Search Results — 2000 specimen records retrieved (1889 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  SD229020  Abies concolor Dick Schwenkmeyer 2012-8-27 798 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  CAS-BOT-BC229345  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  CAS-BOT-BC229359  Abronia villosa Aven Nelson; Ruth Nelson 1939-3-22 3216 Riverside The 100 Palms resort, south of Indio, Highway 99 Comment
  CSUSB1081  Abronia villosa P. A. Rauch 1968-2-22 Riverside San Gorgonio Wash. Comment
  RSA462259  Abronia villosa A. N. Dunn, A. Martin 1932-3-26 s.n. Riverside Coachella Comment
  SDSU8419  Abronia villosa A. H. Gallup 1949-3-28 399 Riverside On desert floor 2 miles south of Palm Springs. 91 Comment
  POM123199  Abronia villosa var. aurita Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA667130  Abronia villosa var. aurita A. C. Sanders, T. B. Salvato 2001-5-16 24296 Riverside S of Hemet, 1/4 mi. S. of Gibbel Rd. about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Bute, S of mouth of Avery Cyn. 518 Comment
  UCR130712  Abronia villosa var. aurita George K. Helmkamp, E. A. Helmkamp 1998-6-27 4078 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR238088  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  SD248459  Abronia villosa var. villosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41421 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
  RSA735217  Acacia greggii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11239 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC165050  Acacia greggii S. B. Parish 1902-6-28 8106 Riverside near Mecca (Colorado Desert, Red Canyon); Colorado Desert, Red Canyon Comment
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Nov 24 2011
  RSA248051  Acacia greggii var. arizonica R. F. Thorne, C. W. Tilforth 1973-5-30 43580 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
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Apr 24 2011
  CAS-BOT-BC539369  Acer circinatum O. F. Clarke 2003-6-10 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 350 Comment
  UCR195129  Achillea millefolium A. C. Sanders, Tim Thomas 2008-8-1 35955 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  SEINET4692065 Image available Achnatherum coronatum Frank W. Gould 1943-1 2128 Riverside 12 miles south of Corona on road to Elsinore Comment
  POM365988  Achnatherum hymenoides Christopher Davidson, B. Gustafson 1977-4-7 5590 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  UC39951  Achnatherum occidentale subsp. californicum H. M. Hall July 1901 2556 Riverside North side. Fullers Ridge San Jacinto Mountains 2133 Comment
  RSA0103317  Achnatherum speciosum Jim M. Andre 2012-4-11 20701 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA494624  Achnatherum speciosum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA771664  Achnatherum speciosum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4904 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
  JOTR31233  Achyronychia cooperi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2017 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  RSA0112108  Achyronychia cooperi Duncan S. Bell, Amanda Turek 2009-3-30 191 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA423484A  Achyronychia cooperi M. B. Dunkle 1935-3-17 4399 Riverside Colorado Desert. 610 Comment
  CAS-BOT-BC213470  Acmispon argophyllus var. argophyllus H. M. Hall 1902-4-1 2899 Riverside Vicinity of Sage 762 Comment
  CAS-BOT-BC213472  Acmispon argophyllus var. argophyllus D. W. Kyhos 1962-3-7 62 -79 Riverside About 2 miles east of alpine Cafe on Palms to Pines Highway near Nightingale trunoff. Comment
  LA48110  Acmispon argophyllus var. argophyllus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SBBG133770  Acmispon brachycarpus A. C. Sanders 2011-4-26 39327 Riverside Alberhill Mtn, S side near Nichols Rd, ca. 350 m WNW (276 deg ) of Nichols Rd and Pierce St intersection 395 Comment
  JOTR34097  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
  SBBG3417  Acmispon grandiflorus var. grandiflorus H. and M. Dearing 1940-6-9 4363 Riverside Palms to Pines Hwy Comment
  UCSB45964  Acmispon rigidus Roos, John 1966-2-12 Riverside Chuckwalla Mtns., 2 1/2 miles SE of Desert Center Comment
  JOTR35283  Acmispon strigosus Andre, Jim 2012-4-11 20775 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  SD260049  Acmispon strigosus J. Andre 2012-4-11 20775 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi, east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. 729 Comment
  UCR244909  Acmispon strigosus Jim Andre 2012-3-19 21378 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA390500  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1947-4-5 2028 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CLARK-A1528-806  Adenostoma sparsifolium Richard A. Minnich 1968-4-14 12 Riverside San Jacinto Mountains 1341 Comment
  IRVC29859  Adenostoma sparsifolium Mark A. Elvin 2004-10-12 3812 Riverside S of Idyllwild, N of Mountain Center along Hwy 243. San Jacinto Moutnains 1524 Comment
  POM877  Adiantum capillus-veneris G. Ross Robertson s.n. Riverside Santa Ana Canyon 609 Comment
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Mar 12 2014
  UC811108  Adiantum capillus-veneris Ivan Johnston 1917-4-4 Riverside Little Palm Canyon Fork Palm Canyon; Colorado Desert 304 Comment
  UC4152  Agave deserti H. M. Hall Jun 1901 2117 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert Comment
  SEINET5641186  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  UC219242  Agnorhiza ovata E. C. Jaeger 1921-6-14 1054 Riverside Barkers Meadow San Jacinto Mts. Comment
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Nov 6 2011
  UCD53294  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
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Aug 13 2006
  UCR2110  Agrostis stolonifera F. M. Reed 1906-7-5 1124 Riverside Riverside. Chicago Ave. near railroad and Indianapolis Ave. [Spruce St.] 279 Comment
  RSA27516  Aliciella latifolia I. L. Wiggins 1941-3-24 9587 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line. Comment
  OBI26126  Aliciella latifolia subsp. latifolia David Keil 1976-12-12 11904 Riverside 5 miles E. of Indio along I-10. Larrea-Atriplex desert. Comment
  UC1280904  Allenrolfea occidentalis H. E. McMinn 1937-3-6 5016 Riverside River Rd. ca. 20 mi. n. of Blythe Comment
  JOTR33711  Allionia incarnata var. incarnata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1001 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
  SD134565  Allium fimbriatum var. munzii Craig Reiser 1992-4-14 Riverside Bachelor Mountain, south flank near Skinner Dam. (IPB 2/08) Comment
  CAS-BOT-BC131991  Allium haematochiton James R. Shevock 1975-4-28 4265 Riverside Along the road between Mesa de Burro and Mesa de Colorado, Santa Rosa Plateau Comment
  JEPS61528  Allium haematochiton W. L. Jepson 1927-4-11 11719 Riverside near Banning (Beaumont); Beaumont Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  RSA70224  Allium haematochiton F. W. Peirson 1919-4-14 1652 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  SEINET8467180 Image available Allium haematochiton M. McLeod, Keil, D. 1979-1 K 12872 Riverside Alberthill jct along Hwy 71 366 Comment
  UCR139246  Allium lacunosum var. micranthum A. C. Sanders, Kate Kramer 2003-6-11 26878 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  UCR78048  Allium munzii Scott D. White 1993-4-22 1255 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UC843420  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside e Hemet 640 Comment
Read comments
May 11 2010
  CAS-BOT-BC475416  Allium praecox Scott D. White; Justin Wood 2008-3-25 11772 Riverside Perris/Elsinore BAsin; Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area 366 Comment
  RSA162778  Allium praecox J. D. Olmsted 1959-4-17 404 Riverside Eagle T.T. 0.5 mile east of intersection with Main Divide T.T.; 10 miles SSW of Corona. Santa Ana Mountains, Santa Ana River Drainage Area 732 Comment
  RSA736646  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SD181421  Allophyllum glutinosum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains; near Mountain Center; unnamed ephemeral drainage (tributary to South Fork, San Jacinto River). 1402 Comment
  SD71849  Allophyllum glutinosum Helen V. Witham 1969-7-2 190 Riverside De Luz Creek, 7.0 miles south of Murietta on road to De Luz. 299 Comment
  UCR114963  Alopecurus saccatus Fred M. Roberts 1992-4-25 4875 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
  CAS-BOT-BC516262  Alternanthera caracasana Mitch Provance 2013-6-18 613 -30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  UCR145578  Amaranthus albus Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  UCR77685  Amaranthus albus Steve Boyd 1991-7-13 6415 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
  UCR77569  Amaranthus blitoides Steve Boyd 1991-9-8 6435 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  CDA3239  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 S of Scott Ave., between Arlington and Central Aves. Comment
  UCR272673  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  UCR54448  Amaranthus fimbriatus A. C. Sanders, E. J. Lawlor 1988-10-22 08723 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UCR272196  Amaranthus powellii Duncan S. Bell 2015-9-30 8659 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  RSA500104  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3666 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCD97750  Amaranthus retroflexus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 472 Comment
  CAS-BOT-BC22606  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -333 Riverside Joshua Tree National Monument: about 6 mi S of Entrance to Cottonwood Springs Campground Comment
  RSA0112109  Ambrosia dumosa Duncan S. Bell, Amanda Turek 2009-3-30 190 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA761044  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 152 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  JOTR00920  Ambrosia dumosa Sipe, Frank 1958-3-13 223 Riverside Joshua Tree National Park. PORCUPINE WASH, PINTO BASIN Comment
  RSA588826  Ambrosia psilostachya Darin L. Banks, Steve Boyd 1995-10-17 0778 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
  SD136928  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon at confluence with Bluewater Canyon 328 Comment
  UCR228833  Ambrosia pumila A. C. Sanders, T. B. Salvato 2011-4-27 39332 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  CAS-BOT-BC273011  Ambrosia salsola John Thomas Howell 1928-1-28 3285 Riverside Thousand Palms, Colorado Desert Comment
  LA31366  Ambrosia salsola Jane Turner; Barbara Wlatreel, Virginia Sjaholm 1959-3-21 C- 175 Riverside Morongo Wash Comment
  RSA606085  Amorpha fruticosa R. S. Woglum 1941-5-14 3039 b Riverside Peninsular Ranges / Sonoran Desert transition: Elder (Alder?) Canyon, off Coyote Canyon. Comment
  JEPS61149  Amsinckia intermedia S. B. and W. F. Parish 1882-4-20 469 Riverside borders of Colorado Desert (Whitewater) Comment
Read comments
Mar 10 2011
  RSA499969  Amsinckia intermedia N. C. Cooper 1944-4-23 1112 Riverside Banning 701 Comment
  SDSU18986  Amsinckia intermedia C. Matt Guilliams, Jeannine Ross 2008-3-12 533 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. 428 Comment
  UCR138889  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  SD136887  Amsinckia menziesii Steve Boyd 1986-4-2 1617 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 609 Comment
  POM4018  Amsinckia menziesii var. menziesii C. F. Baker 1903-4-4 s.n. Riverside Elsinore 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
  UCR275272  Amsinckia retrorsa T. B. Salvato, Gregg Miller 2005-6-7 1492 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  SDSU13948  Anagallis arvensis Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2134 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA714021  Ancistrocarphus filagineus R. E. Riefner 2005-4-15 05 -200 Riverside City of Hemet, hills E ca. 1.5 mi. off Winchester Road and Florida Ave. 515 Comment
  UCR174167  Ancistrocarphus filagineus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32599 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
  CAS-BOT-BC79941  Antennaria microphylla Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA615094  Antirrhinum coulterianum D. L. Banks 1997-3-29 1585 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR275195  Antirrhinum coulterianum T. B. Salvato, Gregg Miller 2005-6-7 1449 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR49243  Antirrhinum coulterianum Steve Boyd 1986-4-22 1742 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA679173  Antirrhinum nuttallianum Fred M. Roberts 2003-7-11 5961 Riverside San Mateo Canyon Wilderness, unnamed tributary to san Juan Creek, 0.9km ESE Upper San Juan Campground. 666 Comment
Read comments
Nov 24 2014
  SD262335  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617 9 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd (Alberhill 7.5'Q) 366 Comment
  UCR112145  Antirrhinum nuttallianum A. C. Sanders, Mitch Provance 1998-5-14 21845 Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  UCR151067  Antirrhinum nuttallianum Scott D. White 1998-6-17 6750 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  POM354916  Antirrhinum nuttallianum subsp. nuttallianum H. Twining 1890-04 14769 Riverside Foothills [Riverside] Comment
Read comments
Oct 27 2011
  RSA114705  Antirrhinum nuttallianum subsp. nuttallianum Verne Grant 1955-5-17 20835 Riverside On crest of Santa Ana Mts near hwy 74. 811 Comment
  RSA192320  Antirrhinum nuttallianum subsp. nuttallianum H. A. Zuill 1966-6-23 236 Riverside San Mateo canyon about 12 miles SW of Murrieta. Comment
  RSA278321  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth, Walter Wisura 1979-5-23 1803 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  UC1536044  Apiastrum angustifolium Robert F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau, Mesa De Colorado Mesa De Colorado; Santa Rosa Plateau, Mesa De Colorado 609 Comment
  UCR172768  Apiastrum angustifolium Abby Sirulnik, Ian G. Gillespie 2000-5-14 54 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
  UCR194228  Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  UCR267164  Apiastrum angustifolium Mitch Provance, Matt Amalong 2015-3-24 315- 13 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., S of the lower watertank 406 Comment
  UCR40438  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7 mi west of Rancho California. 366 Comment
  SD229232  Aquilegia formosa Dick Schwenkmeyer 2012-8-28 819 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SEINET3507464 Image available Arabis perennans C. F. Shutts 1949-3-19 F 53 Riverside White Tanks, Pinto Mtns. Joshua Calif. Tree Natl. Mon. Comment
  RSA0129423  Arabis perennans J. D. Olmsted 1962-5-3 3492 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  UCR80814  Arabis sparsiflora Scott D. White 1993-5-29 1474 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA629372  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16859 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UCR273485  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 below McGaugh Rd., west slope of the mountains at mile post 58.19, below Mountain Center 1311 Comment
  SD152873  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7180 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR44194  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA629415  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19532 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC24669  Arctostaphylos glauca Philip A. Munz 1953-5-31 18516 Riverside Ridge between Juniper Flats and Stubby Springs, Joshua Tree National Monument. 1402 Comment
  LA34912  Arctostaphylos glauca Mary V. Hood; 1945-3-25 45- 3 k* Riverside Iron Spring, Aguanga 609 Comment
  RSA631830  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15535 Riverside Road to Elsinore Peak, 10 km south of Highway 74. 900 Comment
  RSA632655  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16523 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  SBBG97195  Arctostaphylos glauca W. L. Halvorson 1977-4-1 77 -220 Riverside 5 mi S of Temecula on County Rd S16 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
  RSA633583  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22508 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633587  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22509 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633692  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21766 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  CAS-BOT-BC44371  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Rocky ridges near Pipe Creek, above Hemet Valley, San Jacinto 1676 Comment
  RSA635656  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16640 Riverside Road to Santa Rosa Mtn. (7S02), 3.7 km south of Hwy 74. 1610 Comment
  RSA636163  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19469 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  RSA636167  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19472 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  SD135211  Arctostaphylos rainbowensis Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-11 19485 Riverside Eastern Santa Margarita Mtns., W of Temecula, off Colman Rdl, 0.8 km N of Carancho Rd. and W of De Luz Rd. 170 Comment
  UCR189784  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  UCR209395  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6514 Riverside Santa Ana Mountains, vicinity of Santa Rosa Plateau, Carancho Road, 0.2 km west of the junction with Camaron Road, 1.3 km wet of the summit of Mesa de La Punta 360 Comment
  UCR18879  Arenaria douglasii John C. Roos 1952-5-26 5726 Riverside Reche Canyon 427 Comment
  UCR57230  Arenaria douglasii Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta, on clay hillside at edge of road below Mesa De Burro Comment
  JOTR01017  Arenaria macradenia var. macradenia Cole, James E. 1941-6-9 854 Riverside Joshua Tree National Park. LOST HORSE PASS 1371 Comment
  CAS-BOT-BC401677  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-6-24 2170 Riverside .1 mile w. of Radec 516 Comment
  CAS-BOT-BC137649  Aristida adscensionis Frank W. Peirson 1921-3-23 2374 Riverside Colorado Desert. Deep Canyon. 335 Comment
  CAS-BOT-BC137655  Aristida adscensionis E. A. McGregor 1917-3-18 791 Riverside 5 miles up Painted Canon [Canyon]. 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
  RSA650402  Aristida adscensionis David B. Dunn, H. Lint 1955-4-1 11840 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  RSA788433  Aristida adscensionis Jim Andre 2011-2-9 15906 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
  SD224792  Aristida adscensionis G. K. Helmkamp 1998-4-4 3155 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd., to the vicinity of the pumping station. 305 Comment
  UCR165823  Aristida adscensionis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA0029058  Aristida californica var. californica Jim Andre, Tasha La Doux 2006-4-11 6739 Riverside Pinto Basin: about 1 mi N. of Pinto Basin Rd (paved) growing in the Sand Hill area. 527 Comment
  CLARK-A1528-4475  Aristida parishii John C. Roos 1940-2-17 891 Riverside Reche Canyon 457 Comment
  SBBG19776  Aristida purpurea var. fendleriana M. A. Piehl 1963-6-2 63538 Riverside 1.5 mi E of Pinyon Flat Cmpgrd, Palms to Pines Hwy 1219 Comment
  UC576337  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCR19681  Aristida purpurea var. nealleyi John C. Roos 1938-8-7 582 Riverside San Jacinto Mtns., Road bank near San Jacinto River, east of Hemet 701 Comment
  UC1080343  Artemisia californica E. K. Balls and P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  UCR141241  Artemisia californica A. C. Sanders, Kelly Volansky 2004-10-6 28813 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  POM230231  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1933-8-21 6984 Riverside West of Keen Camp 1360 Comment
  CAS-BOT-BC90576  Artemisia dracunculus Parish 1901-1 15951 Riverside Strawberry Valley Comment
  CLARK-A1528-5447  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  JEPS36925  Artemisia dracunculus Carl V. Meyer 1928-7-30 597 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow 1676 Comment
  UC29674  Artemisia dracunculus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR106335  Artemisia ludoviciana subsp. albula John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CAS-BOT-BC90768  Artemisia ludoviciana subsp. ludoviciana F. A. M. 1936-3-20 14543 Riverside Desert Hills, Morongo Valley Comment
  POM294106  Artemisia tridentata subsp. tridentata Lyman Benson 1945-11-10 11917 Riverside 5 miles west of Aguanga. 457 Comment
  SEINET270102  Arundo donax Miles Fellows 1984-9-25 Riverside Santa Ana river bed just north of Riverside Comment
  CAS-BOT-BC222820  Asclepias albicans H. M. Hall 1905-5-1 6025 Riverside Colorado Desert. Pinto Mts. Comment
  SJSU11075  Asclepias albicans R. C. McGehee 1970-4-14 182 Riverside E base of Coxcomb Mts, end of road 2.3 mi W of its junction with Desert Center-Rice Rd Comment
  RSA263781  Asclepias eriocarpa Robert Harvey 1959-8-4 157 Riverside Tin Mine Canyon Calif. near Corona. 610 Comment
  SD125880  Asparagus asparagoides B. Pitzer, E. Misquez 1988-2-28 636 Riverside Walker Basin, southwest of Murrieta, Avenida del Oro, 2 miles south of Rancho California Road. Hilly areas north of the road. 427 Comment
  UC211619  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills above Wilder's Canyon, W of Riverside 426 Comment
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Jul 30 2006
  UCR261103  Aspidotis californica Joseph Cahill 2011-1-8 111- 02 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  POM183876  Aster bernardinus Philip A. Munz 1932-10-16 12838 Riverside Meadow in Hemet Valley, San Jacinto Mts. 1372 Comment
  CLARK-A1528-1605  Aster chilensis John C. Roos 1946-9-14 3014 Riverside San Jacinto Mountains 1371 Comment
  UCR207320  Aster subulatus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA0106762  Astragalus aridus Duncan S. Bell, Amanda Turek 2009-3-29 139 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  RSA415778  Astragalus aridus M. B. Dunkle 1933-3-4 3070 Riverside Sandy wash, Painted Canyon, Colorado Desert 30 Comment
  RSA498248  Astragalus aridus T. S. Clare 1930-4-14 s.n Riverside Salton Sea. [Imperial to Riverside Co] Comment
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  UC862521  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5927 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
  JEPS48853  Astragalus crotalariae Marjorie D. Clary 1932-3-25 953 Riverside Conchilla Desert Comment
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Sep 14 2011
  POM145537  Astragalus didymocarpus J. B. Feudge 1927-4-12 1867 Riverside Lake Elsinore. Comment
  VVC2870  Astragalus douglasii var. douglasii Tim Thomas, P. J. MacKay 2010-4-12 5022 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  SEINET3132644  Astragalus douglasii var. parishii R. W. Spellenberg, D. Jackson 1972-5-19 2823 Riverside 3.8 mi SE of Lake Hemet, along California State Hwy 74 1402 Comment
  UC527315  Astragalus filipes C. B. Wolf 1931-5-11 1952 Riverside near Pipe Creek (Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek, Hemet Valley 1615 Comment
  SD6087  Astragalus lentiginosus var. coachellae unknown Mar 1914 Riverside Palm Springs Comment
  UCR11604  Astragalus lentiginosus var. coachellae O. H. Kappler 1950-4-1 2046 Riverside Western Colorado Desert, Four mi. east of Palm Springs, north of Cathedral City. 183 Comment
  CAS-BOT-BC178061  Astragalus nuttallianus Steve Castagnoli; Greg de Nevers; R. Doug Stone 1980-4-29 108 Riverside 6 1/2 road miles NNW of Horse Thief Springs - Kingston Range 1066 Comment
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Apr 22 2018
  JEPS54762  Astragalus nuttallianus F. W. Peirson 1922-4-9 584 Riverside foot of Murray Canyon e base Mt. San Jacinto, Palm Sprs, Murray Canyon (Palm Sprs., e base Mt. San Jacinto) Comment
  CAS-BOT-BC192765  Astragalus palmeri Peter H. Raven 1958-5-6 12926 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert Comment
  CAS-BOT-BC194164  Astragalus palmeri P. A. Munz; D. Keck 1922-4-13 4935 a Riverside Eagle Mts., Colorado Desert Comment
  JEPS54934  Astragalus palmeri Marjorie D. Clary 1932-11-14 1673 Riverside Pinyon Flats , Pinyon Flats (San Jacinto Mts.) 1219 Comment
  JOTR01062  Astragalus palmeri Cole, James E. 1941-4-8 502 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1219 Comment
  RSA90640  Astragalus palmeri F. W. Peirson 1921-3-21 4751 Riverside Gordon Trail, E slope of San Jacinto Mts. 1220 Comment
  CAS-BOT-BC194140  Astragalus pomonensis Joseph Andorfer Ewan; Carl Epling 1933-5-4 7610 Riverside 5 mi. above Corona, Temescal Canyon Comment
  CLARK-A1528-455  Astragalus pomonensis Ellen Predmore 1971-5-3 Riverside Gilman Hot Springs Comment
  RSA12908  Astragalus pomonensis C. B. Wolf 1935-4-7 6298 Riverside 1 mile W of Val Verde in the Gavilan region. 488 Comment
  RSA415661  Astragalus pomonensis Anstruther Davidson 1892-5-23 s.n Riverside Banning. Comment
  RSA60419  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside 3 miles W of Beaumont near junction. Comment
  SD114770  Astragalus pomonensis Wayne P. Armstrong 1982-4-4 Riverside Hillsides west of Sun City housing development, west end - McCall Blvd. 424 Comment
  SEINET2060269 Image available Astragalus pomonensis Howard Scott Gentry 1981-6-1 23712 Riverside Near Murrieta 396 Comment
  SEINET898380  Astragalus pomonensis Ira W. Clokey, C. B. Clokey, B. Templeton 1935-1 4634 Riverside Perres-Gavilan Peak 600 Comment
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Aug 3 2013
  UCR111598  Astragalus pomonensis Mitch Provance 1998-4-8 1773 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR117404  Astragalus pomonensis A. C. Sanders, Carolyn Washburn 2001-5-10 24230 Riverside Perris-Aguanga Basin region, foot of North Domenigoni Hills at south end of Warren Rd., 3 mi. SE of Winchester 457 Comment
  RSA90742  Astragalus pomonensis F. W. Peirson 1922-4-29 2957 Riverside Roadside W of Lake Elsinore. 381 Comment
  CAS-BOT-BC194056  Astragalus tricarinatus P. A. Munz; I. M. Johnston 1922-5-6 5196 Riverside Morongo Wash, Colorado Desert Comment
  CLARK-A1528-1152  Astragalus tricarinatus John C. Roos 1973-3-31 Riverside Whitewater 457 Comment
  UCR196358  Atrichoseris platyphylla Naomi Fraga, Lisa Rojas 2005-2-10 1405 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  UCR24409  Atrichoseris platyphylla John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  UCR207995  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet 305 Comment
  POM202642  Atriplex canescens var. laciniata W. M. Ingram 1934-10 2 Riverside 6 miles southwest [southeast] of Whitewater Highway 99, Colorado Desert. Below sea level. Comment
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Dec 11 2011
  POM278955  Atriplex canescens var. linearis Grant D. Brown 1951-3-28 615 Riverside Date Palm Beach Comment
  POM27528  Atriplex canescens var. macilenta I. L. Wiggins 1941-3-24 9585 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
  RSA0066133  Atriplex canescens var. macilenta Stephanie Rockwood, Christi Gabriel 2011-10-18 125 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  UCR214709  Atriplex canescens var. macilenta A. C. Sanders, Richard Dwerlkotte 2010-3-22 37523 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
  UCR92692  Atriplex coronata var. notatior A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18059 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA0089557  Atriplex elegans Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development. 772 Comment
  UCR91926  Atriplex elegans George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  SBBG128830  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Temescal Cyn Mouth, city of Corona, along Magnolia Ave, off-ramp on SW side of Hwy 15 216 Comment
  JOTR37712  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  RSA701087  Atriplex hymenelytra Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11247 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SEINET2042035 Image available Atriplex lentiformis George Helmkamp, E. A. Helmkamp 2000-8-29 5983 Riverside Colorado Desert: S of Mecca, where Lincoln St. Crosses the Whitewater River. Ca. 0.5 mi from the Salton Sea. 67 Comment
  UCR239218  Atriplex polycarpa Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Colorado Desert; Northeastern Colorado Desert, Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road 305 Comment
  CLARK-A1528-4995  Atriplex rosea John C. Roos 1965-8-4 Riverside Arlington Comment
  SD146321  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 mile west of Warren Road. 456 Comment
  SD211580  Atriplex suberecta Scott D. White 2008-8-20 12537 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameria and Oleander Streets. (Perris, Sunnymead) 445 Comment
