Search Results — 2000 specimen records retrieved (1900 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR131459  Abies concolor June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  CAS-BOT-BC229365  Abronia villosa L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  CSUSB1070  Abronia villosa Ellen Predmore 1971-5-3 Riverside Found 3 miles northwest of Gillman Hot Springs. 457 Comment
  SD245411  Abronia villosa Sarah De Groot, April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily Sanctuary, Chuckwalla Valley, just south of Coxcomb Mountains. 152 Comment
  UC574971  Abronia villosa C. Epling, J. Ewan 1933-6-1 Riverside near Alberhill; Temescal Canyon Comment
  RSA461193  Abronia villosa var. aurita Ora M. Clark 1929-2-24 1529 Riverside Cabazon, Colorado Desert. Comment
  UC620632  Abronia villosa var. aurita I. W. Clokey and E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
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Mar 24 2011
  UCR101523  Abronia villosa var. aurita D. L. Banks, Lauren Raz 1996-11-5 1183 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  UC912629  Abronia villosa var. villosa Curtis Ferris 1932-3-20 62 Riverside 8 mi e Oasis (on Jones Ranch) Comment
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Jun 24 2008
  UC472818  Acacia greggii Mary Fiske Spencer 1918-3-31 Riverside Colorado Desert, Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 125 Comment
  RSA414915  Acacia longifolia Edwin Kline 1925-2-28 14848 Riverside Near Riverside. Comment
  CAS-BOT-BC30901  Acamptopappus sphaerocephalus R. S. Ferris; Ruth P. Rossbach 1938-5-15 9539 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  SEINET223686 Image available Achnatherum coronatum Mary E. Barkworth 1981-1 3407 Riverside Riverside/San Diego CO: Near Aguanga. 914 Comment
  CAS-BOT-BC260437  Achnatherum hymenoides Geo. B. Grant 1906-4-20 6782 Riverside Palm Springs Comment
  POM116670  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC819263  Achnatherum hymenoides P. A. Munz, D. Keck 1922-4-14 5005 Riverside e Whitewater Ranch; Colo. Desert 213 Comment
  UCSB37774  Achnatherum speciosum Roos, John 1965-6-13 Riverside E of Hemet Comment
  UCR80730  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  CHSC210  Achyronychia cooperi E. Thomas 1940-3-3 Riverside Along shore of Salton Sea. Comment
  UCR108719  Achyronychia cooperi Scott D. White, Pam DeVries 1998-2-9 6080 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  LA48110  Acmispon argophyllus var. argophyllus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SDSU13331  Acmispon glaber var. brevialatus Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 28 Riverside Base of road leading down to the Santa Margrita River from the north site of the Santa Margarita Ecological Reserve (SDSU). 239 Comment
  SD146271  Acmispon micranthus A. C. Sanders 1998-5-2 21754 Riverside Santa Rosa Plateau, Slaughterhouse Canyon, ca. 4 airmiles west of Murrieta on Clinton Keith Road, on roadside 487 Comment
  SD67917  Acmispon nevadensis var. nevadensis Reid Moran 1968-8-3 15370 Riverside North slope, 1.0 mile west of Summit, Santa Rosa Mountain. 2150 Comment
  SBBG45066  Acmispon rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwood Spring Comment
  UCR21960  Acourtia microcephala Steve Boyd 1980-7-6 318 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA296168  Adenostoma fasciculatum Barry A. Prigge 1980-8-5 3866 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
Read comments
Jan 14 2010
  RSA679820  Adenostoma fasciculatum LeRoy Gross, Valerie Soza 2003-5-8 829 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  CLARK-A1528-3972  Adenostoma sparsifolium John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  POM78684  Adenostoma sparsifolium Albert J. Perkins 1916-9-9 s.n. Riverside Road, Idyllwild to Hemet. Comment
  UCSB15079  Adenostoma sparsifolium Breedlove, Dennis 1961-8-5 Riverside Steep slope at junction of Riverside Highway 1 and State Highway 74; San Jacinto Mountains 1524 Comment
  RSA597082  Agave americana Darin L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1120 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate., 100 m E of the main road at the edge of an open field and the native chaparral. 448 Comment
  UC1931094  Agnorhiza ovata Scott D. White, Justin Wood 2008-7-8 12383 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd, ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  UC1951124  Agoseris retrorsa Scott D. White, Justin Wood 2009-5-22 12892 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR193964  Agrostis A. C. Sanders 2008-7-25 35887 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  POM162492  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  UCR71881  Alchemilla arvensis Joe Di Bernardo 1992-4-6 92- 01 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, condominium complex at Mountain Shadows Golf Course Comment
  POM13217A  Aliciella latifolia E. C. Jaeger 1921-04 1129 Riverside Painted canyon, near Mecca. Comment
  RSA214389  Allenrolfea occidentalis L. C. Wheeler 1931-11-26 377 Riverside Salton Sea, 2 miles SE Salton Bench Mark. -76 Comment
  CAS-BOT-BC434478  Allionia incarnata Peter H. Raven 1958-3-15 11849 Riverside Box Canyon Comment
  JEPS61264  Allionia incarnata Marjorie D. Clary 1933-1-1 1719 Riverside Colorado Desert, Santa Rosa Mountains Santa Rosa Mountains; Colorado Desert, Santa Rosa Mountains 45 Comment
  UCD98019  Allionia incarnata Geoffrey Levin 1976-10-17 1187 Riverside Box Canyon, about 11 mi. east of Mecca. 91 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
  RSA0047270  Allium haematochiton J. Mark Porter, Lauren E. Machen 1997-2-15 11421 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
  SD140234  Allium haematochiton Scott White 1993-4-20 1204 Riverside Estelle Peak, Gavilan Hills; Lake Mathews quad. 822 Comment
  UCD138541  Allium haematochiton Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  UCD169115  Allium marvinii Jeff B. Galvin; Diane Menuz 2009-5-1 89 Riverside San Jacinto Mtns foothills, Northwest foothills of San Jacinto Mtns foothills. North of Soboba Rd, off Poppet Flats Truck trail. 816 Comment
  RSA706306  Allium munzii Valentin Arvizu 2005-4-20 1 Riverside Temescal Valley, mouth of Indian Canyon, 15 fwy x Indian Truck Trail., CNDDB EO# 8 (probable Type Locality for Allium munzii), Sycamore Creek housing development site. 381 Comment
  UCR22139  Allium munzii Steve Boyd 1980-5-17 289 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR78048  Allium munzii Scott D. White 1993-4-22 1255 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  JOTR33768  Allium parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  RSA751916  Allium peninsulare Scott D. White, Justin M. Wood 2009-5-22 12919 Riverside Old Control Road, above Halfway Spring. 1159 Comment
  RSA644111  Allium praecox Scott D. White 1995-3-30 2676 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
  UCR113966  Allium praecox Mitch Provance 1999-3-5 1059 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  UCR44452  Allophyllum divaricatum A. C. Sanders, B. Pitzer 1986-4-30 6486 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  UC908792  Allophyllum glutinosum Herbert L. Mason 1926-4-30 3131 Riverside 2 mi. s. Temecula Comment
  UCR110996B  Allophyllum glutinosum George K. Helmkamp 1998-6-27 4102 A Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR34997  Amaranthus albus L. B. Ziegler 1974-5-20 527 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  UCR110384  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23109 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
  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
  UCR89729  Amaranthus palmeri J. M. Stewart 1990-9-23 658 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  UCR58450  Amaranthus powellii George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns., Edge of Lake Hemet 1400 Comment
  CLARK-A1528-1405  Amaranthus retroflexus John C. Roos 1965-8-4 Riverside Arlington Comment
  UCR110377  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23116 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
  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
  UC472289  Ambrosia acanthicarpa unknown 1905-9-25 243 Riverside Terraces Ranch Comment
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Oct 20 2007
  UCR92765  Ambrosia acanthicarpa F. M. Reed 1933-10-14 8191 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 245 Comment
  RSA455874  Ambrosia confertiflora N. C. Cooper 1943-9-10 917 Riverside Banning. 610 Comment
  CAS-BOT-BC22597  Ambrosia dumosa Roxana S. Ferris 1918-6-17 1002 Riverside 5 miles E of Gruendikes Well on Mecca-Blythe Road Comment
  LA202898  Ambrosia dumosa F. R. Fosberg; 1932-3-13 8071 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA784725  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 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
  UCR238483  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 162 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  CLARK-A1528-5016  Ambrosia ilicifolia John C. Roos 1945-10-25 3147 Riverside Chuckwalla Mountains Comment
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  UCR91057  Ambrosia pumila G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  CAS-BOT-BC273034  Ambrosia salsola D. B. Dunn; H. Brown 1947-1-12 2834 Riverside Pushawalla Canyon, Indio Hills Comment
  LA203755  Ambrosia salsola A. M. Johnson; 1932-3-19 3880 Riverside below [S of] Palm Springs Comment
  RSA739851  Ambrosia salsola J. L. Strother 2008-3-10 1370 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  UC898000  Ambrosia salsola I. W. Clokey 1935-4-17 6986 Riverside Cottonwood Springs Comment
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Oct 9 2010
  JEPS39443  Ambrosia salsola var. salsola I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
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Oct 9 2010
  UC485547  Ambrosia salsola var. salsola Joseph Grinnell 1910-3-17 Riverside in wash near mouth Colorado River; Riverside Mt. Comment
  RSA802140  Amelanchier Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5009 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  JOTR32964  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CAS-BOT-BC180628  Amorpha californica var. californica Philip A. Munz 1938-8-14 15375 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  CAS-BOT-BC177259  Amorpha fruticosa Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  CAS-BOT-BC213972  Amsinckia John H. Thomas 1957-3-29 6515 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  SD133163  Amsinckia intermedia Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2 miles west of I-215 exit, by road; just east of the city of Murrieta 365 Comment
  SD186123  Amsinckia intermedia A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25834 Riverside Jurupa Mountains, hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 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
  UCR163424  Amsinckia intermedia B. G. Pitzer 1998-1-25 3423 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR95231  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 0988 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  HSC82821  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA0091429  Amsinckia tessellata I. M. Johnston 1917-4-4 989 Riverside Mouth of Andreas Canyon. 244 Comment
  RSA19239  Amsonia tomentosa var. tomentosa I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA170216  Anemopsis californica John Weiler, Roy L. Taylor 1961-5-12 61127 Riverside North of Temecula along U.S. 395, 3.4 miles south of Murietta Hot Springs lateral. Comment
  UCR180054  Anemopsis californica Mitch Provance 2005-5-18 9801 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA667099  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside: abandoned orange orchard north of 1012 Spruce St. 305 Comment
  POM262948  Antirrhinum coulterianum J. C. Roos 1941-5-17 138 Riverside About 4 miles SW of March Field. Comment
  RSA425788  Antirrhinum coulterianum Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  UC1595591  Antirrhinum coulterianum Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4557 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR105430  Antirrhinum coulterianum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 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
  UCR231814  Antirrhinum coulterianum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 11 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR71982  Antirrhinum coulterianum Steve Morgan, H. M. Soldan 1992-5-25 92 5 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  UCR81110  Antirrhinum coulterianum Scott D. White 1993-5-29 1455 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  UCR116075  Antirrhinum nuttallianum O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  RSA519254  Apiastrum angustifolium Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR183003  Apiastrum angustifolium Mitch Provance 2003-5-5 4406 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR267164  Apiastrum angustifolium Mitch Provance, Matt Amalong 2015-3-24 315- 13 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., S of the lower watertank 406 Comment
  HSC80297  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside 7 mi W of Rancho California 366 Comment
  UCR150029  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR48499  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR234249  Apocynum cannabinum A. C. Sanders, T. B. Salvato 2012-4-27 40095 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCR35000  Apocynum cannabinum L. B. Ziegler 1968-6-20 319 Riverside San Jacinto Mtns., Fuller Mill Creek, edge of the campground in the canyon bottom 1677 Comment
  UC667310  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-4-29 2103 Riverside 13 mi sw 29 Palms; Joshua Tree National Monument 1371 Comment
Read comments
Sep 18 2012
  UC855512  Arabis pulchra L. Haines and L. Erickson 1937-4-10 Riverside near road to Shumay (Palms-to-Pines highway) Comment
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Dec 17 2011
  RSA0128656  Arabis repanda P. A. Munz 1922-9-6 6386 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  UC848841  Arceuthobium campylopodum I. W. Clokey and E. G. Anderson 1935-8-21 6574 Riverside Idlewilde-Banning 1650 Comment
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Mar 21 2011
  RSA0040386  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside Idyllwild area, SW of Pine Cove & west of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd Cyn) 1707 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
  RSA629417  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19495 Riverside Southwest of Wildomar, off of Calle Huerto, north of Avenida La Cresta, west of Clinton-Keith Road, southern Santa Ana Mountains. 850 Comment
  UCD51032  Arctostaphylos glandulosa I. W. Clokey; E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek. 1500 Comment
  UC1120175  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1934-3-4 307 Riverside Tin Mine Canyon Cleveland N.F., Corona Quadrangle Comment
  UC1120233  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-28 676 Riverside 3 1/2 mi s Rayneta; San Bernardino National Forest, Riverside Quadrangle Comment
  RSA16509  Arctostaphylos glauca Percy C. Everett 1935-6-17 7149 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 1 mile above Glen Ivy resort. 549 Comment
  RSA631755  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16508 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631779  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19259 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA633573  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22511 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633643  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20136 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633660  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16659 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA635197  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16774 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  CAS-BOT-BC44330  Arctostaphylos pringlei subsp. drupacea H. E. McMinn 1925-7-2 1495 a Riverside Tahquitz Trail, San Jacinto Mts. Comment
  RSA126698  Arctostaphylos pringlei subsp. drupacea P. H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA635649  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16646 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  RSA635692  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16596 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  SBBG59984  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 mi from Idyllwild on rd to Banning 1706 Comment
  HSC25511  Arctostaphylos pringlei var. drupacea Richard Spjut 1972-3-14 2275 Riverside San Jacinto Mtns., along Hwy. 1 and Hwy. 74 in San Bernadino Natl. Forest 1220 Comment
  LA42247  Arctostaphylos pungens C. B. Wolf; 1931-5-11 1953 Riverside near Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  RSA636003  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19550 Riverside Carancho Rd., W. of Temecula. 440 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
  UCR189556  Arctostaphylos rainbowensis Annie L. Bustamante 2007-9-6 102 Riverside Pennisular Range- Santa Ana Mountains, Santa Margarita Ecological Reserve; c. 0.7 km west of Highway 15, c. 1 km from Santa Margarita River. Along trail 603 Comment
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  RSA0043044  Argemone munita Duncan S. Bell, Loraine Washburn 2014-4-8 6580 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  CAS-BOT-BC401676  Argemone munita subsp. munita Alice Eastwood 1913-4-30 3109 Riverside Palm Springs Comment
  RSA0099596  Aristida adscensionis Duncan S. Bell, Evan Meyer 2014-10-29 7701 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  SEINET3918912  Aristida adscensionis D. Fenfrock 1951-5-10 s.n. Riverside Hwy 60-70 at Black Rock, 10 mi. W. of Blythe.; 0 Comment
  UC574007  Aristida adscensionis H. S. Yates 1937-3-23 6436 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UCR130118  Aristida adscensionis Scott D. White 2001-4-3 8232 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR2156  Aristida adscensionis F. M. Reed 1926-5-8 5324 Riverside Perris Basin, Rocky hill near Good Hope Mine Comment
  UCR251717  Aristida adscensionis Deidre Conocchioli, Sarah J. De Groot 2013-9-18 48 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 122 Comment
  JOTR00870  Aristida adscensionis Sipe, Frank 1958-3-10 277 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA0027480  Aristida adscensionis Deidre Conocchioli, Sarah J. De Groot 2013-9-18 48 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 122 Comment
  UCD56348  Aristida californica John Thomas Howell 1928-3-11 3443 Riverside Colorado Desert, 6 miles SE of Garnet Station. 152 Comment
  UCR216682  Aristida purpurea Tasha La Doux, Jim Andre 2009-3-10 386 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
  RSA385034  Aristida purpurea var. fendleriana H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  UCD56533  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  CAS-BOT-BC137515  Aristida purpurea var. purpurea P. Munz; L. Street 1919-5-7 2725 Riverside Mouth of Tahquitz Canyon. Comment
  UCR2176  Aristida ternipes var. gentilis F. M. Reed 1908-8-16 2561 Riverside Riverside. Iowa Ave. on sec. 30 305 Comment
  RSA725813  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, 4291 Alta Vista Dr. 259 Comment
  RSA650458  Artemisia californica C. J. Humphrey, Herbery Humphrey 1936-6-7 395 Riverside In foothills 18 miles East of Riverside. 548 Comment
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Dec 15 2011
  UCR139637  Artemisia californica A. C. Sanders 2004-6-30 28396 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
  RSA417288  Artemisia douglasiana L. C. Wheeler 1931-10-4 200 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  UCR140311  Artemisia dracunculus A. C. Sanders 2004-4-9 27466 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  RSA774721  Artemisia ludoviciana subsp. albula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4454 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR118807  Artemisia vulgaris O. F. Clarke 2000-12-9 s.n. Riverside Peninsular Range, Riverside, in yard of O.F. Clarke residence at 266 Frost Court 360 Comment
  RSA0040026  Asclepias albicans Duncan S. Bell, Evan Meyer 2014-4-1 6488 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  JEPS5077  Asclepias subulata W. L. Jepson 1928-4-23 12547 Riverside Shaver Well Colorado Desert Comment
  POM123014  Asclepias subulata Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA69916  Asclepias subulata F. W. Peirson 1935-4-17 11476 Riverside 30 miles north of Blythe. Comment
  CAS-BOT-BC482876  Asphodelus fistulosus A. C. Sanders; T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin region: Temecula, Long Cayon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  RSA180353  Aspidotis californica E. W. Lathrop 1960-6-7 4863 Riverside 14 miles W of Murrieta Comment
  RSA764524  Aster subulatus var. ligulatus Justin M. Wood 2010-9-8 2603 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  CAS-BOT-BC177294  Astragalus acutirostris Peter H. Raven 1958-5-5 12897 A Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  CLARK-A1528-450  Astragalus aridus Charlotte Stocks 1963-5-19 Riverside Coachella Valley Comment
  RSA3978  Astragalus aridus C. B. Wolf 1932-4-29 3116 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  RSA781912  Astragalus aridus Duncan S. Bell 2010-5-1 897 A Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR35036  Astragalus coccineus L. B. Ziegler 1969-4-20 337 Riverside San Jacinto Mtns, Pinyon Flats. 1250 Comment
  CAS-BOT-BC177731  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  SDSU7895  Astragalus douglasii H. Wedberg 1963-5-26 1069 Riverside Banning to Idyllwild road, at junction with road to Black Mountain Publ. Campgr. Lower Yellow Pine Forest. 1646 Comment
  CAS-BOT-BC178441  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  CAS-BOT-BC178448  Astragalus douglasii var. parishii E. K. Balls 1949-5-4 13482 Riverside Near Fuller Creek Camp Ground, San Jacinto mts. 1371 Comment
  CAS-BOT-BC178435  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9659 Riverside 0.3 miles west of Mountain Center, San Jacinto Mts. 1371 Comment
  SBBG133728  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  SEINET3409359  Astragalus insularis var. harwoodii G. Rink 2013-3-17 11855 Riverside About five miles west of Blythe, on the south side of the road south of the Blythe power plant 120 Comment
  RSA498233  Astragalus lentiginosus var. coachellae Robert M. Perkins, H. de Forest 1937-3-15 381 Riverside 26 miles west of Indio. Comment
  UC397174  Astragalus lentiginosus var. coachellae S. B. Parish 1919-3-26 19189 Riverside Whitewater Crossing , Whitewater Crossing (Colorado Desert) Comment
  CAS-BOT-BC187485  Astragalus leucolobus Philip A. Munz 1937-5-30 15134 Riverside Santa Rosa Peak 2407 Comment
  RSA107988  Astragalus mohavensis H. D. Ripley, R. C. Barneby 1944-4-7 3203 Riverside 10 mi. N of Cottonwood Sprs. [Springs?] 746 Comment
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Feb 19 2014
  RSA122248  Astragalus nutans Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA415715  Astragalus pachypus var. jaegeri H. M. Hall 1897-4-18 477 Riverside Beaumont Comment
  POM47792  Astragalus palmeri Mary F. Spencer 1918-3-4 743 Riverside Palm Springs. 137 Comment
  POM122364  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n Riverside South of Temecula. Comment
  POM202254  Astragalus pomonensis Marcus E. Jones 1933-4-5 s.n Riverside Hemet. Comment
  RSA25610  Astragalus pomonensis C. B. Wolf 1941-6-29 10926 Riverside 2 4/10 mi. W of Dripping Springs Forest Service Camp on Rd. between Aguanga & Temecula. 457 Comment
  UCR4138  Astragalus pomonensis Ronald M. Cope 1965-3-12 s.n. Riverside Riverside, c. 100 yards below where Gage Canal goes underground after having crossed Le Conte Drive 259 Comment
  POM13388  Astragalus sabulonum E. C. Jaeger 1922-3-18 s.n Riverside Sands E of Mecca. Comment
  RSA482797  Athysanus pusillus Christopher Davidson 1973-4-1 1822 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  UCR126442  Athysanus pusillus T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 67 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  CLARK-A1656-677  Atrichoseris platyphylla Milton Walker 1978-3-23 Riverside Mecca 269 Comment
  SBBG104632  Atrichoseris platyphylla T. Glenn 1991-5-2 91 -19 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  UCR111990  Atrichoseris platyphylla A. C. Sanders, T. B. Salvato 2000-4-27 23371 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 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
  UCSB9759  Atrichoseris platyphylla Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mtns., 1.5 mi. S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 609 Comment
  SEINET8734641 Image available Atrichoseris platyphylla Helen K. Sharsmith 1952-1 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well 579 Comment
  RSA557354  Atriplex argentea Julie Greene 1993-6-11 1368 Riverside North of new pond. 441 Comment
  POM575925  Atriplex argentea subsp. expansa Steve Boyd, D. L. Banks 1994-9-29 8365 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  SBBG133572  Atriplex canescens S. D. White, A. Carey, L. Archa 2004-8-5 10685 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UCR199698  Atriplex canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10685 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR9132  Atriplex canescens Frank C. Vasek 1969-10-14 s.n. Riverside Riverside, at intersection of Watkins Road and Hwy 395 freeway Comment
  LA204701  Atriplex canescens subsp. canescens Norman C. Cooper; 1943-10-9 954 Riverside Hemet 304 Comment
  RSA760983  Atriplex canescens subsp. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 145 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA5448  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
  UCR274804  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-3-27 040 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  UCSB22915  Atriplex lentiformis Wheeler, Louis 1931-11-27 Riverside 3 mi. SE Salton bench mark -76 Comment
  UCR25333  Atriplex muelleri John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  RSA598396  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams. Comment
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Mar 20 2011
  RSA450605  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Thousand Palms oasis, in the Indio Hills, Coachella Valley. 168 Comment
  RSA0038512  Atriplex suberecta R. E. Riefner Jr. 2012-3-31 12 -64 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  RSA572983  Atriplex suberecta Steve Boyd 1986-4-19 1721 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Road. Comment
  UCR93049  Atriplex suberecta Steve Boyd 1986-4-19 1721 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR201872  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  OBI32772  Avena barbata E. W. Lathrop 1959-4-26 4497 Riverside 14 W of Murrieta; Tenaja Plateau Comment
  UCR104080  Avena fatua A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20649 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  VVC547  Avena fatua A. C. Sanders, J. Mac 1997-5-4 20649 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SDSU13513  Azolla filiculoides W. Miller 1972-8-9 Riverside 75 m. north of road. Comment
  UCR146486  Azolla filiculoides Scott D. White, Angelia Carey 2004-9-16 10762 Riverside San Jacinto Mountains foothills, Indian Creek; (Lake Fulmor) 567 Comment
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Aug 22 2020
  RSA595736  Baccharis brachyphylla L. C. Wheeler 1966-10-15 8984 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  UCR262331  Baccharis brachyphylla Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6037 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs Wash, c. 3 air mi west of Corn Springs, and c. 0.5 air mi south of Aztec Well 659 Comment
  CAS-BOT-BC106734  Baccharis salicifolia Steve Boyd; Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon Comment
  RSA556482  Baccharis salicifolia Julie Greene 1993-3-13 1020 Riverside On the berm between the western ponds 440 Comment
  SEINET10670882  Baccharis salicifolia Greg Gust, Leith Nye 2005-3-10 Gust 535 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  SEINET899225  Baccharis salicifolia H. K. Wagnon 1944-1 313 Riverside About 100 yds. S. of Trading Post, Palm Canon Comment
  RSA93169  Baccharis salicifolia F. W. Peirson 1920-2-15 2316 Riverside Palm Springs, Tahquitz Camp. Comment
  CAS-BOT-BC106671  Baccharis salicina I. M. Johnston 1917-12-1 1811 Riverside Chino Creek south of Ontario 152 Comment
  OBI37442  Baccharis salicina Oscar F. Clarke 1970-10-28 Riverside Botanic Gardens of the Univ. of CA, Riverside Comment
