Search Results — 2000 specimen records retrieved (1896 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0077541  Abies concolor G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC229310  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  UC410541  Abronia villosa Mrs. E. C. Van Dyke July 1925 Riverside above road from Idyllwild desert Comment
Read comments
Sep 3 2011
  UC465443  Abronia villosa Joseph Grinnell 1910-3-17 Riverside Riverside Mt., Colorado River Comment
  UC912300  Abronia villosa Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  UCR124857  Abronia villosa B. C. Templeton, I. W. Clokey 1930-4-9 1078 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR90170  Abronia villosa R. W. Scora 1966-4-1 3028 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA0048314  Abronia villosa Charles MacKechnie 1950-4-29 s.n. Riverside Cranston Ranger Station, San Bernardino National Forest. 609 Comment
  RSA461182  Abronia villosa var. aurita N. C. Cooper 1949-3-15 3035 Riverside Palm Springs 122 Comment
  RSA461193  Abronia villosa var. aurita Ora M. Clark 1929-2-24 1529 Riverside Cabazon, Colorado Desert. Comment
  RSA741204  Abronia villosa var. aurita Scott D. White, Justin M. Wood 2008-5-15 11962 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SD187438  Abronia villosa var. aurita R. E. Riefner Jr. 2007-5-19 07 210 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 miles west of I-15 Fwy. and 1.0 mile west of Murrieta Creek 298 Comment
  SEINET946023  Abronia villosa var. aurita G. Yatskievych, K. McCrary 1984-1 84 -118 Riverside State Route 74 at Pyramid Peak Road (to Thomas Mountain). 1463 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
  UCR234804  Abronia villosa var. aurita Jim Andre, Glenn L. Clifton 2011-2-22 17473 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR280972  Abronia villosa var. aurita Mitch Provance 2017-4-12 417- 78 Riverside Temescal Valley, South of the I-15, south side of Temescal Canyon Rd., vicinity of small bridge 0.8 mi W of Lake St., 0.3 mi E of Hostettler Rd. 372 Comment
  RSA461198  Abronia villosa var. villosa E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  JEPS64739  Acacia greggii Marjorie Clary 1929-5-17 10 Riverside San Jacinto Mountains, Palm Springs Palm Springs; San Jacinto Mountains, Palm Springs Comment
  UCR94063  Acacia greggii Scott D. White, D. Haselfeld 1996-7-2 4272 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  SBBG62697  Acamptopappus sphaerocephalus var. sphaerocephalus M. N. Ackley 1928-3-11 204 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  RSA394138  Acer macrophyllum Christopher Davidson 1977-5-18 5614 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCR3848  Acer negundo Frank C. Vasek 1964-7-26 640726- 01 Riverside San Jacinto Mtns., 2 mi. north of Kenworthy Ranger Station Comment
  RSA761867  Achillea millefolium Peter Guiden, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA494635  Achnatherum coronatum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA771663  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4906 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UC39963  Achnatherum occidentale subsp. pubescens H. M. Hall July, 1901 2537 Riverside n side, San Jacinto Mts. San Jacinto Mts. 1524 Comment
  CAS-BOT-BC30408  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, flats at SE end of Alberhill Mountain Comment
  SD134541  Achyrachaena mollis Craig Reiser 1989-4-4 Riverside Southern flank of Amberhill [Alberhill] in western part of county Comment
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Jul 11 2010
  CAS-BOT-BC384730  Achyronychia cooperi Paul F. Covel 1938-4-21 1173 Riverside Cathedral City, east Palm Sprgs Comment
  RSA423491A  Achyronychia cooperi Anstruther Davidson 1983-4-10 s.n. Riverside Palm Springs. Comment
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Mar 20 2013
  UCR85253  Achyronychia cooperi A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16187 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SEINET5327526  Acmispon americanus var. americanus I. W. Clokey, E. G. Anderson 1935-8-21 6720 Riverside Hemet Lake 1030 Comment
  SD70398  Acmispon maritimus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside Painted Canyon, north of Mecca. 75 Comment
  SD137780  Acmispon micranthus Darin L. Banks, Steve Boyd 1995-4-5 136 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain east of the Dripping Springs Alcove along the Dripping Springs Trail, open hillside 609 Comment
  UCR265594  Acmispon strigosus Jordan Zylstra 2014-3-18 14004 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  CAS-BOT-BC29187  Acourtia microcephala A. M. White 1974-6-5 1421 Riverside Indian Canyon Road 548 Comment
  UC1931117  Acourtia microcephala Scott D. White, Justin Wood 2008-6-18 12202 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. Comment
  JOTR32124  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  JOTR33126  Adenophyllum porophylloides La Doux, Tasha, Mike Bell 2003-10-17 1124 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UCR137562  Adenostoma fasciculatum A. C. Sanders 2004-5-5 27761 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR41247  Adenostoma fasciculatum N. M. Fellows, A. C. Sanders 1985-4-9 150 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA666640  Adenostoma fasciculatum var. fasciculatum A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24995 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  CAS-BOT-BC139866  Adenostoma sparsifolium H. E. McMinn 1925-7-2 1521 Riverside [Idylwild] Idyllwild grade - San Jacinto Mts. Comment
  CAS-BOT-BC139874  Adenostoma sparsifolium J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, summit Palms to Pines Hwy., San Jacinto Mtns. Comment
  RSA453178  Adenostoma sparsifolium M. B. Dunkle 1934-3-11 4234 Riverside Ribbonwood Comment
  SEINET10848228  Adenostoma sparsifolium Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 690 Riverside San Bernardino National Forest, San Jacinto Ranger District. 3.0 miles NE of route 74 on Apple Canyon road. T5S R3E, corner of sections 27, 26, 34 and 35, San Bernardino meridian. 1554 Comment
  SEINET3077277 Image available Adenostoma sparsifolium H. S. Gentry 1954-7-25 14250 Riverside Dripping Springs along Rte 79. Comment
  RSA543940  Adiantum jordanii Steve Boyd 1991-5-10 6218 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  SEINET10534193  Agave deserti A. K. Evans 1976-4-13 Evans 5135 Riverside Rocky slopes of Santa Rosa mountains. Comment
  RSA125248  Agave deserti subsp. deserti E. K. Balls, Percy C. Everett 1957-8-20 22671 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 502 Comment
  UCR187315  Agrostis idahoensis Naomi Fraga, Et al. 2006-7-11 1714 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA131724  Agrostis pallens E. K. Balls 1958-6-27 23301 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  LA206322  Agrostis scabra F. M. Reed; 1905-7-15 833 Riverside San Bernardino Mountains, Hunsaker Flats 1523 Comment
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Feb 1 2014
  UCR220306  Albizia julibrissin Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  RSA23240  Aliciella latifolia Ernest Braunton 1940-03 2045 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA71927  Aliciella latifolia F. W. Peirson 1926-1-31 6498 Riverside Dos Palmas Spring, NE of Mecca Comment
  SFV17337  Allionia incarnata J. D. Dilley, J. N. Hogue 108.20 1998-4-23 276 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  JOTR31045  Allium fimbriatum var. fimbriatum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2028 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
  CAS-BOT-BC131985  Allium haematochiton Steve Boyd; Aydee Virgen 2004-4-13 10859 Riverside Peninsular Ranches; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA262115  Allium haematochiton E. W. Lathrop 1971-3-24 7487 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR214123  Allium haematochiton A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37730 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  SD137979  Allium marvinii Darin L. Banks, Steve Boyd 1995-5-9 397 A 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. 790 Comment
Read comments
Jul 31 2010
  RSA770511  Allium munzii S. Mashayekhi, Steve Boyd 2010-4-22 SM 049 Riverside Warm Spring Valley, Alberhill Creek, Baker St. 1.2 miles east of its junction with Pierce St. 397 Comment
  RSA785116  Allium munzii Valentin Arvizu 2008-4-17 5 Riverside De Palma Rd. and Indian Truck Trail; Saddleback Estates Preserve Area - USGS Alberhill quad 427 Comment
  UCR217516  Allium munzii Lee A. Ripma, JLV 2008-4-2 042 Riverside Foothills of the Santa Ana Mtns, Alberhill, South of Hwy 15, south of Walker Canyon 444 Comment
  UCR16034  Allium peninsulare Steve Kulju 1974-4-27 s.n. Riverside Box Springs Mtns. Dirt road to the radio tower, 4 mi from Pigeon Pass Road. 762 Comment
  UCSB38380  Allium praecox Minnich, John 1964-2-29 Riverside Sycamore Canyon, 1/4 mi. off Canyon Crest Drive about 1 mi. south of Pennsylvania Ave.; found about 1/2 mi. above mouth of canyon 365 Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SD71849  Allophyllum glutinosum Helen V. Witham 1969-7-2 190 Riverside De Luz Creek, 7.0 miles south of Murietta on road to De Luz. 299 Comment
  UC7527  Amaranthus albus H. M. Hall 1901-8-1 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR42375  Amaranthus albus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 191 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  HSC86937  Amaranthus blitoides S. J. Myers 1987-10-27 Riverside 3 mi. W of Temecula, NE portion of Santa Rosa plateau, 3/4 mi. E of Walker Basin Comment
  OBI37490  Amaranthus powellii Steve Boyd 1985-7-23 1025 Riverside De luz rd, 8.5 mi W of rancho Calif 274 Comment
  UCR58450  Amaranthus powellii George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns., Edge of Lake Hemet 1400 Comment
  UCR132701  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  RSA0121414  Ambrosia dumosa Duncan S. Bell, LeRoy Gross 2016-3-30 9184 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA608585  Ambrosia dumosa R. S. Woglum 1939-4-11 2207 Riverside Sonora Desert: Desert Center. Comment
  RSA775936  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR148486  Ambrosia dumosa John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  CAS-BOT-BC55617  Ambrosia psilostachya W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon, Riverside Canon Comment
  HSC80290  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Rosa Plateau Region, NW base of Redona Mesa on Tenaja Rd., 0.8 mi.. east of junction with 8S01 and 8S02 Comment
  SEINET10797877  Ambrosia salsola var. pentalepis David B. Dunn, A. Folsom 1948-6-17 Dunn 3800 Riverside By quad 2. At camp in Pushawalla Canyon under palms. Desert dry wash. Indio Hills, Colorado Desert. Comment
  UCSB18239  Ambrosia salsola var. salsola Easley, Bill 1964-5-10 Riverside Roadside, State Highway 71, 4.9 miles N from Pinyon Flats Campground 944 Comment
  UCR26281  Ammannia robusta John C. Roos 1952-5-16 5672 Riverside Perris-Aguanga Basin region, San Jacinto River bottomlands, 1 mi. SE of Perris. 427 Comment
  LA204913  Amorpha californica var. californica W. E. Pequegnat; 1937-9-3 sn Riverside Santa Ana Mountains, Bedford Rd 1402 Comment
  SDSU20040  Amsinckia intermedia Michael G. Simpson 2012-4-27 3689 Riverside Skunk Hollow Vernal Pool Preserve, top of hill (near fence and vertical rebar marker), ca. 350 feet southwest of west end of vernal pool. 412 Comment
  UCR140691  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  SEINET12519219  Amsinckia tessellata A. C. Sanders, Pitzer, Charlton & Kniffen 1986-1 6104 Riverside Corn Spring, Chuckwalla Mountains. Comment
  RSA757798  Amsinckia tessellata var. tessellata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4289 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JOTR35299  Amsonia tomentosa Andre, Jim 2012-4-11 20796 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA357157  Anagallis minima Robert F. Thorne 1973-5-23 43855 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  UCR114540  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR104962  Anthriscus caucalis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20704 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  RSA500209  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3534 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA698992  Antirrhinum coulterianum J. R. Bruff 1928-4-2 87 Riverside Whitewater. Comment
  UC1929471  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-3 9462 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Temecula 7.5 Quad. Comment
  UCD123466  Antirrhinum nuttallianum B. Pitzer; A. C. Sanders 1987-4-21 496 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  UCR281205  Antirrhinum nuttallianum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 45 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  SD28023  Aphyllon cooperi subsp. latilobum Carl B. Wolf 1932-4-29 3113 Riverside Blythe, Rice Road; 4.0 miles south of Browns Well. 213 Comment
  HSC21458  Apiastrum angustifolium C. L. Hitchcock 1966-3-16 24188 Riverside About 5 mi. NE of Aguanga Comment
  RSA515330  Apiastrum angustifolium Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW slope of Mesa de Burro., (Near 33d 31 N, 117d 14 W). 579 Comment
  SEINET8665940 Image available Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Elsinore Basin; Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 427 Comment
  UCR106859  Apiastrum angustifolium Kathleen Stockwell 1998-3-22 s.n. Riverside Murrieta Hot Springs, Warm Springs Creek, between Hwy 79 and the Hogbacks, south of Los Alamos Rd. and north of Hunter Rd. 400 Comment
  CLARK-A1528-1424  Apium leptophyllum John C. Roos 1953-5-9 5917 Riverside Riverside 259 Comment
  UCR140728  Apocynum cannabinum A. C. Sanders 2004-5-12 27883 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM229477  Arabis johnstonii P. A. Munz 1937-5-31 15123 Riverside Kenworthy, south part of San Jacinto Mountains 1372 Comment
  UC1618107  Arceuthobium campylopodum Donald G. Nelson 1936-5-24 422 Riverside Hurkey Creek Camp Comment
  UCR26224  Arctostaphylos glandulosa John C. Roos 1947-3-15 3328 Riverside San Jacinto Mtns, grade above the San Jacinto River 1067 Comment
  SDSU18344  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 371 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  RSA629403  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19522 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629408  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19497 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  RSA629470  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  UC876570  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 7888 Riverside Hemet 900 Comment
  RSA631742  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16509 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631764  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15070 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA633599  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16713 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633745  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20117 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  LA42378  Arctostaphylos patula Elizabeth McClintock; 1937-7-10 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  POM367389  Arctostaphylos patula subsp. platyphylla Christopher Davidson 1978-6-15 7384 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
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Jul 21 2021
  CAS-BOT-BC44366  Arctostaphylos pringlei subsp. drupacea S. B. Parish; W. F. Parish 1882-6-1 936 Riverside San Jacinto Mt. Comment
  POM19646  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1923-6-18 2218 Riverside Idyllwild, San Jacinto Mt. 2134 Comment
  UCD53750  Arctostaphylos pungens John Thomas Howell 1960-3-24 35149 Riverside Keene Camp Summit; Pines to Palms Hwy.; San Jacinto Mts. 1493 Comment
  RSA636177  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19476 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
  LA212121  Arctostaphylos tomentosa Elliott Waite; 1950-4-30 s.n. Riverside Vandeventer Flats. 1523 Comment
  CLARK-A1528-5812  Argemone corymbosa John C. Roos 1949-4-11 4245 Riverside Hayfield Comment
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Jan 28 2019
  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
  POM410  Argemone munita subsp. munita L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  RSA434322  Argemone munita subsp. munita N. Cooper 1949-6-29 4289 Riverside East side of San Jacinto, dry roadside bank 1524 Comment
  RSA722445  Argemone munita subsp. munita J. R. Bruff 1928-4-3 181 Riverside 13 miles W of Desert Center. Comment
  RSA0040095  Argythamnia lanceolata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6257 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  SEINET192378  Aristida adscensionis I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 mi northeast of Desert Center. Comment
  UCD56399  Aristida adscensionis Lewis S. Rose 1945-12-27 45337 Riverside Colorado Desert, Cathedral City. 152 Comment
  UCR242294  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40415 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCD56556  Aristida purpurea var. nealleyi A. A. Beetle 1946-6-10 4406 Riverside Near Palm Springs. Comment
  RSA727009  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR273985  Aristida ternipes var. gentilis Mitch Provance 2012-5-24 512- 22 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  IRVC493  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 391 Riverside Summit Toro Peninsular Ranges, Santa Rosa Mountains 2652 Comment
  JOTR32653  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UCR6699  Arthrocnemum subterminale O. F. Clarke, Sue Freeman 1967-11-3 s.n. Riverside Perris Basin, c. 3 mi. north of Lakeview & c. 3 mi. SSE of Moreno 434 Comment
  UCR279537  Asclepias albicans A. C. Sanders, Jim Malusa 2017-3-27 43125 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  POM3649  Asclepias californica I. M. Johnston 1918-5-30 s.n. Riverside Temescal Canyon 365 Comment
  UC23001  Asclepias fascicularis Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  RSA356725  Aspidotis californica R. F. Thorne, Earl Lathrop 1975-5-25 45554 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR154820  Aspidotis californica A. C. Sanders, Mike Misenhelter 2005-3-23 29284 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM153374  Aster frondosus Philip A. Munz, I. M. Johnston 1928-9-12 11246 Riverside North end of Lake Elsinore. Comment
  UCR93056  Aster subulatus Steve Boyd, D. Banks 1994-9-29 8363 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA574561  Aster subulatus var. ligulatus Steve Boyd 1985-8-7 1121 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  RSA0002829  Astragalus chuckwallae P. A. Munz, D. D. Keck 1922-4-9 4779 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  CAS-BOT-BC177727  Astragalus crotalariae Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC177733  Astragalus crotalariae Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  RSA415452  Astragalus crotalariae Miss Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. [county not specified] Comment
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Sep 7 2016
  UCR121797  Astragalus didymocarpus A. C. Sanders, Carolyn Washburn 2001-4-17 24035 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  RSA689493  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  CAS-BOT-BC182586  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 6711 Riverside Palm Springs Comment
  UC1128768  Astragalus didymocarpus var. dispermus H. S. Yates 1937-3-23 6418 Riverside 5 mi nw Edom; Thermal Quad., nw of Edom Comment
  RSA85878  Astragalus didymocarpus var. obispoensis J. C. Roos 1952-4-30 5606 Riverside Hills between Camp Haan and Riverside 518 Comment
  RSA385  Astragalus douglasii var. parishii J. T. Howell 1927-8-2 555 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  UC14752  Astragalus douglasii var. parishii H. M. Hall June, 1901 2123 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); eastern base San Jacinto Mountains, Colorado Desert Comment
  RSA1785  Astragalus filipes C. B. Wolf 1931-5-11 s.n Riverside Near Pipe Creek, Hemet Valley, San Jacinto Mtns. 1616 Comment
  SEINET3101941  Astragalus filipes Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17363 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
  RSA799379  Astragalus insularis var. harwoodii Duncan S. Bell 2013-4-7 4755 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  HSC66565  Astragalus lentiginosus var. coachellae Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7815 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  RSA415586  Astragalus lentiginosus var. coachellae B. C. Templeton, I. W. Clokey 1930-4-9 1072 Riverside Near Palm Springs Station 430 Comment
  RSA73531  Astragalus lentiginosus var. variabilis D. D. Keck, H. G. Baker, P. Dansereau, H. Nordenskiold 1949-4-23 6249 Riverside 6 miles N. of Desert Center on road to Rice, eastern Colorado Desert. Comment
  RSA0126279  Astragalus nuttallianus var. cedrosensis Duncan S. Bell 2016-3-4 8809 Riverside Orocopia Mountains; northwestern section of the range, small canyon approximately 4 air miles north northwest of the summit of the Orocopia Mountains. 627 Comment
  RSA27415  Astragalus nuttallianus var. imperfectus C. L. Hitchcock 1940-4-3 5935 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  SEINET3409357  Astragalus nuttallianus var. imperfectus G. Rink, M. Honer 2013-3-17 11858 Riverside About ten miles west of Blythe, on the site of the proposed Quartzite solar power plant 125 Comment
  CAS-BOT-BC192755  Astragalus palmeri Milo S. Baker 1928-4-4 2851 b Riverside Hiway a few mies South Palm Sps. Comment
  CAS-BOT-BC194168  Astragalus pomonensis F. R. Lawson 1930-3-18 R 16 Riverside Cabazon 563 Comment
  CAS-BOT-BC27822  Astragalus pomonensis Marcus Eugene Jones 1882-4-24 3166 Riverside San Jacinto Comment
  RSA523524  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3983 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR38117  Astragalus tricarinatus J. M. Stewart 1985-3-16 8507 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA523489  Athysanus pusillus Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-30 3949 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR106421  Athysanus pusillus George K. Helmkamp, A. C. Sanders 1997-3-15 1488 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  POM126265  Atrichoseris platyphylla Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  UCR148298  Atrichoseris platyphylla John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA5456  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET269097  Atriplex canescens Scott D. White 1995-8-23 3590 Riverside San Jacinto River wash, just N of Florida Ave. (City of Hemet) near intersection w/ Schultz. USGS Blackburn Cyn 550 Comment
  UC110326  Atriplex canescens T. S. Brandegee Nov 1891 Riverside Salton Comment
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Sep 11 2011
  OBI17352  Atriplex canescens subsp. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Srpings 152 Comment
  RSA760811  Atriplex canescens var. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-31 117 Riverside PCT Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111. 740 Comment
  UCR228217  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7829 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA0092691  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 Comment
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  RSA532565  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2182 Riverside 1.4 km west of Nuevo and some 10 m. south of the end of the 12th street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  UCR103477  Atriplex davidsonii D. E. Bramlet 1995-6-8 2440 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.22 km east of Davis Road and 168m south of the existing access road. the site is 549m north of San Jacinto River Channel 435 Comment
  RSA0009703  Atriplex elegans var. fasciculata Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  CAS-BOT-BC170258  Atriplex hymenelytra Roxana S. Ferris 1918-6-14 987 Riverside At Shavers Well, Box Canyon in Chocolate Mts. Comment
  SEINET4135079  Atriplex hymenelytra David B. Dunn, H. E. Brown; E. McClintock 1947-3-16 2862 Riverside Pushawalla Canyon, Indio Hills.; 0 Comment
  UCR148293  Atriplex hymenelytra John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR279244  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2017-1-15 42664 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, wash below Canyon Spring in side canyon off Salt Creek, c. 1.5 miles below Red Canyon confluence 345 Comment
  UC415724  Atriplex lindleyi unknown 1900-7-16 Riverside Temecula Comment
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Aug 8 2010
  POM265628  Atriplex parishii J. C. Roos 1937-8-17 1214 Riverside San Jancito Valley, 5 miles west of Hemet, Comment
  POM121924A  Atriplex semibaccata Marcus E. Jones 1900-7-16 6526 Riverside Temecula. Comment
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Mar 27 2011
  RSA689427  Atriplex suberecta R. E. Riefner 2003-5-27 3 -240 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  IRVC5339  Avena barbata Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  RSA776276  Avena barbata Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 881 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  SD137968  Avena fatua Darin L. Banks, Steve Boyd 1995-5-9 321 Riverside NW Palomar Mtns, N of the Agua Tibia Wilderness Area, N slope of Agua Tibia Mtns, the Dorland Mt., area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 730 Comment
  UCR91523  Avena fatua Scott D. White 1995-3-30 2638 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  JEPS40703  Baccharis brachyphylla Marjorie D. Clary 1932-12-13 654 Riverside near mouth Deep Canon (w edge Coachella Vly; ne end Palms-to-Pines Hwy; ne Santa Rosa Mts.); Santa Rosa Mts., Coachella Valley 304 Comment
  UCR143369  Baccharis brachyphylla C. B. Wolf, Percy C. Everett 1942-10-13 11437 Riverside Sonoran (Colorado) Desert, Morongo Pass, 0.3 mi below San Bernardino Co. line 671 Comment
  UCR213766  Baccharis brachyphylla Scott D. White, Justin M. Wood 2009-4-29 12626 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  UCR23276  Baccharis brachyphylla John C. Roos 1950-10-16 5008 Riverside Transverse Range/Little San Bernardino Mtns., Dry Morongo Canyon about 1 mi south of Riverside-San Bernardino County line 612 Comment
  UCR59705  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA0042506  Baccharis brachyphylla John F. Emmel 1993-4-23 1258 Riverside Granite Mts. WSW of Rice, canyon 1.2-1.4 air miles north and 0.0-0.6 air mile west of 4353 ft. high peak. 853 Comment
  CAS-BOT-BC106748  Baccharis salicifolia W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon [Canon] Comment
  RSA773194  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4891 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
  UCR174351  Baccharis salicifolia A. C. Sanders 2006-5-19 32392 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
  UCR199605  Baccharis salicina Scott D. White, J. Campbell 2008-4-18 11900 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area 366 Comment
  UC501623  Baccharis sergiloides Frank W. Peirson 1928-9-6 8205 Riverside Morongo Canyon 609 Comment
  UCR82894  Baccharis sergiloides A. C. Sanders, S. White & C. Sanders 1994-10-9 15808 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  POM10252  Bahiopsis parishii Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  SFV11873  Bahiopsis parishii R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCD129490  Bahiopsis parishii Geoffrey Levin 1974-3-30 6 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCR260317  Bahiopsis parishii A. C. Sanders, Jim Malusa 2015-3-9 41367 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  CAS-BOT-BC99966  Baileya pauciradiata Ira L. Wiggins 1941-3-24 9571 Riverside Sand dunes 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  RSA450421  Baileya pauciradiata J. C. Roos 1965-4-28 s.n. Riverside Palm Springs. Comment
  RSA776905  Baileya pauciradiata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 963 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA740926  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-7-9 12426 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  SD152906  Barbarea orthoceras Steve Boyd, Orlando Mistretta 1992-4-23 7059 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Surrounding slopes burned in 1989 fire. Local in moist sand along stream. 244 Comment