  RSA557311  Atriplex suberecta Julie Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1411 Riverside San Jacinto Wildlife Area. 433 Comment
  RSA612727  Atriplex suberecta H. C. Stutz 1989-1-18 9557 Riverside 1/2 mile E of Perris. Comment
  UCR110398  Atriplex triangularis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23181 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  POM170960  Ayenia compacta I. M. Johnston 1930-6-15 3784 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  UCR38254  Ayenia compacta J. M. Stewart 1985-3-16 8505 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  CAS-BOT-BC98776  Baccharis Elizabeth McClintock 1964-4-8 303 Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  POM253447  Baccharis brachyphylla E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  UCSB42280  Baccharis brachyphylla Roos, John 1958-9-27 Riverside Carrizo Creek near Black Hill, Santa Rosa Mtns. 914 Comment
  CLARK-A1528-1625  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  RSA0120019  Baccharis salicifolia Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9070 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  SEINET10616772  Baccharis salicifolia David B. Dunn 1948-1-25 Dunn 3646 Riverside Found in ravine northeast of the top of the grade east of Riverside about 5 miles out. Comment
  UC667271  Baccharis salicifolia subsp. salicifolia Annie M. Alexander and Louise Kellogg 1941-5-4 2121 Riverside Joshua Tree National Monument, Barker Dam 1322 Comment
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Feb 4 2013
  UC893720  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi nw Elsinore 457 Comment
  UCD129398  Baccharis salicina A. C. Sanders; T. Tennant 1997-11-20 21619 Riverside Lake Skinner area: mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  CAS-BOT-BC99873  Baccharis sergiloides L. A. Greata 1904-9-1 s.n. Riverside Banning Comment
  CLARK-A1528-2175  Baccharis sergiloides John C. Roos 1946-9-14 3003 Riverside San Jacinto Mountains 1066 Comment
  RSA5439  Baccharis sergiloides C. B. Wolf 1932-10-11 4271 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  SBBG98294  Baccharis sergiloides G. B. Grant -May-1906 Riverside Palm Springs Comment
  SD229071  Baccharis sergiloides Dick Schwenkmeyer 2013-6-11 907 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR136316  Baccharis sergiloides Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCR245795  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40957 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  VVC1349  Baccharis sergiloides A. C. Sanders, J. Mac 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  POM299271  Bahiopsis parishii A. M. Alexander, A. Kellogg 1941-5-18 2196 Riverside Eagle Mountains 1021 Comment
  RSA442012  Bahiopsis parishii Christopher Davidson, B. Gustafson 1977-4-7 5576 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  CAS-BOT-BC99955  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC99971  Baileya pauciradiata Aven Nelson; Ruth A. Nelson 1939-3-29 3313 Riverside Between Mecca and Hidden Springs Comment
  POM13024  Baileya pauciradiata Philip A. Munz, D. D. Keck 1922-4-14 4965 Riverside Indian Wells 107 Comment
  SBBG7791  Baileya pauciradiata H. and M. Dearing 1937-4-10 2864 Riverside ca. 16 mi N of Indio Comment
  UC472194  Baileya pauciradiata F. M. Reed 1917-5-19 3840 Riverside Palm Canyon Colorado Desert Comment
  HSC101253  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  JEPS22575  Baileya pleniradiata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6207 Riverside 20 mi n of Desert Center (along the Parker Dam Highway from Rice to Desert Center, also 3-4 mi e of the e base of the Coxcomb Mts., Colorado Desert); Colorado Desert, Parker Dam Highway 243 Comment
  SBBG25795  Baileya pleniradiata E. R. Blakley 1966-4-9 6753 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  RSA736801  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC51597  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  UC68958  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5969 Riverside Colorado Desert, Chuckawalla Mts. Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  CLARK-A1528-5635  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  JOTR32894  Bernardia incana La Doux, Tasha, E. Babich 2008-3-5 3017 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 3mi NE of Cottonwood Visitor Center; open rocky bajada/pediment 1085 Comment
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Jan 19 2014
  SD51809  Bernardia incana Rimo Bacigalupi, L. R. Heckard 1953-5-5 4075 Riverside Along the Palms to Pines Highway, above Seven Level Hill, western slopes of Deep Canyon, about half way between the Santa Rosa Mountains and the San Jacinto Mountains. Comment
  UCR89595  Bernardia myricifolia Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  UCSB38716  Bernardia myricifolia Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy. 74 from jct. with Hwy. 111 at Indian Wells 950 Comment
  UCR126380  Blennosperma nanum var. nanum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 689 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA736708  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  JOTR30679  Boerhavia triquetra Andre, Jim, Tasha La Doux 2008-9-13 10264 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  RSA781885  Boerhavia triquetra Duncan S. Bell 2011-10-22 3003 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
  JOTR32597  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
  RSA0088439  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2011-7-4 17180 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  IRVC27684  Bothriochloa barbinodis A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15871 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  RSA0120018  Bothriochloa barbinodis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9069 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA262062  Bothriochloa barbinodis E. W. Lathrop 1966-3-23 6086 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. Comment
  UCR265471  Bouteloua aristidoides Jordan Zylstra 2014-8-17 14025 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCSB28161  Bouteloua aristidoides Blakely, E. 1961-9-12 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  RSA0018894  Bouteloua barbata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6030 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  SEINET4560370  Bouteloua barbata Aaron C. Sedwick, Cody Leslie 2012-1 120 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~ 3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft 243 Comment
  SEINET11687202  Bouteloua barbata W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5194 Riverside Eagle Mountains Comment
  CHSC109259  Bowlesia incana Scott D. White; Justin M. Hood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  SEINET3246025  Bowlesia incana A. C. Sanders, T. B. Salvado, Matthew Malle, Jonas Winbolt. Katie A. Kurtz 2010-1 37696 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
  UCR207519  Bowlesia incana O. F. Clarke 2004-2-20 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA463718  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 -1 Riverside Vista Grande Road (3508) 1.0 mi. E of Banning-Idyllwild Road (SH243). Comment
  CLARK-A1528-5384  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  HSC25953  Brandegea bigelovii R. W. Spjut 1972-1-6 2109 Riverside Colorado Desert, 8 mi. N on Eagle Mtn. Rd. from Jct. of Hwy. 10 305 Comment
  RSA259948  Brandegea bigelovii P. A. Munz 1940-3-23 15674 Riverside north end of Pinto Basin 610 Comment
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UC194837  Brandegea bigelovii S. B. Parish 1916-5-13 10849 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 792 Comment
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Oct 9 2010
  UCR24123  Brandegea bigelovii John C. Roos 1967-11-18 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  UCSB9114  Brandegea bigelovii Chisaki, Francia; Kamb, Peter 1952-4-9 Riverside Box Canyon, road from Mecca to Blythe Comment
  CAS-BOT-BC36843  Brassica tournefortii J. Beley 1974-2-22 0462 Riverside 2 miles east of Cabazon. Comment
  RSA0112087  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. 452 Comment
  RSA278954  Brassica tournefortii B. A. Prigge, L. Martinez 1978-3-23 2397 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Road 274 Comment
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  UCR102744  Brassica tournefortii B. G. Pitzer 1998-2-1 3443 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR202770  Brassica tournefortii Judy Gibson 2008-3-17 s.n. Riverside Sonoran (Colorado) Desert, city of Palm Desert, Sun City retirement community on Westridge Ave, c. 100 yards soputh of Grape Arbor Ave 34 Comment
  RSA0028769  Brassica tournefortii T. J. Glenn 1988-1-7 s.n. Riverside Off Snow Creek Road, Palm Springs Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  CAS-BOT-BC106191  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  RSA759123  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-15 TC- 926 Riverside Peninsular Ranges; Santa Ana Mountains region Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  UCR14996  Brodiaea terrestris subsp. kernensis Kirk Taylor 1976-5-23 76-5-23 16 Riverside Peninsular Range; Santa Ana Mtns., Mesa de Colorado, 9 mi west of Murrieta on Tenaja Rd. 549 Comment
  RSA561879  Bromus arenarius Steve Boyd, Timothy S. Ross 1992-6-10 7630 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
  POM254898  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 3 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA78185  Bromus berteroanus J. C. Roos, L. Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon, south of Palm Spriings. 274 Comment
  RSA775445  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4447 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64313 487 Comment
  UCR156299  Bromus diandrus T. B. Salvato, Kent Beaman 2005-5-16 832 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
  RSA689702  Bromus grandis Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1697 Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  UCSB9690  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  UCR234258  Bromus rubens A. C. Sanders 2012-4-12 40032 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  POM46957  Bromus rubens Mary F. Spencer 1918-1 828 Riverside Palm Springs. 137 Comment
  RSA498389  Caesalpinia virgata T. W. Minthorn 1926-5-13 s.n Riverside East of Banning Comment
  UC192964  Caesalpinia virgata S. B. and W. F. Parish Mar 1884 591 Riverside Colorado Desert Comment
  UC279670  Caesalpinia virgata unknown 1925-12-18 Riverside Fish Traps near Oasis Comment
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Feb 3 2011
  UCR214896  Calandrinia ambigua A. C. Sanders 2010-3-23 37532 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR137481  Calandrinia ciliata D. L. Banks 1997-3-16 1543 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR183336  Calandrinia ciliata Mitch Provance 2003-4-26 9882 B 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
  UCR60549  Calandrinia ciliata var. menziesii R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  SD181490  California macrophylla Steve Boyd 2001-4-12 10401 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  UCR131460  Calocedrus decurrens June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  UCSB9237  Calocedrus decurrens Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, parking area at foot of San Jacinto Peak trail 1767 Comment
  CAS-BOT-BC483419  Calochortus invenustus R. Bacigalupi 1925-7-2 1243 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1767 Comment
  RSA0066239  Calochortus invenustus Anstruther Davidson 1876-07 s.n. Riverside Strawberry Valley. 1219 Comment
  RSA692245  Calochortus splendens Scott D. White, Michael Honer 2003-5-27 9405 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR183010  Calochortus splendens Mitch Provance 2003-5-5 4427 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  UCR87620  Calochortus splendens A. C. Sanders 1994-5-30 14608 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA502191  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3719 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA689609  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-27 9412 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  SD71847  Calochortus weedii var. weedii Helen V. Witham 1969-7-2 206 Riverside Near Sandia Creek, on road from De Luz to Murietta 299 Comment
  POM13118  Calycadenia tenella Philip A. Munz 1922-5-19 5337 Riverside 5 miles NE of Murietta. 488 Comment
  RSA336171  Calycadenia tenella R. F. Thorne 1978-5-21 52002 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR21916  Calycadenia tenella Steve Boyd 1980-5-8 217 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  SD133195  Calycoseris parryi Scott White 1991-5-13 91 89 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  SBBG104076  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside within 0.5 mi of McCoy Spring 243 Comment
  SEINET7063457  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  SEINET7063460  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley. UTM Zone 11, 497479mE, 3743001mN. (WGS84/NAD83). 442 Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UC218071  Calyptridium monandrum Munz and Johnston 1922-5-19 5365 Riverside 5 mi ne of Murietta 457 Comment
  UCR154742  Calyptridium monandrum T. B. Salvato, Kent Beaman 2005-5-16 777 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
  UCR177643  Calyptridium monandrum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SEINET215201  Calystegia J. C. Lee 1966-4-9 24 Riverside Highway 74, Elsinore. 305 Comment
  RSA552687  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Orlando Mistretta, Bob Boyd 1992-2-26 6695 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  POM66476  Camissonia arenaria Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
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Mar 27 2010
  RSA465924  Camissonia bistorta Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  RSA465944  Camissonia bistorta Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains Comment
  UCR174163  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32640 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
  RSA777538  Camissonia boothii subsp. condensata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 898 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SEINET3093077 Image available Camissonia boothii subsp. desertorum Norman C. Cooper 1949-4-8 3298 Riverside Desert Center. Comment
  RSA135155  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11747 Riverside Colorado Desert, US Highway 95, 8.6 miles N of Blythe. Comment
  UCR6057  Camissonia brevipes subsp. brevipes Steve Stadler 1966-2-27 22766- 18 Riverside Sonoran (Colorado) Desert, c. 2.9 mi. west of Chiriaco Summit, frontage road 1 mile from Desert Center to Indio Road & Joshua Tree Monument to Mecca Road 488 Comment
  UCR102924  Camissonia californica George K. Helmkamp 1998-2-5 2641 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR177394  Camissonia californica John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  JOTR16756  Camissonia campestris subsp. campestris Hogan, J. 1974-6-24 177 Riverside Joshua Tree National Park. .7 MILES WEST OF BARRICADE AT UPPER COVINGTON FLAT 1524 Comment
  RSA160027  Camissonia cardiophylla David B. Dunn 1946-2-22 1964 Riverside All American Canal catch basin from desert washes. Orocopia Mts. north east of the Salton Sea. Comment
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May 24 2012
  JOTR32445  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UCR166848  Camissonia claviformis 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
  UCR214868  Camissonia claviformis A. C. Sanders 2010-3-15 37398 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  SEINET3093303 Image available Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2655 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR87657  Camissonia hirtella A. C. Sanders 1994-3-29 14572 Riverside San Bernardino Mtns, E branch Millard Canyon, along FS Road 4S45 1200 Comment
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA770290  Camissonia pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4750 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65131 604 Comment
  POM14635  Camissonia pallida subsp. pallida P. A. Munz, D. Keck 1922-4-14 4976 Riverside East of White Water Ranch. 244 Comment
  RSA454106  Camissonia strigulosa N. C. Cooper 1944-4-23 1102 Riverside Banning. 701 Comment
  UC219287  Camissonia strigulosa P. A. Munz and I. M. Johnston 1922-5-20 5466 Riverside Kenworthy San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UCR127351  Camissonia strigulosa A. C. Sanders, D. Malueg 2003-5-8 26561 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UC147300  Camissoniopsis hirtella H. M. Hall June 1901 2089 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  UCR265606  Camissoniopsis hirtella Jordan Zylstra 2014-3-18 14009 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCSB4380  Camissoniopsis hirtella Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  OBI29872  Camissoniopsis ignota Melissa Luckow, Rhonda Riggins 1982-4-15 829 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UCR181665  Cardamine hirsuta Chet McGaugh 2006-12-12 s.n. Riverside Riverside, Arlington Heights area near Mockingbird Reservoir, Monroe St. at Irving St. 320 Comment
  CDA6876  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside National Orange Company property, east extension of Palmyrita Avenue, 2.5 miles east of Iowa Avenue, Highgrove. 0 Comment
  RSA770448  Carex alma Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4560 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD169811  Carex barbarae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 537 Comment
  CAS-BOT-BC20704  Carex fracta Carl B. Wolf 1932-8-5 3983 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  RSA364634  Carex fracta M. B. Dunkle 1933-7-19 3682 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA797495  Carex multicaulis Keith E. Hoffmaster 1937-7-5 829 Riverside Fern Valley, San Jacinto Mtns Comment
  SEINET3101946  Carex multicaulis Marc A. Baker, Michelle Cloud-Hughes 2011-6-13 17380 Riverside San Jacinto Mountains, 1km north of Idyllwild, 2km WSW of Suicide Peak. 1925 Comment
  RSA750736  Carex praegracilis Scott D. White, Justin M. Wood 2009-5-22 12901 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SEINET7572181 Image available Carex praegracilis Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at the southeastern base of "Rocky Bluff Ridge", east of Estelle Mountain and south of the Gavilan Plateau. 610 Comment
  CHSC106621  Carex sartwelliana P. F. Zika; Nick Otting 2010-8-6 25299 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest. 1910 Comment
  POM19849  Carex sartwelliana Mary F. Spencer 1923-6-12 2164 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  POM47442  Carex senta Mary F. Spencer 1919-7-6 1263 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA559313  Carex spissa Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCSB37818  Carthamus tinctorius Oscar F. Clarke 1968-12-16 Riverside collected in University of California Riverside Greenhouse Comment
  UCD122169  Castilleja affinis A. C. Sanders; T. B. Salvato 2001-5-3 24084 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA448712  Castilleja applegatei subsp. martinii Christopher Davidson 1977-5-18 5628 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UC1552094  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside s of Lake Hemet (on Hwy 74, Thomas Mountain Rd, from n to s, w of Garner Valley) 1676 Comment
  CLARK-A1528-4178  Castilleja foliolosa John C. Roos 1952-2-29 5375 Riverside Reche Canyon Comment
  UCR178025  Castilleja foliolosa Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 038 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UC857440  Caulanthus cooperi K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Highway near road to Shumway; near road to Shumway Comment
  UCR250880  Caulanthus heterophyllus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1045 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCSB9774  Caulanthus heterophyllus Haller, John 1957-3-23 Riverside Morongo wash, ca. 4.5 road miles N of U.S. 99 and 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  UCR108392  Caulanthus lasiophyllus D. L. Banks, V. W. Steinmann 1997-3-13 1468 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
  UCR265570  Caulanthus simulans Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 9 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  SBBG71349  Ceanothus cordulatus M. N. Ackley 1929-5-19 Riverside Idyllwild 1676 Comment
  SD229234  Ceanothus cordulatus Dick Schwenkmeyer 2012-6-27 748 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  SEINET238728  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area: Black Mtn. along road up north side (Bachelor Mtn.) 884 Comment
  UC1071027  Ceanothus crassifolius R. St. John 1930-3-16 106 Riverside Lakeview Mountains 609 Comment
  UCR225190  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR87946  Ceanothus crassifolius A. C. Sanders 1994-1-30 14225 B Riverside Box Springs Mtns., Crest of range along the pole line trail from the head of Two Trees Canyon to head of Big Springs Canyon 686 Comment
  UCR98060  Ceanothus crassifolius A. C. Sanders 1997-3-1 19728 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  SBBG34965  Ceanothus leucodermis T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns 1463 Comment
  UCR268306  Ceanothus leucodermis Jim Andre 2012-6-15 30511 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 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
  RSA0019575  Ceanothus megacarpus var. megacarpus Orlando Mistretta 1992-6-10 517 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. 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
  SD136768  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7909 Riverside Agua Tibia Wilderness Area, Cleveland National Forest. Palomar Range south of Vail Lake at north base of Agua Tibia Mountain. Along trail extenting south from end of Woodchuck Road 792 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UC1611572  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7912 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 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
  UC1178628  Ceanothus palmeri Peter Kamb 1948-7-4 1158 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA0019593  Ceanothus palmeri Keith E. Hoffmaster 1937-6-6 776 Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC51924  Ceanothus perplexans H. E. McMinn 1925-7-1 1460 Riverside Jack Rabbit Grade to San Jacinto from Banning Comment
  UCR5997  Ceanothus tomentosus Robert A. Clark 1966-3-19 031966- 09 Riverside Santa Ana Mtns, Sky Line Drive 4 miles from entrance off Chase Ave 762 Comment
  CAS-BOT-BC63258  Ceanothus tomentosus var. olivaceus Robinson; Crocker 1916-3-29 s.n. Riverside Near Murrietta. Santa Ana Mts. Comment
  RSA14152  Celtis reticulata R. C. Bacigalupi 1935-6-27 2358 Riverside 1/4 mi. up small canyon at head of 16th St., Banning. Comment
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Mar 13 2011
  UCR42633  Cenchrus echinatus David J. Keil 1980-11-30 s.n. Riverside Sonoran (Colorado) Desert, Vicinity of Indio, agricultural area 15 Comment
  UC30938  Centaurea melitensis Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  POM256954  Centaurium venustum W. Pequegnat 1940-6-12 s.n. Riverside 1/2 mile N of Ortega Hwy, Santa Ana Mts. Comment
  RSA554092  Centaurium venustum R. Montijo 1991-7-10 91 -19 Riverside Santa Rosa Plateau, Avenida Escalera, N of Tenaja Road and ca. 1 mile NE of Squaw Mountain. 610 Comment
  RSA773104  Centaurium venustum Duncan S. Bell, Joy England 2010-6-14 1296 B Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  SD122987  Centromadia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Keith Rd., just east of the Bear Creek development golf course (mak 10/07) Comment
  RSA614182  Cerastium glomeratum D. L. Banks 1997-2-17 1276 Riverside NW Palomar Mountains, Agua Tibia Mountains: Burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  UCR241486  Cerastium glomeratum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 223 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA405366  Cercidium floridum Elbert Benjamine 1929-3-6 140 Riverside Box Canyon, Coachella Valley. Comment
  UC52162  Cercidium floridum subsp. floridum E. E. Schellenger 1903-6 6 Riverside Chucawalla Bench Colorado Desert Comment
  JOTR30646  Cercocarpus betuloides var. betuloides La Doux, Tasha, Erin Babich 2008-4-21 1807 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  JOTR30772  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  CAS-BOT-BC279537  Chaenactis artemisiifolia Edmund C. Jaeger 1932-5-12 s.n. Riverside Aguanga 600 Comment
  JOTR31896  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2145 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  POM47487  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1920-4-4 1444 Riverside In desert sand near entrance to Tahquitz Canyon. 183 Comment
  UCR72241  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-2 91- 128 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  JEPS30923  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mi E of Banning Comment
  RSA33655  Chaenactis fremontii N. C. Cooper 1944-3-25 996 Riverside Cabazon 549 Comment
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Nov 22 2011
  UC579464  Chaenactis fremontii H. S. Yates 1936-4-7 5426 Riverside near Whitewater; San Jacinto 304 Comment
  UC63006  Chaenactis fremontii W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1850 Riverside e base San Jacinto Mt. 914 Comment
  CAS-BOT-BC277403  Chaenactis glabriuscula var. glabriuscula Palmer Stockwell 1935-5-13 1223 Riverside 5 miles south of Temecula Comment
  CDA10719  Chaenactis glabriuscula var. glabriuscula T. C. Fuller 1964-4-14 11822 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA615322  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  RSA619539  Chaenactis glabriuscula var. glabriuscula Darin L. Banks 1997-5-5 1988 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
  UC124597  Chaenactis glabriuscula var. glabriuscula Geo. R. Hall 1908-1-1 8486 Riverside Riverside Comment
  SBBG25120  Chaenactis stevioides D. Myrick 1966-4-5 1382 Riverside US Hwy 60, ca. 5 mi W of Blythe Comment
  RSA793610  Chamaesyce Duncan S. Bell, Aaron Sedgwick 2012-9-13 4203 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  POM432476  Chamaesyce pediculifera M. B. Dunkle 1933-5-6 3449 a Riverside Painted Canyon Comment
  JEPS88970  Chamaesyce polycarpa Ethel Rockwell 400 Riverside northwest Colorado Desert, Edom Comment
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Sep 7 2011
  POM47251  Chamaesyce polycarpa Mary F. Spencer 1920-5-19 1563 Riverside Near Palm Springs 152 Comment
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Aug 27 2011
  RSA774724  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4504 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA774924  Chamaesyce polycarpa Duncan S. Bell 2011-4-7 2168 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
  RSA775100  Chamaesyce polycarpa Duncan S. Bell, Michael Hee 2011-3-18 2053 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  JOTR34999  Chamaesyce setiloba La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3101 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale 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
  POM6793  Cheilanthes clevelandii Anonymous 1886-5-31 s.n. Riverside Banning Comment
  JOTR28820  Cheilanthes covillei La Doux, Tasha 2003-9-4 1088 Riverside Joshua Tree National Park. Queen Mountains, Barker Dam (Stop 3) Comment
  POM115608  Cheilanthes covillei A. M. Alexander, Louise Kellogg 1941-5-21 2211 Riverside Colorado Desert: north slope of Eagle Mountains 1280 Comment
  POM12945  Cheilanthes covillei P. A. Munz, I. M. Johnston 1922-5-19 5400 Riverside San Jacinto Canyon, about rocks at mouth of Strawberry Creek. 823 Comment
  RSA772849  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4842 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
  UC708735  Cheilanthes covillei H. K. Wagnon 1944-3-8 310 Riverside 1/4 mi s Trading Post (along w side of stream); Palm Canyon Comment
  RSA685781  Cheilanthes newberryi M. B. Dunkle 1935-3-10 4359 Riverside Near Abernathy, Temescal Canyon 274 Comment
  SEINET272413 Image available Cheilanthes newberryi A. C. Sanders, G Helmkamp 1997-3-15 19917 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 567 Comment
  UCR12622  Cheilanthes newberryi R. P. Sunderman 1968-4-26 4 Riverside Peninsular Range, Riverside; UCR campus 396 Comment