  UCR4362  Baccharis salicina O. F. Clarke 1970-10-28 s.n. Riverside Riverside, Botanic Gardens of the University of California, Riverside 396 Comment
  UC1118927  Baccharis sarothroides R. St. John 1931-1-20 174 Riverside Mt. Rubidoux Elsinore Quad., Santa Ana River 274 Comment
  IRVC510  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-1 SJ 160 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  RSA117705  Baccharis sergiloides S. Carlquist 1958-3-30 430 Riverside Along Morongo Valley to Lucerne Valley Road, on San Bernardino - Riverside County line Comment
  UCR84596  Baccharis sergiloides Scott D. White, S. Ogg 1994-4-21 1963 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA252707  Bacopa monnieri J. T. Gordon 1974-11-16 775 Riverside forming small mounds in damp soil along Colorado River at Agnes Wilson Rd. 104 Comment
Read comments
Jun 12 2020
  CAS-BOT-BC295893  Bahiopsis parishii Javier Penalosa 1963-4-11 2807 Riverside Pines to Palms Hwy. (#74) above Palm Desert 762 Comment
  CAS-BOT-BC295900  Bahiopsis parishii B. D. Stark 1932-6-15 3742 Riverside Colorado Desert. Eagle Mts., above Utopia 228 Comment
  CAS-BOT-BC99951  Baileya pauciradiata John Thomas Howell 1928-3-11 3435 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  JEPS34796  Baileya pauciradiata L. M. Newlon 1922-4-8 423 Riverside e of Palm Springs Comment
  POM350660  Baileya pauciradiata George B. Grant 1906-4-20 6709 Riverside Palm Springs. Comment
  UC665908  Baileya pauciradiata Ira L. Wiggins 1941-3-27 9687 Riverside 8 mi ne of, s end of Coxcomb Mts. Desert Center; Coxcomb Mountains Comment
  UCR33559  Baileya pauciradiata Faulkner 1978-3-30 398 Riverside Sonoran (Colorado) Desert, sand dunes between Riverside and Big Maria Mtns. 11 mi south of Vidal 198 Comment
  RSA301938  Baileya pleniradiata J. R. Shevock 1971-5-8 1049 Riverside Near White Tank, Joshua Tree National Monument 1220 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
  CAS-BOT-BC16366  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail. 853 Comment
  CLARK-A1528-2193  Bebbia juncea John C. Roos 1946-11-28 3176 Riverside Eagle Mountains Comment
  POM21054  Bebbia juncea George Henry Grinnell 1928-7-25 s.n. Riverside San Jacinto Road Comment
  RSA335013  Bebbia juncea Steve Boyd 1985-7-23 1021 Riverside Santa Ana Mtns., Santa Rosa Plateau De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  RSA92398  Bebbia juncea F. W. Peirson 1920-12-28 5282 Riverside Murray Canyon near Palm Springs Comment
  UCR260869  Bebbia juncea A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41563 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., lower Horsethief Canyon Wash just above DePalma Rd. crossing, 1/4 mile NW of Horsethief Canyon Rd. junction 375 Comment
  CAS-BOT-BC100112  Bebbia juncea var. aspera L. R. Abrams 1926-3-26 11058 Riverside Palm Springs to Palm Canyon Comment
  CAS-BOT-BC100131  Bebbia juncea var. aspera W. L. Jepson 1912-10-22 5249 Riverside Blythe Intake, Palo Verde Valley 137 Comment
  CAS-BOT-BC100138  Bebbia juncea var. aspera Joy Keck 1935-4-15 3838 Riverside Lower Morongo Canyon Comment
  CAS-BOT-BC100145  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2720 Riverside Tahquitz [Canon] Canyon Comment
  JOTR31818  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA604715  Bebbia juncea var. aspera L. C. Wheeler 1961-10-8 7932 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  UC604870  Bebbia juncea var. aspera Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi below Cottonwood Springs Comment
  SEINET3862253  Beloperone californica Sears 1978-3-18 949 Riverside 10 mi. SW of Desert Center, 8 mi S of Interstate 10 on Red Cloud Road following mining Railroad Wash area.; 0 457 Comment
  SEINET3862254  Beloperone californica D. W. McNeal 1975-4-18 1561 Riverside Above Palm Desert on Hwy. 74, 19.2 mi. E of its jct. with Hwy. 71.; 0 Comment
  RSA0048237  Beloperone californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well. Comment
  CAS-BOT-BC75537  Berberis dictyota Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-25 261 Riverside Santa Rosa Mountain road above Palms-to-Pines Highway. 1371 Comment
  POM172733  Bernardia incana M. French Gilman 1930-4-6 9 Riverside [Monsen] Canyon, Eagle Mts. Comment
  UCSB38716  Bernardia myricifolia Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy. 74 from jct. with Hwy. 111 at Indian Wells 950 Comment
  UCR109637  Berula erecta T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  SDSU11523  Bloomeria crocea H. Wedberg 1962-5-23 937 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita river and Temecula Canyon. 366 Comment
  SEINET3884830  Bloomeria crocea Steve Boyd, Timothy S. Ross 1990-5-11 4617 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79.; 0 549 Comment
  UC3232  Bloomeria crocea H. M. Hall 1901-6-1 2101 Riverside San Jacinto Mountains; s side 1463 Comment
  SEINET8466124 Image available Bloomeria crocea B. Fuchs 1968-5-15 12 Riverside Riverside County, California HWY 71, southwest of Lake Elsinore Comment
  CAS-BOT-BC16091  Boechera californica H. M. Hall 1897-6-17 653 Riverside South side of the San Jacinto Mountains. 1676 Comment
  CAS-BOT-BC16260  Boechera glaucovalvula Annie M. Alexander; Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument. 1249 Comment
  LA90280  Boechera parishii Arnold Menke; 1955-4-28 sn Riverside Hemet Valley, S side of road Comment
  SD1495  Boerhavia coccinea Fidella G. Woodcock 1926-3-10 Riverside San Jacinto Mt., Palm Canyon Comment
  UCR167837  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR225153  Boerhavia coccinea Steve Boyd, Gary Wallace 2005-7-30 11657 B Riverside Peninsular Ranges; San Jacinto Mountains region, Chino Canyon, southern base of the range, upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  RSA0106725  Boerhavia coulteri Duncan S. Bell 2011-9-30 2937 A Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA40563  Boerhavia triquetra J. C. Roos 1946-11-29 3178 Riverside south foot of Eagle Mountains, east of Hayfields Comment
  JOTR32409  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  CAS-BOT-BC434549  Boerhavia wrightii Schellinger 1904-10-15 s.n. Riverside Plack [Black] Point, Palo Verde Valley Comment
  RSA0106750  Boerhavia wrightii Duncan S. Bell 2011-9-30 2937 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA780242  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-12 99 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  SEINET4207419  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  RSA484738  Bothriochloa barbinodis A. C. Sanders, E. J. Lawlor 1988-10-22 8724 Riverside Santa Rosa Mountains Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  LA11372  Bouteloua barbata S. B. Parish; 1912-6-28 8102 Riverside Salton Basin Comment
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Mar 1 2014
  RSA157925  Bowlesia incana P. A. Munz 1927-5-21 10846 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  SBBG128734  Bowlesia incana A. C. Sanders, T. W. Chumley 2013-3-29 40714 Riverside Elsinore Area; Alberhil, Lake St near bridge over Temescal Wash between Temescal Cyn Rd and I-15 Fwy 380 Comment
  SD152971  Bowlesia incana Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7336 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downsteam to confluence with Tenaja Canyon. 365 Comment
  UCR149061  Bowlesia incana Michael L. Fugate 2005-2-18 s.n. Riverside Coyote Hill SE of UC Riverside campus, lower slopes of hill with Bench Mark Versity 366 Comment
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Mar 27 2013
  UC604848  Brandegea bigelovii Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi from Cottonwood Springs (n end of Pinto Basin); Pinto Basin Comment
  SEINET8710942 Image available Brassica fruticulosa A. C. Sanders 2008-1 34418 Riverside Peninsular Range: Box Springs Mtns.; Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  UCR59917  Brassica nigra Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, University of California agricultural experimental farms, c. 1/2 mi south of Alessandro Blvd at NE corner of Cactus Avenus and Nason Street Comment
  UCR250213  Brassica rapa A. C. Sanders 2014-4-23 41063 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.1 km NW of Hwy 74 387 Comment
  CLARK-A1528-2426  Brassica tournefortii Charles S. Papp 1964-5-22 470 Riverside Riverside Comment
  NY43448  Brassica tournefortii C. R. Annable 1995-3-9 2257 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA663849  Brassica tournefortii C. R. Annable 1995-3-9 2257 Riverside ca. 13km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  RSA678269  Brassica tournefortii V. Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1079 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  SD187379  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  CLARK-A1528-174  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Badlands 609 Comment
  RSA191409  Brickellia californica E. W. Lathrop, R. F. Thorne 1967-9-26 6617 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UC527701  Brickellia desertorum C. B. Wolf 1931-10-14 Riverside 1/2 mi below the Fish Hatchery (n base of San Jacinto Mts., Snow Creek); Snow Creek 548 Comment
  JOTR32320  Brickellia incana Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  SBBG55589  Brickellia incana D. Keil 1980-6-20 14062 Riverside Box Cyn Rd exit from Interstate 10 487 Comment
  JOTR01241  Brickellia incana Cole, James E. 1941-6-14 885 Riverside Joshua Tree National Park. QUAIL WASH 1066 Comment
  POM12856  Brickellia oblongifolia var. linifolia Philip A. Munz 1922-6-26 5824 Riverside Road to Santa Rosa. 1829 Comment
  UC30715  Brickellia oblongifolia var. linifolia H. M. Hall 1901-6-1 2142 Riverside San Jacinto Mountains Comment
  RSA191993  Brodiaea coronaria E. W. Lathrop 1960-5-27 5209 Riverside 6 miles west of Murrieta. Comment
  UC219285  Brodiaea filifolia P. A. Munz and I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris 441 Comment
  UCR191205  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 929 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  SD132493  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside City of Riverside; in yard at 422 Campus View Drive; beside vegetable garden in right-of-way behind house Comment
  RSA0014445  Bromus diandrus Justin M. Wood 2010-3-4 1418 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  SD232570  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats; 1100 Comment
  CAS-BOT-BC155601  Bromus grandis Scott D. White 1996-8-1 4442 Riverside San Jacinto Mountains. Idyllwild area. North of Strawberry Valley, between Bear Trap Canyon and Lily Creek. 1615 Comment
  UCR102876  Bromus hordeaceus A. C. Sanders 1997-3-26 20133 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR172226  Bromus hordeaceus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UC1537243  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 68 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  RSA326150  Bromus orcuttianus var. hallii John F. Emmel 1981-6-21 785 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  RSA0021329  Bromus tectorum Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4655 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  UCR85641  Bromus tectorum A. C. Sanders 1993-4-5 13689 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
  UCR2253  Bromus tectorum var. nudus F. M. Reed 1920-6-14 4443 Riverside San Jacinto Mountains, Open places in Strawberry Valley 1646 Comment
  JOTR30670  Bromus trinii Andre, Jim, Tasha La Doux 2008-3-21 8832 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  SBBG133350  Caesalpinia gilliesii S. D. White, A. Carey 2004-7-2 10577 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  RSA653708  Caesalpinia virgata Scott D. White 2000-3-27 7640 Riverside Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry. 46 Comment
  RSA799249  Caesalpinia virgata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 729 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UC555386  Caesalpinia virgata H. L. Mason 1928-3-10 Riverside Coachella Mts., Hidden Springs Canyon Comment
  UC635494  Calandrinia ambigua Frank W. Peirson 1926-2-22 6512 Riverside rocky hills along summits 1000-Palm Canyon 152 Comment
  UC82886  Calandrinia ambigua S. B. and W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  UCR116855  Calandrinia ciliata A. C. Sanders, Steven R. Hill 2001-5-4 24138 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR20863  Calandrinia ciliata Steve Boyd 1980-1 s.n. Riverside Perris Basin, Motte Reserve; rocky hills 2.5 mi NW of Perris 518 Comment
  UCR225576  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38873 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  CAS-BOT-BC85773  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA33865  Calocedrus decurrens N. C. Cooper 1943-9-11 908 Riverside Dr. Robert L. Rutherford's Lot, Idlewild, 1676 Comment
  RSA482011  Calocedrus decurrens Richard Noyes, Laurel Arnseth 1988-9-10 722 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild 1875 Comment
  RSA262119  Calochortus albus E. W. Lathrop 1973-5-28 7501 Riverside Main Divide Truck Trail beween El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC488543  Calochortus concolor Philip A. Munz; P. C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  RSA377364  Calochortus invenustus E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild. 1616 Comment
  RSA5545  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  UC729899  Calochortus invenustus Carl B. Wolf 1932-8-5 Riverside on trail from Tahquitz Valley to San Jacinto Peak (fork of Tahquitz Creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  JOTR31095  Calochortus kennedyi var. kennedyi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2259 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  UCR189802  Calochortus plummerae Amy Rowland 2007-6-19 078 Riverside Peninsular Range, San Jacinto Mountains Region, San Jacinto Moutnains, off of Hwy 74 c. 1.75 mi west of intersection of Hwy 74 and Hwy 243 1239 Comment
  UCR240269  Calochortus plummerae Theresa Johnson 2010-6-16 s.n. Riverside San Jacinto Mtns. Foothills, Potrero Canyon 701 Comment
  SBBG54316  Calochortus splendens C. Davidson 1977-5-25 5652 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR168414  Calochortus splendens Gale Sphon 1959-5-2 325 Riverside Peninsular Ranges; Santa Ana Mountains region, Cleveland National Forest, between Upper and Lower San Juan Camps, 'Orange County 488 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
  UCR62662  Calochortus weedii var. intermedius Gary Bell 1990-6-27 s.n. Riverside hills c. 0.75 mi west of Crown Valley, NW of Rawson Canyon 762 Comment
  RSA68622  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2180 Riverside Grade south of Temecula River, going toward Dripping Spring 427 Comment
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR120172  Calystegia macrostegia subsp. intermedia Mitch Provance 1998-2-28 122 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  UCR57202  Calystegia sepium subsp. binghamiae Marlene Braun 1989-5-28 39 Riverside Hidden Valley Wildlife Refuge, entrance at the end of Mann Ave. in Mira Loma. Follow dirt trail 1/4 mi S to river bottom 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
  CLARK-A1528-655  Camissonia boothii Charlotte Stocks 1964-4-20 Riverside Coachella Comment
  UCR166535  Camissonia boothii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10897 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA465963  Camissonia boothii subsp. condensata M. B. Dunkle 1932-3-25 2910 Riverside Cabazon. Colorado desert. 457 Comment
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Nov 3 2011
  UCR148336  Camissonia brevipes John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  JOTR31006  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA586795  Camissonia californica D. L. Banks, Steve D. Boyd 1995-5-3 233 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
  VVC330  Camissonia californica W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  UC217888  Camissonia campestris subsp. campestris P. A. Munz and I. M. Johnston 1922-5-7 5255 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  RSA651689  Camissonia cardiophylla Viki Cruz 1983-5-8 013 *k Riverside Collected at the end of a one mile dirt road off Indian Trail Road at the base of Magnesia Canyon, Santa Rosa Mts. Comment
  CLARK-A1528-3324  Camissonia chamaenerioides John C. Roos 1949-4-11 4235 Riverside Chuckwalla Mountains Comment
  RSA145195  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1959-1-17 58 -16 (17) Riverside 20 miles west of Blythe. Comment
  UCR196373  Camissonia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR104923  Camissonia confusa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20659 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR133380  Camissonia confusa Mitch Provance, J. S. Ross 1998-3-27 MOR- 993 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR35217  Camissonia confusa L. B. Ziegler 1969-4-22 356 Riverside San Jacinto Mtns., Hemet Valley. On lower slopes of hills in E side of valley. 1433 Comment
  RSA735858  Camissonia hirtella Scott D. White, Justin M. Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UCR182438  Camissonia hirtella Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  UCR87983  Camissonia ignota Karin Cleary 1992-4-6 115 Riverside near top of ridge west of California St., [Reinhardt Canyon] Hemet 610 Comment
  UCR177151  Camissonia pallida Scott D. White, Michael Honer 2003-4-25 9092 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  RSA33885  Camissonia pallida subsp. hallii N. C. Cooper 1945-5-24 1645 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
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May 13 2011
  POM3233  Camissonia pallida subsp. pallida I. M. Johnston 1917-4-4 1110 Riverside Palm Canyon, near Palm Springs. Comment
  RSA34606  Camissonia pallida subsp. pallida N. C. Cooper 1944-4-23 1157 Riverside Banning. 701 Comment
  JOTR31936  Camissonia refracta La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2174 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  RSA676263  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC1186510  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -10 Riverside 2 mi w Desert Center Comment
  UC1546707  Camissonia refracta Barry A. Prigge 1988-2-21 7850 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  POM302488  Camissonia strigulosa J. C. Roos 1943-8-8 2703 Riverside Dry flat, Hall Canyon, San Jacinto Mts. 1768 Comment
  RSA162861  Camissonia strigulosa J. D. Olmsted 1959-4-10 348 Riverside Along Hwy. 60-99 [Hwy 10] near Cabazon; Mt. Range: San Gorgonio Pass; Drainage area: Whitewater River. 671 Comment
  RSA449955  Camissonia strigulosa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  UCR167078  Camissonia strigulosa Scott D. White 2005-3-29 10849 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
  UCR178015  Camissonia strigulosa Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 022 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR174564  Camissoniopsis hirtella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 342 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UC635401  Camissoniopsis pallida subsp. pallida H. L. Mason 1928-3-10 4234 Riverside near Indio Comment
  CLARK-A1528-350  Capsella bursa-pastoris Joe Buriel 1966-2-26 Riverside Lake Matthews 457 Comment
  CAS-BOT-BC17704  Carex alma S. B. Parish; W. F. Parish 1882-4-1 1572 Riverside Agua Caliente [Palm Springs]. Comment
  SEINET3898819  Carex barbarae Steve Boyd, Tim Ross 1990-5-11 4663 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
  SEINET7484334 Image available Carex bolanderi P. Zika, N. Otting, K. Kramer 2010-1 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  POM6821  Carex multicostata Phillip A. Munz, L. T. Street 1919-5-7 2742 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
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Jul 2 2008
  RSA5222  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  CAS-BOT-BC119864  Carex nebrascensis Peter H. Raven 1958-5-17 12963 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  RSA544377  Carex praegracilis Steve Boyd, Timothy S. Ross 1991-6-14 3692 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
  SEINET7574126 Image available Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek. 1500 Comment
  RSA192147  Carex schottii H. A. Zuill 1966-4-1 111 Riverside About 10 miles WSW of Murrieta, Tenaja Canyon,. Comment
  CHSC106609  Carex senta P. F. Zika; Nick Otting 2010-8-3 25243 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  POM14314  Carex subfusca Phillip A. Munz 1922-7-6 6040 Riverside Summit of San Jacinto Peak. 3293 Comment
  UC2030051  Carex subfusca Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38118 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  UC1792818  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-6 26558 Riverside San Bernardino Valley Region: Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon, near intersections of Canyon Crest Dr. and University Ave 320 Comment
  SEINET949244  Cassia eremophila Miles Fellows 1985-1 67 -182 Riverside Cultivated at the UCR Botanical Garden. Comment
  SEINET10476947  Castanopsis sempervirens David B. Dunn 1946-8-16 Dunn 2674 Riverside Jolly springs ravine on trail up devil's slide. San jacinto mts. Comment
  HSC82838  Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca 0.5 mi. SW of the pumping station 412 Comment
  UC1967956  Castela emoryi Duncan S. Bell 2009-10-10 505 Riverside Arica Mountains east side of mountains range Arica Mountains (west side of Rice Valley; approximately 5 air miles southeast of the ghost town of Rice.) 210 Comment
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  RSA0010918  Castilleja densiflora subsp. gracilis Daphne K. Christopher, Hannah Stevens 2003-4-8 122 Riverside Santa Rosa Plateau Nature Conservancy Preserve. 556 Comment
  RSA775231  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  UCR139396  Castilleja exserta P. A. Munz 1932-3-24 12016 Riverside Santa Ana River Valley/Santa Ana Mtns. Foothills, Corona 366 Comment
  RSA648202  Castilleja exserta subsp. exserta Glenda Long 1981-4-11 8 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  POM307282  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2137 Riverside Santa Rosa Mountains. Comment
  POM4315  Castilleja foliolosa L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  POM43759  Castilleja linariifolia Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  RSA783631  Castilleja martinii J. D. Olmsted 1962-5-3 3527 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA0103096  Castilleja minor subsp. spiralis Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8544 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC885440  Castilleja minor subsp. spiralis Crawford and Johnston 1917-6-9 1222 Riverside near Corona; Santa Ana River Comment
  UCR44203  Caulanthus hallii A. C. Sanders 1986-6-1 6555 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR37466  Caulanthus heterophyllus Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  CAS-BOT-BC40269  Caulanthus lasiophyllus P. A. Munz; L. F. Street 1919-5-7 2739 Riverside Tahquitz Canyon. 228 Comment
  SBBG70228  Caulanthus lasiophyllus M. N. Ackley 1927-3-13 142 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  UC218114  Ceanothus cordulatus P. A. Munz 1922-7-7 6059 Riverside North Fork of Taquitz Creek San Jacinto Mts. 2194 Comment
  RSA575071  Ceanothus crassifolius Steve Boyd 1981-3-4 575071 Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC494719  Ceanothus crassifolius Philip A. Munz 1932-3-24 12028 Riverside s Lake Elsinor (base of mts.) 365 Comment
  UCR59684  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2972 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR92707  Ceanothus crassifolius A. C. Sanders, O. F. Clarke 1996-4-13 18030 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  CAS-BOT-BC49183  Ceanothus cuneatus Carl B. Wolf 1941-8-12 11144 Riverside San Jacinto Moutains, 4 mi. so. of Idylwild on road to Tauquitz Lodge 1371 Comment
  RSA575062  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -g Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC1018192  Ceanothus cuneatus var. cuneatus J. Warren 1952-5-25 Riverside w Idylwild 1371 Comment
  HSC88837  Ceanothus greggii T'ai Roulston, Robin Bencie, Rich Dwerlkotte 1989-3-22 112 Riverside 2 mi N of Anza-Borrego State Park in Nicholias Canyon 1300 Comment
  CAS-BOT-BC51283  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above Fish Hatchery 792 Comment
  UCR182565  Ceanothus leucodermis Andrea Salzman 2006-5-16 115 Riverside Peninsular Range, Silverado site, Durasno Valley 1346 Comment
  CHSC8459  Ceanothus megacarpus var. megacarpus Edward Laidlaw Smith 1958-3-6 351 Riverside Coldwater Canyon, Glen Ivy, on Temescal Canyon Road. Santa Ana Mt. Range. Temescal Creek drainage area. 762 Comment
  RSA160404  Ceanothus oliganthus J. D. Olmsted 1959-4-17 410 Riverside Skyline Drive 8 mi. SW of Corona. 793 Comment
  RSA95353  Ceanothus oliganthus F. W. Peirson 1931-5-30 9380 Riverside Along Glen Ivy Trail to Santiago Peak, Santa Ana Mts. 762 Comment
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Oct 1 2011
  RSA586047  Ceanothus oliganthus var. oliganthus D. L. Banks, S. D. Boyd 1995-3-16 99 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  UC1070901  Ceanothus oliganthus var. oliganthus A. Lewis May 1934 412 Riverside Trabuco Canyon Elsinore quad., Cleveland Nat. For. 1371 Comment
  HSC84007  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail 473 Comment
  RSA606752  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27414 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
  CAS-BOT-BC51916  Ceanothus perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles North-West of Lake Fulmore, San Jacinto Mountains Comment
  SEINET13946104 Image available Ceanothus tomentosus Lewis S. Rose 1949-1 49073 Riverside 2 mi. south of Temecula 366 Comment
  CDA7295  Centaurea X pouzinii H. Grady, V. Austin 1970-7-28 Riverside Corona District. Southwest corner of Chandler Street & Archibald Avenue. 0 Comment
  UCR199619  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA644312  Centaurium venustum Scott D. White 1995-6-29 3401 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
  JEPS106965  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  SD224910  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp 1996-3-17 17983 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn., ca. O.5 km E of Palm Canyon Dr. on Bogert Trail. 163 Comment
  RSA405367  Cercidium floridum Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  RSA498419  Cercidium floridum H. de Forest 1924-3-28 sn Riverside Palm Springs. Comment
  NY43446  Cercidium floridum subsp. floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park Comment
  SD73403  Cercocarpus betuloides Nancy Ryan Zabriskie, Walter Zabriskie 1969-7-5 216 Riverside Near fire road beyond south end of Marion Ridge Rd., Pine Cove, Idyllwild. 1829 Comment
  UCR91601  Cercocarpus betuloides var. betuloides D. L. Banks, Steve Boyd 1995-3-16 0109 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, north of Wildhorse Peak, on the Wildhorse Trail 625 Comment
  RSA543201  Chaenactis artemisiifolia Steve Boyd 1991-5-2 6101 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
  CAS-BOT-BC276384  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SD28012  Chaenactis carphoclinia var. carphoclinia Carl B. Wolf 1932-4-29 3111 Riverside Eastern Colorado Desert. Blythe -- Rice Road. 9 miles south of Browns Well. 244 Comment
  RSA528101  Chaenactis fremontii Steve Myers 1991-4-15 91 -21 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UCD130323  Chaenactis fremontii James Henrickson 1963-3-29 1203 Riverside 9 miles E of Mecca, along Highway 195. 182 Comment
  UCD81587  Chaenactis fremontii Chuck Hughes 2009-3-27 70 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  UCR260837  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41516 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  UCSC001454  Chaenactis fremontii Peter Kamb 1948-4-11 868 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  CAS-BOT-BC277403  Chaenactis glabriuscula var. glabriuscula Palmer Stockwell 1935-5-13 1223 Riverside 5 miles south of Temecula Comment
  POM351766  Chaenactis glabriuscula var. glabriuscula M. M. Thompson 1947-6-9 2086 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA278317  Chaenactis glabriuscula var. glabriuscula C. W. Tilforth, B. Busenberg 1979-5-18 1800 Riverside Alo Hwgy 243, 3.5 miles south of Banning at turn-off to Mt. Edna. Comment
  RSA613635  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 B Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  POM351785  Chaenactis glabriuscula var. glabriuscula Hutchinson s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC277555  Chaenactis glabriuscula var. lanosa H. M. Hall 1902-4-21 2933 Riverside Vicinity of Riverside 274 Comment
