4-22 29587 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR178279  Lasthenia gracilis T. B. Salvato, Tracy Tennant 1998-1 MOR- 803 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR851  Lasthenia gracilis Osman 1976-4-26 S-76- 2 Riverside Peninsular Range, Woodcrest, 4 - 5 mi west of Hwy 395 Fwy [now I-215], along Van Buren Blvd. and near March Air Force Base 274 Comment
  POM29619  Lathyrus Marcus E. Jones 1903-5-11 s,n, Riverside Banning. 701 Comment
  RSA34550  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-6-16 1432 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA606059  Lathyrus vestitus var. alefeldii R. S. Woglum 1937-5-22 586 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC379627  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles north of Elsinore Comment
  CAS-BOT-BC379673  Layia platyglossa H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mountains, Southern California; Johnsons 1676 Comment
  UCR100033  Layia platyglossa A. C. Sanders, G. Helmkamp 1997-3-15 19973 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR126984  Layia platyglossa A. C. Sanders, T. B. Salvato 2003-5-9 26585 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR250572  Layia platyglossa A. C. Sanders 2014-4-18 41035 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  RSA563927  Layia platyglossa subsp. platyglossa M. A. Patten 1993-3-20 s.n. Riverside SW edge of Hemet, vernal pools at the NW corner of Warren Rd. and Stetson Rd., adjacent to Ryan Field. 457 Comment
  SD181796  Lemna Scott D. White 2001-6-29 8626 A Riverside Menifee Valley: Ca. 1.4 miles southwest of the I215/Newport Road Interchange, northwest of the intersection of Holland Road and Bradley Road. 438 Comment
  CAS-BOT-BC534385  Lemna gibba R. F. Thorne; E. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA376132  Lemna minuta Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61204 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  SD248446  Leonotis nepetifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41433 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles E of Cabazon, c. 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 427 Comment
  UCR117383  Lepidium densiflorum A. C. Sanders, T. B. Salvato 2001-5-25 24390 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  RSA429905  Lepidium fremontii M. B. Dunkle 1934-3-31 4439 Riverside Pinto Basin, Colorado Desert 915 Comment
  RSA485839  Lepidium fremontii T. S. Elias 1988-2-26 10677 Riverside Joshua Tree National Monument, Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  RSA600181  Lepidium fremontii L. C. Wheeler 1959-12-27 7649 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  POM93923  Lepidium fremontii Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  CAS-BOT-BC89584  Lepidium lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mile below Cottonwood Spring. Comment
  POM118634  Lepidium lasiocarpum Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  POM6614  Lepidium lasiocarpum P. A. Munz, L. T. Street, Williams 1919-3-25 2315 Riverside Palm Canyon. 243 Comment
  RSA357784  Lepidium lasiocarpum R. F. Thorne 1973-3-30 42672 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA429925  Lepidium lasiocarpum Francis Fultz 17148 Riverside Colorado Desert. Comment
  UCR116931  Lepidium latipes A. C. Sanders, D. Malueg 2001-5-17 24363 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
  UCR173878  Lepidium nitidum Scott D. White, Michael Honer 2003-4-2 8919 Riverside Peninsular Ranges/Santa Ana Mtns, Temescal Canyon: Alberhill area N of the I-15 Fwy, on and near crest of unnamed mountain, '2349 716 Comment
  UCR281224  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317- 58 Riverside Temescal Valley, De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots 372 Comment
  UCR3284  Lepidium virginicum var. robinsonii T. R. Plumb 1964-2-23 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, small hill east of Sugarloaf 442 Comment
  POM34470  Lepidospartum squamatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA189412  Lepidospartum squamatum L. S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs. 198 Comment
  SD127552  Lepidospartum squamatum Reid Moran 1967-11-7 14647 Riverside 4 mi N of Palm Springs 299 Comment
  UC33118  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Riverside Comment
  SEINET10861664  Leptochloa fusca subsp. uninervia Paul M. Peterson 1989-9-22 Peterson 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. Mud flats surrounded by weedy vegetation in a fallow field. 500 Comment
  RSA152143  Leptosiphon ciliatus Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  RSA67071  Leptosiphon ciliatus Verne Grant, Alva Grant 1951-7-22 16106 Riverside Along road to Dark Canyon campsite, 0.25mi from main hwy, north of Idyllwild. 1707 Comment
  POM12125  Leptosiphon lemmonii Mary F. Spencer 1921-6-17 1658 Riverside Idyllwild. 1646 Comment
  POM364626  Leptosiphon lemmonii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SBBG101739  Leptosiphon liniflorus S. Boyd with D. Bramlet 1991-5-13 6253 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 548 Comment
  RSA482215  Lessingia glandulifera var. glandulifera Richard Noyes 1988-9-10 735 Riverside South ridge of Tahquitz Peak. Along road leading to trailhead. 1982 Comment
  UCR106355  Lessingia glandulifera var. glandulifera John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  OBI69966  Leymus condensatus L. LaPre 1988-6-3 s.n. Riverside Indian Trls project site, Indian Truck Trl exit on W side of I-15 fwy in Temescal Cyn, ca 1/4 mi from the fwy near the dirt rd Comment
  UC576340  Leymus condensatus H. S. Yates 1937-6-27 6712 Riverside Lower San Jacinto Canyon San Jacinto Quadrangle Comment
  UCR248027  Ligustrum O. F. Clarke 2011-5-2 s.n. Riverside Riverside, UCR Botanic Garden 412 Comment
  RSA234036  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39346 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  SD229046  Lilium parryi Dick Schwenkmeyer 2012-6-27 738 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA736765  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA543614  Linanthus androsaceus subsp. luteolus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6149 Riverside S side of Elsinore Peak. Comment
  CAS-BOT-BC225698  Linanthus californicus T. Craig 1927-4-23 207 Riverside Glen Ivy Comment
  RSA511356  Linanthus californicus B. Pitzer, E. Misquez 1988-3-20 667 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  UCR250857  Linanthus californicus Dick Newell, Judy Booth 2014-3-9 356 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, 0.34 mi. east of Ortega Hwy 865 Comment
  CLARK-A1528-3470  Linanthus dianthiflorus John C. Roos 1937-4-10 1392 Riverside Norco Comment
  UC907941  Linanthus dianthiflorus Victor Duran 1930-4-17 Riverside Sage Comment
  RSA487446  Linanthus dianthiflorus subsp. dianthiflorus Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA774311  Linanthus jonesii Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2190 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  SD231405  Linanthus jonesii J. Mark Porter, Sara DeGroot 2005-3-9 14247 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  UCR51953  Linanthus jonesii Steve Boyd, T. S. Ross, D. Nordin, L. Arnseth, Richard Noyes, S. Meury 1988-3-10 2174 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR133508  Linanthus lemmonii G. R. Ballmer 1998-4-18 s.n. Riverside San Jacinto Mtns. Foothills, Friendly Hills Ranch, SE of Hemet at end of Fairview Ave., near mouth of Bautista Canyon 854 Comment
  UCR193131  Linanthus lemmonii A. C. Sanders, Tim Thomas 2008-6-20 35531 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA559963  Linaria canadensis var. texana Steve D. Boyd, Orlando Mistretta 1992-4-23 7076 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area Western flank of Bluewater Canyon along Bluewater Trail between canyon bottom and southern end of Oak Flats. 488 Comment
  UCR281260  Linaria canadensis var. texana Mitch Provance, Jeremiah George 2017-3-21 317- 59 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  UCR97433  Linaria canadensis var. texana B. G. Pitzer 1997-3-4 2937 Riverside City of Riverside, vacant lot adjacent to (S of) St. George's Episcopal Church on corner of Watkins Dr. & Spruce St. 305 Comment
  RSA0010979  Lithophragma affine Scott D. White, Angelia Carey 2004-4-5 9990 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  CLARK-A1528-1115  Lobularia maritima Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  UCR183006  Loeflingia squarrosa Mitch Provance 2003-5-5 4403 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR260851  Loeflingia squarrosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41417 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
  JOTR37464  Loeseliastrum matthewsii Hodges, Stephen, T. Green 2016-5-5 586 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA562060  Loeseliastrum matthewsii Steve Boyd, C. Boyd, Kyle A. Boyd 1992-4-19 6923 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  SEINET3005058  Loeseliastrum matthewsii G. Rink 2011-4-29 10496 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR103306  Loeseliastrum matthewsii George K. Helmkamp 1998-4-4 3151 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA676084  Loeseliastrum schottii Scott D. White 2001-4-12 8315 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  CAS-BOT-BC342254  Logfia filaginoides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4044 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  JEPS20883  Logfia filaginoides W. L. Jepson 1935-4-17 19153 Riverside 1.5 mi in Elsinore 457 Comment
  JOTR34291  Logfia filaginoides Andre, Jim 2012-4-11 20700 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
  UC405425  Logfia filaginoides H. M. Hall 1906-7-2 Riverside Cabazon Comment
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Mar 13 2011
  RSA262067  Lolium perenne subsp. multiflorum E. W. Lathrop 1966-5-26 6342 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA595326  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1996-4-20 876 Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  POM47732  Lomatium dasycarpum subsp. dasycarpum J. B. Feudge 1924-3-22 556 Riverside Beaumont 762 Comment
  JEPS12323  Lomatium mohavense Marjorie D. Clary 1932-5-12 1643 Riverside Colorado Desert, Lost Horse Canyon 1371 Comment
  CAS-BOT-BC234888  Lonicera subspicata var. denudata Cecil Hart 1926-7-4 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC234892  Lonicera subspicata var. denudata Edmund C. Jaeger 1932-5-12 s.n. Riverside Cottonwood, near Hemet Comment
  HSC85284  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  UCSB26906  Lonicera subspicata var. denudata Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mountains Comment
  CLARK-A1528-384  Lonicera subspicata var. johnstonii Charlotte Stocks 1962-5-16 Riverside Bautista Canyon Comment
  UCR237697  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4508 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  CLARK-A1045-81  Lotus argyraeus George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
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Jan 3 2018