  POM9704C  Cheilanthes parishii W. F. Parish 1881-03 s.n. Riverside Andreas Canyon Comment
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Oct 27 2014
  RSA775665  Cheilanthes parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 814 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 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
  UC42427  Cheilanthes viscida S. B. Parish and W. F. Parish Jan. 1880 Riverside n of Palm Springs (Whitewater Canyon) Comment
  UCR120310  Chenopodium Mitch Provance 1997-6-18 1102 Riverside City of Riverside, Riverside Community College, between the NE (back) parking lot and Prospect Dr. 244 Comment
  CSUSB1591  Chenopodium album Deborah Sullivan 1973-7-4 Riverside Glen Avon Glen Avon 243 Comment
  RSA736908  Chenopodium album Scott D. White, Angelia Carey 2004-7-2 10555 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD187392  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside Indian Creek and adjacent foothills. 548 Comment
  CLARK-A1528-407  Chenopodium ambrosioides Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR113757  Chenopodium berlandieri var. zschackei Mitch Provance 2000-7-30 2174 B Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR167303  Chenopodium botrys Scott D. White, Jennifer H. Jones 2005-5-24 11093 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UC1929614  Chenopodium californicum Scott D. White 2003-3-21 8798 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 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
  UCR115126  Chenopodium missouriense Mitch Provance 2000-10-28 2283 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  JEPS59753  Chenopodium murale W. L. Jepson 1901-5-16 1224 Riverside Riverside 266 Comment
  UCR181628  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  SD237355  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast: San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden. 449 Comment
  SEINET10457924  Chilopsis linearis David B. Dunn, A. Folsom 1948-6-17 Dunn 3820 Riverside At camp in Pushawalla canyon under palms. Below quad 6; near the mouth of the canyon. Comment
  SEINET12271194  Chilopsis linearis L. S. Rosa 1936-1 36793 Riverside Palm Canyon Desert Comment
  POM202929  Chilopsis linearis subsp. arcuata L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  SD258903  Chilopsis linearis subsp. arcuata Sarah J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave, Desert Hot Sprinds area, vicinity of Morongo Creek 495 Comment
  UC21646  Chimaphila menziesii H. M. Hall 1897-6-16 646 Riverside San Jacinto Mts. Comment
  UC218020  Chimaphila umbellata P. A. Munz 1922-7-7 6055 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2133 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
  UCD57941  Chloris virgata H. B. Richardson 1941-2-17 s.n. Riverside Riverside at Date Gardens, Coachella Valley. Comment
  RSA0049539  Chlorogalum parviflorum Steve Boyd, David E. Bramlet 1990-4-29 4512 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA607322  Chorizanthe R. S. Woglum 1939-4-11 2214 Riverside Sonoran Desert: near Rice, east portal, Coxcomb Tunnel. . Comment
  CAS-BOT-BC191716  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-3-30 6563 Riverside 8.1 miles E of Cactus City, about 20 miles E of Coachella. Colorado Desert 426 Comment
  UCR278090  Chorizanthe coriacea Tim Searl 2011-6-4 s.n. Riverside Gavilan Hills, Kamlin Mission Church property, c. 5.7 miles west of Perris and c. 0.5 mile west of Steele Valley 686 Comment
  SBBG1404  Chorizanthe corrugata H. and M. Dearing 1940-1-1 4071 Riverside below Painted Cyn near Mecca Comment
  SBBG89136  Chorizanthe fimbriata L. F. LaPre 1988-6-2 Riverside Indian Truck Trail S end of wash which crosses unser de Palma Rd ( frontage rd to Interstate-15) near Glen Eden Resort 365 Comment
  RSA388500  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR215795  Chorizanthe leptoceras Anuja Parikh 1990-5-12 167 Riverside north of Agua Tibia Wilderness, south of Dripping Springs Campgrouns, 1.0 km south of Hwy 79, 2.8 km east of Woodchuck Road 494 Comment
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Mar 9 2014
  UCR24615  Chorizanthe leptoceras T. P. Krantz, G. Krantz, K. Berg 1980-4-24 s.n. Riverside San Jacinto River, one mile east of Valle Vista, just north of Highway 74 Comment
  UC52644  Chorizanthe leptotheca H. M. Hall 1901-7-1 2255 Riverside Fuller's Mills Mountains San Jacinto Mountains, , w end (San Jacinto Mountains, w end) 1584 Comment
  UCR35075  Chorizanthe leptotheca L. B. Ziegler 1966-7-5 51 Riverside San Jacinto, Dry slopes and disturbed soil near Hemet Lake 1372 Comment
  POM122120  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  POM13938  Chorizanthe polygonoides var. longispina Charlotte M. Wilder 1905-5-29 621 Riverside West Riverside Comment
  RSA588985  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley reserve/SE corner of Lake Skinner Co. Park. Site is saddle overlooking Upper Part of Long Canyon. approximpatly 488m. SE of the park entrance road and adjacent (N.) of the equestrian trail. 526 Comment
  UCD170170  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2400 Riverside Perris-Aguanga Basin region: Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenace road, approx. 671m E of the entrance road, at junction of maintenace road and road to Tucalota Creek. 476 Comment
  UCR228837  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-27 39336 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR213548  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  SBBG37956  Chorizanthe watsonii T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  RSA708568  Chorizanthe xanti var. leucotheca Scott D. White, Jennifer H. Jones 2005-5-24 11098 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 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
  RSA680514  Chrysanthemum parthenium Scott D. White, Teresa B. Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8639 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CAS-BOT-BC36263  Chrysolepis sempervirens Louis C. Wheeler 1931-10-3 239 Riverside 1/2 mi. NE Tahquitz Peak, San Jacinto Mts. 2590 Comment
  UCSB1020  Chrysolepis sempervirens White, Arthur 1960-5-14 Riverside Black Mountain lookout, 15 mi. N. of Idyllwild 2133 Comment
  UCSB11821  Chrysolepis sempervirens Creighton, B. 1961-5-6 Riverside at upper end of road to Black Mtn. Lookout, which begins 6.5 miles northeast of Banning-IdylIwild road, 18.2 miles south of Banning, San Jacinto Mountains 2286 Comment
  RSA696808  Chrysothamnus teretifolius J. Russell Bruff 1928-12-4 s.n. Riverside Split Rock Comment
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Oct 23 2011
  UCD103856  Chylismia claviformis G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2713 Riverside Colorado Desert. Midland Road, 3.8 miles SE of Midland, Little Maria Mountains. Comment
  CAS-BOT-BC160581  Chylismia claviformis subsp. aurantiaca Barry Prigge; L. Martinez 1978-3-23 2402 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  CAS-BOT-BC160609  Chylismia claviformis subsp. aurantiaca John C. Angsbury 1930-1-1 s.n. Riverside Indio Comment
  CAS-BOT-BC160629  Chylismia claviformis subsp. aurantiaca Aven Nelson; Ruth A. Nelson 1939-3-22 3215 Riverside Near Palm Springs, hiway 99 Comment
  UC1184366  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside alluvial fan Fargo Canyon Comment
  UC1184381  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11626 Riverside just w Blythe Air Field Comment
  UCD103919  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  CAS-BOT-BC284392  Cirsium arvense Grace Cole Fleischman 1956-11-1 s.n. Riverside Corona District, Temescal Canyon Comment
  UCR178415  Cirsium vulgare John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA357788  Cistanthe monandra R. F. Thorne, M. Z. Thorne 1973-3-30 42685 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR133448  Clarkia dudleyana Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 451 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR243129  Clarkia dudleyana Kate Kramer 2012-5-25 262 Riverside San Jacinto Mtns., along Highway 243, between Poppet Flats Road and Vista Grande Fire Station 1381 Comment
  UCR91640  Clarkia epilobioides D. L. Banks, Steve Boyd 1995-5-9 0381 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA526131  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross 1990-5-11 4644 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
  UC69181  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1905 6240 Riverside Box Springs Mt. vicinity of Riverside (e base); Box Springs Mt., vicinity of Riverside 609 Comment
  SEINET6944613  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  UCR265841  Clarkia rhomboidea Mitch Provance 2012-5-24 512- 24 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA586801  Claytonia parviflora subsp. parviflora D. L. Banks, Steve Boyd 1995-5-3 0239 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR166159  Claytonia perfoliata 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
  POM188067  Clematis ligusticifolia L. Crutcher 1933-8-19 20 Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  RSA386287  Clematis pauciflora Jean Carnine 1932-3-28 s.n. Riverside San Jacinto Mountains. Comment
  RSA84468  Clematis pauciflora F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 427 Comment
  SEINET244779  Clematis pauciflora A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-8 24203 Riverside Perris-Aguanga Basin; S of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR121329  Clematis pauciflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24990 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UCR138641  Clematis pauciflora D. L. Banks 1997-2-17 1267 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA543191  Cleome isomeris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6111 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA556486  Cleome isomeris Julie Greene 1993-3-13 1050 Riverside West of Poleline Rd. 457 Comment
  OBI29874  Collinsia concolor Melissa Luckow, Rhonda Riggins 1982-4-15 827 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UCR24900  Collinsia concolor A. C. Sanders 1980-7-18 1630 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR48510  Collinsia heterophylla Steve Boyd 1986-4-2 1616 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC1608302  Collinsia parryi Steve Boyd and Orlando Mistretta 1992-4-23 7072 Riverside following San Mateo Trail upstream to confluence with Bluewater Canyon (along San Mateo Creek from Riverside County line, San Mateo Canyon Wilderness Area, Southern Santa Mts); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 243 Comment
  RSA0117390  Collinsia parryi E. W. Lathrop 1969-5-8 7014 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  JOTR35330  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  UCR14976  Colubrina californica A. C. Sanders 1976-5-21 578 Riverside Sonoran (Colorado) Desert, McCoy Spring, McCoy Mtns. Comment
  SBBG87666  Condea emoryi D. Charlton 1988-2-18 1188 Riverside S side of Cottonwood Wash, 5 mi E of jct Dillon Rd and Fargo Cyn Rd 762 Comment
  HSC85291  Convolvulus simulans Steve Boyd 1986-5-1 1810 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  CLARK-A1656-875  Conyza canadensis Jim Cornett 1977-9-23 Riverside Palm Springs 149 Comment
  RSA50573  Cordylanthus nevinii E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  UC218232  Cordylanthus nevinii P. A. Munz 1922-9-7 6408 Riverside on trail to Hidden Lake; San Jacinto Mts 2346 Comment
  UCR58305  Cordylanthus rigidus George K. Helmkamp 1989-10-7 s.n. Riverside San Bernardino Mtns., N edge of the fish hatchery in Whitewater Canyon, north of I-10 700 Comment
  RSA412303  Cordylanthus rigidus subsp. setiger M. M. Thompson 1947-8-21 C- 2059 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM223247  Cornus nuttallii M. Canby 1936-5-3 s.n. Riverside North Fork of San Jacinto River above Fuller Mill Creek. Comment
  UCSB4678  Cornus nuttallii Ralph, F. 1959-5-16 Riverside In canyon, along road to Dark Canyon Campground; in San Jacinto Mtns.; near Idyllwild 1676 Comment
  UCR159764  Cotula australis Scott D. White 1999-5-2 7286 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  SEINET272372  Cotula coronopifolia A. C. Sanders, G Waines; Et Al 1997-3-12 19897 Riverside Lake Skinner area; Upper Rawson Cyn 2.5 mi NNE of Lk. Skinner 1 mi SW of Crown Valley. UTM 10km cell: MH-9E 2N. Dom 595 Comment
  CAS-BOT-BC427597  Crassula aquatica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  RSA0019000  Crassula aquatica Steve Boyd, Gary D. Wallace 2005-7-30 11654 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  SD122942  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  SD137802  Crocanthemum aldersonii Darin L. Banks, Steve Boyd 1995-6-2 572 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tiobia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  CAS-BOT-BC175816  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Along road between Morongo Valley and Coachella Valley Comment
  CAS-BOT-BC181566  Crossosoma bigelovii Theodore Labouchere 1915-4-15 236 Riverside Tahquitch Canyon, borders of the Colorado Desert on the easterly side of San Jacinto Mountain Comment
  POM171375  Crossosoma bigelovii Marcus E. Jones 1929-03 s.n. Riverside Whitewater Creek. Comment
  SEINET10483986  Crossosoma bigelovii Betty Venrick 1961-3-17 Venrick 506 Riverside White Water Canyon, 1/2 mile below fish hatchery. San Bernadino Mt. range. Drainage area: Salton Sea. Veg. type: Colorado desert. Soil granitic 762 Comment
  JOTR35016  Croton californicus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3114 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  LA204989  Croton californicus Elizabeth McClintock; 1938-4-9 sn Riverside Soboba Indian Reservation, San Jacinto Comment
  POM87335  Croton californicus Marcus E. Jones 1903-5-11 A.M. Riverside Banning. 701 Comment
  SBBG67680  Croton californicus M. N. Ackley 1928-3-11 353 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UC1776823  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy 111, 1 km NW of Palm Springs (measured from the intersection with San Rafael Dr.) 215 Comment
  UCR21936  Croton californicus Steve Boyd 1980-5-11 244 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM87122  Croton californicus var. mohavensis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  POM87124  Croton californicus var. mohavensis Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  SEINET239045 Image available Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23107 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden H 433 Comment
  RSA613646  Cryptantha D. L. Banks, Victor Steinmann 1997-3-13 1473 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
  POM13896  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-8 4744 Riverside 1/2 miles E of Indio. -9 Comment
  RSA14032  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-14 4875 Riverside Indian Wells 107 Comment
  RSA79608  Cryptantha angustifolia F. W. Peirson 1928-3-10 7704 Riverside Flat areas where water had stood, near sand dunes W of Indio Comment
Read comments
Oct 23 2011
  SBBG6237  Cryptantha angustifolia H. and M. Dearing 1939-12-31 4052 Riverside near Indio Comment
  UCR102724  Cryptantha angustifolia B. G. Pitzer 1998-1-24 3410 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
  UCR214555  Cryptantha angustifolia A. C. Sanders 2010-3-15 37405 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  POM368288  Cryptantha barbigera Robert Gustafson 1983-3-27 2487 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA676166  Cryptantha barbigera Scott D. White 2001-4-3 8273 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  POM368291  Cryptantha barbigera var. fergusoniae T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  RSA0094855  Cryptantha barbigera var. fergusoniae Jim M. Andre 2012-4-11 20681 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  UCR137679  Cryptantha barbigera var. fergusoniae A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16133 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  LA204178  Cryptantha circumscissa var. circumscissa Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCR92342  Cryptantha corollata Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  SBBG34748  Cryptantha costata T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UCR216117  Cryptantha costata Jim Andre, T. La Doux 2009-2-25 10818 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR279375  Cryptantha decipiens A. C. Sanders, Jim Malusa 2017-3-24 42953 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA0081526  Cryptantha dumetorum Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17916 Riverside Rice Valley, lower bajada on the north side of the Big Maria Mountains, 11km WNW of Quien Sabe Point, 35km NNW of Blythe. 312 Comment
  RSA32420  Cryptantha intermedia N. C. Cooper 1944-4-21 1097 Riverside Banning 701 Comment
  RSA699341  Cryptantha intermedia J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA79564  Cryptantha intermedia F. W. Peirson 1913-04 1023 Riverside Whitewater at head of Coachella Valley. Comment
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  SD187374  Cryptantha intermedia Scott D. White 2004-5-7 10325 Riverside Indian Creek and adjacent foothills. 548 Comment
  UC551862  Cryptantha intermedia F. R. Fosberg 1932-5-9 10641 Riverside Sage 770 Comment
  UCR80812  Cryptantha intermedia Scott D. White 1993-5-29 1452 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA0075621  Cryptantha intermedia var. johnstonii J. Mark Porter, V. Soza, Gary Wallace 2001-4-2 12337 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  JOTR35287  Cryptantha maritima Andre, Jim 2012-4-11 20780 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCR112400  Cryptantha maritima A. C. Sanders, T. B. Salvato 2000-5-16 23392 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  RSA543584  Cryptantha microstachys Steve Boyd 1991-5-7 6166 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA543887  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA655219  Cryptantha microstachys Scott D. White 1999-6-6 7442 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA674928  Cryptantha microstachys Scott D. White, P. De Vries 2000-4-25 7724 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SD215429  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-22 6282 Riverside Vail Lake area, base of Agua Tibia Mountains, east of Dorland Mountain, west of Kolb Creek. 548 Comment
  VVC125  Cryptantha microstachys A. C. Sanders, J. Mac 1997-5-4 20647 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA678951  Cryptantha muricata Scott D. White, Michael Honer 2003-6-3 9464 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR52069  Cryptantha oxygona D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  GMDRC3752  Cryptantha pterocarya J. Andre, T. La Doux 2009-3-1 11255 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
  UC24725  Cryptantha pterocarya W. G. Wright 1889-1 1764 Riverside Colorado Desert Comment
  SDSU18709  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 67 Riverside Joshua Tree National Park. North side of Split Rock. 1294 Comment
  RSA0125985  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2016-3-4 8811 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  UCR41610  Cryptantha pterocarya var. cycloptera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6119 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SD247360  Cryptantha pterocarya var. pterocarya A. C. Sanders 1986-6-1 6536 Riverside San Jacinto Mountains; trail to Spitler Peak from Hurkey Creek Camp to Bonita Vista Road. 1835 Comment
  RSA0030699  Cryptantha pterocarya var. stenoloba J. Andre 2013-3-27 24800 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  POM13261  Cryptantha racemosa E. C. Jaeger 1922-3-4 1109 Riverside Painted Canyon near Mecca. Comment
  SD187394  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., north of Leon Rd. 550 Comment
  SEINET1910781  Cucurbita palmata R. E. Riefner Jr. 2006-1 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. 550 Comment
  LA210098  Cuscuta californica var. papillosa A. M. Johnson; 1933-4-28 4124 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  UC907578  Cuscuta californica var. papillosa Mary L. Bowerman 1950-3-20 4319 Riverside 1.6 mi sw Palms-to-Pines highway junction with Palm Springs highway (where outcrop by road, nw of Palms-to-Pines highway) 152 Comment
  UCR10500  Cuscuta indecora var. indecora O. F. Clarke 1970-10-7 s.n. Riverside Santa Ana River Valley, City of Riverside, river bottom (Santa Ana River), just west of Lake Evans, Fairmont Park. Comment
  UCR101885  Cyclospermum leptophyllum A. C. Sanders 1997-3-17 20005 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  SEINET4604333 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio 760 Comment
  LA204501  Cylindropuntia californica var. parkeri W. E. Pequegnat; 1939-8-18 51 Riverside Santa Ana Mountains Comment
  JOTR35426  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 132 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain, northwest of peak Comment
  RSA0031297  Cylindropuntia chuckwallensis Mitzi Harding, Marc A. Baker, Michelle Cloud-Hughes 2013-4-11 134 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  UCR20826  Cylindropuntia echinocarpa Don Emery 1980-5-15 s.n. Riverside Sonoran (Western Colorado) Desert, Coachella Valley, Devers Hill, near the So. Cal. Edison substation 305 Comment
  SD229117  Cylindropuntia ganderi Dick Schwenkmeyer 2012-10-16 852 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SD145973  Cylindropuntia prolifera A. C. Sanders, D. Malueg, K. D. Jones 2000-9-8 23645 Riverside Temecula Valley:gasline route on E edge of Temecula,ca. 2 km SW of Skunk Hollow & 1 km N of Nicolas Rd,N side of next arroyo N of Santa Gertrudis Creek,NE of elementary school.Bachelor Mt 7.5' quad.On 1300' hill,SW-facing bowl E of 'pipeline'. (IPB 8/07) 381 Comment
  SEINET4560613  Cynanchum utahense Duncan S. Bell 2009-1 273 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR244312  Cynanchum utahense Jim Andre 2012-4-15 20848 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  CAS-BOT-BC114418  Cyperus erythrorhizos A. C. Sanders; Dave Bramlet; M. Costea; T. B. Salvato 1999-10-15 23179 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail, 433 Comment
  SDSU14295  Cyperus involucratus Robin P. Silverstein, Taxonomy of CA Plants class, M. G. Simpson, instructor 2000-4-1 6 Riverside Santa Margarita Ecological Reserve. Next to concrete drainage, under telephone wire, east bank of river, 1/10 of a mile south of northside Field Station. 244 Comment
  UCR77750  Cyperus odoratus Steve Boyd 1991-7-13 6409 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
  UCR14391  Cyperus rotundus George K. Helmkamp 1974-7-14 s.n. Riverside Riverside, Massachusetts at Iowa Street Comment
  UC489280  Cystopteris fragilis C. V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt 2987 Comment
  CSUSB1282  Dalea californica Tony Beck 1968-4-28 680428 5 Riverside Colorado Desert West Colorado Desert. 4 miles south of trout farm on Whitewater Canyon Road. About 100 yards east of the road in dry, sandy soil. 548 Comment
  POM128977  Dalea mollis E. E. Schellenger 19 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA0030698  Dalea mollis Jim Andre 2013-3-27 24799 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA774929  Dalea mollis Duncan S. Bell 2011-4-7 2163 Riverside Northwest side of the Arica Mountains; just south of the Colorado River Aqueduct at the end of the Aqueduct access road. 283 Comment
  UC1563095  Dalea mollis Steve Boyd and Orlando Mistretta 1986-3-13 1428 Riverside n.e. Desert Center (juction of Parker Dam Rd. and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges)); Palen Mts. 243 Comment
  UCR166721  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UC1176848  Dalea mollissima Lewis S. Rose 1959-1-10 59007 Riverside La Quinta 15 Comment
  POM114602  Dasyochloa pulchella Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA91542  Dasyochloa pulchella F. W. Peirson 1928-3-10 7711 Riverside Small side canyon in which Hidden Spring is located, northeast of Mecca Comment
  UCR90587  Datisca glomerata Scott D. White 1995-6-29 3381 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  GMDRC5489  Datura discolor J. Andre 2012-4-16 20899 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  RSA0063033  Datura meteloides Andrew Haimov, April Sleigh 1992-5-19 91 Riverside West side of Davis Road, 1 mile south of Allessandro Road. Comment
  CAS-BOT-BC520457  Datura wrightii Mitch Provance 2012-9-11 17620 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  RSA0088549  Datura wrightii Phung Hoang 2016-4-9 18 Riverside LA basin, White water canyon reserve. 536 Comment
  RSA421892  Datura wrightii F. A. Thackery 1928-4-25 180 Riverside Indio. Comment
  UCR22103  Datura wrightii Steve Boyd 1980-5-15 282 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC294110  Deinandra kelloggii H. M. Hall 1905-6-1 6239 Riverside Hills east of Riverside Comment
  CAS-BOT-BC294112  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside. Gavilan Hills s.e. of Riverside 365 Comment
  SD232184  Deinandra mohavensis V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacintio Mountains region: McCall Memorial Park Campground. 1310 Comment
  UC1929633  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region; McCall Memorial Park Campground. 1311 Comment
  UC2030093  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  CAS-BOT-BC523916  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -304 Riverside City of Riverside, Moreno Valley,Box Springs Blvd., at Sycamore Canyon Blvd., W of 215-Freeway 483 Comment
  CAS-BOT-BC33221  Delphinium parishii Samuel Bonsal Parish 1882-4-1 1222 Riverside Agua Calienta (annotated as Palm Springs) Comment
  UC64115  Delphinium parishii H. M. Hall 1897-4-17 469 Riverside Whitewater Comment
  RSA0020482  Delphinium parishii subsp. parishii L. Haines, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
  RSA561019  Delphinium parryi Steve Boyd 1992-5-4 7191 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC855078  Dendromecon rigida I. W. Clokey and E. G. Anderson 1935-8-21 6638 Riverside w Black Mountain (along road) 1500 Comment
Read comments
Nov 20 2010
  UCR173144  Dendromecon rigida Abby Sirulnik 2000-5-7 30 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  UCD159795  Deschampsia cespitosa Naomi Fraga; Steve Boyd 2007-9-5 1944 Riverside Transverse Ranges: San Bernardino Mountains region: San Gorgonio Wilderness, South Fork Meadow. 2561 Comment
  UCR75544  Deschampsia danthonioides A. C. Sanders 1993-5-12 14017 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  RSA500069  Descurainia pinnata subsp. glabra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3242 Riverside Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 487 Comment
  CAS-BOT-BC402296  Dicentra chrysantha Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA317  Dicentra chrysantha J. T. Howell 1928-7-7 1034 Riverside Near Glen Ivy. 457 Comment
  RSA433550  Dicentra chrysantha Robert Gustafson 1983-4-18 2499 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  RSA772016  Dicentra chrysantha Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4954 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UCR260886  Dicentra chrysantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41569 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 396 Comment
  UCR155058  Dichelostemma capitatum Jason L. Hlebakos 2005-5-30 814 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
  UCR252198  Dichelostemma capitatum Marissa Manahan 2011-4-21 s.n. Riverside Lake Mathews, off Cajalco Rd. across from Colorado River Aqueduct, near Lake Mathews Dr. intersection 436 Comment
  SEINET232554  Dichelostemma capitatum subsp. capitatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountians 1 mi up Bee Canyon off of Hwy 74 457 Comment
  UCR97472  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1997-3-1 19758 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA501045B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  JEPS41017  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Indio Salton Basin -6 Comment
  UCR109774  Dicoria canescens R. D. Goeden, Don W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert, c. 7 mi. south of Granite Pass, west side of Desert Center-Rice Road (Hwy 177), 21.8 miles north of Desert Center, 5.1 miles south of junction with Highway 62 285 Comment
  UCR92770  Dicoria canescens F. M. Reed 1928-2-15 5707 Riverside Sonoran (Colorado) Desert, west of Edom along the highway 213 Comment
  RSA545218  Dicoria canescens subsp. hispidula R. F. Thorne 1970-10 41879 Riverside San Bernardino Mts, Whitewater canyon, Sandy soil of canyon alt 1350ft. near bridges and Whitewater Post Office, 2000 ft up the canyon toward fish hatchery. 610 Comment