  POM203025  Bebbia juncea Marcus E. Jones 1934-5-9 s.n. Riverside Corona Comment
  RSA0112095  Bebbia juncea Duncan S. Bell 2010-2-20 540 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  SEINET13276697 Image available Bebbia juncea Mitch Provance 2012-1 712 -06 Riverside Colorado Desert: Thousand Palms Canyon Road, +-2/3 of the way up into the canyon. (Myoma 7.5' Q.) 140 Comment
  UCR143340  Bebbia juncea I. M. Johnston 1917-6-5 1239 Riverside Hills south of Arlington, Riverside 366 Comment
  UCR92620  Bebbia juncea Scott D. White 1995-8-23 3568 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  HSC24854  Bebbia juncea var. aspera James Henrickson 1971-4-2 5482 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  CLARK-A1656-657  Beloperone californica Lois Ann Scott 1978-4-21 Riverside San Jacinto Mountains 152 Comment
  RSA0120035  Beloperone californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  UCR77573  Bergia texana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6347 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA479265  Bernardia incana N. R. Zabriskie, W. M. Zabriskie 1972-4-9 509 Riverside Small canyon NW from HWY 74 at 81.72, Deep Canyon Watershed, Santa Rosa Mts. 1220 Comment
  RSA462666  Boerhavia coccinea C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
  RSA0062788  Boerhavia coulteri Duncan S. Bell, Evan Meyer 2014-10-22 7653 B Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  UCR264238  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41845 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  SEINET3092325 Image available Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  UCR165200  Boerhavia wrightii Robert Cox, D. T. & C. T. 2003-9-23 s.n. Riverside Sonoran (Colorado) Desert, NE of Salton Sea; along Salt creek, next to Clemens Well 305 Comment
  UCR244885  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40402 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA674869  Bothriochloa barbinodis Scott D. White, T. B. Salvato 2001-6-8 8587 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCSB9820  Bothriochloa barbinodis Beach, Kay 1942-10-23 Riverside Dos Palmas Spring; 0.75 mi E of road at point 20 mi from Kenworthy Forest Stn. and 12 mi N of Jct of Indio and Palmas highways; side road; San Bernardino Ntl Forest Comment
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Mar 2 2014
  SEINET3920201  Bouteloua aristidoides Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6491 Riverside Palen Valley, 15 miles northeast of Desert Center.; 0 183 Comment
  RSA773657  Bouteloua barbata Duncan S. Bell, J. D. England 2010-10-5 1976 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  JOTR35383  Bouteloua barbata var. barbata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 171 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA0104626  Bouteloua curtipendula Duncan S. Bell 2015-9-30 8676 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CLARK-A1528-137  Bowlesia incana Richard L. Irwin 1963-5-11 O 108 Riverside Riverside 335 Comment
  UCR125285  Brachychiton populneum A. C. Sanders 2003-1-18 25668 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, near entrance, Santa Ana River, West Riverside 226 Comment
  NY43293  Brandegea bigelovii C. R. Annable 1995-3-15 2284 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  SD80936  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill at scenic stop 669 Comment
  UCD107473  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi. s. of Palm Desert. 60 Comment
  UCR264210  Brandegea bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41880 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, south of Bradshaw Trail at major wash that crosses a dirt side road into the range 726 Comment
  CAS-BOT-BC126759  Brassica tournefortii A. C. Sanders 2010-3-15 37409 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
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA709905  Brassica tournefortii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4610 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR177438  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UC1523410  Brickellia atractyloides Robert F. Thorne and W. A. Tilforth 1980-5-28 54208 Riverside 3.2 mi n, w from Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernadino Mts. 609 Comment
  CAS-BOT-BC106336  Brickellia atractyloides var. arguta Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  CAS-BOT-BC106344  Brickellia atractyloides var. arguta Frank W. Peirson 1928-4-24 7900 Riverside Cottonwood Spring Comment
  CLARK-A1528-1661  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Jackrabbit Trail 609 Comment
  CAS-BOT-BC106186  Brickellia desertorum Scott D. White 1996-9-22 4527 Riverside Lakeview Mts - N of Homeland, along Juniper Flats Rd., ca. 1.2 road miles N of intersect. w/St. Hwy. 74. 502 Comment
  OBI31830  Brickellia incana David J. Keil 1978-11-27 s.n. Riverside I-1- exit at Hayfield rd Comment
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Mar 3 2013
  UCR17646  Brickellia incana Hap Ritter, Paul Mack 1976-5-18 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., Red Cloud Wash [Mine] Road 549 Comment
  SEINET251969 Image available Bromus arizonicus A. C. Sanders 1995-3-22 16221 Riverside San Gorgonio Pass, San Jacinto Mountains: on and near a rocky spur at the north foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabezon. 390 Comment
  UCR20584  Bromus arizonicus John C. Roos 1952-4-9 5473 Riverside Riverside, E base of Mt. Rubidoux 274 Comment
  SD247282  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass: San Gorbonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  UCR44200  Bromus carinatus A. C. Sanders 1986-6-1 6539 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR180344  Bromus diandrus Scott D. White, Angelia Carey 2004-4-5 10027 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR92141  Bromus diandrus D. L. Banks, Steve Boyd 1995-5-3 201 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR27004  Bromus grandis E. W. Lathrop 1966-5-29 6395 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR20537  Bromus hallii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA201604  Bromus hordeaceus subsp. molliformis E. W. Lathrop 1964-5-24 5387 Riverside 8 miles west of Murrieta Comment
  SDSU14319  Bromus madritensis subsp. rubens Michelle Perl 2002-4-20 11 Riverside Santa Margarita Ecological Reserve north of Santa Margarita River adjacent to riparian area just northeast of junction of Santa Margarita River and Via Tornado Road. 233 Comment
  CLARK-A1528-4547  Bromus orcuttianus John C. Roos 1942-6-20 994 Riverside San Jacinto Mountains Comment
  UCD59075  Bromus orcuttianus var. hallii Peter Kamb 1948-7-3 1141 a Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR162376  Bromus rubens S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  SEINET10810207  Bromus rubens Gordon H. True 1935-3-11 True 68 Riverside Sycamore Canyon, Box Springs. North hillside. 366 Comment
  RSA498294  Caesalpinia virgata Robert M. Perkins, H. de Forest 1937-3-15 399 Riverside 20 miles East of Indio. Comment
  UC380625  Caesalpinia virgata M. E. Jones 1906-4-27 Riverside Indio Comment
  UCR86211  Caesalpinia virgata A. C. Sanders 1995-5-23 17113 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UC69317  Calandrinia ambigua L. A. Greata Apr. 1905 Riverside Coachella Comment
  UC82886  Calandrinia ambigua S. B. and W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  SEINET244316  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-3-30 23874 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 366 Comment
  UCR106875  Calandrinia ciliata Michael A. Patten 1993-2-27 s.n. Riverside Paloma Valley, along Garboni Rd, just east of Antelope Rd. 450 Comment
  UCR162412  Calandrinia ciliata S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR273792  Calandrinia ciliata Mitch Provance 2012-4-20 412- 27 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  RSA198961  Callitriche heterophylla subsp. bolanderi R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  POM13644  Callitriche marginata P. A. Munz 1922-5-18 5325 Riverside 1/2 mile south of Lake Elsinore. Comment
  RSA357120  Callitriche marginata R. F. Thorne 1973-5-23 45522 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  RSA761866  Calocedrus decurrens Patrick Garrett, C. Martinez, N. Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC813614  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  CAS-BOT-BC488542  Calochortus concolor E. K. Balls 1958-6-27 23296 Riverside Santa Ana Mts., 3.2 miles NW along Indian Truck Trail from Junction with Main Divide 853 Comment
  UCR16061  Calochortus plummerae Loretta Bates 1978-6-10 s.n. Riverside San Bernardino Mtns, Cherry Valley exit off Hwy I-10 Comment
  RSA1314  Calochortus weedii J. T. Howell 1928-7-8 1045 Riverside Santa Ana Mountains above Glen Ivy 1067 Comment
  CLARK-A1528-3201  Calochortus weedii var. intermedius John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR209401  Calochortus weedii var. intermedius Fred M. Roberts, Robt. L. Allen 2008-6-23 7051 Riverside Santa Ana Mountains, Santiago Peak, east slope, Main Divide Truck Trail, 0.7 km northeast of summit 1580 Comment
  RSA680491  Calochortus weedii var. weedii Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9594 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  RSA757793  Calycoseris parryi LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4294 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR60928  Calycoseris wrightii Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1355 Riverside Sonoran (Colorado) Desert, Shavers Valley, Hwy 195, N base of the Orocopia Mtns half way between I-10 and Box Canyon 366 Comment
  UCR137704  Calyptridium monandrum D. L. Banks, V. W. Steinmann 1997-3-13 1518 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
  UCR177410  Calyptridium monandrum Scott D. White 2003-3-23 8837 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  SD152879  Calystegia macrostegia subsp. intermedia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6695 Riverside Santa Ana Mountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  LA50059  Calystegia macrostegia subsp. tenuifolia Elizabeth McClintock; 1935-5-12 sn Riverside Massacre Canyon near San Jacinto Comment
  UC604976  Calystegia macrostegia subsp. tenuifolia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9664 Riverside foot of grade State Highway #74 (along San Jacinto River); along San Jacinto River Comment
  UCR172195  Camissonia 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
  UCR167676  Camissonia bistorta T. B. Salvato, Melissa Clemons 2005-6-23 1293 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR250364  Camissonia bistorta A. C. Sanders 2014-4-9 40994 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  HSC49197  Camissonia boothii subsp. condensata D. L. Goforth 1979-4-11 113 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA9345  Camissonia boothii subsp. condensata Mary F. Spencer 1920-4-3 1445 Riverside Colorado Desert, Palm Springs, in desert sand. 122 Comment
  UCR102712  Camissonia brevipes B. G. Pitzer 1998-1-24 3397 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
  RSA201058  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-27 3013 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA466012  Camissonia brevipes subsp. brevipes Robert M. Perkins, H. de Forest 1937-3-15 386 Riverside Colorado Desert, Desert Center, Along Highway Comment
  UCR6057  Camissonia brevipes subsp. brevipes Steve Stadler 1966-2-27 22766- 18 Riverside Sonoran (Colorado) Desert, c. 2.9 mi. west of Chiriaco Summit, frontage road 1 mile from Desert Center to Indio Road & Joshua Tree Monument to Mecca Road 488 Comment
  RSA9313  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  JOTR29162  Camissonia californica La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1239 Riverside Joshua Tree National Park. Key's view Comment
  SEINET3093245 Image available Camissonia californica B. Pitzer, L. LaPre 1987-3-2 416 Riverside Bundy Canyon, ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd., off Raciti Rd. (Romoland 7.5' Quad). Comment
  UCR104944  Camissonia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20697 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR133410  Camissonia californica Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 324 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  RSA692196  Camissonia cardiophylla Scott D. White, Michael Honer 2003-5-14 9297 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR165273  Camissonia claviformis John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  POM14023  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4913 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  POM14454  Camissonia claviformis subsp. aurantiaca Alice Eastwood 1913-4-30 2983 Riverside Palm Springs. Comment
  RSA777757  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1078 Riverside Shavers Well area of Mecca Hills 305 Comment
  RSA0024812  Camissonia claviformis subsp. peirsonii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4465 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA171392  Camissonia confusa J. Olmstead 1962-5-3 3483 Riverside Along road on north side of Hemet Lake; San Jacinto Mts. 1280 Comment
  RSA652359  Camissonia hirtella Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  RSA449012  Camissonia ignota L. M. Ashley 1943-4-20 20442 Riverside Loma Linda: Hills S of Town. 427 Comment
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Feb 16 2013
  RSA524479  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR121687  Camissonia ignota D. E. Bramlet 1991-5-9 2137 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  UCR231774  Camissonia ignota John F. Green 2008-4-23 08- 26 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
  RSA710938  Camissonia pallida A. C. Sanders, K. C. Rose, James C. Dice, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  UCR167309  Camissonia pallida Scott D. White, Jennifer H. Jones 2005-5-24 11102 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  POM184045  Camissonia pallida subsp. pallida P. A. Munz 1932-3-14 12003 Riverside Palm Springs. 91 Comment
  JOTR32913  Camissonia refracta Andre, Jim, Tasha La Doux 2009-2-28 10839 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
  RSA449055  Camissonia refracta M. B. Dunkle 1935-4-17 4563 Riverside W. of Wiley Well. Colorado Desert. Comment
  SEINET10492424  Camissonia refracta David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3707 Riverside Found growing in a wash. Indio hills, colorado desert. Near fushawalla. Comment
  UCR59526  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3604 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  JEPS100904  Camissoniopsis confusa Dean W. Taylor 1998-5-13 16430 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  UC69873  Camissoniopsis ignota Mrs. C. M. Wilder 1905-4-20 87 Riverside near Riverside; Jurupa Hills, Wilder's Canyon Comment
  RSA0069663  Camissoniopsis pallida subsp. pallida Cheryl Sevilla, Sarah J. De Groot 2015-2-18 15 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
  UC172909  Camissoniopsis pallida subsp. pallida E. E. Schellenger 1911-4-25 Riverside Point of Rocks Colorado Desert, Whitewater Wash Comment
  SEINET1869530  Campanulaceae H. M. Hall 1905-1 5819 Riverside Eastern base of Indio Mt., Colorado Desert. 150 Comment
  CAS-BOT-BC334211  Capsella bursa-pastoris T. B. Salvato; Mike Landers 2013-3-22 7389 Riverside Perris-Aguanga Basin: southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR100046  Capsella bursa-pastoris Scott D. White 1993-3-3 1095 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA192201  Cardamine californica var. integrifolia E. W. Lathrop 1960-3-25 4677 Riverside 14 miles west of Murrieta. Comment
  UCR109645  Carex T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UC837256  Carex alma P. A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mi above mouth of Strawberry Creek 1158 Comment
  UCR227911  Carex bolanderi Peter F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains, bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  POM259174  Carex douglasii Phillip A. Munz 1938-8-13 15327 Riverside Cedar Spring, north base of Santa Rosa Peak. 2378 Comment
  RSA633886  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38119 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM1486  Carex praegracilis Phillip A. Munz 1918-4-27 2132 Riverside Elsinore Comment
  RSA750736  Carex praegracilis Scott D. White, Justin M. Wood 2009-5-22 12901 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SD37199  Carex sartwelliana Darley F. Howe 1941-6-8 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  OBI37489  Carex schottii Steve Boyd 1985-7-23 1024 Riverside De Luz Rd, 8.5 mi W of Rancho Calif; along Sandia Crk 274 Comment
  CHSC88475  Carex senta L. P. Janeway 2004-5-8 8063 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. 384 Comment
  UCR4013  Carex senta Val Chase 1965-4-30 105 Riverside San Jacinto Mountains, San Bernardino National Forest. 15 yards downstream from the dam & spillway of Lake Fulmor. 1524 Comment
  UCR50155  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR59761  Carex triquetra Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3069 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  UCSB37818  Carthamus tinctorius Oscar F. Clarke 1968-12-16 Riverside collected in University of California Riverside Greenhouse 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
  UCR59508  Castilleja affinis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3557 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  POM307280  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2139 Riverside Santa Rosa Mountains. Comment
  RSA448697  Castilleja applegatei subsp. martinii N. C. Cooper 1949-6-29 4337 Riverside East side of San Jacinto Mountains. 457 Comment
  RSA705880  Castilleja exserta M. Wall 2005-4-9 381 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park region. 703 Comment
  RSA757635  Castilleja exserta subsp. exserta LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4319 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SBBG54975  Castilleja foliolosa D. Keil, M. McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  SD137615  Castilleja foliolosa Darin L. Banks 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. area. 789 Comment
  UC1951109  Castilleja foliolosa Scott D. White, Justin Wood 2009-5-22 12918 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR133712  Castilleja martinii N. C. Cooper 1944-4-22 1131 Riverside San Gorgonio Pass, Banning 732 Comment
  RSA448786  Castilleja minor subsp. spiralis Anstruther Davidson 1887 Riverside Banning. Comment
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Mar 13 2011
  RSA701363  Castilleja minor subsp. spiralis Steve D. Boyd, Aydee Virgen 2004-4-13 10866 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC57006  Castilleja minor subsp. spiralis F. Gilman 1902-1 35 Riverside Palm Springs Comment
  UCR59756  Castilleja minor subsp. spiralis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3565 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  JEPS9271  Caulanthus heterophyllus Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3597 Riverside near summit of first grade 2 mi e Aguanga (on road to Anza); e of Aguanga Comment
  UCR213544  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  UCR43285  Caulanthus heterophyllus L. F. Lapre 1986-4-17 s.n. Riverside Gavilan Hills, Bull [Toro] Canyon 579 Comment
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Mar 25 2013
  UCR68474  Caulanthus lasiophyllus var. rigidus Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4444 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn., north of [Vail] Lake 823 Comment
  POM13823  Ceanothus crassifolius P. A. Munz 1922-4-28 5049 Riverside Leach Canyon, Santa Ana Mountains 762 Comment
  RSA575076  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -Y 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
  RSA779956  Ceanothus crassifolius Dylan O. Burge 2007-3-20 799 -c Riverside Agua Tibia Area Cleveland National Forest .66 road miles (1.05 km) from Woodchuchk Road on an abandoned fire road accessed via Woodchuck parking 0.93 road miles (1.49 km) from Hwy 79 site is 12.7 km 274 degrees (True) WNW of Aguanga 660 Comment
  SD2995  Ceanothus crassifolius Edmund C Jaeger 1925-12-23 Riverside Aguanga 3200 Comment
  RSA0034415  Ceanothus cuneatus I. W. Clokey, E. N. Anderson 1935-4-16 6733 Riverside East of Hemet 560 Comment
  UC870524  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6733 Riverside e of Hemet 560 Comment
  UCR135732  Ceanothus greggii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9033 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA783160  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3512 Riverside South access road to Thomas Mt., 1.5 mi. W of Pines-to-Palms Hwy. 1418 Comment
  OBI78290  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts Santiago Peak, N side 1/2 mi from summit Comment
  POM48485  Ceanothus leucodermis Mary F. Spencer 1919-6-20 1205 Riverside Idyllwild. San Jacinto Mountians. 1616 Comment
  RSA399768  Ceanothus leucodermis H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  RSA606743  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27406 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
  RSA606748  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27400 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
  POM254871  Ceanothus papillosus var. roweanus W. Pequegnat s.n. Riverside 7 mi. south of Sierra Peak, on Main Divide Rd. 1159 Comment
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Nov 20 2010
  RSA678975  Ceanothus tomentosus Scott D. White, Michael Honer 2003-6-3 9452 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR46712  Ceanothus tomentosus D. C. Hawks 1987-3-2 s.n. Riverside Peninsular Range; San Jacinto Mtns. Region, south of Hemet, [near confluence of Pixley Canyon and Goodhart Canyon] intersection of Palm Ave. and Saddle Ridge Rd. 473 Comment
  POM6883  Ceanothus tomentosus var. olivaceus P. A. Munz, L. T. Street, G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  CLARK-A1528-178  Centaurea cyanus Ted R. Turk 1971-5-16 Riverside 380 Comment
  CAS-BOT-BC284479  Centaurea solstitialis Scott D. White; Mike Wilcox 1995-7-13 3473 Riverside Alluvial fan below unnamed canyon +- 1/4 mi SW of Grand Ave. (City of Lk. Elsinore), directly downslope from hairpin trun on SH 74, NE Santa Ana Mtn. foothills 487 Comment
  CSUSB829  Centaurium venustum William E. Wayburn 1973-5-26 Riverside 10.9 miles southwest of Murrieta on Tenaja Road. 548 Comment
  RSA554092  Centaurium venustum R. Montijo 1991-7-10 91 -19 Riverside Santa Rosa Plateau, Avenida Escalera, N of Tenaja Road and ca. 1 mile NE of Squaw Mountain. 610 Comment
  RSA660922  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  SD239576  Centromadia pungens subsp. laevis Karyn L. Drennen 2010-6-10 11 Riverside Santa Anna Mountains foothills: Murrieta Creeek, 320 m southeast of Clinton Keith Road bridge. 363 Comment
  JOTR16805  Centrostegia thurberi Moore, Sue 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  SEINET7063562  Centrostegia thurberi A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA405366  Cercidium floridum Elbert Benjamine 1929-3-6 140 Riverside Box Canyon, Coachella Valley. Comment
  SEINET5543500  Cercocarpus betuloides R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  UCR270749  Cercocarpus betuloides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8356 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 436 Comment
  CAS-BOT-BC147687  Cercocarpus betuloides var. betuloides James R. Shevock 1978-4-26 5904 Riverside On the NE side of Pleasants Peak. Along FS road 3S04, Santa Ana Mountains, Cleveland National Forest 1188 Comment
  JOTR30646  Cercocarpus betuloides var. betuloides La Doux, Tasha, Erin Babich 2008-4-21 1807 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  JOTR30647  Cercocarpus betuloides var. betuloides La Doux, Tasha, Erin Babich 2008-4-21 1807 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  CAS-BOT-BC135577  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1931-10-3 236 Riverside 1 mi. N. Tahquitz Peak, San Jacinto Mts. 2468 Comment
  SDSU13940  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  SD187337  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR150010  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR37475  Chaenactis artemisiifolia Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  SEINET3146199  Chaenactis carphoclinia G. B. Grant 1906-1 165 a-6785 Riverside on CO desert Palm Springs; S CA Comment
  POM66298  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA152460  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi, L. R. Heckard 1953-5-5 4071 Riverside Canyon sides along Morongo Creek, along Hwy between Morongo Valley and Coachella Valley, alt 2250ft. 686 Comment
  RSA517924  Chaenactis carphoclinia var. carphoclinia Steve Boyd, B. Roy, Thomas S. Elias, S. Meury, S. Zona 1986-3-5 1352 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  POM351701  Chaenactis fremontii Anstruther Davidson 1904-5-1 1097 Riverside Palm Springs. Comment
  RSA0124032  Chaenactis fremontii Duncan S. Bell, LeRoy Gross 2016-3-10 8877 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA249464  Chaenactis fremontii John F. Emmel 1973-4-7 429 Riverside Carrizo Creek wash, just SW of Pines to Palms Hwy, 4 air miles SSW of Palm Desert 320 Comment
  SEINET2049424 Image available Chaenactis fremontii John Adams 1965-4-17 132 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  SEINET3133949  Chaenactis fremontii S. B. Parish 1907-4-19 6076 Riverside W borders of the Colorado desert 100 Comment
  SEINET7988559  Chaenactis fremontii Ana Lilia Reina G. 2003-3-31 2003 -325 Riverside Palm Spring, Palm Spring 159 Comment
  UCR133958  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 968 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  CAS-BOT-BC277404  Chaenactis glabriuscula var. glabriuscula A. J. McC. 1892-1-1 s.n. Riverside Elsinore Comment
  HSC85279  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  JEPS34147  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1914-5-25 6074 Riverside Banning Comment
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Mar 13 2011
  JEPS34204  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1939-4-17 19138 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  UCR102873  Chaenactis glabriuscula var. glabriuscula A. C. Sanders 1997-3-26 20118 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  RSA779020  Chaenactis stevioides Duncan S. Bell 2010-4-1 652 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
  RSA435980  Chamaesyce albomarginata N. C. Cooper 1944-5-20 1229 Riverside Pine Flats, Palms to Pines Highway. 1220 Comment
  RSA339361  Chamaesyce micromera R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53583 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SEINET4358093 Image available Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 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
  RSA784753  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2012-2-12 3097 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA505009  Chamaesyce polycarpa D. Charlton 1988-2-18 1154 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  RSA689556  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-4-25 9126 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA627499  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1965-6-27 8693 Riverside Tin Mine Canyon. Comment
  RSA640168  Chamaesyce prostrata L. C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave. Corona. Comment
  RSA0094269  Chamaesyce serpillifolia Duncan S. Bell 2015-9-30 8684 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  JEPS52354  Chamaesyce serpyllifolia Carl V. Meyer 1928-7-30 587 Riverside Saunder's Meadow Comment
  RSA0104640  Chamaesyce setiloba Duncan S. Bell 2014-11-14 7729 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UC869129  Chamaesyce setiloba Lewis S. Rose 1936-12-22 36806 Riverside 17 mi sw Indio (Palms to Pines Hwy); San Jacinto Mtns 914 Comment
  SEINET9457538  Chamaesyce setiloba L. Harris 1928-6-28 113 Riverside Indio. Comment
  RSA586048  Cheilanthes clevelandii Darin L. Banks, Steve Boyd 1995-3-16 100 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. 554 Comment