  UCR9383  Lotus grandiflorus D. H. Wilken 1965-6-29 367 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  POM226886  Lotus hamatus L. R. Abrams 1935-4-7 13677 Riverside 2 mile SW of Perris. Comment
  UCR48400  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR60258  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3181 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  IRVC26821  Lotus haydonii B. C. Templeton, I. W. Clokey 1930-4-9 1011 Riverside North of Palm Springs Colorado Desert 122 Comment
  UCR116796  Lotus heermannii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24150 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  POM12874  Lotus nevadensis var. nevadensis P. A. Munz 1922-7-6 6017 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA406174  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-19 3668 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UC454104  Lotus oblongifolius var. oblongifolius I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
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Apr 7 2008
  SEINET10484462  Lotus rigidus A. Evans 1976-4-13 Evans 5156 Riverside Desert canyons of santa rosa mtns. Comment
  UCR157958  Lotus salsuginosus var. brevivexillus T. B. Salvato, A. C. Sanders 2005-5-17 908 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CSUSB1625  Lotus scoparius Richard L. Irwin 1962-4-24 0054 Riverside Box Springs Mountains In mouth of canyon on Box Springs Mountains, by railroad, east of UCR (University of California Riverside) and shortly north of Big "C" 380 Comment
  VVC2873  Lotus scoparius Tim Thomas, P. J. MacKay 2010-4-12 5030 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR250864  Lotus scoparius subsp. scoparius Dick Newell, Judy Booth 2014-1-12 349 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, Cleveland National Forest, 100 yards west of Decker Caanyon Rd. 874 Comment
  RSA522736  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3842 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
  RSA796333  Lotus strigosus Duncan S. Bell 2009-4-18 201 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR101791  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR133983  Lotus strigosus Mitch Provance, J. S. Ross 1998-3-27 MOR- 973 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UCR16275  Lotus strigosus Steven Wickler 1974-4-21 004 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  UCR238485  Lotus strigosus Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCR165809  Lotus strigosus var. tomentellus 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
  UCR167273  Lotus strigosus var. tomentellus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR279350  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-23 42939 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  UCR72165  Lotus tomentellus Theo Glenn 1991-5-15 91- 44 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UCR74371  Lotus tomentellus Theo Glenn 1991-5-2 91- 14 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  POM1928  Lotus wrangelianus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA360989  Lotus wrangelianus Steve Boyd 1986-4-2 1586 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  CLARK-A1528-667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  RSA736657  Ludwigia peploides Justin M. Wood 2008-7-16 29 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UC130312  Lupinus H. M. Hall 1899-5-20 1376 Riverside Moreno Comment
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Mar 20 2011
  RSA769615  Lupinus albifrons var. eminens E. W. Lathrop 1974-6-4 7404 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  CHSC108499  Lupinus arizonicus Naomi Fraga; Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert; Northeastern colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy. 177. 365 Comment
  JOTR36470  Lupinus arizonicus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3439 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA48410  Lupinus arizonicus E. K. Balls 1949-4-2 12895 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
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Jun 24 2012
  RSA704589  Lupinus arizonicus LeRoy Gross 2005-3-3 1588 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG25102  Lupinus arizonicus D. Myrick 1966-4-2 1335 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  SEINET6180888  Lupinus arizonicus D. W. McNeal 1980-4-18 2305 Riverside Beside Hwy. #195 in Mecca Canyon, 9.6 mi. sw. of the jct. of Interstate #10.; 0 Comment
  UCR142844  Lupinus arizonicus I. M. Johnston 1917-4-4 s.n. Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR148302  Lupinus arizonicus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR25912  Lupinus arizonicus John C. Roos 1948-5-15 3847 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  RSA614536  Lupinus bicolor A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20687 Riverside N side of the range, Twin Pines Creek below the confluence with Brown Creek. below the confluence with Brown Creek. 854 Comment
  RSA787061  Lupinus bicolor Robert F. Thorne 1973-5-23 43856 Riverside Santa Rosa Plateau- Mesa De Colorado, grasslands near vernal marsh 610 Comment
  UCR122536  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2001-5-20 6662 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR178004  Lupinus bicolor S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA0122710  Lupinus concinnus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9054 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
  SD73601  Lupinus concinnus Helen V. Witham 1970-4-29 814 Riverside Highway 74, 1.0 mile west of Lake Hemet. 1200 Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  UC668380  Lupinus concinnus Annie M. Alexander and Louise Kellogg 1941-5-6 2127 Riverside 13 mi sw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  POM123545  Lupinus concinnus subsp. optatus Philip A. Munz 1924-5-18 8140 Riverside 18 miles outh of Banning, San jacinto Mts. 1524 Comment
  SEINET10484020  Lupinus excubitus subsp. austromontanus Emmel 1974-6-23 EMMEL 507 Riverside Sw end of south ridge, along may valley of sec 19, t5s, r3e. 1756 Comment
  UCR78450  Lupinus excubitus var. hallii Scott D. White 1993-4-22 1246 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA34554  Lupinus formosus N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA430285  Lupinus formosus David B. Dunn, Conrad, Kenney 1973-6-15 20769 Riverside Jct of Hwy 74 and 71, A Gas Station on the SW corner. 1433 Comment
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May 24 2012
  SEINET10543985  Lupinus formosus David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20769 Riverside Coll at the jct of hwy 74 and 71. A gas station on the sw corner. Area generally chaparral with shaggy adenostema. 1433 Comment
  CLARK-A1703-22  Lupinus hirsutissimus Mike Cline 1967-3-30 Riverside Box Springs Mountains Comment
  RSA613661  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1459 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
  UCR127345  Lupinus hirsutissimus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR224434  Lupinus hyacinthinus Scott D. White, Justin M. Wood 2009-5-22 12902 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR16237  Lupinus microcarpus Robert Eaton 1968-5-13 680513- 20 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  SEINET7062849 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon Road. UTM Zone 11, 473624mE, 3725049mN. (WGS84/NAD83). 472 Comment
  UC1228585  Lupinus sparsiflorus C. L. Hitchcock and C. V. Muhlick 1962-3-16 22153 Riverside ca 12 mi se Corona (Temescal Canyon); Temescal Canyon Comment
  UC1537124  Lupinus sparsiflorus Gordon H. True Jr. 1935-4-1 194 Riverside Box Springs 426 Comment
  UCSB3377  Lupinus sparsiflorus Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road; San Jacinto Mt. Range; Colorado Desert drainage area 563 Comment
  SBBG47524  Lupinus succulentus M. B. Dunkle 1934-3-18 3863 Riverside Moreno 487 Comment
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Nov 30 2016
  SEINET2062675 Image available Lupinus succulentus Ed LaRue 1989-4-21 Riverside Moreno Valley, University of California Riverside agricultural experimental farms, ca 1/2 mi S. of Alessandro Blvd, at NE corner of Cactus Ave. & Nason St. Comment
  UCR62328  Lupinus truncatus Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  CAS-BOT-BC231422  Lycium andersonii I. M. Johnston 1918-5-30 2028 Riverside Elsinore 365 Comment
  POM251786  Lycium andersonii J. C. Roos 1938-4-27 19 Riverside Hill west of Arlington. Comment
  RSA0126632  Lycium andersonii Duncan S. Bell 2016-3-4 8805 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCR260221  Lycium andersonii A. C. Sanders, Jim Malusa 2015-3-9 41365 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  RSA1922  Lycium andersonii var. deserticola B. D. Stark 1930-3-17 s.n. Riverside Mockingbird Canyon Dam Comment
  RSA435266  Lythrum californicum H. de Forest 1932-8-28 s.n. Riverside 1st Spring from San Jacinto. Comment
  RSA535484  Lythrum californicum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6632 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR89978  Lythrum californicum 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
  RSA708240  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR133393  Madia gracilis Tracy Tennant, T. B. Salvato 1998-6-23 480 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  RSA0087581  Malacothamnus fasciculatus P. A. Munz 1946-10-19 11570 Riverside 3 miles east of Anza 1220 Comment
  SEINET3001927 Image available Malacothamnus fasciculatus subsp. laxiflorus John Minnich 1964-1 64- 2 -27-2 Riverside ''Two Trees Canyon,'' at end of Two Trees Road, near the east end of Blaine St., Riverside Comment
  UC218096  Malacothrix clevelandii P. A. Munz and I. M. Johnston 1922-5-19 5347 Riverside 5 mi ne Murietta 457 Comment
  UC33275  Malacothrix clevelandii H. M. Hall May 17 1901-Jun 1 1901 1817 Riverside San Jacinto River Canyon 1158 Comment
  CAS-BOT-BC347696  Malacothrix glabrata Paul F. Covel 1938-4-21 1185 Riverside Just east Banning Comment
  RSA613903  Malacothrix glabrata A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20642 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA778241  Malacothrix glabrata Duncan S. Bell 2009-3-8 46 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC55144  Malacothrix glabrata F. Gilman 1902-1 41 Riverside Palm Springs Comment
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Jul 6 2010
  UCR279578  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-28 43155 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  SD185106  Malosma laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Temescal Valley, 3.0 miles northwest of Alberhill. 353 Comment
  UCR278868  Malvella leprosa Mitch Provance 2011-6-9 17196 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA772015  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4955 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
  CLARK-A1703-1199  Marina orcuttii Robin L. Kobaly 1977-3-31 Riverside Santa Rosa Mountains 1402 Comment
