Search Results — 2000 specimen records retrieved (1893 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET10719539  Abies concolor var. lowiana Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 18 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  CAS-BOT-BC229357  Abronia villosa W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  POM122577  Abronia villosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM305641  Abronia villosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 858 Riverside Desert center, Mojave Desert Comment
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Dec 16 2011
  RSA0046826  Abronia villosa Tamara Joy Hanna 1991-5-4 15 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  RSA115922  Abronia villosa var. aurita Richard Snow 1956-7-13 317 Riverside Near Hemet meadow, on the Pines to Palms Highway. Comment
  UC1234717  Abronia villosa var. aurita Philip A. Munz 1957-6-6 22731 Riverside 2 mi n Alberhill; Temescal Canyon Comment
  UCR250105  Abronia villosa var. aurita A. C. Sanders 2014-4-9 40992 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  RSA0030910  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake. 1300 Comment
  RSA17761  Acacia farnesiana C. Epling, Wm. Robison 1935-2-6 s.n. Riverside Lower California- Cahualli Comment
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Sep 3 2010
  JEPS64732  Acacia greggii W. L. Jepson 1912-10-29 5246 a Riverside near Blach Point (Riverside Mountains, along the Colorado River, Blythe Intake, Needles to Yuma); Riverside Mountains, Colorado River, Blythe Intake 88 Comment
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May 15 2011
  RSA0117838  Acamptopappus sphaerocephalus var. sphaerocephalus Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7803 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA20309  Acamptopappus sphaerocephalus var. sphaerocephalus Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9539 Riverside 2 Miles from Cottonwood Springs, Cottonwood Mts. Comment
  SBBG35092  Acamptopappus sphaerocephalus var. sphaerocephalus T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  UCR169320  Acer negundo T. B. Salvato, John F. Green 2004-5-27 619 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UC91276  Achillea millefolium A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. 2590 Comment
  CAS-BOT-BC218715  Achnatherum coronatum S. B. Parish; W. F. Parish 1882-5-1 872 Riverside Foothills of the San Bernardino Mts. Comment
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Aug 31 2019
  POM294594  Achnatherum hymenoides Lyman Benson 1955-1-8 15401 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
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Feb 19 2013
  JEPS484  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1455 Riverside Coyote Canyon Comment
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  JOTR34270  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3286 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  SDSU14012  Acmispon glaber var. brevialatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 14 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 335 Comment
  SD2552  Acmispon nevadensis var. nevadensis Florence Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
  SD70397  Acmispon rigidus W. L. Jepson 1914-5-17 Riverside Summit Cottonwood Mountains 914 Comment
  RSA0118391  Acmispon rigidus Lyman Benson 1949-3-28 13559 Riverside Pines to Palms Highway from Palm Springs to Hemet; rocky mountainside. Mt. Range: Santa Rosa. 731 Comment
  RSA192185  Acourtia microcephala E. W. Lathrop 1960-6-8 4934 Riverside 14 miles west of Murrieta Comment
  UCR262562  Acourtia microcephala T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3759 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA676103  Adenophyllum porophylloides Scott D. White 2001-4-17 8333 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  CDA22503  Adenostoma fasciculatum Mike Lahti 2008-7-16 PDR# 1473243 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  RSA770701  Adenostoma fasciculatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4805 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR174035  Adenostoma fasciculatum A. C. Sanders 2006-5-19 32432 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
  CAS-BOT-BC139863  Adenostoma sparsifolium Carl Epling 1931-10-4 s.n. Riverside On road between Hemet and Strawberry Valley, San Jacinto Mts. Comment
  RSA219220  Adenostoma sparsifolium C. W. Tilforth, J. Dourley 1970-10-16 320 Riverside Along State Highway 74 W of Mountain Center. Comment
  SBBG113412  Adenostoma sparsifolium D. Wilken with E. Painter 2000-11-4 15869 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  UC186704  Adenostoma sparsifolium S. B. and W. F. Parish July, 1881 552 Riverside San Jacinto <Ms.> Comment
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Mar 1 2011
  UC1971487  Adiantum capillus-veneris Louis C. Wheeler 1963-3-17 8245 Riverside SANTA ROSA MOUNTAINS: Martinez Canyon. Comment
  SEINET273140 Image available Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner Area; along foot trail at W base of Tucalota Hills UTM 10km cell; MH-9E 1N. Skinner Reservoir 518 Comment
  UCR39540  Agrostis pallens A. C. Sanders 1980-7-22 1727 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR24967  Agrostis scabra A. C. Sanders 1980-7-22 1699 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UC36991  Agrostis viridis H. M. Hall July, 1901 2252 Riverside Fuller's Mill Mountains San Jacinto Mountains 1615 Comment
  SD70778  Aliciella latifolia David B. Dunn 1948-2-21 3672 Riverside Pushawalla. Comment
  UCR208853  Allionia incarnata Scott D. White 2001-4-17 8331 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  UCR89697  Allionia incarnata J. M. Stewart 1990-10-28 665 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  JEPS121591  Allionia incarnata var. incarnata Adam C. Schneider with Will Freyman 2014-2-16 386 Riverside Box Canyon Road. Comment
  CAS-BOT-BC247  Allium cratericola Philip Alexander Munz; Ivan Murray Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mts 1417 Comment
  CAS-BOT-BC237  Allium fimbriatum var. munzii Philip Alexander Munz 1922-4-29 5051 Riverside 3 miles south of Glen Ivy Comment
  SD127567  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1781 Riverside Grassy area on clayey soil over cobble, shallow north-facing draw, just west of third powerline tower, north of summit. 840 Comment
  UCR174121  Allium haematochiton A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32612 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
  UCR29261  Allium lacunosum var. lacunosum A. C. Sanders 1980-6-11 1577 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  RSA543582  Allium munzii Steve Boyd 1991-5-7 6164 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SJSU7104  Allium munzii N. D. Addy 1962-4-16 Riverside by Railroad Canyon Rd c. 4-5 mi E of Elsinore 396 Comment
  JOTR30649  Allium parishii La Doux, Tasha, Erin Babich 2008-4-21 1809 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  HSC84077  Allium parryi Dale McNeal 1981-5-20 2545 Riverside Morris Ranch Rd., 2.2 mi. E of Hwy. 74 at Kenworthy R.S., San Bernardino National Forest Comment
  RSA263730  Allophyllum glutinosum E. W. Lathrop 1968-5-22 6907 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR108853  Allophyllum glutinosum Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA648741  Alnus rhombifolia J. C. Roos 1948-5-8 3828 Riverside Along stream at Whitewater. 518 Comment
  RSA702271  Alopecurus saccatus Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2081 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  SD68947  Alopecurus saccatus Robert F. Thorne, E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau, open dessicated mud at margin of vernal marsh, Mesa de Colorado. 671 Comment
  RSA500562  Amaranthus albus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3609 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SDSU13826  Amaranthus blitoides W. Miller, C. Mosse 1972-8-9 Riverside Comment
  RSA2871  Amaranthus fimbriatus C. B. Wolf 1931-10-14 2455 ` Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  RSA451024  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1014 Riverside U.C.R. garden plots. Comment
  UCR274784  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  JEPS123814  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain USGS 7.5' Quad. Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  JOTR36384  Ambrosia acanthicarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3338 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  IRVC727  Ambrosia confertiflora Linda Stilgenbauer 1965-4-25 s.n. Riverside Hwy 74 above Elsinore. Peninsular Ranges, Santa Ana Mountains Comment
  CLARK-A1528-163  Ambrosia dumosa Sally Bell 1964-3-24 Riverside Thousand Palms 60 Comment
  RSA650429  Ambrosia dumosa Marion P. Harthill 1973-2-17 1556 Riverside Snow Creek, Palm Springs 366 Comment
  SD233253  Ambrosia dumosa Aaron C. Sedgwick, Duncan Bell 2012-9-12 117 Riverside Mojave Desert; Southcentral Mojave Desert region: Rice Valley - Take Rice/Blythe Rd. south about 3 mi. from Hwy. 62, then head E on an unmarked BLM road. 235 Comment
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  SD131197  Ambrosia pumila David B. Zippin 1991-5-30 138 Riverside 40 m W of Skunk Hollow Vernal Pool, Bachelor Mtn. Quad Comment
  CAS-BOT-BC273014  Ambrosia salsola L. R. Abrams 1926-3-26 11021 Riverside Palm Springs Comment
  CAS-BOT-BC273023  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. s. of Palm Desert, along Palms to Pines Hiway Comment
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
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Nov 23 2010
  POM49026  Amorpha californica Charlotte M. Wilder 1905-4-14 s.n Riverside North slope of Jurupa Hills. Comment
  RSA125778  Amorpha fruticosa Kay H. Beach 1942-10-22 1672 Riverside Along wash 3 miles on the road to Reche canyon from the junction of Redlands blvd. and Locust street. North of Moreno. Comment
  UC13288  Amorpha fruticosa H. M. Hall June, 1901 2121 Riverside San Jacinto Mts.; e base, along borders of Colorado Desert Comment
  RSA523552  Amsinckia intermedia G. H. True 1936-2-22 10 Riverside Mockingbird Canyon [in or near City of Riverside -SDW] 457 Comment
  SDSU18981  Amsinckia intermedia C. Matt Guilliams 2008-2-27 488 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR140320  Amsinckia intermedia A. C. Sanders, Guy Bruyea 2004-4-2 27406 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA0089632  Amsinckia intermedia D. L. Banks 1997-3-1 1387 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR274308  Amsinckia retrorsa T. B. Salvato, Melissa Clemons 2005-6-6 1426 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
  RSA27891  Amsonia brevifolia var. tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 0.5 mile below Cottonwood Springs Comment
  JEPS49773  Amsonia tomentosa H. M. Hall May, 1905 6007 Riverside Cottonwood Pass e. Riverside Co., Cottonwood Mts., Cottonwood Pass Comment
  JOTR30054  Amsonia tomentosa La Doux, Tasha, Jade Mohajerin 2006-10-12 1664 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  LA202847  Amsonia tomentosa Martha Hilend; 1932-3-25 sn Riverside Chuckawalla Mts. about 3 mi. above Corn Spring Comment
  UC667382  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-4-29 2102 Riverside 10 mi. s. 29 Palms; Joshua Tree Nat'l Monument 1158 Comment
  RSA524599  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3914 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA608265  Anisocoma acaulis K. Watkins, Elizabeth McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway: Near road to Shumway. Comment
  UCR23238  Anisocoma acaulis J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UC218084  Antennaria rosea P. A. Munz 1922-9-7 6403 Riverside Tamarack Valley San Jacinto Mts., Tamarack Valley 2804 Comment
  SEINET3132559  Antennaria rosea subsp. rosea F. M. Reed 1908-7-10 2425 Riverside Round Valley Comment
  RSA645683  Anthemis cotula Scott D. White 1999-5-20 7375 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
Read comments
Dec 21 2010
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. Comment
  UCR137357  Antirrhinum coulterianum John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  JOTR32148  Antirrhinum filipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2304 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UC1262268  Antirrhinum kelloggii E. W. Lathrop 1969-5-8 7010 Riverside trail between El Carriso and San Mateo Canyon (Main Divide Truck, Santa Ana Mountains); Santa Ana Mountains, Cleveland National Forest 1219 Comment
  UCR174304  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32645 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
  SEINET3158975  Antirrhinum nuttallianum subsp. nuttallianum D. M. Jackson, R. W. Spellenberg 1972-5-19 191 Riverside growing 9.5 mi S of Hemet Comment
  RSA501011  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3130 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA747562  Apiastrum angustifolium Michael Honer 2003-4-11 1819 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 . 640 Comment
  UCR177421  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  OBI37485  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd, 7 mi W of Rancho Calif 366 Comment
  RSA0126210  Arabis glabra D. Charlton 1988-5-21 1965 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  CLARK-A1528-4978  Arabis pulchra John C. Roos 1947-2-15 3232 Riverside Eagle Mountains Comment
  UC170148  Arbutus menziesii Geo. R. Hall 1912-1-1 Riverside Santiago Peak; Santa Ana Mountains, Santiago Peak 1524 Comment
  RSA629157  Arctostaphylos Jon E. Keeley 1992-7-17 16790 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629176  Arctostaphylos Jon E. Keeley 1992-7-16 16602 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA697538  Arctostaphylos bicolor J. Russell Bruff 1929-1-1 410 Riverside Roadside foot of Jackrabbit Grade. Comment
Read comments
Mar 20 2011
  RSA629389  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19510 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629413  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19502 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629474  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19513 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629478  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15534 Riverside Road to Elsinore Pk., 7 km south of Highway 74. 900 Comment
  UCR275944  Arctostaphylos glandulosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3789 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  RSA631757  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21809 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631776  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19272 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UC876404  Arctostaphylos glauca F. R. Fosberg 1939-3-9 S 1532 Riverside small steep side canyon Mission Canyon Comment
Read comments
Feb 17 2013
  RSA633589  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22521 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633624  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16698 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633628  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22660 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633637  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20134 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633652  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20146 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  POM12411  Arctostaphylos patula subsp. platyphylla P. A. Munz 1922-9-7 6415 Riverside North fork of Tahquitz Creek. 2287 Comment
  RSA297169  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-06 207 Riverside Saunder's Meadow, San Jacinto Mts. 1676 Comment
  RSA635642  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16725 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  RSA652424  Arctostaphylos pringlei subsp. drupacea Jack Starnes 1949-4-15 s.n. Riverside Colected San Jacinto Mts. Near [Idyllwild]. 1524 Comment
  RSA652428  Arctostaphylos pringlei subsp. drupacea Peter Gail 1961-5-6 s.n. Riverside Hemet Lake, San Jacinto Mts. Comment
  POM12029  Arctostaphylos pungens Mary F. Spencer 1919-6-19 1324 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA635774  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16584 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635778  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16724 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  RSA752547  Arctostaphylos pungens Justin M. Wood 2009-3-10 350 Riverside Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  RSA636173  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19480 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  UCR90385  Arenaria douglasii Steve Boyd 1995-4-24 8480 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR35130  Arenaria macradenia subsp. ferrisiae L. B. Ziegler 1972-6-12 478 Riverside San Jacinto Mtns,, canyon above Kenworthy Ranger Station. 1402 Comment
  JOTR01017  Arenaria macradenia var. macradenia Cole, James E. 1941-6-9 854 Riverside Joshua Tree National Park. LOST HORSE PASS 1371 Comment
  CSUSB1035  Argemone munita Richard L. Irwin 1962-4-21 41 Riverside In river bottom ca 1/4 mile Sw. of the Mission Blvd. (U.S. Hwy. 60) bridge over the Santa Ana River. 243 Comment
  UCR56014  Argemone munita J. A. Adams 1965-5-9 206 Riverside San Jacinto Mtns., NE side of Mtns, Palm Springs Area, 1 mi below tramway up Mt. San Jacinto 915 Comment
  RSA0002644  Argythamnia claryana Marjorie D. Clary 1936-10-24 1707 Riverside Foot of Santa Rosa Mts. about 10 miles west of Coachella. Comment
  CAS-BOT-BC207117  Argythamnia lanceolata Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11225 Riverside Western base of the Chocolate Moutnains, 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. Comment
  CLARK-A1528-4464  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mt. Rubidoux 365 Comment
  RSA517248  Aristida adscensionis Steve Boyd, Thomas S. Elias, Kirsten Winter 1986-2-18 1313 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA717652  Aristida adscensionis Scott D. White, Pam DeVries 2006-3-14 11251 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA735401  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11231 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
  SEINET191852  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  UC665890  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside 8 mi ne Desert Center (s end of mts.); Coxcomb Mountains Comment
  POM310162  Aristida adscensionis var. modesta Hulda Crooks 1946-3-2 271 Riverside Palm Springs area. 139 Comment
  UCR266909  Aristida purpurea D. E. Bramlet 1998-5-27 2630 A Riverside North Domenigoni Hills, c. 3-8 km ESE of Winchester 625 Comment
  JOTR32644  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd. 1385 Comment
  SEINET7596234 Image available Aristida purpurea var. purpurea Parish 1882-1 1549 Riverside San Jacinto Comment
  SEINET10842820  Artemisia J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12829 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
  UC1080343  Artemisia californica E. K. Balls and P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  IRVC491  Artemisia douglasiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 259 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  CAS-BOT-BC90573  Artemisia dracunculus H. A. Dutton 1899-1 s.n. Riverside Elsinore Comment
  CAS-BOT-BC90574  Artemisia dracunculus Philip A. Munz 1946-10-19 11566 Riverside Coahuila 1097 Comment
  JEPS49056  Artemisia dracunculus Lewis S. Rose 1966-12-14 66105 Riverside 3 mi w of Palm Springs; Chino Canyon 670 Comment
  JOTR32635  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UCD129327  Artemisia ludoviciana subsp. albula E. K. Balls; P. C. Everett 1957-11-4 22747 Riverside Snow Creek, about old Fish Hatchery, north base of San Jacinto Mountains. 701 Comment
  IRVC496  Artemisia ludoviciana subsp. incompta R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Above saw mill. Peninsular Ranges, Santa Rosa Mountains 1936 Comment
  UC1929757  Artemisia ludoviciana subsp. incompta Scott D. White 2003-10-9 9824 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. San Jacinto Peak 7.5' Quad. Comment
  RSA417353  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1931-10-4 171 Riverside San Jacinto Mountains. Strawberry Valley 1585 Comment
  RSA699312  Asclepias californica Pomeroy 1929-5-11 s.n. Riverside Between Lake Elsinore and Glenn Ivy. Comment
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Oct 22 2011
  RSA714008  Asclepias californica Elbert Benjamine 1929-5-18 221 Riverside Mt. San Jacinto. 1524 Comment
  UCR174621  Asclepias californica Jennifer H. Jones 2006-6-6 390 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCSB4928  Asclepias eriocarpa Kamb, Peter 1948-7-10 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  JOTR32021  Asclepias erosa La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2251 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  SJSU11072  Asclepias subulata R. C. McGehee 1970-5-1 260 Riverside Chuckwalla Springs Rd, 1 mi W of Graham Pass Rd c. 7 mi SW of Interstate Hwy 10 Comment
  UC68698  Asclepias subulata H. M. Hall May 1905 5995 Riverside near Indio; Colorado Desert 60 Comment
  UCR72211  Asclepias subulata Theo Glenn 1991-5-2 91- 126 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  SEINET13276755 Image available Asparagus officinalis Mitch Provance 2012-1 196 -08 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  RSA0041733  Astragalus aridus Sarah J. De Groot, April Garbat 2013-4-9 6999 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 232 Comment
  SBBG3151  Astragalus aridus H. and M. Dearing 1938-3-5 1978 Riverside between Blythe and Desert Center Comment
  SBBG68385  Astragalus crotalariae R. Hoffmann 1929-2-5 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR18985  Astragalus didymocarpus var. dispermus John C. Roos 1949-3-19 4113 Riverside Sonoran (Colorado) Desert, Near Indio Comment
  POM188069  Astragalus douglasii var. parishii L. Crutcher 1933-7-1 18 Riverside 1 mile below Camp Tahquitz Comment
  RSA415492  Astragalus douglasii var. parishii Robert Kessler 1921-9-1 s.n Riverside Summit of Tahquitz. 2439 Comment
  RSA741071  Astragalus douglasii var. parishii Scott D. White, Justin M. Wood 2008-6-5 12079 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC13444  Astragalus douglasii var. parishii H. M. Hall 1898-7-2 971 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley (San Jacinto Mountains, Southern California) Comment
  UCR214434  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37423 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  POM9368  Astragalus lentiginosus var. coachellae Mary F. Spencer 1920-3-17 1501 Riverside Whitewater. Comment
  UC397174  Astragalus lentiginosus var. coachellae S. B. Parish 1919-3-26 19189 Riverside Whitewater Crossing , Whitewater Crossing (Colorado Desert) Comment
  UCD170768  Astragalus lentiginosus var. coachellae George K. Helmkamp 1994-3-8 41 -11 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. and Varner Rd, below Edom Hill. 200 Comment
  SEINET6180770  Astragalus mohavensis var. mohavensis C. L. Hitchcock 1940-4-3 5930 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument.; 0 Comment
  RSA0124744  Astragalus nuttallianus var. imperfectus Duncan S. Bell, LeRoy Gross 2016-3-9 8841 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  SD87621  Astragalus nuttallianus var. imperfectus Frank W. Peirson 1922-4-9 584 Riverside Murray Canyon, near Palm Springs. Comment
  CHSC835  Astragalus palmeri V. Holt 1942-3-28 Riverside Santa Rosa mountains. 609 Comment
  RSA0100143  Astragalus palmeri Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8583 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA202707  Astragalus palmeri Marcus E. Jones 1933-4-2 s.n Riverside Palms to Pines Road, S of Coachella Valley. 1067 Comment
  RSA415640  Astragalus palmeri Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  CAS-BOT-BC192827  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  CHSC110689  Astragalus pomonensis Dean Wm. Taylor 2003-5-7 18539 Riverside Railroad Canyon, San Jacinto River (1.9 river miles upstream from maximum pool level for Railroad Canyon Reservoir). 426 Comment
  RSA523524  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3983 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD8527  Astragalus pomonensis Daniel Cleveland Apr 1880 Riverside San Jacinto Plains Comment
  UC56244  Astragalus pomonensis H. M. Hall Apr. 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  UC574974  Astragalus pomonensis C. Epling and J. Ewan June, 1933 Riverside 5 mi above Corona (Temescal Canyon); , above Corona Comment
  CAS-BOT-BC193162  Astragalus sabulonum Aven Nelson; Ruth Nelson 1939-3-30 3343 Riverside Between Mecca and Blythe on old road, hiway 60 Comment
  RSA779940  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2377 Riverside Just a few meters off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.8 air mile northeast of Red Dome. 867 Comment
  RSA692513  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  CLARK-A1528-2297  Athysanus pusillus John C. Roos 1952-2-29 5366 Riverside Reche Canyon 457 Comment
  UCR151410  Athysanus pusillus D. L. Banks 1997-5-1 1348 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 427 Comment
  UCR60776  Athysanus pusillus Steve Boyd 1986-3-1 1373 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  CAS-BOT-BC98820  Atrichoseris platyphylla R. Bacigalupi 1928-2-1 s.n. Riverside Colorado Desert - Painted Canyon Comment
  POM126265  Atrichoseris platyphylla Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  POM13995  Atrichoseris platyphylla Philip A. Munz, D. D. Keck 1922-4-9 4888 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA779583  Atrichoseris platyphylla Duncan S. Bell 2009-3-7 15 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR101566  Atrichoseris platyphylla Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR180227  Atrichoseris platyphylla Scott D. White, Pam Devries 2006-3-14 11254 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR75050  Atrichoseris platyphylla A. C. Sanders, E. Lawlor 1992-4-4 12105 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR139977  Atriplex argentea A. C. Sanders 2004-8-10 28771 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  SEINET3930763  Atriplex canescens Robert F. Thorne 1966-10-15 41790 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Hwy.; 0 Comment
  SEINET3930280  Atriplex canescens var. angustifolia Stewart C. Sanderson 1993-11-22 93 -054 Riverside Milo Racket Club, Palm Springs, CA.; 0 Comment
  RSA125961  Atriplex canescens var. linearis E. K. Balls, P. C. Everett 1957-11-5 22757 Riverside Just S. of Thermal, State Hwy. 111 30 Comment
  UCSB42261  Atriplex coronata Roos, John 1965-6-30 Riverside Perris Comment
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  SD130238  Atriplex coronata var. notatior George Ruffner 1990-5-2 Riverside San Jacinto Wildlife Area, east of Davis Road, vicinity of duck ponds on west edge of playa of Lake San Jacinto. Comment
  UCR247448  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13- 190 Riverside city of Lake Elsinore, along Collier St and Hwy 74 south to Temescal Wash 393 Comment
  CAS-BOT-BC169292  Atriplex lentiformis John Thomas Howell 1928-1-28 3280 Riverside Thousand Palms, Colorado Desert Comment
  UC110247  Atriplex lentiformis T. S. Brandegee 1901-4-3 Riverside Salton Crossing , Salton Crossing (Colorado Desert) Comment
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Sep 11 2011
  CAS-BOT-BC176538  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca 57 Comment
  POM121924A  Atriplex semibaccata Marcus E. Jones 1900-7-16 6526 Riverside Temecula. Comment
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Mar 27 2011
  UCR114325  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside, N side of Latham St., c. 1/8 mile west of intersection with Keats Dr. 245 Comment
  UCR163984  Atriplex triangularis John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR158254  Avena fatua A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30114 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
  RSA0042214  Avena fatua Margaret Murphy 1983-4-15 0008 -A Riverside Moreno Acres of the unincorporated area known as Sunnymead. North section of parcel 475-090-006, lot 20. Comment
  UCR116795  Avena sativa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24151 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  CLARK-A1528-164  Baccharis douglasii John C. Roos 1951-9-25 5284 Riverside Riverside 259 Comment
  POM153384  Baccharis douglasii Philip A. Munz, I. M. Johnston 1928-9-12 11264 Riverside Santa Ana River, Onatrio-to-Corona road. Comment
  LA203038  Baccharis emoryi W. Pequegnat; 1938-9-3 sn Riverside Santa Ana Mountains, Ortega Rd Comment
  CLARK-A1528-1638  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Santa Ana River 259 Comment