  RSA685685  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  RSA614527  Cheilanthes covillei A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15781 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  RSA748343  Cheilanthes covillei Justin M. Wood, Brandy Wood 2009-6-13 890 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  POM890  Cheilanthes newberryi Philip A. Munz 1918-4-27 2121 Riverside Perris Hills Comment
  SEINET272413 Image available Cheilanthes newberryi A. C. Sanders, G Helmkamp 1997-3-15 19917 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 567 Comment
  UCR97464  Cheilanthes newberryi B. G. Pitzer 1997-3-23 2999 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA685803  Cheilanthes parryi H. de Forest 1933-4-16 s.n. Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  CHSC8071  Chenopodium Edward L. Smith 1958-3-21 465 Riverside Located at Indio. -6 Comment
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Apr 7 2008
  UCR189546  Chenopodium ambrosioides Fred M. Roberts, S. Leatherman 2007-9-19 6583 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR252003  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2014-7-2 41177 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR271709  Chenopodium berlandieri var. zschackei Mitch Provance 2011-7-4 17177 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UC1608259  Chenopodium californicum Steve Boyd and Tim Ross 1992-5-5 7235 Riverside Oak Flats Southern Santa Ana Mts., San Mateo Canyon Wilderness Area (eastern portions, along the Bluewater Trail) 731 Comment
  UCR113788  Chenopodium giganteum A. C. Sanders, Mitch Provance 2000-10-4 23716 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  SEINET238516  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  UCR113596  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  SD146303  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of the intersection of Tequesquite Ave. and Gregory Road. 231 Comment
  RSA612035  Chilopsis linearis C. Epling 1932-11-9 s.n. Riverside Murray Canyon, Palm Springs, Calif. Comment
  RSA777282  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4745 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET1908448  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-1 35824 Riverside South Coast; San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) sout of Eden Hot Springs, below Mt. Eden. 450 Comment
  UCR111993  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 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
  UC65010  Chilopsis linearis subsp. arcuata E. E. Schellenger 1905-10-16 32 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCD121650  Chilopsis linearis subsp. arcuata K. Esau 1935-6-20 s.n. Riverside Road to Beaumont. Comment
  SEINET7048148  Chilopsis linearis subsp. arcuata Steven R. Hill 2001-5-3 33649 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road, halfway up Chino Canyon, about 1-1.5 miles southwest of California Route 111, Palm Springs. At boundary of Palm Springs Aerial Tramway property, at entrance gate. Elevation about 1000-2000 feet. Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  UCR130515  Chloris virgata R. E. Riefner Jr. 2003-10-21 03- 459 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  UCR116844  Chorizanthe brevicornu Helen Kennedy, Fred R. Ganders 1980-4-15 4060 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  RSA776770  Chorizanthe brevicornu Amber Swanson 2011-4-8 378 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  JOTR35321  Chorizanthe brevicornu var. brevicornu Harding, Mitzi, Mark Wheeler 2012-2-28 89 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  SBBG1394  Chorizanthe brevicornu var. brevicornu C. H. Muller 1952-4-6 9504 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  RSA681030  Chorizanthe corrugata Scott D. White, Michael Honer 2003-5-14 9264 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  HSC35441  Chorizanthe fimbriata var. fimbriata J. D. Ackerman, A. M. Montalvo 1975-6-26 523 Riverside Hwy. 74 between Lake Elsinor and San Juan Capistrano, near upper San Juan Campground Comment
  RSA500530  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3620 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  CAS-BOT-BC516742  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts: Alvin Meadows 1467 Comment
  UCR155051  Chorizanthe leptotheca Jason L. Hlebakos 2005-5-30 826 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR93841  Chorizanthe polygonoides subsp. longispina J. E. Harrison 1996-5-23 s.n. Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Redonda Mesa 854 Comment
  RSA720625  Chorizanthe polygonoides var. longispina Naomi Fraga, Dolores Gault, Tim Thibault, Michael Wall 2005-5-19 1564 Riverside Along trail alongside Elsinore Peak. Comment
  UCR120854  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-13 2321 Riverside 518 m north of Cajalco Road at a point 976 m east of its intersection with La Sierra Ave., 244 m north of dirt access road 439 Comment
  UCR48478  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA734503  Chorizanthe xanti var. leucotheca M. Wall 2008-6-20 463 Riverside San Jacinto River, east of Hemet off Hwy 74, ca. 2.0 miles east of the Cranston Ranger Station. 639 Comment
  UCR34882  Chrysothamnus nauseosus L. B. Ziegler 1977-10-24 576 Riverside San Jacinto Mtns., Black Mtn. Campground 2287 Comment
  RSA144221  Chrysothamnus nauseosus subsp. bernardinus William McKinley Klein 1960-8-22 1587 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  VVC1352  Chrysothamnus paniculatus A. C. Sanders, J. Mac 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  JOTR35076  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  JOTR35077  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  CAS-BOT-BC160596  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1941-3-24 9607 Riverside 6 miles northeast of Niland, on road to Beal Well Comment
  UCR267891  Chylismia claviformis subsp. aurantiaca Jim Andre 2013-3-4 23860 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR241655  Cirsium occidentale var. californicum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 368 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR3249  Cirsium occidentale var. californicum Bob Brownell 1964-5-15 s.n. Riverside 4.5 mi from Washington Avenue, Colton, up Reche Canyon Rd 366 Comment
  RSA557323  Cirsium vulgare Julie Greene, Scott D. White 1993-7-5 1390 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  UCR46700  Cirsium vulgare B. G. Pitzer, D. C. Hawks 1986-12-2 0366 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA699173  Cistanthe monandra J. Russell Bruff 1928-4-2 110 Riverside Canyon wash 1 mile west of Morengo. Comment
  UCR26959  Clarkia deflexa E. W. Lathrop 1966-5-8 6408 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR260832  Clarkia epilobioides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41529 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  RSA652936  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SEINET7072835  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UC58849  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1897 593 Riverside Riverside Comment
  UCR97289  Clarkia purpurea subsp. quadrivulnera S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA801957  Clarkia rhomboidea LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6153 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA653073  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  POM13303  Claytonia parviflora subsp. tenuifolia E. C. Jaeger 1921-6-21 106 Riverside Idyllwild. Comment
  SD138016  Claytonia parviflora subsp. viridis Darin L. Banks 1995-5-3 240 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along Arroyo Seco 512 Comment
  UCR167395  Claytonia perfoliata John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR139030  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. The area along Magee Truck Trail betweem the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  RSA585795  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-5-9 422 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  UCR16742  Clematis pauciflora Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  CLARK-A1528-5637  Coldenia canescens John C. Roos 1948-5-15 3859 Riverside Eagle Mountains Comment
  CLARK-A1528-2205  Coldenia palmeri John C. Roos 1947-2-1 3225 Riverside Painted Canyon Comment
  UC1537416  Collinsia concolor Gordon H. True Jr. 1935-3-11 64 Riverside Sycamore Canyon; Box Springs 365 Comment
  UCR108852  Collinsia concolor Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR193125  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35534 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR91685  Collinsia concolor Steve Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA0117417  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UCR158715  Collinsia heterophylla A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30002 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM122479  Collomia grandiflora Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CLARK-A1528-5722  Colubrina californica John C. Roos 1946-10-26 3138 Riverside Chuckwalla Mountains Comment
  UCR72172  Colubrina californica Theo Glenn 1991-5-14 91- 46 Riverside Sonoran (Colorado) Desert, Colorado Desert; W side of Little Maria Mts., NW of Blythe 309 Comment
  SBBG29244  Condea emoryi K. K. Muller 1967-9-14 1418 Riverside 5 mi E of Indio Comment
  UCR90495  Conium maculatum F. M. Reed 1933-6-27 7865 Riverside South Coast; San Bernardino Valley, Riverside, Bluffs Ranch, Chicago Ave near Arroyo Tequesquite, in Little Arroyo (Arroyo Chico) 293 Comment
  RSA764525  Convolvulus arvensis Justin M. Wood 2010-9-8 2605 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR175216  Convolvulus arvensis Teresa Nieto 2005-4-24 14 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA381979  Corallorhiza maculata Christopher Davidson 1978-6-15 7396 -C Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA761163  Corallorhiza maculata Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 696 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR29264  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA493818  Cordylanthus rigidus subsp. setiger Maureen Pendleton 1987-7-27 s.n. Riverside 9.5 mi. N of Temecula, 0.5 mi. W of I-15E, just S of Keller Rd. 488 Comment
  UCD123098  Cordylanthus rigidus subsp. setiger R. N. Raynor 1941-7-28 s.n. Riverside Highway #71 between Temecula and Aguanga. Comment
  UCR102755  Coreopsis californica B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3577 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
  CAS-BOT-BC101308  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  CLARK-A1528-1788  Corethrogyne filaginifolia John C. Roos 1965-8-19 Riverside Beaumont Comment
  RSA450483  Corethrogyne filaginifolia J. C. Roos 1965-8-19 s.n. Riverside Beaumont. Comment
  RSA761325  Corethrogyne filaginifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 683 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD239607  Corethrogyne filaginifolia A. C> Sanders 2010-11-18 38690 Riverside Peninsular Range: western Gavilan Hills; eastern edge of Corona, north end of radio tower ridge, 1.85 miles NNE (25a^z) of El Cerrito, 1 mile SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  UC1211956  Corethrogyne filaginifolia Otto T. Solbrig 1958-8-18 2759 Riverside on Hwy 78 2 mi w Temecula (w side of stream on road bank) Comment
  RSA618003  Crassula aquatica R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UC1536973  Crassula connata Gordon H. True Jr. 1935-2-27 26 Riverside Box Springs 365 Comment
  SEINET9252905 Image available Croton californicus E. Sundell, M. Sundell 1974-7-13 555 Riverside Indio Comment
  UCR174941  Croton californicus Jennifer H. Jones, Toby Bartels 2006-4-23 283 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  RSA480700  Croton californicus var. mohavensis Christopher Davidson, B. Gustafson 1977-4-7 5589 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  UCR155303  Croton setiger A. C. Sanders 2005-5-4 29840 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR110378  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23107 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR65273  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  UCR69743  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR260548  Cryptantha T. B. Salvato, Matt Malle 2014-5-29 8022 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR260602  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41543 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  JOTR37505  Cryptantha angustifolia Hodges, Stephen R. 2016-3-1 631 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  UCR224440  Cryptantha angustifolia Dave Silverman 2010-3-30 7871 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  CDA40487  Cryptantha barbigera T. C. Fuller 1962-4-3 7986 Riverside West of Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms, head of Coachella Valley. 0 Comment
  RSA4904  Cryptantha barbigera C. B. Wolf 1932-4-27 3020 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UC1168707  Cryptantha barbigera Peter H. Raven 1958-3-16 11869 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  SD167193  Cryptantha barbigera var. fergusoniae A. C. Sanders Feb 1987 6976 Riverside Sonoran (Colorado) Desert; foot of Ra;bbit Peak on the trail up from the mountain from the east. 121 Comment
  UCR84889  Cryptantha circumscissa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16131 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR244473  Cryptantha circumscissa var. circumscissa Jim Andre 2012-4-16 20944 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  SEINET2042439 Image available Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16139 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. T3S R3E sec 11 (S/2) (sec14 and sec 14 N/2 and sec 24) 329 Comment
  JOTR29447  Cryptantha dumetorum La Doux, Tasha, Mike Bell 2006-3-8 1345 Riverside Joshua Tree National Park. Hayfield spring Comment
  JEPS29317  Cryptantha intermedia Rimo Bacigalupi, and L. R. Heckard 1962-3-26 8413 Riverside 3.3 mi nw Alberhill (w-facing slopes near headwaters of Temescal Wash and Canyon, w base of Estelle Mountain and just opposite Indian Canyon (from w)); Estelle Mountain 304 Comment
  POM293650  Cryptantha intermedia Lyman Benson 1946-4-15 12027 Riverside 2 miles east of Banning, Colorado Desert 609 Comment
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA673554  Cryptantha intermedia Scott D. White, Tasha La Doux 2000-4-20 7679 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SBBG89123  Cryptantha intermedia D. Hawks 1988-4-2 Riverside Tule Crk drainage, 1.75 air mi NE of Aguanga, SE of intersection of Dove and Sycamore streets, S of Hwy 371 762 Comment
  SD236231  Cryptantha intermedia John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  SEINET3084404 Image available Cryptantha intermedia Clifford Kishi 1972-5-14 720514 -35 Riverside San Jacinto Mts, 1 mile from Lake Hemet Reservoir along Herkey Canyon Rd. 610 Comment
  UC1063968  Cryptantha intermedia H. S. Yates 1936-4-7 5428 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UCR122540  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 2001-5-20 6669 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR142239  Cryptantha intermedia June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR158498  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, 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
  UCR193741  Cryptantha intermedia A. C. Sanders, Mitch Provance 2008-7-11 35758 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR202009  Cryptantha intermedia Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA782530  Cryptantha intermedia var. intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 Riverside southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  JOTR30316  Cryptantha maritima La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1750 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  RSA151903  Cryptantha maritima Peter M. Ray 1949-3-5 1334 Riverside Along hillcrest, Willis Palms, near 100 Palms, Coachella Valley, Riverside County Comment
  SEINET4568277 Image available Cryptantha maritima Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4595 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR167246  Cryptantha maritima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR245257  Cryptantha maritima Jim Andre 2012-3-19 21293 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  SEINET10456345  Cryptantha maritima David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3738 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR50418  Cryptantha micrantha var. lepida L. F. Lapre, S., S. J. Myers 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  UCR150974  Cryptantha micromeres D. L. Banks 1997-3-29 1636 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR128918  Cryptantha microstachys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23900 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR160322  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Peninsular Ranges; Santa Ana Mtns Region, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 793 Comment
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Jul 5 2010
  UCR43758  Cryptantha microstachys A. C. Sanders 1986-4-30 6490 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  RSA33566  Cryptantha muricata N. C. Cooper 1944-3-24 1026 Riverside Banning. 701 Comment
  UCR44431  Cryptantha muricata A. C. Sanders, B. Pitzer 1986-4-30 6480 Riverside San Jacinto Mtns, Bee Cyn, along the road [Bee Canyon Truck Trail], 1.1 miles above mouth of canyon at the San Jacinto River Valley 710 Comment
  SBBG87639  Cryptantha muricata var. muricata A. C. Sanders 1986-6-1 6537 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  JOTR30317  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1751 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  RSA0124031  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8876 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA795976  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2009-4-19 293 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCR118644  Cryptantha pterocarya var. pterocarya Helen Kennedy, Sara Mills 2001-3-17 5394 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  RSA0079114  Cryptantha pterocarya var. pterocarya Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6922 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  JOTR32918  Cryptantha racemosa Andre, Jim, Tasha La Doux 2009-2-28 10840 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  UC667292  Cryptantha racemosa Annie M. Alexander and Louise Kellogg 1941-5-20 2203 Riverside Cottonwood Pass Colorado Desert, Eagle Mountains 792 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
  POM204500  Cucurbita digitata M. French Gilman 1934-10-3 s.n. Riverside Whitewater, Colorado Desert Comment
  UCR35138  Cucurbita foetidissima L. B. Ziegler 1967-8-29 214 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  UCR241236  Cucurbita palmata Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 679 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon below the road fork 854 Comment
  UCR37448  Cupressus sempervirens Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  RSA180509  Cuscuta californica E. W. Lathrop 1965-3-25 5683 Riverside 4 miles south of Murrieta on the De Luz road. Comment
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Jul 7 2012
  RSA488714  Cuscuta californica James L. Reveal 1972-8-9 2867 Riverside along California Highway 243, 6.5 miles northwest of the Alandale Ranger Station, about 0.5 miles south of Bay Tree Spring near the trail to Black Mountain. Comment
  SD248374  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17727 Riverside Desert Cemter 7.5'Q USGS quad. Chuckwalla Moutains, just south of Corn Springs Wash, 250 m east of its confluence with Irish Wash, 500m NW of Azted Well, 74KM west of Blythe. 641 Comment
  CLARK-A1528-1432  Cymopterus panamintensis var. acutifolius John C. Roos 1948-5-15 3842 Riverside Eagle Mountains Comment
  JOTR32482  Cymopterus panamintensis var. acutifolius Herskovits, Tasya 2011-5-25 18 Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large, sandy, open wash flowing southeast to Cottonwood Canyon Comment
  UCR237698  Cynodon dactylon Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4516 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  UCR19010  Cyperus esculentus John C. Roos 1965-10-25 s.n. Riverside Coachella Valley, Coachella, south of Indio -8 Comment
  RSA776703  Cyperus squarrosus Steve Boyd, Gary D. Wallace 2005-7-30 11649 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  JEPS35182  Cystopteris fragilis Carl V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt. 2651 Comment
  CAS-BOT-BC198202  Cytisus striatus R. Leen 1987-4-8 s.n. Riverside South of Temecula on Interstate 15, W side of road between Front Street and Rainbow Valley Road exits. Comment
  UC816892  Dactylis glomerata Crawford and Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona; Santa Ana River Comment
  UCR274879  Dalbergia sissoo John F. Green 2015-12-16 s.n. Riverside Sonoran(Colorado) Desert/E Foothills Peninsular Range, La Quinta, canyon wash alongside 'The Quarry' golf course, c. 1 km west of Lake Cahuilla 70 Comment
  RSA774929  Dalea mollis Duncan S. Bell 2011-4-7 2163 Riverside Northwest side of the Arica Mountains; just south of the Colorado River Aqueduct at the end of the Aqueduct access road. 283 Comment
  UCR166721  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  SEINET3439982 Image available Dalea mollissima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2741 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  UCR92501  Dalea mollissima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  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
  UCR201443  Datisca glomerata Scott D. White, Justin M. Wood 2008-7-10 12454 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA792556  Datura discolor Duncan S. Bell 2012-9-13 4183 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  CSUSB773  Datura meteloides Elliott Helm 1975-5-3 Riverside 10 miles from Desert Center on Highway 177. Colorado Desert. 396 Comment
  RSA346263  Datura wrightii Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54043 Riverside Along Whitewater River, E of bridge and levee. Comment
  UCR21177  Datura wrightii Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA735925  Daucus pusillus Scott D. White, Justin Wood 2008-5-29 12046 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  POM9606  Daucus pusillus I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  JEPS13477  Deinandra kelloggii Frank W. Peirson 1925-5-20 6011 Riverside Aguanga Comment
  UC2030098  Deinandra kelloggii Scott D. White 2000-10-24 8143 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  UC2030093  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  UC1746493  Deinandra paniculata A. C. Sanders with D. Malueg, K. D. Jones 2000-9-8 23635 Riverside gasline right of way across Pinto and Hoopes Ranches; Perris-Aguanga Basin Region; gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  CLARK-A1528-781  Delphinium nuttallianum Heather Hanson 1966-5-12 Riverside San Jacinto Mountains 1066 Comment
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Nov 20 2015
  UC64119  Delphinium parishii H. M. Hall June 1901 2161 Riverside e base of mts along borders of Colorado Desert; San Jacinto Mountains Comment
  RSA0019620  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1069 Riverside Andreas Canyon. 457 Comment
  UC1537319  Delphinium parryi Gordon H. True Jr. 1930-3-20 98 Riverside in wash Mockingbird Hills, Mockingbird Canyon 365 Comment
  CSUSB1746  Dendromecon rigida A. H. Wheeler 1974-7-21 Riverside Rd. Banning- Idyllwild- nearest Banning. 1219 Comment
  UC1931201  Deschampsia danthonioides Scott D. White, Justin Wood 2008-6-19 12267 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR220342  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR92633  Deschampsia danthonioides G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  UC1126776  Descurainia pinnata H. S. Yates 1937-3-23 6391 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  CAS-BOT-BC43198  Descurainia pinnata subsp. brachycarpa H. M. Hall 1898-7-22 1053 Riverside San Bernardino Mountains. Comment
  JOTR37745  Descurainia pinnata subsp. glabra Hodges, Stephen R., Aliya Ingersoll 2016-2-24 659 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  UCR244400  Descurainia pinnata subsp. glabra Jim Andre 2012-4-16 20981 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UC708739  Dichelostemma capitatum H. K. Wagnon 1944-3-19 375 Riverside s side Tahquitz Creek (in Tahquitz Canyon); Palm Springs, Tahquitz Canyon Comment
  UCR140723  Dichelostemma capitatum A. C. Sanders 2004-5-12 27878 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA192248  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1960-3-11 4663 b Riverside 5 miles west of Murrieta. Comment
  RSA367528  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
  CLARK-A1528-2155  Dicoria canescens John C. Roos 1956-12-15 6605 Riverside Palm Springs 243 Comment
  SEINET3004922  Dicoria canescens G. Rink 2010-10-4 10340 -a Riverside Seven miles west of Blythe, sand dunes 152 Comment
  SD115008  Dieteria canescens var. ziegleri Fred T. Sproul 1977-8-13 185 Riverside Along road to Santa Rosa Pk. At beginning of Pine-Oak Woodland (mak 11/07) Comment
  UCR113933  Digitaria ischaemum Mitch Provance, A. C. Sanders 2000-7-4 2096 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC60770  Digitaria sanguinalis E. L. Koethen 1897-8-12 5 Riverside Riverside Comment
  CAS-BOT-BC150878  Diplacus X australis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  SD136750  Diplacus aurantiacus Steve Boyd, Tim Ross 1992-5-5 7213 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  RSA0019426  Diplacus fremontii Anstruther Davidson 1923-4-1 s.n. Riverside Idyllwild. Comment
  SD129536  Diplacus puniceus Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diego County line 366 Comment
  CAS-BOT-BC195677  Distichlis spicata Frank W. Peirson 1922-4-29 4541 Riverside South of Lake Elsinore Comment
  SD178098  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  UCR2331  Distichlis spicata var. stricta H. J. Webber 1918-6-9 40 Riverside Alkali land NE of Riverside Comment
  RSA0021693  Ditaxis claryana J. 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
  UCR75052  Ditaxis lanceolata A. C. Sanders, E. J. Lawlor 1992-4-4 12108 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR256714  Ditaxis neomexicana Duncan S. Bell 2012-2-12 3104 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR260316  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-3-10 41373 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA530746  Dithyrea californica E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert Comment
  RSA530747  Dithyrea californica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  UC1279723  Dithyrea californica David B. Dunn 1948-3-14 3774 Riverside 5 mi s Indio Hills (near Hidden Springs Ranch); Colorado Desert Comment
  SD204853  Downingia bella R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55200 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de Colorado. 579 Comment
  CAS-BOT-BC41631  Draba corrugata var. saxosa Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Mountains. San Jacinto Peak. 3293 Comment
  POM14161  Draba cuneifolia var. integrifolia P. A. Munz, D. D. Keck 1922-4-9 4781 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  POM96180  Draba cuneifolia var. integrifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  POM366543  Drymocallis glandulosa N. C. Cooper 1944-6-17 1378 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  HSC1035  Dryopteris arguta W. R. Supernaugh, Jr. 1964-12-24 24 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  RSA783269  Dryopteris arguta J. D. Olmsted 1959-4-23 460 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 732 Comment
  UCR127538  Dudleya abramsii A. C. Sanders, K. Kramer 2003-6-11 26876 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  UCR273596  Dudleya cymosa subsp. pumila Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.2 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 646 Comment
  RSA487429  Dudleya lanceolata Steve Myers 1998-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi. W of N end of Mesa de Burro, W of town of Murrieta Comment
Read comments
Dec 5 2014
  UCR164937  Dudleya lanceolata T. B. Salvato, John F. Green 2004-5-27 624 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
  UCR48403  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA0123698  Dudleya saxosa subsp. aloides Duncan S. Bell, LeRoy Gross 2016-3-30 9166 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