  JEPS40720  Dieteria asteroides var. asteroides E. E. Schellenger may 1920 Riverside canyon e Coachella; Colorado Desert Comment
  UC29875  Dieteria asteroides var. asteroides H. M. Hall Aug. 1901 2648 Riverside San Jacinto Comment
  UCR2641  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  SEINET8345725  Diplacus bigelovii Unknown 1938-5-15 9546 Riverside Cottonwood Springs Canyon. Comment
  SBBG6932  Diplacus longiflorus M. Van Rensselaer 1945-11-25 1920 Riverside Hwy below Idyllwild 1463 Comment
  UCR239908  Diplotaxis muralis O. F. Clarke 2003-4-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA734977  Ditaxis claryana L. C. Wheeler 1952-12-15 7024 Riverside Riverside Mountains: Mountaineer Mine. Comment
  JOTR34093  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 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
  JOTR35215  Ditaxis lanceolata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3639 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  POM193208  Ditaxis lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center. Comment
  UCR144104  Ditaxis lanceolata Scott D. White 2001-4-3 8262 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA517923  Ditaxis neomexicana Steve Boyd 1986-3-5 1349 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  UCR72204  Ditaxis neomexicana Theo Glenn 1991-5-22 91- 73 Riverside Sonoran (Colorado) Desert, Arica Mountains, SW of Rice. 309 Comment
  RSA781608  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  CAS-BOT-BC43653  Dithyrea californica Alice Eastwood 1913-4-30 2987 Riverside Palm Springs. Comment
  RSA66546  Dithyrea californica F. W. Peirson 1926-1-31 6484 Riverside Abundant on rocky slopes, Dos Palmas [Spring], Colorado Desert. Comment
  RSA192056  Dodecatheon clevelandii E. W. Lathrop 1960-3-11 4653 Riverside 5 miles west of Murrieta. Comment
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Apr 28 2011
  POM9555  Dodecatheon clevelandii P. A. Munz, Harwood 1920-2-28 3230 Riverside 2 mi. southwest of Corona. 305 Comment
  UCR138806  Dodecatheon clevelandii subsp. clevelandii D. L. Banks, J. Moreno 1997-2-5 1249 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UC10472  Draba corrugata var. saxosa H. M. Hall July, 1901 2413 Riverside near the summit San Jacinto Mountains San Jacinto Mountains 3291 Comment
  CLARK-A1528-2314  Draba cuneifolia John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  RSA33532  Drymocallis glandulosa N. C. Cooper 1944-6-17 1377 Riverside Above Banning. 1067 Comment
  POM48590  Drymocallis glandulosa var. viscida Mary F. Spencer 1919-7-6 1372 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA798604  Dryopteris arguta R. F. Thorne, E. W. Lathrop 1977-5-18 49758 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR26374  Dudleya abramsii subsp. abramsii A. C. Sanders 1981-7-11 2205 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  RSA680519  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR174380  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32628 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
  UCR41401  Dudleya saxosa N. M. Fellows, A. C. Sanders 1985-5-7 190 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
  POM229021  Dudleya saxosa subsp. aloides P. A. Munz 1937-5-31 15119 Riverside Head of Coyote canyon 1067 Comment
  UCR89529  Dyssodia porophylloides Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument; E side of Hexie Mtns., Porcupine Wash, near the junction with Ruby Lee Canyon 732 Comment
  CAS-BOT-BC56757  Echinocereus engelmannii subsp. engelmannii D. A. Johansen; J. A. Ewan 1932-4-10 7060 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0035484  Echinochloa crus-galli Dagne Duguma 2013-7-7 s.n. Riverside Prado wetlands near Corona 155 Comment
  CLARK-A1528-97  Echinodorus berteroi Ruth Cooper 1941-6-8 67 K Riverside Perris Comment
  UCR37454  Eclipta prostrata Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCR220116  Elatine D. E. Bramlet 1992-4-23 2240 Riverside Peninsular Range; Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR110455  Elatine chilensis D. E. Bramlet 1998-4-22 2605 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  RSA645535  Eleocharis palustris Scott D. White 1993-3-12 1134 Riverside San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  RSA365356  Eleocharis parishii Anstruther Davidson 1904-5-1 1101 Riverside Palm Springs. Comment
  RSA741269  Eleocharis parishii Scott D. White, Justin M. Wood 2008-7-10 12450 Riverside Fobes Spring 1500 Comment
  UCR241227  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 508 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  HSC79579  Elymus condensatus Paul Bailey 1972-5-14 126 Riverside 6 miles NE of Temecula near Rancho California Drive, Tucalota Hills. 457 Comment
  UC38188  Elymus glaucus H. M. Hall Jun 1 1901-Jul 1 1901 2269 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  UCR57206  Elymus triticoides Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  UCR75542  Elymus triticoides A. C. Sanders 1993-5-12 14015 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  SEINET156521  Emmenanthe penduliflora Norman C. Cooper 1944-5-21 1269 Riverside San Jacinto Mtns. West side. 1067 Comment
  UC666588  Emmenanthe penduliflora Harlan Lewis 1942-5-3 1608 Riverside 1 mi W Pinyon Flats (Calif Highway 74) Comment
  LA206353  Encelia actoni Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside San Jacinto Mountains, Foot of Idyllwild grade Comment
  RSA781834  Encelia actoni Michael Wall 2011-8-5 609 Riverside Bautista Creek off Bautista Canyon Rd. ca. 6.5 miles SE of jct. with Fairview Ave. 749 Comment
  UCR176911  Encelia actoni Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  GMDRC5809  Encelia farinosa J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24400 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  JEPS30723  Encelia farinosa Peter H. Raven 1962-4-7 17113 Riverside 1.5 mi n of U. S. Highway 70-99; Whitewater Wash Comment
  RSA771033  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4540 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA775597  Encelia farinosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 796 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC895509  Encelia farinosa Lewis S. Rose 1938-12-22 38333 Riverside 16 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 792 Comment
  UCR75064  Encelia farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB6481  Encelia farinosa Leeuwen, Henry 1957-4-12 Riverside In Whitewater Canyon; 1 mile from US 60-70-99 Comment
  RSA0045282  Encelia farinosa Viki Cruz 1983-5-8 001 Riverside Just off Indian Trial[Trail] Road where the dirt road begins. Magnesha[Magnesia] Canyon, Santa Rosa Mts. Comment
  SEINET7845929 Image available Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside 6.2 mi W of junction Hwy 78 and Hwy 60-70 near Blythe. 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
  UCR104016  Encelia frutescens George K. Helmkamp 1998-4-4 3132 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR132815  Encelia frutescens A. C. Sanders 1989-9-19 9494 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Ridge Road 762 Comment
  UCR279394  Encelia frutescens A. C. Sanders, Jim Malusa 2017-3-25 43010 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  JEPS49102  Ephedra Dr. L. M. Newlon 1922-4-3 442 Riverside Andreas Canyon Mt. San Jacinto, Andreas Canyon Comment
  UC813674  Ephedra aspera Ira L. Wiggins 1937-3-9 8746 Riverside Chuckawalla Springs Chuckawalla Mts., Chuckawalla Springs 528 Comment
  CAS-BOT-BC81541  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  JOTR29438  Ephedra californica La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1372 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  NY43333  Ephedra californica C. R. Annable 1995-3-9 2252 Riverside Ca. 14.5km NW of Palm Springs, N slope of Whitewater Hill Comment
  PASA1843  Ephedra californica R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  SEINET5767780  Ephedra californica M. B. Dunkle 1932-3-25 2874 Riverside Cabazon. Colorado Desert. Comment
  UCR41339  Ephedra californica N. M. Fellows 1985-3-3 98 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC81872  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  RSA3984  Ephedra trifurca C. B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  SEINET959353  Epilobium ciliatum Jennifer H. Jones 2006-1 306 Riverside Transcerse Ranges. N end of Mills Avenue (Cobal Canyon 7.5Q) 497 Comment
  SDSU13551  Epilobium ciliatum subsp. ciliatum W. Miller, C. Mosse 1972-7-11 Riverside Comment
  RSA644310  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Murrieta area (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. [coordinates are from the label and map incorrectly] 351 Comment
  RSA740837  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-8 12399 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  POM122779  Epipactis gigantea Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA6079  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  SEINET13709263  Equisetum telmateia J. Adams, J. Adams (Botany) 1966-1 744 Riverside Santa Rosa Plateau, on Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  RSA180338  Equisetum telmateia var. braunii E. W. Lathrop 1959-4-2 4445 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range Comment
  UCR92301  Eragrostis Scott D. White 1994-10-17 2493 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street. 320 Comment
  JOTR33117  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2003-10-17 1600 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash 1310 Comment
  CLARK-A1528-60  Eragrostis diffusa Fred B. Essig 1966-9-6 Riverside Riverside Comment
  UCR115146  Eragrostis lehmanniana Mitch Provance 2000-10-28 2280 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR278869  Eragrostis mexicana Mitch Provance 2012-11-10 17607 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UC1100242  Eragrostis mexicana subsp. virescens Malcolm A. Nobs and S. Galen Smith 1948-9-3 487 Riverside 2 mi n Indio (Citrus grove); Imperial Valley Comment
  LA11789  Eragrostis pectinacea F. M. Reed; 1907-9-10 1908 Riverside on Chicago Ave Comment
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Jan 18 2014
  UCR113924  Eragrostis pilosa var. pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC187906  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; borders of Colorado Desert Comment
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Oct 27 2014
  UC1922542  Eremalche exilis Michael Honer, Theresa Miller 2005-3-11 2065 Riverside Colorado Desert; Northeastern Colorado Desert region: Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E. of ATSF railway. Comment
  OBI8351  Eremalche rotundifolia David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12058 Riverside Along Box Cyn Rd, ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  CAS-BOT-BC160056  Eremothera boothii subsp. condensata Alice Eastwood 1913-4-30 3001 Riverside Palm Springs Comment
  RSA0125284  Eremothera boothii subsp. desertorum Duncan S. Bell 2016-3-4 8789 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
  UC73655  Eriastrum densifolium M. F. Gilman 1904-1 32 Riverside Banning Comment
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Mar 13 2011
  JEPS69021  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. St. Jacinto Comment
  CAS-BOT-BC514304  Eriastrum densifolium subsp. austromontanum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC1787332  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  RSA0105464  Eriastrum densifolium subsp. densifolium Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  POM8324  Eriastrum eremicum Mary F. Spencer 1918-5-7 s.n. Riverside San Jacinto Mountains 1524 Comment
  OBI11567  Eriastrum eremicum subsp. eremicum R. F. Hoover 1969-4-14 11229 Riverside Palm Springs, Just south of south city limit Comment
  RSA0120072  Eriastrum eremicum subsp. eremicum P. A. Munz, R. D. Harwood 1920-4-4 3526 Riverside Pass south of Palm Springs. 152 Comment
  RSA0120681  Eriastrum harwoodii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4769 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  RSA0121566  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA0121580  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1960-6-9 4946 Riverside 14 miles west of Murrieta. Comment
  SEINET2050747 Image available Ericameria brachylepis H. Dearing, M. Dearing 1940-11-10 5013 Riverside Whitewater Comment
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Jan 10 2018
  JOTR16585  Ericameria cooperi var. cooperi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. NEAR WHITE TANK CAMPGROUND 1158 Comment
  UC1118700  Ericameria cooperi var. cooperi R. St. John and A. E. Wieslander 1929-1-25 6 Riverside mouth of Bautista Creek San Jacinto Quadrangle, Bautista Creek (near Plot 8) Comment
  RSA754133  Ericameria cuneata var. spathulata W. Schlegel, Kate Kramer 2009-11-9 62 Riverside Idyllwild: Keenwild Helibase in some rocks right below the landing platform/on the edge of the landing platform. Comment
  POM48338  Ericameria linearifolia E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA0117926  Ericameria linearifolia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7636 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  SD229091  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-27 800 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UCR197055  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2008-9-27 36109 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UC64808  Ericameria paniculata E. E. Schellenger 1904-10-19 19 Riverside Colorado Desert, Chuckwalla Bench Comment
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Jan 15 2017
  LA37417  Ericameria parishii var. parishii Dave Dunn; Carl Epling 1941-10-4 1368 Riverside SANTA ANA MOUNTAINS, Indian Canyon, just below the Coulter pines and up into them. Comment
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Oct 15 2013
  UC1605380  Ericameria parishii var. parishii Steve Boyd and Darin Banks 1994-9-8 8329 Riverside ridge top on nw flank Margarita Peak (near junction of Forest Service Rds 8S01 and 8S01A); Southern Santa Ana Mountains, Cleveland N.F., San Mateo Cany 762 Comment
  LA203163  Ericameria teretifolia Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Palms-to-Pines Highway Comment
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Feb 27 2014
  SEINET10617402  Erigeron breweri David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20756 Riverside Along Hwy. 74 W of the Jct. rd. to Idyllwild, 11 mi. W, at the lower edge of the coulter Pines and near the chaparral. Decomp. granite. Comment
  JOTR31167  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  POM230161  Eriodictyon crassifolium I. W. Clokey, Edward Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  RSA651698  Eriodictyon crassifolium Diane M. Ramirez 1983-5-15 21 Riverside Poppet Flat Divide Truck Trail, 1 1/2 mi S of junction with CA hwy 243, S of Banning. Comment
  RSA699816  Eriodictyon crassifolium Scott D. White, Michael Honer 2003-4-4 8945 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UC1124323  Eriodictyon crassifolium A. Lewis May 1934 451 Riverside w Long Canyon; Cleveland National Forest, Elsinore Quad. Comment
  CAS-BOT-BC189123  Eriodictyon crassifolium var. crassifolium H. M. Hall 1897-5-19 561 Riverside Hemet Comment
  CAS-BOT-BC188970  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  CAS-BOT-BC188972  Eriodictyon parryi John Thomas Howell 1928-7-8 4077 Riverside Trail to Santiago Peak above Glen Ivy, Santa Ana Mountains 1524 Comment
  CAS-BOT-BC219330  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts. 1676 Comment
  RSA771739  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4813 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  CAS-BOT-BC248637  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  JEPS57092  Eriogonum apiculatum Marjorie D. Clary 1932-11-14 1675 Riverside Palms to Pine Road San Jacinto Mts. 1310 Comment
  RSA393082  Eriogonum apiculatum N. C. Cooper 1949-6-29 4284 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
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May 13 2011
  RSA65229  Eriogonum apiculatum P. A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  UCR150055  Eriogonum apiculatum L. C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains, divide between West Fork Snow Creek and North Fork San Jacinto River 2378 Comment
  RSA639582  Eriogonum davidsonii Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53569 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
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Apr 25 2011
  RSA766422  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 999 Riverside San Jacinto Mtns. 1646 Comment
  RSA783168  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 384 Riverside San Jacintos, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  SBBG1441  Eriogonum davidsonii H. and M. Dearing 1940-6-8 4344 Riverside Box Cyn, near Mecca Comment
  UCR82769  Eriogonum davidsonii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15777 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  RSA496747  Eriogonum deflexum var. deflexum A. C. Sanders 1988-5-11 7807 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  RSA296167  Eriogonum elongatum Barry A. Prigge 1980-8-5 3864 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR158522  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30044 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
  RSA5293  Eriogonum fasciculatum var. flavoviride Carl B. Wolf 1932-10-12 4293 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  CAS-BOT-BC249959  Eriogonum fasciculatum var. foliolosum Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Near Idyllwild, along road Comment
  UC85799  Eriogonum fasciculatum var. foliolosum J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA595922  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  SD160873  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 Riverside Peninsular Ranges;Perris-Aguanga Basin region:Wilson Valley Mitigation Bank,managed by Center for Natural Lands Mgnt.(Two sections that comprise mitigation bank.(S27&33, of Sage & Cahuilla 7.5 Quad).Accessed from Wilson Valley Rd. Comment
  JOTR35158  Eriogonum heermannii var. argense Harding, Mitzi, T. Herskovits 2011-9-14 157 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  JOTR31904  Eriogonum inflatum La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2152 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  JOTR16814  Eriogonum maculatum Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  RSA339230  Eriogonum nidularium Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-23 53598 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  CAS-BOT-BC269784  Eriogonum nudum var. pauciflorum Marcus E. Jones 1924-8-29 s.n. Riverside San Jacinto Mts., Idyllwild Comment
  RSA393615  Eriogonum nudum var. pauciflorum N. C. Cooper 1949-6-29 4280 Riverside Palms to Pines Highway. 1220 Comment
  SEINET182561  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino Co. line, Riverside County. Lower Sonoran Zone. 732 Comment
  CHSC26394  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Canyon along the eastern periphery. 609 Comment
  RSA783125  Eriogonum pusillum J. D. Olmsted 1958-3-30 s.n. Riverside Transition zone near southern entrance to Joshua Tree National Monument with southern drainage towards Salton Sea Comment
  SFV1022  Eriogonum pusillum P. M. Kennamer 1958-4-1 100 Riverside Palm Springs area. 0.75 miles from the Joshua Tree National Monument turnoff on U. S. Highway 99. 40 feet from west side of road. 213 Comment
  CAS-BOT-BC263513  Eriogonum thomasii L. R. Abrams 1926-3-26 11112 Riverside Between Edon and Garnet east of San Gorgonio Pass Comment
  CHSC109689  Eriogonum thomasii Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu, 2004-5-14 11213 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 oof of main aqueduct road at siphon station. Within boundaries of U.S. Navy's chocolate Mountains Aerial Gunnery Range. Comment
  CHSC8079  Eriogonum thomasii Edward L. Smith 1958-3-21 384 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  POM230614  Eriogonum thomasii I. W. Clokey 1933-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA264150  Eriogonum thomasii C. W. Tilforth, J. Dourley, W. Wisura 1977-5-20 1331 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  RSA614477  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 Riverside 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  RSA776241  Eriogonum thomasii Duncan S. Bell 2010-3-20 598 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA766488  Eriogonum thurberi Joseph A. Ewan 1932-4-8 s.n. Riverside Seven Palms near Garnet. Comment
  SD225077  Eriogonum thurberi G. K. Helmkamp 1998-4-3 3075 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111 395 Comment
  CAS-BOT-BC268189  Eriogonum umbellatum var. munzii Frank W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  UCR63890  Eriogonum viridescens B. G. Pitzer 1989-4-16 1295 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  RSA520083  Eriogonum wrightii var. membranaceum Steve Boyd, Dave Bramlet 1988-10-8 2866 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SD90098  Eriogonum wrightii var. membranaceum Nancy Ryan Zabriskie, W. Zabriskie 1972-9-7 534 Riverside Strawberry firebreak, S of S end Marion Ridge Rd., Pine Cove, W drainage San Jacinto Mts. 1920 Comment
  UCR131586  Eriogonum wrightii var. nodosum L. C. Wheeler 1933-12-1 2294 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Tahquitz Canyon 152 Comment
  UCR264251  Eriogonum wrightii var. nodosum Mitch Provance 2012-11-9 1112 -5 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  RSA0104079  Eriogonum wrightii var. wrightii Duncan S. Bell, Evan Meyer 2014-10-28 7667 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  RSA472332  Eriophyllum ambiguum var. paleaceum M. B. Dunkle 1932-3-25 2912 Riverside Near Cathedral Canyon. Comment
  CAS-BOT-BC297339  Eriophyllum confertiflorum Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts, San Juan Canyon, Highway 74 609 Comment
  RSA525428  Eriophyllum confertiflorum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4537 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA783238  Eriophyllum confertiflorum J. D. Olmsted 1959-4-10 342 Riverside along roadside to Gilman hot springs 2 mi. s. of Hwy 60 from Riverside to Beaumont near San Jacinto Mts. 457 Comment
  SD126657  Eriophyllum confertiflorum Ed LaRue 1989-4-25 Riverside 2 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest at mouths of Rice and McVicker Canyons. 490 Comment
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Nov 17 2011
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  JOTR34404  Eriophyllum wallacei Andre, Jim 2012-4-16 20940 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  RSA444567  Eriophyllum wallacei Walter Wisura 1988-3-23 4211 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  RSA612816  Erodium brachycarpum D. L. Banks 1997-3-1 1353 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA741201  Erodium cicutarium Scott D. White, Justin M. Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA771111  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4731 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UCR104158  Erodium cicutarium Scott D. White 1997-5-25 5232 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
  RSA660053  Erodium cicutarium Carol Zuck 1981-2-16 31 Riverside 1 mi east of I-15 on Cajelco Rd. Comment
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Jun 27 2013
  RSA191434  Eryngium aristulatum var. parishii E. W. Lathrop, Robert F. Thorne 1967-9-26 6662 Riverside 4 mi. NW of Murrieta 609 Comment
  RSA0077524  Erysimum asperum G. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  UC1237989  Erysimum capitatum John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61119 Riverside along roadside on Hwy 74 1.4 mi se Kern Summit (nw of Hemet Reservoir) Comment
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Mar 24 2011
  UC410726  Erysimum capitatum Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  RSA0015880  Erythranthe moschata M. B. Dunkle 1933-7-21 3727 Riverside Idyllwild. 1616 Comment
  RSA0124286  Eschscholzia androuxii Duncan S. Bell 2016-4-16 9326 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCD101613  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 B Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  SEINET3005002  Eschscholzia glyptosperma G. Rink 2011-4-4 10430 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  CAS-BOT-BC83129  Eschscholzia minutiflora Carl B. Wolf 1932-4-26 2975 Riverside Colorado Desert. 5 miles east of Mecca, on Blythe Road. 30 Comment
  RSA5164  Eschscholzia minutiflora Carl B. Wolf 1932-4-26 2975 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  SD258957  Eschscholzia papastillii Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7647 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. 281 Comment
  CAS-BOT-BC419616  Eschscholzia parishii Javier Penalosa 1963-4-11 2805 Riverside Pines to Palms Hwy. (#74) above Palm Desert 762 Comment
  RSA445441  Eschscholzia parishii Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
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Nov 8 2011
  UCR279598  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-28 43165 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
  SEINET10904736  Eschscholzia parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3753 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  UC1608085  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5956 Riverside 3 mi. w. San Jacinto (s.e. corner of intersection of Cottonwood Ave. and Warren Rd., Cottonwood (Reflection) Lake); Cottonwood (Reflection) Lake 487 Comment
  RSA221008  Eucrypta chrysanthemifolia E. W. Lathrop 1966-5-23 6088 Riverside 6 miles West of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA420929  Eucrypta chrysanthemifolia E. Crow 1929-3-17 197 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  POM259685  Eucrypta chrysanthemifolia var. bipinnatifida P. A. Munz 1940-3-23 15715 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  UCR27196  Eucrypta chrysanthemifolia var. chrysanthemifolia Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  RSA0123776  Eucrypta micrantha Duncan S. Bell, LeRoy Gross 2016-3-10 8873 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UC18053  Euonymus occidentalis var. parishii H. M. Hall June, 1901 2299 Riverside water courses in vicinity of Strawberry Valley (San Jacinto Mts.); San Jacinto Mts. 1828 Comment
  UCR172190  Euphorbia albomarginata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR265821  Euphorbia albomarginata Mitch Provance 2012-5-24 512- 02 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA770645  Euphorbia crenulata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51996 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA518272  Euphorbia eriantha A. C. Sanders 1989-9-19 9499 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  RSA599290  Euphorbia ocellata subsp. ocellata L. C. Wheeler 1952-10-29 7010 -a Riverside Riverside. Citrus Experimental Station. Comment
  UCR270198  Euphorbia peplus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42415 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, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  UCR104829  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2664 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR107720  Euphorbia polycarpa A. C. Sanders 1997-3-1 19738 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
  UCR234315  Euphorbia polycarpa A. C. Sanders, John F. Green 2012-3-20 39972 Riverside Peninsular Range; Gavilan Hills Area, eastern side of city of Lake Elsinore, off Hwy 74 near Crater Dr. 446 Comment
  UCR280997  Euphorbia polycarpa Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 53 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCR98183  Euphorbia polycarpa Scott D. White 1997-2-28 4704 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA118959  Euphorbia polycarpa var. hirtella L. S. Rose 1957-1-4 57012 Riverside La Quinta. 15 Comment
  UCD142714  Euphorbia polycarpa var. hirtella Barbara Ertter; J. Strachan 1980-5-20 3465 Riverside West side of Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 457 Comment
  UCR239869  Euphorbia serpillifolia O. F. Clarke 2004-5-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR28986  Euphorbia setiloba A. C. Sanders 1982-12-19 3452 B Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  CAS-BOT-BC171038  Fagonia laevis A. C. Sanders; E. J. Lawlor 1992-4-4 12086 Riverside Within 1/2 mile of McCoy Spring, alluvial slopes below and to the south and canyon bottom above the spring - McCoy Mountains 243 Comment