  RSA600125  Marina parryi L. C. Wheeler 1959-12-27 7641 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA607361  Marina parryi R. S. Woglum 1939-4-11 2223 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  RSA699192  Marina parryi J. R. Bruff 1928-4-5 205 Riverside Between Wiley Well and Beals Well. Comment
  UCR102813  Marrubium vulgare A. C. Sanders 1997-3-19 20056 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  RSA191442  Marsilea vestita E. W. Lathrop, Thorne 1967-9-26 6631 Riverside 6 miles NW of Murrieta. Comment
  UCR240042 Image available Matelea parvifolia A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 8.9 km SE of Gasline Rd. at narrow wash crossing 701 Comment
  SEINET2053698 Image available Matricaria matricarioides Penny Stead 1970-5-5 Riverside Roadside near Fawcett Lab, University of California, Riverside 274 Comment
  UCR228922  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-3-28 38817 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
  UCR278833  Medicago lupulina Mitch Provance 2012-7-17 17644 Riverside Beaumont Plateau, W end of Banning, 400 ft. SW of W Ramsey St. and Roberg Ave., area of fence line dividing I-10 and parking lot. 744 Comment
  UCR156284  Medicago polymorpha T. B. Salvato, Kent Beaman 2005-5-16 858 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CLARK-A1656-840  Medicago sativa Jon Mark Stewart 1983-10-24 83-45 Riverside Palm Desert 60 Comment
  CLARK-A1528-4725  Melica frutescens John C. Roos 1937-4-18 1360 Riverside San Jacinto Mountains Comment
  RSA660487  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA700093  Melica frutescens Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management. Accessed from Wilson Valley Road. Comment
  UCR214012  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37796 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
  CLARK-A1528-5187  Melica imperfecta John C. Roos 1950-4-29 4772 Riverside Box Springs Mountains 609 Comment
  RSA528073  Melica imperfecta Scott D. White 1991-4-10 91 -47 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  SEINET7073348  Melica imperfecta A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  SEINET7097940  Melica imperfecta A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UC38844  Melica imperfecta H. M. Hall May 1899 1134 a Riverside s side San Jacinto Mountains 1371 Comment
  UCD87744  Melica imperfecta A. A. Beetle 1944-4-27 3007 Riverside West of Murietta. Comment
  UCR104594  Melica imperfecta G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  UCR231734  Melica imperfecta John F. Green 2008-4-23 08- 10 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR270304  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8370 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  POM348169  Melilotus albus E. Crow 1929-2-22 168 Riverside Border of Santa Ana Mts. S of Corona Comment
  RSA69819  Mentha aquatica J. C. Roos 1951-9-25 5289 Riverside West end Fairmount Park 259 Comment
  CLARK-A1528-3103  Mentha spicata John C. Roos 1952-8-6 5881 Riverside Fairmont Park 259 Comment
  UC1931066  Mentha spicata Scott D. White, Justin Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR265600  Mentzelia Jordan Zylstra 2014-3-18 14002 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  SD215572  Mentzelia affinis Steve Boyd, Dave Bramlet 1991-5-13 6257 Riverside Domenigoni Hills, north side of Domenigoni Diamond Valleys, eastsoutheast of Winchester. 1800 Comment
  RSA676039  Mentzelia involucrata Scott D. White 2001-4-11 8289 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  RSA795936  Mentzelia involucrata Duncan S. Bell 2009-4-19 260 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET3094591 Image available Mentzelia involucrata Norman C. Cooper 1949-4-8 3249 Riverside Mecca Pass E of Indio. 457 Comment
  SFV5018  Mentzelia involucrata var. megalantha F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  POM14202  Mentzelia jonesii P. A. Munz, D. D. Keck 1922-4-13 4955 Riverside Eagle Mountains. 244 Comment
  UCR166209  Mentzelia jonesii A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al 1995-3-5 15994 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA556457  Mesembryanthemum nodiflorum Julie Greene 1993-4-30 1261 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  UCR85581  Microseris campestris Julie A. Greene 1993-4-30 1289 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  CAS-BOT-BC348846  Microseris douglasii subsp. douglasii S. B. Parish 1914-3-24 9079 Riverside Perris Comment
  RSA556440  Microseris douglasii subsp. douglasii Julie Greene 1993-4-17 1203 Riverside San Jacinto Wildlife Area. W of San Jacinto River, W of Davis Rd. 439 Comment
  UCR77588  Microseris douglasii subsp. douglasii Steve Boyd, L. Arnseth, O. Mistretta 1991-5-6 6145 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR266310  Microseris douglasii subsp. platycarpha D. E. Bramlet 1991-4-29 2077 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR102878B  Microseris heterocarpa A. C. Sanders 1997-3-26 20131 B Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR21903  Microseris heterocarpa Steve Boyd 1980-5-5 204 A Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR214574  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37855 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR84878  Microseris lindleyi A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16123 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA587176  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  RSA271860  Mimulus aurantiacus var. pubescens C. W. Tilforth 1978-4-30 1566 Riverside Low rounded hills east of Norco. Comment
  UCR234758  Mimulus aurantiacus var. pubescens A. C. Sanders, John F. Green 2012-6-25 40313 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
  POM267767  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade. 610 Comment
  UC943922  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR251705  Mimulus aurantiacus var. puniceus T. B. Salvato, Mike Landers 2013-3-21 7412 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  UCR101595  Mimulus bigelovii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR72232  Mimulus bigelovii Theo Glenn 1991-5-24 91- 130 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  RSA535794  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 ESE of I-10 interchange at Desert Center along dirt road parallel to I-20 (S side of freeway), not far beyond, E of the Desert Center Pumping Station. 82 Comment
  UCR162767  Mimulus brevipes S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR189586  Mimulus clevelandii Carlos Navarro 2006-6-22 106 Riverside Cleveland National Forest off Indian Truck Trail c. 0.2 mi north of San Diego County border and 1.5 mi east of Santiago Peak lookout 1137 Comment
  UCR48346  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  NY90708  Mimulus diffusus W. L. Jepson 1961-5-29 1959 Riverside Palomar Comment
  RSA430185  Mimulus diffusus N. C. Cooper 1949-6-10 1224 Riverside West side 915 Comment
  UCR202241  Mimulus diffusus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR217568  Mimulus diffusus Jeff B. Galvin 2009-4-21 87 Riverside Peninsular Ranges, Lake Skinner Multi-Species Reserve, South of Tucalota Creek, just east of the equestrian trail 471 Comment
  UCR151205  Mimulus floribundus Scott D. White 1999-6-6 7441 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  RSA0054839  Mimulus floribundus Keith E. Hoffmaster 1933-4-14 526 Riverside Tahquitz Canyon. Comment
  LA209474  Mimulus fremontii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  OBI35634  Mimulus guttatus Norman C. Cooper 1944-5-6 1211 Riverside Whitewater Cyn 457 Comment
  UC56259  Mimulus guttatus H. M. Hall 1902-4-23 2957 Riverside vicinity Riverside; Santa Ana River 228 Comment
  UCR4094  Mimulus palmeri Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns, c. 3 mi from Mountain Center on highway down to Hemet, on rise across highway from marked turnout on right side (facing downhill) 1098 Comment
  JOTR34166  Mimulus parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  RSA752135  Mimulus pilosus Justin M. Wood, Brandy Wood 2009-7-4 1039 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  CLARK-A1656-685  Mirabilis bigelovii var. retrorsa Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  SEINET11941952  Mirabilis californica H. M. Hall 1903-1 3807 Riverside Vicinity of Riverside, in the Sonoran Zone 610 Comment
  UCR163426  Mirabilis laevis B. G. Pitzer 1998-1-25 3428 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  SD137714  Mirabilis laevis var. crassifolia Darin L. Banks, Steve Boyd 1995-5-3 274 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD1506  Mirabilis laevis var. crassifolia E. Jaeger 1925-12-12 Riverside Eagle Canyon, 4.5 miles east of Palm Sprins. Comment
  RSA27931  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  HSC83099  Mirabilis laevis var. villosa A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6056 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns., on Bradshaw Rd., 2 mi. E of gasline road 642 Comment
  UCR154457  Mirabilis multiflora Jason L. Hlebakos 2005-5-30 807 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  RSA0014784  Mirabilis multiflora var. pubescens C. M. Dammers 1929-10-29 s.n. Riverside Miser [?] Valley near Aguanga in a river wash in quantity in full flower and again a few plants at Anza Monument near Anza. Comment
  UC673535  Mohavea confertiflora H. L. Mason 1928-3-10 4209 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  SD233870  Monardella A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24608 Riverside Mojave Desert, Little San Bernardino Mtns: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airlilne) SW from park road in Lost Horse Valley. 1341 Comment
  UCR193864  Monardella breweri subsp. lanceolata A. C. Sanders, Mitch Provance 2008-7-11 35817 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
  RSA768324  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turnoff to Anza Tablet. After crossing narrow valley, passing ranch house, crossing sluggish stream, and going through second gate. Comment
  UCR221487  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 076 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  SEINET3996321 Image available Monardella nana subsp. tenuiflora Helen K. Sharsmith 1954-7-7 4444 Riverside San Bernardino National Forest; between Fuller Creek and Idlewild, on FS road to Black Mountain ca 1 mile from highway 1981 Comment
  UC25479  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-22 725 Riverside Tahquitz Valley San Jacinto Mountains; Tahquitz Valley, San Jacinto Mts., Riverside 2438 Comment
  SBBG15883  Monoptilon bellioides R. Gunnerson 1953-3-21 130 Riverside ca. 9 mi E of Indio Comment
  UCR147839  Monoptilon bellioides Steve Boyd, Et al. 2004-5-14 11285 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR16702  Monoptilon bellioides D. H. Wilken 1966-3-26 775 Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon near Cabazon 610 Comment
  RSA191455  Muhlenbergia asperifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6621 Riverside 6 miles NW of Murrieta., 1 mi W of Santa Rosa Ranch. Comment