  RSA720444  Dudleya saxosa subsp. aloides Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1703 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  POM10338  Dyssodia porophylloides Charlotte M. Wilder 1907-4-8 715 Riverside Murray Canyon, Colorado Desert Comment
  SEINET3928569  Echinochloa crus-galli A. C. Sanders, D. Bramlet 1999-10-15 23170 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles E of Jackrabbit Trail on Gilman Springs Rd., 1.4 miles S of Eden Hot Spr.; 0 433 Comment
  CLARK-A1528-97  Echinodorus berteroi Ruth Cooper 1941-6-8 67 K Riverside Perris Comment
  POM318594  Eclipta prostrata Patricia Wilder 1970-10-15 4774 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA737428  Eichhornia crassipes Justin M. Wood 2008-8-31 128 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  RSA757452  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55207 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCR113938  Eleocharis montevidensis Mitch Provance 2000-6-24 2063 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR116777  Eleocharis montevidensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24170 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
  CAS-BOT-BC113298  Eleocharis parishii Samuel B. Parish 1907-4-22 6144 Riverside Western edge of the Colorado desert, Palm Canyon. 200 Comment
  UC111318  Eleocharis parishii S. B. Parish 1907-4-22 6145 Riverside Palm Canyon Colorado desert, western edge of 200 Comment
  RSA144656  Elymus elymoides William McKinley Klein 1960-8-22 1585 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  UCR201448  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR96414  Elymus elymoides Scott D. White 1996-8-1 4404 B Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC729843  Elymus glaucus Carl B. Wolf 1932-8-5 3942 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  RSA599100  Elymus glaucus subsp. jepsonii V. W. Steinmann, D. L. Banks 1996-4-20 843 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UCR107742  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR252008  Elymus ponticus A. C. Sanders, T. B. Salvato 2014-7-2 41186 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA585814  Emmenanthe penduliflora D. L. Banks, Steve D. Boyd 1995-5-9 348 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA613640  Emmenanthe penduliflora D. L. Banks, Victor W. Steinmann 1997-3-13 1479 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
  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
  UCR215609  Emmenanthe penduliflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 12 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA702044  Encelia actoni Scott D. White, Angelia Carey 2004-9-16 10751 Riverside San Jacinto Mountain foothills: San Jacinto Mountain foothills: Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  SD87729  Encelia actoni Frank W. Peirson 1928-4-24 7891 Riverside Cottonwood Spring. Comment
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Oct 9 2010
  UC1118066  Encelia farinosa A. Lewis Mar 1933 180 Riverside Rubidoux Mountain Riverside Quad., Rubidous Mountain 304 Comment
  UCR83194  Encelia farinosa A. C. Sanders 1994-5-15 14483 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM356679  Encelia farinosa var. farinosa E. A. McGregor 1964-3-24 s.n. Riverside Painted Canyon, S of Desert Center. Comment
  CAS-BOT-BC166529  Encelia farinosa var. phenicodonta A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37484 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
  RSA781914  Encelia frutescens Duncan S. Bell 2010-5-1 896 A 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
  CLARK-A1528-1810  Encelia virginensis John C. Roos 1943-5-23 2666 Riverside Little San Bernardino Mountains Comment
  RSA703484  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -b Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  CAS-BOT-BC81548  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  JOTR29571  Ephedra californica Andre, Jim 2006-4-6 6776 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  NY70115  Ephedra californica M. C. Ferguson 1917-4-4 s.n. Riverside Colorado Desert: White Water Comment
  OBI7473  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater wash, 3 mi SE of Palm Springs Station 305 Comment
  RSA383872  Ephedra californica Ora M. Clark 1929-2-22 1574 Riverside Sandy desert valleys. So. of Palm Springs. Colorado Desert. Comment
  RSA782339  Ephedra californica J. Andre, G. L. Clifton 2011-2-22 17472 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 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
  NY70649  Ephedra torreyana R. S. Ferris 1958-3-19 13264 Riverside 2.1 miles south of Rice on road to Midland and Blythe Comment
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Jun 2 2012
  UC1324898  Ephedra trifurca H. U. Stauffer and R. F. Thorne 1964-5-5 5921 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
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Apr 20 2013
  SBBG51413  Ephedra viridis W. Zabriskie 1974-3-27 161 Riverside S of jct with North Cyn, Andreas Cyn Comment
  UC218077  Epilobium campestre P. A. Munz and I. M. Johnston 1922-5-19 5368 Riverside Menifee Valley 426 Comment
  RSA48879  Epilobium canum subsp. canum J. C. Roos 1949-9-21 4663 Riverside Reche Canyon, 2.7 miles south of Hollow Hill Dairy 457 Comment
  RSA314465  Epilobium canum subsp. latifolium Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55401 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UC874240  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well Colorado Desert, Little San Bernardino Mts. (base of cliff) 1219 Comment
  RSA463110  Epilobium ciliatum S. J. Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with temecula Creek, near the town of Murrietta. Comment
  SD129445  Epilobium ciliatum J. Hirshberg 1989-7-25 Riverside Butterfield country, southwest of Vail Lake. Comment
  RSA674611  Epilobium densiflorum Scott D. White 2000-8-5 8180 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  IRVC2715  Epipactis gigantea R. H. Whittaker, W. A. Niering 1963-6-5 SJ 236 Riverside Santa Rosa Mtns; Andreas Cyn; valley bottom. Sonoran Desert/Peninsular Ranges 213 Comment
  SD28076  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside North base of San Jacinto Mountains, mouth of east fork of Snow Creek Canyon. Rocks at water's edge. 671 Comment
  UCR131004  Epipactis gigantea George H. Grinnell 1921-5-20 s.n. Riverside Riverside 366 Comment
  RSA607913  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains: Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  RSA639601  Equisetum arvense L. C. Wheeler 1932-7-9 926 Riverside Santa Ana River at Chino Creek 145 Comment
  RSA33551  Equisetum hyemale var. affine Norman C. Cooper 1177 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  UCR111610  Eragrostis cilianensis Scott D. White 1995-7-7 3443 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR278869  Eragrostis mexicana Mitch Provance 2012-11-10 17607 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCD63455  Eragrostis mexicana subsp. mexicana F. M. Reed Date Unknown 1469 Riverside Riverside and vicinity, roadsides in Riverside. Comment
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Jun 16 2012
  UCR25241  Eragrostis mexicana subsp. mexicana John C. Roos 1952-5-14 5659 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  RSA28057  Eremalche exilis I. L. Wiggins 1941-3-27 9685 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SBBG71518  Eremalche exilis M. N. Ackley 1927-3-13 701 Riverside Coral Reef Ranch -9 Comment
  RSA726572  Eremalche rotundifolia Naomi S. Fraga, Lisa Rojas 2005-2-10 1408 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UC724382  Eremalche rotundifolia Aven and Ruth Nelson 1939-3-29 3317 Riverside s. of Mecca (Hidden Springs Canyon) Comment
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Jul 14 2012
  RSA421558  Eremocarpus setiger M. M. Thompson 1947-6-9 C- 2065 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA58864  Eremogone ferrisiae P. A. Munz, Percy C. Everett 1950-6-23 14917 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  SBBG60443  Eremothera boothii subsp. condensata L. Rowntree 1930-5-7 Riverside Hidden Springs Comment
  JEPS31677  Eremothera boothii subsp. desertorum Samuel B. Parish Mar 1882 Riverside Whitewater Colorado Desert Comment
  UC217952  Eremothera chamaenerioides P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4853 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  RSA0043061  Eremothera refracta Jim Andre 2014-1-27 26664 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  JEPS69015  Eriastrum densifolium subsp. austromontanum M. French Gilman 1921-1 747 Riverside San Jacinto Mts. Comment
  CAS-BOT-BC514311  Eriastrum densifolium subsp. austromontanum C. Epling; Wm. Robison 1933-6-25 s.n. Riverside Little San Bernardino Mountains: Black Rock near Warren's Well 1371 Comment
  UCR6145  Eriastrum eremicum C. M. Bringle, H. Johnston 1967-5-13 B670513- 7 Riverside Sonoran (Colorado) Desert, Between Sky Valley and N Palm Springs on Dillon Rd., exact;y 3 mi. south of Bennett Rd. intersection, where Little San Bernardino Mtns. come within 100 ft of Dillon Rd. Both sides of road 152 Comment
  UC52833  Eriastrum eremicum subsp. eremicum H. M. Hall June, 1901 2119 Riverside e base of mts. San Jacinto Mountains (along borders of Colorado Desert) Comment
  RSA0120085  Eriastrum eremicum subsp. eremicum Robert Gustafson 1982-5-19 2570 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  UCR174070  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32636 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR18321  Eriastrum filifolium Frank C. Vasek 1979-6-25 790625- 01 Riverside about 2 mi east of Sage on Chaffey Ranch Comment
  RSA0120776  Eriastrum luteum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UCR174123  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32617 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
  UCR215988  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2000-5-25 23398 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR231733  Eriastrum sapphirinum John F. Green 2008-4-23 08- 16 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
  UCR225681  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA0121586  Eriastrum sapphirinum subsp. dasyanthum Marcy Keys 1981-5-16 63 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  SD28108  Eriastrum sapphirinum subsp. sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains; Point View, near Idyllwild. 1646 Comment
  SD255094  Ericameria cuneata var. spathulata Duncan S. Bell 2015-9-30 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA772850  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4841 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR163401  Ericameria linearifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  POM158197  Ericameria palmeri var. pachylepis P. A. Munz, I. M. Johnston 1928-9-6 11280 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA638866  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Corona, near Bedford Canyon: Joseph Canyon wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR89247  Ericameria palmeri var. pachylepis Scott D. White 1995-9-22 3681 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA594764  Ericameria parishii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 0987 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UCR277726  Ericameria pinifolia Kate Kramer 2016-11-29 369 Riverside San Jacinto Mountains, Living Free Animal Sanctuary, 0.6 mile east of the junction of Hwy 74 and Keen Camp Road 1471 Comment
  UC68919  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench Comment
  RSA90953  Erigeron divergens F. W. Peirson 1921-3-22 2365 Riverside Andreas Canyon, Palm Springs region Comment
  RSA701741  Erigeron foliosus var. foliosus Steve Boyd, Valerie L. Soza 2004-6-22 11538 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  HSC78581  Eriochloa aristata J. C. Roos 1965-9-26 Riverside Indio Comment
  UCSB45569  Eriochloa contracta Roos, John 1963-8-10 Riverside Blythe Comment
  CSUSB103  Eriodictyon crassifolium Kenneth Hibberd 1966-3-27 660327 7 Riverside One mile north of northwest corner of Lake Elsinore. 426 Comment
  SD260968  Eriodictyon crassifolium Mitch Provance 2012-9-13 912 06 Riverside Badlands of Western Riverside County: about 0.2 miles S of Mt. Davis A+-2 miles SSW of Beaumont. 847 Comment
  RSA200065  Eriodictyon crassifolium var. nigrescens L. B. Ziegler 1967-7-25 s.n. Riverside Summit of Thomas Mtn, San Jacinto Mts. 2073 Comment
  SD80101  Eriodictyon crassifolium var. nigrescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyo, north slope Santa Rosa Mountains. 1317 Comment
  POM12123  Eriodictyon trichocalyx Mary F. Spencer 1921-4-19 1120 Riverside Banning. Comment
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Mar 13 2011
  RSA0034268  Eriogonum John F. Emmel 1982-11-10 836 Riverside Ramona Expressway, at south edge of the Bernasconi Hills, near Lake Perris. 487 Comment
  RSA519152  Eriogonum Scott D. White 1990-10-2 s.n. Riverside Vail Lake area: Hwy 79, immediately W of Dripping Springs Guard Station. 488 Comment
  CAS-BOT-BC248618  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  CAS-BOT-BC242792  Eriogonum davidsonii E. K. Balls; P. C. Everett 1953-8-19 18529 Riverside Hwy from Banning to Idyllwild, s.e. from Lake Fullmore [Fulmore] 1676 Comment
  JEPS56711  Eriogonum davidsonii Marjorie D. Clary 1932-5-25 1645 Riverside between Indio and Pinyon Well; Little San Bernardino Mts., Berdoo Canyon 609 Comment
  RSA339312  Eriogonum davidsonii Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54026 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA666776  Eriogonum davidsonii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR102433  Eriogonum davidsonii G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  UCR103174  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  RSA561413  Eriogonum elongatum Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7680 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
  UCR260543  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-5-29 8026 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  CAS-BOT-BC249901  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  JEPS56956  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1914-5-17 5986 Riverside Pinyon Well 762 Comment
  RSA766509  Eriogonum fasciculatum var. flavoviride Donald A. Johansen, Joseph A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 366 Comment
  CAS-BOT-BC249954  Eriogonum fasciculatum var. foliolosum James L. Reveal; Caroline G. Reveal 1972-8-9 2848 Riverside Along Califiornia Highway 79 at the junction of Auld Road south of Winchester Comment
  RSA451017  Eriogonum fasciculatum var. polifolium Stephen M. Beckstrom-Sternberg 1985-5-7 1006 Riverside U.C.R. [University of California, Riverside] Botanical Garden Comment
  RSA650862  Eriogonum fasciculatum var. polifolium C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 50 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  RSA771762  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4575 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM184174  Eriogonum gracile var. gracile M. French Gilman 1932-11-30 12 Riverside Cabazon. Comment
  RSA393250  Eriogonum gracile var. gracile Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  RSA741737  Eriogonum gracile var. gracile M. Wall 2008-10-6 494 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  UCR117324  Eriogonum gracile var. gracile Mitch Provance 1998-6-11 660 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  RSA305626  Eriogonum gracile var. incultum C. W. Tilforth, Walter Wisura 1979-5-11 1913 Riverside 0.3 mi. west of Hgwy 74 on Thomas Mountain Rd., ca. 1 mile south of Lake Hemet, Garner Valley. Comment
  UCR69795  Eriogonum gracile var. incultum A. C. Sanders, Chet McGaugh 1991-7-19 11140 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  JOTR35158  Eriogonum heermannii var. argense Harding, Mitzi, T. Herskovits 2011-9-14 157 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  RSA766091  Eriogonum inflatum Joseph A. Ewan 1929-3-23 181 Riverside Whitewater Canyon, W. Colorado Desert. 488 Comment
  UCR241718  Eriogonum inflatum Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 45 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UC61697  Eriogonum inflatum var. deflatum L. D. Copeland 1904-4-30 106 Riverside West Canyon, Palm Spring Comment
  RSA393580  Eriogonum inflatum var. inflatum P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  UC635000  Eriogonum inflatum var. inflatum H. L. Mason 1928-3-10 4230 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  RSA0097128  Eriogonum palmerianum Marc A. Baker 2015-7-6 18396 Riverside South side of the San Bernardino Mountains, 9.6 km west of Whitewater River, 3.3 km north of the San Gorgonio River. 562 Comment
  UC219185  Eriogonum plumatella E. C. Jaeger 1921-11-5 251 Riverside near Hole-In-The-Wall Spring; Dry Morongo Wash Comment
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Nov 5 2011
  SBBG118  Eriogonum pusillum L. Rowntree 1928-3-20 Riverside Morongo Valley, N of Palm Springs Comment
  RSA226510  Eriogonum reniforme C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. Comment
  CAS-BOT-BC268553  Eriogonum saxatile Annie M. Alexander; Louise Kellogg 1941-4-23 2057 Riverside Morongo Valley Gorge 701 Comment
  JOTR32450  Eriogonum saxatile La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2043 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  CAS-BOT-BC263505  Eriogonum thomasii Noel H. Holmgren; Patricia K. Holmgren 1974-3-23 7468 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 243 Comment
  JOTR31860  Eriogonum thomasii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2117 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM250548  Eriogonum thomasii I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA766146  Eriogonum thomasii Donald A. Johansen, Joseph A. Ewan 1932-4-11 7082 Riverside Martinez Canyon, Santa Rosa Mts. 335 Comment
  UCSB18464  Eriogonum thomasii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.2 miles W of Desert Center 304 Comment
  CAS-BOT-BC262871  Eriogonum thurberi John Thomas Howell 1931-6-4 6646 Riverside San Gorgonio Pass Comment
  POM158196  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
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Dec 29 2009
  UC1595607  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside e Dorland Mt. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  LA207120  Eriogonum wrightii var. membranaceum C. M. Dammers; 1933-10-25 sn Riverside The Gavilan, Gavilan Hills Comment
  RSA246  Eriogonum wrightii var. membranaceum J. T. Howell 1927-8-2 556 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA420615  Eriogonum wrightii var. membranaceum Lester H. Cushman 1931-10 s.n. Riverside Mt. San Jacinto. 2134 Comment
  CAS-BOT-BC297347  Eriophyllum confertiflorum A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27906 Riverside Peninsular Ranges: Alberhill Mt 445 Comment
  RSA32412  Eriophyllum confertiflorum Norman C. Cooper 1944-7-15 1601 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  RSA695582  Eriophyllum confertiflorum Keith E. Hoffmaster 1937-6-6 774 Riverside Palms to Pines road near Keen Camp. PR4. Comment
  SDSU4087  Eriophyllum confertiflorum H. Wedberg 1967-5-19 1375 Riverside At Dripping Springs Campground, 10 miles east from Hwy 395 on Hwy 71. Comment
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  POM305044  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1939-4-22 378 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA604747  Eriophyllum multicaule A. C. Sanders 1995-4-16 16559 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UCR112977  Eriophyllum multicaule B. G. Pitzer 1998-3-1 3550 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR167816  Eriophyllum multicaule A. C. Sanders 2005-4-21 29572 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  SEINET7007897  Eriophyllum multicaule W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  JEPS5398  Eriophyllum wallacei W. L. Jepson 1928-4-25 12597 Riverside between the Cottonwood Mts. and Eagle Mts. (in wash below spring, s end of Joshua Tree National Monument); Joshua Tree National Monument, Cottonwood Spring Comment
  UCR100039  Eriophyllum wallacei Scott D. White 1994-4-23 2048 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR265820  Erodium botrys Mitch Provance 2012-5-24 512- 01 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  NY43318  Erodium cicutarium C. R. Annable 1995-3-16 2288 Riverside 4km W of Chiriaco Summit, 0.8km N of I-10 Comment
  RSA660625  Erodium cicutarium Bruce Albert 1982-4-17 7 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
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May 29 2011
  RSA716391  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD137741  Erodium cicutarium Darin L. Banks, Steve Boyd 1995-6-2 555 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, on the Woodchuck Trail just north of the Riverside County boundary. 1042 Comment
  CSUSB52  Erodium moschatum Cary Brown 1964-3-27 27364 1 Riverside East side of Pachappa Hill, City of Riverside. 274 Comment
  POM14030  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfields, Chuckwalla Valley 152 Comment
  UCR26267  Erodium texanum John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Mouth of Lost Palms Wash, Eagle Mountains Comment
  SEINET4326807 Image available Erysimum capitatum N. Cooper 1944-7-16 1550 Riverside San Jacinto Mountains, above Pine Cove 2073 Comment
  UCR120626  Erysimum capitatum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SEINET10575508  Erysimum capitatum David B. Dunn 1946-8-17 Dunn 2700 Riverside On trail to Taquity from Taquity Valley campground. On dry hillside among braken fern. San Jacinto Mountains. 2499 Comment
  RSA530311  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-19 3681 Riverside Tahquitz Peak. San Jacinto Mts. 2651 Comment
  RSA0020235  Erythranthe breweri P. A. Munz 1922-7-6 5996 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA0016048  Erythranthe cardinalis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5015 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  SD218387  Erythranthe diffusa P. A. Munz, I. M. Johnston 1922-5-20 5467 Riverside Kenworthy, San Jacinto Mountains. 1463 Comment
  SD212732  Erythranthe guttata T. B. Salvato, John F. Green 2004-5-27 602 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA0019309  Erythranthe guttata John F. Emmel 1983-6-26 869 Riverside SE end San Jacinto Mts.; along trail from Tripp Meadow to Cedar Spring, ca. 0.7 air mile NNW of Pyramid Peak. 1829 Comment
  RSA0015887  Erythranthe moschata E. C. Jaeger 5460 Riverside Idyllwild. 1585 Comment
  UCD96492  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 252 Riverside California. Riverside County: Joshua Tree National Park. 835 Comment
  UCD96504  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 511 Riverside California. Riverside County: Joshua Tree National Park. 623 Comment
  UC64136  Eschscholzia californica H. M. Hall 1897-4-18 445 Riverside Beaumont Comment
  POM10157  Eschscholzia californica var. peninsularis P. A. Munz, R. D. Harwood 1920-3-20 3369 Riverside 5 miles S of Corona 305 Comment
  CAS-BOT-BC83136  Eschscholzia minutiflora Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2116 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  CDA24567  Eschscholzia minutiflora T. C. Fuller 1963-4-23 10276 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.9 miles northeast of Mecca. 0 Comment
  SBBG23074  Eschscholzia minutiflora D. Myrick 1965-3-4 1074 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  SJSU1863  Eschscholzia minutiflora J. W. Tilden 1957-4-18 1094 Riverside near Whitewater E of San Gorgonio Pass Comment
  CAS-BOT-BC419637  Eschscholzia parishii D. E. Breedlove 1962-3-11 1883 Riverside Pocket of Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC419652  Eschscholzia parishii John H. Thomas 1957-3-30 6523 A Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert 518 Comment
  JEPS24433  Eschscholzia parishii Peter M. Ray 1949-3-12 1362 a Riverside 2 mi w Whitewater (n side of Valley); Coachella Valley 457 Comment
  UC724249  Eschscholzia parishii Aven and Ruth Nelson 1939-3-29 3320 Riverside near Palm grove; Hidden Spring Canyon Comment
  UCR147846  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11272 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR51967  Eschscholzia parishii Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR133176  Eucalyptus camaldulensis J. C. Lyman 1989-2-9 89- 2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo Comment
  SEINET237965 Image available Eucalyptus rudis A. C. Sanders 1998-1 21649 Riverside Lake Skinner area: along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley. 640 Comment
  UCR214128  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37743 B Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA682860  Eucrypta chrysanthemifolia var. bipinnatifida Scott D. White 2003-3-23 8832 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UC1618027  Eucrypta chrysanthemifolia var. chrysanthemifolia Donald G. Nelson 1936-5-22 390 Riverside along trail from Ribbonwood Camp down to Palm Canyon (Pines to Palms Hwy, near base of Santa Rosa Mountains) Comment
  RSA0121597  Eucrypta micrantha Duncan S. Bell, LeRoy Gross 2016-3-29 9105 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  RSA420859  Eucrypta micrantha E. C. Jaeger 1922-3-29 727 Riverside Fords Well, Chuckwalla Valley. Comment
  RSA716000  Euphorbia albomarginata R. D. Goeden, D. W. Ricker 1965-6-24 s.n. Riverside Riverside, east of Gage Canal near end of Massachusetts Ave. 320 Comment
  UCD142540  Euphorbia albomarginata William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR128913  Euphorbia albomarginata A. C. Sanders, Mitch Provance 2001-4-5 23916 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  RSA778412  Euphorbia eriantha Stephanie Rockwood, Christi Gabriel 2011-10-4 056 Riverside Cuckwalla Bench ACEC. Take Red Cloud Wash Rd to Gas Line Rd to Queen Esther Rd. Approximately 4 miles on Queen Esther Road. 673 Comment
  UCR199835  Euphorbia eriantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-6-14 11262 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains, western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 570 Comment
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Jun 20 2011
  RSA0043053  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-1 6482 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range; approximately 3.3 air miles northwest of Gucci Spring; about 4 air miles north of the Bradshaw Trail. 698 Comment
  SD181559  Euphorbia micromera Louis C. Wheeler 1965-6-27 8690 Riverside Corona; Overboltzer's Grove. Comment
  UCR26784  Euphorbia misera A. C. Sanders 1982-3-20 2441 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, S end of Whitewater bench, above a small dirt road to the top of the bench and overlooking I-10 Comment
  UCR128427  Euphorbia nutans A. C. Sanders 2003-10-17 27353 Riverside San Bernardino Valley Region, Riverside, 3rd St. west of Chicago Ave. 287 Comment
  UCR88156  Euphorbia ophthalmica A. C. Sanders 1994-11-8 15864 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage Lane 46 Comment
  JEPS51905  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1302 Riverside Strawberry Valley; Mt. San Jacinto Comment
  RSA0047265  Euphorbia polycarpa J. Mark Porter, Lauren E. Machen 1997-2-15 11426 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
  RSA717574  Euphorbia polycarpa A. C. Sanders 2004-2-6 27386 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called Trilogy at Glen Ivy, south of Brown Canyon 442 Comment
  UCD142700  Euphorbia polycarpa Patricia Wilder 1971-5-13 4946 Riverside Chino Hills Mountain Range. Prado Flood Control Basin; along bank at east end of top of Prado Dam. 213 Comment
  UCR132748  Euphorbia polycarpa Scott D. White 1993-2-5 1049 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  CLARK-A1528-440  Euphorbia polycarpa var. polycarpa Penny Stead 1970-4-21 Riverside University of California 274 Comment
  UCD142855  Euphorbia setiloba Geoffrey Levin 1976-10-17 1168 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  RSA392122  Eustoma exaltatum Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC239709  Fabaceae Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert Comment
  LA209843  Fagonia laevis Martha Hilend; 1932-3-25 sn Riverside Chuckawalla Mountains, about 3 mi. above Corn Springs Comment