  JOTR30626  Fagonia laevis Andre, Jim, Tasha La Doux 2008-3-21 8842 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA0040074  Fagonia laevis Jim Andre 2014-1-27 26657 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA0125287  Fagonia laevis Duncan S. Bell 2016-3-4 8792 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
  SEINET821998  Fagonia pachyacantha A. C. Sanders 1995-1 17115 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mountains north of Toro Cyn., W. Of Monroe St., south of Ave. 62. 15 Comment
  SEINET11841375  Felicia amelloides O. F. Clarke 1970-1 s.n. Riverside Riverside, University of California campus, Botanic Gardens Comment
  CLARK-A1528-4653  Festuca grayi John C. Roos 1952-4-2 5456 Riverside Edgemont 457 Comment
  UCR113151  Festuca microstachys A. C. Sanders 1998-3-11 21680 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR2410  Festuca myuros F. M. Reed 1906-3-7 897 Riverside Riverside. Hydrant [at] corner of Streight (?) and Hooker Ranches, Victoria Heights Comment
  SEINET3082495 Image available Filago californica Robert F. Thorne, Drs. Fosberg, Sachet, & Herbst 1983-4-23 55488 Riverside San Bernardino Mts: Sandy wash along Whitewater River where road crosses river below fish hatchery, ca. 4 mi. N of Whitewater Post Office. Comment
  UCR133971  Filago californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 944 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR174112  Filago californica A. C. Sanders 2006-5-19 32419 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
  UCR20728  Filago californica A. C. Sanders, Steve Boyd 1980-5-2 1405 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR37452  Filago californica Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA774293  Filago depressa Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2189 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR133668  Filago gallica 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
  UCR167872  Filago gallica T. B. Salvato, Melissa Clemons 2005-6-2 1346 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR175073  Filago gallica Teresa Nieto 2005-5-26 27 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA69885  Forestiera pubescens F. W. Peirson 1922-5-21 3044 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  CAS-BOT-BC183402  Fouquieria splendens James R. Shevock 1986-3-23 11353 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  JOTR32015  Fouquieria splendens subsp. splendens La Doux, Tasha, T. Herskovits, M. Harding, M. Wheeler, B. Truesdell 2011-4-14 2245 Riverside Joshua Tree National Park. Eagle Mountains; about 2 miles SW of Lost Palms Oasis; open bajada (Stop 1) 603 Comment
  RSA623950  Fouquieria splendens subsp. splendens Dylan Schwilk 1994-3-26 9 Riverside Highway 74 (lower Deep Canyon) S-facing desert slope just above alluvial fan spreading into Coachella Valley 600 Comment
  SD186320  Frangula californica subsp. tomentella Andy C. Sanders 2004-6-20 28215 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR110915  Frankenia salina A. C. Sanders, K. C. Rose 1999-6-18 22821 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR114309  Frankenia salina Julie A. Greene 1993-4-30 1267 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  RSA6011  Frasera parryi Carl B. Wolf 1932-8-4 3928 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UCR201430  Frasera parryi Scott D. White, Justin M. Wood 2008-6-17 12167 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UC63829  Fraxinus velutina H. M. Hall May 17 1901-Jun 1 1901 1859 Riverside e base San Jacinto Mt. 609 Comment
  CLARK-A1703-81  Fritillaria biflora Sue Damon 1981-4-16 7 Riverside Gavilan Hills Comment
  RSA778110  Funastrum hirtellum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 927 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  SEINET10862447  Funastrum hirtellum Thorne 1979-8-23 THORNE 54607 Riverside Pinto Basin Road, Cholla Garden 1097 Comment
  UCR121242  Galium andrewsii subsp. andrewsii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2292 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SDSU9312  Galium angustifolium Bruhns 1965-5-23 129 Riverside At 2000' sign along state Hwy 74, below Idyllwild. 610 Comment
  SDSU9314  Galium angustifolium S. J. Barnhart 1966-4-24 660424 -5 Riverside 0.1 mile E of McAliister Street along the Metropolitan Water Co. Uitility Rd. (dirt), which is 1.5 mile SE of the intersection of McAliister Street and Victoria Avenue. 457 Comment
  RSA0011413  Galium angustifolium subsp. angustifolium Duncan S. Bell, Caitlin Elam 2013-5-21 4966 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  RSA221072  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-5-8 6448 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  RSA271436  Galium angustifolium subsp. angustifolium C. W. Tilforth 1978-4-30 1573 Riverside Low rounded hills east of Norco. Comment
  RSA761275  Galium angustifolium subsp. jacinticum Shawn Krosnick, Naomi S. Fraga, Lucinda A. McDade 2010-8-14 675 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR216232  Galium aparine Mike Bell 2008-4-27 016 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 558 Comment
  UCD170417  Galium californicum subsp. primum D. O. Burge 2017-3-12 2224 Riverside Pine Cove area, roadside on Red Hill Road. 1720 Comment
  UCR147259  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  LA208517  Galium johnstonii Carl Epling; William Robison 1935-6-30 Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  RSA567550  Galium parishii Christopher Davidson 1978-6-15 7391 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  POM184501  Galium stellatum C. Leo Hitchcock 1932-4-7 12208 Riverside Corn Springs, Eastern Riverside. Comment
  POM337423  Galium stellatum F. R. Fosberg 1930-4-30 S 2224 Riverside Morongo Canyon. Comment
  POM367819  Galium stellatum M. B. Dunkle 1937-3-25 4928 Riverside Colorado Desert. Shaver's Well Comment
  CAS-BOT-BC217618  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains, Colorado Desert 1066 Comment
  RSA735213  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11235 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA777334  Galium stellatum var. eremicum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 831 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  LA98198  Garrya fremontii Rich Minnich; April 1975 sn Riverside San Jacinto Mountains, Fuller Ridge, S slope 2499 Comment
  UCR89899  Garrya veatchii A. C. Sanders 1995-11-26 17914 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  UCR16979  Gayophytum oligospermum Harlan Lewis, M. Lewis 1962-8-2 1307 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Road, Pine Cove, 0.4 mi west of Idyllwild-Banning Road Comment
  UCR151422  Gazania linearis D. L. Banks, V. W. Steinmann 1997-3-13 1431 Riverside NW Palomar Mountains, Agua Tibia Mountains, In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway) 378 Comment
  RSA516907  Geraea canescens Steve Boyd, Orlando Mistretta 1986-3-13 1441 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA781746  Geraea canescens Duncan S. Bell 2011-12-30 3046 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UC88703  Geraea canescens S. B. and W. F. Parish 1882-4-1 Riverside Agua Caliente Comment
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Nov 24 2011
  UCR251907  Geraea canescens Jim Andre 2013-3-27 24832 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR33548  Geraea canescens Faulkner 1978-3-30 407 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  RSA0036275  Geraea canescens M. B. Dunkle 1933-3-4 3058 Riverside Painted Canyon. Colorado Desert. 30 Comment
  POM12711  Geranium californicum P. A. Munz 1922-7-6 5985 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR123247  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  SEINET6969910  Gilia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Base of brush-covered Gavilan Hills west of Perris. Comment
  RSA606302  Gilia angelensis Jon E. Keeley 1994-4-22 25337 Riverside Shipley Reserve. 590 Comment
  RSA67095  Gilia angelensis Verne Grant 1949-4-27 8700 Riverside 6 miles from Lake Elsinore on Perris-Elsinore rd. Comment
  RSA72286  Gilia angelensis F. W. Peirson 1923-3-28 4129 Riverside North of Lake Elsinore near Brickyard. Comment
  SEINET3087627 Image available Gilia angelensis J. Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, S of Murrieta; small mesa just W of MEsa de Burro & Tenaja Road. Comment
  UC494754  Gilia angelensis Philip A. Munz 1932-3-24 12024 Riverside n Elsinore; n of Elsinore 304 Comment
  UCR103168  Gilia angelensis Scott D. White, Julie Greene 1997-3-12 4781 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR251707  Gilia angelensis T. B. Salvato 2014-4-9 7832 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR97492  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19882 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UC52725  Gilia capitata subsp. abrotanifolia H. M. Hall 1902-4-26 2985 Riverside Greene Canyon vicinity of Riverside, Greene Canyon 609 Comment
  UC908484  Gilia diegensis Herbert L. Mason 1928-3-11 4252 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR23210  Gilia ochroleuca J. C. Lyman 1981-5-15 s.n. Riverside San Jacinto Mtns, May Valley Road, Idyllwild Comment
  UCR44192  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 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
  SD152893  Githopsis diffusa subsp. candida Steve Boyd, Tim Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA445520  Glaucium flavum Donald A. Johansen 1933-7-14 710 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  SD133877  Glyceria striata Michael Curto, Linda Allen 1992-6-15 826 Riverside San Jacinto Mts, NW of Pine Cove, SBNF Rd 5S09 @ Stone Cr, streamside 1370 Comment
  CDA4145  Glycyrrhiza glabra K. E. Hoffmaster 1968-11-18 Riverside Coachella Valley near Mecca. 0 Comment
  RSA559334  Gnaphalium beneolens Steve Boyd, Tim Ross 1992-5-15 7408 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  CLARK-A1528-1847  Gnaphalium bicolor John C. Roos 1952-2-29 5374 Riverside Reche Canyon 548 Comment
  UCR175077  Gnaphalium californicum Teresa Nieto 2005-4-24 20 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA544314  Gnaphalium luteoalbum Steve Boyd 1991-7-13 6421 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
  RSA639129  Gnaphalium palustre R. F. Thorne, Earl Lathrope, Oscar Clarke, S. Carlquist 1968-4-18 37460 B Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  UC219266  Gnaphalium palustre P. A. Munz and I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley Southern California, Menifee Valley 411 Comment
  UCR22145  Gnaphalium stramineum Steve Boyd 1980-7-12 335 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET3071808  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17498 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  RSA776088  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 820 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA717577  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR139618  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  POM256727  Gutierrezia sarothrae W. Pequegnat 1940-7-1 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 427 Comment
  RSA0094193  Gutierrezia sarothrae Duncan S. Bell, Evan Meyer 2014-10-29 7680 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UC1118588  Gutierrezia sarothrae C. Van Fleet 1931-1-22 547 Riverside Wilson Creek San Jacinto Quadrangle Comment
  UCR150638  Gutierrezia sarothrae Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, E side of Little San Bernardino Mountains, in small canyon SE of Bernard Peak 1451 Comment
  UCR182163  Gutierrezia sarothrae Mitch Provance 2003-4-5 6612 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR219999  Haplopappus venetus A. C. Sanders, D. L. Sanders 2010-11-28 38695 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
  RSA0066599  Harpagonella palmeri Steve D. Boyd 2001-4-12 10414 Riverside Gavilan Hills Region: Southeast base of Alberhill Mountain on flats north of Nichols Road and west of Pierce Street, in the vicinity of Terra Cotta. Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  SBBG122760  Harpagonella palmeri A. Parikh 1990-4-25 156 Riverside base of Gavilan Pk, 1.7 km N of Lake Matthews Drive, 1.8 km W of Gavilan Rd 637 Comment
  SEINET3242790 Image available Harpagonella palmeri Steve Boyd 1986-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate Comment
  UCR241775  Hedypnois cretica A. C. Sanders, Dave King 2013-4-10 40789 Riverside Peninsular Range; Perris-Aguanga Basin, about 2 miles south of Perris, along SCE powerline route west of I-215, parallel to McLaughlin Rd., near intersection with Geary St. 441 Comment
  UCR93014  Helianthemum scoparium G. P. Schultz 1994-4-7 70 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SD232182  Helianthus nuttallii subsp. nuttallii Scott D. White 2003-10-9 9816 Riverside San Jacinto Mountains: Pine Cove. Lily Creek just north of crossing at Hwy 243. 1737 Comment
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Sep 8 2015
  UCR132883  Heliotropium curassavicum Tom Paulek 2002-5-19 s.n. Riverside San Jacinto Wildlife Area, Headquarters Ponds 433 Comment
  RSA0036782  Hemizonia fasciculata Andrew Haimov, April Sleigh 1992-5-7 82 Riverside East side of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA488925  Hemizonia fasciculata Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UCR154629  Hemizonia kelloggii A. C. Sanders, Mike Misenhelter 2005-6-15 31004 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
  UCR85612  Hemizonia kelloggii Julie A. Greene, S. D. White 1993-7-5 1406 Riverside San Jacinto Valley, San Jacinto Wildlife Area, east of dirt road next to drying flood area. 433 Comment
  UCR193974  Hemizonia mohavensis A. C. Sanders 2008-7-25 35903 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  UCR241794  Hemizonia paniculata A. C. Sanders, Dave King 2013-4-11 40790 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  UCR92439  Hemizonia paniculata A. C. Sanders, D. L. Banks 1995-12-7 17936 Riverside San Jacinto Mtns., 3 mi NW of Anza, beside Bautista Canyon Road at a 90 deg. N bend 1259 Comment
  RSA556461  Hemizonia pungens subsp. laevis Julie Greene 1993-4-30 1248 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
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Nov 26 2014
  SEINET269475 Image available Hemizonia pungens subsp. laevis Scott D. White, Steve Ogg 1994-10-17 3455 Riverside Murrieta Creek 1000 ft south of Winchester road bridge (Banana Avenue on USGS Murrieta quad) 310 Comment
  UCR68063  Hemizonia pungens subsp. laevis D. E. Bramlet, A. Parikh 1990-6-13 2023 Riverside San Jacinto Valley, fallow field just south of Simpson Rd., c. 440 m. west of intersection with Warren Rd. 500 Comment
  RSA124445  Hesperocallis undulata Percy C. Everett, E. K. Balls 1958-4-29 23027 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  RSA779019  Hesperocallis undulata Duncan S. Bell 2010-4-1 651 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR251903  Hesperocallis undulata Jim Andre 2013-3-27 24827 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR48389  Hesperolinon micranthum Steve Boyd 1986-4-22 1773 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  SD122173  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside Santa Margarita Ecological Reserve; 1.6 km NNW of Royal Oak Ranch. 390 Comment
  RSA559362  Heterocodon rariflorum Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-13 7380 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR174367  Heteromeles arbutifolia A. C. Sanders 2006-5-19 32408 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
  RSA0074450  Heterotheca fastigiata B. A. Prigge 1980-8-5 3819 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm. 701 Comment
  CLARK-A1703-1242  Heterotheca grandiflora Robin L. Kobaly, Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  RSA0075667  Heterotheca subaxillaris J. C. Roos 1965-9-26 s.n. Riverside 2 mi S of Jackson St., Indio. Comment
  SDSU20376  Heuchera hirsutissima Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2900 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  SFV6345  Hibiscus denudatus T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 61 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR24936  Hieracium albiflorum A. C. Sanders 1980-7-22 1718 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  POM360476  Hieracium horridum Albert J. Perkins 1916-9-15 s.n. Riverside Summit, Tahquitz Peak. Comment
  LA8280  Hilaria rigida Marcus E. Jones; A. M. 1929-9-16 sn Riverside E of Desert Center Comment
  SDSU254  Hilaria rigida A. H. Gallup 1949-3-28 375 Riverside In sandy wash near Palms to Pines Hwy. San Jacinto Mtn. Range. Slope: east. 762 Comment
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Jan 24 2013
  RSA0040034  Hilaria rigida W. Marquart 1938-3-12 s.n. Riverside Mule mts. south of Chuckwalla range. Comment
  UCR33610  Hoffmannseggia glauca Sears 1977-10-12 S- 583 Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  RSA0096927  Hoffmannseggia glauca L. C. Wheeler 1954-11-25 7103 Riverside Twenty miles north of Blythe. Comment
  CAS-BOT-BC206377  Hoffmannseggia microphylla Peter H. Raven 1958-1-24 11464 Riverside desert alluvial fan, Fargo Canyon Comment
  CSUSB1228  Hoffmannseggia microphylla Rodney Hendrick 1965-3-14 Riverside In sandy area, dry wash, Box Canyon about 8 miles east of Mecca 182-274 Comment
  LA45813  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  OBI26133  Hoffmannseggia microphylla David J. Keil 1976-12-12 11913 Riverside Ca. 5 mi E of Indio along I-10 Comment
  UCR133950  Holocarpha virgata subsp. elongata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  RSA797260  Holodiscus microphyllus var. sericeus Robert F. Thorne, Walter Wisura 1977-9-17 50798 Riverside San Jacinto Mountain: summit. 3293 Comment
  NY1116474  Hordeum D. K. Christopher 2003-4-6 105 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  SEINET13276723 Image available Hordeum depressum Mitch Provance, Matt Amalong 2015-1 415 -13 Riverside Temecula/Murrieta Region: About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. (Winchester 7.5' Q.) 438 Comment
  RSA608532  Hordeum intercedens D. E. Bramlet 1996-4-11 2449 Riverside San Jacinto Wildlife Area, approx. 762 m NE of Lakeview. The site is found 122 m E of Davis Road and 40 m N of marvin Road., 37 44 856mN X 4 88 940mE 434 Comment
  UCR91913  Hordeum marinum subsp. gussoneanum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18120 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA85233  Horkelia clevelandii F. W. Peirson 1924-7-28 5006 Riverside Pine Flats on road from Banning to Idyllwild 1799 Comment
  JEPS68625  Horsfordia newberryi Marjorie D. Clary 1930-1 Riverside Coral Reef Ranch Colorado Desert Comment
  RSA0124125  Horsfordia newberryi Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8736 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  UCR38252  Horsfordia newberryi J. M. Stewart 1985-3-16 8504 Riverside Sonoran (Colorado) Desert, Santa Rosa Mtns., Martinez Canyon 259 Comment
  CAS-BOT-BC311949  Hulsea heterochroma H. M. Hall 1901-6-1 2048 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  POM360713  Hulsea vestita subsp. callicarpha Anstruther Davidson 1891-1 2032 Riverside [Idylwild] Idyllwild Comment
  UCD128233  Hydrocotyle ranunculoides A. C. Sanders; O. F. Clarke 1991-6-10 11120 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA302002  Hymenoclea salsola Jim Shevock 1971-3-5 738 Riverside Box Canyon, near Mecca. 305 Comment
  RSA155545  Hymenoclea salsola var. pentalepis L. S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  JOTR30090  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  POM13022  Hymenolobus procumbens P. A. Munz 1922-4-29 5120 Riverside Lancaster Valley, s. of Hemet 457 Comment
  RSA66564  Hymenolobus procumbens F. W. Peirson 1922-4-30 1896 Riverside Road from Temecula River to Hemet. 518 Comment
  SEINET11259614 Image available Hymenoxys odorata H. M. Hall 5914 Riverside Paloverde Valley 76 Comment
  CAS-BOT-BC158106  Hyptis emoryi W. R. O. 1974-6-28 0415 Riverside West Riverside Mnts in pass area Comment
  CDA40745  Hyptis emoryi T. C. Fuller 1963-4-23 10285 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA0069675  Hyptis emoryi Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 3 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  RSA420151  Hyptis emoryi Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA420170  Hyptis emoryi N. C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA733981  Hyptis emoryi Keith E. Hoffmaster 1933-4-13 427 Riverside Palm Springs. Comment
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Aug 27 2011
  UC218091  Hyptis emoryi P. A. Munz and D. Keck 1922-4-9 4767 Riverside near Mecca (Shavers Well); Shavers Well 76 Comment
  SEINET10498864  Hyptis emoryi David B. Dunn 1948-6-17 Dunn 3815 Riverside Ravine below quad 4 dry coudit. At camp in pushawalla canyon under palms Comment
  SD126162  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junctiln with Highway 111 in Coachella. -35 Comment
  RSA0039517  Isocoma menziesii var. vernonioides Mike Lahti 2009-9-29 PDR 1501830 Riverside In the vicinity of Temecula. 1 mile south of Auld Road on Pourroy Road at Tucalota Creek. Comment
  UCD51309  Jarava speciosa Peter H. Raven 1958-5-6 12927 Riverside along State Highway 74, 15.6 miles southwest of Palm Desert, San Jacinto Mountains. Comment
  RSA0097765  Juglans californica Marc A. Baker, Michelle Cloud-Hughes 2015-7-7 18400 Riverside San Gorgonio River, 2 km south of Cabazon, 2.6 km NNW of Hurley Flat, 26 km WNW of central Palm Springs. 510 Comment
  UCR213858  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  JEPS74123  Juncus acutus subsp. leopoldii D. P. Barrows 1898-1 5 d Riverside Coahuilla Valley region Comment
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Sep 23 2009
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  RSA368168  Juncus bufonius Christopher Davidson 1977-5-25 5638 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA674965  Juncus bufonius Scott D. White, Teresa Salvato 2001-6-8 8583 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  UCR225503  Juncus bufonius A. C. Sanders, T. B. Salvato 2011-3-29 38848 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR268066  Juncus bufonius D. E. Bramlet 2005-4-22 3828 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  RSA500202  Juncus bufonius var. bufonius Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3541 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR202582  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-7-8 12381 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UC2030097  Juncus rugulosus Scott D. White 2000-5-3 7769 Riverside TEMECULA AREA: Near Wolf Valley. Valley and hillsides along unamed tributary to Temecula Creek, directly S of Red Hawk subdivision. Comment
  UCR116577  Juncus xiphioides D. L. Banks, E. H. Banks 1996-5-2 948 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  CAS-BOT-BC234597  Justicia californica Munz; Street; Williams 1919-3-28 2383 Riverside Palm Canyon 182 Comment
  GMDRC9805  Justicia californica J. M. Andre 2017-3-1 38022 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  UC56670  Justicia californica F. Gilman 1902-1 29 Riverside Palm Springs Comment
  UCD121630  Justicia californica Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  UCSB16172  Justicia californica Gerhart, Janet 1963-4-6 Riverside 5.2 miles wouth of U.S. Highway 60-70 on mine road, 11.5 miles east of turnoff to Jashua Tree National Monument 396 Comment
  UCD170729  Kallstroemia californica A. C. Sanders; T. B. Salvato 2012-10-12 40409 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  JEPS57291  Keckiella antirrhinoides L. R. Heckard and R. C. Bacigalupi 1968-5-5 1803 Riverside about 5 mi s Hemet (at s edge of Diamond Valley); Diamond Valley 518 Comment
  RSA401733  Keckiella antirrhinoides Anstruther Davidson 1895-5-18 s.n. Riverside Banning. Comment
  RSA666638  Keckiella antirrhinoides A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 25000 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  CAS-BOT-BC236706  Keckiella antirrhinoides subsp. antirrhinoides T. Craig 1927-4-23 206 Riverside Glen Ivy Comment
  CAS-BOT-BC236726  Keckiella antirrhinoides subsp. microphylla Peter H. Raven 1958-5-18 12995 Riverside Along State Highway 74, 4.9 miles north-east of Pinyon Flats, San Jacinto Mountains Comment
  JOTR35446  Keckiella antirrhinoides var. microphylla Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 50 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  RSA293259  Keckiella ternata subsp. ternata D. C. Michener 1980-5-29 3626 Riverside San Bernardino NF, Cave Springs. 950 Comment
  UCR268282  Keckiella ternata subsp. ternata Jim Andre 2012-6-15 30508 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA0050253  Krameria bicolor J. M. Andre 2013-3-27 24838 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  RSA0023271  Krameria bicolor Robert F. Thorne 1966-10-15 41782 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  CAS-BOT-BC43710  Krameria erecta Annie M. Alexander; Louise Kellogg 1941-5-15 2175 Riverside north base of Eagle Mountains 883 Comment
  CAS-BOT-BC43712  Krameria erecta Peter H. Raven 1958-5-18 12999 Riverside Along State Highway 74, 4.9 miles north - east of Pinon Flats, San Jacinto Mountains Comment
  HSC27213  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  POM1809  Krameria grayi I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. Comment
  UC449696  Krameria grayi unknown 1917-5-19 3858 Riverside Palm Canyon; near palm grove Comment
  UCR17311  Krameria grayi B. A. Carlson 1978-4-22 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 488 Comment
  UCR89575  Krameria grayi Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  UCR94926  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  UCR167063  Lamarckia aurea Scott D. White 2005-3-29 10838 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA457768  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2219 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA699275  Larrea tridentata W. Marquart 1938-3-12 s.n. Riverside Along road to Wiley's Well. Southwest of Blythe. Comment
  SEINET10779066  Larrea tridentata J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12827 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  UC64184  Larrea tridentata H. M. Hall Jun 1901 2116 Riverside e base San Jacinto Mts. (along western borders of the Colorado Desert); Colorado Desert, San Jacinto Mts. Comment
  RSA487197  Lastarriaea coriacea James L. Reveal 1988-5-23 6865 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  RSA618417  Lastarriaea coriacea D. L. Banks 1997-5-5 1959 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  UC63395  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside vicinity of Riverside 304 Comment
  SD133175  Lasthenia californica Scott White 1991-5-10 91 143 Riverside Highway 79 immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  SEINET7073409  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UC1228547  Lasthenia coronaria C. L. Hitchcock and C. V. Muhlick 1962-3-16 22125 Riverside 8 mi s of Corona; Temescal Canyon Comment
  UCR102836  Lasthenia coronaria A. C. Sanders 1997-3-26 20098 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR93012  Lasthenia coronaria G. P. Schultz 1994-4-7 66 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA586869  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-3 0288 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
  RSA716259  Lasthenia gracilis Scott D. White, Angelia Carey 2004-4-5 10004 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 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
  RSA606062  Lathyrus R. S. Woglum 1934-3-18 648 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  SD73467  Lathyrus vestitus var. alefeldii Louis B. Ziegler 1967-6-25 Riverside Flat above Kenworthy Ranger Station, south end of San Jacinto Mountains 1554 Comment
  SEINET3479044  Layia platyglossa A. G. Vestal 1962-3-29 Riverside Temecula, Temecula, 0.3 miles south Comment
  UC828958  Layia platyglossa Munz and Johnston 1922-5-19 5419 Riverside Hemet Valley; San Jacinto Mountains 1402 Comment
  UCR241409  Layia platyglossa T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7443 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR847  Layia platyglossa subsp. campestris Leland R. Dykes 1962-4-6 26 Riverside Lake Matthews area; off La Sierra Ave., 5.8 mi from Riverside Freeway Comment
  RSA429965  Lepidium Ora M. Clark 1929-3-17 s.n. Riverside N of La Quinta. Comment
  CAS-BOT-BC89439  Lepidium fremontii H. M. Hall 1905-4-1 5844 Riverside Colorado Desert. Canyon Springs. Comment
  POM147643  Lepidium fremontii F. M. Reed 1927-3-20 5476 Riverside Mouth of Cottonwood Springs Canyon, 30 miles E of Mecca, Colorado Desert. 274 Comment
  POM308636  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3213 Riverside Between Blythe and Desert Center. Comment
  RSA429928  Lepidium lasiocarpum Martha Hilend 1928-3-11 s 101 Riverside Morongo Pass, Colorado Desert region. Comment