  CAS-BOT-BC100667  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa, Santa Rosa Mts. Comment
  RSA388777  Chaenactis parishii F. T. Sproul 1977-7-16 155 Riverside 1/2 way up trail to Garnet Pk. 1740 Comment
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Dec 3 2014
  UCR110979  Chaenactis parishii George K. Helmkamp 1998-6-27 4092 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UC667268  Chaenactis stevioides Annie M. Alexander and Louise Kellogg 1941-5-11 2154 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring 883 Comment
  UCR97750  Chaenactis stevioides Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  POM99022  Chaenactis stevioides var. stevioides E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  RSA38414  Chamaesyce albomarginata P. A. Munz 1946-10-21 11597 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  UC17622  Chamaesyce albomarginata H. M. Hall 1901-6-1 2151 Riverside e base San Jacinto Mountains (along borders of Colorado Desert) Comment
  RSA423515A  Chamaesyce arizonica B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  RSA600228  Chamaesyce maculata L. C. Wheeler 1960-5-9 7692 Riverside Colorado Desert. Mirage Ranch. Comment
  RSA0020040  Chamaesyce micromera Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6012 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA668235  Chamaesyce nutans A. C. Sanders 1994-11-8 15863 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  JOTR32295  Chamaesyce polycarpa Herskovits, Tasya, M. Harding, M. Wheeler 2011-6-22 6 Riverside Joshua Tree National Park. Eagle Mountains; .5 mile east of Pinto Basin road and north of southern park boundary; Open sandy bajada 553 Comment
  RSA0042831  Chamaesyce polycarpa Duncan S. Bell, Deidre Conocchioli 2014-3-18 6247 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  UC246680  Chamaesyce polycarpa S. B. Parish Apr 4 1896-Apr 13 1896 4143 Riverside Palm Springs (Agua Caliente) San Jacinto Mtn (base of mountain`) 152 Comment
  JOTR01095  Chamaesyce polycarpa Cole, James E. 1941-4-13 573 Riverside Joshua Tree National Park. PINTO BASIN; 1/2 MILE NORTH OF MEEK'S CABIN 609 Comment
  RSA778397  Chamaesyce polycarpa Amber Swanson 2011-10-9 654 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  POM259463  Chamaesyce polycarpa var. hirtella E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA731017  Chamaesyce setiloba Michael Wall 2008-4-26 455 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  CLARK-A1528-3573  Cheilanthes clevelandii John C. Roos 1937-6-7 1798 Riverside Sage Comment
  SEINET3869777  Cheilanthes clevelandii Steve Boyd, Laurel Arnseth; Timothy S. Ross 1990-3-30 3968 Riverside Vail Lake area, westerly draining cyn at N base of 'Big' Oak Mtn.; 0 640 Comment
  UCD169089  Cheilanthes clevelandii A. C. Sanders; Mitch Provance, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 915 Comment
  POM115608  Cheilanthes covillei A. M. Alexander, Louise Kellogg 1941-5-21 2211 Riverside Colorado Desert: north slope of Eagle Mountains 1280 Comment
  SEINET804427  Cheilanthes covillei Carl B. Wolf 1932-1 4277 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash at Riverside County line. 731 Comment
  SFV13136  Cheilanthes covillei M. J. Thor 1982-9-17 147 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UCR243567  Cheilanthes covillei Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21098 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UC2015694  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  POM9704C  Cheilanthes parishii W. F. Parish 1881-03 s.n. Riverside Andreas Canyon Comment
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Oct 27 2014
  CAS-BOT-BC70335  Cheilanthes parryi W. R. Dudley 1903-12-25 s.n. Riverside below the mouth of Tahquitz Canyon Comment
  UCR226998  Cheilanthes parryi Jim Andre 2011-2-2 16219 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  CAS-BOT-BC70380  Cheilanthes viscida Rateaver 1944-2-21 69 Riverside Tahquitz Canyon, Palm Springs Comment
  RSA0123693  Cheilanthes viscida Duncan S. Bell, LeRoy Gross 2016-3-30 9159 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA775310  Chenopodium Duncan S. Bell 2011-3-20 s.n. Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  RSA781298  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  UCR101395  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1998-9-29 22242 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR22147  Chenopodium berlandieri Steve Boyd 1980-7-20 337 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR4104  Chenopodium californicum Ronald M. Cope 1965-3-5 s.n. Riverside valley c. 50 yds. south of where Gage Canal goes underground after having crossed Le Conte Drive Comment
  JOTR01006  Chenopodium californicum Cole, James E. 1941-6-9 855 Riverside Joshua Tree National Park. STUBBY SPRING AREA 1371 Comment
  UCR265463  Chenopodium fremontii Jordan Zylstra 2014-8-17 14020 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  UCR115160  Chenopodium missouriense Mitch Provance 2000-10-14 2250 Riverside Jurupa Mountains, Belltown, SW side of Market St (Crestmore Rd.) at Bell Ave. 259 Comment
  RSA0108979  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 286 Comment
  UCSB50619  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  JEPS9180  Chilopsis linearis subsp. arcuata W. L. Jepson 1914-5-18 5999 Riverside Pinyon Well grade Pinyon Well grade Comment
  LA204144  Chilopsis linearis subsp. arcuata Louis Wheeler; 1933-12-1 2281 Riverside San Gorgonio Pass, San Gorgonio wash at S.P. RR 640 Comment
  UCD121650  Chilopsis linearis subsp. arcuata K. Esau 1935-6-20 s.n. Riverside Road to Beaumont. Comment
  JEPS58859  Chimaphila menziesii Carl V. Meyer 1929-1-4 687 Riverside San Jacinto Mts., Saunder's Meadow Comment
  UC21647  Chimaphila menziesii H. M. Hall June, 1901 Riverside San Jacinto Mts., Onstatt's Valley 1920 Comment
  SEINET3837934 Image available Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans road intersection E to I-215 Fwy (Romoland) 434 Comment
  CAS-BOT-BC184868  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside. At Citrus Experiment Station. 304 Comment
  RSA180372  Chlorogalum parviflorum E. W. Lathrop 1960-6-8 4938 Riverside 14 miles west of Murrieta Comment
  UCR87629  Chlorogalum pomeridianum A. C. Sanders 1994-5-30 14590 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CAS-BOT-BC191715  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-3-30 6527 Riverside 0.8 miles E of Cactus City, about 13 miles E of Coachella, near U.S. Highways 60 and 70. Colorado Desert 518 Comment
  JOTR16633  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR30088  Chorizanthe brevicornu var. brevicornu George K. Helmkamp 1983-4-5 483 26 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR18098  Chorizanthe coriacea O. F. Clarke 1967-5-2 s.n. Riverside Pigeon Pass in the Box Springs Mtns behind UC Riverside campus 610 Comment
  CLARK-A1528-727  Chorizanthe corrugata Charlotte Stocks 1966-4-10 Riverside Mecca Comment
  JEPS57630  Chorizanthe corrugata W. L. Jepson 1927-4-12 11667 Riverside Painted Canyon, Mecca Hills. Comment
  UCR97696  Chorizanthe fimbriata A. C. Sanders, G. Helmkamp 1997-3-15 19929 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 537 Comment
  SD134411  Chorizanthe leptotheca Craig Reiser 1990-5-31 Riverside Vail Lake Comment
  UCR35077  Chorizanthe leptotheca L. B. Ziegler 1967-6-19 162 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  RSA532561  Chorizanthe parryi var. parryi D. E. Bramlet 1991-5-9 2133 Riverside North Domenigoni Hills, 1 km. SE of the end of Warren Rd. In a saddle between Peak 733 m. Sec 31(west) and 728 in Sec. 30 (east). The population is found some 167 m. E of an existing dirt road. Comment
  UCR217550  Chorizanthe parryi var. parryi Diane Menuz 2008-3-24 377 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  UCR281786  Chorizanthe parryi var. parryi Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 103 Riverside Menifee Valley, Menifee, E side of Murrieta Rd., NE of intersection with Holland Rd. 463 Comment
  RSA588985  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley reserve/SE corner of Lake Skinner Co. Park. Site is saddle overlooking Upper Part of Long Canyon. approximpatly 488m. SE of the park entrance road and adjacent (N.) of the equestrian trail. 526 Comment
  UCR151369  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10408 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  UCR217497  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-7 042 Riverside Santa Ana Mtns, San Mateo Cyn (West), 1.1km west of Wildomar Rd., and 500m southwest of Tenaja Trail 655 Comment
  UCR97272  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 A Riverside Perris-Aguanga Basin, Shipley Reserve/SE cornor of Lake Skinner Co. Park 512 Comment
  UCR213548  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  RSA516896  Chorizanthe rigida Steve Boyd, Orlando Mistretta 1986-3-13 1412 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  CAS-BOT-BC36264  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak, between 1st and 2nd wet meadow 2743 Comment
  SBBG61607  Chrysolepis sempervirens M. Lewis 1947-8-26 14 Riverside E slope San Jacinto Mtns 274 Comment
  SD127315  Chrysolepis sempervirens Reid Moran 1973-7-28 21107 Riverside Summit of Toro Peak 2500 Comment
  POM183883  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1932-10-16 12842 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  POM352018  Chrysothamnus paniculatus L. C. Wheeler 1933-12-1 2288 Riverside 2 miles E Cabazon, San Gorgonio Pass 640 Comment
  JOTR35239  Chrysothamnus viscidiflorus subsp. viscidiflorus Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, below Eureka Peak Comment
  UCR269847  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42375 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SD49376  Chylismia cardiophylla subsp. cardiophylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  UCR279575  Chylismia claviformis A. C. Sanders, Jim Malusa 2017-3-28 43140 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
  CAS-BOT-BC160605  Chylismia claviformis subsp. aurantiaca Javier Penalosa 1963-4-10 s.n. Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  UC68521  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5835 Riverside near Mecca; Colorado Desert -30 Comment
  CAS-BOT-BC289649  Cirsium occidentale var. californicum R. M. Howie 1952-9-22 s.n. Riverside San Timoteo Canyon, west of Beaumont Comment
  SD143570  Cirsium occidentale var. californicum R. D. Goeden, D. W. Ricker 1979-5-8 Riverside San Jacinto Mountains, Bautista Creek Canyon, Bautista Road at Horse Creek crossing 854 Comment
  SEINET3102065  Cirsium occidentale var. californicum Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17365 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UC58857  Clarkia epilobioides H. M. Hall 1896-4-6 273 Riverside near Riverside; Box Springs Mt. Comment
  UCR174325  Clarkia epilobioides A. C. Sanders, T. B. Salvato 2006-6-2 33088 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
  POM10388  Clarkia purpurea subsp. quadrivulnera Charlotte M. Wilder 1904-5-14 s.n. Riverside Wilders Canyon, Jurupa Hills, Comment
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Jul 4 2010
  SD137708  Clarkia purpurea subsp. quadrivulnera Darin L. Banks, Steve Boyd 1995-5-9 383 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, North face of Agua Tibia Mountain, the Dorland Mountain area, West of the Dripping Springs Alcove area, West of Woodchuck Campground. 701 Comment
  UC20334  Clarkia purpurea subsp. quadrivulnera Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  UC58849  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1897 593 Riverside Riverside Comment
  RSA0120309  Claytonia parviflora subsp. parviflora Duncan S. Bell 2016-4-16 9318 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA741160  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2008-5-15 11996 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA772845  Claytonia parviflora subsp. parviflora Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4845 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
  RSA552733  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6754 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  SEINET273059 Image available Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-26 20113 Riverside Lake Skinner area; shallow valley at NW foot of Tucalota Hills. along dirt rd 0.65 mi E of main Lk. Skinner. UTM 10km c 460 Comment
  UC489133  Claytonia parviflora subsp. viridis C. V. Meyer Jun 1927 187 Riverside Saunder's Meadows; San Jacinto Mts. 1676 Comment
  RSA386290  Clematis pauciflora E. Crow 1929-3-17 199 Riverside Glen Ivy Hot Springs, Santa Ana Mts. 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
  SD187478  Collinsia concolor Scott D. White, Angelia Carey 2004-4-16 10160 Riverside San Jacinto Mountain foothills;Indian Creek and adjacent slopes 548 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA681027  Colubrina californica Scott D. White, Michael Honer 2003-5-14 9261 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG53832  Colubrina californica J. C. Roos 1967-11-11 Riverside Chuckwalla Mtns, 3 mi SE of Desert Center Comment
  UCR266404  Colubrina californica D. E. Bramlet 2001-6-4 3168 Riverside Sonoran (Colorado) Desert, 0.5 mile south of Eagle Mountain Substation, trestle area on Eagle Mountain Rd. 366 Comment
  UCR103729  Convolvulus simulans A. C. Sanders 1997-3-19 20029 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR67349  Convolvulus simulans Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4059 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  UCR37486  Conyza bonariensis Steve Boyd 1981-3-2 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  UCR90369  Conyza bonariensis Scott D. White 1995-6-30 3426 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA555204  Cordylanthus nevinii John F. Emmel 1983-9-17 892 Riverside San Jacinto Mts.; Idyllwild; on north-facing slope of West Ridge, 0.3 mile SSW of Camp Emerson. 1622 Comment
  UCR227603  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-15 1310 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and Forest Service Road 5S15 1063 Comment
  RSA80553  Cordylanthus rigidus subsp. setiger Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17282 Riverside 3 mi. W. of jct with road south from Idyllwild along Hwy 74. 1067 Comment
  CAS-BOT-BC288999  Coreopsis John H. Thomas 1957-3-30 6565 Riverside Joshua Tree National Monument. About 3 miles SE of White Tank near the road to Cholla Cactus Garden.About 20 miles NE of Indio 883 Comment
  RSA770693  Coreopsis californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4794 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET11856551  Coreopsis californica S. B. Parish, Parish, W. F. 1881-1 224 Riverside Whitewater Riv Comment
  POM230197  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6961 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  POM223247  Cornus nuttallii M. Canby 1936-5-3 s.n. Riverside North Fork of San Jacinto River above Fuller Mill Creek. Comment
  UCR127540  Coronopus didymus A. C. Sanders, T. B. Salvato 2003-5-21 26779 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
  SD204868  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55210 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
  UCR150443  Crassula connata John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  POM13127  Cressa truxillensis P. A. Munz, I. M. Johnston, I. M. Munz 1922-5-18 5326 Riverside 3 miles south of Elsinore Comment
  RSA480579  Croton californicus W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs 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
  RSA651889  Croton californicus David B. Dunn 1948-3-14 s.n. Riverside 5 mi. west of Thousand Palms. Comment
  UC303792  Croton californicus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert 228 Comment
  LA204863  Croton californicus Carl Epling; March 1927 s.n. Riverside Whitewater Pass, near Palm Springs. Comment
  SEINET3089925 Image available Croton wigginsii A. C. Sanders, Pitzer, Charlton, et al. 1986-3-8 6162 Riverside East Mesa, E end of Montgomery Road at the Coachella Canal, ca. 1 1/4 mile NW of Mammoth Wash crossing of the canal. 27 Comment
  SEINET9359277  Cryptantha Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  SEINET6971882  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA517912  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SBBG25605  Cryptantha angustifolia E. R. Blakley 1966-4-9 6756 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  SJSU11501  Cryptantha angustifolia C. K. Schroen 1964-5-24 Riverside by Hwy 89 c. 12 mi S of Mecca 60 Comment
  UCD119593  Cryptantha angustifolia 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. 15 Comment
  UCR214415  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37503 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR74378  Cryptantha angustifolia Theo Glenn 1991-5-1 91- 48 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  UCR85434  Cryptantha angustifolia George K. Helmkamp 1994-4-26 88 6 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  JEPS20702  Cryptantha barbigera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13245 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  SBBG87819  Cryptantha barbigera A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6116 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UCR275514  Cryptantha barbigera D. E. Bramlet 2010-3-1 4453 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR244416  Cryptantha barbigera var. barbigera Jim Andre 2012-4-16 20911 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR279559  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-29 43179 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UC169356  Cryptantha costata S. B. Parish 1913-2-28 8465 Riverside ne of Mecca; Salton Basin -60 Comment
  UC2013129  Cryptantha costata Neal Kramer 2012-3-24 2038 Riverside Approximately 15 miles of Blythe. Comment
  RSA796504  Cryptantha holoptera J. Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  CAS-BOT-BC168489  Cryptantha intermedia A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30040 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM145540  Cryptantha intermedia J. B. Feudge 1926-4-13 1845 Riverside Palm Springs, Colorado Desert. 152 Comment
  POM50382  Cryptantha intermedia W. W. Eggleston 1924-3-8 19530 Riverside Hemet. 480 Comment
  SBBG87945  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  UC78664  Cryptantha intermedia C. R. Orcutt Riverside Colorado Desert Comment
  UCR124217  Cryptantha intermedia S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR160881  Cryptantha intermedia T. B. Salvato, Kelly Volansky 2003-3-27 116 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  SEINET8546022  Cryptantha intermedia var. intermedia I. W. Clokey 1935-4-18 6761 Riverside Gavilan Mesa. 700 Comment
  RSA0075621  Cryptantha intermedia var. johnstonii J. Mark Porter, V. Soza, Gary Wallace 2001-4-2 12337 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  POM287672  Cryptantha maritima Lyman Benson 1933-3-31 4170 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA617205  Cryptantha maritima L. C. Wheeler 1953-3-31 7038 -b Riverside North slope at foot of limestone face which concentrated water by its runoff. Comment
  RSA799813  Cryptantha maritima D. M. Ray 2011-3-5 6 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  RSA80739  Cryptantha maritima F. W. Peirson 1935-4-17 11474 Riverside 30 miles north of Blythe. Comment
  SBBG104070  Cryptantha maritima A. C. Sanders, E. J. Lawlor 1992-4-4 12103 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  UCR244860  Cryptantha maritima Jim Andre 2012-3-19 21381 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR42397  Cryptantha maritima J. M. Stewart 1986-1-20 86 5 Riverside Sonoran (Colorado) Desert, Divide between the Mecca Hills and the Orocopia Mtns. Comment
  RSA543602  Cryptantha microstachys Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6134 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA586298B  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-3 0209 B 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
  UCR20701  Cryptantha microstachys A. C. Sanders 1980-5-14 1458 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UCR22028  Cryptantha microstachys Steve Boyd 1980-5-3 172 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR68609  Cryptantha muricata Steve Boyd, D. E. Bramlet 1990-4-29 4477 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  UCR216112  Cryptantha nevadensis Jim Andre, T. La Doux 2009-2-25 10807 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR88427  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose 1995-4-5 16350 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR82835  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UC280507  Cryptantha simulans C. M. Wilder 1909-7-14 962 Riverside Strawberry Valley and trail above Strawberry Valley Comment
  JOTR34279  Cryptantha utahensis La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3294 Riverside Joshua Tree National Park. Little San Bernardino Mtns; ridge just south of Quail Mountain peak; N-facing steep slope (stop 5) Comment
  UC857297  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5856 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  UCR48398  Cryptantha wigginsii Steve Boyd 1986-5-1 1797 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA502188  Cucurbita foetidissima Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3714 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR271362  Cucurbita foetidissima A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42465 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 canyon south of the lab near old original house site 475 Comment
  RSA409709  Cuscuta californica I. M. Johnston 1917-6-5 1255 Riverside Hills south of Arlington 366 Comment
  UC1292594  Cuscuta californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23076 Riverside 8 mi se Corona (along road to Elsinore) Comment
  CAS-BOT-BC224603  Cuscuta californica var. papillosa Lewis S. Rose 1945-12-27 45331 Riverside Colorado Desert. Cathedral City 152 Comment
  POM158459  Cuscuta californica var. papillosa P. A. Munz 1970-5-21 10870 Riverside 10 miles S.W. of Cochulla Comment
  RSA0073879  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  UCR117106  Cylindropuntia californica var. californica A. C. Sanders, T. B. Salvato 2001-5-16 24310 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA0031143  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2013-3-20 17720 .2 Riverside 800m south of Smoke Tree Wash, 5.5km north of Cottonwood Spring, 40km NE of Indio. UTM datum in NAD83. Lat-Long datum in WGS84. 940 Comment
  SEINET4391054 Image available Cylindropuntia echinocarpa Marc A. Baker 2013-3-10 17669 .2 Riverside 900m north of Chiriaco Summit, 48 km east of Indio; Hay?eld 7.5' USGS topographic quadrangle 545 Comment
  SEINET716811  Cylindropuntia ramosissima R. Puente, G. and A. Puente-Reinhardt 1998-11-7 741 Riverside 1.5mi e of Chirico Summit Comment
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Jan 7 2016
  RSA795945  Cynanchum utahense Duncan S. Bell 2009-4-19 273 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA522103  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3796 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA544303  Cyperus eragrostis Steve Boyd 1991-7-13 6408 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  SDSU13536  Cyperus eragrostis W. Miller with C. Mosse 1972-7-20 Riverside 1/3 mi. upriver from beaver dam. Comment
  UCR92359  Cyperus esculentus Scott D. White, S. Ogg 1994-10-17 2469 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA653255  Cyperus involucratus Mitch Provance 2000-6-24 2058 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  UCR86031  Cyperus involucratus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  PASA617  Cyperus laevigatus Frank W. Peirson 1924-12-30 Riverside Thousand Palms Canyon 121 Comment
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Jun 24 2016
  RSA365098  Cyperus niger var. capitatus L. C. Wheeler 1933-12-2 2319 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  CAS-BOT-BC113965  Cyperus odoratus Frederick Morris Reed 1903-12-13 412 Riverside Bog above Bollingers Dam. Arroyo Chico. Comment
  OBI68606  Cyperus rotundus K. E. Hoffmaster Jul-58 s.n. Riverside Indio Comment
  UCR128307  Cystopteris fragilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8626 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  JOTR37057  Dalea mollis Hodges, Stephen R., E. Heck and A. Ingersoll 2015-9-24 612 Riverside Joshua Tree National Park. Pinto Basin, in sandy wash running west from Pinto Wells at the base of sand ramps and the Eagle Mountains Comment
  RSA498344  Dalea mollis Robert L. Dressler 1949-3-19 386 Riverside Box Canyon, Orocopia Mts. Comment
  UC68507  Dalea mollis H. M. Hall Apr. 1905 5956 Riverside <Paloverde> Colorado Desert, <Paloverde> 76 Comment
  LA11692  Dasyochloa pulchella Dr. Mathias; April 1956 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  RSA526086  Datisca glomerata Steve Boyd, Timothy S. Ross 1990-5-11 4659 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
  UC1532803  Datisca glomerata Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47299 Riverside along Tenaja Creek, Cleveland National Forest Tenaja Creek; Santa Rosa Plateau, Cleveland National Forest, Tenaja Creek Comment
  UCD107685  Datisca glomerata Charles B. Fiker 1946-6-17 3601 Riverside San Mateo Canyon, Fallbrook. Comment
  UCR161736  Datura discolor Mark A. Elvin 2005-4-26 4234 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  RSA773039  Datura wrightii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5043 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  RSA775442  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4444 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA192215  Daucus pusillus E. W. Lathrop 1965-4-26 5684 -b Riverside 4 miles southwest of Murrieta. Comment
  UCR26994  Daucus pusillus E. W. Lathrop 1966-5-8 6517 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  CAS-BOT-BC294107  Deinandra kelloggii A. C. Sanders 1993-5-17 14063 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 460 Comment
  UCR274529  Deinandra kelloggii Mitch Provance, Ken Halama 2003-6-15 17051 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCSB37787  Deinandra kelloggii Roos, John 1965-6-27 Riverside Reche Canyon; Riverside or San Bernardino County Comment
  RSA0025297  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca. 0.5 mi from Cottonwood Ave. and Sycamore canyon Blvd. 135 Comment
  RSA0126963  Deinandra paniculata R. E. Riefner 2017-5-17 17 -255 Riverside City of Lake Elsinore, W of I-15, N side of Nichols Road, about midway between Collier Ave. and Nichols Rd./Pierce St junction. 392 Comment
  SD148238  Deinandra paniculata A. C. Sanders, T. B. Salvato 2001-5-24 24365 Riverside Perris-Aguanga Basin region:Temecula, Long Canyon west of Del Rey Road, along bottom of canyon west of junction of Av. Pina Colada (mak 10/07) 345 Comment
  SD187346  Deinandra paniculata R. e. Riefner Jr. 2007-6-16 07 263 Riverside Hemet, Bautista Canyon, 2.8 miles east of Fairview Ave. on Bautista Rd. 693 Comment
  SEINET13709266  Delphinium parishii J. Adams, J. Adams (Botany) 1966-1 725 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  UC1537320  Delphinium parryi Gordon H. True Jr. 1935-3-18 126 Riverside Box Springs 365 Comment
  UCR167869  Delphinium parryi T. B. Salvato, John F. Green 2004-5-27 644 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
  RSA581749  Dendromecon rigida M. Wall 1995-4-13 98 Riverside San Jacinto Mountains, along Hwy 243, 6.95 miles south of Interstate 10 out of Banning, road pull out by dirt road, 1993 burn area. Comment
  RSA433244  Dendromecon rigida subsp. rigida E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains 1524 Comment
  UCD62783  Deschampsia danthonioides var. gracilis Alan A. Beetle 1946-6-10 4404 Riverside San Jacinto Mts., Camp Keene Meadow. Comment
  UC34041  Deschampsia elongata H. M. Hall 1901-7-17 2458 Riverside San Jacinto Mt., Tahquitz Creek 2133 Comment
  CAS-BOT-BC43352  Descurainia pinnata subsp. glabra Geo. B. Grant 1906-4-20 6767 Riverside Palm Springs. Comment
  JOTR34078  Descurainia pinnata subsp. ochroleuca La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2974 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
  RSA673478  Dicentra chrysantha Scott D. White, Tasha La Doux 2000-4-20 7680 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  RSA709071  Dicentra chrysantha T. B. Salvato, John Green 2004-5-27 704 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  SD52955  Dicentra chrysantha Peter H. Raven 1962-4-29 17485 Riverside Ortega Highway, 1.0 mile above its east base. 487 Comment
  UC455326  Dicentra chrysantha I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. Comment