  NY43266  Fagonia laevis C. R. Annable 1995-3-15 2279 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  POM87260  Fagonia laevis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA651719  Fagonia laevis Viki Cruz 1983-5-8 19 Riverside one mile into Magnesia Canyon, Santa Rosa Mts. Comment
  UCR172200  Festuca microstachys John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR213307  Festuca microstachys var. pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37700 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR213511  Festuca microstachys var. pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37837 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
  UCR108880  Festuca octoflora Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  SD194  Festuca perennis Fidella G. Woodcock 1928-4-27 Riverside Road to San Jacinto Comment
  UCR199789  Festuca pratensis Scott D. White, Justin M. Wood 2008-6-24 12289 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA500100  Filago californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3210 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR196305  Filago depressa R. F. Thorne, M. Z. Thorne 1973-3-30 42686 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR196017  Filago gallica R. F. Thorne, E. W. Lathrop 1975-5-20 45508 Riverside Santa Rosa Plateau, Santa Ana Mountains, Rancho California, Mesa de Burro 610 Comment
  RSA292902  Flaveria trinervia M. Tavianini 1977-10-23 s.n. Riverside La Sierra, A weed in a pepper field on McKinley ST. about 1 mile N of the 91 Freeway Comment
  RSA0039650  Fouquieria splendens Duncan S. Bell, LeRoy Gross 2014-3-20 6287 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA69357  Fouquieria splendens G. R. Campbell 1951-5-30 16157 Riverside Between junction of North and South roads around Lake Matthews and of HWY 395. 457 Comment
  UCR96124  Fouquieria splendens B. G. Pitzer 1996-11-9 2922 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  SEINET6645831  Fouquieria splendens I. W. Clokey 1935-4-17 6752 Riverside Shafer Wells Comment
  CAS-BOT-BC223605  Fouquieria splendens subsp. splendens Catherine A. Toschi 1963-4-10 63 :112 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  UC63830  Fraxinus dipetala unknown 1897-4-16 461 Riverside near Banning 1219 Comment
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Mar 13 2011
  UC878074  Fraxinus dipetala P. A. Munz 1922-4-28 5046 Riverside Leach Canyon Santa Ana Mts. 670 Comment
  RSA524461  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4064 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA458587  Funastrum cynanchoides var. hartwegii M. B. Dunkle 1935-4-17 4557 Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  POM97113  Funastrum cynanchoides var. hartwegii P. A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  RSA0106758  Funastrum hirtellum Duncan S. Bell, Amanda Turek 2009-3-29 143 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  SJSU11071  Funastrum hirtellum R. C. McGhee 1970-4-14 186 Riverside E base Coxcomb Mts at end of rd 2.3 mi W of junction with Desert Center-Rice Rd Comment
  UCR232393  Funastrum utahense Dave Silverman 2010-3-30 7880 Riverside Sonoran (Colorado) Desert, east bajada flank of southern McCoy Mountains, 950 m W of Black Creek Rd, E of McCoy Pk, and 4.4 km north of I-10 171 Comment
  UCR232069  Gaillardia pulchella John F. Green 2008-4-24 13- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR201640  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-18 12211 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR230923  Galium angustifolium T. B. Salvato, Richard Camacho 2011-6-12 5476 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  VVC459  Galium angustifolium A. C. Sanders, J. Mac 1997-5-4 20665 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
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA770704  Galium aparine Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4808 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR108396  Galium aparine D. L. Banks, V. W. Steinmann 1997-3-13 1463 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
  RSA701501  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1296 Riverside Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows. 1418 Comment
  RSA706295  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1285 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UCR42483  Galium multiflorum P. J. Leary 1975-5-28 1210 Riverside Transverse Range, Little Berdoo triangulation station, 0.5 miles southwest of Bernard Peak, Joshua Tree National Monument 1616 Comment
  UCR23491  Galium parishii John C. Roos 1936-9-15 2510 Riverside San Jacinto Mtns., Above Idyllwild Comment
  SDSU14028  Galium porrigens var. porrigens Michael G. Simpson, Kim O'Connor 2000-4-29 2071 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  SEINET13297620 Image available Galium porrigens var. tenue T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8348 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 (Corona South 7.5' Q.) 424 Comment
  CLARK-A1528-3956  Galium stellatum subsp. eremicum John C. Roos 1949-4-10 4229 Riverside Chuckwalla Mountains Comment
  UCR34932  Gamochaeta pensylvanica L. B. Ziegler 1977-3-20 560 Riverside Cismontane; San Jacinto Valley, City of San Jacinto 473 Comment
  RSA601080  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen 1996-5-1 18121 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1098 Comment
  UCSB45571  Gastridium phleoides Roos, John 1939-5-27 Riverside Reche Canyon Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR248028  Gelsemium sempervirens O. F. Clarke 2010-7-30 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  POM358672  Geraea canescens M. B. Dunkle 1932-3-25 2917 Riverside 10 miles NW of Indio. Comment
  SEINET236366  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside La Quinta/ Palm Desert Area: White water River Channel at and near Miles Ave. Crossing. Coachella Valley. 30 Comment
  UCR167202  Geraea canescens S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UC1929929  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  UCR127533  Gilia A. C. Sanders 2002-5-4 25041 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR178845  Gilia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 389 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR30803  Gilia australis A. C. Sanders, Ken Berg 1980-5-1 1357 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  SEINET6046694  Gilia capitata Unknown 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. Roadside. Comment
  RSA171388  Gilia diegensis J. D. Olmsted 1962-5-3 3488 Riverside Edge of Thomas Mountain fire road south of Hemet Lake, NE flank of Thomas Mountain. 1418 Comment
  UCR164060  Gilia latifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29139 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA0112626  Gilia ochroleuca A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35604 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.25 mi SW of Fleming Ranch, meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1562 Comment
  SD129478  Gilia ochroleuca Ed LaRue 1989-6-11 Riverside West side of Lakeview Mountains, ca. 1.0 mile southeast of town of Nuevo. 640 Comment
  RSA0083764  Gilia ochroleuca subsp. exilis Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 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
  SBBG81689  Gilia stellata S. A. Junak 1983-3-23 1643 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  UCR269837  Gilia stellata A. C. Sanders, Jim Malusa 2016-3-18 42381 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB52568  Gilia stellata Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot; Chino Canyon; Whittaker transect #W-217 570 Comment
  CAS-BOT-BC123839  Gilia tenuiloba Samuel Bonsal Parish 1880-7-1 689 Riverside San Jacinto Mts. Comment
  RSA66736  Glaucium flavum H. Baer 1923-5-22 s.n. Riverside South side of Lake Elsinore Comment
  RSA725967  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
  UCR2451  Glyceria elata F. M. Reed 1908-7-13 2512 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  RSA747280  Gnaphalium Orlando Mistretta 1992-6-10 521 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  SDSU12522  Gnaphalium californicum Shasta Gaughen, M. G. Simpson 2000-4-29 11 Riverside 0 Comment
  UCR159253  Gnaphalium californicum A. C. Sanders, Kelly Volansky 2005-8-31 31582 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR201862  Gnaphalium canescens Justin M. Wood 2008-9-19 133 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR138723  Gnaphalium palustre Julie A. Greene 1993-4-17 1194 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  JOTR16683  Grayia spinosa Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  SDSU18362  Guillenia lasiophylla C. Matt Guilliams 2008-2-27 482 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 370 Comment
  UCR106912  Gutierrezia californica D. L. Banks, L. Raz 1996-11-5 1161 Riverside NW Palomar Mtns., Pechanga Indian Reservation, south of San Gabriel Church; west of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34 390 Comment
  UCR215455  Gutierrezia microcephala Jim Andre, T. La Doux 2008-9-16 10690 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  OBI8071  Gutierrezia sarothrae David J. Keil, Malcolm McLeod 1977-3-26 12021 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  UCR199699  Haplopappus menziesii Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10667 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
  HSC85268  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of I-15. Comment
  RSA0066621  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SBBG120608  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  RSA0066622  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA648739  Helianthemum scoparium var. scoparium J. C. Roos 1941-2-1 226 a Riverside south of thePlateau, Reche Canyon. 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
  CAS-BOT-BC305710  Helianthus gracilentus H. M. Hall 1902-4-1 2922 Riverside Vicinity of Riverside 365 Comment
  RSA33632  Helianthus gracilentus N. C. Cooper 1944-7-15 1608 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR182435  Heliotropium curassavicum Mitch Provance 2005-5-17 6584 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA0045156  Heliotropium curassavicum Andrew Haimov, April Sleigh 1992-5-10 88 Riverside West side of Davis Road, 1/2 mile south of Allessandro Road, San Jacinto Wildlife Area. Across road from agricultural field. Comment
  CSUSB993  Heliotropium curassavicum var. oculatum Pam Maynard 1974-5-27 Riverside Mount San Jacinto Mount San Jacinto beside highway 243. 914 Comment
  CAS-BOT-BC314980  Hemizonella minima Munz; Street; Williams 1919-5-30 2828 Riverside Dark Canyon, Pine Crest, San Bernardino Mts. Comment
  RSA561418  Hemizonia kelloggii Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7691 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
  UCR85583  Hemizonia kelloggii Julie A. Greene 1993-5-12 1322 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  RSA678264  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1065 -b Riverside McCall Memorial Park. 1341 Comment
  UCR161254  Hemizonia mohavensis A. C. Sanders, Mike Misenhelter 2005-9-20 31680 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  RSA192325  Hemizonia paniculata E. W. Lathrop 1967-5-14 s.n. Riverside 1-2 miles SW of Murietta Comment
  UCR266260  Hemizonia paniculata D. E. Bramlet 2006-8-11 4045 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  CLARK-A1528-1923  Hemizonia pungens John C. Roos 1952-5-14 5670 Riverside San Jacinto River 426 Comment
  UCR162935  Hemizonia pungens subsp. laevis Fred M. Roberts, D. E. Bramlet 2005-4-1 6146 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA286424  Hesperocallis undulata Mary H. O'Brien 1976-4-14 s.n. Riverside 0.4 mile N of Amboy Road and 3.4 miles east of Adobe Road in Twentynine Palms. 595 Comment
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Mar 29 2014
  RSA550338  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4650 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  RSA515313  Hesperocnide tenella Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 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
  SEINET3930662  Hesperocnide tenella David Keil 1983-4-15 16897 Riverside East of Temecula on SR79.; 0 Comment
  RSA715314  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SBBG37288  Hesperolinon micranthum D. L. Banks, M. Kinney 1998-6-8 2220 Riverside Pechanga Indian Reservation along the Magee Truck Trail, at the S extremity of the Reservation just before the RIV/SDG Co line border 475 Comment
  RSA583618  Heterocodon rariflorum Steve Boyd, Darin L. Banks 1995-3-30 8414 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA192331  Heteromeles arbutifolia H. A. Zuill 1966-6-29 259 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  OBI76848  Heterotheca sessiliflora var. sanjacintensis J. C. Semple & J. Chimielewski, J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr Comment
  CAS-BOT-BC310923  Heterotheca villosa J. C. Roos 1965-9-16 s.n. Riverside On State St. near Florida St., Hemet Comment
  JEPS44370  Heuchera hirsutissima Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4252 Riverside ne side Toro Peak; Santa Rosa Mts 2499 Comment
  CAS-BOT-BC47578  Heuchera parishii Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  HSC24986  Hibiscus denudatus R. W. Spjut 1972-2-1 2159 Riverside Colorado Desert, 10 mi. N on Eagle Mtn. Rd. from junction of Inst. 10, 1 mi. W of Desert Center Comment
  RSA432776  Hibiscus denudatus N. C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  RSA515200  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  SBBG71436  Hibiscus denudatus M. N. Ackley 1928-4-3 709 Riverside Clarys Cyn, Coral Reef Ranch 152 Comment
  VVC693  Hibiscus denudatus P. J. MacKay, T. Thomas 1997-2-8 102 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  CLARK-A1528-4681  Hilaria rigida John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  SEINET190986 Image available Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside 5 mi E of Shaver's Summit; Rt 60 & 70 Comment
  UCD89948  Hilaria rigida James B. Garner 1959-4-20 USD 1 Riverside 6 miles west of Elyth. Comment
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May 29 2013
  UCR275426  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 960 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  CLARK-A1528-476  Hoffmannseggia densiflora Charlotte Stocks 1964-9-11 Riverside Indio Comment
  RSA0031467  Hoffmannseggia glauca Kristin Forgrave, Josh Paolini 2013-8-7 27 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  SBBG3333  Hoffmannseggia glauca H. and M. Dearing 1938-3-5 1961 Riverside between Blythe and Desert Center Comment
  UCD105855  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  SEINET10918608  Hoffmannseggia microphylla A. K. Evans 1976-4-13 Evans 5155 Riverside Desert canyons of Santa Rosa mountains. Comment
  CAS-BOT-BC285033  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin: San Jacinto River Valley, S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 mi. NW of San Jacinto 445 Comment
  RSA515318  Hordeum depressum Jeri Hirshberg 1989-4-19 s.n. Riverside South of town of Murrieta, W of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W) 610 Comment
  UCR126978  Hordeum depressum A. C. Sanders, T. B. Salvato 2003-5-9 26582 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  CAS-BOT-BC273469  Hordeum intercedens Mitch Provance 2005-5-17 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA608533  Hordeum intercedens D. E. Bramlet 1996-4-18 2456 Riverside San Jacinto Wildlife Area, approximately 762 m. northeast of Lakeview. The site is found 122 m. east of Davis road and 40 m. north of Marvin Road., ~37 44 856mN X 4 88 940mE 434 Comment
  UCR266342  Hordeum intercedens D. E. Bramlet 1996-4-18 2457 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, c. 762 m NE of Lakeview, 122 m east of Davis Rd. and 40 m north of Marvin Rd 434 Comment
  UCR75530  Hordeum intercedens A. C. Sanders 1993-5-12 14012 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA560848  Hordeum marinum subsp. gussoneanum Steve Boyd, Timothy S. Ross 1992-5-4 7176 -A Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  JOTR35205  Hordeum murinum subsp. glaucum Harding, Mitzi, Tasya Herskovitz 2011-4-28 182 Riverside Joshua Tree National Park. Barker Dam, approx. 200m from trail head 1304 Comment
  RSA87059  Hordeum murinum subsp. glaucum F. W. Peirson 1921-3-22 4337 Riverside Murray Canyon, near Palm Springs 396 Comment
  UCR182859  Hordeum murinum subsp. leporinum Mitch Provance 2001-4-21 4635 Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  RSA482010  Horkelia clevelandii Richard Noyes, L. Arnseth 1988-9-10 721 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  CAS-BOT-BC312586  Hulsea vestita subsp. callicarpha Mary F. Spencer 1919-6-19 1200 Riverside San Jacinto Mt. 1645 Comment
  RSA720462  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1681 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  UCR55320  Hulsea vestita subsp. callicarpha Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  RSA771744  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4762 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UCR41553  Hymenoclea salsola A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6107 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 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
  UCR92180  Hypochaeris glabra D. L. Banks, Steve Boyd 1995-5-3 0190 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  JOTR16727  Hyptis emoryi Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  POM308630  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3219 Riverside North of Indio. Comment
  RSA516910  Hyptis emoryi Steve Boyd, Orlando Mistretta 1986-3-13 1451 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA651634  Hyptis emoryi David B. Dunn, H. Lint 1955-4-1 11843 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA678349  Hyptis emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10463 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC1714339  Hyptis emoryi T. A. Geissman Riverside Box Canyon 3 mi e Mecca; Box Canyon e of Mecca Comment
  SEINET13948495 Image available Hyptis emoryi N. Dunn, A. M. Martin 1932-1 Riverside Box Canon Comment
  RSA702552  Isocoma menziesii var. vernonioides Scott D. White, B. Leatherman 2004-10-7 10772 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  RSA357000  Isoetes howellii R. F. Thorne 1973-5-23 43875 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 609 Comment
  CSUSB714  Isomeris arborea var. angustata Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
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Aug 26 2014
  RSA609952  Iva axillaris subsp. robustior D. E. Bramlet 1996-4-15 2453 Riverside San Jacinto Wildlife Area, SW corner of reserve; adjacent to the existing maintenance road and 105 m N of the Ramona Expressway. 433 Comment
  RSA228836  Jepsonia parryi Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 608 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore; off Forest Route 7S04 487 Comment
  RSA787276  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  IRVC28523  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. San Bernardino Mtns. 793 Comment
  SACT002762  Juglans regia G. Pyburn 1890-6-7 Riverside Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  RSA674965  Juncus bufonius Scott D. White, Teresa Salvato 2001-6-8 8583 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SD146109  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek, between Highway 79 (Winchesrwe Road) and Scott Road, Domenigoni Ranch, south of Winchester; winchester 7.5' quad. In mud along drying creek margins among dense herbs, between old fields. 433 Comment
  UCR20893  Juncus bufonius A. C. Sanders 1978-7-1 772 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  SEINET6059809  Juncus effusus Scott D. White 1998-7-31 6957 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA268209  Juncus effusus subsp. austrocalifornicus M. B. Dunkle 1933-7-21 3722 Riverside Idyllwild 1616 Comment
  UCR197054  Juncus effusus subsp. austrocalifornicus A. C. Sanders, D. L. Sanders 2008-9-27 36100 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA254371  Juncus luciensis E. W. Lathrop 1975-5-4 5451 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burro, 3.0 miles W of Murrieta. Comment
  SD122852  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside DeLuz Road, 8 miles west of Rancho California, side canyon of Sandia Creek, in wet sand along stream. 305 Comment
  RSA180267  Juncus mexicanus E. W. Lathrop 1960-6-9 4984 Riverside 14 miles west of Murrieta. Comment
  UCR21011  Juncus mexicanus A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1336 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UCR113735  Juncus rugulosus Mitch Provance 2000-6-24 2071 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR23188  Juncus rugulosus P. Tomlinson 1981-5-24 40 Riverside Peninsular Range, Near Mesa de Colorado, c. 1 mi south of Tenaja Rd., 3 mi east of Squaw Mtn, and c. 0.25 mi north of central Mesa Colorado 652 Comment
  RSA0000300  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2971 Riverside Large wash behind Kenworthy Ranger Station, near Route 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 762 Comment
  UCR20717  Juniperus californica A. C. Sanders, S. D. Boyd 1980-5-2 1424 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC234582  Justicia californica 1940-4-6 5972 Riverside 3 mi. below Cottonwood Springs Comment
  LA202789  Justicia californica Nesta Hutchinson; A. M. Martin 1932-3-26 sn Riverside Shavers Well Comment
  RSA26370  Justicia californica Reid Moran 1941-5-5 855 Riverside Cottonwood Pass, Eagle Mtns. Comment
  RSA398814  Justicia californica Robert L. Dressler 1949-3-19 413 Riverside Box Canyon, Orocopia Mts. Comment
  RSA778143  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SEINET2163464 Image available Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, eagle Mountains 460 Comment
  SBBG54439  Justicia californica R. Langham 1966-3-14 4 Riverside rd to Tramway above Palm Springs, San Jacinto range 304 Comment
  UCR89730  Kallstroemia californica J. M. Stewart 1990-9-23 661 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC235498  Keckiella antirrhinoides L. R. Abrams 1941-4-22 13882 Riverside Palomar School near Perris Comment
  CAS-BOT-BC235504  Keckiella antirrhinoides Jim Shevock 1970-4-25 163 Riverside Coldwater Trail 670 Comment
  RSA503492  Keckiella antirrhinoides Frederick W. Oettinger 1969-4-9 865 Riverside San Bernardino Mts., Whitewater Canyon: c. 10 mi. NNW of Palm Springs. Comment
  SFV16370  Keckiella antirrhinoides n. s. 1992-5-16 Riverside Lake Matthews. Comment
  POM10203  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder s.n. Riverside Dry hills beow Tahquitz. Comment
  UCR225154  Keckiella rothrockii subsp. jacintensis Steve Boyd, Gary Wallace 2005-7-30 11656 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA0019433  Keckiella ternata subsp. ternata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA740082  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside Meadow at Quinn Flat. 1378 Comment
  UC38719  Koeleria macrantha H. M. Hall 1901-6-20 2206 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1645 Comment
  UCR121691  Koeleria macrantha D. E. Bramlet 1989-5-19 1872 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  SD260062  Krameria bicolor J. Andre 2012-4-11 20790 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky (granitic) hills and large wash. 729 Comment
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  JOTR30099  Krameria grayi La Doux, Tasha, Alice Miller 2007-5-31 1775 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  UC667367  Krameria grayi Annie M. Alexander and Louise Kellogg 1941-5-20 2207 Riverside Eagle Mountains Eagle Mountain Pumping Station Road; Colorado Desert, Eagle Mountains 457 Comment
  SDSU13575  Lactuca serriola W. Miller 1972-8-9 Riverside Comment
  CAS-BOT-BC340717  Laennecia coulteri S. B. Parish 1912-10-12 8356 Riverside Salton Basin. Mecca -57 Comment
  SEINET11446730 Image available Laennecia coulteri H. M. Hall 5941 Riverside Palo Verde Valley 76 Comment
  RSA68307  Lagophylla ramosissima G. R. Campbell 1951-5-30 16108 Riverside 9 miles west of Anza. 1067 Comment
  JOTR35335  Langloisia setosissima subsp. setosissima Harding, Mitzi, Mark Wheeler 2012-2-28 101 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  HSC47363  Larrea tridentata R. W. Spjut, C. E. Edson 1978-5-6 5027 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  LA209861  Larrea tridentata Harlan Lewis; 1935-4-7 sn Riverside Palm Springs 138 Comment
  LA99472  Larrea tridentata Hisao P. Arai; 1957-4-17 sn Riverside 1 mi S of Cabazon, off Hwy 60 Comment
  RSA457768  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2219 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA652037  Larrea tridentata Peter Gail 1961-5-13 s.n. Riverside Along Palms to Pines Highway, 2 miles north of junction. Comment
  UCR216259  Larrea tridentata Mike Bell 2008-3-19 039 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
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Oct 12 2013
  UCSB9623  Larrea tridentata Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon, 1 mi from US 101 Comment
  SEINET10479878  Lastarriaea coriacea James L. Reveal 1988-5-23 Reveal 6865 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, on sandy granitic soil north of the highway and south of the San jacinto River, associated with Encelia and Eriogonum at about 2000 feet elevation. Sec. 10, T5S, R1E. 610 Comment
  SD152928  Lasthenia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, along San Mateo Trail from junction 7S04 and 7S01. 395 Comment
  POM13238  Lasthenia coronaria P. A. Munz, I. M. Johnston 1922-5-19 5349 Riverside 5 miles NE of Murietta. 457 Comment
  SD232188  Lasthenia coronaria Michael Wall 2003-4-15 265 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy, up dirt road at turnout along west side of Hwy. 601 Comment
  UCR102761  Lasthenia coronaria B. G. Pitzer 1998-3-7 3586 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
  POM13768  Lasthenia gracilis P. A. Munz 1922-4-29 5088 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  POM6022  Lasthenia gracilis F. M. Reed 1905-2-26 670 Riverside Riverside. Comment
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Apr 30 2011
  RSA593916  Lasthenia gracilis Steve Boyd, David E. Bramlet 1996-4-19 8596 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR225623  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38829 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  UCR172278  Lathyrus odoratus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  RSA1496  Lathyrus vestitus var. alefeldii J. T. Howell 1929-2-14 1233 Riverside Santiago Trail, above Glen Ivy Comment
  UC1128965  Lathyrus vestitus var. alefeldii A. Lewis 1934-3-1 357 Riverside Hagador Canyon Cleveland National Forest, Corona Quad. 1082 Comment
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Dec 11 2011
  CDA6769  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut Comment
  POM361744  Layia H. M. Hall 1897-4-3 442 .5 Riverside Winchester. Comment
  UC62896  Layia glandulosa H. M. Hall May 17 1901-Jun 1 1901 1816 Riverside San Jacinto River Canyon Comment
  SEINET7063235  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR241409  Layia platyglossa T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7443 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR59682  Layia platyglossa subsp. campestris Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2985 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  RSA0057841  Layia platyglossa subsp. campestris Paul McLaughlin 1976-4-9 0409762 Riverside Box Springs Mountains. One mile west of Box Springs Mtn. Road along a County Park trail. 822 Comment
  UC205107  Lepidium dictyotum D. Cleveland 1882-5-3 Riverside Temecula Plain Comment
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Nov 9 2009
  CAS-BOT-BC89433  Lepidium fremontii Ira L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring, Chuckawalla Mountains. Comment
  UC421649  Lepidium fremontii John Thomas Howell 1928-1-30 3305 Riverside 2 mi e Shaver Well; Colorado Desert Comment
  UC494743  Lepidium fremontii C. L. Hitchcock 1932-4-8 12221 Riverside 1 mi w Cottonwood Springs (e Riverside County) Comment
  RSA27384  Lepidium lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mile below Cottonwood Springs 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