  UCR25388  Muhlenbergia californica John C. Roos 1937-8-23 467 Riverside San Jacinto Mtns, north base of Mt. San Jacinto, Snow Creek 762 Comment
  CAS-BOT-BC275253  Muhlenbergia microsperma Steve Boyd; et al. 1990-4-3 4101 Riverside Vail Lake Area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain, just S of the E summit 701 Comment
  RSA605174  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. J. MacKay, et al. 1995-3-19 16182 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  UCR181625  Muhlenbergia microsperma Mitch Provance 2004-5-1 7604 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  POM1102  Muhlenbergia richardsonis H. M. Hall 1901-06 2428 Riverside Tauquitz Valley 2805 Comment
  JEPS62068  Muilla maritima W. L. Jepson 1901-5-20 1325 Riverside Thomas Valley Comment
Read comments
Feb 16 2013
  RSA543161  Muilla maritima Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6091 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  PASA2572  Myosurus minimus Frank W. Peirson 1922-4-29 2945 Riverside Lake Elsinore Comment
  UCR114958  Myosurus minimus subsp. apus Fred M. Roberts 1992-4-25 4872 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR83570  Myosurus minimus subsp. apus Scott D. White 1993-3-12 1142 Riverside San Jacinto Valley, between aqueduct and Warren Rd. 457 Comment
  SBBG6119  Nama demissa K. K. Muller 1952-4-6 562 Riverside S entrance to Joshua Tree Nat Monument Comment
  UCR169920  Nama demissa Scott D. White, Jennifer H. Jones 2005-4-21 10945 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UC1426624  Nama demissa var. demissa Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6485 Riverside near Interstate 10 24 mi e of Indio (at s entrance to Joshua Tree National Monument); Joshua Tree National Monument 548 Comment
  UCR167391  Nama hispida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR232519  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7862 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.9 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 6.5 km N of Blythe Airport. 131 Comment
  UCD88096  Nassella cernua Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Riverside. South Banning, road to Palm Springs. Comment
  RSA595272  Nassella lepida D. L. Banks, Victor Steinmann 1996-4-20 900 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 512 Comment
  CLARK-A1045-312  Navarretia atractyloides George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains near south southeast of Mesa de Burro; vernal pool; Murrieta 7.5' Q Comment
  RSA709865  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Santa Ana Mountains: Rainbow area; mountain foothills west of I-15 Freeway and immediately N of San Diego County line. 335 Comment
  SBBG54315  Navarretia intertexta C. Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA468367  Navarretia prostrata Robert Gustafson, Gary D. Wallace 1983-6-23 2712 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  POM316395  Nemacladus glanduliferus var. glanduliferus P. A. Munz, D. D. Keck 1922-4-9 4824 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  SEINET10840560  Nemacladus longiflorus Samuel B. Parish Parish 1628 Riverside San Jaciento Mountains Comment
  JEPS5412  Nemacladus longiflorus var. longiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 A Riverside Temecula River; sw Riverside County Comment
  RSA439283  Nemacladus pinnatifidus J. D. Olmsted 1962-5-10 3644 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  SEINET10461023  Nemacladus pinnatifidus Piehl 1963-6-2 PIEHL 63547 Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  UCR25922  Nemacladus ramosissimus John C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  RSA659376  Nemophila menziesii Lydia Paneri 1982-4-17 48 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  UC1537400  Nemophila menziesii Gordon H. True Jr. 1935-3-1 28 Riverside Box Springs 365 Comment
  RSA717582  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  JOTR32184  Nicolletia occidentalis Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  UCR119803  Nicotiana attenuata A. C. Sanders, Mitch Provance 1999-9-26 23093 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  CLARK-A1528-884  Nicotiana bigelovii C. M. Flanagan 1973-5-22 OO 903 Riverside Rubidoux 228 Comment
  CSUSB759  Nicotiana glauca I. Rauch 1968-3-23 Riverside Box Springs Mountains Box Springs Mountains Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR2978  Nicotiana glauca Wm. Horn Jr. 1963-3-11 630311- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, University of California campus, 50 yards north of Student Health Center 305 Comment
  RSA0042856  Nicotiana obtusifolia Duncan S. Bell, LeRoy Gross 2014-3-20 6272 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC1922385  Nicotiana obtusifolia Michael Honer with L. Hulse 2004-4-2 1875 Riverside Colorado Desert; Little San Bernardino Mountains Region: Blind Canyon; approx. 1/2 mi N of Desert Hot Springs. Comment
  VVC694  Nicotiana obtusifolia P. J. MacKay, T. Thomas 1997-2-8 101 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  CLARK-A1045-307  Nicotiana trigonophylla George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  RSA5582  Nolina bigelovii Carl B. Wolf 1932-10-13 4315 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  RSA648734  Nolina bigelovii J. C. Roos 1948-5-15 3852 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  CAS-BOT-BC131882  Nolina parryi Peter H. Raven 1959-5-18 14246 Riverside 0.9 miles south of Mountain Center on road to Aguanga, San Jacinto Mountains Comment
  SD142035  Nolina parryi James C. Dice 1985-6-13 617 Riverside SE portion of Thomas Mtn., ca. 4 km S of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  UCR90179  Notholaena californica A. C. Sanders, C. L. Sanders, O. F. Clarke, P. J. MacKay, S. D. White 1994-11-27 15869 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
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Jun 19 2018
  POM886  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  RSA0034828  Oenothera bistorta var. hallii Norman C. Cooper 1944-3-24 2001 Riverside Banning. 701 Comment
  IRVC26251  Oenothera californica A. C. Sanders, D. Malueg 2003-5-8 26562 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  UCR262447  Oenothera californica John F. Green 2015-6-23 615- 01 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  UC1093119  Oenothera californica subsp. californica Richard Snow 1957-4-1 318 Riverside 11 mi w of Riverside (on Highway 60) Comment
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Mar 23 2014
  UCR85080  Oenothera deltoides A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16033 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA0128174  Oenothera deltoides G. Rink 2013-3-20 11896 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UC68570  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5768 Riverside Bradley Canyon Colorado Desert 91 Comment
  RSA399181  Oligomeris linifolia Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside 20 miles East of Indio. Comment
  SD143540  Oligomeris linifolia R. D. Goeden, D. W. Ricker 1979-3-29 Riverside Coachella Valley: Indio, Monroa St. -6 Comment
  CAS-BOT-BC383075  Oncosiphon piluliferum R. E. Riefner, Jr. 2014-6-1 14 -141 Riverside Northeast of Norco, E of Eastvale, Community of La Sierra, Hidden Valley Wildlife Area, Santa Ana River Trail, ca. 0.6 mi N of Arlington Ave. 205 Comment
  UCR240170  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12- 63 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  RSA500567  Opuntia basilaris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3852 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  JOTR35053  Opuntia basilaris var. basilaris La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3505 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  LA204498  Opuntia engelmannii var. engelmannii F. R. Fosberg; 1932-7-12 8607 Riverside Mission Creek Comment
  RSA381559  Opuntia leucotricha A. C. Sanders, M. Bogen 1987-5-28 7105 -B Riverside Riverside; a roadside waif on fill along van Buren Blvd. Near the bridge over the Santa Ana River. at Riverside sewer plant. 244 Comment
  UCR119405  Opuntia microdasys Mitch Provance 1998-6-24 756 A Riverside Jurupa Mountains, Glen Avon Heights, property north of the end of Flemming St., and just south of the Glen Avon Quarry. 259 Comment
  POM305019  Opuntia parryi Lyman Benson 1962-2-17 16142 Riverside 4 miles northeast of Aguanga. 915 Comment
  POM306805  Opuntia parryi David Griffiths 1911-1 10397 Riverside Banning region of California Comment
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Apr 5 2007
  RSA592690  Opuntia polyacantha var. erinacea Scott D. White, Duayne Haselfeld 1996-7-2 4274 -A Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA9815  Opuntia polyacantha var. erinacea B. D. Stark 1931-8-28 2447 Riverside San Jacinto Mountains. 3 miles N of forks in road to Santa Rosa and Aguanga. 1524 Comment
  SEINET4080621  Orcuttia californica L. M. Boykin, P. M. Hall 2001-1 Riverside Comment
  SEINET13948674 Image available Origanum vulgare A. C. Sanders 2002-1 25068 Riverside San Bernardino/Santa Ana River Valley Region: Riverside cultivated plants in yard at 422 Campus View Dr. Riverside East 7.5' Q.: 33 deg. 58.5' N, 117 deg. 19' W. T2S R4W SEC 20, S/2. Alt 341 m/1120 ft. 341 Comment
  CHSC1168  Orobanche cooperi V. Holt 1942-3-27 Riverside Indio. 0 Comment
  JEPS85944  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  SBBG7245  Orobanche cooperi H. and M. Dearing 1942-4-4 4864 Riverside S of Vidal Comment
  UCR21126  Orobanche parishii subsp. parishii A. C. Sanders, K. Berg 1979-10-27 946 Riverside San Jacinto Mtns., James Reserve along a trail near the weather station 1646 Comment
  RSA356711  Orthocarpus purpurascens Robert F. Thorne, E. W. Lathrop 1975-5-20 45511 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  POM12423A  Osmorhiza berteroi P. A. Munz 1922-9-6 6371 Riverside Round Valley, San Jacinto Mountains. 2713 Comment
  UCR27150  Oxytheca emarginata T. P. Krantz 1982-5-19 s.n. Riverside San Jacinto Mtns., Garner Valley Ranch 1372 Comment
  UCR3585B  Oxytheca emarginata L. B. Ziegler 1964-7-10 640710- 001 Riverside San Jacinto Mtns., Garner Valley, 2 mi. northeast of Kenworthy Ranger Station Comment
  CHSC35506  Paeonia californica Donna Panico 1972-4-30 33 Riverside 3 mi. SW of Washington Rd. on Tenaja Rd. in Cleveland Nat'l Forest. 548 Comment
  UC511258  Paeonia californica Lyman Benson 1932-3-26 3178 Riverside Temecula Grade Temecula Valley Watershed 548 Comment
  UCR138812  Paeonia californica D. L. Banks, J. Moreno 1997-2-5 1260 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  CLARK-A1528-691  Paeonia californica Sue Freeman 1967-2-19 Riverside 914 Comment
  UCR104807  Palafoxia arida George K. Helmkamp, E. A. Helmkamp 1998-2-18 2711 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA363739  Palafoxia arida var. arida Geo Cantwell, B. C. Templeton 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  SBBG89156  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside across from street from 1012 Spruce St., Riverside 304 Comment