  UCR176891  Dicentra chrysantha Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR98484  Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UCR21975  Dichelostemma capitatum subsp. capitatum Steve Boyd 1980-5-5 205 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA367527  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-4-8 1093 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  SEINET7040150  Dichelostemma congestum A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  RSA500991  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3110 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  CAS-BOT-BC292192  Dicoria canescens Alice Eastwood 1913-4-30 3110 Riverside Palm Springs Comment
  CAS-BOT-BC292202  Dicoria canescens John C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  RSA0112100  Dicoria canescens Duncan S. Bell 2009-8-15 434 Riverside East side of the Arica Mountains. 257 Comment
  RSA431199  Dicoria canescens J. C. Roos 1957-11-30 6659 Riverside 6 mi NW of Thousand Palms. 152 Comment
  UCR92770  Dicoria canescens F. M. Reed 1928-2-15 5707 Riverside Sonoran (Colorado) Desert, west of Edom along the highway 213 Comment
  RSA0043131  Dieteria asteroides John Wallace, Steve McNabb 1991-5-5 15 Riverside Palo Verde Dam. 20 yards west of outflow footbridge, 30 yards north of abandoned storage yard. Comment
  UC29875  Dieteria asteroides var. asteroides H. M. Hall Aug. 1901 2648 Riverside San Jacinto Comment
  UCD131261  Dieteria canescens var. canescens J. C. Roos 1965-10-5 s.n. Riverside Exact location unknown. Comment
  RSA688840  Dimorphotheca sinuata Scott D. White, Michael Honer 2003-6-17 9550 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  SD128720  Diplacus bigelovii var. bigelovii Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  SBBG14803  Diplacus clevelandii P. H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 mi S of Santiago Pk 1234 Comment
  SD53063  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak Comment
  RSA0019409  Diplacus fremontii John Olmsted 1958-6-15 178 Riverside May Valley Truck Trail, 2 mi. SE of Saunder's Meadow SW of Idyllwild (turn S from Idyllwid-Hemet Rd. at Idyllwild school). San Jacinto Mtn range, San Jacinto R. drainage. 1646 Comment
  SEINET8245386  Diplacus fremontii Wesley Griesel 1962-6-26 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC150876  Diplacus puniceus L. R. Abrams 1941-4-22 13876 Riverside Palomar School near Perris Comment
  SD248299  Distichlis spicata Peter Rubtzoff 1970-7-17 6285 Riverside 5 miles north of Sears Point (Sears Point 7.5'Q) 9 Comment
  UCR49400  Distichlis spicata Theo Glenn 1984-9-30 s.n. Riverside Sonoran (Colorado) Desert, N end of the Salton Sea, along a canal at the Whitewater River delta -67 Comment
  JEPS52447  Ditaxis californica Marjorie D. Clary 1933-1-29 1754 Riverside Deep Canyon, Santa Rosa Mts. 15 miles northwest of Indio 243 Comment
  GMDRC5837  Ditaxis claryana J. M. Andre 2013-3-27 24823 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  HSC24982  Ditaxis lanceolata R. W. Spjut 1972-2-1 2162 Riverside Colorado Desert, N base of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  POM10489  Ditaxis lanceolata Charlotte M. Wilder 1907-4-8 772 Riverside Near Palm Springs 152 Comment
  RSA644217  Ditaxis lanceolata V. W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1366 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. Along a small wash on north-facing slope. 182 Comment
  SBBG104636  Ditaxis lanceolata T. Glenn 1991-4-29 91 -62 Riverside McCoy Mtns, NW of Blythe; T5S, R20E, S 27 & 34 Comment
  SEINET7097941  Ditaxis lanceolata A. G. Vestal 1937-5-9 s.n. Riverside South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) Comment
  UCR5290  Ditaxis lanceolata O. F. Clarke 1966-10-5 661005- 06 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  JOTR29193  Ditaxis neomexicana La Doux, Tasha 2005-9-8 1306 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  RSA355177  Ditaxis serrata var. californica J. M. Stewart 1986-1-20 86 -3 Riverside Divide between Mecca Hill and Orocopia Mountains. Comment
  CAS-BOT-BC43649  Dithyrea californica N. Aitkenhead 1977-2-3 2212 Riverside North of Mule Mountains to south edge of sand dunes. 121 Comment
  RSA162746  Dithyrea californica John Olmsted 1958-3-29 79 Riverside Transtion zone with interior drainage into Pinto BAsin 10miles N of jct between Cottonwood Pass and Cottonwood Spring Roads on the former which has now becom Pinto Basin Road, Joshua Tree National Monument. 549 Comment
  RSA21755  Dithyrea californica C. B. Wolf 1937-4-6 8427 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA530747  Dithyrea californica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC412629  Dodecahema leptoceras A. G. Vestal 1937-5-10 s.n. Riverside 7.4 mi So of Hemet Comment
  UCR22108  Draba cuneifolia Steve Boyd 1980-5-15 271 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  POM13651  Drymocallis glandulosa var. glandulosa Philip A. Munz, I. M. Johnston 1922-5-21 5534 Riverside Hemet Valley, 1524 Comment
  RSA751925  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  UCR281582  Dudleya pulverulenta Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 114 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UC403455  Echinocereus engelmannii Munz and Keck 1922-4-11 5013 Riverside Chuckawalla Mts. Colo. Desert 457 Comment
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Oct 3 2011
  SEINET4890282 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .3 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west baseof San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  SEINET3928586  Echinochloa colona Sears 1977-10-13 S 605 Riverside Wiley's Well exit off Interstate 10 near Playa Lake.; 0 122 Comment
  POM365266  Echinochloa crus-galli S. B. Parish 1913-9-20 8616 Riverside Mecca. Salton Sink. 58 Comment
  POM148751  Echinodorus berteroi J. B. Feudge 1927-6-1 1621 Riverside Lake Mystic. Comment
  UCR47353  Echinodorus berteroi S. B. Parish 1891-11-3 2246 Riverside Peninsular Range, Elsinore Lake 381 Comment
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Aug 8 2010
  POM14374  Eleocharis bella Phillip A. Munz 1922-5-20 5472 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  SD144139  Eleocharis geniculata A. C. Sanders, P. MacKay et al. 1994-12-4 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity, edge of canal -29 Comment
  UCR154539  Eleocharis macrostachya Jason L. Hlebakos 2005-5-18 710 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  UCR45970  Eleocharis macrostachya Dave Thomason, T. Ganje 1986-9-17 s.n. Riverside San Jacinto Mountains, Lake Hemet, N shore near the fence. Comment
  SDSU13554  Eleocharis montevidensis W. Miller 1972-7-20 Riverside Comment
  UCR121202  Eleocharis montevidensis D. E. Bramlet 1990-4-26 1978 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
  UC111318  Eleocharis parishii S. B. Parish 1907-4-22 6145 Riverside Palm Canyon Colorado desert, western edge of 200 Comment
  SEINET3929485  Elymus condensatus R. L. Piemeisel 1914-2-17 3812 Riverside Mt. Rubidoux.; 0 Comment
  UCR133331  Elymus condensatus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UC38214  Elymus glaucus H. M. Hall June, 1901 2097 Riverside San Jacinto Mountains; slopes and benches of s side 1463 Comment
  UCR156351  Elymus glaucus T. B. Salvato, Kent Beaman 2005-5-16 876 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
  UCR213878  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12123 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UC1931214  Elymus triticoides Scott D. White, Justin Wood 2008-7-8 12392 Riverside SAN JACINTO MTS: Johnson Meadow Comment
  UCR174128  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2006-6-2 33086 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
  JOTR16582  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATERING TURNOUT 1310 Comment
  POM356674  Encelia actoni Norman C. Cooper 1949-6-29 4285 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  SD73627  Encelia actoni Helen V. Witham 1970-4-29 826 Riverside 20 miles east of Lake Hemet. 1299 Comment
  UCR133972  Encelia actoni Mitch Provance, J. S. Ross 1998-3-27 MOR- 979 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR37412  Encelia actoni Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  POM98992  Encelia actoni E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, Eastern Riverside County. 762 Comment
  CAS-BOT-BC131315  Encelia farinosa N. Artkenhead 1977-2-2 2115 Riverside 1 mi. from junction of J.T. Mon. Rd. and pipeline Comment
  CAS-BOT-BC131342  Encelia farinosa Ira L. Wiggins 1941-3-24 9577 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  UC1118068  Encelia farinosa A. Lewis 1934-2-1 300 Riverside 3.5 mi e Auburndale; Corona Quad. 365 Comment
  UCR37792  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  SEINET6810910  Encelia farinosa John Thieret, Brandenburg, David 1982-6-5 53089 Riverside 25 miles W of Desert Center; Desert Center; 25 miles W of Comment
  POM305624  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 875 Riverside Between Blythe and Parker. Comment
  CAS-BOT-BC131422  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash 91 Comment
  CAS-BOT-BC81493  Ephedra aspera H. E. McMinn 1925-7-1 1475 Riverside Palm [Canon] Canyon Comment
  RSA0098481  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
  RSA715313  Ephedra californica Marisa Sripracha, K. A. Boyd 2004-3-21 45 Riverside Snow Creek. 345 Comment
  SBBG21950  Ephedra californica R. F. Thorne 1964-5-3 33851 Riverside near hwy ca. 4 mi S of Morongo Valley, ca. 3 mi S of San Bernardino Co line Comment
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Apr 24 2011
  SD55  Ephedra californica Ruth B. Randall 1926-2-22 277 Riverside Cabazon near Whitewater 760 Comment
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Mar 13 2011
  JEPS20738  Ephedra trifurca Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13264 Riverside 2.1 mi s of Rice (by Rice-Blythe Rd, nw edge of sand dunes) Comment
  UCR193260  Epilobium A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35617 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  UCR19030  Epilobium campestre John C. Roos 1952-5-14 5662 Riverside Moreno Valley, Edgemont [now part of city of Moreno Valley], near Box Springs 488 Comment
  RSA544384  Epilobium canum subsp. latifolium Steve Boyd, T. S. Ross 1991-6-14 6399 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
  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
  SD129445  Epilobium ciliatum J. Hirshberg 1989-7-25 Riverside Butterfield country, southwest of Vail Lake. Comment
  JOTR36423  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3368 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  POM10085  Epilobium ciliatum subsp. ciliatum Charlotte M. Wilder 1906-10-8 885 Riverside Fairmont Park. Comment
  RSA72167  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1924-7-28 5012 Riverside Pine Flats Camp 1799 Comment
  POM48735  Epilobium densiflorum P. A. Munz 1924-7-29 8818 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UC69570  Epilobium densiflorum Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mts. Comment
  UCR18395  Epilobium hallianum A. C. Sanders 1978-9-3 468 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SD81654  Equisetum arvense Louis C. Wheeler 1931-10-4 214 Riverside San Jacinto Mountains, Strawberry Valley 1555 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
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR201661  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  RSA432719  Eremalche rotundifolia E. C. Jaeger 1922-4-2 s.n. Riverside Box Canon near Mecca. Comment
  JOTR34090  Eremogone macradenia var. macradenia Wheeler, Mark 2011-5-25 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  UCR279382  Eremothera boothii A. C. Sanders, Jim Malusa 2017-3-24 42968 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  OBI66290  Eremothera refracta LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region: Corn Springs campground in the Chuckwalla Mts, Cyn SW of campground 480 Comment
  RSA0031613  Eremothera refracta Jim Andre 2013-3-27 24819 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  CAS-BOT-BC514310  Eriastrum densifolium subsp. austromontanum G. B. Grant 1901-8-1 11429 Riverside San Jacinto Mountains: Strawberry Valley Comment
  LA106802  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1940-7-21 sn Riverside Santa Rosa Mountains, near Santa Rosa Springs Comment
  LA106820  Eriastrum densifolium subsp. densifolium A. M. Johnson; 1933-6-25 sn Riverside Pinon Flats, Pines to Palms Hwy Comment
  RSA0105497  Eriastrum densifolium subsp. elongatum N. C. Cooper 1949-6-29 4304 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA0119712  Eriastrum diffusum subsp. coachellae Scott D. White, Michael Honer 2003-4-25 9102 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road. 610 Comment
  RSA0119716  Eriastrum diffusum subsp. coachellae P. A. Munz 1930-5-1 11921 Riverside Morongo Valley. Comment
  RSA0120075  Eriastrum eremicum subsp. eremicum Gene Ronald 1953-5-21 s.n. Riverside Palm Springs, Indian St. & Ramon. Comment
  RSA0120093  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-4-3 2022 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA0120100  Eriastrum eremicum subsp. eremicum P. A. Munz, P. C. Everett 1952-5-2 16257 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  RSA0120687  Eriastrum harwoodii Duncan S. Bell 2010-4-2 695 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  RSA0054882  Eriastrum pluriflorum Keith E. Hoffmaster 1937-6-6 801 Riverside Pinon Flat, San Jacinto Mts. Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  RSA0121588  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2000-5-25 23398 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA0122951  Eriastrum sapphirinum subsp. dasyanthum D. L. Banks, Victor W. Steinmann 1995-7-10 0753 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. E of the major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  CAS-BOT-BC515005  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1931-6-5 6656 Riverside San Gorgonio Pass at Cabazon Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  CAS-BOT-BC172852  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, just off Wickard Rd. ca. 1 mile east of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  JOTR34488  Ericameria cooperi Andre, Jim 2012-4-16 20972 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR149852  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 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
  UC101091  Ericameria cooperi var. cooperi H. M. Hall 1901-5-1 Riverside vicinity of Riverside (w Riverside hills) Comment
  RSA489839  Ericameria cuneata D. Charlton 1988-5-28 2137 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  UC494685  Ericameria cuneata var. spathulata P. A. Munz 1932-10-16 12848 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  POM359406  Ericameria linearifolia Ora M. Clark 1929-2-23 1545 Riverside South of Cabazon Comment
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Mar 13 2011
  OBI7340  Ericameria paniculata Louis C. Wheeler 1933-12-1 2288 Riverside 2 mi E Cabezon, San Gorgonio Pass 640 Comment
  UCR231184  Ericameria parishii A. C. Sanders, Kent Beaman 2011-9-27 39924 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  POM10311  Ericameria pinifolia Charlotte M. Wilder 1904-09 386 Riverside W Riverside Comment
  RSA544321  Ericameria pinifolia Steve Boyd 1991-9-8 6429 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  RSA212927  Erigeron divergens L. B. Ziegler 1969-5-26 s.n. Riverside Low hillsides at edges of meadows in Hemet Valley, San Jacinto Mts. 1387 Comment
  RSA192006  Erigeron foliosus E. W. Lathrop 1966-5-15 6302 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCR167305  Erigeron foliosus Scott D. White, Jennifer H. Jones 2005-5-24 11095 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCD65715  Eriochloa acuminata Malcolm A. Nobs; S. Galen Smith 1948-9-3 495 Riverside Imperial Valley, 2 miles north of Indio. Comment
  CAS-BOT-BC189066  Eriodictyon crassifolium P. A. M.; L. T. S. 1919-5-7 2734 Riverside Tahquitz Canyon mouth 30 Comment
  CAS-BOT-BC189078  Eriodictyon crassifolium Ivan Johnston 1917-4-4 1072 Riverside Palm Canyon 228 Comment
  CLARK-A1045-80  Eriodictyon crassifolium George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  CLARK-A1656-639  Eriodictyon crassifolium Lois Ann Scott 1978-5-5 Riverside Snow Creek 381 Comment
  SEINET244776  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns.; ca 200 m up Mt. Edna Road off Hwy 243 on the northern side of the mountains. 1159 Comment
  UC495189  Eriodictyon crassifolium Philip A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  UCR120803  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  UC24068  Eriodictyon crassifolium var. crassifolium H. M. Hall 1899-5-20 1107 Riverside Valle Vista San Jacinto Mountains, Valle Vista (in sand washes) Comment
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Mar 27 2011
  UC73690  Eriodictyon crassifolium var. crassifolium Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR168136  Eriodictyon trichocalyx T. B. Salvato, John F. Green 2004-5-27 570 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
  RSA771654  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4914 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  POM161534  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Peak. 2439 Comment
  RSA78246  Eriogonum davidsonii P. A. Munz, E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  RSA792161  Eriogonum davidsonii A. C. Sanders, Mitch Provance 2008-7-11 35750 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1450 Comment
  SD95204  Eriogonum davidsonii G. L. Webster, R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., parkland at Split Rock 1310 Comment
  HSC17267  Eriogonum deflexum var. deflexum C. L. Hitchcock, C. V. Muhlick 1964-3-22 23257 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  POM306184  Eriogonum deflexum var. deflexum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 s.n. Riverside Indio-(20 mi. east) Comment
  RSA0081621  Eriogonum deflexum var. deflexum Jim M. Andre 2012-4-11 20832 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA393268  Eriogonum deflexum var. deflexum Anstruther Davidson 1926-03 s.n. Riverside Colorado Desert. Comment
  SEINET6170721 Image available Eriogonum deserticola Marjorie D. Clary 1933-1 2021 Riverside Along the South shore of Salton Sea -76 Comment
  UC66492  Eriogonum elongatum var. elongatum E. A. Zumbro 1904-1 429 Riverside Cold Water Canyon Santa Ana Mts., Cold Water Canyon Comment
  CLARK-A1528-3737  Eriogonum fasciculatum C. Epling, H. Lewis 1941-5-2 Riverside Chuckwalla Mountains Comment
  RSA766508  Eriogonum fasciculatum var. foliolosum Marjorie D. Clary 1932-7-4 962 Riverside Aguanga Valley. Comment
  UC1032055  Eriogonum fasciculatum var. foliolosum A. Lewis 1934-2-1 1 Riverside 3 1/2 mi w Auburndale; Corona Quadrangle Comment
  LA206789  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  UCR150008  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC253483  Eriogonum gracile H. S. Gentry 1954-7-26 14256 Riverside Dripping Spring along Route 79 Comment
  UCR280831  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-3 1404 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  UCR272194  Eriogonum gracile var. gracile Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8566 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  RSA180361  Eriogonum gracile var. incultum E. W. Lathrop 1960-6-9 4973 Riverside 14 miles west of Murrieta. Comment
  RSA739338  Eriogonum inflatum Keith E. Hoffmaster 1933-4-13 307 Riverside Palm Springs. Comment
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Aug 27 2011
  UCSB8539  Eriogonum inflatum Wedberg, H. 1957-3-23 Riverside Whitewater Cyn Comment
  POM49276  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idyllwild. 1616 Comment
  CAS-BOT-BC269777  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  CAS-BOT-BC269782  Eriogonum nudum var. pauciflorum Carl B. Wolf 1932-8-5 3986 Riverside San Jacinto Mts. On trail from Tahquitz Valley to San Jacinto Peak, between 1st and 2nd wet meadow 2743 Comment
  JOTR35371  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  UC6394  Eriogonum nudum var. pauciflorum H. M. Hall July 1901 2504 Riverside s side San Jacinto Mountains San Jacinto Mountains 1645 Comment
  UCSB18463  Eriogonum pusillum Schevill, Peggy 1963-5-5 Riverside State Highway 74; about 5 miles N-NW of Pinyon Flats Campground 731 Comment
  RSA777832  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 850 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  RSA0009729  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Shaver's Well Comment
  RSA500553  Eriogonum thurberi Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3596 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA678400  Eriogonum thurberi Michael Wall 2003-5-11 314 Riverside Vacant lot off Ramona Expressway between Donna Ave. and Seventh St. adajacent to Soboba Health Clinic. (currently for sale and development). 506 Comment
  UCR92748  Eriogonum thurberi A. C. Sanders 1994-7-27 15160 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR279401  Eriogonum trichopes A. C. Sanders, Jim Malusa 2017-3-25 43022 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR6442  Eriogonum umbellatum var. munzii Frank C. Vasek 1964-7-25 640725- 19 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  SD173046  Eriogonum wrightii var. membranaceum Juergen Schrenk 2005-10-11 46 Riverside Santa Rosa Mountains, summit of Toro Peak 2650 Comment
  LA207107  Eriogonum wrightii var. nodosum Carl Epling; William Robison 1933-6-26 Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  JEPS29473  Erioneuron pulchellum Lauramay T. Dempster 1962-4-18 1899 Riverside Palms-to-Pines Hwy Pinyon Flats 1066 Comment
  CAS-BOT-BC297352  Eriophyllum confertiflorum Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  RSA125205  Eriophyllum confertiflorum E. K. Balls, Percy C. Everett 1957-8-20 22675 Riverside Hamilton Grade, along rd. from Palms to Pines Hwy. to Aguanga. Comment
  RSA651119  Eriophyllum confertiflorum Diane M. Ramirez 1983-5-15 28 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill 1253 Comment
  UCR174109  Eriophyllum confertiflorum A. C. Sanders 2006-5-19 32453 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
  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
  SD133183  Eriophyllum confertiflorum var. confertiflorum Scott White 1991-5-13 91 85 Riverside Highway 79 immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  CLARK-A1528-4987  Eriophyllum confertiflorum var. tridactylum John C. Roos 1942-6-20 1277 Riverside San Jacinto Mountains Comment
  CLARK-A1528-1841  Eriophyllum multicaule John C. Roos 1952-5-19 5960 Riverside Moreno 502 Comment
  UCR117088  Eriophyllum multicaule A. C. Sanders, T. B. Salvato 2001-5-16 24298 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  OBI8199  Eriophyllum wallacei David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12078 -1 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  RSA50326  Eriophyllum wallacei E. K. Balls 1949-5-4 13487 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1371 Comment
  UCD132251  Eriophyllum wallacei Collector Unknown 1923-3-25 299 Riverside Whitewater. Comment
  UCR133961  Eriophyllum wallacei Mitch Provance, J. S. Ross 1998-3-27 MOR- 942 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  RSA678971  Erodium botrys Scott D. White, Michael Honer 2003-6-3 9457 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC1929616  Erodium brachycarpum Scott D. White 2003-3-21 8804 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  SEINET156053  Erodium cicutarium Norman C. Cooper 1944-3-24 993 Riverside Banning. 701 Comment
  UCD103187  Erodium cicutarium E. W. Lathrop 1966-5-8 6459 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  UCR126379  Erodium cicutarium A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 688 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA700097  Erodium moschatum Virginia Moran 2003-4-2 s.n. Riverside Collected from Warm Springs Preserve, managed by the Center for Natural Lands Management. Located approximately 8 km. north of Temecula, approximately 3 km. northeast of the end of Hunter Road. Comment
  RSA356630  Eryngium aristulatum var. parishii R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47315 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UC1237989  Erysimum capitatum John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61119 Riverside along roadside on Hwy 74 1.4 mi se Kern Summit (nw of Hemet Reservoir) Comment
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Mar 24 2011
  UCR164929  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 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
  SD70913  Erythranthe cardinalis Helen V. Witham 1969-7-2 175 Riverside edge of water. De Luz Creek crossing, 4 mil. N. of De Luz 249 Comment
  SD134369  Erythranthe palmeri Craig Reiser 1989-4-19 Riverside Southeast corner of De Portola and Colt Road Comment
  RSA585879  Eschscholzia californica D. L. Banks, Peter Morrell 1995-5-4 313 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  SDSU18719  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 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. 410 Comment
  RSA727397  Eschscholzia minutiflora Naomi Fraga, Lisa Rojas 2005-2-10 1397 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 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-BC419633  Eschscholzia parishii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2176 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  JOTR32911  Eschscholzia parishii La Doux, Tasha, Jim Andre 2009-2-28 352 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  SEINET3094861 Image available Eschscholzia parishii David Charlton 1988-2-18 1152 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 5 mi. E of Jct Dillon Rd. and Fargo Cyn Rd. Comment
  UCR113149  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve, SW of Crown Valley in upper Rawson Canyon area 595 Comment
  POM128391  Eucrypta chrysanthemifolia Thomas Craig 1927-4-23 218 Riverside Glen Ivy. Comment
  JEPS1708  Eucrypta chrysanthemifolia var. bipinnatifida Marjorie D. Clary 1614 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 30 Comment
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Apr 4 2011
  CLARK-A1528-2975  Eucrypta micrantha John C. Roos 1966-3-26 Riverside Comment
  SBBG47468  Eulobus californicus N. C. Cooper 1944-5-6 1210 Riverside Whitewater Cyn 457 Comment
  CAS-BOT-BC206921  Euonymus occidentalis C. Epling; Wm. Robison 1935-6-30 s.n. Riverside North Fork San Jacinto River Comment
  RSA591729  Euonymus occidentalis J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  UC18053  Euonymus occidentalis var. parishii H. M. Hall June, 1901 2299 Riverside water courses in vicinity of Strawberry Valley (San Jacinto Mts.); San Jacinto Mts. 1828 Comment
  UCR176691  Euphorbia albomarginata R. D. Goeden, Don W. Ricker 1965-6-24 s.n. Riverside Riverside, east of Gage Canal near end of Massachusetts Ave. 320 Comment
  UCR35102  Euphorbia albomarginata L. B. Ziegler 1967-10-3 251 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1402 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
  RSA781606  Euphorbia eriantha Duncan S. Bell 2011-12-30 3026 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR244425  Euphorbia eriantha Jim Andre 2012-4-16 20920 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR239824  Euphorbia hirta O. F. Clarke 2007-6-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM2677  Euphorbia lathyris Jenkins, L. T. Street 1956 Riverside San Jacinto River Canyon. Comment
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Mar 1 2014
  UCR264243  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA489622  Euphorbia palmeri D. Charlton 1988-5-28 2119 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCD142732  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta. 91 Comment
  SD129389  Euphorbia setiloba A. C. Sanders 1989-9-19 9509 Riverside Chocolate Mountains Aerial Gunnery Range; 1.75 km south of Tabaseca Tank, along the wash above Tabeseca Target. 680 Comment
  UCR57893  Euphorbia setiloba J. M. Stewart 1989-9-17 601 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  RSA356989  Euphorbia spathulata R. F. Thorne 1973-5-23 43862 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  POM319662  Euthamia occidentalis Patricia Wilder 1971-11-11 5290 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  JOTR31776  Fagonia laevis La Doux, Tasha, Jim Andre 2009-3-10 385 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  LA209846  Fagonia laevis Harlan Lewis; 1939-12-31 1165 Riverside Desert Center Comment