  RSA457763  Lepidium lasiocarpum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2122 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA717468  Lepidium lasiocarpum Scott D. White, Andrea Warniment 2006-3-22 11265 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA0014782  Lepidium lasiocarpum Norman C. Cooper 1945-3-24 1619 Riverside Cabazon. 457 Comment
  UC573614  Lepidium lasiocarpum var. lasiocarpum H. S. Yates 1937-3-23 6426 Riverside near Thermal; Thermal Quad. 30 Comment
  SBBG92557  Lepidium latifolium D. Mitchell 1990-1-3 Riverside Woodcrest, S of Van Buren and W of Washington; T3S, R5W, S28 Comment
  UCR135814  Lepidium nitidum A. C. Sanders, Guy Bruyea 2004-4-2 27445 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR91891  Lepidium pinnatifidum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18053 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA751098  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2009-5-21 12853 Riverside Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  SD137828  Lepidium virginicum var. pubescens Darin L. Banks, Steve Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain. East of Dripping Springs Alcove Area, ArroyoSeco 504 Comment
  SD262251  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 62 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 392 Comment
  CLARK-A1528-2172  Lepidospartum squamatum John C. Roos 1963-11-15 Riverside Coachella Valley upper end of valley, Colorado Desert; in a rocky wash; ; Whitewater 7.5'Q 426 Comment
  RSA575857  Lepidospartum squamatum Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UCR112594  Lepidospartum squamatum Mitch Provance 1998-2-17 74 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  SEINET3196334 Image available Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1989-9-22 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. 500 Comment
  RSA0087455  Leptochloa panicea subsp. brachiata Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 A Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  CLARK-A1528-4715  Leptochloa uninervia John C. Roos, Lucille Roos 1951-10-24 5332 Riverside Riverside 228 Comment
  UC77020  Leptochloa uninervia J. W. Mills 1904-1-1 Riverside Coachella Colorado Desert Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA221059  Leptosiphon floribundus subsp. glaber E. W. Lathrop 1966-4-27 6216 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  RSA429765  Lesquerella kingii subsp. latifolia Jack Rempel 1935-4-14 s.n. Riverside Pinto Basin 518 Comment
  UCR159199  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2005-8-31 31592 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR139966  Lessingia glandulifera var. glandulifera Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  MACF014189  Libocedrus decurrens Richard Walker 1967-9-30 101 Riverside South side of spillway ca. 20 yds. from Hiway. 1584 Comment
  CAS-BOT-BC130874  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mountains Comment
  JEPS62043  Lilium parryi Carl V. Meyer 1928-7-24 518 Riverside Idyllwild; San Jacinto Mt. Comment
  CAS-BOT-BC248277  Limonium duriusculum A. C. Sanders; John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mts. Region: Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  RSA768502  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA49349  Linanthus aureus var. decorus P. A. Munz 1949-4-11 13017 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  JOTR33964  Linanthus bigelovii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2850 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
  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
  CAS-BOT-BC225696  Linanthus californicus Hayes 1975-5-7 2360 Riverside Hiway 243 ~ 12 m. N James Reserve Comment
  UCD166199  Linanthus californicus Jack Major 1962-4-16 764 Riverside Along shoulder and on cut banks of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  POM65865  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1902-04 2942 Riverside Vicinity of Riverside 366 Comment
  RSA560843  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1992-5-4 7179 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM14282  Linanthus dianthiflorus subsp. farinosus P. A. Munz 1922-4-30 5134 Riverside Tucalota Creek, south of Hemet Comment
  RSA480084  Linanthus filiformis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UC52541  Linanthus floribundus subsp. floribundus H. M. Hall 1898-4-9 874 Riverside Temescal Mts. Comment
  RSA484736  Linanthus floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  RSA73678  Linanthus floribundus subsp. hallii R. S. Woglum 1941-5-17 3041 Riverside Alder Canyon off Coyote Canyon. Comment
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Jun 9 2012
  RSA517246  Linanthus jonesii Steve Boyd, Orlando Mistretta 1986-3-13 1459 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SBBG87714  Linanthus jonesii D. Charlton 1988-2-18 1175 Riverside S side of Cottonwood Wash, 5 mi E of jct Dillon Rd and Fargo Cyn Rd 762 Comment
  RSA673729  Linanthus lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET7096695  Linanthus lemmonii A. G. Vestal 1962-3-28 s.n. Riverside Ca 3.8 miles west of Sage on the East Benton Road Tucolota Valley. NAD27, 33? deg. 34' 34ao, -116?_ 58' 23ao (converted to WGS84 decimal degrees) UTM Zone 11 502509mE, 3714953mN Comment
  UCR193131  Linanthus lemmonii A. C. Sanders, Tim Thomas 2008-6-20 35531 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR153625  Linanthus maculatus J. M. Porter, L. E. Machen 1995-4-14 10693 Riverside Sonoran (Colorado) Desert, Floodplains of Morongo Wash, east of Hwy 62 and south of the intersection of Indian Ave. and Hwy 62, between US 62 and an old road parallel and E to it. 500 Comment
  RSA705852  Linaria canadensis Steve D. Boyd, Darin Banks 1994-4-5 8260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA5026  Lithophragma affine subsp. mixtum Dorothy R. Wolf 1932-3-20 26 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  CSUSB534  Lobularia maritima Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  UCR119262  Loeflingia squarrosa Mitch Provance 1998-6-9 633 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  RSA27972  Loeseliastrum matthewsii C. L. Hitchcock 1940-4-4 5948 Riverside Pinto Basin. Comment
  RSA59574  Loeseliastrum schottii Verne Grant, Alva Grant 1950-4-9 8837 Riverside Palm Springs. Comment
  UCR60247  Loeseliastrum schottii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3650 Riverside Butterfield Valley, Vail Lake area, Temecula Creek, SE of the lake, just north of Hwy 79 488 Comment
  UCR85316  Logfia filaginoides A. C. Sanders, George K. Helmkamp, E. A. Helmkamp 1995-3-19 16158 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  UCR126973  Lolium perenne A. C. Sanders, T. B. Salvato 2003-5-9 26591 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  SEINET251731 Image available Lolium rigidum Walter Graves 2002-6-11 602 -2 Riverside Grown iat U.C.R. in Agricultural Operations Fields 305 Comment
  UCR199939  Lolium rigidum Scott D. White, Justin Wood 2008-5-13 11951 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  UCR160934  Lomatium A. C. Sanders 1994-5-30 14598 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA691957  Lomatium dasycarpum Scott D. White, Michael Honer 2003-4-9 8980 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  POM15043  Lomatium dasycarpum subsp. dasycarpum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb Canyon Pass, Banning. Comment
  RSA452089  Lomatium dasycarpum subsp. dasycarpum N. C. Cooper 1944-6-4 1324 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UC64430  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1922 Riverside Kenworthy-Van Deventer Divide Comment
  UCR4611  Lomatium utriculatum Frank C. Vasek 1960-4-12 600412- 03 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  CAS-BOT-BC240673  Lonicera interrupta Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  POM296448  Lonicera subspicata Lyman Benson 1945-11-10 11912 Riverside 5 miles east of Temecula. 457 Comment
  RSA674871  Lonicera subspicata var. denudata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  POM13999  Lotus argophyllus var. argophyllus E. C. Jaeger s.n. Riverside Santa Rosa Mountains, Colorado Desert Comment
  UC62935  Lotus argophyllus var. argophyllus H. M. Hall May 1899 Riverside Kenworthy 1310 Comment
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Mar 25 2011
  UC864263  Lotus argophyllus var. argophyllus I. W. Clokey and E. G. Anderson 1935-8-21 6719 Riverside e of Keen Camp P.O. (s Riverside Co.) 1350 Comment
  POM48896  Lotus grandiflorus var. grandiflorus P. A. Munz, I. M. Johnston 1924-7-27 8747 Riverside Dark canyon 1982 Comment
  RSA614598  Lotus heermannii A. C. Sanders, Steve Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UCR111982  Lotus humistratus A. C. Sanders, T. B. Salvato 2000-5-25 23408 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA761994  Lotus nevadensis Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 76 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM12087  Lotus oblongifolius Mary F. Spencer 1921-6-15 1736 Riverside Idyllwild. 1616 Comment
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Jun 17 2012
  UCR202591  Lotus oblongifolius Scott D. White, Justin M. Wood 2008-7-8 12371 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  POM243699  Lotus procumbens var. procumbens E. C. Jaeger 1938-5-14 s.n. Riverside Near Stubbe Springs, Joshua Tree National Mon. 1402 Comment
  UCR159258  Lotus purshianus A. C. Sanders, Kelly Volansky 2005-8-31 31572 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR175695  Lotus purshianus Jennifer H. Jones, Scott D. White 2005-5-25 096 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  CDA27284  Lotus rigidus T. C. Fuller 1963-4-23 10293 Riverside Sac Jacinto Mountains; Highway 47 to Palm Desert just east of Pinyon Flat. 0 Comment
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Sep 4 2011
  UCR237490  Lotus rigidus Duncan S. Bell 2011-3-18 2057 Riverside Mojave Desert, Chuckwalla Mountains, north side of mountain range c. 3 air mi southeast of Desert Center 392 Comment
  RSA652456  Lotus scoparius C. J. Humphrey 1936-6-7 162 Riverside [No locality information] Comment
  UCR192716  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2008-6-10 35448 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UC665832  Lotus scoparius var. brevialatus Ira L. Wiggins 1941-3-27 9699 Riverside 4 mi n Whitewater Comment
  UCR25550  Lotus scoparius var. brevialatus John C. Roos 1941-4-25 163 Riverside Plateau in Reche Canyon Comment
  RSA314451  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55447 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA571312  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8261 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  UCR116862  Lotus strigosus A. C. Sanders, Steven R. Hill 2001-5-4 24135 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
  POM195609  Lupinus Marcus E. Jones 1930-4-2 s.n. Riverside Hayfields Comment
  RSA407024  Lupinus andersonii Christopher Davidson 1978-6-15 7388 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA581752  Lupinus arizonicus Michael Wall, Lorrae Fuentes 1995-4-13 101 Riverside Coachella Valley, east of Desert Hot Springs along dirt road paralleling Dillon road, 16.7 miles east of Hwy 62 where hills are closest to the road. Comment
  RSA792482  Lupinus arizonicus Justin M. Wood, Dustin Ray 2011-4-28 3844 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
  SEINET10488550  Lupinus arizonicus Duane Isely, Wendell H. Bragonier 1960-3-22 Isely 7203 Riverside Roadside, edge of Desert Palms. Comment
  POM350005  Lupinus bicolor Ora M. Clark 1929-2-23 1526 Riverside South of Cabazon Comment
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Mar 13 2011
  RSA502901  Lupinus bicolor 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
  RSA691056  Lupinus bicolor Scott D. White, Michael Honer 2003-4-9 8989 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR241249  Lupinus bicolor T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1209 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA442330  Lupinus bicolor subsp. microphyllus Elizabeth A. White 1928-03 s.n. Riverside Colorado Desert Comment
  GMDRC6567  Lupinus concinnus J. M. Andre 2012-6-15 30523 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  JOTR16692  Lupinus concinnus Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  JEPS65129  Lupinus excubitus var. austromontanus W. L. Jepson 1901-5-19 1312 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley 1676 Comment
  JOTR34274  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA652215  Lupinus excubitus var. austromontanus G. Foster 1961-5-12 122 Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  RSA613448  Lupinus excubitus var. hallii D. L. Banks, Victor W. Steinmann 1997-3-13 1444 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
  SDSU4976  Lupinus formosus Garrison 1962-7-29 Riverside San Jacinto Mountains. 2 miles beyond Black Mountian campground. 2286 Comment
  POM26888  Lupinus formosus var. formosus Marcus E. Jones 1903-5-11 11610 Riverside Banning. 701 Comment
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA559441  Lupinus latifolius subsp. parishii Steve D. Boyd 1992-4-15 6851 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  LA205136  Lupinus latifolius var. parishii C. B. Wolf; 1936-6-17 7954 Riverside Santa Ana Mountains, along Ortega Hwy, San Juan Canyon 2.6 mi. E of Orange County Line 457 Comment
  CAS-BOT-BC202088  Lupinus longifolius B. D. Stark 1931-4-18 1939 Riverside Mouth of Gypsum Canyon, Santa Ana Mts. Comment
  SEINET2062674 Image available Lupinus maculatus Noel H. Holmgren, Vernon Marttala 1971-7-11 5380 Riverside Big Hole Mountains, Tie Canyon, 3.1 miles S of Pine Creek Summit, along road to Rainey Creek, 6 mils SW of Victor. 2194 Comment
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Aug 25 2013
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  RSA414271  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-4-22 1119 Riverside Banning. 701 Comment
  RSA575977  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau. 610 Comment
  RSA414269  Lupinus sparsiflorus var. mohavensis N. C. Cooper 1944-3-25 2013 Riverside Morongo Pass. 457 Comment
  UCR225722  Lupinus succulentus A. C. Sanders 2011-3-30 38905 Riverside Peninsular Range, city of Lake Elsinore, along Hwy 74 just west of El Toro Cutoff 438 Comment
  RSA524455  Lupinus truncatus Steve D. Boyd 1990-4-3 4091 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA614550  Lupinus truncatus A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 19867 Riverside Lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SD137763  Lupinus truncatus Darin L. Banks, Steve Boyd 1995-3-30 122 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 725 Comment
  UC56611  Lupinus truncatus H. M. Hall Apr 1902 2898 Riverside Coahuilla foot-hills , Coahuilla foot-hills (San Jacinto Mountains) 762 Comment
  UCR177177  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  RSA750737  Luzula comosa Scott D. White, Justin M. Wood 2009-5-22 12904 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA775937  Lycium andersonii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 947 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SBBG114131  Lycium andersonii E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  UC1286996  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside about 5 mi ne Aguanga Comment
  UC303699  Lycium andersonii F. M. Reed Dec 1917 11655 Riverside Terquisquita Canyon [Tequesquite Arroyo] Comment
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Aug 14 2010
  POM171285B  Lycium andersonii var. deserticola Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  JOTR36409  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA788559  Lycium cooperi Duncan S. Bell 2012-3-8 3145 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  UCR19114  Lythrum californicum John C. Roos 1946-9-14 3010 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  SEINET269471  Lythrum hyssopifolia Scott D. White, Steve Ogg 1994-10-17 2473 Riverside Temecula Murrieta Creek 1000 ft. west of Winchester Rd. bridge. 310 Comment
  RSA234065  Lythrum hyssopifolia Robert F. Thorne 1969-5-19 37959 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 625 Comment
  UC1949954  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55215 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  POM232417A  Mahonia nevinii Fulmor 1932-02 s.n. Riverside On left side of road from Temecula to Oak Grove, San Diego Co., Calif. (about half a mile east of Dripping Springs). Comment
  UCR125210  Malacothamnus fasciculatus Mitch Provance 1998-5-24 534 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  UCR35115  Malacothamnus fasciculatus L. B. Ziegler 1964-9-1 018 Riverside San Jacinto Mtns., Garner (Hemet) Valley, divide between south fork of San Jacinto River and Palm Canyon, beside Hwy 74. 1494 Comment
  POM98395  Malacothamnus fasciculatus P. A. Munz 1925-5-20 9865 Riverside near Corona 427 Comment
  RSA507966  Malacothrix clevelandii Steve Boyd, Carol Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2284 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA627852  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside Foothills NNE of Beaumont. 950 Comment
  RSA769772  Malacothrix clevelandii Duncan S. Bell, J. D. England 2010-5-17 1005 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  CAS-BOT-BC347688  Malacothrix glabrata LeRoy Abrams 1903-4-6 3213 Riverside Cabazon Comment
  GMDRC9809  Malacothrix glabrata J. M. Andre 2017-3-1 38030 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA475301  Malacothrix glabrata Steve Boyd, Sara Meury, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2109 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA517816  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-13 1433 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UC68990  Malacothrix glabrata H. M. Hall May, 1905 6028 Riverside near Pinto Mts.; Colorado Desert Comment
  RSA94960  Malacothrix stebbinsii F. W. Peirson 1921-3-22 2715 Riverside Murray Canyon, south side in canyon 457 Comment
  SEINET3449033  Malva parviflora Unknown 2001-4-29 33519 Riverside Calimesa, Calimesa, south side of route interstate 10 right of way, 0.2 miles west of Desert lawn Road exit, small drainage culvert at San Timoteo Wash 700 Comment
  RSA0042213  Malva parviflora Margaret Murphy 1983-5-21 0035 -D Riverside Moreno Acres of the unincorporated area known as Sunnymead. North section of parcel 475-090-006, lot 20. Comment
  RSA7198  Mammillaria dioica B. D. Stark 1932-09 7375 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
  SBBG54812  Marah macrocarpa D. Keil, M. McLeod 1979-3-18 12976 Riverside ca. 0.5 mi W of jct with Riverside County rd R-3 along Hwy 79 548 Comment
  UC2015595  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCD107542  Marah macrocarpa Raymond A. Evans 1999-3-10 s.n. Riverside North of Palm Springs, canyon west of White Water Canyon. Comment
  UCR256741  Marah macrocarpa T. B. Salvato, Matthew Malle 2013-4-5 7511 Riverside Perris-Aguanga Basin, Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle 604 Comment
  SBBG53735  Marina parryi C. Epling, H. Lewis 1941-5-2 Riverside Corn Spring, Chuckawalla Mtns Comment
  UCR155308  Marrubium vulgare A. C. Sanders 2005-5-4 29855 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  JOTR30832  Matelea parvifolia Andre, Jim, Tasha La Doux 2008-9-16 10704 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  SDSU18641  Matricaria discoidea C. Matt Guilliams, Jeannine Ross 2008-3-12 527 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  CDA10742  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region; S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. Comment
  RSA445531  Meconella denticulata E. Crow 1929-3-17 201 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR40512  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7 mi west of Rancho California. 366 Comment
  SD240782  Melasphaerula ramosa O. F. Clarke 2006-4-4 Riverside Riverside, UCR Botanical Garden (Riverside East 7.5'Q) 334 Comment
  JOTR34341  Melica frutescens Andre, Jim 2012-4-11 20684 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  CLARK-A1528-5188  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Box Springs Mountains 609 Comment
  JOTR16782  Melica imperfecta Hogan, J. 1975-4-20 207 Riverside Joshua Tree National Park. MIDDLE OF SMITH WATER CANYON 1127 Comment
  POM1202  Melica imperfecta I. M. Johnston 1918-5-30 2011 Riverside Temescal Canyon 365 Comment
  UCR241661  Melica imperfecta T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 341 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR241495  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  SEINET189691 Image available Menodora scabra var. glabrescens Annie M. Alexander, Louise Kellogg 1941-1 2208 Riverside North base of Eagle Mountains 1158 Comment
  JOTR16750  Menodora scoparia Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT, 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  RSA4968  Mentzelia affinis Carl B. Wolf 1932-4-27 3030 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  UCR232398  Mentzelia affinis Dave Silverman, Onkar Singh 2010-3-25 7846 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10 160 Comment
  HSC87136  Mentzelia albicaulis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2113 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR33729  Mentzelia albicaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2729 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  RSA282502  Mentzelia albicaulis J. Zavortink 1966-3-18 2663 Riverside Along route 60, 5.7 miles W of Desert Center. Riverside County Comment
  UCR25032  Mentzelia congesta A. C. Sanders 1980-7-18 1631 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA0014939  Mentzelia dispersa LeRoy Gross, Evan Meyer 2013-5-21 6120 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
  CSUSB969  Mentzelia involucrata Leland R. Dykes 1962-4-1 10 Riverside White Water Canyon Road, 4.5 miles north of US 60 Comment
  RSA682849  Mentzelia involucrata Scott D. White 2003-3-23 8842 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UC1004771  Mentzelia involucrata E. C. Jaeger 1939-12-29 Riverside 5 m e Indio (Eytel Canyon branching from Fargo Canyon) 243 Comment
  RSA162701  Mentzelia micrantha J. D. Olmsted 1959-4-18 426 Riverside Santa Ana Mtn. base. 3 miles N of Elsinore on Hwy 71 in weedy area on East side of road. 335 Comment
  UCR65298  Mentzelia micrantha Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3756 Riverside Vail Lake area, Along road in shallow canyon on SE flank of 'Little' Oak Mtn, west of Kolb Creek drainage, north of Hwy 79 Comment
  UC489021  Mentzelia montana C. V. Meyer 1929-6-13 752 Riverside San Jacinto Mts., Idyllwild Grade 1371 Comment
  UCR30091  Mentzelia obscura George K. Helmkamp 1983-4-5 483- 25 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CAS-BOT-BC435297  Mesembryanthemum nodiflorum Mitch Provance 2005-5-17 6557 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 421 Comment
  LA209009  Micranthes californica John O'Leary; 1975-3-30 337 Riverside San Timoteo Canyon. 0.5 mi E of Treemont [?] 655 Comment
  UC1595606  Microseris douglasii subsp. platycarpha Steve Boyd and Orlando Mistretta 1991-5-22 6293 Riverside e of Dorland Mtn. (w of Kolb Crk, base of Agua Tibia Mtn., Vail Lake area); Vail Lake, Agua Tibia Mtn. 548 Comment
  UCR133667  Microseris lindleyi Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0018774  Mimetanthe pilosa Robert F. Thorne, Walter Wisura 1977-9-17 50779 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  POM8477  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2286 Riverside Butte west of Lakeview. 610 Comment
  RSA38707  Mimulus aurantiacus var. puniceus Percy C. Everett 1945-6-7 11502 Riverside Indian Canyon, along Indian Canyon Truck Trail. 777 Comment
  RSA442707  Mimulus aurantiacus var. puniceus Robert Gustafson 1983-4-18 2500 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UC519885  Mimulus aurantiacus var. puniceus K. Kinsel 1930-4-17 Riverside near Perris Comment
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Nov 8 2011
  UCR101554  Mimulus aurantiacus var. puniceus A. C. Sanders 1997-3-19 20055 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  JEPS9935  Mimulus brevipes W. L. Jepson 1935-4-21 17161 Riverside Wisser Valley Comment
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Apr 7 2009
  UC310840  Mimulus brevipes Philip A. Munz 1925-5-20 9821 Riverside 2 mi w Dripping Spring 426 Comment
  UCR114336  Mimulus brevipes Mitch Provance 2000-5-5 2012 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR133438  Mimulus brevipes Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 207 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR20878  Mimulus breweri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA544416  Mimulus floribundus Steve Boyd, Tim S. Ross 1991-6-14 6384 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
  LA209759  Mimulus fremontii var. fremontii Norman C. Cooper; 1944-5-21 1224 Riverside San Jacinto Mtns., W side 914 Comment
  CLARK-A1045-282  Mimulus guttatus George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains seep along road, half way between North Fork of the San Jacinto River and the summit to the west; Lake Fulmor 7.5'Q Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  UCR110986  Mimulus moschatus George K. Helmkamp 1998-6-27 4129 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  JEPS3996  Mimulus parishii W. L. Jepson 1901-5-22 1402 Riverside near San Jacinto Mt.; Palm Canyon 914 Comment
  RSA788865  Mimulus suksdorfii Gary D. Wallace 2003-7-8 4037 Riverside Hidden Lake. Comment
  CLARK-A1528-3921  Mirabilis bigelovii Lloyd Clark 1965-4-17 Riverside Whitewater Canyon 609 Comment
  GMDRC2044  Mirabilis bigelovii var. retrorsa J. Andre 2006-4-26 6761 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA736160  Mirabilis laevis Rosemarie Zimmermann 1961-3-21 24 Riverside Mockingbird Canyon, 1/2 miles S of Mockingbird Road, 5 miles E of Arlington, alt 1400ft. Gavilan Hill (5miles to N), Lake Mathews Drainage 427 Comment
  UCR264233  Mirabilis laevis A. C. Sanders, Jim Malusa 2015-9-10 41860 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  RSA0027994  Mirabilis laevis var. crassifolia 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
  SD143816  Mirabilis laevis var. crassifolia A. C. Sanders, G. Waines, et al. 1997-3-12 19886 Riverside Lake Skinner area; lower Rawson Canyon, northeast of the lake and southwest of Black Mountain. 518 Comment
  RSA464250  Mirabilis laevis var. crassifolia Anstruther Davidson 1927-05 s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC434832  Mirabilis laevis var. retrorsa Joy Keck 1935-4-15 3841 Riverside Lower Morongo Canyon Comment
  RSA314622  Mirabilis laevis var. retrorsa Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55411 Riverside San Bernardino Mountains; Mouth of Whitewater canyon, east of Whitewater Post Office at south end of ridge, in sandy wash east of bridge, and on base of west-facing slope of ridge. 412 Comment
  RSA79159  Mirabilis laevis var. retrorsa P. A. Munz 1952-5-2 16245 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC851739  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs Comment
  UCR245899  Mirabilis laevis var. retrorsa R. F. Thorne 1995-3-29 63007 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  POM261346  Mohavea confertiflora Philip A. Munz 1940-3-23 15673 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  RSA774304  Mohavea confertiflora Duncan S. Bell 2011-4-8 2197 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UC196564  Mohavea confertiflora Joseph Grinnell 1910-3-17 Riverside Riverside Mountain, Colorado River Colorado River; Riverside Mountain, Colorado River Comment
  UCR167464  Mohavea confertiflora John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  JEPS63421  Monardella australis subsp. australis Carl V. Meyer 1928-7-26 548 Riverside between Deer Springs and San Jacinto Peak 2895 Comment
  RSA518903  Monardella lanceolata B. Pitzer 1988-7-1 1483 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  RSA750411  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 60 Riverside Road to Santa Rosa Mt. 1.5 miles above Pines to Palms Highway. Comment
  SEINET10895197  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 39 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
  SEINET10961482  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 46 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  CLARK-A1528-414  Monolepis nuttalliana Oscar F. Clarke 1970-9-24 Riverside Riverside Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  SBBG1816  Monolepis nuttalliana H. and M. Dearing 1939-4-5 3093 Riverside Hemet Valley Comment