  JOTR36115  Panicum hirticaule subsp. hirticaule La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3116 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  UCR1556  Parietaria hespera var. californica David L. Davis 1962-4-15 27 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  RSA448023  Parietaria hespera var. hespera J. Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of the Orocopia Mts. in a small canyon and wash almost due south of Oro Peak. Comment
  UCR113896  Parietaria hespera var. hespera Mitch Provance 1998-4-14 439 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  RSA0068128  Parkinsonia florida Cheryl Sevilla, Sarah J. De Groot, Forrest Freund 2015-4-1 72 Riverside Sonoran Desert; Coachella Valley; Santa Rosa Mountains; south of La Quinta; north of Devil Canyon; 2.5 miles west of Lake Cahuilla. 136 Comment
  RSA0098482  Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8 km east of Banning, 30 km WNW of Palm Springs, 4 km WNW of Cabazon. 646 Comment
  UCR33888  Parthenium incanum A. C. Sanders 1982-9-24 2965 Riverside City of Riverside, Univ. of Calif. experimental fields Comment
  RSA192081  Paspalum dilatatum E. W. Lathrop 1965-9-22 6022 Riverside 8 miles west of Murrieta. Comment
  RSA179519  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside 10 miles W of Murrieta. Comment
  UCR22188  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  RSA264425  Paspalum notatum var. saurae C. W. Tilforth 1976-9-19 1224 Riverside 317 Swan Lake Mobile Home Park, Mira Loma; 10 miles N of Corona Comment
  SEINET3102119  Pectis papposa Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17460 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  UCR58874  Pectis papposa J. M. Stewart 1989-10-17 619 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  UCR127352  Pectocarya anisocarpa A. C. Sanders, D. Malueg 2003-5-8 26575 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
  CLARK-A1656-709  Pectocarya heterocarpa Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  POM118683  Pectocarya heterocarpa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SD28017  Pectocarya heterocarpa Carl B. Wolf 1932-4-27 3041 Riverside Colorado Desert, Mecca to Blythe Road, 3/4 mile west of Utopia 149 Comment
  UC494839  Pectocarya heterocarpa Philip A. Munz 1932-3-14 11993 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  UCR272257  Pectocarya heterocarpa Duncan S. Bell, Thomas R. Stoughton 2010-3-19 578 Riverside Mojave Desert, west side of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.5 air miles west of Priest Well 418 Comment
  UCR89890  Pectocarya heterocarpa A. C. Sanders, E. J. Lawlor 1992-4-4 12117 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR140327  Pectocarya linearis A. C. Sanders, Guy Bruyea 2004-4-2 27417 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCD120125  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-16 24180 Riverside 0.25 mile west of Aguanga. Comment
  SEINET7063223  Pectocarya penicillata A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR241848  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-5 40778 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  POM368742  Pectocarya platycarpa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR224251  Pectocarya recurvata A. C. Sanders 2011-3-23 38804 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  POM13012  Pectocarya setosa P. A. Munz, I. M. Johnston 1922-5-19 5440 Riverside Garner Ranch, Hemet Valley in San Jacinto Mountains. 1372 Comment
  RSA27347  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR249920  Pectocarya setosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  CAS-BOT-BC133212  Pellaea andromedifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns.: Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR41326  Pellaea andromedifolia N. M. Fellows, A. C. Sanders 1985-4-9 152 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  SEINET9628401 Image available Pellaea andromedifolia E. K. Balls, P. C. Everett 1957-11-13 22796 Riverside Snow Creek, n. base, San Jacinto Mts. Comment
  POM11863  Pellaea mucronata var. mucronata P. A. Munz, I. M. Johnston 1922-5-19 5408 Riverside San Jacinto Canyon: canyon bed, near mouth of Strawberry Creek. 1067 Comment
  RSA778141  Pennisetum setaceum Jim Andre 2011-2-2 16214 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  CAS-BOT-BC265289  Penstemon clevelandii subsp. connatus Edmund C. Jaeger 1921-4-10 s.n. Riverside Rockhouse Canon [Rockhouse Canyon] Comment
  SD134368  Penstemon clevelandii var. connatus Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  UCR4114  Penstemon spectabilis Ronald M. Cope 1965-5-3 s.n. Riverside Riverside, on E side of road between Pigeon Pass Rd. and 'Big C', about 0.5 mi from 'C' 610 Comment
  RSA619535  Penstemon spectabilis var. spectabilis D. L. Banks 1997-5-5 1984 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
  OBI36582  Pentachaeta aurea A. C. Sanders, S. D. Boyd 1980-4-17 s.n. Riverside San Jacinto Mtns. Pine Meadow in upper Garner Valley , along hwy 74, .7 mi E of jctn with Hwy 371. 1524 Comment
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Jun 21 2012
  CAS-BOT-BC71581  Pentagramma triangularis subsp. maxonii D. A. Johansen; J. A. Ewan 1932-4-11 7069 Riverside Ravine at mouth of Tahquitz Canyon, Western Colorado Desert Comment
  RSA0070738  Pentagramma viscosa Scott D. White, Teresa Salvato 2001-6-8 8591 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCSB3816  Peritoma arborea Kamb, Peter 1948-4-11 Riverside Banning-Indio Highway east of Whitewater Wash, Coachella Valley 457 Comment
  JEPS35444  Perityle emoryi W. L. Jepson 1927-4-12 11648 a Riverside ne of Mecca; Mecca Hills, Painted Canyon 76 Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 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
  UC306392  Perityle emoryi S. B. Parish 1919-3-27 19196 Riverside Palm Canyon Colorado Desert Comment
  UCR214159  Perityle emoryi T. B. Salvato 2010-4-20 4057 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CHSC99225  Persicaria lapathifolia John C. Dittes; Rudolph A. Dittes 2006-10-30 1424 Riverside South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of Victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. Undesignated Section of El Encino Land Grant. 207 Comment
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Mar 10 2015
  OBI78428  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd, 8 mi W of Rancho California; In Sandia Crk 305 Comment
  CAS-BOT-BC167768  Petalonyx thurberi C. Epling; Wm. Robison 1933-6-26 s.n. Riverside Little San Bernardino Mts. Basin 5 mi. south, Lost Horse Wells Comment
  RSA296136  Petalonyx thurberi Barry A. Prigge 1980-8-5 3878 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  RSA445164  Petalonyx thurberi N. C. Cooper 1944-7-15 1574 Riverside Palms to Pine Hwy 152 Comment
  JOTR35988  Petalonyx thurberi subsp. thurberi Harding, Mitzi, Mark Wheeler 2012-9-4 199 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  RSA69829  Petunia parviflora J. C. Roos 1951-10-19 5327 Riverside San Jacinto Valley near south end of Old Jackrabbit Trail. 457 Comment
  SD125665  Petunia violacea A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the north side of Spruce St. between Rustin and Canyon Crest. 299 Comment
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Apr 5 2016
  POM46832  Peucephyllum schottii Mary F. Spencer 1920-3-23 1454 Riverside Palm Springs. 122 Comment
  RSA0042376  Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-3-13 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA20298  Peucephyllum schottii Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  SD258888  Peucephyllum schottii Sarah J. De Groot, Thomas Stoughton 2016-2-18 7627 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon. 181 Comment
  UC831588  Peucephyllum schottii E. C. Jaeger 1922-3-18 1028 Riverside near Mecca; Painted Canyon Comment
  JOTR32956  Phacelia affinis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2706 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  RSA166215  Phacelia ambigua Donald Myrick 1964-3-26 789 Riverside Joshua Tree National Monument, 15 miles S of 29 Palms. 762 Comment
  RSA305910  Phacelia ambigua P. A. Munz 1940-3-17 s.n. Riverside Rocky hillside, road from 29 Palms to Indio, about half way, San Bernardino Mts. Comment
  RSA427705A  Phacelia ambigua Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA444325  Phacelia ambigua Walter Wisura 1988-3-1 4193 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  UCR215971  Phacelia brachyloba Oleg Pryadko 2008-5-2 059 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  POM14060  Phacelia campanularia P. A. Munz, D. D. Keck 1922-4-14 5003 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA102328  Phacelia campanularia S. B. Parish, W. F. Parish 1882-04 216 Riverside Borders of the Colorado Desert, Whitewater. Comment
  CLARK-A1528-2995  Phacelia cicutaria John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  RSA613708  Phacelia cicutaria var. hispida George K. Helmkamp 1998-4-3 3090 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve. 1.1 mile NW of the ranch house besides a gauging station along the creek. 747 Comment
  UCSB42177  Phacelia cicutaria var. hispida Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  RSA614227  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  RSA0042167  Phacelia crenulata var. ambigua Duncan S. Bell, Evan Meyer 2014-4-2 6519 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR89727  Phacelia crenulata var. minutiflora J. M. Stewart 1991-4-7 758 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  RSA0007629  Phacelia davidsonii P. A. Munz, D. Keck 1923-6-14 7068 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  JOTR34034  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
  RSA0123357  Phacelia distans Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9047 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
  RSA125556  Phacelia distans R. Weatherby 1949-5-21 489 Riverside Between Raduc and Hemet. 610 Comment
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May 29 2013
  RSA335347  Phacelia distans D. A. Hoover 1985-4-21 383 Riverside Canyon east of the upper Desert wash trail, Southeast of Morongo Valley 793 Comment
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Dec 3 2014
  RSA778137  Phacelia distans Jim Andre 2011-2-2 16208 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR41340  Phacelia distans N. M. Fellows, A. C. Sanders 1985-4-9 154 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 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
  POM229429  Phacelia lemmonii P. A. Munz 1937-5-29 15101 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  RSA60725  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside 9 miles southeast of Temecula on highway 71. Comment
  RSA654551  Phacelia minor Bruce Albert 1982-4-17 77 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UC1167742  Phacelia minor Peter H. Raven 1958-5-17 12948 Riverside 7.4 mi se Banning (on rd to Idyllwild); San Jacinto Mountains Comment
  UC218087  Phacelia minor P. A. Munz and I. M. Johnston 1922-5-19 5356 Riverside 5 mi ne Murietta 457 Comment