  RSA544385  Baccharis salicifolia Steve Boyd 1991-6-14 6400 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
  UCR121080  Baccharis salicifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24975 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  POM96063  Baccharis salicifolia Philip A. Munz 1925-12-31 10821 Riverside Thousand Palms Comment
  CAS-BOT-BC106674  Baccharis salicina A. C. Sanders; P. MacKay; C. L. Sanders; G. Helmkamp; J. Stewart 1994-12-4 15882 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, -22 Comment
  UCR282051  Baccharis salicina Mitch Provance 2012-11-9 1112- 15 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UC1118933  Baccharis sergiloides H. S. Yates 1936-6-4 5413 Riverside Palm Springs San Jacinto Quad. 137 Comment
  UCR20318  Baccharis sergiloides John C. Roos 1949-9-17 4660 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Palm oasis in a side canyon on the E side of Whitewater Wash 612 Comment
  CAS-BOT-BC295896  Bahiopsis parishii Ivan Johnston 1917-4-4 1060 Riverside Colorado Desert. Palm Canyon 457 Comment
  POM4926  Bahiopsis parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  SD258859  Bahiopsis parishii Sarah J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, SW of palm Desert, N of Alpine Village and Highway 74; Along Dunn Road between Haystack and Asbestos Mountains 1232 Comment
  CAS-BOT-BC99970  Baileya pauciradiata Carl B. Wolf 1932-4-28 3080 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  UCR33596  Baileya pleniradiata Sears 1978-3-18 905 Riverside Sonoran (Colorado) Desert, 1.5 mi from Interstate 10 down Wiley's Well Road, 17 mi west of Blythe, Chuckwalla Valley 122 Comment
  CLARK-A1528-1648  Bebbia juncea John C. Roos 1995-6-19 Riverside Santa Ana Mountains Comment
  RSA675708  Bebbia juncea Scott D. White 2000-10-24 8141 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 610 Comment
  JOTR29381  Bebbia juncea var. aspera La Doux, Tasha, Mike Bell 2006-5-10 1458 Riverside Joshua Tree National Park. East Deception Canyon Comment
  LA203070  Bebbia juncea var. aspera A. M. Johnson; 1933-4-28 4239 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA0088483  Bebbia juncea var. aspera Robert Vargas 2016-4-9 21 Riverside LA basin, White water canyon reserve. 536 Comment
  UC1334660  Bebbia juncea var. aspera Nancy Ryan Zabriskie 1968-10-11 167 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  UCR17611  Berberis dictyota B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns, 5.5 mi. south of Hwy 74 on road to Toro Peak Comment
  CAS-BOT-BC75737  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3997 Riverside Vail Lake area, lower slopes of Agua Tibia mountain, along Highway 79, east of USFW Dripping Springs Guard Station. 609 Comment
  UCR59686  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake, W shore of lake, Kolb Creek drainage in series of small side draws, 442 Comment
  POM157913  Bergia texana P. A. Munz 1927-5-20 10805 Riverside Murrieta Hot Springs. Comment
  RSA544440  Bergia texana Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6347 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  LA204860  Bernardia incana Carl Epling; May 1938 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  SEINET6062232  Bernardia myricifolia Unknown Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR94069  Bernardia myricifolia Scott D. White, Duayne Haselfeld 1996-7-2 4257 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  CLARK-A1528-1652  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  RSA736708  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  CAS-BOT-BC13901  Boechera johnstonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside West slope of Mount San Jacinto. Comment
  JOTR01029  Boechera xylopoda Cole, James E. 1941-4-10 516 Riverside Joshua Tree National Park. TWIN TANKS 1219 Comment
  CAS-BOT-BC506668  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert: Desert Center, S of I-10 at the Eagle Mountain Road jct 361 Comment
  UCR211474  Boerhavia intermedia Jim Andre, T. La Doux 2008-9-13 10279 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  CLARK-A1656-843  Boerhavia torreyana Jon Mark Stewart 1983-10-31 83-49 Riverside Palm Desert 1200 Comment
  SD251246  Boerhavia triquetra Duncan S. Bell, John Anderson, et al. 2013-9-28 6023 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 Comment
  UCR248093  Boerhavia wrightii Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4375 Riverside Sonoran (Colorado) Desert, Mecca Hills, upper branch of Hidden Spring Canyon, c. 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  UCR274420  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside southwestern section of Orocopia Mountains, c. 3.6 air miles north-northeast of Dos Plmas 404 Comment
  UC489262  Bolboschoenus maritimus C. V. Meyer 1928-8-2 626 Riverside Temecula Comment
  UCR182356  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  CAS-BOT-BC145589  Bouteloua aristidoides H. K. Wagnon; B. Rateaver 1944-1-8 283 Riverside Palm Springs. Tachevah Canyon. Growing at base of Dry Falls. 152 Comment
  RSA778528  Bouteloua aristidoides Amber Swanson 2011-10-9 649 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  SBBG14337  Bouteloua aristidoides E. R. Blakley 1961-9-12 4714 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  UCR245921  Bouteloua aristidoides Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3948 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA0025664  Bouteloua aristidoides var. aristidoides Deidre Conocchioli, Sarah J. De Groot 2013-9-18 50 Riverside Valley north of Chocolate Mountain range. From Desert Center: Take I -10 West for 9.2 miles. Take exit marked Red Cloud Road. Turn left to cross under the interstate, continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles., Continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles. The collecting site is along the portion of the road that runs nearly parallel with an old raised railroad for a short distance before diverging. Collecting done on both sides of road. 442 Comment
  SEINET10835065  Bouteloua barbata David B. Dunn 1946-3-15 Dunn 2027 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills, sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR91848  Bowlesia incana A. C. Sanders, O. F. Clarke 1996-4-13 18035 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  JEPS42526  Brandegea bigelovii P. A. Munz, R. D. Harwood 1920-4-2 3564 Riverside between Blythe Junction and Blythe ((Blythe Jct = Rice)) Comment
  JOTR32326  Brandegea bigelovii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 3) Comment
  UC1022806  Brandegea bigelovii Philip A. Munz 1940-3-24 15695 Riverside 3 mi s of Cottonwood Springs (Eagle Mountains); Eagle Mountains 457 Comment
  RSA0066318  Brassica nigra Steve Boyd, Dave Bramlet 1990-4-29 4496 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR46779  Brassica oleracea O. F. Clarke 1987-3-16 s.n. Riverside 1012 Spruce St., Riverside. 305 Comment
  SD152905  Brassica rapa Steve Boyd, Orlando Mistretta 1992-4-23 7062 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Local along trail on dry rocky slopes. 244 Comment
  SDSU2623  Brassica tournefortii D. F. Howe 1949-3-21 Riverside 12 mi. west of Blythe. 122 Comment
  UCR89546  Brassica tournefortii George K. Helmkamp 1994-3-8 41 5 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA229521  Brickellia arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA79181  Brickellia arguta Philip A. Munz 1952-5-2 16234 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  CAS-BOT-BC106340  Brickellia atractyloides var. arguta J. E. Cole 1942-5-19 959 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  UCR82760  Brickellia californica A. C. Sanders, T. Schram & D. Wappler 1994-10-6 15787 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  RSA301936  Brickellia desertorum J. R. Shevock 1972-11-14 2314 Riverside Coyote Canyon, Anza Borrego State Park 762 Comment
  RSA5580  Brickellia desertorum C. B. Wolf 1932-10-13 4312 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA700108  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UC1010312  Brickellia desertorum John and Lucille Roos 1950-9-30 4995 Riverside 3 mi n of Elsinore (hills midway between Steele Pk. and Elsinore) 487 Comment
  UCR23270  Brickellia desertorum John C. Roos, L. Roos 1950-10-28 5020 Riverside Perris-Aguanga basin region, N base Mt. Russell, 1 mi SE of Moreno 550 Comment
  UC1551954  Brickellia nevinii J. C. Roos 1965-9-12 Riverside 3 mi sw of Corona Tin Mine Canyon (Santa Ana Mountains); Santa Ana Mountains 548 Comment
  UCR34874  Brickellia oblongifolia L. B. Ziegler 1967-6-8 153 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  CAS-BOT-BC149331  Bromus arizonicus S. B. Parish 1907-4-15 6138 Riverside Western edges of the Colorado desert. Gabezon. Comment
  SBBG95098  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside City of Riverside at 422 Campus View Drive Comment
  SD152996  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns; San Mateo Cyn Wilderness area; Bluewater Cyn along Bluewater Tr; downstream to the confluence with San Mateo Creek 334 Comment
  POM259175  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-13 15319 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  UCR120907  Bromus diandrus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24919 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR232031  Bromus diandrus John F. Green 2008-4-15 0408- 17 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UC1146110  Bromus emarginatus E. K. Balls 1958-6-27 23293 Riverside between Santiago Peak and Indian Truck Trail (along Main Divide, Santa Ana Mountains); Santa Ana Mountains, Main Divide 1371 Comment
  UCR104079  Bromus hordeaceus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  CHSC36063  Bromus madritensis subsp. rubens Paul Bailey 1972-5-14 120 Riverside 5 miles NE of Temecula on roadside of Rancho California Drive, Tucalota Hills. 457 Comment
  CSUSB435  Bromus rubens Fred Zaebst 1959-4-27 Riverside Collected behind greenhouse 16, 10 yards south of Eucalyptus tree by driveway on the University of California, Riverside (UCR) campus, in city of Riverside. Comment
  UCR2244  Bromus rubens F. M. Reed 1906-3-16 907 Riverside Riverside, along Southern Pacific RR tracks between Indianapolis Ave. [=Spruce St.] and Chicago Ave. 280 Comment
  UCR138630  Bromus tectorum Scott D. White 1997-5-18 5165 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UC1930179  Bromus trinii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, T. S. Ross 2003-4-17 10455 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR226085  Bromus trinii A. C. Sanders, Nathan Moorhatch 2011-3-22 38768 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  SD126469  Caesalpinia spinosa Oscar F. Clarke 1988-11-23 Riverside Cultivated on Victoria Avenue between St. Lawrence & Adams Streets Comment
  RSA0014313  Caesalpinia virgata Justin M. Wood, J. Miner 2010-4-29 1545 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  UCR167217  Calandrinia ambigua S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR18388  Calandrinia ambigua Holly Hartman 1979-4-25 s.n. Riverside Western Colorado Desert, Painted Canyon in the Mecca Hills Comment
  UCD100225  Calandrinia ciliata Geoffrey Levin 1975-4-26 494 Riverside Mahew Canyon, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR228846  Calandrinia ciliata A. C. Sanders, Nathan Moorhatch 2011-3-22 38789 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  RSA6108  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  RSA679166  Calochortus invenustus Fred M. Roberts 2003-6-25 5935 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  RSA588987  Calochortus plummerae D. E. Bramlet 1994-6-16 2384 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  RSA769686  Calochortus splendens Duncan S. Bell, J. D. England 2010-5-17 1010 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 759 Comment
  UCR16067  Calochortus splendens Anna Mayers 1978-4-10 s.n. Riverside Lake Mathews, 1.6 mi south of the junction of La Sierra and Cajalco Comment
  UCR834  Calochortus splendens J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  CAS-BOT-BC483506  Calochortus splendens Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Canyon, Highway 74, San Juan Mts. 609 Comment
  RSA502182  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3720 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  UCR89806  Calochortus weedii var. weedii Scott D. White 1993-5-27 1417 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  POM351421  Calycoseris wrightii N. C. Cooper 1949-4-8 3312 Riverside Desert Center. 609 Comment
  RSA776642  Calycoseris wrightii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1099 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  UCR158520  Calyptridium monandrum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30020 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
  LA50072  Calystegia macrostegia subsp. cyclostegia W. Pequegnat; 1938-4-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  JEPS23449  Camissonia W. L. Jepson 1928-4-25 12610 Riverside n Mecca; Colorado Desert, Cottonwood Spr. 701 Comment
  RSA621900  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2918 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR58489  Camissonia bistorta Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  RSA0108933  Camissonia brevipes Duncan S. Bell, Amanda Bell 2012-1-29 3080 Riverside North of the Arica Mountains; northwest section of Rice Valley; collecting at the ghost town of Rice along Highway 62. 284 Comment
  RSA466016  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3314 Riverside Desert Center. 610 Comment
  UCR133410  Camissonia californica Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 324 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR214325  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR87646  Camissonia californica A. C. Sanders 1994-5-29 14550 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCR88113  Camissonia californica A. C. Sanders, G. Nuhn 1995-4-20 16590 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA454739  Camissonia cardiophylla Christopher Davidson, Josephine Jones 1980-4-4 9937 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  CLARK-A1528-3359  Camissonia claviformis subsp. aurantiaca John C. Roos 1937-4-18 1366 Riverside Snow Creek Comment
  CLARK-A1656-687  Camissonia claviformis subsp. aurantiaca Lois Ann Scott 1978-2-2 Riverside San Jacinto Mountains 152 Comment
  POM67088  Camissonia claviformis subsp. aurantiaca Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA135289  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside Fargo Canyon, alluvial fan. Comment
  RSA676148  Camissonia claviformis subsp. aurantiaca Scott D. White 2001-4-12 8313 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
  UCR103325  Camissonia claviformis subsp. claviformis George K. Helmkamp 1998-2-5 2637 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR99184  Camissonia confusa S. J. Myers 1991-4-15 91- 2 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  SEINET7040180  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.2 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 487862mE, 3712342mN. Comment
  RSA192046  Camissonia ignota E. W. Lathrop 1966-3-20 6059 Riverside 6 miles north of Santa Rosa Ranch. Comment
  RSA449008  Camissonia ignota H. Twining 1888-08 s.n. Riverside Rincon. Comment
  RSA585505  Camissonia ignota D. L. Banks, Steve D. Boyd 1995-5-9 366 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA586097  Camissonia ignota D. L. Banks, Steve D. Boyd 1995-4-5 137 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, along the Dripping Springs Trail. 610 Comment
  UCR281527  Camissonia ignota Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 93 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  RSA504978  Camissonia refracta D. Charlton 1988-2-25 1167 Riverside Box Canyon Wash between the Mecca Hills and Orocopia Mountains, 10 miles S of I-10 and N of Mecca and Salton Sea 305 Comment
  SEINET3005074  Camissonia refracta G. Rink 2011-5-1 10512 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR41609  Camissonia refracta A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6117 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SDSU3407  Camissonia strigulosa H. Wedberg 1958-3-31 201 Riverside 1.8 miles south of Hwy 74 x Hwy 79 in Hemet. Roadside in sandy gravel in cultivated grassy field. Comment
  JOTR34475  Camissoniopsis pallida Andre, Jim 2012-4-16 20945 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  JOTR34069  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2966 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UCD103600  Camissoniopsis pallida subsp. pallida R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR93026  Capsella bursa-pastoris G. P. Schultz 1994-4-7 84 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA535488  Cardamine californica var. integrifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6636 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR49459  Carduus pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mts., summit of Pigeon Pass Rd, Riverside 581 Comment
  RSA41335  Carex douglasii J. C. Roos 1943-10-16 2739 Riverside Little San Bernardino Mountains. 1372 Comment
  UC72470  Carex praegracilis H. M. Hall June, 1901 2664 Riverside Fuller's Mills Mountains San Jacinto Mountains 1584 Comment
  CAS-BOT-BC94052  Carex senta Peter F. Zika; Nick Otting 2010-8-3 25248 Riverside vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges 2550 Comment
  SD112262  Carex subfusca Darley F. Howe 1941-6-9 1291 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  CAS-BOT-BC353427  Castela emoryi B. D. Stark 1929-4-1 1268 Riverside Chuckawalla, Colorado Desert Comment
  RSA701409  Castilleja exserta Steve D. Boyd, Aydee Virgen 2004-4-13 10870 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR132914  Castilleja exserta John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR164933  Castilleja exserta T. B. Salvato, John F. Green 2004-5-27 625 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SD90187  Castilleja exserta subsp. exserta Benjamin C. Stone April 1952 41 Riverside near Temecula 305 Comment
  RSA0010902  Castilleja exserta subsp. exserta Robert L. Rutherford 1945-5-24 1654 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA400583  Castilleja foliolosa Robert Gustafson 1980-5-5 1560 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  UCR440  Castilleja martinii R. O. Perez 1955-5-21 s.n. Riverside San Jacinto Mtns., Idyllwild 1707 Comment
  SBBG66913  Castilleja miniata subsp. miniata E. Peterson, J. Ewan 1930-8-31 Riverside N fork of Tahquitz Crk 2499 Comment
  UCR104181  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5249 A 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
  SEINET7063424  Castilleja subinclusa subsp. subinclusa A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on Benton Road. Tucalota Valley. UTM Zone 11, 502473mE, 3715016mN. (WGS84/NAD83). 564 Comment
  RSA531107  Caulanthus cooperi M. B. Dunkle 1937-3-25 4956 Riverside East of Indio, Colorado Desert. Comment
  UC68540  Caulanthus cooperi H. M. Hall 1905-5-11 6023 Riverside Cottonwood Mts. Colorado Desert, Cottonwood Mts. 609 Comment
  UCR62325  Caulanthus hallii Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  UCR121200  Caulanthus heterophyllus D. E. Bramlet 1991-5-14 2150 Riverside Perris-Aguanga basin region, North Domenigoni Hills, c. 0.5 mi SE of end of Warren Rd., on large, prominent peak adjacent to old quarry , east of access road 655 Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  UCR199926  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR47235  Caulanthus heterophyllus B. G. Pitzer, L. F. LaPre 1987-3-2 0369 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCR62238  Caulanthus heterophyllus R. Montijo 1990-4-27 s.n. Riverside Rancho California Area: east of Santa Rosa Plateau [and of Skinner Reservoir], Green Meadow Road off of de Portola Road 610 Comment
  RSA0119884  Caulanthus lasiophyllus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9098 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  SD108786  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside 33 miles east of Temecula, 5-7 miles southeast of Terwilliger at north end of Coyote Canyon Road, on the first steep grade to canyon. 760 Comment
  CAS-BOT-BC48451  Ceanothus crassifolius Steve Boyd; Tim Ross 1993-3-23 7902 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  SD122183  Ceanothus crassifolius James C Dice 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River 340 Comment
  CHSC110684  Ceanothus crassifolius var. crassifolius Dean Wm. Taylor 2003-5-7 18531 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  SBBG87982  Ceanothus crassifolius var. crassifolius L. F. LaPre 1988-1-8 2149 Riverside Mesa de Burro, Santa Rosa Plateau 609 Comment
  RSA0019576  Ceanothus cuneatus var. cuneatus Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  LA43601  Ceanothus integerrimus Carl Epling; William Robison 1935-7-30 sn Riverside north fork San Jacinto River Comment
  CAS-BOT-BC51288  Ceanothus leucodermis H. E. McMinn 1925-7-2 1523 Riverside Idyllwild grade - San Jacinto Mt. Comment
  LA44859  Ceanothus leucodermis W. Pequegnat; 1939-4-8 45 Riverside Santa Ana Mountains Comment
  UCR131803  Ceanothus leucodermis Mrs. D. R. Wolf 1932-3-20 32 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  UCR398  Ceanothus leucodermis Sally Crum 1966-5-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., c. 2 miles below Lake Fulmor on Idyllwild to Banning road 1159 Comment
  RSA570000  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7915 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA606741  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27410 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR79354  Ceanothus ophiochilus Steve Boyd, K. Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7169 A Riverside Peninsular Range, Vail Lake area: ridge about 1 mi. west of lake, east of 'Little' Oak Mt. 610 Comment
  UCR30792  Ceanothus perplexans A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3866 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  RSA12066  Celtis reticulata Mary F. Spencer 1921-4-19 1804 Riverside Banning. Comment
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Mar 13 2011
  RSA596622  Cenchrus longispinus L. C. Wheeler 1947-8-27 6602 Riverside 3 miles west of Beaumont. Comment
  CDA7292  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA522287  Centaurea repens Steve Boyd 1989-7-6 3758 Riverside open field S of Jurupa, E of intersection with Van Buren Ave. Comment
  UCR218076  Centaurium venustum Steve Boyd 2010-5-28 12286 Riverside Santa Ana Mountains, Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  RSA741552  Centromadia pungens subsp. laevis Justin M. Wood 2008-11-5 220 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  RSA767270  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  SD237331  Centromadia pungens subsp. pungens Jeremiah George 2011-8-9 Riverside Peninsular Range; Perris-Aguanga Basin Region: Moreno Valley, NW corner of Indian St. and Nandina Ave. 449 Comment
  UC667256  Centrostegia thurberi var. thurberi Annie M. Alexander and Louise Kellogg 1941-4-27 2100 Riverside Joshua Tree National Monument Joshua Tree National Monument Joshua Tree National Monument; Joshua Tree National Monument 1310 Comment
  UCR177831  Cerastium glomeratum 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 1128 Comment
  RSA289872  Ceratophyllum demersum B. A. Prigge 1980-9-17 4092 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel. -55 Comment
  JOTR30771  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
  SD229254  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-8-6 772 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  CAS-BOT-BC279540  Chaenactis artemisiifolia Edmund C. Jaeger June 23 s.n. Riverside On west slope of San Jacinto Mts. near Half-way House. Idyllwild road 1005 Comment
  RSA586793  Chaenactis artemisiifolia Darin L. Banks, Steve Boyd 1995-5-3 0231 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC1718083  Chaenactis artemisiifolia John S. Mooring 1962-5-15 620515 -5 Riverside along Bautista Canyon Road ca. 8 miles SE of Valle Vista. Comment
  LA203117  Chaenactis carphoclinia var. carphoclinia A. M. Johnson; 1928-5-5 360 Riverside Painted Canyon Comment
  RSA703747  Chaenactis carphoclinia var. carphoclinia LeRoy Gross 2005-3-3 1571 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC1424854  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, J. Dourley, W. Wisura 1977-5-19 1326 Riverside ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice 266 Comment
  UC218055  Chaenactis carphoclinia var. carphoclinia P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  OBI16855  Chaenactis fremontii Robert F. Hoover 1969-4-11 11211 Riverside Mouth of Morongo Valley cyn Comment
  UCR177001  Chaenactis fremontii Tracy Tennant, J. S. Ross 1998-4-30 MOR- 71 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCR237689  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4422 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCR88729  Chaenactis fremontii A. C. Sanders, K. C. Rose 1995-4-5 16382 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR34886  Chaenactis glabriuscula L. B. Ziegler 1972-3-31 442 Riverside San Jacinto Valley, City of San Jacinto 473 Comment
  UCSB9504  Chaenactis glabriuscula Stoppel, Gordon 1958-5-17 Riverside Along Banning Idyllwild Highway about 10 miles S. E. of Banning Comment
  CLARK-A1528-185  Chaenactis glabriuscula var. curta C. M. Flanagan 1973-4-14 OO 101 Riverside Sunnymead 579 Comment
  CAS-BOT-BC277410  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1992-4-15 6879 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  POM351786  Chaenactis glabriuscula var. glabriuscula Elbert Benjamine 1929-4-7 123 Riverside San Gorgonio Pass. Comment
  UC31027  Chaenactis glabriuscula var. lanosa H. M. Hall Jun 1901 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  RSA396458  Chaenactis parishii Walter Wisura 1987-6-19 4165 Riverside 3.9 miles from Hwy 74 along, Thomas Mountain Rd., S of Lake Hemet; San Jacinto Mtns. Comment
  CAS-BOT-BC284340  Chaenactis stevioides A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37430 Riverside SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Road, Sonoran (Colorado) Desert 170 Comment
  JOTR32135  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2291 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UCR103591  Chaenactis stevioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2722 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCSB49  Chaenactis stevioides Bell, David 1969-3-31 Riverside River Bend Campground, along U.S. Highway 95, 15 miles north of Blythe, Mojave Desert 152 Comment
  POM351831  Chaenactis stevioides var. stevioides D. A. Young 1969-4-18 p 426 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  RSA518039  Chaenactis stevioides var. stevioides Steve Boyd, Orlando Mistretta 1986-3-13 1426 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
  UCD81586  Chaenactis xantiana Chuck Hughes 2009-3-27 71 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  JOTR35021  Chamaesyce abramsiana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3119 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA499007  Chamaesyce maculata L. C. Wheeler 1932-9-4 1330 Riverside Santa Ana River at Chino Creek. 152 Comment
  SFV10855  Chamaesyce micromera M. L. Vincent, R. H. Swade 1963-10-19 454 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  RSA798153  Chamaesyce polycarpa Marc Baker, Michelle Cloud-Hughes 2011-12-18 17504 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SEINET3089524 Image available Chamaesyce polycarpa Paul D. Wood 1970-5-19 9 -A Riverside At University of Calif. along east bank of path leading to botanical gardens. 259 Comment
  SEINET3165335  Chamaesyce polycarpa L. S. Rose 1936-12-18 36790 Riverside Palm Springs 138 Comment
  RSA685680  Cheilanthes clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  IRVC3126  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  IRVC19369  Cheilanthes newberryi R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA736704  Cheilanthes newberryi Scott D. White 2004-4-26 10246 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UC1212195  Cheilanthes newberryi H. E. and S. T. Parks 1940-2-20 24173 Riverside Soboba Hot Springs; San Jacinto Mts 457 Comment
  RSA0015689  Cheilanthes parryi Duncan S. Bell 2013-9-29 6047 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  RSA0042110  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-6 6193 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  UC669239  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1878 Riverside Andreas Canyon; San Jacinto Mts 350 Comment
  UCD137390  Cheilanthes parryi Geoffrey Levin 1976-3-27 682 Riverside Chino Canyon. West of Palm Springs. San Jacinto Mts. 396 Comment
  CAS-BOT-BC70381  Cheilanthes viscida J. G. Lemmon 1880-4-1 28 Riverside Whitewater, Colorado Desert Comment