  CAS-BOT-BC349801  Monoptilon bellioides Mrs. Jos. Clemens 1922-4-10 s.n. Riverside Mecca Comment
  SBBG8633  Monoptilon bellioides T. L. Secrest 1948-4-7 Riverside ca. 18 mi N of Indio 304 Comment
  UC831339  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs Comment
  UCR147839  Monoptilon bellioides Steve Boyd, Et al. 2004-5-14 11285 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR241713  Monoptilon bellioides Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 41 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA94162B  Monoptilon bellioides F. W. Peirson 1928-4-24 7899 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  SEINET10941521  Monoptilon bellioides David B. Dunn 1948-2-21 Dunn 3685 Riverside On top of hill to north. Pushawalla. A rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  POM10484  Mucronea californica Charlotte M. Wilder 1904-3-15 202 Riverside Wilders Canyon Comment
  CAS-BOT-BC267023  Muhlenbergia filiformis F. M. Reed 1908-7-12 2444 Riverside San Jacinto Mountains. Margin of Lake Surprise Comment
  SBBG59549  Muhlenbergia filiformis R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  CAS-BOT-BC275299  Muhlenbergia microsperma Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM48398  Muhlenbergia rigens P. A. Munz, I. M. Johnston 1924-7-28 8814 Riverside Pine Flats 1738 Comment
  RSA680487  Muilla maritima Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9593 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  SEINET8043946 Image available Myriopteris clevelandii Joseph Cahill 2011-1 111 -06 Riverside Peninsular Range; Santa Mtns: Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74. 590 Comment
  SBBG271  Myriopteris parryi H. and M. Dearing 1941-12-21 4345 Riverside Cathedral Cyn 152 Comment
  UCR119340  Nama demissa B. G. Pitzer 2000-5-7 4127 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA78477  Nama demissa var. deserti Verne Grant, Alva Grant 1952-3-20 17507 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  RSA27045  Nama hispida var. spathulata C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin. Comment
  UCR110373  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 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
  RSA700860  Nassella cernua Michael Wall 1996-5-8 148 Riverside Van Buren Blvd west of March Air Force Base, 1.5 mi west of Fwy 215, north side of road south side of Salix-filled seasonal drainage. Comment
  RSA484139  Nassella pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 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
  RSA681894  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-17 9554 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  RSA556462  Navarretia fossalis Julie Greene 1993-4-30 1246 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
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Aug 2 2016
  UCR114959  Navarretia fossalis Fred M. Roberts 1992-4-25 4871 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR92163  Nemacladus longiflorus var. longiflorus D. L. Banks, Steve Boyd 1995-5-3 222 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SEINET10461023  Nemacladus pinnatifidus Piehl 1963-6-2 PIEHL 63547 Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  RSA0112640  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  SEINET2068201  Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mouintains, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River valley. (Near 33d 45' N, 116d 51' W.) 670 Comment
  SJSU1899  Nemacladus rubescens J. W. Tilden 1957-4-18 1104 Riverside near Whitewater, east of San Gorgonio Pass Comment
  UCR18415  Nemacladus sigmoideus A. C. Sanders 1978-4-30 00254 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  JOTR36432  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3404 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA736311  Nemophila menziesii Scott D. White, Justin M. Wood 2008-3-25 11783 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UC489037  Nemophila menziesii C. V. Meyer Jun 1927 185 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1676 Comment
  UCR111549  Nicotiana acuminata var. multiflora Mitch Provance 1999-5-4 1703 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC303680  Nicotiana attenuata S. B. Parish 1900-1 4435 Riverside Strawberry Valley; San Jacinto Mts. Comment
  RSA0037063  Nicotiana glauca Viki Cruz 1983-5-8 016 Riverside Near the stream one-quarter mile into Magnesha Canyon, Santa Rosa Mts. Comment
  UC495142  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UCR202032  Nicotiana obtusifolia Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  SBBG21993  Nolina parryi P. H. Raven 1959-5-18 14246 Riverside 0.9 mi S of Mountain Center on road to Aguanga Comment
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Jun 9 2012
  CAS-BOT-BC71160  Notholaena californica P. A. Munz; I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  SD80144  Notholaena californica subsp. leucophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 357 Riverside Andreas Canyon, east slope of San Jacinto Mts, ca. 50 yards downstream from the big pool Comment
  RSA146287  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1303 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  CSUSB211  Oenothera deltoides Elliott Helm 1975-5-23 Riverside Colorado Desert 3 miles north of 29 Palms, off highway 177, Colorado Desert. 304 Comment
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Dec 4 2014
  SD247470  Oenothera deltoides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7302 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  SEINET7259072 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 8262 Riverside Chuckawalla Valley sand dunes, east of the Chuckawalla Mountains 122 Comment
  OBI27787  Olneya tesota David J. Keil 1980-6-20 14066 Riverside box Cyn rd exit from I-10 488 Comment
  UC194829  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Shafer's Well; Colorado Desert Comment
  UC774558  Olneya tesota Carl B. Wolf 1940-7-16 Riverside 10 mi e Desert Center (on road to Rice); Colorado Desert 243 Comment
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Sep 24 2011
  UCR234325  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-4-6 40005 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  RSA500567  Opuntia basilaris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3852 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  UCR177990  Opuntia littoralis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  UCR41502  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Santa Ana Mtns, Mesa de Colorado, 5 air mi. SW of Murrieta. 610 Comment
  POM274148  Opuntia phaeacantha Lyman Benson 1933-3-31 4146 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA516889  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1402 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
  RSA734945  Orobanche cooperi W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  UCR35209  Orobanche fasciculata L. B. Ziegler 1968-5-22 299 Riverside San Jacinto Mtns, Hemet Valley in the lower side canyons 1402 Comment
  RSA0081028  Orobanche fasciculata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2150 Riverside Santa Rosa Mountains. Comment
  RSA402101  Orthocarpus purpurascens Bonnie C. Templeton 1931-4-9 s.n. Riverside At base of Moreno Grade. Comment
  RSA608372  Orthocarpus purpurascens Leota Brice 1930-4-13 s.n. Riverside Hemet Comment
  UC1520011  Osmadenia tenella Robert Gustafson, Gary Wallace 1983-6-23 2721 Riverside ca 2 1/2 mi from its junction with Hwy. 15 Clinton Keith Road; Santa Ana Mts. Comment
  SD136935  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Verdugo Trail from Tenaja Trail to Bluewater Trail, upper Bluewater Cyn., S of Sitton Peak Comment
  RSA64893  Oxytheca caryophylloides F. W. Peirson 1924-7-29 5019 Riverside 1 miles west of Fullers Mill on Banning to Idyllwild Road, San Jacinto Mts. 1768 Comment
  UCR165195  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Highway 243, turnoff to Black Mtn. Road, c. 2 mi SE of Lake Fulmor 1643 Comment
  POM157924  Oxytheca trilobata P. A. Munz 1927-5-21 10847 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  RSA291611  Paeonia californica C. W. Tilforth, Walter Wisura 1979-4-11 1770 Riverside East end of Murrieta-DeLuz Rd, south of Murrieta. 335 Comment
  CAS-BOT-BC327931  Palafoxia arida Peter H. Raven 1958-1-23 11412 Riverside 2.7 miles W of Whitewater Post Office Comment
  RSA792930  Palafoxia arida Aaron C. Sedgwick, Cody Leslie 2012-9-20 119 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  UCR20845  Palafoxia arida A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1309 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  POM363751  Palafoxia arida var. arida Elbert Benjamine 1929-4-7 151 Riverside Palm Springs. Comment
  RSA0043062  Palafoxia arida var. arida Jim Andre 2014-1-27 26663 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  UC1551913  Palafoxia arida var. arida David Charlton 1988-2-18 1123 Riverside Fargo Canyon Road 1 mi e jct Dillon Rd. (to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10); S side of Little San Bernardino Mtns. 609 Comment
  UC1929469  Panicum acuminatum var. acuminatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR2623  Panicum capillare F. M. Reed 1906-7-10 1137 Riverside Riverside, Chicago Ave. south of 8th St. (University Ave.) 293 Comment
  UCR82985  Panicum capillare A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15810 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET191850 Image available Pappostipa speciosa C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi NW of Elsinore Comment
  UCR234331  Parietaria hespera A. C. Sanders, John F. Green 2012-4-6 40010 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR67370  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3965 B Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  UCR263645  Parkinsonia florida Aaron C. Sedgwick, Brett Griffin 2012-3-28 028 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCR87648  Parkinsonia florida A. C. Sanders 1994-6-1 14621 Riverside Sonoran (Colorado) Desert, Box Canyon in the Mecca Hills, c. 4.5 mi below Shaver's Well, 12 mi southwest of the Box Canyon Road intersection with Hwy I-10 150 Comment
  RSA778525  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 631 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  SEINET10799089  Pectis papposa Billy Joe Cox 1975-10-10 Cox 4209 Riverside Palo Verde, 1-3 km W, (ca. 32 km S of Blythe). Riverside-Imperial counties. 70 Comment
  JEPS15395  Pectis papposa var. papposa Joseph and Hilda Grinnell 1937-11-30 1084 a Riverside 24 mi w Blythe; bed of Ford Dry Lake 106 Comment
  UC170154  Pectis papposa var. papposa E. E. Schellenger 1894-8-1 80 Riverside near Schellinger's Ranch (Colorado Desert); Colorado Desert Comment
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Jun 18 2011
  POM368802  Pectocarya heterocarpa M. B. Dunkle 1937-3-25 4933 Riverside Colorado Desert. Shaver s Well Comment
  RSA775949  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 939 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SEINET3004966  Pectocarya heterocarpa G. Rink 2011-3-23 10390 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  UCD80955  Pectocarya heterocarpa Chuck Hughes 2009-3-23 60 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR134605  Pectocarya heterocarpa Marisa Sripracha, Kyle Boyd 2004-2-14 028 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR279371  Pectocarya heterocarpa A. C. Sanders, Jim Malusa 2017-3-24 42959 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  PASA1955  Pectocarya penicillata 1928-3-3 Riverside near Whitewater - Col. desert Comment
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Jun 24 2016
  POM368785  Pectocarya penicillata E. Crow 1929-4-21 336 Riverside North of Alberhill Comment
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Sep 29 2011
  RSA781654  Pectocarya platycarpa Duncan S. Bell 2009-3-8 75 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  UCR267887  Pectocarya platycarpa Jim Andre 2013-3-4 23867 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UC1287156  Pectocarya recurvata C. L. Hitchcock 1966-3-16 24180 Riverside 1/4 mi w Aguanga Comment
  UCR139715  Pectocarya recurvata B. G. Pitzer 1989-4-16 1306 A Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR279560  Pectocarya recurvata A. C. Sanders, Jim Malusa 2017-3-29 43178 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
  IRVC19343  Pellaea andromedifolia R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  UCR145568  Pellaea andromedifolia Robert Whittaker, W. A. Niering 1963-5-28 SJ- 37 Riverside San Jacinto Mountains, Mountain Center to Hemet Hwy 976 Comment
  UCR84214  Pellaea andromedifolia A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15906 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  IRVC3147  Pellaea mucronata R. H. Whittaker, W. A. Niering 1963-6-1 SJ 109 Riverside Santa Rosa Mtns; road opposite Pinyon Flats Canyon. Peninsular Ranges 1280 Comment
  RSA180373  Pellaea mucronata var. mucronata E. W. Lathrop 1960-6-7 4861 Riverside 14 miles W of Murrieta Comment
  RSA33822  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  UCR83331  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  RSA683090  Penstemon centranthifolius Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8662 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR24781  Penstemon centranthifolius W. W. Mayhew 1981-5-21 s.n. Riverside San Jacinto Mtns., Garner Valley. 0.5 mi east of Lake Hemet on Thomas Mtn. Road. 1341 Comment
  LA209529  Penstemon clevelandii Elizabeth Levien; 1949-5-22 sn Riverside Santa Rosa Mountains, Pines to Palms highway near Pinon Flats Comment
  CLARK-A1528-4300  Penstemon clevelandii subsp. mohavensis John C. Roos 1942-5-2 1145 a Riverside Joshua Tree National Park Comment
  RSA0014870  Penstemon clevelandii var. connatus N. R. Zabriskie, W. M. Zabriskie 1971-4-9 369 Riverside Deep Canyon south of Hwy 74. c. 2 mi. up water service road below crossing, north slope Santa Rosa Mts. 1311 Comment
  JOTR32967  Penstemon clevelandii var. mohavensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2718 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC27467  Penstemon labrosus H. M. Hall 1898-7-2 969 Riverside San Jacinto Mountains San Jacinto Mountains (Southern California) Comment
  RSA0014860  Penstemon rostriflorus N. C. Cooper 1949-6-29 4279 Riverside Palms to Pines Highway. 1220 Comment
  POM50429  Penstemon spectabilis J. D. Abrams 1900-5-20 s.n. Riverside Elsinore. Comment
  RSA221075  Penstemon spectabilis E. W. Lathrop 1966-5-8 6401 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA575820  Penstemon spectabilis Steve D. Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  CAS-BOT-BC77485  Peritoma arborea var. angustata F. H. Billings 1926-2-6 18 Riverside Desert near Palm Springs Comment
  JOTR35388  Peritoma arborea var. angustata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 176 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  CAS-BOT-BC77529  Peritoma arborea var. arborea J. H. Thomas 1949-2-28 47 Riverside Between Banning & Palm Springs Comment
  CAS-BOT-BC355978  Perityle emoryi H. M. Hall 1902-4-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  CAS-BOT-BC355984  Perityle emoryi Ira L. Wiggins 1941-3-27 9675 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  JEPS24878  Perityle emoryi Peter M. Ray 1949-3-6 1321 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  POM7074  Perityle emoryi P. A. Munz 1919-5-7 2779 Riverside Tahquitz Canyon 244 Comment
  RSA709895  Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CAS-BOT-BC167765  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon 243 Comment
  RSA296136  Petalonyx thurberi Barry A. Prigge 1980-8-5 3878 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  UCR147738  Petalonyx thurberi Steve Boyd, Et al. 2004-5-14 11257 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
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Mar 19 2016
  CLARK-A1528-1203  Petunia parviflora John C. Roos 1937-6-7 514 Riverside Comment
  RSA554083  Petunia parviflora Megan Phillips 1992-4-10 92 -1 Riverside Growing in a wet pasture on the west side of the city of San Jacinto. Comment
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Apr 26 2007
  CAS-BOT-BC326736  Peucephyllum schottii F. O. Ballou 1926-2-27 s.n. Riverside Painted Canyon Comment
  JOTR32427  Peucephyllum schottii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2216 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  POM294264  Peucephyllum schottii Lyman Benson 1945-3-29 11625 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  POM7724  Phacelia ambigua P. A. Munz, R. D. Harwood 1920-4-3 3576 Riverside 30 miles west of Blythe. 366 Comment
  RSA425997  Phacelia ambigua M. B. Dunkle 1937-3-25 4913 Riverside Southeast of Indio. Comment
  RSA426002  Phacelia ambigua M. B. Dunkle 1932-3-25 2914 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA657245  Phacelia ambigua J. Mark Porter 2001-4-2 12344 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  RSA346268  Phacelia campanularia Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54038 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  SBBG11796  Phacelia campanularia H. and M. Dearing 1937-4-10 2866 Riverside W of Indio Comment
  UCR116811  Phacelia campanularia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23941 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  HSC13693  Phacelia campanularia subsp. campanularia J. J. Wagoner 1965-4-12 28 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon Comment
  UCR162839  Phacelia cicutaria var. hispida 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
  UCR241819  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SFV5008  Phacelia crenulata var. ambigua F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  UC1069302  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6435 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  UCR102953  Phacelia crenulata var. ambigua George K. Helmkamp 1998-4-4 3152 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UC667340  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1941-4-27 2098 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Cos.) 1310 Comment
  JOTR31174  Phacelia distans La Doux, Tasha 2009-6-3 1867 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  RSA426210B  Phacelia distans P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  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
  UC1922055  Phacelia distans Scott D. White, Angelia Carey 2004-4-5 10016 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR117095  Phacelia distans A. C. Sanders, T. B. Salvato 2001-5-16 24291 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
  SEINET7048176  Phacelia distans Steven R. Hill 2001-5-3 33682 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
  UCSB54159  Phacelia fremontii McKinley, Gale 1985-3-27 Riverside 1/2 mile west of Ryan campground in Joshua Tree National Monument 1280 Comment
  UC672723  Phacelia lemmonii Harlan Lewis 1942-6-17 1711 Riverside approx. 2 mi w Pinon Flats Comment
  POM12034  Phacelia minor Mary F. Spencer 1921-6-16 795 Riverside Near Idyllwild, San Jacinto Mountains 1616 Comment
  RSA607004  Phacelia minor Leota Brice 1930-4-13 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCSB5420  Phacelia minor Mazzia, Linda 1960-5-15 Riverside 2.2 miles south of Highway 70 and 99 on road from Banning to Idyllwild on north side of San Jacinto Mountains 914 Comment
  RSA0106603  Phacelia minor C. P. Cowan 1978-4-25 1281 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  RSA0042826  Phacelia pedicellata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6252 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR18438  Phacelia pedicellata J. Olmstead 1966-4-8 s.n. Riverside Santa Rosa Mtns., Deep Canyon Reserve, Pipestrelle Canyon, near Boyd Center. 366 Comment
  VVC280  Phacelia ramosissima var. suffrutescens P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  CLARK-A1656-680  Phacelia tanacetifolia Milton Walker 1978-3-3 Riverside La Quinta 30 Comment
  UCR20521  Phacelia viscida H. A. Zuill 1966-6-5 197 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  SD140218  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the new San Diego Aqueduct and Warren, vernally wet depressions 456 Comment
  UCR126386  Phalaris lemmonii A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 696 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA0120627  Phoenix canariensis Duncan S. Bell, Thomas Stoughton 2016-3-16 8941 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  SEINET10780805  Pholisma arenarium George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-10 Yatskievych 11 -13 Riverside Ca. 6 mi NW of junction with State Highway 371 (in Anza) along Bautista Road, San Bernadino National Forest; sandy bench in drainage of Bautista Creek. 1100 Comment
  UC1490303  Pholistoma membranaceum Rolf Y. Berg 1980-2-4 Riverside ca. 2.5 mmi. from mouth Whitewater Canyon Comment
  UCR41366  Pholistoma membranaceum N. M. Fellows 1985-3-3 87 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  HSC15912  Phoradendron californicum L. S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  LA209834  Phoradendron californicum A. M. Johnson; 1932-3-20 3905 Riverside Indian Wells, below Palm Springs Comment
  RSA296149  Phoradendron californicum Barry A. Prigge 1980-8-19 3995 Riverside Whitewater Canyon: 1.0 mi. uostream from trout farm. 747 Comment
  SD260308  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 694 Comment
  SFV17321  Phoradendron californicum J. N. Hogue, J. D. Dilley 1998-4-23 108 .4 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC1550227  Phoradendron californicum Dennis Kucera 1987-11-14 Riverside e. Banning (off Fields Rd., Malki Museum garden, Morongo Indian Reservation); Morongo Indian Reservation, Malki Museum garden 609 Comment
  UCSB1314  Phoradendron californicum Graney, Don 1953-3-22 Riverside Morango Canyon, Colorado Desert Comment
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May 15 2016
  RSA420753  Phoradendron densum E. Crow 1928-11-12 46 Riverside Morongo Valley, Colorado Desert. Comment
  UCR91925  Phoradendron densum George K. Helmkamp, E. A. Helmkamp 1995-11-16 6- 01 Riverside San Jacinto Mtns., Pinyon Pines Camp beside Hwy 74 1235 Comment
  CAS-BOT-BC135178  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC135184  Phoradendron juniperinum S. B. Parish; W. F. Parish 1881-1-1 970 Riverside San Jacinto Mt. Comment
  RSA356997  Phoradendron libocedri Robert F. Thorne, Percy C. Everett 1966-10-18 41856 Riverside Santa Rosa Mountains. Comment
  RSA698148  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  CLARK-A1528-612  Phoradendron tomentosum subsp. macrophyllum C. M. Flanagan 1973-4-26 OO 314 Riverside Morongo Indian Reservation 914 Comment
  UCR96262  Phoradendron villosum Scott D. White 1996-8-1 4444 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA289859  Phragmites australis B. A. Prigge 1980-12-15 4118 Riverside Whitewater Marsh: 4 miles S of Mecca -70 Comment
  RSA644212  Physalis crassifolia Victor W. Steinmann 1999-10-26 1414 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UC2015532  Physalis crassifolia A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15989 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR88301  Physalis crassifolia A. C. Sanders, K. C. Rose 1995-4-5 16364 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCSB16567  Physalis crassifolia Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  RSA559325  Physalis philadelphica Steve D. Boyd, Tim S. Ross, D. Bramlet 1993-5-13 7362 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  RSA206502  Pilularia americana E. W. Lathrop 1969-5-12 7034 Riverside 6 mi W of Murrieta, Mesa de Colorado of the Santa Rosa Plateau 625 Comment
  RSA263726  Pinus attenuata E. W. Lathrop 1976-11-1 7601 Riverside Main Divide Truck Trail, Pleasant Peak north slope. Comment
  SEINET2149953  Pinus californiarum S. Langer 1999-1 s.n. Riverside from edge of dirt road off Highway 371, Santa Rosa Mountains. Comment
  SEINET7048006  Pinus jeffreyi Steven R. Hill, Kate Kramer and family 2001-4-26 33473 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  SEINET11610609  Pinus lambertiana D. A. Charlet, Dene Charlet 2010-5-7 3353 Riverside San Bernardino Mountains, San Jacinto Mountain 2609 Comment
  CDA541  Pinus monophylla L. D. Merrill 1999-8-27 s.n. Riverside Santa Rosa Mtns., Cactus Springs trailhead. 0 Comment
  SD227711  Pistacia atlantica A. C. Sanders, G. Helmkamp 1997-3-15 20004 Riverside Peninsular Range: Lake Skinner, cultivated at the Multiple Slpecies Reserve Headquarters, east of the lake. 473 Comment
  CLARK-A1528-36  Pityrogramma triangularis E. Kozloff 1939-9-12 Riverside Riverside Comment
  UCR88436  Pityrogramma triangularis A. C. Sanders, K. C. Rose 1995-4-5 16347 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR107706  Pityrogramma triangularis var. triangularis A. C. Sanders 1997-3-1 19735 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA0088540  Plagiobothrys arizonicus Giovanni Rodriguez 2016-4-2 17 Riverside Santa Ana mountains, Santa Rosa Plateau (vernal pool trail head). 624 Comment
  UCR67336  Plagiobothrys arizonicus S. J. Myers 1991-4-15 91- 8 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  RSA0039456  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40731 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR171979  Plagiobothrys canescens 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
  RSA709639  Plagiobothrys collinus A. C. Sanders 2004-4-2 27440 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA746813  Plagiobothrys collinus Michael Honer 2003-4-16 1831 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 640 Comment
  UC718552  Plagiobothrys collinus Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCR135841  Plagiobothrys collinus A. C. Sanders 2004-4-20 27537 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA0057864  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 Riverside Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 311 Comment
  RSA715763  Plagiobothrys collinus var. fulvescens A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  RSA0106760  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2009-3-29 141 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  POM368988  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside near Perris Comment
  RSA689450  Plagiobothrys leptocladus Scott D. White, Michael Honer 2003-4-9 8970 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  UCR140451  Plagiobothrys leptocladus A. C. Sanders, Guy Bruyea 2004-4-2 27419 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  HSC46429  Plagiobothrys undulatus Christopher Davidson 1977-5-25 5641 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA621634  Plagiobothrys undulatus R. E. Riefner 1998-5-15 98 -303 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  RSA524609  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3932 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UC1536775  Plantago erecta G. H. True 1935-3-13 89 Riverside Mockingbird Canyon 457 Comment
  UCR228847  Plantago erecta A. C. Sanders, Nathan Moorhatch 2011-3-22 38790 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR217800  Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  RSA402035  Plantago ovata var. fastigiata M. B. Dunkle 1932-3-25 2902 Riverside Near Cathedral Canyon 152 Comment
  RSA550270  Plantago ovata var. fastigiata Walter Wisura, J. Dolan, M. Wall 1992-3-24 4626 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  JEPS83148  Plantago patagonica R. P. Allen 1935-3-25 266 Riverside Pinto Basin Comment
  RSA711031  Plantago patagonica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16240 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC1929304  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass; Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. Comment
  UCR24221  Platanus racemosa John C. Roos 1938-3-20 725 Riverside Peninsular Range, Glen Ivy Spring, Temescal Valley Comment
  CSUSB1240  Platystemon californicus Shirley Ward 1957-4-3 Riverside Found atop Box Springs Mountain, Rabbit Ears Pass. Comment
  UCR177176  Platystemon californicus Scott D. White, Michael Honer 2003-4-25 9117 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  POM8116  Pleuraphis rigida Mary F. Spencer 1920-3-27 1533 Riverside Palm Springs Comment
  RSA757727  Pleuraphis rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4356 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SBBG57095  Pleuraphis rigida M. N. Ackley -Feb-1926 1 Riverside near Edom 64 Comment