  UC974998  Phacelia minor Rimo Bacigalupi and J. F. MacBride 1952-3-30 3552 Riverside along US 395 2.6 mi n Murrieta (w-facing hillslope between Wildomar and Murrieta, sw Riverside Co.) Comment
  UCR158722  Phacelia minor A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30012 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
  UCR162642  Phacelia minor S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR41359  Phacelia minor N. M. Fellows 1985-3-16 108 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UCR90752  Phacelia minor Scott D. White 1995-4-5 2736 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCSB10391  Phacelia minor Wedberg, H. 1957-3-22 Riverside Hwy. 71, Alberhill Comment
  UCR41743  Phacelia minutiflora A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6068 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  UC284690  Phacelia mutabilis C. F. Baker 1895-7-13 Riverside San Jacinto Mts. Comment
  POM183984  Phacelia pedicellata P. A. Munz 1932-3-14 12012 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  UCR199571  Phacelia ramosissima Scott D. White, Angelia Carey 2004-7-2 10593 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA180470  Phacelia ramosissima var. latifolia E. W. Lathrop 1960-6-8 4911 Riverside 14 miles west of Murrieta Comment
  CLARK-A1528-4797  Phalaris lemmonii John C. Roos 1966-3-24 Riverside Winchester Comment
  RSA550020  Pholistoma membranaceum Walter Wisura, A. King, L. Newcomb 1992-4-10 4677 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UC1490303  Pholistoma membranaceum Rolf Y. Berg 1980-2-4 Riverside ca. 2.5 mmi. from mouth Whitewater Canyon Comment
  UCR77766  Pholistoma racemosum Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6131 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  RSA420780  Phoradendron californicum Ora M. Clark 1929-3-17 1737 Riverside West of Indio. Comment
  UCR281867  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-9-21 43356 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA49179  Phoradendron densum Philip A. Munz 1949-4-13 13053 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA443393  Physalis acutifolia J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  CHSC1928  Physalis crassifolia V. Holt 1935-4-16 Riverside Colorado Desert. Comment
  UCR139378  Physalis crassifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  SEINET10389799  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  SD236352  Phytolacca americana A. C. Sanders, T. B. Salvato, Helen Kennedy, Andrea Salzman. 2006-11-9 33220 Riverside San Bernadino Valley: Riverside, UCR Botanical Garden, subtropical fruit orchard on the north side of the garden. 334 Comment
  UCR113861  Picris echioides Mitch Provance 2000-6-24 2056 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  SEINET10719550  Pinus coulteri Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 133 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCR36315  Pinus coulteri R. M. Adams 1982-3-8 62-054 185 Riverside San Jacinto Mtns., in Bay Tree Flats, 1.2 mi south of Vista Grande Ranger Station Comment
  UCR8099  Pinus coulteri B. Freeman 1969-3-24 690324- 01 Riverside San Jacinto Mtns., James Reserve, c. 20 m west of Indian Creek. 1646 Comment
  UC2015654  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak road, 0.7 mi. of Bonny Lane, sec.14. Comment
  UC64550  Pinus lambertiana H. M. Hall 1901-7-2 2318 Riverside near Tauquitz 2590 Comment
  SEINET10833975  Pinus lambertiana James S. Miller 1992-5-8 Miller 7471 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  UCR98769  Piperia elongata Scott D. White 1996-8-1 4420 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SD178108  Pistia stratiotes A. C. Sanders, C. L. Sanders and D. L. Sanders 2004-5-23 27963 Riverside Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 Comment
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Nov 10 2009
  UCR240055  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-28 38814 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
  UCR241772  Plagiobothrys canescens A. C. Sanders 2013-4-9 40784 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., west of Trumble Rd., SE of Perris 436 Comment
  UC218128  Plagiobothrys collinus P. A. Munz, and R. D. Harwood 1915-3 3378 Riverside 5 mi s Corona 304 Comment
  UCR121810  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-4-17 24058 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR241832  Plagiobothrys collinus A. C. Sanders, Timothy W. Chumley 2013-4-3 40760 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  RSA716876  Plagiobothrys collinus var. californicus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25847 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA586126  Plagiobothrys collinus var. fulvescens D. L. Banks 1995-4-11 169 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  UCR256897  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  SD152908  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south of Oak Flats, southwest of the Bluewater Trail. 730 Comment
  UCR117389  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2001-5-25 24389 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR121788A  Plagiobothrys leptocladus A. C. Sanders, Carolyn Washburn 2001-4-17 24042 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR281124  Plagiobothrys leptocladus Mitch Provance, Jeremiah George 2017-3-23 317- 71 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  SBBG94832  Plagiobothrys nothofulvus E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation 365 Comment
  UCR201657  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-5-15 12000 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR241381  Plantago erecta T. B. Salvato, Mike Landers 2013-3-21 7386 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  CSUSB1312  Plantago insularis Robert A. Clark 1966-3-5 3566 3 Riverside Mecca rural; 2 miles east of Mecca on State Highway 195 on marginal agricultural land adjacent to Creosote bush scrub. -57 Comment
  UCR37481  Plantago major Steve Boyd 1981-5-15 s.n. Riverside Dawson Canyon, Gavilan Hills Comment
  JEPS127776  Plantago ovata Adam C. Schneider with Will Freyman 2014-2-16 411 Riverside East side of Highway 177. Comment
  RSA0021552  Plantago ovata Duncan S. Bell 2012-3-4 3136 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA781409  Plantago ovata Duncan S. Bell 2011-10-22 2989 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
  UC68707  Plantago ovata H. M. Hall Apr 1905 5827 Riverside near Indio; Colorado Desert 0 Comment
  UCR148342  Plantago ovata John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR85084  Plantago ovata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16031 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM147638  Plantago ovata var. fastigiata F. M. Reed 1927-3-20 5433 Riverside North of Salton Sea Comment
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May 1 2011
  RSA402014A  Plantago ovata var. fastigiata N. C. Cooper 1949-3-15 3030 Riverside Palm Springs. 122 Comment
  RSA48412  Plantago ovata var. fastigiata E. K. Balls 1949-4-2 12897 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
  RSA769775  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-17 1008 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA761892  Plantago subnuda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 705 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG97299  Platanus racemosa W. L. Halvorson 1977-4-1 77 -215 Riverside 5 mi S of Temecula on Hwy S16 Comment
  JEPS51570  Platystemon californicus Marjorie D. Clary 1932-5-13 1629 Riverside Lost Horse Canyon extreme n boundary of Colorado Desert, Lost Horse Canyon (extreme northern boundary of Colorado Desert) Comment
  UC146754  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 1 Riverside Wilders near Riverside; near Riverside Comment
  SEINET7073301  Platystemon californicus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA557892  Plectritis ciliosa subsp. insignis Steve D. Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  SBBG57095  Pleuraphis rigida M. N. Ackley -Feb-1926 1 Riverside near Edom 64 Comment
  RSA472092  Pleurocoronis pluriseta W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs. Comment
  RSA721882  Pleurocoronis pluriseta J. Mark Porter, Orlando Mistretta 2003-6-5 13625 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  SEINET3402275  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canon, 1km W of Coachella, Colorado Desert, in the Lower Sonoran Zone. 30 Comment
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Aug 24 2013
  UC1719671  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Comment
  SEINET5568640  Pluchea sericea H. S. Gentry 1954-1 14248 Riverside Aguanga. Comment
  UCR130873  Pluchea sericea A. C. Sanders, K. C. Rose 1999-5-28 22793 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  UCR173156  Pluchea sericea Abby Sirulnik 2000-4-15 08 Riverside Sonoran (Colorado) Desert; Imperial Valley, Near Mecca, along Calif. Hwy 195, c. 1 mi west of intersection with Calif. Hwy 111 58 Comment
  RSA752876  Poa pratensis Orlando Mistretta 2009-7-10 4001 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
  SD232153  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR169398  Poa pratensis T. B. Salvato, John F. Green 2004-5-27 608 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
  UCR29264  Poa secunda A. C. Sanders, K. Berg 1980-5-1 1360 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  SBBG132548  Polygonum aviculare subsp. depressum S. D. White, J. M. Wood 2008-6-16 12139 Riverside meadow at Quinn Flat, San Jacinto Mtns 1378 Comment
  RSA575837  Polygonum lapathifolium Steve Boyd 1981-9-1 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews on south side of Cajalco Road, 1 mile west of Archer Rod. Comment
  RSA334990  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  RSA509564  Polypodium californicum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR225586  Populus fremontii A. C. Sanders, T. B. Salvato 2011-3-29 38865 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  CAS-BOT-BC356165  Porophyllum gracile H. M. Hall 1905-5-2 5977 Riverside Colorado Desert. Chuckawalla [Chuckwalla] Mt. Comment
  RSA774297  Porophyllum gracile Duncan S. Bell 2011-4-7 2185 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
  RSA775605  Porophyllum gracile Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 998 Riverside Iron Mountains, on southwest side of mountains in wash. 423 Comment
  SDSU13366  Porophyllum gracile Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 11 Riverside Santa Margarita Ecological Reserve (SDSU). 0.3 miles SW from the Northside Field Station. 262 Comment
  RSA286806  Potamogeton pusillus Robert F. Thorne 1974-5-23 44669 Riverside Santa Rosa Plateau, Rancho California: Mesa de Colorado, pool at SW edge of large vernal marsh and presently separated from it, floating in shallow water c. 1/3 m deep. 625 Comment
  UC1951225  Potamogeton pusillus Justin M. Wood with Brandy Wood 2009-7-4 1045 Riverside San Bernardino Valley: Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. Guasti 7.5' Quad. Comment