  UC366588 Image available Cheilanthes viscida unknown May 1876 Riverside White River Canyon San Gorgonio Pass Comment
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Nov 26 2011
  CAS-BOT-BC426314  Chenopodium album Malcom A. Nobs; S. Galen Smith 1948-9-3 485 Riverside Imperial Valley: Citrus grove 2 miles N of Indio Comment
  SD187392  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside Indian Creek and adjacent foothills. 548 Comment
  RSA314479  Chenopodium ambrosioides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55374 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR140733  Chenopodium californicum A. C. Sanders 2004-5-12 27869 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCSB1682  Chenopodium carinatum R. Philbrick 1954-10-24 306 Riverside 4 MI S OF CHINO MENS REFORM INSTITUTION 213 Comment
  UCR116602  Chenopodium murale A. C. Sanders 2001-4-8 23984 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR4695  Chenopodium murale R. A. Anderson 1964-12-25 64 Riverside Riverside, Chicago Avenue & Blaine Street. 152 Comment
  UCR91041  Chenopodium murale George K. Helmkamp 1996-1-18 96-8- 3 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  CAS-BOT-BC231775  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-25 2234 Riverside Colorado Desert. Box Canyon, east of Mecca 243 Comment
  RSA0012646  Chilopsis linearis April Garbat, Kristin Forgrave 2013-5-29 74 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  SEINET2065474 Image available Chilopsis linearis M. Roskey, F. Boyen 1933-6-5 521 Riverside Big Morongo Nature Conservancy Preserve, south of Morongo Valley. 502 Comment
  LA204142  Chilopsis linearis subsp. arcuata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9582 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  UC27836  Chilopsis linearis subsp. arcuata H. M. Hall June, 1901 2112 Riverside e. base San Jacinto Mts. Colorado Desert, e. base San Jacinto Mts. Comment
  UCR23855  Chloris gayana John C. Roos 1965-9-16 s.n. Riverside San Jacinto Comment
  UCR18066  Chloris virgata Hap Ritter, Paul Mack 1976-5-20 s.n. Riverside Sonoran (Colorado) Desert, dunes off of Wiley's Well Road 152 Comment
  UCR207970  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 20 miles west of Blythe on Mecca road 122 Comment
  UCR60784  Chorizanthe brevicornu Steve Boyd, Orlando Mistretta 1986-3-13 1422 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  CAS-BOT-BC191700  Chorizanthe brevicornu var. brevicornu John Thomas Howell 1928-3-25 3555 Riverside 10 miles S of Palm Springs on road to Indio, Colorado Desert Comment
  JOTR31101  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2359 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  POM84699  Chorizanthe corrugata M. Hill 1926-3-13 s.n. Riverside Near Dos Palmos. Comment
  SD262352  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417 65 Riverside Temescal Valley: Indian Wash, SW of I-15, S sie of De Palma Rd. 700-1100 ft WNW of inter. with Glen Eden Rd (Aberhill 7.5'Q) Habitat steadily encroached upon by enormous debris piles from the south since 2011. 366 Comment
  UCR159816  Chorizanthe leptotheca Chris E. True, Robert Cox 2005-6-16 s.n. Riverside San Jacinto Mtns. Foothills, along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles east of Fairview Ave., north of highway and south of San Jacinto River, near mouth of Bee Canyon 610 Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  UCR231764  Chorizanthe parryi var. parryi John F. Green 2008-4-23 09- 10 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA496372  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross, Laural Arnseth 1989-3-19 3046 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  UCR120854  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-13 2321 Riverside 518 m north of Cajalco Road at a point 976 m east of its intersection with La Sierra Ave., 244 m north of dirt access road 439 Comment
  RSA500223  Chorizanthe staticoides Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3519 Riverside Vail Lake area, 1 mi W of lake. 609 Comment
  UCR100036  Chorizanthe xanti Scott D. White 1994-4-23 2045 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  CAS-BOT-BC248062  Chorizanthe xanti var. leucotheca J. H. Thomas 1949-4-24 462 A Riverside About 2 miles east of Whitewater, off of highway to Morongo Lodge. About 17 miles east of Banning Comment
  HSC82713  Chorizanthe xanti var. leucotheca R. F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  JEPS37732  Chrysolepis sempervirens Carl V. Meyer 1928-7-31 614 Riverside Tahquitz Peak; San Jacinto Mts. Comment
  SD248462  Chylismia claviformis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance. 2013-3-8 7283 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  CAS-BOT-BC160608  Chylismia claviformis subsp. aurantiaca Munz 1940-3-24 15711 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  UC1184361  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-16 11862 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  UCSB23977  Chylismia claviformis subsp. aurantiaca Keefe, Joseph 1967-1-2 Riverside Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  RSA500558  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3601 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  CAS-BOT-BC438858  Cistanthe monandra Peter H. Raven 1958-5-18 12979 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA543784  Cistanthe monandra Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6041 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
  RSA652348  Clarkia dudleyana C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 112 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
  RSA527877  Clarkia epilobioides Scott D. White 1991-5-10 91 -120 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR57208  Clarkia epilobioides Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  UCSC007501  Clarkia epilobioides Michael Wall 2007-5-25 21078 Riverside Rawson Canyon, NE of Skinner Reservoir, on moderate north facing slopes off Rawson Rd. 2.5 mi. East of Washington Ave. 615 Comment
  SD140044  Clarkia purpurea Scott White 1993-4-22 1252 Riverside North Alberhill Ranch, in hills North of Walker Canyon. Comment
  RSA356713  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne, E. W. Lathrop 1975-5-25 45558 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  SEINET3224405  Clarkia purpurea subsp. quadrivulnera G. Goodwin 2012-6-15 3459 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  SEINET7048192  Clarkia purpurea subsp. quadrivulnera Steven R. Hill, Andrew C. Sanders 2001-5-4 33701 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  JEPS122471  Clarkia unguiculata J. M. Andre 2012-6-15 30537 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
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May 28 2020
  UCR251877  Clarkia unguiculata Victoria M. Woods, David G. Cook 2014-4-5 03 Riverside Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, northern Claremont 1043 Comment
  JOTR35135  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  RSA797352  Claytonia perfoliata subsp. perfoliata D. M. McF 1953-3-26 7 Riverside McKinley Ranch, Reed Valley. [County unsure.] 122 Comment
  POM158457  Clematis pauciflora P. A. Munz 1927-5-21 10872 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  RSA716370  Clematis pauciflora Scott D. White 2006-5-19 11476 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
  RSA562607  Cleome isomeris Steve Boyd, K. A. Boyd 1993-2-21 7719 Riverside Santa Ana Mountains, southeast of lake Elsinore. main Divide Road (6S07) just northward of private residence at Morell Potrero. 915 Comment
  RSA161289  Coleogyne ramosissima Peter H. Raven 1958-5-5 12892 Riverside Split Rock, Joshua Tree National Monument Comment
  RSA0117424  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3985 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0117436  Collinsia concolor Scott D. White 1995-3-30 2649 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  UCR193134  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35529 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
  RSA0117429  Collinsia concolor Steve D. Boyd, Orlando Mistretta 1991-5-22 6299 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  POM4203  Collinsia heterophylla Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA0117392  Collinsia parryi Steve D. Boyd, Orlando Mistretta 1992-4-23 7072 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. 244 Comment
  HSC100006  Colubrina californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-4-18 12781 Riverside On rocky slope among granite boulders. 355 Comment
  CAS-BOT-BC334451  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  VVC3088  Condalia globosa var. pubescens Tim Thomas, P. J. MacKay 2013-2-23 5918 Riverside Sonoran Desert, South side of the Orocopia Mtns, Salt Ck drainage 468 Comment
  RSA463104  Conium maculatum Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
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May 6 2020
  UCD126138  Convolvulus arvensis Scott D. White 1998-6-28 s.n. Riverside Corona: River Road bridge over the Santa Ana River. 158 Comment
  UCR113737  Convolvulus arvensis Mitch Provance 1998-6-6 622 A Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  RSA522703  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3890 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR214852  Convolvulus simulans Crystal Sheehan 2010-5-10 46 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  CAS-BOT-BC287878  Coreopsis californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA5023  Coreopsis californica C. B. Wolf 1932-3-20 23 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC942910  Coreopsis californica var. californica Lewis S. Rose 1949-4-19 49061 Riverside 4 mi ne Alberhill 304 Comment
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Feb 25 2014
  RSA259260  Corethrogyne filaginifolia P. A. Munz 1938-8-14 15383 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  UC1424862  Corethrogyne filaginifolia J. Sauer and F. Vasek 1973-9-26 5545 Riverside sw Murrieta; Mesa de Colorado Comment
  RSA293512  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Walter Wisura 1979-8-8 1892 Riverside Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. 1037 Comment
  UCR138821  Coronopus didymus D. L. Banks 1997-2-23 1296 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  RSA757466  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55210 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA423452  Crassula connata N. R. Zabriskie 1973-4-5 618 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 304 Comment
  RSA523528  Crassula connata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR171901  Crassula connata John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR92043  Crassula connata Scott D. White 1995-3-30 2664 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA679819  Crassula connata LeRoy Gross, Valerie Soza 2003-5-8 830 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  CLARK-A1528-423  Crassula erecta Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  CAS-BOT-BC181563  Crossosoma bigelovii A. C. Sanders; K. Rose 1995-4-5 16349 Riverside Alluvial slopes and foothills S of Mission Creek and E of Hwy 62 - San Bernardino Mtns./Coachella Valley 701 Comment
  RSA397720  Crossosoma bigelovii P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA397723  Crossosoma bigelovii Robert Gustafson 1980-5-5 1565 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA85074  Crossosoma bigelovii F. W. Peirson 1933-4-15 10653 Riverside Whitewater River E of Cabezon, 4.5 mi. up stream from Hwy. 701 Comment
  RSA586856  Croton californicus D. L. Banks, S. D. Boyd 1995-5-3 0275 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD60435  Croton californicus Reid Moran 1964-7-27 11861 Riverside Canyon of Santa Margarita River, 2.5 miles southsouthwest of Temecula. 199 Comment
  SD80026  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-12-29 333 Riverside Beside Andreas Cnyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope of San Jacinto Mountains. 170 Comment
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Apr 17 2011
  SFV11882  Croton californicus R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR169922  Croton californicus Scott D. White, Jennifer H. Jones 2005-4-21 10948 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  CLARK-A1528-431  Croton californicus subsp. californicus C. M. Flanagan 1973-6-13 OO 702 Riverside Morongo Indian Reservation 1158 Comment
  RSA303502  Croton californicus var. mohavensis J. R. Shevock 1972-3-13 1402 Riverside Hwy 111, near Palm Springs 183 Comment
  CAS-BOT-BC189261  Cryptantha C. Cowan 1978-4-25 1264 Riverside 0.4 mile off Highway 74 on Morris Ranch Road, 4.3 miles N on Highway 74 from its junction with Highway 371, San Bernardino NF, Whittaker transect #W 227 Comment
  RSA799815  Cryptantha D. M. Ray 2011-3-5 13 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCD166237  Cryptantha Jack Major 1962-4-16 774 -bb Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  SD124125  Cryptantha angustifolia Robert F. Thorne, Fosberg, Sachet & Herbst 1983-4-23 55469 Riverside San Bernardino Mountains, Side-canyon on west side of Whitewater canyon, ca. 3.3 miles north of Whitewater Post Office 594 Comment
  UCR116714  Cryptantha angustifolia Helen Kennedy, Sara Mills 2001-3-17 5398 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCR175169  Cryptantha angustifolia Jim Andre 2006-4-6 6692 Riverside S Mojave Desert, Joshua Tree National Park: along Pinto Basin Rd. in Wilson Canyon 866 Comment
  UCR234809  Cryptantha angustifolia Jim Andre, Glenn L. Clifton 2011-2-22 17468 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  SBBG81500  Cryptantha barbigera S. A. Junak 1983-3-23 1618 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC1063930  Cryptantha barbigera H. S. Yates 1937-3-23 6446 Riverside 15 mi nne Medda; Thermal Quad. 457 Comment
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Apr 6 2011
  JOTR36479  Cryptantha barbigera var. fergusoniae La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3192 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR132766  Cryptantha barbigera var. fergusoniae George K. Helmkamp 1984-5-2 D- 10 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  UCSB18779  Cryptantha circumscissa Lean, Jr., Steve 1963-5-5 Riverside California Highway 74, 10. 2 miles SW of Palm Desert 883 Comment
  UCR214700  Cryptantha costata A. C. Sanders 2010-3-23 37535 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA0078966  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1428 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA0079092  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1451 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA784939  Cryptantha holoptera Duncan S. Bell 2012-2-12 3107 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA796504  Cryptantha holoptera J. Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  SEINET12280812  Cryptantha holoptera Unknown 1936-1 12821 Riverside Colorado Desert, N of Palm Springs Comment
  POM368282  Cryptantha intermedia H. de Forest, Geo C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA502894  Cryptantha intermedia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  SEINET7073407  Cryptantha intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UC164378  Cryptantha intermedia H. M. Hall 1901-6-1 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UCR116897  Cryptantha intermedia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24193 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR142239  Cryptantha intermedia June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR231803  Cryptantha intermedia Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 09 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  JOTR36430  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3402 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA701218  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11274 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET2042094 Image available Cryptantha maritima A. C. Sanders 2001-4-8 23987 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  UC998315  Cryptantha maritima H. K. Wagnon 1944-3-12 325 Riverside Cathedral City Cathedral Canyon Comment
  UCR20837  Cryptantha maritima A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1303 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR85069  Cryptantha maritima A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16081 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  VVC944  Cryptantha maritima G. K. Helmkamp 1998-2-18 2716 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA728603  Cryptantha micrantha Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1893 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  SEINET12280846  Cryptantha micrantha E. A. Purer 1935-1 6471 Riverside Pam Springs, western Colorado Desert Comment
  RSA525672  Cryptantha microstachys Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4543 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Aug 22 2008
  UCR128918  Cryptantha microstachys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23900 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR164891  Cryptantha microstachys S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  RSA776051  Cryptantha muricata C. P. Cowan 1978-4-25 1261 Riverside 0.4 mile (0.6 km) off Hwy. 74 on Morris Ranch Road, 4.3 miles (6.9 km) N on 74 from jct with 371. San Bernardino National Forest Comment
  UCR111546  Cryptantha muricata Mitch Provance 1999-5-4 1695 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR153367  Cryptantha muricata LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR252599  Cryptantha muricata T. B. Salvato, Matthew Malle 2013-4-4 7500 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  UCR275935  Cryptantha muricata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3779 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCSB38650  Cryptantha muricata Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Rd., 1 mi. (1.6 km.) S. of 74 Comment
  RSA0079247  Cryptantha muricata var. jonesii Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4457 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA499703  Cryptantha muricata var. jonesii Christopher Davidson, Robert Gustafson 1977-4-7 5578 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. 610 Comment
  UCR267893  Cryptantha nevadensis var. nevadensis Jim Andre 2013-3-4 23858 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR279355  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-23 42950 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA614832  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  SD87651  Cryptantha utahensis F. W. Peirson 1919-4-13 1025 Riverside Murray Canyon Comment
  UCR113223  Cucurbita foetidissima A. C. Sanders 1997-11-25 21624 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  CAS-BOT-BC224549  Cuscuta californica David B. Dunn 1946-3-15 2016 Riverside In vicinity of Pushawalla Canyon, Indio Hills Comment
  RSA409701  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  UCD98520  Cycloloma atriplicifolium H. R. Greene 1920-5-11 s.n. Riverside Riverside. Comment
  RSA478741  Cycloloma atriplicifolium Lester H. Cushman 1931-10-4 s.n. Riverside Near Riverside. Comment
  SEINET9037749 Image available Cylindropuntia californica var. parkeri M. A. Baker, Chris Taylor 2015-1 18367 Riverside The Badlands, 2.3km SSE of the intersection of San Timoteo Road and Redlands Blvd., 28km ENE of Riverside, 0.6km south of San Timoteo Wash 573 Comment
  RSA599109  Cynodon dactylon V. W. Steinmann 1996-4-13 830 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  CAS-BOT-BC114719  Cyperus difformis Beecher Crampton 2000-6-24 2059 Riverside Riverside: Santa Ana River Wash, between the Market St bridge and the 60 Fwy. 224 Comment
  UCR59812  Cyperus eragrostis Jeri Hirshberg 1989-7-19 s.n. Riverside vicinity of Lake Skinner: dry streambed below dam, north of stock pond & treatment plant Comment
  UCR110412  Cyperus erythrorhizos A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23179 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UC1930201  Cyperus niger Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10680 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  RSA605230  Cyperus niger var. capitatus A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11745 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  CAS-BOT-BC113966  Cyperus odoratus G. R. Kleeberger 1878-12-27 s.n. Riverside Temescal Comment
  UC212810  Cyperus rotundus F. M. Reed 1918-1 Riverside Riverside Comment
  CAS-BOT-BC334204  Dalea O. F. Clarke 2010-2-20 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  CLARK-A1528-470  Dalea mollissima Rodney Hendrick 1965-3-14 Riverside Box Canyon 182-274 Comment
  SEINET10452146  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2062 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UC73149  Dalea mollissima E. E. Schellenger 1904-12-3 99 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  CSUSB2123  Dalea schottii Wayne White 1975-5-17 709 Riverside Highway I-10, Chuckwalla Mountains, Colorado Desert 304 Comment
  POM193517  Dasyochloa pulchella J. B. Feudge 1929-9-15 2026 Riverside Cottonwood Springs, Colorado Desert. Comment
  OBI45072  Datisca glomerata Robert F. Thorne, C. W. Tilforth, L. DeBuhr, and E. Lathrop 1975-8-29 47299 Riverside Cleveland Natl Forest Comment
  UC1279965  Datisca glomerata Peter H. Raven with R. Snow 1957-7-26 11115 Riverside 2.0 mi s of Vista Grande Ranger Station (Banning To Idyllwild road); San Jacinto Mountains Comment
  UCR59510  Datisca glomerata Steve Boyd, T. S. Ross, Laurel Arnseth 1989-5-7 3564 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  UCR213447  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37802 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UC1792826  Deinandra kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 472 Comment
  RSA736955  Deinandra paniculata Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 22 Riverside W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  UCD131168  Deinandra paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  RSA398676  Delphinium parishii Anstruther Davidson 1924-1 s.n. Riverside [Unspecified] Comment
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Nov 17 2011
  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
  SDSU10045  Delphinium parryi H. Wedberg 1962-5-23 942 Riverside 4.8 miles from hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR213465  Delphinium parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38360 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR256770  Delphinium parryi T. B. Salvato, Matthew Malle 2013-4-15 7543 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  OBI32515  Delphinium parryi subsp. parryi Steve Boyd 1978-4-29 780429 -01 Riverside Along hwy 74, 1.5 mi N of lake Elsinore Comment
  UCR49241  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA0126637  Descurainia pinnata subsp. intermedia Duncan S. Bell 2016-3-4 8800 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
  RSA771749  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4611 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR158262  Dichelostemma capitatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30117 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
  RSA562486  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross 1992-5-5 7250 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 793 Comment
  SDSU12912  Dichelostemma capitatum subsp. capitatum Jutta Buschbom 1991-5-1 2 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  UCR16307  Dichelostemma capitatum subsp. capitatum B. A. Beebe 1970-4-11 15 Riverside Peninsular Range; San Jacinto Mtns,, north bank of the San Jacinto River, c. 1 mi upstream from its junction with the North Fork 854 Comment
  CAS-BOT-BC292178  Dicoria canescens J. Von Loh 1977-10-30 2601 Riverside Margin of Ford Dry Lake Comment
  CDA4516  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  RSA0107426  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of the Arica Mountains; west side of Rice Valley; about 3 air miles south of the ghost town of Rice. 227 Comment
  RSA11409  Dicoria canescens P. A. Munz 1921-12-31 4705 Riverside Between Palm Springs & Whitewater. Comment
  UCR92770  Dicoria canescens F. M. Reed 1928-2-15 5707 Riverside Sonoran (Colorado) Desert, west of Edom along the highway 213 Comment
  CAS-BOT-BC150935  Diplacus bigelovii var. bigelovii D. A. Johansen; J. A. Ewan 1932-4-11 7093 Riverside Martinez Canyon, Santa Rosa Mts. 304 Comment
  CAS-BOT-BC153096  Diplacus fremontii Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  RSA0018424  Diplacus longiflorus var. calycinus N. C. Cooper 1944-6-16 1428 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA0018436  Diplacus longiflorus var. calycinus Hendle 1940-05 s.n. Riverside Idlewild. [Idyllwild] Comment
  RSA0018429  Diplacus longiflorus var. longiflorus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  RSA0019304  Diplacus puniceus B. Pitzer 1997-3-23 2958 Riverside Lakeview Mtns, ca. 1 air mile SSW of Mt. Rudolph, along powerline rd 0.3 mile E of Contour (Juniper Flats) Rd. 610 Comment
  UC129372 Image available Ditaxis californica H. M. Hall Apr, 1905 5796 Riverside 7 mi. w. Coachella; Colorado Desert, Marshall Canyon 30 Comment
  UC303381  Ditaxis claryana Marcus E. Jones, A. M. 1906-4-26 Riverside Indio Comment
  CLARK-A1656-844  Ditaxis lanceolata Jon Mark Stewart 1983-10-31 83-50 Riverside Palm Desert 1200 Comment
  RSA5554  Ditaxis lanceolata B. D. Stark 1932-6-15 3735 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  RSA792572  Ditaxis lanceolata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 148 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  UC868541  Ditaxis lanceolata Alice Eastwood 1913-4-30 3008 Riverside Blue Canyon Palm Springs; , Blue Canyon Comment
  UCR85173  Ditaxis lanceolata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16097 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SD113862  Ditaxis neomexicana Darley F. Howe 1952-4-28 2194 Riverside Chuckwalla Mountains Comment
  UCR211501  Ditaxis neomexicana Jim Andre, T. La Doux 2008-9-13 10269 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  RSA663845  Dithyrea californica C. R. Annable 1995-3-16 2296 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  SEINET3148478  Dithyrea californica G. B. Grant 1906-1 266 a-6769 Riverside Colorado desert at Palm Springs Comment
  UC68559  Dithyrea californica H. M. Hall 1905-4-15 5772 Riverside Indian Well Colorado Desert Comment
  UCR245959  Dithyrea californica Duncan S. Bell 2009-3-8 63 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  POM95311  Dithyrea californica Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  SBBG87438  Dodecatheon clevelandii S. Myers 1988-2-24 Riverside Temescal Cyn, ca. 0.25 mi W of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR51369  Dodecatheon clevelandii A. C. Sanders 1988-1-30 7592 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  UCR154542  Downingia Jason L. Hlebakos 2005-5-18 707 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  POM160111  Draba cuneifolia var. integrifolia E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  CLARK-A1528-5229  Draba sonorae John C. Roos 1952-3-19 5402 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  RSA596154  Dryopteris arguta Darin L. Banks 1996-11-7 1191 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  RSA675704  Dryopteris arguta Scott D. White 2000-11-15 8146 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA0015684  Dudleya Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6042 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 2.75 air miles west of Corn Springs and about 0.25 air mile southeast of Aztec Well. 609 Comment
  SEINET9037719 Image available Dudleya lanceolata M. A. Baker 2015-1 18321 Riverside San Gorgonio Pass, 4.2km east of the San Gorgonio River, 28km WNW of Palm Springs, broad dissected wash of pale rock, gravel, and sand 640 Comment
  RSA397785  Dudleya saxosa subsp. aloides Jeannette B. Edge 1934-3-30 s.n. Riverside Whitewater. Comment
  RSA503201  Dudleya saxosa subsp. aloides R. F. Thorne 1983-4-23 55501 Riverside On W side of canyon, about 3.3 mi. N of Whitewater Post Office. 610 Comment
  UCR72348  Dyssodia porophylloides Theo Glenn 1991-5-15 91- 35 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  SEINET10937686  Echinocactus acanthodes A. Evans 1976-4-13 Evans 5173 Riverside Rocky slopes of santa rosa mtns. Comment
  SEINET3071816  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17500 Riverside Queen Mountain quadrangle, 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
  UCD61060  Echinochloa muricata var. microstachya H. S. Yates 1937-6-27 6707 Riverside San Jacinto, near Relief Hot Springs. 457 Comment
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Mar 13 2011