  SBBG2528  Lepidium lasiocarpum var. lasiocarpum H. and M. Dearing 1942-1-17 4789 Riverside Cathedral City Comment
  RSA629025  Lepidium latifolium Scott D. White 1998-6-28 6801 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  RSA735907  Lepidium pinnatifidum Scott D. White, Justin Wood 2008-6-24 12285 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  RSA740074  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12137 Riverside Meadow at Quinn Flat. 1378 Comment
  SD262250  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
  SD51952  Lepidium virginicum var. pubescens Reid Moran 1962-7-7 9863 Riverside Strawberry Creek, 2 miles southeast of Idyllwild, San Jacinto Mountains 1550 Comment
  SEINET3147931  Lepidospartum squamatum L. S. Rose 1938-12-20 38332 Riverside 3 mi. SE of Palm Springs Station, Whitewater Wash 274 Comment
  RSA289874  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4089 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  RSA171374  Leptosiphon floribundus subsp. glaber J. D. Olmsted 1962-5-3 3534 Riverside Above old Santa Rosa Indian Village; SW of Santa Rosa Mountain. 1905 Comment
  RSA128224  Leptosiphon liniflorus P. H. Raven 1958-7-26 11104 Riverside Meadow just below Vista Grande Ranger Station, Banning - Idyllwild Road. Comment
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  RSA429765  Lesquerella kingii subsp. latifolia Jack Rempel 1935-4-14 s.n. Riverside Pinto Basin 518 Comment
  SD146007  Lessingia glandulifera A. C. Sanders, S. D. Boyd and Mitch Provance 1999-9-14 23072 Riverside San Bernardino Valley; Colton Dunes, dune remnant on Slover Ave. between Pepper Ave. and the tank farm, ca. 1.0 mile due west of Slover Mt. 320 Comment
  CAS-BOT-BC339366  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  RSA692225  Lessingia glandulifera var. glandulifera Scott D. White 2003-10-9 9822 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR60497  Lilaea scilloides R. F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CAS-BOT-BC45841  Limnanthes gracilis var. parishii A. C. Sanders; Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista R. and east of Herkey Creek 1550 Comment
  UCR224311  Limonium sinuatum Justin M. Wood, Jamie Miner 2010-5-12 1680 Riverside Santa Ana Canyon, Santa Ana River, c. 0.75 mi downstream of Prado Dam, just northeast of Green River housing estate 137 Comment
  RSA784829  Linanthus J. D. Olmsted 1962-6-23 5243 Riverside SE San Bernardino Mtns: At first switchback out of Banning Water Canyon towards Gunsight Pass and Raywood Flat. 1555 Comment
  RSA562495  Linanthus androsaceus subsp. luteolus Steve Boyd, T. S. Ross 1992-5-5 7241 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 793 Comment
  LA211892  Linanthus ciliatus L. Gross; Duncan Bell 2013-4-30 6029 Riverside SAN JACINTO MOUNTAINS, Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, S to Strawberry Creek. 1510.0 Comment
  RSA747874  Linanthus dianthiflorus Justin M. Wood 2009-5-11 695 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  SEINET7073335  Linanthus dianthiflorus A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR281228  Linanthus dianthiflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 46 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  RSA495821  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2932 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  POM126309  Linanthus jonesii R. Craig 1927-4-2 38 Riverside Canyon near hidden spring. Comment
  UCR228171  Linanthus jonesii Dave Silverman, Onkar Singh 2010-3-25 7842 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 3.2 km E of Black Creek Rd, 3.8 km W of McCoy Wash, and 7.8 km N of I-10 139 Comment
  UCR75062  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR92344  Linanthus lemmonii Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  UCR82883  Linanthus liniflorus A. C. Sanders, P. J. MacKay 1994-10-23 15847 Riverside San Bernardino Mtns., Between the trout hatchery and Bonnie Bell 780 Comment
  SDSU15209  Linanthus liniflorus subsp. pharnaceoides H. Wedberg 1962-5-23 940 Riverside 4.8 miles from HWY 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  RSA554129  Linanthus maculatus George K. Helmkamp 1992-4-16 92 -4 Riverside Coachella Valley, soft, sandy bench of Mission Creek, 0.4 miles S of Indian Ave. on old Hwy 62. [A few scattered plants found on N side of Mission Creek between Hwy 62 & old Hwy 62, but none S of creek or W of Hwy 62.] 20 Comment
  UCR133428  Linanthus parviflorus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 459 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR172725  Linaria canadensis A. C. Sanders, John F. Green 2006-5-18 32372 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR281265  Linum usitatissimum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 43 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
  JEPS8680  Lithophragma affine Rimo Bacigalupi with Gene Newcomb 1954-4-25 4402 Riverside about 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  RSA0010980  Lithophragma affine Justin M. Wood 2009-5-11 680 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  RSA180296  Lithophragma affine subsp. mixtum E. W. Lathrop 1965-4-4 5619 Riverside 8 miles west of Murrieta. Comment
  UCR116962  Loeflingia squarrosa A. C. Sanders, T. B. Salvato 2001-5-3 24107 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA796503  Loeseliastrum matthewsii J. Andre 2012-3-19 21359 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  RSA468342  Loeseliastrum schottii Christopher Davidson, A. Suprenant, Alan Romspert 1979-4-29 7809 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 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
  UCR260861  Loeseliastrum schottii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41485 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  UC1595559  Logfia arizonica Steve Boyd and Orlando Mistretta 1991-5-22 6313 Riverside e of Dorland Mtn. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  CAS-BOT-BC342250  Logfia filaginoides S. B. Parish 1884-3-1 1657 in part Riverside Agua Caliente (Palm Springs) Comment
  CAS-BOT-BC342252  Logfia filaginoides Steve Boyd 1986-4-19 1695 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  CAS-BOT-BC342263  Logfia filaginoides L. R. Abrams 1926-3-27 11133 Riverside Between Whitewater and Cabazon Comment
  UCR59859  Logfia filaginoides J. M. Stewart 1988-3-21 623 Riverside Sonoran (Colorado) Desert, Corn Spring Canyon about 2 miles west of Aztec Well 688 Comment
  UCR92238  Logfia filaginoides D. L. Banks, Steve Boyd 1995-5-3 0283 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SEINET251684 Image available Lolium rigidum Walter Graves 2002-5-15 502 -13 Riverside Riverside : grown at U.C. R. in Agricultural Operations Fields (Riverside East 7.5' Q.) 305 Comment
  UCR160325  Lomatium lucidum Steve Boyd, Orlando Mistretta 1992-4-22 7004 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  OBI52756  Lomatium utriculatum L. LaPre, J. Eason 1988-1-27 s.n. Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  UC56510  Lomatium utriculatum H. M. Hall Apr. 1902 2946 Riverside vicinity of Riverside 365 Comment
  RSA678970  Lonicera subspicata var. denudata Scott D. White, Michael Honer 2003-6-3 9461 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SEINET10543638  Lotus David B. Dunn 1946-8-17 Dunn 2731 Riverside Round meadow hillside among lodge pole pines. San jacinto mts. Comment
  UCR120859  Lotus argophyllus Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  RSA406722  Lotus argophyllus var. argophyllus Anstruther Davidson 1893-4-12 s.n Riverside Palm Springs. Comment
  UC501578  Lotus argophyllus var. argophyllus Frank W. Peirson 1922-4-30 2933 Riverside St. John's Grade 762 Comment
  UCR122740  Lotus argophyllus var. argophyllus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3381 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  UCR6717  Lotus crassifolius Frank C. Vasek 1964-7-25 640725- 15 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  JEPS55435  Lotus grandiflorus W. L. Jepson 1901-5-19 1286 Riverside Strawberry Valley Mt. San Jacinto Comment
  POM13456  Lotus grandiflorus var. mutabilis P. A. Munz 1922-5-19 5403 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  CSUSB1265  Lotus heermannii Steve Stadler 1966-3-8 030866 72 Riverside Box Springs Mountains. 10 yards off Pigeon Pass Road. 4.2 miles north of Riverside-Beaumont Highway. 457 Comment
  RSA297753  Lotus heermannii Barbara Ertter, J. Strachan 1979-6-26 2988 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  RSA0029411  Lotus heermannii John F. Emmel 1995-9-24 1392 Riverside Santa Rosa Mts: open area on flat ridge top 0.9-1.0 air mi ESE of Toro Peak. 2287 Comment
  RSA680834  Lotus heermannii var. heermannii Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8665 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SEINET273067 Image available Lotus humistratus A. C. Sanders 1997-3-26 20125 Riverside Lake Skinner area;large clay patch adjacent to the Skinner entrance rd ca 1 km NE of Borel Rd UTM 10km cell: MH-9E 1N 473 Comment
  RSA761321  Lotus nevadensis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 679 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA90412  Lotus oblongifolius F. W. Peirson 1924-7-28 5018 Riverside Pine Flats Camp 1799 Comment
  RSA406788  Lotus rigidus M. B. Dunkle 1938-4-3 5243 Riverside S. of Nightengale Comment
  RSA618170  Lotus salsuginosus var. salsuginosus D. L. Banks 1997-5-5 2016 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR44444  Lotus salsuginosus var. salsuginosus A. C. Sanders, B. Pitzer 1986-4-30 6483 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  RSA249458  Lotus scoparius var. brevialatus John F. Emmel 1973-4-8 432 Riverside Washes along 29 Palms Hwy, ca. 4 air miles WNW of Desert Hot Springs. 465 Comment
  CSUSB1248  Lotus strigosus Nancy J. Matthews 1963-5-9 50963 1 Riverside 1 mile northwest of Gilman Hot Springs on Highway 79; along roadside. 457 Comment
  RSA263766  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA614128  Lotus strigosus D. L. Banks 1997-2-23 1295 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
  UC1537086  Lotus strigosus Gordon H. True Jr. 1935-2-26 18 Riverside Mockingbird Canyon 365 Comment
  UCR98294  Lotus strigosus Scott D. White 1992-3-29 92- 56 Riverside San Bernardino Mtns, Millard Canyon. Steep W facing slope below fork with East Millard Cyn Rd. Comment
  UCR35029  Lotus strigosus var. hirtellus L. B. Ziegler 1968-4-30 279 Riverside Peninsular Ranges, San Jacinto Mountains, Hemet (= Garner) Valley, at Thomas Subdivision. 1402 Comment
  POM265128  Lotus tomentellus I. L. Wiggins 1937-3-9 8766 Riverside Sand dunes 20 miles north of Indio. Comment
  RSA122884  Lotus tomentellus H. S. Yates 1937-3-23 6444 Riverside 15 miles NNE of Mecca 457 Comment
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Dec 18 2011
  SEINET7097942  Lotus wrangelianus A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao NAD 27 (Converted to WGS84 decimal degrees) Comment
  UC865541  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4701 Riverside Moreno Grade Comment
  JOTR35479  Lupinus andersonii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3167 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA0121048  Lupinus arizonicus Duncan S. Bell, LeRoy Gross 2016-3-29 9119 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA776643  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1100 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  RSA86947  Lupinus arizonicus F. W. Peirson 1935-4-17 11472 Riverside 25 miles north of Blythe, eastern Riverside. Comment
  UCR232788  Lupinus bicolor John F. Green 2008-4-16 0408- 31 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  RSA561785  Lupinus bicolor subsp. marginatus Steve Boyd 1992-4-14 6843 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Mar 23 2007
  POM24303  Lupinus bicolor subsp. tridentatus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR178308  Lupinus concinnus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 928 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR139025  Lupinus concinnus subsp. concinnus D. L. Banks 1997-4-5 1691 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
  RSA619245  Lupinus concinnus subsp. optatus R. S. Woglum 1937-5-22 565 B Riverside Santa Rosa Mountains. Comment
  RSA658919  Lupinus concinnus subsp. optatus Bob Rogers 1984-4-28 22 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  SEINET10485080  Lupinus concinnus subsp. optatus Charles R. Gunn 1963-5-29 Gunn 2630 Riverside Riverside co road r1, 1/2 mi above fulmore lake, san bernardino national forest , San jacinto mountains. White standard, blue keel and wings. Comment
  POM157901  Lupinus densiflorus var. lacteus Philip A. Munz 1927-5-20 10792 Riverside Murrieta Hot Springs. Comment
  RSA5027  Lupinus excubitus var. hallii Carl B. Wolf 1932-3-20 27 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  UCR146444  Lupinus excubitus var. hallii R. F. Thorne, Et al. 1969-6-24 38129 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA160413  Lupinus formosus J. D. Olmsted 1959-9-23 994 Riverside 2.5 miles south of Hemet Lake on Hwy 74 near road to Thomas Mt. trhough Garner ranch, San Jacinto Mts, Helmet Lake Drainage 1387 Comment
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Apr 1 2011
  RSA519402  Lupinus formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UC1922189  Lupinus hyacinthinus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1738 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SEINET10903865  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2739 Riverside San jacinto mts., Peak. S slope 200 ft from top. Comment
  RSA114446  Lupinus latifolius subsp. parishii G. R. Campbell 1956-6-11 21613 Riverside Nursery Seedlings growing under Prop. No. 8412, from seed Fuller Mill Creek, 1.3 miles north of Black mountains. trail, hwy from Banning to Idyllwild. Comment
  RSA90133  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-8-19 18532 Riverside North of Fullermill Co., 1.3 miles north of Black Mt, Truck Trail, hwy from Banning to Idyllwild 1829 Comment
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Jul 14 2012
  SD136844  Lupinus latifolius var. parishii Steve Boyd 1992-4-15 6851 Riverside Santa Ana Mountains, San Mateo Canyon wilderness Area, Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  RSA678353  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10469 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
  UCR241254  Lupinus sparsiflorus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1204 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR282304  Lupinus sparsiflorus Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 873 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  HSC79895  Lupinus sparsiflorus subsp. sparsiflorus James Henrickson 1973-3-18 2700 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  RSA691057  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White, Michael Honer 2003-4-9 8988 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA618413  Lupinus truncatus D. L. Banks 1997-5-5 1963 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
  UCR22037  Lupinus truncatus Steve Boyd 1980-5-11 241 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCSB10439  Lupinus truncatus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road; from State Rd. 111; Colorado Desert Drainage Area; San Jacinto Mountain Range 609 Comment
  CAS-BOT-BC231423  Lycium andersonii Adele O. Merritt 1925-11-1 s.n. Riverside Palm Springs Comment
  SBBG19622  Lycium andersonii J. R. Haller 1960-4-2 1543 Riverside S side of US 60-70, 5.8 mi E of Desert Center 243 Comment
  POM13382  Lythrum californicum E. C. Jaeger 1921-04 s.n. Riverside Corn Springs, Chuckawalla Mts Comment
  SD70892  Lythrum hyssopifolia Helen V. Witham 1969-7-2 174 a Riverside Common near drainages, pools, etc. De Luz Creek crossing, 4 mi. N. of De Luz. 249 Comment
  UCR20968  Lythrum hyssopifolia A. C. Sanders, Steve Boyd 1980-5-19 426 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  RSA191413  Lythrum hyssopifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6615 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR60656  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mtns, north slope of Santa Rosa Mtns. 2287 Comment
  RSA607407  Machaeranthera canescens var. ziegleri R. S. Woglum 1937-10-20 1187 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  UC33207  Madia gracilis H. M. Hall 1901-6-11 2040 Riverside San Jacinto Mts. 1341 Comment
  UCR193120  Madia gracilis A. C. Sanders, Tim Thomas 2008-6-20 35557 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CAS-BOT-BC514238  Maianthemum stellatum P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  UCD134353  Malacothrix californica R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  JEPS36809  Malacothrix clevelandii W. L. Jepson 1928-4-19 12430 Riverside hills 5 mi n Elsinore Comment
  RSA606378  Malacothrix clevelandii Jon E. Keeley 1994-4-22 25340 Riverside Shipley Reserve. 590 Comment
  POM97133  Malacothrix clevelandii P. A. Munz 1925-5-20 9830 Riverside 2 miles W of Dripping Spring. 427 Comment
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  POM6231  Malacothrix glabrata I. M. Johnston 1917-4-4 1004 Riverside Palm Canyon 305 Comment
  RSA517816  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-13 1433 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA721104  Malacothrix glabrata J. R. Bruff 1927-3-13 2 -C Riverside Fingal. Comment
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Aug 25 2012
  RSA776022  Malacothrix glabrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 985 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SEINET2053710 Image available Malacothrix glabrata Glen W. Forister 1967-3-23 Riverside Whitewater Cyn., on west-facing slope by the Whitewater Trout Farm. 609 Comment
  UCR165827  Malacothrix glabrata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR279412  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-25 43006 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SEINET11799397  Malacothrix glabrata Unknown 1936-1 12871 Riverside Colorado Desert, N of Palm Springs Comment
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Oct 7 2017
  SDSU13928  Malosma laurina Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2153 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCD116864  Malosma laurina R. Tofsrud 1951-4-25 s.n. Riverside Corona to Elsinore. Comment
  CDA4990  Malva neglecta Scott D. White 1998-6-28 6800 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  UCR123835  Malva parviflora Steven R. Hill, K. Kramer 2001-4-27 33476 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  RSA192340  Malvella leprosa E. W. Lathrop 1966-9-14 6585 Riverside 3 miles SW of Murrieta. Comment
  UCR89825  Malvella leprosa 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
  POM285601  Mammillaria dioica Lyman Benson 1952-3-23 14844 Riverside Mountainsides above Cathedral City on the Palms-to-Pines Highway. Mt. Range San Jacinto. 701 Comment
  CLARK-A1045-347  Marah macrocarpa George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along highway north of Rainbow, at Riverside County Line; chaparral; Temecula 7.5'Q Comment
  SD215475  Marah macrocarpa Steve Boyd, Tim Ross, et al 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  SDSU14246  Marah macrocarpa Ingrid Poulin 2002-3-1 2 Riverside Santa Margarita Ecological Reserve; unpaved road approx. 200 ft. west of Red Mountain Truck Trail (0.8 miles from N. Stagecoach Lane). 259 Comment
  RSA699192  Marina parryi J. R. Bruff 1928-4-5 205 Riverside Between Wiley Well and Beals Well. Comment
  SBBG45489  Marina parryi Leota Davidson 1966-4-3 317 Riverside Interstate 10 at Wiley Well turnoff, 30 mi E of Desert Center Comment
  SEINET10489470  Marina parryi Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6426 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35. Locally Common gravelly wash bank. Wings and keel purple, the banner yellow, turning Red. 290 Comment
  SD240893  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range: Perris-Aguanga Basin Region; Romoland, McLaughlin Road, east of Palomar Road, near powerplant and railroad (Romoland 7.5'Q) 445 Comment
  UCR282161  Matricaria occidentalis R. E. Riefner Jr. 2017-4-2 17- 139 Riverside Perris-Aguanga Basin, city of Hemet, along California Ave. near Stowe Road 468 Comment
  CDA4189  Medicago lupulina Steve Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  SD187410  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR40512  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7 mi west of Rancho California. 366 Comment
  CSUSB1135  Medicago sativa Sally Bell 1964-5-1 Riverside Highway 60, about 0.5 mile east of the crest of the grade in the Badlands between Sunnymead and Beaumont, on the south side of the road. 914 Comment
  RSA652934  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  UCR140893  Melica frutescens Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  CAS-BOT-BC281607  Melica imperfecta Alice Eastwood; John Thomas Howell 1937-4-24 3905 Riverside Coldwater Canyon, Santa Ana Mts Comment
  CLARK-A1528-75  Melica imperfecta C. M. Flanagan 1973-5-31 OO 650 Riverside Morongo Indian Reservation 975 Comment
  SBBG34982  Melica imperfecta T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  SBBG56866  Melica imperfecta M. N. Ackley 1928-4-1 57 Riverside Snow Crk, Mt San Jacinto 518 Comment
  UC618994  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon; Cleveland National Forest, Corona Quad. 762 Comment
  UCR100314  Melica imperfecta B. G. Pitzer 1997-4-20 3170 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR240636  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 44 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR2547  Melica imperfecta F. M. Reed 1919-4-20 4090 Riverside Rubidoux Mountain, Riverside 396 Comment
  UCR139045  Melilotus albus D. L. Banks 1997-3-1 1383 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and a long Pechanga Creek 335 Comment
  JOTR30972  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC1329908  Mentzelia albicaulis James E. Cole 1941-4-15 600 Riverside Joshua Tree National Monument, Pleasant Valley Comment
  RSA0104078  Mentzelia involucrata Duncan S. Bell, Evan Meyer 2014-10-28 7670 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA698073  Mentzelia involucrata J. R. Bruff 1928-4-2 93 Riverside Whitewater. Comment
  SBBG97174  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC1595705  Mentzelia involucrata W. Wisura, J. Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi ne Mecca (on Box Canyon Rd.) Comment
  POM14554  Mentzelia involucrata var. megalantha J. Clemens 1922-4-10 s.n. Riverside Mecca. Comment
  RSA4941  Mentzelia involucrata var. megalantha Carl B. Wolf 1932-4-27 3056 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA0123755  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8868 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  RSA33377  Mentzelia jonesii N. C. Cooper 1944-3-25 1037 Riverside Morongo Pass. 457 Comment
  SD3177  Mentzelia laevicaulis Fidella g. Woodcock 1928-4-27 Riverside San Jacinto Creek. Comment
  SBBG69337  Mentzelia longiloba S. W. Hutchinson 1928-3-24 511 Riverside near Blythe Comment
  RSA446777  Mentzelia micrantha N. C. Cooper 1944-6-4 1351 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  RSA601791  Mesembryanthemum nodiflorum D. E. Bramlet 1997-3-15 2502 Riverside Nicholas Road Wetlands. The site is located approximately 183m southeast of Nicolas Road, 91m west of Collier Ave. and 196 m. west of the I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to alberhill Creek. 116 Comment
  UCR269901  Microseris douglasii D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3658 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR281248  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 38 Riverside Temescal Valley, East side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail. 361 Comment
  UCR132535  Microseris heterocarpa A. C. Sanders, Kent Beaman 2002-5-10 25051 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
  UCR180393  Microseris heterocarpa Mitch Provance 2003-4-26 9898 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
  UCR230786  Microseris heterocarpa A. C. Sanders, Nathan Moorhatch 2011-3-22 38784 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, Menifee Valley, south of Ethanac Rd. between Trumble Rd. and 215 Fwy 436 Comment
  RSA563890  Microseris lindleyi Scott D. White 1993-4-20 1208 Riverside Estelle Peak, Gavilan Hills. 823 Comment
  UCR54249  Microseris lindleyi David Charlton 1988-5-21 1938 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  RSA0013705  Microsteris gracilis LeRoy Gross, Grace Cho 2013-4-9 6001 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
  JOTR01209  Mimulus aurantiacus Moran, Reid 1941-5-5 845 Riverside Joshua Tree National Park. EAST OF QUAIL SPRING 396 Comment
  UC527581  Mimulus aurantiacus var. pubescens Carl B. Wolf 1931-5-11 1960 Riverside above Hemet Valley (near Pipe Creek); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  SDSU12234  Mimulus aurantiacus var. puniceus Tahirih Linz, M. G. Simpson 2000-4-1 6 Riverside 0 Comment
  UCR116664  Mimulus aurantiacus var. puniceus A. C. Sanders, Carolyn Washburn 2001-5-10 24234 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  RSA420949  Mimulus bigelovii var. bigelovii Howard Mullins 1931-4-26 s.n. Riverside Mecca Comment
  JEPS8378  Mimulus breweri C. V. Meyer 1928-7-31 599 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  RSA704861  Mimulus cardinalis J. B. B. 1934-6-18 s.n. Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  UC1979601  Mimulus clevelandii D. L Banks, Steve Boyd 1995-5-17 0460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  RSA612954  Mimulus diffusus D. L. Banks 1997-3-29 1623 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  JEPS19714  Mimulus fremontii var. fremontii Peter H. Raven with R. Snow 1957-7-26 11121 Riverside 1.8 mi above Lake Fulmor; San Jacinto Mountains Comment
  JEPS5559  Mimulus guttatus Carl V. Meyer 1928-7-31 598 Riverside Tahquitz Valley San Jacinto Mountains 2286 Comment
  RSA442808  Mimulus guttatus H. de Forest, Jack Rempel 1933-10-29 18685 Riverside Snow Creek Canyon. 549 Comment
  LA99204  Mimulus guttatus subsp. guttatus E. R. Hobbs; 1978-7-17 78 -120 Riverside Avery Canyon, Between Santa Rosa Hills and Pollly Butte, N side of Gibbel Road, S of Hemet Comment
  UC56261  Mimulus parishii F. Gilman 1902-1 18 Riverside Palm Springs Comment
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Jul 6 2010
  RSA559317  Mimulus pilosus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7371 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR167307  Mimulus pilosus Scott D. White, Jennifer H. Jones 2005-5-24 11092 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR174342A  Mimulus pilosus A. C. Sanders 2006-5-19 32397 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
  LA209440  Mimulus tilingii Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  HSC85271  Minuartia douglasii Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon, E side of Indian Wash, S of I-15 Comment
  SEINET7097939  Minuartia douglasii A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UC219590  Minuartia douglasii P. A. Munz 1922-6-23 5773 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  UCR102757  Mirabilis bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3579 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  SEINET191757  Mirabilis californica P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of Banning-Indio Blvd Comment
  SEINET3092406 Image available Mirabilis californica Diane L. Ill 1985-5-12 44 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Gavilan Road. Ten to 40 feet from road edge. Comment
  RSA0048454  Mirabilis froebelii N. Kiner 1954-5-16 s.n. Riverside Pines to Palms Highway. 1066 Comment
  SBBG119928  Mirabilis laevis var. crassifolia J. Green, S. J. Myers 2003-6-25 Riverside French Valley, "Greenway site" along Tucalota Crk ca. 1 mi E of Murrieta Hot Springs 396 Comment
  CAS-BOT-BC434819  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-3-23 s.n. Riverside 29 Palms Canyon Comment
  CAS-BOT-BC434830  Mirabilis laevis var. retrorsa John Thomas Howell 1928-3-11 3416 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  CAS-BOT-BC434832  Mirabilis laevis var. retrorsa Joy Keck 1935-4-15 3841 Riverside Lower Morongo Canyon Comment
  UC168849  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-28 6073 Riverside Whitewater; Colorado Desert 360 Comment
  UC68665  Mirabilis laevis var. retrorsa H. M. Hall Apr 1905 5798 Riverside 10 mi W of Coachella, Colorado Desert 91 Comment
  UC219570  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek; San Jacinto Mts, Hemet Valley 1463 Comment
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Mar 25 2011