  RSA778403  Fagonia laevis Stephanie Rockwood, Christi Gabriel 2011-10-5 62 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UCR104005  Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2657 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR214426  Fagonia laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37478 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
  RSA0009993  Fagonia laevis Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  CLARK-A1528-4643  Festuca arundinacea John C. Roos 1950-4-15 4743 Riverside Riverside 259 Comment
  UCR130847  Festuca arundinacea S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR213574  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37816 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  LA13103  Festuca myuros F. M. Reed; 1906-3-7 897 Riverside above Victoria's Ave Comment
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Jan 18 2014
  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
  UCR137694  Festuca myuros var. myuros D. L. Banks, V. W. Steinmann 1997-3-13 1481 A Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA0116288  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway ca. 120 ft W of Lincoln St., N side of Corona del Rey apartments. 210 Comment
  RSA614653  Filago californica A. C. Sanders 1997-3-1 19700 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA85099  Filago californica J. C. Roos 1952-4-9 5510 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  RSA343864  Filago gallica R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60653 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  SD80099  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 425 Riverside Canyon off Sta. rosa mt. Rd., 0.6 mile above Highway 74. 1524 Comment
  HSC100858  Fouquieria splendens J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12778 Riverside Along Eagle Mountain Road. Comment
  UCSB4144  Fouquieria splendens Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 195 and Hwy. 60-70 at N edge of Orocopia Mts. Comment
  CAS-BOT-BC223603  Fouquieria splendens subsp. splendens W. L. Jepson 1912-1-1 5251 Riverside Black Point, Riverside Mts. Comment
  JOTR32015  Fouquieria splendens subsp. splendens La Doux, Tasha, T. Herskovits, M. Harding, M. Wheeler, B. Truesdell 2011-4-14 2245 Riverside Joshua Tree National Park. Eagle Mountains; about 2 miles SW of Lost Palms Oasis; open bajada (Stop 1) 603 Comment
  RSA0018453  Frangula californica subsp. cuspidata Scott D. White 1996-8-16 4485 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  UCR268290  Frangula californica subsp. cuspidata Jim Andre 2012-6-15 30533 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  OBI14196  Frankenia salina Robert F. Hoover 1968-6-6 11153 Riverside 1 mi E of Perris Comment
  UCR232062  Frankenia salina John F. Green 2008-4-23 07- 05 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  PASA193  Frasera parryi J. Poole 1964-6-29 Riverside San Jacinto Mts. Comment
  UCR259203  Fraxinus velutina Mitch Provance 2012-3-30 312- 02 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  RSA1242  Fraxinus velutina var. coriacea B. D. Stark 1929-9-22 1438 Riverside Keys Ranch, near 29 Palms Mojave Desert. Comment
  POM122774  Funastrum hirtellum Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA458582  Funastrum hirtellum T. S. Clare 1930-4-13 s.n. Riverside Thousand Palms. Colorado desert. Comment
  JEPS52914  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4243 Riverside 0.9 mi n Alvin Meadows (Red Hill Rd); San Jacinto Mts. 1661 Comment
  UCR132341  Galium angustifolium John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  JEPS56073  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4241 Riverside at Keyes Drive San Jacinto Mts. Poppet Flat 1097 Comment
  POM46850  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 B Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  JOTR34210  Galium angustifolium subsp. gracillimum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3002 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  SEINET7048169  Galium angustifolium subsp. jacinticum Steven R. Hill 2001-5-3 33675 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA586143  Galium aparine D. L. Banks, Steve D. Boyd 1995-3-16 105 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  UCR180590  Galium aparine Scott D. White, Angelia Carey 2004-4-5 9983 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR177635  Galium porrigens John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR90389  Galium porrigens var. porrigens D. L. Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  UC666515  Galium stellatum var. eremicum Annie M. Alexander and Louise Kellogg 1941-5-18 2200 Riverside n slope Colorado Desert, Eagle Mountains 1066 Comment
  RSA643292  Gamochaeta pensylvanica R. D. Goeden, D. W. Ricker 1972-5-20 s.n. Riverside Riverside: UCR Campus, outside insectary buildings near Entomology. 341 Comment
  RSA0099592  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  RSA358584  Garrya flavescens Larry E. DeBuhr 1972-3-23 529 Riverside Santa Rosa Mountains. San Bernardino National Forest. Across the valley from Santa Rosa Springs on the south facing slope below TV transmitter station. 2317 Comment
  LA98198  Garrya fremontii Rich Minnich; April 1975 sn Riverside San Jacinto Mountains, Fuller Ridge, S slope 2499 Comment
  JOTR35038  Geraea canescens La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3491 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA180449  Geranium dissectum E. W. Lathrop 1960-6-8 4910 Riverside 14 miles west of Murrieta Comment
  JEPS69449  Gilia angelensis Dr. L. M. Newlon 1922-4-3 433 f Riverside Andreas Canyon San Jacinto Mts., Andreas Canyon Comment
  POM184248  Gilia angelensis P. A. Munz 1932-3-24 12024 Riverside North of Lake Elsinore. 305 Comment
  RSA614703  Gilia angelensis George K. Helmkamp, Elizabeth Helmkamp 1997-3-5 1326 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  UC880101  Gilia angelensis K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  UCD117599  Gilia angelensis J. Powell 1965-4-13 484 Riverside Railroad Canyon, 4 miles east of Elsinore. 396 Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA92546  Gilia angelensis J. C. Roos, Lucille Roos 1954-4-17 6069 Riverside Pass at summit of Reche Canyon. 732 Comment
  SDSU15207  Gilia capitata Wende Rehlaender 1983-5-22 107 Riverside Reche Canyon, approx. 6 miles from NW end of Reche Canyon Road., just SE of Reche Vista Road; about 3 miles north of Sunnymead. Comment
  UCR165914  Gilia capitata T. B. Salvato, John F. Green 2004-5-27 559 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
  RSA769708  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1973-6-28 7445 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  UC908040  Gilia latifolia Victor Duran 1935-4-18 Riverside near Indio (Curtis Palms); Curtis Palms -- near Indio Comment
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Dec 14 2011
  CAS-BOT-BC407613  Gilia ochroleuca subsp. exilis Verne Grant; Alva Grant 1951-7-22 16107 Riverside San Jacinto Mts., 1 mile N of Fulmor Lake on road from Idyllwile to Banning 1371 Comment
  RSA0014947  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 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
  RSA0016274  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside 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 1600 Comment
  RSA0017099  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12238 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR44192  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA0017289  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  JOTR33923  Gilia sinuata La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2814 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  JOTR30698  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  JOTR35153  Gilia stellata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3265 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA799087  Gilia stellata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6884 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  UCR214155  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR145075  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 448 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  UCR178206  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  RSA463721  Gnaphalium beneolens B. Pitzer, Jack Easton 1987-3-10 398 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi E of town of Anza on N side of Hwy 371. 1341 Comment
  RSA717580  Gnaphalium californicum A. C. Sanders 2004-5-11 27841 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area 439 Comment
  UCR149978  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR174963  Gnaphalium luteoalbum Teresa Nieto 2005-5-26 34 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR91735  Gnaphalium luteoalbum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18105 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  CLARK-A1528-7803  Gnaphalium palustre John C. Roos 1952-6-8 5742 Riverside Reche Canyon 640 Comment
  RSA388322  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA741076  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  RSA752221  Grayia spinosa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12584 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  RSA703735  Guillenia lasiophylla LeRoy Gross 2005-3-3 1569 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA727087  Guillenia lasiophylla Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA777829  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 855 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  UCD132607  Gutierrezia californica Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3653 Riverside Vail Lake area, west base of hills between Temecula and Wilson Creeks. 487 Comment
  UCR104175  Gutierrezia californica Scott D. White 1997-5-25 5246 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  RSA561421  Gutierrezia sarothrae Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7688 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UC1214003  Gutierrezia sarothrae Otto T. Solbrig 1958-3-21 2516 Riverside road from Idylwide 28 mi w Palm Desert Comment
  UCR260513  Gutierrezia sarothrae T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7995 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  RSA90691  Gutierrezia sarothrae F. W. Peirson 1920-6-22 5297 Riverside Temescal Canyon 335 Comment
  SDSU18360  Harpagonella palmeri C. Matt Guilliams 2008-2-21 458 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. 418 Comment
  UCR281495  Harpagonella palmeri Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-4-5 417- 94 Riverside Temescal Valley, S side of De Palma Rd, about 0.5 mile WNW of Horsethief Canyon Rd. 400 Comment
  RSA0066619  Harpagonella palmeri D. E. Bramlet 1995-4-25 2394 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park. Site is within and beside the Equestrian trail, S of the Tucalota Hills & approx. 702 m SE of the park entrance rd. and 610 m N of East Benton Road. The locality is just SW of knoll 1800 ft. 524 Comment
  RSA736170  Hedypnois cretica Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass: Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  UCR116592  Hedypnois cretica A. C. Sanders, T. B. Salvato 2001-5-24 24367 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR232071  Helianthus annuus John F. Green 2008-4-24 13- 01 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR16864  Helianthus gracilentus A. C. Sanders 1973-5-20 00136 Riverside Perris-Aguanga Basin region, Sunnymead, Kalmia Ave. east of Steeple Chase Dr. 549 Comment
  UCR271327  Helianthus gracilentus A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42470 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 old Emerson house site 488 Comment
  UCR278884  Heliotropium curassavicum Mitch Provance 2011-6-9 17195 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  UCR128238  Hemizonia kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR75527  Hemizonia kelloggii A. C. Sanders 1993-5-17 14063 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  RSA883  Hemizonia paniculata J. T. Howell 1928-6-9 1077 Riverside Temecula. 305 Comment
  UCR172215  Hemizonia paniculata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR231746  Hemizonia paniculata John F. Green 2008-4-23 08- 08 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
  UCR235056  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40202 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, cleared area under powerlines east of I-15, N of McLaughlin Rd. and west of Trumble Rd. 436 Comment
  UCR256785  Hemizonia paniculata T. B. Salvato, Matthew Malle 2013-5-20 7587 Riverside Perris-Aguanga Basin, Menifee, northwest corner of Bundy Canyon Road and Murrieta Road 515 Comment
  UCR277747  Hemizonia paniculata Mitch Provance 2012-7-15 712- 07 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  UCR103476  Hemizonia pungens subsp. laevis D. E. Bramlet 1995-6-8 2432 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit; within the access road to the margin of the old duck ponds, 1.83 km east of Davis Road and 762 m north of the San Jacinto River channel 436 Comment
  UCR126977  Hemizonia pungens subsp. laevis A. C. Sanders, T. B. Salvato 2003-5-9 26584 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR260132  Hemizonia pungens subsp. laevis A. C. Sanders 2015-2-19 41248 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  UCR266367  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-5-16 3846 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, canal right-of-way, east of Sanderson Ave. and south of Ramona Expressway 457 Comment
  UCR59650A  Hemizonia pungens subsp. laevis Jack Easton 1988-8-10 s.n. Riverside Peninsular Range, Winchester area, south of Lakeview Mts., east of and adjoining Winchester Rd. and c. 1/2 mi south of Hwy 74. 488 Comment
  GMDRC4153  Hesperocallis undulata J. Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley: along Hwy 95 approx 20 mi. south of Vidal Junction, at southeast corner of Riverside Mountains 145 Comment
  UCR213275  Hesperocallis undulata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37428 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA567982A  Hesperocnide tenella Karin Cleary 1992-4-6 113 Riverside Edge of cottonwood/willow riparian are and coastal sage scrub, E side of California St. Reinholt Canyon, Hemet. 579 Comment
  RSA85451  Hesperocnide tenella J. C. Roos 1952-4-13 5537 Riverside North side of Box Canyon 396 Comment
  UCR116068  Hesperocnide tenella O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  SDSU13044  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  RSA160436B  Heterotheca sessiliflora subsp. echioides J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  UC63207  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  CDA5015  Hibiscus trionum T. C. Fuller, F. J. Willmarth 1959-9-24 3083 Riverside Jurupa Avenue, West Riverside. 0 Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  UCD89916  Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside Rts. 60 and and 0 (sic), 5 miles east of Shavers Summit. Comment
  SDSU12876  Hirschfeldia incana J. Jill Steinberg, Janet Knotts and Kevin Contreras 1998-3-25 32 Riverside Approxiately 200 feet north of Santa Margarita (SDSU) Field Station trailer, on trail to road leading down to Santa Margarita River. 335 Comment
  SEINET6654966  Hoffmannseggia densiflora Sears 1977-10-12 S 583 Riverside 20 miles East of Desert Center, 10 miles East of Corn Springs exit.; 0 134 Comment
  VVC2323  Hoffmannseggia glauca Tim Thomas 2011-10-17 5518 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  SBBG92826  Hoffmannseggia microphylla D. Charlton 1988-2-18 1134 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UCSB3082  Hoffmannseggia microphylla Strudy, C. 1957-4-21 Riverside 20 mi. east of Coachella on Route 60 60 Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  UC1608291  Holodiscus discolor Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7357 Riverside SW of Fishermans Camp at confluence of San Mateo and Tenaja Creeks Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  RSA797260  Holodiscus microphyllus var. sericeus Robert F. Thorne, Walter Wisura 1977-9-17 50798 Riverside San Jacinto Mountain: summit. 3293 Comment
  RSA609948  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 Comment
  SEINET3386506 Image available Hordeum intercedens Mitch Provance 2005-5-17 6554 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 396 Comment
  SEINET271520 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  UCR201614  Hordeum marinum subsp. gussoneanum Scott D. White, Justin M. Wood 2008-6-19 12256 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  SD146088  Hordeum murinum B. Pitzer, J. Ross 1998-3-8 3597 Riverside Colorado Desert: Hayfield Lake, on the lakebed, southeast of pumping station, near center of lake (Hayfield Spring [UTM 10km cell: 11S PH-2E, 2N. Hayfield Lake]) 395 Comment
  CAS-BOT-BC284763  Hordeum murinum subsp. glaucum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23083 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  UC2030122  Horkelia clevelandii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38078 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  UC729824  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside 1 1/2 mi Idyllwild (on road to banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  CLARK-A1528-1952  Hulsea vestita subsp. callicarpha John C. Roos 1946-8-27 2783 Riverside Santa Rosa Mountains 2407 Comment
  SDSU1684  Hulsea vestita subsp. callicarpha D. F. Howe 1941-6-8 1281 Riverside San Jacinto Mts. 1524 Comment
  POM361073  Hymenoclea salsola M. B. Dunkle 1933-3-4 3062 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCR34973  Hymenoclea salsola L. B. Ziegler 1967-6-8 157 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  RSA674615  Hypericum formosum var. scouleri Scott D. White, Sandy Leatherman 2000-5-31 7983 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  CAS-BOT-BC219769  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca 45 Comment
  JOTR32428  Hyptis emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA420163  Hyptis emoryi Robert Gustafson 1981-4-7 s.n. Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  POM13734  Isocoma acradenia var. eremophila E. C. Jaeger 1921-11-10 1158 Riverside Little Palm Canyon. Comment
  SBBG118933  Isocoma menziesii S. D. White 1999-10-7 7623 Riverside S of McColl Ave and E of Interstate 215; T5S R3W S27 1450 Comment
  POM4691  Isocoma menziesii var. vernonioides I. M. Johnston 1918-5-30 s.n. Riverside Lake Elsinore. 366 Comment
  UCR193356  Isoetes orcuttii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35627 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  SEINET7048067  Isomeris arborea Steven R. Hill 2001-4-29 33544 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR266483  Iva axillaris subsp. robustior Mitch Provance, Eric Kline 2015-3-26 315- 46 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  JEPS19724 Image available Juncus acutus var. sphaerocarpus W. L. Jepson 1914-5-22 6041 Riverside near Thousand Palms Canyon; ; Near Thousand Palms Canyon Comment
  UCR132718  Juncus balticus A. C. Sanders, O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR135851  Juncus balticus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27895 Riverside Peninsular Range, Temescal Creek in Walker Canyon, at foot of Alberhill Mountain 378 Comment
  UC1543042  Juncus bufonius Donald G. Nelson 1936-5-21 375 Riverside just e Jurkey Creek Camp area (e of Lake Hemet, and n of Mt. Thomas); San Jacinto Mountains Comment
  UC2030094  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UCR21523  Juncus bufonius Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  RSA623560  Juncus bufonius var. bufonius R. E. Riefner 1998-7-10 98 -416 Riverside Menifee Valley Comment
  UCR106349  Juncus effusus subsp. austrocalifornicus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UC842783  Juncus macrandrus Crawford and Johnston 1917-6-9 1232 Riverside near Corona; Santa Ana River Comment
  RSA621505  Juncus mexicanus Darin L. Banks 1997-11-15 2196 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  UC1601797  Juncus mexicanus H. M. Hall Jun 1901 2031 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  POM1607  Juncus oxymeris D. L. Crawford, I. M. Johnston 1917-6-9 1232 Riverside Santa Ana River near Corona Comment
  UCR95422  Juncus oxymeris C. W. Tilforth, W. Wisura 1981-7-10 2114 Riverside Stanley Road, S leg of Red Mtn loop, east of Hwy R3, south of Hemet Comment
  CDA33225  Juncus rugulosus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  CLARK-A1045-60  Juncus rugulosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5' Q Comment
  POM49555  Juncus rugulosus Phillip A. Munz, I. M. Johnston 1924-7-29 8829 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA0103092  Juncus rugulosus Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8548 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA0125122  Juncus rugulosus Duncan S. Bell 2016-10-27 10211 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA304319  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2987 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  RSA519236  Juncus xiphioides Ed LaRue 1989-4-26 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice Canyon. 488 Comment
Read comments
Mar 24 2007
  UC667288  Juncus xiphioides Annie M. Alexander and Louise Kellogg 1941-5-26 2242 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC234592  Justicia californica Marcus E. Jones 1926-1-20 s.n. Riverside Yaqui Well, Colorado Desert Comment
  RSA0104413  Justicia californica Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7740 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  SEINET10437453 Image available Justicia californica Richard Walker 1967-4-30 59 Riverside Palm Desert on south side of Carriage Road ca 2 miles east of state highway 74 (Pines to Palms Highway) Comment
  SEINET2043588 Image available Justicia californica John Adams 1966-3-12 445 Riverside Hwy 74, 2 mi above Palm Desert. 610 Comment
  RSA793613  Kallstroemia parviflora Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4200 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  CAS-BOT-BC235494  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains: mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  OBI74462  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside East of Temecula SR 79 Comment
  POM229522  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA714431  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SEINET3930995  Keckiella antirrhinoides David Keil 1983-4-15 16899 Riverside East of Temecula on SR79.; 0 Comment
  UCR15968  Keckiella antirrhinoides Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  CAS-BOT-BC236710  Keckiella antirrhinoides subsp. antirrhinoides H. E. McMinn 1925-7-1 1491 Riverside At base control to Idylwild, San Jacinto Mts. Comment
  JOTR34044  Keckiella antirrhinoides var. microphylla La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2945 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  CLARK-A1528-855  Keckiella cordifolia C. M. Flanagan 1973-6-13 OO 715 Riverside Morongo Indian Reservation 914 Comment
  RSA0019438  Keckiella ternata subsp. ternata N. C. Cooper 1944-7-15 1581 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA560845  Koeleria macrantha Steve Boyd, Timothy S. Ross 1992-5-4 7177 -B Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC38719  Koeleria macrantha H. M. Hall 1901-6-20 2206 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1645 Comment
  CLARK-A1528-5687  Krameria grayi John C. Roos 1937-4-23 796 Riverside Whitewater Comment
  RSA688863  Krameria grayi Scott D. White, Michael Honer 2003-5-13 9237 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
  RSA766604  Krameria grayi Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 169 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  UC1130217  Krameria grayi H. S. Yates 1936-4-8 5454 Riverside near Fish Springs; Thermal Quad. 60 Comment
  UC1329866  Krameria grayi James E. Cole 1941-5-22 768 Riverside Joshua Tree National Monument Ruby Lee Mill Site; , Ruby Lee Mill Site 914 Comment
  UC472703  Krameria grayi M. F. Spencer 1922-4-28 405 Riverside Chino Canyon Palm Springs (Palm Springs); Colo. Desert, , Chino Canyon <Colorado Desert> Comment
  UCR17305  Krameria grayi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  UCR25150  Krameria grayi John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  RSA192095  Lactuca serriola H. A. Zuill 1966-7-26 300 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA180492  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5233 Riverside 6 miles west of Murrieta. Comment
  UCR97440  Lamium amplexicaule A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19861 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA552686  Lamium amplexicaule Steve Boyd 1992-2-26 6694 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA776334  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2010-4-10 821 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  CLARK-A1656-877  Larrea tridentata Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  POM2798  Larrea tridentata Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  RSA0087457  Larrea tridentata Sarah J. De Groot, Amy Rouillard 2015-9-15 7569 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA792576  Larrea tridentata Aaron C. Sedgwick, Duncan S. Bell 2012-9-20 118 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  SBBG37531  Larrea tridentata R. N. Muller 1967-4-8 Riverside 1.5 mi W of CA 62 on Mission Crk Rd. (4.7 mi N of jct between US Hwy 60 and St Hwy 62) 579 Comment
  UCR251960  Larrea tridentata Max Brodie 2014-4-6 04 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  CAS-BOT-BC412730  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside Vicinity of Riverside 304 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  CAS-BOT-BC338924  Lasthenia californica H. M. Hall 1902-4-7 2753 Riverside Vicinity of Riverside. Alessandro 426 Comment
  SD146011  Lasthenia californica A. C. Sanders, K. C. Rose 1998-5-21 21863 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 west of Warren Road. 456 Comment
  SD186090  Lasthenia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta. 701 Comment
  CLARK-A1528-256  Lasthenia chrysostoma C. M. Flanagan 1973-4-14 OO 105 Riverside Sunnymead 579 Comment
  RSA0069665  Lasthenia coronaria Cheryl Sevilla, Sarah J. De Groot 2015-2-18 13 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA550037  Lasthenia coronaria Walter Wisura, A. King, L. Newcomb 1992-4-10 4670 Riverside Low Desert: Whitewater Road N of I10 Comment
  UCSB6391  Lasthenia coronaria Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 road miles N. of U.S. 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  CAS-BOT-BC328106  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 2.6 km W of Lakeview and 15 m to 100 m E of the San Jacinto River and just W of an existing dirt access road. The site is approx. 440 m S of the MWD easement road. 433 Comment
  UCR18611  Lasthenia glabrata subsp. coulteri O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  POM47486  Lasthenia gracilis Mary F. Spencer 1920-4-7 1434 Riverside Palm Canyon; Colorado Desert. 244 Comment
  POM55167  Lasthenia gracilis C. F. Baker 1904-4-4 4087 Riverside Elsinore. Comment
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR1203  Lasthenia gracilis Martha McCarthy 1960-3-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along Tenaja Road, 3.8 mi. from junction with Washington Ave. in Murrieta, 25 yards from NW side of road 549 Comment
  UCR239830  Lasthenia gracilis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; hills above UCR Botanical Garden 436 Comment
  UCR90755  Lasthenia gracilis Scott D. White 1995-4-5 2741 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA608358  Lathyrus vestitus subsp. vestitus Leota Brice 1930-4-13 30 Riverside San Jacinto Mts. Comment
  UC864430  Lathyrus vestitus var. vestitus P. A. Munz and I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  VVC1155  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  OBI35674  Layia platyglossa Louis B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley-valley floor near hills N of Lakeview 457 Comment
  SD119903  Layia platyglossa Louis B. Ziegler 1966-6-21 49 Riverside San Jacinto Mountains, meadowy slope between Mountain Center and Keen Camp Summit. 1449 Comment
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May 31 2013
  SDSU17519  Layia platyglossa Jerry Jenkins 2001-4-3 2001 -030 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  UC584218  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 mi n of Elsinore Comment
  UC62889  Layia platyglossa H. M. Hall 1902-4-26 2988 Riverside vicinity Riverside 426 Comment
  UCR126984  Layia platyglossa A. C. Sanders, T. B. Salvato 2003-5-9 26585 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  POM361703  Layia platyglossa subsp. campestris Ora M. Clark 1929-3-2 1607 Riverside Near Alberhill. Comment