  UCR30551  Echinodorus berteroi John C. Roos 1937-6-7 2236 Riverside San Jacinto River Valley, Foot of Jackrabbit Trail. [N of San Jacinto] Comment
  UCR89823  Echinodorus berteroi 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
  RSA40573  Eclipta prostrata J. C. Roos 1948-10-23 s.n. Riverside Mud at edge of shallow pool. Comment
  RSA336207  Elatine californica R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51987 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  UC219271  Elatine californica P. A. Munz and I. M. Johnston 1922-5-20 5460 Riverside Kenworthy San Jacinto Mts 1432 Comment
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Mar 25 2011
  SEINET3910445  Eleocharis acicularis Faulkner 1978-3-21 354 Riverside 9 miles No. of Blythe Highway 95.; 0 152 Comment
  UCR266812  Eleocharis macrostachya Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 01 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  SD90468  Eleocharis montevidensis Robert F. Thorne, E. Lathrop 1969-6-6 39345 Riverside Santa Rosa Plateau, Rancho California, shallow water of small stream. 609 Comment
  RSA736244  Eleocharis parishii Scott D. White, Jonathan Campbell 2008-4-18 11894 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UCR20459  Eleusine indica John C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside, in moist clay garden 259 Comment
  SD132491  Elymus condensatus Scott White 1990-10-2 Riverside Vail Lake area: Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  CAS-BOT-BC227733  Elymus elymoides H. M. Hall 1901-7-1 2409 Riverside San Jacinto Mountains. Tamarack Valley 2804 Comment
  SEINET10834346  Elymus elymoides David B. Dunn 1946-8-17 Dunn 2709 Riverside Grass found in Taquitz Valley in the San Jacinto Mts. 2560 Comment
  RSA192306  Elymus glaucus subsp. glaucus E. W. Lathrop 1966-4-13 6173 Riverside 3.0 miles SW of Murrieta. Comment
  UCR2359  Elymus glaucus subsp. glaucus F. M. Reed 1907-6-16 1418 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  SD133074  Emmenanthe penduliflora Scott White 1991-5-13 91 97 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR241193  Emmenanthe penduliflora T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 375 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCSB5251  Emmenanthe penduliflora Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  JOTR30211  Emmenanthe penduliflora var. penduliflora Leary, Pat 1974-3-17 334 Riverside In wash area 0.5 mi West of junction of U.S. 60 and CA State Hwy 195 near southern end of Joshua Tree National Monument; T6S R11E sec 14. NOT IN JOSHUA TREE NATIONAL PARK. 472 Comment
  POM4956  Encelia californica H. M. Hall 1902-04 2922 Riverside Vicinity of Riverside 366 Comment
  UC1118071  Encelia farinosa R. St. John 1930-3-26 109 Riverside Elsinore Quad., Lamb Canyon 518 Comment
  UC895510  Encelia farinosa C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  UCR97691  Encelia farinosa A. C. Sanders, G. Helmkamp 1997-3-15 19966 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UCSB24046  Encelia farinosa McMinn, Howard 1937-3-5 Riverside 29 Palms Junction Comment
  POM356683  Encelia farinosa var. farinosa Ora M. Clark 1929-2-24 153 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA308544  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3151 Riverside 10 miles east of Indio. Comment
  RSA556519  Encelia farinosa var. farinosa Julie Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA777679  Encelia frutescens Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 981 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  JEPS49102  Ephedra Dr. L. M. Newlon 1922-4-3 442 Riverside Andreas Canyon Mt. San Jacinto, Andreas Canyon Comment
  CAS-BOT-BC81536  Ephedra californica F. A. M. 1936-3-20 14475 Riverside Morongo Valley Comment
  POM119732  Ephedra californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA0098480  Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  RSA339644  Ephedra californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54240 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA776572  Ephedra californica Amber Swanson 2011-4-8 370 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA740252  Epilobium brachycarpum Scott D. White, Justin M. Wood 2008-7-9 12406 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR138594  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1216 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  RSA799074  Epilobium canum subsp. latifolium Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6870 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  RSA356642  Epilobium densiflorum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47296 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. 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
  UCR18395  Epilobium hallianum A. C. Sanders 1978-9-3 468 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  IRVC2717  Epipactis gigantea Mike McCartin 1965-4-17 s.n. Riverside Palm Springs; Andreas Canyon. Sonoran Desert/Peninsular Ranges Comment
  CLARK-A1528-24  Equisetum arvense Ruth Cooper 1952-9-12 635 f Riverside Riverside Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 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
  RSA741376  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside Johnson Meadow. 1415 Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET3866231 Image available Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland Nat. Forest.; 0 579 Comment
  JOTR38421  Eragrostis cilianensis Hodges, Stephen, A. Ingersoll 2015-8-26 650 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  UCR142069  Eragrostis intermedia A. C. Sanders 2002-11-21 25653 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UC169817  Eragrostis mexicana subsp. virescens H. M. Hall 1901-8-6 2653 Riverside vicinity Riverside 457 Comment
  RSA77201  Eremalche exilis F. W. Peirson 1917-4-1 2053 Riverside Andreas Canyon near Palm Springs. Comment
  UC2031361  Eremalche exilis Duncan S. Bell with Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, and Gene Ratcliff 2013-4-7 4765 Riverside E side of Arica Mountains; W side of Rice Valley approx. 6 air miles SE of the ghost town of Rice or approx. 5.3 air miles E of Priests Well. Comment
  UC218033  Eremalche rotundifolia P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4874 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  RSA544320  Eremocarpus setiger Steve Boyd 1991-9-8 6428 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  SBBG6260  Eremocarya micrantha H. and M. Dearing 1942-2-5 4791 Riverside Cathedral City Comment
  UC1971363  Eremothera refracta W. Wisura 1998-3-28 5115 Riverside 3.3 mi W of Corn Spring S of I-10. Comment
  RSA0105505  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1978-6-15 7381 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  CAS-BOT-BC514304  Eriastrum densifolium subsp. austromontanum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC514321  Eriastrum densifolium subsp. austromontanum Philip A. Munz 1927-5-29 15105 Riverside Dos Palmos Spring, N end Santa Rosa Mts. 1097 Comment
  UCR35045  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-6-14 159 Riverside San Jacinto Valley, 1 mi. east of San Jacinto 473 Comment
  UCR160849  Eriastrum eremicum Mark S. Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs area, SW corner of Hwy 111 and Gene Autry Trail 104 Comment
  JOTR32969  Eriastrum eremicum subsp. eremicum La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2720 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA0120068  Eriastrum eremicum subsp. eremicum M. French Gilman 1926-5-9 A- 15 Riverside Colorado Desert. Morogo Wash. Comment
  UC1929491  Eriastrum sapphirinum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  RSA0121574  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA0122016  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Dave Bramlet 1990-4-29 4487 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  SD181417  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Tasha La Doux 2000-6-3 7998 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA0121579  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  RSA0121590  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-9 1078 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  SD28108  Eriastrum sapphirinum subsp. sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains; Point View, near Idyllwild. 1646 Comment
  JEPS19170  Ericameria cuneata var. spathulata W. L. Jepson 1928-4-25 12582 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 914 Comment
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Oct 9 2010
  RSA500079  Ericameria linearifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3233 Riverside Vail Lake Area. Sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  RSA772850  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4841 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
  CAS-BOT-BC298879  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  CAS-BOT-BC298121  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  UC1929322  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10666 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  JOTR36388  Ericameria teretifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3341 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  CAS-BOT-BC296137  Erigeron foliosus var. foliosus Lester Rowntree 1936-5-16 s.n. Riverside Pines to Palms Road Comment
  CAS-BOT-BC189079  Eriodictyon crassifolium H. E. McMinn 1925-7-1 1519 Riverside By wash, between Palm Springs and the canyon mouth Comment
  RSA455026  Eriodictyon crassifolium H. de Forest 1924-4-18 s.n. Riverside Andreas Canyon. Comment
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Nov 17 2011
  CAS-BOT-BC188973  Eriodictyon parryi H. M. Hall 1896-9-2 332 Riverside San Jacinto Mountains Comment
  SEINET10445992 Image available Eriodictyon trichocalyx Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-4-10 18309 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  RSA783134  Eriogonum J. D. Olmsted 1959-10-23 1071 Riverside On Idyllwild Banning road, 2 miles S of turnoff to Poppett Flat. San Jacinto Mts to San Jacinto River. 1280 Comment
  UCR265844  Eriogonum Mitch Provance, Jeremiah George 2012-8-4 812- 37 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  CAS-BOT-BC248624  Eriogonum apiculatum Louis C. Wheeler 1931-10-3 233 Riverside 1 1/2 mi. NW Tahquitz Peak, San Jacinto Mts. 1889 Comment
  JEPS57092  Eriogonum apiculatum Marjorie D. Clary 1932-11-14 1675 Riverside Palms to Pine Road San Jacinto Mts. 1310 Comment
  RSA393081  Eriogonum apiculatum Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
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Nov 6 2011
  UCR272169  Eriogonum apiculatum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-6-16 8571 Riverside Santa Rosa Mountains, along Forest Service Road 7S02, c. 0.7 air mile west of the summit of Santa Rosa Mountain Comment
  UCR20541  Eriogonum davidsonii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR262263  Eriogonum davidsonii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3741 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
  CAS-BOT-BC246439  Eriogonum deflexum var. deflexum S. B. P. 1912-10-11 8290 Riverside Caleb, Salton Sink, Colorado Desert Comment
  POM50081  Eriogonum deflexum var. deflexum E. C. Jaeger 1925-1-12 s.n. Riverside Painted Canon, Colorado Desert. Comment
  RSA65123  Eriogonum deflexum var. deflexum F. W. Peirson 1927-4-12 7164 Riverside Painted canyon, near Mecca. Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR138605  Eriogonum elongatum var. elongatum D. L. Banks 1996-11-7 1199 Riverside Agua Tibia Mtns, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the reservation, 150 m east of the spring on the northern fork of Pechanga Creek, at the E end of the reservation 579 Comment
  UCR178538  Eriogonum fasciculatum R. G. Swinney 1967-5-26 135 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCD99970  Eriogonum fasciculatum subsp. fasciculatum K. Esau 1935-6-15 s.n. Riverside Riverside County. Comment
  UCR139640  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2004-6-30 28392 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
  UCSB50075  Eriogonum fasciculatum var. foliolosum Millett, B. 1980-5-17 Riverside On Teneja Road, 10 miles west of its junction with Clinton-Keith Road 365 Comment
  RSA773186  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4919 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
  UC1563140  Eriogonum gracile Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3660 Riverside Temecula Creek canyon below dam; Vail Lake area, Temecula Creek canyon; Coordinates: T8 R1W NW1/4 NW1/4 sec.10, NE1/4 NE1/4 sec.9 457 Comment
  RSA393246  Eriogonum gracile var. gracile Ann Grove 1980-10-8 9 ..10 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murrieta, southwest Riverside Co. Comment
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Dec 1 2014
  SD187458  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-9-16 10767 Riverside San Jacinto Mountain Foothills, San Jacinto River wash near Indian Creek confluence 502 Comment
  UCR204181  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Peninsular Range; San Jacinto Mountains, southern spur of Pine Meadow, SE of Hwy 371, NW of Santa Rosa Summit, north side of Hwy 74 1477 Comment
  JEPS56815  Eriogonum inflatum E. E. Schellenger May 1920 Riverside Hayfields near Mecca; Colorado Desert Comment
  UCR165285  Eriogonum inflatum 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
  POM8830  Eriogonum inflatum var. inflatum Mary F. Spencer 1920-6-4 s.n. Riverside Palm Springs. Comment
  RSA783167  Eriogonum lobbii J. D. Olmsted 1959-7-1 790 Riverside 0.5 mi. below Deer Springs on Deer Springs trail north of Idyllwild, N Fk. San Jacinto River drainage, west-southwest slope 2500 Comment
  RSA423087  Eriogonum molestum N. R. Zabriskie 1972-9-17 539 Riverside S side Hwy. Riv. 243 at 8.94, ca 1 mile above Black Mountain turnoff. 1768 Comment
  LA206958  Eriogonum nudum var. pauciflorum Louis C. Wheeler; 1931-10-4 219 Riverside San Jacinto Mountains, Hemet-Idyllwild Road Comment
  RSA424847  Eriogonum pusillum Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
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Dec 18 2011
  RSA688859  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Dec 4 2012
  CAS-BOT-BC253011  Eriogonum reniforme N. Aitkenhead 1977-2-2 2196 Riverside ~1 mile from junction of J.T. Mon. Rd. and pipline Comment
  RSA735326  Eriogonum reniforme Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11294 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  GMDRC5505  Eriogonum saxatile J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  JOTR31060  Eriogonum saxatile La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2043 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  CAS-BOT-BC263512  Eriogonum thomasii H. L. Mason 1928-3-10 4190 Riverside White Water River Comment
  JOTR35144  Eriogonum thomasii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3256 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  JOTR35212  Eriogonum thomasii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3636 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road (Stop 1) Comment
  RSA0020370  Eriogonum thomasii Duncan S. Bell 2012-3-4 3129 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA339648  Eriogonum thurberi Robert F. Thorne, C. W. Tilforth 1980-5-28 54237 Riverside San Bernardino Mountains: Along Whitewater River, ca 3.2 miles N of Whitewater P.O. and Hwy 10. Comment
  RSA543833  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA601446  Eriogonum thurberi Louis C. Wheeler 1932-9-4 1323 Riverside Santa Ana River at Chino Creek. 152 Comment
  CAS-BOT-BC263585  Eriogonum trichopes Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA681033  Eriogonum trichopes Scott D. White, Michael Honer 2003-5-14 9265 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA796471  Eriogonum trichopes Duncan S. Bell 2009-4-18 209 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  JOTR29590  Eriogonum wrightii var. nodosum Andre, Jim 2006-4-26 6782 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  SD48398  Eriogonum wrightii var. nodosum E. K. Balls, P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  UCR51982  Erioneuron pulchellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2185 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC298482  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1920-2-16 1387 Riverside Below Murray Canyon, Palm Springs region 274 Comment
  POM357895  Eriophyllum ambiguum var. paleaceum Emery M. Whilton 1937-4-23 s.n. Riverside Taken on the crest of the San Jacinto Mtns. Comment
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Dec 18 2011
  POM229441  Eriophyllum confertiflorum P. A. Munz 1937-5-30 15096 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1676 Comment
  RSA36563  Eriophyllum confertiflorum Sara M. Schenck 1942-6-3 s.n. Riverside Black Rock Springs, Joshua Tree National Monument. 1140 Comment
  UCR142191  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR174265  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32670 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., near stream crossing of dirt road 549 Comment
  RSA594045  Eriophyllum confertiflorum var. confertiflorum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0928 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  SBBG100492  Eriophyllum confertiflorum var. confertiflorum W. L. Halvorson 1977-4-1 77 -223 Riverside ca. 5 mi S of Temecula Comment
  UCR29852  Eriophyllum lanosum George K. Helmkamp 1983-3-24 383- 4 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  UCR281271  Eriophyllum multicaule Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 31 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  JOTR30964  Eriophyllum pringlei La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1939 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SDSU4119  Eriophyllum wallacei T. Bruhns 1965-5-23 130 Riverside At 2,000 ft., sign along state highway 74, below Idyllwild. 610 Comment
  UCR154735  Eriophyllum wallacei T. B. Salvato, Kent Beaman 2005-5-16 764 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
  RSA708651  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  CSUSB48  Erodium cicutarium Steve Stadler 1966-3-2 030266 22 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
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Sep 29 2011
  UCD103199  Erodium cicutarium Barry Priggs; L. Martinez 1978-3-23 2400 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
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Sep 9 2013
  CAS-BOT-BC376152  Erodium moschatum L. Nye; G. Gust 2005-3-11 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA0021554  Erodium texanum Duncan S. Bell 2012-3-4 3138 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UCR12317  Eryngium aristulatum O. F. Clarke 1971-11-14 s.n. Riverside Peninsular Range, Mesa de Colorado on the Santa Rosa Plateau, just north of San Diego Co. line 627 Comment
  RSA0077524  Erysimum asperum G. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  RSA0019309  Erythranthe guttata John F. Emmel 1983-6-26 869 Riverside SE end San Jacinto Mts.; along trail from Tripp Meadow to Cedar Spring, ca. 0.7 air mile NNW of Pyramid Peak. 1829 Comment
  SEINET8411978  Erythranthe microphylla G. R. Campbell 1948-7-3 606 Riverside 3 miles north of Dark Canyon, road between Idyllwild and Banning. Comment
  RSA0014877  Erythranthe primuloides P. A. Munz 1922-7-6 5983 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  RSA395894  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  UC1584114  Eschscholzia californica Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3859 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (s flank of mt.); 'Big' Oak Mtn., Vail Lake area 396 Comment
  CHSC8444  Eschscholzia minutiflora Edward Laidlaw Smith 1958-3-21 370 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  UCR178567  Eschscholzia minutiflora R. G. Swinney 1967-3-5 58 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  SEINET12102699  Eschscholzia minutiflora Unknown 1936-1 12860 Riverside near Palm Springs Comment
  RSA0023200  Eschscholzia papastillii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11272 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCD96509  Eschscholzia papastillii Shannon M. Still 2009-2-22 443 Riverside California. Riverside County: Joshua Tree National Park. ca. 2/3 way to Lost Palms Canyon on either side of Lost Palms Canyon Trail. 932 Comment
  CAS-BOT-BC419614  Eschscholzia parishii Richard Snow 1952-4-14 11 -1 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  CAS-BOT-BC419623  Eschscholzia parishii Frank W. Peirson 1928-4-23 7888 Riverside 2 1/2 miles below Cottonwood Spring, (direct road) Comment
  RSA727396  Eschscholzia parishii Naomi Fraga, Lisa Rojas 2005-2-10 1398 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC855176  Eschscholzia parishii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs Comment
  UCR104030  Eschscholzia parishii George K. Helmkamp 1998-4-4 3160 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  SBBG104165  Escobaria vivipara var. alversonii E. R. Blakley 1993-5-20 7567 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  RSA0010858  Eucalyptus camaldulensis Scott D. White, D. Flietner 1998-12-2 7195 Riverside Along Temescal Creek. Temescal Canyon/Lake Elsinore area. 366 Comment
  UC1608076  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5955 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
  UCD103100  Eucalyptus camaldulensis F. M. Reed 1916-11-12 3759 Riverside Jensen Ranch, west Riverside. Comment
  SEINET237965 Image available Eucalyptus rudis A. C. Sanders 1998-1 21649 Riverside Lake Skinner area: along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley. 640 Comment
  UCR140705  Eucrypta chrysanthemifolia A. C. Sanders 2004-5-12 27862 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UC449852  Eucrypta chrysanthemifolia var. chrysanthemifolia Fred M. Reed 1908-2-2 2017 Riverside Sycamore Canyon Box Springs Hills, Riverside (Box Springs Hills, Riverside and vicinity) Comment
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  JOTR34191  Eulobus californicus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2985 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UC2015586  Eulobus californicus A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16095 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  RSA591729  Euonymus occidentalis J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  RSA659708  Euonymus occidentalis J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  UCR240267  Euphorbia abramsiana Neal Kramer, Wendy McBride 2012-9-3 2068 Riverside Sonoran (Colorado) Desert, south side of Power Line Rd c. 2.75 miles east of Wily's Well Rd and 1.65 miles south of I-10 Fwy 129 Comment
  SD136852  Euphorbia albomarginata Steve Boyd, Tim Ross 1992-6-10 7638 Riverside So. Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon nr. 'Potrero Escondido', isolated area of low relief topping the ridge system due W of the junction of Tenaja Rd & Los Alamos Rd @ join of Los Alamos Ck. W/main trunk San Mateo Ck 669 Comment
  UCR171895  Euphorbia albomarginata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  RSA770645  Euphorbia crenulata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51996 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA0002689  Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert 61 Comment
  UCR240064  Euphorbia eriantha A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40506 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR281920  Euphorbia micromera A. C. Sanders, Jim Malusa 2017-9-21 43351 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR28985  Euphorbia micromera A. C. Sanders 1982-12-19 3452 A Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  JOTR35059  Euphorbia polycarpa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3511 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR145475  Euphorbia prostrata L. C. Wheeler 1965-6-27 8691 Riverside Corona; Overholtzer's Grove 335 Comment
  UC74007  Euthamia occidentalis F. M. Reed 1904-11-5 669 Riverside West Riverside on Evans Ranch above Chinese gardens Comment
Read comments
Jan 14 2010
  CAS-BOT-BC167368  Fagonia laevis H. M. Hall 1905-4-1 5806 Riverside 10 miles west of Coachella. Colorado Desert 152 Comment
  JOTR33810  Fagonia laevis La Doux, Tasha, B. Truesdell 2007-11-9 3327 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  POM9059  Fagonia laevis Philip A. Munz, R. D. Harwood 1920-4-3 3578 Riverside 30 miles west of Blythe. 366 Comment
  RSA784766  Fagonia pachyacantha Duncan S. Bell 2012-3-18 3170 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  RSA591751  Festuca elmeri E. W. Lathrop 1966-5-26 6333 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CLARK-A1528-64  Festuca megalura C. M. Flanagan 1973-4-26 OO 315 Riverside Morongo Indian Reservation 1158 Comment
  UC1979683  Festuca microstachys Darin L. Banks, Steve Boyd 1995-5-9 394 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR174343  Festuca microstachys A. C. Sanders 2006-5-19 32384 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
  UCR162764  Festuca myuros S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR5908  Festuca myuros Leland E. Francois 1966-3-29 32966- 2 Riverside Riverside, SE corner US Salinity Laboratory property, located at the corner of 14th St. and Palm Ave. 290 Comment
  RSA0120622  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-3-15 8933 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  SEINET238915 Image available Festuca octoflora A. C. Sanders 1998-3-17 21744 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills S of Hemet (Winchester. 7.5' Q.) 343 Comment
  UCR214287  Festuca octoflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37486 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA524432  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4048 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA543788  Filago californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6045 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
  RSA586249  Filago californica D. L. Banks 1995-4-11 0168 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  UCR155822  Filago californica John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 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
  SEINET7048181  Filago californica Steven R. Hill 2001-5-3 33690 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA689492  Filago gallica Scott D. White 2001-4-19 8369 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  CDA5874  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  RSA495805  Forestiera neomexicana Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2914 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  SEINET8547771  Forestiera neomexicana I. W. Clokey, C. B. Clokey, B. Templeton 1930-4-15 s.n. Riverside Gavilan Peak, Ravine bottom 550 Comment
  JEPS42931  Forestiera pubescens C. B. Clokey, I. W. Clokey, and B. Templeton 1930-4-15 4622 Riverside Gavilan Peak 550 Comment
  CSUSB2046  Fouquieria splendens Wayne White 1975-5-17 707 Riverside Red Cloud Road south of Highway I-10. Chuckwalla Mountains. 441 Comment
  HSC8339  Fouquieria splendens J. J. Wagoner 1965-4-13 32 Riverside E slope of San Jacinto along Palms to Pines Hwy., 7 mi. W of Palm Desert 213 Comment
  UCSB22946  Fouquieria splendens Hulsizer, Bill 1965-5-16 Riverside Near Palm Springs, on California 74, 6.4 miles west of junction with California 111 548 Comment
  JEPS83134  Fouquieria splendens subsp. splendens R. P. Allen 1935-3-23 Riverside Shaver's Well Comment
  RSA750123  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 171 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  POM230678  Frangula californica subsp. californica I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. Hillsides. 1650 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
  UCSB46879  Frankenia palmeri Roos, John 1965-6-30 Riverside Perris Comment
  SD146251  Frankenia salina A. C. Sanders, D. Bramlet, et al. 1999-10-15 23185 Riverside San Jacinto Valley; Mystic Lake. 436 Comment
  RSA501076  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3194 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR181053  Fritillaria biflora Mitch Provance, Seychelle Provance 1997-3-14 1084 Riverside Gavilan Hills, S side of Ida Leona Rd., c. 1/2 mile east of Gavilan Rd. [S side of Harford Spr. Park] 610 Comment
  RSA736787  Funastrum cynanchoides var. cynanchoides Scott D. White, Angelia Carey 2004-7-2 10549 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA458589  Funastrum cynanchoides var. hartwegii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SEINET3081970 Image available Funastrum cynanchoides var. hartwegii B. Pitzer 1986-4-26 185 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  RSA282792  Galium andrewsii subsp. andrewsii C. W. Tilforth, B. Busenberg 1980-6-10 1983 Riverside Along Thomas Mtn. Rd., west of Hwy 74 andGrown in Botanic Garden from seed collected Aug. 21,1952, by P.A.Munz and E.K.Balls, 1 mi. w. of Fuller Mill Creek, Banning-Idyllwild. south of Lake Hemet. Comment