  CAS-BOT-BC229627  Mirabilis tenuiloba J. Ewan 1931-2-23 4036 Riverside Devils Canyon above Coral Reef Ranch Comment
  RSA69472  Mirabilis tenuiloba F. W. Peirson 1922-4-11 2917 Riverside Deep Canyon Wash, Colorado Desert. 274 Comment
  SEINET8255138  Mohavea D. W. McNeal 1988-3-18 3230 Riverside bottom of Mecca Canyon beside Hwy. #195, 9.5 mi. sw. of Interstate #10 s. of Joshua Tree Nat. Mon. Comment
  SEINET8380172  Mohavea H. M. Hall 1905-4-16 5778 Riverside Canons near Indio Mt. i nthe Colorado Desert, lower Sonoran Zone. 150 Comment
  POM182069  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA516903  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1424 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA550268  Mohavea confertiflora Walter Wisura, J. Dolan, M. Wall 1992-3-24 4628 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  RSA778206  Mohavea confertiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 800 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  CLARK-A1528-3140  Monardella hypoleuca John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  SBBG71951  Monardella lanceolata S. W. Hutchinson -Sep-1927 464 Riverside Idyllwild 1630 Comment
  LA96076  Monardella nana Elizabeth McClintock; 1940-6-30 18 Riverside near Pine Flats on The Banning-Idyllwild road Comment
  LA96092  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 0.75 mi. beyond the snow gate Comment
  LA96104  Monardella nana Elizabeth McClintock; 1941-7-21 129 Riverside San Jacinto Mountains, trail from Round Valley Comment
  UC1499862  Monardella nana Elizabeth McClintock 1940-5-19 10 Riverside 2 miles off Pines to Palms Highway on road to Santa Rosa Mt. Comment
  UC1499885  Monardella nana Elizabeth McClintock 1941-5-31 47 Riverside 5 1/2 miles from turn off to Anza Monument Comment
  IRVC2060  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-8 SJ 304 Riverside Marion Mountain Trail. Peninsular Ranges, San Jacinto Mountains 2424 Comment
  POM48947  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-26 8721 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA750283  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 89 Riverside San jacinto Mts. At fork in trail going to Suicide Rock and Deer Springs. Comment
  UC1499817  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside trail to Hidden Lake (about 1 mi beyond the cienega); San Jacinto Mts. Comment
  UCR221485  Monardella nana subsp. tenuiflora Elizabeth McClintock, Harlan Lewis 1941-6-22 071 Riverside Peninsular Range; San Jacinto Mtns., 0.1 mile from fork in road going to the [Dark Canyon, etc.] public camps, on the Banning-Idyllwild road 1905 Comment
  CAS-BOT-BC220381  Monardella pringlei Ethel H. Campbell 1921-5-1 s.n. Riverside Between Riverside and Ontario 300 Comment
  RSA96049  Monardella robisonii E. K. Balls 1954-8-4 19752 Riverside grown in Botanic Garden. Comment
  UCR92694  Monolepis nuttalliana A. C. Sanders, K. D. Jones, D. Malueg, Tom Paulek 1996-4-20 18062 Riverside San Jacinto Valley, San Jacinto Wildlife Area, along Davis Road, W side of road, west of Headquarters buildings. 442 Comment
  POM13677  Monoptilon bellioides E. C. Jaeger 1923-3-18 1033 Riverside Painted Canyon near mecca. Comment
  RSA676035  Monoptilon bellioides Scott D. White 2001-4-12 8294 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
  RSA730041  Monoptilon bellioides R. F. Thorne 1973-3-30 42677 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UC831346  Monoptilon bellioides Alice Eastwood 1913-4-30 2996 Riverside Palm Springs Comment
  CAS-BOT-BC275254  Muhlenbergia microsperma Rateaver 1944-2-21 59 Riverside Tahquitz Creek, Palm Springs Comment
  RSA495450  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2978 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA525448  Muhlenbergia microsperma Steve Boyd, Dave Bramlet 1990-4-29 4493 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR256792  Muhlenbergia microsperma T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7875 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SD152985  Muhlenbergia rigens Steve Boyd, D. Bramlet, T. Ross 1992-9-9 7689 Riverside San Mateo Canyon Wilderness Area. Upper San mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienaga 395 Comment
  UCR22157  Myosurus minimus subsp. apus Steve Boyd 1980-5-13 264 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA359887  Myosurus minimus subsp. apus Steve Boyd 1986-4-2 1591 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD37311  Myosurus minimus var. filiformis Edith A. Purer 1936-4-6 6880 A Riverside Vernal pool, south of Elsinore Comment
  RSA0025077  Myriophyllum verticillatum Steve Boyd, T. S. Ross 1989-8-28 3800 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA0006065  Myzorrhiza hutchinsoniana W. Hutchinson 1921-04 3407 Riverside Near Palm Springs. Comment
  CDA19114  Najas guadalupensis R. W. Schaffer 2001-4-16 PDR 1244191 Riverside Growing in nursery at Shaynes Aquarium and Ponds, 38-995 Rancho Los Coyote, Bermuda Dunes. 0 Comment
  RSA601653  Najas guadalupensis L. C. Wheeler 1957-11-30 7275 Riverside Coachella drainage ditch, ca. 1.5 mi. south southeast of Thermal. Comment
  OBI2155  Nama demissa P. A. Holden 1969-3-29 678 Riverside Just W of state hwy 62 and N of Mission Crk at foot of Morongo Grade Comment
  RSA253658  Nama demissa Noel Holmgren 1973-3-23 6485 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  RSA421116  Nama demissa Robert L. Dressler 1949-3-19 365 Riverside Box Canyon, Orocopia Mts. Comment
  RSA791930  Nama hispida var. spathulata D. Silverman, Onkar Singh 2010-3-27 7856 Riverside McCoy Wash, north of Palo Verde Mesa, 5.4 km west southwest of Mesaville siding, west of A Canal/Levee Blvd., and ca. 7.6 km north of Blythe Airport. 136 Comment
  RSA484101  Nassella cernua N. C. Cooper 1944-5-6 1174 Riverside Banning. 701 Comment
  SEINET223727  Nassella lepida Mary E. Barkworth 1981-5-6 3092 Riverside Pinyon Ridge off CA 74 just east of NIghtingale Comment
  UCR115940  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  RSA286800  Navarretia prostrata R. F. Thorne 1974-5-23 44667 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UC472905  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail; San Jacinto Mt. 1828 Comment
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Apr 9 2017
  JEPS5228  Nemacladus ramosissimus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 B Riverside San Jacinto River Comment
  RSA523536  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3995 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  UC1563074  Nemacladus tenuis var. aliformis Steve Boyd and Orlando Mistretta 1986-3-13 1460 Riverside ne of Desert Center (w side of Palen Mts, upper bajada at base of range); Palen Mts. Comment
  UCR165916  Nemophila menziesii T. B. Salvato, John F. Green 2004-5-27 557 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR172809  Nemophila menziesii Abby Sirulnik 2000-4-13 10 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  RSA339360  Nicolletia occidentalis R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53587 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  UC127305  Nicotiana attenuata unknown Aug 1901 838 Riverside San Jacinto Mts. 1524 Comment
  RSA262085  Nicotiana bigelovii var. wallacei E. W. Lathrop 1968-5-22 6948 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SDSU13689  Nicotiana glauca James C. Dice with J. Dewald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 247 Comment
  RSA708493  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UC1543048  Nolina parryi Donald G. Nelson 1936-5-22 388 Riverside along trail down to Palm Creek (near base of Santa Rosa Mountains); Pines to Palms Highway, Palm Springs Canyon, Ribbon Wood Cam Comment
  UCR238221  Nolina parryi Mark A. Elvin 2003-3-26 2366 Riverside Peninsular Range; San Jacinto Mountains, Anza Pass on Hwy 371 1220 Comment
  RSA686403  Notholaena californica Anstruther Davidson 1893-4-10 114 Riverside Palm Springs. Comment
  SD81343  Notholaena californica subsp. leucophylla S. B. Parish, W. F. Parish 1882-1 Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Jul 12 2010
  CLARK-A1528-3581  Notholaena parryi John C. Roos 1946-11-30 3168 Riverside Chuckwalla Mountains Comment
  UC1483906  Nuttallanthus texanus C. W. Tilforth, W. Wisura 1979-4-11 1781 Riverside e of Temecula (in Long Canyon, Rancho California Road, sw Riverside County); Long Canyon, Rancho California Road Comment
  RSA162850  Oenothera californica J. D. Olmsted 1959-4-21 447 Riverside Along roadside at intersection of Archibald Ave U.S 60. 2 mile W of Jurupa Hills to Santa Ana River 259 Comment
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Jun 3 2013
  RSA146098  Oenothera californica subsp. californica Peter H. Raven 1959-4-23 14021 Riverside 4.1 miles west of Dripping Springs. Comment
  UC1930021  Oenothera californica subsp. californica Scott D. White, Justin Wood 2008-5-15 11972 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  RSA663899  Oenothera deltoides C. R. Annable 1995-3-16 2295 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  UC1979846  Oenothera deltoides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 959 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  UCR33630  Oenothera deltoides Faulkner 1978-3-20 325 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  JOTR01131  Oenothera deltoides Cole, James E. 1941-4-13 542 Riverside Joshua Tree National Park. OLD DALE 396 Comment
  POM355589  Oenothera deltoides subsp. deltoides Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  UC665751  Oenothera deltoides subsp. deltoides Ira L. Wiggins 1941-3-26 9660 Riverside along wash Wiley Well Comment
  RSA640711  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  UCR41251  Olea europaea N. M. Fellows, A. C. Sanders 1985-4-9 138 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
  RSA709899  Oligomeris linifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4601 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA717444  Oligomeris linifolia Scott D. White, Pam De Vries 2006-3-14 11256 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA803269  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  UCD108098  Olneya tesota P. C. Everett; E. K. Balls 1958-5-7 23116 Riverside Hwy. 195, Mecca to Blythe, entrance to Box Canyon. 198 Comment
  CDA7542  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region; Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 Comment
  UCR116895  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region, Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 434 Comment
  UCR133373  Opuntia basilaris Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 327 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  POM9959  Opuntia bigelovii var. bigelovii P. A. Munz 1921-5-1 4485 Riverside 5 miles north of Whitewater, San Bernardino Mts. 305 Comment
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May 28 2011
  POM9957  Opuntia parishii P. A. Munz 1921-5-1 4483 Riverside Southern edge of Mojave Desert, near Pinon Wells 1220 Comment
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Apr 21 2011
  POM278509  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 116 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1524 Comment
  RSA752696  Opuntia prolifera John Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  RSA486902  Opuntia vaseyi Steve Boyd 1986-5-7 1839 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  CAS-BOT-BC355580  Oreostemma alpigenum var. andersonii F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  CLARK-A1528-1347  Orobanche cooperi John C. Roos 1948-5-15 3848 Riverside Eagle Mountains Comment
  CAS-BOT-BC500135  Orobanche fasciculata Philip A. Munz 1940-3-22 15661 Riverside Whitewater Canyon, 2 mi N of Banning-Indio Hwy Comment
  RSA0077923  Orobanche fasciculata Ivan M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 243 Comment
  RSA0083183  Orthilia secunda E. C. Jaeger 1921-7-6 1171 Riverside Round Valley. Comment
  RSA612927  Orthocarpus densiflorus var. gracilis D. L. Banks 1997-3-29 1649 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  OBI32754  Osmorhiza brachypoda E. W. Lathrop 1966-3-30 6124 Riverside Plants of Santa Ana Mts. Trl between El Carriso and Santiago Peak, Cleveland Natl forest 1219 Comment
  RSA522708  Oxalis albicans subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3894 -B 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
  RSA560410  Oxalis albicans subsp. californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 341 Comment
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Oct 22 2014
  UCR137708  Oxalis pes-caprae D. L. Banks 1997-3-29 1555 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UC218234  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside shelter of rocks on n side summit of San Jacinto (summit of San Jacinto); San Jacinto Mts., summit of San Jacinto 3276 Comment
  POM121836  Oxytheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA392815A  Oxytheca trilobata F. W. Peirson 1929-7-29 5020 Riverside Banning to Idyllwild Road 1768 Comment
  UCR24259  Oxytheca trilobata John C. Roos 1943-5-23 2672 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UCR176269  Paeonia californica Teresa Nieto 2005-4-14 04 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
  UCR165289  Palafoxia arida 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
  UC51605  Palafoxia arida var. arida Jos. Burtt Davy 1902-4-2 8055 Riverside Salton Comment
  UC667291  Palafoxia arida var. arida Annie M. Alexander and Louise Kellogg 1941-5-12 2163 Riverside road to Black Eagle Mine Eagle Mountains 670 Comment
  CHSC109691  Panicum capillare Justin M. Wood 2008-7-9 130 Riverside SW Perris Basin: Temecula-Murrieta Creek, downstream of 1st street bridge. 299 Comment
  RSA557879  Panicum capillare Steve Boyd, O. Mistretta 1992-4-23 7051 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
  HSC66618  Parietaria floridana Josephine Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of Orocopia Mtns., in small canyon and wash due S of Oro Pk. 518 Comment
  CDA4250  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-1 11124 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  UCR167422  Parkinsonia florida 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
  PASA203  Parosela schottii Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  RSA600665  Paspalum dilatatum L. C. Wheeler 1949-8-24 6752 a Riverside Riverside. Comment
  SDSU13606  Paspalum distichum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  JEPS26051  Pectis papposa var. papposa Lewis S. Rose 1959-1-8 59004 Riverside La Quinta 15 Comment
  UCR274780  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Mojave Desert, Alligator ACEC. Desert Center Exit off Hwy I-10., to Granite Mine 399 Comment
  CAS-BOT-BC169751  Pectocarya anisocarpa H. M. Hall 1902-4-22 2943 Riverside Vicinity of Riverside 396 Comment
  SBBG63493  Pectocarya heterocarpa M. N. Ackley 1927-3-13 55 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  SBBG92929  Pectocarya heterocarpa D. Charlton 1988-2-18 1147 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
  UCR72202  Pectocarya heterocarpa Theo Glenn 1992-3-31 92 19 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR225507  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-29 38877 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR805  Pectocarya linearis J. E. Dimitman 1957-4-8 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, hills south of UCR campus 457 Comment
  UCR251703  Pectocarya linearis subsp. ferocula T. B. Salvato 2014-4-9 7846 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA740833  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-7-8 12393 Riverside Johnson Meadow. 1439 Comment
  UC1543028  Pectocarya penicillata Donald G. Nelson 1936-5-24 416 Riverside just n Lake Hernet (nw of Thomas Mtn, on Pine to Palms Hwy); San Jacinto Mountains, east slope, Hurky Creek Camp Comment
  CLARK-A1045-119  Pectocarya platycarpa George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UCR102944  Pectocarya platycarpa George K. Helmkamp 1998-4-4 3137 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  SD124730  Pectocarya recurvata A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mountains. 490 Comment
  UCR49252B  Pectocarya recurvata Steve Boyd 1986-3-9 1385 B Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR85190  Pectocarya recurvata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16151 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  IRVC3146  Pellaea mucronata Charley Ford 1965-4-20 HS 590 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  SEINET3082643 Image available Pellaea mucronata var. californica Jim Andre, T. La Doux 2008-9-16 10703 Riverside Mojave Desert: Joshua Tree National Park, on the southwest end of Splitrock Picnic Area (Queen Mountain 7.5'Q.) 1290 Comment
  POM8766  Pellaea mucronata var. mucronata P. A. Munz, Harwood 1920-2-28 3231 Riverside 2 mi. southeast of Corona 274 Comment
  RSA686887  Pellaea mucronata var. mucronata Norman C. Cooper 1944-5-21 1305 Riverside San Jacinto Mountains, West side 915 Comment
  UCR165382  Pennisetum setaceum M. Georgiady 2003-5-22 s.n. Riverside east of Homeland, Calif. Hwy 74, 1.2 km west of Calif. Hwy 79 (Winchester Rd.), south foot of Lakeview Mtns. 485 Comment
  OBI32752  Penstemon centranthifolius E. W. Lathrop 1966-4-27 6211 Riverside Main Divide Truck Trl between El Carriso and San Mateo Cyn. Cleveland Natl Forest 1219 Comment
  RSA494644  Penstemon centranthifolius B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  RSA97210  Penstemon centranthifolius R. M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  SFV17409  Penstemon clevelandii M. S. Valenzuela 1998-6-6 74 dup. Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  NY583958  Penstemon clevelandii var. connatus P. A. Munz 1922-7-1 5931 Riverside Old Nicholas Canyon, Santa Rosa Mountains 1463.0 Comment
  RSA0014867  Penstemon heterophyllus var. australis Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  JEPS11261  Penstemon labrosus M. French Gilman c. 1918 741 Riverside Mt. San Jacinto Comment
  POM122817  Penstemon labrosus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA0099997  Penstemon labrosus Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8572 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  UCSB26814  Penstemon labrosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  NY650693  Penstemon rostriflorus E. K. Balls 1953-8-19 18544 Riverside Above Santa Rosa Spring, Santa Rosa Peak 2133.6 Comment
  RSA20208  Penstemon spectabilis Carl B. Wolf 1938-6-11 9417 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA33846  Penstemon spectabilis N. C. Cooper 1944-6-17 1422 Riverside San Jacinto Mts. above Banning. 1524 Comment
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  UCR193118  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 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
  UCD137785  Pentagramma triangularis L. S. Rose 1935-12-27 s.n. Riverside Palm Canyon. Comment
  RSA0060228  Pentagramma triangularis R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54070 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0060229  Pentagramma triangularis C. W. Tilforth 1979-2-11 1742 Riverside Whitewater Canyon, east of Morongo Indian Reservation. 441 Comment
  JOTR36021  Pentagramma triangularis subsp. maxonii Harding, Mitzi, T. Herskovits 2012-3-16 228 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA239816  Perityle emoryi C. W. Tilforth 1973-4-29 775 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  RSA305912  Perityle emoryi Fay A. MacFadden 1940-3-17 15304 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Riverside Co. Comment
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Oct 16 2011
  SEINET7373942 Image available Perityle emoryi Duncan S. Bell, Evan Meyer 2014-4-2 6510 Riverside Orocopia Mountains: Orocopia Mountains Wildnerness area; southern section of range; approx. 1 air mi NW of Canyon Spring. 422 Comment
  UCR147835  Perityle emoryi Steve Boyd, Et al. 2004-5-14 11214 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR269872  Perityle emoryi A. C. Sanders, Jim Malusa 2016-3-18 42364 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA101199  Petalonyx thurberi David B. Dunn 1947-7-12 2967 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA247995  Petalonyx thurberi Robert F. Thorne, S. T. Blake 1965-6-1 34712 Riverside Morongo Valley pass 488 Comment
  SEINET3094523 Image available Petalonyx thurberi R. Mitchel Beauchamp 1970-11-15 1392 Riverside 10 miles east of Mecca. 90 Comment
  RSA425012  Petunia parviflora J. C. Roos 1952-5-28 5728 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
  OBI45335  Petunia violacea A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the N side of Spruce St between Rustin and Cyn Crest 305 Comment
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Apr 5 2016
  JOTR32906  Peucephyllum schottii Andre, Jim, Tasha La Doux 2009-3-10 11248 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  LA104783  Peucephyllum schottii Barry A. Prigge; 1988-2-21 7848 Riverside Orocopia Mountains, 2 mi. W of Clemens Well, Colorado Desert 228 Comment
  POM48451  Peucephyllum schottii P. A. Munz, D. D. Keck 1925-3-7 9347 Riverside Painted Canyon, Mecca. Comment
  RSA167477  Peucephyllum schottii R. F. Thorne 1963-3-29 32441 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 533 Comment
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Dec 13 2011
  UC604865  Peucephyllum schottii Roxana S. Ferris 1938-5-16 9562 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  RSA234102  Phacelia ambigua Robert F. Thorne, R. Carolin 1967-3-21 41632 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  JEPS1548  Phacelia brachyloba Carl V. Meyer 1929-6-18 779 Riverside s Thomas Mt. (summit of grade); San Jacinto Mts., Hamilton Grade Comment
  POM307237  Phacelia brachyloba Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2111 Riverside Santa Rosa Mountains. Comment
  RSA769029  Phacelia brachyloba E. W. Lathrop 1968-5-30 6939 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 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
  UCR241243  Phacelia cicutaria var. hispida Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 510 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 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
  CLARK-A1528-2998  Phacelia crenulata John C. Roos 1949-3-5 4090 Riverside Orocopia Mountains Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  UCR102953  Phacelia crenulata var. ambigua George K. Helmkamp 1998-4-4 3152 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCD80949  Phacelia crenulata var. minutiflora Chuck Hughes 2009-3-23 66 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  RSA517927  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1356 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA777818  Phacelia distans Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 847 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SEINET5767841  Phacelia distans Norman C. Cooper 1944-4-23 1145 Riverside Banning. Comment
  UCR107395  Phacelia distans B. G. Pitzer 1997-3-23 2950 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCSB72612  Phacelia distans White, Scott; Carey, Angelia 2004-4-5 Riverside San Jacinto Mtn foothills: North of Valle Vista. Indian Creek Watershed 518 Comment
  SEINET1908502  Phacelia imbricata A. C. Sanders, Mitch Provance 2008-1 35787 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  SEINET7073694  Phacelia ixodes A. G. Vestal 1955-4-28 s.n. Riverside About 7.4 miles south of Sade on Route 79. Coordinate datum: NAD27. Comment
  OBI8236  Phacelia minor David J. Keil, Malcolm McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA614549  Phacelia minor A. C. Sanders, Giles Waines, Aryavand 1997-3-12 19866 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  UC1537525  Phacelia minor Gordon H. True Jr. 1935-2-20 2 Riverside Box Springs Sycamore Canyon (lower end of canyon) 365 Comment
  UCD120566  Phacelia minor Robert C. Bechtel 1952-3-28 24 Riverside Perris. 443 Comment
  UCR215519  Phacelia minor Daphne K. Christopher, Hannah I. Stevens 2003-4-4 087 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR140658  Phacelia ramosissima Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 81 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR151063  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  RSA74702  Phacelia rotundifolia E. C. Jaeger 1922-3-22 5459 Riverside Murray Canyon, Near Palm Springs. Comment
  UCR262230  Phacelia umbrosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR40514  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd., 3.3 mi east of junction with 8S01 and 8S02 Comment
  UCR252658  Phalaris minor T. B. Salvato, Matthew Malle 2013-4-2 7494 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR281282  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 17 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA715189  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32569 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0043161  Pholistoma auritum var. auritum Scott D. White, Justin M. Wood 2008-3-25 11784 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  JEPS1853  Pholistoma membranaceum Marjorie D. Clary 1932-4-3 1617 Riverside 1/4 mi. s.w. Indio (Deep Canyon); Colorado Desert, Deep Canyon 365 Comment
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Nov 1 2011
  RSA420776  Phoradendron californicum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM9802  Phoradendron californicum Philip A. Munz 1921-12-31 4703 Riverside Andreas Canyon. Comment
  CSUSB307  Phoradendron tomentosum Dick Bernier 1966-5-7 Riverside Found on a Juniper in a small Juniper woodland along 395, 4 miles from Temecula 365 Comment
  CLARK-A1528-4361  Physalis crassifolia John C. Roos 1946-10-26 3149 Riverside Chuckwalla Mountains Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA4899  Physalis crassifolia Carl B. Wolf 1932-4-27 3015 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  CAS-BOT-BC60791  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside About 30 miles north of Ogilby, along road to Blythe. Comment
  UC1265379  Pilularia americana Robert F. Thorne and Earl Lathrop 1969-5-12 37919 Riverside s end Mesa de Colorado (Rancho California); Santa Rosa Plateau 624 Comment
  UCR55209  Pinus lambertiana J. A. Adams 1965-7-3 341 Riverside San Jacinto Mtns., Azalea Canyon above campground 1829 Comment
  CLARK-A1528-3629  Pinus monophylla John C. Roos 1938-8-7 586 Riverside San Jacinto Mountains Comment
  RSA0077527  Pinus ponderosa G. Wallace 1964-4-22 s.n. Riverside Idlewild Area. Comment
  CAS-BOT-BC79096  Pinus quadrifolia H. M. Hall 1901-6-1 2139 Riverside Santa Rosa Mountains, Coyote Canyon 1524 Comment
  NY62442  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM262897  Pinus quadrifolia J. C. Roos 1938-8-7 585 Riverside Summit Pines to Palms Road, San Jacinto Mt. Comment
  LA24977  Piperia cooperi M. Zaitlin; 1951-5-12 sn Riverside San Juan Canyon, Hwy 74 914 Comment
  RSA588669  Piperia elongata Darin L. Banks, Steve Boyd 1995-10-26 825 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, N of the first grassland areas along trail. Approximately 0.8 miles from the Wilderness boundary. 720 Comment
  SD227712  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. Comment
  UCR12624  Pityrogramma triangularis K. H. Fisher 1968-5-14 3 Riverside Santa Ana Mtns., Santa Rosa Plateau, near De Luz & Saxman Grade Rd where De Luz Creek crosses road c. 8 mi SW of Saxman Grade stone marker 152 Comment
  RSA180513  Plagiobothrys acanthocarpus E. W. Lathrop 1960-3-25 4687 Riverside 14 miles west of Murrieta. Comment
  UCR135816  Plagiobothrys acanthocarpus A. C. Sanders, Guy Bruyea 2004-4-2 27448 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  SEINET272164  Plagiobothrys arizonicus G. K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 B Riverside Riverside Co CA. 2.8 mi SE of Gilman Hot Springs. UTM 10km cell: NH-0E 4N. Gilman Hot Springs. 518 Comment
  SBBG120004  Plagiobothrys canescens A. C. Sanders with K. Volansky 2005-3-17 29236 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR140897  Plagiobothrys collinus Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR239801  Plagiobothrys collinus var. californicus O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  UCR241806  Plagiobothrys collinus var. californicus A. C. Sanders, Dave King 2013-4-11 40792 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  UCR249835  Plagiobothrys collinus var. californicus T. B. Salvato, John Lovio 2013-3-19 7357 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  SEINET10805514  Plagiobothrys collinus var. fulvescens Mitch C. Provance 2003-4-26 Provance 9895 Riverside Santa Ana River Vlley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common) 274 Comment