  POM13210  Layia platyglossa subsp. platyglossa P. A. Munz, I. M. Johnston 1922-5-20 5453 Riverside Hemet Valley, San Jacinto Mountains; sandy washes on Garner Ranch 1402 Comment
  POM13010  Lemna gibba Philip A. Munz, I. M. Johnston 1922-5-19 5437 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  SEINET12872762  Leonotis nepetifolia A. Sanders, Young, Katie 2015-3-23 41433 Riverside Cabazon Comment
  UCR76177  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-5 13684 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
  SBBG70816  Lepidium fremontii R. Hoffmann 1929-2-9 Riverside Desert Center Comment
  RSA0122715  Lepidium lasiocarpum Duncan S. Bell, LeRoy Gross 2016-3-30 9153 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA357784  Lepidium lasiocarpum R. F. Thorne 1973-3-30 42672 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA676157  Lepidium lasiocarpum Scott D. White 2001-4-3 8257 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  JOTR31226  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2010 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  SBBG133576  Lepidium latifolium S. D. White, L. Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  UCR116655  Lepidium latifolium A. C. Sanders, Carolyn Washburn 2001-5-10 24243 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR121801  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24053 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR274017  Lepidium strictum Mitch Provance 2012-4-23 412- 30 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  SD262250  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317 58 Riverside Temescal Valley: De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots. 372 Comment
  JEPS49057  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside n Palm Springs (desert); Whitewater Wash 198 Comment
  POM319671  Lepidospartum squamatum Patricia Wilder 1971-9-29 5265 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  RSA545232  Lepidospartum squamatum R. F. Thorne 1970-10 41882 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UC23804  Leptodactylon pungens H. M. Hall 1901-6 2597 Riverside near Tahquitz; San Jacinto Mountains, near Tauquitz 2529 Comment
  UCR66611  Leptodactylon pungens subsp. hallii H. M. Hall 1901-1 2130 Riverside Peninsular Range; San Jacinto Mountains, Santa Rosa Mountain, dry hillsides of Coyote Canyon 1524 Comment
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Jul 29 2010
  RSA483566  Leptosiphon lemmonii D. Charlton 1988-5-21 1967 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  UCR113192  Lessingia filaginifolia A. C. Sanders 1998-1-15 21631 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UCR21842  Lessingia filaginifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC339358  Lessingia glandulifera var. glandulifera Scott D. White 1996-8-1 4406 A Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  SD175800  Lessingia glandulifera var. glandulifera Mike Lahti 2006-9-12 1356283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet. 715 Comment
  SDSU4743  Lessingia glandulifera var. glandulifera Florence Youngberg 1933-8-28 1553 Riverside Idyllwild Pines, San Jacinto Mts. Comment
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Jan 24 2013
  SFV11433  Lessingia glandulifera var. glandulifera M. L. Vincent 1963-10-19 444 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  RSA388404  Leymus condensatus R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61183 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  RSA516755  Leymus condensatus Ed LaRue 1989-4-25 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons., (All of sec. 33, W/2 sec. 34, NW/4 sec. 3 (T 6S) small portion of eastern sec. 35) 488 Comment
  UCD87724  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside Riverside and vicinity. W of Temecula. Comment
  RSA192226  Lilaea scilloides E. W. Lathrop 1966-5-1 6245 Riverside 3 miles W of Murrieta Comment
  RSA543152  Linanthus bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6021 Riverside Vail Lake region, alluvial benches along Kolb Creek, S of Hwy 79 at Jtn w/ Woodchuck Rd. 494 Comment
  LA206675  Linanthus californicus Elizabeth McClintock; J. Fenley 1937-7-10 sn Riverside San Jacinto Mountains, between Hidden Lake and Round Valley Comment
  UCR227588  Linanthus dianthiflorus Duncan S. Bell, Valentin Arvizu 2010-5-24 1106 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
  UCR258874  Linanthus dianthiflorus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7917 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
  UCR155950  Linanthus floribundus Scott D. White 1994-4-23 2030 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  RSA554019  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  CLARK-A1528-711  Linanthus maculatus Charlotte Stocks 1965-5-10 Riverside Whitewater Wash Comment
  UC1608254  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Creek, from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  UCR207521  Linum grandiflorum O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA435721  Linum lewisii N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCR13412.2  Lithophragma affine William E. Mortenson 1973-5-27 8 Riverside San Jacinto Mtns., 14.1 mi south of Banning on Calif. Route 243 (Palms to Pines Hwy). 100 yds. west of Hwy in a wooded area 1677 Comment
  RSA586160  Lithophragma affine subsp. affine D. L. Banks, Steve Boyd 1995-3-30 0125 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  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
  CSUSB1431  Lobularia maritima A. P. Donaldson 1966-4-29 S. N. Riverside Collected on sidewalk in front of 3280 McKenzie Street 262 Comment
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Jun 16 2013
  CAS-BOT-BC401085  Loeseliastrum matthewsii Sarah J. De Groot; April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley 396 Comment
  RSA468348  Loeseliastrum schottii M. B. Dunkle 1937-3-25 4940 Riverside Southeast of Indio. Comment
  RSA748289  Loeseliastrum schottii Justin M. Wood 2009-3-26 417 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  SBBG99597  Loeseliastrum schottii W. L. Halvorson 1977-3-8 77 -88 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SD241133  Loeseliastrum schottii Dave Silverman, Onkar Singh 2010-3-27 7866 Riverside McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, W of A Canal/Levee Blvd., and ca. 7 km N of Blythe Airport. 135 Comment
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Apr 24 2017
  UC1595637  Logfia filaginoides Steve Boyd 1991-5-10 6212 Riverside bottom of Skyline Drive just n of mouth Hagador Canyon (base of Santa Ana Mountains); Santa Ana Mountains 426 Comment
  UCR84846  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose, Denise Woodard 1995-3-15 16127 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SDSU13914  Logfia gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2135 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR90342  Logfia gallica Scott D. White 1995-6-30 3439 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA575975  Lolium perenne Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau 610 Comment
  RSA613151  Lomatium dasycarpum D. L. Banks 1997-4-5 1659 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR21018  Lomatium dasycarpum A. C. Sanders, Steve Boyd 1980-5-19 01499 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  RSA452110  Lomatium mohavense subsp. mohavense N. C. Cooper 1944-5-20 1256 Riverside Palms to Pines Hwy. San Jacinto Mts. 1432 Comment
  UC1536025  Lomatium utriculatum Robert F. Thorne 1973-5-23 45532 Riverside Santa Rosa Plateau--Mesa de Colorado 609 Comment
  RSA666631  Lonicera subspicata A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25022 Riverside The Badlands: canyon above Eden Hot Springs. 549 Comment
  CAS-BOT-BC234889  Lonicera subspicata var. denudata E. W. Lathrop 1964-5-24 5388 Riverside miles W of Murrieta Comment
  SD143959  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 Riverside Bautista Canyon, Hixon Trail (USFS no. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at ca 3200 ft. 790 Comment
  SEINET2062202 Image available Lotus argophyllus var. argophyllus B. Pitzer 1986-5-24 242 Riverside Whitewater Canyon, ca. 5 miles N of Hwy I-10 on Whitewater Canyon Road, from N edge of hatchery to ca. 1/4 mile N of hatchery boundary, Whitewater 7.5' Quad. 731 Comment
  UCR275954  Lotus crassifolius T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3795 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
  RSA557900  Lotus hamatus Steve Boyd, Orlando Mistretta 1992-4-22 7015 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA704877  Lotus heermannii J. B. B. 1934-2-19 s.n. Riverside Idyllwild. Comment
  UCR116796  Lotus heermannii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24150 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  POM13048  Lotus rigidus P. A. Munz, D. D. Keck 1922-4-9 4847 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA406793  Lotus rigidus Anstruther Davidson 1895-04 s.n. Riverside Palm Springs; Colorado Desert. Comment
  RSA90380  Lotus salsuginosus var. brevivexillus F. W. Peirson 1927-4-12 7155 Riverside Painted canyon, near Mecca. Comment
  RSA662127  Lotus scoparius Daniel Curran 1981-2-16 17 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  JOTR31043  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  SEINET223327 Image available Lotus scoparius var. brevialatus Barbara Ertter, Jeffrey Strachan 1980-5-20 3469 Riverside West side Whitewater Hill east side Whitewater Wash northeast end of Cachella Valley north of I-10 457 Comment
  RSA795819  Lotus strigosus C. P. Cowan 1978-4-25 1267 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  RSA799918  Lotus strigosus Justin M. Wood, D. M. Ray 2011-4-28 3851 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UC68650  Lotus strigosus H. M. Hall Apr 1905 5830 Riverside Mecca -60 Comment
  UCR103279  Lotus strigosus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3587 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
  UCR152517  Lotus strigosus A. C. Sanders 2005-4-22 29602 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR207315  Lotus strigosus O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  UCR256766  Lotus strigosus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7882 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  POM7046  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2390 Riverside Palm Springs. (Cabazon) 543 Comment
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Mar 13 2011
  CSUSB1242  Lotus tomentellus Shirley Hill 1963-3-13 630313 2 Riverside Desert wash at place where houses cease on Vista Chino Street, Palm Springs, about 500 yards up wash. Comment
  RSA406374  Lotus tomentellus N. C. Cooper 1936-1 2164 Riverside West side of Colorado Desert. 30 Comment
  RSA524435  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4051 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA568836  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  POM276399  Lupinus arizonicus Lyman Benson 1933-3-31 4165 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  POM349956  Lupinus arizonicus M. B. Dunkle 1933-3-4 3037 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA550275  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4621 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA777758  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1079 Riverside Shavers Well area of Mecca Hills 305 Comment
  RSA779202  Lupinus arizonicus Jim Andre 2011-2-9 15940 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  UC710910  Lupinus arizonicus C. L. Hitchcock 1940-4-4 5961 Riverside Pinto Basin Comment
  UCR97478  Lupinus arizonicus John Wear, N. Moorhatch 1997-3-21 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  JEPS29311  Lupinus bicolor Rimo Bacigalupi and L. Heckard 1962-3-25 8406 Riverside 3.3 mi nw Alberhill (on w-facing hillslope near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from w)); western base of Estelle Mountain, Temescal Wash and Cyn 335 Comment
  RSA660639  Lupinus bicolor Lydia Paneri 1982-4-17 2 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SEINET3101908  Lupinus bicolor Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17378 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  UCR199563  Lupinus bicolor Scott D. White 2004-4-26 10267 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  POM12737  Lupinus bicolor subsp. microphyllus Philip A. Munz 1922-4-29 5079 Riverside [Sedco] Station, south of Elsinore. Comment
  RSA525689  Lupinus bicolor subsp. microphyllus Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, F. M. Cota 1990-5-3 4560 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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May 31 2008
  RSA613464  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1997-3-13 1457 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET10903820  Lupinus bicolor subsp. microphyllus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7142 Riverside Scattered yellow pine at margin of large valley, 5.9 miles se of junction of Idlewild road and hwy 74 on 74. Annual 1341 Comment
  POM350018  Lupinus bicolor subsp. umbellatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SD73601  Lupinus concinnus Helen V. Witham 1970-4-29 814 Riverside Highway 74, 1.0 mile west of Lake Hemet. 1200 Comment
  RSA543773  Lupinus concinnus subsp. concinnus Steve D. Boyd 1991-5-7 6175 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA561012  Lupinus concinnus subsp. concinnus Steve D. Boyd, Tim S. Ross 1992-5-4 7198 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SEINET10937080  Lupinus densiflorus var. austrocollium Tilforth 1979-5-23 TILFORTH 1806 Riverside White flwd annual with grasses, delphinium parryi, adenostoma fasciculatum, Solanum parishii. Murrieta-deluz rd., Ca 2 air mi. S of murrieta. 335 Comment
  POM2500  Lupinus excubitus var. hallii I. M. Johnston 1918-5-30 1996 Riverside Temescal Canyon 366 Comment
  RSA502514  Lupinus excubitus var. hallii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3571 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA430395  Lupinus formosus M. L. Conrad, David B. Dunn, LeDoux 1973-6-15 292 Riverside 5.9 miles SE of Jct. of Idlewild Road and Hwy 74 on 74. 1220 Comment
  RSA503808  Lupinus formosus N. C. Cooper 1945-5-24 1640 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR35022  Lupinus formosus L. B. Ziegler 1967-4-18 112 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  UCR3349  Lupinus hirsutissimus T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5.5 mi south on Old Banning-Idyllwild Rd. 988 Comment
  UCR92679  Lupinus latifolius Scott D. White, M. D. Wilcox 1995-7-11 3464 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  RSA673557  Lupinus latifolius var. parishii Scott D. White, Tasha La Doux 2000-4-20 7692 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA0028837  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA676294  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC1979544  Lupinus sparsiflorus Darin L. Banks, Steve Boyd 1995-5-3 232 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  SFV9217  Lupinus truncatus J. H. Lane 1972-4-9 66 Riverside Pauba Valley in vicinity of Temecula. Highway 71, 1 road mile west of junction of Highway 395 and Highway 71. Slope of low hills to east of road. Comment
  SEINET3825223 Image available Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon, 2 miles north of Boulevard from Banning to Indio Comment
  UCR712  Lycium andersonii Alan Chamberlain 1957-3-16 s.n. Riverside Riverside, Box Springs Mtns, SSW slope of 2556 ft. peak above streambed in Big Springs Canyon 396 Comment
  RSA428846  Lycium cooperi Christopher Davidson 1973-4-19 1985 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  JOTR35222  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  UC494499  Lycium pallidum var. oligospermum Philip A. Munz 1931-3-13 11969 Riverside 5 mi sw Blythe Comment
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Dec 3 2011
  UCR6739  Lythrum californicum O. F. Clarke 1967-11-4 671104- 2 Riverside Santa Ana River channel, 0.25 mi. upstream from Salt Lake Railroad Bridge Comment
  RSA678927  Lythrum hyssopifolia Scott D. White, Michael Honer 2003-6-3 9470 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA160518  Machaeranthera asteroides var. asteroides J. Olmstead 1959-9-23 1000 Riverside Base of San Jacinto Mtns. Valle Vista along road crossing of dry wash at junction of roads from Hemet and San Jacinto. Bautista Cyn. / San Jacinto Riv. drainage. 549 Comment
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Mar 27 2011
  RSA192188  Madia gracilis E. W. Lathrop 1960-6-8 4919 Riverside 14 miles west of Murrieta Comment
  UCR193911  Madia gracilis A. C. Sanders, Mitch Provance 2008-7-11 35809 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA463262  Mahonia nevinii L. F. LaPre, K. Campbell 1988-1-22 s.n. Riverside Tonan property, along Temecula Creek on old Vail Ranch, E of Temecula. Comment
  SD152812  Malacothamnus densiflorus Steve Boyd 1992-4-14 6831 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA95026  Malacothrix coulteri F. W. Peirson 1922-4-29 2959 Riverside Roadside 2 miles south of Elsinore Comment
  CAS-BOT-BC347681  Malacothrix glabrata C. L. Hitchcock 1940-4-3 5929 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument Comment
  CAS-BOT-BC347688  Malacothrix glabrata LeRoy Abrams 1903-4-6 3213 Riverside Cabazon Comment
  CAS-BOT-BC347696  Malacothrix glabrata Paul F. Covel 1938-4-21 1185 Riverside Just east Banning Comment
  HSC99166  Malacothrix glabrata Paul J. CaraDonna 2009-3-15 121 Riverside Cholla Gardens, Joshua Tree National Park Comment
  JEPS36648  Malacothrix glabrata Newlon 1922-4-3 427 Riverside 6 mi w Indian Wells Comment
  OBI8322  Malacothrix glabrata David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12066 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  RSA605236  Malacothrix glabrata A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-12 16042 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -8 Comment
  UCR133658  Malacothrix glabrata Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UCR86853  Malacothrix glabrata A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  UCR82222  Malva parviflora J. M. Stewart 1994-5-2 840 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  OBI52753  Marah macrocarpa Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl 381 Comment
  UCR84271  Marah macrocarpa A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15909 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  CAS-BOT-BC216176  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  JOTR37436  Marina parryi Hodges, Stephen R., T. Hender 2015-12-30 558 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  RSA220379  Marina parryi C. W. Tilforth, John Dourley 1971-4-15 346 Riverside Ca. 7 miles NNE of Desert Center, Valley floor SE of Eagle Mountains. Comment
  RSA404231  Marina parryi L. H. Jones 1910-3-18 s.n. Riverside Riverside Mtn, Colorado River. Comment
  UC494398  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside Corn Springs, e Riverside County Corn Springs Comment
  RSA612845  Matricaria matricarioides D. L. Banks 1997-3-1 1371 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
  UCR127563  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-21 26794 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
  RSA747965  Matricaria occidentalis Justin M. Wood 2009-5-15 712 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UC865632  Medicago lupulina Crawford and Johnston 1917-6-9 1234 Riverside near Corona; Santa Ana River Comment
  POM348040  Medicago polymorpha Ora M. Clark 1929-3-2 1633 Riverside Near Elsinore. Comment
  CSUSB1098  Medicago sativa Markell Kohn 1959-4-4 Riverside In field, northwest corner of Canyon Crest Drive/Linden Street intersection. Canyon Crest Village in city of Riverside. Comment
  CAS-BOT-BC47746  Melia azedarach A. C. Sanders 2006-5-11 32269 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. 388 Comment
  UCR124097  Melica frutescens Steven R. Hill 2001-5-3 33666 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR187358  Melica frutescens R. E. Riefner Jr. 2006-8-2 06- 350 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW c. 0.75 mi. from Leon Rd. 580 Comment
  SD197629  Melica imperfecta Mike Misenhelter 2005-6-8 Riverside Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Highway 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1000 Comment
  UC736843  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR133447  Melica imperfecta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 453 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR4062  Melica imperfecta Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns., 2 mi from Banning railroad crossing on road [Hwy 243] to Idyllwild. 732 Comment
  RSA781389  Mentzelia affinis Duncan S. Bell 2010-5-1 908 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  UC68742  Mentzelia affinis H. M. Hall apr 1905 5766 Riverside Colorado Desert, Cathedral Cayon 91 Comment
  SBBG97173  Mentzelia involucrata W. L. Halvorson 1977-2-5 77 -11 Riverside bajada, near jct of I-10 and rd to Joshua Tree Nat Monument Comment
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Jun 4 2012
  UCR104031  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2737 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR101459  Mentzelia laevicaulis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22228 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  JEPS42854  Mentzelia laevicaulis var. laevicaulis Marjorie D. Clary 1929-7-8 11 Riverside Whitewater Canyon Comment
  RSA526513  Mentzelia micrantha Steve Boyd, T. S. Ross 1990-5-11 4707 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR193409  Mentzelia montana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35578 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  RSA543933  Microseris douglasii subsp. douglasii Steve Boyd, David E. Bramlet 1991-5-13 6233 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR103488  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2306 Riverside Lake Mathews Reserve, approx 1.98 km east of the intersection of Cajalco Rd. and Sierra Ave., 152 m south of Cajalco Road and 50 m west of the access road to the Black Rocks area 442 Comment
  UCR217515  Microseris douglasii subsp. platycarpha Lee A. Ripma 2008-3-21 36 Riverside Perris-Aguanga Basin, Gavilan Hills, East of Hwy 15, about 500m south of Lake Matthews and 400m south of Cajalco Rd 429 Comment
  RSA660566  Microseris heterocarpa Starr Streight 1982-4-17 21 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR226049  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-4-1 38954 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  RSA621596  Microseris lindleyi D. L. Banks 1997-5-5 2006 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
  RSA716263  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET10808319  Microseris lindleyi Mitch C. Provance 2003-4-26 Provance 9897 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common). 274 Comment
  UCR152633  Microseris lindleyi A. C. Sanders 2005-4-22 29590 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA0013705  Microsteris gracilis LeRoy Gross, Grace Cho 2013-4-9 6001 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR116705  Mimulus aurantiacus var. pubescens Dan Hare 2001-6-14 s.n. Riverside San Jacinto Mtns., Hwy 74, 3.5-4 miles west of Mountain Center 1098 Comment
  POM8965  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2298 Riverside Butte west of Lakeview. 610 Comment
  RSA585180  Mimulus aurantiacus var. puniceus D. Atwood 1993-3-26 17662 Riverside 1.5 mi. S. of Lake Elsinore, along Hwy 74. 671 Comment
  JEPS16175  Mimulus bigelovii var. bigelovii Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4041 Riverside 3 mi n Shavers Summit (close to head of Lost Palms Canyon); Joshua Tree National Monument 762 Comment
  RSA408056  Mimulus bigelovii var. bigelovii Christopher Davidson 1979-4-4 7725 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA523532  Mimulus brevipes Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3991 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SFV17401  Mimulus brevipes M. S. Valenzuela, P. Wilson 1998-6-2 67 Riverside Highway 74 near mile marker 54. Found along a creek. Comment
  UCSC000865  Mimulus cardinalis Peter Kamb 1948-7-11 1199 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UCR90411  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-6-2 559 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  RSA614599  Mimulus floribundus A. C. Sanders, Steve Ogg 1994-7-28 15182 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UC27069  Mimulus floribundus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  LA209476  Mimulus fremontii Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, Pine Cove Comment
  LA209759  Mimulus fremontii var. fremontii Norman C. Cooper; 1944-5-21 1224 Riverside San Jacinto Mtns., W side 914 Comment
  UCR163338  Mimulus guttatus T. B. Salvato, Kelly Volansky 2003-3-27 127 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA356745  Mimulus guttatus subsp. guttatus Robert F. Thorne 1973-5-23 45517 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  UC76436  Mimulus nasutus Miss M. Alice King March, 1893 Riverside Menifee Comment
  UCR82901  Mimulus parishii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15803 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CLARK-A1528-4263  Mimulus pilosus E. W. Lathrop 1966-5-25 6336 Riverside La Laguna Comment
  JEPS10589  Mimulus pilosus W. L. Jepson May 17 1901-Jun 1 1901 1368 Riverside Palm Canyon; and return to Van Deventer's Comment
  UCR72435  Mimulus pilosus Steve Morgan, H. M. Soldan 1992-5-25 92 3 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  JEPS11002  Mimulus primuloides Carl V. Meyer 1928-7-31 602 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  UCR4233  Mirabilis bigelovii K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 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
  SEINET3225532 Image available Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 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 204 Comment
  CAS-BOT-BC434679  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles south of Corona. Comment
  SD187440  Mirabilis laevis var. crassifolia Scott D. White, Angelia Carey 2004-4-16 10179 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  SBBG1884  Mirabilis laevis var. villosa H. and M. Dearing 1936-12-25 2819 Riverside Long Cyn, Colorado Desert Comment
  JOTR35327  Mohavea confertiflora Harding, Mitzi, Mark Wheeler 2012-2-28 94 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  LA62613  Monardella australis subsp. australis Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, along trail to Round Valley Comment
  UC1995359  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside trail to Round Valley; San Jacinto Mts. Comment
  UCR161453  Monardella breweri subsp. lanceolata Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., W side of Pine Cove, south of Logan Creek near Truck Trail 1829 Comment
  RSA0124007  Monardella nana Duncan S. Bell, Thomas Stoughton 2016-4-13 9244 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UC1499821  Monardella nana Elizabeth McClintock 1941-7-21 125 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond the creek which is above Willow Creek. Comment
  UC1499877  Monardella nana Elizabeth McClintock 1940-9-1 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  UC1499884  Monardella nana Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turn off to Anza Tablet. After crossing a narrow valley, passing a ranch house, crossing a sluggish stream and going through a second gate Comment
  UCR272823  Monardella nana Mitch Provance, Justin E. Smith 2015-7-22 715- 04 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  LA57197  Monardella nana Carl Epling; K. Simmons 1939-6-12 s.n. Riverside Santa Rosa Mts Comment
  IRVC2060  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-8 SJ 304 Riverside Marion Mountain Trail. Peninsular Ranges, San Jacinto Mountains 2424 Comment
  UC1499803  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 107 Riverside trail to Deer Springs (a short distance below first spring which crosses trail); San Jacinto Mts. Comment
  UCR20635  Monardella nana subsp. tenuiflora W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, Black Mtn. Road 2073 Comment
  SEINET10582076  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 40 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  UCR121352  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24610 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
  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
  CLARK-A1528-414  Monolepis nuttalliana Oscar F. Clarke 1970-9-24 Riverside Riverside Comment