  JEPS56074  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4178 Riverside Hwy 79 17.2 mi s Hemet (n-facing slope) Comment
  JEPS56078  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4249 Riverside steep s-facing slope just below Toro Peak ((i.e. s of saddle e of peak)); Santa Rosa Mts. 2499 Comment
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA543308  Galium angustifolium subsp. angustifolium Steve D. Boyd 1991-3-17 5488 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA720458  Galium angustifolium subsp. angustifolium Naomi S. Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1694 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1585 Comment
  SD229267  Galium angustifolium subsp. angustifolium Dick Schwenkmeyer 2012-6-27 743 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA706290  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1279 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  POM284281  Galium porrigens Lyman D. Benson 1932-3-26 3179 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR187499  Galium porrigens Theresa Johnson 2006-5-11 106 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  RSA0042107  Galium stellatum Duncan S. Bell, Deidre Conocchioli 2014-3-11 6228 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UCR34932  Gamochaeta pensylvanica L. B. Ziegler 1977-3-20 560 Riverside Cismontane; San Jacinto Valley, City of San Jacinto 473 Comment
  UCR88574  Gamochaeta stagnalis A. C. Sanders, J. C. Lyman 1995-4-16 16566 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UC1871081  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  POM261679  Garrya flavescens var. pallida W. Pequegnat 1941-1-11 s.n. Riverside Indian Truck Trail, Santa Ana Mts. 976 Comment
  CAS-BOT-BC158023  Garrya veatchii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns.; Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats, along the road below the pond 1097 Comment
  SD260977  Gaura A. C. Sanders, John F. Green 2012-5-27 40205 Riverside Peninsular Range; Perris - Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 427 Comment
  POM122259  Gayophytum diffusum subsp. parviflorum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR4659  Gayophytum heterozygum Frank C. Vasek 1964-7-19 640719- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  RSA593502  Gazania linearis Steve Boyd, Lorrae Fuentes 1996-5-2 8765 Riverside Santa Ana Mountains, Santa Rosa Plateau area at the intersection of Tenaja Road and Rancho California Road, southeast of Tenaja Guard Station, in flats between Redonda Mesa and Squaw Mountain. Comment
  POM13988  Geraea canescens P. A. Munz 1922-4-9 4891 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA789494  Geraea canescens Wilma Griset 1931-3-28 78 Riverside Colorado Desert (Edon). [Edom?] Comment
  SEINET10726155  Geraea canescens Billy Joe Cox 1975-4-23 Cox 4176 Riverside Palo Verde, 1-3 km W, (ca, 32 mi S of Blythe). 70 Comment
  UC64175  Geranium californicum H. M. Hall Aug 1901 2576 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UCR139140  Gilia John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR154383  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16215 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA522744  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3851 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
  RSA678447  Gilia angelensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10457 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
  SEINET3087920 Image available Gilia angelensis A. C. Sanders, J. Dice, Rose Woodard, D. Woodard 1995-3-29 16283 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. Comment
  RSA63395  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1948-5-23 8578 Riverside Near Hemet. 1067 Comment
  UCR202332  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns., c. 300 m west of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles north of I-10 627 Comment
  RSA87941  Gilia diegensis Verne Grant 1954-6-10 19657 Riverside Yellow Pine Forest at Mountain Home Springs on Santa Rosa Mountain. 2134 Comment
  UC908894  Gilia diegensis Herbert L. Mason 1928-3-11 4257 Riverside San Gorgonio Pass Comment
  UCR1068  Gilia diegensis J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCR130222  Gilia diegensis George K. Helmkamp, E. A. Helmkamp 1998-6-27 4109 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  RSA754126  Gilia ochroleuca W. Schlegel, Andrew Troutte 2008-8-8 6 Riverside Idyllwild: Dry creek bed. Comment
  CAS-BOT-BC407619  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside Temecula Canyon, 1 mile S of Temecula Comment
  RSA480097  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2186 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA778253  Gilia scopulorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 919 B Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  POM13576  Gilia stellata P. A. Munz, D. D. Keck 1922-4-9 4871 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  UCR244401  Gilia stellata Jim Andre 2012-4-16 20983 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR245889  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  IRVC28172  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Alberhill Mtn., SE of old clay mining area. Peninsular Ranges 448 Comment
  CLARK-A1528-4676  Glyceria elata John C. Roos 1941-8-2 85 Riverside San Jacinto Mountains Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR130262  Gnaphalium leucocephalum Robert Noll 2003-9-24 s.n. Riverside San Jacinto River at Lake/Main St. crossing, east edge of San Jacinto 488 Comment
  UCR104899  Gnaphalium luteoalbum A. C. Sanders 1997-3-19 20040 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  CAS-BOT-BC307399  Gnaphalium palustre A. C. Sanders; Guy Bruyea 2003-6-12 26886 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave. ca. 1 km west of Hwy 79/Winchester Road 445 Comment
  RSA643676  Gnaphalium palustre A. C. Sanders, J. C. Lyman 1995-4-16 16567 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  HSC5732  Gutierrezia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23084 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  SD48519  Gutierrezia californica E. K. Balls, P. C. Everett 1957-11-4 22744 Riverside Snow Creek, north base San Jacinto Mountains. 700 Comment
  UC468773  Gutierrezia californica L. G. Childs 1920-11-25 Riverside Martinez Canyon Colorado Desert, Santa Rosa Mts. Martinez Canyon Comment
Read comments
Jun 4 2009
  CAS-BOT-BC302143  Gutierrezia sarothrae R. F. Hoover 1966-10-15 10172 Riverside Dead Indian Canyon Comment
  UCR272669  Gutierrezia sarothrae Sarah J. De Groot, Duncan S. Bell 2015-9-21 7580 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Dunn Road, between Asbestos Mountain and Haystack Mountain 1241 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
  UCR281216  Harpagonella palmeri var. palmeri Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 38 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  UCR128914  Hedypnois cretica A. C. Sanders, Mitch Provance 2001-4-5 23914 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  UCR135846  Helianthemum scoparium A. C. Sanders 2004-4-20 27535 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA220962  Helianthemum scoparium var. aldersonii E. W. Lathrop 1966-5-29 6380 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  POM320308  Helianthemum scoparium var. scoparium Worthman 1968-5-16 156 Riverside 6.7 mi. west of Murietta. 244 Comment
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Jun 16 2013
  CAS-BOT-BC305706  Helianthus gracilentus Peter H. Raven; Sidney R. Snow 1956-6-30 9525 Riverside 2.5 miles from Alberhill on road to Elsinore Comment
  UCR231737  Helianthus gracilentus John F. Green 2008-4-23 08- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR41324  Helianthus gracilentus N. M. Fellows, A. C. Sanders 1985-5-7 177 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
  RSA704847  Heliotropium curassavicum Anonymous 1947-4-5 s.n. Riverside Lake Elsinore. Comment
  SDSU14183  Heliotropium curassavicum Michelle Perl, Michael Simpson 2002-4-20 14 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. North of Santa Margarita River. 229 Comment
  UCR225741  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2011-3-30 38890 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  POM369762  Heliotropium curassavicum var. oculatum E. Mannatt 1931-4-19 s.n. Riverside Hemet Comment
  POM78908  Heliotropium curassavicum var. oculatum I. M. Johnston 1925-7-19 s.n. Riverside Pedley - Norco Road, 4 miles SSE of Wineville. Comment
  RSA588811  Heliotropium curassavicum var. oculatum D. L. Banks, S. D. Boyd 1995-11-17 764 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
  SBBG87828  Heliotropium curassavicum var. oculatum A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6092 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  RSA680563  Hemizonia fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA736248  Hemizonia fasciculata Scott D. White, Justin M. Wood 2008-4-3 11801 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  UCR180106  Hemizonia fasciculata Mitch Provance 2003-4-26 9892 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  POM158202  Hemizonia paniculata P. A. Munz 1928-9-6 11285 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR113558  Hemizonia paniculata Mitch Provance 2000-9-1 2232 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  RSA0080067  Hemizonia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman s Retreat Lake. 597 Comment
  RSA532553  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  UCR174159  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32598 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  SD224911  Herniaria hirsuta var. cinerea A. C. Sanders, G. K. Helmkamp 1996-3-17 17986 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail. 163 Comment
  UC672095  Hesperocallis undulata Herbert L. Mason 1928-3-10 4208 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCR91508  Hesperocnide tenella Scott D. White, M. Jacobsmeyer 1996-4-20 3943 Riverside Elsinore Basin, Bundy Canyon, east of Lake Elsinore; c. 1 road mi. east of Bundy Canyon Rd exit from the Interstate Hwy 15 exit 451 Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR113181  Heterotheca grandiflora A. C. Sanders 1998-1-15 21640 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR163988  Heterotheca grandiflora John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  UCR167931  Heterotheca grandiflora T. B. Salvato, John F. Green 2004-5-27 657 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR194221  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  POM10026  Heterotheca sessiliflora subsp. echioides Anonymous 1904-9-23 s.n. Riverside Betw Temescal & Elsinore. Comment
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Jul 4 2010
  RSA596158  Heterotheca sessiliflora subsp. echioides D. L. Banks 1996-11-7 1218 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  UCR181354  Heterotheca sessiliflora subsp. fastigiata Mitch Provance 2004-5-7 6518 Riverside Granitic Knolls of Riverside, Riverside, just south of Arlington Ave., c. 1 mile east of Victoria Ave., c. 0.25 miles NE of peak 1434 372 Comment
  RSA336043  Hibiscus denudatus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52026 Riverside Chino Canyon. Comment
  RSA432782  Hibiscus denudatus Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC312331  Hieracium albiflorum J. Ewan 1930-8-31 2131 Riverside North fork Tahquitz Creek, San Jacinto Mts. 2499 Comment
  POM13398  Hieracium horridum E. C. Jaeger 1922-8-22 1016 Riverside Long Valley trail 2439 Comment
  UC489128  Hieracium horridum C. V. Meyer 1928-7-31 610 Riverside Tahquitz Peak San Jacinto Mts., Tahquitz Peak 2682 Comment
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Aug 3 2008
  JOTR33122  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  SEINET10933655  Hilaria rigida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2871 Riverside Pushawalla Canyon, Indio Hills. On dry plateau. Channel 1/2 mi NW. Comment
  SEINET11678261  Hilaria rigida Unknown 1936-1 12548 Riverside Colorado Desert, N of Palm Springs Comment
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Oct 7 2017
  CAS-BOT-BC207508  Hoffmannseggia glauca Marcus E. Jones 1929-9-16 24822 Riverside East of Desert Center Comment
  JOTR37050  Hoffmannseggia glauca Hodges, Stephen R. 2015-8-20 605 Riverside Joshua Tree National Park. Pleasant Valley, near roadside in ephemeral wet muddy area Comment
  RSA405281  Hoffmannseggia glauca Geo Cantwell 1935-4-8 s.n Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR18998  Hoffmannseggia glauca John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 17 miles west of Blythe 122 Comment
  CAS-BOT-BC207564  Hoffmannseggia microphylla D. E. Breedlove 1961-9-11 1259 Riverside along roadside of U.S. 60-70, 8 mi E of Indio 289 Comment
  CLARK-A1528-2785  Hoffmannseggia microphylla John C. Roos 1949-3-19 4108 Riverside Mecca Comment
  RSA717589  Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR75301  Hordeum depressum A. C. Sanders 1993-4-5 13686 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA85086  Hordeum intercedens J. C. Roos 1952-4-23 5571 Riverside 1 miles southeast of Perris 427 Comment
  UCR99329  Hordeum intercedens D. E. Bramlet 1996-4-11 2449 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, c. 762 m NE of Lakeview, 122 m east of Davis Road and 40 m north of Marvin Road 434 Comment
  UCR252610  Hordeum marinum T. B. Salvato, Matthew Malle 2013-4-2 7495 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR213899  Hordeum murinum Scott D. White, Justin M. Wood 2009-5-22 12897 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA595258  Hordeum murinum subsp. leporinum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0962 A Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  SBBG87467  Hordeum murinum subsp. leporinum A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6035 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 1350 Comment
  SDSU17483  Hordeum murinum subsp. leporinum Jerry Jenkins 2001-3-30 2001 -003 Riverside Santa Margarita Ecological Reserve. Edge of driveway. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA575992  Hordeum vulgare Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region; upper 'Santa Rosa Canyon' east of the Gavilan Plateau along Santa Rosa Road. 1/4 mile east of the stream crossing. 640 Comment
  CAS-BOT-BC148560  Horkelia clevelandii Mary F. Spencer 1919-6-19 1202 Riverside Idyllwild, San Jacinto Mts. 1645 Comment
  POM193759  Horsfordia alata Marjorie D. Clary 1930-4-25 s.n. Riverside Coachella Valley about sea level Comment
  RSA0124126  Horsfordia alata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8735 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
  SBBG72802  Horsfordia alata M. D. Clary -Apr-1930 1246 Riverside 12 mi SW of Coachella Comment
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  RSA507957  Hulsea vestita subsp. callicarpha Steve Boyd, Carol Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2275 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  CAS-BOT-BC312595  Hulsea vestita subsp. callicarpha Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-17 299 Riverside Strawberry Firebreak, so. of end of Marion Ridge Rd., Pine Cove, San Jacinto Mts. 2133 Comment
  UCR120858  Hymenoclea salsola 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
  UC65036  Hypericum anagalloides H. M. Hall 1897-6-16 659 Riverside San Jacinto Mt. Comment
  RSA115037  Hyptis emoryi E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20977 Riverside Material Collected on Hwy 74, 15.5 mi NE from PinyonFlat F.S. Campground on road to Palm Springs. 701 Comment
  UCD124928  Hyptis emoryi G. L. Webster; R. Hildreth 1966-12-9 7458 Riverside Joshua Tree National Monument. 0.3 mi NW Cholla Gardens. 853 Comment
  UCSB5686  Hyptis emoryi Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center on Highway 60 & 70. Comment
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Nov 23 2014
  UCSB45914  Isocoma acradenia Clarke, Oscar 1969-11-10 Riverside Near Whitewater on Hwy. 111, 2 miles southeast of the point where it merges into Interstate Hwy. 10 at Verbenia Ave. Comment
  RSA22388  Isocoma acradenia var. eremophila L. S. Rose 1936-12-18 36788 Riverside Desert wash, Palm Springs. Comment
  RSA717624  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment 2006-3-29 11277 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA638870  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR89246  Isocoma menziesii var. vernonioides Scott D. White 1995-9-22 3682 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  CSUSB721  Isomeris arborea David M. Peterson 1966-2-20 660220 12 Riverside 8 miles northeast of Mecca in Box Canyon, on Mecca-to-Joshua Tree National Monument Road. 170 Comment
  UC1463089  Isomeris arborea Arthur S. Barclay and Juan Arguelles 1965-3-4 1797 Riverside 4 mi n State Highway 79 junction with State Highway 71 (along State Highway 79) Comment
  UC667308  Isomeris arborea Annie M. Alexander and Louise Kellogg 1941-5-23 2227 Riverside wall of canyon just below Cottonwood Spring; Colorado Desert, Eagle Mountains 883 Comment
  SD247330  Iva axillaris Andy Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, 0.4 kilometer southwest (210 degrees) of intersection of Riverside Drive and Collier Avenue. 384 Comment
  UCR136159  Iva axillaris A. C. Sanders 2004-6-20 28213 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  SD234824  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 5 647 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar Corydon Road at Union Street (Wildomar 7.5'Q) 394 Comment
  UC987813  Ivesia saxosa Reid Moran 1941-5-5 846 Riverside e of Quail Spring; Joshua Tree National Monument 1300 Comment
  JEPS15904  Jepsonia parryi H. M. Hall 1896-12-12 345 Riverside Winchester Comment
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Mar 20 2011
  UCR127543  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SEINET1909591  Juglans californica A. C. Sanders 2004-1 28395 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd. and 1 mi N of Bundy Canyon Rd, ca. 5 miles due south of Sun City 469 Comment
  SD237479  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  UCR280962  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 03 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  RSA790106  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 -126 Riverside Santa Ana Canyon, end of Green River Rd. near entrance to Green River Golf Course. 125 Comment
  UCR101655  Juglans nigra A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22231 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  UCR92279  Juncus balticus Scott D. White, S. Ogg 1994-10-17 2482 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 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
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UC842319  Juncus bufonius P. A. Munz 1922-4-29 5063 Riverside 0.5 mi s Lake Elsinore Comment
  UCR174460  Juncus bufonius var. congestus A. C. Sanders, John F. Green 2006-5-18 32376 Riverside Peninsular Range, French Valley, NE of Murrieta Hot Springs, east shoulder of Winchester Rd. (Hwy 79) just south of Benton Rd. (+- at old Benton Rd.), 0.3 mi. ESE of Adobe Spring 407 Comment
  RSA500554  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3594 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA741016  Juncus effusus Scott D. White, Justin M. Wood 2008-6-18 12233 Riverside K Flat Meadow. 1433 Comment
  JOTR35513  Juncus mexicanus La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3200 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA768247  Juncus mexicanus Justin M. Wood 2010-5-19 1845 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UCR24954  Juncus oxymeris A. C. Sanders 1980-7-22 1734 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  RSA543621  Juncus tiehmii Steve Boyd 1991-5-7 6156 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UC1495750  Juncus tiehmii Barbara Ertter and Jeffrey L. Strachan 1980-5-21 3481 Riverside ca 2 mi s Hwy. 74 (Pines to Palms Hwy.) (Santa Rosa Mtn rd (Forest Rd 7S02)) 1584 Comment
  UCR80516  Juncus xiphioides A. C. Sanders, O. F. Clarke 1991-6-10 11136 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA0123105  Juniperus californica Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9012 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA33651  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  HSC99794  Justicia californica J. J. Wagoner 1965-4-13 33 Riverside E slope of San Jacinto along Palms to Pines Hwy., 2 mi. W of Palm Desert. 76 Comment
  LA202780  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs 121 Comment
  POM182075  Justicia californica P. A. Munz 1932-3-14 11971 Riverside Palm Springs. 91 Comment
  RSA304957  Justicia californica S. Carlquist 1982-4-18 15672 Riverside 2.2 miles north of entrance (from highway 10) to Joshua Tree National Monument. Comment
  RSA682846  Justicia californica Scott D. White 2003-3-23 8839 Riverside Hwy 74 near Carrizo Creek crossing. 610 Comment
  SEINET10437711 Image available Justicia californica J. R. Haller 1960-4-2 1552 Riverside North side of US Highway 60-70, 1.7 miles west of the south entrance road to Joshua Tree National Monument, about 22 miles east of Indio 488 Comment
  SFV8413  Justicia californica G. L. Webster, W. R. Hildreth 1966-12-10 7461 Riverside Mojave Desert Joshua Tree National Monument, upper part of Cottonwood Canyon, gravelly desert wash. 793 Comment
  UC56670  Justicia californica F. Gilman 1902-1 29 Riverside Palm Springs Comment
  UCR245069  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
  UCD39067  Keckiella antirrhinoides Beecher Crampton 1963-5-7 6785 Riverside Western. 2 miles W of Lakeland Village, Elsinore Mountains. Cleveland National Forest. 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
  RSA594038  Keckiella antirrhinoides var. antirrhinoides D. L. Banks, Elizabeth Hedge Banks 1996-5-2 931 -A Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  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
  SD229285  Keckiella ternata var. ternata Dick Schwenkmeyer 2012-4-18 704 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR92082  Kochia scoparia Scott D. White, S. Ogg 1994-10-17 2474 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  UC149782  Koeleria macrantha H. M. Hall 1902-4-26 2976 Riverside vicinity of Riverside Box Spr. Mt. 685 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
  JOTR32603  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2668 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 Comment
  JOTR36083  Krameria erecta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3311 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  SFV17345  Krameria erecta J. D. Dilley, J. N. Hogue (109.7) 1998-4-24 280 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  UC1280880  Krameria erecta H. E. McMinn 1935-6-27 4062 Riverside Palms to Pines Highway Comment
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Jul 30 2009
  UCD166268  Krameria erecta Jack Major 1962-4-17 784 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 900 Comment
  RSA408603  Krameria grayi Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  UCR178534  Krameria grayi R. G. Swinney 1967-5-26 143 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  SDSU13575  Lactuca serriola W. Miller 1972-8-9 Riverside Comment
  CAS-BOT-BC340718  Laennecia coulteri H. M. Hall; L. A. Greata 1905-4-1 5941 Riverside Paloverde [Palo Verde] Valley Comment
  RSA524610  Lamarckia aurea Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3933 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  POM320423  Lamarckia aurea David Wheat 1968-5-16 134 Riverside 4.4 miles W corner Washington Ave-Guava Street, Murietta in Rancho California 427 Comment
  RSA179516  Lamarckia aurea E. W. Lathrop 1964-5-10 5364 Riverside 10 miles west of Murrieta. 610 Comment
  RSA795475  Langloisia schottii C. P. Cowan 1978-4-23 1215 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UC963824  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside ca. 2.5 mi. beyond Mission Well (near Meek Mine); Mohave Desert, Pinto Mts. 579 Comment
  RSA469611  Langloisia setosissima subsp. setosissima L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  UC111313  Langloisia setosissima subsp. setosissima S. B. Parish 1907-4-19 6123 Riverside Palm Springs w. edge Colorado desert, Palm Springs Comment
  RSA0077529  Larrea divaricata G. Wallace 1964-5-23 s.n. Riverside Anza-Borrego Desert. Comment
  IRVC28837  Larrea tridentata Mark A. Elvin 2005-4-25 4222 Riverside Coachella Valley; N of Palm Springs; N of I10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 244 Comment
  JOTR31950  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA390030  Larrea tridentata Bonnie C. Templeton 1930-4-4 1076 Riverside North of Palm Springs. Dry wash. Lower sonoran 400 Comment
  UCR52004  Larrea tridentata var. tridentata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UC218076  Lastarriaea coriacea P. A. Munz, I. M. Johnston 1922-5-19 5364 Riverside 5 mi ne of;' Murietta 457 Comment
  CAS-BOT-BC338925  Lasthenia californica C. F. Baker 1904-4-4 4087 Riverside Elsinore Comment
  SD119901  Lasthenia californica Robert McAllister 1969-4-21 343 Riverside San Jacinto Valley; from area near Avery Canyon. 490 Comment
  SEINET6083065  Lasthenia californica Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SEINET7073456  Lasthenia californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA543159  Lasthenia coronaria Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6089 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
  RSA614656  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR272450  Lasthenia coronaria Cheryl Sevilla, Sarah J. De Groot 2015-2-18 013 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  RSA450757  Lasthenia glabrata subsp. coulteri J. C. Roos 1966-3-8 s.n Riverside 1 mile N of Lakeview Comment
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May 21 2011
  RSA0009796  Lasthenia gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA198969  Lasthenia gracilis R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  UC188983  Lasthenia gracilis Lemmon 1880-5-1 1 Riverside San Gorgonio Pass Comment
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Mar 9 2011
  UCR260561  Lasthenia gracilis T. B. Salvato 2015-4-2 8104 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  RSA680520  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 -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
  RSA180432  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-5-7 5710 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA502898  Lathyrus vestitus subsp. laetiflorus Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA503412  Lathyrus vestitus subsp. laetiflorus J. D. Olmsted 1962-5-10 3641 Riverside Western Riverside County; Vernal stream bottom, Sandia Creek (the canyon followed for a while by the road from Murrietta to De Luz). ca. 1000' before dropoff; granite outcrop country. 305 Comment
  SD152861  Lathyrus vestitus var. alefeldii Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 6679 Riverside Santa Ana Mountains, San Mateo Canyon, Wilderness Aea along san Mateo Trail from junction 7S04 & 7S01upstream to southern end of potrero de la Cienega, but primarily about Tenaja Falls 395 Comment
  UC219227  Lathyrus vestitus var. vestitus P. A. Munz 1922-4-28 5050 Riverside Leach Canyon Santa Ana Mts. 609 Comment
  JEPS40045  Layia platyglossa Marjorie Clary 1934-4-23 Riverside Hemet Valley 1371 Comment
  RSA593885  Layia platyglossa Steve Boyd, David E. Bramlet 1996-4-19 8615 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR25780  Layia platyglossa John C. Roos 1952-4-13 5525 Riverside Box Springs Mtns, above Canyon Crest Heights 488 Comment
  UCSB18487  Layia platyglossa Smalley, G. 1964-5-9 Riverside State Highway 74, 4.3 miles S from Idyllwild 1371 Comment
  POM15185  Layia platyglossa subsp. campestris Mary F. Spencer 1922-4-23 1081 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  RSA212922  Layia ziegleri L. B. Ziegler 1969-5-15 s.n. Riverside Hemet Valley, south of Kenworthy Ranger Station. 1372 Comment
  RSA69836  Leersia oryzoides J. C. Roos, L. Roos 1951-10-24 5345 Riverside Outlet of Fairmount Park Lake 259 Comment
  SD137980  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 Riverside Northwest Palomar Mts,Agua Tibia Mts, Cleveland National Forest, Agua Tibia Wilderness Area, along lower Arroyo Seco, south of Dripping Springs Campground, along narrow benches where Arroyo Seco turns to the east, just west of the metasedimentary hills. 523 Comment
  UCR113899  Lepidium chalepense Mitch Provance 1998-4-13 431 Riverside City of Riverside, Vacant lot on corner of California Ave. and Monroe St. in the Arlington area of Riverside 229 Comment
  SD247378  Lepidium fremontii Andy Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range. 722 Comment