  CAS-BOT-BC356218  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 762 Comment
  RSA0014806  Proboscidea louisianica Steve Boyd, Rita Gentry 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Rd. 427 Comment
  CAS-BOT-BC206994  Prosopis glandulosa var. torreyana S. B. Parish 1916-5-12 10865 Riverside Mecca, Colorado Desert 60 Comment
  LA47456  Prosopis glandulosa var. torreyana Charles Bogert; 1932-4-17 4008 Riverside Indian Wells Comment
  POM348756  Prosopis glandulosa var. torreyana F. kelleher 1930-04 s.n. Riverside Palm Springs. Comment
  RSA502501  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3721 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  UCR51062  Prunus cerasifera Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, c. 6 mi SW of Riverside, NE corner of Hibiscus and Dauchy Avenues 488 Comment
  CAS-BOT-BC151114  Prunus fremontii Walter Knight; Irja Knight; Fred Klein 1969-3-31 2651 Riverside Ca. .2 mi. up Carrizo Rd. from Pines to Palms Hwy. 1097 Comment
  CAS-BOT-BC151125  Prunus fremontii Milo S. Baker 1928-4-4 2799 b Riverside Tahquitz Canyon Comment
  SBBG71044  Prunus fremontii R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
  POM48352  Prunus virginiana var. demissa Philip A. Munz, I. M. Johnston 1924-7-29 8867 Riverside San Gorgonio Canyon, North of Banning 1372 Comment
  POM308524  Psathyrotes ramosissima Henry J. Ramsey, Ramsey 1939-11-28 3171 Riverside 15 miles east of Indio Comment
  UCR34952  Psathyrotes ramosissima L. B. Ziegler 1976-9-20 554 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  JOTR35940  Pseudognaphalium biolettii De Groot, Sarah J., Evan Meyer and Abby Hird 2013-3-23 6888 Riverside Joshua Tree National Park. north and northwest part of Lost Palms Oasis 987 Comment
  CAS-BOT-BC356794  Pseudognaphalium californicum Scott D. White 1995-6-29 3380 Riverside Murrieta area, W Riverside Co. Murrieta Creek, NW of Murrieta, upstream from Cole Ck. confluence, at Calle de Oso Oro Rd. crossing 350 Comment
  UC1118482  Pseudognaphalium californicum A. Lewis 1934-3-1 316 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle, Tin Mine Canyo 609 Comment
  UC468790  Pseudognaphalium stramineum E. E. Schellenger 1906-4-3 Riverside Santa Marie Mts. Colorado Desert, Santa Marie Mts. Comment
  POM157889  Psilocarphus brevissimus P. A. Munz 1927-5-20 10801 Riverside Murietta Hot Springs Comment
  POM259739  Psilostrophe cooperi E. C. Jaeger 1939-12-16 s.n. Riverside Chuckawalla Springs 183 Comment
  UCR93569  Psilostrophe cooperi P. J. Leary 1975-5-14 1187 Riverside Sonoran (Colorado)-Mojave Desert Transition, Hexie Mtns, Joshua Tree National Monument 1098 Comment
  POM276882  Psorothamnus emoryi Lyman D. Benson 1933-3-31 4189 Riverside Salton Sea-Imperial Co. line. 61 Comment
  UCR163291  Psorothamnus emoryi B. G. Pitzer, G. R. Ballmer 2000-10-14 4237 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  CAS-BOT-BC340874  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 b Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  CAS-BOT-BC340923  Psorothamnus schottii H. M. Hall 1905-4-1 5758 Riverside Colorado Desert. Palm Springs 152 Comment
  POM1898  Psorothamnus schottii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  JEPS41683  Psorothamnus spinosus S. B. Parish 1912-6-28 8167 Riverside Red Canyon near Mecca; Red Canyon near Mecca Comment
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Nov 24 2011
  SD229012  Pteridium aquilinum Dick Schwenkmeyer 2012-8-27 808 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  SD245884  Pteridium aquilinum var. pubescens Dick Schwenkmeyer 2012-6-27 749 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR92165  Pterostegia drymarioides D. L. Banks, Steve Boyd 1995-5-3 0229 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  CAS-BOT-BC362147  Pulicaria paludosa A. C. Sanders 2002-11-21 25640 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR116680  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR273238  Quercus Mitch Provance 2012-1-25 17374 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
  UCR273242  Quercus Mitch Provance 2012-1-25 17387 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
  SEINET13953033 Image available Quercus agrifolia Martha P. Creighton 1952-1 464 Riverside 12 miles east of Hemet Comment
  RSA640179  Quercus agrifolia var. agrifolia Louis C. Wheeler 1965-3-26 8707 Riverside Temescal Valley: Wright Ranch. Comment
  UCD45202  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  UC519764  Quercus chrysolepis C. Epling 1931-10-4 Riverside Idyllwild 1371 Comment
  UCD170551  Quercus chrysolepis D. O. Burge 2017-5-20 2279 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  SBBG1317  Quercus cornelius-mulleri H. and M. Dearing 1937-11-28 2789 Riverside Palms to Pines Hwy Comment
  UCSB60488  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Corner of El Encino and Avenue La Cumbre; 0.3 miles north from the junction of Carrizo Road and Hwy. 74. San Jacinto Mts. 1036 Comment
  RSA575841  Quercus engelmannii Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'', tributary of Dawson Canyon drainage northern flank of Estelle Mountain. 427 Comment
  UCR121651  Quercus engelmannii A. C. Sanders, Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  POM123042  Quercus kelloggii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  UC729494  Quercus kelloggii Carl B. Wolf 1932-8-6 Riverside base of Devil's Slide Trail to Tahquitz Valley San Jacinto Mts., Strawberry Valley 1706 Comment
  UCD46614  Quercus kelloggii Maunsell Van Rensselaer 1937-6-23 Riverside Idyllwild Inn, San Jacinto Mountains, Riverside County, California. Comment
  UC1135774  Quercus palmeri A. E. Wieslander 1938-5-5 735 Riverside Van Deventer Flat Thermal Quad. 1493 Comment
  UCD83689  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mountains, near the Kenworthy Ranger Station. 1417 Comment
  CAS-BOT-BC104993  Quercus wislizeni Louis C. Wheeler 1931-10-4 244 Riverside 2 mi N Idyllwild, San Jacinto Mts. 1798 Comment
  POM49856  Quercus wislizeni var. frutescens P. A. Munz, I. M. Johnston 1924-7-29 8872 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  OBI14208  Quercus wislizeni var. wislizeni Louis C. Wheeler 1931-10-4 244 Riverside 2 mi N Idyllwild, San Jacinto Mts 1798 Comment
  CAS-BOT-BC362517  Rafinesquia californica Annie M. Alexander; Louise Kellogg 1941-5-7 2130 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  JOTR35493  Rafinesquia californica La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3181 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  RSA525415  Rafinesquia californica Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4523 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  UC667302  Rafinesquia californica Annie M. Alexander and Louise Kellogg 1941-5-7 2130 Riverside 12 mi sw 29 Palms; Joshua Tree National Monument 1310 Comment
  JEPS23077  Rafinesquia neomexicana Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon 1958-3-3 1832 Riverside 27 mi s Vidal (along U.S. Highway 95, in flood plain of the Colorado River, ne of the Big Maria Mts., e Riverside County); Colorado River 97 Comment
  RSA3968  Rafinesquia neomexicana C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 miles south of Browns Well, on the Blythe-Rice Road 244 Comment
  UCD135362  Rafinesquia neomexicana William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  VVC1723  Rafinesquia neomexicana Jim Andre, T. La 2009-3-10 11240 Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  RSA357768  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1973-5-23 43839 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  POM13857  Ranunculus californicus P. A. Munz 1922-4-28 5019 Riverside 5 miles NW of Corona 213 Comment
  RSA0013021  Ranunculus californicus LeRoy Gross, Grace Cho 2013-4-9 6006 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
  UC827665  Ranunculus californicus P. A. Munz 1922-4-28 5019 Riverside 5 mi nw Corona 274 Comment
  SEINET11261099  Raphanus sativus N. Duane Atwood 1993-3-26 17687 Riverside 6 miles NE of San Juan Capistrana along Hwy 74.; 0 Comment
  RSA656538  Ratibida columnifera Mitch Provance 2000-7-30 2173 Riverside Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR101452  Rhamnus californica A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22218 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR201406  Rhamnus crocea Scott D. White, Angelia Carey 2004-6-4 10480 A Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA0120131  Rhamnus ilicifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9271 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR117097  Rhamnus ilicifolia A. C. Sanders, T. B. Salvato 2001-5-16 24290 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
  UCR138608  Rhamnus ilicifolia D. L. Banks 1996-11-7 1195 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  UCR270189  Rhamnus ilicifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42405 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA105377  Rhododendron occidentale var. paludosum G. D. Barbe 1955-7-5 114 Riverside 12 mi south of Etna on French Creek Rd. where the road crosses the creek. 1098 Comment
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Jul 23 2013
  RSA605761  Rhus ovata Scott D. White 1996-3-16 3820 Riverside Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  SFV2147  Rhus ovata F. L. McPherson 1959-5-9 Riverside Coastal Sage community southeast of Banning, on northeast slope of mountain. Comment
  UC1130537  Rhus ovata H. S. Yates 1937-3-24 6469 Riverside s of Pinyon Flat 975 Comment
  UC1929837  Rhus ovata Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10684 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  UCR156362  Rhus ovata T. B. Salvato, Kent Beaman 2005-5-16 880 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  NY43195  Rhus trilobata J. B. Walker 1995-5-4 1412 Riverside San Bernardino National Forest, 1km S of Pinyon Flat Campground 1300 Comment
  IRVC9268  Rhus trilobata var. quinata B. T. Gittins 1966-5-1 1248 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  SEINET959435  Ribes cereum A. C. Sanders 2006-1 32826 Riverside Schell Creek Range: Canyon c. 0.7 mi. above Rosebud Spring, c. 0.5 mile SW of VABM Connor ( 2633m), 2.5 miles SSW of Hwy 50/93. 2400 Comment
  RSA180295  Ribes indecorum E. W. Lathrop 1965-4-4 5647 Riverside 8 miles west of Murrieta Comment
  CSUSB884  Ribes nevadense Carolyn McNeill 1969-4-28 Riverside San Jacinto Mountains San Jacinto Mountains, along Banning to Idyllwild Highway at Bay Tree Spring turnout. 1676 Comment
  POM12115  Ribes nevadense Mary F. Spencer 1921-6-1 706 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
  RSA162686  Ribes nevadense J. D. Olmsted 1959-6-23 678 Riverside Along Strawberry Creek in Fern Valley NW of Idyllwild, San Jacinto Mts. 1646 Comment
  RSA759122  Ribes roezlii var. roezlii Robt. Allen, Richard Newell 2007-6-19 s.n. Riverside Santiago Peak, NE of the summit, near junction of N Main Divide Road and spur to the summit. 1706 Comment
  UCR213493  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38413 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. 399 Comment