  JOTR28937  Monoptilon bellioides La Doux, Tasha 2005-3-30 1173 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA363578  Monoptilon bellioides M. B. Dunkle 1932-3-25 2898 Riverside Cathedral Canyon Comment
  RSA49353  Monoptilon bellioides P. A. Munz 1949-4-11 13013 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  SBBG55751  Monoptilon bellioides D. Keil, M. McLeod, D. Walters 1977-3-28 12073 Riverside Pinto Basin Rd, ca. 11 mi S of N park boundary, Joshua Tree Nat Monument Comment
  SFV17328  Monoptilon bellioides J. N. Hogue, J. D. Dilley 1998-4-23 108 .11 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC672209  Monoptilon bellioides Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
  UCR102742  Monoptilon bellioides B. G. Pitzer 1998-2-1 3440 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  POM13812  Montia fontana P. A. Munz 1922-5-21 5521 Riverside Hemet Valley, San Jacinto Mts 1387 Comment
  SEINET2153727  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  UCR2783  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside. Spring Brook above Fairmont Park. Comment
  JOTR31899  Muhlenbergia microsperma La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2148 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  POM8787  Muhlenbergia microsperma P. A. Munz 1920-4-11 3810 Riverside Santa Ana River Canyon. 304 Comment
  JOTR30295  Muhlenbergia porteri La Doux, Tasha, Jim Andre 2007-9-6 129 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 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
  RSA563909  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  RSA0039601  Nama demissa Deidre Conocchioli, Duncan S. Bell 2014-3-4 145 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA421114  Nama demissa Ora M. Clark 1929-2-23 1559 Riverside N. Whitewater. Comment
  UCD119564  Nama demissa var. demissa Geoffrey Levin 1976-3-27 691 Riverside Chino Canyon, west of Palm Springs. 396 Comment
  SEINET5520870  Nama hispida H. M. Hall 5886 Riverside Colorado Desert. Chuckawalla Bench. Comment
  RSA648067  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  UC2061796  Nama pusilla Susan Fawcett, B. G. Baldwin 2017-5-14 767 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA757987  Nassella cernua Doug Goldman 2005-5-11 3289 Riverside Garner Valley, just north of the village of Thomas Mountain, about 0.1 miles northwest of Morris Ranch Road and about 0.2 miles northeast of Route 74. San Bernardino National Forest. 1378 Comment
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  JEPS493  Nassella pulchra E. Bartholomew Riverside Riverside Comment
  POM220131  Navarretia atractyloides F. M. Reed 1932-6-20 7239 Riverside Dry roadside opposite Prison Camp at Dripping Springs - road from Temecula to Aguanga. Comment
  UCR174316  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32558 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
  RSA617829  Navarretia fossalis R. E. Riefner 1998-8-13 98 -463 Riverside Elsinore Trough. W. of Menifee/ Murrieta. Comment
  RSA642576  Navarretia prostrata Stan C. Spencer 1994-6-1 4601 -12 Riverside Santa Rosa Plateau. Mesa de Burro. N end. Comment
  UC178672  Nemacaulis denudata var. gracilis Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
  HSC78533  Nemacladus longiflorus J. C. Roos 1947-3-15 3343 Riverside 1 mi. E of Valle Vista. 549 Comment
  RSA771691  Nemacladus longiflorus var. breviflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4687 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  JEPS22335  Nemacladus orientalis Peter H. Raven 1958-3-1 11748 Riverside 8.6 mi n Blythe (on U.S. Highway 95) Comment
  UCR68864  Nemacladus pinnatifidus Steve Boyd, T. S. Ross 1990-5-11 4705 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA395910  Nemacladus ramosissimus Steve Boyd 1986-4-22 1770 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  SEINET10461025  Nemacladus ramosissimus Wilder WILDER 575 Riverside Jurupa Mountains, Wilder's Canyon Comment
  POM12681  Nemacladus tenuis var. aliformis P. A. Munz 1922-4-9 4745 Riverside Palm Springs. 76 Comment
  SD233791  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A Riverside Colorado Desert; Western Colorado Desert Region: North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  RSA802257  Nemophila menziesii Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5004 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR107894  Nemophila menziesii G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UCR213512  Nemophila menziesii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37838 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR49231  Nemophila menziesii Steve Boyd 1980-5-8 1610 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCSB46709  Nemophila menziesii James, Susanne 1977-4-7 Riverside South of Lake Matthews; southern Riverside Co., CA 457 Comment
  SEINET7063430  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on East Benton Road. UTM Zone 11, 499198mE, 3715007mN. (WGS84/NAD83). 549 Comment
  RSA262085  Nicotiana bigelovii var. wallacei E. W. Lathrop 1968-5-22 6948 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR12273  Nicotiana clevelandii Art Whistler 1966-3-26 s.n. Riverside Colorado Desert/ Santa Rosa Mtns, alluvial fan below Deep Canyon, 1 mi. from the Boyd Desert Research Center. Comment
  UCR166719  Nicotiana clevelandii Scott D. White, Jennifer H. Jones 2005-4-12 10867 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  CSUSB759  Nicotiana glauca I. Rauch 1968-3-23 Riverside Box Springs Mountains Box Springs Mountains Comment
  SD122192  Nicotiana glauca James C. Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing 245 Comment
  UC279712  Nicotiana obtusifolia unknown 1926-2-20 Riverside near Salton (Canyon Springs Wash); Canyon Springs Wash Comment
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Nov 5 2011
  RSA0018759  Nicotiana obtusifolia F. W. Peirson 1917-4-1 1089 Riverside Andreas Canyon near Palm Springs. Comment
  UCR116679  Nicotiana quadrivalvis A. C. Sanders, Chet McGaugh 2001-7-26 24471 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  RSA102325  Nolina parryi S. B. Parish, W. F. Parish 1882-06 910 Riverside Coahuilla, San Jacinto Mountains. Comment
  CLARK-A1528-1497  Nolina parryi subsp. wolfii John C. Roos, Lucille Roos 1952-10-18 5904 Riverside Little San Bernardino Mountains 1219 Comment
  CAS-BOT-BC71174  Notholaena californica S. B. Parish; W. F. Parish 1884-4-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mt. Comment
  IRVC26251  Oenothera californica A. C. Sanders, D. Malueg 2003-5-8 26562 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  UCR262447  Oenothera californica John F. Green 2015-6-23 615- 01 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  POM355585  Oenothera deltoides subsp. deltoides Glenn Shryoek 1928-3-17 s.n. Riverside Colorado Desert. Painted Canyon. Comment
  JEPS44071  Oenothera elata subsp. hirsutissima Marjorie D. Clary 1932-8-7 236 Riverside Snow Creek Colorado Desert, San Jacinto Mts. 426 Comment
  RSA660931  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside NE edge of UCR campus, E of A & I dorms and S of Watkins Dr., near Parking Services Bldg. 335 Comment
  JOTR31215  Oligomeris linifolia La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1397 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  LA205147  Olneya tesota Sponsler; 1925-4-18 6968 Riverside 6 mi. E of Mecca Comment
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Feb 22 2014
  RSA779801  Olneya tesota Duncan S. Bell 2009-3-9 100 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  SD185153  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Gilman Springs Road at Quail Lake Golf Course. 438 Comment
  UCD134649  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Road at Quail Lake Golf Course. 438 Comment
  RSA0002172  Opuntia erinacea var. paucispina M. B. Dunkle 1934-11-3 4236 Riverside Ribbonwood, Santa Rosa Mt. Comment
  SEINET9037780 Image available Opuntia phaeacantha M. A. Baker 2015-1 18401 Riverside San Gorgonio Pass, 32km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4km ENE of Banning, broad wash of sand, silt, rock, and gravel, mostly granitic 638 Comment
  CAS-BOT-BC355578  Oreostemma alpigenum var. andersonii H. M. Hall 1901-7-30 2574 Riverside San Jacinto Mountains.Tahquitz Valley 2499 Comment
  UC469006  Oreostemma alpigenum var. andersonii F. M. Reed 1908-7-10 2532 Riverside Round Valley San Jacinto Mountains 2743 Comment
  JEPS46553  Orobanche Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6205 Riverside 20 mi n Desert Center (along the Parker Dam Hwy from Rice to Desert Center, and about 3-4 mi e of eastern base of Coxcomb Mts.); Colorado Desert 243 Comment
  RSA0084353  Orobanche bulbosa Philip A. Munz, I. M. Johnston 1922-5-19 5330 Riverside 5 mi. N.E. of Murietta. 426 Comment
  JEPS85951  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4529 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  SBBG7248  Orobanche cooperi H. and M. Dearing 1940-1-1 4066 Riverside NE of Mecca Comment
  UCD123190  Orobanche cooperi Steve Boyd; Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains: Northeast of Desert Center, jtn of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 243 Comment
  RSA0066539  Orobanche cooperi subsp. cooperi Frank W. Peirson 1917-4-1 1176 Riverside Near Palm Springs, Coachella Valley. Comment
  RSA0069021  Orobanche cooperi subsp. cooperi Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA0076582  Orobanche multicaulis Barry A. Prigge, L. Martinez 1978-3-23 2414 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA0010923  Orthocarpus densiflorus var. gracilis Marion P. Harthill 1976-5-5 s.n. Riverside Cleveland National Forest. 2000' ele. 610 Comment
  POM13866  Orthocarpus purpurascens var. purpurascens Philip A. Munz 1922-4-29 5104 Riverside 3 miles west of Dripping Spring. 579 Comment
  JEPS38571  Osmadenia tenella W. L. Jepson 1901-5-31 1556 Riverside Walter's Ranch Temescal Wash Comment
  RSA508015  Osmorhiza brachypoda Steve Boyd, C. Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2293 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA279603  Oxytheca caryophylloides James L. Reveal, Barbara J. Etter 1976-6-30 4527 Riverside San Jacinto Mts along Highway 243 at the turnoff to Black Mountain north of Idyllwild 1616 Comment
  UCR217526  Oxytheca caryophylloides Jeff B. Galvin 2010-6-17 136 Riverside San Jacinto Mtns, Black Mountain trail. c. 1/2 mile east of Hwy 243 and 1/2 mile north-northeast of Bay Tree Spring 1728 Comment
  SD217338  Paeonia californica Steve Boyd, Tim Toss and Orlando Mistretta 1992-2-2 6660 Riverside San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UCR35093  Paeonia californica L. B. Ziegler 1967-2-20 110 Riverside San Jacinto Mtns., Red Mountain Road off Hwy 79 762 Comment
  CAS-BOT-BC327910  Palafoxia arida Geo. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert. Palm Springs Comment
  RSA707591  Palafoxia arida Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 02 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  RSA778484  Palafoxia arida Duncan S. Bell 2009-3-8 49 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR109476  Palafoxia arida A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19655 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  POM363745  Palafoxia arida var. arida M. B. Dunkle 1932-2-25 2922 Riverside 6 miles NW of Indio. Comment
  POM6184  Palafoxia arida var. arida George B. Grant 6748 Riverside Palm Springs. Comment
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Mar 1 2014
  RSA28088  Palafoxia arida var. arida I. L. Wiggins 1941-3-27 28088 Riverside 4 miles northeast of Desert Center on road to Rice. Comment
  RSA779623  Palafoxia arida var. arida Duncan S. Bell 2010-4-1 655 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  POM78993  Panicum capillare I. M. Johnston 1925-7-19 s.n. Riverside Pedley-Arlington Road. Comment
  UCR260953  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6010 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south side of Hwy I-10, c. 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well 122 Comment
  POM116050  Panicum urvilleanum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SD126619  Parietaria hespera var. californica Ed LaRue 1989-4-12 Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  UCR260591  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., opposite So. Cal. Edison Ivy Glen Substation, Temescal Valley at mouth of Mayhew Canyon, west of the I-15 crossing of Temescal Canyon Rd., north of massive mining operation, 0.6 km SE (101 deg. ) of Temescal Fire Station 329 Comment
  JOTR34331  Parkinsonia florida Andre, Jim 2012-4-11 20837 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  LA45755  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  RSA0041947  Parkinsonia florida Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA788974  Parkinsonia florida Aaron C. Sedgwick, David Fraker 2012-3-28 28 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  RSA0073235  Parosela schottii Bonnie C. Templeton, I. W. Clokey 1930-4-9 1000 Riverside North of Palm Springs, Colorado Desert. 304 Comment
  RSA588596  Paspalum distichum D. L. Banks, Steve Boyd 1995-10-17 807 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  RSA387326  Pectis papposa Aaron Liston, Thomas S. Elias, Oscar Dorado, S. Zona 1986-11-29 643 -2 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
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Oct 9 2010
  SEINET10292270 Image available Pectis papposa var. papposa April Garbat, Deirdre Conocchioli 2013-9-12 125 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: East of Alligator Rock; From I-10 at Desert Center, head south on CA-177 to BLM 394 (dirt). Collection site is 1.1 miles SW of insterstate exit ramp. 334 Comment
  UC640230  Pectis papposa var. papposa Frank W. Peirson 1938-11-12 12636 Riverside directly opposite the road from Mecca (Imperial Valley Boulevard); Imperial Valley Boulevard 0 Comment
  POM8540  Pectocarya heterocarpa Mary F. Spencer 1920-4-9 115 Riverside In desert sand. Palm Springs. 122 Comment
  RSA0123297  Pectocarya heterocarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8982 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
  RSA682121  Pectocarya heterocarpa Valerie Soza 2003-3-15 s.n Riverside Orocopia Mountains. Comment
  UCR116610  Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR249666  Pectocarya heterocarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7304 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR272257  Pectocarya heterocarpa Duncan S. Bell, Thomas R. Stoughton 2010-3-19 578 Riverside Mojave Desert, west side of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.5 air miles west of Priest Well 418 Comment
  UCR171964  Pectocarya linearis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR228913  Pectocarya linearis A. C. Sanders 2011-4-7 39030 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
  SEINET7882516 Image available Pectocarya linearis Jean Coulson 1959-1 127 Riverside U. C. R. Campus, Riverside County, California, 200 yds. S. of water tank. Comment
  UC1922425  Pectocarya linearis subsp. ferocula Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  HSC93337  Pectocarya penicillata Scott White 1996-4-14 3921 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA525459  Pectocarya penicillata Steve Boyd 1990-4-29 4505 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR106414  Pectocarya penicillata Scott D. White 1995-4-5 2718 .1 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR175238  Pectocarya platycarpa Jim Andre, T. La Doux 2006-4-11 6743 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR41560  Pectocarya platycarpa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6018 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA597414  Pectocarya recurvata L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  RSA777632  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 769 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA799403  Pectocarya recurvata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 744 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UCR213268  Pectocarya recurvata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37441 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA747873  Pectocarya setosa Justin M. Wood 2009-5-11 696 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  POM9752  Pellaea andromedifolia var. andromedifolia P. A. Munz 1921-12-31 4697 Riverside Andreas Canyon, Palm Springs. Comment
  RSA747986  Pennisetum setaceum Scott D. White, Justin M. Wood 2009-4-29 12619 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SEINET5796827 Image available Penstemon antirrhinoides I. W. Clokey, E. G. Anderson 1936-1 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  POM12004  Penstemon centranthifolius Philip A. Munz, I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch, Morongo Pass. 762 Comment
  UCSB47315  Penstemon centranthifolius Hibbard, Doug 1977-5-6 Riverside north west side of Hwy 74; 11.8 mi up from its intersection with Hwy 111 1036 Comment
  UCR164932  Penstemon spectabilis T. B. Salvato, John F. Green 2004-5-27 627 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
  UCR268278  Penstemon spectabilis var. subviscosus Jim Andre 2012-6-15 30503 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA180314  Pentachaeta aurea E. W. Lathrop 1959-4-2 4409 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  UCR262255  Pentachaeta aurea T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3731 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
  RSA0123160  Pentagramma triangularis Duncan S. Bell, LeRoy Gross 2016-3-30 9158 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA0070725  Pentagramma triangularis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 615 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  SEINET3154048  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  UCSB3815  Peritoma arborea Gray, Caroline 1956-4-14 Riverside 1 mi. south of southern entrance of Joshua Tree National Monument Comment
  GMDRC5488  Peritoma arborea var. arborea J. Andre 2012-4-16 20895 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  SBBG8654  Perityle emoryi H. and M. Dearing 1936-12-26 1886 Riverside foot of Palms to Pines Hwy Comment
  UCR103554  Perityle emoryi George K. Helmkamp 1998-1-17 2539 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR97633  Perityle emoryi John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, S of Chino Canyon, at NW end of Palm Springs. 350 Comment
  UCR15388  Petalonyx linearis George K. Helmkamp 1977-3-20 s.n. Riverside western Colorado Desert, wash alongside Deep Canyon Reserve 305 Comment
  UCR19126  Petalonyx thurberi John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Wash Comment
  LA49854  Petalonyx thurberi subsp. thurberi Victor Duran; 1933-7-3 3500 Riverside Coachella Valley, Deep Canyon 243 Comment
  CAS-BOT-BC326729  Peucephyllum schottii unspecified 1905-4-1 s.n. Riverside Coachella Comment
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Sep 3 2017
  POM14297  Peucephyllum schottii P. A. Munz, D. D. Keck 1922-4-9 4810 Riverside South base of Eagle Mtns. 183 Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  SBBG8667  Peucephyllum schottii H. and M. Dearing 1941-4-9 4628 Riverside Palms to Pines Hwy Comment
  SEINET2054224 Image available Peucephyllum schottii A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15923 Riverside Colorado Desert, Coachella valley, outh of Fargo Canyon, Little San Bernardono Mtns., 1.2 mi abgove junction with Aqueduct Road. 365 Comment
  UC604865  Peucephyllum schottii Roxana S. Ferris 1938-5-16 9562 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  RSA0106803  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  UC923114  Phacelia Freed W. Hoffman 1950-4-24 3318 Riverside Perris to Hemet Hwy (#74) at Winchester road junction; Rock Brook Ranch Comment
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Mar 20 2011
  CLARK-A1528-2990  Phacelia campanularia John C. Roos 1947-2-15 3245 Riverside Eagle Mountains Comment
  POM343364  Phacelia campanularia F. R. Fosberg 1983-4-23 64172 Riverside Whitewater Bridge. Comment
  RSA74790  Phacelia campanularia F. W. Peirson 1926-2-22 6499 Riverside On talus slope east of bridge over Whitewater River, head of Coachella Valley Comment
  UC217927  Phacelia campanularia subsp. campanularia P. A. Munz, D. Keck 1922-4-14 5003 Riverside mesa e Whitewater Ranch; Colo. Desert 213 Comment
  RSA357777  Phacelia campanularia subsp. vasiformis Robert F. Thorne, M. Z. Thorne 1973-3-30 42658 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SBBG37427  Phacelia cicutaria var. hispida R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UCR90049  Phacelia cicutaria var. hispida P. F. Horner 1972-5-2 37 Riverside Santa Ana River Valley, Riverside, Santa Ana River bottom, near Union Pacific Railroad Bridge 213 Comment
  RSA614227  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  UCR116810  Phacelia crenulata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23940 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  JOTR32041  Phacelia cryptantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2271 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  UC668397  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1941-4-24 2078 Riverside Dry Morongo Morongo Valley Gorge 640 Comment
  SD52981  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains. 1615 Comment
  RSA428311A  Phacelia distans Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  RSA444556  Phacelia distans Walter Wisura 1988-3-1 4200 Riverside Black Eagle Mine Rd., just outside the boundry of Josua Tree Natl. Mon., Comment
  RSA74949  Phacelia distans F. W. Peirson 1918-03 957 Riverside Field near Indio. Comment
  RSA772970  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4777 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR25548  Phacelia distans John C. Roos 1941-4-19 175 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  UCR35120  Phacelia fremontii L. B. Ziegler 1969-4-21 350 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  POM12124  Phacelia imbricata subsp. patula Mary F. Spencer 1921-6-21 1237 Riverside Edge of woods, Idyllwild, San Jacinto Mt. 1616 Comment
  UCR18512  Phacelia lemmonii A. C. Sanders 1980-2-1 391 Riverside Santa Rosa Mtns., Carrizo Creek just off Hwy 74 610 Comment
  RSA604  Phacelia minor J. T. Howell 1927-8-2 567 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA775499  Phacelia minor Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4472 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  SBBG34218  Phacelia minor T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  SD136820  Phacelia minor Steve Boyd 1992-4-14 6786 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; along Verdugo Trail from Tenaja Tr. to Bluewater Cyn, S of Sitton Pk. 792 Comment
  UCR121194  Phacelia minor D. E. Bramlet 1997-3-13 2487 Riverside Perris-Aguanga Basin region, Lake Skinner Co. Park, knoll at NE end of the Equestrian Trail, 1,600 ft. (~0.3 mi.) north of Tucalota Creek and 5,400 ft. (~ 1 mi.) east of Lake Skinner. 500 Comment
  UCR224447  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR84879  Phacelia minor A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16201 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  UCSB5417  Phacelia minor Nowell, J. 1958-5-17 Riverside 7 mi. from Banning on Banning-Idyllwild Road Comment
  UCR214880  Phacelia neglecta A. C. Sanders 2010-3-15 37395 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA428153  Phacelia parryi Lockheart Muchmore 1929-4-12 8354 Riverside Near Lake Elsinore. Comment
  RSA0093148  Phacelia umbrosa T. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 Riverside San Jacinto Mountains: San Jacinto River Canyon, along south Fork Trail c. halfway between Hwy 74 and the bottom of the canyon. 1110 Comment
  UCR249866  Phalaris lemmonii Virginia Moran 2008-3-31 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, NE of Temecula 427 Comment
  RSA0057658  Philadelphus microphyllus var. stramineus P. A. Munz 1938-8-14 15392 Riverside Santa Rosa Mountains, ridge east of Toro Peak. 2439 Comment
  RSA758487  Phlox gracilis Michael Wall 2010-4-9 551 Riverside Bautista Creek east of Hemet, Bautista Canyon Rd. ca. 6.4 Miles SE of jct. with Fairview Ave. 713 Comment
  SD144147  Phoenix dactylifera A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. 29 Comment
  RSA459299  Pholistoma membranaceum Bonnie C. Templeton 1930-3-22 1649 Riverside Palm Springs. 400 Comment
  RSA770435  Pholistoma membranaceum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4567 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  JEPS121555  Phoradendron californicum Adam C. Schneider with Will Freyman 2014-2-16 398 Riverside Upper Box Canyon Road. Comment
  POM46959  Phoradendron californicum Mary F. Spencer 1920-3-15 1504 Riverside Mecca; 197 feet below sea level -60 Comment
  RSA0015683  Phoradendron californicum Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6041 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  RSA640172  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  RSA676301  Phoradendron californicum Scott D. White 2001-4-3 8235 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA727012  Phoradendron californicum Naomi S. Fraga, Lisa Rojas 2005-2-10 1413 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR133554  Phoradendron californicum E. K. Balls 1949-4-4 12972 Riverside Sonoran (Colorado) Desert, Desert Beach on Hwy 111 -46 Comment
  RSA645540  Phoradendron densum George K. Helmkamp 1995-11-16 s.n. Riverside San Jacinto Mountains. Pinyon Pines Camp beside Hwy 74. 1235 Comment
  CSUSB307  Phoradendron tomentosum Dick Bernier 1966-5-7 Riverside Found on a Juniper in a small Juniper woodland along 395, 4 miles from Temecula 365 Comment
  RSA592668  Phoradendron villosum Scott D. White, D. Haselfeld 1996-7-2 4260 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  JOTR35002  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
  RSA784952  Physalis crassifolia Duncan S. Bell 2012-2-12 3110 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET7907900  Physalis crassifolia D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to JoshuaTree Nat'l Park, S of Interstate 10 914 Comment
  UCR280426  Physalis crassifolia Onkar Singh 2015-11-9 5611 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, c. 5 km SW of Desert Center 459 Comment
  CAS-BOT-BC506667  Physaria tenella A. C. Sanders; Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at jct with road to Observation Point Slats, US Navy Chocolate Mtns Aerial Gunnery Range 723 Comment
  LA6050  Pinus contorta subsp. murrayana A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, Tauquitz (Tahquitz) Peak 2133 Comment
  POM12749  Pinus contorta var. murrayana Philip A. Munz 1922-7-6 6038 Riverside San Jacinto Peak. Near summit. 3277 Comment
  RSA761234  Pinus coulteri Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 720 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  NY61441  Pinus flexilis J. A. Ewan 1930-9-1 2171 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
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Jul 5 2010
  JEPS47935  Pinus monophylla W. L. Jepson 1916-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Pinyon Well Canyon; Colorado Desert, Cottonwood Mts., Pinyon Well Canyon Comment
  CAS-BOT-BC72839  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  JEPS46788  Pinus quadrifolia W. L. Jepson and Hall 1901-1 Riverside Base of El Toro Comment
  MACF019830  Pinus quadrifolia B. Thomas 1967-10-1 52 - Riverside Hwy. 74 coming up from Palm Desert in the San Jacinto Mountain Range 1371 Comment
  RSA586502  Piperia cooperi Darin L. Banks, Steve Boyd 1995-5-9 333 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of Cleveland National Forest and Agua Tibia Wilderness Area; N slope of Agua Tibia Mountain, the Dorland Mountain area, W of Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR209164  Pistacia atlantica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37157 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR116466  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  RSA625810  Plagiobothrys collinus var. fulvescens Scott D. White, Julie Greene 1997-3-12 4769 Riverside Pedley area, S foot of Jurupa Hills: Just N of SR 60 Freeway at Pedley exit. 274 Comment
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Apr 2 2011
  UC1605426  Plagiobothrys collinus var. fulvescens Steve Boyd 1986-4-2 1594 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UCR266777  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt Amalong 2015-3-25 315- 23 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  SD140150  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside Western edge of Hemet, along south side of Devonshire Avenue betwee Old Warren and Earren Roads, southwest of Tres Cerritos and N of Florida 459 Comment