  POM126304  Lepidium lasiocarpum T. Craig 1927-4-2 59 Riverside Hidden Springs Canyon. Comment
  SBBG2528  Lepidium lasiocarpum var. lasiocarpum H. and M. Dearing 1942-1-17 4789 Riverside Cathedral City Comment
  UCR233160A  Lepidium lasiocarpum var. lasiocarpum Jim Andre, Glenn L. Clifton 2011-2-22 17451 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CAS-BOT-BC89753  Lepidium latipes A. C. Sanders 1993-5-12 14000 Riverside Hemet, southwest corner of the intersection of Florida Avenue (Highway 74) and Warren Road. 457 Comment
  CAS-BOT-BC89754  Lepidium latipes A. C. Sanders; K. C. Rose 1998-5-21 21865 Riverside Hemet. Flats west of town, east of the canal, south of Highway 74 (Florida) and ca. 0.25 mile west of Warren Road. 457 Comment
  SBBG101735  Lepidium nitidum S. Boyd with D. Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet, along upper Salt Crk drainage, N of Santa Fe Railroad tracks, W of San Diego Aqueduct; T5S, R2W, S1/2, NW1/4 of S24 Comment
  SD224896  Lepidium pinnatifidum A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18054 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets. 433 Comment
  POM48736  Lepidium virginicum var. pubescens P. A. Munz, I. M. Johnston 1924-7-29 8819 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  RSA65796  Lepidium virginicum var. pubescens F. W. Peirson 1922-5-21 3031 Riverside Along east side of Hemet Valley 1357 Comment
  POM184160  Lepidospartum squamatum M. French Gilman 1932-11-30 4 Riverside Whitewater Point. Comment
  UCR110386  Leptochloa uninervia A. C. Sanders, Mitch Provance 1999-9-26 23106 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA715096  Leptodactylon californicum Sarah J. De Groot, Elizabeth A. Kempton 2006-3-16 5211 Riverside Along Hwy 243, N slope of San Jacinto Mountains. 730 Comment
  JOTR31146  Leptodactylon pungens La Doux, Tasha 2009-6-3 1856 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCSB32959  Leptosiphon lemmonii Patterson, R.; Howald, Ann 1978-4-7 Riverside Calif. Hwy. 71, ca. 8 mi. S of junction w/ Ontario Ave. 400 Comment
  HSC85389  Leptosiphon pygmaeus Steve Boyd 1986-4-13 1688 Riverside Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  UCR92653  Lessingia glandulifera var. glandulifera F. M. Reed 1933-9-20 8076 Riverside San Jacinto Mountains, near Keen Camp 1524 Comment
  CAS-BOT-BC283714  Leymus condensatus H. M. Hall 1899-6-2 1218 Riverside In dry wash of Temecula River Comment
  RSA703626  Leymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  UCR260894  Ligustrum japonicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41526 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  CAS-BOT-BC451637  Lilaea scilloides Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  UCR40550  Lilaea scilloides R. F. Thorne 1974-5-23 44677 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Rancho California, at north base of Mesa de Colorado 610 Comment
  UC3727  Lilium parryi H. M. Hall Jun 1901 2451 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  UCR220296  Linanthus Robert J. Steers, Chris E. True, Robin G. Marushia, Sheila Kee 2005-3-3 s.n. Riverside Sonoran Desert, East Banning Pass, c. 1 mile east of the Snow Creek community (at the end of Snow Creek Dr.). at base of Mt. San Jacinto 369 Comment
  RSA468572  Linanthus androsaceus subsp. luteolus M. M. Thompson 1947-6-9 C- 2063 Riverside Los Alamos Canyon, Elsinore 762 Comment
  RSA248726  Linanthus aureus Christopher Davidson 1973-4-19 1987 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  UC1537459  Linanthus aureus Gordon H. True Jr. 1935-4-10 222 Riverside Box Springs Sycamore Canyon 365 Comment
  RSA772416  Linanthus bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4849 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
  RSA800105  Linanthus bigelovii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4768 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  JEPS58350  Linanthus dianthiflorus W. L. Jepson 1935-4-17 19144 Riverside 1.5 mi n Elsinore Comment
  RSA771116  Linanthus dianthiflorus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4923 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET7073398  Linanthus dianthiflorus A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA73087  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1922-5-20 4471 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  SEINET7096695  Linanthus lemmonii A. G. Vestal 1962-3-28 s.n. Riverside Ca 3.8 miles west of Sage on the East Benton Road Tucolota Valley. NAD27, 33? deg. 34' 34ao, -116?_ 58' 23ao (converted to WGS84 decimal degrees) UTM Zone 11 502509mE, 3714953mN Comment
  UCR161031  Linanthus lemmonii D. E. Bramlet 1991-5-1 2103 Riverside Wilson Valley 671 Comment
  RSA554130  Linanthus maculatus George K. Helmkamp 1992-4-11 92 -3 Riverside Whitewater River Wash, 0.4 miles N of pumping station and 150 yards E of road (ca. 1/2 way between Bonnie Bell and station) 550 Comment
  RSA497946  Linum lewisii Albert J. Perkins 1916-9-15 s.n. Riverside Near summit of Taquitz Mt. Comment
  UCSB3558  Linum lewisii Lauter, Wolfgang 1960-5-15 Riverside 5.7 miles north of Idyllwild on Calif. highway 74 Comment
  UCR230919  Linum usitatissimum T. B. Salvato 1999-5-5 070 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR91978  Linum usitatissimum S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  UCR193292  Lithophragma affine A. C. Sanders, Tim Thomas 2008-6-20 35541 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA180296  Lithophragma affine subsp. mixtum E. W. Lathrop 1965-4-4 5619 Riverside 8 miles west of Murrieta. Comment
  RSA495423  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2949 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR67360  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3994 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  CSUSB536  Lobularia maritima H. C. Sharma 1976-4-26 760426 3 Riverside Washington Street, about 3 miles south of Washington Street on the side of Mocking Bird Canyon 335 Comment
  CLARK-A1528-2455  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside 487 Comment
  RSA700026  Loeflingia squarrosa Scott D. White, Michael Honer 2003-4-25 9099 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR183006  Loeflingia squarrosa Mitch Provance 2003-5-5 4403 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM8008  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-2 3569 Riverside Ford's well, west of Blythe. 305 Comment
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Dec 13 2016
  RSA172223  Loeseliastrum schottii R. F. Thorne 1963-3-29 32387 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SBBG63175  Logfia depressa M. N. Ackley 1928-3-25 223 Riverside between Indio and Palm Springs 60 Comment
  RSA0121171  Logfia filaginoides Duncan S. Bell, LeRoy Gross 2016-3-30 9179 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SEINET10893749  Lolium rigidum Walter Graves 2002-5-15 Graves 502 -26 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields Riverside East 7.5' Q. 305 Comment
  RSA278502  Lomatium dissectum var. multifidum John F. Emmel 1977-6-9 s.n. Riverside Thomas Mountain road, 4800 ca. 1/2 road mile E of Spillway Canyon. 1463 Comment
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Feb 7 2014
  UCR4539  Lomatium lucidum John Dean 1965-5-26 s.n. Riverside Peninsular Range, Vail Ranch, l mi SE of Santa Margarita River on Calif. Hwy 71 306 Comment
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  SEINET7073338  Lomatium utriculatum 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
  POM3169  Lomatium vaginatum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near shore of L. Elsinore. Comment
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Jul 8 2009
  HSC79578  Lonicera subspicata var. denudata James Henrickson 1972-5-21 7194 Riverside 13 air mi. W of Temecula in Mateo Canyon along Teneja Rd., ca. 4 mi. N of Teneja Campground. 457 Comment
  RSA406724  Lotus argophyllus subsp. argophyllus B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1481 Riverside Murray Canyon, Palm Springs 457 Comment
  SEINET7073452  Lotus argophyllus var. argenteus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  SEINET5558029  Lotus argophyllus var. argophyllus H. S. Gentry 1957-1 16385 Riverside Dripping Springs. 731 Comment
  UCSC000380  Lotus crassifolius I. J. Condit 2010-6-22 s.n. Riverside along stream San Jacinto Mts. 2591 Comment
  RSA525243  Lotus hamatus Steve Boyd, T. S. Ross 1990-5-11 4620 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 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
  RSA406728  Lotus nevadensis var. nevadensis N. C. Cooper 1944-6-16 1445 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA406220  Lotus oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  LA37967  Lotus oblongifolius var. oblongifolius Carl Epling; Harlan Lewis 1942-5-2 sn Riverside Mouth of Andreas Canyon, near Palm Springs Comment
  JOTR31880  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  SEINET3563111 Image available Lotus rigidus Melissa Luckow, Rhonda Riggins 1982-4-15 821 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  UCR251298  Lotus salsuginosus T. B. Salvato 2013-3-27 7432 Riverside Temescal Valley, Corona, c. 1 mi southeast of Corona (Lee) Lake and 0.2 mi south of Hwy 15, between De Palma Road and Colt Drive, west side of Horsethief Canyon Road 396 Comment
  RSA722993  Lotus scoparius M. Wall 2007-6-26 432 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  UCR140692  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-11 27848 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR176912  Lotus scoparius subsp. brevialatus Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  RSA406899  Lotus scoparius var. brevialatus M. B. Dunkle 1932-3-25 2879 Riverside Cabezon. Comment
  SEINET222319 Image available Lotus scoparius var. brevialatus B. Ertter, J. Strachan 1979-6-26 2983 Riverside Highway 243 near Idyllwild San Jacinto Mts. Comment
  CSUSB1247  Lotus strigosus Margaret Ferro 1970-5-10 15 Riverside Highway 60 to San Jacinto turnoff; 4 miles, then 0.25 mile off east side of road, in wash. 457 Comment
  UCR154744  Lotus strigosus T. B. Salvato, Kent Beaman 2005-5-16 785 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
  RSA406327  Lotus strigosus var. strigosus N. C. Cooper 1945-3-25 s.n. Riverside Cottonwood Creek near Aguanga, San Diego & Riverside. Comment
  RSA680919  Lotus strigosus var. tomentellus Scott D. White, Michael Honer 2003-5-14 9274 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA49387  Lotus tomentellus P. A. Munz 1949-4-12 13025 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  RSA560357  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6915 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA388393  Lotus unifoliolatus R. F. Thorne, S. D. Boyd, E. W. Lathrop 1985-7-18 61205 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Nov 13 2015
  RSA670676  Lotus wrangelianus B. C. Templeton, I. W. Clokey 1930-4-9 1026 Riverside North of Banning 457 Comment
  CLARK-A1528-2653  Ludwigia peploides Robert A. Hawthorne 1957-5-1 Riverside Fairmont Park 243 Comment
  RSA590647  Lupinus agardhianus E. W. Lathrop 1960-5-6 4788 Riverside 10 miles west of Murrieta. Comment
  POM126308  Lupinus arizonicus Thos. Craig 1927-4-2 39 Riverside Canyon near Hidden Springs. Comment
  SBBG69025  Lupinus arizonicus M. N. Ackley -Mar-1928 533 Riverside near Edom 64 Comment
  SEINET10837901  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6471 Riverside Rice valley, 5.1 miles ssw of rice. T2s,r20e,sec.9. Locally common in sandy Gullies. Petals purple, the banner with yellow or red spots 274 Comment
  UCR166163  Lupinus bicolor 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
  RSA495788  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2887 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  HSC87134  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2117 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  SEINET3101907  Lupinus concinnus Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17377 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  RSA395898  Lupinus densiflorus var. lacteus Steve D. Boyd 1986-4-22 1763 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  CLARK-A1528-497  Lupinus excubitus Fred B. Essig 1964-4-25 26 Riverside Elsinore Comment
  SBBG94915  Lupinus excubitus E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of Pechanga Indian Reservation 365 Comment
  UC597721  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  SD152850  Lupinus excubitus var. hallii Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-26 6703 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon from Fisherman's Camp downstream to the confluence with Bluewater Canyon, benches at confluence with Bluewater Canyon 305 Comment
  RSA171372  Lupinus formosus J. D. Olmsted 1962-5-3 3541 Riverside Along road from Santa Rosa Indian Reservation to Old village, West of Santa Rosa Peak 1494 Comment
  SEINET8042171  Lupinus formosus E. A. Zumbro 399 Riverside Jan Jacinto Mt. Comment
  RSA586132  Lupinus hirsutissimus D. L. Banks 1995-4-11 0175 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 950 Comment
  SD63731  Lupinus hyacinthinus Peta Mudie 1965-7-5 498 Riverside SW slope on north side of Santa Rosa Mountain above National Forest Campground 2000 Comment
  UCR174247  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2006-6-2 33071 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  POM23584  Lupinus microcarpus var. densiflorus Marcus E. Jones 1903-4-11 s.n. Riverside Banning. 701 Comment
  UC129482  Lupinus shockleyi H. M. Hall Apr. 1905 5762 Riverside Palm Springs; Colorado Desert, Palm Springs 152 Comment
  RSA414278  Lupinus sparsiflorus Christopher Davidson 1973-4-1 1791 Riverside St. Hwy 71/79, appx 7 miles E of jct with Hwy 395 south. 412 Comment
  UCD109470  Lupinus sparsiflorus Rimo Bacigalupi; L. Heckard 1962-3-25 8408 Riverside lower slopes of Estelle Mountain, along state highway 71, near junction of road to Warm Springs Valley. 335 Comment
  UCR137689  Lupinus sparsiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1486 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
  RSA414274  Lupinus sparsiflorus subsp. sparsiflorus Ora M. Clark 1929-2-23 1524 Riverside North Whitewater. Comment
  UCR60537  Lupinus succulentus C. W. Tilforth, W. Wisura 1979-4-11 1788 Riverside hills at south side of Lake Skinner, east of Murrieta 427 Comment
  CAS-BOT-BC231417  Lycium andersonii D. E. Breedlove 1962-3-11 1891 Riverside On State 74, 3.7 miles south-west of Palm Desert 335 Comment
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  UCR216213  Lycium andersonii Jim Andre, T. La Doux 2009-2-25 10825 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  CAS-BOT-BC231480  Lycium brevipes var. brevipes Peter H. Raven 1958-1-24 11467 Riverside Cottonwood Springs, Joshua Tree National Monument 914 Comment
  RSA428584  Lycium brevipes var. brevipes Louis C. Wheeler 1931-11-26 384 Riverside 1/4 mi. SW Salton BM. Sea level. Comment
  RSA535484  Lythrum californicum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6632 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  RSA289949  Maianthemum racemosum subsp. amplexicaule Carl V. Meyer 1928-7-26 540 Riverside Deer Springs. 8700 ft. 2652 Comment
  POM362257  Malacothrix californica N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  POM14253  Malacothrix coulteri P. A. Munz 1922-4-9 4813 Riverside Hayfields, Chuckwalla Valley 152 Comment
  UC565507  Malacothrix glabrata H. L. Mason 1928-3-10 4181 Riverside Whitewater River Comment
  UCR227695  Malacothrix glabrata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 111 Riverside Colorado Desert; Northeastern Colorado Desert region, Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UCR261180  Malacothrix glabrata A. C. Sanders, Katie Young, John Hale 2015-4-22 41608 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  RSA715943  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC1922057  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  SEINET3133431  Malvella leprosa M. A. King sn Riverside Menifee Comment
  UCR59719  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  CAS-BOT-BC56808  Mammillaria tetrancistra Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET272334  Marah macrocarpa A. C. Sanders, G Waines; Et Al 1997-3-12 19909 Riverside Lake Skinner Area; upper Rawson Canyon 2.5mi NNE of Skinner Lake 1 mi SW of Crown Valley 595 Comment
  UCR91375  Marah macrocarpa Scott D. White 1995-4-5 2713 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA498352  Marina parryi Robert M. Perkins, H. de Forest 1937-3-15 378 Riverside Rice to Desert Center. 122 Comment
  SD125954  Marina parryi B. Pitzer 1988-3-10 646 Riverside West side of Chuckwalla Mountains, on gas line road, ca., 1.5 mile north of intersection with Red Cloud Mine Road. 487 Comment
  SD46420  Marina parryi P. C. Everett, E. K. Balls 1956-5-2 21554 Riverside 4.0 miles north from turn-off Highway 60/70, west of Desert Center, on road to Eagle Mountain Pumping Station. 305 Comment
  RSA736384  Matricaria globifera Scott D. White, Justin M. Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 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
  RSA552749  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  RSA717836  Meconella denticulata T. Tennant, Mitch Provance 1998-6-25 MOR- 1060 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SD152791  Meconella denticulata Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon, along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  RSA617162  Medicago polymorpha Scott D. White, M. Jacobsmeyer 1996-4-20 3962 Riverside Perris area: Just S of Perris Airport, SE of Goetz Rd. / Mapes Rd. intersection, N of San Jacinto River channel 430 Comment
  UCR126368  Medicago polymorpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 676 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SDSU17522  Melica frutescens Jerry Jenkins 2001 -035 Riverside Santa Margarita Ecological Reserve. West shore of S.M. river, on granite bluffs. UTM zone 6, 481900E, 3699850N. UTM transfered to GIS. 165 Comment
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Aug 11 2017
  RSA683856  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8943 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SEINET7073348  Melica imperfecta A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UC149807  Melica imperfecta H. M. Hall 1902-4-26 2974 Riverside vicinity Riverside (Box Springs Mt.); Box Springs Mt. 685 Comment
  UC736843  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UCR165425  Melica imperfecta A. C. Sanders 2005-4-21 29582 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  CSUSB1308  Melilotus indicus Bob Sullivan 1966-3-26 Riverside UCR campus in Riverside, behind the life science building. 228 Comment
  RSA244817  Melilotus indicus E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek. About 20 miles south of Hemet. 915 Comment
  UCR107766  Mentha D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  RSA10092  Mentha canadensis F. M. Reed 1903-8-29 308 Riverside River bottom near Chinatown Ford Comment
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Sep 5 2011
  RSA621507  Mentha suaveolens D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  POM126805  Mentzelia affinis E. E. Schellenger 1911-4-24 s.n. Riverside South of Palm Springs, Colorado Desert, Riverside County Comment
  UCR17931  Mentzelia albicaulis A. C. Sanders 1976-4-20 00418 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  RSA440389  Mentzelia desertorum E. C. Jaeger 1922-3-29 746 Riverside Box Canon, near Mecca, Colorado Desert 91 Comment
  SD186252  Mentzelia desertorum Theo Glenn 1991-5-8 91 85 Riverside Big Maria Mtns., north of Blythe. 377 Comment
  UCSB4238  Mentzelia desertorum Krogen, Roger 1957-1 Riverside 7 mi. E of Mecca on HWY 195, Box Canyon Wash Comment
  UC489134  Mentzelia dispersa C. V. Meyer June 1927 192 Riverside San Jacinto Mts. Saunder's Meadow 1615 Comment
  RSA440413  Mentzelia involucrata L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  UCR16331  Mentzelia involucrata Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Hwy 195, 3 km north of Painted Canyon Road Comment
  UCR68714  Mentzelia involucrata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4567 Riverside Agua Tibia Mtns., Vail Lake area, steep SE flank of Oak Mountain, above NE end of lake. 549 Comment
  RSA0021559  Mentzelia jonesii Duncan S. Bell, Aaron Sims 2012-3-10 2046 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  SD3177  Mentzelia laevicaulis Fidella g. Woodcock 1928-4-27 Riverside San Jacinto Creek. Comment
  SD249696  Mentzelia longiloba J. M. Andre 2013-3-27 24811 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA768121  Mentzelia micrantha E. W. Lathrop 1973-6-28 7447 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak. Cleveland National Forest Comment
  UCR241675  Mercurialis annua O. F. Clarke 2010-4-28 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  SBBG101673  Micropus californicus S. Boyd with Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  UCR225594  Microseris douglasii A. C. Sanders, T. B. Salvato 2011-3-29 38867 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  RSA359525  Microseris douglasii subsp. platycarpha Steve Boyd 1986-3-9 1387 Riverside Temescal Canyon: Alberhill Mt., south slope just east of claymine area 427 Comment
  SD186343  Mimetanthe pilosa Andy C. Sanders 2005-6-15 31005 Riverside Sage-Aquanga Region: 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Road, 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 640 Comment
  RSA442704  Mimulus aurantiacus var. puniceus E. S. Spalding 1925-6-11 s.n. Riverside Between Elsinore and Temecula. Comment
  RSA442708  Mimulus aurantiacus var. puniceus N. C. Cooper 1947-4-5 2030 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SDSU13593  Mimulus aurantiacus var. puniceus W. Miller, C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  UCR133632  Mimulus aurantiacus var. puniceus I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4728 Riverside Gavilan Hills, Perris to Gavilan Peak 600 Comment
  UCR149849  Mimulus aurantiacus var. puniceus Scott D. White, Michael Honer 2004-4-6 10043 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR91220  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-31 3855 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  JEPS86903  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 824 Riverside 7.3 mi from I-10 interchange (along Box Canyon road to Mecca, n side of road about 100 yards above the road); Shavers Well vicinity 280 Comment
  UCSB44893  Mimulus bigelovii var. bigelovii Collins, Elizabeth 1977-3-29 Riverside Corn Springs Campground; 8 miles south of Hwy. 10 457 Comment
  CLARK-A1528-4248  Mimulus fremontii John C. Roos 1948-6-19 3883 Riverside San Jacinto Mountains Comment
  SEINET4095837  Mimulus fremontii C. Davidson 1975-1 2808 Riverside 5.4 miles north of alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  UCR162768  Mimulus fremontii S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  CLARK-A1528-4252  Mimulus guttatus Art Whistler 1966-4-24 2 Riverside Deep Canyon Comment
  JEPS9853  Mimulus pilosus Carl V. Meyer 1928-7-26 525 Riverside Hannah's Sawmill San Jacinto Mountains (1/2 mi e of Dutch Flat) Comment
  JOTR16849  Mimulus pilosus Moore, Sue 1968-6-19 s.n. Riverside Joshua Tree National Park. BARKER DAM 1280 Comment
  UCR151097  Mimulus pilosus Scott D. White, Julie Greene 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR75061  Mirabilis bigelovii A. C. Sanders, E. J. Lawlor 1992-4-4 12126 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR22031  Mirabilis californica Steve Boyd 1980-5-11 234 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
  JEPS26558  Mirabilis laevis var. crassifolia Peter Kamb 1948-4-11 902 Riverside Whitewater Wash near Whitewater 457 Comment
  POM293184  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12022 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  UCR272255  Mirabilis laevis var. crassifolia Duncan S. Bell, Amanda Turek 2009-3-30 170 Riverside Mojave Desert, southeast section of the Arica Mountains, c. 1.25 air miles southwest of Priest Well 349 Comment
  RSA701029  Mirabilis laevis var. glutinosa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA0121210  Mirabilis laevis var. retrorsa Duncan S. Bell, LeRoy Gross 2016-3-8 8822 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA464620  Mirabilis multiflora var. pubescens E. A. McGregor 1963-11-6 s.n. Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  RSA0035939  Mirabilis tenuiloba Deidre Conocchioli, Duncan S. Bell 2014-3-4 149 Riverside 1.3 miles down dirt BLM road from paved 58th Avenue; 4WD road south of Lake Cahuila and La Quinta. Just northeast of mouth of Devil Canyon, east side of Santa Rosa Mountains, west edge of Coachella Valley 37 Comment
  RSA408772  Mohavea confertiflora Robert M. Perkins, H. de Forest 1937-3-15 374 Riverside N. of Blythe, along Co. Riverside. Comment
  RSA517244  Mohavea confertiflora Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1335 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA726522  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1399 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SBBG7038  Mohavea confertiflora H. and M. Dearing 1942-3-9 4829 Riverside Eagle Cyn near Palm Springs Comment
  UC310590  Mohavea confertiflora Philip A. Munz 1926-1-31 9961 Riverside Colorado Desert, Dos Palmos Spring Dos Palmos Spring; Colorado Desert, Dos Palmos Spring Comment
  LA62611  Monardella australis subsp. australis Elizabeth McClintock; 1939-7-10 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  CAS-BOT-BC220032  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 s.n. Riverside Jarupa [Jurupa] Hills Comment
  POM48931  Monardella lanceolata var. lanceolata P. A. Munz, I. M. Johnston 1924-7-26 8716 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  LA96069  Monardella linoides subsp. linoides Elizabeth McClintock; 1941-5-31 40 Riverside 1.5 to 2 mi from turn off to Anza Mounument, on rd to Coyote Canyon Comment
  LA57196  Monardella nana Philip A. Munz; 1937-5-31 15114 Riverside at Anza tablet, head of Coyote Canyon, S.W. of Riverside county Comment
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Mar 11 2014
  LA96102  Monardella nana Elizabeth McClintock; 1941-7-18 121 Riverside San Jacinto Mountains, after the beginning of the chinquipin Comment
  SDSU7373  Monardella nana R. Harvin 1962-7-28 37 Riverside 2286 Comment
  POM259109  Monardella nana subsp. arida P. A. Munz 1938-8-14 15365 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  RSA651652  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  SEINET10582422  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 60 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  POM229026  Monardella nana subsp. tenuiflora P. A. Munz 1937-5-31 15114 Riverside Head of Coyote canyon 1067 Comment
  RSA750281  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-9 87 Riverside San Jacinto Mts. Trail to Suicide Rock, about 3 miles from Fern Valley. Comment
  RSA750306  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside San Jacinto Mts. Trail to Hidden Lake, about 1 mile beyond the cienega. Comment
  UCR20635  Monardella nana subsp. tenuiflora W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, Black Mtn. Road 2073 Comment
  RSA11599  Monardella robisonii C. Epling, Wm. Robinson 1933-6-26 s.n. Riverside Little San Bernardino Mountains. Key s View. 1524 Comment
  UCR121823  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24605 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  POM363582  Monoptilon bellioides Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  UCR148469  Monoptilon bellioides S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR167251  Monoptilon bellioides 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
  UCR174308  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32651 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
  SBBG59563  Muhlenbergia richardsonis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  UCR162285  Muilla maritima S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SBBG238  Myriopteris covillei H. and M. Dearing 1941-3-5 4809 Riverside Andreas Cyn Comment
  HSC28433  Nama demissa Richard Spjut 1973-4-5 3264 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  SEINET3091487 Image available Nama demissa Norman C. Cooper 1949-4-8 3299 Riverside Desert Center, Desert Center. Comment
  UC702046  Nama demissa var. demissa Harlan Lewis 1946-4-21 105 Riverside Whitewater Canyon Comment
  RSA19236  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  RSA0019794  Nama hispida var. spathulata April Garbat, Sarah J. De Groot 2013-4-30 57 Riverside Ford Dry Lake, N of I-10 122 Comment
  RSA0043146  Nama hispida var. spathulata Aaron C. Sedgwick, David Fraker 2012-4-24 6 Riverside Hwy 177 north from Desert Center. West side of the road. 183 Comment
  UCR217638  Nama stenocarpa Jeff B. Galvin 2010-5-4 124 Riverside Perris-Aguanga Basin, Mystic Lake. 350 m west of Gilman Springs Road and 1.8 km north of Bridge Street 426 Comment