  RSA750554  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2009-5-21 12881 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR75046  Plagiobothrys jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12143 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC494752  Plagiobothrys nothofulvus Philip A. Munz 1932-3-24 12013 Riverside Corona 365 Comment
  UCR116457  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  POM287591  Plagiobothrys tenellus Lyman Benson 1932-3-26 3175 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR266816  Plagiobothrys undulatus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 09 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  VVC2184  Plagiobothrys undulatus Tim Thomas, Bill Baker 1983-6-30 579 C Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  SDSU13316  Plantago erecta Shawn Johnston, Calif. Taxonomy Class spring 2000 2000-4-1 9 Riverside Santa Margarita Ecological Reserve North end. Comment
  UC2029934  Plantago erecta Steve Boyd 2001-4-12 10413 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR226064  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38967 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  UCR241223  Plantago major Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 519 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA640317  Plantago major Louis C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  UCR217800  Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR29821  Plantago ovata George K. Helmkamp 1983-3-24 383- 17 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA402036B  Plantago ovata var. fastigiata M. B. Dunkle 1933-5-6 3446 Riverside Painted Canyon Comment
  RSA550350  Plantago ovata var. fastigiata Walter Wisura, J. Dolan, M. Wall 1992-3-24 4638 Riverside 1.9 miles S of I-10 on road to Corn Spring Comment
  SBBG7268  Plantago ovata var. fastigiata H. and M. Dearing 1938-3-6 1974 Riverside Painted Cyn, Colorado Desert Comment
  RSA401949A  Plantago patagonica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA711031  Plantago patagonica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16240 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. 335 Comment
  UC1929304  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass; Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. Comment
  UCR3586  Platanthera dilatata var. leucostachys Frank C. Vasek 1964-7-25 640725- 02 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  CAS-BOT-BC93217  Platanus racemosa Herman Knoche 1919-6-1 594 Riverside Palm Springs. Comment
  UCR91742  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  CAS-BOT-BC91875  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside Two miles south of Temecula. Comment
  RSA615388  Platystemon californicus A. C. Sanders, G. K. Helmkamp 1997-3-15 s.n. Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn, NE slopes of a small hill. 473 Comment
  RSA766067  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine St. at Peach Tree St. 341 Comment
  UC372894  Plectritis ciliosa subsp. insignis Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  SEINET3162856  Plectritis macrocera M. E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  POM1026  Pleuraphis rigida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  POM7107  Pleuraphis rigida P. A. Munz 1919-5-7 2790 Riverside Mouth of Tahquitz Canyon. Comment
  RSA778524  Pleuraphis rigida Amber Swanson, Linda Jean Foster 2011-10-8 634 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  UC38597  Pleuraphis rigida H. M. Hall June, 1901 2118 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of the Colorado Desert, San Jacinto Mountains Comment
  UCD134970  Pleurocoronis pluriseta J. C. Roos 1966-3-10 s.n. Riverside 3 miles southwest of Desert Center, Chuckwalla Mtns. Comment
  SEINET12534744 Image available Pluchea camphorata G. R. Hall s.n. Riverside Near Riverside Comment
  UCR2674  Poa annua F. M. Reed 1904-3-11 661 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR18504  Poa bulbosa A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  UCR104905  Poa howellii A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20646 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  RSA741264  Poa pratensis Scott D. White, Justin M. Wood 2008-7-10 12455 Riverside Fobes Spring 1500 Comment
  UC38599  Poa pratensis subsp. pratensis H. M. Hall July, 1901 Riverside Fuller's Mills Mts; San Jacinto Mts 1584 Comment
  SEINET186899 Image available Poa secunda Philip A. Munz 15658 Riverside North slope .Whitewater Canyon , 2 miles north of Banning-Indio boulevard. Comment
  UCR113043  Poa secunda Mitch Provance 1998-3-31 305 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the quarries. 366 Comment
  CAS-BOT-BC242994  Poa secunda subsp. secunda Philip A. Munz 1940-3-22 15658 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Road Comment
  RSA614165  Poa secunda subsp. secunda D. L. Banks 1997-2-23 1312 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA0105849  Polycarpon tetraphyllum Alan Romspert 2000-7-26 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  SEINET1004867  Polygala acanthoclada Annie M. Alexander, Louise Kellog 1941-1 Riverside Comment
  UCR217566  Polygala cornuta var. fishiae Jeff B. Galvin 2008-6-3 50 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Just west of De Luz Creek, along Avocado Mesa Rd. 547 Comment
  UCR217659  Polygala cornuta var. fishiae Diane Menuz, Joe Veverka 2007-8-2 334 Riverside Santa Ana Mountains, Temecula Canyon, Santa Margarita Ecological Reserve, 2km north of San Diego County line and 3.75 km west of Hwy I-15, 300 m upstream of sharp bend in the Santa Margarita River, near the intersection of a tributary to the southeast. 222 Comment
  JOTR32468  Polygonum aviculare subsp. depressum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2613 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UC1930144  Polypodium californicum Scott D. White 2003-3-21 8806 Riverside SANTA ROSA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  SEINET10522814  Polypogon interruptus David B. Dunn, A. Folsom 1948-6-17 Dunn 3798 Riverside At camp in Pushawalla canyon under palms. Comment
  UCR275326  Polypogon monspeliensis Jeremiah George, Mitch Provance 2012-4-23 s.n. Riverside San Gorgonio Pass, Banning, 1.4 mile SCE powerline right-of-way from corner of Bobcat Rd. & Turtle Dove Ln. to just west of KOA camp at corner of Hwy 243 and Wesley St. 713 Comment
  UCR90617  Polypogon monspeliensis Scott D. White 1995-6-29 3403 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SEINET3244163  Polypogon viridis A. C. Sanders, Mark Elvin 2002-1 25224 Riverside NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
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Jul 29 2013
  UC1561679  Polystichum scopulinum Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7430 Riverside n side of Red Tahquitz Peak (head of Andreas Canyon); San Jacinto Mts. 2438 Comment
  CAS-BOT-BC102591  Populus fremontii L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  POM360762  Populus fremontii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
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Mar 28 2011
  UC846012  Populus fremontii subsp. fremontii Ira L. Wiggins 1937-2-19 8573 Riverside roadside 2.5 mi n Ripley Comment
  RSA506841  Porophyllum gracile Steve Boyd 1985-7-23 s.n. Riverside De Luz Rd., 3.5 mi west of jtn with Tenaja Trail. Comment
  RSA736580  Porophyllum gracile Keith E. Hoffmaster 1934-4-8 153 Riverside Santa Ana Mts. 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
  UCR202324  Portulaca oleracea Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR37485  Potamogeton crispus Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  CAS-BOT-BC267210  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, canyon bottom along San Mateo Creek at confluence with Bluewater Creek 329 Comment
  RSA0130690  Potamogeton pectinatus S. B. Bryant 1942-6-18 11277 Riverside Lake Norco Comment
  RSA713904  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-6-24 s.n. Riverside Long Valley Comment
  UCR44442  Prosopis glandulosa A. C. Sanders, B. Pitzer 1986-4-30 6494 Riverside San Jacinto Valley, Gilman Springs Road, 0.3 mi. SE of Jackrabbit Trail. 457 Comment
  UCR45120  Prosopis glandulosa L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  JOTR32425  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  POM348733  Prosopis glandulosa var. torreyana Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
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Jul 5 2010
  RSA387390  Prosopis glandulosa var. torreyana Steve D. Boyd 1986-4-10 1646 Riverside Temescal Canyon: Along De Palma Road between Indian Truck Trail and Horsethief Canyon. 1.2 mile E of Indian Truck Trail. Comment
  CAS-BOT-BC158582  Prunus David Dreyer 1968-4-9 s.n. Riverside Along north facing slopes of south side of Morongo Valley 609 Comment
  OBI10061  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canon Comment
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Jun 21 2012
  SBBG71041  Prunus fremontii Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  RSA388401  Prunus ilicifolia Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61195 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon.Santa Rosa Island. W side of Tecolote Canyon, just S of Smith Highway. 535 Comment
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Dec 26 2009
  SEINET5569259  Prunus ilicifolia H. S. Gentry 1954-1 14244 Riverside Northwest of Aguanga, along road to Sage. Comment
  UCR41365  Prunus ilicifolia N. M. Fellows, A. C. Sanders 1985-5-7 187 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
  RSA454189  Prunus virginiana var. demissa Robert L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  CAS-BOT-BC356336  Psathyrotes ramosissima Mrs. Robert Campbell 1921-11-26 s.n. Riverside Between Palm Springs and Indian Wells Comment
  UC74008  Psathyrotes ramosissima Dr. R. J. Smith 1904-5-18 325 Riverside desert near White Water Comment
  UC829345  Psathyrotes ramosissima Lewis S. Rose 1936-12-20 36795 Riverside 10 mi e Garnet (L. A. Aqueduct road) Comment
  UCR128938  Psathyrotes ramosissima Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR29849  Psathyrotes ramosissima George K. Helmkamp 1983-3-24 383- 7 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  UCR280993  Pseudognaphalium leucocephalum Mitch Provance 2017-5-25 517- 65 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UCR169369  Pseudotsuga macrocarpa June Latting 1972-5-3 s.n. Riverside San Jacinto Mtns, 1 mile east of Keen Summit, 2.5 miles east of Mountain Center (junction of Calif. Hwy 74 and Calif. Hwy 243), a short distance east of Pasadena YMCA camp on the south side of Calif. Hwy 74 1402 Comment
  UCR112396  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  CLARK-A1528-5058  Psoralea californica John C. Roos 1941-5-10 125 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC354258  Psorothamnus arborescens var. minutifolius F. Almeda 1976-6-5 2822 Riverside 4-5 mi. N of Interstate Hwy #10 off Whitewater Canyon Comment
  SEINET3133952  Psorothamnus arborescens var. simplicifolius S. B. Parish 1907-4-3 6108 Riverside W border of the Colorado Desert 150 Comment
  UC56449  Psorothamnus emoryi F. Gilman 1902-1 Riverside Palm Springs Palm Springs (Southern California) Comment
  SDSU5216  Psorothamnus schottii D. F. Howe 1952-4-27 2190 Riverside 5 miles south of highway east of Mecca, along All-American Canal. Comment
  UCR124002  Psorothamnus schottii George K. Helmkamp, E. A. Helmkamp 2001-4-14 6463 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  RSA171395  Pterostegia drymarioides J. D. Olmsted 1962-5-2 3466 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  UCR152636  Pterostegia drymarioides A. C. Sanders 2005-4-22 29611 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA781946  Punica granatum A. C. Sanders 1997-5-1 20615 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  HSC25805  Purshia tridentata var. glandulosa Richard Spjut 1972-3-13 2265 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  JOTR31163  Purshia tridentata var. glandulosa La Doux, Tasha 2009-6-3 1869 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  RSA0042978  Quercus Jeremiah George 2012-8-13 s.n. Riverside west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  POM48871  Quercus X morehus P. A. Munz, I. M. Johnston 1924-7-26 8706 Riverside Head of grade, 8 miles SE of Banning. 1372 Comment
  JOTR32648  Quercus X munzii La Doux, Tasha, Mike Bell 2006-11-22 1615 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Queen Valley area; Live Oak picnic area 1267 Comment
  LA43654  Quercus agrifolia George A. Schaefers; 1953-5-23 sn Riverside San Jacinto Mountains, 4 mi. N of Pinon Flats, Hwy 74 1371 Comment
  RSA0106807  Quercus agrifolia Mitch Provance, Jeremiah George 2012-8-4 812 -44 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 752 Comment
  RSA614235  Quercus agrifolia A. C. Sanders, G Helmkamp 1997-3-15 19979 Riverside Lake Skinner area, N foot of 1700 ft. hill E of Bachelor Mtn., 488 Comment
  SD193293  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31543 Riverside Upper Bautista Canyon, 0.8 mile below Trip[p Flat Road. 1128 Comment
  UCR158900  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31551 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  RSA78297B  Quercus agrifolia var. oxyadenia P. A. Munz, E. K. Balls 1952-8-21 17994 -B Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  UC64103  Quercus berberidifolia H. M. Hall 1901-8-6 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UCR23009  Quercus berberidifolia Saul Frommer 1981-3-26 s.n. Riverside Agua Tibia Mtns, Dripping Springs on the north side of the Agua Tibia Mtns. 10.7 mi east of I-15. 488 Comment
  UCR249999  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR264644  Quercus berberidifolia Mitch Provance 2012-4-27 412- 19 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  LA46443  Quercus chrysolepis Carl Epling; 1931-10-4 sn Riverside San Jacinto Mountains, Idyllwild 1371 Comment
  CDA39789  Quercus cornelius-mulleri Mike Lahti, Suzanne Nikau Counter 2014-1-13 PDR# 331 P06141760 Riverside Pinyon Flats Campground along Highway 74 near Mountain Center. San Bernardino National Forest. 0 Comment
  SBBG44664  Quercus cornelius-mulleri W. B. Holt 1941-10-21 10 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  POM123042  Quercus kelloggii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  CAS-BOT-BC104994  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  UCR241247  Quercus wislizeni T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1211 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
  UCR273976  Quercus wislizeni Mitch Provance 2012-4-27 412- 29 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UC1135917  Quercus wislizeni var. frutescens A. Lewis Mar 1934 370 Riverside Mojeska Peak Cleveland National Forest, Corona Quad. 1219 Comment
  UCSB34691  Quercus wislizeni var. wislizeni Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 3.5 mi south of Idyllwild (1.4 mi n. of Mountain Center) on calif. Hwy 243, San Jacinto Mtns Comment
  CAS-BOT-BC362620  Rafinesquia neomexicana L. R. Abrams 1926-3-26 11101 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  CAS-BOT-BC362622  Rafinesquia neomexicana H. M. Hall; L. A. Greata 1905-4-1 5873 Riverside Chuckawalla [Chuckwalla] Mts. Comment
  UC566695  Rafinesquia neomexicana Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  UC829462  Rafinesquia neomexicana Lewis S. Rose 1937-4-9 37143 Riverside 14 mi w Indio (Palms to Pines Highway) 731 Comment
  UC829464  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains, Southern California 609 Comment
  RSA95061  Rafinesquia neomexicana F. W. Peirson 1920-2-16 2762 Riverside Garden of Eden at Palm Springs Comment
  UCR386  Ranunculus aquatilis Emily E. McGregor 1972-4-30 s.n. Riverside Peninsular Range, 0.5 mi west of Tenaja Station, Tenaja Rd. (6S08). Comment
  UCR207255  Ranunculus muricatus O. F. Clarke 2002-5-25 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR207340  Ranunculus muricatus O. F. Clarke 2004-3-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CHSC109258  Ranunculus sceleratus Scott D. White; Justin M. Hood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  SD232318  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Pond, creek, and adjacent uplands. 1426 Comment
  CLARK-A1528-361  Raphanus sativus Fred B. Essig 1966-5-21 Riverside Santa Ana River Comment
  SEINET1004353  Rhamnaceae A. C. Sanders, Mike Misenhelter 2004-1 28836 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(Wildormar 7.5' Q) 640 Comment
  SEINET13946317 Image available Rhamnus crocea Scott D. White 1996-1 3872 Riverside Bundy Cyn, SE of Lk Elsinore. About 1 road mile (-+0.2 mi) E. of Bundy Cyn Rd exit from 1-15 freeway; USGS Lake Elsinore 7.5'topo map. +- 40 ft. S of rd along mapped intermittent blueline stream [Quercus agrifolia riparian woodland w Salis Laevihata, Platamus racemosa] and adjacent N-and W-facing slopes covered by mixed chaparral and coastal sage scrub spp. 450 Comment
  UCR97494  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  HSC87045  Rhamnus ilicifolia David Charlton 1988-5-21 1909 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  JEPS42036  Rhamnus ilicifolia M. French Gilman Apr 1921 Riverside Beaumont Comment
  RSA314404  Rhamnus ilicifolia Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55387 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA526085  Rhamnus ilicifolia Steve Boyd, Tim S. Ross 1990-5-11 4658 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
  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
  POM320393  Rhododendron occidentale Greg Wright 1971-7-15 290 Riverside County Highway R1, Black Mountain Creek. San Jacinto Mountains 1677 Comment
  UCSB31577  Rhododendron occidentale Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC167969  Rhus ovata John C. Roos 1950-10-15 5007 Riverside Dry Morongo Canyon about 1 mile S. of Riverside-San Bernardino County line 609 Comment
  LA62865  Rhus ovata Elizabeth McClintock; 1939-12-28 sn Riverside San Timoteo Canyon Comment
  UC1329869  Rhus trilobata James E. Cole 1941-5-23 775 Riverside Split Rock Area; Joshua Tree National Monument 1280 Comment
  RSA586155  Ribes amarum D. L. Banks, Steve D. Boyd 1995-3-30 120 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  CDA25536  Ribes indecorum B. Kobaly 1964-8-12 Riverside Idyllwild, San Jacinto Mountains. 0 Comment
  RSA614529  Ribes indecorum Unspecified 1994-1-1 15226 Riverside San Jacinto Mts: Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Road. 915 Comment
  SEINET13942611 Image available Ribes malvaceum Joseph Andorfer Ewan 1933-1 10896 Riverside Bushy canyong bottom. Tin Mine Canyon, Santa Ana mountains 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
  UCSB2647  Ribes nevadense Newby, Ron 1959-5-16 Riverside 10 miles N of Idyllwild on hiway to Banning; in the San Jacinto mountains 1828 Comment
  RSA674551  Ribes speciosum Scott D. White 2000-5-1 7750 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR4163  Ricinus communis R. H. Sauer 1965-4-30 s.n. Riverside Peninsular Range, Intersection of Chase Drive and Skyline Drive, 3.5 mi SW of Corona 244 Comment
  UCR172277  Robinia pseudoacacia John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  UC284743  Romneya coulteri P. A. Munz 1923-6-14 7108 Riverside Trail, Glen Ivy to Santiago Peak, Santa Ana Mountains Glen Ivy; Santa Ana Mountains 1005 Comment
  UCR84611  Rorippa nasturtium-aquaticum Scott D. White, S. Ogg 1994-4-21 2005 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA191417  Rosa californica Robert F. Thorne, E. W. Lathrop 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi NW of Murrieta. Comment
  UC64527  Rosa californica H. M. Hall 1897-6-4 588 Riverside Riverside Comment
  JEPS44747  Rubus parviflorus W. L. Jepson 1903-8-6 2278 Riverside Dark Canyon San Jacinto Mt., Dark Canyon 1524 Comment
  LA37948  Rubus parviflorus Carl Epling; 1938-8-14 sn Riverside San Jacinto Mountains, N fork, San Jacinto River Comment
  CAS-BOT-BC158733  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  UCR266341  Rumex D. E. Bramlet 1995-5-24 2428 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit, c. 1.83 km NE of Lakeview; east of Davis Road and 65 m south of the existing access [Contour] road, 168 m N of the San Jacinto River channel 434 Comment
  SD51945  Rumex californicus Reid Moran 1962-7-7 9861 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UC452559  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside railway water works, Mecca Salton Sink -57 Comment
Read comments
Feb 3 2011
  RSA0088438  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR134594  Rumex hymenosepalus Marisa Sripracha, Kyle Boyd 2004-2-14 010 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  RSA0014449  Rumex obtusifolius Justin M. Wood 2010-3-4 1421 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  UCR167685  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-23 1296 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  SD136842  Rupertia physodes Steve Boyd, Time Ross 1992-5-15 7401 Riverside San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails. 671 Comment
  UCR90800  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17985 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  UC489199  Sagina saginoides C. V. Meyer 1928-7-26 541 Riverside San Jacinto Mt., Deer Springs 2743 Comment
  RSA82186  Salazaria mexicana Emma Mundy 1921-3-22 4484 Riverside Andreas Canyon, near Palm Springs. Comment
  RSA0055075  Salazaria mexicana Jim Shevock 1970-12-13 561 Riverside White Tank, Joshua Tree National Monument. 1175 Comment
  UC64580  Salicornia subterminalis S. B. Parish 1897-6-18 4463 Riverside Menifee Comment
  HSC66447  Salix exigua Christopher Davidson, B. Gustafson 1977-4-7 593 Riverside Whitewater Canyon Road, (exit from I-10, 2.5 mi. W of junction I-10 with State 62, near start of Angeles Crest Trail.) 610 Comment
  RSA544280  Salix exigua Steve D. Boyd, Tim S. Ross 1991-6-14 6567 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
  UC469391  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  CAS-BOT-BC108145  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek 377 Comment
  SEINET10626236  Salix gooddingii Nye Leith, Greg Gust 2005-3-11 Nye 57 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  SDSU13821  Salix laevigata W. Miller, C. Mosse 1972-8-9 Riverside Comment
  JEPS14747  Salix lasiandra var. lasiandra Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon) 304 Comment
  JOTR36411  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA496743  Salix lasiolepis S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  UCR174233  Salix lasiolepis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32666 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
  UC4983  Salix lutea H. M. Hall 1901-7-17 2447 Riverside San Jacinto Mts., Tahquitz Creek 1828 Comment
  CAS-BOT-BC126323  Salix sessilifolia Milo S. Baker 1928-4-3 2832 b Riverside Tahquitz [Canon] Canyon near Palm Sps. Comment
  RSA772330  Saltugilia australis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4510 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR274304  Saltugilia australis T. B. Salvato, Melissa Clemons 2005-6-6 1424 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  SDSU12262  Salvia apiana Jeremy Mass, Ryan Jacobsen 2000-4-19 8 Riverside Roadside along Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR107740  Salvia apiana D. L. Banks 1997-5-5 1967 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 S fork of Pechanga Creek 427 Comment
  SBBG118441  Salvia clevelandii J. Henrickson 1979-4-7 17816 Riverside SE of Terwilliger, in upper Coyote Cyn, N of Fig Tree Cyn, ca. 18 mi NW of Borrego Springs 548 Comment
Read comments
Jan 9 2012
  SD138854  Salvia clevelandii Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 (mak 8/06) Comment
  RSA0123122  Salvia columbariae Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9032 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
  RSA401485A  Salvia columbariae Anstruther Davidson 1896-07 s.n. Riverside San Jacinto Mtns. Comment
  RSA766613  Salvia columbariae Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 173 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  RSA770428  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4871 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
  UCD125737  Salvia columbariae A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23884 Riverside Perris-Aguanga Basin region. Temecula, along E side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  UCR224449  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 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
  RSA356609  Salvia eremostachya Robert F. Thorne 1966-10-15 41814 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  SFV4249  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  UCR173153  Salvia mellifera Abby Sirulnik 2000-4-18 13 Riverside South Coast; Perris Basin, Motte Rimrock Reserve, NW of Perris 610 Comment
  UCR250569  Salvia mellifera A. C. Sanders 2014-4-25 41070 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCLA54125  Salvia mohavensis C. Epling and H. Lewis 1942-6-17 Riverside Keys View; Joshua Tree National Monument Comment
  RSA0099994  Salvia pachyphylla Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8576 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  CAS-BOT-BC233334  Salvia vaseyi W. G. Wright 1890-4-1 s.n. Riverside Whitewater, Colorado Desert Comment
  UCR240998  Sambucus mexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 19 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  UC1979556  Sambucus nigra subsp. caerulea Darin L. Banks, Steve Boyd 1995-5-3 270 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  RSA691959  Sanicula arguta Scott D. White, Michael Honer 2003-4-9 8978 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA524590  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3904 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  UCR42583  Sarcostemma cynanchoides B. G. Pitzer 1986-4-26 0185 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA597079  Schedonorus arundinaceus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1117 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  RSA735903  Schedonorus arundinaceus Scott D. White, Justin M. Wood 2008-6-24 12289 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR209179  Schinus polygamus A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37155 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  SBBG92729  Schismus arabicus D. Charlton 1988-2-18 1192 Riverside S side of Cottonwood Wash, 5 mi E of jct Dillon Rd and Fargo Cyn Rd 762 Comment
  UCR216113  Schismus arabicus Jim Andre, T. La Doux 2009-2-25 10812 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  CAS-BOT-BC243465  Schismus barbatus John Thomas Howell 1956-3-19 31118 Riverside San Jacinto Comment
  RSA683907  Schismus barbatus Michael Denslow, Tim Thibault 2004-2-20 1909 Riverside Along Hwy. 111, northwest of Palm Springs, in sandy vacant lot below Windy Point. (Hot Springs Quad.) 306 Comment
  RSA776627  Schismus barbatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 941 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR121349  Schismus barbatus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25029 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR129353  Schoenoplectus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Santa Ana River Valley, along road on south side of Prado Flood Control Basin east of Prado Dam, east of Chino Hills 152 Comment
  UCSB55399  Schoenoplectus americanus Wheeler, Louis 1932-9-4 Riverside Santa Ana River; at Chino Creek 182 Comment
  SBBG37513  Scrophularia californica R. N. Muller 1962-5-5 34 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  UCR199569  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM184168  Scrophularia californica subsp. floribunda Philip A. Munz 1932-3-24 12029 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  RSA182336  Scrophularia californica subsp. floribunda J. D. Olmsted 1962-5-2 3448 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA0036810  Scrophularia californica subsp. floribunda Bob Rogers 1984-4-28 25 Riverside Adjacent to and on the south side of Highway 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1219 Comment
  SBBG92462  Sedum spathulifolium B. Pitzer, S. Myers, J. Wilkinson, T. Glenn 1986-6-22 637 Riverside NE of Banning, E branch of Millard Cyn, along trail to Kitching Pk Comment
  POM47174  Selaginella bigelovii Mary F. Spencer 1920-4-7 1468 Riverside Palm Canyon; Colorado Desert. 244 Comment
  POM6471  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1824 Riverside Lakeview Mountains: south end of Juniper Flat 609 Comment
  UCR90978  Selaginella bigelovii Scott D. White 1996-3-23 3844 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UC218678  Selaginella eremophila