  UCR171911  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR60551  Plagiobothrys nothofulvus K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 891 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA198964  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, P. A. Munz 1968-5-8 37570 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  CHSC8091  Plantago Edward L. Smith 1958-3-21 371 Riverside Located 6 mi. s of Rice, near Priests Well. Little Santa Maria Mtns. 365 Comment
  RSA401991B  Plantago erecta Bonnie C. Templeton, I. W. Clokey 1930-4-9 1021 Riverside North of Banning. Colorado Desert. 500 Comment
  RSA85580  Plantago erecta J. C. Roos 1952-4-2 5461 Riverside Box Springs. 488 Comment
  POM158198  Plantago lanceolata P. A. Munz, I. M. Johnston 1928-9-6 11281 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  JOTR31954  Plantago ovata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2190 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  JOTR35362  Plantago ovata var. fastigiata Harding, Mitzi, M. Wheeler 2011-1-26 146 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  POM126310A  Plantago ovata var. fastigiata Thos. Craig 1927-4-2 29 Riverside Canyon near Hidden Springs. Comment
  POM305630  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 869 Riverside Blythe, Colorado River bluffs. Comment
  SBBG7270  Plantago ovata var. fastigiata H. and M. Dearing 1937-4-10 2896 Riverside 1000 Palms Cyn Comment
  JEPS3449  Plantago patagonica W. L. Jepson 1914-5-18 5991 Riverside n of Indio; Colorado Desert, Pinyon Well Grade Comment
  SD236355  Plantago patagonica A. C. Sanders, N. Ferguson 1994-6-2 14628 Riverside San Jacinto Mountains: Bautista Canyon, ca. 1 mile above the forest service boundary. 850 Comment
  UCR155045  Plantago patagonica Jason L. Hlebakos, Ricky Escobar 2005-5-11 01 Riverside San Jacinto Mtns, Bautista Creek in Bautista Canyon 854 Comment
  UCR100315  Platanus racemosa B. G. Pitzer 1997-4-20 3169 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCSB2710  Platanus racemosa Haller, John 1950-5-20 Riverside base of San Jacinto Mtns; Hemet-Idyllwild Road; opposite Cranston Ranger Station 609 Comment
  HSC85459  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA612781  Platystemon californicus D. L. Banks, Victor W. Steinmann 1997-3-13 1421 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR162282  Platystemon californicus 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
  UCR49228  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SEINET8719638 Image available Platystemon californicus Jean Coulson 1959-1 s.n. Riverside Box Springs Mts. 2.1 mi. S. of turn off to Radio stations from Pidgeon Pass road. On E. side of road. Comment
  JEPS5135  Plectritis ciliosa subsp. insignis C. V. Meyer June 1927 156 Riverside San Jacinto Mountain, Saunders Meadow Saunders Meadow; San Jacinto Mountain, Saunders Meadow Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 Comment
  CLARK-A1045-218  Pleurocoronis pluriseta George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; wash; Lost Horse Mtn. 15'Q Comment
  UCR51951  Pleurocoronis pluriseta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2216 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA735065  Pluchea sericea Scott D. White, Angelia Carey 2004-6-4 10482 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR182091  Poa annua Tom Chester 2005-5-3 605 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Waterline Road, 0.2 miles (0.3 km) southwest of Visitor Center, at jct. with Granite Loop Trail 536 Comment
  SEINET192616 Image available Poa scabrella Philip A. Munz 1940-3-22 15658 Riverside North slope, Whitewaqater Canyon, 2 miles north of Banning-Indio boulevard Comment
  POM1241  Poa secunda I. M. Johnston 1917-4-4 1009 Riverside Palm Canyon, near Palm Springs. 457 Comment
  RSA502899  Poa secunda 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
  RSA522746  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3855 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
  POM126398  Polygala cornuta var. fishiae F. M. Reed 1917-6-3 3989 Riverside Main Street Canyon , South of Corona Comment
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Oct 10 2009
  UCR30596  Polygonum argyrocoleon John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UCR82217  Polygonum aviculare J. M. Stewart 1994-5-2 843 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  UCR92252  Polygonum aviculare Scott D. White, M. A. Patten 1995-8-16 3556 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UC6666  Polygonum bistortoides H. M. Hall 1897-7-22 726 Riverside Tauquitz bogs San Jacinto Mountains 2438 Comment
  RSA289825  Polygonum lapathifolium Barry A. Prigge 1980-9-17 4079 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA736306  Polypogon interruptus Scott D. White, Justin M. Wood 2008-5-13 11953 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCD91318  Polypogon monspeliensis John 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. 533 Comment
  RSA0123108  Populus fremontii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9015 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  POM122002A  Populus fremontii subsp. fremontii Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Springs near Temecula. 366 Comment
  RSA457782  Porophyllum gracile Steve Boyd, Richard Noyes, Sara Meury, D. Nordin, Timothy S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA709851  Porophyllum gracile Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4630 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UC1543099  Porophyllum gracile Donald G. Nelson 1936-5-22 393 Riverside on trail down to stream in Palm Spring Canyon; Ribbon Wood Camp, Pines to Palms Highways, Santa Rosa Mounta Comment
  UCR102718  Porophyllum gracile B. G. Pitzer 1998-1-24 3404 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR172250  Porophyllum gracile 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
  RSA336203  Potamogeton pusillus Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51988 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA783358  Potentilla glandulosa John Olmsted 1958-6-15 171 Riverside San Jacinto Mts: M. FK. San Jacinto Range Drainage Area. 1 mi above intersection of Beartrap Canyon with Strawberry Cr. by Idyllwild School of Music and Art. On sandy banks of Beartrap Canyon. 1616 Comment
  UCR201672  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  CAS-BOT-BC540421  Potentilla gracilis var. fastigiata H. M. Hall 1898-1-1 s.n. Riverside Unspecified Comment
  RSA0107465  Prenanthella exigua Duncan S. Bell, Amanda Turek 2009-3-30 161 Riverside East side of the Arica Mountains; approximately 1.3 air miles west northwest of Priest Well. 381 Comment
  SEINET10943907  Prunus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12848 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 several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CAS-BOT-BC158289  Prunus fasciculata var. fasciculata N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Spring Comment
  RSA180284  Prunus ilicifolia E. W. Lathrop 1965-4-26 5696 Riverside 4 mi. W. of Murrieta. Comment
  UCR81107  Prunus virginiana Scott D. White 1993-5-29 1451 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  CAS-BOT-BC356352  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  SBBG100841  Psathyrotes ramosissima W. L. Halvorson 1977-3-8 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET7883495 Image available Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi. s. of Cathedral City. 46 Comment
  UCSB57884  Psathyrotes ramosissima Wolf, Carl 1932-4-26 Riverside Colorado Desert, 5 mi. E. of Mecca, on Blythe Road 30 Comment
  UCR274191  Pseudognaphalium californicum T. B. Salvato, Gregg Miller 2005-6-7 1434 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  JEPS34075  Pseudognaphalium stramineum Carl V. Meyer 1928-7-30 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow Comment
  UC468786  Pseudognaphalium thermale F. M. Reed 1907-11-10 1993 Riverside High Grove Top of Blue Mountain, High Grove 548 Comment
  UCR266339  Psilocarphus brevissimus D. E. Bramlet 1993-5-8 2342 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit, east of Davis Rd. and north of old San Jacinto River channel 433 Comment
  UCR20794  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1980-5-17 1469 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  CLARK-A1528-5672  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC353584  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-1 6024 Riverside Cottonwood Mountains, Colorado Desert 609 Comment
  UCR144127  Psorothamnus arborescens var. simplicifolius Scott D. White 2001-4-18 8357 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  RSA403994  Psorothamnus emoryi N. C. Cooper 1944-7-15 1552 Riverside Palm Springs. 122 Comment
  UC667245  Psorothamnus emoryi Annie M. Alexander and Louise Kellogg 1941-5-20 2204 Riverside Eagle Mountains Pumping Station Road 792 Comment
  SEINET3131123  Psorothamnus emoryi var. emoryi S. B. Parish 1906-5-10 sn Riverside On Colorado desert at Palm Springs Comment
  SEINET3131124  Psorothamnus emoryi var. emoryi L. S. Rose 1935-12-19 35662 Riverside On Colorado desert at Palm Springs 138 Comment
  CAS-BOT-BC340874  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 b Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  JEPS41664  Psorothamnus schottii M. Clary 1929-10-1 12 Riverside Coral Reef Canyon , Coral Reef Canyon (Santa Rosa Mts.) 0 Comment
  SBBG3318  Psorothamnus schottii M. A. Piehl 1963-6-1 63532 Riverside St Hwy 74, 7.6 mi NE of Pinyon Flat cmpgrd (S of Palm Desert) 731 Comment
  SEINET3407645 Image available Psorothamnus schottii R. F. Turpin 1969-5-23 118 Riverside 5 mi. E of Dillon Rd. on Berdoo Canyon Rd. Little San Bernardino Mountains. 610 Comment
  UC279671  Psorothamnus schottii unknown 1925-12-18 Riverside Fish Traps near Oasis (Colorado Desert); , near Oasis Comment
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Feb 3 2011
  UCSB3062  Psorothamnus schottii Leeuwen, Henry 1957-4-13 Riverside Next to Cal. Hwy. 195 about 3 miles west of U.S. 60 Comment
  RSA561074  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7326 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR225714  Pterostegia drymarioides A. C. Sanders 2011-3-30 38913 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA0081605  Pyrola aphylla Patricia Wilder 1968-7-5 4327 Riverside Dogwood St. near Rimrock Dr., Idyllwild. San Jacinto Mt. Range, Strawberry-Little Tahquitz Creek Drainage. 1829 Comment
  RSA0082841  Pyrola minor P. A. Munz 1922-7-7 6049 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  UCD47712  Quercus X acutidens John M. Tucker 1941-5-30 262 Riverside Ortega summit, Highway 74, Riverside County, California. 812 Comment
  RSA523508  Quercus agrifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3967 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SD137747  Quercus agrifolia Darin L. Banks, Steve Boyd 1995-10-26 833 Riverside Agua Tibia Wilderness Area, along the Woodchuck Trail, south of the first grassland. 712 Comment
  SBBG53758  Quercus berberidifolia S. Boyd 1980-5-15 Riverside Harford Springs County Park, located in NW corner of Gavilan Plateau Comment
  UC1292295  Quercus berberidifolia C. L. Hitchcock and C. V. Muhlick 1964-3-17 23102 Riverside 10 mi n Pala (on road to Elsinore) Comment
  UCR270763  Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8383 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  OBI14295  Quercus chrysolepis H. E. McMinn 1925-7-2 1496 Riverside Tahquitz Peak Trail, San Jacinto Mts Comment
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Jun 21 2012
  UC519764  Quercus chrysolepis C. Epling 1931-10-4 Riverside Idyllwild 1371 Comment
  SBBG44664  Quercus cornelius-mulleri W. B. Holt 1941-10-21 10 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  SD80180  Quercus cornelius-mulleri R. S. Woglum Apr 1937 297 Riverside Palm Springs Comment
  UCD14093  Quercus cornelius-mulleri Stephen K. Langer 1995-4-6 s.n. Riverside California, San Diego Co.; Smuggler's Canyon, Anza-Borrego Desert State Park; Comment
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Feb 22 2013
  CAS-BOT-BC257626  Quercus dumosa P. S. Manos 1988-10-27 676 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  UCR149944  Quercus engelmannii Scott D. White 2004-10-8 10776 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  JOTR31147  Quercus john-tuckeri La Doux, Tasha 2009-6-3 1857 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SEINET10622123  Quercus john-tuckeri Greg Gust, Leith Nye 2005-3-11 Gust 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  SFV889  Quercus kelloggii P. G. Kilburn 1958-5-30 830 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  RSA654175  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22287 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. E of Hwy 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  SEINET3828807  Quercus turbinella Marc A. Baker, Michelle Cloud, Hughes 2011-1 17493 Riverside Queen Mountian 7.5' USGS topographic quadrangle. 1325 Comment
  RSA783155  Quercus wislizeni J. D. Olmsted 1962-5-3 3501 Riverside 5 degree S slope with south population of Quercus keloggii on Thomas Mt. 1768 Comment
  UCR100577  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21597 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  RSA783426  Rafinesquia californica J. D. Olmsted 1959-5-1 526 Riverside Spring Trail on Beacon Pines Ranch, 9 miles SW of Corona. Santa Ana Mts. 770 Comment
  UC36536  Rafinesquia californica Geo. R. Hall 1901-3-31 10 Riverside near Riverside Comment
  CAS-BOT-BC362629  Rafinesquia neomexicana Alice Eastwood 1913-4-30 3016 Riverside Palm Springs Comment
  RSA554431  Rafinesquia neomexicana Theo Glenn 1992-3-31 92 -3 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  RSA682861  Rafinesquia neomexicana Scott D. White 2003-3-23 8833 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  SEINET197528  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles north east of Cottonwood Springs. 853 Comment
  UC35852  Rafinesquia neomexicana W. G. Wright 1890-1 1752 Riverside Colorado Desert Comment
  POM297  Ranunculus alismifolius var. alismellus I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA206503  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1968-5-15 6883 Riverside 8 miles W of Murrieta; Redonda Mesa, Santa Rosa Plateau 610 Comment
Read comments
Jun 24 2012
  UC219270  Ranunculus aquatilis var. capillaceus P. A. Munz and I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1371 Comment
  CLARK-A1528-787  Ranunculus californicus Annette Price 1962-5-1 O 64 Riverside Santa Ana Mountains Comment
  UC1930014  Ranunculus californicus Scott D. White, Justin Wood 2008-5-15 12006 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UC1608236  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Bluewater Tr. downstream to confluence with San Mateo Creek; Santa Ana Mtns, San Mateo Cyn Wilderness Area, Bluewater Cyn 335 Comment
  RSA701472  Rhamnus crocea M. Wall 1996-6-26 184 Riverside S of beaumont, 1.8 mi S of Fwy 10, canyons W of Hwy 79. Associated plants include: Adenostoma fasciculatum, Cercocarpus betuloides, Quercus berberidifolia, Prunus illicifolia, and Salvia mellifera. Comment
  UCD112343  Rhamnus ilicifolia G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCR125993  Rhamnus ilicifolia Dave Goodward 2003-1-31 s.n. Riverside Box Springs Mountains, canyon SW of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump 427 Comment
  UCR270307  Rhamnus ilicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8375 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA69330A  Rhododendron occidentale var. californicum F. W. Peirson 843 Riverside Fruiting specimen from San Jacinto Mtns. Comment
  CAS-BOT-BC168040  Rhus aromatica S. B. Parish 1916-5-13 10839 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  CAS-BOT-BC168116  Rhus aromatica P. C. Everett 1935-6-18 7181 Riverside Santa Ana Mts., main divide highway to Santiago Pk., 1 mi. from Ortega Highway 731 Comment
  JOTR35932  Rhus aromatica De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6880 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  LA62888  Rhus aromatica Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UCR103914  Rhus aromatica B. G. Pitzer 1997-4-11 3103 Riverside Lakeview Mountains, Pulsar View Road, c. 0.5 mi. (air) SSE of Mt. Rudolph. 640 Comment
  CHSC26488  Rhus ovata James Henrickson 1970-4-10 4530 Riverside 8 air miles ESE of Temecula along Hwy. 71-79; 542 Comment
  UC729537  Rhus ovata Carl B. Wolf 1932-5-24 Riverside 1/2 mi below;n base of San Jacinto Mountains Fish Hatchery; San Jacinto Mountains, Snow Creek Canyon 548 Comment
  UC1979590  Ribes amarum D. L Banks, Steve Boyd 1995-3-30 0120 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  UC69247  Ribes aureum H. M. Hall 1897-4-10 431 Riverside vicinity Riverside; Eden Comment
  CAS-BOT-BC92415  Ribes aureum var. gracillimum Ellsworth Bethel 1920-8-3 s.n. Riverside Eden Hot Springs 10 miles north of San Jacinto. Comment
  RSA439668  Ribes indecorum J. D. Olmsted 1962-5-10 3637 Riverside Sky Ranch, S Divide TT, near SE end of Elsinore, Santa Ana Mtns. 945 Comment
  RSA577519  Ribes indecorum D. L. Banks, Steve Boyd 1995-2-16 0047 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 731 Comment
  SD137739  Ribes indecorum Darin L. Banks, Steve Boyd 1995-2-16 47 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Woodchuck Trail. 730 Comment
Read comments
Mar 2 2013
  SEINET13942609 Image available Ribes malvaceum Carl B. Wolf 1932-1 2651 Riverside Santa Ana mountains, Hidden Canyon, 5 mi W of Corona, base of Skyline Drive. Alt 1330 ft. Upper Sonoran: -Chaparral 405 Comment
  RSA1179  Ribes malvaceum var. viridifolium B. D. Stark 1930-2-21 1649 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  POM12661  Ribes nevadense P. A. Munz 1922-9-6 6384 Riverside North fork of Tahquitz Creek. 2210 Comment
  RSA134226  Ribes nevadense Peter H. Raven, Richard Snow 1957-7-26 11114 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  UCSB2646  Ribes nevadense Wilson, Richard 1958-5-17 Riverside Fuller Creek; 25 miles SE of Banning; on State hwy 4; San Jacinto Mtns 1676 Comment
  UCR25403  Ribes quercetorum John C. Roos 1948-5-22 3864 Riverside Pass at the top of Reche Canyon 732 Comment
  POM12990  Ribes speciosum P. A. Munz, I. M. Johnston 1922-5-19 5309 Riverside Santa Ana River Canyon. 457 Comment
  UCR270751  Ribes speciosum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8380 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR114544  Rorippa nasturtium-aquaticum A. C. Sanders, K. C. Rose 1999-6-18 22812 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 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
  CAS-BOT-BC147178  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  RSA523529  Rubus ursinus Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3988 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM204506  Rumex crispus M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  RSA653331  Rumex pulcher Mitch Provance 2000-4-8 2217 Riverside Jurupa Mountains: Belltown, SW side of Market St. (Crestmore Road) at Bell Ave. 79 Comment
  UC2062973  Rumex salicifolius Anna Kostikova with Glen Litsios, Sarah Burgy, Steve Boyd 2010-6-20 69 Riverside Santa Ana Mountains: Margarite road further down to the valley after turn towards Robcar Road. Comment
  RSA90061  Rumex salicifolius var. denticulatus E. K. Balls, Percy C. Everett 1953-8-19 18546 Riverside Red Fir Forest; Santa Rosa Spring 2134 Comment
  UCR157941  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 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
  JOTR35929  Salix exigua De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6877 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  SBBG58870  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  UCR138719  Salix exigua Julie A. Greene 1993-4-17 1220 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR278877  Salix exigua Mitch Provance 2012-7-14 712- 17 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  JOTR35491  Salix exigua var. hindsiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3179 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  SD137625  Salix exigua var. hindsiana Darin L. Banks, Steve Boyd 1995-3-16 101 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage 555 Comment
  SEINET244839  Salix gooddingii A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-16 24971 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  UCR104901  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR140712  Salix gooddingii A. C. Sanders 2004-5-11 27842 Riverside Elsinore Basin Region, Alberhill Mountain, former clay mine area c. 1 mile SE of Alberhill 439 Comment
  UCR172147  Salix gooddingii A. C. Sanders 2006-5-11 32265 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  RSA786950  Salix laevigata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49549 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UC914196  Salix laevigata Charles B. Fiker 1946-5-30 3361 Riverside 100 yards from dismantled service station on Pala Rd. from Temecula bridge Comment
  SD212722  Salix lasiolepis T. B. Salvato 2004-5-27 594 Riverside Head of Banning (San Gorgonio River) Canyon, close to San Bernardino County line, 0.5 mi Southeast of Oak Glen Conservation Camp. 1402 Comment
  UCD111647  Salix lasiolepis B. Pitzer 1997-4-20 3179 Riverside Lakeview Mountains. Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  CAS-BOT-BC128445  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-3-19 35 Riverside Banning Comment
  RSA0094571  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: On first year burn on hills and slopes directly W of Hwy R3, (Sage Road) ca. 5.9 mi S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire station. 700 Comment
  CAS-BOT-BC232922  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive and Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  UC1080500  Saltugilia splendens subsp. splendens Verne Grant and Howard Latimer 1957-5-6 9984 Riverside in wash below Morongo Valley (San Bernardino-Riverside County); below Morongo Valley Comment
  RSA0123087  Salvia apiana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8971 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
  RSA411321  Salvia apiana N. C. Cooper 1944-5-19 1299 Riverside Banning. 701 Comment
  RSA772575  Salvia apiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5008 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SEINET2065981 Image available Salvia apiana Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of the intersection of Van Burne Blvd. and Mockingbird Canyon Rd. 365 Comment
  UC472937  Salvia apiana Mary Fiske Spencer 1914-3-1 Riverside Palm Springs; Colorado Desert Comment
  UCR103732  Salvia apiana A. C. Sanders 1997-3-19 20030 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR262279  Salvia apiana A. C. Sanders 2006-5-13 32280 Riverside Peninsular Range, 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
  UCR62858  Salvia clevelandii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  RSA554299  Salvia columbariae Dave Kelly 1992-3-11 92 -13 Riverside Hwy I-10, ca. 20 mi E of Indio. Comment
  RSA777158  Salvia columbariae Steve Boyd, S. G. Jett 2008-3-20 11828 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  SDSU16683  Salvia columbariae Francis H. Bozzolo 2006-4-16 5 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  UCR241686  Salvia columbariae T. B. Salvato 2013-3-22 7406 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
  UCR27197  Salvia columbariae Marlyce Myers 1980-4-28 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 518 Comment
  UCR4136  Salvia columbariae Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  JOTR32356  Salvia dorrii var. pilosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2471 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UC883902  Salvia eremostachya B. D. Stark 1933-5-13 Riverside 8 mi up Palms to Pines Highway; San Jacinto Mts. 1219 Comment
  UCLA69693  Salvia eremostachya Elizabeth McClintock 1941-5-30 Riverside near Tule Creek; Coyote Canyon Comment
  UCR17967  Salvia eremostachya A. C. Sanders 1976-4-20 0847 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  RSA45227  Salvia greatae J. C. Roos 1949-3-19 4101 Riverside Salt Creek Wash, about 7 miles northeast of Dos Palmos Spring. Comment
  UC883920  Salvia greatae C. Epling Apr 1937 Riverside Canyon n of Hidden Spring; Orocopia Mtns. Comment
  CLARK-A1528-3122  Salvia mohavensis John C. Roos 1965-6-23 Riverside Lost Palms Canyon Comment
  POM50362  Salvia pachyphylla subsp. pachyphylla H. M. Hall 1901-06 2160 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  RSA733968  Salvia vaseyi Keith E. Hoffmaster 1937-6-6 813 Riverside Desert grade of Palms to Pines Highway. Comment
  SEINET7882518 Image available Sambucus glauca Jean Coulson 1959-1 188 Riverside Riverside, Riverside County, Calif. .4 mi. from Pennsylvania Ave. on Canyon Crest E. side of road, in gully. Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  CLARK-A1528-7827  Samolus parviflorus John C. Roos 1937-6-19 23 Riverside Murrieta Comment
  RSA543857  Sanicula bipinnatifida Steve Boyd, Orlando Mistretta 1991-5-22 6308 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UC219265  Sanicula bipinnatifida P. A. Munz and I. M. Johnston 1922-5-19 5373 Riverside Menifee Valley 411 Comment
  UCR117319  Sanicula bipinnatifida A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 728 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA221031  Sanicula crassicaulis E. W. Lathrop 1966-3-30 6123 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UCR129891  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  UCR91064  Sarcodes sanguinea Joan Callahan 1996-6-3 s.n. Riverside San Jacinto Mtns, southern Idyllwild, 26281 Lookout road, near Marion View Rd. 1616 Comment
  UCR104159  Sarcostemma cynanchoides subsp. hartwegii Scott D. White 1997-5-25 5219 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  RSA511534  Satureja chandleri Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta; Miller Canyon 457 Comment
  RSA444802  Schedonorus arundinaceus J. C. Roos 1950-4-15 4743 Riverside West end of Fairmount Park Lake Comment
  CSUSB57  Schinus molle Peggy Merritt 1972-5-5 Riverside Lot on NE corner of Park and 7th streets. Dry waste place. Comment
  CAS-BOT-BC239933  Schismus arabicus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6464 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  SD144108  Schismus barbatus A. C. Sanders 1997-3-1 19705 Riverside Box Springs Mtns., Coyote Hill (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR20729  Schismus barbatus A. C. Sanders, Steve Boyd 1980-5-2 1386 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SDSU12983  Schoenoplectus americanus Michael G. Simpson with Claudia A. Luke 1999-10-27 2020 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA0105838  Scirpus acutus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  UCR263718  Scrophularia californica Mark A. Elvin, Tricia Wotipka 2002-4-30 1953 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, La Borde Canyon 793 Comment
  CLARK-A1528-1235  Scrophularia californica subsp. floribunda Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  RSA314663  Scrophularia californica subsp. floribunda Robert F. Thorne, F. R. Fosberg 1983-4-23 55485 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA134385  Scutellaria bolanderi subsp. austromontana Harlan Lewis 1941-7-30 s.n. Riverside San Jacinto Mountains: Lake Hemet. Comment
  UC1713652  Scutellaria siphocampyloides Elizabeth McClintock 1940-7-21 Riverside near Santa Rosa Springs; Santa Rosa Mountains Comment
  RSA770845  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4943 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm). 850 Comment
  SEINET3864016 Image available Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water.; 0 427 Comment
  UC306715  Selaginella bigelovii I. M. Johnston 1917-4-4 1044 Riverside Palm Canyon 304 Comment
  CAS-BOT-BC323965  Senecio flaccidus var. douglasii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JOTR37454  Senecio flaccidus var. monoensis Hodges, Stephen, T. Green 2016-5-24 576 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  CAS-BOT-BC364134  Senecio mohavensis Edmund C. Jaeger 1922-3-18 s.n. Riverside Painted Canon [Canyon]. Colorado [Colorado Desert] Comment
  RSA776243  Senecio mohavensis Duncan S. Bell 2010-3-20 596 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA796016  Senecio mohavensis Duncan S. Bell 2009-4-18 247 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  SD229144  Senegalia greggii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 899 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCSB2959  Senegalia greggii DeWitt, Jack 1959-5-18 Riverside 5.3 miles W of Palm Desert on the Palms to Pines Hwy. (74) 152 Comment