  UCD88096  Nassella cernua Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Riverside. South Banning, road to Palm Springs. Comment
  RSA522084  Nassella lepida Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3750 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  UCR189559  Navarretia fossalis Diane Menuz 2006-5-9 077 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  UCR70678  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 100 m north of end of 13th St.; about 8 m east of the river in a swale adjacent to the levee 473 Comment
  UC1483308  Navarretia prostrata Robert F. Thorne 1974-5-23 44667 Riverside top of Mesa de Colorado Santa Rosa Plateau, Rancho California, Mesa de Colorado 624 Comment
  RSA0026115  Nemacaulis denudata var. gracilis Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA777633  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 770 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA0014941  Nemacladus longiflorus var. longiflorus LeRoy Gross, Evan Meyer 2013-5-21 6118 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  POM178629  Nemacladus orientalis Marcus E. Jones 1930-4-2 26444 Riverside Hayfields Comment
  POM97114  Nemacladus ramosissimus P. A. Munz 1925-5-20 9840 Riverside 2 miles W of Dripping Spring. 427 Comment
  CLARK-A1045-140  Nemacladus rubescens George K. Helmkamp 1978-4-25 Riverside Deep Canyon rocky terrace; Palm Desert 15'Q Comment
  NY547192  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mt., Colorado Desert 150 Comment
  UCR279599  Nemacladus tenuis var. aliformis A. C. Sanders, Jim Malusa 2017-3-28 43138 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
  RSA522735  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3841 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
  UCR116966  Nemophila menziesii A. C. Sanders, T. B. Salvato 2001-5-3 24091 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 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
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  CHSC64673  Nicotiana obtusifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 20 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along wash. 380 Comment
  JOTR30058  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  OBI2986  Nicotiana obtusifolia Lewis S. Rose 1967-12-19 67182 Riverside La Quinta 15 Comment
  RSA614565  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside 3.2 mi. N of jct of Thousand Palms Canyon Rd and Dillon Rd. 457 Comment
  UC884674  Nicotiana obtusifolia C. L. Hitchcock 1940-3-31 5889 Riverside between Cottonwood Spring Pinto Basin Comment
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  UCSB41768  Nicotiana obtusifolia Sense, Nancy 1976-4-13 Riverside Shaver's Wells, Box Canyon, Box Canyon Road from I-10 to Mecca Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  GMDRC5194  Nolina bigelovii Mike Heaney 2010-5-23 1119 Riverside Old Woman Mountains: northern end of range in canyon just south and east of Enterprise Mine 1077 Comment
  OBI7134  Nymphaea alba Pam Wolf 1976-5-29 197 Riverside Pond at Fairmont Park 457 Comment
  POM3327  Oenanthe sarmentosa D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
  POM355283  Oenothera californica D. A. Young 1969-3-28 P- 330 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  RSA33826  Oenothera californica subsp. californica N. C. Cooper 1944-5-19 1246 Riverside Banning. 701 Comment
  POM355308  Oenothera deltoides subsp. deltoides Douglas Bothwell 1934-3-31 s.n. Riverside Valle Vista, Hemet. Base of San Jacinto Mtns Comment
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Mar 27 2011
  POM355582  Oenothera deltoides subsp. deltoides E. C. Jaeger 1922-4-5 721 Riverside Desert Center, Chuckwalla Valley. 366 Comment
  POM67095  Oenothera deltoides subsp. deltoides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UC665751  Oenothera deltoides subsp. deltoides Ira L. Wiggins 1941-3-26 9660 Riverside along wash Wiley Well Comment
  UC1080340  Oenothera elata subsp. hirsutissima E. K. Balls and P. C. Everett 1957-11-4 22746 Riverside about Old Fish Hatchery; n. base San Jacinto Mts., Snow Creek 701 Comment
  UC1234729  Oenothera elata subsp. hirsutissima David P. Gregory 1971-7-16 473 Riverside ca. 1 mi down a side rd to se leaving Hwy 395 ca 4 mi s of Temecula Comment
  RSA784726  Oligomeris linifolia Duncan S. Bell 2012-3-18 3213 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SD143540  Oligomeris linifolia R. D. Goeden, D. W. Ricker 1979-3-29 Riverside Coachella Valley: Indio, Monroa St. -6 Comment
  UC634680  Oligomeris linifolia Margaret Stason 1927-2-12 Riverside Thousand Palms Canyon; Colorado Desert, Thousand Palms Canyon Comment
  UCD116471  Oligomeris linifolia Collector Unknown 1939-3-21 s.n. Riverside Apr. Ext. Service, Riverside. Comment
  UCD108102  Olneya tesota G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
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Jun 15 2013
  POM348472  Olneya tesota Anstruther Davidson 1928-5-31 s.n. Riverside Near Stavers Mill. [sic] [Shavers Well?] Comment
  RSA0055051  Olneya tesota James R. Shevock 1971-5-8 1026 Riverside Box Cyn. 91 Comment
  CDA7119  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinton Keith Road. Comment
  CLARK-A1528-2361  Opuntia basilaris John C. Roos 1937-4-18 Riverside Snow Creek Comment
  UCR167374  Opuntia basilaris 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
  UCR177990  Opuntia littoralis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  RSA285344B  Opuntia phaeacantha Lyman Benson 1955-12-6 15624 Riverside 3 miles east of Cabazon.US 99. Colorado Desert. 457 Comment
  RSA439548  Opuntia ramosissima B. C. Templeton 1965-04 10526 Riverside Joshua Tree. Comment
  CAS-BOT-BC355576  Oreostemma alpigenum var. andersonii P. A. Munz 1922-7-6 5997 Riverside San Jacinto Mts. Tahquitz Valley 2194 Comment
  SBBG60650  Oreostemma alpigenum var. andersonii R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  UC489212  Oreostemma alpigenum var. andersonii C. V. Meyer 1928-7-31 600 Riverside Tahquitz Valley , San Jacinto Mts. 2286 Comment
  UCR89765  Orobanche bulbosa Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3327 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
  UCR1619  Orobanche californica subsp. feudgei R. G. Barber 1962-5-20 140 Riverside San Jacinto Mtns, Bautista Canyon Road, [vicinity of Tripp Flats] c. 2 mi. east of the summit, 7 mi. from Anza 1220 Comment
  JEPS12904  Orobanche cooperi P. A. Munz, D. Keck 1922-4-13 4960 Riverside Colorado Desert, s base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 213 Comment
  SBBG68733  Orobanche cooperi L. Rowntree 1930-5-8 Riverside Mecca Comment
  SBBG7247  Orobanche cooperi H. and M. Dearing 1937-4-10 1121 Riverside 10 mi N of Indio Comment
  UC887970  Orobanche cooperi C. L. Hitchcock 1940-4-4 5940 Riverside Pinto Basin Comment
  CAS-BOT-BC502862  Orobanche cooperi subsp. cooperi Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC500138  Orobanche fasciculata S. B. Parish; W. F. Parish 1881-8-1 488 Riverside San Jacinto Mt. Comment
  JEPS14207  Osmorhiza berteroi Carl V. Meyer June, 1927 186 Riverside Saunders Meadow San Jacinto Mountains 1676 Comment
  RSA458998  Osmorhiza berteroi Anstruther Davidson 1876-7-7 s.n. Riverside San Jacinto. 2896 Comment
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Oct 21 2010
  RSA614422  Oxalis pes-caprae D. L. Banks 1997-3-29 1555 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, at San Gabriel Church along Pechanga Road, in front of the cemetery 378 Comment
  UCR241923  Oxalis pes-caprae A. C. Sanders, Timothy W. Chumley 2013-3-28 40703 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west of Lake St. 378 Comment
  RSA279606  Oxytheca emarginata James L. Reveal, Barbara J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of Hwy 74 1829 Comment
  UCR251986  Oxytheca emarginata A. C. Sanders, T. B. Salvato 2014-7-2 41169 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR227587  Oxytheca trilobata Duncan S. Bell, Valentin Arvizu 2010-5-24 1103 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  RSA487541  Paeonia californica L. F. LaPre 1988-1-27 s.n. Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta. 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
  OBI15593  Palafoxia arida Lewis S. Rose 1959-1-8 59002 Riverside La Quinta 15 Comment
  UCR148315  Palafoxia arida John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  POM31624  Palafoxia arida var. arida Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCSB6656  Palafoxia arida var. arida Haller, John 1960-4-2 Riverside South side of U.S. highway 60-70, 5.8 miles east of Desert Center 243 Comment
  UCSB9920  Palafoxia arida var. arida Ullman, Sydney 1956-4-14 Riverside In town of Whitewater Comment
  RSA0063657  Palafoxia arida var. arida Gordon H. True 1938-3-15 976 Riverside East of Indio, near Kane Springs. 3 Comment
  RSA653216  Palafoxia linearis var. linearis John Wallace, Steve McNabb 1991-5-5 4 Riverside Colorado River. River Bend Lodge Comment
  CAS-BOT-BC540738  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot; Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  CSUSB1048  Papaver californicum Tony Beck 1968-5-4 680504 7 Riverside San Jacinto Mountains San Jacinto Mountains. 10 miles south of Banning on highway 74, in burned chaparral- Oak woodland. About 10-20 yards up hill on right side of road. 1219 Comment
  RSA0112102  Parkinsonia florida Duncan S. Bell 2009-10-9 485 Riverside Northwest of the Arica Mountains. 281 Comment
  UCD170848  Parkinsonia florida A. C. Sanders; T. B. Salvato, Mitch Provance 2000-4-25 23368 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella. 24 Comment
  RSA698046  Parosela emoryi J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  UCR43389  Paspalum distichum R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61173 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  RSA517820  Pectocarya heterocarpa Steve Boyd, Orlando Mistretta 1986-3-13 1437 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA747768  Pectocarya heterocarpa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12592 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UC1007206  Pectocarya heterocarpa Philip A. Munz 1940-3-23 15725 Riverside n end Pinto Basin; Mojave Desert 914 Comment
  UCR167378  Pectocarya heterocarpa 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
  RSA0135569  Pectocarya heterocarpa G. Rink 2013-3-20 11893 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SEINET238536  Pectocarya linearis T. B. Salvato, Mitch Provance; AC Sanders et al. 2000-4-30 65 Riverside Riverside: Box Springs Mtns. along road to radio towers from reserve parking lot. 792 Comment
  UCR167073  Pectocarya linearis Scott D. White 2005-3-29 10847 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
  UCR226063  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-4-1 38966 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
  UC50359  Pectocarya linearis subsp. ferocula H. M. Hall Apr. 1903 3725 Riverside Vicinity of Riverside; in the Sonoran Zone 365 Comment
  UCR228914  Pectocarya penicillata A. C. Sanders 2011-4-7 39029 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA49173  Pectocarya platycarpa P. A. Munz 1949-4-13 13062 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA776273  Pectocarya recurvata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-29 894 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 838 Comment
  RSA799078  Pectocarya recurvata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCR211709  Pectocarya recurvata Fred M. Roberts, Michelle Balk 2006-5-1 6326 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  UCR67351  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4062 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  POM259690  Pedicularis densiflora P. A. Munz 1940-3-17 15600 Riverside Dripping Springs Comment
  CLARK-A1528-3588  Pellaea andromedifolia John C. Roos 1937-5-2 1417 Riverside La Sierra Comment
  UCR114824  Pellaea andromedifolia Mitch Provance, Seychelle Provance 1998-2-17 88 B Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR265835  Pellaea andromedifolia Mitch Provance 2012-5-24 512- 18 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
  POM11167  Pellaea mucronata var. mucronata P. A. Munz 1922-6-27 5849 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  UC495186  Pellaea mucronata var. mucronata P. A. Munz 1932-4-24 12393 Riverside Snow Creek Canyon; San Jacinto Mts 457 Comment
  RSA771794  Pennisetum setaceum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4471 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 W116.64309 487 Comment
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Sep 9 2012
  NY583821  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mile west of Palms to Pines Highway on road to Anza Comment
  RSA650289  Penstemon centranthifolius G. Foster 1961-5-12 121 Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  UCR243168  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR50419  Penstemon centranthifolius L. F. LaPre 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  RSA97018  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-4 436 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  POM47016  Penstemon grinnellii Mary F. Spencer 1919-6-27 1230 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM4523  Penstemon labrosus H. M. Hall 1901-07 2506 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UCR245239  Penstemon pseudospectabilis Jim Andre 2012-3-19 21330 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  RSA285605  Penstemon spectabilis D. C. Michener 1980-5-29 3630 Riverside Cave Springs. Comment
  RSA401805  Penstemon spectabilis E. C. Jaeger 1921-6-24 s.n. Riverside Stratton's Ranch, McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  UCR132995  Penstemon spectabilis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR15977  Penstemon spectabilis Dorothy Detrich 1966-5-4 14 Riverside San Jacinto Mtns, Old Banning to Idyllwild Rd 854 Comment
  NY661194  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25279 Riverside Route 74, 7-8 miles east of Hemet 548.6 Comment
  POM12946  Pentachaeta aurea P. A. Munz, I. M. Johnston 1922-5-19 5390 Riverside 3 miles west of Keen Camp. 1494 Comment
  POM293688  Perityle emoryi Lyman Benson 1949-3-28 13569 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  UC306394  Perityle emoryi Geo. B. Grant 1896-4-20 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UC831555  Perityle emoryi Lewis S. Rose 1938-12-22 38337 Riverside 14 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 609 Comment
  LA49854  Petalonyx thurberi subsp. thurberi Victor Duran; 1933-7-3 3500 Riverside Coachella Valley, Deep Canyon 243 Comment
  SD146140  Petunia parviflora A. C. Sanders, D. Bramlet, M. Costea, T. Salvato 1999-10-15 23174 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 Hot Spr. 433 Comment
  UCR34118  Petunia parviflora Lance F. Howard 1984-5-10 019 Riverside Riverside: E side of the Santa Ana River, about 300 m south of Mission Blvd. Bridge 240 Comment
  CAS-BOT-BC326775  Peucephyllum schottii Aven Nelson; Ruth Nelson 1939-3-27 3291 Riverside Near Fish Springs west of teh Salton Sea Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  UCR218316  Peucephyllum schottii Jim Andre, T. La Doux 2009-3-10 11248 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR226767  Peucephyllum schottii Jim Andre 2011-2-9 15898 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  RSA94111  Peucephyllum schottii F. W. Peirson 1918-03 1244 Riverside SE side of desert embankment at Palm Springs and almost opposite Andreas Canyon. Comment
  UCR159151  Phacelia George K. Helmkamp 1998-4-4 3129 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR260849  Phacelia brachyloba A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41415 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UC1595707  Phacelia campanularia W. Wisura, A. King, and L. Newcomb 1992-4-10 4676 Riverside n W-Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  UCR274805  Phacelia campanularia subsp. campanularia Aaron C. Sedgwick, David Fraker 2012-3-28 37 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UC68747  Phacelia campanularia subsp. vasiformis H. M. Hall Apr. 1905 5996 Riverside Cottonwood Pass Colorado Desert 670 Comment
  RSA427686B  Phacelia cicutaria var. hispida Ora M. Clark 1929-3-17 1766 Riverside San Andreas Canyon [Riverside Co.?] Comment
  UCR225598  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-3-29 38842 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  CLARK-A1528-2998  Phacelia crenulata John C. Roos 1949-3-5 4090 Riverside Orocopia Mountains Comment
  UCR50883  Phacelia crenulata A. C. Sanders 1988-5-11 7804 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  JOTR35326  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA0043231  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-18 252 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  RSA727871  Phacelia crenulata var. ambigua Naomi S. Fraga, Lisa Rojas 2005-2-10 1361 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA776961  Phacelia crenulata var. ambigua Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 911 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SD21521  Phacelia crenulata var. ambigua Frank F. Gander 1938-5-21 5764 Riverside Shaver's Summit Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  RSA0105078  Phacelia distans Daphne K. Christopher, Hannah Stevens 2003-4-6 104 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA339326  Phacelia distans Robert F. Thorne, W. A. Tilforth 1980-5-28 54201 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA426209  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA550347  Phacelia distans Walter Wisura, John Dolan, M. Wall 1992-3-24 4641 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  RSA676144  Phacelia distans Scott D. White 2001-4-12 8296 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
  UCR102762  Phacelia distans B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3592 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
  UCR135995  Phacelia distans Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR215613  Phacelia distans Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 09 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR228918  Phacelia distans A. C. Sanders 2011-4-6 39014 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR272903  Phacelia distans Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3075 Riverside Mojave Desert, east side of the Arica Mountains, along the old RR tracks on the west side of Rice Valley, c. 6.25 air miles south of the ghost town of Rice 224 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
  RSA249836  Phacelia imbricata subsp. patula Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38100 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1677 Comment
  JOTR30257  Phacelia ivesiana Leary, C. and Leary, Pat 1979-5-6 3029 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  CSUSB1304  Phacelia minor Randy Salstrom 1966-3-15 Riverside 2 miles north of highway between Beaumont and Indio, about 3 miles west of Whitewater. 426 Comment
  SD143842  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mountains: Coyote Hill (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR241693  Phacelia minor T. B. Salvato 2013-3-22 7399 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR258750  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7915 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  RSA428151  Phacelia parryi N. C. Cooper 1944-6-4 2020 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR102930  Phacelia parryi George K. Helmkamp 1998-4-3 3063 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA776295  Phacelia rotundifolia Duncan S. Bell, Amanda Turek 2010-4-10 829 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  POM9101  Phacelia stellaris P. A. Munz, R. D. Harwood 1920-5-5 3834 Riverside Near Wineville. 305 Comment
  UCD89176  Phalaris minor John Thomas Howell 1960-3-24 35152 Riverside La Quinta. Comment
  RSA595316  Phalaris minor D. L. Banks, Victor Steinmann 1996-4-20 890 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 79. 377 Comment
  RSA736307  Phalaris paradoxa Scott D. White, Justin M. Wood 2008-5-13 11954 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  SEINET186318 Image available Philadelphus microphyllus var. stramineus Philip A. Munz 1938-1 15392 Riverside Ridge east of Toro Peak, Santa Rosa Mountains. 2438 Comment
  RSA601648  Phoradendron californicum Louis C. Wheeler 1956-2-25 7176 Riverside Deep Canyon, south of Palm Desert. Comment
  SBBG33959  Phoradendron californicum L. S. Rose 1966-12-11 Riverside Palm Springs 152 Comment
  UC848861  Phoradendron californicum C. L. Hitchcock 1940-4-2 5917 Riverside Joshua Tree Nat'l Monument, Cottonwood Spring wash Comment
  UCR240037  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  UCR165848  Phoradendron macrophyllum T. B. Salvato, John F. Green 2004-5-27 636 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA790779  Phoradendron villosum M. E. Fishbein, Victor W. Steinmann, Ivonne Steinmann, J. Mark Porter, Stephen Dreher 1999-12-4 4096 Riverside Santa Rosa Mtns: Deep Canyon, just east of California 74. 976 Comment
  CAS-BOT-BC260909  Phragmites australis S. B. Parish 1912-7-3 8068 Riverside Salton Bridge near Durmid Comment
  JOTR33789  Physalis crassifolia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3104 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  POM304698  Physalis crassifolia Henry J. Ramsey 1940-5-26 198 Riverside State, Cal. Locality, 10 mi. east of Indio. Comment
  RSA0031611  Physalis crassifolia Jim Andre 2013-3-27 24816 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UCR112113  Physalis crassifolia A. C. Sanders, T. B. Salvato 2000-4-21 23345 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  RSA263779  Picris echioides Robert Harvey 1959-8-4 153 Riverside Corona, Tin Mine Canyon 457 Comment
  UCR22007  Picris echioides Steve Boyd 1980-9-8 342 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SD90372  Pilularia americana Robert F. Thorne, Earl Lathrop 1969-5-12 37919 Riverside Santa Rosa Plateau, south end of Mesa de Colorado, Rancho California, north margin of marsh 625 Comment
  CAS-BOT-BC78557  Pinus coulteri P. C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (N.) main divide motorway 1219 Comment
  UC156  Pinus coulteri H. M. Hall 1901-7-1 2642 Riverside in open pine forests in the vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  UC1571803  Pinus jeffreyi Bruce Zobel September 1950 BMJ 1 Riverside n Idyllwild (on the road to Black Mt.); San Bernardino National Forest, San Jacinto Mts. 2133 Comment
  SEINET10833975  Pinus lambertiana James S. Miller 1992-5-8 Miller 7471 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  RSA479441  Pinus quadrifolia Lyman Benson 1962-2-17 16139 Riverside 1/2 mile SW of Jct of Palms-to-Pines Rd and Hwy 243 to Anza. 1220 Comment
  CDA36023  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert; Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. Comment
  SD181660  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside Gavilan Hills Region; southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street. Comment
  UCR98005  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 B Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  SEINET272339  Plagiobothrys canescens A. C. Sanders, G Helmkamp 1997-3-15 19927 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 549 Comment
  UCR116773  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23894 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SD260921  Plagiobothrys collinus Andrew C. Sanders, T. B. Salvato 2012-4-27 40089 Riverside Peninsular Range: Santa Ana Mtns Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and nouth of Mayhew Cyn (Lake Mathews 7.5'Q) 313 Comment
  UCR172255  Plagiobothrys collinus 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
  SEINET3084131 Image available Plagiobothrys fulvus A. C. Sanders, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mountains, 5 miles (airline) SW of Murrieta. Comment
  RSA709896  Plagiobothrys jonesii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4597 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA562107  Plagiobothrys nothofulvus Steve Boyd 1992-4-14 6799 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA709076  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro. 10 Comment
  RSA85111  Plagiobothrys nothofulvus J. C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  UCR121203  Plagiobothrys nothofulvus D. E. Bramlet 1990-4-26 1974 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  UCR97458  Plagiobothrys tenellus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19876 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA0135564  Plantago elongata R. E. Riefner 2017-4-2 17 -144 Riverside City of Hemet, W Hemet, S of W Florida Ave. (SR 74), SW ca. 0.35 mi from Lyn Ave and California Ave. 482 Comment
  SEINET272396  Plantago erecta A. C. Sanders, G Helmkamp 1997-3-15 19938 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UCR102842  Plantago erecta A. C. Sanders 1997-4-3 20171 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
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Feb 17 2013
  RSA221053  Plantago major E. W. Lathrop 1966-5-8 6414 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UC1125638  Plantago ovata H. S. Yates 1937-3-23 5396 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC1595788  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4626 Riverside 7.7 mi ne Mecca (on Box Canyon Rd) Comment
  UCR178545  Plantago ovata R. G. Swinney 1967-2-19 0041 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 335 Comment
  POM184046  Plantago ovata var. fastigiata P. A. Munz 1932-3-14 12001 Riverside Deep Canyon, Coachella Valley 91 Comment
  POM220057  Plantago ovata var. fastigiata F. R. Fosberg 1932-3-13 8074 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  UCR121235  Plantago patagonica Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2308 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SBBG54767  Platanus racemosa C. Worthman 1968-5-16 166 Riverside 8.7 mi W of Murietta 167 Comment
  CSUSB1044  Platystemon californicus Ronald H. Sauer 1965-4-28 Riverside Box Springs Mountains Box Springs Mountains. 4.2 miles from beginning of dirt road to radio towers. 487 Comment
  RSA445708  Platystemon californicus E. Mannatt 1931-4-19 s.n. Riverside Riverside Comment
  RSA675047  Platystemon californicus Scott D. White 2001-5-1 8439 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  CDA7065  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -395 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
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Dec 13 2012
  POM1026  Pleuraphis rigida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  POM47181  Pleuraphis rigida Mary F. Spencer 1920-3-17 1529 Riverside Whitewater. Comment
  RSA0041455  Pleuraphis rigida Duncan S. Bell, LeRoy Gross 2014-3-20 6278 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA747835  Pleuraphis rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA778524  Pleuraphis rigida Amber Swanson, Linda Jean Foster 2011-10-8 634 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA780237  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  SBBG8448  Pleurocoronis pluriseta H. and M. Dearing 1938-3-6 1968 Riverside Painted Cyn, near Mecca Comment
  UC485232  Pluchea sericea unknown May 1 1906-May 10 1906 1010 -6754 Riverside Palm Springs Colorado Desert Comment
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Apr 17 2011
  RSA653711  Poa annua Scott D. White 2000-3-23 7636 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA179487  Poa secunda E. W. Lathrop 1965-4-11 5649 a Riverside 10 mi. W. of Murrieta Comment
  RSA791519  Poa secunda subsp. secunda Jim Andre 2012-4-16 20961 Riverside Joshua Tree National Park;; north side of Mt Ryan at Sheep Pass Campground area. 1370 Comment
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Sep 10 2013
  UCR14558  Polycarpon tetraphyllum W. H. Evart 1974-7-3 s.n. Riverside Riverside, 2085 Loma Vista St. [West of Chicago Ave. & north of University Ave.] Comment
  RSA192341  Polygala cornuta var. fishiae H. A. Zuill 1966-6-19 232 Riverside Cole Canyon, 1-2 miles WSW of Murrieta Comment
  SD130270  Polygala cornuta var. fishiae Scott White 1990-6-16 Riverside Cleveland National Forest, east wall of Hagador Canyon, foot of west-facing slope, near mouth, on private land just inside of the Forest boundary 395 Comment
  UCR189815  Polygala cornuta var. fishiae Theresa Johnson 2006-7-7 221 Riverside Peninsular Range, Santa Ana Mountains, 0.2 mi North of Orange County border. Just north of Indian Truck Trail. Along SE edge of road at base of rock wall 1063 Comment
  RSA785070  Polygonum arenastrum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 78 Riverside Fobes Ranch road turn from Hwy 74 Comment
  CLARK-A1528-759  Polygonum aviculare Roberta H. Smith 1969-5-6 33 Riverside Riverside 152 Comment