  UCR217533  Romneya coulteri Diane Menuz 2009-5-4 490 Riverside Peninsular Range, Estelle Mtn., c. 1.52 km east of Hwy. 15, c. 2.10 km south of Cajalco Rd., north of Olsen Canyon 382 Comment
  UCSC000944  Rubus parviflorus Unknown 1975-5-30 52 Riverside San Jacinto Mts., Hall Canyon 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
  RSA737432  Rumex crispus Justin M. Wood 2008-8-31 124 Riverside [Perris Basin:] Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  SEINET3245820  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37695 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. 363 Comment
  RSA653331  Rumex pulcher Mitch Provance 2000-4-8 2217 Riverside Jurupa Mountains: Belltown, SW side of Market St. (Crestmore Road) at Bell Ave. 79 Comment
  UCR150028  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA774117  Rumex salicifolius var. denticulatus Duncan S. Bell, Colleen Wheeler 2010-7-19 1628 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UCR240063  Salazaria mexicana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40507 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  POM262925  Salix exigua J. C. Roos 1937-5-23 617 Riverside La Sierra. Comment
  SBBG27490  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  UC498686  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside 4.8 km. n Arlington (4 mi w of Riverside, e side of bridge over Santa Ana R., on rd. to Pedley) 240 Comment
  UC498790  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside 4.8 km. n of Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R., base of embankment either side of hwy.) 240 Comment
  SBBG101690  Salix exigua var. hindsiana S. Boyd with T. Ross 1991-6-14 6367 Riverside Warm Springs Crk at NE end of Hogbacks Ridge, 2-3 mi NW of Murrieta Hot Springs Comment
  UC4990  Salix exigua var. hindsiana Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  SD1047  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  UCR219987  Salix gooddingii A. C. Sanders, D. L. Sanders 2010-11-28 38697 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  RSA495463  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2992 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA586051  Salix lasiolepis D. L. Banks, Steve D. Boyd 1995-3-16 90 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  SEINET998782  Salix lasiolepis T. B. Salvato 2004-1 594 Riverside San Bernardino Mts.: head of Banning (San Gorginio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. (Forest Falls 7.5 Q) 1402 Comment
  UC1134994  Salix lasiolepis A. Lewis 1934-5-1 410 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UCR3335  Salix lasiolepis T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5 mi south on Old Banning-Idyllwild Rd. 976 Comment
  UCR134612  Salsola paulsenii Marisa Sripracha, Kyle Boyd 2004-2-14 019 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 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
  UCR52073  Saltugilia australis 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
  RSA0094965  Saltugilia australis F. W. Peirson 1928-4-19 7841 Riverside Hills north of Elsinore. 457 Comment
  JOTR29605  Saltugilia latimeri Andre, Jim 2006-4-26 6762 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA67079  Saltugilia splendens Verne Grant, Alva Grant 1951-4-7 15984 Riverside Below Morongo Valley on road to White Water 732 Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  SD137722  Salvia apiana Darin L. Banks, Steve Boyd 1995-5-9 350 Riverside North of the Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area. 730 Comment
  POM4121  Salvia columbariae M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA0047269  Salvia columbariae J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SD38584  Salvia columbariae E. A. Purer 1935-4-21 6468 Riverside W edge of Colorado Desert Comment
  SDSU13925  Salvia columbariae Michael G. Simpson, Adrienne Russell 2000-4-29 2075 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR102701  Salvia columbariae B. G. Pitzer 1998-1-24 3384 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  SD16503  Salvia greatae Fidella G. Woodcock Apr 1922 Riverside 30 miles from Mecca, 6.0 miles from Dos Palmas, near Salton Sea. Comment
  RSA525270  Salvia mellifera Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4584 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SD225011  Salvia mellifera A. C. Sanders, G. Wainer, B. Ehdaie, A. Aryavand 1997-3-12 19871 Riverside Lake Kninner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  SEINET12872696  Salvia mellifera A. Sanders, Crain, J. 2015-4-3 41557 Riverside Santa Ana Mountains Comment
  SEINET2445422  Salvia mellifera Daphne K. Christopher, Hannah Stevens 2003-4-4 88 Riverside Uc Riverside, Motte Rimrock Reserve. 530 Comment
  UCR107705  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA0122708  Salvia vaseyi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9056 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
  RSA751395  Salvinia minima Rick E. Riefner Jr. 2009-2-25 9 -17 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy. 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  CAS-BOT-BC235030  Sambucus H. M. Hall 1901-6-1 2216 Riverside Onstat's Canon [Onstatt's Canyon], San Jacinto Mt. 1676 Comment
  RSA765048  Sambucus mexicana Doris Bowers 1972-4-15 1853 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  SEINET8753384 Image available Sambucus mexicana Norman C. Cooper 1944-1 1289 Riverside Banning 701 Comment
  CAS-BOT-BC238857  Sambucus nigra subsp. caerulea B. Pitzer 1997-4-1 3053 Riverside Lakeview Mtns, ca. .75 air mi. SSW of Mt. Rudolph, ca. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CAS-BOT-BC238859  Sambucus nigra subsp. caerulea H. M. Hall 1901-6-1 2216 Riverside San Jacinto Mountains. Onstatt's Valley 1615 Comment
  RSA621506  Samolus parviflorus D. L. Banks 1997-11-15 2195 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR226086  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  RSA471474  Sanicula crassicaulis N. C. Cooper 1947-4-5 2044 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC1611580  Sanicula tuberosa Steve Boyd, Tim Ross 1993-3-23 7908 Riverside s of Vail Lake (at n base of Agua Tibia Mtn, Agua Tibia Wilderness Area, Cleveland National Forest, extending s from end of Woodchuck Road); Palomar Range, Agua Tibia Mtn, Cleveland National Forest 731 Comment
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  SEINET13710211  Sarcodes sanguinea J. Adams, J. Adams (Botany) 1965-1 342 Riverside Azalea Canyon, Above Campground 6000 Ft 1829 Comment
  RSA0097961  Sarcostemma crispum Duncan S. Bell 2014-11-14 7712 Riverside Santa Rosa Mountains; in the Santa Rosa Mountains Wilderness area; west side of Martinez Mountain; along the Cactus Spring Trail, about 1 air mile northwest of Cactus Spring. 1217 Comment
  UCR17719  Sarcostemma cynanchoides Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR17947  Sarcostemma cynanchoides B. A. Carlson 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns. Corn Springs 488 Comment
  UC708738  Sarcostemma cynanchoides subsp. hartwegii H. K. Wagnon 1944-5-25 391 Riverside near falls n. side Tahquitz Canyon; Palm Springs Comment
  RSA47452  Schedonorus arundinaceus J. C. Roos 1949-5-21 4317 Riverside Temecula. 304 Comment
  UCR125278  Schinus terebinthifolius A. C. Sanders 2003-1-18 25666 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Sunnyslope Channel near confluence with Santa Ana River 220 Comment
  CAS-BOT-BC239933  Schismus arabicus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6464 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  RSA703367  Schismus arabicus LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1444 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33?37'32N, 115?19'35W: UTM 3721895N, 655238E to 33?36'52N, 115?19'54: UTM 3720669N, 654757E. 480 Comment
  SEINET3197218 Image available Schismus arabicus Andrew C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q) 130 Comment
  UC1146064  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 29093 Riverside 3 mi se of Glen Ivy Hot Springs Comment
  UCR154440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-6-15 30981 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCSB25710  Scrophularia californica Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.7 miles southwest of junction with Highway 74, Little Thomas Mountain 1524 Comment
  RSA425204  Scrophularia californica subsp. floribunda H. Twining 1890-04 s.n. Riverside Foothills [Riverside] 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
  CAS-BOT-BC341102  Scutellaria mexicana Emma B. Mundy 1921-3-22 4484 Riverside Andreas Canyon Region Comment
  SD247449  Scutellaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 Riverside Sonoran (Colorado) Desert: Bradshay Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  RSA33643  Scutellaria siphocampyloides N. C. Cooper 1944-7-16 1540 Riverside San Jacinto Mtns., Pine Cove. 1524 Comment
  POM6471  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1824 Riverside Lakeview Mountains: south end of Juniper Flat 609 Comment
  RSA543296  Selaginella bigelovii Steve Boyd 1991-3-17 5515 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SFV6323  Selaginella bigelovii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 26 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  CAS-BOT-BC62083  Selaginella eremophila S. B. Parish 1907-4-18 6111 Riverside Western edge of the Colorado Desert 200 Comment
  CAS-BOT-BC62089  Selaginella eremophila L. R. Abrams 1926-3-26 11032 Riverside Palm Canyon Comment
  UCR19830  Selaginella eremophila Freda Detmers 1930-2-2 s.n. Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Canyon Comment
  CAS-BOT-BC363482  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  UCR34949  Senecio flaccidus var. douglasii L. B. Ziegler 1964-8-20 041 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  JOTR34397  Senecio flaccidus var. monoensis Andre, Jim 2012-4-16 20930 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  CAS-BOT-BC364136  Senecio mohavensis Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2197 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  JOTR32323  Senna armata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  SBBG82057  Senna covesii J. M. Stewart 1985-3-16 8503 Riverside Martinez Cyn 259 Comment
  SEINET3127006 Image available Sesuvium verrucosum A. C. Sanders, Richard Dwerlkotte 2010-3-22 37515 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, 2 mi. ESE (98 degrees) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q.). 129 Comment
  UC1132945  Setaria viridis H. S. Yates 1936-8-29 6373 Riverside Idlewild San Jacinto Quad., Idlewild Comment
  CSUSB592  Sidalcea malviflora Ray O. Perez 1955-5-20 Riverside Lake Hemet Lake Hemet- north shore Comment
  CAS-BOT-BC434387  Sidotheca trilobata Philip A. Munz 1937-5-31 15117 Riverside Below Anza Tablet [Table = Anza Bench], at head of Coyote Canyon, S.W. Riverside Co. 1005 Comment
  SD22559  Sidotheca trilobata Susan G. Stokes 1933-8-1 Riverside Idyllwild Comment
  RSA515310  Silene gallica Jeri Hirshberg