  CLARK-A1045-141  Pleurocoronis pluriseta George K. Helmkamp 1977-3-20 Riverside Deep Canyon rocky wall; Palm Desert 15'Q Comment
  UC86378  Pleurocoronis pluriseta C. R. Orcutt 1880-1 Riverside Colorado Desert Comment
  UCD134964  Pleurocoronis pluriseta C. L. Hitchcock 1966-3-21 24339 Riverside at summit of pass through Sheep Hole Mts., about 40 miles south of Amboy. Comment
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Mar 1 2014
  SEINET5568640  Pluchea sericea H. S. Gentry 1954-1 14248 Riverside Aguanga. Comment
  SFV4076  Pluchea sericea F. D. Adair 1959-6-9 s. n. Riverside Palm Springs Wildlife Sanctuary. Comment
  UC35678  Pluchea sericea H. M. Hall 1901-6-1 Riverside near Palm Canyon Comment
  UCR250872  Pluchea sericea S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1.2 mi. SE of Mecca at intersection of 68th St. and Johnson Ave. -60 Comment
  RSA784228  Poa J. D. Olmsted 1962-5-2 442 Riverside By saddle just N of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  SD156727  Poa bulbosa Unknown 1940-4-30 Riverside Temecula Comment
  CAS-BOT-BC254572  Poa fendleriana subsp. longiligula Ralph Hoffmann 1929-9-6 s.n. Riverside Mount San Jacinto 2590 Comment
  UCR169398  Poa pratensis T. B. Salvato, John F. Green 2004-5-27 608 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA262071  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  RSA91516  Poa secunda F. W. Peirson 1933-4-15 1055 Riverside Whitewater Canyon, 4 miles above bridge of Hwy from Banning to Indio, 701 Comment
  HSC83031  Poa secunda subsp. secunda N. M. Fellows 1985-3-3 96 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  RSA180378  Polygala cornuta var. fishiae E. W. Lathrop 1960-6-7 4890 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 28 2011
  RSA466297  Polygonum bistortoides Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
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Nov 29 2010
  UC6666  Polygonum bistortoides H. M. Hall 1897-7-22 726 Riverside Tauquitz bogs San Jacinto Mountains 2438 Comment
  POM248407  Polygonum fusiforme Philip Crow 1939-7-12 s.n. Riverside Blythe. Comment
  RSA522722  Polygonum lapathifolium Steve Boyd, Tim S. Ross 1989-8-28 3813 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  POM153401  Polygonum punctatum P. A. Munz, I. M. Johnston 1928-9-12 11300 Riverside 3 miles north of Temecula. Warm Springs Creek Comment
  SBBG55018  Polypodium californicum D. Keil, M. McLeod 1977-3-26 12005 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  POM180176  Polypodium hesperium E. L. Peterson 1931-9-8 s.n. Riverside Tahquitz Creek below Tahquitz Valley, San Jacinto Mountains 2286 Comment
  POM48373  Polypodium hesperium P. A. Munz, I. M. Johnston 1924-7-27 8778 Riverside North side of rocks, Dark Canyon, San Jacinto Mountains 2194 Comment
  IRVC160  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  CAS-BOT-BC102598  Populus fremontii L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  UCR237693  Populus fremontii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4589 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  SD229277  Populus fremontii subsp. fremontii Dick Schwenkmeyer 2012-11-6 879 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA0036066  Populus fremontii var. macdougalii C. B. Wolf 1931-3-13 1882 Riverside Colorado River bottom at Blythe Bridge. 152 Comment
  RSA717463  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UC1929601  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UCR54039  Portulaca oleracea A. C. Sanders 1988-11-6 8738 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA450979  Portulaca oleracea Stephen M. Beckstrom-Sternberg 1985-9-10 1027 Riverside U.C.R. garden plots. Comment
  RSA356637  Potamogeton foliosus Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. L. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau: Ranch California near Jct of road to Santa Rosa Ranch from Tenaja Road, in shallow water of large pool in intermittent stream 549 Comment
  RSA769818  Potamogeton foliosus E. W. Lathrop 1969-6-5 7096 Riverside 6 miles west of Murrieta, Mesa de Colorado of Santa Rosa Plateau. 625 Comment
  UCR279369  Prosopis glandulosa subsp. torreyana A. C. Sanders, Jim Malusa 2017-3-24 42972 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 723 Comment
  RSA453232  Prunus fasciculata Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  UCR19424  Prunus fasciculata Harlan Lewis, Carl Epling 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring, ['Providence Mtns.' NOTE: The locality data on this specimen is certainly partially incorrect: likely from Cottonwood Spring at the S entrance of Joshua Tree National Park, Riverside Co. The collectors were at Corn Spring, Chuckwalla Mtns on the same date, some of the species collected at Cottonwood Spring are very unlikely to have come from the Providence Mtns: Condaliopsis lycioides & Tetracoccus hallii in particular. Det. by A.C. Sanders, Dec. 1986] Comment
  CAS-BOT-BC151122  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road, Andreas Canyon near Palm Springs 609 Comment
  POM1825  Prunus fremontii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 305 Comment
  CAS-BOT-BC154439  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area where Alberhill Creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan HIlls Comment
  RSA726519  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SD9078  Pseudognaphalium californicum Daniel Cleveland 1881-5-10 Riverside Temecula Comment
  UC1118482  Pseudognaphalium californicum A. Lewis 1934-3-1 316 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle, Tin Mine Canyo 609 Comment
  SEINET10669298  Pseudognaphalium canescens subsp. microcephalum Nye Leith, Greg Gust 2005-3-11 Nye 69 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  SD136918  Pseudognaphalium leucocephalum Steve Boyd 1994-10-14 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area of the Cleveland National Forest. 305 Comment
  SDSU13327  Pseudognaphalium microcephalum Ryan Jacobson, Jeremy Mass 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. About 1.5 miles from south-side facilities. 177 Comment
  SDSU13559  Pseudognaphalium microcephalum W. Miller with C. Mosse 1972-8-9 Riverside Bank of road leading to top of plateau above river, north of. Comment
  RSA1136  Pseudotsuga macrocarpa J. T. Howell 1928-7-8 1054 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  RSA545294  Psilocarphus brevissimus R. F. Thorne 1973-5-23 43843 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA563910  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UCR277522  Psilocarphus brevissimus var. brevissimus Mitch Provance 2011-6-28 17203 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  RSA581690  Psilocarphus tenellus var. globiferus B. Leatherman 1995-5-4 s.n. Riverside Base of low hills south of Winchester in roadside ditch along west side of Highway 79, about 1/4 mile north of intersection with Newport Road 463 Comment
  UCR18158  Psoralea californica A. C. Sanders 1978-4-30 00362 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  CAS-BOT-BC353593  Psorothamnus arborescens var. simplicifolius A. Davidson 1892-5-1 s.n. Riverside Banning Comment
  UC56448  Psorothamnus arborescens var. simplicifolius H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1832 Riverside near Palm Canyon 609 Comment
  UC667246  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-12 2156 Riverside 5.5 mi NE of Cottonwood Spring; Eagle Mountains, Colorado Desert 868 Comment
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Feb 4 2013
  UC729667  Psorothamnus arborescens var. simplicifolius Carl B. Wolf 1932-5-25 3680 Riverside 1 mi below, n base of San Jacinto Mts. Fish Hatchery; n base San Jacinto Mts., Snow Creek Canyon 396 Comment
  SBBG29404  Psorothamnus emoryi D. Myrick 1968-3-2 1794 Riverside Desert Hot Springs 304 Comment
  SD21513  Psorothamnus emoryi var. emoryi Frank F. Gander 1938-5-21 5756 Riverside Salton Comment
  CAS-BOT-BC340833  Psorothamnus polydenius J. Cole 1942-5-19 965 Riverside Road to Ruby Lee Mine, 2 miles west of junction with road from Pinto Basin to Twentynine Palms, Joshua Tree National Monument 914 Comment
  CHSC848  Psorothamnus schottii M. Anthony 1954-4-15 Riverside Near Coachella. Comment
  JEPS41664  Psorothamnus schottii M. Clary 1929-10-1 12 Riverside Coral Reef Canyon , Coral Reef Canyon (Santa Rosa Mts.) 0 Comment
  POM306772  Psorothamnus schottii Henry J. Ramsey, Henry J. Ramsey 1939-11-28 1625 Riverside 10 miles east of Indio. Comment
  RSA0042833  Psorothamnus schottii Duncan S. Bell, LeRoy Gross 2014-3-13 6245 Riverside Orocopia Mountains; southern section of range; approximately 1.9 air miles west northwest of Clemens Well. 285 Comment
  RSA404252  Psorothamnus schottii M. B. Dunkle 1933-3-4 3041 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA4874  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  SBBG22977  Psorothamnus schottii D. Myrick 1965-3-3 1081 Riverside White Tank Public Camp, Joshua Tree Nat Monument 762 Comment
  SBBG3320  Psorothamnus schottii H. and M. Dearing 1936-12-25 790 Riverside Thousand Palms Cyn Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UC534841  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 243 Comment
  UCSB3066  Psorothamnus spinosus Haller, John 1950-5-21 Riverside Coachella Valley, 2 miles up Palms to Pines Highway, near base of mountains Comment
  SEINET951737  Pteridaceae G. Yatskievych, K. G. Preston, Mafham 1981-1 81 -134 Riverside California Highway 79, about 3 miles south of Banning in ravine 762 Comment
  UC218673  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  CAS-BOT-BC421258  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  POM121971  Pterostegia drymarioides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA678446  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR237627  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  RSA771347  Pulicaria paludosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4530 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0081611  Pyrola aphylla F. W. Peirson 1924-7-27 4988 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  UC218157  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  CAS-BOT-BC516760  Quercus Jeremiah George 2012-8-7 70812 -5 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Pkwy, E of Potrero Blvd 747 Comment
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Jan 17 2018
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  RSA600566  Quercus agrifolia Louis C. Wheeler 1962-7-26 8181 Riverside Temescal Valley. Comment
  HSC34608  Quercus berberidifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 520 Riverside Cleveland National Forest, Hwy. 74 between San Juan Capistrano and Lake Elsinor near Upper San Juan Campground, Comment
  POM2107  Quercus berberidifolia Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mts. Comment
  UCD162842  Quercus berberidifolia D. O. Burge 2015-3-17 1692 Riverside Rainbow area. 410 Comment
  UCR51924  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  SD229172  Quercus chrysolepis Dick Schwenkmeyer 2012-8-7 789 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCD170551  Quercus chrysolepis D. O. Burge 2017-5-20 2279 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  UCSB60488  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Corner of El Encino and Avenue La Cumbre; 0.3 miles north from the junction of Carrizo Road and Hwy. 74. San Jacinto Mts. 1036 Comment
  SEINET13953305 Image available Quercus cornelius-mulleri J. C. Roos 1965-1 Riverside Pinyon Flats, Santa Rosa Mountains 1219 Comment
  RSA192168  Quercus engelmannii E. W. Lathrop 1965-4-4 5645 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC1135588  Quercus engelmannii R. St. John 1931-1-29 180 Riverside s of Murrieta; Elsinore Quad. 457 Comment
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Jan 26 2010
  RSA571664  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  SBBG58951  Quercus kelloggii M. Lewis 1947-8-26 21 Riverside Dark Cyn 1981 Comment
  SD232696  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Elder Crk. Rd. 0.3 mi. W of Bonny Lane, rural low density development, area partially cleared. 1264 Comment
  POM49856  Quercus wislizeni var. frutescens P. A. Munz, I. M. Johnston 1924-7-29 8872 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA653157  Rafinesquia californica Mitch Provance 1998-6-6 694 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  SD137855  Rafinesquia californica Darin L. Banks, Peter Morrell 1995-5-4 297 Riverside Agua Tibia Mountains Watershed, North slope of Agua Tibia Mountain, east of Dripping Springs Alcove Area along Woodchuck Trail 550 Comment
  UCR174365  Rafinesquia californica A. C. Sanders 2006-5-19 32410 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC362618  Rafinesquia neomexicana Ira L. Wiggins 1941-3-27 9688 Riverside 9 miles west of Desert Center Comment
  CAS-BOT-BC362631  Rafinesquia neomexicana F. O. Ballou 1926-3-27 s.n. Riverside Murray Canon [Canyon] Comment
  POM293698  Rafinesquia neomexicana Lyman Benson, Robert Benson 1952-4-8 14854 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area 610 Comment
  POM34179  Rafinesquia neomexicana Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. Comment
  RSA0118610  Rafinesquia neomexicana Jim M. Andre 2015-3-6 33568 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  RSA339664  Rafinesquia neomexicana R. F. Thorne, C. W. Tilforth 1980-5-28 54216 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA775598  Rafinesquia neomexicana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 797 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SD68942  Ranunculus californicus Robert F. Thorne, E. Lathrop, O. Clarke, S. Carlquist 1968-4-18 37427 Riverside Santa Rosa Plateau: in grasslands on Mesa de Colorado near large vernal marsh, Rancho California 671 Comment
  UC729895  Ranunculus eschscholtzii var. oxynotus Carl B. Wolf 1932-8-5 3975 Riverside San Jacinto Peak San Jacinto Mts. (summit) 3293 Comment
  UCR169393  Rhamnus californica subsp. ursina T. B. Salvato, John F. Green 2004-5-27 597 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
  UC1121808  Rhamnus crocea A. Lewis 1934-5-1 460 Riverside 0.5 mi ne El Casco; Elsinore Quad. 731 Comment
  RSA586043  Rhamnus ilicifolia D. L. Banks, S. D. Boyd 1995-3-16 96 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. 537 Comment
  UC18547  Rhamnus ilicifolia H. M. Hall 1901-6 2017 Riverside canyon of the San Jacinto River San Jacinto Mountains Comment
  UCR106345  Rhamnus tomentella John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA787602  Rhododendron occidentale C. H. Tingley 1927-1 741 Riverside San Jacinto Mountains. Comment
  UC456171  Rhododendron occidentale I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  UCR141251  Rhus laurina A. C. Sanders, Kelly Volansky 2004-10-6 28817 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCSB16178  Rhus ovata Ensign, Jusy 1963-5-4 Riverside Banning Idyllwild Road 7 mi. NE of the Idyllwild junction 914 Comment
  RSA495434  Rhus trilobata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2961 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  SEINET3080864 Image available Rhus trilobata A. C. Sanders, J. Goetzen 1996-5-1 18138 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 792 Comment
  UC1130568  Rhus trilobata J. B. Spring 1931-4-17 35 Riverside head of Dawson Canyon 457 Comment
  UCR90388  Ribes amarum D. L. Banks, Steve Boyd 1995-2-16 0049 Riverside Peninsular Range; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area: N slope of Agua Tibia Mtn, south of the Dripping Springs Alcove, east of the Woodchuck Trail 829 Comment
  UC79638  Ribes cereum A. W. Anthony 1895-7-7 Riverside San Jacinto Mountain 2743 Comment
  CLARK-A1528-4129  Ribes indecorum John C. Roos 1947-3-15 3341 Riverside San Jacinto Mountains Comment
  RSA98702  Ribes indecorum C. R. Quick 1939-12-19 s.n. Riverside Temecula. Comment
  OBI5780  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts, Hidden cyn, 5 mi W of Corona, Base of Skyline Dr Comment
  POM15061  Ribes malvaceum var. viridifolium Mary F. Spencer 1922-4-22 1887 Riverside Canyon Prope [near] Banning 701 Comment
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Mar 13 2011
  RSA0013156  Ribes malvaceum var. viridifolium LeRoy Gross, Duncan S. Bell 2013-4-30 6035 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  SBBG72070  Ribes montigenum J. Ewan 1930-9-1 Riverside Mount San Jacinto 3293 Comment
  SDSU5987  Ribes nevadense Gerald Collier 1951-5-27 M 221 Riverside At Hurkey Creek Campground 22 miles east of Hemet. San Jacinto Mountains. San Bernardino National Forest. Comment
  UCR16474  Ribes nevadense Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns, Humber Park Trail, about 3 mi from Taquitz Peak 2287 Comment
  RSA709708  Ribes quercetorum A. C. Sanders 2004-5-5 27766 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UCR91277  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC186238  Ribes roezlii var. roezlii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UCR230928  Ricinus communis T. B. Salvato, Richard Camacho 2011-6-12 5482 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR251302  Ricinus communis T. B. Salvato, Matthew Malle 2014-4-8 7827 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  JEPS51548  Romneya coulteri W. L. Jepson May 17 1901-Jun 1 1901 1571 Riverside Temescal Wash 335 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  RSA710933  Rondeletia amoena A. C. Sanders, T. B. Salvato, O. F. Clarke 1999-9-10 23071 Riverside new O.F. Clarke residence at 266 Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  CAS-BOT-BC147541  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR68863  Rubus ursinus Steve Boyd, T. S. Ross 1990-5-11 4665 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
  RSA800237  Rudbeckia hirta var. pulcherrima Justin M. Wood 2010-6-17 2048 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  CLARK-A1528-765  Rumex crispus Bruce Freeman 1968-5-22 680522-1 Riverside University of California 304 Comment
  RSA0088438  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA653322  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR194222  Rumex salicifolius Scott D. White, Angelia Carey 2004-6-4 10480 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  JEPS3048  Rumex salicifolius var. denticulatus Carl V. Meyer 1928-7-30 586 Riverside San Jacinto Mts., Saunder's Meadow Comment
  RSA586294  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-5-3 204 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC64584  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  UC850618  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1936-8-21 6601 Riverside Fuller Creek 1500 Comment
  UC489199  Sagina saginoides C. V. Meyer 1928-7-26 541 Riverside San Jacinto Mt., Deer Springs 2743 Comment
  UC8370  Sagina saginoides H. M. Hall June, 1901 2203 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  SDSU7073  Salazaria mexicana Gerald Collier 1951-5-27 M 440 Riverside Rocky slope 10 yards from roadside State Hwy 74, 4 miles east of Pinon Flats, San Jacinto Mtns. Comment
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Jan 30 2013
  UC851293  Salicornia subterminalis P. A. Munz and I. M. Johnston 1922-5-19 5413 Riverside Perris 441 Comment
  CAS-BOT-BC129746  Salix bonplandiana E. W. Lathrop 1959-4-17 4490 Riverside 14 miles east of Murrieta, Tenaja plateau, west slope of Rolondo Mesa. Comment
  RSA698839  Salix exigua J. R. Bruff 1927-11-26 31 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  UCR138728  Salix exigua Julie A. Greene 1993-4-3 1088 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  RSA92695  Salix exigua F. W. Peirson 1924-12-30 5410 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  UC847053  Salix exigua var. hindsiana I. M. Johnston 1918-5-26 1994 Riverside nw of Cornoa; Santa Ana R. 152 Comment
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Nov 20 2011
  CAS-BOT-BC108107  Salix gooddingii Henry Pelouze De Forest 1932-1-1 s.n. Riverside Santa Ana River bed and banks, near Riverside Comment
  HSC101317  Salix gooddingii A. C. Sanders, D. L. Sanders 2010-11-28 38697 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave 232 Comment
  POM2038  Salix gooddingii D. L. Crawford, I. M. Johnston 1917-6-9 1215 Riverside Santa Ana River near Corona. Comment
  SD233938  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  UCR17463  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-4-24 392 Riverside Santa Rosa Mtns, Deep Canyon, N slope of mountains 1317 Comment
  UC1135025  Salix lasiolepis A. Lewis 1934-2-1 4317 Riverside 2 1/2 mi ne Auburndale; Corona Quadrangle Comment
  CAS-BOT-BC128444  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-3-19 38 Riverside Banning Comment
  UCR35143B  Salsola australis L. B. Ziegler 1976-6-20 550 B Riverside San Jacinto Valley 473 Comment
  UCR60260  Salsola tragus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3667 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  RSA67079  Saltugilia splendens Verne Grant, Alva Grant 1951-4-7 15984 Riverside Below Morongo Valley on road to White Water 732 Comment
  JOTR16793  Saltugilia splendens subsp. splendens Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  CLARK-A1528-3104  Salvia apiana John C. Roos 1948-5-8 3823 Riverside Whitewater Comment
  SEINET4951402  Salvia apiana Unknown 1995-5-3 1406 Riverside S of Palm Desert along Hwy 74, 3km E of Pinyon Flats Campground Comment
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Jan 30 2019
  RSA736954  Salvia carduacea Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills: W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  HSC14331  Salvia columbariae C. L. Hitchcock, C. V. Muhlick 1964-3-22 23244 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  HSC78990  Salvia columbariae K. Berg 1981-5-1 357 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  RSA23267  Salvia columbariae Ernest Braunton 1940-03 2036 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA757621  Salvia columbariae LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4337 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET241493  Salvia columbariae A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23922 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditc 347 Comment
  UCD125516  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR172764  Salvia columbariae Abby Sirulnik, Ian G. Gillespie 2000-5-14 41 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR22032  Salvia columbariae Steve Boyd 1980-5-11 236 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
  UCR251346  Salvia columbariae S. J. Myers 2014-5-21 1069 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR279404  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-25 43018 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
  UC104485  Salvia eremostachya H. M. Hall 1902-4-12 2856 Riverside Coyote Canyon Western Borders of the Colorado Desert 914 Comment
  SEINET12343783  Salvia eremostachya P. H. Raven 1958-5-18 13000 Riverside Along State Highway 74, 4.9 mi NE of Pinon Flats, San Jacinto Mountains Comment
  RSA751926  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  SEINET272395  Salvia mellifera A. C. Sanders, G Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 549 Comment
  JOTR29144  Salvia mohavensis La Doux, Tasha 2005-6-15 1221 Riverside Joshua Tree National Park. Lost Horse Valley; south of Barker Dam trailhead 1310 Comment
  UCR26240  Salvia pachyphylla John C. Roos 1946-8-27 2914 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  CAS-BOT-BC233341  Salvia vaseyi E. K. Balls; P. C. Everett 1957-8-20 22669 Riverside 6.6 mi. SW along State Hwy. 74 from Palm Villate, jct. State Hwy. 111 502 Comment
  CLARK-A1528-3126  Salvia vaseyi John C. Roos 1948-5-8 3825 Riverside Whitewater Comment
  UCR140687  Sambucus mexicana Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 61 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  CAS-BOT-BC238850  Sambucus nigra subsp. caerulea A. M. Vollmer; L. Beane 1953-6-29 15 Riverside Below Idylwild [Idyllwild], San Jacinto Mountains Comment
  UCD127921  Sanicula arguta A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct. 381 Comment
  UCR132860  Sanicula arguta Kent Beaman 1983-4-24 25 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR138829  Sanicula bipinnatifida D. L. Banks 1997-3-29 1643 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego Co. line 482 Comment
  UCR48493  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  RSA583613  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UC1611579  Sanicula crassicaulis Steve Boyd, Tim Ross 1993-3-23 7904 Riverside s of Vail Lake (at n base of Agua Tibia Mountain, Palomar Range, Cleveland Nat'l Forest, Agua Tibia Wilderness Area, along trail extending s from end of Woodchuck Rd.); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Wilderness 609 Comment
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Aug 1 2006
  CLARK-A1528-289  Santolina chamaecyparissus Oscar F. Clarke 1973-5-29 OO 112 Riverside Riverside 274 Comment
  UCR8103  Sarcodes sanguinea B. Freeman 1969-6-12 690612- 01 Riverside San Jacinto Mtns, Univ of California James Reserve. Near Lake Fulmor, about halfway along road from Banning to Idyllwild. Trailfinders Camp 1646 Comment
  UCR176193  Schinus molle Amber Bruno 2005-6-7 50 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR77761  Schinus molle Steve Boyd 1991-9-8 6426 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UCR167239  Schismus arabicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  POM1404  Schoenoplectus maritimus I. M. Johnston 1918-5-30 2026 Riverside Lee Lake, Temescal Canyon. 335 Comment
  POM14365  Scirpus acutus var. occidentalis E. C. Jaeger 1921-7-15 1188 Riverside Massacre Canyon Comment
  RSA366024  Scirpus microcarpus M. B. Dunkle 1933-7-21 3723 Riverside Idyllwild 1616 Comment
  SEINET13276759 Image available Scirpus microcarpus Mitch Provance 2012-1 196 -01 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UC27617  Scrophularia californica Geo. R. Hall 1901-3-31 Riverside near Riverside Comment
  POM7654  Scrophularia californica subsp. floribunda H. M. Hall 1902-4-21 2936 Riverside Vicinity of Riverside, Gavilan hills. 457 Comment
  RSA543180  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6119 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  POM122461  Scutellaria siphocampyloides Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA160552  Scutellaria siphocampyloides John Olmsted 1959-6-23 660 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  UCR202587  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  CAS-BOT-BC69807  Selaginella bigelovii Ivan Johnston 1917-4-4 1044 Riverside Palm Canyon, Colorado Desert. 304 Comment
  RSA496465  Senecio aphanactis Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-31 3081 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  POM320363  Senecio flaccidus var. douglasii Patricia Wilder 1971-11-17 5347 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA792715  Senecio flaccidus var. douglasii A. C. Sanders, John F. Green 2012-6-1 40232 Riverside Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  SD136897  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mountains, San Mateo CAnyon Wilderness Area of the Cleveland National Forest. 359 Comment
  UC575074  Senecio flaccidus var. douglasii C. Epling, Wm. Robison 1933-6-24 Riverside near Banning; Little San Bernardino Mts., San Gorgonio Wash Comment
  UC35969  Senecio flaccidus var. douglasii H. M. Hall Aug 1899 Riverside Comment
  SBBG8768  Senecio mohavensis H. and M. Dearing 1942-3-10 4827 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR59862  Sesamum orientale J. M. Stewart 1989-11-20 639 Riverside Western Colorado Desert, Interstate Hwy 10, east of Indian Avenue, North Palm Springs Comment
  CAS-BOT-BC5827  Sibaropsis hammittii Steve Boyd; Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mountains, Elsinore Peak area south of Lake Elsinore, on Onion Hill, about 0.5 miles southeast of Elsinore 1011 Comment
  RSA0002001  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-3-31 6771 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  UC1979569  Sidalcea malviflora Darin L. Banks, Steve Boyd 1995-5-9 0405 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR16329  Sidalcea malviflora S. Riddell 1973-5-17 730517- 16 Riverside Santa Ana Mtns, Hwy 74, 1.5 mi west of El Cariso Fire Station 701 Comment
  UC489141  Sidalcea malviflora subsp. sparsifolia C. V. Meyer June 1927 197 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  UC63863  Sidalcea malviflora subsp. sparsifolia H. M. Hall 1897-4-18 468 Riverside Beaumont Beaumont (Southern California) Comment