  UCR67000  Polygonum hydropiperoides S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  RSA689956  Polypodium hesperium Robert Kessler 1927-1 98 Riverside N. Side Tahquitz Peak. San Jacinto Mts. 2591 Comment
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Feb 28 2011
  SEINET10522814  Polypogon interruptus David B. Dunn, A. Folsom 1948-6-17 Dunn 3798 Riverside At camp in Pushawalla canyon under palms. Comment
  RSA714424  Polypogon monspeliensis A. C. Sanders 2004-5-12 27868 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA385498  Polypogon viridis N. C. Cooper 2638 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  RSA28031  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  SD129617  Porophyllum gracile Steve Myers 1990-3-21 Riverside Santa Rosa Plateau, Along Los Gatos Road, 0.5 miles south of Buena Vista Road (2 miles west of Sandia Canyon & 0.1 miles north of S.D.Co.Line 365 Comment
  SD262208  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-13 417 56 Riverside Peninsular Ranges: Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. (Lake Eslinore 7.5'Q) 563 Comment
  SD136945  Potamogeton foliosus subsp. foliosus Steve Boyd 1994-10-14 8387 Riverside San Mateo Canyon Wilderness Area of the Clevelanmd National Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  UCR201655  Potentilla gracilis var. elmeri Scott D. White, Justin M. Wood 2008-5-15 12005 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA0005686  Potentilla hassei H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC144850  Potentilla rimicola Frank W. Peirson 1924-7-27 5000 Riverside 1/2 mile west of Deer Spring, San Jacinto Mts. Comment
  UCR89888  Prenanthella exigua A. C. Sanders, E. J. Lawlor 1992-4-4 12141 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SDSU12251  Primula clevelandii var. clevelandii Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 2 Riverside Comment
  UC1522675  Proboscidea louisianica subsp. louisianica Steve Boyd 1984-9-20 Riverside along Cajalco Rd. 4 1/2 mi nw Perris (0.2 mi e of its intersection with Clark St. (Old Elsinore Rd.)); Mead Valley Comment
  RSA82485  Proboscidea lutea H. Baer 1922-7-18 s.n. Riverside Near Lake Elsinore. Comment
  UCR277623  Proboscidea parviflora subsp. parviflora Aaron C. Sedgwick, Cody Leslie 2012-9-21 126 Riverside Mojave Desert, Rice Valley, c. 10 miles south of Hwy 62 on Rice/Blythe Road 281 Comment
  CAS-BOT-BC206990  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  LA47456  Prosopis glandulosa var. torreyana Charles Bogert; 1932-4-17 4008 Riverside Indian Wells Comment
  UCR85387  Prosopis pubescens A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15880 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  CLARK-A1528-4031  Prunus fremontii John C. Roos, Lucille Roos 1953-3-21 5908 Riverside Palm Springs 274 Comment
  POM13906  Prunus fremontii Philip A. Munz 1922-3-12 4707 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  UCR140323  Prunus ilicifolia A. C. Sanders 2004-5-12 27894 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CLARK-A1528-4851  Psathyrotes ramosissima John C. Roos 1947-2-1 3227 Riverside Painted Canyon Comment
  HSC47470  Psathyrotes ramosissima Richard Spjut 1978-5-10 5039 Riverside Colorado Desert: Chuckawalla Valley, ca. 1 mi. S of Desert Center 305 Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SEINET2053761 Image available Pseudognaphalium biolettii Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  CAS-BOT-BC357571  Pseudognaphalium stramineum Faulkner 1978-4-27 499 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River 137 Comment
  UCR232801  Psilocarphus brevissimus John F. Green 2008-4-16 0408- 45 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR85735  Psilocarphus brevissimus var. brevissimus Scott D. White 1993-4-30 1318 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CAS-BOT-BC346354  Psorothamnus Annie M. Alexander; Louise Kellogg 1941-5-22 2217 Riverside 1 1/2 mi. N. Cottonwood Spring, Eagle Mountains 975 Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  POM122372  Psorothamnus emoryi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  RSA748290  Psorothamnus emoryi Justin M. Wood 2009-3-26 418 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  UC555345  Psorothamnus emoryi Margaret Stason 1927-3-12 Riverside Thousand Palms , Thousand Palms (Colorado Desert) Comment
  CAS-BOT-BC340896  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  CAS-BOT-BC340920  Psorothamnus schottii Peter H. Raven 1958-1-24 11452 Riverside Fargo Canyon Comment
  JOTR33992  Psorothamnus schottii La Doux, Tasha, M. Harding 2010-4-7 2880 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA4874  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  SBBG22977  Psorothamnus schottii D. Myrick 1965-3-3 1081 Riverside White Tank Public Camp, Joshua Tree Nat Monument 762 Comment
  UC667343  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-12 2161 Riverside road to Black Eagle Mine , road to Black Eagle Mine (Eagle Mountains) 777 Comment
  UCD159769  Psorothamnus schottii Duncan S. Bell 2013-1-30 4440 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  UCR241711  Psorothamnus schottii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 44 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCSB3062  Psorothamnus schottii Leeuwen, Henry 1957-4-13 Riverside Next to Cal. Hwy. 195 about 3 miles west of U.S. 60 Comment
  SEINET12155971  Psorothamnus schottii E. A. Purer 1935-1 6462 Riverside Near Palm Springs, Colorado Desert Comment
  JOTR32401  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  UCSB3066  Psorothamnus spinosus Haller, John 1950-5-21 Riverside Coachella Valley, 2 miles up Palms to Pines Highway, near base of mountains Comment
  RSA91440  Psorothamnus spinosus Kate Merrell 1929-6-4 8410 Riverside E of Oasis, Colorado Desert, Comment
  RSA392936  Pterostegia drymarioides Ora M. Clark 1929-2-23 1581 Riverside North of Whitewater Comment
  RSA728144  Pterostegia drymarioides Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 112 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  SD181375  Pterostegia drymarioides Rashmi Pant, Darin Banks 1996-5-1 1016 Riverside Cleveland National Forest: along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail junction Comment
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  RSA667366  Punica granatum A. C. Sanders, Mark A. Elvin, Vipul Joshi 2002-4-26 25020 Riverside The Badlands: canyon above Eden Hot Springs. 549 Comment
  UCR35104  Pyrola aphylla L. B. Ziegler 1966-6-28 071 Riverside San Jacinto Mountains, North Fork of the San Jacinto River (Dark Canyon), above Idyllwild-Banning Road 1677 Comment
  UCR273238  Quercus Mitch Provance 2012-1-25 17374 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCR278567  Quercus Mitch Provance 2012-9-5 912- 10 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  CAS-BOT-BC86600  Quercus X munzii Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshue Tree National Monument 1219 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
  CAS-BOT-BC61818  Quercus agrifolia Peter Raven 1958-5-18 12982 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  SD254630  Quercus berberidifolia Mitch Provance 2012-1-25 17378 Riverside Badlands of Western Riverside County; San Timoteo Canyon, SW end along SCE powerline access road between El Casco Substation and Hwy 60. 654 Comment
  UCR141960  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR273037  Quercus berberidifolia Mitch Provance 2012-1-25 17381 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  JEPS38046  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunder's Meadow 1737 Comment
  SEINET5569533  Quercus chrysolepis R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, SW 25d slope. 1524 Comment
  CAS-BOT-BC167097  Quercus cornelius-mulleri Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9009 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  UCSB58807  Quercus cornelius-mulleri Muller, Cornelius; Muller, Katherine 1983-4-15 Riverside 1/2 miles S. of Sage Forest Fire Station 13.3 mi. N of agranga, 13.4 mi S. of Hornet 1639 Comment
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May 21 2016
  CAS-BOT-BC86549  Quercus dumosa John Thomas Howell 1927-8-2 2937 Riverside near top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  RSA0091964  Quercus durata var. gabrielensis Mitch Provance 2012-9-13 912 -01 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +/- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  CAS-BOT-BC105324  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA645372  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Elder Crk Rd, 0.3 mi. W of Bonny Lane.[UTM: NH-2E, 0N Durasno Valley.] 1265 Comment
  POM312161  Quercus turbinella N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  LA205367  Quercus wislizeni W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  JEPS23077  Rafinesquia neomexicana Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon 1958-3-3 1832 Riverside 27 mi s Vidal (along U.S. Highway 95, in flood plain of the Colorado River, ne of the Big Maria Mts., e Riverside County); Colorado River 97 Comment
  JOTR35148  Rafinesquia neomexicana La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3260 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA554431  Rafinesquia neomexicana Theo Glenn 1992-3-31 92 -3 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. 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
  UCR60658  Ranunculus aquatilis var. capillaceus R. F. Thorne 1973-5-23 43839 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR79255  Ranunculus hebecarpus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6759 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Trail from junction with Morgan Trail S to Pigeon Spring area 793 Comment
  UCR20915  Ranunculus sceleratus A. C. Sanders 1978-7-5 575 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  RSA690937  Rhamnus crocea Scott D. White, Michael Honer 2003-5-27 9411 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  OBI52766  Rhamnus ilicifolia B. Pitzer & A. C. Sanders, A. C. Sanders 1987-4-21 494 Riverside Box Springs Mts, near Southernmost radio towers 792 Comment
  RSA175260  Rhamnus ilicifolia Robert F. Thorne 1963-7-26 32819 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  POM15198  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1922-6-24 1166 Riverside Tahquitz trail prope [near] Idyllwild. 1585 Comment
  SEINET10778394  Rhinotropis cornuta var. fishiae J. Richard Abbott 2001-8-18 Abbott 14678 Riverside Santa Ana Mountains, San Juan Canyon, 6.7 miles SW of E-edge of Cleveland National Forest; 0.1 mile E of Orange County line on CA 74, 2 miles W of road N to Upper San Juan Campground; steep NNW-facing chaparral slopes. Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  RSA79404  Rhododendron occidentale Percy C. Everett, L. W. Lenz, E. K. Balls 1952-7-1 17275 Riverside Fuller Mill Creek, 2.4 miles south from Lake Fulmore. 1372 Comment
  UCR91729  Rhus aromatica A. C. Sanders, Jack Goetzen 1996-5-1 18138 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR26962  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UCR159255  Rhus laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CLARK-A1528-118  Rhus ovata I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  RSA696479  Rhus ovata Kenneth Beard 1934-04 s.n. Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
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Oct 31 2011
  UC1130537  Rhus ovata H. S. Yates 1937-3-24 6469 Riverside s of Pinyon Flat 975 Comment
  RSA96230  Rhus ovata E. K. Balls 1954-3-29 18951 Riverside 0.5 mi. form Corona-Elsinore Hwy on S side of road to Glen Ivy Resort, Temescal Canyon. Comment
  UC1130568  Rhus trilobata J. B. Spring 1931-4-17 35 Riverside head of Dawson Canyon 457 Comment
  POM294431  Ribes indecorum Lyman Benson, Robert Benson 1952-3-23 14840 Riverside Northeast of Santa Rosa peak, Pines to palms Hwy, view point for Jacinto Mt. Colorado desert. 1159 Comment
  POM48312  Ribes indecorum E. C. Jaeger 1925-3-1 1 Riverside Snow Canyon, . San Jacinto Mts. Comment
  SD73602  Ribes indecorum Helen V. Witham 1970-4-29 819 Riverside Palms to Pines Highway 2.0 miles east of Lake Hemet. 1299 Comment
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Jan 25 2010
  SEINET272333 Image available Ribes indecorum A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  SEINET3095401 Image available Ribes indecorum B. Pitzer, Jack Easton 1987-3-10 405 Riverside Anza area, hills S of Thomas Mtn., ca 3 mi. (airline) E of town of Anza on N side of Hwy 371. (Butterfly Peak Quad) Comment
  VVC471  Ribes malvaceum P. J. MacKay 1975-1 s.n. Riverside Transverse Mountain Range, "Few miles S. of Banning on Hwy. 243, 22.18 miles from county line"??? the liberty was taken to juxtapose a google location as 22 miles from N or S Co line places the location in Idyllwild and the label data clearly states chaparral and a few miles S of Banning; so.... 1534 Comment
  UCSB7025  Ribes malvaceum var. malvaceum Gill, Robert 1959-3-14 Riverside Santa Ana Mtn Range; Road to Black Star Canyon; Oak flat; from Corona site 365 Comment
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Nov 24 2014
  HSC86125  Ribes nevadense Jane Hildreth 1981-6-4 23 Riverside San Jacinto Mtns., San Bernardino National Forest, Bay Tree Springs along Hwy. 243, 12 mi. S of Banning 1646 Comment
  UCR97319  Ribes quercetorum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4073 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  CAS-BOT-BC186240  Ribes roezlii var. roezlii Peter H. Raven 1962-5-18 17758 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains 1615 Comment
  UCR26636  Ribes speciosum E. W. Lathrop 1966-3-23 s.n. Riverside Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UC50167  Romneya coulteri H. M. Hall 1899-7-4 1280 Riverside below Corona; Santa Ana River Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UC1951181  Rorippa palustris subsp. palustris Justin M. Wood with Jamie Miner 2009-4-2 464 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. USGS Temecula 7.5' Quad. Comment
  SD133008  Rosa californica Stephen Meyers 1990-12-10 Riverside Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope Channel, & to the confluence with the Santa Ana River 700 Comment
  POM366413  Rubus parviflorus Robert L. Rutherford 1944-6-17 1401 Riverside Above Banning. 1372 Comment
  UCR241491  Rubus ursinus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 252 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  SD255840  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. (Lakeview 7.5'Q) 434 Comment
  UCR136280  Rumex hymenosepalus A. C. Sanders, Guy Bruyea 2004-4-2 27438 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
  UCR82219  Rumex obtusifolius J. M. Stewart 1994-5-2 848 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  RSA653322  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR268299  Rumex salicifolius Jim Andre 2012-6-15 30552 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA586294  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-5-3 204 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
  RSA715904  Sabal A. C. Sanders 1984-7-18 5107 Riverside Kansas at Pennsylvania, edge of Bordwell Park. 287 Comment
  UC465598  Sagina saginoides F. M. Reed 1908-7-14 2454 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  RSA640316  Sagittaria latifolia L. C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  RSA518310  Salazaria mexicana A. C. Sanders 1989-9-19 9502 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR17312  Salazaria mexicana Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, 27 km off [S of Interstate] Hwy 10, Graham Pass Road, Chuckwalla Bench. Comment
  SEINET10965411  Salix exigua David B. Dunn 1946-2-22 Dunn 1946 Riverside Collected on the n side of whitewater colorado desert. Comment
  UC483030  Salix gooddingii F. R. Fosberg 1932-3-13 8081 Riverside Upper Palm Grove Thousand Palm Canyon; Coachella Valley, Thousand Palm Canyon Comment
  CAS-BOT-BC108213  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  SD80051  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1970-3-27 268 Riverside Andreas Canyon, east slope San Jacinto Mts. 305 Comment
  JEPS14747  Salix lasiandra var. lasiandra Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon) 304 Comment
  POM13584  Salix lutea Philip A. Munz 1922-7-6 5980 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  SD122377  Salsola paulsenii Duffie Clemons, Erik Jonsson 1988-2-13 1939 Riverside Alongside Washington Street, 3.0 miles north of I-10 southwest of Indio Hills, Coachella Valley. Comment
  UCR35143A  Salsola tragus L. B. Ziegler 1976-6-20 550 A Riverside San Jacinto Valley 473 Comment
  SEINET3860544  Saltugilia australis Leigh A. Johnson, J. Mark Porter 1997-1 97 -004 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, ca 1.5 miles N. of I-10.; 0 500 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
  RSA0094572  Saltugilia australis Leigh A. Johnson, J. Mark Porter 1997-3-7 97 -004 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, just N. of I-10. Infrequent plants locally at base of east facing mtns approcimately where slope steepens and ravines begin., Located on west side of Whitewater Canyon Road at point where drainage pipes fo under road and fence is erected (just south of first houses). 600 Comment
  RSA587143  Saltugilia caruifolia D. L. Banks, S. D. Boyd 1995-6-2 0554 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on the boundary of sections 32 & 33. 1042 Comment
  UCSB37825  Saltugilia splendens Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, sec. 28 2072 Comment
  RSA411320  Salvia apiana Larry E. DeBuhr 1977-5-6 2589 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  RSA714428  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area. 450 Comment
  SDSU13634  Salvia apiana W. Miller, C. Mosse 1972-7-20 Riverside R.C. Weather station. Comment
  UCLA69768  Salvia apiana unknown 1905-5-25 763 Riverside Riverside Comment
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Feb 3 2013
  UCLA55169  Salvia apiana var. compacta C. Epling and L. Haines 1937-5-7 Riverside 1 mi below Shumway Rd.; Palms to Pines Highway Comment
  SD241861  Salvia carduacea Jay Walker, R. C. Walker 2004-4-15 jbw 3092 Riverside S of Hemet, 1.4 mile S of Gibbel Road about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mile SSE of Hemet Butte, S of mouth of Avery Canyon. Comment
  UC574920  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
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Sep 17 2016
  RSA0047269  Salvia columbariae J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA522748  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3856 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR147727  Salvia columbariae Steve Boyd, Et al. 2004-5-14 11271 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR174387  Salvia columbariae A. C. Sanders 2006-5-19 32413 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
  UCSB11998  Salvia columbariae Schevill, Peggy 1963-5-5 Riverside Joshua Tree Woodland; About 5 miles north by northwest; Pinyon Flats Campground; Calif Hwy 74 1021 Comment
  RSA0116962  Salvia eremostachya Donald Myrick 1968-3-4 1809 Riverside On Palms to Pines Hwy out of Palm Desert. 762 Comment
  RSA580061  Salvia greatae C. Epling, Mrs. Epling 1937-6-10 s.n. Riverside Hidden Spring near Mecca. Comment
  UC1179540  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside E of and 3.6 mi on road up S side of Orocopia Mtns Coachella Canal; Orocopia Mtns Comment
  CAS-BOT-BC229985  Salvia mellifera A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19871 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road 457 Comment
  SD157514  Salvia mellifera Michael L. Wells 1990-4-19 90 20 Riverside Perris, intersection of Nuevo Road and Rimrock Road; southeast facing slope Comment
  UCR120296  Salvia mellifera Mitch Provance 1998-2-13 16 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  VVC296  Salvia mellifera P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  SBBG54328  Salvia pachyphylla C. Davidson 1978-6-15 7382 Riverside rd from Hwy 74 to Santa Rosa Spgs Cmpgrd 2087 Comment
  CAS-BOT-BC233335  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Canyon, western base of the Colorado Desert 200 Comment
  CAS-BOT-BC233345  Salvia vaseyi A. Davidson 1983-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  UC666458  Salvia vaseyi Annie M. Alexander and Louise Kellogg 1941-6-1 2267 Riverside Dry Morongo Creek; Morongo Valley 655 Comment
  RSA477537  Sambucus caerulea N. C. Cooper 1949-6-24 4312 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SD234255  Sambucus nigra subsp. caerulea Wayne Law, Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Firest, above Temescal Valley in Indian Canyon, 11.8 mi. S of Corona (Aberhill 7.5' Q) 395 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
  RSA180500  Sanicula arguta E. W. Lathrop 1964-5-10 5363 Riverside 10 miles west of Murrieta. 610 Comment
  RSA560376  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR212674  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd 427 Comment
  UC1424822  Sanicula graveolens E. W. Lathrop 1977-4-20 7611 Riverside 4 mi w of Corona (Summit of Santiago Peak, Skyline Drive, between Tin Mine Canyon and Santiago Peak, Skyline Drive); Santa Ana Mountains, Santiago Peak, Skyline Drive Comment
  SEINET273045 Image available Sanicula tuberosa A. C. Sanders 1997-4-3 20150 Riverside Lake Skinner area; near N foot of Black Mtn, slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  UCR23393  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Summit of Reche Canyon. 765 Comment
  UCR155296  Sarcostemma cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 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
  JEPS27450  Sarcostemma hirtellum Dr. L. M. Newlon 1922-1 451 Riverside Palm Canyon of Mt. San Jacinto Comment
  SEINET3004999  Sarcostemma hirtellum G. Rink 2011-4-4 10427 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UC1080460  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1958-4-29 23029 Riverside 24.6 mi. n.e. from Desert Center (on rd. to Rice and Vidal Junction) 487 Comment
  RSA495460  Saxifraga californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2988 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR241545  Schismus arabicus A. C. Sanders, Ann Howald 2013-2-27 40550 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR89895  Schismus arabicus A. C. Sanders, E. J. Lawlor 1992-4-4 12098 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR29086  Schismus barbatus La Doux, Tasha 2005-3-30 1203 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  NY43366  Schismus barbatus C. R. Annable 1995-3-10 2265 Riverside 1.6km S of Lake Cahuilla County Park Comment
  SDSU18397  Schismus barbatus C. Matt Guilliams 2008-2-27 484 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. 370 Comment
  UCSB55399  Schoenoplectus americanus Wheeler, Louis 1932-9-4 Riverside Santa Ana River; at Chino Creek 182 Comment
  SDSU13638  Schoenoplectus californicus W. Miller 1972-8-24 Riverside Comment
  RSA544408  Schoenoplectus maritimus Steve Boyd, Timothy S. Ross 1991-6-14 6376 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SEINET10602603  Scribneria bolanderi Andrew C. Sanders, H. Spilman 1993-4-24 Sanders 13775 Riverside San Bernardino Mountains; Summit Valley on Hwy 173, 5.4 miles NE of The Hwy 138 junction & 1 mile S of the Grass Valley Cr. Crossing. Gentle slopes of decomposed granite soil on low hills. Chaparral with Adenostoma fascic.,, Cercocarpus betul.Haplopapus linearif., Juniperus calif, Ceanothus greg., Eriodictyon trich.Eriogonum fascic.etc. above a creek with willows and a few sycamores. Comment
  SBBG16541  Scrophularia californica P. H. Raven 1962-4-29 17486 Riverside Ortega Hwy, 1 mi above the east base 487 Comment
  UC1234751  Scrophularia californica Peter H. Raven 1962-4-29 17486 Riverside 1 mi above its e base Ortega Hwy 487 Comment
  UCR132918  Scrophularia californica John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA618385  Scrophularia californica subsp. floribunda D. L. Banks 1997-5-5 1980 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SD234902  Scutellaria bolanderi subsp. austromontana A. C. Sanders, T. Thomas, T. B. Salvato 2008-6-25 35626 Riverside Peninsular Range; San Jacinto Mtns.: Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek. 1584 Comment
  CAS-BOT-BC341101  Scutellaria mexicana Peter H. Raven 1958-5-5 12886 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  SD73615  Scutellaria mexicana Heloen V. Witham 1970-4-29 837 Riverside On flat, 29.2 miles of L. Hemet, on Highway 74. 1299 Comment
  UCR24917  Scutellaria siphocampyloides A. C. Sanders 1980-7-18 1665 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR133501  Scutellaria tuberosa D. C. Hawks 1998-4-20 s.n. Riverside Gavilan Hills, near base of Gavilan Peak 640 Comment
  UCR213681  Secale cereale Justin M. Wood 2009-5-11 701 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 N on Valley Hi Dr., from intersection w/ Twin Pines Rd. 1201 Comment
  UCR20801  Sedum spathulifolium Robert McKernan 1980-5-18 s.n. Riverside San Bernardino Mtns., 0.5 mi. up the Kitching Peak Trail 1585 Comment
  LA209602  Selaginella asprella Lawrence L. Kiefer; 1963-9-15 954 Riverside San Jacinto Mountains, N fork San Jacinto River (Dark Cyn.), ca. 2.5 mi above Dark Canyon Camp 1981 Comment
  SD138963  Selaginella bigelovii Craig Reiser 1993-3-19 Riverside Near Highway 62 west of Morongo Valley Comment
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Feb 29 2008
  SDSU7434  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 99 Comment
  CAS-BOT-BC62078  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  UCR136000  Senecio californicus Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  OBI37520  Senecio douglasii var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa rosa Plateau Region. Clinton Keith Rd, 1.7 mi E of gate to The Nature conservency Preserve Comment
  RSA38716  Senecio douglasii var. monoensis P. A. Munz 1946-10-20 11584 Riverside Cottonwood Springs, eastern end of Joshua Tree National Monument 1098 Comment
  CAS-BOT-BC364136  Senecio mohavensis Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2197 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  POM14300  Senecio mohavensis P. A. Munz, D. D. Keck 1922-4-9 4796 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
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Apr 5 2011
  SBBG8768  Senecio mohavensis H. and M. Dearing 1942-3-10 4827 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  JEPS17286  Senecio triangularis Carl V. Meyer 1928-7-26 536 Riverside Deer Springs San Jacinto Mountains 2590 Comment
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Aug 30 2011
  UCR265848  Senecio vulgaris Mitch Provance 2013-4-8 413- 04 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  SD229147  Senegalia greggii Dick Schwenkmeyer 2012-10-16 931 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  SD84910  Senegalia greggii Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-24 458 Riverside Andreas Canyon, East side of San Jacinto Mountains, north side of stream, Comment
  SEINET7347857  Senna armata H. M. Hall 5843 Riverside Colorado Desert, Canon Springs Comment
  UCR269234  Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range, along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. 401 Comment
  UCR59862  Sesamum orientale J. M. Stewart 1989-11-20 639 Riverside Western Colorado Desert, Interstate Hwy 10, east of Indian Avenue, North Palm Springs Comment
  RSA357133  Sesuvium verrucosum R. F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37607 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  CDA2457  Setaria viridis Steve Boyd 1989-7-9 3772 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA579290  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6778 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  UCR100569  Sibaropsis hammittii Steve Boyd, T. S. Ross 1992-3-31 6771 Riverside Santa Ana Mtns, Elsinore Peak 1024 Comment
  CSUSB1387  Sidalcea malviflora Sally Crum 1966-3-20 Riverside About 0.5 mile north of Murrieta on Tenaja Road, in Santa Ana Mountains on slope by roadside. 914 Comment
  RSA191387  Sidalcea malviflora subsp. sparsifolia E. W. Lathrop 1964-5-10 5349 Riverside 10 miles west of Murrieta. 610 Comment
  SEINET7048196  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33705 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  CAS-BOT-BC109455  Sidotheca caryophylloides Peter H. Raven; R. Snow 1957-7-26 11091 Riverside San Jacinto Mountains. Banning-Idyllwild road, 0.9 mile north of Vista Grande Ranger Station. Comment
  UC1949955  Sidotheca trilobata R. F. Thorne, W. Wisura, D. Mitchener 1982-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. Comment
  UCR133389  Silene antirrhina Tracy Tennant, T. B. Salvato 1998-6-23 485 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR231768  Silene gallica John F. Green 2008-4-21 02- 02 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd.